CN205811431U - A kind of submarine cable hitch structure - Google Patents

A kind of submarine cable hitch structure Download PDF

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Publication number
CN205811431U
CN205811431U CN201620700410.1U CN201620700410U CN205811431U CN 205811431 U CN205811431 U CN 205811431U CN 201620700410 U CN201620700410 U CN 201620700410U CN 205811431 U CN205811431 U CN 205811431U
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CN
China
Prior art keywords
cable
submarine cable
seal head
hitch structure
tow attachment
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CN201620700410.1U
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Chinese (zh)
Inventor
朱荣华
张美阳
宋武
梁昊
孙香
李凤
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Zhejiang Rich Marine Engineering Technology Service Co Ltd
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Zhejiang Rich Marine Engineering Technology Service Co Ltd
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Priority to CN201620700410.1U priority Critical patent/CN205811431U/en
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Abstract

This utility model aims to solve the problem that in prior art, sea cable armouring stripping needs to expend substantial amounts of manpower and time, offshore operations inconvenience and the problem threatening operator's life security, a kind of submarine cable hitch structure is provided, including tow attachment, seals pipe, seal head and traction net;Tow attachment is sealedly connected on the one end sealing pipe, and seal head is connected to seal the other end of pipe;Connect on the medial surface of seal head and have the sealed adapter sleeve of tape cable mating holes;Traction networks is set in sealing pipe, and the front end of traction net is connected with tow attachment.The beneficial effects of the utility model are, the sealing space that cable is good can be supplied to, can draw the armouring of strip cable in advance again, effectively save the time of operation on the sea and reduce manual work's amount and cost, the submarine cable wiring making offshore wind farm unit is more convenient, quick, safety.

Description

A kind of submarine cable hitch structure
Technical field
This utility model relates to cable laying technical field, in particular to a kind of submarine cable hitch structure.
Background technology
Submarine cable, as the life line of marine wind electric field input and output, is properly functioning substantially the protecting of marine wind electric field Barrier.The installation of submarine cable needs first by cable pulling to platform of offshore wind turbine, then installs.
In prior art, the Submarine Cable Laying of offshore wind farm unit, before laying, all estimate sea cable lay length, cutting After Hao, sea cable is drawn to platform of offshore wind turbine, after fixing, then by sea cable on platform by sea cable traction net Armouring is peeled off one point three and is followed by plug, is connected on corresponding electrical equipment.For peeling off sea cable armour on offshore wind farm unit Dress is wasted time and energy, inefficiency, and maritime environment is severe, and operation is inconvenient and has higher danger, threatens operator Life security.
Utility model content
This utility model aims to provide a kind of submarine cable hitch structure, and to solve in prior art, sea cable armouring stripping need to Expend substantial amounts of manpower and time, inefficiency, offshore operations inconvenience and the problem threatening operator's life security.
Embodiment of the present utility model is achieved in that
A kind of submarine cable hitch structure, including tow attachment, seals pipe, seal head and traction net;Tow attachment Being sealedly connected on the one end sealing pipe, seal head is connected to seal the other end of pipe;Seal pipe for hollow tubular structures;Seal head For hollow structure, the medial surface of seal head connects and has the sealed adapter sleeve of tape cable mating holes;Traction networks is set on sealing Guan Zhong, and traction net front end be connected with tow attachment.
Submarine cable hitch structure in the present embodiment is used for connecting submarine cable, and its sealing cavity provided is for by naked The cable (cable of stripped end armouring the most) of dew (is connected to also from submarine pipeline through J-type pipe from default submarine pipeline The pipeline of one section of J-type of upper wind power platform, the general basis with offshore wind power platform is connected) draw to offshore wind turbine foundation flat Platform, completes laying and accessing of submarine cable.Tow attachment, sealing pipe and seal head in the present embodiment surround one jointly can Hermetically-sealed cable has peeled off the cavity of the termination of armouring, can ensure that cable will not be damaged by stress or extra large in submarine pipeline Aqueous corrosion damages, and can realize again peeling off cable before being drawn on offshore wind power platform (when dispatching from the factory such as cable) armouring and company Connect cable connector, it is to avoid carry out under the rugged environments such as these operation wasted time and energy wind energy turbine set at sea, the most just decrease Operator's operating time in the presence of a harsh environment, improve the life security of operator, there is the significance of reality. Further, traction net uses the method for obvolvent to be connected with the lateral surface of cable by frictional force, has bonding strength high, does not damages The advantage of cable.
It addition, the steel construction J-type pipe of current traditional design can be replaced to be fixed on sea turn the pipe that seals in the present embodiment On the steel structure base of machine basic platform.Concrete, the pipe that seals in the present embodiment can be arranged to enough length or passes through Multistage seals pipe and pieces together the mode of long tube to replace the J-type pipe of traditional design.Sealing pipe now is preferably by high intensity The materials such as plastics, nylon or polyurethane, to realize effectively resisting the corrosion of sea water and effectively preventing wave or other active forces pair The purpose of the damage of sea cable.
In an embodiment of the present utility model, above-mentioned sealed adapter sleeve includes elastic obvolvent ring and plugging film;Elastic It is cable mating holes in the middle of obvolvent ring;Plugging film is loop configuration, and plugging film is made up of elastomeric material, the interior outer edge of plugging film Medial surface with elastic obvolvent ring and seal head is sealed connected together respectively.
In an embodiment of the present utility model, above-mentioned plugging film is pyramidal structure.
In an embodiment of the present utility model, above-mentioned sealed adapter sleeve has two, the bullet of two sealed adapter sleeves The property spaced setting of obvolvent ring.
In an embodiment of the present utility model, above-mentioned tow attachment is cone, the major diameter of tow attachment and institute State sealing pipe to connect.
In an embodiment of the present utility model, on above-mentioned tow attachment, it is provided with towing pin.
In an embodiment of the present utility model, the inner side of above-mentioned traction net is provided with pressure transducer.
In an embodiment of the present utility model, above-mentioned pressure transducer is provided with multiple altogether, multiple pressure transducer edges The length direction of traction net is spaced apart.
In an embodiment of the present utility model, one end of above-mentioned sealing pipe is provided with the first connection internal ring, tow attachment It is provided with and is connected the first connection outer shroud that internal ring matches;Seal pipe the other end be provided with the second connection outer shroud, seal head it It is provided with and is connected the second connection internal ring that outer shroud coordinates with second.
In an embodiment of the present utility model, above-mentioned first connects in internal ring, the first connection outer shroud, the second connection Ring, the second connection outer shroud are each made of a metal.
Installation method when installing cable of the submarine cable hitch structure in this utility model embodiment includes following step Rapid:
Cable connector Connection Step: each heart yearn after peeling off armouring is separated, and in the end of each heart yearn respectively Connect cable connector;
Cable connector Connection Step is between cable armouring strip step and seal head installation steps.
After installation, it uses step to include:
Cable pulling step: tow attachment is connected on cable layer, and draw to offshore wind power platform;
Cable accesses step: pulls down tow attachment, seal pipe, seal head and traction net, and cable is connected to sea On wind power platform.
This utility model embodiment provides the benefit that: can be supplied to the sealing space that cable is good, it is possible to shell in advance Draw again from armature of cable, it is to avoid operation on the sea for a long time, effectively save the time of operation on the sea and reduce manpower Workload and cost, the submarine cable wiring making offshore wind farm unit is more convenient, quick, safety.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the submarine cable hitch structure in this utility model embodiment;
Fig. 2 is the three-dimensional view of the tow attachment in this utility model embodiment;
Fig. 3 is the three-dimensional view sealing pipe in this utility model embodiment;
Fig. 4 is the three-dimensional view of the seal head in this utility model embodiment;
Fig. 5 is the structural representation of the seal head in this utility model embodiment and a kind of type of attachment of cable;
Fig. 6 is the structural representation of the seal head in this utility model embodiment and cable another kind type of attachment;
Fig. 7 is the structural representation of the seal head in this utility model embodiment and another type of attachment of cable;
Fig. 8 is the steel construction of the submarine cable hitch structure in this utility model embodiment one and offshore wind turbine foundation platform The schematic diagram of the connection status on basis.
In figure:
Tow attachment 100, towing pin 110, first connects outer shroud 120, connecting pin 130;
Sealing pipe 200, first connects internal ring 210, and second connects outer shroud 220;
Seal head 300;
Sealed adapter sleeve 310, cable mating holes 311, elastic obvolvent ring 312, plugging film 313;
Second connects internal ring 320;
Traction net 400, pressure transducer 410, net head 420;
Cable 500, heart yearn 510, cable connector 520;
Steel structure base 600.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all Belong to the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, or It is the orientation or position relationship usually put during the use of this utility model product, is for only for ease of description this utility model and letter Change describe rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that to restriction of the present utility model.Describe additionally, term " first ", " second " etc. are only used for distinguishing, And it is not intended that indicate or hint relative importance.
Additionally, the term such as term " level ", " vertically " is not offered as requiring parts abswolute level or pendency, but can be slightly Low dip.As " level " only refers to for its direction relatively " vertically " more level, it is not that this structure of expression must be complete Full level, but can be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect, Or be integrally connected;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to pass through intermediary It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can manage with concrete condition Solve above-mentioned term concrete meaning in this utility model.
Embodiment
Refer to Fig. 1, the present embodiment provides a kind of submarine cable hitch structure, including tow attachment 100, seal pipe 200, Seal head 300 and traction net 400;Sealing pipe 200 is hollow tubular structures;Tow attachment 100 is sealedly connected on sealing pipe One end of 200, seal head 300 is connected to seal the other end of pipe 200;Seal head 300 is hollow structure, seal head 300 interior Connect on side and have the sealed adapter sleeve 310 of tape cable mating holes 311;Traction net 400 is arranged in sealing pipe 200, and leads The front end drawing net 400 is connected with tow attachment 100.
Submarine cable hitch structure in the present embodiment is used for connecting submarine cable 500, after this hitch structure connects cable, The end of cable exposure is positioned in traction net, and traction one section of unstripped part of cable of net 400 obvolvent.
The sealing cavity that it provides is used for accommodating exposed cable 500 (cable 500 of stripped end armouring the most), so that It can draw to offshore wind power platform from default submarine pipeline under briny environment, completes laying and connecing of submarine cable 500 Enter.Tow attachment 100, sealing pipe 200 and seal head 300 in the present embodiment jointly surround a salable cable 500 and shell From the cavity of the termination of armouring, ensure that cable 500 will not be damaged by stress or be damaged by seawater corrosion in submarine pipeline Bad.So, can realize cable 500 peeling off (when dispatching from the factory such as cable 500) before being drawn on offshore wind power platform armouring and Connect cable connector 520, it is to avoid carry out under the rugged environments such as these operation wasted time and energy wind energy turbine set at sea, the most just subtract Lack operator's operating time in the presence of a harsh environment, improve the life security of operator, there is the important of reality Meaning.Further, traction net 400 uses the method for obvolvent to be connected with the lateral surface of cable 500 by frictional force, has connection strong Degree height, the advantage not damaging cable 500.
The structure of tow attachment 100 can be the metal such as aluminum, rustless steel so that it is as the hitch structure in the present embodiment with The connector of cable drawing machine, has enough intensity and anti-wear performance, it is ensured that it can be relatively at bigger pull strength and frictional force Maintain well shape and function.Sealing pipe 200 and seal head 300 in the present embodiment can use plastics, nylon or Polyurethane material Material.Traction net 400 can use wire sets, and its material is preferably high-carbon steel.
Preferably, as shown in Figure 1, Figure 2 shown in, tow attachment 100 be cone, the major diameter of described tow attachment 100 with Described sealing pipe 200 connects.The tow attachment 100 distraction procedure in the pre-buried pipeline in seabed can be drawn by the resistance of sea water The lateral surface of joint 100 is designed to taper seat, for bearing the streamlined of smaller resistance, can reduce the power needed for traction and consumption Energy.
Tow attachment 100 in this utility model embodiment may be designed to multiple for the structure being connected with external traction machine Scheme.As one of them alternative, as shown in fig. 1, tow attachment 100 is provided for the traction that traction connects Pin 110, the such as end at tow attachment 100 arrange fluting, then arrange towing pin 110 and are connected to two sides of fluting On.As another alternative therein, hole can be threaded in tow attachment 100 front end, and by an one end with The mode that the connection ring (connecting ring to represent the most in the drawings) of helicitic texture is threaded connection is connected on tow attachment 100, makees Connector for traction.
The pivotal role of the sealed adapter sleeve 310 described in above-described embodiment is by between seal head 300 and cable 500 Space be closed so that seal pipe 200 be internally formed closing space, stop sea water enter corrosion within the construction of cable. The sealed adapter sleeve 310 realizing this purpose can be set to various structures, as the optional structure of one, as it is shown in figure 5, can be by close Envelope adapter sleeve 310 is arranged to one end and is connected to seal on the medial surface of pipe 200, and increasingly slopes reduces diameter until it is coated with Structure on the outer circumference surface of cable 500.
For increasing the obvolvent compactness of sealed adapter sleeve 310 and cable 500 further, as shown in Figure 6, can will be tightly connected Set 310 is arranged to following structure, as sealed adapter sleeve 310 includes elastic obvolvent ring 312 and plugging film 313;Elastic obvolvent ring 312 Centre is above-mentioned cable mating holes 311;Plugging film 313 is loop configuration, and plugging film 313 is made up of elastomeric material, closure The interior outer edge of film 313 medial surface with elastic obvolvent ring 312 and seal head 300 respectively is sealed connected together.Preferably, bullet Property obvolvent ring 312 in the middle of cable mating holes 311 may be designed to be slightly less than cable 500 diameter, and be pressed on by elastic deformation On the lateral surface of cable 500, there is better sealing effectiveness.Plugging film 313 is loop configuration, and is made up of elastomeric material, Make cable 500 when by producing relative displacement between additional pulling force and seal head 300, it is possible to by the way of elastic deformation Buffer this pulling force, it is to avoid elastic obvolvent ring 312 tension disengages with described cable 500 and produces gap, causes leakage.
Preferably, plugging film 313 is pyramidal structure, and when such cable 500 is subject to pulling force backward, plugging film 313 is pressed Contract rather than be elongated, plugging film 313 tension so can be avoided to be destroyed.
Sealed adapter sleeve 310 in this utility model embodiment can also arrange two, as it is shown in fig. 7, the two seals The elastic spaced setting of obvolvent ring 312 of adapter sleeve 310, so latter two plugging film 313 connects two elastic obvolvent rings respectively 312 with the sidewall of sealed adapter sleeve 310, form two-way sealing structure, so at cable 500 by the pulling force of both direction, All there is an elastic obvolvent ring 312 will not be pulled away from cable 500, so having more excellent sealing effectiveness.
In the above-described embodiments, the material of plugging film 313 and elastic obvolvent ring 312 can be plastics, nylon or Polyurethane Material.
Tow attachment 100 in this utility model embodiment, the attachment structure sealed between pipe 200 and seal head 300 can Be threaded can also be Flange joint.In the present embodiment, alternatively, the one end sealing pipe 200 is provided with in the first connection Ring 210 (referring to such as Fig. 3), tow attachment 100 is provided with and is connected the first connection outer shroud 120 that internal ring matches and (refers to Fig. 2);The other end sealing pipe 200 is provided with the second connection outer shroud 220 (referring to Fig. 3), is provided with and second on seal head 300 Connecting the second connection internal ring 320 (referring to Fig. 4) that outer shroud 220 coordinates, further, first connects internal ring 210, first connects Outer shroud 120, second connects internal ring the 320, second connection outer shroud 220 and is each made of a metal, and its cooperation face can support prismatic, it is simple to Be connected, it is also possible to for cylinder, first connect internal ring 210, first connect outer shroud 120, second connect internal ring 320, the Being threaded hole on two sides connecting outer shroud 220, then by screw, by them, according to correct asking, cooperation position connects tightly Gu.Alternatively, injection fluid sealant in each junction carries out encapsulation process.
When tow attachment 100, employing Flange joint between sealing pipe 200 and seal head 300, tow attachment 100 He The end sealing pipe 200, tow attachment 100 and sealing pipe 200 connection arranges flange, is then connected by attachment screw and nut Connect fastening.Certainly, in order to increase the sealing effectiveness of its junction, seal washer can be set in the gap connected.
Connection between traction net 400 and tow attachment 100 this can be implemented so that as it is shown in figure 1, at tow attachment The medial surface of 100 arranges a connecting pin 130, then the net head 420 of traction net 400 is socketed on connecting pin.
Traction net 400 determines according to required pull strength with the connecting length of cable 500 unstripped armouring section.Need Pull strength is the biggest, and the connecting length of traction net 400 armouring unstripped with cable 500 section is the longest, to provide enough contact surface Amass and frictional force.
As an optional scheme of the present embodiment, the inner side of traction net 400 is provided with pressure transducer 410.Pressure The pressure element of sensor 410 can be resistance strain gage.Pressure transducer 410 can sense traction net 400 and cable 500 Between pressure, the most just can calculate traction net 400 and cable 500 between frictional force.If traction net 400 is to electricity The maximum pull of cable 500 is that traction net 400 maximum static friction force when holding cable 500 tightly between the two is less than being applied to lead Draw the pull strength on joint 100, then can disengage between traction net 400 and cable 500 and lose driving power.Pressure sensing is set After device 410, by signal processing and discharger, this pressure signal can be converted into frictional force signal, and pass to traction control Person is monitored.Preferably, such as, can arrange pressure transducer 410 sensed the traction net 400 obtained and cable 500 it Between force value be converted into frictional force after, when exceeding the 80% of maximum static friction force value between the two, send a warning letter Number, it is simple to traction control person's control to hauling speed, can avoid drawing net 400 and disengage cable 500.Preferably, pressure passes Sensor 410 is provided with multiple altogether, and multiple pressure transducers 410 are spaced apart along the length direction of traction net 400.Multiple pressure is set Force transducer 410 can measure the pressure being positioned at diverse location,
Tow attachment 100 in this utility model embodiment can be carried out by the installation method of following steps before being set using Install: the armouring of cable 500 one end to be installed is peeled off;The cable 500 peeling off armouring is inserted from traction net 400 rear end Enter in traction net 400;Each heart yearn after peeling off armouring is separated, and connects cable respectively in the end of each heart yearn Joint 520;The cable 500 connected together and traction net 400 are passed from the cable mating holes 311 of seal head 300;To be connected in Cable 500 and traction net 400 together pass from sealing pipe 200, and are linked together with seal head 300 by sealing pipe 200; The front end of traction net 400 is connected on tow attachment 100;Tow attachment 100 is fixedly connected on sealing pipe 200.
After installation steps complete, tow attachment 100 can be connected on cable layer by hitch structure of the present utility model, And draw to offshore wind power platform;Pull down tow attachment 100, seal pipe 200, seal head 300 and traction net 400, and will Cable 500 is connected on offshore wind power platform, thus realizes laying and accessing use of the submarine cable 500 of this hitch structure.
It addition, the submarine cable hitch structure in this utility model embodiment can also substitute the J-type pipe of traditional design, tool Body is, after this hitch structure is drawn to offshore wind turbine foundation platform, does not remove sealing pipe 200 that hypomere is positioned in sea water and close The structure of end socket 300, but directly this segment structure is fixedly connected on the steel structure base 600 of offshore wind turbine foundation platform, Replacing part as tradition J-type pipe.For making this structure possess enough mechanical properties and antiseptic property, sealing pipe 200 now Preferably by highstrenghtpiston, nylon or polyurethane material.The program can reduce the fabrication and installation cost of traditional J-type pipe. Meanwhile, for making sealing structure reach enough length, the hitch structure in the present embodiment can be set to multiple sealing pipe 200 head and the tail The form being connected.In the case of Gai, the hitch structure in this utility model embodiment and the steel construction base of offshore wind turbine foundation platform The schematic diagram of the connection status of plinth 600 is as shown in Figure 8.
Submarine cable hitch structure in the present embodiment provides the benefit that, the beneficial effects of the utility model are, cable The stress performance of 500 and favorable sealing property, use efficient and convenient, can effectively save the time of operation on the sea and reduce manpower work Measuring and cost, submarine cable 500 wiring making offshore wind farm unit is more convenient, quick, safety.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (10)

1. a submarine cable hitch structure, it is characterised in that include tow attachment, seal pipe, seal head and traction net; The described pipe that seals is for hollow tubular structures;Described tow attachment is sealedly connected on one end of described sealing pipe, and described seal head is even It is connected on the other end of described sealing pipe;Described seal head is hollow structure, and the medial surface of described seal head connects tape cable The sealed adapter sleeve of mating holes;Described Traction networks is set in described sealing pipe, and the front end of described traction net is with described Tow attachment is connected.
Submarine cable hitch structure the most according to claim 1, it is characterised in that described sealed adapter sleeve includes elastic embracing Cyclization and plugging film;It is described cable mating holes in the middle of described elastic obvolvent ring;Described plugging film is loop configuration, described closure Film is made up of elastomeric material, the interior outer edge of described plugging film respectively with described elastic obvolvent ring and the medial surface of described seal head It is sealed connected together.
Submarine cable hitch structure the most according to claim 2, it is characterised in that described plugging film is pyramidal structure.
Submarine cable hitch structure the most according to claim 2, it is characterised in that described sealed adapter sleeve has two, The elastic spaced setting of obvolvent ring of two described sealed adapter sleeves.
Submarine cable hitch structure the most according to claim 1, it is characterised in that described tow attachment is cone, institute The major diameter stating tow attachment is connected with described sealing pipe.
Submarine cable hitch structure the most according to claim 1, it is characterised in that be provided with traction on described tow attachment Pin.
Submarine cable hitch structure the most according to claim 1, it is characterised in that the inner side of described traction net is provided with pressure Force transducer.
Submarine cable hitch structure the most according to claim 7, it is characterised in that described pressure transducer is provided with many altogether Individual, multiple described pressure transducers are spaced apart along the length direction of described traction net.
9. according to the submarine cable hitch structure described in any one of claim 1 to 8, it is characterised in that the one of described sealing pipe End is provided with the first connection internal ring, and described tow attachment is provided with and is connected, with described, the first connection outer shroud that internal ring matches;Described The other end sealing pipe is provided with the second connection outer shroud, is provided with and is connected the second of outer shroud cooperation with described second on described seal head Connect internal ring.
Submarine cable hitch structure the most according to claim 9, it is characterised in that described first connect internal ring, described the One connection outer shroud, described second connection internal ring connect outer shroud with described second and are constituted by metal material.
CN201620700410.1U 2016-07-01 2016-07-01 A kind of submarine cable hitch structure Active CN205811431U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105914663A (en) * 2016-07-01 2016-08-31 浙江华蕴海洋工程技术服务有限公司 Submarine cable traction structure and mounting method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105914663A (en) * 2016-07-01 2016-08-31 浙江华蕴海洋工程技术服务有限公司 Submarine cable traction structure and mounting method thereof

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