Road coring holder

Abstract

The utility model relates to a road coring clamp holder which comprises a fixing frame, a transverse plate is fixedly arranged at the top of the fixing frame, a winding box is fixedly arranged on the transverse plate, a winding rod is rotatably arranged in an inner cavity of the winding box, a pull rope is wound on the winding rod, a movable plate is arranged below the transverse plate, clamping plates are symmetrically arranged at the bottom of the movable plate in a sliding mode, and the clamping plates are fixedly arranged on the transverse plate. A threaded rod is rotationally arranged in an inner cavity of the moving plate, the top of the clamping plate is connected with the threaded rod through a moving block, clamping claws are symmetrically arranged on the two sides of the clamping plate, a fixing rod is fixedly arranged on the top of the moving plate, the tops of the clamping claws are hinged to the fixing rod, and the top ends of the clamping claws are fixedly connected with a pull rope. The fixing frame can be accurately parked at a road core sample drilling position, the core sample is clamped after the clamping plate enters the drilling hole, the winding rod can be manually rotated, the purpose of self-weight self-locking of the clamping and fixing claw is achieved, the core sample clamping and fixing stability is improved, and the situation that the core sample falls off when taken out is effectively avoided.

Description

Technical Field

[0001] The utility model relates to a road coring clamp and belongs to the technical field of coring clamps. Background Art

[0002] During the road paving process, in order to detect the road quality, it is necessary to drill holes in the road to take samples. In the existing sampling technology, the road core is mostly cut by rotating a saw barrel. After cutting, part of the road core will remain in the potholes, and the saw barrel is difficult to remove, so a clamp is required.

[0003] The utility model with application number 202122486918.X provides an auxiliary coring clamp for road sampling, including an inverted U-shaped bracket, an inverted U-shaped connecting frame can be raised and lowered in the U-shaped bracket, and two arc-shaped clamps can be close to each other in the U-shaped connecting frame; the auxiliary coring clamp for road sampling solves the problem that the existing road core sampling requires a long clamping time and a large force; however, the road core sample itself is heavy, and the entire device needs to be taken out during the coring operation. If the clamping is unstable, the core sample is likely to fall off, and excessive clamping force will also cause damage to the core sample, affecting the efficiency of road coring. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a road coring clamp to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A road core clamp comprises a fixed frame, a horizontal plate is fixedly provided on the top of the fixed frame, a winding box is fixedly provided on the horizontal plate, a winding rod is rotatably provided in the inner cavity of the winding box, a pull rope is wound on the winding rod, a movable plate is provided under the horizontal plate, a clamping plate is symmetrically slidably provided at the bottom of the movable plate, a threaded rod is rotatably provided in the inner cavity of the movable plate, the top of the clamping plate is connected to the threaded rod through a movable block, clamping claws are symmetrically provided on both sides of the clamping plate, a fixing rod is fixedly provided on the top of the movable plate, the tops of the clamping claws are hinged to the fixing rod, and the tops of the clamping claws are fixedly connected to the pull rope.

[0007] Preferably, a support rod is fixedly provided at the bottom of the fixing frame, and movable wheels are fixedly provided at the bottom of each support rod. A placement plate is fixedly provided at the bottom left side of the fixing frame, and storage tubes are evenly fixedly provided on the placement plate.

[0008] Preferably, a guide groove is provided on the inner wall of the fixing frame, a guide block is fixedly provided at a position corresponding to the guide groove at the left end of the movable plate, and a positioning rod is fixedly provided at the top of the fixing frame.

[0009] Preferably, a limit baffle is fixedly provided on the winding rod, and a rotating handle is fixedly connected to the right end passing through the winding box, a ratchet is fixedly provided on the winding rod, a pawl is provided above the ratchet, a toggle rod is fixedly provided on the top of the winding box, and the toggle rod is connected to the pawl.

[0010] Preferably, one end of the threaded rod passes through the right side of the movable plate and is fixed with a rotating ring, a sliding groove is provided at the bottom of the movable plate, the threaded rod is arranged in the sliding groove, and the threads at both ends of the threaded rod are symmetrically arranged, and a rectangular through hole for the clamping claw to pass through is provided on the movable plate.

[0011] Preferably, a clamping block is fixedly provided at the bottom of the clamping claw, and the clamping block is located between the clamping plates, the top of the clamping claw is cross-arranged, a hinge seat is fixedly provided at the top of the fixing rod, and the intersection of the clamping claws is located in the hinge seat.

[0012] Preferably, the clamping plate is arranged in an arc shape, and anti-skid rings are evenly fixed on the inner wall of the clamping plate, and anti-skid pads are fixed on the inner surface of the clamping block.

[0013] Preferably, a connecting rope is fixedly provided between the top ends of the clamping claws, the pull rope is fixedly connected to the middle of the connecting rope, and the distance between the top ends of the clamping claws is greater than the distance between the bottom ends of the clamping claws.

[0014] The beneficial effects of the utility model are:

[0015] 1. By setting the clamping plate, when in use, the fixed frame is parked above the place where the core sample of the road is drilled, and the movable plate can be moved downward so that the clamping plate enters the drilling hole, and the clamping plate is relatively moved by the threaded rod to clamp the road core sample;

[0016] 2. By setting the clamping claws, after the clamping plate is clamped, the movable plate can be pulled upward by the pull rope, so that the top of the clamping claw is forced to move inward, so that the clamping block at the bottom is closer to the surface of the core sample, which can achieve the purpose of self-weight self-locking during coring, further improve the clamping purpose of the core sample, effectively avoid the core sample from falling when it is taken out, and avoid the core sample from being damaged due to excessive clamping force;

[0017] 3. By setting up a winding box, after the core sample is clamped, the winding rod can be manually rotated to wind the pull rope onto the winding rod, so that the movable plate is stretched and lifted upward, and the road core sample can be taken out. The operation is simpler and very labor-saving, reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of a road coring clamp of the utility model;

[0020] Figure 2 It is a schematic diagram of a winding box of a road coring clamp of the utility model;

[0021] Figure 3 This is a schematic diagram of the clamping claw structure of a road coring clamp of the utility model;

[0022] Figure 4 It is a schematic diagram of a clamping plate of a road coring clamp of the utility model when viewed from the bottom;

[0023] Numbers in the figure: 1. Fixed frame; 2. Horizontal plate; 3. Winding box; 4. Winding rod; 5. Pull rope; 6. Moving plate; 7. Clamping plate; 8. Threaded rod; 9. Clamping claw; 10. Fixed rod; 11. Support rod; 12. Storage cylinder; 13. Guide groove; 14. Positioning rod; 15. Rotating handle; 16. Ratchet; 17. Ratchet pawl; 18. Slide groove; 19. Clamping block; 20. Articulated seat; 21. Connecting rope. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a road coring clamp is provided.

[0026] Embodiment 1

[0027] like Figure 1-4As shown, a road coring clamp according to an embodiment of the utility model comprises a fixed frame 1, a horizontal plate 2 is fixedly provided on the top of the fixed frame 1, a winding box 3 is fixedly provided on the horizontal plate 2, a winding rod 4 is rotatably provided in the inner cavity of the winding box 3, a pull rope 5 is wound on the winding rod 4, a movable plate 6 is provided below the horizontal plate 2, a clamping plate 7 is symmetrically slidably provided at the bottom of the movable plate 6, a threaded rod 8 is rotatably provided in the inner cavity of the movable plate 6, the top of the clamping plate 7 is connected to the threaded rod 8 through a moving block, clamping claws 9 are symmetrically provided on both sides of the clamping plate 7, a fixed rod 10 is fixedly provided on the top of the movable plate 6, the tops of the clamping claws 9 are hinged to the fixed rod 10, the tops of the clamping claws 9 are fixedly connected to the pull rope 5, and the bottom of the fixed frame 1 is fixed A support rod 11 is provided, and a moving wheel is fixedly provided at the bottom of the support rod 11. A placement plate is fixedly provided at the bottom left side of the fixed frame 1, and a storage tube 12 is evenly fixedly provided on the placement plate, so as to facilitate the movement of the fixed frame 1 on the road, thereby facilitating the removal of the road core sample. A guide groove 13 is opened on the inner wall of the fixed frame 1, and a guide block is fixedly provided at the left end of the movable plate 6 at a position corresponding to the guide groove 13. A positioning rod 14 is fixedly provided on the top of the fixed frame 1. When the fixed frame 1 is moved, the positioning rod 14 can be stopped next to the core sample drilling hole to facilitate the positioning of the fixed frame 1, and the movable plate 6 can accurately move downward under the action of the guide groove 13 to ensure that the clamping plate 7 can be accurately inserted into the core sample drilling hole, and the operation is simpler.

[0028] Embodiment 2

[0029] like Figure 1-4As shown, a road coring clamp according to an embodiment of the utility model comprises a fixed frame 1, a transverse plate 2 is fixedly provided on the top of the fixed frame 1, a winding box 3 is fixedly provided on the transverse plate 2, a winding rod 4 is rotatably provided in the inner cavity of the winding box 3, a pull rope 5 is wound on the winding rod 4, a movable plate 6 is provided under the transverse plate 2, a clamping plate 7 is symmetrically slidably provided at the bottom of the movable plate 6, a threaded rod 8 is rotatably provided in the inner cavity of the movable plate 6, the top of the clamping plate 7 is connected to the threaded rod 8 through a moving block, clamping claws 9 are symmetrically provided on both sides of the clamping plate 7, a fixed rod 10 is fixedly provided on the top of the movable plate 6, the top of the clamping claws 9 are hinged to the fixed rod 10, the top of the clamping claws 9 is fixedly connected to the pull rope 5, a limit baffle is fixedly provided on the winding rod 4, and the right end passes through the winding box 3 and is fixedly connected to a rotating handle 15, There is a ratchet 16, and a pawl 17 is provided above the ratchet 16. A toggle rod is fixedly provided on the top of the winding box 3, and the toggle rod is connected to the pawl 17. By turning the handle 15, people can rotate the winding rod 4 to lift the movable plate 6 upward, and the ratchet 16 cooperates with the pawl 17 to prevent the winding rod 4 from reversing due to gravity. Only after the pawl 17 is toggled, the movable plate 6 can be moved downward to put down the road core sample. One end of the threaded rod 8 passes through the right side of the movable plate 6 and is fixed with a rotating ring. A sliding groove 18 is provided at the bottom of the movable plate 6. The threaded rod 8 is arranged in the sliding groove 18, and the threads at both ends of the threaded rod 8 are symmetrically arranged. A rectangular through hole through which the clamping claw 9 passes is provided on the movable plate 6. When the clamping plate 7 is inserted into the drilled hole of the road core sample, the threaded rod 8 is rotated, so that the clamping plate 7 can be close to the outer wall of the core sample to achieve the purpose of clamping the core sample.

[0030] Embodiment 3

[0031] like Figure 1-4As shown, a road coring clamp according to an embodiment of the utility model comprises a fixed frame 1, a horizontal plate 2 is fixedly provided on the top of the fixed frame 1, a winding box 3 is fixedly provided on the horizontal plate 2, a winding rod 4 is rotatably provided in the inner cavity of the winding box 3, a pull rope 5 is wound on the winding rod 4, a movable plate 6 is provided below the horizontal plate 2, a clamping plate 7 is symmetrically slidably provided at the bottom of the movable plate 6, a threaded rod 8 is rotatably provided in the inner cavity of the movable plate 6, the top of the clamping plate 7 is connected to the threaded rod 8 through a moving block, clamping claws 9 are symmetrically provided on both sides of the clamping plate 7, a fixed rod 10 is fixedly provided on the top of the movable plate 6, the tops of the clamping claws 9 are hinged to the fixed rod 10, the tops of the clamping claws 9 are fixedly connected to the pull rope 5, the bottoms of the clamping claws 9 are fixedly provided with clamping blocks 19, and the clamping block 1 9 is located between the clamping plates 7, the tops of the clamping claws 9 are cross-arranged, the tops of the fixing rods 10 are fixed with hinged seats 20, the intersection of the clamping claws 9 is located in the hinged seats 20, the clamping plates 7 are arranged in an arc shape, and anti-slip rings are evenly fixed on the inner walls of the clamping plates 7, and anti-slip pads are fixed on the inner surfaces of the clamping blocks 19, and connecting ropes 21 are fixed between the tops of the clamping claws 9, and the pull rope 5 is fixedly connected with the connecting rope 21 in the middle, and the distance between the tops of the clamping claws 9 is greater than the distance between the bottoms of the clamping claws 9. When stretched and lifted upward, the connecting ropes 21 at the tops of the clamping claws 9 will be pulled into a triangle due to gravity, so that the tops of the clamping claws 9 are close to each other, and the clamping block 19 will be close to the surface of the core sample, so as to achieve the purpose of self-weight clamping and ensure that it will not fall during coring.

[0032] In summary, with the help of the above-mentioned technical scheme of the utility model, when this device is in use, the fixed frame 1 is parked above the core sample of the road after drilling, and the movable plate 6 can be moved downward, so that the clamping plate 7 enters the drilling hole, and the clamping plate 7 is relatively moved by the threaded rod 8 to clamp the road core sample. The winding rod 4 is manually rotated to wind the pull rope 5 onto the winding rod 4, so that the movable plate 6 is stretched and lifted upward, and at the same time, the top of the clamping claw 9 is forced to move inward, so that the clamping block 19 at the bottom is closer to the surface of the core sample, which can achieve the purpose of self-locking by self-weight during coring, further improve the clamping purpose of the core sample, and effectively avoid the core sample from falling when it is taken out. The pull rope 5 continues to rise to take out the road core sample, which is simpler to operate and very labor-saving, reducing the labor intensity of workers.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A road coring clamp, comprising a fixing frame (1), characterized in that: A horizontal plate (2) is fixedly provided on the top of the fixed frame (1), a winding box (3) is fixedly provided on the horizontal plate (2), a winding rod (4) is rotatably provided in the inner cavity of the winding box (3), a pull rope (5) is wound on the winding rod (4), a movable plate (6) is provided below the horizontal plate (2), a clamping plate (7) is symmetrically slidably provided at the bottom of the movable plate (6), a threaded rod (8) is rotatably provided in the inner cavity of the movable plate (6), the top of the clamping plate (7) is connected to the threaded rod (8) through a movable block, clamping claws (9) are symmetrically provided on both sides of the clamping plate (7), a fixed rod (10) is fixedly provided on the top of the movable plate (6), the top of the clamping claws (9) are hinged to the fixed rod (10), and the top of the clamping claws (9) is fixedly connected to the pull rope (5).

2. A road coring clamp according to claim 1, characterized in that: A support rod (11) is fixedly provided at the bottom of the fixed frame (1), and a movable wheel is fixedly provided at the bottom of each support rod (11). A placement plate is fixedly provided at the bottom of the left side of the fixed frame (1), and storage tubes (12) are evenly fixedly provided on the placement plate.

3. A road coring clamp according to claim 2, characterized in that: A guide groove (13) is provided on the inner wall of the fixed frame (1), a guide block is fixedly provided at the left end of the movable plate (6) at a position corresponding to the guide groove (13), and a positioning rod (14) is fixedly provided at the top of the fixed frame (1).

4. A road coring clamp according to claim 3, characterized in that: A limit baffle is fixedly provided on the winding rod (4), and a rotating handle (15) is fixedly connected to the right end of the winding rod (4) through the winding box (3). A ratchet (16) is fixedly provided on the winding rod (4), and a pawl (17) is provided above the ratchet (16). A toggle rod is fixedly provided on the top of the winding box (3), and the toggle rod is connected to the pawl (17).

5. A road coring clamp according to claim 4, characterized in that: One end of the threaded rod (8) passes through the right side of the movable plate (6) and is fixed with a rotating ring. A sliding groove (18) is provided at the bottom of the movable plate (6). The threaded rod (8) is arranged in the sliding groove (18), and the threads at both ends of the threaded rod (8) are symmetrically arranged. The movable plate (6) is provided with a rectangular through hole through which the clamping claw (9) passes.

6. A road coring clamp according to claim 5, characterized in that: A clamping block (19) is fixedly provided at the bottom of the clamping claw (9), and the clamping block (19) is located between the clamping plates (7). The top of the clamping claw (9) is cross-arranged, and a hinge seat (20) is fixedly provided at the top of the fixing rod (10), and the intersection of the clamping claw (9) is located in the hinge seat (20).

7. A road coring clamp according to claim 6, characterized in that: The clamping plate (7) is arranged in an arc shape, and an anti-skid ring is evenly fixed on the inner wall of the clamping plate (7), and an anti-skid pad is fixed on the inner surface of the clamping block (19).

8. A road coring clamp according to claim 7, characterized in that: A connecting rope (21) is fixedly arranged between the top ends of the clamping claws (9), the pull rope (5) is fixedly connected to the connecting rope (21) in the middle, and the distance between the top ends of the clamping claws (9) is greater than the distance between the bottom ends of the clamping claws (9).

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