Mechanical Depth Control System for Farm Equipment Height Adjustment
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Solution Overview
Problem
Existing hydraulic systems for depth or height control in farm equipment are prone to leaks and mechanical stress, making it difficult to maintain accurate height adjustments, especially when hydraulic systems fail or are overloaded, and require depressurization for adjustments.
Innovation Solution
A depth control system with a mechanical stop and locking mechanism that allows for easy adjustment under no load, using a sleeve and pin system with offset positioning holes for precise depth settings, and a fine adjustment mechanism with a clevis and threaded bolt, which can operate independently of hydraulic pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hydraulic systems are used for depth control, then height adjustment capability is provided, but the system is prone to leaks and mechanical stress
Solution Approach 1:
The patent replaces the hydraulic system with a mechanical depth control system using a depth control arm, frame guide, and locking mechanism. This substitution eliminates hydraulic fluid leaks and reduces mechanical stress on sealed components while maintaining the height adjustment capability through mechanical means.
Solution Approach 2:
The depth control arm serves as an intermediary mechanical component between the frame and the locking mechanism. It transmits the positioning function without requiring hydraulic pressure, thereby eliminating the reliability issues associated with hydraulic seals and pressure fluctuations.
2Reliability
If mechanical stops are used to maintain height, then height maintenance is provided when hydraulics fail, but adjustment is difficult under load
Solution Approach 1:
The locking mechanism is designed to be dynamically engageable and disengageable. The movable component can be easily disengaged to allow adjustment of the depth control arm position, and then re-engaged to lock the position. This dynamic design allows adjustment under no load conditions while maintaining reliability when engaged.
Solution Approach 2:
The system allows the depth control arm to be adjusted to the desired position before engaging the locking mechanism. This preliminary adjustment under no load conditions ensures easy positioning, and then the locking mechanism is engaged to maintain that position during operation, avoiding the need to adjust under load.
3Ease of operation
If hydraulic pressure is used for depth control, then depth adjustment is possible, but depressurization is required for adjustments
Solution Approach 1:
The patent replaces the hydraulic pressure-dependent adjustment mechanism with a direct mechanical adjustment system. The depth control arm can be manually repositioned along the frame guide and locked at any position without requiring depressurization of hydraulic systems, thereby eliminating the time loss associated with pressure cycling.
Data Source
AI summary
A depth control system for a frame mounted to a movement system is provided. The frame is mounted such that the frame can be raised and lowered in relation to the movement system by a height adjustment mechanism. The depth control system includes a depth control arm connected to the movement system, a height adjustment mechanism, and a mechanical stop. The height adjustment mechanism is configured to engage with the depth control arm to adjust the height of the frame. The mechanical stop is configured to engage with the depth control arm to prevent the frame from moving in at least one direction with respect to the movement system and disengage from the depth control arm when the height of the frame is being adjusted.