Mechanical actuator of vibration device of helicopter flight simulator

The utility model discloses a mechanical actuating mechanism of a vibration device of a helicopter flight simulator. The mechanical actuating mechanism comprises an air source input device, an air conveying pipeline, an electromagnetic control valve, a vibration air cylinder and a simulation cabin, the simulation cockpit comprises a simulation cockpit body, a cockpit bracket and a base, wherein the cockpit bracket and the base are located at the bottom of the simulation cockpit body. The simulation cabin body is fixedly connected with the cabin bracket; the cabin bracket is rotatably and movably matched with the base; the air source input device is communicated with the electromagnetic control valve through an air conveying pipeline, and the electromagnetic control valve is electrically connected with the vibration air cylinder. And a movable rod at the output end of the vibration cylinder is connected with a cabin bracket of the simulation cabin body. The system is reasonable in structural design and complet