Carrier Platform Multi-Tier Assembly Connection
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Solution Overview
Problem
Existing flatbed trolleys have insufficient placement surfaces and restricted connectivity when combined, making it difficult to form a large, flexible, and stable load-carrying platform, and the grip holes cannot function as a handle for easy transportation.
Innovation Solution
A carrier design featuring a load-carrying platform with a plate-like shape, caster mounting portions, a handle extending outward with an engaged portion, and an engaging portion that projects downward, allowing for unrestricted connection in multiple directions and forming a multi-tier assembly using pillar members and casters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a single flatbed trolley is used, then the structure is simple, but the placement surface area is insufficient
Solution Approach 1:
Multiple flatbed trolleys are connected together through engagement between the engaging portion on one trolley and the engaged portion on another, merging them into a unified structure that provides a larger placement surface area while maintaining individual trolley simplicity
Solution Approach 2:
The handle serves multiple functions: it acts as a gripping handle for manual operation and simultaneously provides an engaged portion for connecting multiple trolleys together, eliminating the need for separate connection mechanisms
2Area of stationary object
If flatbed trolleys are connected to expand placement surface, then the area increases, but the connection direction is restricted
Solution Approach 1:
The engaging portion and engaged portion are designed with asymmetric geometries that allow engagement from multiple directions, enabling trolleys to be connected not only in parallel but also in series and in various orientations, greatly enhancing connection flexibility
Solution Approach 2:
The connection mechanism allows dynamic reconfiguration of trolley arrangements, enabling users to change the number and arrangement of connected trolleys based on load requirements, transitioning between single trolley, two-trolley, and multi-trolley configurations
3Ease of operation
If grip holes are provided for carrying the placement base, then carrying is easier, but loads may be dropped through the holes
Solution Approach 1:
The carrying function is extracted from the grip holes and transferred to the handle, which provides a secure gripping surface that prevents load dropout while maintaining ease of carrying operation
Data Source
AI summary
Provided is a carrier including a handle and a load-carrying platform, which enables construction of a multi-tier assembly. A carrier includes caster mounting portions formed on a lower surface of a load-carrying platform, a handle that extends outward from a first side edge portion of the load-carrying platform and has an upper surface with an engaged portion being one of a recess and a through hole, and an engaging portion that projects downward from a lower surface of a second side edge portion opposed to the first side edge portion and is engageable with the engaged portion. Connection of a plurality of carriers achieves an integral and flat placement surface composed of placement surfaces, each being the upper surface of the load-carrying platform of the carrier.