Underground working face air pick fixing and protecting device
The utility model discloses an air pick fixing and protecting device for an underground working face. The air pick fixing and protecting device comprises a T-shaped protecting sleeve composed of a horizontal protecting sleeve and a vertical protecting sleeve. The horizontal protection sleeve compris...
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| creator | HAO YINGHAO BAI GANG FANG CHENG QIU JIANGUO LIU YONGQIANG |
| description | The utility model discloses an air pick fixing and protecting device for an underground working face. The air pick fixing and protecting device comprises a T-shaped protecting sleeve composed of a horizontal protecting sleeve and a vertical protecting sleeve. The horizontal protection sleeve comprises a fixed half pipe and a movable half pipe which are oppositely arranged on the inner pipe wall, one side end of the movable half pipe is rotationally connected with the fixed half pipe through a hinge, a locking fastener is arranged on the outer wall of the other side end of the movable half pipe, a fastened piece is arranged at the corresponding position of the outer wall of the fixed half pipe, and the fixed half pipe is connected with the fixed half pipe through a hinge. The movable half pipe and the fixed half pipe are buckled and fixed through the lock catch piece and the buckled piece; the fixed half pipe and the vertical protective sleeve are welded and fixed, and the inner side of the fixed half pipe is |
| format | Patent |
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The air pick fixing and protecting device comprises a T-shaped protecting sleeve composed of a horizontal protecting sleeve and a vertical protecting sleeve. The horizontal protection sleeve comprises a fixed half pipe and a movable half pipe which are oppositely arranged on the inner pipe wall, one side end of the movable half pipe is rotationally connected with the fixed half pipe through a hinge, a locking fastener is arranged on the outer wall of the other side end of the movable half pipe, a fastened piece is arranged at the corresponding position of the outer wall of the fixed half pipe, and the fixed half pipe is connected with the fixed half pipe through a hinge. 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The air pick fixing and protecting device comprises a T-shaped protecting sleeve composed of a horizontal protecting sleeve and a vertical protecting sleeve. The horizontal protection sleeve comprises a fixed half pipe and a movable half pipe which are oppositely arranged on the inner pipe wall, one side end of the movable half pipe is rotationally connected with the fixed half pipe through a hinge, a locking fastener is arranged on the outer wall of the other side end of the movable half pipe, a fastened piece is arranged at the corresponding position of the outer wall of the fixed half pipe, and the fixed half pipe is connected with the fixed half pipe through a hinge. The movable half pipe and the fixed half pipe are buckled and fixed through the lock catch piece and the buckled piece; the fixed half pipe and the vertical protective sleeve are welded and fixed, and the inner side of the fixed half pipe is</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLALzUtJLUovyi_NS1Eozy_KzsxLV0hLTE5VSMwsUijITM5WSMusAAkmAhUUFOWXpCaXgLgpqWWZyak8DKxpiTnFqbxQmptByc01xNlDN7UgPz61uABoUF5qSbyzn5GhpbmlqbGRZWioMVGKAMi6MX4</recordid><startdate>20231003</startdate><enddate>20231003</enddate><creator>HAO YINGHAO</creator><creator>BAI GANG</creator><creator>FANG CHENG</creator><creator>QIU JIANGUO</creator><creator>LIU YONGQIANG</creator><scope>EVB</scope></search><sort><creationdate>20231003</creationdate><title>Underground working face air pick fixing and protecting device</title><author>HAO YINGHAO ; BAI GANG ; FANG CHENG ; QIU JIANGUO ; LIU YONGQIANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN219795329UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>HAO YINGHAO</creatorcontrib><creatorcontrib>BAI GANG</creatorcontrib><creatorcontrib>FANG CHENG</creatorcontrib><creatorcontrib>QIU JIANGUO</creatorcontrib><creatorcontrib>LIU YONGQIANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAO YINGHAO</au><au>BAI GANG</au><au>FANG CHENG</au><au>QIU JIANGUO</au><au>LIU YONGQIANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Underground working face air pick fixing and protecting device</title><date>2023-10-03</date><risdate>2023</risdate><abstract>The utility model discloses an air pick fixing and protecting device for an underground working face. The air pick fixing and protecting device comprises a T-shaped protecting sleeve composed of a horizontal protecting sleeve and a vertical protecting sleeve. The horizontal protection sleeve comprises a fixed half pipe and a movable half pipe which are oppositely arranged on the inner pipe wall, one side end of the movable half pipe is rotationally connected with the fixed half pipe through a hinge, a locking fastener is arranged on the outer wall of the other side end of the movable half pipe, a fastened piece is arranged at the corresponding position of the outer wall of the fixed half pipe, and the fixed half pipe is connected with the fixed half pipe through a hinge. The movable half pipe and the fixed half pipe are buckled and fixed through the lock catch piece and the buckled piece; the fixed half pipe and the vertical protective sleeve are welded and fixed, and the inner side of the fixed half pipe is</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS |
| title | Underground working face air pick fixing and protecting device |
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