Hydraulic device

The utility model relates to the technical field of hydraulic equipment, and discloses a hydraulic device which comprises a hydraulic device body, the outer edge of the hydraulic device body is sleeved with a cooling pipe, a mounting frame is fixedly connected to the hydraulic device body, a motor is mounted on the mounting frame, a heat dissipation piece is assembled on an output shaft of the motor, and the heat dissipation piece is fixedly connected with the hydraulic device body. A triggering assembly is arranged in an oil storage tank of the hydraulic device body, and a water pumping assembly is arranged on the mounting frame. When the hydraulic device operates, the motor does not need to be manually controlled, operation of the hydraulic device does not need to be monitored by manpower all the time, the heat dissipation piece and the water pumping assembly can cool oil liquid in time, normal work of the hydraulic device is guaranteed, and secondly, a power source does not need to be additionally arranged