摘要
根据平行连杆式锻造操作机的结构特性和控制原理,分析了锻造操作机吊挂系统的工况,明确了锻造操作机的缓冲机理,建立了锻造操作机的启动和制动工况动力学模型,为优化锻造操作机的缓冲性能提供了理论支撑。结合锻造操作机的缓冲机理和工况,分析了缓冲缸和平升缸对锻造操作机缓冲性能的影响,明确了平升缸在缓冲装置中的作用。通过对缓冲缸的受力状态和平升缸驱动力矩的分析,提出了影响锻造操作机缓冲性能的结构因素,研究了钳杆平升降与缓冲缸、平升缸与前转架的位置关系对缓冲性能的影响,确定了前吊杆和缓冲缸的结构参数,明确了锻造操作机缓冲装置关键结构因素的内在关系,为锻造操作机的动力学分析和吊挂系统结构设计提供了理论依据。
Based on the structural characteristics and control principles of parallel link type forging manipulator,the working status of the hanging system for forging manipulator was analyzed,and the buffer mechanism of forging manipulator was clarified.Then,the dynamic models were established based on the starting and braking conditions of forging manipulator,which provided theoretical support for optimizing the buffer performance of forging manipulator.Furthermore,combined with the buffer mechanism and the working status of forging manipulator,the influences of buffer cylinder and horizontal lifting cylinder on the buffer performance of forging manipulator were analyzed,and the role of horizontal lifting cylinder in the buffer device was clarified.Through the analysis of the stress state of buffer cylinder and the driving torque of horizontal lifting cylinder,the structural factors affecting the buffer performance of forging manipulator were proposed,the influences of the position relationships between the horizontal lifting of clamp rod and the buffer cylinder,horizontal lifting cylinder and front turret on the buffer performance were studied,the structural parameters of front boom and buffer cylinder were determined,and the inherent relationship of the key structural factors for the buffer device of forging manipulator was clarified,which provides the theoretical basis for the dynamic analysis and the hanging system structure design of forging manipulator.
作者
陈缘缘
刘艳妍
张起樑
何琪功
Chen Yuanyuan;Liu Yanyan;Zhang Qiliang;He Qigong(School of Mechanical Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China;Lanzhou LS Energy Equipment Engineering Research Co.,Ltd.,Lanzhou 730050,China)
出处
《锻压技术》
CAS
CSCD
北大核心
2023年第2期168-173,共6页
Forging & Stamping Technology
基金
国家自然科学基金资助项目(51265022)。
关键词
锻造操作机
缓冲性能
动力学模型
平升缸
缓冲缸
forging manipulator
buffer performance
kinetic model
horizontal lifting cylinder
buffer cylinder
