CN214502380U - Pavement structure thickness detection device based on sensor - Google Patents
Pavement structure thickness detection device based on sensor Download PDFInfo
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- CN214502380U CN214502380U CN202122297089.0U CN202122297089U CN214502380U CN 214502380 U CN214502380 U CN 214502380U CN 202122297089 U CN202122297089 U CN 202122297089U CN 214502380 U CN214502380 U CN 214502380U
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Abstract
The utility model discloses a road surface structure thickness detection device based on sensor relates to road surface thickness detection technical field, including cavity detecting tube and butt slide, the butt slide slides and sets up in the outside of cavity detecting tube, is provided with infrared distance sensor and infrared receiver in the cavity detecting tube, and the butt slide is used for driving infrared receiver and removes along the axis direction of cavity detecting tube, and the outer wall of cavity detecting tube is provided with the radar detection head, and the axial height of radar detection head on the cavity detecting tube equals the axial height of butt slide on the cavity detecting tube. The change of each layer material in road surface is analyzed through the mode of radar signal detection, so that the hierarchical structure of road surface is positioned more quickly and accurately, the thickness of each layer material is detected through the sensor, the thickness of each layer structure on the road surface is detected more accurately, and the detection error is greatly reduced.
Description
Technical Field
The utility model relates to a road surface thickness detects technical field, specifically is a road surface structure thickness detection device based on sensor.
Background
The road surface is a general term for each structural layer supported above the roadbed. The pavement structure layer generally comprises a surface layer, a base layer and a cushion layer. The road surface is not only subjected to the action of wheel load, but also affected by natural environmental factors. The influence of traffic load and atmospheric factors on the road surface is generally gradually weakened along with the depth, so that the road surface is usually of a multilayer structure, the material with good quality is laid on the upper layer with larger stress, and the material with poor quality is laid on the lower layer with smaller stress, thereby forming a road surface structure form that the material with different specifications and requirements is adopted on the roadbed, and the cushion layer, the base layer and the surface layer are respectively laid. The thickness of each layer is required to reach the required thickness, so the thickness of a structural layer is required to be measured after construction is finished, whether the laying thickness of each layer of material meets the requirements is detected, the existing detection method is a vertical detection hole method, a detection hole which vertically extends downwards is drilled on a road surface, a camera is arranged on a detection rod, the camera is stretched into the detection hole through the detection rod, the level change of the road surface structure is fed back through the camera, and then the thickness of each layer of material is read through a graduated scale on the detection rod; the above method has the following problems: firstly, because the material thickness of each layer of the pavement is read by a graduated scale, a worker reads readings for overlooking angles, so that the manual reading error is large, the detection result is inaccurate, and the thickness condition of the pavement cannot be accurately reflected; secondly, the hierarchical change of the road surface structure is shot and identified by a camera, the shooting picture of the camera is easy to be fuzzy, so that constructors cannot identify the change of each layer material of the road surface, and the influence on the thickness measurement work of the road surface is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a road surface structure thickness detection device based on sensor, through the change of each layer material of the mode analysis road surface that radar signal surveyed, make road surface hierarchy location swift more and accurate to detect the thickness of each layer material through the sensor, make each layer structure thickness on road surface detect more accurately, greatly reduced detection error.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a road surface structure thickness detection device based on sensor, includes cavity detecting tube and butt slide, the butt slide slides and sets up the outside of cavity detecting tube, be provided with infrared distance sensor and infrared receiver in the cavity detecting tube, the butt slide is used for driving infrared receiver removes along the axis direction of cavity detecting tube, the outer wall of cavity detecting tube is provided with the radar detection head, the axial height of radar detection head on the cavity detecting tube equals the axial height of butt slide on the cavity detecting tube.
Further, a circular plate is arranged in the hollow detection tube in a sliding mode, and the infrared receiver is installed on the circular plate.
Further, a sliding block is fixed on the side wall of the circular plate and is in sliding connection with the hollow detection tube.
Furthermore, the inner wall of the hollow detection tube is provided with a sliding groove along the axis direction, and the sliding block is arranged in the sliding groove in a sliding manner.
Further, a strip-shaped groove is formed in the outer wall of the hollow detection tube along the axial direction of the hollow detection tube, the strip-shaped groove is communicated with the sliding groove, a connecting rod is arranged on the abutting sliding plate, and the connecting rod penetrates through the strip-shaped groove to be connected with the sliding block.
Furthermore, the shape of connecting rod is "L" shape, butt slide and circular plate set up along the axial direction interval of cavity detection pipe, the both ends of connecting rod respectively with butt slide and circular plate fixed connection.
Further, still include the workstation, the bottom of workstation is vertical to be fixed with the cavity urceolus, the one end that the butt slide was kept away from to the cavity test tube is fixed with the slide bar, the slide bar slides and wears to establish in the cavity urceolus, be provided with the lead screw in the cavity urceolus, the lead screw rotates with the workstation to be connected, the lead screw with slide bar threaded connection, be provided with drive arrangement on the workstation, drive arrangement is used for driving the lead screw to rotate.
Further, drive arrangement includes motor case and motor, the motor case is installed on the workstation, the motor is located the motor incasement, the output shaft of motor is provided with first gear, the one end of lead screw is passed the workstation and is provided with the second gear, first gear and second gear meshing.
Furthermore, the shape of the slide bar and the shape of the inner hole of the hollow outer cylinder are both cuboids, and the outer wall of the slide bar is in contact with the inner wall of the hollow outer cylinder.
Further, a level gauge is arranged on the workbench.
The utility model has the advantages that:
the utility model provides a road surface structure thickness detection device based on sensor, the butt slide supports on the road surface, stretch into the detection hole with the cavity detection tube, the cavity detection tube drives infrared receiver through the butt slide at the in-process that stretches into and removes, the thickness that makes infrared distance sensor detect equals the length that stretches into of cavity detection tube, the rock stratum that detects the road surface through the radar detection head simultaneously changes, thereby the position of each layer material of accurate location play road surface, the thickness of cooperation infrared distance sensor detects, thereby obtain the total thickness on road surface and the thickness of each layer material, it is more accurate to make each layer structure thickness detection on road surface, greatly reduced detection error, whether the analysis of being convenient for judges the thickness of laying on road surface meets the requirements.
Drawings
Fig. 1 is a perspective view of a hollow detection tube in a pavement structure thickness detection device based on a sensor according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a hollow detection tube in the sensor-based pavement structure thickness detection device of the present invention;
fig. 3 is a schematic view of the overall structure of a sensor-based pavement structure thickness detection device of the present invention;
fig. 4 is a schematic diagram of the internal structure of the sensor-based pavement structure thickness detection device of the present invention;
in the figure, 1-hollow detection tube, 2-butt sliding plate, 3-infrared distance sensor, 4-infrared receiver, 5-radar detection head, 6-circular plate, 7-sliding block, 8-sliding groove, 9-strip groove, 10-connecting rod, 11-workbench, 12-hollow outer cylinder, 13-screw rod, 14-sliding rod, 15-motor box, 16-motor, 17-first gear, 18-second gear and 19-level gauge.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
Embodiment one, as shown in fig. 1 and 2, a sensor-based pavement structure thickness detection device includes a hollow detection tube 1 and a contact sliding plate 2, the contact sliding plate 2 is slidably disposed on the outer side of the hollow detection tube 1, an infrared distance sensor 3 and an infrared receiver 4 are disposed in the hollow detection tube 1, the contact sliding plate 2 is used for driving the infrared receiver 4 to move along the axial direction of the hollow detection tube 1, a radar detection head 5 is disposed on the outer wall of the hollow detection tube 1, referring to fig. 1, the axial height of the radar detection head 5 on the hollow detection tube 1 is equal to the axial height of the contact sliding plate 2 on the hollow detection tube 1, so that the infrared receiver 4 moves when the radar detection head 5 extends into the detection hole, the infrared distance sensor 3 detects the moving distance, and the detection depth of the radar detection head 5 is equal to the detection value of the infrared distance sensor 3, thereby more audio-visual detection degree of depth that obtains radar detection head 5, and then obtain the thickness of each layer structure in road surface, need not carry out unnecessary numerical calculation and can directly obtain the detection degree of depth, improved the agility of detection greatly, concrete detection process is: a detection hole is vertically drilled in a road surface to be detected, the butt sliding plate 2 is abutted on the road surface, so that the hollow detection tube 1 and the butt sliding plate 2 move relatively in the moving process, then the hollow detection tube 1 extends into the detection hole, the hollow detection tube 1 drives the infrared receiver 4 to move through the butt sliding plate 2 in the extending process, the thickness detected by the infrared distance sensor 3 is equal to the extending length of the hollow detection tube 1, meanwhile, the rock stratum change of the road surface is detected through the radar probe 5, the position of each layer material of the road surface is accurately positioned, a coordinate curve of the rock stratum change condition and the detection depth can be obtained by matching with the thickness detection of the infrared distance sensor, the total thickness of the road surface and the thickness of each layer material can be more accurately obtained through curve coordinates, the thickness detection of each layer structure of the road surface is more accurate, and the detection error is greatly reduced, whether the pavement thickness of the pavement meets the requirements or not is conveniently analyzed and judged; this application adopts the mode of sensor to realize the accurate detection of road surface thickness, has abandoned traditional artifical mode that detects and artifical reading, has improved the thickness detection precision on road surface, and this check out test set's detection range does not confine the road surface to simultaneously, is applicable to the thickness detection in most perpendicular exploration holes, has improved application range, detects for the thickness of material and provides comparatively accurate check out test set.
Further, as shown in fig. 2, a circular plate 6 is slidably disposed in the hollow detection tube 1, the infrared receiver 4 is mounted on the circular plate 6, a sliding block 7 is fixed on the side wall of the circular plate 6, the sliding block 7 is slidably connected with the hollow detection tube 1, a sliding groove 8 is formed in the inner wall of the hollow detection tube 1 along the self-axis direction, the sliding block 7 is slidably disposed in the sliding groove 8, a strip-shaped groove 9 is formed in the outer wall of the hollow detection tube 1 along the self-axial direction, the strip-shaped groove 9 is communicated with the sliding groove 8, a connecting rod 10 is disposed on the abutting sliding plate 2, the connecting rod 10 passes through the strip-shaped groove 9 and is connected with the sliding block 7, in specific implementation, two abutting sliding plates 2 are disposed, the two abutting sliding plates 2 are symmetrically distributed on two sides of the hollow detection tube 1, the sliding blocks 7 are symmetrically fixed on the side wall of the circular plate 6, the two abutting sliding plates 2 are respectively connected with the two sliding blocks 7 through the connecting rod 10, so as to balance the stress of the circular plate 6, facilitating smooth sliding of the circular plate 6 in the direction of the slide groove 8.
Further, the shape of connecting rod 10 is "L" shape, butt slide 2 sets up along cavity detecting tube 1's axial direction interval with circular plate 6, the both ends of connecting rod 10 respectively with butt slide 2 and circular plate 6 fixed connection, cavity detecting tube 1 internal fixation has the mounting panel, infrared distance sensor 3 sets up on the mounting panel, make through connecting rod 10 have initial interval between infrared distance sensor 3 and the infrared receiver 4, the infrared signal that the infrared receiver 4 of being convenient for is better to receive infrared distance sensor 3 and takes place.
In the second embodiment, the first embodiment of the method, as shown in fig. 3 and 4, the detection device further comprises a workbench 11, a hollow outer cylinder 12 is vertically fixed at the bottom of the workbench 11, a slide rod 14 is fixed at one end of the hollow detection tube 1 away from the abutting sliding plate 2, the slide rod 14 is slidably arranged in the hollow outer cylinder 12 in a penetrating manner, a screw rod 13 is arranged in the hollow outer cylinder 12, the screw rod 13 is rotatably connected with the workbench 11, the screw rod 13 is in threaded connection with the slide rod 14, a driving device is arranged on the workbench 11 and used for driving the screw rod 13 to rotate, the driving device comprises a motor box 15 and a motor 16, the motor box 15 is arranged on the workbench 11, the motor 16 is positioned in the motor box 15, an output shaft of the motor 16 is provided with a first gear 17, one end of the screw rod 13 penetrates through the workbench 11 and is provided with a second gear 18, the first gear 17 is meshed with the second gear 18, the shape of the slide rod 14 and the shape of an inner hole of the hollow outer cylinder 12 are cuboids, and the outer wall of the slide rod 14 is contacted with the inner wall of the hollow outer cylinder 12; through the installation and the removal of workstation 11 cavity detection tube 1 of being convenient for, specifically do: the workbench 11 is moved to the detection hole and is positioned on the moving path of the hollow detection tube 1, then the motor 16 drives the screw rod 13 to rotate through the meshing of the first gear 17 and the second gear 18, the rotational freedom degree of the hollow detection tube 1 is limited through the sliding connection between the slide rod 14 and the hollow outer cylinder 12, the slide rod 14 can only move along the axial direction of the screw rod 13, and therefore the hollow detection tube 1 is driven to stretch into the detection hole to carry out thickness detection or move out of the detection hole.
In the third embodiment, as shown in fig. 3, a level 19 is disposed on the workbench 11, because the surface of the detected road surface may be uneven, the workbench 11 needs to be leveled between detection works, so that the moving direction of the hollow detection tube 1 is parallel to the axial direction of the vertical detection hole, and the situation that the moving direction of the hollow detection tube 1 inclines the axial direction of the detection hole, which causes the hollow detection tube 1 to collide with the inner wall of the detection hole in the moving process, if the radar detection head 5 collides with the inner wall of the detection hole, the damage of the radar detection head 5 is easily caused, which affects the normal running of the road surface thickness detection, the level 19 is used to determine whether the workbench 11 is horizontally placed on the road surface, and if the workbench is inclined, the height of the corresponding support leg of the workbench 11 can be adjusted through the cushion block, thereby ensuring that the workbench 11 is in a horizontal state.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. The utility model provides a road surface structure thickness detection device based on sensor, its characterized in that, includes cavity detecting tube (1) and butt slide (2), butt slide (2) slide and set up the outside of cavity detecting tube (1), be provided with infrared distance sensor (3) and infrared receiver (4) in cavity detecting tube (1), butt slide (2) are used for driving infrared receiver (4) remove along the axis direction of cavity detecting tube (1), the outer wall of cavity detecting tube (1) is provided with radar detecting head (5), radar detecting head (5) axial height on cavity detecting tube (1) equals butt slide (2) axial height on cavity detecting tube (1).
2. A sensor-based pavement structure thickness detection device according to claim 1, wherein a circular plate (6) is slidably disposed in the hollow detection tube (1), and the infrared receiver (4) is mounted on the circular plate (6).
3. A sensor-based pavement structure thickness detection device according to claim 2, characterized in that a slide block (7) is fixed on the side wall of the circular plate (6), and the slide block (7) is connected with the hollow detection tube (1) in a sliding manner.
4. The sensor-based pavement structure thickness detection device according to claim 3, wherein a sliding groove (8) is formed in the inner wall of the hollow detection tube (1) along the axis direction of the hollow detection tube, and the sliding block (7) is slidably arranged in the sliding groove (8).
5. The sensor-based pavement structure thickness detection device according to claim 4, wherein a strip-shaped groove (9) is formed in the outer wall of the hollow detection tube (1) along the axial direction of the detection tube, the strip-shaped groove (9) is communicated with the sliding groove (8), a connecting rod (10) is arranged on the abutting sliding plate (2), and the connecting rod (10) penetrates through the strip-shaped groove (9) to be connected with the sliding block (7).
6. The sensor-based pavement structure thickness detection device according to claim 5, wherein the connecting rod (10) is L-shaped, the abutting sliding plate (2) and the circular plate (6) are arranged at intervals along the axial direction of the hollow detection tube (1), and two ends of the connecting rod (10) are fixedly connected with the abutting sliding plate (2) and the circular plate (6) respectively.
7. The sensor-based pavement structure thickness detection device according to claim 1, further comprising a workbench (11), wherein a hollow outer cylinder (12) is vertically fixed at the bottom of the workbench (11), a slide rod (14) is fixed at one end of the hollow detection tube (1) far away from the abutting sliding plate (2), the slide rod (14) is slidably inserted into the hollow outer cylinder (12), a screw rod (13) is arranged in the hollow outer cylinder (12), the screw rod (13) is rotatably connected with the workbench (11), the screw rod (13) is in threaded connection with the slide rod (14), and a driving device is arranged on the workbench (11) and used for driving the screw rod (13) to rotate.
8. A sensor-based pavement structure thickness detection device according to claim 7, wherein the driving device comprises a motor box (15) and a motor (16), the motor box (15) is mounted on the workbench (11), the motor (16) is located in the motor box (15), an output shaft of the motor (16) is provided with a first gear (17), one end of the screw rod (13) penetrates through the workbench (11) to be provided with a second gear (18), and the first gear (17) is meshed with the second gear (18).
9. The sensor-based pavement structure thickness detection device according to claim 8, wherein the slide rod (14) and the hollow outer cylinder (12) are rectangular parallelepiped, and the outer wall of the slide rod (14) is in contact with the inner wall of the hollow outer cylinder (12).
10. A sensor-based pavement structure thickness detection apparatus according to claim 7, wherein a level gauge (19) is provided on said table (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297089.0U CN214502380U (en) | 2021-09-23 | 2021-09-23 | Pavement structure thickness detection device based on sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297089.0U CN214502380U (en) | 2021-09-23 | 2021-09-23 | Pavement structure thickness detection device based on sensor |
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| CN214502380U true CN214502380U (en) | 2021-10-26 |
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| CN202122297089.0U Active CN214502380U (en) | 2021-09-23 | 2021-09-23 | Pavement structure thickness detection device based on sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367355A (en) * | 2023-12-06 | 2024-01-09 | 绵阳奥力达科技有限公司 | Small-diameter inclined hole detection device of thermostat housing |
| CN117779569A (en) * | 2023-12-27 | 2024-03-29 | 王瑶 | Pavement thickness detection method for highway engineering |
-
2021
- 2021-09-23 CN CN202122297089.0U patent/CN214502380U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367355A (en) * | 2023-12-06 | 2024-01-09 | 绵阳奥力达科技有限公司 | Small-diameter inclined hole detection device of thermostat housing |
| CN117367355B (en) * | 2023-12-06 | 2024-04-02 | 绵阳奥力达科技有限公司 | Small-diameter inclined hole detection device of thermostat housing |
| CN117779569A (en) * | 2023-12-27 | 2024-03-29 | 王瑶 | Pavement thickness detection method for highway engineering |
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