Mobile type goaf gas quick blocking and extraction device and technology
A goaf, mobile technology, applied in mining devices, gas discharge, safety devices, etc., can solve the problems of increased manpower, hidden safety hazards, and temporary solutions to the enclosed wall, so as to reduce the difficulty of ventilation, realize coal mine safety, Avoid the effect of excessive deformation
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[0025] Such as Figure 1-Figure 6 The mobile goaf gas rapid plugging and drainage device shown includes a temporary sealing wall 7 located on the right side of the mining face 1 in the goaf 8, and the temporary sealing wall 7 includes a multi-level fixing device 16 and the flexible air bag 15 on the multi-level fixing device 16, the multi-level fixing device 16 facilitates the molding of the flexible air bag 15, and can avoid the excessive deformation of the flexible air bag 15 in a local area.
[0026] The multi-stage fixing device 16 includes two horizontal multi-stage telescopic mechanisms arranged in parallel and a vertical multi-stage telescopic mechanism fixed on the horizontal multi-stage telescopic mechanism, wherein the horizontal multi-stage telescopic Sliding sleeve 20, horizontal second-level sliding sleeve 21, horizontal third-level sliding sleeve 22, horizontal fourth-level sliding sleeve 23 and horizontal fifth-level sliding sleeve 24, horizontal first-level sli...
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