CN104966913A - Sealing protection device for water immersed cable welded joints - Google Patents
Sealing protection device for water immersed cable welded joints Download PDFInfo
- Publication number
- CN104966913A CN104966913A CN201510401453.XA CN201510401453A CN104966913A CN 104966913 A CN104966913 A CN 104966913A CN 201510401453 A CN201510401453 A CN 201510401453A CN 104966913 A CN104966913 A CN 104966913A
- Authority
- CN
- China
- Prior art keywords
- nut
- cable
- hole
- welded
- steel cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Cable Accessories (AREA)
- Processing Of Terminals (AREA)
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, particularly relate to the seal protecting device of a kind of cable welding joint in water.
Background technology
Drilling and repairing well platform is at sea in operation process, relates to the cable of instrument possibly destroyed or need to lengthen, at this moment just needs by two cable weldings together, the seal protection of pad under water or in oil gas and anticorrosive work significant.In addition, along with expanding economy, marine structures also gets more and more, and in construction and observation process, also may relate to the problems referred to above.A kind of seal protecting device is extensively adopted to realize the seal protection of cable welding joint in water at present.
But, the seal protecting device complex structure of existing cable welding joint in water, expensive, and have not there is antiseptic property.
Summary of the invention
The object of this invention is to provide the seal protecting device of a kind of cable welding joint in water, by the acting in conjunction of drum-shape sealing ring, round gasket, screw thread and fluid sealant, tension protection and waterproof, preserving and sealing protection are carried out to cable welding joint.
The invention provides the seal protecting device of a kind of cable welding joint in water, comprise: cylindrical steel cylinder, described cable welding joint is positioned at described cylindrical steel cylinder, and the two ends of described cylindrical steel cylinder are respectively provided with extruding nut, drum-shape sealing ring, crossing cabin screw rod, coupling nut seal;
Wherein, described extruding nut center of top offers the first through hole, the external diameter of the diameter of described first through hole and the cable to be welded of described cable welding joint one end matches, and described cable to be welded can pass described first through hole, and the inwall of described extruding nut has screw thread;
Described drum-shape sealing ring offers the second through hole, the diameter of described second through hole and the external diameter of described cable to be welded match, and described cable to be welded can pass described second through hole; The external diameter of described drum-shape sealing ring is less than the internal diameter of described extruding nut, and described drum-shape sealing ring is positioned in described extruding nut, by the common squeezing action of described extruding nut and described drum-shape sealing ring, described strain relief clamp to be welded can be fastened;
Threaded engagement on one end of described crossing cabin screw rod and the inwall of described extruding nut, described crossing cabin screw rod offers third through-hole, and diameter and the described outside diameter of cable to be welded of described third through-hole match, and described cable to be welded can pass described third through-hole;
Described coupling nut top is plane, and described coupling nut central authorities offer fourth hole, and described fourth hole has screw thread, and the other end of described crossing cabin screw rod is screwed in described fourth hole, and extrudes the other end that described coupling nut is screwed in described crossing cabin screw rod;
The diameter of the inner chamber of described cylindrical steel cylinder is greater than the external diameter of described cable to be welded, has screw thread, described coupling nut madial wall has screw thread outside the two ends of described cylindrical steel cylinder, and described coupling nut is screwed on the screw thread outside described cylindrical steel cylinder two ends.
Preferably, between described coupling nut and described cylindrical steel cylinder, placement is provided with the first round gasket.
Preferably, in the middle of described crossing cabin screw rod, be provided with a hold-down nut, described hold-down nut is used for holding spanner, to rotate described hold-down nut.
Preferably, in described hold-down nut bottom surface, there is circular groove, in described circular groove, be placed with the second round gasket.
Preferably, epoxy resin sealant or polyurethane adhesive is perfused with in the cavity of described cylindrical steel cylinder.
Preferably, described drum-shape sealing ring, described first round gasket and described second round gasket all make of polytetrafluoroethylene.
Preferably, described extruding nut, described crossing cabin screw rod, described coupling nut and described cylindrical steel cylinder all adopt 316 type stainless steels to make.
The technical scheme provided in the embodiment of the present application, at least has following technique effect or advantage:
The present invention, by the acting in conjunction of sealing ring, sealing gasket, screw thread and fluid sealant, carries out tension protection and waterproof, preserving and sealing protection to cable welding joint.This device is simple to operate, multi-sealed, reliable for effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the seal protecting device of cable welding joint in water, and wherein, the two ends of this device are identical, only mark its one end: 1-cable to be welded, 2-extrudes nut, 3-drum-shape sealing ring, 41,42,43-screw thread, 5-crossing cabin screw rod, 61-second round gasket, 62-first round gasket, 7-coupling nut, the cylindrical steel cylinder of 8-, the pad of 9-two cables, another root of 13-cable to be welded;
Fig. 2 is the schematic diagram of extruding nut, and wherein, 2-extrudes nut, 11-first through hole, 41-screw thread;
Fig. 3 is the schematic diagram of drum-shape sealing ring, wherein, and 3-drum-shape sealing ring, 16-second through hole;
Fig. 4 is the schematic diagram of crossing cabin screw rod, wherein, and 5-crossing cabin screw rod, 12-third through-hole, 14-hold-down nut, 42-screw thread;
Fig. 5 is the schematic diagram of coupling nut, wherein, and 7-coupling nut, 15-fourth hole, 43-screw thread;
Fig. 6 is the schematic diagram of cylindrical steel cylinder, wherein, and the cylindrical steel cylinder of 8-, 10-cavity.
Embodiment
The object of this invention is to provide the seal protecting device of a kind of cable welding joint in water, by the acting in conjunction of drum-shape sealing ring, round gasket, screw thread and fluid sealant, tension protection and waterproof, preserving and sealing protection are carried out to cable welding joint.This device is simple to operate, multi-sealed, reliable for effect.
As shown in Fig. 1 ~ Fig. 5, the seal protecting device two ends of this cable welding joint in water are symmetrical, and be now only introduced one end, this device comprises:
Extruding nut 2, extruding nut 2 center of top has first through hole 11 (not threaded) suitable with cable 1 external diameter to be welded, make cable 1 to be welded can pass extruding nut 2, the inwall of extruding nut 2 has screw thread 41, and its internal diameter and crossing cabin screw rod 5 diameter match;
Drum-shape sealing ring 3, is through on cable 1 to be welded, and the second through hole 16 diameter of drum-shape sealing ring 3 is suitable with cable to be welded 1 external diameter, and external diameter is slightly smaller than the internal diameter of extruding nut 2, is positioned in extruding nut 2.By extruding the common squeezing action of nut 2 and drum-shape sealing ring 3, cable 1 to be welded can be clamped fixing and can not move, realizing the tension protection of welding point, also there is sealing effectiveness simultaneously;
Cylindrical steel cylinder 8, the diameter of the cavity 10 of cylindrical steel cylinder 8 is greater than cable 1 diameter to be welded, has screw thread 42 outside the two ends of steel cylinder;
Coupling nut 7, coupling nut 7 top is plane, and there are fourth hole 15 in central authorities, fourth hole 15 has screw thread 42, for installing crossing cabin screw rod 5; Coupling nut 7 madial wall there is screw thread, is screwed in after padding upper first round gasket 62 on the screw thread outside cylindrical steel cylinder 8 two ends.
Crossing cabin screw rod 5, crossing cabin screw rod 5 is provided with third through-hole 12 (not threaded), and the diameter of third through-hole 12 is suitable with cable to be welded 1 external diameter, makes cable 1 to be welded pass this crossing cabin screw rod 5; A hold-down nut 14 is had in the middle of crossing cabin screw rod 5, holding spanner is used for when crossing cabin screw rod 5 is installed, hold-down nut 14 has circular groove in bottom surface, after placing the second round gasket 61 (depth of groove is less than the thickness of the second round gasket 61), crossing cabin screw rod 5 is screwed in the third through-hole 12 of connection extruding nut 2.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 poured into epoxy resin sealant or polyurethane adhesive.
Further, drum-shape sealing ring 3, second round gasket 61 and the first round gasket 62 all make of the polytetrafluoroethylene that sealing corrosion effect is stronger.
Further, each metal parts (such as: extruding nut 2, crossing cabin screw rod 5, coupling nut 7, cylindrical steel cylinder 8) can make of the 316 type stainless steels that Corrosion Protection is strong.
Due to, the seal protecting device of this cable welding joint in water, two ends are symmetrical, and two-end structure is identical, concrete structure see Fig. 1, so, repeat no more herein.
The using method of the seal protecting device of this cable welding joint in water, specific as follows:
Step S1: by first through hole 11 of cable 1 to be welded through extruding nut 2;
Step S2: after completing above-mentioned steps S1, by second through hole 16 of cable 1 to be welded through drum-shape sealing ring 3;
Step S3: after completing above-mentioned steps S2, by cable 1 to be welded through the third through-hole 12 of crossing cabin screw rod 5, wears to lower end by the upper end of crossing cabin screw rod 5;
Step S4: after completing above-mentioned steps S3, by cable 1 to be welded through the second round gasket 61, is placed in hold-down nut 14 bottom recesses on crossing cabin screw rod 5 by the second round gasket 61;
Step S5: after completing above-mentioned steps S4, by the fourth hole 15 of cable 1 to be welded through coupling nut 7 top;
Step S6: after completing above-mentioned steps S5, by cable 1 to be welded through the first round gasket 62, goes here and there in the lower end of crossing cabin screw rod 5 by the first round gasket 62;
Step S7: after completing above-mentioned steps S6, by the cavity 10 of cable 1 to be welded through cylindrical steel cylinder 8;
Step S8: after completing above-mentioned steps S7, by cable 13 to be welded for another root according to step S1 ~ S6 complete operation;
Step S9: after completing above-mentioned steps S8, cable 1 to be welded and another root cable 13 to be welded are welded together, and the pad 9 to two cables carries out insulation protection with heat-shrink tube and insulating tape;
Step S10: after completing above-mentioned steps S9, is tightened on cylindrical steel cylinder 8 by coupling nut 7 by screw thread 43, is now compressed by the first round gasket 62;
Step S11: after completing above-mentioned steps S10, is tightened in the fourth hole 15 on coupling nut 7, is now compressed by the second round gasket 61 by screw thread 42 by the lower end of crossing cabin screw rod 5;
Step S12: after completing above-mentioned steps S11, is placed on the centre position of the cavity 10 of cylindrical steel cylinder 8 by the pad 9 of two cables;
Step S13: after completing above-mentioned steps S12, is tightened in the upper end of crossing cabin screw rod 5, is now fixed by cable 1 to be welded and can not moves by screw thread 41 by extruding nut 2;
Note: step S10 ~ S13 only treats welding cable 1 and operates, and another root cable 13 to be welded does not still carry out this operation.After completing above-mentioned steps S1 ~ S13, now one end of cable 1 to be welded installs, and requires by the screwed tight of all parts in connection procedure, and one end of another root cable 13 to be welded is still in does not twist state;
Step S14: after completing above-mentioned steps S13, fills the cavity 10 of cylindrical steel cylinder 8 from one end epoxide-resin glue of another root cable to be welded 13 or polyurethane adhesive, can not have bubble.
Note: in step S14 encapsulating process, the pad 9 of two cables should not encountered on cavity 10 inwall of steel cylinder 8.
Step S15: after becoming above-mentioned steps S14, according to step S10 ~ S13, one end of cable 13 to be welded for another root is installed.
Step S16: after completing above-mentioned steps S15, sealing device already installs.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
The present invention, by the acting in conjunction of drum-shape sealing ring, round gasket, screw thread and fluid sealant, carries out tension protection and waterproof, preserving and sealing protection to cable welding joint.This device is simple to operate, multi-sealed, reliable for effect.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. the seal protecting device of a cable welding joint in water, it is characterized in that, comprise: cylindrical steel cylinder, described cable welding joint is positioned at described cylindrical steel cylinder, and the two ends of described cylindrical steel cylinder are respectively provided with extruding nut, drum-shape sealing ring, crossing cabin screw rod, coupling nut seal;
Wherein, described extruding nut center of top offers the first through hole, the external diameter of the diameter of described first through hole and the cable to be welded of described cable welding joint one end matches, and described cable to be welded can pass described first through hole, and the inwall of described extruding nut has screw thread;
Described drum-shape sealing ring offers the second through hole, the diameter of described second through hole and the external diameter of described cable to be welded match, and described cable to be welded can pass described second through hole; The external diameter of described drum-shape sealing ring is less than the internal diameter of described extruding nut, and described drum-shape sealing ring is positioned in described extruding nut, by the common squeezing action of described extruding nut and described drum-shape sealing ring, described strain relief clamp to be welded can be fastened;
Threaded engagement on one end of described crossing cabin screw rod and the inwall of described extruding nut, described crossing cabin screw rod offers third through-hole, and diameter and the described outside diameter of cable to be welded of described third through-hole match, and described cable to be welded can pass described third through-hole;
Described coupling nut top is plane, and described coupling nut central authorities offer fourth hole, and described fourth hole has screw thread, and the other end of described crossing cabin screw rod is screwed in described fourth hole, and extrudes the other end that described coupling nut is screwed in described crossing cabin screw rod;
The diameter of the inner chamber of described cylindrical steel cylinder is greater than the external diameter of described cable to be welded, has screw thread, described coupling nut madial wall has screw thread outside the two ends of described cylindrical steel cylinder, and described coupling nut is screwed on the screw thread outside described cylindrical steel cylinder two ends.
2. device as claimed in claim 1, is characterized in that, places and be provided with the first round gasket between described coupling nut and described cylindrical steel cylinder.
3. device as claimed in claim 2, is characterized in that, in the middle of described crossing cabin screw rod, be provided with a hold-down nut, and described hold-down nut is used for holding spanner, to rotate described hold-down nut.
4. device as claimed in claim 3, is characterized in that in described hold-down nut bottom surface, having circular groove, be placed with the second round gasket in described circular groove.
5. device as claimed in claim 1, is characterized in that, be perfused with epoxy resin sealant or polyurethane adhesive in the cavity of described cylindrical steel cylinder.
6. device as claimed in claim 4, it is characterized in that, described drum-shape sealing ring, described first round gasket and described second round gasket all make of polytetrafluoroethylene.
7. the device as described in as arbitrary in claim 1 ~ 6, is characterized in that, described extruding nut, described crossing cabin screw rod, described coupling nut and described cylindrical steel cylinder all adopt 316 type stainless steels to make.
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 true CN104966913A (en) | 2015-10-07 |
| CN104966913B 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966913B (en) |
Cited By (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 |
| CN108832585A (en) * | 2018-07-03 | 2018-11-16 | 国网河北省电力有限公司石家庄供电分公司 | High-tension cable pyrocondensation waterproof sealing cap |
| CN109899680A (en) * | 2019-02-22 | 2019-06-18 | 太平洋海洋工程（舟山）有限公司 | A kind of cable penetrating sealing device for FSRU |
Citations (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 |
| US7040909B2 (en) * | 2003-08-26 | 2006-05-09 | Cairns James L | 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
Patent Citations (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 |
| US7040909B2 (en) * | 2003-08-26 | 2006-05-09 | Cairns James L | 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 |
Cited By (7)
| 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 |
| CN108832585A (en) * | 2018-07-03 | 2018-11-16 | 国网河北省电力有限公司石家庄供电分公司 | High-tension cable pyrocondensation waterproof sealing cap |
| 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 |
| CN109899680A (en) * | 2019-02-22 | 2019-06-18 | 太平洋海洋工程（舟山）有限公司 | A kind of cable penetrating sealing device for FSRU |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104966913B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104966913A (en) | Sealing protection device for water immersed cable welded joints | |
| CN204793243U (en) | Cable welded joint sealed protection device in aqueous | |
| CN101651320A (en) | Method for connecting and sealing detachable underwater cable and sensor | |
| BR102016020464A2 (en) | METHOD FOR MANUFACTURING A DOUBLE-WALL TUBE SEGMENT | |
| CN204477565U (en) | Flexible extra large pipe connection | |
| CN106049280B (en) | A kind of saddle end seal with double locators | |
| CN202737429U (en) | Underwater cable sealing device | |
| CN106049251B (en) | A kind of multi-layer anticorrosion saddle end seal with double locators | |
| CN206109963U (en) | Anticorrosive saddle end part sealing device of multilayer with two locators | |
| CN216867808U (en) | Civil engineering water supply and drainage pipeline connection structure | |
| CN105780652A (en) | Sealing device, cable saddle sealing connecting structure using sealing device and construction method of cable saddle sealing connecting structure | |
| RU2296264C1 (en) | Device for sealing pipes and pipe joints | |
| CN106337970B (en) | Submarine pipeline construction method | |
| CN203080700U (en) | Flexible sealing and separating device of deep hole of building | |
| US9912139B2 (en) | Electrical penetrator assembly | |
| CN104896255B (en) | A kind of maintenance fixture of the compliant riser based on ROV operation | |
| CN106087743B (en) | A kind of droplet-shaped saddle end seal | |
| RU190355U1 (en) | ELECTRO-ISOLATING PIPELINE CONNECTION | |
| CN107245940B (en) | Device and method for sealing arch rib open holes of concrete filled steel tube arch bridge | |
| CN202894641U (en) | Steel pipe clamping device for umbilical cable test joint | |
| CN106764097B (en) | A kind of leading-out wiring structure and its mode of connection of buried PE pipe inside tracing line | |
| CN210669486U (en) | Hydraulic instrument cable end waterproof device | |
| CN205172130U (en) | Safe firm formula anticorrosion signal tower | |
| CN211344358U (en) | Drainage corrugated pipe capable of preventing bottom leakage | |
| CN220688132U (en) | Overflow valve assembly convenient to install |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |