Influence of Hydraulic Anti-kink System on Curving Performance of Tram

doi:10.3901/JME.2019.24.162

Abstract

Abstract: According to the action principle of tram hydraulic anti-kink system, based on the flow continuity equation and force balance equation, and considering the judgment basis for the working condition of the buffer valve in detail, a dynamic model of the tram hydraulic anti-kink system is established, and the dynamic response characteristics of hydraulic anti-kink system is analyzed. Based on the dynamic model of hydraulic anti-kink system, the collaborative dynamics simulation model of the tram with 4 modular single carbodies and independently rotating wheels and the hydraulic anti-kink system is established to investigate the influence of the hydraulic anti-kink system on the running performance of tram. The results indicate that:compared with the traditional tram without hydraulic anti-kink system, the installation of hydraulic anti-kink system can make the carbody yaw angle of the front and rear modules in the same unit of the tram tend to be consistent, and effectively reduce the maximum of carbody yaw angle and lateral offset of the tram; the forces applied on anti-kink control cylinders are different and the maximum of the forces is on the control cylinders closed to guide wheel of the front module; hydraulic anti-kink system improves the curving performance and increases safety of the whole tram.

Key words: tram, anti-kink system, dynamics, hydraulic

CLC Number:

U270

HUANG Youpei, JI Yuanjin, GONG Dao, LENG Han, REN Lihui, LI Jing. Influence of Hydraulic Anti-kink System on Curving Performance of Tram[J]. Journal of Mechanical Engineering, 2019, 55(24): 162-171.

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