Agricultural Motor Vehicle Pantographic Level-Compensating System
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Solution Overview
Problem
Existing agricultural motor vehicles are complex and not viable for small and medium-sized producers, and lack a system to maintain the center of gravity on sloped terrains, leading to instability and safety concerns.
Innovation Solution
A compact agricultural motor vehicle with a pantographic level-compensating system for its wheels, allowing independent height adjustments to maintain horizontal stability and a retractable side unloading belt for efficient grain transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a compact structure is used to simplify the vehicle for small and medium-sized producers, then device complexity is reduced, but stability on sloped terrains deteriorates without a level-compensating system
Solution Approach 1:
The vehicle is divided into modular functional units: a compact chassis, interchangeable implements, and a level-compensating system. This segmentation allows the vehicle to maintain simplicity while adding stability functionality through independent modular components that can be adapted without redesigning the entire system.
Solution Approach 2:
The level-compensating system dynamically adjusts the height parameters of wheel assemblies relative to the chassis based on terrain slope detection. By changing the positional parameters of support elements in real-time, the system maintains center of gravity stability without increasing the overall structural complexity of the vehicle.
2Stability of the object's composition
If a level-compensating system is added to maintain stability on sloped terrains, then stability is improved, but device complexity increases
Solution Approach 1:
The wheel assemblies serve multiple functions: they provide propulsion, support the chassis, and act as active elements of the level-compensating system. By making the wheels multi-functional, the system achieves stability control without adding separate dedicated complexity for each function.
Solution Approach 2:
The level-compensating system uses sensors to detect terrain slope and automatically adjusts wheel positions to maintain horizontal stability. This self-regulating mechanism eliminates the need for complex manual control systems or additional active stabilization components, reducing overall system complexity while maintaining stability.
3Productivity
If a retractable side unloading belt is implemented for efficient grain transfer, then productivity is improved, but device complexity increases
Solution Approach 1:
The unloading belt transitions from a static structure to a dynamic, retractable mechanism that can extend and retract based on operational needs. This dynamic design allows the belt to achieve efficient grain transfer when extended while minimizing structural complexity and space occupation when retracted, providing productivity enhancement without permanent complexity increase.
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
The vehicle remains stable on sloped terrains, enhancing safety and operational efficiency, and the compact design with efficient unloading system makes it suitable for various producers, including small and medium-sized ones.
Implementation Method 1
both wheels combined to a pantographic level compensating support system... the activators activate the pantographic parts, so that the chassis of the machine can be moved upwards and downwards
Implementation Method 2
This system is controlled by hydraulic activators guided by the operator. Therefore, the activators activate the pantographic parts
Implementation Method 3
a small belt which, combined with the other side retractable belt, allows the load to be quickly and efficiently transferred
Data Source
AI summary
An agricultural motor vehicle able to connect to a variety of agricultural implements, and comprising a structural set having four parts: a lower chassis, an intermediate structure, a front complementary structure, and a rear complementary structure. The set is supported over a set of front traction wheels and a set of smaller rear wheels and also houses a vibrating sieve, above which is located a beating cylinder, the front edge of which connects to a concentrating guiding roller and a hinged inlet nozzle, as well as a cockpit and a grain dumper located over the set. Preceding the grain dumper is a clean grain collection gutter, a motor power set, a suction cleaning set, a clean grain elevator and lastly, a retractable side belt, whose lower edge is hinged at its midpoint and located on the upper edge of the intermediate structure.