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兖州矿业(集团)公司兴隆庄煤矿研究出采取专用小支架作为掩护支架撤除的新方法。根据现场空间先撤1～2组端头支架,将1个车盘装好的2组小支架运到位,卸车后用4个平衡千斤顶联在一起向里拖拉,推移横梁运到位并调正后通过十字联接头与2组小支架联在一起。同法安装另外2组小支架。安装调整小支架时及时支改单体支柱,保证安装空间和对顶板的
Xinglongzhuang Coal Mine of Yanzhou Mining (Group) Co., Ltd. has developed a new method of removing a dedicated small bracket as a shield support. According to the site space first withdraw 1 ~ 2 groups of end brackets, a car plate installed 2 small stent shipped in place, after unloading with four balance jacks together dragged to the inside, after the transfer of cross-beam arrived in place and adjusted Through the cross connector and 2 small bracket linked together. The same method to install another two groups of small bracket. Install and adjust the small bracket promptly change the single prop, to ensure that the installation space and the roof