Road hardness detection device
By designing a hydraulically driven highway hardness detection device, the impact blocks are automatically controlled to impact the road ground, solving the detection deviation and time-consuming and labor-intensive problems caused by manual knocking, and achieving efficient and simple hardness detection.
Patent Information
- Application Number
- CN202422375984.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-29
AI Technical Summary
In the prior art, the hardness of the road is detected by manual tapping, resulting in large deviations in the detection results, time-consuming and labor-intensive operation, and low efficiency.
A highway hardness detection device is designed, and the hydraulic cylinder drives the motor and the limiting ring system are used to automatically control the impact block to impact the road ground, and combine the winch and wire rope to achieve the lifting operation of the impact block.
It realizes the automation and standardization of highway hardness detection, reduces human error, and improves detection efficiency and operation simplicity.
Smart Images

Figure CN223205302U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road hardness detection, in particular to a road hardness detection device. Background Art
[0002] Highways are essential transportation infrastructure connecting cities and rural areas, playing a vital role in promoting regional economic development and strengthening urban-rural connections. In China, highways are categorized into different types based on administrative and technical levels to ensure the rational allocation and effective management of various transportation needs.
[0003] Highway hardness testing is an important part of highway construction and maintenance. Hardness testing usually involves quantitatively evaluating the hardness of the road surface or other structures to determine whether they can withstand the pressure of vehicle driving and the influence of environmental factors.
[0004] Regarding the existing related technologies, the inventors believe that the following defects exist: in the existing technology, when testing the hardness of a road, workers generally manually knock on the ground with a sledgehammer to test whether the hardness of the road is qualified. Since the strength of the workers' knocks will vary each time, the test results will be biased. At the same time, the operation is time-consuming and labor-intensive, and the efficiency is low. Utility Model Content
[0005] In order to solve the technical problem that workers generally use a sledgehammer to manually knock on the ground to detect whether the road hardness is qualified, the operation is time-consuming and labor-intensive, and the efficiency is low, the utility model provides a road hardness detection device.
[0006] The utility model is implemented by the following technical solutions: a road hardness detection device, comprising a vehicle body and an impact block, an operating chamber is provided on the top of the vehicle body, a handle is fixedly connected to one end of the top of the vehicle body, a plurality of rollers are arranged around the bottom of the vehicle body, a release groove is provided inside the vehicle body, the impact block is movably connected inside the release groove, a steel wire rope is fixedly connected to the top of the steel wire rope, a winch is fixedly connected to the top of the winch, a hydraulic cylinder is provided at the bottom of the operating chamber, one end of the hydraulic cylinder is fixedly connected to a movable seat, the top of the movable seat is fixedly connected to a motor, one end of the motor is fixedly connected to a limiting gear ring, one end of the limiting gear ring is plug-connected to a connecting ring, one side of the connecting ring is fixedly connected to a rotating shaft, and the middle part of the rotating shaft is fixedly connected to the winch.
[0007] Preferably, a limiting tooth groove is processed on one side of the connecting ring, and the limiting tooth ring is plug-connected inside the limiting tooth groove.
[0008] Preferably, a fixing plate and a supporting plate are provided on both sides of the winch, one end of the rotating shaft is rotatably connected to the inside of the fixing plate, and the other end of the rotating shaft is rotatably connected to the inside of the supporting plate.
[0009] Preferably, two ends of the movable seat are fixedly connected to two connecting blocks, and the interior of the connecting blocks is movably connected to a sliding rod.
[0010] Preferably, one end of the sliding rod is fixedly connected to one side of the fixed plate, and the other end of the sliding rod is fixedly connected to the inner wall of the operating cavity.
[0011] Preferably, a slider is fixedly connected to the bottom of the movable seat, a slide groove is processed on the bottom of the operating cavity, and the slider is movably connected inside the slide groove.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] When the utility model is in use, the hydraulic cylinder is started, the hydraulic cylinder will drive the movable seat to move, the movable seat will drive the motor to move, and the motor will drive the limiting gear ring to move, so that the limiting gear ring is separated from the interior of the connecting ring. When the limiting gear ring is separated from the connecting ring, the activity restriction of the winch is released, and the impact block will move downward along the interior of the release groove under the action of gravity and impact the road surface, so as to judge whether the road hardness is qualified. The operation is simple and convenient.
[0014] When the utility model is in use, the hydraulic cylinder is started, the hydraulic cylinder will drive the movable seat and the motor to move, the motor will drive the limiting gear ring to be inserted into the interior of the connecting ring, and then the motor is started to drive the limiting gear ring, the connecting ring, the rotating shaft and the winch to rotate, and the winch will drive the wire rope to be wound around the interior of the winch, so that the wire rope drives the impact block to move upward, so that the impact block moves upward to the top of the release groove, and the operation of storing the impact block is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a cross-sectional view of the vehicle body of the present utility model;
[0017] Figure 3 This is a schematic diagram of the connection structure between the hydraulic cylinder and the movable seat of the utility model;
[0018] Figure 4 This is a schematic diagram of the connection structure between the winch and the motor of the utility model.
[0019] In the figure: 1. Vehicle body; 2. Impact block; 3. Operating chamber; 4. Handle; 5. Roller; 6. Release groove; 7. Winch; 8. Wire rope; 9. Motor; 10. Limiting gear ring; 11. Connecting ring; 12. Limiting gear groove; 13. Rotating shaft; 14. Hydraulic cylinder; 15. Movable seat; 16. Connecting block; 17. Slide rod; 18. Slider; 19. Slide groove; 20. Fixed plate; 21. Support plate. DETAILED DESCRIPTION
[0020] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0021] Example 1: Please refer to Figure 1 - Figure 4 , a road hardness testing device of this embodiment includes a vehicle body 1 and an impact block 2, an operating chamber 3 is provided on the top of the vehicle body 1, a handle 4 is fixedly connected to one end of the top of the vehicle body 1, a plurality of rollers 5 are arranged around the bottom of the vehicle body 1, a release groove 6 is opened inside the vehicle body 1, the impact block 2 is movably connected to the inside of the release groove 6, a steel wire rope 8 is fixedly connected to the top of the impact block 2, and a winch 7 is fixedly connected to the top of the steel wire rope 8, a hydraulic cylinder 14 is provided at the bottom of the operating chamber 3, one end of the hydraulic cylinder 14 is fixedly connected to a movable seat 15, the top of the movable seat 15 is fixedly connected to a motor 9, one end of the motor 9 is fixedly connected to a limited gear ring 10, one end of the limited gear ring 10 is plug-connected to a connecting ring 11, one side of the connecting ring 11 is fixedly connected to a rotating shaft 13, and the middle part of the rotating shaft 13 is fixedly connected to the winch 7;
[0022] Among them, when it is necessary to test the hardness of the road, the impact block 2 will be located at the top of the release groove 6, and then the hydraulic cylinder 14 will be started, the hydraulic cylinder 14 will drive the movable seat 15 to move, the movable seat 15 will drive the motor 9 to move, and the motor 9 will drive the limiting gear ring 10 to move, so that the limiting gear ring 10 is separated from the inside of the connecting ring 11. When the limiting gear ring 10 is separated from the connecting ring 11, the activity restriction of the winch 7 is released, and the impact block 2 will move downward along the inside of the release groove 6 under the action of gravity. The release groove 6 will drive the wire rope 8 to move downward and cause an impact on the road surface, so as to judge whether the road hardness is qualified according to the ground condition after the impact. The operation is simple and convenient;
[0023] Secondly, when the detection is completed, the hydraulic cylinder 14 is started, the hydraulic cylinder 14 will drive the movable seat 15 to move, the movable seat 15 will drive the motor 9 to move, the motor 9 will drive the limiting gear ring 10 to be inserted into the interior of the connecting ring 11, and then the motor 9 is started, the motor 9 will drive the limiting gear ring 10 to rotate, the limiting gear ring 10 will drive the connecting ring 11 to rotate, the connecting ring 11 will drive the rotating shaft 13 to rotate, the rotating shaft 13 will drive the winch 7 to rotate, the winch 7 will drive the wire rope 8 to be wound around the inside of the winch 7, so that the wire rope 8 drives the impact block 2 to move upward, so that the impact block 2 moves upward to the top of the release groove 6;
[0024] Furthermore, a limiting tooth groove 12 is processed on one side of the connecting ring 11, and the limiting tooth ring 10 is plug-connected to the inside of the limiting tooth groove 12. The movable seat 15 drives the motor 9 to move, and the motor 9 drives the limiting tooth ring 10 to be plugged into the inside of the limiting tooth groove 12. When the limiting tooth ring 10 rotates, it drives the capstan 7 to rotate through the connecting ring 11 and the rotating shaft 13. When the limiting tooth ring 10 is separated from the limiting tooth groove 12, the movement restriction of the capstan 7 is released.
[0025] Furthermore, a fixing plate 20 and a support plate 21 are provided on both sides of the capstan 7. One end of the rotating shaft 13 is rotatably connected to the inside of the fixing plate 20, and the other end of the rotating shaft 13 is rotatably connected to the inside of the support plate 21. By providing the fixing plate 20 and the support plate 21, when the limiting gear ring 10 drives the rotating shaft 13 to rotate, the two ends of the rotating shaft 13 will rotate inside the fixing plate 20 and the support plate 21.
[0026] Furthermore, two ends of the movable seat 15 are fixedly connected to two connecting blocks 16, and the interior of the connecting block 16 is movably connected to a sliding rod 17. One end of the sliding rod 17 is fixedly connected to one side of the fixed plate 20, and the other end of the sliding rod 17 is fixedly connected to the inner wall of the operating chamber 3. When the hydraulic cylinder 14 pushes the movable seat 15 to move, the movable seat 15 will drive the connecting block 16 to move, and the connecting block 16 will move along the outside of the sliding rod 17. By providing the sliding rod 17, the sliding rod 17 will limit the movement of the movable seat 15, so that the movable seat 15 remains stable during movement.
[0027] Furthermore, the bottom of the movable seat 15 is fixedly connected to a slider 18, and the bottom of the operating cavity 3 is processed with a slide groove 19. The slider 18 is movably connected inside the slide groove 19. By providing the slider 18, the slider 18 will limit the movement of the movable seat 15, so that the movable seat 15 remains stable when it moves.
[0028] Working principle: By starting the hydraulic cylinder 14, the hydraulic cylinder 14 will drive the movable seat 15 to move, the movable seat 15 will drive the motor 9 to move, and the motor 9 will drive the limiting gear ring 10 to move, so that the limiting gear ring 10 is separated from the inside of the connecting ring 11. When the limiting gear ring 10 is separated from the connecting ring 11, the movement restriction of the winch 7 is released, and the impact block 2 will move downward along the inside of the release groove 6 under the action of gravity and cause an impact on the road surface, thereby judging whether the road hardness is qualified. The operation is simple and convenient.
[0029] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.
Claims
1. A road hardness testing device, comprising a vehicle body (1) and an impact block (2), characterized in that: The top of the vehicle body (1) is provided with an operating chamber (3), one end of the top of the vehicle body (1) is fixedly connected to a handle (4), a plurality of rollers (5) are provided around the bottom of the vehicle body (1), a release groove (6) is provided inside the vehicle body (1), the impact block (2) is movably connected inside the release groove (6), the top of the impact block (2) is fixedly connected to a steel wire rope (8), the top end of the steel wire rope (8) is fixedly connected to a winch (7), the operating chamber (3) is provided with a plurality of rollers (5) around the bottom of the vehicle body (1), a release groove (6) is provided inside the vehicle body (1), the impact block (2) is movably connected to the inside of the release groove (6), the top of the impact block (2) is fixedly connected to a steel wire rope (8), the top end of the steel wire rope (8) is fixedly connected to a winch (7), the operating chamber (3) is provided with a plurality of rollers (5) around the bottom of the vehicle body (1), the ... impact block (2) is fixedly connected to a steel wire rope (8), the top end of the steel wire rope (8) is fixedly connected to a winch (7), the operating chamber (3) is provided with a plurality of rollers (5) around the bottom of the vehicle body (1), the impact block (2) is fixedly connected to a winch (7), the operating chamber (3) is provided with a plurality of rollers (5 ) is provided with a hydraulic cylinder (14) at the bottom, one end of the hydraulic cylinder (14) is fixedly connected to a movable seat (15), the top of the movable seat (15) is fixedly connected to a motor (9), one end of the motor (9) is fixedly connected to a limit gear ring (10), one end of the limit gear ring (10) is plug-connected to a connecting ring (11), one side of the connecting ring (11) is fixedly connected to a rotating shaft (13), and the middle part of the rotating shaft (13) is fixedly connected to the winch (7).
2. A road hardness detection device according to claim 1, characterized in that: A limiting tooth groove (12) is machined on one side of the connecting ring (11), and the limiting tooth ring (10) is plug-connected inside the limiting tooth groove (12).
3. A road hardness detection device according to claim 1, characterized in that: A fixing plate (20) and a support plate (21) are provided on both sides of the winch (7), one end of the rotating shaft (13) is rotatably connected to the inside of the fixing plate (20), and the other end of the rotating shaft (13) is rotatably connected to the inside of the support plate (21).
4. A road hardness detection device according to claim 3, characterized in that: Two ends of the movable seat (15) are fixedly connected to two connecting blocks (16), and the interior of the connecting block (16) is movably connected to a sliding rod (17).
5. A road hardness testing device according to claim 4, characterized in that: One end of the slide rod (17) is fixedly connected to one side of the fixed plate (20), and the other end of the slide rod (17) is fixedly connected to the inner wall of the operating chamber (3).
6. A road hardness testing device according to claim 1, characterized in that: The bottom of the movable seat (15) is fixedly connected to a slider (18), the bottom of the operating cavity (3) is processed with a slide groove (19), and the slider (18) is movably connected inside the slide groove (19).