一种用于海底电缆轴承单元
By designing an internal double rolling element full-load structure and a V-shaped pulley outer ring for the submarine cable bearing unit, the problems of insufficient load-bearing capacity and corrosion were solved, achieving stable propulsion and sealing performance in harsh marine environments and adapting to marine humidity and salt spray corrosion.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WAFANGDIAN BEARING GRP STATE BEARING ENG TECH RES CENT CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-17
Smart Images
Figure CN224515666U_ABST
Abstract
Claims
1. A bearing unit for a submarine cable, characterized by: include The outer ring of the bearing has an outer sealing groove on its inner wall near the end face; The bearing inner ring has an inner sealing groove on the outer wall near the end face. A rolling element is disposed between the outer ring and the inner ring of the bearing; The sealing element has one end placed in the outer sealing groove and the other end placed in the inner sealing groove; A hollow shaft, with the bearing inner ring fitted on its outer wall, and the hollow shaft having a shoulder; A lock nut, operably associated with the hollow shaft, engages with a shoulder to secure the inner ring of the bearing.
2. A bearing unit for a submarine cable according to claim 1, characterized in that: The bearing outer ring has a "U" shaped structure, and a U-shaped groove is provided on the outer circumference of the bearing outer ring. The submarine cable is placed in the U-shaped groove.
3. A bearing unit for a submarine cable according to claim 1, characterized in that: The outer ring of the bearing is provided with a through-hole in the first radial direction.
4. A bearing unit for a submarine cable according to claim 1, characterized in that: The inner ring of the bearing is provided with a through second radial oil hole, and a retaining ring is provided in the second radial oil hole near the hollow shaft. The retaining ring is in contact with the outer wall of the hollow shaft.
5. A bearing unit for a submarine cable according to claim 1, characterized in that: The rolling element is a double-row cylindrical roller.
6. A bearing unit for a submarine cable according to claim 1, characterized in that: The hollow shaft has a shoulder at one end and a thread at the other end, and the locking nut is used in conjunction with the thread.
7. A bearing unit for submarine cables according to claim 1, characterized in that: The sealing element is provided with a sealing skeleton and a sealing ring, and the sealing skeleton covers the sealing ring to seal the inside of the bearing.
8. A bearing unit for a submarine cable according to claim 7, characterized in that: One end of the sealing skeleton is placed in the outer sealing groove, and the other end is placed in the inner sealing groove.