井下耙装机大多采用锚杆做尾轮橛子固定或倒楔式固定橛子固定 ,锚固深度浅 ,锚固力小 ,特别是在围岩破碎易片帮的工作面容易被拉出 ,造成工作面片落。同时 ,锚杆丝扣部分在耙斗作用下容易变形弯曲 ,使得无法回收复用 ,造成材料浪费。龙口局梁家矿采用废旧钢丝绳和软链及辅助受 Most of the underground rakes are equipped with anchors, which are used to fix tail rotor or inverted wedge fixed razor claws. The anchoring depth is shallow and the anchoring force is small. Especially in the surrounding rock, the easy-to-work face of the crusher is easily pulled out, resulting in the falling of the working face . At the same time, the threaded portion of the anchor is easily deformed and bent under the action of a rake bucket, which makes it impossible to recycle and reuse, resulting in material waste. Longkou Bureau beam mine used scrap steel and soft chain and auxiliary by