Mobile Aircraft Engine Stand with Precision Rail System
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Solution Overview
Problem
Existing aircraft engine stands lack mobility and do not facilitate easy one-person operation, making the handling and positioning of engines during manufacturing and maintenance inefficient.
Innovation Solution
A mobile engine lift stand with vertically mounted jack screws, precision rail system, quick-change lifting arms, and electrical control panel, along with lockable casters, enabling precise movement and assembly of engines, allowing for one-person operation and improved mobility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional engine stands are used, then engine handling is possible, but mobility is poor and one-person operation is not enabled
Solution Approach 1:
The engine stand is divided into functional modules: frame with casters for mobility, vertical jack screws for height adjustment, precision rail system for positioning, and quick-change lifting arms for engine attachment. Each module independently contributes to the overall functionality, enabling one-person operation while maintaining manageable complexity through modular design
Solution Approach 2:
The stand incorporates dynamic elements including lockable casters that can be engaged or disengaged for mobility, electrically driven jack screws with variable speed control for height adjustment, and quick-change lifting arms that can be rapidly attached or detached. These dynamic features enable the stand to adapt to different operational requirements without increasing permanent complexity
2Manufacturing precision
If engine positioning precision is improved, then manufacturing accuracy increases, but handling time increases
Solution Approach 1:
Manual positioning operations are replaced with electrically driven jack screws that provide motorized height adjustment with fine precision control at variable speeds. The precision rail system with linear motion guidance replaces manual positioning methods, achieving accurate engine placement while reducing handling time through controlled automated movement
Solution Approach 2:
The jack screws operate at variable speeds, allowing rapid movement during positioning and fine adjustments during final placement. The system changes operational parameters (speed, position) dynamically to balance precision requirements with time efficiency, achieving accurate engine positioning without excessive handling time
3Productivity
If engine lifting and moving capability is enhanced, then handling efficiency improves, but device complexity increases
Solution Approach 1:
The lifting and positioning functions are merged into an integrated system where the jack screws provide both vertical lifting and height adjustment, while the precision rail system handles horizontal positioning. The quick-change lifting arms combine engine attachment and lifting capabilities. This merging of functions improves handling efficiency while avoiding the complexity of separate independent systems
Solution Approach 2:
The jack screws serve multiple functions: lifting the engine, adjusting height, and maintaining position. The precision rail system provides both movement guidance and positioning accuracy. The quick-change arms enable both engine attachment and lifting operations. This multi-functionality increases productivity without proportionally 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
The mobile engine lift stand enhances the efficiency of engine handling by enabling precise positioning and movement, reducing the need for manual handling and allowing single-person operation, thereby improving the manufacturing and maintenance processes.
Implementation Method 1
a pair of vertical jack screws vertically mounted on the frame and coupled together to provide fine precision control in a vertical direction under a load at any speed
Implementation Method 2
a plurality of lockable casters are attached to the frame configured to allow for easy swiveling
Data Source
AI summary
This mobile, aircraft engine stand provides mobility and ease of operation by one person. The stand includes a frame, a pair of vertical jack screws vertically mounted on the frame and a precision rail system configured to allow for stable and efficient linear motion. A pair of quick change, engine lifting arms are attached to the pair of vertical jack screws; and an electrical control and control panel make unloading, transporting, assembling and moving an engine a one person operation. A plurality of casters allows for easy swiveling of the stand.