Adjustable Dolly with Tilting Skates for Load Adaptability
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Solution Overview
Problem
Existing dollies are inefficient in accommodating loads of varying widths and do not provide stable support, especially when encountering obstacles during movement.
Innovation Solution
A dolly with adjustable rods and skates that allow for varying widths and include features like deflecting regions and tilting capabilities to navigate obstacles, ensuring stable support and efficient movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the dolly uses a fixed-width platform, then the structure is simple, but it cannot accommodate loads of varying widths
Solution Approach 1:
The dolly employs telescoping rods that can extend or retract to adjust the width of the platform dynamically. This allows the same structure to accommodate both narrow and wide loads without requiring multiple fixed platforms, resolving the contradiction between adaptability and structural simplicity.
Solution Approach 2:
The platform width is segmented into adjustable sections using telescoping rods that can be extended or retracted. This segmentation allows the platform to be configured for different widths while using a single unified structure, maintaining simplicity while achieving versatility.
2Ease of operation
If the dolly has a rigid structure, then manufacturing is easier, but it cannot navigate obstacles effectively
Solution Approach 1:
The dolly incorporates tilting mechanisms that allow the platform to rotate relative to the wheel axle, enabling the structure to adapt dynamically to obstacles. This dynamic capability improves obstacle navigation while maintaining a relatively simple rigid framework that is easy to manufacture.
Solution Approach 2:
The dolly changes its operational parameters by allowing the platform to tilt at different angles relative to the horizontal plane. This parameter change enables the same rigid structure to navigate obstacles of varying heights and shapes, improving ease of operation without complicating manufacturing.
3Adaptability or versatility
If the dolly uses fixed-position wheels, then the structure is stable, but it cannot adapt to different ground conditions
Solution Approach 1:
The dolly employs wheels that can rotate independently on the axle rather than being fixed in position. This dynamic wheel configuration allows each wheel to adapt to different ground conditions while maintaining overall structural stability through the connected platform and frame.
Data Source
Figure 1
Figure 2
Figure 3A
AI summary
A dolly includes a first skate, a second skate, and a rod connected to the skates. The first skate is connected to a plurality of wheels and has a receiving region. The second skate is connected to a plurality of wheels and has a receiving region. The second skate includes an outer lateral surface having an aperture. The rod is connected to the first skate and the second skate via the respective receiving regions of the respective skates. The rod is configured to extend through the aperture such that a portion of the rod extends outwardly from the outer lateral surface of the second skate.