SMALL-SIZE HIGH-ROTATION-SPEED DRILL FOR MECHANICAL REAMING AND DUST-FREE OPERATIONS

WIPO Patent Application WO/2024/083106

A1

The present invention relates to a small-size high-rotation-speed drill for mechanical reaming and dust-free operations, comprising a main unit body, a working mechanism, a harmonic speed reduction apparatus, an inserting and supporting device, a drainage tube pressure transmitter, a dust collecting apparatus, track traveling apparatuses, a drill pipe frame, and an electric pump conversion box; the track travelling apparatuses are fixed to both sides of the main unit body; the working mechanism is provided above the main unit body, and the electric pump conversion box is provided above the main unit body; the main unit body comprises a main unit frame, a mounting plate is provided on the main unit frame, the mounting plate is connected to the working mechanism by means of a slewing reduction apparatus, the electric pump conversion box is provided on one side of the working mechanism, and the drill pipe frame is connected in front of the mounting plate; and the working mechanism is connected to a vertical slewing reducer, and the vertical slewing reducer is connected to the harmonic speed reduction apparatus. According to the present invention, a harmonic reducer is used to drive a rack and a pinion to implement vertical up-down movement, operation is more stable, and the problems of shaking and instability caused by the high-rotation-speed drill are solved.

JIANG JINGYU (CN)
CHEN GANG (CN)
HUANG WENTAO (CN)
LIU YI (CN)

PCT/CN2023/124897

April 25, 2024

October 17, 2023

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JIANGSU ZHONGMEI MINING EQUIPMENT CO LTD (CN)
CHINA UNIV OF MINING AND TECHNOLOGY (CN)

E21B7/02

JIANGYIN YANGZI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)

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