Elastic clamping device convenient for drilling and coring

Abstract

The utility model discloses an elastic clamping device convenient for drilling and coring, which comprises a pipe body and an inner core, the upper end of the inner core is connected with a connecting piece, and the pipe body is internally connected with a connecting frame; a moving block is connected to the connecting frame in a sliding manner; the two moving blocks are in the shape of a right trapezoid; the two moving blocks are symmetrically arranged on the connecting frame in a manner that the inclined surfaces are opposite; a connecting block is connected between the two moving blocks; the two sides of the connecting block are in sliding connection with the inclined face of the connecting frame. The two ends of the connecting block are connected with clamping blocks; a clamping groove matched with the clamping block is formed in the moving block; the two moving blocks move in opposite directions through a connecting block; clamping blocks are connected to the lower ends of the moving blocks; the clamping block is driven by the moving block to be connected with the connecting piece in a clamped mode. The device is simple in structure, convenient to operate and capable of being repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling, in particular to an elastic clamping device convenient for drilling and core sampling. Background Art

[0002] During the exploration of soil, it is necessary to sample the soil. Usually, a pipe is inserted into the ground, and the inner core is taken out for inspection after sampling; in the existing drilling and core sampling process, it is pulled out by using a rope. Since the rope has a certain flexibility and no guiding function, the inner core may shake during the core sampling process. To sum up, the existing drilling and core sampling means in the prior art still need to be improved. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the problems in the prior art, and a kind of elastic clamping device convenient for drilling and core sampling is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An elastic clamping device convenient for drilling and core sampling, including a pipe body and an inner core. A connecting piece is connected to the upper end of the inner core, and a connecting frame is connected inside the pipe body; a moving block is slidably connected to the connecting frame; the moving block is a right trapezoid and there are two; the two moving blocks are symmetrically arranged on the connecting frame with their inclined surfaces facing each other; a connecting block is connected between the two moving blocks; both sides of the connecting block are slidably connected to the inclined surfaces of the connecting frame; clamping blocks are connected to both ends of the connecting block; a clamping groove matching the clamping block is arranged on the moving block; the two moving blocks move in opposite directions through the connecting block; and clamping blocks are connected to the lower ends of the moving blocks; the clamping blocks are driven by the moving blocks to be clamped with the connecting piece.

[0006] Preferably, a sliding block is connected to the upper end of the clamping block; a moving groove matching the sliding block is arranged at the lower end of the connecting frame; there are two moving grooves and they are symmetrically arranged at the lower end of the connecting frame.

[0007] Preferably, the clamping block is an inclined T-shaped; and the inclination angle of the clamping block matches the inclined surface of the moving block.

[0008] Preferably, a connecting rod is connected to the upper end of the connecting block; the upper end of the connecting rod passes through the connecting frame and is connected to a cylinder; a handle is connected to the cylinder.

[0009] Preferably, a spring is sleeved on the connecting rod; one end of the spring abuts against the upper end of the connecting block; the other end of the spring abuts against the connecting frame.

[0010] Preferably, a fixing block is connected to the upper end of the connecting frame; the fixing block is cylindrical and the outer wall matches the inner wall of the pipe body.

[0011] Preferably, a limiting block is connected to the upper end of the fixing block; the fixing block abuts against the upper end of the pipe body through the limiting block; and the column passes through the limiting block and is connected to the handle.

[0012] Compared with the prior art, the present utility model provides a bullet clamping device convenient for drilling and coring, having the following beneficial effects:

[0013] For the bullet clamping device convenient for drilling and coring, by arranging a connecting frame in the pipe body, pulling the handle upward to pull the connecting block, while the clamping blocks on both sides of the connecting block slide in the clamping slots, driving two moving blocks to move inward, the clamping blocks at the lower ends of the moving blocks can clamp the lower ends of the moving blocks, facilitating the extraction of the inner core; after extraction, it can rebound through the elastic force of the spring, causing the connecting block to move downward, enabling the two moving blocks to move outward, and the two clamping blocks to open, then the inner core can be removed, making the device reusable, and the operation is simple and the stability is strong. Description of the Drawings

[0014] Figure 1 is a structural schematic diagram of the present utility model;

[0015] Figure 2 is a perspective view of the present utility model.

[0016] In the figure: 10, pipe body; 11, inner core; 12, connecting piece; 21, connecting frame; 22, moving block; 23, connecting block; 24, clamping block; 25, clamping slot; 26, clamping block; 27, sliding block; 28, moving slot; 31, connecting rod; 32, column; 33, handle; 34, spring; 35, fixing block; 36, limiting block. Detailed Embodiment

[0017] Next, it will be referred to Figure 1-2, a specific implementation of the cartridge device facilitating core drilling in the present utility model is introduced, including a tube body 10 and a core 11. A connecting member 12 is connected to the upper end of the core 11, and a connecting frame 21 is connected inside the tube body 10; a moving block 22 is slidably connected to the connecting frame 21; the moving block 22 is in the shape of a right trapezoid and there are two of them; the two moving blocks 22 are symmetrically arranged on the connecting frame 21 with their inclined surfaces facing each other; a connecting block 23 is connected between the two moving blocks 22; both sides of the connecting block 23 are slidably connected to the inclined surfaces of the connecting frame 21; both ends of the connecting block 23 are connected with clamping blocks 24; the moving block 22 is provided with a clamping groove 25 matching the clamping block 24; the two moving blocks 22 move in opposite directions through the connecting block 23; and clamping blocks 26 are connected to the lower ends of the moving blocks 22; the clamping blocks 26 are driven by the moving blocks 22 to be clamped with the connecting member 12. During use, by pulling up the connecting block 23, while the clamping blocks 24 on both sides of the connecting block 23 slide in the clamping grooves 25, the two moving blocks 22 are driven to move inward, so that the clamping blocks 26 at the lower ends of the moving blocks 22 can clamp the lower ends of the moving blocks 22. Then, pulling up the connecting block 23 facilitates driving the core 11 to move until the core 11 is taken out.

[0018] To facilitate the movement of the two moving blocks 22, a sliding block 27 is connected to the upper end of the clamping block 26; a moving groove 28 matching the sliding block 27 is provided at the lower end of the connecting frame 21; there are two moving grooves 28 and they are symmetrically arranged at the lower end of the connecting frame 21, which facilitates the movement of the two moving blocks 22 and provides bottom support for the two moving blocks 22 at the same time, increasing the stability of the device.

[0019] To adapt to the movement of the clamping block 24, the clamping block 24 is in the shape of an inclined T; and the inclination angle of the clamping block 24 matches the inclined surface of the moving block 22.

[0020] To facilitate the stretching of the moving block 23, a connecting rod 31 is connected to the upper end of the connecting block 23; the upper end of the connecting rod 31 passes through the connecting frame 21 and is connected with a cylinder 32; a handle 33 is connected to the cylinder 32. During use, just pulling the handle 33 can drive the moving block 23 to move upward.

[0021] A spring 34 is sleeved on the connecting rod 31; one end of the spring 34 abuts against the upper end of the connecting block 23; the other end of the spring 34 abuts against the connecting frame 21; after core extraction, the connecting block 23 rebounds through the elastic force of the spring 34, causing the connecting block 23 to move downward, so that the two moving blocks 22 move outward, the two clamping blocks 26 open, and the core 11 can be removed, which is also convenient for the next use.

[0022] To prevent the connecting frame 21 from sliding down inside the pipe body 10, a fixing block 35 is connected to the upper end of the connecting frame 21; the fixing block 35 is cylindrical and the outer wall thereof matches the inner wall of the pipe body 10; a limiting block 36 is connected to the upper end of the fixing block 35; the fixing block 35 abuts against the upper end of the pipe body 10 through the limiting block 36; and the column body 32 passes through the limiting block 36 and is connected to the handle 33. During use, the connecting frame 21 can be hung inside the pipe body 10 through the limiting block 36, and by pulling the handle 33, the inner core 11 can be clamped until the whole is taken out.

[0023] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, making equivalent substitutions or changes, should be covered by the protection scope of the present invention.

Claims

1. A bullet clamping device convenient for drilling and coring, comprising a pipe body (10) and an inner core (11), wherein a connecting piece (12) is connected to the upper end of the inner core (11), and is characterized in that, A connecting frame (21) is connected inside the pipe body (10); a moving block (22) is slidably connected to the connecting frame (21); the moving block (22) is in the shape of a right trapezoid and there are two of them; the two moving blocks (22) are symmetrically arranged on the connecting frame (21) with their inclined surfaces facing each other; a connecting block (23) is connected between the two moving blocks (22); both sides of the connecting block (23) are slidably connected to the inclined surfaces of the connecting frame (21); both ends of the connecting block (23) are connected with clamping blocks (24); the moving block (22) is provided with a clamping groove (25) matching the clamping block (24); the two moving blocks (22) move in opposite directions through the connecting block (23); and clamping blocks (26) are connected to the lower ends of the moving blocks (22); the clamping blocks (26) are driven by the moving blocks (22) to be clamped with the connecting member (12).

2. The cartridge device for facilitating core drilling according to claim 1, characterized in that, A slider (27) is connected to the upper end of the clamping block (26); a moving groove (28) matching the slider (27) is provided at the lower end of the connecting frame (21); there are two moving grooves (28) and they are symmetrically arranged at the lower end of the connecting frame (21).

3. The cartridge device for facilitating core drilling according to claim 1, characterized in that, The clamping block (24) is in the shape of an inclined T; and the inclination angle of the clamping block (24) matches the inclined surface of the moving block (22).

4. A bullet clamping device facilitating core drilling according to claim 1, characterized in that A connecting rod (31) is connected to the upper end of the connecting block (23); the upper end of the connecting rod (31) passes through the connecting frame (21) and is connected with a cylinder (32); a handle (33) is connected to the cylinder (32).

5. The cartridge device for facilitating coring during drilling according to claim 4, wherein A spring (34) is sleeved on the connecting rod (31); one end of the spring (34) abuts against the upper end of the connecting block (23); the other end of the spring (34) abuts against the connecting frame (21).

6. The cartridge device facilitating core drilling according to claim 4, characterized in that, A fixing block (35) is connected to the upper end of the connecting frame (21); the fixing block (35) is cylindrical and the outer wall thereof matches the inner wall of the pipe body (10).

7. The cartridge device facilitating core drilling according to claim 6, wherein, A limiting block (36) is connected to the upper end of the fixing block (35); the fixing block (35) abuts against the upper end of the pipe body (10) through the limiting block (36); and the cylinder (32) passes through the limiting block (36) and is connected with the handle (33).

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