Magnetic Coupling for Transport Device Overload Protection
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Solution Overview
Problem
Conventional transport devices pose a risk to operating personnel and equipment due to the potential for accidents during overload situations, such as when a switch hits an obstacle, leading to increased forces that can cause injury or damage.
Innovation Solution
Incorporating a self-repairing magnetic coupling as a reversible predetermined opening point between the switches and conveyor belts, which separates during overload and reassembles when the obstacle is removed, along with a sensor system to monitor and restore functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a switch is used to guide products between conveyor belts, then product flow guidance is achieved, but the risk of injury to operating personnel and damage to equipment increases during overload situations
Solution Approach 1:
The switch is divided into two separable parts connected by a predetermined opening point. During normal operation, the parts are connected and function together. During overload, the connection separates to prevent injury and damage, allowing the switch to guide products safely while mitigating harmful overload effects.
Solution Approach 2:
A magnetic coupling is provided as a predetermined opening point between the two parts of the switch. This magnetic coupling acts as a safety mechanism that beforehand prepares for overload situations by allowing automatic separation when excessive forces occur, preventing injury to personnel and damage to equipment.
2Strength
If the switch is made robust to prevent separation during overload, then equipment durability improves, but the complexity of the device increases
Solution Approach 1:
Instead of making the switch more robust, a magnetic coupling is provided as a predetermined opening point that beforehand prepares for overload situations. This approach maintains switch durability while avoiding increased complexity by using a simple magnetic connection that automatically separates under excessive force.
Solution Approach 2:
The magnetic coupling changes the connection parameter from rigid mechanical bonding to magnetic attraction. This allows the switch to maintain strength during normal operation while automatically reducing connection strength during overload, avoiding the need for complex robust structures.
3Reliability
If a predetermined opening point is introduced to prevent injury, then safety improves, but the loss of operational time increases due to manual repair
Solution Approach 1:
The magnetic coupling serves as a self-repairing predetermined opening point. When overload occurs and the parts separate, they automatically reconnect when the obstacle is removed, eliminating the need for manual intervention and minimizing operational downtime while maintaining safety.
Solution Approach 2:
The magnetic coupling beforehand prepares for the separation event by providing a reversible connection. This allows the switch to safely separate during overload and automatically reconnect afterward, preventing both injury and extended downtime that would result from manual repair.
4Reliability
If the switch is designed to automatically separate during overload, then safety improves, but the device complexity increases
Solution Approach 1:
The magnetic coupling changes the connection parameter from rigid to flexible magnetic attraction. This simple parameter change enables automatic separation during overload without requiring complex mechanical mechanisms, maintaining safety while minimizing device complexity.
Solution Approach 2:
The magnetic coupling replaces complex mechanical separation mechanisms with a simple magnetic field-based connection. This substitution achieves automatic separation during overload through magnetic force changes rather than complex mechanical triggers, improving safety without increasing device complexity.
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
Prevents injuries and equipment damage during overload situations by automatically separating and rejoining the magnetic coupling parts, ensuring continuous operation once the obstacle is cleared, thereby minimizing production loss.
Implementation Method 1
The magnetic coupling preferably has at least one, preferably two, magnets which are separated from one another in the event of an overload
Data Source
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AI summary
The device (1) has a moveable turnout part (4) i.e. seesaw, comprising a drive and directing a flow of products onto lower and upper conveyor belts (2, 3). The turnout part has a preferably reversible predetermined opening point, which is a magnetic coupling. The magnetic coupling comprises two magnets. The turnout part comprises a front section, which is provided moveably preferably pivotably on the turnout part. A sensor detects activation of the predetermined opening point. The predetermined opening point is preferably located between the front section and the turnout part. An independent claim is also included for a method for securing a moveable turnout part.