Distributed coal cutting device for longwall face of coal mine

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United States of America Patent

PATENT NO 12049824
APP PUB NO 20230340877A1
SERIAL NO

17873457

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Abstract

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A distributed coal cutting device for a Longwall face of a coal mine includes coal cutting units, where each coal cutting unit includes one coal cutting machine and two hydraulic supports, the two hydraulic supports are arranged side by side, the arrangement direction of the two hydraulic supports is parallel to the coal wall of the Longwall face, and the coal cutting machine is connected with one of the hydraulic supports. According to the device, multiple coal cutting machines are used for simultaneously carrying out coal cutting operation, and single-point coal cutting is changed into multiple-point simultaneous coal cutting, so that the coal cutting production capacity and the production efficiency are greatly improved. The multiple coal cutting machines can derive multiple control modes, so that the production flexibility and adaptability are improved.

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Patent Owner(s)

Patent OwnerAddress
HENAN POLYTECHNIC UNIVERSITY454003 NO 2001 CENTURY AVENUE HI TECH ZONE HENAN JIAOZUO JIAOZUO CITY HENAN PROVINCE 454003

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hou, Zhiqiang Henan, CN 10 25
Li, Mengzhuo Henan, CN 1 0
Xie, Shuaishuai Henan, CN 1 0
Yuan, Ruifu Henan, CN 1 0

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