Brush Belt With Variable Bristle Lengths For Seed Placement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing brush belts for seeding machines face challenges in efficiently conveying seeds to the center of the furrow, leading to potential misplacement and slippage, which affects seed distribution and planting accuracy.
Innovation Solution
The brush belt design features bristle clusters with varying lengths and stiffness, arranged in patterns to create specific surface profiles, ensuring seeds are securely held and conveyed to the discharge location with minimal movement, utilizing a combination of bristle lengths and reinforcement members for enhanced seed handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a brush belt with flexible bristles is used to convey seeds, then seeds can be carried to the discharge location, but seeds may slip or roll off the brush belt, reducing placement accuracy
Solution Approach 1:
The brush belt employs bristles of varying lengths (first length and second length, where the second length is greater than the first) arranged in specific patterns. Longer bristles provide enhanced grip in critical areas to prevent seed slippage, while shorter bristles maintain flexibility and conveyance capability, thereby resolving the contradiction between ease of operation and placement accuracy.
Solution Approach 2:
The brush belt is segmented into multiple bristle clusters with different bristle lengths rather than using uniform bristles throughout. This segmentation allows different regions of the brush belt to perform specialized functions - some areas optimized for grip and others for flexible conveyance, simultaneously achieving both operational ease and precision.
2Ease of manufacture
If uniform bristle length is used across the brush belt, then manufacturing is simple, but seed handling effectiveness is reduced due to inability to adapt to different seed sizes and positions
Solution Approach 1:
Instead of uniform bristles, the invention implements local quality variation with bristle clusters having different lengths. This allows the brush belt to adapt to different seed sizes, shapes, and positions, significantly improving seed handling effectiveness while maintaining relatively simple manufacturing processes through modular bristle cluster assembly.
Solution Approach 2:
The brush belt design incorporates dynamic adaptability through variable bristle lengths that can flex and move independently. This dynamic characteristic enables the brush belt to adjust to varying seed conditions during conveyance, enhancing handling effectiveness without requiring complex active control systems.
3Device complexity
If the brush belt uses only short bristles, then the structure is simple and flexible, but seeds are not securely held and may roll off
Solution Approach 1:
The brush belt is divided into segments with different bristle lengths rather than using a single uniform length. This segmentation provides both short bristles for flexibility and longer bristles for secure seed holding, achieving reliable seed securement while maintaining overall structural simplicity through the modular nature of the bristle clusters.
Solution Approach 2:
The brush belt functions as a composite structure combining bristles of different lengths within the same belt assembly. This composite approach allows the system to simultaneously exhibit the flexibility of short bristles and the securement capability of longer bristles, resolving the contradiction between structural simplicity and reliability.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A brush belt (424, 924) is disclosed. The brush belt (424, 924) comprises base member (426, 926) having first side with a traction surface and a second side that is opposite the first side, the first side having a mounting surface (927) having a longitudinal axis (A), a first edge, second edge, and a plurality of projections (980) extending from the mounting surface (927) between the first edge and the second edge, the first edge and second edge of the mounting surface (927) being parallel to the longitudinal axis (A); and a plurality of bristle clusters (958) coupled to the base member (426, 926), each bristle cluster (958) of the plurality of bristle clusters (958) having a plurality of bristles (928) and being positioned between two projections (980).#