Novel full-automatic pneumatic chuck for mouse hole

A hole pneumatic card, fully automatic technology, applied in drilling equipment, earthwork drilling, drill pipe and other directions, can solve the problems of potential safety hazards, wear and tear of mouse holes, affecting the service life, etc., to achieve compact structure and ensure safety. , the effect of prolonging the service life

Active Publication Date: 2011-11-23
TAIXING GASOLINEEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems in the prior art that the spare drill pipe is placed in the mouse hole and the lower end of the buckle is seriously worn, which affects the service life and has potential safety hazards, the present invention provides a compact structure that can effectively straighten and clamp the spare drill pipe. New automatic mouse hole pneumatic chuck

Method used

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  • Novel full-automatic pneumatic chuck for mouse hole
  • Novel full-automatic pneumatic chuck for mouse hole
  • Novel full-automatic pneumatic chuck for mouse hole

Examples

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing.

[0021] Figure 1-5 As shown, the new fully automatic mouse hole pneumatic chuck includes a box body 1, a righting box body 2, a righting cylinder 3, a left righting block 4, a right righting block 41, an upper connecting block 5, a lower connecting block 51, a sprocket 6, Chain 7, roller 8, guide post 9, guide post spring 10, shift fork 11, first reversing valve 12, second reversing valve 121, clamping cylinder 13, top block 14, slider 15, slide rail 16 , Push rod 17, pliers head 18, back-moving spring 20, dental plate 21 and reversing switch 22. The righting box 2 is installed on the four guide pillars 9 in the box body 1, and the bottom of the righting box 2 is supported on the four guide pillars by the guide post spring 10 sleeved on the guide pillars 9 in a state of floating up and down. Cylinder 3 is symmetrically installed on the four corners of the righting box 2, ...

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Abstract

The invention relates to a full-automatic pneumatic chuck for a mouse hole. The full-automatic pneumatic chuck provided by the invention comprises a box, a centering system for centering a drill rod, a clamping system for clamping the drill rod and a control air channel for controlling the centering system and the clamping system, wherein the centering system is installed in the box. In the invention, the control air channel controls the centering system and the clamping system to realize that a reserved drill rod is stably arranged in the mouse hole; the chuck has the advantages of compactness in structure and high automation control degree; the reversed drill rod can be effectively centered and clamped and a square drill rod and the reserved drill rod are convenient to abut joint; and the abrasion of the reserved drill rod in the mouse hole is reduced, thereby prolonging the service life and ensuring the safety for abutting joint of the drill rods in an oil field.

Description

technical field [0001] The invention relates to a pneumatic chuck, in particular to a new full-automatic mouse hole pneumatic chuck used for adding drill pipes from a mouse hole in the drilling operation process. Background technique [0002] In oil drilling operations, it is necessary to improperly add spare drill pipes from the mouse hole to increase the drilling depth. The spare drill pipe is left empty in the mouse hole, and the bottom of the mouse hole is filled with sand and gravel. To live in sand and gravel, the upper end of the drill pipe (button end) exposes the mouse hole. When adding spare drill pipes, the male kelly is connected to the female shank at the upper end of the spare drill pipe. When the kelly is rotated and hooked up, the spare drill pipe is driven to rotate. The male shank at the lower end of the drill pipe is severely worn in the sand and gravel, which seriously affects the drill pipe. The service life of the drill pipe increases, the cost of oil ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B19/10E21B17/10
Inventor 秦鹏周磊吴余祥
Owner TAIXING GASOLINEEUM MACHINERY
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