燃爆类应急离机门作动器冲击强度分析

目前,有关应急离机的研究多是对离机轨迹或离机系统构成的探讨,对于应急离机门作动器的强度分析鲜有涉及。基于功能转换思想,利用瞬态动力学分析方法对应急离机门作动器冲击强度进行分析。结果表明:燃爆类应急离机门作动器冲击强度与燃爆气压、燃爆室体积及活塞杆组件的质量均有很大关系;作动器活塞杆与外筒冲击部位附近的倒圆角处为作动器抗冲击的薄弱环节和危险区域。

Impact Strength Analysis of Fireand Explosion Emergency Door Actuator

At present, the research on emergency departure is mostly about the departure track or the departure system.The strength analysis of the emergency door actuator is rarely involved.In order to solve this problem, the fire and explosion emergency gate actuator is taken as the research object.A shock intensity analysis method is proposed, which converts the detonation pressure to the initial impact velocity, simulates by the transient dynamic analysis method, and evaluates product impact strength based on fracture strength of materials.Simulation results show the effectiveness of the proposed method.The results show that the method can be used to analyze the impact strength of the explosive and emergency gate actuator, and has a certain versatility and accuracy.