Magnetic Screening Panel Coupling for Fast Deck Replacement
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Solution Overview
Problem
Existing releasable coupling elements for screening panels in vibrational material screening apparatus are difficult to install and remove, particularly in confined spaces, due to their design which often relies on manual hammering and interference fits, leading to physical strain and potential safety hazards during replacement of worn panels.
Innovation Solution
A magnetic releasable coupling element with a protuberance that uses magnetic attraction to secure the screening panel to a ferrous-based support structure, allowing for easy disengagement and removal of worn panels by overcoming magnetic forces, while preventing lateral movement to ensure secure attachment during operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If manual hammering and interference fit coupling elements are used to secure screening panels, then secure attachment during operation is achieved, but installation and removal become difficult and dangerous in confined spaces
Solution Approach 1:
The patent replaces the traditional mechanical hammering and interference fit system with a magnetic coupling system. The magnetic coupling element uses magnetic attraction forces to securely attach the screening panel to the support structure during operation, while allowing easy removal by overcoming the magnetic force, thus eliminating the need for manual hammering in confined spaces.
Solution Approach 2:
The patent changes the physical state or property used for attachment from mechanical interference fit to magnetic attraction. By utilizing magnetic field strength as the attachment mechanism, the system achieves both strong operational holding and easy release by simply pulling the panel away, transforming the attachment parameter from mechanical force to magnetic force.
2Productivity
If releasable coupling elements are designed for easy removal, then panel replacement efficiency improves, but secure attachment during vibrational operation may be compromised
Solution Approach 1:
The magnetic coupling system replaces mechanical fastening systems that require complex tools and procedures for removal. The magnetic field provides consistent holding force during vibration while allowing simple pull-off removal, improving productivity without compromising reliability during operational conditions.
3Strength
If traditional securing pins are hammered into position, then secure mechanical engagement is achieved, but physical strain and safety hazards increase for installers
Solution Approach 1:
The magnetic coupling element eliminates the need for hammering by using magnetic attraction to secure the panel. The installer simply places the coupling element into position where it is automatically held by magnetic force, removing the harmful physical strain and safety hazards associated with manual hammering while maintaining strong mechanical engagement during operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates easier and safer installation and removal of screening panels, reducing physical strain on installers and allowing for efficient replacement of worn panels without damaging the coupling elements, which can be reused with new panels.
Implementation Method 1
having a first part with a magnetic first upper zone, whereby said magnetic first upper zone is, in use, releasably held to a first engagement part being or containing a ferrous based part, of said screening panel member, by magnetic attraction
Implementation Method 2
said releasable coupling element having a protuberance with an axial direction depending downwardly from said first part, said protuberance being co-operable, in use, with said support member to mechanically prevent movement of the releasable coupling element relative to said support member laterally to said axial direction
Data Source
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AI summary
A coupling element (10) for coupling a screening member (12) releasably to a support member (13) in a screening deck (60) used in a material vibrational screening apparatus, the coupling element (10) having a first part (17) with a first zone (18) configured to engage with the screening member (12) with magnetic attraction forces acting to releasably hold the screening member (12) to the coupling element (10), the first part (17) having an oppositely facing second zone (19) configured to engage with the support member (13) with magnetic attraction forces releasably holding the coupling element (10) to the support member (13), the coupling element (10) further having a second part (21, 41) connected to and extending axially downwardly from the first part (17) to engage with the support member (13) to prevent relative movement laterally to the axial direction but not inhibit relative moment in the axial direction.