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针对以往综采工作面端头出口及超前维护采用三路十字梁支护,存在着劳动强度大、占用人工多、安全出口小、影响端头推移机头(尾)速度等问题,为提高工作面效率、适应综采工作面高产高效的发展要求,在保证支护强度和安全出口的前提下,对综采工作面端头支护进行了优化设计,并在实施中取得了明显的经济效益和社会效益。
In view of the previous comprehensive mining face end exports and advanced maintenance of the use of three-way cross beam support, there is a labor-intensive, occupy more labor and safety exit is small, affect the nose (tail) speed and other issues, in order to improve work Surface efficiency to meet the requirements of high yield and efficiency of fully mechanized coal mining face, under the premise of guaranteeing the support strength and safety exit, the end support of fully mechanized coal mining face has been optimized, and significant economic benefits have been achieved in implementation And social benefits.