Vehicle Track System Damping for Ride Comfort
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Solution Overview
Problem
Conventional track systems for vehicles, especially those used on soft, slippery, or uneven surfaces, suffer from reduced ride comfort due to lack of damping, leading to increased vibrations and vertical displacements, which can cause operator discomfort and premature wear of vehicle components.
Innovation Solution
A track system with a scissor-like structure that includes pivotable leading and trailing frame members, idler wheels, and a damper to reduce vertical displacements and vibrations, along with a gearbox and sprocket wheel mechanism to distribute weight and reduce pressure on the ground, thereby enhancing ride comfort and load-bearing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If track systems are used in place of wheels and tires, then traction and weight distribution are improved, but ride comfort deteriorates due to increased vibrations and vertical displacements
Solution Approach 1:
The patent applies beforehand cushioning by incorporating a damper system that pre-establishes vibration damping capability in the track system. The damper is positioned and configured to actively counteract vibrations and vertical displacements before they significantly impact ride comfort, thereby resolving the contradiction between improved traction and maintained ease of operation.
2Area of stationary object
If track systems are used in place of wheels and tires, then weight distribution over ground surface is improved, but vibrations and vertical displacements increase
Solution Approach 1:
The patent employs an intermediary approach by introducing a damper as a mediating component between the track system and the vehicle chassis. This damper acts as an intermediary element that absorbs and dissipates vibrations and vertical displacements, allowing the track system to maintain its weight distribution advantages while eliminating the harmful vibrations that would otherwise be transmitted to the vehicle.
3Strength
If conventional track systems are used, then load-bearing capacity is improved, but component wear increases due to lack of damping
Solution Approach 1:
The patent applies beforehand cushioning by integrating a damper system that proactively reduces vibrations and vertical displacements before they can cause premature wear to vehicle components. This allows the track system to maintain its load-bearing capacity while the damper protects components from vibration-induced wear, thereby extending component lifespan and improving reliability.
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 track system improves ride comfort by damping vibrations and reducing vertical displacements, allowing for increased load-bearing capacity and minimizing the tendency to pitch negatively, thus extending vehicle component lifespan and reducing maintenance costs.
Implementation Method 1
a damper to reduce vertical displacements and vibrations
Data Source
AI summary
Track system for a vehicle having a chassis and a drive shaft extending laterally outwardly from the chassis includes: An attachment assembly having a pivot. A multi-member frame assembly including: a leading frame member pivotably connected to the attachment assembly via the pivot for pivoting about a pivot axis; a trailing frame member pivotably connected to the attachment assembly via the pivot for pivoting about the pivot axis; a leading wheel-bearing frame member at least indirectly pivotably connected to the leading frame member; a trailing wheel-bearing frame member at least indirectly pivotably connected to the trailing frame member. A damper interconnecting the leading frame member and the trailing frame member. A leading idler wheel assembly; a trailing idler wheel assembly; support wheel assemblies; a gearbox; a sprocket wheel; and an endless track.