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Impactor

A technology of impactors and components, which is applied in the field of impactors, can solve the problems of axial movement of the inner cylinder and affect the working performance of the impactor, and achieve the effect of improving rock drilling performance

Inactive Publication Date: 2019-01-11
CHANGSHA HEIJINGANG IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, after the impactor works for a period of time, the inner hole hanging platform of the outer cylinder will be worn, so the outer cylinder cannot accurately limit the axial direction of the inner cylinder, resulting in axial movement of the inner cylinder, which affects the working performance of the impactor

Method used

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] The core of the present invention is to provide an impactor, the inner cylinder and the joint will not be separated axially, which ensures the normal operation of the impactor.

[0027] Please refer to figure 1 , figure 1 It is a structural schematic diagram of the impactor provided by the present invention.

[0028] The present invention provides an impactor, comprising an outer cylinder 7, an inner cylinder 102 sleeved inside the outer cylinder 7, a...

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Abstract

The invention discloses an impactor. The impactor includes an outer cylinder, an inner cylinder sleeved in the outer cylinder and a joint arranged at an end portion of the outer cylinder, wherein oneend of the joint extends into the outer cylinder and is connected with the inner cylinder, the middle of the joint is provided with a limit boss abutting and fitting an end surface of the outer cylinder, and the joint and the inner cylinder are an integrated joint inner cylinder component. The impactor is advantaged in that the integrated joint inner cylinder component is adopted, the joint and the inner cylinder have no relative movement in the axial direction, as the middle of the joint is provided with the limit boss, the inner cylinder generates no axial movement in the hole opening process, and work performance is improved.

Description

technical field [0001] The present invention relates to the technical field of drilling tools, and more specifically relates to a hammer. Background technique [0002] The impactor is a tool for blasting and opening operations in mines, water wells and other places. During the working process, the high-pressure air provided by the air compressor enters the front and rear chambers of the impactor to do work, so that the piston produces high-speed reciprocating motion to strike the tail of the drill bit. Finally, the rock is broken through the alloy teeth on the drill bit, and the generated rock slag is blown out of the bottom of the hole by the high-pressure gas discharged from the impactor, and finally the hole is formed. [0003] In the prior art, the impactor mainly includes outer cylinder, inner cylinder, joint, air distribution seat and other components. The central part of the air distribution seat is provided with a boss, and the joint and inner cylinder are respective...

Claims

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Application Information

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IPC IPC(8): E21B1/30
Inventor 杨日平魏正军杨湘龙
Owner CHANGSHA HEIJINGANG IND CO LTD
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