Reversible Belt Scraper with Replaceable Elastomeric Blades
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Solution Overview
Problem
Existing belt scraper systems face challenges in durability, maintenance efficiency, and weight management due to the dynamic and abrasive nature of materials being carried on endless conveyor belts, leading to increased wear and potential damage to conveyor system components.
Innovation Solution
A reversible belt scraper apparatus with replaceable blades that span the width of the belt, featuring a central shaft with end mounts and elastomeric bodies with integrated brackets, allowing for easy attachment and reversal, reducing weight and installation complexity by separating the system into a central shaft and two opposed scraper blades.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single scraper blade spans the width of the belt to avoid multiple segments, then the number of installation components is reduced, but the weight of the scraper blade increases significantly
Solution Approach 1:
The scraper system is divided into two separate scraper blades that can be mounted on opposite sides of the belt, each handling its own width portion. This segmentation reduces the weight of individual components while maintaining full belt coverage through the reversible mounting system.
2Reliability
If reversible scraper blades are made heavier to maintain durability, then the scraping effectiveness is improved, but the handling and installation difficulty increases
Solution Approach 1:
By separating the reversible scraper into two lighter blades mounted on a central shaft, the system maintains durability through proper material selection and mounting while reducing handling difficulty. Each blade can be independently managed and replaced.
Solution Approach 2:
The reversible scraper system allows dynamic switching between two scraping surfaces mounted on a central shaft. This enables the use of lighter individual blades that can be quickly swapped or reversed, improving ease of operation while maintaining consistent scraping performance.
3Weight of moving object
If multiple scraper blade sections are used to reduce individual weight, then the handling ease is improved, but the installation time and complexity increase
Solution Approach 1:
The reversible mounting system allows two scraping surfaces to be mounted on a single central shaft structure. This dynamic configuration reduces installation time compared to multiple separate sections while maintaining lightweight individual components through the shared mounting infrastructure.
Data Source
AI summary
A reversible belt scraper has two opposed replaceable scraper blades and a central shaft. Each replaceable scraper blade has a scraping surface and a base opposite to the scraping surface. The body of the scraper blades from the scraping surface to the base is comprised of elastomeric material. The scraper blades have at least one bracket in their bases. In at least one embodiment, the scraper blades have a plurality of brackets in their bases. The brackets in the bases of the scraper blades attach to the central shaft. End mounts at the end of the central shaft provide a means to mount the reversible belt scraper. In at least one embodiment, the brackets in the replaceable scraper blades are formed in a manner to accommodate the other scraper blade and allow both scraper blades to be mounted in a single row of apertures in the central shaft.