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江西理工大学 机电工程学院, 江西 赣州 341000
朱花(1980— ),女,福建三明人,硕士,副教授,硕士研究生导师;主要研究方向为机械设计、智能控制;3522236@qq.com。
葛海文(1997— ),男,江西赣州人,硕士研究生;主要研究方向为越障机器人、智能控制;1969389152@qq.com。
纸质出版日期:2023-12-15,
收稿日期:2023-05-28,
修回日期:2023-06-03,
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朱花,葛海文.轮履式爬楼梯轮椅及轮履切换动力学分析[J].机械传动,2023,47(12):158-168.
Zhu Hua,Ge Haiwen.Wheel and Shoe Composite Stair Climbing Wheelchairs and Dynamic Analysis of Wheel Shoe Switching[J].Journal of Mechanical Transmission,2023,47(12):158-168.
朱花,葛海文.轮履式爬楼梯轮椅及轮履切换动力学分析[J].机械传动,2023,47(12):158-168. DOI: 10.16578/j.issn.1004.2539.2023.12.023.
Zhu Hua,Ge Haiwen.Wheel and Shoe Composite Stair Climbing Wheelchairs and Dynamic Analysis of Wheel Shoe Switching[J].Journal of Mechanical Transmission,2023,47(12):158-168. DOI: 10.16578/j.issn.1004.2539.2023.12.023.
针对目前轮履复合式爬梯轮椅存在轮胎易干涉履带、爬梯时轮椅与顶端平台易发生碰撞等问题,设计了一种以关节型摆臂履带底盘为爬楼梯机构、新型轮履切换方式的轮履式爬楼梯轮椅。建立其数学模型,分析得出质心坐标、攀爬楼梯质心垂向位移曲线以及在轮履切换4个阶段时,摆臂电动机和电动推杆的动力学变化曲线;采用RecurDyn软件对轮椅的上下楼梯模式和轮履切换模式进行仿真,结果表明,轮椅在上下楼梯过程中平稳、安全,轮履切换4个阶段动力学的理论值与仿真情况相符。研究为该类爬梯轮椅的机械结构设计以及电动推杆选型、摆臂电动机选型提供了理论依据。
In response to the current issues of wheel and shoe composite ladder wheelchairs
such as tire interference with the track
and collision between the wheelchair and the top platform during ladder climbing
a wheel shoe composite stair climbing wheelchair with a swing arm track chassis as the stair climbing mechanism and a new wheel shoe switching scheme is designed. Its mathematical model is established
the centroid coordinates
the vertical displacement curve of the center of mass for climbing stairs are analyzed
and the dynamic change curve of the swing arm motor and electric push rod during the four stages of wheel shoe switching are obtained. The up and down stairs mode and the wheel shoe switching mode of a wheelchair are simulated in RecurDyn software. The simulation results indicate that the wheelchair is smooth and safe during the process of ascending and descending stairs
and the theoretical values of the dynamics of the four stages of wheel shoe switching are consistent with the simulation situation. The research provides a theoretical basis for the mechanical structure design
electric push rod selection
and swing arm motor selection of this type of ladder wheelchairs.
轮履式爬楼梯轮椅上下楼梯轮履切换仿真分析
Wheel and shoe composite stair climbing wheelchairGoing up and down stairsWheel shoe switchingSimulation analysis
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PAN Sheng.A study on wheelchair with wheel shoe switching automatic ladder[D].Hangzhou:Zhejiang A&F University,2018:20-23.
陈伟荣,张华,王飞文,等.基于RecurDyn的新型爬楼梯轮椅的设计与仿真[J].机械传动,2018,42(10):96-100.
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RAO Wei,SHI Jiadong,WANG Jianzhong.Dynamic stability analysis of articulated tracked robots climbing stairs[J].Journal of Mechanical Engineering,2014,50(15):60-67.
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ZHOU Zhou.Structural design and simulation analysis of deformable mobile platform based on tracks[D].Harbin:Harbin Institute of Technology,2020:47-49.
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WANG Jinhong,LIN Yong,LI Hailin.Performance analysis of the tracked traveling mechanism in deep sea bed under different operating conditions based on Recurdyn[J].Journal of Mechanical Transmission,2017,41(5):45-52.
杨超.轮履复合式爬梯助残机器人设计与优化[D].武汉:湖北工业大学,2020:9-10.
YANG Chao.Design and optimization of a wheeled walking composite ladder assistive robot[D].Wuhan:Hubei University of Technology,2020:9-10.
中国建筑标准设计研究院有限公司.民用建筑设计统一标准:GB 50352—2019[S].北京:中国建筑工业出版社,2019:28-31.
China Institute of Building Standard Design & Research.Uniform standard for design of civil buildings:GB 50352—2019[S].Beijing:China Architecture & Building Press,2019:28-31.
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