Device for enabling file cabinet to move

The invention discloses a device for enabling a file cabinet to move. First fixing shafts are fixed at two ends of a supporting plate, and a large roller is mounted on each first fixing shaft; a guidegroove is formed in the supporting plate, a guide wheel is arranged in the guide groove and is arranged on a second fixing shaft, the second fixing shaft is fixed on a receiving plate, a connecting block is fixed at the bottom end of the receiving plate, a mounting plate is fixed at the bottom end of the connecting block, third fixing shafts are fixed at two ends of the mounting plate, and a small roller is mounted on each third fixing shaft; forward moving and backward moving hydraulic cylinder and a lifting hydraulic cylinder are fixed at the top end of the supporting plate; a lifting plateis fixed at the top end of a piston rod of the lifting hydraulic cylinder; a holding hydraulic cylinder is fixed at the top end of the lifting plate; a holding arm is hinged to the end, which extendsout of the holding hydraul