COMPLETE DISTRIBUTING DEVICE Russian patent published in 2017 - IPC H02B11/133 H02B11/167 

FIELD: electricity.

SUBSTANCE: device comprises a cabinet having a frame, bays with partitions and doors, in which houses the switch on the trolley, earthing switch drive with a shaft and a lock mechanism having a shutter, an earthing switch contacts state indicator; a visual inspection panel having a main window. In front of the frame there is a hole to accommodate earthing switch control lever at the switching torque. The shutter is mounted with a possibility of horizontal movement and is provided with a projection formed along the direction of travel and intended to close the opening for locating the control lever in the locked position of the earthing switch. The upper part of the shutter is provided with a shelf with a groove designed to locate the lever of the switch interlocking shaft. One end of the shaft is fixed to the partition between the compartments, and the other is provided with a locking lever installed in the housing and having a groove for positioning this lever in the closed position of the shutter. In the lower part of the shutter a projection is provided for limiting the movement of the shutter in the earthing switch on position which abuts against the lower part of the locking device having the hook and being in its upper position with the unlocked door. The upper part of the locking device is mounted in the frame with the possibility of vertical movement, it has two horizontal shelves, between which the drive shaft of the earthing switch is arranged with a cam that abuts against the upper shelf with the turned on earthing switch and abuts against the bottom shelf with the turned off earthing switch, while locking the door, and the shutter is located in the closed position.

EFFECT: improved reliability.

3 cl, 30 dwg