A sampling device for testing soil and rock in roadbed
By combining a hydraulic telescopic rod and a motor-driven rotating column, the problem of difficult demolding of soil and rock is solved, realizing automatic demolding and cleaning of soil and rock, and improving the convenience and efficiency of the sampling device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN DAWSON ENG DESIGN CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-07-03
Smart Images

Figure CN224451575U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of roadbed soil and rock testing, and in particular to a roadbed soil and rock testing sampling device. Background Technology
[0002] Subgrade geotechnical testing is a crucial part of infrastructure construction such as road and railway engineering. Its core purpose is to provide a scientific basis for subgrade design, construction and subsequent maintenance by testing and analyzing the physical and mechanical properties and geological structure of the soil and rock within the subgrade area, thereby ensuring the stability and safety of the project.
[0003] Regarding the aforementioned technologies, the inventors have discovered the following drawbacks: In the prior art, after the drill bit has taken samples of the roadbed, it is not convenient to demold the soil and rock. As a result, when demolding the soil and rock, workers need to use hard objects such as hammers to strike the drill bit, which not only consumes a lot of time but also increases the workload of the workers. Utility Model Content
[0004] To facilitate the demolding of soil and rock inside the drill bit, this application provides a sampling device for testing soil and rock in roadbed.
[0005] This application provides a roadbed soil and rock testing and sampling device, which adopts the following technical solution: it includes a base plate, a support frame is fixedly connected to the top of the base plate, an installation groove is opened on the top of the support frame, a hydraulic telescopic rod is fixedly connected to the inner wall of the installation groove, a sampling device is fixedly connected to the bottom output end of the hydraulic telescopic rod, a hole is opened on the top of the base plate, a connecting plate one is fixedly connected to the front of the support frame, and a connecting plate two is fixedly connected to the side of the front of the support frame near the connecting plate one.
[0006] A motor is installed on the top of the connecting plate. A rotating column is fixedly connected to the output end of the motor via a coupling. A toggle block is fixedly connected to the outer wall of the rotating column. A movable frame is installed on the left side of the toggle block. An impact block is fixedly connected to the left side of the movable frame.
[0007] Optionally, the base plate is provided with a striking component on the front side. The number of striking components is [number], and two striking components are arranged symmetrically. The two striking components contain the same parts. The striking component includes a fixing plate, and the bottom of the fixing plate is fixedly connected to the top of the connecting plate.
[0008] Optionally, the front of the fixed plate is fixedly connected to the back of the motor, a limiting column is fixedly connected to the inner wall of the movable frame, the top of the limiting column is in contact with the bottom of the toggle block, a vertical plate is fixedly connected to the top of the connecting plate, a rotating plate is rotatably connected to the front of the vertical plate, and a spring telescopic column is fixedly connected to the right side of the rotating plate.
[0009] Optionally, the right side of the spring telescopic column is rotatably connected to the front of the movable frame, and a bevel gear is fixedly connected to the outer wall of the rotating column away from the actuating block. A bevel gear column is meshed with the left side of the bevel gear.
[0010] Optionally, a cleaning component is provided below the bevel gear column, and the tapping component located on the right side is meshed with the tapping component located on the left side through the bevel gear column. The cleaning component includes a fixed shell, the bottom of which is fixedly connected to the top of the connecting plate two, and a limit plate is fixedly connected to the inner wall of the fixed shell.
[0011] Optionally, a limiting hole is provided on the left side of the limiting plate, a bidirectional threaded rod is rotatably connected to the inner wall of the limiting hole, a rotating block is fixedly connected to the left side of the bidirectional threaded rod, and a moving claw is threadedly connected to the outer wall of the bidirectional threaded rod.
[0012] Optionally, a scraper is fixedly connected to the bottom of the movable claw. There are two movable claws, which are symmetrical about the limiting plate. The movable claws are adapted to the sampling device.
[0013] In summary, this application includes the following beneficial technical effects:
[0014] 1. This utility model incorporates components such as a motor, a rotating column, and a moving frame. The motor's activation causes the rotating column to rotate clockwise, simultaneously driving a moving block to rotate synchronously. This causes the moving frame to reciprocate with stored energy. When the moving frame ejects, it strikes the outer wall of the sampling device using two impact blocks. Since there are two impact blocks, both simultaneously strike the sampling device, causing the internal soil and rock to fall out due to the vibration. This avoids the problem of difficult demolding requiring manual tapping by workers, which is time-consuming and reduces their workload.
[0015] 2. This utility model, by incorporating components such as a bidirectional threaded rod, a rotating block, and movable claws, allows the sampling device to be pulled upwards when the rotating block is turned. This causes the rotating block to rotate clockwise, which in turn moves the two movable claws in opposite directions until they contact the outer wall of the sampling device. At this point, the hydraulic telescopic rod is activated to raise the sampling device. Simultaneously, two scrapers clean the outer wall of the sampling device, removing any adhering soil or rock. This allows the device to clean the soil and rock adhering to the outer wall during retrieval, improving overall convenience and reducing the workload of personnel. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;
[0017] Figure 2 This is a schematic diagram of the structure of the mobile frame in an embodiment of this application;
[0018] Figure 3 This is an embodiment of the present application. Figure 2 A magnified structural diagram of A in the middle;
[0019] Figure 4 This is a schematic diagram of the limiting plate in an embodiment of this application.
[0020] Reference numerals: 1. Base plate; 11. Support frame; 111. Hydraulic telescopic rod; 12. Sampling equipment; 13. Connecting plate one; 14. Connecting plate two; 2. Impact assembly; 21. Fixing plate; 211. Motor; 212. Rotating column; 22. Moving frame; 221. Limiting column; 23. Vertical plate; 231. Rotating plate; 232. Spring telescopic column; 24. Impact block; 25. Actuating block; 26. Bevel gear; 261. Bevel gear column; 3. Cleaning assembly; 31. Fixing shell; 311. Limiting plate; 32. Bidirectional threaded rod; 321. Rotating block; 33. Moving claw; 331. Scraper. Detailed Implementation
[0021] The following is in conjunction with the appendix Figures 1-4 This application will be further described in detail below. The technical solutions in the embodiments of this application will be clearly described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.
[0022] This application discloses a sampling device for testing soil and rock in highway subgrade. For example... Figure 1 , Figure 2 , Figure 3 As shown, it includes a base plate 1, a support frame 11 fixedly connected to the top of the base plate 1, an installation groove is opened on the top of the support frame 11, a hydraulic telescopic rod 111 is fixedly connected to the inner wall of the installation groove, a sampling device 12 is fixedly connected to the bottom output end of the hydraulic telescopic rod 111, a hole groove is opened on the top of the base plate 1, a connecting plate 13 is fixedly connected to the front of the support frame 11, and a connecting plate 2 14 is fixedly connected to the side of the front of the support frame 11 near the connecting plate 13.
[0023] In this embodiment, a motor 211 is provided above the connecting plate 13. A rotating column 212 is fixedly connected to the output end of the motor 211 via a coupling. A toggle block 25 is fixedly connected to the outer wall of the rotating column 212. The toggle block 25 is shaped like a snail shell. A moving frame 22 is provided on the left side of the toggle block 25. An impact block 24 is fixedly connected to the left side of the moving frame 22. The impact block 24 is made of relatively hard rubber and will not damage the outer wall of the sampling device 12.
[0024] Please see Figure 4 As shown, a cleaning component 3 is provided below the bevel gear column 261. The cleaning component 3 includes a fixed shell 31. The bottom of the fixed shell 31 is fixedly connected to the top of the connecting plate 14. A limit plate 311 is fixedly connected to the inner wall of the fixed shell 31.
[0025] Please see Figure 2 As shown, a striking component 2 is provided on the front of the base plate 1. The number of striking components 2 is 1. The two striking components 2 are symmetrically arranged. The two striking components 2 contain the same parts. The striking component 2 includes a fixing plate 21. The bottom of the fixing plate 21 is fixedly connected to the top of the connecting plate 13.
[0026] Please see Figure 4 As shown, a limiting hole is provided on the left side of the limiting plate 311. A bidirectional threaded rod 32 is rotatably connected to the inner wall of the limiting hole. The bidirectional threaded rod 32, which is limited by the limiting hole, can avoid the problem of shaking during rotation. A rotating block 321 is fixedly connected to the left side of the bidirectional threaded rod 32. A moving claw 33 is threadedly connected to the outer wall of the bidirectional threaded rod 32. The inner diameter of the moving claw 33 is the same as the outer diameter of the sampling device 12, so that the two are compatible.
[0027] Please see Figure 2 As shown, the front of the fixed plate 21 is fixedly connected to the back of the motor 211, the inner wall of the movable frame 22 is fixedly connected to the limiting column 221, the top of the limiting column 221 is in contact with the bottom of the toggle block 25, the top of the connecting plate 13 is fixedly connected to the vertical plate 23, the front of the vertical plate 23 is rotatably connected to the rotating plate 231, and the right side of the rotating plate 231 is fixedly connected to the spring telescopic column 232.
[0028] Please see Figure 4 As shown, a scraper 331 is fixedly connected to the bottom of the moving claw 33. The scraper 331 can scrape away the residual rock and soil on the outer wall of the sampling device 12. There are two moving claws 33. The two moving claws 33 are symmetrical about the limiting plate 311. The moving claws 33 are adapted to the sampling device 12.
[0029] Please see Figure 2 As shown, the right side of the spring telescopic column 232 is rotatably connected to the front of the movable frame 22. A bevel gear 26 is fixedly connected to the outer wall of the rotating column 212 away from the actuating block 25. A bevel gear column 261 is meshed with the left side of the bevel gear 26. The striking component 2 on the right side is meshed with the striking component 2 on the left side through the bevel gear column 261.
[0030] The implementation principle of the highway subgrade soil and rock testing sampling device in this embodiment is as follows: After sampling is completed, the sampling device 12 can be raised by activating the hydraulic telescopic rod 111. At this time, the motor 211 is activated to drive the rotating column 212 to drive the actuating block 25 to rotate clockwise. Since the actuating block 25 is snail-shell shaped, the most protruding part of the rotating column 212 and the actuating block 25 will contact the limiting column 221, causing the moving frame 22 to move to the right. At this time, the spring telescopic column 232 is under the influence of tension and begins to store force until the limiting column 221 leaves the protruding part of the actuating block 25. At this time, the moving frame 22 will drive the impact block 24 to move towards the sampling device 12 under the action of the spring telescopic column 232, striking it. Since the outer wall of the rotating column 212 is fixed with a bevel gear 26 that meshes with the bevel gear column 261, the rotating column 212 will drive another cleaning component 3 to move synchronously while rotating, so that the two impact blocks move in tandem. Block 24 can simultaneously strike the sampling device 12, causing the internal rock and soil to fall out of the sampling device 12 under the vibration generated by the strike. This avoids the problem of difficult demolding that requires manual striking by the staff, which consumes a lot of time and reduces the workload of the staff. When it is necessary to pull the sampling device 12 upward, the rotating block 321 can be turned to drive the bidirectional threaded rod 32 to rotate clockwise. The clockwise rotation of the bidirectional threaded rod 32 will drive the two moving claws 33 to move in opposite directions until the two moving claws 33 contact the outer wall of the sampling device 12. At this time, the hydraulic telescopic rod 111 is activated to raise the sampling device 12. At this time, the two scrapers 331 will clean the outer wall of the sampling device 12 and scrape off the rock and soil adhering to the outer wall. This allows the device to clean the rock and soil adhering to the outer wall of the sampling device 12 during the recovery process, improving the overall convenience of the device and reducing the workload of the staff.
[0031] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A highway subgrade rock-soil detection sampling device comprising a base plate (1), characterized in that: The base plate (1) is fixedly connected to the top of a support frame (11), the support frame (11) has an installation groove at the top, a hydraulic telescopic rod (111) is fixedly connected to the inner wall of the installation groove, a sampling device (12) is fixedly connected to the bottom output end of the hydraulic telescopic rod (111), the base plate (1) has a hole groove at the top, a connecting plate one (13) is fixedly connected to the front of the support frame (11), and a connecting plate two (14) is fixedly connected to the side of the front of the support frame (11) near the connecting plate one (13). A motor (211) is provided above the connecting plate (13). A rotating column (212) is fixedly connected to the output end of the motor (211) via a coupling. A toggle block (25) is fixedly connected to the outer wall of the rotating column (212). A movable frame (22) is provided on the left side of the toggle block (25). An impact block (24) is fixedly connected to the left side of the movable frame (22).
2. The highway subgrade rock-soil detection sampling device according to claim 1, characterized in that: The base plate (1) is provided with a striking component (2) on the front. The number of striking components (2) is 1. The two striking components (2) are symmetrically arranged. The two striking components (2) contain the same parts. The striking component (2) includes a fixing plate (21). The bottom of the fixing plate (21) is fixedly connected to the top of the connecting plate (13).
3. The highway subgrade rock-soil detection sampling device according to claim 2, characterized in that: The front of the fixed plate (21) is fixedly connected to the back of the motor (211). The inner wall of the movable frame (22) is fixedly connected to a limiting column (221). The top of the limiting column (221) is in contact with the bottom of the toggle block (25). The top of the connecting plate (13) is fixedly connected to a vertical plate (23). The front of the vertical plate (23) is rotatably connected to a rotating plate (231). The right side of the rotating plate (231) is fixedly connected to a spring telescopic column (232).
4. The highway subgrade rock-soil detection sampling device according to claim 3, characterized in that: The right side of the spring telescopic column (232) is rotatably connected to the front of the movable frame (22). A bevel gear (26) is fixedly connected to the outer wall of the rotating column (212) away from the actuating block (25). A bevel gear column (261) is meshed with the left side of the bevel gear (26).
5. The highway subgrade rock-soil detection sampling device according to claim 4, characterized in that: A cleaning component (3) is provided below the bevel gear column (261). The cleaning component (3) located on the right side is meshed with the cleaning component (3) located on the left side through the bevel gear column (261). The cleaning component (3) includes a fixed shell (31). The bottom of the fixed shell (31) is fixedly connected to the top of the connecting plate (14). A limit plate (311) is fixedly connected to the inner wall of the fixed shell (31).
6. The highway subgrade rock-soil detection sampling device according to claim 5, characterized in that: The limiting plate (311) has a limiting hole on the left side, and a bidirectional threaded rod (32) is rotatably connected to the inner wall of the limiting hole. A rotating block (321) is fixedly connected to the left side of the bidirectional threaded rod (32), and a moving claw (33) is threadedly connected to the outer wall of the bidirectional threaded rod (32).
7. A sampling device for testing soil and rock in roadbed according to claim 6, characterized in that: The bottom of the movable claw (33) is fixedly connected to a scraper (331). There are two movable claws (33). The two movable claws (33) are symmetrical about the limiting plate (311). The movable claws (33) are adapted to the sampling device (12).