保险叉在矿井使用中与钢轨枕摩擦,易产生火花,从而埋下了隐患。郑煤集团超化矿技术人员对保险叉进行了改造——将其改制成轮式保险叉,投入使用后效果良好。该轮式保险叉是在原保险叉的基础上,将两个车轮用一根连接轴做成一套平行轮,放在轨道上,在保险叉上找一个平衡点固定在轮轴上,轮轴支撑保险叉,使其后部抬高,不与轨道直接 Insurance fork in the use of the mine friction with the rail sleepers, easy to produce sparks, thus laying a hidden danger. Zheng Coal Group super-mine technicians on the insurance forks have been transformed - will be transformed into a wheel-type insurance forks, put into effect with good results. The wheel-type insurance fork is based on the original insurance fork, the two wheels with a connecting shaft made of a set of parallel wheels, on the track, the insurance fork to find a balance point fixed on the axle, axle support insurance Fork, so that the rear elevation, not directly with the track