Rotary drilling machine head

The utility model discloses a rotary drilling machine head which comprises a rotating shaft, a drilling barrel and a sealing cover, and the upper end and the lower end of the sealing cover are correspondingly and fixedly connected with the rotating shaft and the drilling barrel respectively. The sid...

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Hauptverfasser: TANI SATOSHI, DENG YUAN, CHEN XIAOLEI, FU JIANGHONG, LIAO XIAOHUI, YOO CHANG-JONG, ZHANG ZHIYI, WANG HAN, LYU MINXIAO, RAO XIN
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creator TANI SATOSHI
DENG YUAN
CHEN XIAOLEI
FU JIANGHONG
LIAO XIAOHUI
YOO CHANG-JONG
ZHANG ZHIYI
WANG HAN
LYU MINXIAO
RAO XIN
description The utility model discloses a rotary drilling machine head which comprises a rotating shaft, a drilling barrel and a sealing cover, and the upper end and the lower end of the sealing cover are correspondingly and fixedly connected with the rotating shaft and the drilling barrel respectively. The side wall of the drilling cylinder is provided with a grouting hole which is communicated outwards, and a grouting channel which is communicated with the grouting hole is formed among the rotating shaft, the sealing cover and the drilling cylinder. Compared with a traditional barrel-shaped rotary drilling machine head, the rotary drilling machine head provided by the utility model integrates a slurry injection function, slurry with certain pressure can be injected to the side wall of a pile hole through the outer side wall of the drilling barrel in the rotary drilling process, and the slurry can be squeezed into the side wall of the pile hole to reinforce the side wall; meanwhile, the slurry can play a certain lubrica
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Compared with a traditional barrel-shaped rotary drilling machine head, the rotary drilling machine head provided by the utility model integrates a slurry injection function, slurry with certain pressure can be injected to the side wall of a pile hole through the outer side wall of the drilling barrel in the rotary drilling process, and the slurry can be squeezed into the side wall of the pile hole to reinforce the side wall; meanwhile, the slurry can play a certain lubrica</description><language>chi ; eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20231124&amp;DB=EPODOC&amp;CC=CN&amp;NR=220081330U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20231124&amp;DB=EPODOC&amp;CC=CN&amp;NR=220081330U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANI SATOSHI</creatorcontrib><creatorcontrib>DENG YUAN</creatorcontrib><creatorcontrib>CHEN XIAOLEI</creatorcontrib><creatorcontrib>FU JIANGHONG</creatorcontrib><creatorcontrib>LIAO XIAOHUI</creatorcontrib><creatorcontrib>YOO CHANG-JONG</creatorcontrib><creatorcontrib>ZHANG ZHIYI</creatorcontrib><creatorcontrib>WANG HAN</creatorcontrib><creatorcontrib>LYU MINXIAO</creatorcontrib><creatorcontrib>RAO XIN</creatorcontrib><title>Rotary drilling machine head</title><description>The utility model discloses a rotary drilling machine head which comprises a rotating shaft, a drilling barrel and a sealing cover, and the upper end and the lower end of the sealing cover are correspondingly and fixedly connected with the rotating shaft and the drilling barrel respectively. 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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title Rotary drilling machine head
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