Tipcart Hinge and Handle Structure for Wear-Resistant Heavy Towing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tipcarts suffer from wear and tear at connection points due to frequent use, and are inconvenient for towing heavier loads, especially when designed for manual pushing.
Innovation Solution
A tipcart design featuring a high-strength connecting plate, U-shaped wheel brackets, a reinforcing rod forming a triangular support structure, and a rotatable handle with adjustable hand pull ring, along with a hinge mechanism that reduces friction and supports the dump box during dumping, ensuring stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a hinge shaft is used to connect the dump box to the frame, then the connection is simple and easy to manufacture, but the connection point suffers from serious wear and tear after frequent use
Solution Approach 1:
A connecting plate is introduced as an intermediary component between the dump box and the frame. The connecting plate is hinged to the frame via a first pin shaft, and the dump box is hinged to the connecting plate via a second pin shaft. This intermediary structure distributes the wear and stress, preventing direct wear at a single connection point while maintaining manufacturing simplicity.
Solution Approach 2:
The original single connection point is segmented into multiple connection points: the first pin shaft connecting the frame to the connecting plate, and the second pin shaft connecting the dump box to the connecting plate. This segmentation distributes the mechanical stress and wear across multiple locations, improving overall durability.
2Device complexity
If the tipcart is designed for manual pushing, then the structure is simple, but it is inconvenient when heavier cargo is loaded
Solution Approach 1:
The handle assembly is designed with multi-functionality to serve both manual pushing and trailer towing purposes. The handle includes a connecting rod hinged to the frame, an extension rod hinged to the connecting rod, and a hand pull ring connected to the extension rod. This universal design allows the same structure to accommodate both light manual operation and heavy cargo towing without requiring separate mechanisms.
Solution Approach 2:
The handle assembly uses hinged connections (connecting rod hinged to frame, extension rod hinged to connecting rod) that allow dynamic adjustment and flexibility during operation. This dynamic structure adapts to different loading conditions, providing ease of operation whether pushing manually or towing with a trailer carrying heavy cargo.
3Ease of manufacture
If the dump box is made of plastic-like integral molding material, then the manufacturing is simple and cost-effective, but the connection point is not resistant to wear
Solution Approach 1:
The connection structure uses a composite approach where the dump box can be made of plastic-like material for manufacturing simplicity, but the connecting plate and pin shafts use more wear-resistant materials. The connecting plate is hinged to the frame with a first pin shaft, and the dump box is hinged to the connecting plate with a second pin shaft, creating a composite connection system that combines the advantages of different materials.
Data Source
AI summary
A tipcart, comprising a frame, a dump box hinged on the frame, and a first pin shaft for connecting the frame and the dump box, a front wheel bracket and a rear wheel bracket are respectively fixedly connected under a front and rear ends of the frame, both ends of the front wheel bracket and the rear wheel bracket are respectively provided with a front wheel mounting shaft and a rear wheel mounting shaft, and wheels are mounted on both the front wheel mounting shaft and the rear wheel mounting shaft. The first pin shaft is arranged at the rear end of the frame, and the first pin shaft is located between the front wheel mounting shaft and the rear wheel mounting shaft.