The magneticlock structure was given, the lock overcame the disadvantage of normal magneticlock without dual functionality, it is own powered.
给出了电磁锁的结构，该锁克服了普通电磁锁没有双向功能的缺点，并可自带电源。
2
To solve the ZK3 type turn point machine mechanical jam problem, ZK4 type point machine adopts magneticlock turn instead of the ZK3 type valve pressure before valves.