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在我国煤矿开采的支护设备中主要有液压支架、单体液压支柱、摩擦支柱和木支柱,气垛支架是一种用于薄煤层的新型支护设备,早在六十年代,前苏联已开始研制和使用气垛支架,我国于1991年研制出第一代国产气垛支架,目前已在北京、天府、枣庄等局推广使用。 气垛支架简称气垛,主要由两个或三个硫化在一起的橡胶囊组成,囊与囊之间有内部通道。橡胶囊是由橡胶和作为骨架的绵纶帘子布构成。现在,气垛支架有三个
In China’s coal mining support equipment mainly hydraulic support, single hydraulic props, friction struts and wood pillars, gas stack support is a new type of support for thin coal seam supporting equipment, as early as the sixties, the former Soviet Union has Started to develop and use the stacker stent, China in 1991 developed the first generation of domestic stacker stent, has been in Beijing, Tianfu, Zaozhuang and other agencies to promote the use. Airbag stand for gas stacks, mainly composed of two or three vulcanized rubber capsules, with internal channels between the capsule. The rubber bladder is made of rubber and nylon curtain fabric as a skeleton. Now there are three stacker cradles