CN114622868A - Underwater sealing joint - Google Patents
Underwater sealing joint Download PDFInfo
- Publication number
- CN114622868A CN114622868A CN202011456514.XA CN202011456514A CN114622868A CN 114622868 A CN114622868 A CN 114622868A CN 202011456514 A CN202011456514 A CN 202011456514A CN 114622868 A CN114622868 A CN 114622868A
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- sealing
- rotary
- joint
- cover
- shaft
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sealing Devices (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention belongs to the field of mechanical automation engineering, in particular to an underwater sealing joint, wherein the upper side and the lower side of a sealing joint cavity are respectively connected with an upper sealing joint cover and a lower sealing joint cover in a sealing way; the driving steering engine is arranged on the lower cover of the sealing joint through a steering engine fixing seat, and an output shaft of the driving steering engine is connected with one end of the rotary sealing shaft through a steering engine connecting plate; the bearing seat and the bearing cover are respectively sleeved on the rotary sealing shaft and are positioned in the sealed joint cavity, one side of the bearing cover is connected with the upper cover of the sealed joint, the other side of the bearing cover is connected with the bearing seat, and the rotary sealing shaft is rotatably connected with the bearing seat through a rotary bearing. The invention is a modularized underwater sealing joint, can realize good sealing effect, and has the characteristics of small volume, light weight, high expansion capability, wide application range and the like.
Description
Technical Field
The invention belongs to the field of mechanical automation engineering, and particularly relates to an underwater sealing joint.
Background
The underwater sealing joint is a sealing joint capable of realizing underwater operation, can be widely applied to underwater mechanical arms, underwater robots and the like, and can realize underwater operation, ocean exploration, oil pipeline detection and the like according to practical application scenes. The underwater sealing joint can realize underwater rotary sealing, is modularized and easy to install, disassemble and replace, and has high integration level and independent action of a single joint.
Disclosure of Invention
The invention aims to provide an underwater sealing joint, which can realize underwater single-degree-of-freedom joint sealing.
The purpose of the invention is realized by the following technical scheme:
the underwater sealing joint comprises a sealing joint upper cover, a rotary sealing shaft, a sealing joint cavity, a sealing joint lower cover, a rotary bearing, a steering engine connecting disc, a steering engine fixing seat, a driving steering engine, a bearing seat and a bearing cover, wherein the upper side and the lower side of the sealing joint cavity are respectively in sealing connection with the sealing joint upper cover and the sealing joint lower cover, so that the whole inside of the underwater sealing joint is in a sealing state; one end of the rotary sealing shaft is positioned in the sealing joint cavity, the other end of the rotary sealing shaft penetrates out of the sealing joint upper cover, and the rotary sealing shaft and the sealing joint upper cover are sealed through a rotary sealing structure; the driving steering engine and the steering engine fixing seat are both positioned in the sealed joint cavity, the driving steering engine is arranged on the lower cover of the sealed joint through the steering engine fixing seat, and an output shaft of the driving steering engine is connected with one end of the rotary sealing shaft through a steering engine connecting plate; the bearing seat and the bearing cover are respectively sleeved on the rotary sealing shaft and are positioned in the sealed joint cavity, one side of the bearing cover is connected with the upper cover of the sealed joint, the other side of the bearing cover is connected with the bearing seat, and the rotary sealing shaft is rotatably connected with the bearing seat through a slewing bearing.
Wherein: the rotary seal shaft is sleeved with a shaft sleeve, one end of the shaft sleeve is abutted to the slewing bearing, and the other end of the shaft sleeve is abutted to a check ring embedded in the rotary seal shaft.
The rotary bearing is positioned between the bearing seat and the bearing cover and is rotationally connected with a shaft shoulder on the rotary sealing shaft; the inner ring of the rotary bearing is axially limited through a shaft sleeve and a shaft shoulder on the rotary sealing shaft, and the outer ring of the rotary bearing is axially limited through the bearing seat and the bearing cover.
The rotary sealing structure is a split type stet seal and comprises a sealing end cover and a stet seal ring, wherein a sealing groove A is formed in the outer surface of the sealing joint upper cover, the stet seal ring is contained in the sealing groove A, and the sealing end cover is fixedly connected to the outer surface of the sealing joint upper cover and is abutted against the stet seal ring; the inner side of the steckel seal ring is in friction contact with the rotary seal shaft to realize rotary seal.
The outer surface of the lower cover of the sealing joint is provided with a rotary connecting block, and a rotary shaft sleeve is connected to the rotary connecting block in a rotating mode.
A control panel and a battery are respectively arranged in the sealed joint cavity, the control panel is connected with the battery, and the battery supplies power to the control panel; the driving steering engine is respectively connected with the control panel and the battery, the battery supplies power to the driving steering engine, and the control panel controls the starting, stopping and speed regulation of the driving steering engine.
And a cable head is arranged on the lower cover of the sealing joint, and an underwater cable is connected with the control panel through the cable head.
The upper side and the lower side of the sealing joint cavity are both provided with a sealing groove B, and an upper sealing ring is arranged in the sealing groove B at the upper side and is sealed with the upper cover of the sealing joint; and a lower sealing ring is arranged in the sealing groove B on the lower side and is sealed with the sealing joint lower cover.
The invention has the advantages and positive effects that:
1. the underwater single joint sealing structure can realize the underwater single joint rotary motion, has good sealing performance, and is suitable for complex underwater environment.
2. The invention adopts modular design, has simple structure, small volume, light weight, easy installation, disassembly and replacement, high expansion capability and wide application range.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
wherein: the sealing joint comprises a sealing joint upper cover 1, a rotary sealing shaft 2, a sealing joint cavity 3, a sealing joint lower cover 4, an upper sealing ring 5, a sealing end cover 6, a steckel sealing ring 7, a slewing bearing 8, a shaft sleeve 9, a retainer ring 10, a control plate 11, a steering engine connecting disc 12, a battery 13, a steering engine fixing seat 14, a driving steering engine 15, a cable head 16, a rotary connecting block 17, a slewing shaft sleeve 18, a lower sealing ring 19, a bearing seat 20 and a bearing cover 21.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the sealing joint comprises a sealing joint upper cover 1, a rotary sealing shaft 2, a sealing joint cavity 3, a sealing joint lower cover 4, a rotary bearing 8, a steering engine connecting disc 12, a steering engine fixing seat 14, a driving steering engine 15, a bearing seat 20 and a bearing cover 21, wherein the upper side and the lower side of the sealing joint cavity 3 are respectively connected with the sealing joint upper cover 1 and the sealing joint lower cover 4 in a sealing manner, sealing grooves B are respectively arranged on the upper side and the lower side of the sealing joint cavity 3 in the embodiment, an upper sealing ring 5 is arranged in the sealing groove B on the upper side, and the sealing joint upper cover 1 is sealed; a lower sealing ring 19 is arranged in the sealing groove B at the lower side to realize sealing with the sealing joint lower cover 4; thereby the whole inside of the underwater sealing joint is in a sealing state.
One end of the rotary sealing shaft 2 is positioned in the sealing joint cavity 3, and the other end of the rotary sealing shaft penetrates out of the sealing joint upper cover 1 and is sealed with the sealing joint upper cover 1 through a rotary sealing structure. The rotary sealing structure of the embodiment is a split steckel seal, and comprises a sealing end cover 6 and a steckel seal ring 7, wherein a sealing groove A is formed in the outer surface of the sealing joint upper cover 1, the steckel seal ring 7 is accommodated in the sealing groove A, and the sealing end cover 6 is fixedly connected to the outer surface of the sealing joint upper cover 1 and is abutted against the steckel seal ring 7; the inner lining strip of the steckel seal ring 7 is in friction contact with the rotary seal shaft 2 to realize rotary seal.
The bearing seat 20 and the bearing cover 21 are respectively sleeved on the rotary sealing shaft 2 and are positioned in the sealed joint cavity 3, one side of the bearing cover 21 is connected with the inner surface of the sealed joint upper cover 1, the other side of the bearing cover is connected with the bearing seat 20, and the rotary sealing shaft 2 is rotatably connected with the bearing seat 20 through the rotary bearing 8. The rotary seal shaft 2 is sleeved with a shaft sleeve 9, one end of the shaft sleeve 9 is abutted to the rotary bearing 8, the other end of the shaft sleeve 9 is abutted to a check ring 10, and the check ring 10 is embedded in a groove in the rotary seal shaft 2. The rotary bearing 8 of the embodiment is positioned between the bearing seat 20 and the bearing cover 21, and the rotary bearing 8 is rotatably connected with a shaft shoulder on the rotary sealing shaft 2; the inner ring of the rotary bearing 8 is axially limited through a shaft sleeve 9 and a shaft shoulder on the rotary sealing shaft 2, and the outer ring is axially limited through a bearing seat 20 and a bearing cover 21.
The driving steering engine 15 and the steering engine fixing seat 14 are both located in the sealed joint cavity 3, the driving steering engine 15 is installed on the sealed joint lower cover 4 through the steering engine fixing seat 14, and an output shaft of the driving steering engine 15 is connected with one end of the rotary sealing shaft 2 through the steering engine connecting plate 12.
The inner wall of the sealed joint cavity 3 of the embodiment is respectively fixedly connected with a control board 11 and a battery 13, the control board 11 is connected with the battery 13, and the battery 13 supplies power to the control board 11. The driving steering engine 15 is respectively connected with the control panel 11 and the battery 13, the battery 13 supplies power to the driving steering engine 15, and the control panel 11 controls the starting, stopping and speed regulation of the driving steering engine 15.
The outer surface of the sealing joint lower cover 4 of the embodiment is respectively provided with a cable head 16 and a rotary connecting block 17, an underwater cable is connected with the control panel 11 through the cable head 16, the rotary connecting block 17 is rotatably connected with a rotary shaft sleeve 18, and the rotary connecting block 17 and the rotary sealing shaft 2 can be used as a rotary motion rotation center to realize the sealing rotary motion of the single-degree-of-freedom joint.
The working principle of the invention is as follows:
the control panel 11 controls the work of a driving steering engine 15, an output shaft of the driving steering engine 15 drives the rotary sealing shaft 2 to rotate through a steering engine connecting disc 12, and then the rotary motion of the underwater sealing joint is output.
Claims (8)
1. An underwater sealing joint, characterized in that: the underwater sealing joint comprises a sealing joint upper cover (1), a rotary sealing shaft (2), a sealing joint cavity (3), a sealing joint lower cover (4), a rotary bearing (8), a steering engine connecting disc (12), a steering engine fixing seat (14), a driving steering engine (15), a bearing seat (20) and a bearing cover (21), wherein the upper side and the lower side of the sealing joint cavity (3) are respectively in sealing connection with the sealing joint upper cover (1) and the sealing joint lower cover (4), so that the whole inside of the underwater sealing joint is in a sealing state; one end of the rotary sealing shaft (2) is positioned in the sealing joint cavity (3), the other end of the rotary sealing shaft penetrates out of the sealing joint upper cover (1), and the rotary sealing shaft and the sealing joint upper cover (1) are sealed through a rotary sealing structure; the driving steering engine (15) and the steering engine fixing seat (14) are both positioned in the sealed joint cavity (3), the driving steering engine (15) is mounted on the sealed joint lower cover (4) through the steering engine fixing seat (14), and an output shaft of the driving steering engine (15) is connected with one end of the rotary sealing shaft (2) through a steering engine connecting plate (12); the bearing seat (20) and the bearing cover (21) are respectively sleeved on the rotary sealing shaft (2) and located in the sealing joint cavity (3), one side of the bearing cover (21) is connected with the sealing joint upper cover (1), the other side of the bearing cover is connected with the bearing seat (20), and the rotary sealing shaft (2) is rotatably connected with the bearing seat (20) through the rotary bearing (8).
2. The underwater sealed joint of claim 1, wherein: the rotary seal shaft (2) is sleeved with a shaft sleeve (9), one end of the shaft sleeve (9) is abutted to the rotary bearing (8), and the other end of the shaft sleeve is abutted to a check ring (10) embedded in the rotary seal shaft (2).
3. The underwater sealed joint of claim 2, wherein: the rotary bearing (8) is positioned between the bearing seat (20) and the bearing cover (21), and the rotary bearing (8) is rotatably connected with a shaft shoulder on the rotary sealing shaft (2); the inner ring of the slewing bearing (8) is axially limited through a shaft sleeve (9) and a shaft shoulder on the rotary sealing shaft (2), and the outer ring of the slewing bearing is axially limited through the bearing seat (20) and the bearing cover (21).
4. The underwater sealed joint of claim 1, wherein: the rotary sealing structure is a split type stet seal and comprises a sealing end cover (6) and a stet seal sealing ring (7), a sealing groove A is formed in the outer surface of the sealing joint upper cover (1), the stet seal sealing ring (7) is contained in the sealing groove A, and the sealing end cover (6) is fixedly connected to the outer surface of the sealing joint upper cover (1) and is abutted against the stet seal sealing ring (7); the inner side of the steckel seal ring (7) is in friction contact with the rotary seal shaft (2) to realize rotary seal.
5. The underwater sealed joint of claim 1, wherein: the outer surface of the lower sealing joint cover (4) is provided with a rotary connecting block (17), and the rotary connecting block (17) is rotatably connected with a rotary shaft sleeve (18).
6. The underwater sealed joint of claim 1, wherein: a control panel (11) and a battery (13) are respectively arranged in the sealed joint cavity (3), the control panel (11) is connected with the battery (13), and the battery (13) supplies power to the control panel (11); the driving steering engine (15) is respectively connected with the control panel (11) and the battery (13), the battery (13) supplies power to the driving steering engine (15), and the control panel (11) controls the starting, stopping and speed regulation of the driving steering engine (15).
7. The underwater sealed joint of claim 6, wherein: a cable head (16) is arranged on the lower sealing joint cover (4), and an underwater cable is connected with the control panel (11) through the cable head (16).
8. The underwater sealed joint of claim 1, wherein: the upper side and the lower side of the sealing joint cavity (3) are both provided with a sealing groove B, an upper sealing ring (5) is arranged in the sealing groove B at the upper side, and the sealing joint cavity and the upper sealing ring (1) are sealed; and a lower sealing ring (19) is arranged in the sealing groove B on the lower side and is sealed with the sealing joint lower cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456514.XA CN114622868B (en) | 2020-12-10 | 2020-12-10 | Underwater sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456514.XA CN114622868B (en) | 2020-12-10 | 2020-12-10 | Underwater sealing joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114622868A true CN114622868A (en) | 2022-06-14 |
| CN114622868B CN114622868B (en) | 2023-09-08 |
Family
ID=81896296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011456514.XA Active CN114622868B (en) | 2020-12-10 | 2020-12-10 | Underwater sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114622868B (en) |
Citations (21)
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| CN114622868B (en) | 2023-09-08 |
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