Pivotable Grain Cart Side Wall Extension Panel
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Solution Overview
Problem
Existing grain carts with side board extensions often exceed the 12-foot width and 13-foot height limits, making them incompatible with standard roadways and requiring special permits, and struggle to accommodate combines with wide grain gathering heads for efficient grain transfer.
Innovation Solution
A grain cart with a pivotally connected elongated right side wall extension panel that can be extended laterally to increase capacity and retracted to maintain width and height constraints, supported by releasable brace assemblies, allowing for wider combines and safe transfer without exceeding width or height limits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If side board extensions are secured to the top of the grain cart container side walls, then grain capacity increases, but overall width exceeds 12 feet and overall height exceeds 13 feet
Solution Approach 1:
The side wall extension panels are made pivotable rather than fixed, allowing them to be extended during grain loading to increase capacity, then retracted during transport to maintain compliance with width and height restrictions. This dynamic configuration resolves the contradiction between grain capacity and transport dimensions.
2Productivity
If the cart is pulled close to the combine, then grain transfer efficiency improves, but the wheels on the grain cart may collide with the combine gathering head
Solution Approach 1:
The extendable side wall panels create additional lateral space between the grain cart and combine during operation, allowing the cart to be positioned closer for efficient grain transfer while preventing wheel collision with the combine gathering head through the extended panel barrier.
3Manufacturing precision
If the grain transfer auger on the combine is made longer to reach further into the container, then load distribution improves, but the auger cannot accommodate combines with wide crop gathering heads
Solution Approach 1:
Instead of extending the auger length horizontally, the side wall panels are extended vertically and laterally to create additional receiving space, allowing proper load distribution without requiring a longer auger that would conflict with wide crop gathering heads.
Data Source
AI summary
A grain cart includes a wheel supported frame supporting a container having front and rear walls connected by an inclined left side wall and an inclined right side wall. An auger conveyor has a lower section having an inlet to receive grain from the container and an upper section pivotable between a storage position adjacent the container and an extended discharge position projecting laterally outwardly from the cart. A side wall extension panel is pivotally connected to the inclined right side wall of the container and is movable from a retracted position projecting above the right side wall and an inclined extended position projecting laterally outwardly from the right side wall beyond a right support wheel. A set of inclined brace members are pivotally connected to the extension panel and are adjustably connected to a corresponding set of horizontal tie members rigidly connecting the side walls of the container.