Agricultural Singling Device Pressure Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current agricultural seed drills lack precision in seed and fertilizer application, leading to inefficiencies in distribution and accuracy, which affects yield and cost optimization.
Innovation Solution
An agricultural separating device with a housing comprising a first and second detachable housing element, a rotatable shaft, and a separating element featuring a disc and half-shell element, creating a pressure difference to separate granular materials through recesses, with a cover element to prevent accumulation, and a holding element for precise pressure control and assembly security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If standard singulation devices are used to distribute granular material at different seeding rates and spacings, then the requirement for precision seed drill is improved, but the accuracy of seed and fertilizer application is not optimized
Solution Approach 1:
The housing is divided into a first housing element and a second housing element that can be detachably mounted, allowing the device to be segmented for easier transport, assembly, and maintenance while maintaining precision functionality
Solution Approach 2:
The singling element features a singling disc with recesses that rotate to dynamically pick up and deposit granular material at precise intervals, enabling variable seeding rates and spacings while maintaining application accuracy through controlled rotational movement
2Device complexity
If the second housing element is directly mounted on the first housing element, then the assembly is simplified, but incorrect assembly cannot be prevented
Solution Approach 1:
The holding element features an asymmetric design with a specific orientation that must align with corresponding features on the housing elements, preventing incorrect assembly through geometric constraint while maintaining relatively simple assembly structure
Solution Approach 2:
The holding element acts as an intermediary component between the first and second housing elements, providing both mechanical support for the half-shell element and assembly guidance to prevent incorrect mounting orientations
3Device complexity
If the half-shell element is rotatably mounted directly on the housing, then the structure is simplified, but the pressure difference cannot be precisely controlled
Solution Approach 1:
The mounting structure is segmented into a holding element and the housing elements, allowing the pressure control function to be separated from the simple mounting function and precisely engineered through the holding element's specific geometry and positioning features
Solution Approach 2:
The holding element serves as an intermediary that precisely positions the half-shell element relative to the singling disc, enabling accurate pressure difference control through controlled spacing and alignment while maintaining a relatively simple overall structure
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 device ensures reliable and precise separation and distribution of seeds and fertilizers, enhancing application accuracy and preventing incorrect assembly, thereby optimizing seed drill performance.
Implementation Method 1
A pressure difference can be generated in the interior between the first region and the second region by means of a pressure reservoir, for example a blower
Implementation Method 2
the half-shell element can be frictionally engaged with the separating slide, such that the half-shell element and the separating disc are mechanically coupled to one another in such a way that a relative rotating movement between the half-shell element and the separating disc is prevented or regulated by frictional forces existing therebetween
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The agricultural singling device (5) according to the invention comprises a housing (6) consisting of a first housing element (6a) and a second housing element (6b), a shaft (W) rotatably mounted on the first housing element (6a) which defines an axis of rotation (D), and a singling element (7) which is received in an interior space defined in the housing (6). The singling element (7) comprises a singling disc (7a) rotatably coupled to the shaft (W) and a half-shell element (7b) which abuts the singling disc (7a), and is arranged in the housing (6) such that a first region is defined between the singling disc (7a) and the first housing element (6a) and a second region is defined between the singling disc (7a) and the half-shell element (7b), wherein a pressure difference can be generated between the first and second regions.The singulation disc (7a) has suitable recesses for carrying individual grains, the recesses creating spatial connections between the first and second sections of the housing (6), and the singulation device (5) having a cover element (12) to prevent the pressure differential. Furthermore, the singulation device (5) includes a retaining element (13) for holding the half-shell element (7b), which is rotationally fixed to the housing (6) and on which the half-shell element (7b) is rotatably mounted.