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Patent Searching and Data


Title:
SPECIAL PICK OF COMPOSITE ROTARY CUTTING EXCAVATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/040456
Kind Code:
A1
Abstract:
A special pick of a composite rotary cutting excavating machine, arranged on a cutting part of a boring and working front end of a composite rotary cutting excavating machine. The special cutting pick comprises a pick head (61) and a pick handle (31), an alloy head (66) is welded or integrally formed on the pick head (61), and an impact handle (68) is integrally provided on a tail end of a handle part of the pick handle (31). The special pick of the excavating machine has a long service life, high efficiency and low power consumption.

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:
CN2017/000549
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:
E21C31/02; E21C35/18
Foreign References:
CN104234713A2014-12-24
CN105003259A2015-10-28
CN103100859A2013-05-15
CN2846430Y2006-12-13
CN102889081A2013-01-23
CN202090918U2011-12-28
US4371210A1983-02-01
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