STAND FOR MOUNTING AND DEMOUNTING OF WHEELSET OF LOCOMOTIVE WHEEL- MOTOR UNIT Russian patent published in 2005 - IPC

FIELD: railway transport.

SUBSTANCE: invention can be used at repair of rolling stock, particularly, at disassembling of wheel-motor units of locomotives. According to invention, stand is furnished with carriage made in form of semicylinder installed by outer side on roller conveyor for movement by hydraulic pusher hinge-connected with truck and carriage. Carriage, roller conveyor and hydraulic pusher form turnover device, and hydraulic jack is installed on truck, with roller conveyor being mounted on hydraulic jack. Supports for wheel-motor unit and controlled clamps of nuts of bolts are mounted from inner side of carriage. Horizontal crossmember of cantilever in installed for turning on first column and for fixing on second column by means of hydraulically controlled lock installed on upper end of second column. Guides are installed lower than rails of depot track, across the track. Nut runner has eight spindles with grips for bolt heads, all spindles are provided with hydraulic cylinders for extension. Spindles have beads engaging with lever of switch secured on crossmember and electrically connected to program unit of remote control system connected to controlled clamps of nuts and electrically controlled hydraulic distributor to which hydraulic cylinders of spindles, hydraulic jack, hydraulic pusher, hydraulically controlled lock and charger are connected. Stand is furnished with carriage upper position limit switch which operates, through hydraulic distributor, the hydraulic pusher and wheelset side displacement limiters provided with limit switches electrically connected with program unit. Hydraulic cylinders of spindles of nut runner are provided with high-pressure limiters in corresponding spaces.

EFFECT: improved convenience and safety in operation.

2 dwg