Solenoid Auxiliary Guide Assembly for Faster Air Cargo Handling
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Solution Overview
Problem
Existing auxiliary guides for air cargo compartments require manual engagement and disengagement, which is inefficient and time-consuming, especially during cargo handling operations.
Innovation Solution
A semi-automatic auxiliary guide assembly featuring a solenoid-actuated mechanism with a rotatable head, armature, and torsion spring, allowing for remote operation and automatic extension/retraction based on magnetic fields generated by an electric current.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual engagement and disengagement of auxiliary guides is used, then device complexity is reduced, but productivity decreases and time consumption increases
Solution Approach 1:
The patent replaces the purely manual mechanical operation with an electromechanical system. A solenoid actuator converts electrical energy to linear motion, which through a linkage mechanism (armature, pivot, head) automates the engagement and disengagement of the guide assembly. This substitution of manual mechanical effort with an electric actuator directly addresses the productivity bottleneck while maintaining controlled complexity through a well-defined actuation mechanism.
Solution Approach 2:
The guide assembly incorporates a spring-loaded head that automatically returns to its engaged position after being actuated by the solenoid. The spring mechanism provides self-service by eliminating the need for a return stroke actuator, allowing the head to automatically reset to its functional position after cargo passage, thereby improving operational efficiency without proportionally increasing system complexity.
2Loss of time
If semi-automatic operation with solenoid actuation is implemented, then time consumption is reduced, but device complexity increases
Solution Approach 1:
The solenoid actuator operates in periodic cycles, energizing briefly to disengage the guide head during cargo loading/unloading operations, then de-energizing to allow automatic spring-driven re-engagement. This periodic actuation pattern minimizes the time the complex electromechanical system is active, reducing overall time loss while keeping the device complexity confined to a simple on/off control mechanism rather than continuous complex control systems.
3Ease of operation
If remote control capability is added, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent introduces a controller as an intermediary device that receives remote commands and actuates the solenoid accordingly. This intermediary layer provides remote operation capability without requiring the solenoid mechanism itself to become more complex. The controller serves as a simple interface that translates remote commands into basic on/off signals for the solenoid, maintaining ease of operation while isolating the actual actuation mechanism from complex control logic.
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 faster and more efficient cargo handling by enabling remote control of guide assembly operations, reducing manual intervention and enhancing operational efficiency.
Implementation Method 1
the solenoid of the auxiliary guide assembly generates a magnetic field in response to receiving the electric current
Implementation Method 2
the magnetic field attracting the armature, causing the armature to disengage with the head
Implementation Method 3
a torsion spring coupled to the hub and configured to raise the head in response to the armature being disengaged from the head
Implementation Method 4
an inner spring disposed between the solenoid and the armature, the inner spring configured to apply a force to maintain the armature in the extended position
Data Source
AI summary
An auxiliary guide assembly may include a hub, a head including a first guiding surface and a first overriding surface, the head rotatably coupled to the hub, a solenoid coupled to the hub and configured to receive an electric current, and an armature magnetically coupled to the solenoid, the armature being configured to engage the head when in the armature is an extended position.