“还是风动挡车栏好,只需动一下指头,数百斤重的挡车拦就升起来了……”近日,川煤集团达竹公司柏林煤矿掘进二队职工王中平指着缓缓升起的挡车栏乐呵呵地说。长期以来,该矿井下使用的挡车栏十分笨重,全靠人力拉动启降,有的职工怕麻烦,图省事,降低了档车栏使用频率,成了极大的安全隐患。前不久,该队技术员对 “Or windy car bar is good, just move the finger, a few hundred pounds of heavy car stopped up ... ” Recently, Sichuan Coal Group Tatsu company in Berlin coal mine driving two teams of workers Wang Zhongping pointing slowly Starting from the car bar cheerfully said. For a long time, the barricaded bar used under the mine was very clumsy, all driven by manpower to lift and drop, and some workers were afraid of trouble, saving money and reducing the frequency of using gearbox, which became a great potential safety hazard. Not long ago, the team technician right