Seed Tube Mounting Bracket for Seeder Furrow Control
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Solution Overview
Problem
Conventional seed tube mounting assemblies in agricultural seeders face issues with seed ricochet, tube blockages, and difficulty in maintenance due to complex configurations and orientations that affect seed placement precision and efficiency in no-till seeding methods.
Innovation Solution
A seed tube mounting assembly with a two-part bracket system that securely attaches the seed tube to the opener subframe, allowing for a nearly vertical orientation and easy removal, using a key ring mechanism for secure locking and minimizing frictional contact, thereby stabilizing the seed trajectory and preventing blockages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the seed tube is mounted in a complex configuration to control seed trajectory, then seed placement precision is improved, but device complexity increases and maintenance becomes difficult
Solution Approach 1:
The mounting assembly is divided into two separate parts: a first part attached to the opener subframe and a second part attached to the seed tube. These parts connect through a simple pin and slot mechanism, allowing the seed tube to be easily removed and replaced without affecting the opener subframe. This segmentation reduces maintenance complexity while maintaining precise seed placement control through the bracket's geometric configuration.
Solution Approach 2:
The bracket acts as an intermediary component between the opener subframe and the seed tube, providing a simple yet effective mounting solution. The bracket's channel structure and slot openings allow for precise positioning of the seed tube while enabling easy removal through the pin connection, thus reducing overall device complexity without compromising seed placement precision.
2Object-generated harmful factors
If the seed tube is oriented at an angle to control seed trajectory, then seed ricochet is reduced, but the tube becomes more vulnerable to blockages and maintenance issues
Solution Approach 1:
The mounting bracket allows the seed tube to be oriented at specific angles relative to the furrow direction, enabling dynamic adjustment of seed trajectory to prevent ricochet. The pin and slot connection provides flexibility in positioning the tube at optimal angles while maintaining secure attachment, allowing operators to adjust the tube orientation based on field conditions to balance ricochet prevention with blockage resistance.
3Stability of the object's composition
If the seed tube is securely fixed to prevent movement, then seed placement stability is improved, but ease of maintenance and replacement is reduced
Solution Approach 1:
The mounting system is segmented into a first part固定在 the opener subframe and a second part attached to the seed tube, connected by a removable pin through slot openings. This segmentation provides stable fixation during operation while enabling quick removal and replacement of the seed tube without affecting the opener subframe, thus maintaining both stability and ease of maintenance.
Solution Approach 2:
The bracket is pre-configured with channel structures and slot openings that guide the pin connection, allowing for rapid assembly and disassembly. The preliminary design of the mounting interface enables the seed tube to be securely fixed during operation but easily removed for maintenance, combining stability with ease of repair through thoughtful preliminary configuration.
Data Source
AI summary
An opener assembly for an agricultural seeder has an opener disc attached to an opener subframe. The opener disc is angled to the direction of travel to create a furrow for depositing seeds. A boot is mounted to the opener subframe beside the opener disc for preventing loose soil from falling into the furrow ahead of seed deposited therein. A seed tube is mounted to the opener subframe by a two-part bracket. The bracket includes a first part attached to the opener subframe and a second part fixed to the seed tube. The first part has a channel structure for receiving and partially surrounding the seed tube, and a pair of slots formed in sidewalls of the channel structure. The second part has an L-shaped structure with a portion that mates with the pair of slots. A key ring mechanism is used to lock the first and second parts together.