CN220647423U - Leveling device and measuring instrument - Google Patents

Abstract

The utility model discloses a leveling device and a measuring instrument, which relate to the technical field of engineering measurement and include a hinge, a hinge support, a positioning platform and a leveling platform provided with a leveling assembly; the positioning platform is provided with a through-hole slot, the hinged support is installed in the through slot through the moving assembly, the hinged support is hollow and has a running slot coaxial with the through slot at the bottom; the hinge is installed on the leveling platform, and The hinged support is universally installed in the hinged support; a laser transmitter is connected to the hinged member; the hinged support and the leveling platform move under the action of the moving assembly so that the laser emitted by the laser transmitter passes through the through slot and through slot, and coincides with the set measurement and monitoring points. It has an ingenious structure and is easy to operate.

Description

A leveling device and measuring instrument

Technical field

The utility model belongs to the technical field of engineering measurement, and specifically relates to a leveling device and a measuring instrument.

Background technique

The construction of buildings, tunnels, roads and bridges, etc. are all inseparable from engineering measurement. It is one of the important links in engineering construction. No matter in the early, middle or late stages of construction stakeout and monitoring, measurement is required, and the measurement data must be Accuracy will directly affect the smooth progress and construction quality of the project, and provide necessary data support for construction. Common engineering surveying instruments include levels, theodolite, total stations, etc. These instruments need to be leveled before measurement, otherwise measurement errors will occur and affect the accuracy of the data. The traditional leveling method is manual leveling, but the steps are cumbersome and inefficient.

The Chinese patent application number CN201821729849.2 discloses a leveling mechanism for a GPS-RTK measuring instrument, which includes a measuring instrument body and a tripod arranged on the lower side of the measuring instrument body. A leveling mechanism is provided between the measuring instrument body and the tripod. , the leveling mechanism includes a support column fixed on the tripod. An adjustment platform is provided on the upper end of the support column. The adjustment platform is equipped with a calibration leg and 2 adjustment legs. The outer surface of the adjustment platform is equipped with an adjustment leg that matches the adjustment leg. The drive motor, the calibration leg and the adjustment leg are connected to the support plate. The upper end of the support plate is fixedly installed with the measuring instrument body. The lower end of the support plate is equipped with an inclination sensor and a controller. The controller is electrically connected to the inclination sensor and the drive motor. .

Although the above solution can achieve automatic leveling, the measuring instrument body will deviate from the set measurement and monitoring points after leveling, thus affecting the monitoring effect.

Utility model content

In view of the deficiencies in the prior art, the utility model provides a leveling device and a measuring instrument, which can realize automatic leveling and allow the measuring instrument to coincide with the set measurement and monitoring points after leveling.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

In a first aspect, a leveling device is provided, which includes a hinge, a hinge support, a positioning platform and a leveling platform provided with a leveling assembly; the positioning platform is provided with a through groove, and the hinge support moves through The component is installed in the through-groove, and the hinged support is hollow and has a running groove coaxial with the through-groove at the bottom; the hinge is provided on the leveling platform and is universally installed in the hinged support; A laser emitter is connected to the hinge; the hinge support and the leveling platform move under the action of the moving assembly, so that the laser emitted by the laser emitter passes through the through groove and the through groove, and is compared with the set measurement monitoring Points overlap.

Preferably, the leveling assembly includes an angle sensor, a controller and a gyroscope; the detection output signal of the angle sensor is connected to the controller; and the controller acts on the power motor of the gyroscope.

Preferably, there are multiple gyroscopes, and each of them is located at the edge of the leveling platform; a cavity is provided inside the leveling platform, and the leveling assembly is located in the leveling platform.

Preferably, both the leveling platform and the positioning platform are triangular prism structures; there are three gyroscopes, and they are respectively located at three corners of the leveling platform; the through groove is located at the center of the cross section of the positioning platform; the hinge joint The hinge is located in the center of the leveling platform; the hinge is a spherical hinge, and the outside of the hinge support is provided with a fixing piece that can resist the outer surface of the hinge.

Preferably, the leveling platform is also provided with a power supply, a power switch, a pressure sensor and connecting screws; the pressure sensor and connecting screws are arranged on the mounting surface of the leveling platform and are opposite to the surface where the hinge is located; The power supply is located in the leveling platform, and the power switch is located on a surface adjacent to the mounting surface of the leveling platform.

Preferably, the moving component includes a hollow linear track and a rotating ring track; the rotating ring track is rotatably connected to the inner wall of the through groove; the hollow linear track is installed on the inner wall of the rotating ring track; and the hinged support is slidably connected to the inner wall of the through groove. On a hollow straight track.

Preferably, a first threaded hole transversely penetrating the positioning platform is provided on the inner wall of the through-groove; a first limiting bolt is threadedly installed in the first threaded hole; the depth of the first limiting bolt is adjusted, It can limit or release the limit on the rotation of the rotating ring track.

Preferably, at least one pillar is provided on the hinged support; the pillar is slidingly connected on the hollow linear track; a limiting component is installed on the pillar; the limiting component includes an "x"-shaped connecting arm, an Two limiting bolts and mounting blocks; the mounting block is fixed on the end of the hollow linear track, and the four free ends of the connecting arm are respectively hinged on the mounting block and the pillar; one of the free ends of the connecting arm passes through the third A slide block is slidably connected to the pillar; the other free end of the connecting arm is slidably connected to the mounting block through a second slide block; the second limiting bolt is threadedly connected to the mounting block, and one end extends out of the mounting block and connects to the third The two slide blocks are connected by rotation.

Preferably, three telescopic support legs are installed on the positioning platform.

A second aspect provides a measuring instrument, including the leveling device according to any one of the above first aspects and a measuring instrument body, where the measuring instrument body is connected to a leveling platform.

The beneficial effects of this utility model are:

(1) The leveling platform includes a leveling component, which can realize automatic leveling of the leveling platform. The leveling platform and the positioning platform are connected through a hinge and a hinge support. A laser transmitter is connected to the hinge, and the hinge support can It moves with the assistance of the moving component, so that the laser emitted by the laser transmitter passes through the through groove and the through groove, and coincides with the set measurement and monitoring point. It has an ingenious structure and is easy to operate.

(2) Use the retractable support legs to roughly level the positioning platform, and use the leveling assembly to achieve high-precision, fully automatic leveling. The leveling accuracy is high and the leveling operation is reliable.

(3) Setting the first limit bolt and the second limit bolt can limit the position of the hinged support, thereby ensuring the stability of the monitoring process and improving the monitoring effect.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the leveling device in the present utility model;

Figure 2 is a perspective view of the internal structure of the leveling platform of the present utility model;

Figure 3 is a schematic structural diagram of the positioning platform in the present utility model;

Figure 4 is an enlarged structural schematic diagram of the hinged support in the present utility model;

Figure 5 is a schematic structural diagram of the limiting component of the present utility model.

The marks in the figure are: 1 is the positioning platform, 2 is the leveling platform, 21 is the angle sensor, 22 is the controller, 23 is the gyroscope, 231 is the power motor, 24 is the connecting screw, 25 is the pressure sensor, 26 is the power supply, 27 is the power switch, 3 is the hinge, 31 is the laser transmitter, 4 is the hinged support, 41 is the fixed part, 42 is the pillar, 5 is the rotating ring track, 51 is the first limit bolt, and 6 is the hollow linear track. , 7 is the limiting component, 71 is the connecting arm, 72 is the mounting block, 73 is the second limiting bolt, 74 is the first slider, 75 is the second slider, and 8 is the supporting leg.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings.

It should be noted that terms such as "upper", "lower", "left", "right", "front", "back", etc. cited in the utility model are only for convenience of description and are not used to describe the meaning. In order to limit the implementable scope of the present utility model, changes or adjustments in the relative relationships shall also be regarded as the implementable scope of the present utility model without substantial changes in the technical content.

Example 1

As shown in Figure 1, this embodiment provides a leveling device, which includes a hinge 3, a hinge support 4, a positioning platform 1 and a leveling platform 2 provided with a leveling assembly.

Optionally, as shown in Figure 2, the leveling assembly includes an angle sensor 21, a controller 22 and a gyroscope 23; the detection output signal of the angle sensor 21 is connected to the controller 22; the controller 22 acts Based on the power motor 231 of the gyroscope 23; the angle sensor 21 can detect the tilt angle of the leveling platform 2, and send the tilt angle to the controller 22. If the leveling platform 2 is not in a horizontal state, the controller 22 Adjust it to a horizontal state, issue a leveling command to the power motor 231, and control the gyroscope 23 to rotate at a high speed. According to the conservation of angular momentum, the gyroscope 23 will drive the leveling platform 2, causing the hinge 3 to rotate in the hinge support 4, By accurately controlling the rotation speed and tilt angle of the three gyroscopes 23, the leveling platform 2 is leveled; there are two or more gyroscopes 23, and they are respectively located at the edge of the leveling platform 2; the controller 22 can be Central microprocessor, or other common control system; the power motor 231 corresponds to the gyroscope 23 one-to-one. The controller 22 can control multiple power motors 231 to move together, or can control one of the power motors 231 to move.

Optionally, the leveling platform 2 and the positioning platform 1 are both triangular prism structures; the leveling platform 2 is provided with a cavity inside, the leveling assembly is located in the leveling platform 2, and the leveling assembly is located in the leveling platform 2. The interior of the platform 2 can prevent the leveling component from being affected by dust and other debris, thereby being suitable for different use environments; when the leveling platform 2 has a triangular prism structure, there are three gyroscopes 23, and they are located respectively on the leveling platform. Three corners of flat platform 2.

Specifically, as shown in Figures 3-4, the positioning platform 1 is provided with a through groove, and the through groove is located at the cross-sectional center of the positioning platform 1. The hinge support 4 is installed in the through groove through a moving assembly, so The hinged support 4 is hollow and has a passing groove coaxial with the through groove at the bottom; the hinged part 3 is provided on the leveling platform 2 and is universally installed in the hinged support 4; the hinged Part 3 is located in the center of the leveling platform 2; a laser emitter 31 is connected to the hinge part 3. The laser emitter 31 is located inside the hinge part 3 and the two are hinged. That is, the laser emitter 31 is under the action of its own gravity. , the laser emission direction always remains vertically downward, and the rotation of the hinge 3 has no effect on the laser emission direction of the laser transmitter 31; the hinge 3 is a spherical hinge, that is, the hinged part is spherical, and the hinge support 4 is hemispherical. ; The hinge 3 is placed in the hinge support 4, and the hinge 3 is detachably connected to the hinge support 4. Of course, the hinge 3 can also be non-detachably installed in the hinge support 4; when the adjustment After the flat platform 2 is leveled by the leveling assembly, the hinge 3 and the hinge support 4 rotate, the laser transmitter 31 always remains vertically downward, the hinge support 4, the leveling platform 2 and the hinge 3. Move under the action of the moving component to realize that the laser emitted by the laser transmitter 31 passes through the through groove and the through groove and coincides with the set measurement and monitoring point; the measurement and detection point is determined at the beginning of the measurement and is usually located on the ground.

In some other embodiments, the outside of the hinge support 4 is provided with a fixing part 41 that can resist the outer surface of the hinge part 3 . The fixing part 41 may be a spring pin or a bolt threadedly connected to the hinge support 4 , by changing the screw-in depth of the bolt, the position of the hinge 3 can be limited, thereby avoiding the relative rotation of the leveling platform 2 and the positioning platform 1 after the leveling platform 2 is leveled; the number of fixing parts 41 can be Make adjustments according to actual needs.

As shown in Figure 2, in some other embodiments, the leveling platform 2 is also provided with a power supply 26, a power switch 27, a pressure sensor 25 and a connecting screw 24; the pressure sensor 25 and the connecting screw 24 are provided on The installation surface of the leveling platform 2 is opposite to the surface where the hinge 3 is located; the power supply 26 is located in the leveling platform 2, the power switch 27 is located on the adjacent surface of the installation surface of the leveling platform 2, and the power supply 26 is the power The motor 231, laser transmitter 31, angle sensor 21, pressure sensor 25, controller 22 and other power components provide power 26; the connecting screw 24 is used to connect to the measuring instrument body, which is installed behind the leveling platform 2, and the pressure sensor 25 can detect whether the measuring instrument body is installed.

In some other embodiments, three retractable support legs 8 are installed on the positioning platform 1 to form a tripod structure. The three support legs 8 position the three corners of the platform 1 respectively, and the support legs 8 can position the platform relative to each other. 1 rotates, thereby making the three support legs 8 open or gather; the telescopic structure of the support legs 8 can be set with reference to the existing technology; the three support legs 8 can be telescopic, thereby facilitating manual rough leveling of the leveling platform 2.

Specifically, as shown in Figure 4, the moving assembly includes a hollow linear track 6 and a rotating ring track 5; the rotating ring track 5 is rotationally connected to the inner wall of the through groove; the rotating ring track 5 can rotate relative to the inner wall of the through groove. , so that the hinged support 4 rotates in the plane; the hollow linear track 6 is installed on the inner wall of the rotating ring track 5; the hollow linear track 6 refers to the upper and lower sides of the linear track being open; the hinged support 4 slides Connected to the hollow linear track 6; under the action of external force, the hinged support 4 can drive the leveling platform 2 to rotate or translate in the horizontal plane, so that the laser emitted by the laser transmitter 31 passes through the through groove and the through groove, and interacts with the equipment. The specified measurement monitoring points coincide with each other.

In some other embodiments, a first threaded hole transversely penetrating the positioning platform 1 is provided on the inner wall of the through-groove; a first limiting bolt 51 is threadedly installed in the first threaded hole; adjusting the first The depth of the limiting bolt 51 can limit or release the rotation of the rotating ring track 5 , and the end of the first limiting bolt 51 can bear against the surface of the rotating track.

In some other embodiments, as shown in Figure 5, at least one pillar 42 is provided on the hinged support 4; the pillar 42 is slidingly connected to the hollow linear track 6; a limiting component is installed on the pillar 42 7; The limiting component 7 is located in the hollow linear track 6; the limiting component 7 includes an "x" shaped connecting arm 71, a second limiting bolt 73 and a mounting block 72; the mounting block 72 is fixed on the hollow linear track 6 The four free ends of the connecting arm 71 are respectively hinged on the mounting block 72 and the pillar 42, that is, the two free ends of the connecting arm 71 are hinged on the mounting block 72, and the connecting arm 71 is hinged on the pillar 42. Two free ends; one of the free ends of the connecting arm 71 is slid up and down with the pillar 42 through the first slide block 74; the other free end of the connecting arm 71 is slid up and down with the mounting block 72 through the second slide block 75. Connection; specifically, the upper part of the installation block 72 has an opening, and a guide shaft is provided in the opening. The second slider 75 is slidingly connected to the guide shaft; the second limiting bolt 73 is threadedly connected to the installation block. 72, and one end extends out of the mounting block 72 and is rotationally connected to the second slide block 75, that is, adjusting the depth of the second limit bolt 73 screwed into the installation block 72 can make the second slide block 75 move up and down; rotating the second limit After the bolt 73 is tightened, the second slide block 75 and the first slide block 74 can be driven to move up and down, so that the X-shaped connecting arms 71 can be brought together or separated to realize the linear movement of the hinged support 4.

When in use, open the three supporting legs 8 of the positioning platform 1, adjust the height of the supporting legs 8 according to the height of the measurer and fix them, move the positioning platform 1 so that the measurement monitoring point is as close as possible to directly below the axis of the through-groove; move the measuring instrument body Install it on the upper surface of the leveling platform 2 through the connecting screws 24; place the leveling platform 2 directly above the positioning platform 1, that is, place the hinge 3 in the hinge support 4; turn on the power supply 26, and the pressure sensor 25 detects the pressure , the angle sensor 21 sends the detected tilt angle of the leveling platform 2 to the controller 22. If the leveling platform 2 is not in a horizontal state, the controller 22 issues a leveling command to the power motor 231 to control the gyroscope 23 to rotate at a high speed. , according to the conservation of angular momentum, the gyroscope 23 will drive the leveling platform 2, causing the hinge 3 to rotate in the hinge support 4. By accurately controlling the rotation speed and tilt angle of the three gyroscopes 23, the leveling platform 2 can be adjusted. After leveling, rotate the fixing part 41 so that there is no relative movement between the hinge 3 and the hinge support 4; use external force to rotate the rotating ring track 5 and move the hinge support 4, so that the laser emitted by the laser transmitter 31 passes through Pass through the through groove and through groove, and coincide with the set measurement monitoring point.

Example 2

A measuring instrument is provided, including the leveling device in Embodiment 1 and a measuring instrument body, and the measuring instrument body is connected to the leveling platform 2 .

Since the measuring instrument provided in this embodiment adopts the leveling device described in Embodiment 1, the specific structure, working principle, technical effect and assembly method of the leveling device with the measuring instrument body can be referred to Embodiment 1, which will not be discussed here. To elaborate.

The above are only preferred embodiments of the present utility model. The protection scope of the present utility model is not limited to the above-mentioned embodiments. All technical solutions falling under the idea of the present utility model belong to the protection scope of the present utility model. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications without departing from the principle of the present utility model should be regarded as the protection scope of the present utility model.

Claims (10)

1. A leveling device, characterized in that it comprises an articulated part, an articulated support, a positioning platform and a leveling platform provided with a leveling component; a through groove is formed on the positioning platform, the articulated support is installed in the through groove through a moving component, the articulated support is hollow and a through groove coaxial with the through groove is formed at the bottom; the articulated part is arranged on the leveling platform and is universally installed in the articulated support; a laser emitter is connected to the articulated part; the articulated support and the leveling platform move under the action of the moving component so that the laser emitted by the laser emitter passes through the through groove and the through groove and coincides with the set measurement monitoring point. 2. The leveling device according to claim 1, wherein the leveling component includes an angle sensor, a controller and a gyroscope; the detection output signal of the angle sensor is connected to the controller; the controller A power motor acting on the gyroscope. 3. The leveling device according to claim 2, characterized in that there are multiple gyroscopes, each of which is located at the edge of the leveling platform; a cavity is provided inside the leveling platform, and the leveling assembly Located inside the leveling platform. 4. The leveling device according to claim 2, wherein the leveling platform and the positioning platform are both triangular prism structures; there are three gyroscopes, and they are respectively located at three corners of the leveling platform; The through groove is located at the center of the cross section of the positioning platform; the hinge is located at the center of the leveling platform; the hinge is a spherical hinge, and a fixing member that can resist the outer surface of the hinge is provided on the outside of the hinge support. 5. The leveling device according to claim 1, wherein the leveling platform is further provided with a power supply, a power switch, a pressure sensor and connecting screws; the pressure sensor and connecting screws are provided on the leveling platform. The mounting surface is opposite to the surface where the hinge is located; the power supply is located in the leveling platform, and the power switch is located on the adjacent surface of the leveling platform mounting surface. 6. The leveling device according to claim 1, wherein the moving component includes a hollow linear track and a rotating ring track; the rotating ring track is rotatably connected to the inner wall of the through groove; the hollow linear track is installed on The inner wall of the rotating ring track; the hinged support is slidingly connected to the hollow linear track. 7. The leveling device according to claim 6, wherein a first threaded hole transversely penetrating the positioning platform is provided on the inner wall of the through-groove; a first limiter is threadedly installed in the first threaded hole. positioning bolt; adjusting the depth of the first limiting bolt can limit or release the rotation of the rotating ring track. 8. The leveling device according to claim 6, characterized in that at least one pillar is provided on the hinged support; the pillar is slidingly connected to the hollow linear track; a limiting component is installed on the pillar; The limiting assembly includes an "x" shaped connecting arm, a second limiting bolt and a mounting block; the mounting block is fixed at the end of the hollow linear track, and the four free ends of the connecting arm are respectively hinged on the mounting block and On the pillar; one free end of the connecting arm is slidably connected to the pillar through a first slide block; the other free end of the connecting arm is slidably connected to the mounting block through a second slide block; the second limiting bolt thread It is connected to the mounting block, and one end extends out of the mounting block and is rotatably connected to the second slide block. 9. The leveling device according to claim 1, wherein three telescopic support legs are installed on the positioning platform. 10. A measuring instrument, characterized in that it includes the leveling device according to any one of claims 1 to 9 and a measuring instrument body, and the measuring instrument body is connected to the leveling platform.