CN114000832A - Wellhead steel pipe cable connector - Google Patents
Wellhead steel pipe cable connector Download PDFInfo
- Publication number
- CN114000832A CN114000832A CN202111232695.2A CN202111232695A CN114000832A CN 114000832 A CN114000832 A CN 114000832A CN 202111232695 A CN202111232695 A CN 202111232695A CN 114000832 A CN114000832 A CN 114000832A
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- Prior art keywords
- cable
- sealing
- steel pipe
- main body
- cable connector
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 241000191291 Abies alba Species 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 241000309551 Arthraxon hispidus Species 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 abstract description 3
- 229920002530 polyetherether ketone Polymers 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/028—Electrical or electro-magnetic connections
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/028—Electrical or electro-magnetic connections
- E21B17/0285—Electrical or electro-magnetic connections characterised by electrically insulating elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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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
- H01R13/502—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
-
- 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a wellhead steel pipe cable connector, which comprises a flange part, a connecting bracket and a cable connector main body, wherein the flange part is fixedly connected with the connecting bracket; the cable is output from the shaft bottom through the flange part on the Christmas tree and then is connected with the cable connector main body through the connecting bracket, the output cable port is also connected with the contact pin and the clamping part, the socket connector is connected with the inside of the cable connector main body and is connected with the contact pin and the clamping part through the socket connector, and the sealing property and the stability of cable connection are ensured; the connection among all the parts is sealed connection, and a plurality of sealing insulating layers are arranged in the connector main body, so that the sealing property and the pressure resistance of the connection are further ensured, and the sealing insulating layers are made of PEEK (polyether-ether-ketone) materials and are made of other metal materials, so that the high-temperature resistance of the connector is improved; therefore, the cable connector in the application has good sealing performance and high temperature and high pressure resistance.
Description
Technical Field
The invention relates to the technical field of oil production wellhead cable protection, in particular to a wellhead steel pipe cable connector.
Background
In the oil collection operation, a Christmas tree is a common device which is usually arranged on a wellhead device for extracting oil, such as a self-blowing well, a mechanical production well and the like, and is connected with each layer of underground casing pipes through the Christmas tree to seal each layer of casing pipe annular space; with the gradual development of cables, steel pipe cables gradually replace underground common cables due to good performance of the steel pipe cables, and how to ensure effective conduction of the steel pipe cables and the common cables under high pressure and high temperature becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the wellhead steel pipe cable connector, which realizes the sealing connection between a steel pipe cable and a common cable, protects the cable, improves the sealing performance of wellhead cable connection, and improves the pressure bearing and high temperature bearing capacity of the wellhead cable connector.
In order to achieve the purpose, the invention provides a wellhead steel pipe cable connector, which comprises a flange part for passing a cable, a connecting bracket with a split structure and a cable connector main body with the split structure; the cable connector main body is connected with the flange part through the connecting support, one end of the flange part is connected to a Christmas tree, a cable penetrates through the other end of the flange part and freely extends out of the flange part, a contact pin is fixedly connected to the freely extending end of the cable, a clamping part is connected to the cable close to the contact pin end, a plug-in connector is connected to the cable connector main body in a sealing mode, and the clamping part is connected with the plug-in connector in a sealing mode and enables the contact pin to be inserted into the plug-in connector to achieve conduction. The steel pipe cable extends into the cable connector main body through the flange part, the connecting support is connected between the flange part and the cable connector main body, the connecting support and the connecting support are connected, sealing performance of the steel pipe cable during transition is guaranteed, a contact pin is connected to a port of the steel pipe cable, and the steel pipe cable is connected with the cable connector main body through a difference value, so that assembly is more convenient, and smooth connection of the steel pipe cable and a common cable for inputting power is guaranteed.
Further, the connecting bracket comprises a first connecting bracket, a second connecting bracket and a lock nut, one end of the first connecting bracket is connected with the flange portion in a sealing manner, the other end of the first connecting bracket is connected with one end of the second connecting bracket in a sealing manner, the other end of the second connecting bracket is connected with the cable connector main body in a sealing manner, and the lock nut is connected with the second connecting bracket in a threaded manner and fixes the second connecting bracket on the cable connector main body; the split type connection of the connecting support enables a certain position deviation to be allowed during assembly, and the processing difficulty and the assembly difficulty are reduced.
Further, the cable connector main body comprises a main body upper shell and a main body lower shell, the main body upper shell is connected with the main body lower shell in a sealing mode, and the plug is connected into the main body upper shell in a sealing mode; the split connection of the connector body makes the assembly easier.
Furthermore, the plug connector comprises a plug connector shell, a conductive cylinder is arranged in the plug connector shell, one end of the conductive cylinder is connected with an electrode elastic ring, the conductive cylinder is connected with a conductive cylinder insert, and the conductive cylinder insert is communicated with the electric energy input cable.
Furthermore, the clamping part comprises a connecting sealing sleeve, a taper sleeve, a sealing insulating sleeve, a taper clamping piece and a clamping head; the connecting sealing sleeve is connected with the cable in a sealing manner, one end of the connecting sealing sleeve is provided with a conical clamping interface, the outer wall of the conical buckling interface is provided with an external thread, the other end of the connecting sealing sleeve is provided with a sealing insertion end, and the inner wall of a port of the sealing insertion end is provided with an internal thread; the taper clamping piece stretches into the interior cooperation of taper joint mouth, the joint head supports tightly the taper clamping piece and with the external screw thread cooperation fastening, the one end of taper cover is inserted sealed grafting end is interior and is connected seal cover sealing connection, the other end of taper cover has a taper inner chamber, sealed insulating taper cover one end stretches into in the taper inner chamber, the other end of sealed insulating taper cover extends to contact pin position department.
Further, still include the cable locating component of fixed connection on the cable, the cable locating component includes steel pipe sealing device and steel pipe linkage, steel pipe sealing device with flange portion sealing connection, steel pipe linkage next-door neighbour the steel pipe linkage sets up, steel pipe linkage includes a plurality of lock nuts, and is adjacent be provided with chucking taper sleeve between the lock nut and threaded connection between two adjacent lock nuts, the setting up of cable locating component makes the steel pipe cable fix a position better for cable length selects more accurately.
Furthermore, pressure testing holes are respectively processed on the first support and the second support, plugs are arranged in the pressure testing holes, the arrangement of the pressure testing holes enables the tightness of the connector to be tested through the pressure testing holes, and the tightness of the connector is improved.
Furthermore, an insulating conductive cylinder is coated around the conductive cylinder and the conductive cylinder insert, so that the conductive cylinder and the conductive cylinder insert are insulated from the outside, a pressing plate is connected to the end face, close to one end of the conductive cylinder insert, of the conductive cylinder through a bolt, and the insulating conductive cylinder is more stable due to the arrangement of the pressing plate.
Furthermore, the lower shell of the main body is filled with a middle part for sealing and molding; the tail part of the lower shell of the main body is connected with a tail shell, the tail part of the tail shell is connected with a tail pressing ring, and the middle part of the tail shell is filled with a lower sealing forming layer; the sealing forming ensures the whole sealing performance, high temperature resistance and insulating performance.
The invention has the beneficial effects that:
1. the invention structurally ensures the tightness of the steel pipe cable during output through the connection of the flange part and the Christmas tree; and be connected with a linking bridge between connector main part and flange portion, guaranteed the stability and the leakproofness of connecting through linking bridge, and be provided with the pressure testing hole on linking bridge respectively, through the pressure testing hole joinable pressure testing equipment leakproofness test, further guaranteed the leakproofness of cable both ends connection.
2. A cable positioning component is adopted on the steel pipe cable line, and a clamping part is connected at the port of the steel pipe cable; the steel pipe cable is positioned through the cable positioning assembly, a positioning reference is provided for accurate connection of the contact pin and the cable connecting main body, and connection accuracy is guaranteed; the arrangement of the clamping portion ensures the tightness of the cable inserted into the cable connector main body.
3. The connector is connected to the cable connector body, the connector is connected with a contact pin of a steel pipe cable in an inserting mode, assembly is convenient, the insulating conductive cylinder is filled in the sealing connection between the connector and the body, the insulating layers are filled in the shell and the lower shell on the body, the insulating performance of the whole connection is guaranteed, and the safety of the device is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is an assembly view of a steel tube cable connector according to an embodiment of the present invention;
FIG. 2 is a sectional structural view of the steel pipe cable connector shown in FIG. 1;
fig. 3 is a view showing an assembling structure of the connecting bracket and the cable connector main body according to the present invention;
FIG. 4 is a schematic structural view of a clamping portion provided in the present invention;
fig. 5 is a schematic structural diagram of a cable positioning assembly provided by the present invention.
In the drawing, a christmas tree 100, a flange 200, a connecting bracket 300, a first connecting bracket 301, a plug 302, a pressure test hole 303, a second connecting bracket 304, a lock nut 305, a cable connector body 400, a body upper shell 401, a body lower shell 402, a middle sealing molding layer 403, a lower sealing molding layer 404, a tail shell 405, a tail pressing ring 406, a steel pipe cable 500, a clamping head 501, a connecting sealing sleeve 502, a taper sleeve 503, a sealing insulating sleeve 504, a pin 505, a steel pipe sealing device 506, a steel pipe suspension device 507, a clamping taper sleeve 508, an electric energy input cable 600, a plug connector 700, a plug connector shell 701, a conductive cylinder 702, an insulating conductive cylinder, an electrode elastic ring 704, a conductive cylinder insert 705 and a pressing plate 706 are included.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1-2, an embodiment of the present invention is: a wellhead steel pipe cable 500 connector comprises a flange part 200 for passing a cable, a connecting support 300 and a cable connector main body 400, wherein the flange part 200 comprises an upper flange and a lower flange, the upper flange is connected with the lower flange through bolts, one end of the upper flange is connected to a Christmas tree 100 through taper threads, and the steel pipe cable 500 extends out of the lower flange through the upper flange; the cable connector main body 400 is connected with the flange part 200 through the connecting bracket 300, a contact pin 505 is fixedly connected to a free extending end of a cable, a clamping part is connected to the cable close to the contact pin 505, a plug connector 700 is hermetically connected in the cable connector main body 400, and the clamping part is hermetically connected with the plug connector 700 and enables the contact pin 505 to be inserted into the plug connector 700 to realize conduction; the connecting bracket 300 includes a first connecting bracket 301, a second connecting bracket 304 and a lock nut 305, wherein one end of the first connecting bracket 301 is connected to the flange portion 200 in a sealing manner, the other end of the first connecting bracket 301 is connected to one end of the second connecting bracket 304 in a sealing manner, the other end of the second connecting bracket 304 is connected to the cable connector main body 400 in a sealing manner, and the lock nut 305 is connected to the second connecting bracket 304 in a threaded manner and fixes the second connecting bracket 304 to the cable connector main body 400; pressure test holes 303 are respectively processed on the first support and the second support, and plugs 302 are arranged in the pressure test holes 303; pressure testing hole 303's setting makes accessible outside pressure testing equipment carry out the gas tightness test, the leakproofness of connection has been guaranteed, linking bridge 300 split type even makes and allows certain positional deviation when the assembly, the processing degree of difficulty and the assembly degree of difficulty have been reduced, wherein sealing connection among the above-mentioned is through "O" type sealing washer or "O" type sealing washer combination retaining ring realization sealing connection, wherein the retaining ring uses including setting up the sealing connection between second linking bridge 304 and electric connector main part with "O" type sealing washer combination, setting up of retaining ring provides higher bearing capacity for it.
In the above embodiment, the steel pipe cable 500 extends into the cable connector body 400 through the flange portion 200, the connecting bracket 300 is connected between the flange portion 200 and the cable connector body 400, and the connecting bracket 300 is connected to ensure the sealing performance of the steel pipe cable 500 during transition, and the port of the steel pipe cable 500 is connected with the pin 505 and connected with the cable connector body 400 through the pin 505, so that the assembly is more convenient and the smooth connection between the steel pipe cable 500 and a common cable for inputting power is ensured.
In the above embodiment, as shown in fig. 3, the cable connector main body 400 includes a main body upper shell 401 and a main body lower shell 402, the main body upper shell 401 is connected with the main body lower shell 402 in a sealing manner, and the plug connector 700 is connected in the main body upper shell 401 in a sealing manner; casing 402 intussuseption is filled with middle part and seals shaping layer 403 under the main part, and wherein separation portion seals shaping layer and adopts high temperature epoxy, casing 402 tail connection has a tail shell 405 under the main part, the tail connection of tail shell 405 has a tail clamping ring 406, the middle part of tail shell 405 is filled with lower part and is sealed shaping layer 404, and lower part seals shaping layer 404 and adopts AFLAS material, and the split type design of cable connector main part 400 has reduced the assembly degree of difficulty, has reduced each spare part processing degree of difficulty.
In the above embodiment, the plug-in connector 700 includes a housing 701, a conductive barrel 702 is disposed in the housing 701, an electrode elastic ring 704 is connected to one end of the conductive barrel 702, a conductive barrel 702 insert is connected to the conductive barrel 702, the conductive barrel 702 insert is communicated with the power input cable 600, and the plug-in connector 700 is designed separately, so that the connection stability with the cable plug pin 505 is ensured, and the processing difficulty and the assembly difficulty are reduced.
In the above embodiment, as shown in fig. 4, the clamping portion includes a connecting sealing sleeve 502, a taper sleeve 503, a sealing insulating sleeve 504, a taper clip and a clamping head 501; the connecting sealing sleeve 502 is connected with the cable in a sealing manner, one end of the connecting sealing sleeve 502 is provided with a conical clamping interface, the outer wall of the conical buckling interface is provided with an external thread, the other end of the connecting sealing sleeve 502 is provided with a sealing insertion end, and the inner wall of a port of the sealing insertion end is provided with an internal thread; the taper clamping piece extends into the taper clamping opening to be matched, the clamping connector 501 abuts against the taper clamping piece and is matched and fastened with the external thread, one end of the taper sleeve 503 is inserted into the sealing insertion end to be connected with the connecting sealing sleeve 502 in a sealing mode, the other end of the taper sleeve 503 is provided with a taper inner cavity, one end of the sealing insulating taper sleeve 503 extends into the taper inner cavity, and the other end of the sealing insulating taper sleeve 503 extends to the position of the contact pin 505; the sealing performance and the insulating performance of the position of the contact pin 505 of the steel pipe cable 500 are ensured by the arrangement of the clamping portion, and the connection stability of the steel pipe cable 500 is ensured by the connection of the clamping portion and the plug-in connector 700.
In the above embodiment, as shown in fig. 5, the cable positioning device further includes a cable positioning assembly fixedly connected to the cable, the cable positioning assembly includes a steel tube sealing device 506 and a steel tube suspension device 507, the steel tube sealing device 506 is hermetically connected to the flange portion 200, the steel tube suspension device 507 is disposed adjacent to the steel tube suspension device 507, the steel tube suspension device 507 includes a plurality of lock nuts, a clamping taper sleeve 508 is disposed between adjacent lock nuts, and two adjacent lock nuts are connected by a thread, because the steel tube cable 500 directly extends out through the flange portion 200, the problem of different distances between the extending sections of the steel tube cable is difficult to avoid, and the positioning assembly is limited by the cable positioning assembly, so that the accurate control of the length of the cable is ensured, and further, the stability of the cable plug connection is improved.
In the above embodiment, the conductive tube 702 and the conductive tube insert 705 are surrounded by the insulating conductive tube 703, wherein the insulating conductive tube 703 is made of PEEK, so that the conductive tube 702 and the conductive tube insert 705 are insulated from the outside, the end surface of the conductive tube 702 close to one end of the conductive tube insert 705 is connected with the pressing plate 706 through the bolt, and the insulating layer is formed on the periphery of the conductive tube 702 due to the arrangement of the insulating conductive tube 703, so that the insulating performance of the communication is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a well head steel pipe cable connector which characterized in that: the cable connector comprises a flange part for passing a cable, a connecting bracket of a split structure and a cable connector main body of the split structure; the cable connector main body is connected with the flange part through the connecting support, one end of the flange part is connected to a Christmas tree, a cable penetrates through the other end of the flange part and freely extends out of the flange part, a contact pin is fixedly connected to the freely extending end of the cable, a clamping part is connected to the cable close to the contact pin end, a plug-in connector is connected to the cable connector main body in a sealing mode, and the clamping part is connected with the plug-in connector in a sealing mode and enables the contact pin to be inserted into the plug-in connector to achieve conduction.
2. A wellhead steel pipe cable connector as claimed in claim 1, wherein: the connecting support comprises a first connecting support, a second connecting support and a locking nut, one end of the first connecting support is connected with the flange portion in a sealing mode, the other end of the first connecting support is connected with one end of the second connecting support in a sealing mode, the other end of the second connecting support is connected with the cable connector main body in a sealing mode, and the locking nut is in threaded connection with the second connecting support and fixes the second connecting support on the cable connector main body.
3. A wellhead steel pipe cable connector as claimed in claim 1, wherein: the cable connector main body comprises a main body upper shell and a main body lower shell, the main body upper shell is connected with the main body lower shell in a sealing mode, and the plug-in connector is connected into the main body upper shell in a sealing mode.
4. A wellhead steel pipe cable connector as claimed in any one of claims 1 or 3, wherein: the connector comprises a connector shell, a conductive cylinder is arranged in the connector shell, one end of the conductive cylinder is connected with an electrode elastic ring, the conductive cylinder is also connected with a conductive cylinder insert, and the conductive cylinder insert is communicated with an electric energy input cable.
5. A wellhead steel pipe cable connector as claimed in claim 1, wherein: the clamping part comprises a connecting sealing sleeve, a taper sleeve, a sealing insulating sleeve, a taper clamping piece and a clamping head; the connecting sealing sleeve is connected with the cable in a sealing manner, one end of the connecting sealing sleeve is provided with a conical clamping interface, the outer wall of the conical buckling interface is provided with an external thread, the other end of the connecting sealing sleeve is provided with a sealing insertion end, and the inner wall of a port of the sealing insertion end is provided with an internal thread; the taper clamping piece stretches into the interior cooperation of taper joint mouth, the joint head supports tightly the taper clamping piece and with the external screw thread cooperation fastening, the one end of taper cover is inserted sealed grafting end is interior and is connected seal cover sealing connection, the other end of taper cover has a taper inner chamber, sealed insulating taper cover one end stretches into in the taper inner chamber, the other end of sealed insulating taper cover extends to contact pin position department.
6. A wellhead steel pipe cable connector as claimed in claim 1, wherein: the cable positioning device is characterized by further comprising a cable positioning assembly fixedly connected to a cable, wherein the cable positioning assembly comprises a steel pipe sealing device and a steel pipe hanging device, the steel pipe sealing device is connected with the flange portion in a sealing mode, the steel pipe hanging device is close to the steel pipe hanging device, the steel pipe hanging device comprises a plurality of locking nuts, and the locking nuts are connected with each other through threads between two adjacent locking nuts in a clamping taper sleeve mode.
7. A wellhead steel pipe cable connector as claimed in claim 2, wherein: pressure testing holes are respectively processed on the first support and the second support, and plugs are arranged in the pressure testing holes.
8. A wellhead steel pipe cable connector as claimed in claim 4, wherein: an insulating conductive barrel is wrapped around the conductive barrel and the conductive barrel insert, so that the conductive barrel and the conductive barrel insert are insulated from the outside, and a pressing plate is connected to the end face, close to one end of the conductive barrel insert, of the conductive barrel through a bolt.
9. A wellhead steel pipe cable connector as claimed in claim 3, wherein: the lower shell of the main body is filled with a middle sealing and forming layer.
10. A wellhead steel pipe cable connector as claimed in claim 3, wherein: the tail of the main body lower shell is connected with a tail shell, the tail of the tail shell is connected with a tail pressing ring, and the middle of the tail shell is filled with a lower sealing forming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232695.2A CN114000832B (en) | 2021-10-22 | 2021-10-22 | Wellhead steel pipe cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232695.2A CN114000832B (en) | 2021-10-22 | 2021-10-22 | Wellhead steel pipe cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114000832A true CN114000832A (en) | 2022-02-01 |
| CN114000832B CN114000832B (en) | 2024-06-07 |
Family
ID=79923789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111232695.2A Active CN114000832B (en) | 2021-10-22 | 2021-10-22 | Wellhead steel pipe cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114000832B (en) |
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| US7955105B2 (en) * | 2006-06-30 | 2011-06-07 | Vetco Gray Scandinavia As | Connector arrangement with penetrator in a submersible electrical assembly |
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| CN214412172U (en) * | 2021-02-07 | 2021-10-15 | 重庆昌瑞电器制造有限公司 | Wellhead cable penetration device for inclined cable hole |
| CN216341947U (en) * | 2021-10-22 | 2022-04-19 | 重庆昌瑞电器制造有限公司 | Wellhead steel pipe cable connector |
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2021
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|---|---|
| CN114000832B (en) | 2024-06-07 |
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