基于凸轮的简单设计的常力悬挂背包,以隔离动态负载
Haotian Ju1, Zihang Guan1, Junchen Liu1
1State Key Laboratory of Robotics and Systems, Harbin Institute of Technology, Harbin 150001, China.
Biomimetics (Basel, Switzerland)
|September 26, 2025
概括
一个新的基于凸轮的常力悬挂背包 (CCSB) 在载荷运输过程中显著降低了峰值垂直力和人类代谢成本. 这种创新的设计为长时间的搬运任务提供了更轻,更适应性的解决方案.
科学领域:
- 生物力学 生物力学
- 机械工程 机械工程
- 人体工程学就是人体工程学.
背景情况:
- 使用普通背包 (OBs) 进行长时间的载荷运输会导致肌肉疲劳和骨损伤.
- 现有的悬挂背包在适应性上有局限性 (以弹性绳索为基础) 或增加大量重量 (主动悬挂).
研究的目的:
- 引入和评估一款基于凸轮的新型常力悬挂背包 (CCSB).
- 评估CCSB在减轻货物运输过程中的力量,代谢成本和运输消耗方面的有效性.
主要方法:
- 开发了一种式弹机制,其悬架刚度接近零.
- 建造一个测试平台来评估常量力性能 (最大误差<1.96%).
- 在不同步行速度 (实验室和户外) 进行负荷承载实验.
主要成果:
- 与OB相比,CCSB平均减少了84.47%的峰值加速垂直力.
- 人类的代谢成本在CCSB下降了10.58%.
- 户外测试显示,运输消费减少了8.26%.
结论:
- 基于凸轮的常力悬挂背包 (CCSB) 有效地减轻与载荷运输相关的力和代谢成本.
- 它的紧型设计增强了商业化潜力和实际应用.
- CCSB为传统和现有的悬挂背包设计提供了一个有希望的替代方案.
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