KGV7型(xing)煤礦用(yong)(yong)緊(jin)急(ji)閉(bi)鎖(suo)(suo)開關(guan)(以下簡稱閉(bi)鎖(suo)(suo)開關(guan)),屬礦用(yong)(yong)本(ben)質安全型(xing)設備,可用(yong)(yong)于(yu)煤礦井下有爆(bao)炸(zha)性氣體的(de)(de)環境。用(yong)(yong)作膠帶(dai)輸(shu)送(song)機沿線(xian)的(de)(de)拉繩緊(jin)急(ji)閉(bi)鎖(suo)(suo)保護和控制(zhi)裝置,沿皮(pi)帶(dai)輸(shu)送(song)機長度方向配置的(de)(de)跑偏
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