CN208874232U - A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring - Google Patents
A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring Download PDFInfo
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- CN208874232U CN208874232U CN201821461105.7U CN201821461105U CN208874232U CN 208874232 U CN208874232 U CN 208874232U CN 201821461105 U CN201821461105 U CN 201821461105U CN 208874232 U CN208874232 U CN 208874232U
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Abstract
The utility model discloses a kind of non-underwater optoelectronic composite cable sealing fastening devices of armouring, main body is fastened including sealing, sealing fastening main body includes the fastening part and hermetic unit of integral type, is equipped with interconnected fastening chamber and seal chamber in fastening part and hermetic unit；It fastens intracavitary portion and fastens tapered sleeve equipped with split-type, split-type fastening tapered sleeve radially opens up outside groove and inboard groove respectively on outer circumference and inner periphery, stainless steel steel ring is wound in the groove of outside, it fastens chamber end and is equipped with fastening nut, be equipped with compress gasket between fastening nut and split-type fastening tapered sleeve；Multiple sealing rings are set in seal chamber, and setting sealing plain cushion, seal chamber end are arranged sealing nut, sealed pressure pad are arranged between sealing nut and sealing ring between adjacent sealing ring；Locking pressing plate is installed between sealing fastening main body and sealing nut；Sealing fastening device waterproof sealing effect disclosed in the utility model is good, guarantees the sealing reliability of optoelectronic composite cable.
Description
Technical field
The utility model relates to submarine cable water-tight equipment, in particular to a kind of underwater optoelectronic composite cable sealing of non-armouring is tight
It is fixedly mounted with and sets.
Background technique
Underwater optoelectronic composite cable is separated cable therein with optical fiber by photodetachment cabin, and electric energy is supplied to seabed and is seen
Each equipment in survey grid, while communication is established between submarine observation equipment and on the bank base station, it is the important set of submarine observation network
At part.
Crossing cabin sealing performance of the optoelectronic composite cable in photodetachment cabin is the key that guarantee submarine observation network reliability service.
Under the action of the external force such as ocean current impact, fishing net towing, underwater optoelectronic composite cable will appear the situations such as bending, stretching, this can be tight
Ghost image rings the effect of optoelectronic composite cable crossing cabin sealing, and making the operation of submarine observation network, there are serious security risks.
Overland cable clamp device can carry out good fixation to cable, not be able to satisfy underwater sealing requirement, Bu Nengzhi
It connects and indiscriminately imitates use.Existing underwater sealing clamp device is mainly applied to the fastening load-bearing of armouring optoelectronic composite cable.How needle
The problem of fixation is those skilled in the art's urgent need to resolve is sealed to underwater non-armouring optoelectronic composite cable.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of underwater optoelectronic composite cable sealing fastening dress of non-armouring
It sets, prevents the optoelectronic composite cable at the crossing cabin sealing of photodetachment cabin from bending, stretching occur to reach, influence crossing cabin sealing performance
Purpose.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring, including sealing fastening main body, the sealing fastening master
Body includes the fastening part and hermetic unit of integral type, is equipped with interconnected fastening chamber in the fastening part and hermetic unit
And seal chamber, the fastening chamber and seal chamber are oppositely arranged cone-shaped cavity；The intracavitary portion of fastening is fastened equipped with split-type
Tapered sleeve, the split-type fastening tapered sleeve radially open up outside groove and inboard groove, institute respectively on outer circumference and inner periphery
It states and is wound with stainless steel steel ring in the groove of outside, the fastening chamber end is equipped with fastening nut, the fastening nut and split-type
It fastens and is equipped with compress gasket between tapered sleeve；Multiple sealing rings are set in the seal chamber, sealing is set between adjacent sealing ring
Plain cushion, the seal chamber end are arranged sealing nut, sealed pressure pad are arranged between the sealing nut and sealing ring；The sealing
Locking pressing plate is installed between fastening main body and sealing nut；The optoelectronic composite cable passes through the fastening nut, compress gasket, divides
Flap-type fastens tapered sleeve, sealing ring, sealing plain cushion, sealed pressure pad and sealing nut.
In above scheme, the split-type fastening tapered sleeve includes three arc-shaped vertebras around optoelectronic composite cable excircle
Body opens up groove on the outside of twice on the excircle of the arc-shaped centrum, at least three inboard grooves is opened up on inner periphery.
In further technical solution, excircle and the fastening chamber cavity inner wall of the split-type fastening tapered sleeve are closely pasted
It closes, the inner periphery of the split-type fastening tapered sleeve is equal to the maximum gauge of optoelectronic composite cable.
In above scheme, the fastening chamber end opens up fastening internal screw thread, and the fastening nut top has and fastens interior spiral shell
The external screw thread of line cooperation, the fastening nut lower part are cylindrical body, and the fastening nut center is provided in the axial direction with for photoelectricity
The through-hole that composite rope passes through.
In above scheme, it is in U shape, centre is provided with wears for optoelectronic composite cable that the compress gasket, which is metal material,
The through-hole crossed, the fastening nut lower cylinder are pressed in inside the U shape of compress gasket.
In above scheme, the sealing ring is the rubber centrum that taper can be fitted closely with seal chamber cavity, and centre is provided with
For the through-hole that optoelectronic composite cable passes through, the sealing ring is arranged three, and the sealing plain cushion is arranged two, the sealing plain cushion
For metal material, centre is provided with the through-hole passed through for optoelectronic composite cable, and the outer diameter of the sealing plain cushion is less than the sealing ring
The maximum gauge of centrum.
In above scheme, the sealed pressure pad is identical as compress gasket structure, and the seal chamber end opens up spiral shell in sealing
There is the external screw thread with sealing screw-internal thread fit at line, the sealing nut middle part, and the sealing nut top is positive hexagonal column,
Lower part is cylindrical body, is pressed in inside the U shape of sealed pressure pad, and sealing nut center is provided with compound for photoelectricity along axial direction
The through-hole that cable passes through, the positive hexagonal column side are provided in the threaded hole of locking pressing plate connection.
In above scheme, the sealing fastening device further includes support baseboard and the support for being used to support sealing fastening main body
Vertical plate, the sealing fastening main body passes through supporting vertical plate middle through-hole, and supporting vertical plate is located at fastening part and sealing divides it
Between, the support baseboard bottom is provided with plugs into the connecting hole that box connect with submarine observation host.
In above scheme, hermetic unit one end of the sealing fastening main body opens up the bolt hole connecting with locking pressing plate.
In above scheme, fastening part one end of the sealing fastening main body is additionally provided with the company connecting with photodetachment cabin
Acting flange.
Through the above technical solutions, the underwater optoelectronic composite cable sealing fastening device of non-armouring provided by the utility model passes through
Stainless steel steel ring and fastening nut increase the deformation of tapered sleeve, it is multiple to increase photoelectricity to the dual-pressure of split-type fastening tapered sleeve
It closes cable and fastens the frictional force between tapered sleeve, play the role of being fixedly clamped to optoelectronic composite cable.
The utility model uses three sections of conical seal rings, meets the requirement of sealing reliability.The utility model passes through company
Acting flange and photodetachment cabin are rigidly connected, and ensure that the sealing of optoelectronic composite cable crossing cabin is preceding when by external force, will not produce
It raw situations such as stretching, bending, greatly reduces crossing cabin and seals the risk being destroyed.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is a kind of non-underwater optoelectronic composite cable sealing fastening device signal of armouring disclosed in the utility model embodiment
Figure；
Fig. 2 is fit sealing main body schematic diagram disclosed in the utility model embodiment；
Fig. 3 is fastening nut schematic diagram disclosed in the utility model embodiment；
Fig. 4 a is sealing nut side sectional view disclosed in the utility model embodiment；
Fig. 4 b is sealing nut front view disclosed in the utility model embodiment；
Fig. 5 a is that split-type disclosed in the utility model embodiment fastens tapered sleeve monomer side view；
Fig. 5 b is that split-type disclosed in the utility model embodiment fastens tapered sleeve monomer front view；
Fig. 6 is sealing ring schematic diagram disclosed in the utility model embodiment；
Fig. 7 is compress gasket schematic diagram disclosed in the utility model embodiment.
In figure, 1, sealing fastening main body；2, split-type fastens tapered sleeve；3, stainless steel steel ring；4, optoelectronic composite cable；5, it fastens
Nut；6, compress gasket；7, sealing ring；8, plain cushion is sealed；9, sealing nut；10, sealed pressure pad；11, chamber is fastened；12, it seals
Chamber；13, locking pressing plate；14, support baseboard；15, supporting vertical plate；16, connecting hole；17, connecting flange；18, internal screw thread is fastened；
19, internal screw thread is sealed；21, outside groove；22, inboard groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The utility model provides a kind of underwater optoelectronic composite cable sealing fastening device of non-armouring, as shown in Figure 1, the device
It can effectively improve the crossing cabin leakproofness of underwater optoelectronic composite cable.
The underwater optoelectronic composite cable sealing fastening device of non-armouring as depicted in figs. 1 and 2, including sealing fastening main body 1, it is close
It is tamping the fastening part and hermetic unit that solid main body includes integral type, fastening part and hermetic unit are interior tight equipped with what is be interconnected
Gu chamber 11 and seal chamber 12, fasten chamber 11 and seal chamber 12 is oppositely arranged cone-shaped cavity.
It fastens and is equipped with split-type fastening tapered sleeve 2 inside chamber 11, as shown in figure 5a and 5b, split-type fastens tapered sleeve 2 in outer circle
Outside groove 21 and inboard groove 22 are radially opened up on week and inner periphery respectively, is wound with stainless steel steel ring in outside groove 21
3, for compressing split-type fastening tapered sleeve 2.Split-type fastening tapered sleeve 2 includes three circles around 4 excircle of optoelectronic composite cable
Arc centrum opens up groove 21 on the outside of twice on the excircle of arc-shaped centrum, at least three inboard grooves is opened up on inner periphery
22.The excircle of split-type fastening tapered sleeve 2 is fitted closely with fastening 11 cavity inner wall of chamber, and split-type fastens the inner periphery of tapered sleeve 2
Equal to the maximum gauge of optoelectronic composite cable 4.
It fastens 11 end of chamber and is equipped with fastening nut 5, fastening 11 end of chamber opens up fastening internal screw thread 18, as shown in figure 3, fastening
The external screw thread cooperated with fastening internal screw thread 18 is arranged at 5 top of nut, and 5 lower part of fastening nut is cylindrical body, and fastening nut 5 is hit exactly along axis
To offering the through-hole passed through for optoelectronic composite cable.
It is equipped with compress gasket 6 between fastening nut 5 and split-type fastening tapered sleeve 2, as shown in fig. 7, compress gasket 6 is metal
Material is in U shape, and centre is provided with the through-hole passed through for optoelectronic composite cable 4, and 5 lower cylinder of fastening nut is pressed in
Inside the U shape of tight gasket.
Multiple sealing rings 7 are set in seal chamber 12, setting sealing plain cushion 8 between adjacent sealing ring 7, as shown in fig. 6, close
Seal 7 is the rubber centrum that taper can be fitted closely with 12 cavity of seal chamber, and centre is provided with to be led to for what optoelectronic composite cable passed through
Hole, sealing ring 7 are arranged three, and sealing plain cushion 8 is arranged two, and sealing plain cushion 8 is metal material, and centre is provided with compound for photoelectricity
The outer diameter of the through-hole that cable 4 passes through, sealing plain cushion 8 is less than the maximum gauge of 7 centrum of sealing ring.
Sealing nut 9 is arranged in 12 end of seal chamber, and sealed pressure pad 10, sealing pressure are arranged between sealing nut 9 and sealing ring 7
Pad 10 is identical as 6 structure of compress gasket, and 12 end of seal chamber opens up sealing internal screw thread 19, have in the middle part of sealing nut 9 in sealing
The external screw thread that screw thread 19 cooperates, as shown in figures 4 a and 4b, 9 top of sealing nut are positive hexagonal column, and lower part is cylindrical body,
It is pressed in inside the U shape of sealed pressure pad 10, the center of sealing nut 9 is provided with along axial direction to be led to for what optoelectronic composite cable passed through
Hole, positive hexagonal column side are provided in the threaded hole of locking pressing plate connection.
As shown in Figure 1, installing locking pressing plate 13 between sealing fastening main body 1 and sealing nut 9；Sealing fastening main body 1
Hermetic unit one end opens up the bolt hole connecting with locking pressing plate 13.
Sealing fastening device further includes the support baseboard 14 and supporting vertical plate 15 for being used to support sealing fastening main body 1, sealing
It fastens main body 1 and passes through 15 middle through-hole of supporting vertical plate, and supporting vertical plate 15 supports bottom between fastening part and hermetic unit
14 bottom of plate is provided with plugs into the connecting hole 16 that box connect with submarine observation host.Fastening part one end of sealing fastening main body 1 is also
It is provided with the connecting flange 17 connecting with photodetachment cabin.
The line of certain length is reserved in requirement according to photodetachment to cable after optoelectronic composite cable 4 passes through fastening nut 5
Three pieces of split-types are fastened on the optoelectronic composite cable 4 that tapered sleeves 2 are stuck among fastening nut 5 and sealing fastening main body 1, are being divided by cable
Flap-type fastens 2 to 3 circle stainless steel steel ring 3 of winding at 2 outside groove 21 of tapered sleeve, makes to fasten the generation radial compression deformation of tapered sleeve 2, pressure
Tight optoelectronic composite cable 4, while fastening 2 interior grooves 22 of tapered sleeve and can increase rubbing for fastening tapered sleeve 2 and optoelectronic composite cable 4 after deformation
Power is wiped, optoelectronic composite cable 4 is tentatively clamped.
Slow drag photoelectric composite cable 4 fastens the split-type fastening push-in sealing of tapered sleeve 2 in the fastening chamber 11 of main body 1, and
Compress gasket 6 is pressed at split-type fastening 2 big end of tapered sleeve, rotational fastener nut 5 fastens spiral shell under the action of interior external screw thread
Cap 5 pushes compress gasket 6 to compress split-type fastening tapered sleeve 2 in the axial direction.Compress gasket 6 can prevent from screwing in fastening nut 52
Split-type fastening tapered sleeve 2 is rotated with fastening nut 5 in journey, reverses optoelectronic composite cable 4, and can make fastening 2 uniform-compression of tapered sleeve, and three
Block fastens tapered sleeve 2 and uniformly generates deformation, can play the role of clamping optoelectronic composite cable 4 simultaneously.In axial compressive force and fastening chamber
Under the action of 11 inner walls, so that fastening tapered sleeve 2 is generated deformation again, compress optoelectronic composite cable.
After the assembly for completing fastening part, sealing ring 7, sealing plain cushion 8, sealed pressure pad 10 are sequentially loaded into fastening in order
In the seal chamber 12 of sealed body, 9 top hexagon cylinder of spanner rotary seal nut, screwing hermetic nut 9, by close are used
Pressure pad 10 is sealed, and sealing plain cushion 8 makes three sections of sealing rings 7 generate deformation in axial compression, sealed pressure pad, sealing plain cushion 8 can prevent
Sealing ring 7 is rotated with sealing nut 9 in 9 screwing operations of sealing nut, reverses optoelectronic composite cable 4, and can make three sections of sealing rings 7
Uniform-compression fills up the gap between optoelectronic composite cable 4, so that three sections of sealing rings 7 is each served as sealing function, improves sealing
Reliability.
Hermetic unit after the assembly is completed, by 13 sets of locking pressing plate sealing fastening 1 outer circle of main body and 9 top of sealing nut it
Between, locking pressing plate 13 and sealing fastening main body 1 and sealing nut 9 are connected in one by the through-hole bolt on locking pressing plate 13
It rises, prevents sealing nut 9 from generating loosening, cause 7 deformation quantity of sealing ring insufficient, generate leakage.
After completing the above work, the mounting O-shaped sealing ring in the groove on the connecting flange 17 of sealing fastening main body 1 leads to
Through-hole on the overstocked connecting flange 17 for being tamping solid main body 1, the sealing fastening main body 1 for being completed assembly using bolt and photoelectricity point
It is connected from cabin, to obtain end fastening and sealing before sealing 4 crossing cabin of optoelectronic composite cable, guarantees that optoelectronic composite cable will not be because of external force
Situations such as effect leads to the problem of bending, stretches causes the crossing cabin seal failure of photodetachment cabin.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of underwater optoelectronic composite cable sealing fastening device of non-armouring, which is characterized in that main body is fastened including sealing, it is described close
It is tamping the fastening part and hermetic unit that solid main body includes integral type, is equipped with and is interconnected in the fastening part and hermetic unit
Fastening chamber and seal chamber, the fastening chamber and seal chamber are oppositely arranged cone-shaped cavity；The intracavitary portion of fastening, which is equipped with, to be divided
Flap-type fastens tapered sleeve, and the split-type fastening tapered sleeve radially opens up outside groove and inside respectively on outer circumference and inner periphery
Groove, is wound with stainless steel steel ring in the outside groove, and the fastening chamber end is equipped with fastening nut, the fastening nut with
Split-type, which fastens, is equipped with compress gasket between tapered sleeve；Multiple sealing rings are set in the seal chamber, are set between adjacent sealing ring
Sealing plain cushion is set, the seal chamber end is arranged sealing nut, sealed pressure pad is arranged between the sealing nut and sealing ring；Institute
It states and locking pressing plate is installed between sealing fastening main body and sealing nut；The optoelectronic composite cable passes through the fastening nut, compression
Gasket, split-type fastening tapered sleeve, sealing ring, sealing plain cushion, sealed pressure pad and sealing nut.
2. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Split-type fastening tapered sleeve includes three arc-shaped centrums around optoelectronic composite cable excircle, the outer circle of the arc-shaped centrum
Groove on the outside of twice is opened up on week, and at least three inboard grooves are opened up on inner periphery.
3. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 2, which is characterized in that described
The excircle of split-type fastening tapered sleeve is fitted closely with fastening chamber cavity inner wall, and the inner periphery of the split-type fastening tapered sleeve is equal to
The maximum gauge of optoelectronic composite cable.
4. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Fastening chamber end opens up fastening internal screw thread, and the external screw thread with fastening screw-internal thread fit, the fastening are arranged at the fastening nut top
Nut lower part is cylindrical body, and the fastening nut center is provided in the axial direction with the through-hole passed through for optoelectronic composite cable.
5. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Compress gasket is metal material, is in U shape, and centre is provided with the through-hole passed through for optoelectronic composite cable, under the fastening nut
Portion's cylindrical body is pressed in inside the U shape of compress gasket.
6. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Sealing ring is the rubber centrum that taper can be fitted closely with seal chamber cavity, and centre is provided with to be led to for what optoelectronic composite cable passed through
Hole, the sealing ring are arranged three, and the sealing plain cushion is arranged two, and the sealing plain cushion is metal material, and centre is provided with can
For the through-hole that optoelectronic composite cable passes through, the outer diameter of the sealing plain cushion is less than the maximum gauge of the sealing ring centrum.
7. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Sealed pressure pad is identical as compress gasket structure, and the seal chamber end opens up sealing internal screw thread, have in the middle part of the sealing nut with
The external screw thread of screw-internal thread fit is sealed, the sealing nut top is positive hexagonal column, and lower part is cylindrical body, is pressed in sealing
Inside the U shape of pressure pad, sealing nut center is provided with the through-hole passed through for optoelectronic composite cable, positive six side along axial direction
Shape column side face is provided in the threaded hole of locking pressing plate connection.
8. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Sealing fastening device further includes the support baseboard and supporting vertical plate for being used to support sealing fastening main body, and the sealing fastening main body is worn
Supporting vertical plate middle through-hole is crossed, and supporting vertical plate, between fastening part and hermetic unit, the support baseboard bottom is provided with
It plugs into the connecting hole that box connect with submarine observation host.
9. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that described
Hermetic unit one end of sealing fastening main body opens up the bolt hole connecting with locking pressing plate.
10. a kind of non-underwater optoelectronic composite cable sealing fastening device of armouring according to claim 1, which is characterized in that institute
The fastening part one end for stating sealing fastening main body is additionally provided with the connecting flange connecting with photodetachment cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461105.7U CN208874232U (en) | 2018-09-06 | 2018-09-06 | A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461105.7U CN208874232U (en) | 2018-09-06 | 2018-09-06 | A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring |
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| Publication Number | Publication Date |
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| CN208874232U true CN208874232U (en) | 2019-05-17 |
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ID=66467027
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821461105.7U Active CN208874232U (en) | 2018-09-06 | 2018-09-06 | A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256741A (en) * | 2018-09-06 | 2019-01-22 | 山东省科学院海洋仪器仪表研究所 | A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring |
| CN110333057A (en) * | 2019-07-02 | 2019-10-15 | 合肥海川石化设备有限公司 | A kind of deep well submerged electric pump motor water pressure test tank |
| CN111900573A (en) * | 2020-08-04 | 2020-11-06 | 同济大学 | Photoelectric separation connection cavity of ocean photoelectric composite cable and sealing detection method |
| CN112510638A (en) * | 2020-11-09 | 2021-03-16 | 广州海洋地质调查局 | Withstand voltage waterproof connection of compound submarine cable of photoelectricity |
-
2018
- 2018-09-06 CN CN201821461105.7U patent/CN208874232U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256741A (en) * | 2018-09-06 | 2019-01-22 | 山东省科学院海洋仪器仪表研究所 | A kind of underwater optoelectronic composite cable sealing fastening device of non-armouring |
| CN109256741B (en) * | 2018-09-06 | 2024-05-07 | 山东省科学院海洋仪器仪表研究所 | Non-armoured underwater photoelectric composite cable sealing and fastening device |
| CN110333057A (en) * | 2019-07-02 | 2019-10-15 | 合肥海川石化设备有限公司 | A kind of deep well submerged electric pump motor water pressure test tank |
| CN111900573A (en) * | 2020-08-04 | 2020-11-06 | 同济大学 | Photoelectric separation connection cavity of ocean photoelectric composite cable and sealing detection method |
| CN111900573B (en) * | 2020-08-04 | 2021-07-23 | 同济大学 | Photoelectric separation connection cavity of ocean photoelectric composite cable and sealing detection method |
| CN112510638A (en) * | 2020-11-09 | 2021-03-16 | 广州海洋地质调查局 | Withstand voltage waterproof connection of compound submarine cable of photoelectricity |
| CN112510638B (en) * | 2020-11-09 | 2021-12-31 | 广州海洋地质调查局 | Withstand voltage waterproof connection of compound submarine cable of photoelectricity |
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