天府煤矿南井原使用一吨U型矿车系由钢板制成,不但笨重,易生锈,而且维修量大,成本高。去年初,我们开始试制水泥煤车成功,大大节约了钢材。后来因生产上急需煤车,又缺少水泥,我们研究用塑料板试制了两台塑料煤车,于72年6月投入运行,效果很好,受到广大工人群众的欢迎,并得到矿、井领导的重视和支持,决定从下半年 Tianfu Coal Mine Nantai original use of a ton of U-shaped tub made of steel, not only bulky, easy to rust, and the large amount of maintenance, high cost. Early last year, we started the trial of cement coal car success, significant savings of steel. Later, due to the urgent need for coal production vehicles, but also the lack of cement, we studied the plastic plate trial of two plastic coal vehicles, put into operation in June 72, the effect is very good, by the masses of workers welcome, and get the mine and well leadership The importance and support of the decision from the second half