小型电动底盘专用电动悬挂结构设计与仿真分析

doi:10.13733/j.jcam.issn.2095-5553.2025.07.038

摘要/Abstract

摘要： 针对传统三点悬挂结构复杂、尺寸大，难以适用于小型电动底盘挂接的问题，设计一种小型电动底盘专用电动悬挂装置。首先，介绍悬挂装置整体结构与工作原理，在对提升四杆机构进行运动分析的基础上进行电动推杆选型。其次，基于Adams软件对悬挂结构进行运动学仿真。最后，实地试验测量和分析悬挂装置的最大提升高度与平均提升速度，并与仿真结果进行比较。结果表明：实地试验所测量的最大提升高度为260 mm，与仿真结果之间的误差为1.5%；试验得出的平均提升速度为11.40 mm/s，与仿真所得出的平均提升速度的误差在5%，验证仿真的准确性并满足设计要求。

关键词: 电动底盘, 电动悬挂, 电动推杆, 运动学分析

Abstract: To address the limitations of traditional three-point hitches, namely their complex structure and large size, which hinder their application in small electric chassis, a specialized electric suspension device was developed. The study first introduces the overall design and working principle of the suspension device. Based on a motion analysis of the lifting four-bar linkage mechanism, an electric push rod was selected as the actuator. Next, kinematic simulations of the suspension system were conducted using Adams software. Finally, field experiments were carried out to measure and analyze the maximum lifting height and average lifting speed of the suspension device, and the results were compared with the simulation data. The results showed a maximum lifting height of 260 mm, with only a 1.5% deviation from the simulation results. The average lifting speed was 11.40 mm/s, with an error margin of approximately 5% compared to the simulation. These findings confirm the accuracy of the simulation model and demonstrate that the suspension device meets the intended design requirements.

Key words: electric chassis, electric suspension, electric push rod, kinematics analysis

中图分类号:

S220.2

陈紫娟, 谭元富, 杜有洪, 李佳阳, 李青涛. 小型电动底盘专用电动悬挂结构设计与仿真分析[J]. 中国农机化学报, 2025, 46(7): 267-272.

Chen Zijuan, Tan Yuanfu, Du Youhong, Li Jiayang, Li Qingtao. Design and simulation analysis of electric suspension structure for small electric chassis [J]. Journal of Chinese Agricultural Mechanization, 2025, 46(7): 267-272.

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