Pavement detection device for surveying and mapping engineering

By coordinating the self-adjusting mechanism and the detection components, the horizontal state of the support plate is adjusted in real time, which solves the problem of inaccurate road surface detection data on multiple inclined surfaces and achieves accurate deflection detection.

CN223753172UActive Publication Date: 2026-01-02YANGTZE UNIVERSITY
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Patent Information

Application Number
CN202520152142.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-02
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

When existing road surface testing devices are used to test on multiple inclined surfaces, the deflection test data is prone to being inaccurate.

Method used

A self-adjusting mechanism is adopted, which uses tilt sensors and PLC controllers to adjust the horizontal state of the support plate in real time. Combined with the movement of hydraulic rods and hammer discs, road surface data is acquired by detection sensors.

Benefits of technology

Maintaining the horizontal position of the testing device on multiple inclined surfaces ensures the accuracy of deflection test data and improves the practicality of the testing device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223753172U_ABST
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Abstract

The utility model provides a road surface detection device for surveying and mapping engineering. The road surface detection device comprises a bottom plate and rollers arranged around the bottom of the bottom plate, the self-adjusting mechanism is arranged at the top of the bottom plate; by means of mutual cooperation between the adjusting assembly and the detection assembly, the inclination degree of the supporting plate can be detected through the inclination sensor in the movement process of the bottom plate, inclination data are transmitted to the PLC in real time, the PLC starts the corresponding electric push rod to work according to the inclination data of the inclination sensor, and then the electric push rod is driven to move. Meanwhile, the hydraulic rod drives the hammer disc to move downwards to be in contact with the ground, and the detection sensor is used for transmitting the detected instant change data of the road surface to the detector, so that whether the detected road surface is standard or not can be judged; therefore, the device can be kept horizontal all the time in the operation process, and the situation that pavement deflection detection data are not accurate when a pavement with multiple inclined planes is checked is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the road surface detection field especially relates to a road surface detection device for surveying and mapping engineering. BACKGROUND

[0002] Road surveying and mapping engineering is an engineering activity related to measurement, recording and analysis of road systems and their surrounding environment, and this engineering aims to provide detailed geographic information for road planning, design, construction and maintenance, and in road surveying and mapping engineering, the detection device is needed to detect the deflection of the repaired road surface to ensure the safety and reliability of the road.

[0003] According to the search, as shown in a road surface detection device for road surveying and mapping engineering with the authorized announcement number: CN220625293U, the device uses the movable column to move up and down in the chute, which can drive the universal wheel to move up and down until the bubble level is in the parallel position, preventing the road surface from being inclined and uneven, which leads to inaccurate deflection detection data.

[0004] However, the inclined surface of the road surface is not uniformly oriented, and the road surface deflection detection data will still be inaccurate when checking the road surface with multiple inclined surfaces.

[0005] Therefore, it is necessary to provide a road surface detection device for surveying and mapping engineering to solve the above technical problems. INVENTION CONTENTS

[0006] To solve the above technical problems, the utility model provides a road surface detection device for surveying and mapping engineering.

[0007] The utility model provides a road surface detection device for surveying and mapping engineering, which comprises:

[0008] The bottom plate and the rollers installed around the bottom of the bottom plate;

[0009] The self-adjusting mechanism is arranged on the top of the bottom plate and comprises a support plate arranged on the top of the bottom plate, two tilt sensors are installed on the bottom of the support plate, rectangular holes are formed around the top of the support plate, universal joints are installed in the rectangular holes, adjusting assemblies are installed in the universal joints, universal ball joints are installed at the bottom end of the adjusting assemblies, the side of the universal ball joint away from the adjusting assembly is connected with the top of the bottom plate, detection assemblies are installed on the bottom of the support plate to detect the road surface, PLC controllers are installed on the top of the support plate, and the input end of the PLC controller is connected with the output end of the tilt sensor.

[0010] Preferably, the adjusting assembly comprises a sleeve rod mounted in the interior of the universal joint, a telescopic rod is mounted through the bottom end of the sleeve rod, the bottom end of the telescopic rod is communicated with the top of the universal ball joint, an electric push rod is mounted at the top of the inner cavity of the sleeve rod, the telescopic end of the electric push rod is fixedly connected with one end of the telescopic rod located in the interior of the sleeve rod, and the input end of the electric push rod is connected with the output end of the PLC controller.

[0011] Preferably, the detecting assembly comprises a hydraulic rod fixedly mounted at the bottom of the supporting plate, a hammer disc is fixedly mounted at the telescopic end of the hydraulic rod, an installation groove is formed at the bottom of the hammer disc, a detecting sensor is mounted in the installation groove, and a detector is mounted at one side of the top of the bottom plate and connected with the output end of the detecting sensor.

[0012] Preferably, the limiting strips are fixedly mounted around the outer side wall of the telescopic rod, and the sliding grooves are formed in the interior of the sleeve rod and matched with the limiting strips in a sliding connection manner.

[0013] Preferably, the connecting blocks are fixedly mounted around the outer side wall of the detecting sensor, the counterbores are mounted through the two sides of the hammer disc, one end of the counterbores located in the interior of the hammer disc extends to the interior of the installation groove, and the counterbores are threadedly connected with the connecting blocks.

[0014] Preferably, the connecting ring is fixedly mounted at one side of the bottom plate and used for connecting with the mobile device.

[0015] Compared with the prior art, the road surface detecting device for surveying and mapping engineering has the following beneficial effects:

[0016] Through the cooperation between the adjusting assembly and the detecting assembly, the inclination of the supporting plate can be detected by the inclination sensor during the movement of the bottom plate, and the inclination data can be transmitted to the PLC controller in real time, the PLC controller can open the corresponding electric push rod to drive the supporting plate, the hydraulic rod and the hammer disc to keep horizontal, the hammer disc can be driven downward by the hydraulic rod to contact the ground, the detected road surface instantaneous change data can be transmitted to the detector by the detecting sensor, and whether the detected road surface is standard can be determined. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structural schematic view of a preferred embodiment of the utility model is provided.

[0018] Figure 2The utility model provides a kind of preferred embodiment in the bottom structure diagram of support plate of the utility model shows the view from above.

[0019] Figure 3 The utility model provides a kind of preferred embodiment in the structure diagram of adjusting assembly of the utility model shows.

[0020] Figure 4 The utility model provides a kind of preferred embodiment in the partial structure diagram of detection assembly of the utility model.

[0021] Marked number in drawing:1, bottom plate;2, gyro wheel;3, self-adjusting mechanism;31, support plate;32, tilt sensor;33, universal joint;34, adjusting assembly;341, sleeve rod;342, telescopic rod;343, electric push rod;344, limit strip;35, universal ball joint;36, detection assembly;361, hydraulic rod;362, hammer disc;363, mounting groove;364, detection sensor;365, detector;366, connecting block;367, counterbore bolt;37, PLC controller. DETAILED DESCRIPTION

[0022] The utility model is further described below in connection with the drawings and embodiment.

[0023] Please refer to Figures 1 to 4 A road surface detection device for surveying engineering, comprising:

[0024] The bottom plate 1 and the gyro wheel 2 installed around the bottom of the bottom plate 1;

[0025] The self-adjusting mechanism 3 is arranged on the top of the bottom plate 1 and comprises a support plate 31 arranged on the top of the bottom plate 1, two tilt sensors 32 arranged on the bottom of the support plate 31, a plurality of rectangular holes arranged around the top of the support plate 31, a universal joint 33 arranged in each rectangular hole, an adjusting assembly 34 arranged in the universal joint 33, a universal ball joint 35 arranged at the bottom end of the adjusting assembly 34, and a PLC controller 37 arranged on the top of the support plate 31. The universal ball joint 35 is connected to the top of the bottom plate 1, and the detection assembly 36 is arranged on the bottom of the support plate 31 to detect the road surface. The input end of the PLC controller 37 is connected to the output end of the tilt sensor 32.

[0026] Reference Figure 2 And Figure 3As shown, the adjusting assembly 34 comprises a sleeve rod 341 mounted inside the universal joint 33, the bottom end of the sleeve rod 341 penetrates and is mounted with a telescopic rod 342, the bottom end of the telescopic rod 342 is connected with the top of the universal ball joint 35, the top of the inner cavity of the sleeve rod 341 is mounted with an electric push rod 343, the telescopic end of the electric push rod 343 is fixedly connected with one end of the telescopic rod 342 inside the sleeve rod 341, and the input end of the electric push rod 343 is connected with the output end of the PLC controller 37;

[0027] It should be noted that: during the movement of the bottom plate 1, the inclination of the supporting plate 31 is detected by the inclination sensor 32, and the inclination data is transmitted to the PLC controller 37 in real time, and the PLC controller 37 opens the corresponding electric push rod 343 through the inclination data of the inclination sensor 32 to drive the supporting plate 31 and the hydraulic rod 361 and the hammer disc 362 to always maintain a horizontal state.

[0028] Referring to Figure 1 , Figure 2 and Figure 4 As shown, the detecting assembly 36 comprises a hydraulic rod 361 fixedly mounted at the bottom of the supporting plate 31, the telescopic end of the hydraulic rod 361 is fixedly mounted with a hammer disc 362, the bottom of the hammer disc 362 is provided with a mounting groove 363, the inside of the mounting groove 363 is mounted with a detection sensor 364, and one side of the top of the bottom plate 1 is mounted with a detector 365, and the input end of the detector 365 is connected with the output end of the detection sensor 364;

[0029] It should be noted that: the hammer disc 362 is driven by the hydraulic rod 361 to move downward and contact the ground, and the road surface instantaneous change data detected by the detection sensor 364 is transmitted to the detector 365, so that whether the detected road surface is standard can be obtained.

[0030] Referring to Figure 3 As shown, the outer side wall of the telescopic rod 342 is fixedly mounted with a limiting strip 344 around, the inside of the sleeve rod 341 is provided with a sliding groove matched with the limiting strip 344, and the sliding groove and the limiting strip 344 are connected in a sliding mode;

[0031] It should be noted that: the stability of the telescopic rod 342 can be maintained during the telescopic process of the telescopic rod 342, so as to avoid the telescopic rod 342 from twisting in the inside of the sleeve rod 341, so as to avoid the separation of the electric push rod 343 and the telescopic rod 342.

[0032] Referring to Figure 4 As shown, the outer side wall of the detection sensor 364 is fixedly mounted with a connecting block 366 around, the both sides of the hammer disc 362 are penetratively mounted with counterbores 367, one end of the counterbores 367 inside the hammer disc 362 extends to the inside of the mounting groove 363, and the counterbores 367 and the connecting block 366 are connected in a threaded mode;

[0033] It should be noted that: in order to facilitate the disassembly of the detection sensor 364, facilitate the timely replacement of the detection sensor 364 when damaged after long time use.

[0034] Reference Figure 1 As shown, one side of the bottom plate 1 is fixedly installed with a connecting ring for connecting with a mobile device.

[0035] The working principle of the road surface detection device for surveying and mapping engineering provided by the utility model is as follows:

[0036] When detecting the road surface, the device is connected with the external mobile device by the connecting ring, and the bottom plate 1 and the roller 2 are driven to move on the road surface to be detected. In the moving process of the bottom plate 1, the inclination of the supporting plate 31 is detected by the inclination sensor 32, and the inclination data is transmitted to the PLC controller 37 in real time. The PLC controller 37 opens the corresponding electric push rod 343 to work according to the inclination data of the inclination sensor 32, so as to drive the supporting plate 31, the hydraulic rod 361 and the hammer disc 362 to always keep horizontal. At the same time, the hammer disc 362 is driven to move downward by the hydraulic rod 361 to contact the ground, and the detected road surface instantaneous change data is transmitted to the detector 365 by the detection sensor 364, so that whether the detected road surface is standard can be obtained.

[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A road surface detection device for surveying engineering, characterized in that, Include: The bottom plate (1), and its bottom four around the installation of the roller (2); Self-adjusting mechanism (3) is arranged on the top of the bottom plate (1), and it includes the support plate (31) arranged on the top of the bottom plate (1), the inclined sensor (32) is arranged on both sides of the bottom of the support plate (31), the rectangular hole is arranged on the top of the support plate (31), and the universal joint (33) is arranged in the rectangular hole, the adjusting assembly (34) is arranged in the universal joint (33), the universal ball joint (35) is arranged at the bottom end of the adjusting assembly (34), the side, away from the adjusting assembly (34), of the universal ball joint (35) is connected with the top of the bottom plate (1), the detection assembly (36) is arranged on the bottom of the support plate (31), and the road surface is detected, the PLC controller (37) is arranged on the top of the support plate (31), and the input end of the PLC controller (37) is connected with the output end of the inclined sensor (32).

2. The road surface detection device for surveying engineering according to claim 1, characterized in that, The adjusting assembly (34) includes a sleeve rod (341) arranged in the universal joint (33), a telescopic rod (342) is arranged at the bottom end of the sleeve rod (341), the bottom end of the telescopic rod (342) is connected with the top of the universal ball joint (35), the electric push rod (343) is arranged at the top of the inner cavity of the sleeve rod (341), one end of the telescopic end of the electric push rod (343) is fixedly connected with the telescopic rod (342) arranged in the sleeve rod (341), and the input end of the electric push rod (343) is connected with the output end of the PLC controller (37).

3. The road surface detection device for surveying engineering according to claim 1, characterized in that, The detection assembly (36) includes a hydraulic rod (361) fixedly installed on the bottom of the support plate (31), a hammer disc (362) is fixedly installed at the telescopic end of the hydraulic rod (361), an installation groove (363) is arranged at the bottom of the hammer disc (362), a detection sensor (364) is arranged in the installation groove (363), and a detector (365) is arranged on one side of the top of the bottom plate (1). The input end of the detector (365) is connected with the output end of the detection sensor (364).

4. The road surface detection device for surveying engineering according to claim 2, characterized in that, The limiting strip (344) is fixedly installed on the outer side wall of the telescopic rod (342), the sliding groove matched with the limiting strip (344) is arranged in the sleeve rod (341), and the sliding groove and the limiting strip (344) are connected.

5. The road surface detection device for surveying engineering according to claim 3, characterized in that, The connecting block (366) is fixedly installed on the outer side wall of the detection sensor (364), the counterbore bolt (367) is arranged on both sides of the hammer disc (362), one end of the counterbore bolt (367) arranged in the hammer disc (362) extends to the inside of the installation groove (363), and the counterbore bolt (367) and the connecting block (366) are screwed.

6. The road surface detection device for surveying engineering according to claim 1, characterized in that, One side of the bottom plate (1) is fixedly installed with a connecting ring, which is connected with the mobile device.

Citation Information

Patent Citations

  • Road surface detection device for road surveying and mapping engineering

    CN220625293U