TEST BENCH FOR TESTING BARRELS OF INFANTRY WEAPON Russian patent published in 2005 - IPC

FIELD: the invention refers to armament and is designed for carrying on various testing and research works with using barrels of infantry weapon.

SUBSTANCE: the essence of the invention is in that a in guiding holders of immobile and mobile foundations there is a guiding shaft of circular section firmly fixed relatively to immobile foundation and provided at the ends with shock-absorbers of recoil and return. On the guiding holder of the mobile foundation limiters of turn are installed. In the mobile foundation there is a hollow in which the barrel is fixed and a bolting unit is placed. The percussive mechanism is located on the immobile foundation and is not kinematically connected with the mobile foundation. A gap is fulfilled between the shock-absorbers of recoil and the guiding holder of the mobile foundation. The size of the gap depends of a magnitude of recoil of the mobile foundation at the moment of flying of a bullet out of the bore of the barrel. The technical result of the invention consists of supporting tests of barrels of infantry weapons with caliber from 5,4 mm to 14,5 mm with increased requirements to accuracy of shots.

EFFECT: simplifies construction and increases security in maintenance.

2 cl, 3 dwg