可楼梯行走的变容式便携物流周转箱设计

Design of Variable Capacity Portable Logistics Turnover Box Capable of Walking on Stairs

为减轻工作人员劳动强度,本文设计一种可楼梯行走的变容式便携物流周转箱,用于末端物流配送环节。根据物流周转箱的应用需求,设计箱体结构及主要机构,包括变容与折叠机构、行星轮组行走机构、拉杆伸缩与旋转机构,以实现装置主要功能;利用CREO软件建立模型,并应用ANSYS软件对箱体进行结构有限元分析,应用ADAMS软件进行楼梯行走运动仿真,设计出可实现特定功能的物流周转箱。结果表明,箱体的强度与刚度满足载物要求;变容机构中的限位螺钉作为关键受力部件,强度与刚度满足使用要求,可承受径向冲击力作用;通过多次运动仿真确定行星轮组最优化结构尺寸,且满足运动稳定性要求。该物流周转箱的设计可实现多种功能,满足于末端物流配送环节及城市共同配送模式,也可适用于零售业、家庭等多种使用场景。

In order to reduce the labor intensity of staff,a variable volume portable logistics turnover box that can walk on stairs was designed for the terminal logistics distribution.Aiming at the application requirements of logistics turnover box,the box structure and main mechanism were designed,including variable volume and folding mechanism,planetary gear group walking mechanism,rod telescopic and rotating mechanism to realize the main function of the device.The CREO software was used to establish the model,and ANSYS software was used to carry out the structural finite element analysis of the box,and ADAMS software was used to carry out the stair walking motion simulation.A logistics turnover box with specific functions was designed.The results of simulation analysis showed that the strength and stiffness of the box could meet the load requirements.As the key stress components,the strength and stiffness of the limit screw in the variable volume mechanism can meet the use requirements and can withstand radial impact force.The optimal structure size of planetary gear set was determined by multiple motion simulation,and the motion stability requirements were met.The design of logistics turnover box can achieve a variety of functions,which is suitable for the terminal logistics distribution and the urban common distribution mode,as well as a variety of use scenarios such as retail and family.