Purpose
Trolleys with extension arms type 20-364 are used to transport loads, along the tracks of a suspended monorail transport system, installed in underground mines, in methane and non-methane areas, in excavations of the A, B and C class of methane explosion hazard, as well as the A and B class of coal dust explosion hazard.
Trolleys are intended for the installation in the transport unit of a train with electric system, driven by a self-locking sliding device of 20-101 type. Trolleys can also be joined directly or coupled with a transport unit and a diesel locomotive, switching trolley and other types of drive, approved for application in underground mines.
