摘要
为了得到液压缸对吊臂最小的最大推力等,对起重机的受力进行优化。在吊臂受力分析的基础上,先优化确定液压缸对吊臂最小的最大推力,再优化确定其它铰链的受力和液压缸最小的最大油压。采用二次优化的方法可得液压缸对吊臂最小的最大推力,即先优化得到液压缸与吊臂连接的铰链的最大水平偏距;再优化得液压缸对吊臂的最大推力。其结果表明:液压缸与吊臂连接的铰链在最大水平偏距时,液压缸对吊臂的最大推力最小,相应的液压缸的最大油压最小。
To obtain min-max force of a hydraulic cylinder on an arm, force of a crane is optimized. On the base of farce analysis of an arm, min-max force of a hydraulic cylinder for an arm is determined by method of optimization, then force of other hinge and min-max pressure of a hydraulic cylinder are determined. Min-max force of a hydraulic cylinder for an arm is obtained by method of two steps of optimization. Maximum horizontal distance of an hinge between a hydraulic cylinder and an arm is obtained by method of optimization. Then, maximum force of a hydraulic cylinder for an arm is got by method of optimization. The results show that maximum force of a hydraulic cylinder for an arm is minimum when horizontal distance of an hinge between a hydraulic cylinder and an arm is maximum, in which the maximum pressure of a hydraulic cylinder is minimum.
出处
《机械设计与制造》
北大核心
2014年第5期53-55,共3页
Machinery Design & Manufacture
基金
江苏省高校自然科学研究重大项目(12KJA460001)
江苏省高校自然科学基金资助项目(12KJB460001)
关键词
起重机
液压缸
力
优化
Crane
Hydraulic Cylinder
Force
Optimization
