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KDMT50—6型斗式转载车是岩巷和半煤岩巷掘进机械化作业线的主要配套设备之一。1973年,在周总理等中央领导同志关怀下,冶金部设计和制造了具有我国独创风格的高效转载设备——KDMT型斗式转载车。该设备1976年鉴定定型,在冶金系统普遍应用,效果良好。1979年引入煤炭系统。由于煤矿用矿车不同于冶金系统的矿车(轴距小、重量轻),所以煤车需作简单的改装,这种斗车才能用于煤矿。1980年河北省煤矿设计院对斗车进行了改进,使其不用改装矿车便可应用于煤矿,从而为在煤矿推广使用斗车创造了
KDMT50-6 type bucket reloading car is rock lane and semi-coal rock roadway mechanized operation of the main supporting equipment. In 1973, under the care of Premier Zhou and other central leading comrades, the Ministry of Metallurgical designed and manufactured the KDMT-type bucket transfer car with an efficient delivery system of our original style. The equipment identified in 1976 stereotypes, universal application in the metallurgical system, the effect is good. Introduced into the coal system in 1979. Because coal mine carts are different from metallurgical system tubs (small wheelbase and light weight), coal carts are subject to simple modifications that can be used in coal mines. In 1980, Coal Mine Design Institute of Hebei Province improved the truck so that it could be applied to the coal mines without modifying the car, thus creating a