CN116417966A - Submarine insulated cable connecting structure and connecting method - Google Patents
Submarine insulated cable connecting structure and connecting method Download PDFInfo
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- CN116417966A CN116417966A CN202310370626.0A CN202310370626A CN116417966A CN 116417966 A CN116417966 A CN 116417966A CN 202310370626 A CN202310370626 A CN 202310370626A CN 116417966 A CN116417966 A CN 116417966A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cable Accessories (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to a submarine insulated cable connecting structure and a submarine insulated cable connecting method, belonging to the technical field of submarine cables; according to the submarine insulated cable connecting structure, the threaded shaft and the sleeve shaft are arranged at the joint position, the extrusion column is arranged between the sleeve shafts, the joint position can be protected, effective sealing is realized by extruding the sealing sheath, the problem of seawater infiltration is avoided, and the service life of the submarine cable is prolonged; in addition, after the submarine insulated cable is connected, the threaded shaft can be limited, and meanwhile, the steel wire rope is used for compressing and fixing, so that the stability of a connecting position is ensured, and the problem of loosening of the connecting position caused by long-time use is avoided; the nut is protected through the cover plate, so that rust is prevented from occurring in long-time use, the screw is limited, and the screw shaft is prevented from loosening; the whole cable body can realize quick assembly, improves the connection stability of the submarine cable, and effectively prolongs the service life of the submarine cable.
Description
Technical Field
The invention relates to a submarine insulated cable connecting structure and a submarine insulated cable connecting method, and belongs to the technical field of submarine cables.
Background
The submarine cable is a cable wrapped by insulating materials and paved on the seabed for telecommunication transmission, and is divided into a submarine communication cable and a submarine power cable, wherein the submarine communication cable is mainly used for communication service, has high cost and high confidentiality degree, is mainly used for underwater transmission of high-power electric energy, and has the same function as the underground power cable.
Submarine cable engineering is widely recognized as a complex and difficult large-scale engineering by countries around the world, and is applied with complex technology from environment detection, marine physical investigation and cable design, manufacture and installation, and has very high technical requirements on the cable, wherein the submarine cable can bear huge pressure at 8 km under water, which is equivalent to the weight borne by the thumb of a person when an elephant is placed at one end.
The common submarine cable adopts a lead sleeve, but lead is heavy metal, and has low mechanical strength and fatigue strength, and is easy to crack in operation. Sometimes it is also necessary to wrap a metal strip around the cable structure to strengthen it, which results in increased complexity and increased cost of the cable structure. In order to increase the axial tension of the submarine cable when the submarine cable is laid, one or two layers of steel wires are laid outside the cable metal sleeve, and in order to solve the corrosion resistance problem of the steel wires in seawater, asphalt is coated outside the bare steel wires to wrap a hemp rope or a plastic rope, so that the asphalt causes pollution of a production workshop, influences the health of production staff and also causes pollution to transport ships and related environments.
Aiming at the problems, the invention patent of patent number 201310094072.2, namely the high-voltage and ultrahigh-voltage flexible direct-current transmission optical fiber composite extrusion insulating submarine cable, provides a solution, adopts a copper sleeve with excellent physical properties such as mechanical strength, fatigue strength and the like, ensures the safe and reliable operation of the submarine cable, and also overcomes the problem of heavy metal pollution caused by the use of a lead sleeve in the traditional submarine cable; the steel wire is extruded by wrapping the inner sheath and the outer sheath is extruded, so that the environment pollution caused by the fact that the asphalt wrapping plastic rope is coated on the surface of the bare steel wire as the steel wire anti-corrosion layer of the traditional submarine cable is avoided.
However, for non-buried laid submarine cables, under ocean currents or fish invasion, the connection parts are easy to loosen due to extrusion or pulling force, and even break after long-time use, so that great inconvenience is brought to cable maintenance, tightness is difficult to ensure, seawater permeation problem is easy to occur at the connection parts, and the service life of the submarine cables is influenced.
Disclosure of Invention
In order to solve the problems, the invention designs a submarine insulated cable connecting structure and a submarine insulated cable connecting method, wherein a threaded shaft and a sleeve shaft are arranged at the joint position, and an extrusion column is arranged between the sleeve shafts, so that the joint position can be protected, the effective sealing is realized by extruding a sealing sheath, the seawater permeation problem is avoided, and the service life of a submarine cable is prolonged; in addition, after the submarine insulated cable is connected, the threaded shaft can be limited, and meanwhile, the steel wire rope is used for compressing and fixing, so that the stability of a connecting position is ensured, and the problem of loosening of the connecting position caused by long-time use is avoided; the nut is protected through the cover plate, so that rust is prevented from occurring in long-time use, the screw is limited, and the screw shaft is prevented from loosening; the whole cable body can realize quick assembly, improves the connection stability of the submarine cable, and effectively prolongs the service life of the submarine cable.
The purpose of the invention is realized in the following way:
a submarine insulated cable connecting structure is characterized in that cable bodies are fixedly connected through connectors;
the cable body consists of an armor layer, a compression layer, a tensile layer, an insulating layer, a waterproof layer and a wire core, wherein the surface of the armor layer is respectively provided with a thread groove and a raised edge, the surface of the wire core is fixedly connected with the waterproof layer, the surface of the waterproof layer is fixedly connected with the insulating layer, the surface of the insulating layer is fixedly connected with the tensile layer, the surface of the tensile layer is fixedly connected with the compression layer, and the surface of the compression layer is fixedly connected with the armor layer;
the cable body is movably sleeved with the extrusion column in an inner portion, the cable body is fixedly connected through a joint, a thread groove is formed in the surface of the cable body, the thread groove is in threaded connection with a thread shaft, the surface of the cable body is movably sleeved with the sleeve shaft, the extrusion column is arranged between the sleeve shafts, the extrusion column is embedded and spliced with the sleeve shaft in an inner portion, the end portion surface of the extrusion column is connected with a sealing sleeve in a fit manner, the sealing sleeve is connected with the thread shaft in a fit manner, one end of the cable body is movably sleeved with a cover plate, the cover plate is connected with the side wall of the thread shaft in a fit manner, the edge of the thread shaft is connected with a screw in a penetrating manner, the middle of the screw is connected with the movable shaft in a penetrating manner, the inside of the movable shaft is in threaded connection with a knob, the end portion of the knob is provided with a pressing block, the edge of the sealing sleeve is fixedly connected with a steel wire rope, and the steel wire rope is contacted with the pressing block.
The submarine insulated cable connecting structure is characterized in that the connector is located inside the extrusion column, the inner wall of the extrusion column is fixedly connected with the insulated pad, the diameter of the middle of the diameters of two ends of the extrusion column is equal to that of the middle of the diameters of the two ends of the extrusion column, the insulated pad is of a circular ring structure, and sleeve shafts are arranged inside the two ends of the insulated pad.
The submarine insulated cable connecting structure is characterized in that the sleeve shaft is of a circular ring structure, the clamping groove is formed in the inner wall of the sleeve shaft, the inner edge of the sleeve shaft is connected with a sealing gasket in a jogged mode, the sealing gasket is of a circular ring structure and is connected with the surface of the cable body in a bonding mode, the sealing gasket is connected with the edge of the insulating gasket in a bonding mode, and the sealing gasket and the insulating gasket are of convex structures and are used for mutually extruding and deforming and contacting with the cable body.
The number of the threaded shafts is two, the two threaded shafts are respectively positioned at two sides of the joint, a plurality of evenly distributed screws are arranged at the edge of each threaded shaft, the end parts of the screws are in threaded connection with nuts, flat bulges are arranged at the end parts of the screws, and the bulges are connected with the inner parts of one threaded shaft in a jogged manner.
The submarine insulated cable connecting structure is characterized in that a sealing sheath is arranged between the threaded shaft and the sleeve shaft, the sealing sheath is sleeved on the surface of the cable body, the sealing sheath is connected with the side wall of the sleeve shaft in a fitting mode, a plurality of evenly distributed tilted edges are arranged on the surface of the cable body, and the tilted edges are connected with the inside of the clamping groove in a clamping mode.
The extrusion column is of a circular ring structure, an arc groove is formed in the middle surface of the extrusion column, the arc groove is connected with the pressing block in a laminating mode, sealing sleeves are arranged at two ends of the extrusion column, the surfaces of the sealing sleeves are fixedly connected with the pressing pads, the pressing pads are of a circular ring structure and located at one ends of the sealing sleeves, and the surfaces of the pressing pads are in contact with screws distributed in a circular structure.
The submarine insulated cable connecting structure is characterized in that the cover plate is of a circular ring structure, the cover plate is in sliding connection with the surface of the thread groove, a sealing ring is fixedly connected to one side of the cover plate, the sealing ring is of a circular ring structure and is identical to the cover plate in shape, and the sealing ring is connected with the side wall of the thread shaft in a fitting mode.
Grooves are formed in the edges of the cover plate and the sealing ring, the grooves are of a circular ring structure, nuts are contained in the grooves, and a plurality of evenly distributed inserted bars are fixedly connected to one side of the cover plate;
the edge of one side of the threaded shaft is provided with a plurality of evenly distributed slots, each slot is embedded and spliced with the inserted rod, the edge of the threaded shaft is in threaded connection with a plurality of evenly distributed bolts, the bolts and the bulges penetrate and splice and extend to the inside of the slot, and the bolts are in threaded connection with the inserted rod.
A submarine insulated cable connection method comprising the steps of:
step a, placing
The method comprises the steps of connecting cable bodies by adopting a connector, sleeving a cover plate at one end part of the cable body before connection, sleeving two threaded shafts on the cable body and screwing the threaded shafts on thread grooves to two sides, placing the connector in an extrusion column, embedding sleeve shafts on two sides of the extrusion column, sleeving sealing sleeves on two ends of the extrusion column, sleeving sleeve shafts and the sealing sleeves on two ends of the cable body, and enabling the cable body to extend into the extrusion column and be connected with the connector;
step b, fastening
After the operation is finished, the screw rod passes through the threaded shafts and is screwed and fixed through the nuts, the bulge is positioned in one of the threaded shafts at the moment, the threaded shafts extrude the pressing pad at the moment, the sealing sleeves are tightly attached to the surface of the extrusion column, the pressing block is pushed to move by screwing the knob, the pressing block is enabled to be in contact with the steel wire rope and tighten the steel wire rope, the pressing block drives the middle part of the steel wire rope to move to the arc groove to achieve pressing and limiting, at the moment, the screw rod can prevent loosening of a cable caused by rotation of the threaded shafts, and meanwhile, the steel wire rope is used for pressing and fixing the two sealing sleeves to avoid loosening of the sealing sleeves;
step c, ending
The cover plate is pushed to the surface of the threaded shaft and is attached to the threaded shaft through the sealing ring, at the moment, the end part of the screw rod and the nut are located inside the groove, the inserting rod is driven to be inserted into the slot, the bolt is screwed up to enable the bolt to pass through the protruding position of the screw rod and move to the inside of the slot to be connected with the inserting rod, and when the nut connecting part is sealed and protected, the screw rod can be prevented from rotating to cause the loosening of the threaded shaft.
According to the submarine insulated cable connecting method, when the threaded shaft is installed, the threaded shaft is moved from one side of the tilted edge to the other side, when the sleeve shaft is installed, the tilted edge is moved to the inside of the clamping groove, the tilted edge is bent and deformed and then tilted again and limited by the clamping groove, meanwhile, the two sleeve shafts are limited by the extrusion column, and sealing is achieved by extrusion through the position of the threaded axial connector, at the moment, the sealing gasket of the inner ring of the sleeve shaft and the insulating gasket are extruded and deformed, so that the sealing gasket and the insulating gasket are tightly attached to the surface of the cable body in the extrusion process, and the sealing property and the stability are guaranteed.
The beneficial effects are that:
the first, the submarine insulated cable connecting structure of the invention, set up threaded spindle and sleeve shaft in the joint position, and set up the extrusion post between sleeve shaft, can protect the joint position, realize the effective seal through the extrusion to the sealed sheath, avoid the sea water infiltration problem, improve the life cycle of the submarine cable;
secondly, according to the submarine insulated cable connecting structure, after submarine insulated cables are connected, the threaded shafts can be limited, meanwhile, the steel wire ropes are used for compressing and fixing, the stability of the connecting positions is guaranteed, and the problem of loosening of the connecting positions caused by long-time use is avoided;
thirdly, according to the submarine insulated cable connecting structure, the nut is protected through the cover plate, so that corrosion is avoided when the submarine insulated cable connecting structure is used for a long time, meanwhile, the screw is limited, and loosening of the threaded shaft is avoided;
the whole cable body can realize quick assembly, improves the connection stability of the submarine cable, and effectively prolongs the service life of the submarine cable.
Drawings
FIG. 1 is a schematic perspective view of a cable body;
FIG. 2 is a schematic cross-sectional view of a cable body;
FIG. 3 is a schematic structural view of the submarine insulated cable connecting structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the submarine insulated cable connection structure of the present invention;
FIG. 5 is a schematic cross-sectional view of a submarine insulated cable connection structure according to the invention;
FIG. 6 is a schematic view of a partial enlarged structure at A in FIG. 4;
FIG. 7 is a schematic view of the internal elevation of the sleeve shaft;
FIG. 8 is a schematic view of a perspective structure at a cover plate;
FIG. 9 is a schematic view of a perspective structure at the squeeze column;
fig. 10 is a schematic perspective view of the sleeve shaft.
In the figure: 1. the cable comprises a cable body, 2, a connector, 3, a thread groove, 4, a thread shaft, 5, a sleeve shaft, 6, a sealing gasket, 7, a clamping groove, 8, a raised edge, 9, a sealing sheath, 10, an extrusion column, 11, an insulating gasket, 12, an arc groove, 13, a screw rod, 14, a movable shaft, 15, a knob, 16, a steel wire rope, 17, a pressing block, 18, a nut, 19, a protrusion, 20, a pressing gasket, 21, a cover plate, 22, a sealing ring, 23, a groove, 24, an inserted link, 25, a slot, 26, a bolt, 27, an armor layer, 28, a compression layer, 29, a tensile layer, 30, an insulating layer, 31, a waterproof layer, 32 and a wire core.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
In the submarine insulated cable connecting structure in the specific embodiment, a cable body 1 is fixedly connected through a joint 2;
as shown in fig. 1 and fig. 2, the cable body 1 is composed of an armor layer 27, a compression layer 28, a tensile layer 29, an insulating layer 30, a waterproof layer 31 and a wire core 32, wherein the surface of the armor layer 27 is respectively provided with a thread groove 3 and a raised edge 8, the surface of the wire core 32 is fixedly connected with the waterproof layer 31, the surface of the waterproof layer 31 is fixedly connected with the insulating layer 30, the surface of the insulating layer 30 is fixedly connected with the tensile layer 29, the surface of the tensile layer 29 is fixedly connected with the compression layer 28, and the surface of the compression layer 28 is fixedly connected with the armor layer 27;
the armor layer 27 is arranged for improving the structural strength of the surface of the cable body 1, is convenient for the installation of the threaded shaft 4 and the sleeve shaft 5, has good insulating property and ensures the service performance of the submarine cable;
as shown in fig. 3-10, the cable body 1 is movably sleeved inside the extrusion column 10, the cable body 1 is fixedly connected with the side wall of the threaded shaft 4 through the connector 2, a threaded groove 3 is formed in the surface of the cable body 1, the threaded groove 3 is in threaded connection with the threaded shaft 4, the surface of the cable body 1 is movably sleeved with the sleeve shaft 5, the extrusion column 10 is arranged between the sleeve shafts 5, the inside of the extrusion column 10 is embedded and connected with the sleeve shaft 5, the end surface of the extrusion column 10 is in fit connection with a sealing sleeve 9, the sealing sleeve 9 is in fit connection with the threaded shaft 4, one end of the cable body 1 is movably sleeved with a cover plate 21, the cover plate 21 is in fit connection with the side wall of the threaded shaft 4, the edge of the threaded shaft 4 is in through fit connection with a screw 13, the middle of the screw 13 is in through fit connection with a movable shaft 14, the inside of the movable shaft 14 is in threaded connection with a knob 15, the end of the knob 15 is provided with a pressing block 17, the edge of the sealing sleeve 9 is fixedly connected with a steel wire rope 16, and the steel wire rope 16 is in contact with the pressing block 17;
the connector 2 is used for connecting two ends of the two cable bodies 1, the connecting position of the connector 2 is protected inside the extrusion column 10, sealing and tensile property of the connector 2 are achieved, enough stability of the submarine cable is guaranteed, service life of the submarine cable is prolonged, the sealing wrap 9 is extruded and sealed through the sleeve shaft 5 and the threaded shaft 4, effective fixation of the connecting position is achieved, and service performance of the submarine cable is improved.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment is further defined on the basis of the first embodiment as shown in fig. 3 to 7, 9 and 10: the connector 2 is positioned in the extrusion column 10, an insulating pad 11 is fixedly connected to the inner wall of the extrusion column 10, the diameter of the middle part of the diameters of the two ends of the extrusion column 10, the insulating pad 11 is of a circular ring structure, and sleeve shafts 5 are arranged in the two ends of the insulating pad 11;
the insulating pad 11 is used for protecting the position of the connector 2, and when the connecting position of the insulating pad 11 and the sealing pad 6 is deformed by extrusion, the insulating pad 11 and the sealing pad 6 can be tightly attached to the surface of the cable body 1, so that the sealing performance is improved.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment is further defined on the basis of the first embodiment as shown in fig. 4, 6, 7 and 10: the sleeve shaft 5 is of a circular ring structure, a clamping groove 7 is formed in the inner wall of the sleeve shaft 5, a sealing gasket 6 is connected to the edge of the inner side of the sleeve shaft 5 in a jogged mode, the sealing gasket 6 is of a circular ring structure, the sealing gasket 6 is in fit connection with the surface of the cable body 1, the sealing gasket 6 is in fit connection with the edge of the insulating gasket 11, the sealing gasket 6 and the insulating gasket 11 are of convex structures, and the sealing gasket 6 and the insulating gasket 11 are used for mutually extruding and deforming and are in contact with the cable body 1;
the sleeve shaft 5 can be sleeved with the cable body 1, the sleeve shaft 5 is limited through the cooperation of the raised edge 8 and the clamping groove 7, the sealing sheath 9 is driven to be attached to the sleeve shaft 5 when the threaded shaft 4 is reversely screwed, the sleeve shaft 5 is pushed to move into the two ends of the extrusion column 10, the sleeve shaft 5 drives the sealing gasket 6 to extrude the insulating gasket 11, and the sealing gasket 6 and the insulating gasket 11 of the outer convex joint 2 are deformed to be tightly attached to the surface of the cable body 1.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment is further defined on the basis of the first embodiment as shown in fig. 3 to 7: the number of the threaded shafts 4 is two, the two threaded shafts 4 are respectively positioned at two sides of the joint 2, a plurality of evenly distributed screw rods 13 are arranged at the edge of each threaded shaft 4, the end parts of each screw rod 13 are in threaded connection with a nut 18, each screw rod 13 is provided with a flat bulge 19, and the bulge 19 is in embedded connection with the inside of one threaded shaft 4;
the screw rod 13 is used for connecting and fixing the threaded shaft 4, so that the deviation of the threaded shaft 4 is prevented, the extrusion force between the sleeve shaft 5 and the extrusion column 10 is reduced, the screw rod 13 can be prevented from rotating by arranging the protrusions 19, the nut 18 is limited in the groove 23, the nut 18 is prevented from deviating to one side when being loosened, and the connection stability of the screw rod 13 and the nut 18 can be ensured.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment is further defined on the basis of the first embodiment as shown in fig. 3 to 7: a sealing sheath 9 is arranged between the threaded shaft 4 and the sleeve shaft 5, the sealing sheath 9 is sleeved with the surface of the cable body 1, the sealing sheath 9 is connected with the side wall of the sleeve shaft 5 in a fitting way, a plurality of evenly distributed tilted edges 8 are arranged on the surface of the cable body 1, and the tilted edges 8 are clamped with the inside of the clamping groove 7;
the sealing sheath 9 is pressed and fixed through the extrusion of the threaded shaft 4 and the sleeve shaft 5, the sealing of the joint of the threaded shaft 4 and the sleeve shaft 5 is realized, and the limit after the sleeve shaft 5 is installed can be realized by arranging the tilted edge 8.
Detailed description of the preferred embodiments six
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment, as shown in fig. 3-7 and 9, is further defined on the basis of the first embodiment: the extrusion column 10 is of a circular ring structure, an arc groove 12 is formed in the surface of the middle of the extrusion column 10, the arc groove 12 is in fit connection with a pressing block 17, sealing sleeves 9 are arranged at two ends of the extrusion column 10, the surfaces of the sealing sleeves 9 are fixedly connected with pressing pads 20, the pressing pads 20 are of a circular ring structure and are positioned at one ends of the sealing sleeves 9, and the surfaces of the pressing pads 20 are in contact with screw rods 13 distributed in a circular structure;
the pressing block 17 can drive the steel wire rope 16 to tighten and enable the middle part of the steel wire rope 16 to move to the arc groove 12, and the sealing sheath 9 is tightened through the tensile force at the two ends of the steel wire rope 16, so that the problem of loosening of the sealing sheath 9 is prevented.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment is further defined on the basis of the first embodiment as shown in fig. 3 to 6 and 8: the cover plate 21 is of a circular ring structure, the cover plate 21 is in sliding connection with the surface of the thread groove 3, one side of the cover plate 21 is fixedly connected with a sealing ring 22, the sealing ring 22 is of a circular ring structure and is the same as the cover plate 21 in shape, and the sealing ring 22 is in fit connection with the side wall of the thread shaft 4;
the sealing of the junction of the cover plate 21 and the threaded shaft 4 is realized by arranging the sealing ring 22, and after the cover plate 21 is fixed, the screw 13 can be limited while the nut 18 is limited, so that the installation stability is improved.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection structure of the present invention.
The submarine insulated cable connection structure according to this embodiment is further defined on the basis of the seventh embodiment as shown in fig. 3 to 6 and 8: grooves 23 are formed in the edges of the cover plate 21 and the sealing ring 22, the grooves 23 are of a circular ring structure, nuts 18 are contained in the grooves 23, and a plurality of evenly distributed inserted rods 24 are fixedly connected to one side of the cover plate 21;
the plug rod 24 and the slot 25 are matched to limit the cover plate 21, and meanwhile, the plug rod 24 can be screwed with the bolt 26 to limit and fix the screw 13;
a plurality of evenly distributed slots 25 are formed in the edge of one side of the threaded shaft 4, each slot 25 is embedded and spliced with the inserted rod 24, the edge of the threaded shaft 4 is in threaded connection with a plurality of evenly distributed bolts 26, the bolts 26 are inserted and spliced with the protrusions 19 in a penetrating manner and extend to the inside of the slot 25, and the bolts 26 are in threaded connection with the inserted rod 24;
the bolt 26 and the bulge 19 are inserted and connected in a penetrating manner and extend to the inside of the slot 25, the bolt 26 is connected with the inserted rod 24 in a threaded manner, and the bolt 26 can be connected with the bulge 19 when being screwed down, so that the screw 13 cannot rotate to cause the loosening problem, and meanwhile, the cover plate 21 is quickly fixed.
Detailed description of the preferred embodiments nine
The following is a specific embodiment of the submarine insulated cable connection method of the present invention.
The submarine insulated cable connection method in the specific embodiment comprises the following steps:
step a, placing
The connector 2 is adopted to connect the cable bodies 1, before connection, a cover plate 21 is sleeved at the end part of one of the cable bodies 1, then two threaded shafts 4 are sleeved on the cable body 1 and screwed on the threaded grooves 3 to two sides, the connector 2 is placed inside the extrusion column 10, after sleeve shafts 5 are embedded at two sides of the extrusion column 10, sealing sleeves 9 are sleeved at two ends of the extrusion column 10, and finally, the sleeve shafts 5 and the sealing sleeves 9 are sleeved at two ends of the cable body 1, so that the cable body 1 extends into the extrusion column 10 and is connected with the connector 2;
step b, fastening
After the operation is finished, the screw 13 passes through the threaded shafts 4 and is screwed and fixed through the nuts 18, at the moment, the protrusions 19 are positioned in one of the threaded shafts 4, at the moment, the threaded shafts 4 squeeze the pressing pads 20 to enable the sealing sheaths 9 to be tightly attached to the surfaces of the squeezing columns 10, and the pressing blocks 17 are pushed to move by screwing the knob 15 to enable the pressing blocks 17 to contact the steel wire ropes 16 and tighten the steel wire ropes, so that the pressing blocks 17 drive the middle parts of the steel wire ropes 16 to move to the arc grooves 12 to achieve pressing and limiting, at the moment, the screw 13 can prevent loosening of cables caused by rotation of the threaded shafts 4, and meanwhile, the steel wire ropes 16 compress and fix the two sealing sheaths 9 to avoid loosening of the sealing sheaths 9;
step c, ending
The cover plate 21 is pushed to the surface of the threaded shaft 4 and is attached to the threaded shaft 4 through the sealing ring 22, at the moment, the end part of the screw rod 13 and the nut 18 are both located in the groove 23, the inserted rod 24 is driven to be inserted into the slot 25, the bolt 26 is screwed up to pass through the boss 19 of the screw rod 13 and move to the position of the slot 25 to be connected with the inserted rod 24, and the threaded shaft 4 is prevented from loosening due to rotation of the screw rod 13 while the connection part of the nut 18 is sealed and protected.
Detailed description of the preferred embodiments
The following is a specific embodiment of the submarine insulated cable connection method of the present invention.
The submarine insulated cable connection method according to the present embodiment is further defined by the ninth embodiment: make it follow perk limit 8 one side when carrying out screw shaft 4 installation and remove to the opposite side, when installing sleeve 5, make perk limit 8 remove to draw-in groove 7 inside after, perk limit 8 bending deformation back perk and carry out spacingly with draw-in groove 7, extrusion post 10 is spacing to two sleeve 5 simultaneously to extrude the realization sealed to joint 2 position through screw shaft 4, the sealed pad 6 of sleeve 5 inner circle takes place extrusion deformation with insulating pad 11 this moment, makes its extrusion in-process closely laminate with cable body 1 surface, guarantees leakproofness and stability.
It should be noted that the above is only a specific embodiment of the present application, and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
It should be noted that, the technical features listed in the foregoing embodiments can be arranged and combined as long as they are not contradictory, and those skilled in the art can exhaust the results after each arrangement and combination according to the mathematical knowledge of the arrangement and combination learned by the senior citizen, and all the results after the arrangement and combination should be understood as being disclosed in the present application.
Claims (10)
1. The submarine insulated cable connecting structure is characterized in that a cable body (1) is fixedly connected through a connector (2);
the cable body (1) is composed of an armor layer (27), a compression layer (28), a tensile layer (29), an insulating layer (30), a waterproof layer (31) and a wire core (32), wherein a thread groove (3) and a raised edge (8) are respectively arranged on the surface of the armor layer (27), the waterproof layer (31) is fixedly connected with the surface of the wire core (32), the insulating layer (30) is fixedly connected with the surface of the waterproof layer (31), the tensile layer (29) is fixedly connected with the surface of the insulating layer (30), the surface of the tensile layer (29) is fixedly connected with the compressive layer (28), and the armor layer (27) is fixedly connected with the surface of the compressive layer (28);
the cable body (1) is movably sleeved with the extrusion column (10), the cable body (1) is fixedly connected with the threaded shaft (4) through the joint (2), the threaded groove (3) is formed in the surface of the cable body (1), the threaded groove (3) is in threaded connection with the threaded shaft (4), the surface of the cable body (1) is movably sleeved with the sleeve shaft (5), the extrusion column (10) is arranged between the sleeve shaft (5), the extrusion column (10) is internally embedded and spliced with the sleeve shaft (5), the end surface of the extrusion column (10) is in fit connection with the sealing sleeve (9), the sealing sleeve (9) is in fit connection with the threaded shaft (4), one end of the cable body (1) is movably sleeved with the cover plate (21), the cover plate (21) is in fit connection with the side wall of the threaded shaft (4), the edge of the threaded shaft (4) is in penetrating and splicing with the screw (13), the middle of the screw (13) is in penetrating and sleeved with the sleeve shaft (14), the movable shaft (14) is internally connected with the knob (15), the end part of the extrusion column (10) is in fit with the sealing sleeve (15), and the end part of the cable body (1) is provided with the sealing sleeve (17) and is in fit with the sealing sleeve (16).
2. The submarine insulated cable connecting structure according to claim 1, wherein the connector (2) is located inside an extrusion column (10), an insulating pad (11) is fixedly connected to the inner wall of the extrusion column (10), the diameters of the middle parts of the diameters of the two ends of the extrusion column (10), the insulating pad (11) is of a circular ring structure, and sleeve shafts (5) are arranged inside the two ends of the insulating pad (11).
3. The submarine insulated cable connecting structure according to claim 1, wherein the sleeve shaft (5) is of a circular ring structure, a clamping groove (7) is formed in the inner wall of the sleeve shaft (5), a sealing gasket (6) is connected to the inner side edge of the sleeve shaft (5) in a jogged mode, the sealing gasket (6) is of a circular ring structure, the sealing gasket (6) is connected with the surface of the cable body (1) in a laminating mode, the sealing gasket (6) is connected with the edge of the insulating gasket (11) in a laminating mode, and the sealing gasket (6) and the insulating gasket (11) are of convex structures and are used for mutually extruding and deforming and are in contact with the cable body (1).
4. The submarine insulated cable connecting structure according to claim 1, wherein the number of the threaded shafts (4) is two, the two threaded shafts (4) are respectively located at two sides of the joint (2), a plurality of evenly distributed screws (13) are arranged at the edge of each threaded shaft (4), the end parts of each screw (13) are in threaded connection with nuts (18), flat bulges (19) are arranged at the end parts of each screw (13), and the bulges (19) are connected with one of the threaded shafts (4) in an embedded mode.
5. The submarine insulated cable connecting structure according to claim 1, wherein a sealing sheath (9) is arranged between the threaded shaft (4) and the sleeve shaft (5), the sealing sheath (9) is sleeved on the surface of the cable body (1), the sealing sheath (9) is attached to the side wall of the sleeve shaft (5), a plurality of evenly distributed tilted edges (8) are arranged on the surface of the cable body (1), and the tilted edges (8) are connected with the inside of the clamping groove (7) in a clamping mode.
6. The submarine insulated cable connecting structure according to claim 1, wherein the extrusion column (10) is of a circular ring structure, an arc groove (12) is formed in the middle surface of the extrusion column (10), the arc groove (12) is connected with a pressing block (17) in a fitting mode, sealing jackets (9) are arranged at two ends of the extrusion column (10), the surfaces of the sealing jackets (9) are fixedly connected with a pressing pad (20), the pressing pad (20) is of a circular ring structure and is located at one end of the sealing jackets (9), and the surfaces of the pressing pad (20) are in contact with screws (13) distributed in a circular structure.
7. The submarine insulated cable connecting structure according to claim 1, wherein the cover plate (21) is of a circular ring structure, the cover plate (21) is in sliding connection with the surface of the threaded groove (3), a sealing ring (22) is fixedly connected to one side of the cover plate (21), the sealing ring (22) is of a circular ring structure and is identical to the cover plate (21) in shape, and the sealing ring (22) is in fit connection with the side wall of the threaded shaft (4).
8. The submarine insulated cable connecting structure according to claim 7, wherein grooves (23) are formed in edges of the cover plate (21) and the sealing ring (22), the grooves (23) are of a circular ring structure, nuts (18) are contained in the grooves (23), and a plurality of evenly distributed inserted rods (24) are fixedly connected to one side of the cover plate (21);
a plurality of evenly distributed slots (25) are formed in one side edge of the threaded shaft (4), each slot (25) is embedded and spliced with the inserted rod (24), the edge of the threaded shaft (4) is in threaded connection with a plurality of evenly distributed bolts (26), the bolts (26) are inserted and spliced with the protrusions (19) in a penetrating mode and extend to the inside of the slots (25), and the bolts (26) are in threaded connection with the inserted rod (24).
9. A submarine insulated cable connection method, characterized by comprising the steps of:
step a, placing
The method comprises the steps of connecting cable bodies (1) by adopting a connector (2), sleeving a cover plate (21) at the end part of one of the cable bodies (1) before connection, sleeving two threaded shafts (4) on the cable body (1) and screwing the threaded shafts on a threaded groove (3) to two sides, placing the connector (2) inside an extrusion column (10), embedding sleeve shafts (5) at two sides of the extrusion column (10), sleeving sealing sleeves (9) at two ends of the extrusion column (10), sleeving sleeve shafts (5) and sealing sleeves (9) at two ends of the cable body (1), and enabling the cable body (1) to extend into the extrusion column (10) and be connected with the connector (2);
step b, fastening
After the operation is finished, the screw rod (13) passes through the threaded shafts (4) and is screwed and fixed through the nuts (18), at the moment, the protrusions (19) are positioned in one of the threaded shafts (4), at the moment, the threaded shafts (4) extrude the pressing pad (20), the sealing jackets (9) are tightly attached to the surfaces of the extrusion columns (10), the pressing blocks (17) are pushed to move through the screwing knob (15), the pressing blocks (17) are enabled to be in contact with the steel wire ropes (16) and tighten the steel wire ropes, the pressing blocks (17) drive the middle parts of the steel wire ropes (16) to move to the arc grooves (12), compression limiting is achieved, at the moment, the screw rod (13) can prevent the cable caused by rotation of the threaded shafts (4), and meanwhile, the steel wire ropes (16) compress and fix the two sealing jackets (9) to avoid loosening of the sealing jackets (9);
step c, ending
The cover plate (21) is pushed to the surface of the threaded shaft (4) and is attached to the threaded shaft (4) through the sealing ring (22), at the moment, the end part of the screw rod (13) and the nut (18) are both located inside the groove (23), the inserting rod (24) is driven to be inserted into the slot (25), the bolt (26) is screwed up to penetrate through the boss (19) of the screw rod (13) and move to the position of the slot (25) to be connected with the inserting rod (24), and the screw rod (13) can be prevented from rotating to cause the loosening of the threaded shaft (4) when the connecting part of the nut (18) is sealed and protected.
10. The submarine insulated cable connecting method according to claim 1, wherein when the threaded shaft (4) is installed, the threaded shaft is moved from one side of the tilted edge (8) to the other side, when the sleeve shaft (5) is installed, after the tilted edge (8) is moved into the clamping groove (7), the tilted edge (8) is bent and deformed, then tilted again and limited by the clamping groove (7), meanwhile, the two sleeve shafts (5) are limited by the extrusion column (10), and the joint (2) is extruded through the threaded shaft (4) to realize sealing, and at the moment, the sealing gasket (6) of the inner ring of the sleeve shaft (5) is extruded and deformed with the insulating gasket (11), so that the sealing performance and stability are guaranteed due to the fact that the sealing gasket (6) is tightly attached to the surface of the cable body (1) in the extrusion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310370626.0A CN116417966A (en) | 2023-04-07 | 2023-04-07 | Submarine insulated cable connecting structure and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310370626.0A CN116417966A (en) | 2023-04-07 | 2023-04-07 | Submarine insulated cable connecting structure and connecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116417966A true CN116417966A (en) | 2023-07-11 |
Family
ID=87050957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310370626.0A Withdrawn CN116417966A (en) | 2023-04-07 | 2023-04-07 | Submarine insulated cable connecting structure and connecting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116417966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080793A (en) * | 2023-10-16 | 2023-11-17 | 珩星电子（连云港）股份有限公司 | High-voltage cable connector |
-
2023
- 2023-04-07 CN CN202310370626.0A patent/CN116417966A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080793A (en) * | 2023-10-16 | 2023-11-17 | 珩星电子（连云港）股份有限公司 | High-voltage cable connector |
| CN117080793B (en) * | 2023-10-16 | 2024-01-23 | 珩星电子（连云港）股份有限公司 | High-voltage cable connector |
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Application publication date: 20230711 |