Hollow hexagonal drill rod
The invention relates to the technical field of engineering drilling accessories, in particular to a hollow hexagonal drill rod. The hollow hexagonal drill rod comprises a plurality of sections of hollow hexagonal rod bodies and a connector arranged on the front surface of the hollow hexagonal rod b...
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| creator | ZHANG SONGLIN LIU WEI WANG BAOQIN MIAO QINGQUAN LIU XING LOU TIANBO |
| description | The invention relates to the technical field of engineering drilling accessories, in particular to a hollow hexagonal drill rod. The hollow hexagonal drill rod comprises a plurality of sections of hollow hexagonal rod bodies and a connector arranged on the front surface of the hollow hexagonal rod body located at the foremost end, circular convex edges are arranged on the outer walls of the frontends and the rear ends of the hollow hexagonal rod bodies, the connector is in a cylindrical shape, internal threads are arranged on the inner wall of the connector, the outer wall of the rear end ofthe connector is also provided with a circular convex edge, the circular convex edge at the rear end of the connector and the circular convex edges at the front ends of the hollow hexagonal rod bodiesare locked through a double-end locking mechanism, the two circular convex edges of the contact ends of every two adjacent hollow hexagonal rod bodies are locked through a double-end locking mechanism, first external threads a |
| format | Patent |
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The hollow hexagonal drill rod comprises a plurality of sections of hollow hexagonal rod bodies and a connector arranged on the front surface of the hollow hexagonal rod body located at the foremost end, circular convex edges are arranged on the outer walls of the frontends and the rear ends of the hollow hexagonal rod bodies, the connector is in a cylindrical shape, internal threads are arranged on the inner wall of the connector, the outer wall of the rear end ofthe connector is also provided with a circular convex edge, the circular convex edge at the rear end of the connector and the circular convex edges at the front ends of the hollow hexagonal rod bodiesare locked through a double-end locking mechanism, the two circular convex edges of the contact ends of every two adjacent hollow hexagonal rod bodies are locked through a double-end locking mechanism, first external threads a</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>2019</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&date=20190716&DB=EPODOC&CC=CN&NR=110017104A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190716&DB=EPODOC&CC=CN&NR=110017104A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG SONGLIN</creatorcontrib><creatorcontrib>LIU WEI</creatorcontrib><creatorcontrib>WANG BAOQIN</creatorcontrib><creatorcontrib>MIAO QINGQUAN</creatorcontrib><creatorcontrib>LIU XING</creatorcontrib><creatorcontrib>LOU TIANBO</creatorcontrib><title>Hollow hexagonal drill rod</title><description>The invention relates to the technical field of engineering drilling accessories, in particular to a hollow hexagonal drill rod. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN110017104A |
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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 | Hollow hexagonal drill rod |
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