The utility model provides a vibrating device that can install fast and separate, includes vibrating motor, vibrating motor fixes on the vibration board, the vibration board on still be fixed with thelocking hydro -cylinder, the rod end of locking hydro -cylinder is fixed with the locking mechanism who corresponds with the work piece. The utility model discloses a vibrating device that can install fast and separate fixes vibrating motor on same vibration board with locking the hydro -cylinder, through locking hydro -cylinder and work piece fixed and separation fast, has realized vibrating device high -speed joint and separation. Set up the via hole C mouth that communicates with the cavity at locking hydro -cylinder cylinder body to through the external pressure sensor of C mouth, can intime discover to lead to the oil leak because of piston packaging damages, locking was become invalid, and avoiding leak, the phenomenon appears.