Blast hole arrangement structure for tunnel opening blasting of underground mine drill jumbo

Blast hole arrangement structure for tunnel opening blasting of underground mine drill jumbo

The utility model provides a blast hole arrangement structure for roadway opening blasting of an underground mine drill jumbo. The blast hole arrangement structure comprises a roadway opening face and blast holes formed in the roadway opening face. The roadway opening face comprises a reference face...

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Hauptverfasser: WANG JIAN, ZHANG HONGTAO, DUAN CHAOLIN, WU LEI, BAI FENGSHAN, LIU YANG, WANG XINPENG, JU ZHANYONG, HUANG XIAODONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
AMMUNITION
BLASTING
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
HEATING
LARGE UNDERGROUND CHAMBERS
LIGHTING
MECHANICAL ENGINEERING
MINING
SHAFTS
TUNNELS
WEAPONS
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creator WANG JIAN
ZHANG HONGTAO
DUAN CHAOLIN
WU LEI
BAI FENGSHAN
LIU YANG
WANG XINPENG
JU ZHANYONG
HUANG XIAODONG
description The utility model provides a blast hole arrangement structure for roadway opening blasting of an underground mine drill jumbo. The blast hole arrangement structure comprises a roadway opening face and blast holes formed in the roadway opening face. The roadway opening face comprises a reference face arranged in the middle of the roadway opening face and hole distribution faces arranged on the two sides of the reference face. The blast holes are uniformly distributed and formed in the hole distribution surface; the blast holes formed in the hole distribution face are obliquely and symmetrically formed in the direction of the reference face. According to the blast hole arrangement structure for roadway opening blasting of the underground mine drill jumbo, the roadway opening face is divided into the reference face and the hole arrangement face, and the inclined blast holes are formed in the hole arrangement face, so that the problem of manual punching in the prior art is solved, the drill jumbo can conduct blas
format Patent
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According to the blast hole arrangement structure for roadway opening blasting of the underground mine drill jumbo, the roadway opening face is divided into the reference face and the hole arrangement face, and the inclined blast holes are formed in the hole arrangement face, so that the problem of manual punching in the prior art is solved, the drill jumbo can conduct blas</description><language>chi ; eng</language><subject>AMMUNITION ; BLASTING ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; HEATING ; LARGE UNDERGROUND CHAMBERS ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; SHAFTS ; TUNNELS ; WEAPONS</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&amp;date=20220729&amp;DB=EPODOC&amp;CC=CN&amp;NR=217083517U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20220729&amp;DB=EPODOC&amp;CC=CN&amp;NR=217083517U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG JIAN</creatorcontrib><creatorcontrib>ZHANG HONGTAO</creatorcontrib><creatorcontrib>DUAN CHAOLIN</creatorcontrib><creatorcontrib>WU LEI</creatorcontrib><creatorcontrib>BAI FENGSHAN</creatorcontrib><creatorcontrib>LIU YANG</creatorcontrib><creatorcontrib>WANG XINPENG</creatorcontrib><creatorcontrib>JU ZHANYONG</creatorcontrib><creatorcontrib>HUANG XIAODONG</creatorcontrib><title>Blast hole arrangement structure for tunnel opening blasting of underground mine drill jumbo</title><description>The utility model provides a blast hole arrangement structure for roadway opening blasting of an underground mine drill jumbo. 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The blast hole arrangement structure comprises a roadway opening face and blast holes formed in the roadway opening face. The roadway opening face comprises a reference face arranged in the middle of the roadway opening face and hole distribution faces arranged on the two sides of the reference face. The blast holes are uniformly distributed and formed in the hole distribution surface; the blast holes formed in the hole distribution face are obliquely and symmetrically formed in the direction of the reference face. According to the blast hole arrangement structure for roadway opening blasting of the underground mine drill jumbo, the roadway opening face is divided into the reference face and the hole arrangement face, and the inclined blast holes are formed in the hole arrangement face, so that the problem of manual punching in the prior art is solved, the drill jumbo can conduct blas</abstract><oa>free_for_read</oa></addata></record>
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language chi ; eng
recordid cdi_epo_espacenet_CN217083517UU
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subjects AMMUNITION
BLASTING
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
HEATING
LARGE UNDERGROUND CHAMBERS
LIGHTING
MECHANICAL ENGINEERING
MINING
SHAFTS
TUNNELS
WEAPONS
title Blast hole arrangement structure for tunnel opening blasting of underground mine drill jumbo
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-28T21%3A56%3A32IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=WANG%20JIAN&rft.date=2022-07-29&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN217083517UU%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true