Road flatness measuring device
By designing a highway smoothness measuring device that includes support rods, measuring wheels, feedback components, and guard components, the problems of easy damage to measuring components and measurement interruption were solved, achieving more efficient and stable measurement results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-04-10
AI Technical Summary
The existing continuous flatness meter's measuring components are in direct contact with the ground, making them susceptible to damage from gravel, reducing the device's lifespan, and unable to continue measuring when one set of measuring structures fails.
A highway smoothness measuring device was designed, comprising a vehicle body, a measuring structure, a feedback component, and a barrier component. The measuring structure consists of a support rod, a measuring wheel, a support frame, and a pad. The feedback component achieves stable data transmission through sensors and a feedback module. The barrier component prevents gravel from contacting the measuring wheel through a baffle plate, and multiple sets of measuring structures are provided for backup.
It improves the stability and lifespan of the measuring device, prevents damage from gravel, ensures that measurements can continue even when a set of measuring structures fails, and enhances the continuity and reliability of measurements.
Smart Images
Figure CN224106253U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to highway surveying technical field, especially a highway flatness measuring device. BACKGROUND
[0002] Flatness is one of the core indexes of highway engineering quality acceptance, and the pavement with poor flatness is easy to cause vehicle bumping and difficult control, especially when driving at high speed, which may cause skidding or loss of control and increase the risk of traffic accidents, so it is necessary to measure the flatness of the pavement after the completion of highway construction, and the continuous flatness detector is usually used to detect the flatness of the pavement, and the measuring assembly of the existing continuous flatness detector directly contacts the ground, and the front end of the measuring assembly has no barrier, so that the pavement has small stones, and when the measuring assembly directly contacts the stones, a large stress is generated, which may damage the measuring assembly and reduce the service life of the measuring device. SUMMARY
[0003] In view of the technical problems in the background art, the utility model aims to provide a highway flatness measuring device, which can make the measuring process more efficient and stable and prolong the service life of the measuring device.
[0004] To achieve the above-mentioned purpose, the utility model provides the technical scheme as follows:
[0005] A highway flatness measuring device, comprising a vehicle body and a measuring structure, the measuring structure is arranged at the lower end of the vehicle body, the measuring structure comprises a support rod, a measuring assembly and a feedback assembly, the feedback assembly is arranged at the lower end of the vehicle body, the measuring assembly comprises a measuring wheel, a support frame and a backing plate, the support frame and the support rod are hinged, the backing plate and the support frame are hinged, the measuring wheel is rotatably arranged at one end of the support frame, the measuring wheel is supported on the ground, and the backing plate and the feedback assembly abut.
[0006] Preferably, a storage assembly is arranged on the support rod, the storage assembly comprises a limiting plate and a plug-in piece, the upper end of the limiting plate is connected with the support rod, and the lower end is arranged on one side of the support frame, the plug-in piece is connected with the lower end of the limiting plate, and the support frame is supported on the plug-in piece by rotating the support frame.
[0007] Preferably, the feedback assembly comprises a sensor, the sensor is arranged at the lower end of the vehicle body, and the backing plate and the sensor abut when the measuring wheel is supported on the ground.
[0008] Preferably, the feedback assembly further comprises a feedback module, the upper end of the vehicle body is provided with a clamping groove, the feedback module is arranged in the clamping groove, and the feedback module and the sensor are electrically connected.
[0009] As preferred, a plurality of rotating wheel sets are arranged around the vehicle body, each rotating wheel set comprising a connecting frame and a plurality of rotating wheels connected to the connecting frame, and the connecting frame is detachably connected to the vehicle body.
[0010] As preferred, a plurality of blocking assemblies are arranged on the vehicle body in an inclined manner, and the blocking assemblies are arranged at the front end of the running direction of the vehicle body, each blocking assembly comprising a blocking block and a blocking plate, and one end of the blocking block is provided with a sliding groove, and the blocking plate is slidably arranged in the sliding groove.
[0011] As preferred, each blocking assembly further comprises an elastic member, and the elastic member is arranged in the sliding groove, and one end of the elastic member is connected to the blocking plate.
[0012] As preferred, one end of the vehicle body is provided with a handle for pushing the vehicle body to move.
[0013] The utility model has the advantages and beneficial effects that:
[0014] In the utility model, at least two groups of measuring structures are arranged below the vehicle body, when the two groups of measuring structures work at the same time, the flatness of the road surface can be measured in a large range, when one of the groups of measuring structures fails, the other group of measuring structures can work stably, so that the situation that the measurement cannot be carried out due to the failure of the measuring structure is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model provides a kind of highway flatness measuring device structural diagram.
[0016] Figure 2 The utility model provides a kind of highway flatness measuring device vehicle body, measuring structure and blocking assembly connection schematic view.
[0017] Figure 3 The utility model provides a kind of highway flatness measuring device measuring structure and storage assembly connection schematic view.
[0018] Figure 4 The utility model provides a kind of highway flatness measuring device blocking assembly sectional view.
[0019] Figure 5 The utility model provides a kind of highway flatness measuring device measuring wheel working state schematic view.
[0020] Figure 6 The utility model provides a kind of highway flatness measuring device measuring wheel storage state schematic view.
[0021] Marked: 1 - vehicle body, 101 - handle, 102 - clamping groove, 2 - rotating wheel group, 21 - connecting frame, 22 - rotating wheel, 3 - measuring structure, 31 - support rod, 32 - support frame, 33 - measuring wheel, 34 - backing plate, 4 - feedback assembly, 41 - feedback module, 42 - sensor, 5 - blocking assembly, 51 - blocking block, 511 - sliding groove, 52 - blocking plate, 521 - inclined groove, 53 - elastic piece, 6 - storage assembly, 61 - limiting plate, 62 - plug-in piece, 611 - through hole. DETAILED DESCRIPTION
[0022] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.
[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.
[0024] EMBODIMENT
[0025] As shown in Figure 1 , Figure 2 , Figure 5 , Figure 6 A highway flatness measuring device, comprising a vehicle body 1 and a measuring structure 3, a plurality of rotating wheel groups 2 are arranged around the vehicle body 1, the rotating wheel group 2 comprises a connecting frame 21 and a plurality of rotating wheels 22 connected with the connecting frame 21, at least two rotating wheels 22 are contained in one rotating wheel group 2, which can greatly increase the stability of the device when moving, prevent the device from shaking when moving, the connecting frame 21 and the vehicle body 1 are detachably connected by bolts, and the device is designed in a detachable manner. When the measuring device is needed, the parts of the device are transported to the measuring point by the vehicle and then connected by the bolts. If a rotating wheel 22 fails, the faulty rotating wheel 22 can be timely detached for detection or replacement. One end of the vehicle body 1 is provided with a handle 101 for pushing the vehicle body 1 to move. The worker holds the handle 101 and pushes the measuring device to move to measure the highway flatness.
[0026] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6As shown, the measuring structure 3 is arranged at the lower end of the vehicle body 1, the measuring structure 3 comprises a support rod 31, a measuring assembly and a feedback assembly 4, the feedback assembly 4 is arranged at the lower end of the vehicle body 1, the measuring assembly comprises a measuring wheel 33, a support frame 32 and a pad plate 34, the support rod 31 is arranged at the lower end of the vehicle body 1, the support frame 32 is hinged to the support rod 31, the pad plate 34 is hinged to the support frame 32, the measuring wheel 33 is rotatably arranged at one end of the support frame 32, the pad plate 34 is arranged at the other end of the support frame 32, the feedback assembly 4 comprises a sensor 42 and a feedback module 41, the sensor 42 adopts a displacement sensor 42 (for example, a displacement sensor 42 with a model number of HDC3), the principle of the displacement sensor 42 is that the displacement of an object causes the resistance change of the moving end of a potentiometer, and the change amount of the resistance reflects the value of the displacement, the sensor 42 is arranged at the lower end of the vehicle body 1, when the measuring wheel 33 is supported on the ground, the pad plate 34 and the sensor 42 abut, the pad plate 34 is made of a magnetic material, the pad plate 34 can be adsorbed on the sensor 42 through magnetic force, so that the connection between the two is more stable, when the measuring wheel 33 moves on the flat ground, the resistance value of the sensor 42 tends to a relatively stable change range (because the ground cannot be absolutely flat), if the flatness of the ground changes, the position of the measuring wheel 33 will change, thereby the support frame 32 rotates on the support rod 31, the distance between the pad plate 34 and the sensor 42 changes, the pad plate 34 jacks up towards the sensor 42 or pulls the sensor 42 downward, finally causing the resistance value of the sensor 42 to fluctuate greatly, the pad plate 34 and the sensor 42 are magnetically connected, after being connected, when the distance between the two changes, the two will not be separated from each other, the feedback module 41 is electrically connected with the sensor 42, the feedback module 41 can be a computer or an electronic element with a display screen, the feedback module 41 is used for receiving the resistance value change of the sensor 42 and storing the change value in the feedback module 41, the upper end of the vehicle body 1 is provided with a clamping groove 102, the feedback module 41 is arranged in the clamping groove 102, the feedback module 41 in the prior art is directly placed on the vehicle body 1, when the rotating wheel 22 or the measuring wheel 33 collides with the road gravel, the vehicle body 1 will shake, the feedback module 41 has the risk of falling off the vehicle body 1, after the clamping groove 102 is arranged, the feedback module 41 is directly placed in the clamping groove 102, so that the support process of the feedback module 41 is more stable, without affecting the normal work of the feedback module 41, while avoiding the falling of the feedback module 41.
[0027] As Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6As shown, at least two groups of measuring structures 3 are arranged below the vehicle body 1, when the two groups of measuring structures 3 work simultaneously, the flatness of the road can be measured in a larger range, when one group of measuring structures 3 fails, the other group of measuring structures 3 can work stably, avoiding the situation that the measurement cannot be carried out because the measuring structure 3 fails.
[0028] As shown in the drawings, Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 As shown, the support rod 31 is provided with a storage assembly 6, the storage assembly 6 includes a plurality of limiting plates 61 and a plug-in piece 62, the upper end of the limiting plate 61 is connected with the support rod 31, and the limiting plate 61 is arranged on both sides of the support rod 31 respectively, the lower end of the limiting plate 61 is arranged on one side of the support frame 32, the plug-in piece 62 is connected with the lower end of the limiting plate 61, the lower end of the limiting plate 61 is provided with a through hole 611, the plug-in piece 62 is C-shaped, the plug-in piece 62 is inserted into the through hole 611, when the measuring structure 3 is not used, the support frame 32 is rotated to make the measuring wheel 33 away from the ground, when the support frame 32 is parallel with the lower end of the limiting plate 61, the plug-in piece 62 is inserted into the through hole 611, the bottom of the support frame 32 is supported on the plug-in piece 62, when running to the road section without measurement, the measuring assembly can be stored, avoiding the situation that the measuring assembly continuously contacts with the ground, and then increasing the wear condition of the measuring wheel 33, when measurement is needed, the plug-in piece 62 is pulled out from the through hole 611, the support frame 32 is rotated, and the measuring wheel 33 is supported on the ground.
[0029] As shown in the drawings, Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6As shown, the vehicle body 1 is provided with a blocking assembly 5, the blocking assembly 5 is arranged at the front end of the running direction of the vehicle body 1, and the blocking assembly 5 is arranged obliquely, the blocking assembly 5 comprises a block 51, an elastic member 53 and a baffle 52, one end of the block 51 is provided with a sliding groove 511, the baffle 52 is slidably arranged in the sliding groove 511, the bottom end of the baffle 52 is provided with an inclined groove 521, the elastic member 53 is arranged in the sliding groove 511, the elastic member 53 is a spring, one end of the elastic member 53 is connected with the baffle 52, after the baffle 52 is connected with the block 51, the baffle 52 extends from one end of the block 51, the other end is stretched by the elastic member 53, in the initial state (the baffle 52 does not contact the gravel), the spring is continuously stretched, when the vehicle body 1 moves, the spring does not make the baffle 52 shake back and forth in the sliding groove 511, the bottom of the baffle 52 is arranged obliquely towards the movement direction of the vehicle body 1, because there are some gravels on the road surface, and the color of the gravel is consistent with the road surface and is difficult to be perceived, after the blocking assembly 5 is arranged, when the measuring device operates, the baffle 52 will block the gravel and push the gravel to move together, so that the measuring assembly is prevented from contacting the gravel, and the gravel damages the measuring wheel 33, when the gravel with large quality or embedded in the ground is encountered, the gravel contacts the inclined groove 521 at the bottom end of the baffle 52, so that the baffle 52 compresses the spring and moves towards the inside of the block 51, the worker can judge whether the ground has gravel by observing the contraction of the baffle 52, and further prevent the gravel from damaging the measuring wheel 33.
[0030] Working principle: first, the vehicle body 1 is transported to the designated measuring position, the connecting frame 21 is connected to the lower end of the vehicle body 1, the rotating wheel 22 is in contact with the ground, the baffle 52 is in abutment with the ground, the plug-in piece 62 is pulled out from the through hole 611, the supporting frame 32 is rotated, the measuring wheel 33 is in contact with the ground, and the pad plate 34 is adsorbed on the sensor 42, then the feedback module 41 is put into the clamping groove 102, and the worker holds the handle 101 to push the vehicle body 1 to move, so that the flatness of the road is measured.
[0031] The preferred embodiment of the utility model has been described, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A highway evenness measuring device, characterized by, The utility model provides a vehicle body and measuring structure, measuring structure sets up in the lower extreme of vehicle body, measuring structure includes support rod, measuring assembly and feedback assembly, feedback assembly sets up in the lower extreme of vehicle body, measuring assembly includes measuring wheel, support frame and backing plate, support frame and support rod articulate, backing plate and support frame articulate, measuring wheel rotatable setting in one end of support frame, measuring wheel supports on the ground, and backing plate and feedback assembly abut.
2. A highway evenness measuring device according to claim 1, wherein The support rod is provided with a receiving assembly, the receiving assembly includes a limiting plate and a plug-in piece, the upper end of the limiting plate is connected with the support rod, the lower end of the limiting plate is arranged on one side of the support frame, and the plug-in piece is connected to the lower end of the limiting plate; the support frame is rotated to be supported on the plug-in piece.
3. A highway evenness measuring device according to claim 1, wherein The feedback assembly includes a sensor, the sensor is arranged at the lower end of the vehicle body, and the backing plate and the sensor abut when the measuring wheel is supported on the ground.
4. A highway evenness measuring device according to claim 3, wherein The feedback assembly further includes a feedback module, the upper end of the vehicle body is provided with a clamping groove, the feedback module is arranged in the clamping groove, and the feedback module and the sensor are electrically connected.
5. The highway evenness measuring device of claim 1 wherein, The vehicle body is provided with a plurality of rotating wheel groups around the vehicle body, the rotating wheel group includes a connecting frame and a plurality of rotating wheels connected with the connecting frame, and the connecting frame and the vehicle body are detachably connected.
6. A highway evenness measuring device according to claim 1, wherein The vehicle body is provided with a blocking assembly, the blocking assembly is arranged at the front end of the running direction of the vehicle body, the blocking assembly includes a stop block and a baffle, one end of the stop block is provided with a sliding groove, and the baffle is slidably arranged in the sliding groove.
7. A highway evenness measuring device according to claim 6, wherein The blocking assembly further includes an elastic member, the elastic member is arranged in the sliding groove, and one end of the elastic member is connected with the baffle.
8. A highway evenness measuring device according to claim 7, wherein, One end of the vehicle body is provided with a handle for pushing the vehicle body to move.