Improved withdrawing technology for hydraulic supports on fully mechanized coal face
A fully-mechanized mining face and hydraulic support technology, which is applied to pillars/supports, mining equipment, earthwork drilling and mining, etc., to achieve the effects of reducing the number of workers, many parallel working locations, and a small scope of influence
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[0029] Bracket models used in a working face: 115 ZZ8800-14 / 26D hydraulic brackets, 6 ZZG8800-16 / 30D end hydraulic brackets,
[0030] 1. Recycling method of working face hydraulic support equipment:
[0031] 1. After the working face shearer, working slip and mechanical and electrical equipment in Lane 1523071 have been recovered, the rack removal operation will be carried out. First, install 2 slow-speed return column winches 1 and 3 and a racking platform 2 in the working face withdrawal channel. The installation position of the first return column winch 1 is about 20-30 brackets away from the rear of the working face, which is used for withdrawing the frame. Use (hereinafter referred to as the unloading winch); the movable racking platform 2 is installed at the position of the 40 bracket, which is used for the hydraulic support to install the flatbed truck; the second return column winch 3 is installed at the position of the 50 bracket, which is used for bracket loading. w...
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