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兖州矿业(集团)公司北宿煤矿对电机车撒砂装置进行了改造。目前煤矿使用的ZK7-6/550、ZK10-550型等电机车均为阀门式撒砂装置。这种撒砂装置存在如下缺点:电机车司机操作不方便;撒砂效果不理想;维修量大;对砂子的质量要求高。改造以后的电机车撒砂装置工作原理:当电机车撒砂时,用脚踩下撒砂装置的脚踏板,通过传动机构同时推拉砂筒,砂筒内的砂子受到晃动在导向槽的导砂区流出,撒出的砂用定位
Yanzhou Mining (Group) Company Beisu coal mines on electric locomotive sanding device was transformed. At present, ZK7-6 / 550 and ZK10-550 electric locomotives used in coal mines are all valve sand mill. This sanding device has the following disadvantages: the driver of the electric locomotive is inconvenient; the sanding effect is not satisfactory; the amount of maintenance is large; and the quality of sand is high. After the transformation of the electric car sanding device works: When the electric car when the sand, with the foot of the sanding device pedals, at the same time through the transmission mechanism to push the sand, the sand within the sand by shaking guide in the guide Sand outflow, sprinkled with sand positioning