Step-by-step buffering tensile anchor rod adapting to deformation of block rock mass
The invention discloses a step-by-step buffering tensile anchor rod adapting to deformation of block rock mass. The anchor rod comprises a rod body, an anchor head, a tray and a nut, wherein the rod body comprises a first hollow rod, a solid rod and a second hollow rod; the plugging end of the first...
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| creator | YI-ZENG FEIYUN WANG KAIXING ZHANG JUNLIN WANG LIXUAN CHEN XINTAO YU MINGQIU DONG JING |
| description | The invention discloses a step-by-step buffering tensile anchor rod adapting to deformation of block rock mass. The anchor rod comprises a rod body, an anchor head, a tray and a nut, wherein the rod body comprises a first hollow rod, a solid rod and a second hollow rod; the plugging end of the first hollow rod is provided with a first switching external thread, and the bottom of a hole is provided with a first switching internal thread; the tray and the nut are sequentially arranged on the first through connection external thread in a sleeving mode from inside to outside. one end of the solid rod is provided with a second switching external thread, and the outer surface of the other end is circumferentially and uniformly provided with a plurality of top block cutters; the solid rod is fixedly screwed with the first hollow rod; one end of the second hollow rod is provided with a second switching internal thread; the anchor head is fixedly screwed with the second hollow rod; the solid rod is sleeved with the se |
| format | Patent |
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The anchor rod comprises a rod body, an anchor head, a tray and a nut, wherein the rod body comprises a first hollow rod, a solid rod and a second hollow rod; the plugging end of the first hollow rod is provided with a first switching external thread, and the bottom of a hole is provided with a first switching internal thread; the tray and the nut are sequentially arranged on the first through connection external thread in a sleeving mode from inside to outside. one end of the solid rod is provided with a second switching external thread, and the outer surface of the other end is circumferentially and uniformly provided with a plurality of top block cutters; the solid rod is fixedly screwed with the first hollow rod; one end of the second hollow rod is provided with a second switching internal thread; the anchor head is fixedly screwed with the second hollow rod; the solid rod is sleeved with the se</description><language>chi ; eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</subject><creationdate>2021</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=20210430&DB=EPODOC&CC=CN&NR=112727517A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210430&DB=EPODOC&CC=CN&NR=112727517A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YI-ZENG FEIYUN</creatorcontrib><creatorcontrib>WANG KAIXING</creatorcontrib><creatorcontrib>ZHANG JUNLIN</creatorcontrib><creatorcontrib>WANG LIXUAN</creatorcontrib><creatorcontrib>CHEN XINTAO</creatorcontrib><creatorcontrib>YU MINGQIU</creatorcontrib><creatorcontrib>DONG JING</creatorcontrib><title>Step-by-step buffering tensile anchor rod adapting to deformation of block rock mass</title><description>The invention discloses a step-by-step buffering tensile anchor rod adapting to deformation of block rock mass. 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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Step-by-step buffering tensile anchor rod adapting to deformation of block rock mass |
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