Chassis articulation system for front and middle drive articulated buses

Abstract

The invention discloses a chassis articulation system for front and middle drive articulated buses, which includes a front frame, a rear frame and a turntable bearing, the front frame and the rear frame are rotatably connected by the turntable bearing, and the front frame includes an upper connection platform and a lower connection platform , one end of the upper connection platform and the lower connection platform are joined, the other end is provided with a ball joint installation part, the lower connection platform has a support hole setting part exposed outside the upper connection platform, the upper surface of the upper connection platform is curved, and the upper connection A plurality of support holes are provided on the upper surface of the platform and the support hole setting part of the lower connection platform. The front frame and the rear frame of the present invention realize bending and rotation through the turntable bearing, which improves the connection strength and safety factor between the two; and the present invention optimizes the structure of the front and rear frames by adopting finite element analysis, so that the bearing capacity of the joint of the hinge system is improved. The uniform dispersion of the hinge system ensures the structural strength of the hinge system while making the structure of the entire hinge system more reasonable, practical and lightweight.

Description

technical field [0001] The invention relates to the technical field of the chassis articulation system of an articulated bus, in particular to a chassis articulation system for a front- and middle-drive articulated bus with high safety performance, bearing capacity and high torsion resistance. Background technique [0002] With the rapid development of our automobile manufacturing industry, various vehicle manufacturing industries are also advancing by leaps and bounds. Articulated buses are gradually popularized in large and medium-sized cities in China due to their large passenger capacity and high utilization factor. Articulated buses are generally composed of front and rear compartments and a chassis articulation system connecting the front and rear compartments. [0003] The product feature of the old-fashioned front articulated bus hinge system is that the front and rear compartments are connected by a ball stud. When the ball stud breaks under special working conditio...

AI Technical Summary

Problems solved by technology

[0004] The front frame and the rear frame of another hinge system are connected by the upper and lower pins in the middle, and then locked by the connecting bolts of the pins. If the upper pin connecting the front frame and the rear frame breaks, the front The frame and the rear frame will be separated. From a structural point of view, the technical logic and safety are not very good

In addition, the thickness of the old articulation system is relatively large, which is not suitable for low-floor articulated buses

[0005] It can be seen that the joint structure of the original front and middle drive chassis hinge system is single, the force is not dispersed, the safety hazard is high, and the volume is bulky

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