Rail transportation tool car for TBM tunnel advanced geological forecast

The utility model provides a rail transport tool car for TBM tunnel advanced geological forecast. The tool car comprises a car frame, a car seat, a walking device and a transmission device, wherein the car seat, the walking device and the transmission device are installed on the car frame. The walking device comprises a front wheel set and a rear wheel set, the front wheel set comprises two wheelsand a front shaft connecting the two front wheels, the rear wheel set comprises two rear wheels and a rear shaft connecting the rear wheels, and the inner side of each wheel is further provided witha rim protruding out of the circumferential face of the wheel in the radial direction. The transmission device comprises: a bevel gear mechanism comprising a driving bevel gear and a driven bevel gearengaged with the driving bevel gear, the bevel gear mechanism being installed below the vehicle seat and being driven by manpower; the middle axle is fixed by the frame and is perpendicular to the rear axle, and the front end