履带式森林灭火炮转向性能分析与验证.

When establishing the steering analysis model of crawler bottom-plate forest fire extinguishing cannon, the ignoring of the problems caused by the offset of the center of mass and the centrifugal force will lead to the failure to more truly reflect the state of the steering moment of the forest fire extinguishing cannon. For this reason, based on the principle of track steering and steering dynamics, this paper makes dynamic analysis and statics analysis of the crawler chassis of forest fire extinguishing cannon, and establishes a more accurate mathematical model of forest fire extinguishing cannon to performance when the model takes into account the steering resistance moment, soil subsidence resistance, track parameters such as ground pressure distribution. Taking a real vehicle as an example, the parameters are calculated by the model and compared with the test results. The results show that the larger the centroid offset caused by centrifugal force is, the larger the turning radius of the track is. The steering performance of forest fire extinguishing cannon is greatly affected by the centrifugal force, the pressure from the track to the ground is not uniformly distributed on the ground surface of the track. The experiment also shows that the error between the results of model analysis and the actual situation is within the acceptable range, which proves the accuracy of the model. [ABSTRACT FROM AUTHOR]