Small-section tunnel forepoling pipe shed support
The forepoling pipe shed support for the small-section tunnel comprises an arc-shaped connecting beam and a plurality of guiding and positioning steel pipes, the shape of the connecting beam is matched with the section of the small-section tunnel, and connecting bases are arranged at the two ends of...
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| creator | ZHENG BO DU YANWEN SHU CHANG |
| description | The forepoling pipe shed support for the small-section tunnel comprises an arc-shaped connecting beam and a plurality of guiding and positioning steel pipes, the shape of the connecting beam is matched with the section of the small-section tunnel, and connecting bases are arranged at the two ends of the connecting beam. The connecting beam is adopted as an integral support, the guiding and positioning steel pipe is fixed on the connecting beam, and through the effects of the connecting beam and the guiding and positioning steel pipe, the hole site, the hole distance and the angle of the outer inserting angle of the pipe shed are effectively controlled, meanwhile, impact on the guiding and positioning steel pipe in the grouting process is reduced, dislocation of the guiding and positioning steel pipe is avoided, and the grouting quality is improved. The guiding and positioning steel pipe is further provided with a rubber cushion, the input end of the guiding and positioning steel pipe is lower than the output |
| format | Patent |
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The connecting beam is adopted as an integral support, the guiding and positioning steel pipe is fixed on the connecting beam, and through the effects of the connecting beam and the guiding and positioning steel pipe, the hole site, the hole distance and the angle of the outer inserting angle of the pipe shed are effectively controlled, meanwhile, impact on the guiding and positioning steel pipe in the grouting process is reduced, dislocation of the guiding and positioning steel pipe is avoided, and the grouting quality is improved. The guiding and positioning steel pipe is further provided with a rubber cushion, the input end of the guiding and positioning steel pipe is lower than the output</description><language>chi ; eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</subject><creationdate>2023</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=20230801&DB=EPODOC&CC=CN&NR=219452091U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230801&DB=EPODOC&CC=CN&NR=219452091U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHENG BO</creatorcontrib><creatorcontrib>DU YANWEN</creatorcontrib><creatorcontrib>SHU CHANG</creatorcontrib><title>Small-section tunnel forepoling pipe shed support</title><description>The forepoling pipe shed support for the small-section tunnel comprises an arc-shaped connecting beam and a plurality of guiding and positioning steel pipes, the shape of the connecting beam is matched with the section of the small-section tunnel, and connecting bases are arranged at the two ends of the connecting beam. The connecting beam is adopted as an integral support, the guiding and positioning steel pipe is fixed on the connecting beam, and through the effects of the connecting beam and the guiding and positioning steel pipe, the hole site, the hole distance and the angle of the outer inserting angle of the pipe shed are effectively controlled, meanwhile, impact on the guiding and positioning steel pipe in the grouting process is reduced, dislocation of the guiding and positioning steel pipe is avoided, and the grouting quality is improved. The guiding and positioning steel pipe is further provided with a rubber cushion, the input end of the guiding and positioning steel pipe is lower than the output</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAMzk3MydEtTk0uyczPUygpzctLzVFIyy9KLcjPycxLVyjILEhVKM5ITVEoLi0oyC8q4WFgTUvMKU7lhdLcDEpuriHOHrpAHfGpxQWJyal5qSXxzn5GhpYmpkYGloahocZEKQIAHU0s4w</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>ZHENG BO</creator><creator>DU YANWEN</creator><creator>SHU CHANG</creator><scope>EVB</scope></search><sort><creationdate>20230801</creationdate><title>Small-section tunnel forepoling pipe shed support</title><author>ZHENG BO ; DU YANWEN ; SHU CHANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN219452091UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</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>ZHENG BO</creatorcontrib><creatorcontrib>DU YANWEN</creatorcontrib><creatorcontrib>SHU CHANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHENG BO</au><au>DU YANWEN</au><au>SHU CHANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Small-section tunnel forepoling pipe shed support</title><date>2023-08-01</date><risdate>2023</risdate><abstract>The forepoling pipe shed support for the small-section tunnel comprises an arc-shaped connecting beam and a plurality of guiding and positioning steel pipes, the shape of the connecting beam is matched with the section of the small-section tunnel, and connecting bases are arranged at the two ends of the connecting beam. The connecting beam is adopted as an integral support, the guiding and positioning steel pipe is fixed on the connecting beam, and through the effects of the connecting beam and the guiding and positioning steel pipe, the hole site, the hole distance and the angle of the outer inserting angle of the pipe shed are effectively controlled, meanwhile, impact on the guiding and positioning steel pipe in the grouting process is reduced, dislocation of the guiding and positioning steel pipe is avoided, and the grouting quality is improved. The guiding and positioning steel pipe is further provided with a rubber cushion, the input end of the guiding and positioning steel pipe is lower than the output</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 | Small-section tunnel forepoling pipe shed support |
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