CN110057519A - A kind of skew bridge loading test load vehicle positioning system and method - Google Patents

Abstract

The invention discloses a loading vehicle positioning system and method for a load test of an inclined bridge. The system includes a tape measure for measuring the length and width of the inclined bridge, a laser right-angle ground line meter for determining the perpendicular directions of two phases, and a measuring tape for determining the loading A ruler for the position of the vehicle, used for painting the position mark of the loaded vehicle, and a vehicle arrangement control device for controlling the arrangement position of the loaded vehicle; the method comprises the steps of: 1. Determine the position of the loaded vehicle in the reference row; 2. Determine The position of the loaded vehicle in the remaining row; 3. Install the vehicle arrangement control device according to the determined position of the loaded vehicle; 4. The determination and input of the axle load parameters of the loaded vehicle; 5. The positioning of the loaded vehicle in the reference row; . The invention uses the pressure value of the vehicle to locate the vehicles in the reference row, determines the position of each row of vehicles based on the reference row of vehicles, uses the row pressure and column straightness to locate the remaining row loading vehicles, and has strong practical operability.

Description

A system and method for loading vehicle positioning for load test of inclined bridge

technical field

The invention belongs to the technical field of inclined bridge load tests, and in particular relates to a loading vehicle positioning system and method for inclined bridge load tests.

Background technique

With the continuous development of the national economy and the continuous enhancement of comprehensive national strength, there has been a "civil engineering boom" in China, and road and bridge engineering has also achieved unprecedented development. The achievements of Chinese bridges in the second 20 years of the 20th century have attracted worldwide attention. For decades, China's bridge construction has been in the process of "learning, catching up, and tracking". "Large scale and fast speed" are the biggest characteristics, and the most effective and direct method for completion acceptance is bridge load test.

At present, the load test of highway bridges mainly determines the theoretical loading position of the loading vehicle according to the numerical analysis model, and then uses the tools such as meter ruler and ruler to delineate the loading position of the loading vehicle on the bridge deck, and finally completes the layout of the loading vehicle. With the increase of the number of bridges and the diversification of the forms, in the bridge inspection, the load test of the inclined bridge is often encountered. Due to the limitation of the slope of the inclined bridge, the width of the bridge deck and other factors, the actual loading vehicle position of the load test is difficult to park in place, and there is a deviation from the theoretical loading position of the vehicle, which affects the judgment of the safe bearing capacity of the bridge structure and the evaluation of the operation quality of the bridge. As a result of the evaluation, one of the existing methods for determining the position of the loaded vehicle adopts the method of determining the position coordinates of each load-bearing wheel. This method cannot effectively promote the driver to operate the loaded vehicle to reach the specific position, and it is too complicated to determine the position coordinates of each load-bearing wheel on site. , the practice effect is poor.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a loading vehicle positioning system for inclined bridge load test in view of the above-mentioned deficiencies in the prior art, the design of which is novel and reasonable. The positioning point of the vehicle, use the pressure value of the vehicle to locate the vehicle in the reference row, determine the position of each row of vehicles based on the vehicle in the reference row, and use the row direction pressure and column straightness to locate the remaining row loading vehicles, which is simple, convenient and practical. It is strong and can quickly determine the loading position of the loading vehicle, which is convenient for popularization and use.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a loading vehicle positioning system for a load test of an inclined bridge, which is characterized in that: it includes a tape measure for measuring the length and width of the inclined bridge, and is used to determine the A laser right-angle ground line meter, a ruler for determining the position of a loaded vehicle, a paint spraying for marking the position of a loaded vehicle, and a vehicle layout control device for controlling the layout position of the loaded vehicle; the vehicle layout control device includes a layout control device. The vertical column at the rear right of the arrangement position of the loading vehicle on the inclined axle and the pressure sensor group arranged on the designated position of the loading vehicle on the inclined axle, as well as the adjustment rearview mirror and the centering mechanism installed on the loading vehicle, The pressure sensor group includes a first pressure sensor for positioning one load-bearing wheel in the loading vehicle and a second pressure sensor for positioning the other load-bearing wheel in the loading vehicle, and the centering mechanism includes a front side of the positioning loading vehicle. The laser transmitter and the laser receiver installed on the rear side of the positioning and loading vehicle, the laser transmitter and the laser receiver are of equal height, and the connection line between the laser transmitter and the laser receiver coincides with the central axis in the length direction of the loading vehicle, the A first indicator light for prompting that the measurement data of the pressure sensor group is correct and a second indicator light for prompting that the centering mechanism is turned on are installed on the top of the vertical marking column. A touch screen is installed, a circuit board is arranged in the vertical marking column, and the circuit board is integrated with a microcontroller, a memory connected with the microcontroller, and a communication module for remote data transmission. The signal output end, the signal output end of the second pressure sensor and the signal output end of the laser receiver are all connected to the input end of the microcontroller, and the first indicator light, the second indicator light and the touch screen are all connected to the output end of the microcontroller connected;

The center-to-center distance between the first pressure sensor and the second pressure sensor is equal to the center-to-center distance of the two load-bearing wheels of the loaded vehicle.

The above-mentioned system for loading a vehicle positioning system for an inclined bridge load test is characterized in that: the microcontroller is an ARM microcontroller or a DSP microcontroller.

The above-mentioned loading vehicle positioning system for an inclined bridge load test is characterized in that: the communication module is a WIFI communication module or a GSM communication module.

The above-mentioned loading vehicle positioning system for an inclined bridge load test is characterized in that: the loading vehicle is a three-axle loading vehicle or a four-axle loading vehicle.

The above-mentioned loading vehicle positioning system for a load test of an inclined bridge is characterized in that: the adjustment rearview mirror is installed on the right front side of the loading vehicle, and the adjustment rearview mirror includes a chassis that cooperates with the front side plate of the loading vehicle, and is installed on the front side of the loading vehicle. The adjusting rod on the chassis and the rear-view mirror mounted on the top of the adjusting rod are hinged with the chassis, and the rear-view mirror is hinged with the adjusting rod.

At the same time, the invention also discloses a method for positioning the loading vehicle for the load test of the inclined bridge with simple method steps and reasonable design, which is characterized in that the method comprises the following steps:

Step 1: Determine the position of the reference row loading vehicle, and divide the loading method into partial loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is a loading vehicle, and partial-load loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is not a single loading vehicle. Loading vehicles, partial loading mode with even-numbered rows of loading vehicles and one loading vehicle per row, partial loading mode and even-numbered loading vehicles and each row of loading vehicles is not one loading vehicle, medium-load loading mode And there are odd-numbered rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle, medium-loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, medium-loading mode with even-numbered rows of loading vehicles and each There are eight situations in which the platoon-loading vehicle is an odd-numbered vehicle, a medium-loaded vehicle with an even-numbered row of vehicles, and each row of loaded vehicles is an even-numbered vehicle to determine the position of the reference row-loaded vehicle in each case. The specific process is as follows:

When the loading method is partial load, there are odd rows of loading vehicles and each row of loading vehicles is one loading vehicle, use a tape measure to measure the bridge span on both sides of the inclined bridge. One end of the tape measure is located at the midpoint of one side of the inclined bridge. The other end of the tape measure is located at the midpoint of the other side of the inclined bridge. The tape measure is in a straight state. The tape measure in the straightened state forms the center span of the inclined bridge. A laser of the laser right-angle ground line meter is always coincident with the curb, and along the line. The inclined direction of the inclined bridge moves the laser right-angle ground line meter along the curb. Another laser of the laser right-angle ground line meter intersects with the tape measure at the vehicle auxiliary point. Use the ruler to measure the distance between the laser right angle ground line meter and the vehicle auxiliary point. β ₁ , when Stop moving the laser right-angle ground line meter, and along the other laser direction of the laser right-angle ground line meter, take the vehicle auxiliary point as the starting point, and use a ruler to measure the first confirmation point and the second confirmation point on the left and right sides of the vehicle auxiliary point respectively. point, the distances between the first confirmation point and the second confirmation point and the vehicle auxiliary point are both The first confirmation point and the second confirmation point are marked by painting, and the first confirmation point and the second confirmation point are the contact points between the two load-bearing wheels of the loading vehicle and the inclined bridge. The confirmation point and the second confirmation point determine the position of the loaded vehicle in the reference row, where D is the width of the loaded vehicle, C is the distance between the loaded vehicle and the curb, A is the center distance between the two load-bearing wheels of the loaded vehicle, A, C The units of , D and β ₁ are all m;

When the loading method is partial load, there are odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle, take the i-1th loading vehicle whose position is determined as the benchmark, and use a ruler to load the i-1th vehicle. The vehicle auxiliary point is the starting point and the vehicle auxiliary point of the i-th loaded vehicle is measured along the center span line of the inclined bridge to make the distance between the two adjacent vehicle auxiliary points. In the direction perpendicular to the straight line where the curb is located, take the vehicle auxiliary point of the i-th loading vehicle as the starting point, and use a ruler to measure the 2i-1 confirmation point and the 2i-1 confirmation point on the left and right sides of the vehicle auxiliary point of the i-th loading vehicle. 2i confirmation point, the distances between the 2i-1st confirmation point and the 2ith confirmation point and the vehicle assistance point of the i-th loading vehicle are both The 2i-1 confirmation point and the 2i confirmation point are marked with spray paint, and the 2i-1 confirmation point and the 2i confirmation point are the two load-bearing wheels and the inclined bridge of the i-th loading vehicle The contact point of the reference row is determined by 2i confirmation points, where β ₂ =D+B, B is the specified distance between two adjacent loading vehicles, α is the inclination of the inclined bridge, and i is the The number of the loaded vehicle and i≥2, D is the width of the loaded vehicle, A is the center distance between the two load-bearing wheels of the loaded vehicle, and the units of A, B, D and β2 are all m. When i= ₂ , the first The positioning process of the i-1 loading vehicle whose position is determined is consistent with the positioning process of the eccentric loading method with odd rows of loading vehicles and each row of loading vehicles is a loading vehicle;

When the loading method is partial load, there are even rows of loading vehicles and each row of loading vehicles is one loading vehicle, use a tape measure to measure the bridge span on both sides of the inclined bridge. One end of the tape measure is located at the midpoint of one side of the inclined bridge. The other end of the tape measure is located at the midpoint of the other side of the inclined bridge. The tape measure is in a straight state. The tape measure in the straightened state forms the center span of the inclined bridge. A laser of the laser right-angle ground line meter is always coincident with the curb, and along the line. The inclined direction of the inclined bridge moves the laser right-angle ground line meter along the curb. Another laser of the laser right-angle ground line meter and the tape measure intersect at the first vehicle reference point. Use the ruler to measure the laser right angle ground line meter and the first vehicle reference point. The distance between β ₁ , when stop moving the laser right-angle ground line meter, take the first vehicle reference point as the starting point along the other laser direction of the laser right-angle ground line meter, and use a ruler to measure the second vehicle reference point on the left and right sides of the first vehicle reference point respectively. point and the third vehicle reference point, the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point are both Use spray paint to mark the second vehicle reference point and the third vehicle reference point, move the laser right-angle ground line instrument to the position of the second vehicle reference point along its other laser direction, and use a ruler to mark the laser right-angle ground line Measure the set length on one laser of the instrument to obtain the first confirmation point, move the laser right-angle ground line instrument to the position of the third vehicle reference point along its other laser direction, and use a ruler to measure a laser of the laser right-angle ground line instrument. Measure the set length and obtain the second confirmation point. The first confirmation point and the second confirmation point are the contact points between the two load-bearing wheels of the loading vehicle and the inclined bridge. Through the first confirmation point and the second confirmation point The point determines the position of the loaded vehicle in the reference row, where D is the width of the loaded vehicle, C is the distance between the loaded vehicle and the curb, A is the center distance between the two load-bearing wheels of the loaded vehicle, and the values of A, C, D and β ₁ The unit is m;

When the loading method is partial load, there are even rows of loading vehicles and each row of loading vehicles is not one loading vehicle, take the i-1th loading vehicle whose position is determined as the benchmark, and use a ruler to load the i-1th vehicle. The first vehicle reference point is the starting point and the first vehicle reference point of the i-th loaded vehicle is measured along the center span of the inclined bridge, so that the distance between the two adjacent first vehicle reference points is In the direction perpendicular to the straight line where the curb stone is located, take the first vehicle reference point of the i-th loading vehicle as the starting point, and use a ruler to measure the i-th loading vehicle on the left and right sides of the first vehicle reference point of the i-th loading vehicle. The second vehicle reference point and the third vehicle reference point of the vehicle, the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point of the i-th loaded vehicle are both Use spray paint to mark the second vehicle reference point and the third vehicle reference point, place the laser right-angle ground line instrument at the position of the second vehicle reference point of the i-th loading vehicle, and a laser of the laser right-angle ground line instrument passes through The second vehicle reference point and the third vehicle reference point of the i-th loading vehicle, and the other laser of the laser right-angle ground plane is facing the first and second confirmation point sides of the i-1th loading vehicle, using a ruler Measure the set length on the other laser of the laser right-angle ground line meter to obtain the 2i-1 confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the position of the third vehicle reference point of the i-th loading vehicle , use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the 2i confirmation point. The 2i-1 confirmation point and the 2i confirmation point are the two points of the i-th loading vehicle. The contact points between the load-bearing wheels and the inclined bridge are determined by 2i confirmation points to determine the position of the loaded vehicle in the reference row, where β ₂ =D+B, B is the specified distance between two adjacent loaded vehicles, and α is the inclined bridge , i is the number of the loaded vehicle and i≥2, D is the width of the loaded vehicle, A is the center distance between the two load-bearing wheels of the loaded vehicle, and the units of A, B, D and β ₂ are all m, when When i=2, the positioning process of the i-1st loading vehicle whose position has been determined is consistent with the eccentric loading method with an even row of loading vehicles and each row of loading vehicles is a loading vehicle;

When the loading method is medium load, there are odd rows of loading vehicles and each row of loading vehicles is an odd number of loading vehicles, if each row of loading vehicles is a loading vehicle, use a tape measure to measure the bridge span on both sides of the inclined bridge. One end is located at the midpoint of one side of the inclined bridge, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge. The tape measure is in a straightened state. The straightened tape measures form the center span line of the inclined bridge. Find the inclined bridge on the tape measure. At the midpoint of the center span line, one laser of the laser right-angle ground line instrument is always coincident with the curb, and the laser right-angle ground line instrument is moved, and the other laser of the laser right-angle ground line instrument intersects the tape measure at the midpoint of the center span line of the inclined bridge. , take the midpoint of the center span line of the inclined bridge as the starting point, and use a straightedge to measure the first confirmation point and the second confirmation point on the left and right sides of the midpoint of the center span line of the inclined bridge, respectively. The distance between the second confirmation point and the vehicle auxiliary point is both The first confirmation point and the second confirmation point are both located on another laser of the laser right-angle ground line meter, and the first confirmation point and the second confirmation point are marked with spray paint. The point and the second confirmation point are the contact points between the two load-bearing wheels of the loading vehicle at the center position and the inclined bridge, and the position of the reference row of the loading vehicle is determined through the first confirmation point and the second confirmation point;

If each row of loading vehicles is not one loading vehicle, take the loading vehicle at the central position as the benchmark, determine the positions of the loading vehicles on both sides of the loading vehicle at the central position, and the number of loading vehicles on both sides of the loading vehicle at the central position is equal and positioned. The method is the same, the midpoint of the center span line of the skew bridge is regarded as the vehicle auxiliary point of the first loading vehicle, and the position determination process of the loading vehicle on either side of the loading vehicle at the central position is the same as the partial loading method and has an odd row of loading vehicles and The process of loading vehicles in each row is the same;

When the loading mode is medium load, there are odd-numbered rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, and if there are two loading vehicles in each row, use a tape measure to measure the bridge span on both sides of the inclined bridge. One end is located at the midpoint of one side of the inclined bridge, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge. The tape measure is in a straightened state. The straightened tape measures form the center span line of the inclined bridge. Find the inclined bridge on the tape measure. The midpoint of the center span line is based on the midpoint of the center span line of the skew bridge, and the position of the loaded vehicle is determined on both sides of the midpoint of the center span line of the skew bridge. The process of determining the position of the loaded vehicle on either side of the midpoint of the center span of the inclined bridge is the same as the number of the Take the vehicle auxiliary point of the first loading vehicle to make the distance between the vehicle auxiliary point of the first loading vehicle and the midpoint of the center span of the skew bridge In the direction perpendicular to the straight line where the curb is located, take the vehicle auxiliary point of the first loading vehicle as the starting point, and use a ruler to measure the first confirmation point and the second confirmation point on the left and right sides of the vehicle auxiliary point of the first loading vehicle. point, where, D is the width of the loading vehicle, B is the specified distance between two adjacent loading vehicles, α is the inclination of the inclined bridge, and the position of the loading vehicle in the reference row is determined by 4 confirmation points;

If there are more than two loading vehicles in each row, take the first loading vehicle as the starting point, and determine the position of the loading vehicle in the direction away from the midpoint of the center span of the skew bridge. The process of determining the position of the loaded vehicle is consistent with the process of the eccentric loading method with odd rows of loaded vehicles and each row of loaded vehicles is not one loaded vehicle;

When the loading mode is medium load, there are even rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle, if each row of loading vehicles is a loading vehicle, let the loading vehicle be the first loading vehicle, and use a tape measure to measure For the bridge span on both sides of the inclined bridge, one end of the tape measure is located at the midpoint of one side of the inclined bridge, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge. The center span line of the inclined bridge, find the midpoint of the center span line of the inclined bridge on the tape measure, regard the midpoint of the center span line of the inclined bridge as the first vehicle reference point of the loaded vehicle, take the first vehicle reference point as the starting point, and use the straight The ruler measures the second vehicle reference point and the third vehicle reference point on the left and right sides of the first vehicle reference point, respectively, and the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point both Place the laser right-angle ground line at the position of the second vehicle reference point, the third vehicle reference point is located on a laser of the laser right-angle ground line instrument perpendicular to the curb, and spray paint on the second vehicle reference point and the third vehicle reference point. Mark the three vehicle reference points, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the first confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the third vehicle reference point At the position, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the second confirmation point. The first confirmation point and the second confirmation point are the two load-bearing wheels of the loading vehicle. The contact point with the inclined bridge is determined by the first confirmation point and the second confirmation point to determine the position of the loaded vehicle in the reference row, wherein A is the center distance between the two load-bearing wheels of the loaded vehicle and its unit is m;

If each row of loading vehicles is not one loading vehicle, take the first loading vehicle as the starting point, and determine the position of the loading vehicle in the direction away from the midpoint of the center span of the skew bridge. The position determination process is consistent with the process of partial load loading with even rows of loading vehicles and each row of loading vehicles is not one loading vehicle;

When the loading mode is medium load, there are even rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, and if there are two loading vehicles in each row, use a tape measure to measure the bridge span on both sides of the inclined bridge. One end is located at the midpoint of one side of the inclined bridge, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge. The tape measure is in a straightened state. The straightened tape measures form the center span line of the inclined bridge. Find the inclined bridge on the tape measure. The midpoint of the center span line is based on the midpoint of the center span line of the skew bridge, and the position of the loaded vehicle is determined on both sides of the midpoint of the center span line of the skew bridge. The process of determining the position of the loaded vehicle on either side of the midpoint of the center span of the inclined bridge is the same as the number of the Take the first vehicle reference point of the first loading vehicle to make the distance between the first vehicle reference point of the first loading vehicle and the midpoint of the center span line of the skew bridge Take the first vehicle reference point of the first loading vehicle as the starting point along the direction perpendicular to the straight line where the curb is located, and use a ruler to measure the second vehicle reference point on the left and right sides of the first vehicle reference point of the first loading vehicle. point and the third vehicle reference point, the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point are both Place the laser right-angle ground line at the position of the second vehicle reference point, the third vehicle reference point is located on a laser of the laser right-angle ground line instrument perpendicular to the curb, and spray paint on the second vehicle reference point and the third vehicle reference point. Mark the three vehicle reference points, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the first confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the third vehicle reference point At the position, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the second confirmation point. The first confirmation point and the second confirmation point are the two parts of the first loading vehicle. The contact points of the load-bearing wheels and the inclined bridge are used to determine the position of the loading vehicle in the reference row through four confirmation points, where A is the center distance between the two load-bearing wheels of the loaded vehicle and its unit is m, D is the width of the loading vehicle, B is the specified distance between two adjacent loading vehicles, and α is the inclination of the inclined bridge;

If there are more than two loading vehicles in each row, take the first loading vehicle as the starting point, and determine the position of the loading vehicle in the direction away from the midpoint of the center span of the skew bridge. The process of determining the position of the loading vehicle is consistent with the process of the partial loading method with even rows of loading vehicles and each row of loading vehicles is not one loading vehicle;

Step 2. Determine the positions of the remaining rows of loaded vehicles: Use a stretched tape measure to pass through each confirmation point determined in step 1. The stretched tape measure is parallel to the straight line where the curb is located. Determine the confirmation points corresponding to the positions of the remaining rows of loaded vehicles in the length direction of the tape measure, so as to realize the determination of the positions of the remaining rows of loaded vehicles;

Step 3. Install the vehicle layout control device according to the determined loading vehicle position: install a pressure sensor at each confirmation point, set a vertical pole at the right rear of the layout position of each loading vehicle, Install an adjustable rearview mirror on the right front side, install a laser transmitter on the front side of each loading vehicle, and install a laser receiver on the rear side, and connect the laser transmitter and laser receiver on each loading vehicle to the loading vehicle. The central axis in the length direction is coincident, and the laser receiver installed on each loading vehicle and the pressure sensor installed at the corresponding loading vehicle position are connected with the microcontroller in the corresponding vertical marking column;

Step 4. Determination and input of the axle load parameters of the loaded vehicle: The value of the gravity G of the loaded vehicle is set in the memory in each vehicle arrangement control device, and the pressure value of the left load-bearing wheel of the loaded vehicle and the right load-bearing wheel of the loaded vehicle are respectively set. pressure value and The threshold Δ of the difference;

Step 5. Positioning of the loading vehicle in the reference row: Position the corresponding loading vehicle through each vehicle arrangement control device at the position of the loading vehicle in the reference row, and the positioning method of each loading vehicle at the loading vehicle position in the reference row is the same; The positioning process of any loading vehicle at the loading vehicle position of the reference row is as follows: according to adjusting the rearview mirror, drive the load-bearing wheel of the loading vehicle to the two pressure sensors at the specified position, and respectively adjust the pressure of the left and right load-bearing wheels of the loading vehicle. After testing, the microcontroller analyzes and processes the received pressure signal, obtains the pressure value F _left of the left load-bearing wheel of the loaded vehicle and the pressure value F of the _right load-bearing wheel of the loaded vehicle, and controls the touch screen to display; Compare the pressure value F of the left load-bearing wheel of the loaded vehicle with the pressure value F of the _left and _right load-bearing wheels, respectively, with compare when and , the microcontroller controls the first indicator light to display green, indicating that the loading vehicle is parked in place; when or , the microcontroller controls the first indicator light to display red, indicating that the loading vehicle is not parked in place;

Step 6. Positioning of the loading vehicles in the remaining rows: When the loading vehicles are not in one row in the load test of the inclined bridge, the front or rear sides of the loading vehicles in the front row of the parked row shall be positioned as the benchmark. The next adjacent row is loaded with vehicles, and the number of loaded vehicles in the next adjacent row of loaded vehicles is equal to the number of loaded vehicles in the previous row of loaded vehicles and has a one-to-one correspondence. The vehicle arrangement control device locates the corresponding loading vehicle, and the positioning method of each loading vehicle at the position of the loading vehicle in the next adjacent row is the same; the positioning process for any loading vehicle at the position of the loading vehicle in the next adjacent row for:

When the loading vehicle in the next adjacent row is located on the front side of the loading vehicle in the preceding row, the current loading vehicle is positioned from the front side of the loading vehicle in the preceding row with the corresponding loading vehicle in the loading vehicle in the preceding row by reversing. The laser receiver at the rear of the loading vehicle receives the laser signal of the corresponding laser transmitter on the front side of the loading vehicle in the front row of the loading vehicle in real time. When the microcontroller controls the second indicator light to display green, it indicates the laser signals of the two vehicles. The docking is successful, and the current positioning process of the load-bearing wheel and the pressure sensor of the loading vehicle is consistent with the positioning of the reference row loading vehicle in step 5;

When the loading vehicle in the next adjacent row is located on the rear side of the loading vehicle in the previous row, the current loading vehicle drives to the rear side of the loading vehicle in the previous row to locate the corresponding loading vehicle in the loading vehicle in the preceding row. The laser transmitter at the front of the loading vehicle receives the laser signal of the laser receiver at the rear of the corresponding loading vehicle in the preceding row of loading vehicles in real time, and the corresponding microcontroller of the loading vehicle in the current row of loading vehicles controls the second indication connected to it. The light shows green, indicating that the laser signals of the two vehicles are successfully connected. The current positioning process of the load-bearing wheel and the pressure sensor of the loading vehicle is consistent with the positioning of the reference row loading vehicle in step 5.

The above method is characterized in that: the loading vehicle is a three-axle loading vehicle, and the load-bearing wheel of the loading vehicle is a second axle wheel of the three-axle loading vehicle.

The above method is characterized in that: the value of G is 30t to 45t, and the value of Δ is 0 to 1t.

Compared with the prior art, the present invention has the following advantages:

1. The system adopted in the present invention uses the cooperation of tape measure, laser right-angle ground line meter, ruler and spray paint to find the positioning point of the vehicle. The laser right-angle ground line meter emits two mutually perpendicular lasers, which can avoid searching for vertical lines in actual operation. The edge process is practical, convenient, efficient, and easy to popularize and use.

2. The system adopted in the present invention is equipped with a vehicle arrangement control device for each vehicle arrangement position, and each vehicle arrangement control device corresponds to a vertical marking column, and the vertical marking column is responsible for placing the circuit board in order to align the pressure sensor group and the centering mechanism. It has the functions of control and data processing, and at the same time, the vertical pole can provide the driver with a parking reference, which is convenient for the driver to park quickly and accurately. It is reliable and stable, and the use effect is good.

3. In the system adopted by the present invention, the position of the vehicle is located through the pressure sensor group. When the loading vehicle positioning system needs to locate the multi-row vehicles, the signal from the centering mechanism is used to connect to quickly find the center axis of the loaded vehicle. The pressure and column straightness can locate the remaining row loading vehicles, and the actual operability is strong.

4. The method adopted in the present invention has simple steps. By analyzing the loading method, vehicle arrangement and the odd-even loading method of each row and each row of vehicles, there are odd rows of loading vehicles and each row of loading vehicles is a loading vehicle, partial loading Loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is not one loading vehicle, partial loading mode with even-numbered rows of loading vehicles and one loading vehicle per row, partial loading mode and even-numbered rows of loading vehicles Vehicles and each row of loaded vehicles is not one loaded vehicle, medium-loaded with odd-numbered rows of loaded vehicles and each row of loaded vehicles with odd-numbered loaded vehicles, medium-loaded with odd-numbered rows of loaded vehicles, and an even number of loaded vehicles in each row Determined in eight cases: vehicle loading, medium loading mode with even-numbered rows of loading vehicles, and odd-numbered loading vehicles in each row, medium-loading mode with even-numbered loading vehicles, and each row of loading vehicles is an even-numbered loading vehicle. In each case, the position of the loaded vehicle in the reference row is comprehensive; after the position of the loaded vehicle in the reference row is determined, the remaining rows of loaded vehicles are positioned by row pressure and column straightness, which is simple and effective, and is easy to popularize and use.

To sum up, the design of the present invention is novel and reasonable. The positioning point of the vehicle is found through the cooperation of the tape measure, the laser right-angle ground line meter, the ruler and the spray paint, the vehicle in the reference row is positioned by the pressure value of the vehicle, and the vehicle in the reference row is used as the benchmark. The position of each column of vehicles, using the row pressure and column straightness to locate the remaining row of loading vehicles, is simple, convenient, practical, and can quickly determine the loading position of the loading vehicle, which is convenient for popularization and use.

The technical solutions of the present invention will be further described in detail below through the accompanying drawings and embodiments.

Description of drawings

FIG. 1 is a schematic diagram of the positional arrangement relationship of the inclined bridge, the loading vehicle and the vehicle arrangement control device according to the present invention.

FIG. 2 is a schematic structural diagram of adjusting the rearview mirror according to the present invention.

FIG. 3 is a circuit principle block diagram of the system adopted by the present invention.

FIG. 4 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning of the present invention in an eccentric loading method, with an odd row of loading vehicles, and each row of loading vehicles is one loading vehicle.

FIG. 5 is a schematic diagram of the positional arrangement relationship of the vehicles in the loading vehicle positioning of the present invention in the eccentric loading mode, with odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle.

6 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning method of the present invention in an eccentric loading method, with even rows of loading vehicles, and each row of loading vehicles is one loading vehicle.

FIG. 7 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning method of the present invention with an even-numbered row of loading vehicles, and each row of loading vehicles is not one loading vehicle.

8 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning of the present invention in a medium-load loading mode with odd rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle.

9 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning of the present invention in a medium-load loading mode, with odd rows of loading vehicles, and each row of loading vehicles is an even-numbered loading vehicle.

10 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning of the present invention in a medium-load loading mode, with even rows of loading vehicles, and each row of loading vehicles is an odd-numbered loading vehicle.

11 is a schematic diagram of the positional arrangement relationship of vehicles in the loading vehicle positioning of the present invention in a medium-load loading mode, with even rows of loading vehicles, and each row of loading vehicles is an even-numbered loading vehicle.

FIG. 12 is a flow chart of the method of the present invention.

Explanation of reference numbers:

1—slanted bridge; 2—center span of the inclined bridge; 3—loaded vehicle;

4—Adjusting the rearview mirror; 4-1—Chassis; 4-2—Adjusting rod;

4-3—rearview mirror; 5—vertical column; 6—laser transmitter;

7—laser receiver; 8—first pressure sensor; 9—second pressure sensor;

10—first indicator light; 11—second indicator light; 12—touch screen;

13—microcontroller; 14—memory; 15—communication module.

Detailed ways

As shown in Fig. 1 to Fig. 3 , a loading vehicle positioning system for a load test of an inclined bridge according to the present invention includes a tape measure for measuring the length and width of the inclined bridge 1, and for determining the laser right-angle ground in two perpendicular directions. Line meter, a ruler for determining the position of the loading vehicle 3, for painting the position mark of the loading vehicle 3, and a vehicle arrangement control device for controlling the arrangement position of the loading vehicle 3; the vehicle arrangement control device includes a layout The vertical column 5 at the rear right of the arrangement position of the loading vehicle 3 on the inclined axle 1 and the pressure sensor group arranged on the designated position of the loading vehicle 3 on the inclined axle 1, and the rear view adjustment installed on the loading vehicle 3 Mirror 4 and centering mechanism, the pressure sensor group includes a first pressure sensor 8 for positioning one load-bearing wheel in the loading vehicle 3 and a second pressure sensor 9 for positioning the other load-bearing wheel in the loading vehicle 3, the The centering mechanism includes a laser transmitter 6 installed on the front side of the positioning and loading vehicle 3 and a laser receiver 7 installed on the rear side of the positioning and loading vehicle 3. The laser transmitter 6 and the laser receiver 7 are of equal height, and the laser transmitter 6 and the laser The connection line of the receiver 7 coincides with the central axis in the length direction of the loading vehicle 3, and the top of the vertical marking column 5 is installed with a first indicator light 10 for prompting that the measured data of the pressure sensor group is correct, and a first indicator light 10 for prompting the correct measurement data. The second indicator light 11 turned on by the centering mechanism, a touch screen 12 is installed on the side wall of the vertical marking column 5, a circuit board is arranged in the vertical marking column 5, and a micro-chip is integrated on the circuit board. The controller 13 and the memory 14 both connected to the microcontroller 13 and the communication module 15 for remote data transmission, the signal output of the first pressure sensor 8 , the signal output of the second pressure sensor 9 and the laser receiver 7 . The signal output terminals are all connected to the input terminal of the microcontroller 13 , and the first indicator light 10 , the second indicator light 11 and the touch screen 12 are all connected to the output terminal of the microcontroller 13 ;

The center-to-center distance of the first pressure sensor 8 and the second pressure sensor 9 is equal to the center-to-center distance of the two load-bearing wheels of the loading vehicle 3 .

It should be noted that the positioning point of the vehicle is found by the cooperation of the tape measure, the laser right-angle ground line meter, the ruler and the spray paint. The laser right-angle ground line meter emits two mutually perpendicular lasers, which can avoid the process of finding the vertical side in actual operation. , practical, convenient and efficient; by equipping each vehicle layout position with a vehicle layout control device, each vehicle layout control device corresponds to a vertical pole, and the vertical pole is responsible for placing the circuit board for the purpose of aligning the pressure sensor group and centering The mechanism performs the functions of control and data processing. At the same time, the vertical pole can provide the driver with parking reference, which is convenient for the driver to park quickly and accurately, which is reliable and stable; the vehicle position is located through the pressure sensor group. During positioning, the signal from the centering mechanism is used to quickly find the central axis of the loading vehicle, and the remaining rows of loading vehicles are positioned using the row pressure and column straightness, which has strong practical operability.

In actual use, the first indicator light 10 is used to prompt whether the measurement data of the pressure sensor group is correct, and the second indicator light 11 is used to prompt whether the centering mechanism is turned on, which is double guarantee and low investment cost.

In this embodiment, the microcontroller 13 is an ARM microcontroller or a DSP microcontroller.

In this embodiment, the communication module 15 is a WIFI communication module or a GSM communication module.

In actual use, the communication module 15 adopts a WIFI communication module or a GSM communication module for remote wireless communication, avoiding on-site wiring, and being flexible and reliable.

In this embodiment, the loading vehicle 3 is a three-axle loading vehicle or a four-axle loading vehicle.

In this embodiment, the adjusting rearview mirror 4 is installed on the right front side of the loading vehicle 3 , and the adjusting rearview mirror 4 includes a chassis 4 - 1 that cooperates with the front side panel of the loading vehicle 3 , and is installed on the chassis 4 - 1 The adjusting rod 4-2 and the rear-view mirror 4-3 installed on the top of the adjusting rod 4-2 are hinged with the chassis 4-1, and the rear-view mirror 4-3 is hinged with the adjusting rod 4-2.

In actual use, the chassis 4-1 is provided with a magnet or an air suction cup at the bottom. When the chassis 4-1 is provided with a magnet, it is in a magnet adsorption type matching relationship with the front side plate of the loading vehicle 3. When the bottom of the chassis 4-1 is provided with an air suction cup The suction cup and the front side plate of the loading vehicle 3 adopt a non-destructive vacuum fit relationship, and both fit relationships can satisfy firmness and facilitate disassembly and installation.

As shown in Figure 12, a method for positioning a vehicle loaded in a load test of an inclined bridge is characterized in that, the method includes the following steps:

Step 1: Determine the position of the reference row loading vehicle, and divide the loading method into partial loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is a loading vehicle, and partial-load loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is not a single loading vehicle. Loading vehicles, partial loading mode with even-numbered rows of loading vehicles and one loading vehicle per row, partial loading mode and even-numbered loading vehicles and each row of loading vehicles is not one loading vehicle, medium-load loading mode And there are odd-numbered rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle, medium-loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, medium-loading mode with even-numbered rows of loading vehicles and each There are eight situations in which the platoon-loading vehicle is an odd-numbered vehicle, a medium-loaded vehicle with an even-numbered row of vehicles, and each row of loaded vehicles is an even-numbered vehicle to determine the position of the reference row-loaded vehicle in each case. The specific process is as follows:

When the loading method is partial loading, there are odd rows of loading vehicles and each row of loading vehicles is one loading vehicle, in this embodiment, as shown in Figure 4, taking three rows of loading vehicles as an example, a tape measure is used to measure the inclined bridge 1 For the bridge span on both sides, one end of the tape measure is located at the midpoint a of one side of the inclined bridge 1, and the other end of the tape measure is located at the midpoint b of the other side of the inclined bridge 1. The tape measure is in a straight state, and the tape measure in the straightened state Form the center span line 2 of the inclined bridge, make one laser of the laser right-angle ground line always coincide with the curb, and move the laser right-angle ground line along the curb along the inclined direction of the inclined bridge 1, and the other laser right-angle ground line meter The laser and the tape measure intersect at the vehicle auxiliary point c. Use a ruler to measure the distance β ₁ between the laser right-angle ground line meter and the vehicle auxiliary point c. When Stop moving the laser right-angle ground line meter, and along the other laser direction of the laser right-angle ground line meter, take the vehicle auxiliary point c as the starting point, and use a ruler to measure the first confirmation point d and the left and right sides of the vehicle auxiliary point c respectively. The second confirmation point e, the distances between the first confirmation point d and the second confirmation point e and the vehicle auxiliary point c are both The first confirmation point d and the second confirmation point e are marked by painting, and the first confirmation point d and the second confirmation point e are the distance between the two load-bearing wheels of the loading vehicle 3 and the inclined bridge 1 . Contact point, through the first confirmation point d and the second confirmation point e to determine the position of the loading vehicle in the reference row, where D is the width of the loading vehicle 3, C is the distance between the loading vehicle 3 and the curb, and A is the The center distance of the two load-bearing wheels of the loading vehicle 3, the units of A, C, D and β ₁ are all m;

When the loading method is partial loading, there are odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle, in this embodiment, as shown in FIG. 5 , three rows of loading vehicles are used, and each row of loading vehicles is two loading vehicles For example, i=2, take the loading vehicle 3 whose position is determined for the first vehicle as the benchmark, use a ruler to measure the second vehicle along the center span line 2 of the inclined bridge with the vehicle auxiliary point c of the first loading vehicle 3 as the starting point Load the vehicle auxiliary point c' of vehicle 3 to make the distance between two adjacent vehicle auxiliary points In the direction perpendicular to the straight line where the curb stone is located, take the vehicle auxiliary point c' of the second loading vehicle 3 as the starting point, and use a ruler to measure the left and right sides of the vehicle auxiliary point c' of the second loading vehicle 3 to measure the The distances between the confirmation point d' and the fourth confirmation point e', the third confirmation point d' and the fourth confirmation point e' and the vehicle auxiliary point c' of the second loading vehicle 3 are both Use spray paint to mark the third confirmation point d' and the fourth confirmation point e', the third confirmation point d' and the fourth confirmation point e' are the contact between the two load-bearing wheels of the second loading vehicle 3 and the inclined bridge 1 point, determine the position of the reference row loading vehicle through four confirmation points, wherein, β ₂ =D+B, B is the specified distance between two adjacent loading vehicles 3 , α is the inclination of the inclined bridge 1 , i is the The number of the loading vehicle 3 and i≥2, D is the width of the loading vehicle 3, A is the center distance between the two load-bearing wheels of the loading vehicle 3, and the units of A, B, D and β ₂ are all m, when i=2 When , the positioning process of the first loading vehicle 3 whose position is determined is consistent with the positioning process of the partial loading mode with odd rows of loading vehicles and each row of loading vehicles is a loading vehicle;

When the loading method is partial load, there are even rows of loading vehicles and each row of loading vehicles is one loading vehicle, in this embodiment, as shown in Figure 6, taking two rows of loading vehicles as an example, the inclined bridge 1 is measured with a tape measure For the bridge span on both sides, one end of the tape measure is located at the midpoint a of one side of the inclined bridge 1, and the other end of the tape measure is located at the midpoint b of the other side of the inclined bridge 1. The tape measure is in a straight state, and the tape measure in the straightened state Form the center span line 2 of the inclined bridge, make one laser of the laser right-angle ground line always coincide with the curb, and move the laser right-angle ground line along the curb along the inclined direction of the inclined bridge 1, and the other laser right-angle ground line meter The laser and the tape measure intersect at the first vehicle reference point C', and a ruler is used to measure the distance β ₁ between the laser right-angle ground plane and the first vehicle reference point C', when , stop moving the laser right-angle ground line meter, along the other laser direction of the laser right-angle ground line meter, take the first vehicle reference point C' as the starting point, and use a ruler to measure the left and right sides of the first vehicle reference point C' respectively. The second vehicle reference point D' and the third vehicle reference point E', the distances between the second vehicle reference point D' and the third vehicle reference point E' and the first vehicle reference point C' are both Use spray paint to mark the second vehicle reference point D' and the third vehicle reference point E', and move the laser right-angle ground plane along its other laser direction to the position of the second vehicle reference point D'. Measure the set length on a laser of the ground line meter, and obtain the first confirmation point d. The laser right-angle ground line meter moves along the direction of the other laser to the position of the third vehicle reference point E', and uses a ruler to locate the laser at a right angle. Measure the set length on a laser of the line meter, and obtain the second confirmation point e. The first confirmation point d and the second confirmation point e are the contact points between the two load-bearing wheels of the loading vehicle 3 and the inclined bridge 1. Confirmation point d and second confirmation point e determine the position of the loaded vehicle in the reference row, where D is the width of the loaded vehicle 3, C is the distance between the loaded vehicle 3 and the curb, and A is the center of the two load-bearing wheels of the loaded vehicle 3 Distance, the unit of A, C, D and β ₁ is m;

When the loading method is partial loading, there are even rows of loading vehicles and each row of loading vehicles is not one loading vehicle, in this embodiment, as shown in FIG. 7 , two rows of loading vehicles are used and each row of loading vehicles is two loading vehicles For example, i=2, take the first loading vehicle 3 whose position is determined as the benchmark, and use a ruler to measure the center span line 2 of the inclined bridge from the first vehicle reference point C" of the first loading vehicle 3 as the starting point. The first vehicle reference point C' of the second loading vehicle 3 is to make the distance between two adjacent first vehicle reference points C' In the direction perpendicular to the straight line where the curb stone is located, take the first vehicle reference point C' of the second loading vehicle 3 as the starting point, and use a ruler on the left and right sides of the first vehicle reference point C' of the second loading vehicle 3 respectively. Measure the second vehicle reference point D' and the third vehicle reference point E' of the second loading vehicle 3, the second vehicle reference point D' and the third vehicle reference point E' and the first loading vehicle 3 The distance of the vehicle reference point C' is Use spray paint to mark the second vehicle reference point D' and the third vehicle reference point E', place the laser right-angle ground line at the position of the second vehicle reference point D' of the second loading vehicle 3, and the laser right-angle ground line One of the lasers of the instrument passes through the second vehicle reference point D' and the third vehicle reference point E' of the second loading vehicle 3, and the other laser of the laser right-angle ground line meter is directed towards the first confirmation point of the first loading vehicle 3 and the side of the second confirmation point, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the third confirmation point d', and the laser right-angle ground line meter moves along one of its laser directions to the second vehicle At the position of the third vehicle reference point E' of the loading vehicle 3, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the fourth confirmation point e', the third confirmation point d' And the fourth confirmation point e' is the contact point between the two load-bearing wheels of the second loading vehicle 3 and the inclined bridge 1, and the position of the reference row loading vehicle is determined through the four confirmation points, where β ₂ =D+B , B is the specified distance between two adjacent loading vehicles 3, α is the inclination of the inclined bridge 1, i is the number of the loading vehicle 3 and i≥2, D is the width of the loading vehicle 3, A is the loading vehicle 3 The center distance of the two load-bearing wheels, the units of A, B, D and β ₂ are all m, when i=2, the positioning process of the first loading vehicle 3 whose position is determined is the same as the eccentric loading method and has an even number The positioning process of loading vehicles in a row and each row of loading vehicles is one loading vehicle is consistent;

When the loading method is medium load, there are odd rows of loading vehicles and each row of loading vehicles is an odd number of loading vehicles, if each row of loading vehicles is a loading vehicle, use a tape measure to measure the bridge span on both sides of the inclined bridge 1. The tape measure One end of the tape measure is located at the midpoint of one side of the inclined bridge 1, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge 1. The tape measure is in a straight state, and the tape measure in the straightened state forms the center span line 2 of the inclined bridge. Find the midpoint of the span line 2 of the center of the inclined bridge, always coincide with one laser of the laser right-angle ground line with the curb, move the laser right-angle ground line meter, and the other laser of the laser right-angle ground line meter and the tape measure intersect at the center of the inclined bridge The midpoint of span line 2, taking the midpoint of the center span line 2 of the inclined bridge as the starting point, use a straightedge to measure the first confirmation point and the second confirmation point on the left and right sides of the midpoint of the center span line 2 of the inclined bridge, respectively. The distances between the first confirmation point and the second confirmation point and the vehicle auxiliary point are both The first confirmation point and the second confirmation point are both located on another laser of the laser right-angle ground line meter, and the first confirmation point and the second confirmation point are marked with spray paint. The point and the second confirmation point are the contact points between the two load-bearing wheels of the loading vehicle 3 at the central position and the inclined bridge 1, and the position of the reference row loading vehicle is determined through the first confirmation point and the second confirmation point;

If each row of loading vehicles is not a single loading vehicle, the loading vehicle 3 at the central position is used as the reference to determine the positions of the loading vehicles 3 on both sides of the loading vehicle 3 at the central position, and the loading vehicles 3 on both sides of the loading vehicle 3 at the central position are determined. are equal in number and the positioning method is the same, the midpoint of the center span line 2 of the skew bridge is regarded as the vehicle auxiliary point of the first loading vehicle, and the position determination process of the loading vehicle 3 on either side of the loading vehicle 3 at the central position is the same as the eccentric loading. The process of loading vehicles in an odd row and each row of loading vehicles is not one loading vehicle is consistent;

It should be noted that, as shown in FIG. 8 , taking three rows of loading vehicles and each row of loading vehicles being three loading vehicles as an example, the loading vehicle 3 at the central position is used as the reference, and the two sides of the loading vehicle 3 at the central position are determined. The position of the loading vehicle 3, the number of loading vehicles 3 on both sides of the loading vehicle 3 at the center position is equal and the positioning method is the same, the midpoint of the center span line 2 of the skew bridge is regarded as the vehicle auxiliary point c of the first loading vehicle, and the center position The process of determining the position of the loading vehicle 3 on either side of the loading vehicle 3 is consistent with the process of the eccentric loading mode with odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle. The vehicle auxiliary point c' and the vehicle auxiliary point c" on the right side determine the loading of the center position through the vehicle auxiliary point c'. Vehicle 3 has side confirmation points d" and e";

When the loading mode is medium load, there are odd rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, as shown in Figure 9, taking three rows of loading vehicles and each row of loading vehicles are two loading vehicles as an example, use a tape measure Measure the bridge spans on both sides of the inclined bridge 1. One end of the tape measure is located at the midpoint a of one side of the inclined bridge 1, and the other end of the tape measure is located at the midpoint b of the other side of the inclined bridge 1. The tape measure is in a straight state. The tape measure in the straightened state forms the center span line 2 of the inclined bridge. Find the midpoint o of the center span line 2 of the inclined bridge on the tape measure, and take the midpoint o of the center span line 2 of the inclined bridge as the benchmark, and measure the center span line 2 of the inclined bridge. The positions of the loading vehicles 3 are determined on both sides of the midpoint o. The number of loading vehicles 3 on both sides of the midpoint o of the center span of the skew bridge 2 is equal and the positioning method is the same. The process of determining the position of the loading vehicle 3: take the loading vehicle 3 on the left side of the midpoint o of the center span Measure the vehicle auxiliary point c of the first loading vehicle 3 on the line 2, and make the distance between the vehicle auxiliary point c of the first loading vehicle 3 and the midpoint o of the center span line 2 of the inclined bridge In the direction perpendicular to the straight line where the curb stone is located, take the vehicle auxiliary point c of the first loading vehicle 3 as the starting point, and use a ruler to measure the first confirmation point on the left and right sides of the vehicle auxiliary point c of the first loading vehicle 3 d and the second confirmation point e, where, D is the width of the loading vehicle 3, B is the specified distance between two adjacent loading vehicles 3, α is the inclination of the inclined bridge 1, and the position of the loading vehicle in the reference row is determined through four confirmation points;

If there are more than two loading vehicles in each row, take the first loading vehicle 3 as the starting point, and determine the position of the loading vehicle 3 in the direction away from the midpoint of the center span line 2 of the skew bridge. The process of determining the positions of the loading vehicles 3 on both sides of the point is consistent with the process of the eccentric loading method with odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle;

When the loading mode is medium load, there are even rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle, if each row of loading vehicles is a loading vehicle, let the loading vehicle 3 be the first loading vehicle 3, use Measure the span of the bridge on both sides of the inclined bridge 1 with a tape measure. One end of the tape measure is located at the midpoint of one side of the inclined bridge 1, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge 1. The tape measure is in a straight state. The tape measure in the straight state forms the center span line 2 of the inclined bridge, find the midpoint of the center span line 2 of the inclined bridge on the tape measure, and regard the midpoint of the center span line 2 of the inclined bridge as the first vehicle reference point for loading vehicle 3. A vehicle reference point is the starting point, and a ruler is used to measure the second vehicle reference point and the third vehicle reference point on the left and right sides of the first vehicle reference point, respectively. The second vehicle reference point and the third vehicle reference point are the same as The distance of the first vehicle reference point is Place the laser right-angle ground line at the position of the second vehicle reference point, the third vehicle reference point is located on a laser of the laser right-angle ground line instrument perpendicular to the curb, and spray paint on the second vehicle reference point and the third vehicle reference point. Mark the three vehicle reference points, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the first confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the third vehicle reference point At the position, use a ruler to measure the set length on another laser of the laser right-angle ground line meter, and obtain the second confirmation point. The first confirmation point and the second confirmation point are the two load-bearing points of the loading vehicle 3. The contact point between the wheel and the inclined bridge 1 is determined by the first confirmation point and the second confirmation point to determine the position of the loading vehicle in the reference row, wherein A is the center distance between the two load-bearing wheels of the loading vehicle 3 and its unit is m;

If each row of loading vehicles is not one loading vehicle, as shown in Figure 10, taking two rows of loading vehicles and three loading vehicles in each row as an example, take the first loading vehicle 3 as the starting point, and move away from the inclined bridge The direction of the midpoint of the center span line 2 determines the position of the loading vehicle 3. The position determination process of the loading vehicles 3 on both sides of the first loading vehicle 3 is the same as that of the eccentric loading method with even rows of loading vehicles and each row of loading vehicles is not. The process of loading a vehicle is the same;

When the loading method is medium load, there are even rows of loading vehicles, and each row of loading vehicles is an even-numbered loading vehicle, if there are two loading vehicles in each row, use a tape measure to measure the bridge span on both sides of the inclined bridge 1. The tape measure One end of the tape measure is located at the midpoint of one side of the inclined bridge 1, and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge 1. The tape measure is in a straight state, and the tape measure in the straightened state forms the center span line 2 of the inclined bridge. Find the midpoint of the center span line 2 of the inclined bridge, and use the midpoint of the center span The number of the loading vehicles 3 on both sides of the midpoint of The midpoint is the starting point, and the first vehicle reference point of the first loading vehicle 3 is measured on the center span line 2 of the skew bridge, so that the first vehicle reference point of the first loading vehicle 3 is in the middle of the center span line 2 of the skew bridge. point spacing In the direction perpendicular to the straight line where the curb is located, take the first vehicle reference point of the first loading vehicle 3 as the starting point, and use a ruler to measure the second reference point on the left and right sides of the first vehicle reference point of the first loading vehicle 3 respectively. The vehicle reference point and the third vehicle reference point, the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point are both Place the laser right-angle ground line at the position of the second vehicle reference point, the third vehicle reference point is located on a laser of the laser right-angle ground line instrument perpendicular to the curb, and spray paint on the second vehicle reference point and the third vehicle reference point. Mark the three vehicle reference points, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the first confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the third vehicle reference point At the position, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the second confirmation point. The first confirmation point and the second confirmation point are the first loading vehicle 3 The contact point between the two load-bearing wheels and the inclined bridge 1 is determined by the four confirmation points to determine the position of the vehicle loaded in the reference row, where A is the center distance between the two load-bearing wheels of the loading vehicle 3 and its unit is m, D is the width of the loading vehicle 3, B is the specified distance between two adjacent loading vehicles 3, and α is the inclination of the inclined bridge 1;

If there are more than two loading vehicles in each row, as shown in Figure 11, taking two rows of loading vehicles and four loading vehicles in each row as an example, take the first loading vehicle 3 as the starting point, and move away from the inclined bridge The direction of the midpoint of the center span line 2 determines the position of the loading vehicle 3, and the process of determining the position of the loading vehicle 3 on both sides of the midpoint of the center span line 2 of the skew bridge is the same as the eccentric loading method and has even rows of loading vehicles and each row of loading vehicles. The process of loading a vehicle is the same as that of a loading vehicle;

Step 2. Determine the positions of the remaining rows of loaded vehicles: Use a stretched tape measure to pass through each confirmation point determined in step 1. The stretched tape measure is parallel to the straight line where the curb is located. Determine the confirmation points corresponding to the positions of the remaining rows of loaded vehicles in the length direction of the tape measure, so as to realize the determination of the positions of the remaining rows of loaded vehicles;

Step 3. Install the vehicle layout control device according to the determined loading vehicle position: install a pressure sensor at each confirmation point position, set a vertical pole 5 at the right rear of the layout position of each loading vehicle 3, An adjustable rear-view mirror 4 is installed on the right front side of the vehicle 3, a laser transmitter 6 is installed on the front side of each loading vehicle 3, and a laser receiver 7 is installed on the rear side. The laser transmitters 6 on each loading vehicle 3 and The laser receiver 7 and the connecting line coincide with the central axis of the loading vehicle 3 in the longitudinal direction. The laser receiver 7 installed on each loading vehicle 3 and the pressure sensor installed on the corresponding loading vehicle position are all aligned with the corresponding vertical column 5 connected to the microcontroller 13 within;

Step 4. Determination and input of the axle load parameters of the loading vehicle: the value of the gravity G of the loading vehicle 3 is set in the memory 14 in each vehicle arrangement control device, and the pressure value of the left load-bearing wheel of the loading vehicle 3 and the pressure value of the loading vehicle 3 are respectively set. 3 The pressure value of the right bearing wheel is the same as The threshold Δ of the difference;

Step 5. Positioning of the loading vehicle in the reference row: The corresponding loading vehicle 3 is positioned by each vehicle arrangement control device at the position of the loading vehicle in the reference row, and the positioning method of each loading vehicle 3 at the position of the loading vehicle in the reference row is the same. ; The positioning process of any loading vehicle 3 at the reference row loading vehicle position is: according to adjusting the rear-view mirror 4, the load-bearing wheel of the loading vehicle 3 is driven to the two pressure sensors at the specified position, and the load-bearing vehicles of the loading vehicle are respectively adjusted. The pressure of the left and right load-bearing wheels is detected, and the microcontroller 13 analyzes and processes the received pressure signal to obtain the pressure value F _left of the left load-bearing wheel of the loading vehicle 3 and the pressure value F of the _right load-bearing wheel of the loaded vehicle 3 and Control the touch screen 12 to display; the microcontroller 13 compares the pressure value F of the left load-bearing wheel of the loaded vehicle 3 with the pressure value F of the _left and _right load-bearing wheels respectively with compare when and , the microcontroller 13 controls the first indicator light 10 to display green, indicating that the loading vehicle 3 is parked in place; when or , the microcontroller 13 controls the first indicator light 10 to display red, indicating that the loading vehicle 3 is not parked in place;

Step 6. Positioning of the loading vehicles in the remaining rows: When the loading vehicles are not in one row in the load test of the inclined bridge, the front or rear sides of the loading vehicles in the front row of the parked row shall be positioned as the benchmark. Loading vehicles in the next adjacent row, the number of loading vehicles 3 in the next adjacent row of loading vehicles is equal to the number of loading vehicles 3 in the previous row of loading vehicles and in one-to-one correspondence. Each vehicle arrangement control device positions the corresponding loading vehicle 3, and the positioning method of each loading vehicle 3 at the loading vehicle position in the next adjacent row is the same; for any loading vehicle 3 at the loading vehicle position in the next adjacent row The positioning process of vehicle 3 is:

When the loading vehicle in the next adjacent row is located on the front side of the loading vehicle in the preceding row, the current loading vehicle 3 is positioned from the front side of the loading vehicle in the preceding row with the corresponding loading vehicle 3 in the loading vehicle in the preceding row by reversing. The current laser receiver 7 at the rear of the loading vehicle 3 receives the laser signal of the corresponding laser transmitter 6 on the front side of the loading vehicle 3 in the preceding row of loading vehicles in real time. When the microcontroller 13 controls the second indicator 11 to display green , indicating that the laser signals of the two vehicles are successfully connected, and the current positioning process of the load-bearing wheel of the loading vehicle 3 and the pressure sensor is consistent with the positioning of the reference row loading vehicle in step 5;

When the loading vehicle in the next adjacent row is located at the rear side of the loading vehicle in the previous row, the current loading vehicle 3 drives to the rear side of the loading vehicle in the previous row to locate the corresponding loading vehicle 3 in the loading vehicle in the previous row. The laser transmitter 6 at the front of the loading vehicle 3 receives the laser signal of the laser receiver 7 at the rear of the corresponding loading vehicle 3 in the preceding row of loading vehicles in real time, and the corresponding microcontroller of the loading vehicle 3 in the current row of loading vehicles 13. Control the second indicator light 11 connected to it to display green, indicating that the laser signals of the two vehicles are successfully connected, and the current positioning process of the load-bearing wheel and the pressure sensor of the loading vehicle 3 is consistent with the positioning of the reference row loading vehicle in step 5.

In this embodiment, the loading vehicle 3 is a three-axle loading vehicle, and the load-bearing wheels of the loading vehicle 3 are the second axle wheels of the three-axle loading vehicle.

In this embodiment, the value of G is 30t to 45t, and the value of Δ is 0 to 1t, where t represents ton.

When the present invention is used, the vehicle pressure value of the vehicle is used to locate the vehicles in the reference row, the position of each row of vehicles is determined based on the reference row of vehicles, and the remaining row loading vehicles are positioned by the row direction pressure and the row direction straightness, which is simple, convenient and practical. Strong, can quickly determine the loading position of the loading vehicle.

The above are only preferred embodiments of the present invention and do not limit the present invention. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present invention still belong to the technology of the present invention. within the scope of the program.

Claims (8)

1. A loading vehicle positioning system for an inclined bridge load test is characterized in that: comprising a tape measure for measuring the length and width of the inclined bridge (1), for determining the laser right-angle ground line meter in two phase perpendicular directions, for determining A ruler for the position of the loading vehicle (3), used for painting the position markings of the loading vehicle (3), and a vehicle arrangement control device for controlling the arrangement position of the loading vehicle (3); the vehicle arrangement control device comprises an arrangement The vertical mast (5) at the rear right of the arrangement position of the loading vehicle (3) on the inclined axle (1) and the pressure sensor group arranged at the designated position of the loading vehicle (3) on the inclined axle (1), and Adjusting rear view mirror (4) and centering mechanism mounted on a loading vehicle (3), said pressure sensor group comprising a first pressure sensor (8) for positioning a load bearing wheel in the loading vehicle (3) and for A second pressure sensor (9) for positioning the other load-bearing wheel in the loading vehicle (3), the centering mechanism comprises a laser transmitter (6) mounted on the front side of the positioning loading vehicle (3) and a laser transmitter (6) mounted on the positioning loading vehicle ( 3) The laser receiver (7) on the rear side, the laser transmitter (6) and the laser receiver (7) are at the same height, and the connection between the laser transmitter (6) and the laser receiver (7) is connected to the loading vehicle (3) The central axes in the longitudinal direction coincide, and a first indicator light (10) for prompting that the measurement data of the pressure sensor group is correct and a first indicator light (10) for prompting that the centering mechanism is turned on are installed on the top of the vertical marking column (5). The second indicator light (11) of the device, a touch screen (12) is installed on the side wall of the vertical marking column (5), a circuit board is arranged in the vertical marking column (5), and the circuit board is integrated There is a microcontroller (13), a memory (14) connected to the microcontroller (13) and a communication module (15) for remote data transmission, a signal output end of the first pressure sensor (8), a second pressure The signal output end of the sensor (9) and the signal output end of the laser receiver (7) are both connected to the input end of the microcontroller (13), the first indicator light (10), the second indicator light (11) and the touch screen (12) are all connected with the output end of the microcontroller (13); The center distance of the first pressure sensor (8) and the second pressure sensor (9) is equal to the center distance of the two load-bearing wheels of the loading vehicle (3). 2 . The loading vehicle positioning system for a load test of an inclined bridge according to claim 1 , wherein the microcontroller ( 13 ) is an ARM microcontroller or a DSP microcontroller. 3 . 3 . The vehicle positioning system for loading a load test of an inclined bridge according to claim 1 , wherein the communication module ( 15 ) is a WIFI communication module or a GSM communication module. 4 . 4 . The loading vehicle positioning system for a load test of an inclined bridge according to claim 1 , wherein the loading vehicle ( 3 ) is a three-axle loading vehicle or a four-axle loading vehicle. 5 . 5. The loading vehicle positioning system for a load test of an inclined bridge according to claim 1, characterized in that: the adjustment rearview mirror (4) is installed on the right front side of the loading vehicle (3), and the adjustment rearview mirror (4) comprising a chassis (4-1) matched with the front side plate of the loading vehicle (3), an adjusting rod (4-2) mounted on the chassis (4-1) and a top end of the adjusting rod (4-2) The rear view mirror (4-3) is hinged with the chassis (4-1), and the adjustment rod (4-2) is hinged with the adjustment rod (4-2). 6. a kind of method that utilizes the system as claimed in claim 1 to carry out inclined bridge load test loading vehicle to carry out positioning, it is characterized in that, this method comprises the following steps: Step 1: Determine the position of the reference row loading vehicle, and divide the loading method into partial loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is a loading vehicle, and partial-load loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is not a single loading vehicle. Loading vehicles, partial loading mode with even-numbered rows of loading vehicles and one loading vehicle per row, partial loading mode and even-numbered loading vehicles and each row of loading vehicles is not one loading vehicle, medium-load loading mode And there are odd-numbered rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle, medium-loading mode with odd-numbered rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, medium-loading mode with even-numbered rows of loading vehicles and each There are eight situations in which the platoon-loading vehicle is an odd-numbered vehicle, a medium-loaded vehicle with an even-numbered row of vehicles, and each row of loaded vehicles is an even-numbered vehicle to determine the position of the reference row-loaded vehicle in each case. The specific process is as follows: When the loading method is partial load, there are odd rows of loading vehicles and each row of loading vehicles is one loading vehicle, use a tape measure to measure the bridge spans on both sides of the inclined bridge (1), and one end of the tape measure is located at one end of the inclined bridge (1). At the midpoint of the side, the other end of the tape measure is located at the midpoint of the other side of the inclined bridge (1). One of the lasers of the instrument is always coincident with the curb, and the laser right-angle geometer is moved along the curb along the inclined direction of the inclined bridge (1). The ruler measures the distance β ₁ between the laser right-angle ground line meter and the vehicle auxiliary point, when Stop moving the laser right-angle ground line meter, and along the other laser direction of the laser right-angle ground line meter, take the vehicle auxiliary point as the starting point, and use a ruler to measure the first confirmation point and the second confirmation point on the left and right sides of the vehicle auxiliary point respectively. point, the distances between the first confirmation point and the second confirmation point and the vehicle auxiliary point are both The first confirmation point and the second confirmation point are marked by painting, and the first confirmation point and the second confirmation point are the connection between the two load-bearing wheels of the loading vehicle (3) and the inclined bridge (1). Contact point, through the first confirmation point and the second confirmation point to determine the position of the loading vehicle in the reference row, where D is the width of the loading vehicle (3), C is the distance between the loading vehicle (3) and the curb, and A is the loading vehicle (3) The center distance of the two load-bearing wheels, the units of A, C, D and β ₁ are all m; When the loading method is partial load, there are odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle, take the i-1th loading vehicle (3) whose position is determined as the benchmark, and use a ruler to calculate the i-1th loading vehicle (3). The vehicle auxiliary point of the vehicle loading vehicle (3) is taken as the starting point and the vehicle auxiliary point of the i-th loading vehicle (3) is measured along the center span line of the inclined bridge (2), so that the distance between the two adjacent vehicle auxiliary points is In the direction perpendicular to the straight line where the curb is located, take the vehicle auxiliary point of the i-th loading vehicle (3) as the starting point, and use a straightedge to measure the 2i-th vehicle auxiliary point on the left and right sides of the i-th loading vehicle (3) respectively. -1 confirmation point and 2i confirmation point, the distances between the 2i-1 confirmation point and the 2i confirmation point and the vehicle auxiliary point of the i-th loading vehicle (3) are both The 2i-1 confirmation point and the 2i confirmation point are marked with spray paint, and the 2i-1 confirmation point and the 2i confirmation point are the two load-bearing wheels of the i-th loading vehicle (3). The contact point with the inclined bridge (1) is determined by 2i confirmation points to determine the position of the loading vehicle in the reference row, where β ₂ =D+B, B is the specified distance between two adjacent loading vehicles (3), α is the inclination of the inclined bridge (1), i is the number of the loading vehicle (3) and i≥2, D is the width of the loading vehicle (3), A is the center distance between the two load-bearing wheels of the loading vehicle (3), The units of A, B, D and β ₂ are all m. When i=2, the positioning process of the i-1th loading vehicle (3) whose position is determined is the same as the partial loading method and has an odd row of loading vehicles and every The positioning process of the platoon loading vehicle is the same as that of a loading vehicle; When the loading method is partial load, there are even rows of loading vehicles, and each row of loading vehicles is one loading vehicle, use a tape measure to measure the bridge span on both sides of the inclined bridge (1), and one end of the tape measure is located at one end of the inclined bridge (1). At the midpoint of the side, the other end of the tape measure is located at the midpoint of the other side of the inclined bridge (1). One laser of the instrument always coincides with the curb, and the laser right-angle ground line meter is moved along the curb along the inclined direction of the inclined bridge (1). The other laser of the laser right-angle ground line meter intersects with the tape measure at the first vehicle reference point, Use a ruler to measure the distance β ₁ between the laser quadrature and the first vehicle reference point, when stop moving the laser right-angle ground line meter, take the first vehicle reference point as the starting point along the other laser direction of the laser right-angle ground line meter, and use a ruler to measure the second vehicle reference point on the left and right sides of the first vehicle reference point respectively. point and the third vehicle reference point, the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point are both Use spray paint to mark the second vehicle reference point and the third vehicle reference point, move the laser right-angle ground line instrument to the position of the second vehicle reference point along its other laser direction, and use a ruler to mark the laser right-angle ground line Measure the set length on one laser of the instrument to obtain the first confirmation point, move the laser right-angle ground line instrument to the position of the third vehicle reference point along its other laser direction, and use a ruler to measure a laser of the laser right-angle ground line instrument. Measure the set length and obtain the second confirmation point. The first confirmation point and the second confirmation point are the contact points between the two load-bearing wheels of the loading vehicle (3) and the inclined bridge (1). The confirmation point and the second confirmation point determine the position of the loading vehicle in the reference row, wherein D is the width of the loading vehicle (3), C is the distance between the loading vehicle (3) and the curb, and A is the two widths of the loading vehicle (3) The center distance of the load-bearing wheel, the unit of A, C, D and β ₁ is m; When the loading method is partial load, there are even rows of loading vehicles and each row of loading vehicles is not one loading vehicle, take the i-1th loading vehicle (3) whose position is determined as the benchmark, and use a ruler to measure the i-1th loading vehicle (3) The first vehicle reference point of the ith loading vehicle (3) is taken as the starting point and the first vehicle reference point of the i-th loading vehicle (3) is measured along the center span line (2) of the inclined bridge, so that two adjacent first vehicles refer to point spacing In the direction perpendicular to the straight line where the curb is located, starting from the first vehicle reference point of the i-th loading vehicle (3), use a straightedge on the left and right sides of the first vehicle reference point of the i-th loading vehicle (3). Measure the second vehicle reference point and the third vehicle reference point of the ith loading vehicle (3), the second vehicle reference point and the third vehicle reference point and the first vehicle reference point of the ith loading vehicle (3) The distance is Use spray paint to mark the second vehicle reference point and the third vehicle reference point, and place the laser right-angle ground line at the position of the second vehicle reference point of the i-th loading vehicle (3). The laser passes through the second vehicle reference point and the third vehicle reference point of the i-th loading vehicle (3), and the other laser of the laser right-angle ground line meter faces the first confirmation point of the i-1th loading vehicle (3) and On the side of the second confirmation point, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the 2i-1 confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the i-th vehicle for loading At the position of the third vehicle reference point of the vehicle (3), use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the 2i confirmation point, the 2i-1 confirmation point and the above _The 2ith confirmation point is the contact point between the two load-bearing wheels of the i-th loading vehicle (3) and the inclined bridge (1). B is the specified distance between two adjacent loading vehicles (3), α is the inclination of the inclined bridge (1), i is the number of the loading vehicle (3) and i≥2, D is the loading vehicle (3) Width, A is the center distance between the two load-bearing wheels of the loading vehicle (3), and the units of A, B, D and β2 are all m. When i= ₂ , the i-1th loading vehicle ( 3) The positioning process is consistent with the eccentric loading method with even rows of loading vehicles and each row of loading vehicles is a loading vehicle positioning process; When the loading mode is medium load, there are odd rows of loading vehicles and each row of loading vehicles is an odd number of loading vehicles, if each row of loading vehicles is a loading vehicle, use a tape measure to measure the bridge span on both sides of the inclined bridge (1). , one end of the tape measure is located at the midpoint of one side of the inclined bridge (1), and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge (1). Span line (2), find the midpoint of the span line (2) in the center of the inclined bridge on the tape measure, always coincide with a laser of the laser right-angle ground line with the curb, move the laser right-angle ground line The other laser and the tape measure intersect at the midpoint of the central span line (2) of the inclined bridge, take the midpoint of the central span line (2) of the inclined bridge as the starting point, and use a straightedge to move around the midpoint of the central span line (2) of the inclined bridge. The first confirmation point and the second confirmation point are respectively measured on both sides, and the distances between the first confirmation point and the second confirmation point and the vehicle auxiliary point are both The first confirmation point and the second confirmation point are both located on another laser of the laser right-angle ground line meter, and the first confirmation point and the second confirmation point are marked with spray paint. The point and the second confirmation point are the contact points of the two load-bearing wheels of the loading vehicle (3) at the central position and the inclined bridge (1), and the position of the reference row loading vehicle is determined through the first confirmation point and the second confirmation point; If each row of loading vehicles is not a single loading vehicle, the loading vehicle (3) at the central position is used as the benchmark to determine the position of the loading vehicle (3) on both sides of the loading vehicle (3) at the central position. 3) The number of loading vehicles (3) on both sides is equal and the positioning method is the same. The process of determining the position of the loading vehicle (3) on one side is consistent with the process of the eccentric loading mode with odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle; When the loading method is medium load, there are odd-numbered rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, and if there are two loading vehicles in each row, use a tape measure to measure the bridge span on both sides of the inclined bridge (1). , one end of the tape measure is located at the midpoint of one side of the inclined bridge (1), and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge (1). Span line (2), find the midpoint of the center span line (2) of the inclined bridge on the tape measure, take the midpoint of the center span Determine the position of the loading vehicle (3) on both sides, the number of loading vehicles (3) on both sides of the midpoint of the center span line (2) of the inclined bridge is equal, and the positioning method is the same, and the midpoint of the center span line (2) of the inclined bridge is any The process of determining the position of the loading vehicle (3) on one side: use a ruler to take the midpoint of the center span line (2) of the inclined bridge as the starting point, and measure the first loading vehicle (3) on the center span line (2) of the inclined bridge. ), so that the distance between the vehicle auxiliary point of the first loading vehicle (3) and the midpoint of the center span line (2) of the inclined bridge In the direction perpendicular to the straight line where the curb is located, take the vehicle auxiliary point of the first loading vehicle (3) as the starting point, and use a ruler to measure the first loading vehicle (3) on the left and right sides of the vehicle auxiliary point respectively. A confirmation point and a second confirmation point, where, D is the width of the loading vehicle (3), B is the specified distance between two adjacent loading vehicles (3), α is the inclination of the inclined bridge (1), and the position of the loading vehicle in the reference row is determined by 4 confirmation points ; If there are more than two loading vehicles in each row, take the first loading vehicle (3) as the starting point, and determine the position of the loading vehicle (3) in the direction away from the midpoint of the center span line (2) of the inclined bridge. The process of determining the positions of the loading vehicles (3) on both sides of the midpoint of the center span line (2) is consistent with the process of eccentric loading with odd rows of loading vehicles and each row of loading vehicles is not one loading vehicle; When the loading mode is medium load, there are even rows of loading vehicles and each row of loading vehicles is an odd-numbered loading vehicle, if each row of loading vehicles is a loading vehicle, let the loading vehicle (3) be the first loading vehicle ( 3) Use a tape measure to measure the bridge span on both sides of the inclined bridge (1). One end of the tape measure is located at the midpoint of one side of the inclined bridge (1), and the other end of the tape measure is located in the middle of the other side of the inclined bridge (1). At the point, the tape measure is in a straightened state. The tape measure in the straightened state forms the center span line (2) of the inclined bridge. Find the midpoint of the center span line (2) of the inclined bridge on the tape, and place the The midpoint is regarded as the first vehicle reference point of the loaded vehicle (3). Taking the first vehicle reference point as the starting point, use a ruler to measure the second vehicle reference point and the third vehicle reference point on the left and right sides of the first vehicle reference point respectively. point, the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point are both Place the laser right-angle ground line at the position of the second vehicle reference point, the third vehicle reference point is located on a laser of the laser right-angle ground line instrument perpendicular to the curb, and spray paint on the second vehicle reference point and the third vehicle reference point. Mark the three vehicle reference points, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the first confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the third vehicle reference point At the position, use a ruler to measure the set length on another laser of the laser right-angle ground line meter, and obtain the second confirmation point, and the first confirmation point and the second confirmation point are the loading vehicle (3). The contact points between the two load-bearing wheels and the inclined bridge (1), determine the position of the reference row loaded vehicle through the first confirmation point and the second confirmation point, wherein, A is the center distance between the two load-bearing wheels of the loaded vehicle (3) and its The unit is m; If each row of loading vehicles is not one loading vehicle, take the first loading vehicle (3) as the starting point, and determine the position of the loading vehicle (3) in the direction away from the midpoint of the center span line (2) of the skew bridge. The process of determining the positions of the loading vehicles (3) on both sides of the loading vehicle (3) is consistent with the process of the partial loading method with an even row of loading vehicles and each row of loading vehicles is not one loading vehicle; When the loading method is medium load, there are even rows of loading vehicles and each row of loading vehicles is an even-numbered loading vehicle, if there are two loading vehicles in each row, use a tape measure to measure the bridge span on both sides of the inclined bridge (1). , one end of the tape measure is located at the midpoint of one side of the inclined bridge (1), and the other end of the tape measure is located at the midpoint of the other side of the inclined bridge (1). Span line (2), find the midpoint of the center span line (2) of the inclined bridge on the tape measure, take the midpoint of the center span Determine the position of the loading vehicle (3) on both sides, the number of loading vehicles (3) on both sides of the midpoint of the center span line (2) of the inclined bridge is equal, and the positioning method is the same, and the midpoint of the center span line (2) of the inclined bridge is any The process of determining the position of the loading vehicle (3) on one side: use a ruler to take the midpoint of the center span line (2) of the inclined bridge as the starting point, and measure the first loading vehicle (3) on the center span line (2) of the inclined bridge. ), so that the distance between the first vehicle reference point of the first loading vehicle (3) and the midpoint of the center span line (2) of the suspension bridge Take the first vehicle reference point of the first loading vehicle (3) as the starting point along the direction perpendicular to the straight line where the curb is located, and use a straightedge on the left and right sides of the first vehicle reference point of the first loading vehicle (3). Measure the second vehicle reference point and the third vehicle reference point, and the distances between the second vehicle reference point and the third vehicle reference point and the first vehicle reference point are both Place the laser right-angle ground line at the position of the second vehicle reference point, the third vehicle reference point is located on a laser of the laser right-angle ground line instrument perpendicular to the curb, and spray paint on the second vehicle reference point and the third vehicle reference point. Mark the three vehicle reference points, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter to obtain the first confirmation point, and the laser right-angle ground line meter moves along one of its laser directions to the third vehicle reference point At the position, use a ruler to measure the set length on the other laser of the laser right-angle ground line meter, and obtain the second confirmation point. The first confirmation point and the second confirmation point are the first loading vehicle ( 3) The contact point between the two load-bearing wheels and the inclined bridge (1), through the four confirmation points to determine the position of the loading vehicle in the reference row, where A is the center distance between the two load-bearing wheels of the loading vehicle (3) and its unit is m, D is the width of the loading vehicle (3), B is the specified distance between two adjacent loading vehicles (3), and α is the inclination of the inclined bridge (1); If there are more than two loading vehicles in each row, take the first loading vehicle (3) as the starting point, and determine the position of the loading vehicle (3) in the direction away from the midpoint of the center span line (2) of the inclined bridge. The process of determining the positions of the loading vehicles (3) on both sides of the midpoint of the center span line (2) is consistent with the process of the eccentric loading method with even rows of loading vehicles and each row of loading vehicles is not one loading vehicle; Step 2. Determine the positions of the remaining rows of loaded vehicles: Use a stretched tape measure to pass through each confirmation point determined in step 1. The stretched tape measure is parallel to the straight line where the curb is located. Determine the confirmation points corresponding to the positions of the remaining rows of loaded vehicles in the length direction of the tape measure, so as to realize the determination of the positions of the remaining rows of loaded vehicles; Step 3. Install the vehicle arrangement control device according to the determined loading vehicle position: install a pressure sensor at each confirmation point position, and set a vertical marking column (5) at the right rear of the arrangement position of each loading vehicle (3), Install an adjustable rear-view mirror (4) on the right front side of each loading vehicle (3), install a laser transmitter (6) on the front side of each loading vehicle (3), and install a laser receiver (7) on the rear side ), the laser transmitter (6) and the laser receiver (7) on each loading vehicle (3) and the connection line coincides with the central axis in the longitudinal direction of the loading vehicle (3), and each loading vehicle (3) is installed on the The laser receiver (7) and the pressure sensor installed on the corresponding loading vehicle position are connected with the microcontroller (13) in the corresponding vertical marking column (5); Step 4. Determination and input of the axle load parameters of the loading vehicle: the value of the gravity G of the loading vehicle (3) is set in the memory (14) in each vehicle arrangement control device, and the left load-bearing wheel of the loading vehicle (3) is respectively set The pressure value of , the pressure value of the right load-bearing wheel of the loaded vehicle (3) and the The threshold Δ of the difference; Step 5. Positioning of the loading vehicle in the reference row: The corresponding loading vehicle (3) is positioned by each vehicle arrangement control device at the position of the loading vehicle in the reference row. The positioning methods are all the same; the positioning process for any loading vehicle (3) at the position of the loading vehicle in the reference row is: according to the adjustment of the rearview mirror (4), drive the load-bearing wheel of the loading vehicle (3) to the two wheels at the specified position. On each pressure sensor, the pressures of the left and right load-bearing wheels of the loaded vehicle are respectively detected, and the microcontroller (13) analyzes and processes the received pressure signals to obtain the pressure value F _left of the left load-bearing wheels of the loaded vehicle (3). and the pressure value F of the _right load-bearing wheel of the loading vehicle (3) and control the touch screen (12) to display; the microcontroller (13) will load the pressure value F of the left load-bearing wheel of the vehicle (3) to the _left and right load-bearing wheels. The pressure value F _right and compare when and , the microcontroller (13) controls the first indicator light (10) to display green, indicating that the loading vehicle (3) is parked in place; when or , the microcontroller (13) controls the first indicator light (10) to display red, indicating that the loading vehicle (3) is not parked in place; Step 6. Positioning of the loading vehicles in the remaining rows: When the loading vehicles are not in one row in the load test of the inclined bridge, the front or rear sides of the loading vehicles in the front row of the parked row shall be positioned as the benchmark. Loading vehicles in the next adjacent row, the number of loading vehicles (3) in the next adjacent row of loading vehicles is equal to the number of loading vehicles (3) in the previous row of loading vehicles and one-to-one correspondence. Each vehicle arrangement control device at the vehicle position positions the corresponding loading vehicle (3), and the positioning method for each loading vehicle (3) at the loading vehicle position in the next adjacent row is the same; The positioning process of any loading vehicle (3) at the loading vehicle position is: When the loading vehicle in the next adjacent row is located on the front side of the loading vehicle in the preceding row, the current loading vehicle (3) is reversed from the front side of the loading vehicle in the preceding row with the corresponding loading vehicle (3) in the loading vehicle in the preceding row. ) for positioning, the laser receiver (7) at the rear of the current loading vehicle (3) receives the laser signal of the laser transmitter (6) on the front side of the corresponding loading vehicle (3) in the preceding row of loading vehicles in real time. The microcontroller (13) controls the second indicator light (11) to display green, indicating that the laser signals of the two vehicles are successfully connected, and the current positioning process of the load-bearing wheel and the pressure sensor of the loading vehicle (3) is the same as the loading of the reference row in step 5. The positioning of the vehicle is consistent; When the loading vehicle in the next adjacent row is located at the rear side of the loading vehicle in the preceding row, the current loading vehicle (3) drives to the rear side of the loading vehicle in the preceding row and the corresponding loading vehicle (3) in the loading vehicle in the preceding row carries out Positioning, the laser transmitter (6) at the front of the current loading vehicle (3) receives in real time the laser signal of the laser receiver (7) at the rear of the corresponding loading vehicle (3) in the preceding row of loading vehicles, and the current row of loading vehicles The corresponding microcontroller (13) of the corresponding loading vehicle (3) in the vehicle controls the second indicator light (11) connected to it to display green, indicating that the laser signals of the two vehicles are successfully connected, and the current load-bearing vehicle (3) The positioning process of the wheel and the pressure sensor is consistent with the positioning of the vehicle loaded in the reference row in step 5. 7. The method according to claim 6, characterized in that: the loading vehicle (3) is a three-axle loading vehicle, and the load-bearing wheel of the loading vehicle (3) is the second axle wheel of the three-axle loading vehicle. 8 . The method according to claim 6 , wherein the value of G is 30t˜45t, and the value of Δ is 0˜1t. 9 .