Shelf Ladder Combination with Sliding Fixing Unit
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Solution Overview
Problem
Conventional shelf ladder combinations occupy significant space, limiting the minimum distance between shelf units and hindering effective storage space utilization in factories.
Innovation Solution
A shelf and ladder combination featuring a frame with support rod units, partition plates, and a ladder unit with slidable fixing units on a crossbar, allowing the ladder to be easily positioned and removed without occupying substantial space, enabling efficient access to high locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional shelf ladder is used to access high locations, then users can place or take objects from high shelves, but the ladder occupies most of the aisle space and limits the minimum distance between shelf units
Solution Approach 1:
The ladder unit is nested within the shelf unit structure. The ladder legs are positioned between the support rod units, and the fixing units are sleeved on the crossbar that is integrated into the shelf frame. This nesting allows the ladder to be stored within the shelf structure when not in use, eliminating the need for separate aisle space.
Solution Approach 2:
The ladder unit and shelf unit are merged into a single integrated structure. The fixing units connect the ladder legs to the crossbar of the shelf unit, creating a combined assembly where the ladder becomes part of the shelf system rather than a separate space-consuming component.
2Area of stationary object
If the ladder unit is integrated into the shelf unit, then space occupation is reduced, but the ladder needs to be easily positionable and removable for effective use
Solution Approach 1:
The fixing units are designed with sliding capability along the crossbar, allowing the ladder unit to be dynamically repositioned horizontally. The switchable members can be opened to release the ladder from fixed positions, enabling easy removal or repositioning when needed, while maintaining a compact integrated appearance when closed.
Solution Approach 2:
The fixing unit is segmented into movable components including the base member, switchable member, and sliding mechanism. This segmentation allows the ladder to be detached from the shelf unit by opening the switchable members and sliding the base member along the crossbar, facilitating easy removal while maintaining space efficiency.
Data Source
AI summary
A shelf and ladder combination includes two support rod units, partition plates connected between the support rod units, a cross bar, two main connecting brackets connecting the cross bar to the support rod units, and a ladder unit. The ladder unit includes two ladder legs, at least one fixing unit, and a plurality of rungs connected between the ladder legs. Each ladder leg has a first end portion adjacent to the crossbar, and a second end portion opposite to the first end portion. The at least one fixing unit is sleeved on the crossbar, is slidable along the crossbar, and is connected to the first end portion of one of the ladder legs.