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我国道路货物运输模式正从单车运输向甩挂运输拓展,在牵引车与半挂车的“甩、挂”过程中,半挂车支承装置能否省力、快速、安全、可靠地发挥作用是甩挂运输的关键之一。在甩挂运输逐步推进的过程中,半挂车支承装置也从起初的单一形式向多种结构形式发展。本文对半挂车支承装置的作用、结构、应用、标准以及发展趋势等作了分析,为半挂车支承装置国家标准的完善及其规范提供参考。
China’s road freight transport mode is expanding from transport of bicycles to drop-off transport. In the process of “rejection and suspension” of tractor and semi-trailer, whether the semi-trailer support device can save effort, quickly, safely and reliably One of the keys to hanging transportation. Trampoline transport in the process of progress, semi-trailer support from the initial single form to a variety of structural forms. In this paper, the function, structure, application, standard and development trend of the semi-trailer supporting device are analyzed to provide references for the improvement of the national standard of semi-trailer supporting device and its norms.