Variable Width Chain Bar Profile for Snow Groomer Load Distribution
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Solution Overview
Problem
Existing chain stay arrangements in snow groomers lack improved functionality and durability, as they are not optimized to handle varying loads effectively, leading to inefficiencies and potential component failures.
Innovation Solution
A chain bar profile with a varying cross-section width along its length, where the width is increased in central areas to accommodate higher loads and reduced at ends, integrated with a one-piece track bracket, made from aluminum, steel, or fiber composite materials, optimizing load distribution and reducing component count.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the chain bar profile has a uniform cross-section width, then the manufacturing process is simpler, but the load-bearing capacity is insufficient under varying loads
Solution Approach 1:
The chain bar profile employs a variable cross-section design where the width changes along the length to match the load distribution. The central area has increased width to handle higher loads from track bracket connections, while end areas have reduced width where loads are lower. This local adaptation of geometric properties optimizes strength where needed without unnecessarily increasing manufacturing complexity throughout the entire component.
2Ease of operation
If the track bracket and chain bar profile are separate components, then assembly flexibility is improved, but the number of components and assembly steps increases
Solution Approach 1:
The track bracket is integrated directly into the chain bar profile as a monolithic component. The variable cross-section design incorporates the track bracket mounting area as an extension of the main bar profile, eliminating the need for separate track bracket components and their associated screw connections. This merging reduces the total component count and simplifies assembly while maintaining the necessary structural functionality.
3Strength
If the chain bar profile width is increased throughout, then the load-bearing capacity is improved, but the weight increases
Solution Approach 1:
Instead of uniformly increasing the chain bar profile width, the design applies localized width increases only in the central area where the track brackets connect and where loads are highest. The end portions of the chain bar maintain reduced width corresponding to lower load zones. This selective reinforcement approach achieves the necessary load-bearing capacity while minimizing unnecessary material usage and weight.
Data Source
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AI summary
1. Track Link Arrangement and Method for Manufacturing a Track Link Profile 2.1 A track link arrangement of a snow groomer track with a track link profile and with a guide bar provided on the track link profile in the area of one bottom side of the track link profile is known. 2.2 According to the invention, the track link profile is provided with a cross-section that changes in width along its length. 2.3. Use for snow groomers for snow surface preparation