Strip-till Row Apparatus Airbag Depth Control
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Solution Overview
Problem
Existing strip-till row devices lack a mechanism to maintain consistent depth and downward pressure on the tillage assembly, leading to inefficient soil preparation due to uneven ground conditions.
Innovation Solution
A strip-till row apparatus featuring a selectively inflatable airbag that applies downward pressure to the tillage assembly, combined with an adjustment guide member and multiple tillage components such as disks, harrows, and residue management wheels to condition the soil effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing strip-till row devices are used without a downward pressure mechanism, then the device structure remains simple, but the tillage assembly cannot maintain consistent depth on uneven ground
Solution Approach 1:
The patent applies pneumatic principles by using an inflatable airbag to generate downward force on the tillage assembly. The airbag can be selectively inflated to apply controlled downward pressure, maintaining consistent tillage depth on uneven ground without requiring complex mechanical linkage systems.
Solution Approach 2:
The airbag functions as a counterweight mechanism by providing an adjustable downward force that counteracts the tendency of the tillage assembly to rise on uneven terrain. This pneumatic counterweight system replaces traditional mechanical weight systems with a more flexible and controllable approach.
2Productivity
If the tillage assembly is designed to follow ground contours without downward pressure, then the device is easier to operate, but soil preparation efficiency decreases
Solution Approach 1:
The system transitions from a static tillage depth setting to a dynamic system where the airbag pressure can be adjusted in real-time. This allows the downward force to adapt to varying ground conditions, maintaining optimal soil preparation efficiency while preserving operational simplicity through centralized pressure control.
Solution Approach 2:
The invention changes the parameter of downward force from a fixed mechanical value to a variable pneumatic pressure. By controlling air pressure in the airbag, the system can optimize soil preparation efficiency for different ground conditions without complicating the operational interface.
3Reliability
If multiple tillage components are added to condition soil thoroughly, then soil preparation quality improves, but the device complexity increases
Solution Approach 1:
The tillage system is segmented into multiple specialized components (disks for breaking, harrows for smoothing, residue management wheels for surface control) that work sequentially. Each component performs a specific function, allowing thorough soil conditioning while maintaining modularity that manages overall system complexity.
Solution Approach 2:
The airbag system serves multiple functions: it maintains depth consistency, applies controlled downward pressure, and works in conjunction with all tillage components. This multi-functional element coordinates the various tillage tools without requiring separate control mechanisms for each.
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 apparatus ensures consistent soil engagement and preparation by maintaining the tillage assembly at a desired depth, enhancing efficiency and thoroughness of soil conditioning for planting.
Implementation Method 1
An airbag includes a top coupled to the mounting arm and a bottom coupled to the at least one linking member via an airbag mounting bracket, the airbag being selectively inflated with air whereby to selectively apply a downward pressure to the assembly.
Data Source
AI summary
A strip-till row apparatus includes a primary frame having spaced apart side panels each having an upstanding front edge and an opposed upstanding rear edge. A tillage assembly is operatively coupled to the primary frame adjacent the rear edges thereof and configured to contact a ground service so as to prepare the soil. An auxiliary frame includes an upstanding front wall and a mounting arm extending rearwardly from the front wall, the auxiliary frame having a linking member having a first end pivotally coupled to the front wall and a second end coupled to the primary frame. A selectively inflatable airbag includes a top coupled to the mounting arm and a bottom coupled to the linking member via an airbag mounting bracket. A relative downward force is applied to the primary frame as the airbag is selectively inflated or deflated, respectively.