Road quality detection device
By designing a road quality detection device, which uses measuring blocks and magnetic blocks to simulate the driving state of a car, and combines an amplification board and resistance strips to detect road smoothness, the problem of large detection error and inability to simulate bumps at different vehicle speeds in existing technologies has been solved, and high-precision road smoothness assessment has been achieved.
Patent Information
- Application Number
- CN202520480509.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
In existing technologies, road smoothness detection has large errors and cannot simulate bumpy conditions at different vehicle speeds, affecting the stability and comfort of vehicle driving.
A road quality detection device was designed, including a measuring block, a measuring plate, an amplifying plate, and a magnetic block. The movement of the measuring block and the force of the magnetic block simulate the driving state of a car. The amplifying plate and the resistance strip are used to detect the road smoothness and simulate the bumpy conditions at different vehicle speeds.
It improves the accuracy and simulation of road smoothness detection, enabling accurate assessment of road smoothness at different vehicle speeds, thus ensuring the stability and comfort of driving.
Smart Images

Figure CN223907307U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road quality detection technical field, concretely is a road quality detection device. BACKGROUND
[0002] Road quality needs to be detected after road construction to determine whether the road meets the acceptance standard, and in addition to hole sampling detection on the road, the road flatness is also a very important detection standard, and the flatness is very important for the stability and comfort of automobile driving. The road flatness is mainly detected by a three-meter ruler at present, and the three-meter ruler is placed on the measured road surface during measurement, and then the maximum distance between the three-meter ruler and the measured road surface is observed. The measurement method has large error, and the bumping condition of the automobile at different speeds cannot be felt. UTILITARIAN CONTENT
[0003] The utility model aims at providing a road quality detection device to solve the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a road quality detection device, including the measurement block, the measurement block can switch in the static state and the mobile state, when the measurement block is affected by external force, switch into the mobile state, the road quality detection device still includes have;
[0005] The measurement plate is inserted into the upper end of the measurement plate, and the magnet block is subjected to vertical force for simulating the driving state of the automobile on the road to detect the quality of the road.
[0006] The amplification plate is located on the right side of the measurement plate, and the amplification plate can amplify the vertical movement distance of the measurement plate to make the detection value more accurate.
[0007] The magnet block is inserted into the upper end of the measurement plate, and the magnet block is subjected to vertical force for simulating the driving state of the automobile on the road to detect the quality of the road.
[0008] Preferably, the measurement block is a cross-shaped structure, and when the measurement block is affected by external force, the measurement block moves along the horizontal direction, and the measurement block drives the measurement plate to move together.
[0009] Preferably, the right side of the measurement plate is provided with a driving tooth, the amplification plate is a fan-shaped structure, the side end of the amplification plate is provided with a meshing tooth, and the driving tooth and the meshing tooth are engaged.
[0010] Preferably, the road quality detection device further comprises a support frame, a guide frame is fixedly connected in the middle of the support frame, a guide groove is arranged in the middle of the guide frame, the guide groove is a cross-shaped structure, the measuring block is slidably connected in the guide groove, traction ropes are fixedly connected to both ends of the measuring block, pull rings are arranged at the top ends of the traction ropes, a measuring wheel is rotatably connected to the lower end of the measuring plate, and a resistance strip is fixedly connected to the upper end of the measuring block.
[0011] Preferably, the support frame is an inverted U-shaped structure, a magnet strip is arranged on the inner wall of the upper end of the support frame, the length of the magnet strip is the same as the length of the guide groove, the magnet block is located directly below the magnet strip, and the magnetic poles of the magnet block and the magnet strip are oppositely arranged to apply a downward force to the magnet block.
[0012] Preferably, a pointer is fixedly connected to the right end of the amplification plate, a conductive contact is fixedly connected to the front end of the pointer, the resistance strip is in an arc-shaped structure, the conductive contact abuts against the resistance strip, and the resistance strip and the conductive contact are connected to the power supply respectively.
[0013] Compared with the prior art, the road quality detection device has the following beneficial effects: the measuring block is moved by the traction ropes, the measuring wheel abuts against the road surface, when the road is uneven, the measuring plate will simulate the bumping of the car, thereby moving upward, the amplification plate amplifies the bumping, the conductive contact and the resistance strip are used in cooperation to simulate a sliding resistor, the bumping of the road is detected, the size of the traction force is changed, thereby adjusting the moving speed of the measuring block, and the bumping of the road under different driving speeds of the vehicle is simulated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a connection diagram of the detection device.
[0015] Fig. 2 It is a three-dimensional connection diagram of the measuring block and the measuring plate.
[0016] In the drawing: 1 support frame, 2 guide frame, 3 measuring block, 4 measuring plate, 5 measuring wheel, 6 magnet strip, 7 traction rope, 8 guide groove, 9 magnet block, 10 driving tooth, 11 amplification plate, 12 meshing tooth, 13 pointer, 14 conductive contact, 15 resistance strip.
[0017] 1 support frame 1, 2 guide frame 2, 3 measuring block 3, 4 measuring plate 4, 5 measuring wheel 5, 6 magnet strip 6, 7 traction rope 7, 8 guide groove 8, 9 magnet block 9, 10 driving tooth 10, 11 amplification plate 11, 12 meshing tooth 12, 13 pointer 13, 14 conductive contact 14, 15 resistance strip 15. DETAILED DESCRIPTION
[0018] In order to deepen the understanding and understanding of the utility model, the technical solutions in the utility model embodiments will be clearly and completely described and introduced in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and do not limit the embodiments in any form. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0019] Please refer to Figs. 1-2 The utility model provides a technical scheme: a road quality detection device, including measurement block 3, measurement block 3 can switch in stationary state and mobile state, when measurement block 3 is subjected to external force, switch into mobile state, its characterized in that: the road quality detection device still includes has;
[0020] Measuring plate 4, both ends of measuring plate 4 are inserted through measurement block 3, measuring plate 4 and measurement block 3 are slidingly connected, measuring plate 4 can move in horizontal direction and vertical direction, and the flatness of road is measured;
[0021] Amplification plate 11, amplification plate 11 is located at the right side of measuring plate 4, amplification plate 11 can amplify the vertical moving distance of measuring plate 4, so that the detection value is more accurate;
[0022] Magnet block 9, magnet block 9 is inserted in the upper end of measuring plate 4, magnet block 9 is subjected to vertical force, for simulating the driving state of automobile on road, and the quality of road is detected.
[0023] Measurement block 3 is cross-shaped structure, when measurement block 3 is subjected to external force, measurement block 3 moves along horizontal direction, measurement block 3 drives measuring plate 4 to move together, the right side of measuring plate 4 is equipped with driving tooth 10, amplification plate 11 is fan-shaped structure, the side end of amplification plate 11 is equipped with occlusion tooth 12, driving tooth 10 and occlusion tooth 12 are meshed connection, when measurement block 3 is pulled to move horizontally, measuring plate 4 will occur vertical movement because of the unevenness of road, measuring plate 4 drives amplification plate 11 to rotate through meshing transmission when moving, so that the flatness of road is measured.
[0024] The road quality detection device further comprises a support frame 1, a guide frame 2 is fixedly connected to the middle of the support frame 1, a guide groove 8 is arranged in the middle of the guide frame 2, the guide groove 8 is in a cross-shaped structure, a measuring block 3 is slidingly connected in the guide groove 8, traction ropes 7 are fixedly connected to both ends of the measuring block 3, a pull ring is arranged at the top end of the traction rope 7, a measuring wheel 5 is rotatably connected to the lower end of a measuring plate 4, a resistance strip 15 is fixedly connected to the upper end of the measuring block 3, the support frame 1 is in an inverted U-shaped structure, a magnet strip 6 is arranged on the inner wall of the upper end of the support frame 1, the length of the magnet strip 6 is the same as the length of the guide groove 8, a magnet block 9 is located directly below the magnet strip 6, the magnetic poles of the magnet block 9 and the magnet strip 6 are oppositely arranged, for exerting a downward force on the magnet block 9, a pointer 13 is fixedly connected to the right end of a magnifying plate 11, a conductive contact 14 is fixedly connected to the front end of the pointer 13, the resistance strip 15 is in an arc-shaped structure, the conductive contact abuts against the resistance strip 15, the resistance strip 15 and the conductive contact 14 are respectively connected with a power supply, when the road quality is detected, the measuring block 3 is pulled to move horizontally through the traction rope 7, because the magnetic poles of the magnet strip 6 and the magnet block 9 are opposite, the magnet strip 6 repels the magnet block 9, so that the measuring wheel 5 tightly abuts against the ground, simulating the driving of a vehicle, when the measuring block 3 moves quickly, because the road is uneven, the measuring plate 4 moves up and down due to the bumping in the moving process of the measuring block 3, the magnifying plate 11 amplifies the moving distance of the measuring plate 4, the conductive contact 14 and the resistance strip 15 are used in cooperation to simulate a sliding resistor, the bumping condition of the road is detected, and whether the flatness of the road meets the requirements under different vehicle speeds is judged.
[0025] Although the embodiments of the utility model have been shown and described, it needs to be emphasized that: the above description is only the introduction and description of the use mode of the embodiments of the utility model, and is not any form of limitation on the utility model. Those skilled in the art can understand that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A road quality detection device comprising a measuring block, the measuring block being switchable between a stationary state and a moving state, the measuring block being switched into the moving state when the measuring block is subjected to an external force, characterized in that: The road quality detection device further comprises The measuring plate is connected with the measuring block in a sliding mode, and can move in horizontal and vertical directions to measure the flatness of the road. The amplification plate is located at the right side of the measuring plate, and can amplify the vertical moving distance of the measuring plate to make the detection value more accurate. The magnet block is inserted into the upper end of the measuring plate, and is subjected to vertical force to simulate the driving state of the automobile on the road and detect the quality of the road.
2. The road quality detection device according to claim 1, characterized in that: The measuring block is in a cross-shaped structure, and moves along the horizontal direction when subjected to external force, and drives the measuring plate to move.
3. The road quality detection device according to claim 1, characterized in that: The right side of the measuring plate is provided with a driving tooth, the amplification plate is in a fan-shaped structure, the side end of the amplification plate is provided with a meshing tooth, and the driving tooth and the meshing tooth are in meshing connection.
4. The road quality detection device according to claim 1, characterized in that: The road quality detection device further comprises a support frame, the middle of the support frame is fixedly connected with a guide frame, the middle of the guide frame is provided with a guide groove, the guide groove is in a cross-shaped structure, the measuring block is connected with the guide groove in a sliding mode, both ends of the measuring block are fixedly connected with a traction rope, the top end of the traction rope is provided with a pull ring, the lower end of the measuring plate is rotatably connected with a measuring wheel, and the upper end of the measuring block is fixedly connected with a resistance strip.
5. The road quality detection device according to claim 4, characterized in that: The support frame is in an inverted U-shaped structure, the inner wall of the upper end of the support frame is provided with a magnet strip, the length of the magnet strip is the same as that of the guide groove, the magnet block is located directly below the magnet strip, the magnetic poles of the magnet block and the magnet strip are oppositely arranged to apply downward force to the magnet block.
6. The road quality detection device according to claim 4, characterized in that: The right end of the amplification plate is fixedly connected with a pointer, the front end of the pointer is fixedly connected with a conductive contact, the resistance strip is in an arc-shaped structure, the conductive contact abuts against the resistance strip, and the resistance strip and the conductive contact are respectively connected with a power supply.