Rescue jack system applying hydrogen-absorbing alloys as a pressure source

Rescue jack system applying hydrogen-absorbing alloys as a pressure source
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采用吸氢合金作为压力源的救援千斤顶系统

DOI:
10.1016/j.ijhydene.2018.09.190
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发表时间:
2018
影响因子:
7.2
通讯作者:
and S. Ino
and S. Ino
中科院分区:
工程技术2区
文献类型:
--
作者:
M. Hosono;K. Sakaki;Y. Nakamura;and S. Ino

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本文提出了一种灵活而紧凑的救援千斤顶系统,使用吸氢合金作为其压力源。千斤顶系统包括用于吸氢合金的容器和末端执行器,该末端执行器足够薄以应用于2 mm厚的间隙内,由纤维增强橡胶袋制成。吸氢合金(LaNi4.45Co0.5Mn0.05)的平台压力设定为25 °C时接近大气压,当加热到50 °C时释放氢气。实验表明,当合金容器放入热水(50 °C)中时,该系统可以以中等速度提升100 kg。此外,千斤顶系统可以保持一个50毫米举升100公斤近12小时的性能与空气千斤顶。这清楚地表明纤维增强橡胶袋是致动器的合适末端执行器。建议的千斤顶系统具有很好的潜力,可以由非专业操作人员进行迅速的救援活动。
This paper presents a flexible and compact rescue jack system that uses a hydrogen-absorbing alloy as its pressure source. The jack system comprises a container for the hydrogen-absorbing alloy and an end effector thin enough to be applied within a 2 mm-thick gap, made of a fiber-reinforced rubber bag. The hydrogen-absorbing alloy (LaNi4.45Co0.5Mn0.05), whose plateau pressure was set to near atmospheric pressure at 25 °C, released hydrogen gas when heated to 50 °C. Experiments showed the system could lift 100 kg at moderate speed when the alloy container was placed in hot water (50 °C). Moreover, the jack system could maintain a 50 mm lift of 100 kg for nearly 12 h—performance comparable with that of an air jack. This clearly indicates the fiber-reinforced rubber bag is a suitable end effector of the actuator. The proposed jack system has good potential for prompt rescue activities conducted by non-professional operatives.
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DOI: 10.1163/156855387x00228
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