Bushing Assembly Adapter for Precise Insertion and Removal
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Solution Overview
Problem
Existing methods for inserting and removing bushing assemblies, particularly those with bushing pins and elastomeric material, are inefficient and lack effective tools for precise positioning and displacement relative to structural members.
Innovation Solution
An adapter system comprising an extension tube, cylinder adapter, cylinder tube cap, and push/pull adapters is used to displace and position bushing assemblies, utilizing a brace assembly and actuator system for precise insertion and removal, with various configurations for different bushing shapes and sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional pressing methods are used to install bushings, then the bushing can be installed into the housing opening, but the positioning precision and alignment accuracy are insufficient
Solution Approach 1:
The patent introduces a specialized pressing tool as an intermediary device between the traditional pressing method and the bushing assembly. This tool includes positioning features such as ribs that engage with corresponding features on the bushing and housing, ensuring precise alignment during installation. The intermediary tool transfers force uniformly while maintaining positional accuracy, resolving the contradiction between precision and complexity by providing a dedicated installation aid rather than relying on imprecise traditional methods
2Productivity
If worn bushings are removed and replaced, then the rotating shaft can be supported properly, but the installation process is time-consuming and inefficient
Solution Approach 1:
The patent employs preliminary action by pre-assembling the bushing with alignment features and positioning elements before installation. The pressing tool is also prepared in advance with corresponding positioning ribs and engagement features. This pre-preparation allows for rapid installation without requiring complex alignment procedures during the actual replacement process, significantly reducing installation time while maintaining productivity
Solution Approach 2:
The bushing design includes self-aligning features such as built-in positioning ribs and engagement surfaces that automatically guide the bushing into correct alignment during installation. The pressing tool utilizes these self-service features to ensure proper positioning without requiring external alignment equipment or complex adjustment procedures, thereby speeding up the replacement process while maintaining efficiency
3Reliability
If the bushing is pressed rigidly into the housing opening, then the bushing is securely supported, but the risk of misalignment and damage increases
Solution Approach 1:
The pressing tool serves as an intermediary that mediates between the pressing force and the bushing assembly. It includes distributed force application surfaces and positioning ribs that ensure the bushing is pressed uniformly into the housing opening while maintaining correct alignment. This intermediary device prevents misalignment and localized stress concentrations that could cause damage, while still achieving secure rigid support of the bushing in the housing
Solution Approach 2:
The pressing tool incorporates cushioning features such as compliant pressing surfaces and progressive force application mechanisms that prevent sudden impact loads during installation. These beforehand cushioning measures protect the bushing and housing from damage caused by misalignment or excessive force, while still ensuring the bushing is securely installed with reliable support
Data Source
AI summary
An adapter system for a bushing displacing system for displacing at least a portion of a bushing assembly relative to an opening in a structural member, the bushing assembly comprising a bushing housing and a bushing pin, the adapter system comprising an extension tube defining first and second extension tube connecting portions, a cylinder adapter defining a cylinder adapter connecting portion, a cylinder tube cap defining a cylinder tube cap connecting portion, a cylinder tube cap adapter, a pullbar socket, and a push adapter. The first extension tube connecting portion is configured to engage the cylinder adapter connecting portion to detachably attach the cylinder adapter to the extension tube. The second extension tube connecting portion is configured to engage the cylinder tube cap connecting portion to detachably attach the cylinder tube cap adapter to the cylinder tube cap.