摘要在局部战争、地区冲突成为战争主要形式的今天,对轻型牵引火炮提出了更高的机动性要求。为了减轻火炮总体质量,在满足功能的前提下将火炮高低机与平衡机进行结合,设计出了一体式的高平机,这将成为今后大口径火炮的发展趋势。 本文根据某 122mm 轻型牵引火炮的总体要求,分析了各类高平机的工作原理,设计了一种液体气压式高平机,并对其结构形式行了优化,降低了最大不平衡力矩,提高了高平机的工作性能。根据结构受力特点,校核了高平机外筒的强度和内筒稳定性,并对筒体结构进行了模态分析。建立了火炮虚拟样机简化模型,对高平机工作特性进行了运动学和动力学仿真。27354 毕业论文关键词 :液体气压式高平机;优化设计;结构设计;运动学和动力学仿真
Title Design and Analysis of Elevating-equilibrium Mechanism System for a Type of Artillery
Abstract Nowadays local battles and regional conflicts have been the main form of war so that the maneuverability request of light cannon is put forward. In order to reduce overall quality of artillery, the one-piece hydropneumatic mechanism of elevating and equilibrating combines elevating mechanism and balancing mechanism on the premise of the function, which will be the development tendency of the large caliber artillery. According to the overall requirements of one type of ÿĀĀmm light towed howitzer, this paper analyzes all kinds of working principle of elevating-equilibrium mechanism and designs a kind of hydropneumatic mechanism of elevating and equilibrating. The structure style is optimized to reduce the maximum unbalanced torque and improve the working performance. On the basis of structure loading features, the paper checks the strength of the outer cylinder and the stability of the internal cylinder and analyzes the characteristics of mod on the tube structure. The simplified model of artillery virtual prototype is established to simulate the kinematics and dynamics characteristics of elevating-equilibrium mechanism. Keywords: hydropneumatic mechanism of elevating and equilibrating;optimization design;structural design; kinematics and dynamics simulation
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