Emergency lock switch and belt conveyor for coal mine

The invention provides an emergency lock switch and a belt conveyor for a coal mine. The belt conveyor comprises the emergency lock switch which comprises a plurality of double control switches (31), all the double control switches (31) synchronously act, connecting points at one ends of the double control switches (31) and normally closed contacts at the other ends are connected to control signal lines, and the normally closed contacts of the double control switches (31) are used for connecting address coding lines. The emergency lock switch provided by the invention is high in adaptability and small in failure rate, and the maintenance cost of a transmission line can be effectively lowered. 本发明提供了种急停闭锁开关、用于煤矿的带式输送机，所述带式输送机包括所述急停闭锁开关，该急停闭锁开关包括多个双控开关(31)，所述双控开关(31)全部同步动作，所述双控开关(31)的端的连接点和另端的常闭触点均连接控制信号线，所述双控开关(31)的常开触点用于连接地址编码线。本发明提供的急停闭锁开关适应性强、故障率少，能够有效地减少运输线的维护成本。