CN104966913B - Sealing protection device for water immersed cable welded joints - Google Patents
Sealing protection device for water immersed cable welded joints Download PDFInfo
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- CN104966913B CN104966913B CN201510401453.XA CN201510401453A CN104966913B CN 104966913 B CN104966913 B CN 104966913B CN 201510401453 A CN201510401453 A CN 201510401453A CN 104966913 B CN104966913 B CN 104966913B
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- nut
- cable
- hole
- welded
- steel cylinder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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Abstract
The invention belongs to the technical fields such as offshore crude oil exploitation, offshore structure construction and monitoring, and relates to a sealing protection device for water immersed cable welded joints. According to the device of the invention, tension protection as well as waterproof, anti-corrosion and sealing protection can be performed for the cable welded joints through the combined action of a drum-shaped sealing ring, circular sealing pads, screw threads and a sealant. The device has the advantages of simple structure, multi-sealing performance and reliable effects.
Description
Technical field
The present invention relates to the technical fields such as Crude Oil at Sea exploitation, marine structures construction and monitoring, more particularly to a kind of electricity
Seal protecting device of the cable welding point in water.
Background technology
At sea in operation process, the cable that may be related to instrument is destroyed or needs to lengthen drilling and repairing well platform,
At this moment it is accomplished by two cable weldings together, sealing protection and anticorrosive work of the pad under water or in oil gas have
Significance.In addition, with expanding economy, marine structures are also more and more, in construction and monitoring process, it is also possible to relate to
And to above mentioned problem.A kind of current widely used seal protecting device realizes sealing protection of the cable welding joint in water.
But, seal protecting device construction of the existing cable welding joint in water is complicated, expensive, and has not
With antiseptic property.
The content of the invention
It is an object of the invention to provide a kind of seal protecting device of cable welding joint in water, sealed by cydariform
The collective effect of circle, round gasket, screw thread and fluid sealant, tension protection is carried out to cable welding joint and waterproof, anti-corrosion are close
Envelope protection.
The invention provides a kind of seal protecting device of cable welding joint in water, including：Cylindrical steel cylinder, it is described
Cable welding joint is located in the cylindrical steel cylinder, and it is close that the two ends of the cylindrical steel cylinder are respectively provided with extruding nut, cydariform
Seal, crossing cabin screw rod, coupling nut are sealed；
Wherein, the extruding nut center of top offers first through hole, the diameter of the first through hole and the cable
The external diameter of the cable to be welded of welding point one end matches, and the cable to be welded can pass through the first through hole, described
There is screw thread on the inwall for extruding nut；
The second through hole is offered on the drum-shape sealing ring, the diameter of second through hole is outer with the cable to be welded
Footpath matches, and the cable to be welded can pass through second through hole；The external diameter of the drum-shape sealing ring is less than the extruding
The internal diameter of nut, the drum-shape sealing ring is positioned in the extruding nut, is sealed by the extruding nut and the cydariform
The common squeezing action of circle, can fasten the strain relief clamp to be welded；
Threaded engagement on one end of the crossing cabin screw rod and the inwall of the extruding nut, the crossing cabin screw rod offers
Third through-hole, the diameter of the third through-hole matches with the outside diameter of cable to be welded, and the cable to be welded can be passed through
The third through-hole；
The coupling nut top is plane, and the coupling nut center offers fourth hole, on the fourth hole
The other end for having screw thread, the crossing cabin screw rod is screwed in the fourth hole, and is extruded the coupling nut and be screwed in the crossing cabin
The other end of screw rod；
The external diameter with diameter greater than the cable to be welded of the inner chamber of the cylindrical steel cylinder, the two of the cylindrical steel cylinder
There is screw thread in end outside, there is screw thread on the coupling nut madial wall, and the coupling nut is screwed in outside the cylindrical steel cylinder two ends
On the screw thread of side.
Preferably, placed between the coupling nut and the cylindrical steel cylinder and be provided with the first round gasket.
Preferably, there is a fixing nut in the crossing cabin screw rod middle setting, the fixing nut is used for holding spanner,
To rotate the fixing nut.
Preferably, there is circular groove in the fixing nut bottom surface, second is placed with the circular groove circular close
Packing.
Preferably, epoxy resin sealant or polyurethane adhesive are perfused with the cavity of the cylindrical steel cylinder.
Preferably, the drum-shape sealing ring, first round gasket and second round gasket are with poly- four
PVF makes.
Preferably, the extruding nut, the crossing cabin screw rod, the coupling nut and the cylindrical steel cylinder are adopted
Made of 316 type stainless steels.
The technical scheme provided in the embodiment of the present application, at least has the following technical effect that or advantage：
The collective effect that the present invention passes through sealing ring, sealing gasket, screw thread and fluid sealant, tension is carried out to cable welding joint
Protection and waterproof, preserving and sealing are protected.The device is simple to operate, multi-sealed, effect reliability.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, can also obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic diagram of seal protecting device of the cable welding joint in water, wherein, the complete phase in two ends of the device
Together, only its one end is marked：1- cables to be welded, 2- extruding nuts, 3- drum-shape sealing rings, 41,42,43- screw threads, 5- wears
Cabin screw rod, the round gaskets of 61- second, the round gaskets of 62- first, 7- coupling nuts, 8- cylinder steel cylinders, two cables of 9-
Pad, another cable to be welded of 13-；
Fig. 2 is the schematic diagram for extruding nut, wherein, 2- extruding nuts, 11- first through hole, 41- screw threads；
Fig. 3 is the schematic diagram of drum-shape sealing ring, wherein, 3- drum-shape sealing rings, the through holes of 16- second；
Fig. 4 is the schematic diagram of crossing cabin screw rod, wherein, 5- crossing cabin screw rods, 12- third through-holes, 14- fixing nuts, 42- spiral shells
Line；
Fig. 5 is the schematic diagram of coupling nut, wherein, 7- coupling nuts, 15- fourth holes, 43- screw threads；
Fig. 6 is the schematic diagram of cylindrical steel cylinder, wherein, 8- cylinder steel cylinders, 10- cavitys.
Specific embodiment
It is an object of the invention to provide a kind of seal protecting device of cable welding joint in water, sealed by cydariform
The collective effect of circle, round gasket, screw thread and fluid sealant, tension protection is carried out to cable welding joint and waterproof, anti-corrosion are close
Envelope protection.The device is simple to operate, multi-sealed, effect reliability.
As shown in Fig. 1~Fig. 5, seal protecting device two ends of the cable welding joint in water are symmetrical, now only to one end
It is introduced, the device includes：
Extruding nut 2, the extruding center of top of nut 2 has a first through hole 11 suitable with the external diameter of cable to be welded 1 (no
It is threaded), enable cable to be welded 1 through extruding nut 2, there is screw thread 41 on the inwall for extruding nut 2, its internal diameter and crossing cabin
The diameter of screw rod 5 matches；
Drum-shape sealing ring 3, is through on cable to be welded 1, the diameter of the second through hole 16 of drum-shape sealing ring 3 with it is to be welded
Quite, external diameter is slightly smaller than the internal diameter of extruding nut 2 to the external diameter of cable 1, is positioned in extruding nut 2.By extruding nut 2 and cydariform
The common squeezing action of sealing ring 3, can fix the clamping of cable to be welded 1 and immovable, realize the tension of welding point
Protection, while also having sealing effectiveness；
Cylindrical steel cylinder 8, the diameter of the cavity 10 of cylindrical steel cylinder 8 is greater than the diameter of cable to be welded 1, the two ends of steel cylinder
There is screw thread 42 in outside；
Coupling nut 7, the top of coupling nut 7 is plane, and there is fourth hole 15 in center, there is screw thread 42 on fourth hole 15,
For installing crossing cabin screw rod 5；There is screw thread on the madial wall of coupling nut 7, cylindrical steel is screwed in after padding upper first round gasket 62
On screw thread on the outside of 8 two ends of cylinder.
Crossing cabin screw rod 5, crossing cabin screw rod 5 is provided with third through-hole 12 (not threaded), the diameter of third through-hole 12 with it is to be welded
The external diameter of cable 1 quite, enables cable to be welded 1 to pass through the crossing cabin screw rod 5；There is a fixing nut 14 in the middle of crossing cabin screw rod 5,
It is used for holding spanner when crossing cabin screw rod 5 is installed, there is circular groove in the bottom surface of fixing nut 14, places the second round gasket 61
After (thickness of the depth of groove less than the second round gasket 61), crossing cabin screw rod 5 is screwed in the third through-hole of connection extruding nut 2
In 12.Extruding nut 2 is screwed in the upper end of crossing cabin screw rod 5.
Further, the cavity 10 of cylindrical steel cylinder 8 is irrigated with epoxy resin sealant or polyurethane adhesive.
Further, drum-shape sealing ring 3, the second round gasket 61 and the first round gasket 62 use sealing corrosion effect
Stronger polytetrafluoroethylene (PTFE) makes.
Further, each metal parts is (for example：Extruding nut 2, crossing cabin screw rod 5, coupling nut 7, cylindrical steel cylinder 8) can
Made with of 316 type stainless steels of Strong corrosion resistant.
Because the seal protecting device of the cable welding joint in water, two ends are symmetrical, and two-end structure is identical, tool
Body structure referring to Fig. 1, so, here is omitted.
The application method of seal protecting device of this cable welding joint in water, it is specific as follows：
Step S1：By cable to be welded 1 through the first through hole 11 for extruding nut 2；
Step S2：After completing above-mentioned steps S1, cable to be welded 1 is passed through the second through hole 16 of drum-shape sealing ring 3；
Step S3：After completing above-mentioned steps S2, cable to be welded 1 is passed through the third through-hole 12 of crossing cabin screw rod 5, by crossing cabin
Wear to lower end the upper end of screw rod 5；
Step S4：After completing above-mentioned steps S3, cable to be welded 1 is passed through into the second round gasket 61, it is circular by second
Sealing gasket 61 is placed in the bottom recesses of fixing nut 14 on crossing cabin screw rod 5；
Step S5：After completing above-mentioned steps S4, by cable to be welded 1 through the fourth hole 15 at the top of coupling nut 7；
Step S6：After completing above-mentioned steps S5, cable to be welded 1 is passed through into the first round gasket 62, it is circular by first
Sealing gasket 62 is gone here and there in the lower end of crossing cabin screw rod 5；
Step S7：After completing above-mentioned steps S6, cable to be welded 1 is passed through the cavity 10 of cylindrical steel cylinder 8；
Step S8：After completing above-mentioned steps S7, another cable to be welded 13 is completed into operation according to step S1~S6；
Step S9：After completing above-mentioned steps S8, cable to be welded 1 and another cable to be welded 13 are welded together,
And insulation protection is carried out to two pads of cable 9 with heat-shrink tube and insulating tape；
Step S10：After completing above-mentioned steps S9, coupling nut 7 is tightened on cylindrical steel cylinder 8 by screw thread 43, this
When the first round gasket 62 is compressed；
Step S11：After completing above-mentioned steps S10, the lower end of crossing cabin screw rod 5 is tightened in coupling nut 7 by screw thread 42
On fourth hole 15, the second round gasket 61 is compressed now；
Step S12：After completing above-mentioned steps S11, two pads of cable 9 are placed on the cavity of cylindrical steel cylinder 8
10 centre position；
Step S13：After completing above-mentioned steps S12, nut 2 will be extruded and passes through the upper end that screw thread 41 is tightened in crossing cabin screw rod 5,
Cable to be welded 1 is fixed and immovable now；
Note：Step S10~S13 only treats welding cable 1 and is operated, and another cable to be welded 13 does not carry out this behaviour still
Make.After completing above-mentioned steps S1~S13, now one end of cable to be welded 1 has installed, it is desirable to will be each in connection procedure
The screw thread of individual part is tightened, and another one end of cable to be welded 13 is still in not stubborn state；
Step S14：After completing above-mentioned steps S13, from one end epoxide-resin glue of another cable to be welded 13 or
Polyurethane adhesive fills the cavity 10 of cylindrical steel cylinder 8, it is impossible to have bubble.
Note：During step S14 encapsulatings, two pads of cable 9 should not be encountered on the inwall of cavity 10 of steel cylinder 8.
Step S15：Into after above-mentioned steps S14, according to step S10~S13, one end of another cable to be welded 13 is entered
Row is installed.
Step S16：After completing above-mentioned steps S15, the sealing device is already installed.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
The collective effect that the present invention passes through drum-shape sealing ring, round gasket, screw thread and fluid sealant, to cable welding joint
Carry out tension protection and waterproof, preserving and sealing are protected.The device is simple to operate, multi-sealed, effect reliability.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (7)
1. seal protecting device of a kind of cable welding joint in water, it is characterised in that including：Cylindrical steel cylinder, the electricity
Cable welding point is located in the cylindrical steel cylinder, and the two ends of the cylindrical steel cylinder are respectively provided with extruding nut, cydariform sealing
Circle, crossing cabin screw rod, coupling nut are sealed；
Wherein, the extruding nut center of top offers first through hole, the diameter of the first through hole and the cable welding
The external diameter of the cable to be welded of joint one end matches, and the cable to be welded can pass through the first through hole, the extruding
There is screw thread on the inwall of nut；
Offer the second through hole on the drum-shape sealing ring, the external diameter phase of the diameter of second through hole and the cable to be welded
Matching, the cable to be welded can pass through second through hole；The external diameter of the drum-shape sealing ring is less than the extruding nut
Internal diameter, the drum-shape sealing ring is positioned in the extruding nut, by the extruding nut and the drum-shape sealing ring
Common squeezing action, can fasten the strain relief clamp to be welded；
Threaded engagement on one end of the crossing cabin screw rod and the inwall of the extruding nut, the crossing cabin screw rod offers the 3rd
Through hole, the diameter of the third through-hole matches with the outside diameter of cable to be welded, and the cable to be welded can be described in
Third through-hole；
The coupling nut top is plane, and the coupling nut center offers fourth hole, has spiral shell on the fourth hole
Line, the other end of the crossing cabin screw rod is screwed in the fourth hole, and is extruded the coupling nut and be screwed in the crossing cabin screw rod
The other end；
The external diameter with diameter greater than the cable to be welded of the inner chamber of the cylindrical steel cylinder, outside the two ends of the cylindrical steel cylinder
There is screw thread side, there is screw thread on the coupling nut madial wall, and the coupling nut is screwed on the outside of the cylindrical steel cylinder two ends
On screw thread.
2. device as claimed in claim 1, it is characterised in that placed between the coupling nut and the cylindrical steel cylinder
It is provided with the first round gasket.
3. device as claimed in claim 2, it is characterised in that have a fixing nut in the crossing cabin screw rod middle setting,
The fixing nut is used for holding spanner, to rotate the fixing nut.
4. device as claimed in claim 3, it is characterised in that have circular groove, the circle in the fixing nut bottom surface
The second round gasket is placed with connected in star.
5. device as claimed in claim 1, it is characterised in that be perfused with epoxy resin in the cavity of the cylindrical steel cylinder close
Sealing or polyurethane adhesive.
6. device as claimed in claim 4, it is characterised in that the drum-shape sealing ring, first round gasket and institute
The second round gasket is stated to be made of polytetrafluoroethylene (PTFE).
7. the device as described in claim 1~6 is any, it is characterised in that the extruding nut, the crossing cabin screw rod, described
Coupling nut and the cylindrical steel cylinder are made using 316 type stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401453.XA CN104966913B (en) | 2015-07-09 | 2015-07-09 | Sealing protection device for water immersed cable welded joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401453.XA CN104966913B (en) | 2015-07-09 | 2015-07-09 | Sealing protection device for water immersed cable welded joints |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104966913A CN104966913A (en) | 2015-10-07 |
| CN104966913B true CN104966913B (en) | 2017-05-24 |
Family
ID=54220915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510401453.XA Active CN104966913B (en) | 2015-07-09 | 2015-07-09 | Sealing protection device for water immersed cable welded joints |
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| Country | Link |
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| CN (1) | CN104966913B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099741A (en) * | 2016-08-05 | 2016-11-09 | 太仓宏光自控电器设备有限公司 | A kind of Cubicle Gas-Insulated Switchgear |
| CN107046205A (en) * | 2017-02-09 | 2017-08-15 | 无锡百祺电子科技有限公司 | The connector attachment structure of anti-strike-through |
| CN108001650A (en) * | 2017-12-14 | 2018-05-08 | 北京臻迪科技股份有限公司 | Watertight for underwater power pack wears storehouse device and underwater power pack |
| CN108232489A (en) * | 2017-12-19 | 2018-06-29 | 上海晗普新材料科技有限公司 | A kind of insulation water-proof seal terminal |
| CN108832585B (en) * | 2018-07-03 | 2020-02-18 | 国网河北省电力有限公司石家庄供电分公司 | High-voltage cable thermal shrinkage waterproof sealing cap |
| CN109899680B (en) * | 2019-02-22 | 2021-02-19 | 太平洋海洋工程（舟山）有限公司 | Cable cabin penetrating sealing device for FSRU |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816641A (en) * | 1973-05-14 | 1974-06-11 | Viking Industries | Underwater connector and method of making same |
| US6910910B2 (en) * | 2003-08-26 | 2005-06-28 | Ocean Design, Inc. | Dry mate connector |
| CN201234012Y (en) * | 2008-07-27 | 2009-05-06 | 李剑英 | Diving electric cable sealing apparatus |
| CN201805082U (en) * | 2010-07-15 | 2011-04-20 | 勖连科技股份有限公司 | Direct-current power supply connecting device with water-proof function |
| CN204793243U (en) * | 2015-07-09 | 2015-11-18 | 中国石油天然气集团公司 | Cable welded joint sealed protection device in aqueous |
-
2015
- 2015-07-09 CN CN201510401453.XA patent/CN104966913B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104966913A (en) | 2015-10-07 |
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