A leaf spring suspension system and light truck

A suspension system and leaf spring technology, which is applied in the field of light truck spring suspension, can solve the problems of reducing the dynamic-static ratio of the leaf spring suspension system and low-frequency resonance, so as to improve the anti-pitch ability, solve low-frequency resonance, and protect the goods. Effect

Active Publication Date: 2022-07-19
SINO TRUK JINAN POWER
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies in the above-mentioned prior art, the present invention provides a leaf spring suspension system and a light truck, which can reduce the dynamic-to-static ratio of the leaf spring suspension system, solve the problem of low-frequency resonance, ensure the ride comfort of the truck, and protect the cargo

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  • A leaf spring suspension system and light truck
  • A leaf spring suspension system and light truck
  • A leaf spring suspension system and light truck

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Embodiment Construction

[0024] In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings in the specific embodiments. Obviously, the implementation described below Examples are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this patent.

[0025] In order to better explain this scheme, the special terms are explained:

[0026] Free arc height: refers to the arc height when the leaf spring is manufactured without external force;

[0027] Topology optimization design: refers to an optimization design method, which aims to obtain a workpiece structure that not only ensures the use indicators such as workpiece...

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Abstract

The invention provides a leaf spring suspension system and a light truck, and relates to the technical field of spring suspension for light trucks. The length decreases sequentially from bottom to top. There are spacers between the auxiliary leaf springs and between the auxiliary leaf springs and the main spring. The auxiliary leaf springs do not contact each other and the lowermost auxiliary leaf spring does not contact the main spring. The spring spacer is located in the middle of the auxiliary leaf spring and the main spring, and the auxiliary leaf spring and the leaf spring spacer are connected with the main spring; it also includes a plurality of auxiliary leaf spring brackets, and the auxiliary leaf spring brackets are located above both ends of each auxiliary leaf spring, only When the auxiliary leaf spring is fully loaded and deformed, the end of the auxiliary leaf spring is in contact with the corresponding auxiliary leaf spring bracket. The invention can reduce friction and superimposed force by reducing the contact between the leaf springs, thereby reducing the dynamic-to-static ratio of the leaf spring suspension system, solving the problem of low frequency resonance, ensuring smoothness and protecting goods.

Description

technical field [0001] The invention relates to the technical field of light truck spring suspension, in particular to a leaf spring suspension system and a light truck. Background technique [0002] At present, the leaf springs in the field of light trucks are generally variable-section leaf springs, constant-section leaf springs, or a combination of the two; the rear suspension changes greatly due to the empty and full load. The stiffness of the leaf spring assembly is generally a secondary stiffness leaf spring. The common structures of the primary and secondary leaf springs of the secondary leaf spring include the gradual change leaf spring on the bottom of the secondary leaf spring and the ordinary primary and secondary leaf spring on the top of the secondary leaf spring. The secondary leaf spring on top of the secondary leaf spring is widely used due to the advantages of low design difficulty, excellent bearing performance, safety and reliability, etc. At the same time...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G11/10B60G11/113
CPCB60G11/10B60G11/113B60G2202/114B60G2204/10B60G2300/024
Inventor 梁永强李德高李自杨李显龙韩建伟
Owner SINO TRUK JINAN POWER
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