Self-Lubricating Composite Bearings for Track Adjust Cylinder
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Solution Overview
Problem
Current undercarriage systems for tracked machines require frequent maintenance and replacement of wear strips in bearing blocks, leading to increased machine downtime and costs, as they do not have a maintenance-free recoil mechanism.
Innovation Solution
A recoil assembly with a guide assembly that includes a hollow cylindrical guide element, a seal member, and self-lubricating composite bearings, which supports the track adjust cylinder and reduces friction, eliminating the need for external lubrication and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bearing blocks with wear strips are used to support the hydraulic cylinder, then the recoil functionality is provided, but frequent maintenance and replacement are required
Solution Approach 1:
The patent changes the material parameter of the bearing block from traditional metal with wear strips to composite material (polymer matrix with embedded fibers). This material parameter change eliminates wear and the need for maintenance while maintaining the recoil functionality, directly resolving the contradiction between reliability and maintenance time.
Solution Approach 2:
The patent employs composite materials consisting of a polymer matrix with embedded fibers (such as glass, carbon, or aramid fibers). These composite materials provide both the structural support needed for recoil functionality and the wear-resistant properties that eliminate maintenance requirements, thus resolving the contradiction between providing recoil functionality and reducing maintenance downtime.
2Ease of operation
If traditional bearing blocks with wear strips are used, then support for the hydraulic cylinder is provided, but frequent maintenance and replacement increase costs
Solution Approach 1:
The composite bearing block is designed to be self-lubricating and wear-resistant through its material composition. The material itself provides the necessary low-friction surface and structural support without requiring external lubrication or maintenance interventions, enabling the system to support the hydraulic cylinder without frequent human intervention for maintenance.
3Ease of operation
If wear strips are used in bearing blocks, then the hydraulic cylinder can slide, but frequent replacement is required
Solution Approach 1:
The patent changes the friction parameter through material selection. The composite material provides inherent low-friction properties that enable smooth sliding of the hydraulic cylinder without the need for wear strips. This parameter change maintains operational ease while eliminating the productivity losses associated with frequent maintenance and replacement.
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 recoil assembly provides a cost-effective and maintenance-free solution by using self-lubricating composite bearings that reduce friction and eliminate the need for frequent maintenance, enhancing the operational efficiency and reducing downtime of tracked machines.
Implementation Method 1
self-lubricating composite bearings that reduce friction and eliminate the need for external lubrication
Data Source
AI summary
A bulkhead assembly for a track adjust cylinder of an undercarriage system is provided. The bulkhead assembly includes a bulkhead having an opening to receive the track adjust cylinder. A guide element having a hollow cylindrical configuration is attached to the bulkhead and supports the track adjust cylinder. A seal member is axially aligned with respect to the guide element. The seal member has a diameter smaller than a diameter of the guide element. A set of composite bearings is axially aligned with respect to the seal member.