Hydraulic Drive Valve Layout With Integrated Flushing for Pump Reliability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing hydraulic drive systems for construction and thick matter pump systems lack improved properties such as cost-effective construction, efficient operation, and effective flushing mechanisms.
Innovation Solution
The hydraulic drive system incorporates a configuration of first and second drive cylinders, directional control valves, and a flushing hydraulic fluid device, allowing for various functions through specific switching positions and connections, enabling cost-effective construction and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple directional control valves are used to control multiple drive cylinders, then the system functionality and versatility are improved, but the device complexity and construction cost increase
Solution Approach 1:
The patent merges the functions of multiple directional control valves into a single integrated valve unit that can control both drive cylinders. This consolidation reduces the total number of separate components while maintaining the ability to independently control each cylinder, thereby reducing device complexity and construction cost without sacrificing system functionality.
Solution Approach 2:
The integrated directional control valve is designed to perform multiple functions - controlling both drive cylinders through a unified valve structure. This multi-functional design eliminates the need for separate dedicated valves for each cylinder, reducing overall system complexity while preserving full operational versatility.
2Reliability
If a flushing mechanism is added to the hydraulic system, then the system reliability and maintenance efficiency are improved, but the device complexity increases
Solution Approach 1:
The flushing mechanism is integrated into the existing directional control valve structure, combining the flushing function with the primary control functions. This integration allows the system to perform flushing operations without adding separate standalone flushing components, thereby improving reliability through regular maintenance capability while minimizing increases in device complexity.
3Ease of operation
If separate control systems are used for each drive cylinder, then the ease of operation and control precision are improved, but the device complexity and cost increase
Solution Approach 1:
The integrated directional control valve provides independent control pathways for each drive cylinder within a unified valve structure. This allows precise independent control of each cylinder while avoiding the complexity of completely separate control systems, achieving ease of operation with reduced device complexity.
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
This configuration allows for efficient operation, cost-effective construction, and effective flushing functions, enhancing the overall performance of the hydraulic drive system and the construction or thick matter pump system.
Implementation Method 1
hydraulic drive system includes a first drive cylinder and a second drive cylinder, a first directional control valve and a second directional control valve
Data Source
AI summary
A hydraulic drive system for a construction and/or thick matter pump system includes a first drive cylinder and a second drive cylinder, a first directional valve and a second directional valve, and a flushing hydraulic liquid device. The first directional valve is configured to connect the first drive cylinder to the second directional valve by way of a first switching position and to connect the second directional valve to the flushing hydraulic liquid device by way of a second switching position. The second directional valve is configured to connect the second drive cylinder to the first directional valve by way of a first switching position and to connect the first directional valve to the flushing hydraulic liquid device by way of a second switching position.