兖州矿业(集团)公司济宁二号煤矿通过摸索研究与实践探索,实现了井下复杂条件下的无极绳绞车安全运输。该矿113下02综采放顶煤工作面轨道顺槽设计配置了1台属于本矿井运输能力最大的SQ1200/75B型无极绳绞车。整个顺槽的长度为800 m,基本上都是负坡,局部的坡度比较大,在距离切眼口70 m左右 Yanzhou Mining (Group) Company Jining No. 2 coal mine through exploration and practice of exploration and exploration, to achieve a safe underground conveyor winch under the complex conditions. The mine under the 113 02 fully mechanized caving coal face track along the groove designed to configure a belongs to the mine transport capacity SQ1200 / 75B-type Promise rope winch. The entire length of the trough is 800 m, basically all of them are negative slopes, and the partial slopes are relatively large. At a distance of about 70 m