The utility model relates to a cubicle switchboard, especially to a push interlockingdevice for drawer cubicle switchboard.
本实用新型涉及一种开关柜，尤其涉及一种抽屉开关柜的推进联锁装置。
2
The paper introduces the operating principle, structure and operated result of hydraulic interlockingdevice with PLC controller for the mouth of Service shaft.
介绍了可编控制器（LC）制的副井口液压联动装置的控制原理、构及应用效果。
3
The pneumatic throttle interlockingdevice solvent the problems in the prior art, including inflexible shape, inconvenient installation, high cost and poor sealing property.