Due to construction requirements,the extension and extension of the outriggers of the truck crane cannot be kept consistent in the confined space,and its lifting capacity cannot be calculated in real time,which has a great impact on the lifting operations of the crane.This paper presents an algorithm for outrigger pressure of a truck crane with variable span,and introduces the calculation principle,load,and calculation model of this method in detail.Finally,the experimental verification proves that the theoretical calculation of the algorithm is very close to the measured value.This method has certain guiding significance to engineering practice.In addition,using Visual Studio software as a tool,a convenient calculation program was developed to provide a simple method for calculating the reaction force of the variable span outrigger of a truck crane,and optimize the working conditions of the truck crane.
The common overhead crane trolley is mostly centralized drive control operation, the operation process of noise, inertia, that is,the impact of large, often occurring parts wear damage, seriously affecting the service life of the trolley mechanism, so the crane trolley for separate drive design, drive, control devices for improvement, including drive motors and reducer equipment selection optimization design.After the operation test shows that the effect is significant and can meet the needs of the use of harsh working conditions.
基于坑道钻机设备钻探精度以及效率不满足实际钻探要求的问题,利用斜面增力以及材质参数优化的方式对坑道钻机的制动装置进行优化设计.通过仿真试验对坑道钻机制动装置从刚度、制动力矩两方面进行仿真分析发现,制动效果较好,基本满足设计需要.
通过对ZDY型坑道钻机的实际运行工况进行分析,并基于液压回转回路系统进行变频调速设计,通过在不同负载条件下控制液压系统流量对坑道钻机输出速度以及输出转矩进行灵活调节.通过仿真分析可以看出,该控制系统在遭遇突变负载时能够快速进行自适应调节,调节速度较快,可以满足实际钻探需要.
基于煤矿带式输送机基本结构特征,运用仿真分析方法构建带式输送机仿真模型,以此为基础实施带式输送机动力学仿真分析,根据分析结果介绍一种新型制动油缸设计方案,并为验证此方案的应用价值,将新型自动油缸设计方案应用于工程实践.
