CN112900210A - Road flatness detection method and system - Google Patents
Road flatness detection method and system Download PDFInfo
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- CN112900210A CN112900210A CN202110093743.8A CN202110093743A CN112900210A CN 112900210 A CN112900210 A CN 112900210A CN 202110093743 A CN202110093743 A CN 202110093743A CN 112900210 A CN112900210 A CN 112900210A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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Abstract
The invention belongs to the technical field of road detection, and particularly discloses a road flatness detection method and a system, which comprise a shell and a main controller; a front vehicle plate and a rear vehicle plate are horizontally fixed on two sides of the shell respectively; front frames are symmetrically and vertically fixed on the bottom surface of the front plate, front axles are horizontally arranged in the bottom end of the front frame and are rotationally connected with the front frame, one ends, far away from each other, of the two front axles are fixedly connected with front wheel rims, and front tires are fixedly connected to the circumferential sides of the front wheel rims; the rear frame is symmetrically and vertically fixed on the bottom surface of the rear plate, a rear axle is horizontally arranged in the bottom end of the rear frame and is rotationally connected with the rear frame, one end of each rear axle, which is far away from each other, is fixedly connected with a rear wheel rim, and the circumferential side of the rear wheel rim is fixedly connected with a rear tire; the displacement sensor is fixedly installed at the center of the bottom surface of the shell, the main controller is installed at the center of the interior of the shell, and the displacement sensor is connected with the main controller through a circuit.
Description
Technical Field
The invention relates to the technical field of road detection, in particular to a road flatness detection method and a road flatness detection system.
Background
The road flatness refers to a deviation value of the concave-convex amount in the longitudinal direction of the road surface. The road surface flatness is one of the main technical indexes for evaluating the road surface quality, and is related to the safety and comfort of driving, the impact force on the road surface and the service life of the road surface, the uneven road surface can increase the driving resistance and cause the vehicle to generate additional vibration action, the vibration action can cause the bumping of driving, influence the speed and safety of driving and influence the comfort of passengers.
Factors influencing the pavement evenness mainly comprise differential settlement, a paving process, a rolling process, transverse joint treatment, mix proportion design, lower bearing layer diseases and the like.
The flatness directly reflects the driving comfort of the vehicle and the safety and service life of the road surface. The detection of the pavement evenness can provide important information for decision makers, so that the decision makers can make optimization decisions for pavement maintenance, overhaul and the like. On the other hand, the detection of the pavement evenness can accurately provide information of the pavement construction quality, and an objective index for quality evaluation is provided for pavement construction.
Since the flatness of the road surface directly affects the safety of vehicles, airplanes and other carrying devices and the comfort of passengers, it is always one of the important indexes in the evaluation of the road surface quality and the acceptance of the road surface construction. At present, most of flatness instruments adopted in the general society detect the distance between the flatness instruments and a road surface through a displacement sensor and calculate the standard deviation of the road surface flatness to realize the detection of the road surface flatness, but one problem exists in the method, because tires are made of rubber materials, the rubber materials can deform when passing through small bulges on the road surface, but the deformation value of the rubber materials cannot be reflected in the detection data of the displacement sensor, so that each data can have certain errors, and the errors can cause great influence on the result under accumulation, therefore, a road flatness detection method and a system are designed, and the influence caused by the errors can be reduced to the greatest extent.
Disclosure of Invention
The present invention is directed to a road flatness detecting method and system, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a road flatness detection method and system, including body and main control unit; a front vehicle plate and a rear vehicle plate are horizontally fixed on two sides of the shell respectively; front frames are symmetrically and vertically fixed on the bottom surface of the front plate, front axles are horizontally arranged in the bottom end of the front frame and are rotationally connected with the front frame, one ends, far away from each other, of the two front axles are fixedly connected with front wheel rims, and front tires are fixedly connected to the circumferential sides of the front wheel rims; the rear frame is symmetrically and vertically fixed on the bottom surface of the rear plate, a rear axle is horizontally arranged in the bottom end of the rear frame and is rotationally connected with the rear frame, one end of each rear axle, which is far away from each other, is fixedly connected with a rear wheel rim, and the circumferential side of the rear wheel rim is fixedly connected with a rear tire;
the displacement sensor is fixedly installed at the center of the bottom surface of the shell, the main controller is installed at the center of the interior of the shell, and the displacement sensor is connected with the main controller through a circuit.
Preferably, a first rotating shaft is horizontally fixed at the bottom end inside the shell, one end of the first rotating shaft penetrates through the shell and is fixedly connected with the output end of the driving motor, and first gears are symmetrically sleeved and fixed at two ends of the surface of the first rotating shaft; the driving motor is connected with the main controller through a circuit.
Preferably, the two front axles and the two rear axles are mutually connected through a second rotating shaft, and a second gear is fixedly sleeved on the surface of the second rotating shaft; the first gear and the second gear which correspond to each other are connected through a rack.
Preferably, a rotation speed sensor is fixedly mounted on the surface of the second gear, and the rotation speed sensor is connected with the main controller through a circuit.
Preferably, the front rim surface and the rear rim surface are both provided with pressure sensors, and the pressure sensors are connected with the main controller through circuits.
Preferably, the surface of the rear frame is sleeved with a damping spring; the top end of the damping spring is fixedly connected with the bottom surface of the rear vehicle plate.
Preferably, a traction assembly is arranged on the surface of one side, close to the front vehicle plate, of the shell; the traction assembly comprises a vertical rod, a cross rod and a traction ring; the vertical rod is vertically fixed on the top surface of the shell, a cross rod is horizontally fixed at the top end of the vertical rod, and the other end of the cross rod is fixedly connected with the traction ring.
The detection method of the road flatness detection system comprises the following steps:
s1: selecting a test road section with the length of 200m, and requiring no obvious pits and damages on the test road section;
s2: setting warning marks on the roads at two ends of the test road section;
s3: cleaning the test road section to remove dirt on the surface of the test road section;
s4: fixing an initial pile rod at one end of the test road section, marking by using chalk, and fixing the pile rods at intervals of 10m until the pile rods are fixed at the other end of the test road section;
s5: adjusting the parameter settings of the displacement sensor, the pressure sensor and the rotating speed sensor to detect the displacement sensor, the pressure sensor and the rotating speed sensor once every 10 cm;
s6: the road flatness detection system is placed at an initial pile rod of a test road section, and can be directly started if the test road section is a straight road section, and is fixedly connected with a tractor through a traction assembly if the test road section is a curved road section; when the flatness detection is carried out, the speed of the road flatness detection system is kept at 5Km/h as much as possible;
s7: when each pile rod passes through, the main controller calculates data collected by the displacement sensor and the pressure sensor to obtain a standard deviation of road flatness, and the standard deviation can represent the road flatness from the initial pile rod to the calculated pile rod;
s8: when the pile rod is finished, the test is finished, and the data collected by the displacement sensor and the pressure sensor are calculated through the main controller to obtain the standard deviation of the whole road flatness
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the data of the displacement sensor can be corrected through the data of the pressure sensor and then calculated by the main control, so that more accurate road flatness data can be obtained.
The flatness detection system can be used under the condition of no tractor through the action of the driving motor, the first rotating shaft, the first gear, the second rotating shaft and the second gear, and the application range of the flatness detection system is expanded.
Drawings
FIG. 1 is a front view of the present invention in its entirety;
fig. 2 is an internal structural view of the entire front face of the present invention.
In the figure: 1. a housing; 2. a front deck; 3. a front frame; 4. a front axle; 5. a front rim; 6. a front tire; 7. a rear sweep; 8. a rear frame; 9. a rear axle; 10. a rear rim; 11. a rear tire; 12. a main controller; 13. a displacement sensor; 14. a first rotating shaft; 15. a drive motor; 16. a first gear; 17. a second rotating shaft; 18. a second gear; 19. a rack; 20. a rotational speed sensor; 21. a pressure sensor; 22. a traction assembly; 221. a vertical rod; 222. a cross bar; 223. a traction ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in FIGS. 1-2; the invention provides a road flatness detection system, which comprises a shell 1 and a main controller 12; a front sweep 2 and a rear sweep 7 are horizontally fixed on two sides of the shell 1 respectively; the bottom surface of the front vehicle plate 2 is symmetrically and vertically fixed with a front vehicle frame 3, a front vehicle shaft 4 is horizontally arranged in the bottom end of the front vehicle frame 3, the front vehicle shaft 4 is rotatably connected with the front vehicle frame 3, one end of each of the two front vehicle shafts 4, which is far away from each other, is fixedly connected with a front wheel rim 5, and the circumferential side of the front wheel rim 5 is fixedly connected with a front tire 6; the bottom surface of the rear vehicle plate 7 is symmetrically and vertically fixed with a rear vehicle frame 8, a rear vehicle shaft 9 is horizontally arranged in the bottom end of the rear vehicle frame 8, the rear vehicle shaft 9 is rotatably connected with the rear vehicle frame 8, one end of each rear vehicle shaft 9, which is far away from each other, is fixedly connected with a rear wheel rim 10, and the circumferential side of the rear wheel rim 10 is fixedly connected with a rear tire 11;
Further, a first rotating shaft 14 is horizontally fixed at the bottom end inside the housing 1, one end of the first rotating shaft 14 penetrates through the housing 1 and is fixedly connected with the output end of the driving motor 15, and first gears 16 are symmetrically sleeved and fixed at two ends of the surface of the first rotating shaft 14; the driving motor 15 is electrically connected with the main controller 12.
Further, the two front axles 4 and the two rear axles 9 are connected with each other through a second rotating shaft 17, and a second gear 18 is fixedly sleeved on the surface of the second rotating shaft 17; the first gear 16 and the second gear 18 corresponding to each other are connected by a rack 19.
Further, a rotation speed sensor 20 is fixed on the surface of the second gear 18, and the rotation speed sensor 20 is connected with the main controller 12 through a circuit.
Further, the front rim 5 and the rear rim 10 are both provided with pressure sensors 21, and the pressure sensors 21 are electrically connected with the main controller 12.
Further, a traction assembly 22 is arranged on one side surface of the shell 1 close to the front vehicle plate 2; the traction assembly 22 comprises a vertical rod 221, a cross rod 222 and a traction ring 223; the vertical rod 221 is vertically fixed on the top surface of the shell 1, a cross rod 222 is horizontally fixed at the top end of the vertical rod 221, and the other end of the cross rod 222 is fixedly connected with a traction ring 223.
The invention provides a road flatness detection system, which comprises a shell 1 and a main controller 12; a displacement sensor 13 is arranged at the center of the top surface of the shell 1, and the displacement sensor 13 can detect the distance between the displacement sensor and the road surface and transmit data to the main controller 12; a front vehicle plate 2 and a rear vehicle plate 7 are horizontally fixed on two sides of the shell 1 respectively, the bottom end of the front vehicle plate 2 is rotatably connected with the front wheel rim 5 through a front vehicle shaft 4, the bottom end of the rear vehicle plate 7 is rotatably connected with the rear wheel rim 10 through a rear vehicle shaft 9, pressure sensors 21 are mounted on the surfaces of the front wheel rim 5 and the rear wheel rim 10, the pressure sensors 21 can detect the pressures of the front tire 6 and the rear tire 11 and transmit the detected data to the main controller 12, and the main controller 12 corrects the data of the displacement sensor 13 through the data of the pressure sensors 21 and then calculates the data, so that more accurate road flatness data can be obtained;
a first rotating shaft 14 is horizontally arranged in the shell 1, the first rotating shaft 14 penetrates through the shell 1 and is fixedly connected with the output end of a driving motor 15, the driving motor 15 is electrically connected with a main controller 12, a first gear 16 is fixedly sleeved on the surface of the first rotating shaft 14, the two front axles 4 and the two rear axles 9 are connected through a second rotating shaft 17, a second gear 18 is fixedly sleeved on the surface of the second rotating shaft 17, the first gear 16 is in meshed connection with the second gear 18, a rotating speed sensor 20 is fixedly installed on the surface of the second gear 18, and the rotating speed sensor 20 is electrically connected with the main controller 12; the rotating speed of the first gear 16 can be detected through the rotating speed sensor 20 so as to obtain the rotating speeds of the front axle 4 and the rear axle 9, the advancing speed of the flatness detection system can be known, and the main controller 12 controls the driving motor 15 to rotate forwards or backwards when the speed changes, so that the speed of the flatness detection system is kept constant, and more accurate detection data are achieved; and the flatness detecting system can be used under the condition of no tractor by the action of the driving motor 15, the first rotating shaft 14, the first gear 16, the second rotating shaft 17 and the second gear 18, so that the application range of the flatness detecting system is expanded.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.
The detection method of the road flatness detection system comprises the following steps:
s1: selecting a test road section with the length of 200m, and requiring no obvious pits and damages on the test road section;
s2: setting warning marks on the roads at two ends of the test road section;
s3: cleaning the test road section to remove dirt on the surface of the test road section;
s4: fixing an initial pile rod at one end of the test road section, marking by using chalk, and fixing the pile rods at intervals of 10m until the pile rods are fixed at the other end of the test road section;
s5: adjusting the parameter settings of the displacement sensor, the pressure sensor and the rotating speed sensor to detect the displacement sensor, the pressure sensor and the rotating speed sensor once every 10 cm;
s6: the road flatness detection system is placed at an initial pile rod of a test road section, and can be directly started if the test road section is a straight road section, and is fixedly connected with a tractor through a traction assembly if the test road section is a curved road section; when the flatness detection is carried out, the speed of the road flatness detection system is kept at 5Km/h as much as possible;
s7: when each pile rod passes through, the main controller calculates data collected by the displacement sensor and the pressure sensor to obtain a standard deviation of road flatness, and the standard deviation can represent the road flatness from the initial pile rod to the calculated pile rod;
s8: and when the pile rod is finished, the test is finished, and the data acquired by the displacement sensor and the pressure sensor are calculated through the main controller to obtain the standard deviation of the whole road flatness.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A road flatness detection system, its characterized in that: comprises a shell (1) and a main controller (12); a front vehicle plate (2) and a rear vehicle plate (7) are horizontally fixed on two sides of the shell (1) respectively; front frames (3) are symmetrically and vertically fixed on the bottom surface of the front frame (2), a front axle (4) is horizontally arranged in the bottom end of the front frame (3), the front axle (4) is rotatably connected with the front frame (3), one ends, far away from each other, of the two front axles (4) are fixedly connected with front rims (5), and front tires (6) are fixedly connected to the circumferential sides of the front rims (5); rear frames (8) are symmetrically and vertically fixed on the bottom surface of the rear frame plate (7), a rear axle (9) is horizontally arranged in the bottom end of the rear frame (8), the rear axle (9) is rotatably connected with the rear frame (8), one ends, far away from each other, of the two rear axles (9) are fixedly connected with rear rims (10), and rear tires (11) are fixedly connected to the circumferential sides of the rear rims (10);
displacement sensor (13) are fixed with in the installation of casing (1) bottom surface center, and main control unit (12) are installed at casing (1) inside center, and displacement sensor (13) pass through circuit connection with main control unit (12).
2. A road flatness detection system as claimed in claim 1, wherein: a first rotating shaft (14) is horizontally fixed at the bottom end inside the shell (1), one end of the first rotating shaft (14) penetrates through the shell (1) and is fixedly connected with the output end of a driving motor (15), and first gears (16) are symmetrically sleeved and fixed at two ends of the surface of the first rotating shaft (14); the driving motor (15) is connected with the main controller (12) through a circuit.
3. A road flatness detection system as claimed in claim 2, wherein: the two front axles (4) and the two rear axles (9) are mutually connected through a second rotating shaft (17), and a second gear (18) is fixedly sleeved on the surface of the second rotating shaft (17); the first gear (16) and the second gear (18) which correspond to each other are connected through a rack (19).
4. A road flatness detection system as claimed in claim 3, wherein: and a rotating speed sensor (20) is fixedly arranged on the surface of the second gear (18), and the rotating speed sensor (20) is connected with the main controller (12) through a circuit.
5. A road flatness detection system as claimed in claim 1, wherein: and pressure sensors (21) are arranged on the surface of the front rim (5) and the surface of the rear rim (10), and the pressure sensors (21) are connected with the main controller (12) through circuits.
6. A road flatness detection system as claimed in claim 1, wherein: the surface of the rear frame (8) is sleeved with a damping spring; the top end of the damping spring is fixedly connected with the bottom surface of the rear vehicle plate (7).
7. A road flatness detection system as claimed in claim 1, wherein: a traction assembly (22) is arranged on the surface of one side, close to the front vehicle plate (2), of the shell (1); the traction assembly (22) comprises a vertical rod (221), a cross rod (222) and a traction ring (223); the vertical rod (221) is vertically fixed on the top surface of the shell (1), a cross rod (222) is horizontally fixed at the top end of the vertical rod (221), and the other end of the cross rod (222) is fixedly connected with the traction ring (223).
8. The method of detecting a road flatness detecting system according to any one of claims 1-7, including the steps of:
s1: selecting a test road section with the length of 200m, and requiring no obvious pits and damages on the test road section;
s2: setting warning marks on the roads at two ends of the test road section;
s3: cleaning the test road section to remove dirt on the surface of the test road section;
s4: fixing an initial pile rod at one end of the test road section, marking by using chalk, and fixing the pile rods at intervals of 10m until the pile rods are fixed at the other end of the test road section;
s5: adjusting the parameter settings of the displacement sensor, the pressure sensor and the rotating speed sensor to detect the displacement sensor, the pressure sensor and the rotating speed sensor once every 10 cm;
s6: the road flatness detection system is placed at an initial pile rod of a test road section, and can be directly started if the test road section is a straight road section, and is fixedly connected with a tractor through a traction assembly if the test road section is a curved road section; when the flatness detection is carried out, the speed of the road flatness detection system is kept at 5Km/h as much as possible;
s7: when each pile rod passes through, the main controller calculates data collected by the displacement sensor and the pressure sensor to obtain a standard deviation of road flatness, and the standard deviation can represent the road flatness from the initial pile rod to the calculated pile rod;
s8: and when the pile rod is finished, the test is finished, and the data acquired by the displacement sensor and the pressure sensor are calculated through the main controller to obtain the standard deviation of the whole road flatness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093743.8A CN112900210A (en) | 2021-01-22 | 2021-01-22 | Road flatness detection method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093743.8A CN112900210A (en) | 2021-01-22 | 2021-01-22 | Road flatness detection method and system |
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| CN112900210A true CN112900210A (en) | 2021-06-04 |
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| CN202110093743.8A Pending CN112900210A (en) | 2021-01-22 | 2021-01-22 | Road flatness detection method and system |
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