Floating Seal Ring Wear Gap Compensation With Adjustable Axial Pressure
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Solution Overview
Problem
Existing floating seal ring designs fail to adjust and compensate for wear gaps, leading to premature oil leakage and reduced service life due to fixed installation pressure and insufficient elasticity, resulting in rapid aging and stiffness of the rubber ring.
Innovation Solution
A device with a movable seat chamber, bayonet slot, and adjusting screw that allows for variable adjustment of the working wear gap by pushing the bayonet into a locking groove, enabling timely pressure adjustments to maintain optimal axial compression and prevent dry grinding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the floating seal ring is installed with fixed installation pressure, then the initial sealing performance is good, but the wear gap cannot be compensated and service life is reduced
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed installation pressure into a dynamically adjustable system. The adjustable pressing device allows the installation pressure to be modified during operation, enabling the system to adapt to wear progression. The pressing force can be increased as the rubber ring ages and loses elasticity, maintaining optimal sealing pressure throughout the service life rather than relying on a fixed initial pressure.
Solution Approach 2:
The patent implements parameter changes by allowing the installation pressure parameter to be varied over time. The adjustable pressing device enables modification of the pressing force parameter according to the actual wear condition of the floating seal ring. This parameter adjustment compensates for the degradation of the rubber ring's elasticity, maintaining the sealing performance and extending service life.
2Reliability
If the rubber ring elasticity is insufficient, then the working surfaces wear rapidly causing gap enlargement, but increasing elasticity may increase aging and stiffness
Solution Approach 1:
The patent applies self-service principle by enabling the operator to monitor the sealing performance and adjust the pressing force in response to actual wear conditions. The system serves itself by allowing real-time intervention to compensate for rubber ring degradation, rather than relying solely on the initial elastic properties of the rubber ring. This extends service life by actively managing the wear compensation process.
Solution Approach 2:
The patent uses parameter changes to compensate for insufficient rubber ring elasticity. By adjusting the pressing force parameter through the adjustable pressing device, the system compensates for the wear gap that would otherwise cause leakage. This allows the use of rubber rings with lower initial elasticity while maintaining sealing performance through active pressure adjustment.
3Reliability
If the floating seal ring is replaced frequently due to wear, then sealing performance is maintained, but equipment downtime and resource waste increase
Solution Approach 1:
The patent implements continuity of useful action by enabling continuous operation of the floating seal ring through adjustable pressing force. Instead of replacing the seal ring when wear occurs, the system maintains sealing performance by adjusting the pressing parameter, allowing the equipment to operate continuously without shutdown for replacement. This eliminates equipment downtime and extends the useful life of the seal ring.
Solution Approach 2:
The patent uses parameter changes to extend the service life of the floating seal ring. By adjusting the pressing force parameter in response to wear, the system maintains effective sealing without requiring replacement. This parameter adjustment allows the seal ring to continue functioning beyond its initial design life, reducing equipment downtime and resource waste associated with frequent replacements.
4Reliability
If the floating seal ring is replaced frequently, then optimal sealing is maintained, but material usage and costs increase
Solution Approach 1:
The patent applies discarding and recovering principle by extending the usable life of the floating seal ring through adjustable pressing force. Instead of discarding the seal ring after initial wear, the system recovers its sealing functionality by adjusting the pressing parameter. This allows the material to be utilized more fully, reducing waste and maximizing the value of the seal ring material.
Solution Approach 2:
The patent uses parameter changes to maximize material utilization. By adjusting the pressing force parameter, the system maintains sealing performance throughout the extended service life of the seal ring. This prevents premature discarding of the material and reduces the frequency of replacement, thereby reducing material waste and associated costs.
Data Source
AI summary
A device for adjusting and compensating working wear gaps of a floating seal ring, which is provided on a movable seat chamber, a floating seal ring and a rubber ring are provided in the movable seat chamber, the movable seat chamber and the shaft are sealed by a shaft sealing rubber ring, wherein: adjusting screw holes are provided on a center of the shaft along an axial direction, a bayonet slot for penetrating the shaft is provided on an outer side of the shaft along a radial direction, a bayonet is provided in the bayonet slot, and a locking groove is provided on an end portion of the movable seat chamber, an adjusting screw inserted into the adjusting screw hole is provided on an end portion of the shaft.