Anti-shock hydraulic release fishing spear
The utility model discloses an anti-shock hydraulic release fishing spear. The anti-shock hydraulic release fishing spear comprises a spear rod (1), the upper end of the spear rod is in threaded connection with the upper joint (2); the lower part of the spear rod is sleeved with a slip (3); the top...
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| creator | WAN WENCAI HUANG BAOQIAN WANG LING ZHENG TINGBI YAN XIJIAO WANG WEN SHEN CHIWEI ZHANG ZELI ZHANG GUOWEI DONG SHENGHUA HUAN JIAMEI BU SHENGJUN ZHANG TENGFEI JIN FENG |
| description | The utility model discloses an anti-shock hydraulic release fishing spear. The anti-shock hydraulic release fishing spear comprises a spear rod (1), the upper end of the spear rod is in threaded connection with the upper joint (2); the lower part of the spear rod is sleeved with a slip (3); the top end of the slip is in threaded connection with the slip seat (4); a lower limiting sleeve (5) is sleeved outside the slip bowl; the upper end of the lower limiting sleeve is in threaded connection with the lower end of a connecting sleeve (6); a salvage spring (10) is arranged in a gap between the top end of the slip and the lower end of the connecting sleeve; a middle sleeve (7) is arranged in an inner hole of the connecting sleeve; the upper end of the connecting sleeve is in threaded connection with an upper limiting sleeve (8); a piston (9), a balance spring (11) and a limiting ring (12) are sequentially arranged in a cavity between the upper limiting sleeve and the spear rod from bottom to top. And a return sp |
| format | Patent |
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The anti-shock hydraulic release fishing spear comprises a spear rod (1), the upper end of the spear rod is in threaded connection with the upper joint (2); the lower part of the spear rod is sleeved with a slip (3); the top end of the slip is in threaded connection with the slip seat (4); a lower limiting sleeve (5) is sleeved outside the slip bowl; the upper end of the lower limiting sleeve is in threaded connection with the lower end of a connecting sleeve (6); a salvage spring (10) is arranged in a gap between the top end of the slip and the lower end of the connecting sleeve; a middle sleeve (7) is arranged in an inner hole of the connecting sleeve; the upper end of the connecting sleeve is in threaded connection with an upper limiting sleeve (8); a piston (9), a balance spring (11) and a limiting ring (12) are sequentially arranged in a cavity between the upper limiting sleeve and the spear rod from bottom to top. And a return sp</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>2022</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=20220603&DB=EPODOC&CC=CN&NR=216665548U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220603&DB=EPODOC&CC=CN&NR=216665548U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WAN WENCAI</creatorcontrib><creatorcontrib>HUANG BAOQIAN</creatorcontrib><creatorcontrib>WANG LING</creatorcontrib><creatorcontrib>ZHENG TINGBI</creatorcontrib><creatorcontrib>YAN XIJIAO</creatorcontrib><creatorcontrib>WANG WEN</creatorcontrib><creatorcontrib>SHEN CHIWEI</creatorcontrib><creatorcontrib>ZHANG ZELI</creatorcontrib><creatorcontrib>ZHANG GUOWEI</creatorcontrib><creatorcontrib>DONG SHENGHUA</creatorcontrib><creatorcontrib>HUAN JIAMEI</creatorcontrib><creatorcontrib>BU SHENGJUN</creatorcontrib><creatorcontrib>ZHANG TENGFEI</creatorcontrib><creatorcontrib>JIN FENG</creatorcontrib><title>Anti-shock hydraulic release fishing spear</title><description>The utility model discloses an anti-shock hydraulic release fishing spear. 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And a return sp</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNByzCvJ1C3OyE_OVsioTClKLM3JTFYoSs1JTSxOVUjLLM7IzEtXKC5ITSziYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxzn5GhmZmZqamJhahocZEKQIAjAkp9Q</recordid><startdate>20220603</startdate><enddate>20220603</enddate><creator>WAN WENCAI</creator><creator>HUANG BAOQIAN</creator><creator>WANG LING</creator><creator>ZHENG TINGBI</creator><creator>YAN XIJIAO</creator><creator>WANG WEN</creator><creator>SHEN CHIWEI</creator><creator>ZHANG ZELI</creator><creator>ZHANG GUOWEI</creator><creator>DONG SHENGHUA</creator><creator>HUAN JIAMEI</creator><creator>BU SHENGJUN</creator><creator>ZHANG TENGFEI</creator><creator>JIN FENG</creator><scope>EVB</scope></search><sort><creationdate>20220603</creationdate><title>Anti-shock hydraulic release fishing spear</title><author>WAN WENCAI ; HUANG BAOQIAN ; WANG LING ; ZHENG TINGBI ; YAN XIJIAO ; WANG WEN ; SHEN CHIWEI ; ZHANG ZELI ; ZHANG GUOWEI ; DONG SHENGHUA ; HUAN JIAMEI ; BU SHENGJUN ; ZHANG TENGFEI ; JIN FENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN216665548UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</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>WAN WENCAI</creatorcontrib><creatorcontrib>HUANG BAOQIAN</creatorcontrib><creatorcontrib>WANG LING</creatorcontrib><creatorcontrib>ZHENG TINGBI</creatorcontrib><creatorcontrib>YAN XIJIAO</creatorcontrib><creatorcontrib>WANG WEN</creatorcontrib><creatorcontrib>SHEN CHIWEI</creatorcontrib><creatorcontrib>ZHANG ZELI</creatorcontrib><creatorcontrib>ZHANG GUOWEI</creatorcontrib><creatorcontrib>DONG SHENGHUA</creatorcontrib><creatorcontrib>HUAN JIAMEI</creatorcontrib><creatorcontrib>BU SHENGJUN</creatorcontrib><creatorcontrib>ZHANG TENGFEI</creatorcontrib><creatorcontrib>JIN FENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WAN WENCAI</au><au>HUANG BAOQIAN</au><au>WANG LING</au><au>ZHENG TINGBI</au><au>YAN XIJIAO</au><au>WANG WEN</au><au>SHEN CHIWEI</au><au>ZHANG ZELI</au><au>ZHANG GUOWEI</au><au>DONG SHENGHUA</au><au>HUAN JIAMEI</au><au>BU SHENGJUN</au><au>ZHANG TENGFEI</au><au>JIN FENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Anti-shock hydraulic release fishing spear</title><date>2022-06-03</date><risdate>2022</risdate><abstract>The utility model discloses an anti-shock hydraulic release fishing spear. The anti-shock hydraulic release fishing spear comprises a spear rod (1), the upper end of the spear rod is in threaded connection with the upper joint (2); the lower part of the spear rod is sleeved with a slip (3); the top end of the slip is in threaded connection with the slip seat (4); a lower limiting sleeve (5) is sleeved outside the slip bowl; the upper end of the lower limiting sleeve is in threaded connection with the lower end of a connecting sleeve (6); a salvage spring (10) is arranged in a gap between the top end of the slip and the lower end of the connecting sleeve; a middle sleeve (7) is arranged in an inner hole of the connecting sleeve; the upper end of the connecting sleeve is in threaded connection with an upper limiting sleeve (8); a piston (9), a balance spring (11) and a limiting ring (12) are sequentially arranged in a cavity between the upper limiting sleeve and the spear rod from bottom to top. And a return sp</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN216665548UU |
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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 | Anti-shock hydraulic release fishing spear |
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