Jaw Crusher Liner Handling Tool with Stabilization Bar
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Solution Overview
Problem
Jaw rock crusher liners are heavy and difficult to handle during installation and removal, necessitating a tool to facilitate safe and efficient liner handling.
Innovation Solution
A jaw crusher liner handling tool kit comprising a lifting eye with a radially extending shank and lug, a bar for stabilization, and a retaining clip, along with a closed lifting hook and flexible connecting members, allows for secure lifting and manipulation of liners without additional equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If heavy jaw liners are handled manually, then no additional equipment is needed, but the handling becomes difficult and unsafe
Solution Approach 1:
The patent introduces a specialized lifting tool as an intermediary device between the operator and the heavy jaw liner. The tool features a lifting eye that engages with the liner's lifting eye, allowing the operator to lift the liner through the tool rather than directly manipulating the heavy component, thus resolving the contradiction between ease of operation and weight.
Solution Approach 2:
The lifting tool is segmented into distinct functional components: a handle for operator interaction, a shank for engagement, and a lifting eye for attaching to the liner. This segmentation allows each component to be optimized for its specific function while keeping the overall tool manageable and effective for handling heavy liners.
2Ease of operation
If additional handling equipment is used, then liner handling becomes safer and easier, but device complexity increases
Solution Approach 1:
The lifting tool is designed with multi-functionality, serving both as a lifting device and a manipulation tool for jaw liners. The same tool can be used for various liner sizes and configurations, eliminating the need for multiple specialized equipment and thus reducing overall device complexity while maintaining ease of operation.
Solution Approach 2:
The tool is designed to be self-contained with all necessary features integrated into the single device. The retaining clip and bar configuration allow the tool to securely attach and detach without requiring additional components or complex assembly procedures, making the equipment simple yet effective.
3Reliability
If specialized lifting tools are used, then liner handling becomes safer, but the need for skilled labor increases
Solution Approach 1:
The patent extracts the critical safety function from complex manipulation and isolates it into a simple lifting mechanism. By separating the lifting function into a dedicated component (the lifting eye and shank assembly), the design makes safety inherent in the tool's structure rather than requiring skilled operator intervention, thus improving reliability without increasing operational complexity.
Data Source
AI summary
A jaw crusher liner handling tool includes a lifting eye having a radially extending shank and a radially extending lug, the lug including a hole parallel to the axis of the eye. The shank includes an elongate head on its end that is remote from the eye and is parallel to the axis of the eye.