Bracket pulling device for withdrawal of hydraulic bracket on fully mechanized coal mining face
The invention provides a bracket pulling device for withdrawal of a hydraulic bracket on a fully mechanized coal mining face. The bracket pulling device comprises a connecting device, a fixing device,a rotating device, a lazy arm and a lazy arm pushing device in sequence from back to front, and furt...
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| creator | QI GANG FENG YANG WANG LIN FENG XUEQING MA JUN MA ZHONGCHANG GUO ZIWEN |
| description | The invention provides a bracket pulling device for withdrawal of a hydraulic bracket on a fully mechanized coal mining face. The bracket pulling device comprises a connecting device, a fixing device,a rotating device, a lazy arm and a lazy arm pushing device in sequence from back to front, and further comprises an up-down rotating jack, a left-right rotating jack, a lazy arm pushing rotating jack and a connecting lug plate; the rotating device is rotatably fixed to the fixing device on the horizontal plane; the lazy arm is rotatably fixed to the rotating device on the vertical plane; the lazy arm pushing device is retractably fixed to the lazy arm through the lazy arm pushing rotating jack; the two ends of the left-right rotating jack are fixed to the fixing device and the rotating device correspondingly; the two ends of the up-down rotating jack are rotatably fixed to the rotating device and the lazy arm correspondingly on the vertical plane; and the bracket pulling device is connected with a shielding supp |
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The bracket pulling device comprises a connecting device, a fixing device,a rotating device, a lazy arm and a lazy arm pushing device in sequence from back to front, and further comprises an up-down rotating jack, a left-right rotating jack, a lazy arm pushing rotating jack and a connecting lug plate; the rotating device is rotatably fixed to the fixing device on the horizontal plane; the lazy arm is rotatably fixed to the rotating device on the vertical plane; the lazy arm pushing device is retractably fixed to the lazy arm through the lazy arm pushing rotating jack; the two ends of the left-right rotating jack are fixed to the fixing device and the rotating device correspondingly; the two ends of the up-down rotating jack are rotatably fixed to the rotating device and the lazy arm correspondingly on the vertical plane; and the bracket pulling device is connected with a shielding supp</description><language>chi ; eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</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=20190308&DB=EPODOC&CC=CN&NR=109441499A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190308&DB=EPODOC&CC=CN&NR=109441499A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>QI GANG</creatorcontrib><creatorcontrib>FENG YANG</creatorcontrib><creatorcontrib>WANG LIN</creatorcontrib><creatorcontrib>FENG XUEQING</creatorcontrib><creatorcontrib>MA JUN</creatorcontrib><creatorcontrib>MA ZHONGCHANG</creatorcontrib><creatorcontrib>GUO ZIWEN</creatorcontrib><title>Bracket pulling device for withdrawal of hydraulic bracket on fully mechanized coal mining face</title><description>The invention provides a bracket pulling device for withdrawal of a hydraulic bracket on a fully mechanized coal mining face. The bracket pulling device comprises a connecting device, a fixing device,a rotating device, a lazy arm and a lazy arm pushing device in sequence from back to front, and further comprises an up-down rotating jack, a left-right rotating jack, a lazy arm pushing rotating jack and a connecting lug plate; the rotating device is rotatably fixed to the fixing device on the horizontal plane; the lazy arm is rotatably fixed to the rotating device on the vertical plane; the lazy arm pushing device is retractably fixed to the lazy arm through the lazy arm pushing rotating jack; the two ends of the left-right rotating jack are fixed to the fixing device and the rotating device correspondingly; the two ends of the up-down rotating jack are rotatably fixed to the rotating device and the lazy arm correspondingly on the vertical plane; and the bracket pulling device is connected with a shielding supp</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEOwiAURVkcjPoPzw8wsZGFURuNk5M7QXjIixQIpTb168WkH-B0z3DOXTJ5ykq_sEAavKfwBINv0gg2ZhipOJPVqDxEC26qPHjS8JiTGMDWaoIOtVOBPmhAx2p3FH5XVmlcs4VVvsfNvCu2vZzv7XWHKUrsU1UCFtnemr3gvOFCHA__OF96iTzk</recordid><startdate>20190308</startdate><enddate>20190308</enddate><creator>QI GANG</creator><creator>FENG YANG</creator><creator>WANG LIN</creator><creator>FENG XUEQING</creator><creator>MA JUN</creator><creator>MA ZHONGCHANG</creator><creator>GUO ZIWEN</creator><scope>EVB</scope></search><sort><creationdate>20190308</creationdate><title>Bracket pulling device for withdrawal of hydraulic bracket on fully mechanized coal mining face</title><author>QI GANG ; FENG YANG ; WANG LIN ; FENG XUEQING ; MA JUN ; MA ZHONGCHANG ; GUO ZIWEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109441499A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>QI GANG</creatorcontrib><creatorcontrib>FENG YANG</creatorcontrib><creatorcontrib>WANG LIN</creatorcontrib><creatorcontrib>FENG XUEQING</creatorcontrib><creatorcontrib>MA JUN</creatorcontrib><creatorcontrib>MA ZHONGCHANG</creatorcontrib><creatorcontrib>GUO ZIWEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>QI GANG</au><au>FENG YANG</au><au>WANG LIN</au><au>FENG XUEQING</au><au>MA JUN</au><au>MA ZHONGCHANG</au><au>GUO ZIWEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Bracket pulling device for withdrawal of hydraulic bracket on fully mechanized coal mining face</title><date>2019-03-08</date><risdate>2019</risdate><abstract>The invention provides a bracket pulling device for withdrawal of a hydraulic bracket on a fully mechanized coal mining face. The bracket pulling device comprises a connecting device, a fixing device,a rotating device, a lazy arm and a lazy arm pushing device in sequence from back to front, and further comprises an up-down rotating jack, a left-right rotating jack, a lazy arm pushing rotating jack and a connecting lug plate; the rotating device is rotatably fixed to the fixing device on the horizontal plane; the lazy arm is rotatably fixed to the rotating device on the vertical plane; the lazy arm pushing device is retractably fixed to the lazy arm through the lazy arm pushing rotating jack; the two ends of the left-right rotating jack are fixed to the fixing device and the rotating device correspondingly; the two ends of the up-down rotating jack are rotatably fixed to the rotating device and the lazy arm correspondingly on the vertical plane; and the bracket pulling device is connected with a shielding supp</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Bracket pulling device for withdrawal of hydraulic bracket on fully mechanized coal mining face |
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