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CN209150703U - A kind of end sealing device of deep water sea cable - Google Patents

A kind of end sealing device of deep water sea cable Download PDF

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Publication number
CN209150703U
CN209150703U CN201821961310.XU CN201821961310U CN209150703U CN 209150703 U CN209150703 U CN 209150703U CN 201821961310 U CN201821961310 U CN 201821961310U CN 209150703 U CN209150703 U CN 209150703U
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CN
China
Prior art keywords
sea cable
outer sleeve
gum cover
positioning convex
convex platform
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CN201821961310.XU
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Chinese (zh)
Inventor
张永明
夏峰
丰如男
周则威
黄韵
陈磊
李国林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO ORIENT WIRES CABLES CO Ltd
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NINGBO ORIENT WIRES CABLES CO Ltd
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Priority to CN201821961310.XU priority Critical patent/CN209150703U/en
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Abstract

The utility model discloses a kind of end sealing devices of deep water sea cable, feature be include outer sleeve and interior gum cover, interior gum cover is arranged in outer sleeve, at least one end of interior gum cover is provided with sea cable end fixing seal mechanism, sea cable end fixing seal mechanism is arranged in outer sleeve, it is provided with multiple limbers on outer sleeve, insulating oil or fruit juice gel are filled in interior gum cover;Advantage is when the sealing device is put into deepwater regions, pressure and external hydraulic balance inside interior gum cover, so that the sealing device is in the environment of a stable, approximate zero pressure difference, to ensure that its excellent sealing under deepwater environment, the deepwater environment maying be used within 3000 meters.

Description

A kind of end sealing device of deep water sea cable
Technical field
The utility model relates to the end seals technology of sea cable in field of cables more particularly to a kind of ends of deep water sea cable Sealing device.
Background technique
Deep water sea cable mainly needs end seals in both cases, prevents sea cable inner inlet and whole cable is caused to be scrapped, First is that if an emergency situation is encountered (as there was an abrupt change in weather, stormy waves is more than allowed band), in the laid processes of deep water sea cable Deep water sea cable is cut off, allows to lay ship region out of danger in time, at this time, it may be necessary to the end seals of deep water sea cable;Two It is with some facilities with the use of (such as floating platform), under normal usage, deep water sea cable is connect with floating platform, and is worked as Floating platform encounters maintenance or when bad weather needs to be detached from, and deep water sea cable needs to be detached from floating platform, deposits in seabed, The end of deep water sea cable is also required to seal at this time.
There are mainly three types of modes for submerged cable end seals at present: rubber filling type, Mechanical Sealed Type, lead sealing formula or these three shapes The combination sealing of formula, but as the increase of the depth of water, such as the depth of water reach 300m or more, these sealing means are difficult to keep out the pressure of deep water Power and fail, cause end to intake.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of to can guarantee the depth of excellent sealing under deepwater environment The end sealing device of water sea cable.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of end seals of deep water sea cable fill It sets, including outer sleeve and interior gum cover, the interior glue is set in the outer sleeve, at least one end of the interior gum cover It is provided with sea cable end fixing seal mechanism, the sea cable end fixing seal mechanism is arranged in the outer sleeve, institute It is provided with multiple limbers on the outer sleeve stated, fills insulating oil or fruit juice gel in the interior gum cover.
Further, the sea cable end fixing seal mechanism include the thrust sleeve being sequentially sleeved on sea cable end, The end of cone seal block, briquetting, claw type fixator and stationary gland, the interior gum cover has been wholely set the first convex Platform, the inner surface of the outer sleeve have been wholely set the second positioning convex platform, and first positioning convex platform is against described the On two positioning convex platforms, the thrust sleeve offsets and is fitted close with first positioning convex platform, the cone seal The stub end of block offsets with the thrust sleeve, and the briquetting covers on the small head end of the cone seal block, and institute The inner surface configuration for the briquetting stated and the external surface shape of the cone seal block match, and the claw type fixator is used for Fixed sea cable, the claw type fixator are against on the briquetting, and the stationary gland and the outer sleeve screw thread connect It connects, and the stationary gland is pressed on the claw type fixator.
Further, the note being connected with the interior gum cover is provided in the outer sleeve and the thrust sleeve Jiao Kou is fixedly installed the chock plug sealed engagement therewith in the gum-injecting port.
Further, be wholely set the first taper positioning convex platform in the thrust sleeve, the outer sleeve it is interior Surface has been wholely set the second taper positioning convex platform, the first taper positioning convex platform and the second taper positioning convex platform It offsets, facilitates the alignment of the gum-injecting port on outer sleeve and thrust sleeve with this configuration.
Further, the material of the interior gum cover and the cone seal block is nitrile rubber.
Further, the claw type fixator includes taper fixing seat, the stub end one of the taper fixing seat Multiple cleft hands being distributed uniformly and circumferentially are provided with, the inner surface of the cleft hand has been wholely set a plurality of axially spaced Block is grabbed in distribution, and the cleft hand offsets with the briquetting, the stationary gland cover in the taper fixing seat and Match with the shape of the taper fixing seat.
Compared with prior art, the utility model has the advantages that due to being provided with multiple limbers, interior gum cover on outer sleeve Insulating oil or fruit juice gel are inside filled, the pressure and external water when the sealing device is put into deepwater regions, inside interior gum cover Weighing apparatus is flattened, so that the sealing device is in the environment of a stable, approximate zero pressure difference, to ensure that it under deepwater environment Excellent sealing, the deepwater environment maying be used within 3000 meters.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the claw type fixator of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown, a kind of end sealing device of deep water sea cable, including outer sleeve 1 and interior gum cover 2, interior gum cover 2 are arranged In outer sleeve 1, one end of interior gum cover 2 is provided with sea cable end fixing seal mechanism, the setting of sea cable end fixing seal mechanism In outer sleeve 1, the other end of outer sleeve 1 and interior gum cover 2 is closed end, and sea cable end fixing seal mechanism includes successively covering Thrust sleeve 3, cone seal block 4, briquetting 5, claw type fixator 6 and stationary gland 7 on sea cable end, the end of interior gum cover 2 Portion has been wholely set the first positioning convex platform 21, and the inner surface of outer sleeve 1 has been wholely set the second positioning convex platform 11, the first convex Platform 21 is against on the second positioning convex platform 11, and thrust sleeve 3 offsets and is fitted close with the first positioning convex platform 21, in thrust sleeve 3 It is wholely set the first taper positioning convex platform 31, the inner surface of outer sleeve 1 has been wholely set the second taper positioning convex platform (in figure not Mark), the first taper positioning convex platform 31 offsets with the second taper positioning convex platform, the stub end and thrust sleeve 3 of cone seal block 4 Offset, 5 sets of briquetting on the small head end of cone seal block 4, and the outer surface of the inner surface configuration of briquetting 5 and cone seal block 4 Shape matches, and claw type fixator 6 includes taper fixing seat 61 for fixing sea cable, claw type fixator 6, taper fixing seat 61 Stub end is wholely set multiple cleft hands 62 being distributed uniformly and circumferentially, and the inner surface of cleft hand 62 has been wholely set a plurality of edge Block 63 is grabbed in axially spaced-apart distribution, and cleft hand 62 offsets with briquetting 5, and stationary gland 7 is threadedly coupled with outer sleeve 1, and stationary gland 7 Cover in taper fixing seat 61 and match with the shape of taper fixing seat 61, be provided on outer sleeve 1 and thrust sleeve 3 with it is interior The gum-injecting port that gum cover 2 is connected is provided with the chock plug 8 sealed engagement therewith in gum-injecting port, fills insulating oil or fruit in interior gum cover 2 Frozen glue is provided with multiple limbers 12 on outer sleeve 1.
In above-described embodiment, in addition to the structure shown in the attached drawing, it is close the fixation of sea cable end can also to be respectively provided at the both ends of interior gum cover 2 The both ends of sealing mechanism, outer sleeve 1 and interior gum cover 2 are open end.
In above-described embodiment, the end of deep water sea cable and the connection procedure of the sealing device are as follows: by stationary gland 7, claw type Fixator 6, briquetting 5, cone seal block 4, thrust sleeve 3, interior gum cover 2 and outer sleeve 1 are sequentially sleeved on the end of deep water sea cable, Then interior gum cover 2, thrust sleeve 3, cone seal block 4, briquetting 5, claw type fixator 6 are successively filled in outer sleeve 1, will be fixed Gland 7 and 1 bolt of outer sleeve, and inwardly the direction compression thrust sleeve 3 of gum cover 2, cone seal block 4, briquetting 5 and claw type are solid Determine device 6, so that the first positioning convex platform 21 of thrust sleeve 3 and interior gum cover 2 is fitted close, cone seal block 4 generates change after being pressurized Shape and outer surface and the thrust sleeve 3 for pressing sea cable end make interior gum cover 2, thrust sleeve 3, cone seal block 4 and sea cable end Between formed a seal cavity, and claw type fixator 6 under the pressing of stationary gland 7 its cleft hand 62 gathering and by grabbing block 63 Catch the oversheath of sea cable end, realize the fixation of sea cable end, then filled in inside gum cover 2 from gum-injecting port insulating oil or Fruit juice gel, chock plug 8 is finally stoppered on gum-injecting port makes its sealing.
Sea cable with the sealing device is placed in deepwater regions, under the action of water pressure, external water passes through outer sleeve 1 On limbers 12 enter outer sleeve 1 in, external water pressure acts on interior gum cover 2, so that interior gum cover 2 is generated certain compressive deformation, To make external water pressure be transmitted to insulating oil or fruit juice gel inside interior gum cover 2, make the pressure and outside inside interior gum cover 2 Hydraulic balance, so that the environment of zero pressure difference that 4 two sides of cone seal block keep relative stability, approximate, to ensure that the sealing Excellent sealing of the device under deepwater environment.

Claims (6)

1. a kind of end sealing device of deep water sea cable, it is characterised in that including outer sleeve and interior gum cover, the interior gum cover is set It sets in the outer sleeve, at least one end of the interior gum cover is provided with sea cable end fixing seal mechanism, the sea Cable-end head fixing seal mechanism is arranged in the outer sleeve, and multiple limbers are provided on the outer sleeve, described Insulating oil or fruit juice gel are filled in interior gum cover.
2. a kind of end sealing device of deep water sea cable as described in claim 1, it is characterised in that: the sea cable end is solid Determining sealing mechanism includes the thrust sleeve being sequentially sleeved on sea cable end, cone seal block, briquetting, claw type fixator and fixed pressure Lid, the end of the interior gum cover have been wholely set the first positioning convex platform, and the inner surface of the outer sleeve has been wholely set the Two positioning convex platforms, first positioning convex platform are against on second positioning convex platform, the thrust sleeve and described First positioning convex platform offsets and is fitted close, and stub end and the thrust sleeve of the cone seal block offset, described Briquetting cover on the small head end of the cone seal block, and the inner surface configuration of the briquetting and the cone seal The external surface shape of block matches, and the claw type fixator is against described for fixing sea cable, the claw type fixator On briquetting, the stationary gland is threadedly coupled with the outer sleeve, and the stationary gland is pressed in the claw type and consolidates Determine on device.
3. a kind of end sealing device of deep water sea cable as claimed in claim 2, it is characterised in that: the outer sleeve and institute It is provided with the gum-injecting port being connected with the interior gum cover in the thrust sleeve stated, is provided in the gum-injecting port and is sealed with it The chock plug of cooperation.
4. a kind of end sealing device of deep water sea cable as claimed in claim 3, it is characterised in that: in the thrust sleeve It is wholely set the first taper positioning convex platform, the inner surface of the outer sleeve has been wholely set the second taper positioning convex platform, institute The the first taper positioning convex platform stated offsets with the second taper positioning convex platform.
5. a kind of end sealing device of deep water sea cable as claimed in claim 2, it is characterised in that: the interior gum cover and institute The material for the cone seal block stated is nitrile rubber.
6. a kind of end sealing device of deep water sea cable as claimed in claim 2, it is characterised in that: the claw type fixator Including taper fixing seat, the stub end of the taper fixing seat is wholely set multiple pawls being distributed uniformly and circumferentially Hand, the inner surface of the cleft hand are wholely set the block of grabbing of a plurality of axially spaced distribution, the cleft hand and the pressure Block offsets, and the stationary gland covers in the taper fixing seat and matches with the shape of the taper fixing seat.
CN201821961310.XU 2018-11-27 2018-11-27 A kind of end sealing device of deep water sea cable Active CN209150703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821961310.XU CN209150703U (en) 2018-11-27 2018-11-27 A kind of end sealing device of deep water sea cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821961310.XU CN209150703U (en) 2018-11-27 2018-11-27 A kind of end sealing device of deep water sea cable

Publications (1)

Publication Number Publication Date
CN209150703U true CN209150703U (en) 2019-07-23

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CN201821961310.XU Active CN209150703U (en) 2018-11-27 2018-11-27 A kind of end sealing device of deep water sea cable

Country Status (1)

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CN (1) CN209150703U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109347054A (en) * 2018-11-27 2019-02-15 宁波东方电缆股份有限公司 A kind of end sealing device of deep water sea cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109347054A (en) * 2018-11-27 2019-02-15 宁波东方电缆股份有限公司 A kind of end sealing device of deep water sea cable
CN109347054B (en) * 2018-11-27 2024-02-02 宁波东方电缆股份有限公司 End sealing device of deep water sea cable

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