Oil pipe folding leg for hydraulic rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Box case lid frock for hydraulic rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Hydraulic pressure iron notch drill bores towards mechanism
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Hydraulic pressure iron notch drill safety arrangement
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Multi -level buffer device for hydraulic rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Detection device is pulled to piston rod for rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 11.09.2018
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Year of Publication 11.09.2018
Patent