Position Adjustment Assembly for Agricultural Conveyor
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Solution Overview
Problem
The coordination of movement between inner and outer arms on agricultural conveyors coupled to air carts is difficult and time-consuming, increasing the duration required for loading products into the air cart.
Innovation Solution
A position adjustment assembly that includes an inner arm, an outer arm, and an intermediate link, where a first linear actuator rotates the inner arm and a second linear actuator varies the length of the intermediate link to adjust the lateral position, and a rotation control assembly adjusts the angle between the inner and outer arms to align the downspout with different tank openings, allowing for precise alignment with a single actuator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If independent actuating cylinders are used for inner and outer arms, then the conveyor can be positioned, but the coordination of movement becomes difficult and time-consuming
Solution Approach 1:
The patent combines the control of inner and outer arm positioning into a single integrated actuating cylinder system. The cylinder simultaneously controls both arms through a unified mechanical linkage, eliminating the need for separate independent actuators and their complex coordination requirements.
Solution Approach 2:
The patent introduces an intermediate linkage mechanism that acts as a mediator between the single actuating cylinder and the inner/outer arms. This intermediary mechanism automatically coordinates the movement of both arms as the cylinder extends or retracts, translating single-input motion into coordinated dual-arm positioning.
2Ease of operation
If a single actuating cylinder with linkage assembly is used, then operation becomes more intuitive, but precise alignment between air cart and transport vehicle is required
Solution Approach 1:
The patent employs adjustable linkage parameters within the intermediate assembly that allow the system to compensate for variations in alignment between the air cart and transport vehicle. The linkage geometry can be modified to adapt to different positioning scenarios, reducing the stringency of initial alignment requirements.
3Ease of operation
If independent actuating cylinders are used for inner and outer arms, then positioning is achievable, but device complexity increases
Solution Approach 1:
The patent merges multiple independent actuating cylinders into a single actuator system. This consolidation reduces the total number of hydraulic components, control valves, and feedback sensors required, thereby simplifying the overall device architecture while maintaining full positioning capability.
Solution Approach 2:
The single actuating cylinder performs multiple functions simultaneously: it controls both the inner arm and outer arm positioning, and the intermediate linkage provides additional functions such as maintaining hopper alignment and facilitating transport vehicle coupling, reducing the need for separate dedicated mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces the time required to load products into the air cart by simplifying the alignment process and ensuring accurate positioning of the conveyor with respect to the air cart's storage compartments, facilitating efficient product delivery.
Implementation Method 1
a first linear actuator to rotate an inner arm relative to the air cart and a second linear actuator to vary a length of the intermediate link
Implementation Method 2
a rotation control assembly adjusting the angle between the inner arm and an outer arm
Data Source
AI summary
A position adjustment assembly for an agricultural product conveyor, which delivers a product to a storage system, such as an air cart, includes an inner arm having a first end rotatably coupled to the air cart and a second end. An outer arm has a first end and a second end. The second end of the inner arm is rotatably coupled to the outer arm proximate to the first end of the outer arm. An intermediate link has a lateral positioning assembly to vary the length of the intermediate link.