汽车起重机计算机辅助吊装方案设计

Computer-assisted lifting plan design of truck crane

针对手工制订汽车起重机吊装方案工作量大、精确度不高的问题,分析并探讨了利用计算机辅助进行最优吊装方案选择与确定的方法,通过编程开发了计算机辅助吊装方案设计系统。首先对吊装工况进行分析,计算出满足吊装工况的最小臂长和最小幅度;其次以其性能表中的数据为基础,拟合出不同工况下起重量与工作幅度之间的非线性方程;最后以满足吊装工况的最小臂长、最小幅度及物体质量选择拟采用的起重机型号并校核。

Aiming at problems of large working amount and low accuracy in the manual lifting planning for truck cranes,the paper analyzes and discusses the methods of selecting and determining the optimum lifting plans with computer assistance,the computer-assisted hoisting plan design system is developed through programming.The hoisting condition is analyzed at first to work out the minimum boom length and minimum radius meeting such hoisting condition;then the nonlinear equations between the hoisting capacity and working radius under different working conditions are fitted based on the data in the performance table;at last,the proposed crane model with the minimum boom length,minimum radius and load weight meeting the working condition is selected and verified.