CN116667041B - Shielding type separable connector for 66kV offshore cable - Google Patents
Shielding type separable connector for 66kV offshore cable Download PDFInfo
- Publication number
- CN116667041B CN116667041B CN202310911912.3A CN202310911912A CN116667041B CN 116667041 B CN116667041 B CN 116667041B CN 202310911912 A CN202310911912 A CN 202310911912A CN 116667041 B CN116667041 B CN 116667041B
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- shell
- sealing ring
- sliding
- casing
- arc
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- 238000007789 sealing Methods 0.000 claims abstract description 89
- 239000013535 sea water Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000004927 fusion Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/621—Bolt, set screw or screw clamp
- H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
Landscapes
- Cable Accessories (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The application relates to the technical field of cable installation, in particular to a shielding separable connector for a 66kV offshore cable. Including first casing, second casing, first sealing ring, second sealing ring and sealing mechanism etc, first sealing ring is connected with first casing, and the diameter of first sealing ring reduces from a left side to the right side gradually, and the second sealing ring is connected with the second casing, and the diameter of second sealing ring increases from the right side to the left side gradually, and when first sealing ring contacted with the second sealing ring, can extrude each other and closely laminate for seal isolated sea water, sealing mechanism is used for sealing between cable body and first casing and the second casing. According to the application, the diameter of the first sealing ring is gradually reduced from left to right, and the diameter of the second sealing ring is gradually increased from right to left, after the first sealing ring is contacted with the second sealing ring, the fastening bolt is screwed down, and the first sealing ring and the second sealing ring are mutually extruded to form tight fit, so that a good sealing waterproof effect is achieved.
Description
Technical Field
The application relates to the technical field of cable installation, in particular to a shielding separable connector for a 66kV offshore cable.
Background
The model of 66KV marine cable head is defined as a control cable, and the control cable is a polyvinyl chloride insulated and polyvinyl chloride sheath control cable which is suitable for industrial and mining enterprises, energy transportation departments, control and protection circuits with the alternating current rated voltage below 450/750V and the like.
At present, submarine cables are generally connected through shielding type separable connectors, when the existing separable connectors are used, two separable connectors are respectively arranged on two submarine cables, and then the two separable connectors are connected, so that the connection of the two submarine cables can be completed; however, the two separable connectors are sealed by extrusion of the rubber ring, the submarine cable and the separable connectors are also sealed by extrusion of the rubber ring, and the rubber ring is affected by water pressure and eroded by seawater on the seabed, so that the rubber ring is easy to damage, the overall sealing performance is affected, and the waterproof effect is poor.
Disclosure of Invention
In view of the above, the application provides a shielding type separable connector for 66kV offshore cables, which can overcome the defects that the rubber ring of the existing separable connector is easy to be damaged when the existing separable connector is used on the seabed, so that the integral sealing performance is affected, and the waterproof effect is poor. The technical scheme is as follows:
the utility model provides a 66kV marine cable is with shielding formula separable connector, including first casing, the second casing, fastening bolt and nut, first casing and second casing are bilateral symmetry distribution, threaded connection has a plurality of fastening bolts on the second casing, be connected with a plurality of nuts on the first casing, nut and fastening bolt one-to-one, it can make first casing and second casing be connected to screw up fastening bolt, still including first sealing ring, the second sealing ring, clamping mechanism and sealing mechanism, first sealing ring is connected with first casing, and the diameter of first sealing ring reduces from left to right gradually, the second sealing ring is connected with the second casing, and the diameter of second sealing ring increases from right to left gradually, when first sealing ring contacts with the second sealing ring, can extrude each other and closely laminate for seal isolated sea water, clamping mechanism is used for pressing from both sides the inner of two cable bodies tightly, with supplementary interconnect of two cable bodies, sealing mechanism is used for sealing between cable body and first casing and the second casing.
Preferably, the clamping mechanism comprises a mounting block, a sliding rod, a first roller, a compression spring and a clamping piece, wherein a plurality of mounting blocks are connected to the second shell, the sliding rod is in sliding connection with the mounting blocks and can slide towards the inner side or the outer side, the first roller is rotationally connected with the sliding rod, the first sealing ring moves towards the right and contacts with the first roller to extrude the first roller to move towards the inner side, the compression spring is connected with the sliding rod and the mounting blocks to enable the sliding rod to elastically reset towards the outer side, and the clamping piece is connected with the sliding rod to enable the clamping piece to clamp the inner ends of two cable bodies when moving towards the inner side along with the sliding rod.
Preferably, the sealing mechanism comprises a rubber sleeve, a first arc-shaped guide rail, a second arc-shaped guide rail, a clamping plate, a sliding seat, a driving assembly and a hot-melting device, wherein the rubber sleeve is sleeved outside the cable body and can slide left and right, so that the rubber sleeve can be plugged between the cable body and the first shell and the second shell, the first arc-shaped guide rail and the second arc-shaped guide rail are connected in a rotating manner, the first arc-shaped guide rail and the second arc-shaped guide rail can be sleeved outside the first shell and the second shell, the clamping plate is rotationally connected with the first arc-shaped guide rail and can swing up and down, the clamping plate can swing down to clamp the second arc-shaped guide rail, so that the first arc-shaped guide rail and the second arc-shaped guide rail are fixed on the first shell and the second shell, the sliding seat is slidably connected with the second arc-shaped guide rail, the hot-melting device is installed on the sliding seat, and the hot-melting device is used for carrying out hot melting on the rubber sleeve, so that the cable body and the first shell and the second shell can be tightly connected through the rubber sleeve, and the driving assembly is used for driving the sliding seat to rotate circumferentially around the first shell and the second shell.
Preferably, the driving assembly comprises a driving motor and a second roller, the driving motor is connected with the sliding seat, the second roller is connected with an output shaft of the driving motor through a coupler, and the second roller can roll outside the first shell and the second shell.
Preferably, the sealing mechanism further comprises a baffle, and the inner sides of the first shell and the second shell are respectively connected with a baffle for blocking the rubber sleeve after hot melting.
Preferably, the cable is characterized by further comprising a protection mechanism, wherein the protection mechanism comprises a protection shell, a one-way valve and a fixing component, the protection shell is sleeved outside the cable body and can slide left and right, the protection shell is positioned outside the rubber sleeve, the one-way valve is arranged on the protection shell, an oil storage cavity is formed in the protection shell, insulating oil can be injected into the oil storage cavity through the one-way valve, so that the water pressure of seawater to the protection shell is counteracted through the insulating oil, and the fixing component is used for fixing the position of the protection shell.
Preferably, the fixed subassembly is including hollow rubber ring, the installation pole, sliding tube, connecting pipe and reset spring, equal symmetry is connected with two hollow rubber rings in the protecting crust, the cable body runs through hollow rubber ring middle part, the oil storage chamber is located between two hollow rubber rings, all be connected with the installation pole in the oil storage chamber, sliding tube and installation pole sliding connection and can slide from top to bottom, sliding tube lower extreme and hollow rubber ring intercommunication, all be connected with the connecting pipe on the sliding tube, connecting pipe and check valve sliding seal contact, so that insulating oil accessible check valve, connecting pipe and sliding tube get into in the hollow rubber ring, so that hollow rubber ring inflation clamp cable body, reset spring connects installation pole and connecting pipe, so as to provide the connecting pipe and hug closely the power of check valve, reset spring winds in the sliding tube outside.
Preferably, the device further comprises an alignment assembly, the alignment assembly comprises a guide sleeve and a bolt, the first shell and the second shell are symmetrically connected with the guide sleeve, the guide sleeves are aligned in pairs, and the bolt is arranged between the two guide sleeves aligned with each other in a sliding mode.
The application has the following advantages:
1. according to the application, the diameter of the first sealing ring is gradually reduced from left to right, and the diameter of the second sealing ring is gradually increased from right to left, after the first sealing ring is contacted with the second sealing ring, the fastening bolt is screwed down, and the first sealing ring and the second sealing ring are mutually extruded to form tight fit, so that a good sealing waterproof effect is achieved.
2. According to the application, the rubber sleeve is pushed to the inner side, so that the rubber sleeve is respectively plugged between the cable body and the first shell and the second shell, then the driving motor can drive the hot-melting device to rotate around the outer sides of the first shell and the second shell, the hot-melting device can be used for hot-melting the rubber sleeve, the surface skin of the cable body and the inner walls of the first shell and the second shell can be slightly hot-melted, the rubber sleeve is formed by cooling after hot-melting, and the cable body, the first shell and the second shell are connected into a whole, so that a good sealing waterproof effect is achieved.
3. The protective shell moves inwards to be respectively in contact with the outer walls of the first shell and the second shell for sealing, then insulating oil can be injected into the protective shell through the one-way valve, so that the hollow rubber ring is expanded to clamp the cable body, the position of the protective shell is fixed, then the insulating oil can fill the oil storage cavity, the insulating oil in the oil storage cavity can counteract the water pressure of seawater on the protective shell, the protective shell can protect the sealing parts of the cable body and the first shell and the second shell, and the sealing parts of the cable body and the first shell and the second shell are prevented from being corroded by the seawater.
4. According to the application, through the matching of the bolt and the guide sleeve, the first shell and the second shell can be aligned and installed at one time, so that the time is saved.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a schematic perspective view of a second housing and a second seal ring according to the present application.
Fig. 3 is a schematic perspective view of the first housing and the first seal ring according to the present application.
Fig. 4 is a schematic perspective view of a first embodiment of the clamping mechanism of the present application.
Fig. 5 is a schematic view of a second perspective structure of the clamping mechanism of the present application.
Fig. 6 is a schematic perspective view of the sealing mechanism of the present application.
Fig. 7 is a schematic view of a partial perspective view of the sealing mechanism of the present application.
Fig. 8 is a schematic diagram of the specific structure of fig. 7 according to the present application.
Fig. 9 is a schematic perspective view of the first housing and the baffle plate according to the present application.
Fig. 10 is a schematic perspective view of a protection mechanism according to the present application.
FIG. 11 is a cross-sectional view of a protective shell of the present application.
Fig. 12 is a schematic perspective view of an alignment assembly of the present application.
In the above figures: 1: cable body, 2: first housing, 21: first sealing ring, 3: second housing, 31: second seal ring, 4: fastening bolt, 5: nut, 6: clamping mechanism, 61: mounting block, 62: slide bar, 63: first roller, 64: compression spring, 65: clamping piece, 7: sealing mechanism, 71: rubber sleeve, 72: first arcuate guide rail, 73: second arcuate guide rail, 74: cardboard, 75: slide base, 76: drive motor, 77: second roller, 78: hot melter, 79: baffle, 8: protection mechanism, 81: protective shell, 82: check valve, 83: hollow rubber ring, 84: oil storage chamber, 85: mounting bar, 86: slide tube, 87: connecting tube, 88: reset spring, 9: alignment assembly, 91: guide sleeve, 92: a bolt.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The utility model provides a 66kV is shielded separable connector for marine cable, as shown in fig. 1-9, including first casing 2, first sealing ring 21, second casing 3, second sealing ring 31, fastening bolt 4, nut 5, clamping mechanism 6 and sealing mechanism 7, first casing 2 is located second casing 3 left side, first casing 2 right side is connected with first sealing ring 21, the diameter of first sealing ring 21 reduces from left to right gradually, second casing 3 left side is connected with second sealing ring 31, the diameter of second sealing ring 31 increases from right to left gradually, first sealing ring 21 and second sealing ring 31 are close to each other, can carry out mutual extrusion laminating, form closely laminating state, in order to play the effect of sealing waterproof, the outside interval screw thread connection of second casing 3 has three fastening bolt 4, the outside interval of first casing 2 is connected with three nut 5, nut 5 and fastening bolt 4 screw down on nut 5, can connect first casing 2 and second casing 3, be equipped with clamping mechanism 6 in the second casing 3, be equipped with sealing mechanism 7 on the first casing 2.
As shown in fig. 1, fig. 4 and fig. 5, the clamping mechanism 6 comprises a mounting block 61, a sliding rod 62, a first roller 63, a compression spring 64 and a clamping piece 65, wherein the left side of the second shell 3 is connected with three mounting blocks 61 at intervals, the sliding rod 62 is connected to the mounting blocks 61 in a sliding manner, the first roller 63 is connected to the outer end of the sliding rod 62 in a rotating manner, the compression spring 64 is connected between the sliding rod 62 and the adjacent mounting blocks 61, the clamping piece 65 is connected to the inner end of the sliding rod 62, and the clamping piece 65 can clamp the inner ends of the two cable bodies 1 to assist the connection of the two cable bodies 1.
As shown in fig. 1, fig. 6, fig. 7, fig. 8 and fig. 9, the sealing mechanism 7 comprises a rubber sleeve 71, a first arc-shaped guide rail 72, a second arc-shaped guide rail 73, a clamping plate 74, a sliding seat 75, a driving motor 76, a second roller 77, a hot-melting device 78 and a baffle 79, wherein the rubber sleeve 71 is sleeved on the cable body 1, the rubber sleeve 71 can be plugged into the space between the cable body 1 and the first shell 2 and the second shell 3 inwards, the first arc-shaped guide rail 72 and the second arc-shaped guide rail 73 are connected with each other in a rotating manner, the first arc-shaped guide rail 72 and the second arc-shaped guide rail 73 can be sleeved on the outer sides of the first shell 2 and the second shell 3, the clamping plate 74 is connected with the second arc-shaped guide rail 73 in a rotating manner, the outer sides of the second arc-shaped guide rail 73 are connected with the sliding seat 75 in a sliding manner, the driving motor 76 and the hot-melting device 78 are arranged on the sliding seat 75, the hot-melting device 78 can heat-melt the rubber sleeve 71, the cable body 1 and the first shell 2 and the second shell 3 through the rubber sleeve 71 can be connected into a whole, the good waterproof effect is achieved, the first arc-shaped guide rail 72 and the second shell 3 is connected with the second roller 77 through the second shell 3, and the second roller 77 is connected with the second roller 3, and the second shell 3 through the good waterproof motor, and the rolling shaft is connected with the second shell 2.
Firstly, two cable bodies 1 respectively pass through the middle parts of a first shell 2 and a second shell 3, then the inner ends of the two cable bodies 1 are connected, then the first shell 2 and the second shell 3 are moved to the side close to each other, the first sealing ring 21 and the second sealing ring 31 are driven to move to the side close to each other to contact, when the first sealing ring 21 contacts with a first roller 63, the first roller 63 is extruded to move inwards, a sliding rod 62 is driven to move inwards, a compression spring 64 is compressed, the sliding rod 62 can drive a clamping piece 65 to move inwards, the clamping piece 65 can clamp the inner ends of the two cable bodies 1, the two cable bodies 1 are connected more tightly, then a fastening bolt 4 is screwed, the first shell 2 and the second shell 3 can be tightly jointed, the first sealing ring 21 and the second sealing ring 31 can be mutually extruded to form tight joint, the sealing and waterproof effects are achieved, then two groups of first arc guide rails 72 and second arc guide rails 73 are respectively sleeved outside the first shell 2 and the second shell 3, the clamping plate 74 is rotated to clamp the second arc guide rails 73, so that the first arc guide rails 72 and the second arc guide rails 73 form a ring shape to surround the outer sides of the first shell 2 and the second shell 3, at the moment, the heating ends of the hot-melt device 78 are respectively positioned in the first shell 2 and the second shell 3, then the rubber sleeve 71 is pushed inwards, the rubber sleeve 71 is respectively plugged between the cable body 1 and the first shell 2 and the second shell 3, the rubber sleeve 71 presses the heating ends of the hot-melt device 78, then the hot-melt device 78 is controlled to work, meanwhile, the second roller 77 is driven to rotate by the driving motor 76, and the second roller 77 can circumferentially roll outside the first shell 2 and the second shell 3, the hot-melting device 78 is driven to rotate around the outer sides of the first shell 2 and the second shell 3, the hot-melting device 78 can be used for hot-melting the rubber sleeve 71, the surface of the cable body 1 and the inner walls of the first shell 2 and the second shell 3 can be slightly hot-melted, then the hot-melting device 78 is controlled to stop working, the clamping plate 74 is reversely rotated to loosen the second arc-shaped guide rail 73, the first arc-shaped guide rail 72 and the second arc-shaped guide rail 73 can be taken away from the first shell 2 and the second shell 3 respectively, the hot-melting device 78 can be separated from the hot-melted rubber sleeve 71, and then the rubber sleeve 71 is waited for cooling and forming, so that the cable body 1, the first shell 2 and the second shell 3 can be connected into a whole through the rubber sleeve 71, and a good sealing and waterproof effect is achieved.
As shown in fig. 1, 10 and 11, the protection mechanism 8 is further included, the protection mechanism 8 includes a protection shell 81, a one-way valve 82, hollow rubber rings 83, a mounting rod 85, a sliding tube 86, a connecting tube 87 and a return spring 88, the protection shell 81 is all sleeved on the cable body 1, the protection shell 81 is located outside the rubber sleeve 71, the protection shell 81 slides inwards to protect the sealing positions of the cable body 1 and the first shell 2 and the second shell 3, the one-way valve 82 is all installed on the protection shell 81, two hollow rubber rings 83 are all symmetrically connected inside the protection shell 81, the cable body 1 penetrates through the middle part of the hollow rubber rings 83, when insulating oil is injected into the hollow rubber rings 83, the hollow rubber rings 83 can be expanded to clamp the cable body 1, so that the position of the protection shell 81 can be fixed, the inside of the protection shell 81 is all provided with an oil storage cavity 84, the oil storage cavity 84 is located between the two hollow rubber rings 83, the inside of the oil storage cavity 84 is all connected with the mounting rod 85, the middle part of the mounting rod 85 is all slidingly connected with the sliding tube 86, the lower end of the sliding tube 86 is communicated with the hollow rubber rings 83, the upper end of the sliding tube 86 is communicated with the hollow rubber rings 87, the upper end of the sliding tube 87 is in contact with the connecting tube 87, and the connecting tube is in contact with the return spring 88, and the connecting tube is connected with the adjacent connecting tube 88, and the outside is in contact with the connecting tube 87.
After the rubber sleeve 71 is hot melted, the cable body 1, the first shell 2 and the second shell 3 can be connected into a whole, then the protective shells 81 can be pushed to the inner side, the two protective shells 81 are respectively in contact and seal with the outer walls of the first shell 2 and the second shell 3, insulating oil can be injected into the protective shells 81 through the one-way valve 82, the insulating oil can enter the hollow rubber ring 83 through the connecting pipe 87 and the sliding pipe 86, the hollow rubber ring 83 is expanded to clamp the cable body 1, the protective shells 81 can be fixed on the cable body 1, the protective shells 81 are prevented from moving randomly, when the hollow rubber ring 83 cannot be expanded, the insulating oil can push the connecting pipe 87 and the sliding pipe 86 to move downwards, the return spring 88 is compressed, the connecting pipe 87 is separated from the one-way valve 82, at the moment, the insulating oil can be injected into the oil storage cavity 84 through the one-way valve 82, so that the water pressure of the protective shells 81 can be counteracted by the insulating oil in the oil storage cavity 84, the protective shells 81 can be used for sealing the cable body 1 and the first shell 2 and the second shell 3, and the sealing part of the cable body 1 and the second shell 2 can be prevented from being corroded by the seawater when the cable body 1 is installed in the sea.
As shown in fig. 1 and 12, the alignment device further comprises an alignment assembly 9, the alignment assembly 9 comprises a guide sleeve 91 and a bolt 92, the tops of the first shell 2 and the second shell 3 are respectively and symmetrically connected with the guide sleeve 91 in front and back, the guide sleeves 91 are aligned in pairs, and the bolt 92 is arranged between the two guide sleeves 91 aligned with each other in a sliding manner; after the inner ends of the two cable bodies 1 are connected, the bolts 92 can be respectively inserted between the two aligned guide sleeves 91, then the first shell 2 and the second shell 3 are moved to the side close to each other, the guide sleeves 91 are guided by the bolts 92, the first shell 2 and the second shell 3 can be prevented from tilting and shifting, the first shell 2 and the second shell 3 can be aligned at one time, and then people can screw the fastening bolt 4 conveniently.
It should be understood that this example is only illustrative of the application and is not intended to limit the scope of the application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
Claims (6)
1. The utility model provides a 66kV is separable connector for marine cable, including first casing (2), second casing (3), fastening bolt (4) and nut (5), first casing (2) and second casing (3) are bilateral symmetry and distribute, screw thread connection has a plurality of fastening bolts (4) on second casing (3), be connected with a plurality of nuts (5) on first casing (2), nut (5) and fastening bolt (4) one-to-one, screw up fastening bolt (4) can make first casing (2) and second casing (3) connect, characterized by, still include first sealing ring (21), second sealing ring (31), clamping mechanism (6) and sealing mechanism (7), first sealing ring (21) are connected with first casing (2), and the diameter of first sealing ring (21) reduces from left to right gradually, second sealing ring (31) are connected with second casing (3), and the diameter of second sealing ring (31) increases from right to left gradually, when first sealing ring (21) and second sealing ring (31) are in contact with each other, can press mutually tight connection of two sealing ring (1) sealing mechanism's inner cable, can be used for mutual tight connection of sealing mechanism (1), the sealing mechanism (7) is used for sealing between the cable body (1) and the first shell (2) and the second shell (3); the clamping mechanism (6) comprises a mounting block (61), a sliding rod (62), a first roller (63), a compression spring (64) and a clamping piece (65), wherein a plurality of mounting blocks (61) are connected to the second shell (3), the sliding rod (62) is in sliding connection with the mounting blocks (61) and can slide inwards or outwards, the first roller (63) is rotationally connected with the sliding rod (62), the first sealing ring (21) moves to the right and contacts with the first roller (63) so as to press the first roller (63) to move inwards, the compression spring (64) is connected with the sliding rod (62) and the mounting blocks (61) so as to enable the sliding rod (62) to elastically reset outwards, and the clamping piece (65) is connected with the sliding rod (62) so as to clamp the inner ends of two cable bodies (1) when the clamping piece (65) moves inwards along with the sliding rod (62); the sealing mechanism (7) comprises a rubber sleeve (71), a first arc-shaped guide rail (72), a second arc-shaped guide rail (73), a clamping plate (74), a sliding seat (75), a driving assembly and a hot-melting device (78), wherein the rubber sleeve (71) is sleeved on the outer side of the cable body (1) and can slide left and right, so that the rubber sleeve (71) can be plugged between the cable body (1) and the first shell (2) and the second shell (3), the first arc-shaped guide rail (72) and the second arc-shaped guide rail (73) are in rotary connection with each other, the first arc-shaped guide rail (72) and the second arc-shaped guide rail (73) can be sleeved on the outer side of the first shell (2) and the second shell (3), the clamping plate (74) is in rotary connection with the first arc-shaped guide rail (72) and can swing up and down, the clamping plate (74) can clamp the second arc-shaped guide rail (73) so as to fix the first arc-shaped guide rail (72) and the second arc-shaped guide rail (73) on the first shell (2) and the second shell (3), the sliding seat (75) and the second arc-shaped guide rail (73) are in rotary connection with the second arc-shaped guide rail (73) and the sliding seat (73) so that the hot-melting device (78) can be tightly connected with the first arc-shaped guide rail (2) and the second shell (3) through the sliding seat (78), the driving assembly is used for driving the sliding seat (75) to rotate circumferentially around the first shell (2) and the second shell (3).
2. A shielded separable connector for 66kV offshore cables according to claim 1, wherein the driving assembly comprises a driving motor (76) and a second roller (77), the driving motor (76) is connected to the sliding base (75), the second roller (77) is connected to an output shaft of the driving motor (76) through a coupling, and the second roller (77) is rotatable outside the first housing (2) and the second housing (3).
3. A shielded separable connector for 66kV offshore cables according to claim 2, wherein the sealing mechanism (7) further comprises a baffle (79), and the inner sides of the first housing (2) and the second housing (3) are both connected with a baffle (79) for blocking the rubber boot (71) after the heat fusion.
4. A shielding type separable connector for 66kV offshore cables according to claim 3, further comprising a protecting mechanism (8), wherein the protecting mechanism (8) comprises a protecting shell (81), a one-way valve (82) and a fixing component, the protecting shell (81) is sleeved outside the cable body (1) and can slide left and right, the protecting shell (81) is positioned outside the rubber sleeve (71), the protecting shell (81) is provided with the one-way valve (82), the inside of the protecting shell (81) is provided with an oil storage cavity (84), insulating oil can be injected into the oil storage cavity (84) through the one-way valve (82), so that the water pressure of seawater to the protecting shell (81) can be counteracted through the insulating oil, and the fixing component is used for fixing the position of the protecting shell (81).
5. The shielding type separable connector for 66kV offshore cables according to claim 4, wherein the fixing assembly comprises a hollow rubber ring (83), a mounting rod (85), a sliding pipe (86), a connecting pipe (87) and a return spring (88), wherein two hollow rubber rings (83) are symmetrically connected in the protective shell (81), the cable body (1) penetrates through the middle part of the hollow rubber ring (83), the oil storage cavity (84) is arranged between the two hollow rubber rings (83), the mounting rod (85) is connected in the oil storage cavity (84), the sliding pipe (86) is in sliding connection with the mounting rod (85) and can slide up and down, the lower end of the sliding pipe (86) is communicated with the hollow rubber ring (83), the connecting pipe (87) is communicated with the sliding pipe (86), the connecting pipe (87) is in sliding sealing contact with the one-way valve (82), so that insulating oil can enter the hollow rubber ring (83) through the one-way valve (82), the connecting pipe (87) and the sliding pipe (86), the hollow rubber ring (83) is expanded to clamp the cable body (1), the return spring (88) is connected with the connecting pipe (87) and the sliding pipe (86) can be tightly attached to the outer side of the connecting pipe (82), and the sliding pipe (87) can be tightly attached to the connecting pipe (87) by the sliding pipe (88).
6. The shielding type separable connector for 66kV offshore cables according to claim 5, further comprising an alignment assembly (9), wherein the alignment assembly (9) comprises a guide sleeve (91) and a bolt (92), the guide sleeves (91) are symmetrically connected to the first shell (2) and the second shell (3), the guide sleeves (91) are aligned in pairs, and the bolt (92) is arranged between the two guide sleeves (91) aligned in pairs in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310911912.3A CN116667041B (en) | 2023-07-25 | 2023-07-25 | Shielding type separable connector for 66kV offshore cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911912.3A CN116667041B (en) | 2023-07-25 | 2023-07-25 | Shielding type separable connector for 66kV offshore cable |
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| CN116667041B true CN116667041B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310911912.3A Active CN116667041B (en) | 2023-07-25 | 2023-07-25 | Shielding type separable connector for 66kV offshore cable |
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| CN116667041A (en) | 2023-08-29 |
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