Structure Design and Kinematics Simulation Analysis of Standing and Lying Nursing Wheelchair

Shuai Zhang; Zhendong Shang; Zhigang Hu; Dongliao Fu

doi:10.16578/j.issn.1004.2539.2021.05.012

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Structure Design and Kinematics Simulation Analysis of Standing and Lying Nursing Wheelchair

Design· Calculation | 更新时间：2022-11-10

- Structure Design and Kinematics Simulation Analysis of Standing and Lying Nursing Wheelchair
- Journal of Mechanical Transmission Vol. 45, Issue 5, Pages: 83-89(2021)
- 作者机构：
  
  1.河南科技大学机电工程学院，河南洛阳 471003
  2.机械装备先进制造河南省协同创新中心，河南洛阳 471003
  3.河南科技大学医学技术与工程学院，河南洛阳 471003
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.05.012
  CLC：
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张帅,尚振东,胡志刚等.坐立卧式护理轮椅的结构设计及运动学仿真分析[J].机械传动,2021,45(05):83-89.

Zhang Shuai,Shang Zhendong,Hu Zhigang,et al.Structure Design and Kinematics Simulation Analysis of Standing and Lying Nursing Wheelchair[J].Journal of Mechanical Transmission,2021,45(05):83-89.
张帅,尚振东,胡志刚等.坐立卧式护理轮椅的结构设计及运动学仿真分析[J].机械传动,2021,45(05):83-89. DOI： 10.16578/j.issn.1004.2539.2021.05.012.

Zhang Shuai,Shang Zhendong,Hu Zhigang,et al.Structure Design and Kinematics Simulation Analysis of Standing and Lying Nursing Wheelchair[J].Journal of Mechanical Transmission,2021,45(05):83-89. DOI： 10.16578/j.issn.1004.2539.2021.05.012.

摘要

为满足行动不便的老年人和残障患者的护理需求，设计了可辅助站立、辅助躺卧的坐立卧式护理轮椅。阐述了轮椅机构的设计方案和工作原理，并基于人机工程学原理，采用三维步态分析及运动系统分析了正常人体起立、躺卧过程中各关节的运动轨迹规律。建立轮椅机构间几何关系，并对机构进行了运动学分析；结合人体测量学数据，确定各构件参数并建立虚拟样机；运用Adams软件对机构进行了运动仿真，仿真中机构运行平稳。仿真结果表明，坐立卧式护理轮椅辅助人体坐、立、卧运动符合健康人体运动规律，验证了机构设计的合理性。

Abstract

In order to meet the nursing needs of the elderly and disabled patients with mobility difficulties， a standing and lying nursing wheelchair that can assist standing and assisting lying is designed. The design scheme and working principle of the wheelchair mechanism are expounded. Based on the principle of ergonomics， three-dimensional gait analysis and motion system are used to analyze the movement trajectory of normal joints during the process of standing up and lying down. The geometric relationship between wheelchair mechanisms is established， and the kinematics analysis of the mechanism carried out. Combining the anthropometric data， the parameters of each component are determined and a virtual prototype is established. By using the Adams software， the motion simulation of the mechanism is carried out， the mechanism runs smoothly in the simulation. The simulation results show that the sitting， standing and lying nursing wheelchair assists the human body to sit， stand， and lie down in accordance with the laws of healthy human movement， which verifies the rationality of the mechanism design.

关键词

护理轮椅机构设计运动分析Adams仿真

Keywords

Nursing wheelchairMechanism designKinematic analysisAdams simulation

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