Collapsible Maintenance Cart for Compact Wall and Ceiling Access
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Solution Overview
Problem
Existing construction/maintenance carts are bulky and difficult to access and store, especially in areas like walls and ceilings, posing a risk of exposure to hazardous airborne contaminants and disrupting regular activities.
Innovation Solution
A collapsible maintenance cart with a lower and upper structure that can transition between a stowed configuration for compact storage and a working configuration for access, featuring adjustable height and modular components for customizable workspace, including air filtration to contain contaminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing construction/maintenance carts are used, then access to wall and ceiling areas is provided, but the carts are bulky and difficult to access and store
Solution Approach 1:
The maintenance cart is divided into separate modular components including a base, side panels, end panels, and an upper structure that can be independently assembled and disassembled. This segmentation allows the cart to be configured for wall and ceiling access while enabling compact storage by detaching and storing individual components separately.
Solution Approach 2:
The cart incorporates movable and adjustable components including an adjustable upper structure that can be positioned at different heights and angles, and movable side panels that can be reconfigured. This dynamic design enables the cart to adapt to different access requirements while maintaining a compact form factor for storage.
2Volume of moving object
If maintenance carts are designed for compact storage, then storage space is reduced, but access to hard-to-reach areas may be compromised
Solution Approach 1:
By separating the cart into modular components, the design achieves compact storage volume while maintaining the capability to assemble a fully functional working platform when needed. The segmented structure allows the cart to be small for storage but expandable for access tasks.
Solution Approach 2:
The cart components are designed to nest within each other when not in use, with the upper structure storing within the base and side panels folding or nesting against the frame. This nesting capability enables the cart to occupy minimal storage space while providing full access functionality when deployed.
3Productivity
If existing carts are used for wall and ceiling access, then maintenance tasks can be performed, but there is risk of exposure to hazardous airborne contaminants
Solution Approach 1:
The cart incorporates an air filtration system as an intermediary barrier between the maintenance worker and hazardous airborne contaminants. The filtration system captures and removes particles from the air, mediating the interaction between the worker and the harmful environment while allowing maintenance tasks to continue.
Solution Approach 2:
The cart creates a controlled local environment through its enclosed structure and integrated air filtration system, effectively removing hazardous airborne contaminants from the working area. This creates a cleaner, safer atmosphere for the worker during maintenance operations on walls and ceilings.
Data Source
AI summary
A collapsible maintenance cart includes a lower structure and an upper structure that are movable between a stowed configuration and a working configuration. In the working configuration, the lower structure and the upper structure together define an interior workspace, and the upper structure is movable relative to the lower structure between a raised position and a lowered position. In the stowed configuration, a height of the collapsible maintenance cart in the stowed configuration is less than a height of the collapsible maintenance cart in the lowered position of the working configuration.