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Patent Searching and Data


Title:
LARGE-MINING-HEIGHT DIGGING AND ANCHORING ALL-IN-ONE MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/160481
Kind Code:
A1
Abstract:
A large-mining-height digging and anchoring all-in-one machine, comprising a machine frame (1), a cutting device (002), a walking device (003), an anchor rod drill (2), a roof-anchor drill adjusting device (3), a temporary support device, a scraper conveyor (005), a scraper chain compensation device (004) and a double-deck work platform (0010), wherein the roof-anchor drill adjusting device (3) is installed below the anchor rod drill (2). A lifting stroke of the anchor rod drill (2) of the large-mining-height digging and anchoring all-in-one machine can be adjusted, so that good contact between the roof-anchor drill adjusting device (3) and a tunnel roof is guaranteed, the construction stability of the anchor rod drill (2) is improved, and the work requirement of a large mining height is met.

Inventors:
WANG BUKANG (CN)
ZHANG XIAOFENG (CN)
WANG DIANWU (CN)
LI FAQUAN (CN)
MA KAI (CN)
QIAO YANHUA (CN)
MA QIANG (CN)
JIA JIANWEI (CN)
SONG DONG (CN)
WANG NINGNING (CN)
Application Number:
PCT/CN2021/088807
Publication Date:
August 04, 2022
Filing Date:
April 21, 2021
Export Citation:
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Assignee:
SHANXI TIANDI COAL MINING MACHINERY CO LTD (CN)
TAI YUAN RESEARCH INSTITUTE OF CHINA COAL TECH & ENGINEERING GROUP (CN)
International Classes:
E21D9/10; E21C25/10; E21C25/66
Foreign References:
CN112855203A2021-05-28
CN107109933A2017-08-29
CN107524454A2017-12-29
CN111425214A2020-07-17
CN210033424U2020-02-07
CN109882167A2019-06-14
DE2851443A11979-05-31
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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