Pneumatic Row Treating Unit for Planter Soil Compaction Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing soil trench closing mechanisms in agriculture machinery face challenges in controlling the depth and pressure of closing wheels and packing wheels, leading to issues such as seed interference, uneven soil compaction, and air pockets, which affect seed spacing and plant growth.
Innovation Solution
A row implement unit with adjustable closing wheels and a pneumatic control system for both down-force and lift, allowing precise control of soil penetration and compaction, including a debris deflector and follower angle adjustment, to optimize soil preparation for planting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If closing wheels are used to crush and crumble trench walls, then soil trench closure is improved, but seeds may be interfered with or thrown from the trench
Solution Approach 1:
The closing mechanism is divided into two separate functional assemblies: closing wheels for crushing trench walls and packing wheels for firming soil. This segmentation allows each component to perform its specific function optimally without interfering with seeds, as the closing wheels operate at the trench walls while packing wheels work on the soil surface above seeds.
Solution Approach 2:
The patent implements independent adjustable down-force mechanisms for both closing wheels and packing wheels, allowing dynamic control of each component's pressure application. This enables the closing wheels to apply sufficient force for effective trench closure while the packing wheels independently control soil compaction pressure to avoid seed disturbance.
2Reliability
If packing wheels apply sufficient pressure to firm soil, then soil compaction is improved, but seeds may be damaged or spacing becomes uneven
Solution Approach 1:
By separating the closing and packing functions into independent assemblies with independent down-force adjustment, the system can apply appropriate pressure to each function. The packing wheels can firm the soil surface effectively while the closing wheels independently control their pressure to prevent seed damage, maintaining uniform seed spacing.
Solution Approach 2:
The patent allows independent adjustment of down-force parameters for both closing and packing wheels. This enables optimization of pressure parameters for each function: sufficient pressure for effective soil firming by packing wheels, and controlled pressure to avoid seed damage by closing wheels, thereby maintaining precise seed spacing.
3Reliability
If closing wheels penetrate deep into soil, then trench closure is effective, but seeds at the bottom of the trench are interfered with
Solution Approach 1:
The division into separate closing and packing assemblies with independent down-force control allows the closing wheels to penetrate deep enough for effective trench closure while the packing wheels independently control their depth and pressure to firm soil above seeds without interfering with seed placement.
Solution Approach 2:
Independent adjustable down-force mechanisms enable dynamic control of penetration depth for each assembly. The closing wheels can be adjusted to penetrate to the required depth for effective closure, while the packing wheels independently control their penetration to firm soil at the appropriate depth above the seed line, preventing seed interference.
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 solution enables precise control over soil trench closure and compaction, reducing seed interference and ensuring optimal soil conditions for seed germination and growth by adjusting the depth and pressure of closing and packing wheels independently.
Implementation Method 1
The closing wheel assembly includes a pneumatic operator that operates to apply down-force to the closing wheels
Implementation Method 2
The closing wheel assembly includes a pneumatic operator that operates to apply lift force to the closing wheels
Implementation Method 3
The packing wheel assembly includes a pneumatic operator that operates to apply down-force to the packing wheel
Implementation Method 4
The packing wheel assembly includes a pneumatic operator that operates to apply lift force to the packing wheel
Data Source
AI summary
This disclosure is directed to the field of agricultural machinery and relates to implements generally used in combination with a multi-row soil trench closing mechanism. Specifically, the disclosure relates to row treating units adapted to be attached to and following a multi-row planter and incorporating a combination of tools that includes a seed trench closing wheel assembly and a firming/packing wheel assembly. The deployment of and down force exerted by the packing wheel is independently adjustable and controlled using pneumatic air bag operators and the soil penetration of the trench closing wheels is limited.