Dual Leaf Spring Suspension Structure for Impact Stability
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Solution Overview
Problem
Traditional suspension structures with a single leaf spring construction are weak in connection strength and prone to breaking under external impacts, leading to poor stability and increased vibration in vehicles.
Innovation Solution
A suspension structure featuring a leaf spring assembly with two leaf spring constructions arranged in a front-to-rear direction, connected via an upper arm, steering knuckle, and shock absorber, which enhances connection strength and stability by distributing forces evenly and improving shock absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single leaf spring construction is used, then the device complexity is reduced, but the connection strength and stability deteriorate
Solution Approach 1:
The single leaf spring construction is divided into two separate leaf spring constructions (first and second) arranged in parallel. Each leaf spring construction independently connects to the body structure and wheel assembly, distributing the mechanical loads and improving overall connection strength while maintaining manageable structural complexity through modular design
2Device complexity
If a single leaf spring construction is used, then the device complexity is reduced, but the stability deteriorates
Solution Approach 1:
The suspension system is segmented into two parallel leaf spring constructions that work together to provide enhanced stability. The parallel arrangement creates a more rigid structural configuration that resists body roll and vibration while maintaining individual leaf spring flexibility for comfort
Solution Approach 2:
Two leaf spring constructions are merged into a unified suspension system where both springs work simultaneously to support the vehicle body. The combined structure leverages the synergistic effect of dual springs to improve overall stability and load distribution
3Device complexity
If shock absorber is not properly positioned, then the device complexity is reduced, but the shock absorption effect deteriorates
Solution Approach 1:
The shock absorber is specifically positioned at the central location between the two leaf spring constructions, creating a localized optimization of shock absorption capability. This central positioning ensures the shock absorber directly addresses the primary vibration and impact forces transmitted through the suspension system
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The enhanced suspension structure improves connection strength and stability, reduces wear on the shock absorber, and prolongs its service life, while providing a more significant shock absorption effect for smoother vehicle operation.
Implementation Method 1
a lower end of the shock absorber is connected to the second mounting portions of the two leaf spring constructions via a third connecting mechanism
Implementation Method 2
The elastic elements are typically springs, leaf springs, and the like. An elastic element of the leaf spring type generally includes a group of leaf springs
Implementation Method 3
used to transfer forces and torques between the chassis and wheels, buffer the impact load transferred from irregularities in a road surface to the chassis
Data Source
AI summary
Various embodiments provide a suspension structure and a vehicle, and relates to the field of vehicle technologies. In some embodiments, the suspension structure includes a leaf spring assembly, an upper arm, a steering knuckle, and a shock absorber. The leaf spring assembly includes two leaf spring constructions arranged in a front-to-rear direction. Both leaf spring constructions are arranged transversely relative to a body structure, and the middle part of each leaf spring construction is fixedly connected to the body structure; and each of the leaf spring constructions is provided with two free ends in a length direction, and each of the free ends is provided with a first mounting portion and a second mounting portion. One end of the upper arm is rotatably connected to the body structure.