C-Shaped Dust Protector for Weighing Bar Assembly
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Solution Overview
Problem
Weighing bar assemblies lack effective protection against residue and debris accumulation, particularly at their longitudinal ends, which complicates maintenance and cleaning, especially in harsh weather conditions.
Innovation Solution
A dust protector with a C-shaped profile, comprising three rectangular plates and three outer flaps, is integrated at the longitudinal ends of the weighing bar assembly to prevent residue accumulation, featuring a design that is easy to manufacture, mount, and maintain, facilitating cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If weighing bar assembly is used in open field exposed to bad weather conditions, then it must support heavy loads and maintain structural integrity, but residues and debris accumulate on support portions making maintenance and cleaning difficult
Solution Approach 1:
The dust protector is divided into multiple functional segments: a body portion that covers the support area, sidewalls that direct debris, and a skirt portion that prevents residue accumulation. This segmentation allows each component to perform its specific function while maintaining overall structural integrity and ease of cleaning.
Solution Approach 2:
The dust protector extracts and isolates the debris collection function from the main weighing bar assembly. By providing a dedicated structure that captures and contains residues and debris separately, it prevents contamination of the support portions while maintaining the load-bearing capacity of the main structure.
2Ease of repair
If dust protector is added to weighing bar assembly, then residue accumulation is reduced and maintenance is facilitated, but device complexity increases
Solution Approach 1:
The dust protector utilizes a skirt portion that acts as a flexible barrier to prevent residue accumulation. This thin film-like structure effectively seals the lower portion without requiring complex mechanical components, maintaining simplicity while achieving the dust protection function.
Solution Approach 2:
The dust protector extends the protection into the vertical dimension by incorporating a skirt portion that hangs down from the body. This dimensional extension prevents debris accumulation from below without adding horizontal complexity to the assembly structure.
3Ease of repair
If dust protector with C-shaped profile is used, then debris is directed to outer flaps for easy removal, but manufacturing precision requirements increase
Solution Approach 1:
The dust protector employs an asymmetric C-shaped profile with strategically positioned sidewalls at different heights and angles. This asymmetric design naturally guides debris toward the outer flaps where it can be easily removed, while the manufacturing tolerances remain within standard ranges for such structural components.
Data Source
AI summary
A dust protector for a weighing bar assembly (10), particularly usable under weighing platforms that comprises a structural body (1) defining two longitudinal ends, which comprise the dust protector (20), which, when projected in a top view, defines a C-shaped profile, comprising three plane rectangular plates (22, 23, 24) and three outer flaps (25, 26, 27), each of the flaps (25, 26, 27) extending perpendicularly from each of the plates (22, 23, 24), respectively, the flaps (25, 26, 27) being supported on the same support plane of the profile (21), enabling reduction in the accumulation of residues/debris on support portions of the weighing bar assembly (10), being easy to manufacture, mount and maintain, facilitating the cleaning of the assembly (10).