Flexible cardan shaft assembly in screw drill

Flexible cardan shaft assembly in screw drill

The utility model provides a flexible cardan shaft assembly in a screw drill. The flexible cardan shaft assembly comprises a flexible cardan shaft positioned in a center hole of a hollow drive shaft, wherein the upper end and the lower end of the flexible cardan shaft are respectively connected to t...

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Hauptverfasser: YUE FUQING, YUE FULONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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
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creator YUE FUQING
YUE FULONG
description The utility model provides a flexible cardan shaft assembly in a screw drill. The flexible cardan shaft assembly comprises a flexible cardan shaft positioned in a center hole of a hollow drive shaft, wherein the upper end and the lower end of the flexible cardan shaft are respectively connected to the lower end of a roller and a drill bit joint; connecting holes are formed both in the lower end of the roller and the drill bit joint; the upper end of the flexible cardan shaft is inserted into the connecting hole of the lower end of the roller, and are in matched connection with the connecting hole; the upper end of the flexible cardan shaft and the lower end of the roller are further connected by penetrating a cylinder resilient pin; the lower end of the flexible cardan shaft is inserted into the connecting hole of the drill bit joint and are matched connection with the connecting hole by splines; and the lower end of the flexible cardan shaft and the drill bit joint are connected by penetrating the cylinder r
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The flexible cardan shaft assembly comprises a flexible cardan shaft positioned in a center hole of a hollow drive shaft, wherein the upper end and the lower end of the flexible cardan shaft are respectively connected to the lower end of a roller and a drill bit joint; connecting holes are formed both in the lower end of the roller and the drill bit joint; the upper end of the flexible cardan shaft is inserted into the connecting hole of the lower end of the roller, and are in matched connection with the connecting hole; the upper end of the flexible cardan shaft and the lower end of the roller are further connected by penetrating a cylinder resilient pin; the lower end of the flexible cardan shaft is inserted into the connecting hole of the drill bit joint and are matched connection with the connecting hole by splines; and the lower end of the flexible cardan shaft and the drill bit joint are connected by penetrating the cylinder r</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>2013</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=20130717&amp;DB=EPODOC&amp;CC=CN&amp;NR=203066891U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20130717&amp;DB=EPODOC&amp;CC=CN&amp;NR=203066891U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YUE FUQING</creatorcontrib><creatorcontrib>YUE FULONG</creatorcontrib><title>Flexible cardan shaft assembly in screw drill</title><description>The utility model provides a flexible cardan shaft assembly in a screw drill. 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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 Flexible cardan shaft assembly in screw drill
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