Mobile Lift Table With Ergonomic Air Docking
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Solution Overview
Problem
Existing lift tables for replacing EV fuel units are inefficient in positioning and installing replacement units due to ergonomic issues with air connections, inconsistent locking mechanisms, limited wheel control, and inability to adjust tilt and position while supporting heavy loads.
Innovation Solution
A mobile lift table with air-powered hydraulic systems, ergonomic air supply docking stations, pneumatic locking assemblies, four lockable swivel castor wheels, and adjustable tilt and shifting mechanisms to facilitate precise positioning and installation of heavy fuel units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional air-powered hydraulic systems are used without ergonomic docking stations, then the lift table can be operated, but the operator must bend over to connect air hoses causing ergonomic issues
Solution Approach 1:
The air supply docking station is pre-installed on the handle assembly before operation begins. This preliminary positioning allows the operator to connect the air hose at a convenient height and location, eliminating the need to bend over during operation. The docking station is prepared in advance with all necessary connections and positioning.
2Reliability
If conventional locking mechanisms are used, then the lift table can be secured, but the locking consistency and reliability are insufficient
Solution Approach 1:
A pneumatic locking assembly is used instead of conventional mechanical locks. The pneumatic system provides consistent and reliable locking action through air pressure actuation. The pneumatic mechanism ensures uniform locking performance across multiple operations and maintains consistent engagement, improving reliability while managing complexity through standardized pneumatic components.
3Ease of operation
If standard wheels are used without lockable swivel functionality, then the lift table can be moved, but wheel control and positioning precision are limited
Solution Approach 1:
The wheels are designed with dynamic capabilities including swiveling and lockable functions. The swivel feature allows the wheels to rotate independently for precise positioning, while the lockable feature enables the wheels to be fixed in place when positioning is complete. This dynamic design provides both mobility and precision control, improving wheel control without requiring overly complex mechanisms.
4Adaptability or versatility
If the lift table cannot adjust tilt and position while supporting heavy loads, then the structure can be simpler, but the ability to position heavy fuel units precisely is lost
Solution Approach 1:
The lift table incorporates dynamic adjustment mechanisms that allow the tabletop to be tilted and repositioned while supporting heavy loads. The scissor lift mechanism provides adjustable height and tilt capabilities, enabling precise positioning of heavy fuel units during installation. The system maintains structural integrity while providing the necessary adaptability for various positioning requirements.
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
Enhances ergonomic operation, ensures consistent locking, improves wheel control, and allows tilt and positional adjustments while supporting heavy loads, thereby streamlining the installation process of EV fuel units.
Implementation Method 1
a hydraulic cylinder assembly actuated by an air powered hydraulic powerpack assembly
Implementation Method 2
air-powered hydraulic systems
Implementation Method 3
a scissor lift assembly interposed between the base member and the tabletop assembly
Implementation Method 4
four lockable swivel castor wheels
Data Source
AI summary
A lift table includes a base member, an air powered hydraulic powerpack assembly mounted to the base member, a tabletop, a lift assembly capable of actuated the tabletop relative to the base member, a handle extending upward from the base member, and an air supply docking station. The lift assembly includes a hydraulic cylinder assembly actuated by the air powered hydraulic powerpack. The handle includes a top portion of the handle elevated above the air-powered hydraulic powerpack. The air supply docking station is fixed to the top portion of the handle and is in fluid communication with the air-powered hydraulic powerpack assembly.


