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Title:
CONTINUOUS TEMPORARY ROOF PROTECTION APPARATUS FOR CONTINUOUS MINING MACHINE, AND CONTINUOUS MINING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/052013
Kind Code:
A1
Abstract:
A continuous temporary roof protection apparatus for a continuous mining machine, and a continuous mining machine, the continuous temporary roof protection apparatus comprising a rolling roof protection part (A), the rolling roof protection part (A) being secured to a machine frame of the continuous mining machine (6) by means of an upright column structure (B); the rolling roof protection part (A) comprises a frame body (A2), a closed track loop (A3), a first roller (A10), a second roller (A1), and an elastic support structure, the first roller (A10) and the second roller (A1) respectively being hinged to two ends of the frame body (A2), the closed track loop (A3) being sleeved over the first roller (A10) and the second roller (A1) and being in rolling connection with the first roller (A10) and the second roller (A1), a plurality of guiding cylinders (A8) being secured on the machine frame (A2), the guiding cylinders (A8) being connected to the elastic support structure, the elastic support structure being in rolling connection with the closed track loop (A3), and the closed track loop (A3) being the component in contact with a gangway roof (4); the continuous mining machine (6) comprises the continuous temporary roof protection apparatus and a cutting mechanism, the cutting mechanism being positioned at the front end of the continuous temporary roof protection apparatus; continuous support of a bare roof after cutting by an excavating device can be implemented, preventing damage to the roof caused by repeated loading and unloading of the roof when the excavating device shifts; anchor rod support operations are carried out at the rear part of the continuous mining machine, implementing parallel cutting and supporting operations, and having high excavation efficiency.

Inventors:
ZHANG NONG (CN)
WEI QUN (CN)
XIE ZHENGZHENG (CN)
Application Number:
PCT/CN2018/112380
Publication Date:
March 19, 2020
Filing Date:
October 29, 2018
Export Citation:
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Assignee:
UNIV CHINA MINING (CN)
International Classes:
E21C35/00; E21D23/06
Foreign References:
SU483530A11975-09-05
CN102410035A2012-04-11
CN203996521U2014-12-10
CN105545337A2016-05-04
CN109209373A2019-01-15
CN204436402U2015-07-01
CN202765124U2013-03-06
CN207093084U2018-03-13
DE3019697A11981-12-10
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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