Baler Gate Hydraulic Bypass Valve for Anti-Slam Speed Control
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Solution Overview
Problem
The hydraulic system for baler implements lacks control over the speed of the rear gate, leading to potential slamming during opening and closing, which can damage the equipment and affect bale discharge efficiency.
Innovation Solution
A hydraulic system with a flow bypass assembly and control valves that allow for adjustable fluid flow rates, enabling the rear gate to be moved at controlled speeds by selectively positioning the flow rate control valve and flow direction control valve, thereby managing the gate's speed and preventing slamming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rear gate is moved quickly to improve bale discharge efficiency, then productivity increases, but the gate may slam and cause equipment damage
Solution Approach 1:
The hydraulic system dynamically adjusts the fluid flow rate to the hydraulic cylinder based on the gate's position and operational phase. The control valve modifies the flow characteristics in real-time, allowing the gate to move at different speeds during different portions of its travel, thereby achieving both high productivity and controlled operation to prevent slamming
Solution Approach 2:
The system changes the flow rate parameter of the hydraulic fluid supplied to the cylinder. By varying the flow rate from high to low depending on the gate position and operational requirements, the system achieves fast movement for productivity while preventing harmful slamming through reduced flow rates during critical phases
2Speed
If the flow rate control valve is added to control gate speed, then gate speed control is improved, but device complexity increases
Solution Approach 1:
The flow rate control valve serves as an intermediary device between the hydraulic pump and the cylinder. It mediates the fluid flow to achieve speed control without requiring complex control systems, using a relatively simple valve mechanism to regulate the hydraulic fluid delivery to the cylinder
Solution Approach 2:
The patent uses hydraulic principles to achieve speed control through fluid flow regulation. The hydraulic system with controlled fluid delivery provides smooth speed adjustment of the heavy gate, leveraging the inherent controllability of hydraulic systems to manage large forces and masses with relatively simple flow control mechanisms
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 system effectively controls the rear gate's speed, preventing slamming and enhancing the efficiency of bale discharge by allowing for smooth operation between open and closed positions, thus improving the overall performance of the baler implement.
Implementation Method 1
A hydraulic system with a flow bypass assembly and control valves that allow for adjustable fluid flow rates
Implementation Method 2
A flow restriction is disposed within the bypass passageway
Implementation Method 3
The hydraulic cylinder is operable to extend and retract the rod to raise and lower the rear gate respectively
Data Source
AI summary
A hydraulic system for a rear gate of a baler implement includes a fluid circuit having a first portion connected to and disposed in fluid communication with a first fluid port of a hydraulic cylinder. A flow bypass assembly is disposed in the first portion of the fluid circuit. The flow bypass assembly includes a flow rate control valve selectively moveable between a first position allowing fluid communication therethrough at a first flow rate, and a second position blocking fluid communication therethrough. The flow bypass assembly further includes a bypass passageway for circulating the fluid when the flow rate control valve is closed. A flow restriction is disposed within the bypass passageway to provide a second flow rate that is less than the first flow rate.