CN116779227A - 10kV cable with tapping function - Google Patents
10kV cable with tapping function Download PDFInfo
- Publication number
- CN116779227A CN116779227A CN202311036020.XA CN202311036020A CN116779227A CN 116779227 A CN116779227 A CN 116779227A CN 202311036020 A CN202311036020 A CN 202311036020A CN 116779227 A CN116779227 A CN 116779227A
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- China
- Prior art keywords
- tapping
- cable
- insulating layer
- half pipe
- pipe
- Prior art date
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 73
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 16
- 238000005728 strengthening Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 40
- 239000004020 conductor Substances 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 7
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- 238000005452 bending Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or 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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/14—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by wrapping
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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
-
- 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
Landscapes
- Installation Of Indoor Wiring (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses a 10kV cable with a tapping function, which relates to the technical field of cable tapping, wherein an inner core is arranged in an insulating layer, a central line is arranged in the middle of the inner side of the insulating layer, supporting bars are uniformly welded on the outer side of a supporting ring, insulating plates are symmetrically welded in tapping half pipes, tooth columns are rotationally sleeved on the outer side of the central shaft, the end parts of two-way lead screws are connected with the end parts of the inner core, threading frames are welded at positions of nuts close to threading holes, sliding grooves are formed at positions of the tapping half pipes corresponding to sliding strips, and an installation reinforcing component is arranged between the insulating layer and the tapping half pipes.
Description
Technical Field
The invention relates to the technical field of cable tapping, in particular to a 10kV cable with a tapping function.
Background
The 10kV cable is a cable for conveying high-voltage power, the voltage class of the cable belongs to a medium-voltage cable in a power system, the cable is widely applied to occasions such as urban power supply and power utilization in factories, the basic structure of the cable comprises a conductor, an insulating layer, a metal sheath and a protective layer, and in the installation engineering, in order to reduce the engineering cost, a designer often uses one wire or cable as a power supply of a plurality of distribution points.
The patent with the application number of 202310385299.6 mentions that "pre-branching cable", the device main cable subassembly and the corresponding branch cable subassembly gapless butt fusion, the pre-branching joint sets up in the outside of main cable subassembly, branch cable subassembly, and the expansion end of pre-branching joint is equipped with elastic structure, and the angle between main cable subassembly, the branch cable subassembly is adjustable, but this cable tapping portion is in the in-process of production and follow-up installation, and branch access main cable operation difficulty, and branch and main cable access position are not hard up easily, lead to the contact failure.
Disclosure of Invention
The invention provides a 10kV cable with a tapping function, which can effectively solve the problems that in the production and subsequent installation process of a cable tapping part in the prior art, a branch is difficult to access a main cable, and the access positions of the branch and the main cable are easy to loosen, so that poor contact is caused.
In order to achieve the above purpose, the present invention provides the following technical solutions: the 10kV cable with the tapping function comprises an insulating layer, wherein an inner core is arranged in the insulating layer, flame retardant ropes are filled in gaps between the inner cores, the insulating layer is provided with tapping strengthening components, and the tapping strengthening components comprise central lines;
the middle part of the inner side of the insulating layer is provided with a central line, the outer side of the central line is equidistantly sleeved with a supporting ring, the outer side of the supporting ring is uniformly welded with supporting strips, the end parts of the supporting strips are welded with cable clamps, the outer side of the insulating layer is uniformly provided with clamping grooves, and C-shaped rings are embedded in the clamping grooves;
the middle part of the insulating layer is provided with a tapping half pipe, and an installation reinforcing component is arranged between the insulating layer and the tapping half pipe and is matched with the tapping reinforcing component for installation;
the inside of the tapping semi-pipe is symmetrically welded with an insulating plate, the middle part of the insulating plate is welded with a central shaft, the outer side of the central shaft is rotationally sleeved with tooth columns, a bidirectional screw rod is uniformly and penetratingly arranged between the two insulating plates, and the end part of the bidirectional screw rod is connected with the end part of the inner core;
the two-way screw is characterized in that the middle part of the two-way screw is symmetrically provided with a threading hole, spring clamping pieces are symmetrically welded on the inner wall of the threading hole, the middle part of the two-way screw is symmetrically sleeved with a nut through threads, one side, close to an insulating plate, of the nut is welded with a driving gear, and a threading frame is welded on the position, close to the threading hole, of the nut.
According to the technical scheme, the two ends of the tapping half pipe are symmetrically and slidably clamped with the movable half pipe, a sliding strip is welded at the position, close to the tapping half pipe, of the movable half pipe, and a sliding groove is formed at the position, corresponding to the sliding strip, of the tapping half pipe;
the middle parts of the two opposite ends of the movable half pipe are respectively penetrated and adhered with a wire clamping half pipe, and the inner sides of the wire clamping half pipes are adhered with sealing rubber films.
According to the technical scheme, the two-way screw rod circumferential arrays are distributed outside the central shaft, and the driving gears are meshed with the outer sides of the tooth columns at the same end.
According to the technical scheme, the included angle of the two spring clamping pieces positioned in the same threading hole is an acute angle, and the surfaces of the bottom ends of the two spring clamping pieces, which are in contact with each other, are rough surfaces.
According to the technical scheme, the clamping groove is matched with the C-shaped ring, and the outer side of the C-shaped ring and the outer side of the insulating layer are aligned curved surfaces;
the edge of the bottom surface of the threading frame is chamfered, and the bottom surface of the threading frame is a smooth curved surface.
According to the technical scheme, the installation strengthening component comprises a containing groove;
the inner wall of the movable half pipe is far away from one end of the wire clamping half pipe, a containing groove is formed in the middle of the containing groove, a push rod is movably arranged in the middle of the containing groove in a penetrating mode, an arc-shaped pressing plate is welded at one end of the push rod, located at the inner side of the wire clamping half pipe, of the push rod, an arc-shaped rubber plate is welded at one end of the push rod, located at the outer side of the wire clamping half pipe, a glue bag is bonded at one side of the arc-shaped pressing plate, and a polytetrafluoroethylene film is bonded at the inner side face of the glue bag;
the insulating layer outside has cup jointed well pipe, well pipe both ends all weld the deformation pipe, the inboard evenly welding in deformation pipe both ends has buffer spring, buffer spring keeps away from deformation pipe inner wall one end welding has the contact plate.
According to the technical scheme, the glue bag is in an arc shape which is matched with the storage groove, and the diameter of the concave side face of the glue bag is equal to the inner diameter of the movable half pipe.
According to the technical scheme, the two ends of the arc-shaped rubber plate are connected with the outer sides of the movable half pipes in an adhesive mode, and one protruding side of the arc-shaped pressing plate is tightly attached to the inner sides of the storage grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. the tapping reinforcement assembly is arranged, the support bars and the C-shaped rings are used for supporting the inside and the outside respectively, so that the overall strength is improved, the support bars are made of plastic materials with toughness, the overall compressive resistance of the cable is improved, and the carrying and the subsequent branching wiring operation are convenient;
when the tapping cable is required in the production and installation processes, the inner lead of the cable to be spliced is divided into two halves, the inner lead of the two halves respectively passes through the threading frame and then enters the threading hole, when the inner lead is reversely pulled, the inner lead is clamped by the bottom end of the spring clamping piece and is difficult to pull, the nut is rotated, the threading frame rotates and pulls the lead to be wound outside the bidirectional screw until the lead to be unplugged is wound outside the bidirectional screw, the winding is tight and difficult to loosen, the winding process is carried out simultaneously, the operation time is shortened, and compared with the pre-branching cable, the branching production and installation efficiency is improved.
The installation reinforcing component is arranged, the arc-shaped rubber plate is pushed, the arc-shaped pressing plate connected with the push rod is pushed, the arc-shaped pressing plate extrudes the rubber water bag to break, the glue flows out, the glue flows into a gap between the tapping half pipe, the movable half pipe and the insulating layer, the middle pipe is pulled to slide along the insulating layer, the middle pipe is close to the installation position of the telegraph pole, when the two sides of the middle pipe are bent downwards due to gravity, the buffer spring deforms, the contact plate always contacts the outer side of the cable, the bending degree of the cable is reduced by virtue of the buffer spring, the insulating layer abrasion caused by bending and shaking of the connection position of the cable is prevented, the deformation pipe is pulled to be sleeved at one end of the tapping half pipe after the tapping cable, the abrasion of the tapping half pipe and the insulating layer is reduced, and the abrasion of the installation position of the cable and the telegraph pole and the installation position of the tapping half pipe is also reduced.
In conclusion, the tapping and strengthening assembly improves the overall strength, simplifies the operation of branch wiring, reduces the use of tools, reduces the abrasion of the installation position of the installation and strengthening assembly, improves the sealing and protecting effects of the wiring position of the tapping and strengthening assembly, and achieves better use effect by mutual matching.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a tap enhancement assembly of the present invention;
FIG. 3 is a schematic view of the mounting structure of the support ring of the present invention;
FIG. 4 is a schematic view of the mounting structure of the insulating plate of the present invention;
FIG. 5 is a schematic view of the mounting structure of the tooth post of the present invention;
FIG. 6 is a schematic view of the mounting structure of the spring clip of the present invention;
FIG. 7 is a schematic view of the construction of the mounting reinforcement assembly of the present invention;
FIG. 8 is a schematic view of the mounting structure of the arcuate pressure plate of the present invention;
FIG. 9 is a schematic view of the mounting structure of the arcuate pressure plate of the present invention;
FIG. 10 is an enlarged schematic view of the area A of FIG. 6 in accordance with the present invention;
reference numerals in the drawings: 1. an insulating layer; 2. an inner core; 3. a flame retardant rope;
4. a tapping reinforcement assembly; 401. a center line; 402. a support ring; 403. a support bar; 404. a line clip; 405. a clamping groove; 406. a C-ring; 407. a tapping semi-pipe; 408. an insulating plate; 409. a central shaft; 410. tooth columns; 411. a bidirectional screw rod; 412. a threading hole; 413. a spring clip; 414. a nut; 415. a drive gear; 416. a threading frame; 417. a movable half pipe; 418. a slide bar; 419. a chute; 420. a wire clamping half pipe; 421. sealing the rubber film;
5. installing a reinforcing component; 501. a storage groove; 502. a push rod; 503. an arc-shaped pressing plate; 504. an arc-shaped rubber plate; 505. a glue bag; 506. a polytetrafluoroethylene membrane; 507. a middle tube; 508. a deformation tube; 509. a buffer spring; 510. and a contact plate.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-10, the invention provides a technical scheme of a 10kV cable with tapping function, which comprises an insulating layer 1, wherein an inner core 2 is arranged in the insulating layer 1, a flame retardant rope 3 is filled in a gap between the inner cores 2, the insulating layer 1 is provided with a tapping reinforcement component 4, and the tapping reinforcement component 4 comprises a central line 401, a supporting ring 402, a supporting bar 403, a line card 404, a clamping groove 405, a C-shaped ring 406, a tapping half pipe 407, an insulating plate 408, a central shaft 409, a tooth column 410, a bidirectional screw 411, a threading hole 412, a spring clamping piece 413, a nut 414, a driving gear 415, a threading frame 416, a movable half pipe 417, a sliding bar 418, a sliding groove 419, a clamping line half pipe 420 and a sealing rubber film 421;
the middle part of the inner side of the insulating layer 1 is provided with a central line 401, the outer side of the central line 401 is equidistantly sleeved with a supporting ring 402, the outer side of the supporting ring 402 is uniformly welded with supporting bars 403, the end parts of the supporting bars 403 are welded with wire clamps 404, the outer side of the insulating layer 1 is uniformly provided with clamping grooves 405, C-shaped rings 406 are embedded in the clamping grooves 405, the clamping grooves 405 are matched with the C-shaped rings 406, the outer sides of the C-shaped rings 406 and the outer sides of the insulating layer 1 are aligned curved surfaces, and the outer sides of cables are kept smooth;
the middle part of the insulating layer 1 is provided with a tapping half pipe 407, insulating plates 408 are symmetrically welded in the tapping half pipe 407, a central shaft 409 is welded in the middle of the insulating plates 408, toothed columns 410 are rotatably sleeved outside the central shaft 409, two bidirectional lead screws 411 are uniformly and penetratingly arranged between the two insulating plates 408, the end parts of the bidirectional lead screws 411 are connected with the end parts of an inner core 2, threading holes 412 are symmetrically arranged in the middle of the bidirectional lead screws 411, spring clamping pieces 413 are symmetrically welded on the inner walls of the threading holes 412, included angles of the two spring clamping pieces 413 in the same threading hole 412 are acute angles, the surfaces of the bottom ends of the two spring clamping pieces 413 are rough surfaces, so that wires in the threading holes 412 are conveniently clamped and fixed, nuts 414 are symmetrically sleeved in the middle of the bidirectional lead screws 411 through threads, driving gears 415 are welded on one side of the insulating plates 408, a plurality of the circumference arrays of the bidirectional lead screws 411 are distributed outside the central shaft 409, the driving gears 415 are meshed with the toothed columns 410 at the same end, a plurality of driving gears 415 rotate simultaneously through the toothed columns 410, the nuts 414 are welded near the threading holes 412, the edges of the threading frames 416 are chamfered, the bottoms of the threading frames 416 are smooth surfaces, the bottoms of the threading frames 416 are convenient to clamp the wires, and are convenient to extrude and connected wires through the threading frames 416;
the two ends of the tapping half pipe 407 are symmetrically and slidably clamped with movable half pipes 417, sliding strips 418 are welded at the positions, close to the tapping half pipes 407, of the movable half pipes 417, sliding grooves 419 are formed in the positions, corresponding to the sliding strips 418, of the tapping half pipes 407, the middle parts of the opposite ends of the two movable half pipes 417 are respectively penetrated and adhered with a wire clamping half pipe 420, and sealing rubber films 421 are adhered to the inner sides of the wire clamping half pipes 420.
A mounting reinforcing component 5 is arranged between the insulating layer 1 and the tapping half pipe 407, and the mounting reinforcing component 5 comprises a storage groove 501, a push rod 502, an arc pressing plate 503, an arc rubber plate 504, a glue bag 505, a polytetrafluoroethylene film 506, a middle pipe 507, a deformation pipe 508, a buffer spring 509 and a contact plate 510;
the inner wall of the movable half pipe 417 is far away from one end of the clamping line half pipe 420, a storage groove 501 is formed in one end of the storage groove 501, a push rod 502 is movably arranged in the middle of the storage groove 501 in a penetrating manner, an arc-shaped pressing plate 503 is welded at one end of the push rod 502, which is positioned at the outer side of the clamping line half pipe 420, an arc-shaped rubber plate 504 is welded at one end of the push rod 502, two ends of the arc-shaped rubber plate 504 are connected with the outer side of the movable half pipe 417 in an adhering manner, one protruding side of the arc-shaped pressing plate 503 is tightly attached to the inner side of the storage groove 501, the arc-shaped pressing plate 503 is conveniently stored in the storage groove 501, a glue bag 505 is adhered to one side of the arc-shaped glue bag 505 in a fitting manner, the inner concave side diameter of the glue bag 505 is equal to the inner diameter of the movable half pipe 417, the glue bag 505 is conveniently slid along the outer side of the insulating layer 1, and the inner side surface of the glue bag 505 is adhered with a polytetrafluoroethylene film 506;
the insulating layer 1 outside has cup jointed well pipe 507, and well pipe 507 both ends all weld and have deformed pipe 508, and the inboard of deformed pipe 508 both ends has evenly welded buffer spring 509, and buffer spring 509 is kept away from deformed pipe 508 inner wall one end welding has contact plate 510.
The working principle and the using flow of the invention are as follows: uniformly sleeving a supporting ring 402 at equal intervals on the outer side of a central line 401, embedding an inner core 2 into a line clamp 404, filling a flame-retardant rope 3 at a gap, then wrapping an insulating layer 1 on the outer side, uniformly sleeving and installing a C-shaped ring 406 at equal intervals before the outer side of the insulating layer 1 is cooled, pressing the C-shaped ring 406 until the outer side of the C-shaped ring 406 is flush with the outer side of the insulating layer 1, respectively carrying out internal and external supporting by virtue of a supporting bar 403 and the C-shaped ring 406, improving the integral strength, enabling the supporting bar 403 to be made of a plastic material with toughness, improving the integral pressure resistance of a cable, facilitating carrying and subsequent wiring operation, enabling the inner wall of a tapping half pipe 407 to contact the outer side of the insulating layer 1, pulling an insulating plate 408 to be close to the end part of the cable, connecting the two ends of the tapping half pipe 407 with the cable, sleeving a plurality of middle pipes 507 on the outer side of the insulating layer 1 according to the requirement and the interval, operating the cable as a whole when producing the cable, enabling the tapping half pipe 407 to be undetachable, and the function to be similar to a pre-branching cable;
then the sliding bar 418 is embedded into the sliding groove 419 to install the movable half pipes 417 on the two sides of the tapping half pipe 407, when the tapping half pipe 407 is installed, the installation groove 508 is aligned with the clamping groove 405, the C-shaped ring 406 in the tapping half pipe 407 is removed, the movable half pipe 417 is temporarily adhered and fixed by using an adhesive tape to prevent the movable half pipe 417 from falling off, in order to ensure conductivity and insulativity, the bidirectional lead screw 411 is made of copper material, and the insulating plate 408, the central shaft 409, the tooth column 410, the nut 414, the driving gear 415, the threading frame 416 and the movable half pipe 417 are made of glass fiber reinforced plastics;
when a cable needs to be tapped, the nut 414 is rotated firstly to align the threading frame 416 with the threading hole 412, as shown in fig. 5, one end of the cable to be spliced is pulled out, the inner conductor of the cable to be spliced is split into two halves, the split inner conductor respectively passes through the threading frame 416 and then enters the threading hole 412, the spring clamping piece 413 is pushed away, when the inner conductor is pulled in the opposite direction, the bottom end of the spring clamping piece 413 is in a saw-tooth shape, and the included angle of the spring clamping piece 413 is an acute angle, as shown in fig. 6, the inner conductor is clamped by the bottom end of the spring clamping piece 413 and is difficult to pull, a plurality of inner conductors are sequentially connected to the corresponding bidirectional lead screw 411 respectively, at the moment, the inner conductor to be spliced is ensured to be kept straight as much as possible, then one end of the wrench is clamped with the nut 414, the nut 414 is rotated, the driving gear 415 at the outer side of the tooth column 410 is simultaneously rotated and slides along the tooth column 410, in the process, the threading frame 416 is rotated and the conductor is pulled to be symmetrically wound on the outer side of the bidirectional lead 411 due to the opposite rotation direction of the threads at the two sides of the bidirectional lead screw 411, and the threading frame 416 always extrudes the conductor between the threading frame 416 and the bidirectional lead 411 until the lead is wound to the corresponding bidirectional lead 411, and the bidirectional lead is easy to be wound out tightly, and the wiring efficiency is not easy to be wound, and the operation is shortened;
then, the movable half pipe 417 is pushed, the sliding strip 418 slides along the sliding groove 419, the wire clamping half pipe 420 is mutually close, the sealing rubber film 421 extrudes the outer side of a wire to be accessed, the arc-shaped rubber plate 504 is pushed, the arc-shaped pressing plate 503 connected with the push rod 502 is pushed, the arc-shaped pressing plate 503 extrudes the rubber bag 505 to be broken, glue flows out, the glue flows into a gap between the tapping half pipe 407, the movable half pipe 417 and the insulating layer 1, the clamping groove 405 is positioned in the tapping half pipe 407, the glue flows into the clamping groove 405, the bonding effect is improved, the movable half pipe 417 is prevented from loosening, as shown in fig. 1, the gap is filled simultaneously, the probability of water infiltration is reduced, then, the middle pipe 507 is pulled to slide along the insulating layer 1, the middle pipe 507 is closely installed at the joint position of the wire pole, the concave position of the middle pipe 507 is conveniently clamped at the cable installation position, when the two sides of the middle pipe 507 are bent downwards due to gravity, the deformation of the buffer spring 509, the contact plate 510 always contacts the outer side of the cable, the support of the buffer spring 509 is relied on, the bending degree of the cable is relieved, the insulating layer 1 caused by bending of the cable connection position is prevented, the cable connection position is bent, the insulating layer 1 is prevented from being bent, the abrasion is avoided, and the abrasion of the insulating layer 1 is avoided when the tapping half pipe is not worn out, the tapping half pipe is connected with the tapping half pipe 407, and the insulating layer is pulled, and the insulating layer is not worn, and the insulating layer is finally, and the insulating layer is not worn, and the insulating layer is sleeved.
The tapping and strengthening assembly 4 improves the overall strength, simplifies the operation of branch wiring, reduces the use of tools, and improves the sealing and protecting effects of the wiring position of the tapping and strengthening assembly 4 while the installation and strengthening assembly 5 reduces the abrasion of the installation position, thus achieving better use effect.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. 10kV cable with tapping function, including insulating layer (1), inside inner core (2) that are provided with of insulating layer (1), the space department between inner core (2) is filled with fire-retardant rope (3), its characterized in that: the insulation layer (1) is provided with a tapping reinforcement assembly (4), the tapping reinforcement assembly (4) comprising a centre line (401);
the novel insulating layer is characterized in that a central line (401) is arranged in the middle of the inner side of the insulating layer (1), supporting rings (402) are sleeved on the outer side of the central line (401) at equal intervals, supporting bars (403) are uniformly welded on the outer side of the supporting rings (402), cable clamps (404) are welded on the end parts of the supporting bars (403), clamping grooves (405) are uniformly formed in the outer side of the insulating layer (1), and C-shaped rings (406) are embedded in the clamping grooves (405);
a tapping half pipe (407) is arranged in the middle of the insulating layer (1), and an installation strengthening component (5) is arranged between the insulating layer (1) and the tapping half pipe (407) and is matched with the tapping strengthening component (4) for installation;
an insulating plate (408) is symmetrically welded inside the tapping semi-pipe (407), a central shaft (409) is welded in the middle of the insulating plate (408), a toothed column (410) is rotatably sleeved outside the central shaft (409), two bidirectional lead screws (411) are uniformly and penetratingly arranged between the two insulating plates (408), and the end parts of the bidirectional lead screws (411) are connected with the end parts of the inner cores (2);
threading hole (412) have been seted up to bi-directional lead screw (411) middle part symmetry, threading hole (412) inner wall symmetry welding has spring clamping piece (413), nut (414) have been cup jointed through the screw thread to bi-directional lead screw (411) middle part symmetry, nut (414) are close to insulation board (408) one side welding has driving gear (415), nut (414) are close to threading hole (412) department welding has threading frame (416).
2. The 10kV cable with the tapping function according to claim 1, wherein two ends of the tapping half pipe (407) are symmetrically and slidably clamped with a movable half pipe (417), a sliding strip (418) is welded at a position, close to the tapping half pipe (407), of the movable half pipe (417), and a sliding groove (419) is formed at a position, corresponding to the sliding strip (418), of the tapping half pipe (407);
the middle parts of two opposite ends of the movable half pipes (417) are respectively penetrated and adhered with a wire clamping half pipe (420), and the inner sides of the wire clamping half pipes (420) are adhered with sealing rubber films (421).
3. A 10kV cable with tapping function according to claim 2, characterized in that a number of the bi-directional screws (411) are circumferentially arranged outside the central shaft (409), and that the number of the driving gears (415) are each engaged outside the tooth column (410) at the same end.
4. A 10kV cable with tapping function according to claim 2, characterized in that the included angle of two spring clips (413) in the same threading hole (412) is an acute angle, and the surfaces of the bottom ends of the two spring clips (413) contacting each other are rough surfaces.
5. A 10kV cable with tapping according to claim 2, characterized in that the clamping groove (405) is fitted with a C-shaped ring (406), the outer side of the C-shaped ring (406) and the outer side of the insulating layer (1) being aligned curved surfaces;
the edge of the bottom surface of the threading frame (416) is chamfered, and the bottom surface of the threading frame (416) is a smooth curved surface.
6. A 10kV cable with tapping function according to claim 2, characterized in that the installation reinforcing assembly (5) comprises a receiving slot (501);
the inner wall of the movable half pipe (417) is far away from one end of the wire clamping half pipe (420), a containing groove (501) is formed in one end of the wire clamping half pipe (420), a push rod (502) is movably arranged in the middle of the containing groove (501) in a penetrating mode, an arc-shaped pressing plate (503) is welded at one end of the push rod (502) located inside the containing groove (501), an arc-shaped rubber plate (504) is welded at one end of the push rod (502) located outside the wire clamping half pipe (420), a glue bag (505) is bonded at one side of the arc-shaped pressing plate (503), and a polytetrafluoroethylene film (506) is bonded at the inner side face of the glue bag (505);
the insulating layer (1) outside has cup jointed well pipe (507), well pipe (507) both ends all weld deformation pipe (508), deformation pipe (508) both ends inboard evenly welds has buffer spring (509), buffer spring (509) keep away from deformation pipe (508) inner wall one end welding has contact plate (510).
7. The 10kV cable with tapping function according to claim 6, wherein the glue bag (505) is arc-shaped to fit the receiving groove (501), and the concave side diameter of the glue bag (505) is equal to the inner diameter of the movable half pipe (417).
8. The 10kV cable with the tapping function according to claim 6, wherein two ends of the arc-shaped rubber plate (504) are connected with the outer side of the movable half pipe (417) in an adhesion mode, and the protruding side of the arc-shaped pressing plate (503) is tightly attached to the inner side of the accommodating groove (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036020.XA CN116779227B (en) | 2023-08-17 | 2023-08-17 | 10kV cable with tapping function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036020.XA CN116779227B (en) | 2023-08-17 | 2023-08-17 | 10kV cable with tapping function |
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| CN116779227A true CN116779227A (en) | 2023-09-19 |
| CN116779227B CN116779227B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311036020.XA Active CN116779227B (en) | 2023-08-17 | 2023-08-17 | 10kV cable with tapping function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848955A (en) * | 1973-08-09 | 1974-11-19 | Westinghouse Electric Corp | Electrical connector for tapping a concentric electrical cable |
| DE4434545A1 (en) * | 1994-09-28 | 1996-04-04 | S L G Kunststoff Fabrik Und Fo | Cable clamp for connecting branch cable to main cable |
| CN209488151U (en) * | 2019-03-18 | 2019-10-11 | 青岛缆海工业科技集团股份有限公司 | A kind of novel cable with defencive function |
| CN213043083U (en) * | 2020-09-08 | 2021-04-23 | 四川东大恒泰电气有限责任公司 | Front connector of high-voltage cable |
| CN114336167A (en) * | 2022-01-04 | 2022-04-12 | 国网河南省电力公司平顶山供电公司 | T-shaped cable terminal test connector |
| CN116131204A (en) * | 2023-01-08 | 2023-05-16 | 无锡广盈集团有限公司 | Intelligent cable joint device of 110kV cable branch box with temperature measurement function |
-
2023
- 2023-08-17 CN CN202311036020.XA patent/CN116779227B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848955A (en) * | 1973-08-09 | 1974-11-19 | Westinghouse Electric Corp | Electrical connector for tapping a concentric electrical cable |
| DE4434545A1 (en) * | 1994-09-28 | 1996-04-04 | S L G Kunststoff Fabrik Und Fo | Cable clamp for connecting branch cable to main cable |
| CN209488151U (en) * | 2019-03-18 | 2019-10-11 | 青岛缆海工业科技集团股份有限公司 | A kind of novel cable with defencive function |
| CN213043083U (en) * | 2020-09-08 | 2021-04-23 | 四川东大恒泰电气有限责任公司 | Front connector of high-voltage cable |
| CN114336167A (en) * | 2022-01-04 | 2022-04-12 | 国网河南省电力公司平顶山供电公司 | T-shaped cable terminal test connector |
| CN116131204A (en) * | 2023-01-08 | 2023-05-16 | 无锡广盈集团有限公司 | Intelligent cable joint device of 110kV cable branch box with temperature measurement function |
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| Publication number | Publication date |
|---|---|
| CN116779227B (en) | 2023-10-24 |
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