Scram locking switch , be used for belt conveyor in colliery

The utility model provides a scram locking switch, be used for belt conveyor in colliery, belt conveyor includes scram locking switch, this scram locking switch include a plurality of double control switches (31), the action of double control switch (31) all synchro, the tie point of the one end of double control switch (31) and the equal connection control signal line of the normally closed contact of the other end, the normally open contact of double control switch (31) is used for connecting the address coding line. The utility model provides a scram locking switch strong adaptability, fault rate are few, can reduce the maintenance cost of supply line effectively. 本实用新型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。本实用新型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。