Abstract
The firing stability is a hot issue in the field of gun vibration research. For the test results of the gun firing stability, in order to overcome no time information, low measuring accuracy and method obsolete of the traditional mechanical-stylus method, a multi-dimension dynamic tester has been designed by combining the sensing components of linear displacement and angular displacement with mechanical designing principle. With the self-propelled artillery firing, the tester can obtain not only the displacement-time curve of the chassis back-forth and up-down translational motion and the pitching motion but also the motion trajectory of the firing plane. The traditional mechanical-stylus test method can be replaced by electricity test method for the gun firing stability measurement. It has been proved that the tester can meet the measurement requirements through range firing test application of multiple gun firing stability.
Highlights
Artillery is the large complicated weapon system of firepower and defenses for world armies, and is one of widely equipped and frequently used weapons
Under the action of bore force, the pitch, yaw, roll, recoil and counter-recoil, jumping and subsidence movement will occur for the chassis of the self-propelled gun, and the firing stability problem will appear, the dynamic characteristics of the chassis can reflect the firing stability even more
Self-propelled gun chassis is the fire system carrier and its motion characteristics plays a key role in the muzzle vibration and firing dispersion, and especially for the self-propelled howitzer weapon system and self-propelled anti-aircraft gun system, the dynamics characteristics of the chassis is significantly important
Summary
Artillery is the large complicated weapon system of firepower and defenses for world armies, and is one of widely equipped and frequently used weapons. Because the chassis moves relatively to the stylus, the stylus can draw a trajectory in the test area on the chassis This track line neither has time information nor corresponds to the projectile muzzle moment or the gun part movement moment. A three-dimensional displacement dynamic testing device for moving object were designed in literature [4], which mainly rely on mechanical drives This method has not been popularized due to the big inertia of parts. In order to solve the technology problem of the gun firing stability measurement, the authors have designed a multi-dimension dynamic displacement tester. With the self-propelled artillery firing, the tester can obtain the displacement-time curve of the chassis back-forth and updown translational motion and the pitching motion and the motion trajectory of the firing plane. It has been proved that the tester can meet the measurement requirements through range firing test application of multiple gun firing stability
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