Movable rack vehicle for tunnel excavation supporting

The invention discloses a movable rack vehicle for tunnel excavation supporting. The vehicle comprises two rack vehicle bodies, a worktable is arranged on the upper sides of the rack vehicle bodies, a protective pad is laid on the upper side of the worktable, a fence is arranged at the upper end of...

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Bibliographic Details
Main Authors JING DONG, WU JIANG, TIAN ZHILONG, XIE JIAHUAN, WANG CHANGSHOU, LI NING
Format Patent
LanguageChinese
English
Published 13.07.2021
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The invention discloses a movable rack vehicle for tunnel excavation supporting. The vehicle comprises two rack vehicle bodies, a worktable is arranged on the upper sides of the rack vehicle bodies, a protective pad is laid on the upper side of the worktable, a fence is arranged at the upper end of the worktable, wheels are rotatably connected to the two sides of the lower end of each rack vehicle body, and ladder stands are fixedly connected to the two sides of each rack vehicle body; an operation platform is arranged between the two rack vehicle bodies, the lower side of the operation platform is fixedly connected with a positioning rod, the lower side of the positioning rod is fixedly connected with a connecting frame, the left side of the connecting frame is rotatably connected with a connecting disc, the bottom end of the positioning rod is slidably connected with a connecting column, the middle of the positioning rod is slidably connected with a positioning plate, and the two sides of the operation plat
Bibliography:Application Number: CN202110304546