The utility model discloses a wheel pair overhauls uses device, including wheel pair, axle box and lathe bed, the lathe bed inboard be provided with with lathe bed roll connection's slide rail, the lathe bed top is provided with the main shaft, main shaft one end is provided with the spindle motor with main shaft fixed connection, main shaft other end roll connection has a rubbing roller, the contact of rubbing roller top is connected with the wheel pair, wheel pair bilateral symmetry position be provided with with wheel pair fixed connection's axle box, the axle box next door is provided with the pressure claw with lathe bed sliding connection. The current situation that adopts hoist and mount mode complex operation can be solved to this kind of device that goes on examining and repairing to the wheel pair, and the wheel pair cost of overhaul of having practiced thrift track locomotive and rail vehicle shortens time of maintenance, has improved maintenance efficiency.