a drill clamp
A drilling tool and telescopic cylinder technology, which is applied in the field of drilling tool clamps, can solve the problems of inability to eliminate reaction force, increase noise, and reduce the operating rate of impact equipment.
Active Publication Date: 2021-04-23
GUIYANG JIESHENG TECH IND DEV
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Problems solved by technology
[0002] When crushing hard stones, after the drill rod is connected with impact equipment such as a vibratory hammer pile driver, the drill rod is collided with the stone under repeated impact force by the impact equipment, because the joint between the drill rod and the impact equipment is hard Connection, the reaction force of the drill rod by the stone cannot be eliminated. Under the action of the reaction force after the drill rod hits the stone, the drill rod will transmit the vibration caused by the hammering to the impact equipment, which will easily cause the connecting parts on the impact equipment Loose, reducing the start-up rate of the impact equipment; at the same time, due to the reaction force, the impact equipment itself will resonate, increasing the noise
Method used
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Embodiment Construction
[0019] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.
[0020] see Figure 1 to Figure 2 shown.
[0021] A drill clamp of the present invention comprises a cover body 1, the cover body 1 is a barrel with a concave end;
[0022] Telescopic cylinder 2, telescopic cylinder 2 is installed inside the cover body 1;
[0023] Spring body 3, at least one infusion tube 4, spring body 3 is a tube body that is hollow in the middle and two ends are airtight, and telescopic cylinder 2 communicates with spring body 3 internal airtight through infusion tube 4.
[0024] Working principle: The outside of the cover body 1 can be provided with threads or through holes to connect with the impact equipment. The inside of the cover body 1 is fixedly connected with one end of the drill body 5 through threads or in any form. After the drill body 5 is fixed and installed, it is connected with the spring body 3...
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The invention discloses a drilling tool holder, which comprises a cover body, the cover body is a bucket body with a concave end; a telescopic cylinder, the telescopic cylinder is installed inside the cover body; The two ends of the hollow are airtight pipe bodies, and the telescopic cylinder is airtightly communicated with the inside of the spring body through the infusion pipe. When the drill body hits the stone, the drill body is pressed against the telescopic cylinder by the reaction force of the stone, and the liquid in the telescopic cylinder is pressed into the spring body through the infusion tube, so that the damping coefficient of the spring body increases, so that the reaction force given by the stone to the drill body is obtained. Elimination, which solves the problem that the reaction force of the drill body cannot be eliminated at present, and avoids the occurrence of noise caused by the drill rod and impact equipment during the impact operation.
Description
technical field [0001] The invention belongs to the technical field of drilling tool accessories, and relates to a drilling tool clamp. Background technique [0002] When crushing hard stones, after the drill rod is connected with impact equipment such as a vibratory hammer pile driver, the drill rod is collided with the stone under repeated impact force by the impact equipment, because the joint between the drill rod and the impact equipment is hard Connection, the reaction force of the drill rod by the stone cannot be eliminated. Under the action of the reaction force after the drill rod hits the stone, the drill rod will transmit the vibration caused by the hammering to the impact equipment, which will easily cause the connecting parts on the impact equipment Loose, reducing the start-up rate of the impact equipment; at the same time, due to the reaction force, the impact equipment itself will resonate, increasing the noise. Contents of the invention [0003] In order ...
Claims
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IPC IPC(8): E21B4/14F16F13/00F16F9/32F16F9/36
CPCE21B4/14F16F9/3207F16F9/369F16F13/007
Inventor 韩阳黄献萩艾泽钟
Owner GUIYANG JIESHENG TECH IND DEV