External Bearing System with Movable Plates for Conveyor Isolation
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Solution Overview
Problem
Conventional conveyor systems face challenges in isolating bearing apparatuses from abrasive or oxidative materials, leading to premature failure and inefficiency due to stretching conveyor belts, which compromise the tension and lifespan of the belt.
Innovation Solution
An external bearing system with a base plate and moveable plates that cover the elongated opening, allowing the shaft to move relative to the housing while preventing material from reaching the bearing apparatus, thus maintaining isolation and enabling tension adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the bearing apparatus is exposed to abrasive or oxidative materials in the conveyor system, then the system allows material transport functionality, but the bearing apparatus suffers premature failure due to material damage
Solution Approach 1:
The system divides the housing structure into segmented sections with movable plates that can independently adjust to cover openings. This segmentation allows the bearing apparatus to be isolated from harmful materials while maintaining system functionality for material transport.
Solution Approach 2:
Movable plates serve as intermediary elements between the bearing apparatus and the harmful materials. These plates can be positioned to block material access to the bearing opening while still allowing the shaft to move for tension adjustment, thus protecting the bearing from direct material exposure.
2Ease of operation
If the shaft is fixed in position to maintain bearing stability, then the bearing apparatus remains stable, but the conveyor belt cannot be tensioned or adjusted
Solution Approach 1:
The system transitions from a static shaft position to a dynamic configuration where the shaft can move along the elongated opening. The movable plates dynamically adjust to cover the opening during movement, enabling both shaft adjustment for belt tensioning and maintaining bearing protection throughout the adjustment process.
Solution Approach 2:
The movable plates are nested within the housing structure and can slide to cover the elongated opening. This nesting arrangement allows the shaft to move within the constrained space while the plates provide continuous coverage, enabling tension adjustment without compromising bearing isolation.
3Reliability
If the bearing apparatus is fully enclosed to prevent material access, then the bearing is protected from damage, but the shaft cannot move for tension adjustment
Solution Approach 1:
The elongated opening is pre-configured in the housing to accommodate shaft movement. The movable plates are positioned to cover this opening, and the entire arrangement is designed in advance to allow shaft adjustment while maintaining bearing protection, eliminating the need to compromise either function.
Data Source
AI summary
An example external bearing system includes a base plate that, for example, is configured to be attached to or form part of a housing (e.g., the housing of a conveyor system). The base plate includes a front surface and a back surface. The base plate also defines a base elongated opening. The external bearing system further includes a bearing apparatus positioned adjacent to and attached (e.g., indirectly attached) to the base plate. The bearing apparatus is configured to have a shaft rotatably attached thereto. The bearing apparatus is configured to move along the elongated opening. The external bearing system further includes a plurality of moveable plates covering or configured to cover substantially all of the base elongated opening that is not occupied by the shaft regardless of a position of the bearing apparatus relative to the base elongated opening. One or more of the moveable plates are configured to move relative to the base plate as the bearing apparatus moves relative to the base plate.