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Patent Searching and Data


Title:
COMBINED ROTARY-CUTTING MINING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/040459
Kind Code:
A1
Abstract:
A combined rotary-cutting mining machine, a pick (32) being provided on a drum or cutter head (7) of a shield machine. The pick reciprocates in the axial direction of the shield machine at a certain frequency during operation. The shield machine has a long service life and high efficiency.

Inventors:
LI, Shiqing (Zhangzhuang Cinema, XinwenXintai, Shandong 9, 271219, CN)
WANG, Aiquan (129 Jiluolu, Jinan, Shandong 0, 250000, CN)
ZHANG, Jianhua (School of Mechanical Engineering, Shandong University 17923 Jingshi Roa, Jinan Shandong 1, 250061, CN)
Application Number:
CN2017/000552
Publication Date:
March 08, 2018
Filing Date:
September 01, 2017
Export Citation:
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Assignee:
LI, Shiqing (Zhangzhuang Cinema, XinwenXintai, Shandong 9, 271219, CN)
International Classes:
E21C25/52
Foreign References:
CN105003259A2015-10-28
CN104234713A2014-12-24
CN103790584A2014-05-14
CN202745687U2013-02-20
CN103437776A2013-12-11
CN104612677A2015-05-13
US4080000A1978-03-21
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