Drill rod clamping device
A drill rod clamping device consists of an upper pressure plate 5, a lower pressure plate 6, a die 7, and a bolt 8; the upper pressure plate 5 and lower pressure plate 6 are annular plate with a plurality of die grooves 9 distributed uniformly; the upper pressure plate 5 has a plurality of through-h...
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| creator | SHEN BOZHI TAN YING OUYANG ZHIQIANG |
| description | A drill rod clamping device consists of an upper pressure plate 5, a lower pressure plate 6, a die 7, and a bolt 8; the upper pressure plate 5 and lower pressure plate 6 are annular plate with a plurality of die grooves 9 distributed uniformly; the upper pressure plate 5 has a plurality of through-holes 10 distributed uniformly, and the lower pressure plate 6 has the same number of threaded holes 11 distributed at the corresponding place; both the die 7 and the die grooves 9 are in a dovetail form. In addition, base surface of the upper pressure plate 5 has a plurality of grooves 12/lug bosses 13 distributed symmetrically and uniformly, top surface of the lower pressure plate has the same number of lug bosses 13/grooves 12 at the corresponding position, the grooves 12 match with the lug bosses 13, and the grooves 12/lug bosses 13 and the die grooves 9 distribute in a staggered way; the die 7 is also provided with a die tooth 14. By the adoption of the mentioned technical scheme, compared with the prior art, t |
| format | Patent |
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In addition, base surface of the upper pressure plate 5 has a plurality of grooves 12/lug bosses 13 distributed symmetrically and uniformly, top surface of the lower pressure plate has the same number of lug bosses 13/grooves 12 at the corresponding position, the grooves 12 match with the lug bosses 13, and the grooves 12/lug bosses 13 and the die grooves 9 distribute in a staggered way; the die 7 is also provided with a die tooth 14. By the adoption of the mentioned technical scheme, compared with the prior art, t</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>2017</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=20170125&DB=EPODOC&CC=CN&NR=106351591A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170125&DB=EPODOC&CC=CN&NR=106351591A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHEN BOZHI</creatorcontrib><creatorcontrib>TAN YING</creatorcontrib><creatorcontrib>OUYANG ZHIQIANG</creatorcontrib><title>Drill rod clamping device</title><description>A drill rod clamping device consists of an upper pressure plate 5, a lower pressure plate 6, a die 7, and a bolt 8; the upper pressure plate 5 and lower pressure plate 6 are annular plate with a plurality of die grooves 9 distributed uniformly; the upper pressure plate 5 has a plurality of through-holes 10 distributed uniformly, and the lower pressure plate 6 has the same number of threaded holes 11 distributed at the corresponding place; both the die 7 and the die grooves 9 are in a dovetail form. In addition, base surface of the upper pressure plate 5 has a plurality of grooves 12/lug bosses 13 distributed symmetrically and uniformly, top surface of the lower pressure plate has the same number of lug bosses 13/grooves 12 at the corresponding position, the grooves 12 match with the lug bosses 13, and the grooves 12/lug bosses 13 and the die grooves 9 distribute in a staggered way; the die 7 is also provided with a die tooth 14. By the adoption of the mentioned technical scheme, compared with the prior art, t</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB0KcrMyVEoyk9RSM5JzC3IzEtXSEkty0xO5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hgZmxqaGppaGjsbEqAEAABwiVQ</recordid><startdate>20170125</startdate><enddate>20170125</enddate><creator>SHEN BOZHI</creator><creator>TAN YING</creator><creator>OUYANG ZHIQIANG</creator><scope>EVB</scope></search><sort><creationdate>20170125</creationdate><title>Drill rod clamping device</title><author>SHEN BOZHI ; TAN YING ; OUYANG ZHIQIANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106351591A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHEN BOZHI</creatorcontrib><creatorcontrib>TAN YING</creatorcontrib><creatorcontrib>OUYANG ZHIQIANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHEN BOZHI</au><au>TAN YING</au><au>OUYANG ZHIQIANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drill rod clamping device</title><date>2017-01-25</date><risdate>2017</risdate><abstract>A drill rod clamping device consists of an upper pressure plate 5, a lower pressure plate 6, a die 7, and a bolt 8; the upper pressure plate 5 and lower pressure plate 6 are annular plate with a plurality of die grooves 9 distributed uniformly; the upper pressure plate 5 has a plurality of through-holes 10 distributed uniformly, and the lower pressure plate 6 has the same number of threaded holes 11 distributed at the corresponding place; both the die 7 and the die grooves 9 are in a dovetail form. In addition, base surface of the upper pressure plate 5 has a plurality of grooves 12/lug bosses 13 distributed symmetrically and uniformly, top surface of the lower pressure plate has the same number of lug bosses 13/grooves 12 at the corresponding position, the grooves 12 match with the lug bosses 13, and the grooves 12/lug bosses 13 and the die grooves 9 distribute in a staggered way; the die 7 is also provided with a die tooth 14. By the adoption of the mentioned technical scheme, compared with the prior art, t</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 | Drill rod clamping device |
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