Multi-Level Handcart Platforms for Variable-Size Cargo Assembly
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Solution Overview
Problem
Conventional handcarts have a single function and are inadequate for meeting the diverse needs of various working scenarios, particularly in terms of accommodating goods of different sizes and facilitating on-site assembly and handling.
Innovation Solution
A handcart design featuring a frame with an accommodating cavity, stand columns, wheels, a workbench, and adjustable bearing platforms of varying heights, along with rotatable handles and clamping components, enabling flexible handling and transport of goods of different sizes and allowing on-site assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple bearing platforms of different heights are arranged inside the accommodating cavity, then the handcart can accommodate goods of different sizes and facilitate on-site assembly, but the device complexity increases
Solution Approach 1:
The accommodating cavity is segmented into multiple bearing platforms at different heights, allowing goods of different sizes to be placed on different platforms. This segmentation enables the handcart to accommodate various cargo configurations without requiring complete structural redesign.
Solution Approach 2:
The handcart is designed with multi-functional capabilities: the accommodating cavity serves as both storage space and assembly platform, the workbench provides both cargo placement and assembly surface, and the adjustable bearing platforms enable both transport and on-site assembly operations. This multi-functionality reduces the need for separate equipment.
2Adaptability or versatility
If a workbench is arranged on the frame outside the accommodating cavity, then on-site assembly can be performed, but the device complexity increases
Solution Approach 1:
The workbench is merged with the handcart frame structure, forming an integrated assembly platform. This combination allows the handcart to perform both transport and assembly functions using a unified structure, rather than requiring separate assembly equipment.
3Ease of operation
If rotatable handles with adjusting assembly are added, then the handles can be opened or retracted to improve maneuverability, but the device complexity increases
Solution Approach 1:
The handles are designed with rotational movement capability through the adjusting assembly, allowing them to transition between opened and retracted positions. This dynamic adjustment improves maneuverability and storage convenience without requiring complex mechanical systems.
Data Source
AI summary
Disclosed is a handcart, including: a frame, where the frame includes an accommodating cavity for accommodating goods and two stand columns, where the two stand columns are correspondingly arranged and connected to the frame, forming a stand column pair, and the extension direction of the stand column pair is perpendicular to the frame; wheels that are connected to the frame and arranged relative to the frame in a rotatable manner; a workbench that is arranged on the frame, configured for carrying goods, and located outside the accommodating cavity; a plurality of bearing platforms that are arranged inside the accommodating cavity, located on both sides of the stand column pair, parallel to the workbench, and spaced apart from each other, so that each bearing platform is on a unique horizontal plane.