Pneumatic multipurpose land-based catapult launch training device of shipboard aircraft on aircraft carrier

The invention provides a pneumatic multipurpose land-based catapult launch training device of a shipboard aircraft on an aircraft carrier. The device comprises an engine base, hydraulic lifting devices, a cantilever runway, a shipboard aircraft and a catapult, wherein the engine base is arranged in a trough; one end of the cantilever runway is connected with the engine base by a hinge axis; the catapult is arranged in the cantilever runway; landing gears of the shipboard aircraft are connected with the upper surface of a sliding plate; the bottom of the sliding plate is connected with the catapult; and the upper ends of the hydraulic lifting devices are hinged with the bottom of the cantilever runway and the lower ends of the hydraulic lifting devices are connected with the bottom of the trough. The device has the following advantages that 1) the device has a simple structure, high degree of automation and long service life, is convenient to operate and easy to maintain and is safe and reliable; and 2) the land-based take-off runways are unnecessary to be built; the device has strong adaptability; and without occupying the main take-off runways of the existing airports, the device can be installed and used on any airport and has good adaptability and a strong war preparedness function.