Track Shoe Pad Insert Element Structure for Caterpillar Vehicles
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Solution Overview
Problem
The existing track shoe pad assemblies for caterpillar vehicles require frequent replacement of rubber pads due to abrasion, leading to high maintenance and manufacturing costs, as well as the need for multiple sizes of rubber pads to accommodate different screw members, increasing production complexity.
Innovation Solution
A detachable insert element structure for track rubber pads, featuring a rubber pad with projections and cavities, and metal insert elements with holes and fasteners that include abutting, opening, and threaded portions, allowing for secure attachment to a track shoe plate without requiring the entire assembly to be replaced, and enabling compatibility with various screw member specifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire track shoe pad assembly is replaced when the rubber pad wears out, then the assembly maintains its protective and shock absorption functions, but the replacement cost and manufacturing complexity increase significantly
Solution Approach 1:
The track shoe pad assembly is divided into separable components: the track shoe plate, the rubber pad, and the insert element. The rubber pad is detachably connected to the track shoe plate via the insert element, allowing the rubber pad to be replaced independently without replacing the entire assembly. This segmentation enables cost-effective maintenance by replacing only the worn rubber pad while retaining the durable track shoe plate and insert element.
2Adaptability or versatility
If multiple sizes of rubber pads are manufactured to accommodate different screw members, then the assembly can fit various track chain configurations, but the manufacturing complexity and inventory requirements increase
Solution Approach 1:
The insert element is designed as a universal component with a standardized structure that can accommodate different screw member specifications. The insert element includes a body portion with a through hole and a fastening portion that can secure various sizes of screw members. This universal design allows a single insert element type to work with multiple rubber pad sizes and different screw member specifications, eliminating the need to manufacture multiple specialized insert element variants.
3Ease of repair
If the rubber pad is made detachable to allow individual replacement, then replacement costs decrease, but the connection structure between the rubber pad and track shoe plate becomes more complex
Solution Approach 1:
The insert element is embedded within the rubber pad, with the rubber pad formed to surround and secure the insert element. The insert element extends through the rubber pad and connects to the track shoe plate, creating a nested structure where the insert element is housed within the rubber pad. This nesting approach provides a secure detachable connection while maintaining a compact and relatively simple overall structure, as the fastening portion of the insert element integrates the connection function without requiring additional separate components.
Data Source
AI summary
An insert element structure of a track rubber pad, which is connected to a track shoe plate of a caterpillar vehicle by at least one screw member, the insert element structure of the track rubber pad includes a rubber pad, at least one insert element, and at least two fasteners. The rubber pad is detachably connected to the track shoe plate. Each of two ends of the at least one insert element includes at least one hole, wherein the at least one insert element is cladded in the at least one projection of the rubber pad. Each of the at least two fasteners is passed through and disposed in each of the holes of the at least one insert element, wherein each of the at least two fasteners includes an abutting portion, an opening portion and a threaded portion.