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相关概念视频

Eccentric Axial Loading in a Plane of Symmetry01:16

Eccentric Axial Loading in a Plane of Symmetry

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Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
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Cable Subjected to Concentrated Loads01:28

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Flexible cables are commonly used in various applications for support and load transmission. Consider a cable fixed at two points and subjected to multiple vertically concentrated loads. Determine the shape of the cable and the tension in each portion of the cable, given the horizontal distances between the loads and supports.
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Stability of structures01:14

Stability of structures

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In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
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Cable Subjected to a Distributed Load01:24

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The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
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Frames: Problem Solving II01:26

Frames: Problem Solving II

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Consider a hydraulic hoist supporting a load of 1 kN. Assuming a simplified schematic representation of this frame structure, the force acting on BD and BF members can be determined.
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Machines: Problem Solving II01:30

Machines: Problem Solving II

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
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Application of Design Aspects in Uniaxial Loading Machine Development
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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)
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概括
此摘要是机器生成的。

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.

关键词:
一定力机制的机制.货物运输车载货物运输车载货物代谢成本是代谢成本.悬挂式背包背包 悬挂式背包

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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.