MATEC Web Conf.
Volume 207, 2018International Conference on Metal Material Processes and Manufacturing (ICMMPM 2018)
|Number of page(s)||4|
|Section||Design and Optimization|
|Published online||18 September 2018|
Design and analysis of uptilted aerial ladder for fire truck format
XCMG Construction Machinery Co., Ltd, XCMG fire-fighting safety equipment Co., Ltd, Xuzhou, China
2 School of mechatronic engineering, China university of mining and technology, Xuzhou, China
3 XCMG state key laboratory of intelligent manufacturing of advanced construction machinery, Xuzhou, China
4 School of mechanical engineering, Yanshan university, Qinhuangdao, China
a Corresponding author: firstname.lastname@example.org
Aerial ladder fire truck is a kind of fire-fighting truck which is used for rescue of people and goods from high altitude locations. The aerial ladders of the fire truck are typically nested U-shaped truss structures manufactured with thin-walled steel by welding. Compared with close-shaped truss structures, their stiffnesses are relatively low. This means that they are quite slender structures, and they will deflect quite significantly due to their own weight and the working loads applied. If the original design of the ladder is straight, then the ladder will deform to a ‘fishing-rod’ shape in the air. The consequent ‘bent-down’ shape of the deformed ladder causes significant inconvenience during rescuing operations. To deal with this issue, a practical solution to the problem is that the ladder is manufactured with an appropriate uptilted curved shape, and it could deform to an approximately straight ladder when it is under certain desired working condition. In this paper, the effectiveness of the curved ladder design proposed in this paper has been validated by both finite element analysis and experimental results.
© The Authors, published by EDP Sciences, 2018
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