自重势能气动式助力装置设计与试验

Design and Test of Self-gravity Potential Energy Pneumatic Power Assist Device

长时间负重行走或站立对人的体力消耗很大,甚至危害身体健康。基于此,设计了一款自重势能回收气动式助力装置。该装置采用轻质合金材料作为支撑骨架,利用结构拓扑优化方法实现骨架轻量化设计,通过脚跟底部设置的气囊回收人的重力势能实现肩部负载的减轻,无需外部动力源,结构简单,成本低,并能够实现骨架衣服一体化设计,穿戴行走方便。多次试验证明,该装置能有效减轻肩部负重行走或站立带来的体力消耗。

Long time walking or standing with a heavy load will expend a lot of physical energy, and even harm the health. To settle the problem, a self-gravity potential energy recovery and pneumatic power assisting device is designed. A light alloy material is used as the supporting frame. In this paper, we design the light device by using structural topology optimization methods. An airbag is set under the heel bottom to recover the gravity potential energy. This device does not need external power source, and has a simple structure, and is low cost. Moreover, the frame can be designed integratedly with clothing to make wearing and walking easy. Tests have proved that the device can effectively reduce the physical consumption on walking or standing with a heavy load.