Automatic telescopic air bag device in tunnel
The utility model discloses an automatic telescopic air bag device in a tunnel, belongs to the technical field of tunnel construction equipment, and solves the problem that the height of an air outlet of an existing air bag is inconvenient to adjust in the automatic contraction process. The device c...
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| creator | LIAO ZHIPENG QU YINGHONG LUO XIN ZHANG KAIYANG GAO JUNFENG JIANG YUNDONG CHEN JINGSONG LU YONGCUN WANG QIAN HAO XINGENG XIAO DAQIANG WANG PENGCHENG |
| description | The utility model discloses an automatic telescopic air bag device in a tunnel, belongs to the technical field of tunnel construction equipment, and solves the problem that the height of an air outlet of an existing air bag is inconvenient to adjust in the automatic contraction process. The device comprises an I-shaped steel guide rail, the I-shaped steel guide rail is fixedly connected with a primary support of a tunnel, the I-shaped steel guide rail is in rolling connection with an electric hoist, a hook on the electric hoist is fixedly connected with a wind bag and a steel rope in an automatic winder, and the wind bag is in sliding connection with the steel rope; the automatic winder is fixedly connected with the primary support, and the electric hoist is connected with the electrical cabinet. According to the utility model, the electric hoist can drive the wind bag to move horizontally and vertically, so that the movement is convenient; in the tunnel excavation and blasting process, the air bag is far awa |
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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 | Automatic telescopic air bag device in tunnel |
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