Transfer seal structure and fracturing pump
By adopting an adapter seal structure in the hydraulic fracturing pump, the rotatable connection between the transition joint and the rotary joint is used, and combining the seal chamber and the sealing device, the driven seal becomes a static seal, which solves the damage of the seal when the crankshaft rotates. The problem of the sealing performance is improved.
CN111609235BActive Publication Date: 2025-01-14SANY PETROLEUM INTELLIGENT EQUIP CO LTD
Patent Information
- Application Number
- CN202010622398.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-06-30
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2040-06-30
AI Technical Summary
Technical Problem
In existing hydraulic fracturing pumps, friction during the rotation of the crankshaft causes damage to the seal, causing oil leakage and degradation of sealing performance.
Method used
Adopting the adapter seal structure, through the rotatable connection of the transition joint and the rotary joint, combined with the sealing cavity and the sealing device, the driven seal becomes a static seal to avoid damage to the sealing device when it rotates.
Benefits of technology
It effectively prevents damage to the sealing device when the rotary joint rotates, ensures sealing performance, avoids oil leakage problems, and improves the overall sealing performance of the fracturing pump.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN111609235B_ABST
Abstract
The present invention relates to the field of fracturing pump accessories, and in particular, to a transition sealing structure and a fracturing pump. The transition sealing structure includes an external joint, a rotary joint and a gland; a sealing cavity is provided on one side of the gland, and the rotary joint is provided in the sealing cavity; a connecting hole is provided on the gland, and the connecting hole is connected to the sealing cavity; the external joint is connected to the rotary joint through the connecting hole, and the rotary joint is rotatably connected to the external joint; a sealing device is provided on the side wall of the connecting hole, and the sealing device is used to seal and separate the two sides of the gland. The present invention realizes the transformation from a dynamic seal to a static seal, so that the sealing device will not be damaged when the rotary joint rotates, thereby ensuring the sealing performance.
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Citation Information
Patent Citations
Closed rotary connector with self-adjusting structure
CN107237933A
Rotating joint
CN201359161Y
Crankshaft lubricating device and fracturing pump
CN210218074U
Adapting sealing structure and fracturing pump
CN212273348U