A device for detecting the flatness of a roadbed and pavement

Abstract

The utility model discloses a kind of roadbed pavement flatness detection devices, including remote control car, the remote control car front end is equipped with detection rod, the detection rod is detachably connected with remote control car;The detection rod bottom is equipped with multiple displacement sensors, the displacement sensor is movably connected with detection rod;The displacement sensor and detection rod are electrically connected, the detection rod and remote control car are electrically connected;Display is equipped on the remote control car, for showing the data measured by displacement sensor.The utility model is installed detection rod in remote control car front end, detection rod bottom is equipped with multiple displacement sensors, the distance between sensor and road surface can be measured by displacement sensor, along with the movement of remote control car, the distance measured by each displacement sensor will be fed back to display, so that the change of each displacement sensor value can be intuitively seen on display, whether the road surface is flat can be further determined by the change of value.

Description

Technical Field

[0001] This utility model relates to the technical field of road surface testing equipment, specifically a roadbed and pavement smoothness testing device. Background Technology

[0002] In road construction and maintenance, the smoothness of the roadbed and pavement is a crucial indicator. Good smoothness not only provides a comfortable driving experience, reducing vehicle bumps and vibrations, and lowering wear and tear on vehicle parts and fuel consumption, but also significantly improves road safety and reduces the probability of traffic accidents. Conversely, an uneven roadbed and pavement cause vehicles to bounce and experience impacts, accelerating pavement damage and shortening the road's lifespan.

[0003] In the prior art, utility model patent CN221702036U discloses a road surface evenness detector, including an instrument mounting base, casters, a detector body, an adjustment and pushing component, and a rotation adjustment sensing component. This road surface evenness detector, by setting an adjustment and pushing component, can adjust the position and direction of the push according to the user's height and the point of force, enabling the detector body to achieve rapid and convenient detection. Furthermore, the rotation adjustment sensing component allows for quick and stable adjustment and detection based on different road surface heights, greatly improving the detection speed of the detector body.

[0004] The road surface smoothness testing instrument provided by the aforementioned patent is mainly designed to facilitate adjustment and testing based on different road conditions. However, this type of road surface smoothness testing instrument is not convenient for simultaneously testing the smoothness of multiple points on the road surface, resulting in poor testing efficiency and failing to assist workers in efficiently completing testing tasks. Utility Model Content

[0005] The purpose of this utility model is to provide a roadbed and pavement smoothness testing device, which aims to improve the existing pavement smoothness testing instruments, which are inconvenient to test the smoothness of multiple points on the pavement at the same time, have poor testing efficiency, and cannot assist workers in completing testing tasks efficiently.

[0006] This utility model is implemented as follows:

[0007] A roadbed pavement smoothness detection device includes a remote-controlled vehicle. A detection rod is mounted at the front end of the remote-controlled vehicle and is detachably connected to the vehicle. Multiple displacement sensors are installed at the bottom of the detection rod and are movably connected to it. The displacement sensors are electrically connected to the detection rod, and the detection rod is electrically connected to the remote-controlled vehicle. A display is mounted on the remote-controlled vehicle to show the data measured by the displacement sensors.

[0008] Preferably, the remote control vehicle has a charging slot at the rear end, multiple rollers symmetrically arranged on both sides, locking levers symmetrically arranged on both sides of the top, a second pressing knob on the locking lever, and multiple connecting slots on the upper surface of the remote control vehicle.

[0009] Preferably, the front end of the remote control vehicle is provided with a support rod, the support rod is provided with a latch, and the front end of the support rod is provided with a third clamping knob aligned with the latch.

[0010] Preferably, the remote-controlled vehicle integrates an MCU control module, which is connected to a data acquisition module, a data analysis module, an acceleration sensor, a gyroscope sensor, a data storage module, a power supply module, and a remote control module. The MCU control module controls the operation of the entire remote-controlled vehicle; the data acquisition module collects data from the displacement sensor; the data analysis module analyzes and processes the data collected by the data acquisition module; the acceleration sensor monitors the acceleration changes of the remote-controlled vehicle in real time, assisting in determining the impact of road surface smoothness and vehicle driving status on the detection results; the gyroscope sensor detects changes in the attitude of the remote-controlled vehicle; the data storage module stores the measured data; the power supply module, in conjunction with a battery, powers the entire device; and the remote control module, in conjunction with a terminal, controls the movement of the remote-controlled vehicle.

[0011] Preferably, the top of the detection rod is provided with a junction box, the back of the junction box is provided with multiple connection slots, the junction box is provided with a connecting wire, the end of the connecting wire is provided with a connecting plug, and the connecting plug is connected to the remote control car.

[0012] Preferably, the bottom surface of the detection rod has a notch in the middle, and the bottom surface of the detection rod has a horizontal groove, and the top of the detection rod has a horizontal column in the middle.

[0013] Preferably, the displacement sensor is a non-contact laser displacement sensor; a positioning plate is provided on the side of the displacement sensor, and a positioning knob is provided on the positioning plate; a sliding rod is provided at the top of the displacement sensor, and the sliding rod is inserted into the sliding groove; a connecting wire is provided on the side of the displacement sensor, and a connecting plug is provided at the end of the connecting wire, and the connecting plug is connected to the connecting groove.

[0014] Preferably, the display has a screen, and the display has control buttons along the bottom of the screen; the display has card slots on both sides.

[0015] Preferably, it also includes a push rod, and the remote control vehicle has vertically downward insertion slots on both sides of its rear end, and the remote control vehicle has a first clamping knob aligned with the insertion slots, and the push rod is inserted into the inside of the insertion slots.

[0016] Preferably, there are two push rods, and a gripping rod is provided at the top between the two push rods.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model involves installing a detection rod at the front of a remote-controlled vehicle, with multiple displacement sensors installed at the bottom of the detection rod. These displacement sensors measure the distance between the sensor and the road surface. As the remote-controlled vehicle moves, the distance measured by each displacement sensor is fed back to the display, allowing for a direct visual observation of the changes in the values ​​of each displacement sensor. These changes in values ​​can further determine whether the road surface is smooth. Simultaneously, multiple position sensors can measure multiple points on the road at the same time, assisting workers in efficiently completing the task of detecting road surface smoothness.

[0019] 2. This utility model installs a push rod on the remote control car, which can be used to move the remote control car, thus making the use of the remote control car more diverse. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a structural schematic diagram of the remote control car of this utility model;

[0022] Figure 3 This is a structural block diagram of the remote control car of this utility model;

[0023] Figure 4 This is a schematic diagram of the detection rod of this utility model from a front-end oblique downward angle;

[0024] Figure 5 This is a schematic diagram of the structure of the detection rod of this utility model from a front-end tilting angle;

[0025] Figure 6 This is a schematic diagram of the displacement sensor of this utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the display of this utility model;

[0027] Figure 8 This is a schematic diagram of the push rod of this utility model.

[0028] In the diagram: 1. Remote control car; 11. Charging slot; 12. Roller; 13. Plug slot; 14. First clamping knob; 15. Locking rod; 16. Second clamping knob; 17. Connecting slot; 18. Support rod; 19. Bayonet; 191. Third clamping knob; 2. Detection rod; 21. Junction box; 22. Connecting slot; 23. Connecting wire; 24. Connecting plug; 25. Horizontal column; 26. Slide groove; 27. Notch; 3. Displacement sensor; 31. Positioning plate; 32. Positioning knob; 33. Slide rod; 34. Connecting wire; 35. Connecting plug; 4. Display; 41. Locking slot; 42. Control button; 43. Display screen; 5. Push rod; 51. Grip rod. Detailed implementation method:

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0031] Example 1

[0032] like Figure 1 As shown, a roadbed pavement smoothness detection device includes a remote-controlled vehicle 1. A detection rod 2 is mounted at the front end of the remote-controlled vehicle 1, and the detection rod 2 is detachably connected to the remote-controlled vehicle 1. The remote-controlled vehicle 1 facilitates the movement of various detection components, enabling rapid detection of road surface smoothness. Multiple displacement sensors 3 are mounted at the bottom of the detection rod 2, and the displacement sensors 3 are movably connected to the detection rod 2. The displacement sensors 3 are electrically connected to the detection rod 2, and the detection rod 2 is electrically connected to the remote-controlled vehicle 1. The detection rod 2, in conjunction with the multiple displacement sensors 3, can simultaneously detect multiple points on the road, facilitating efficient completion of detection tasks for personnel. The remote-controlled vehicle 1 is equipped with a display 4 for displaying the data measured by the displacement sensors 3.

[0033] like Figure 2As shown, the remote control vehicle 1 has a charging slot 11 at its rear end for convenient charging. Multiple casters 12 are symmetrically arranged on both sides of the vehicle, facilitating rotation and use. A locking lever 15 is symmetrically arranged on both sides of the top of the vehicle, with a second clamping knob 16 on each lever. The lever 15, in conjunction with the second clamping knob 16, secures the display 4, ensuring stable operation. Multiple connecting slots 17 are located on the upper surface of the vehicle, allowing for electrical connection between the display 4 and the detection rod 2. A support rod 18 is located at the front end of the vehicle, with a latch 19 on it. The cooperation between the support rod 18 and the latch 19 facilitates engagement of the detection rod 2, enabling easy assembly, disassembly, and use. Furthermore, a third clamping knob 191 is provided at the position of the front end of the support rod 18 aligned with the bayonet 19. The third clamping knob 191 is used to conveniently fix the position of the detection rod 2 and ensure that the detection rod 2 is sufficiently stable.

[0034] like Figure 3 As shown, the remote control vehicle 1 integrates an MCU control module, which is connected to a data acquisition module, a data analysis module, an acceleration sensor, a gyroscope sensor, a data storage module, a power supply module, and a remote control module. The MCU control module controls the operation of the entire remote control vehicle 1. The data acquisition module collects data from the displacement sensor 3. The data analysis module analyzes and processes the data collected by the data acquisition module. The acceleration sensor monitors the acceleration changes of the remote control vehicle 1 in real time during its movement, helping to determine the impact of the road surface's macroscopic smoothness and the vehicle's driving state on the detection results. The gyroscope sensor detects the attitude changes of the remote control vehicle 1. The data storage module stores the measured data. The power supply module, in conjunction with the battery, powers the entire device. The remote control module, in conjunction with the terminal, controls the movement of the remote control vehicle 1.

[0035] like Figure 4 As shown, the top of the detection rod 2 is equipped with a junction box 21, and the back of the junction box 21 has multiple connecting slots 22. The junction box 21 and the connecting slots 22 cooperate to facilitate the electrical connection of multiple displacement sensors 3 to the detection rod 2. The junction box 21 is equipped with a connecting wire 23, and the end of the connecting wire 23 is equipped with a connecting plug 24. The connecting plug 24 is plugged into the remote control car 1, which facilitates the operation of the junction box 21. The bottom surface of the detection rod 2 has a notch 27 in the middle, which facilitates the detection rod 2 to engage with the support rod 18. The bottom surface of the detection rod 2 also has a horizontal sliding groove 26, which facilitates the installation of displacement sensors 3, thereby facilitating the adjustment of the position of the displacement sensors 3. The top center of the detection rod 2 has a horizontal post 25, which facilitates the determination of whether the detection rod 2 is installed horizontally.

[0036] like Figure 5As shown, the displacement sensor 3 is a non-contact laser displacement sensor 3, which can quickly and accurately measure the vertical distance between the sensor and the road surface. These sensors are connected to the detection rod 2, transmitting the measurement data to the data acquisition module in real time via the detection rod 2. A positioning plate 31 is provided on the side of the displacement sensor 3, and a positioning knob 32 is provided on the positioning plate 31; the positioning plate 31 and the positioning knob 32 facilitate fixing the position of the displacement sensor 3. A sliding rod 33 is provided at the top of the displacement sensor 3, which engages with the sliding groove 26, facilitating the adjustment of the displacement sensor 3's position. A connecting wire 34 is provided on the side of the displacement sensor 3, and a connecting plug 35 is provided at the end of the connecting wire 34, which connects to the connecting groove 22. The connecting wire 34 and the connecting plug 35 facilitate the connection of the displacement sensor 3 to the detection rod 2.

[0037] like Figure 6 As shown, the display 4 has a display screen 43, and a control button 42 is provided below the display screen 43. The display screen 43 and the control button 42 facilitate the operation of the display 4. A wire is provided on the back of the display 4, which is connected to the remote control car 1. This structure facilitates the connection between the display 4 and the remote control car 1, making it easy to operate and use the display 4. The display 4 has slots 41 on both sides, which are used to fit the locking rod 15, facilitating the stable installation of the display 4.

[0038] Example 2

[0039] like Figure 1 As shown, a roadbed pavement smoothness detection device includes a remote-controlled vehicle 1. A detection rod 2 is mounted at the front end of the remote-controlled vehicle 1, and the detection rod 2 is detachably connected to the remote-controlled vehicle 1. The remote-controlled vehicle 1 facilitates the movement of various detection components, enabling rapid detection of road surface smoothness. Multiple displacement sensors 3 are mounted at the bottom of the detection rod 2, and the displacement sensors 3 are movably connected to the detection rod 2. The displacement sensors 3 are electrically connected to the detection rod 2, and the detection rod 2 is electrically connected to the remote-controlled vehicle 1. The detection rod 2, in conjunction with the multiple displacement sensors 3, can simultaneously detect multiple points on the road, facilitating efficient completion of detection tasks for personnel. The remote-controlled vehicle 1 is equipped with a display 4 for displaying the data measured by the displacement sensors 3.

[0040] like Figure 2As shown, the remote control vehicle 1 has a charging slot 11 at its rear end for convenient charging. Multiple casters 12 are symmetrically arranged on both sides of the vehicle, facilitating rotation and use. A locking lever 15 is symmetrically arranged on both sides of the top of the vehicle, with a second clamping knob 16 on each lever. The lever 15, in conjunction with the second clamping knob 16, secures the display 4, ensuring stable operation. Multiple connecting slots 17 are located on the upper surface of the vehicle, allowing for electrical connection between the display 4 and the detection rod 2. A support rod 18 is located at the front end of the vehicle, with a latch 19 on it. The cooperation between the support rod 18 and the latch 19 facilitates engagement of the detection rod 2, enabling easy assembly, disassembly, and use. Furthermore, a third clamping knob 191 is provided at the position of the front end of the support rod 18 aligned with the bayonet 19. The third clamping knob 191 is used to conveniently fix the position of the detection rod 2 and ensure that the detection rod 2 is sufficiently stable.

[0041] like Figure 3 As shown, the remote control vehicle 1 integrates an MCU control module, which is connected to a data acquisition module, a data analysis module, an acceleration sensor, a gyroscope sensor, a data storage module, a power supply module, and a remote control module. The MCU control module controls the operation of the entire remote control vehicle 1. The data acquisition module collects data from the displacement sensor 3. The data analysis module analyzes and processes the data collected by the data acquisition module. The acceleration sensor monitors the acceleration changes of the remote control vehicle 1 in real time during its movement, helping to determine the impact of the road surface's macroscopic smoothness and the vehicle's driving state on the detection results. The gyroscope sensor detects the attitude changes of the remote control vehicle 1. The data storage module stores the measured data. The power supply module, in conjunction with the battery, powers the entire device. The remote control module, in conjunction with the terminal, controls the movement of the remote control vehicle 1.

[0042] like Figure 4 As shown, the top of the detection rod 2 is equipped with a junction box 21, and the back of the junction box 21 has multiple connecting slots 22. The junction box 21 and the connecting slots 22 cooperate to facilitate the electrical connection of multiple displacement sensors 3 to the detection rod 2. The junction box 21 is equipped with a connecting wire 23, and the end of the connecting wire 23 is equipped with a connecting plug 24. The connecting plug 24 is plugged into the remote control car 1, which facilitates the operation of the junction box 21. The bottom surface of the detection rod 2 has a notch 27 in the middle, which facilitates the detection rod 2 to engage with the support rod 18. The bottom surface of the detection rod 2 also has a horizontal sliding groove 26, which facilitates the installation of displacement sensors 3, thereby facilitating the adjustment of the position of the displacement sensors 3. The top center of the detection rod 2 has a horizontal post 25, which facilitates the determination of whether the detection rod 2 is installed horizontally.

[0043] like Figure 5As shown, the displacement sensor 3 is a non-contact laser displacement sensor 3, which can quickly and accurately measure the vertical distance between the sensor and the road surface. These sensors are connected to the detection rod 2, transmitting the measurement data to the data acquisition module in real time via the detection rod 2. A positioning plate 31 is provided on the side of the displacement sensor 3, and a positioning knob 32 is provided on the positioning plate 31; the positioning plate 31 and the positioning knob 32 facilitate fixing the position of the displacement sensor 3. A sliding rod 33 is provided at the top of the displacement sensor 3, which engages with the sliding groove 26, facilitating the adjustment of the displacement sensor 3's position. A connecting wire 34 is provided on the side of the displacement sensor 3, and a connecting plug 35 is provided at the end of the connecting wire 34, which connects to the connecting groove 22. The connecting wire 34 and the connecting plug 35 facilitate the connection of the displacement sensor 3 to the detection rod 2.

[0044] like Figure 6 As shown, the display 4 has a display screen 43, and a control button 42 is provided below the display screen 43. The display screen 43 and the control button 42 facilitate the operation of the display 4. A wire is provided on the back of the display 4, which is connected to the remote control car 1. This structure facilitates the connection between the display 4 and the remote control car 1, making it easy to operate and use the display 4. The display 4 has slots 41 on both sides, which are used to fit the locking rod 15, facilitating the stable installation of the display 4.

[0045] like Figure 1 and Figure 2 As shown, it also includes a push rod 5. The rear ends of the remote control vehicle 1 are provided with vertically downward insertion slots 13 on both sides, and the remote control vehicle 1 is provided with a first clamping knob 14 aligned with the insertion slots 13. The push rod 5 is inserted into the inside of the insertion slots 13. The insertion slots 13 facilitate the installation of the push rod 5 and make it easy to install and remove the push rod 5. The first clamping knob 14 facilitates the fixing of the push rod 5 and makes it easy for the push rod 5 to be stably connected to the machine body.

[0046] like Figure 8 As shown, there are two push rods 5, and a grip rod 51 is provided at the top between the two push rods 5. The grip rod 51 is for easy gripping of the push rod 5, making it convenient to move and use the entire push rod 5.

[0047] Working Principle: During use, assemble the remote-controlled vehicle 1 with all components according to the requirements, and level the detection rod 2 to ensure it is horizontal. Then, activate the entire detection device, activating the displacement sensor 3. Simultaneously, move the entire device remotely via the terminal. The displacement sensor 3 will feed back the measured data to the display screen 43, allowing for a direct assessment of the road surface's smoothness. Furthermore, the position of the corresponding displacement sensor 3 can identify the location of any uneven road surface, facilitating recording by staff for subsequent road or roadbed modifications.

[0048] In summary, compared with the prior art, this application installs a detection rod 2 at the front end of the remote control vehicle 1, and multiple displacement sensors 3 are installed at the bottom of the detection rod 2. The displacement sensors 3 can measure the distance between the sensor and the road surface. As the remote control vehicle 1 moves, the distance measured by each displacement sensor 3 is fed back to the display 4, so the change of the value of each displacement sensor 3 can be seen intuitively on the display 4. The change of the value can be used to further determine whether the road surface is smooth. At the same time, multiple position sensors can measure multiple points on multiple roads simultaneously, which can help the staff to efficiently complete the road surface smoothness detection.

[0049] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A roadbed and pavement smoothness detection device, comprising a remote-controlled vehicle (1), characterized in that, The remote control vehicle (1) has a detection rod (2) at its front end, which is detachably connected to the remote control vehicle (1). Multiple displacement sensors (3) are installed at the bottom of the detection rod (2), which are movably connected to the detection rod (2). The displacement sensors (3) are electrically connected to the detection rod (2), and the detection rod (2) is electrically connected to the remote control vehicle (1). The remote control vehicle (1) has a display (4) for displaying the data measured by the displacement sensors (3).

2. The roadbed and pavement smoothness testing device according to claim 1, characterized in that, The remote control vehicle (1) has a charging slot (11) on its rear end face, and multiple rollers (12) are symmetrically arranged on both sides of the remote control vehicle (1). The remote control vehicle (1) has a locking bar (15) symmetrically arranged on both sides of its top. The locking bar (15) has a second pressing knob (16) on it. The remote control vehicle (1) has multiple connecting slots (17) on its upper surface.

3. The roadbed and pavement smoothness testing device according to claim 2, characterized in that, The remote control vehicle (1) has a support rod (18) at the front end, a latch (19) on the support rod (18), and a third pressing knob (191) is provided at the position of the support rod (18) aligned with the latch (19).

4. The roadbed and pavement smoothness detection device according to claim 3, characterized in that, The remote control vehicle (1) integrates an MCU control module, which is connected to a data acquisition module, a data analysis module, an acceleration sensor, a gyroscope sensor, a data storage module, a power supply module, and a remote control module. The MCU control module is used to control the operation of the entire remote control vehicle (1). The data acquisition module is used to collect data fed back by the displacement sensor (3). The data analysis module is used to analyze and process the data collected by the data acquisition module. The acceleration sensor is used to monitor the acceleration changes of the remote control vehicle (1) in real time during driving, and to assist in judging the impact of the macroscopic smoothness of the road surface and the vehicle's driving state on the detection results. The gyroscope sensor is used to detect the attitude changes of the remote control vehicle (1). The data storage module is used to store the measured data. The power supply module is used to power the entire device in conjunction with the battery. The remote control module is used to control the movement of the remote control vehicle (1) in conjunction with the terminal.

5. The roadbed and pavement smoothness testing device according to claim 1, characterized in that, The top of the detection rod (2) is provided with a junction box (21), the back of the junction box (21) is provided with multiple connection slots (22), the junction box (21) is provided with a connecting line (23), the end of the connecting line (23) is provided with a connecting plug (24), and the connecting plug (24) is connected to the remote control car (1).

6. The roadbed and pavement smoothness detection device according to claim 5, characterized in that, The detection rod (2) has a notch (27) in the middle of its bottom surface and a sliding groove (26) in the horizontal direction on its bottom surface. The detection rod (2) has a horizontal column (25) in the middle of its top end.

7. The roadbed and pavement smoothness detection device according to claim 6, characterized in that, The displacement sensor (3) is a non-contact laser displacement sensor (3). The displacement sensor (3) has a positioning plate (31) on its side and a positioning knob (32) on the positioning plate (31). The displacement sensor (3) has a sliding rod (33) at its top, which is inserted into the sliding groove (26). The displacement sensor (3) has a connecting line (34) on its side and a connecting plug (35) at the end of the connecting line (34). The connecting plug (35) is connected to the connecting groove (22).

8. The roadbed and pavement smoothness testing device according to claim 1, characterized in that, The display (4) is provided with a display screen (43), and the display (4) is provided with control buttons (42) below the display screen (43); the display (4) is provided with card slots (41) on both sides.

9. A roadbed and pavement smoothness testing device according to any one of claims 1-8, characterized in that, It also includes a push rod (5), and the remote control vehicle (1) has vertically downward insertion slots (13) on both sides of the rear end. The remote control vehicle (1) has a first pressing knob (14) aligned with the insertion slot (13). The push rod (5) is inserted into the inside of the insertion slot (13).

10. A roadbed and pavement smoothness testing device according to claim 9, characterized in that, There are two push rods (5), and a gripping rod (51) is provided at the top between the two push rods (5).

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