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Dedusting device for down-hole hammer drilling machine

A technology of dust removal device and down-the-hole hammer, which is applied in construction and other directions, and can solve problems such as polluting the environment, affecting the power of internal combustion engines, and damaging human health

Active Publication Date: 2015-08-26
SUNWARD INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Rock powder and sludge are directly discharged into the air from the casing orifice, polluting the environment and damaging personal health, and enter the intake filter of the internal combustion engine, reducing the life of the filter and affecting the power of the internal combustion engine

Method used

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  • Dedusting device for down-hole hammer drilling machine
  • Dedusting device for down-hole hammer drilling machine

Examples

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] see figure 1 At present, during the working process of the down-the-hole hammer drilling rig, the airflow carrying rock powder and sludge moves upwards from the annular gap between the drill pipe 2 and the casing 8, and finally directly discharges into the air at the casing 8 orifice.

[0017] see figure 2 , the dust removal device for down-the-hole hammer drilling rigs provided by the present invention includes a circular top cover 1, the circular top cover 1 is provided with a sealing ring 3 assembled with the drill pipe 2, and the sealing ring 3 can be replaced with different specifications to adapt to different diameters A hoist 4 is installed on the round top cover 1, and the upper end of a cylindrical cord 7 that can cover the casing 8 is bundled and installed on the round top cover 1, and the cylindrical cord 7 is axially spaced...

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PUM

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Abstract

The invention discloses a dedusting device for a down-hole hammer drilling machine. The device comprises a top hood, a seal ring (3) fitted with a drill stem is arranged on the top hood (1), a winding engine (4) is installed on the top hood, the upper end of a piece of cord fabric which is capable of mantling a sheathed tube is installed on the top hood, multiple steel support rings (9) are arranged on the cord fabric at intervals in the axial direction, and the tail end of a steel wire rope (5) twined on the winding engine (4) is fixed to the steel support ring (9) which is located at the bottommost position. In the working process, air flow carrying dust and sludge moves upward in an annular gap between the drill stem and the sheathed tube. When reaching the top hood, the air flow is bounced downward and guides the dust and the sludge to the ground through an annular gap between the cord fabric and the sheathed tube (8).

Description

technical field [0001] The invention relates to a dust removal device, in particular to a dust removal device for a DTH large-diameter down-the-hole hammer drill. Background technique [0002] At present, during the working process of the down-the-hole hammer drilling rig, due to the large air volume and high air pressure of the air compressor, there are more rock dust and sludge discharged. Rock powder and sludge are directly discharged into the air from the casing orifice, polluting the environment and damaging personal health, and enter the intake filter of the internal combustion engine, reducing the life of the filter and affecting the power of the internal combustion engine. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a dust removal device for a down-the-hole hammer drill that can prevent dust and mud from blowing into the air from the casing mouth. [0004] In order to solve the above problems, the du...

Claims

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Application Information

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IPC IPC(8): E21B21/015E21B21/16
CPCE21B21/015E21B21/16
Inventor 吴晓明朱建新凡知秀
Owner SUNWARD INTELLIGENT EQUIP CO LTD
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