PNEUMATIC DEVICE FOR TESTING OF STRUCTURES OF AIRCRAFT ON THE IMPACT IMPACT

摘要

Utility model "Pneumatic device for testing structural members of aircraft on impact effect" can be used in experimental trials and bench testing stability structural elements of aircraft on impact force from the engine debris elements covering the runway, destroying tires of the wheels or from collision with bird during emergency landing on takeoff. The purpose of this utility model is throwing the bodies of arbitrary shape and improve the accuracy of the shot. This object is achieved as follows. The pallet with methane body mounted in the barrel in the piston, made in the size of the internal diameter of the barrel; exchangeable tray is configured as a sleeve with an internal cavity, which is selected depending on the projectile body size, allowing different body cast. Increasing the accuracy of the shot is achieved in that in the end the inner end of the barrel is placed a cylindrical annular damping element resting on an annular removable abutment with an inner hole for the free passage of the pallet with methane body that allow smooth separation propelled body of the pallet with the piston at its fixed longitudinal position in the trunk. To reduce the braking force acting on the tray and to ensure a smooth separation propelled body in the end portion of the barrel of the device are drain holes for discharging high pressure gas arranged to place the braking piston with the pallet damping element.