Seed Planter Depth Adjustment Mechanism
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Solution Overview
Problem
Current seed planting units in agricultural implements require a time-consuming process to adjust the penetration depth of multiple openers, leading to inefficiencies in seeding operations due to the need to manually adjust each opener's depth setting, which multiplies the duration of the process with the number of openers.
Innovation Solution
A seed planting unit with a depth adjustment system featuring a depth stop member and a depth adjustment member with a stepped profile, allowing for incremental adjustments and automatic actuation to set the penetration depth of the ground engaging tool, enabling quick and efficient reconfiguration of multiple openers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual adjustment of each opener's depth setting is performed, then the penetration depth can be precisely adjusted, but the time required increases proportionally with the number of openers
Solution Approach 1:
The patent combines multiple depth adjustment functions into a single centralized control mechanism. The depth adjustment member with stepped profile allows simultaneous control of multiple openers through one adjustment action, merging what would otherwise require individual manual adjustment of each opener into a unified system that achieves the same precision across all openers.
Solution Approach 2:
The depth adjustment member is segmented into multiple discrete steps, each representing a specific penetration depth setting. This segmentation allows the system to provide precise depth control through discrete positional levels, enabling accurate depth setting while reducing the complexity of continuous manual adjustment for each opener.
2Stability of the object's composition
If multiple openers are configured to maintain the same penetration depth setting, then consistency is achieved, but the duration of the depth adjustment process is multiplied by the number of openers
Solution Approach 1:
The depth adjustment mechanism serves as a universal control system that can simultaneously set the penetration depth for multiple openers. The single depth adjustment member with its stepped profile functions as a multi-functional device that controls the depth setting for the entire implement rather than requiring separate adjustment mechanisms for each opener.
Solution Approach 2:
The stepped profile on the depth adjustment member provides pre-configured depth settings that can be quickly selected without requiring measurement or calculation during operation. This preliminary preparation of depth options allows operators to rapidly switch between different penetration depths across multiple openers, maintaining consistency while improving productivity.
3Ease of operation
If the packer arm is rotated to vary the vertical position of the packer wheel, then the penetration depth is adjusted, but the process requires removing and resecuring fasteners which is time consuming
Solution Approach 1:
The depth adjustment member is designed to be movable along the wheel support arm, transitioning between different positions corresponding to various depth settings. This dynamic positioning system replaces the static fastener-rotation-secure process with a movable component that can be easily repositioned along a guided path, simplifying the adjustment operation while maintaining the ability to achieve multiple depth settings.
Data Source
AI summary
A seed planting unit of an agricultural implement may include a wheel support arm having an upper portion and a lower portion. A wheel may be rotatably supported by the lower portion of the wheel support arm, the wheel configured to contact the soil surface to define a penetration depth setting for a ground engaging tool relative to the soil surface. A depth stop member may be provided in operative association with one of the support structure or the wheel support arm. A depth adjustment member may be selectively movable relative to the other of the support structure or the wheel support arm to vary a relative position between the depth adjustment member and the depth stop member. The depth stop member may selectively abut one of the plurality of steps when the wheel is contacting the soil surface to set the penetration depth setting for the ground engaging tool.