Vehicle Track System with Pivotable Frame and Resilient Bushings
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Solution Overview
Problem
Conventional track systems face challenges such as limited compatibility with various vehicle types, difficulty in adjusting for properties like increased steerability or floatability, and susceptibility to cracking and premature wear under high loads.
Innovation Solution
The proposed track system includes a drive wheel assembly, a frame assembly with pivotable members, and an undercarriage assembly with resilient bushings and support wheels, along with an endless track featuring traction lugs designed for enhanced traction and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional track systems are used, then traction and weight distribution are improved, but the system is difficult to adjust for various desired properties such as steerability or floatability
Solution Approach 1:
The track system incorporates adjustable components including a movable idler wheel assembly that can be repositioned along the frame, and a tensioning mechanism that allows dynamic adjustment of track tension. These dynamic elements enable the system to be modified for different operational requirements such as increased steerability or floatability without requiring complete system replacement.
Solution Approach 2:
The track system is divided into modular components including a frame assembly, drive wheel assembly, idler wheel assembly, and undercarriage assembly that can be independently adjusted or replaced. This segmentation allows specific portions of the system to be modified for different desired properties while maintaining the overall functionality of the track system.
2Reliability
If conventional endless tracks are used, then the track system can be installed on various vehicles, but the track is prone to cracking and premature wear under high loads
Solution Approach 1:
The endless track is constructed using composite materials that combine high-strength, wear-resistant alloys with elastic properties to withstand high loads. The track includes reinforced sections with increased material density in high-stress areas, and the use of composite construction provides both durability and flexibility to prevent cracking while maintaining load-bearing capacity.
Solution Approach 2:
The track system incorporates elastic elements and cushioning features in the track design that absorb and distribute high loads before they can cause damage. The elastic properties of the track material and the design of the track profile include built-in stress distribution features that prevent stress concentration and cracking initiation under high load conditions.
3Ease of operation
If large wheels with tires are used, then the vehicle can move along the ground surface, but the tires may compact the ground surface in an undesirable way
Solution Approach 1:
The track system replaces conventional solid tires with a segmented track design consisting of multiple individual track links that can independently contact the ground surface. This segmentation distributes the vehicle weight across many smaller contact points rather than through a single large tire, reducing ground pressure and preventing compaction while maintaining mobility.
Solution Approach 2:
The track system uses a modular link construction that creates a porous or spaced-out contact pattern with the ground surface, allowing the track to conform to uneven terrain while distributing loads. The modular nature of the track links provides flexibility and adaptability to various ground conditions without concentrating weight on specific points.
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
This track system improves traction and weight distribution, enhances steerability and floatability, and extends the lifespan of the track system by mitigating cracking and wear, thus addressing the limitations of conventional systems.
Implementation Method 1
at least one resilient bushing having a first surface fixedly connected to the connecting pin, and a second surface fixedly connected to the second frame member
Implementation Method 2
at least one resilient bushing
Data Source
AI summary
A track system, which is for a vehicle, includes a drive wheel assembly, a frame assembly, an undercarriage assembly and an endless track. The drive wheel assembly is operatively connectable to a shaft of the vehicle, and is rotatable about a first pivot axis. The frame assembly includes a first frame member that is removably connected to the vehicle, and a second frame member pivotally connected to the first frame member about a second pivot axis that is vertically spaced from the first pivot axis. The undercarriage assembly includes a beam with a connecting pin, at least one resilient bushing and at least one support wheel assembly. The endless track is drivingly engaged to the drive wheel assembly. An endless track is also disclosed.