Hanging elastic element for heavy all-wheel drive off-road vehicle and design method of element

Abstract

The invention discloses a hanging elastic element for a heavy all-wheel drive off-road vehicle and a design method of the element. The hanging elastic element comprises a variable-stiffness few-leaf-spring assembly, an intermediate axle assembly, a rear axle assembly and a balance shaft seat, the variable-stiffness few-leaf-spring assembly comprises primary spring group springs and secondary spring group springs, a frame is fixedly connected at the upper end of the secondary spring group spring, the upper ends of the intermediate axle assembly and the rear axle assembly are respectively connected with the upper end of the balance shaft seat through the primary spring group springs, and the lower ends of the intermediate axle assembly and the rear axle assembly are respectively connected with the lower end of the balance shaft seat through lower thrusting rods. The hanging elastic element has suitable hanging partial frequency under the independent action of the primary springs and under the combined action of the primary spring group springs and the secondary spring group springs, tests of smoothness, comfort and reliability of a real vehicle are verified, a type test is verified, and the hanging elastic element has good smoothness, comfort and reliability under various working conditions and solves the problems of poor smoothness and comfort of a linear single-stiffness leaf spring of a heavy 6X6 off-road vehicle.

Description

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AI Technical Summary

Benefits of technology

Introduction: A new type of shock absorber used on vehicles called lighter weight dumper trucks (LCD) can improve their performance during extreme operating situations such as overloading without sacrificing safety. It uses multiple pairs of elastic elements that work together like an airbag cushion with different degrees of rigidity depending upon how hard it'll hit road surfaces. By adding extra layers between these components, there is also added flexibility in adjustment based on factors like tire pressure levels and driving speeds. Overall, LCSD technology improves its overall effectiveness while maintaining safe operation even after being heavily stressed due to high loads compared to traditional designs.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the performance of all types of leaf spring systems that can be found on large truck or semi-trailer axles when they experience uneven loads during operation due to changes over time such as changing road surfaces or varying levels of activity level (either partial or complete). These issues affecting their overall function become more pronounced with increasing weight capacity and complexity of modern transportation infrastructure designs.

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