Foldable Grain Cart Chassis for High-Capacity Road Transport
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Solution Overview
Problem
Agricultural grain carts face challenges in transportation due to increased dimensions and load capacity, requiring specialized technicians for assembly and necessitating escorts for oversized loads, which increases costs and complicates handling on uneven terrain.
Innovation Solution
A grain cart design with a foldable tank and a chassis featuring flanged coupling for the wheelset and side articulation means, allowing the cart to be transported by decoupling the wheelsets and folding the tank to a maximum width of 3.2 meters, simplifying transportation and enhancing structural stability and manufacturing ease.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the cart capacity is increased to handle large quantities of materials, then the load handling capability is improved, but the cart dimensions increase requiring specialized transport trucks and escorts
Solution Approach 1:
The cart is divided into separable components: the tank can be detached from the chassis, and wheelsets can be removed. This segmentation allows the main body to be transported within standard dimension limits while capacity is maintained through the large tank volume
Solution Approach 2:
The tank incorporates foldable side walls that can be collapsed during transport to reduce overall dimensions, and expanded during operation to provide full capacity. This dynamic transformation allows the same structure to serve both high-capacity operation and compact transport requirements
2Quantity of substance
If the cart dimensions are increased to accommodate large capacity, then the load capacity is improved, but transportation becomes complicated requiring escorts and specific trucks
Solution Approach 1:
The cart is divided into separable components: the tank can be detached from the chassis, and wheelsets can be removed. This segmentation allows the main body to be transported within standard dimension limits while capacity is maintained through the large tank volume
Solution Approach 2:
The tank incorporates foldable side walls that can be collapsed during transport to reduce overall dimensions, and expanded during operation to provide full capacity. This dynamic transformation allows the same structure to serve both high-capacity operation and compact transport requirements
3Strength
If the cart structure is reinforced to support large loads on uneven terrain, then the structural strength is improved, but the manufacturing complexity and cost increase
Solution Approach 1:
The cart is divided into separable components: the tank can be detached from the chassis, and wheelsets can be removed. This segmentation allows the main body to be transported within standard dimension limits while capacity is maintained through the large tank volume
Solution Approach 2:
The tank incorporates foldable side walls that can be collapsed during transport to reduce overall dimensions, and expanded during operation to provide full capacity. This dynamic transformation allows the same structure to serve both high-capacity operation and compact transport requirements
Data Source
AI summary
A grain cart for transporting grain or agricultural inputs, having a foldable tank to make it easier to transport the equipment, especially on highways. The proposed grain cart further comprises a single chassis with supports having a large fastening area linking the chassis to the lower portion of the tank and a simple and coplanar structure formed by two longitudinal tubes shaped at the front end to form the trailer portion. This arrangement, besides making it easy to manufacture and adapt to various rolling systems, allows the structure to operate mainly in a traction mode, avoiding possible structural deformations and critical failures due to flexural stresses.


