Pneumatic Lifting Device Dual Mast Rail Segmentation
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Solution Overview
Problem
Existing lifting devices are often heavy, bulky, and difficult to move, with limited range of stroke lengths and platform working heights due to their design, particularly in piston-type systems.
Innovation Solution
A pneumatic lifting device with a base, dual masts, and rails that support a lift platform through movable bearings and inflatable bladders, allowing for compact, lightweight, and adaptable designs with increased stroke lengths and platform heights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If piston-type designs are used, then lifting force is provided, but the operating dimensions severely limit the range of stroke lengths and platform working heights
Solution Approach 1:
The lifting device is divided into multiple segments including a base, multiple masts (first mast, second mast), multiple rails (first rail, second rail, third rail, fourth rail), and multiple pairs of bearings (first pair, second pair, third pair, fourth pair). This segmentation allows each component to contribute to the overall stroke length independently, enabling extended platform working heights while maintaining manageable individual component dimensions.
2Weight of moving object
If scissor-type frame or piston designs are used, then lifting capability is achieved, but the devices are heavy and bulky
Solution Approach 1:
The patent employs pneumatic or hydraulic mechanisms (implied by the operable coupling between the base and platform through the mast-rail-bearing structure) to provide lifting force, replacing traditional heavy piston designs. This allows for a lighter overall device structure while maintaining sufficient lifting capability through fluid pressure application.
3Ease of operation
If traditional lifting device designs are used, then structural stability is maintained, but the devices are difficult to move easily
Solution Approach 1:
The device incorporates dynamic elements including multiple movable bearings that can freely move along the rails, and an operable coupling between the base and platform that allows for controlled movement. This dynamic design enables easy repositioning and adjustment while maintaining structural stability during operation through the rigid mast and rail framework.
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 pneumatic lifting device provides a compact, lightweight solution that easily adapts to various stroke lengths and platform heights, enhancing mobility and usability while maintaining stability and control.
Implementation Method 1
one or more inflatable bladders positioned between the base and the platform. Inflation of the bladders moves the platform along the rails and in a direction away from the base, thereby lifting the platform
Data Source
AI summary
A pneumatic lifting device includes a base, a first mast attached to the base, and a second mast attached to the base opposite the first mast. The first mast has a first rail extending therealong, and the second mast has a second rail extending therealong. A lift platform is operatively coupled to the base. The platform includes a first pair and a second pair of bearings coupled thereto so as to move in conjunction with the lift platform. The first pair of bearings is operatively coupled to the first rail so as to enable the first pair of bearings to move with respect to the first rail. The second pair of bearings is operatively coupled to the second rail so as to enable the second pair of bearings to move with respect to the second rail.