CN112750567A - Insulated high-voltage power cable - Google Patents
Insulated high-voltage power cable Download PDFInfo
- Publication number
- CN112750567A CN112750567A CN202011560974.7A CN202011560974A CN112750567A CN 112750567 A CN112750567 A CN 112750567A CN 202011560974 A CN202011560974 A CN 202011560974A CN 112750567 A CN112750567 A CN 112750567A
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- Prior art keywords
- voltage power
- fixedly connected
- power cable
- insulated high
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- 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
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- 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
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- 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
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- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Suspension Of Electric Lines Or Cables (AREA)
- Cable Accessories (AREA)
Abstract
The invention relates to the technical field of high-voltage power cables, in particular to an insulated high-voltage power cable which comprises a cable conductor and a protective multi-layer sleeve, wherein the cable conductor is arranged in the protective multi-layer sleeve, a shielding insulating pipe is sleeved outside the protective multi-layer sleeve, a plurality of ring groove groups are arranged in the shielding insulating pipe, each ring groove group comprises three mounting grooves, arc-shaped blocks are connected in the three mounting grooves, a rotating push rod is connected between each arc-shaped block and each mounting groove, two through strip holes are formed in each arc-shaped block, six round holes are formed in the shielding insulating pipe, a steel wire rope is connected in each round hole and penetrates through each strip hole, a plurality of reset springs are sleeved on each steel wire rope, each reset spring is connected with a retaining ring, each retaining ring is connected with the steel wire rope, each reset spring is connected with the shielding insulating pipe, each shielding insulating pipe is, and the bearing tension is better, the service life is longer, the maintenance and the replacement of the cable conductor are easier, and the operation is more convenient.
Description
Technical Field
The invention relates to the technical field of high-voltage power cables, in particular to an insulated high-voltage power cable.
Background
As is known, an insulated high-voltage power cable is an auxiliary device for power transmission and distribution during the use of high-voltage power, and is widely used in the technical field of high-voltage power utilization.
The existing underground high-voltage power cable comprises a cable conductor and an outer protective sleeve, wherein the cable conductor is arranged inside the outer protective sleeve, a plurality of steel wire ropes are arranged in the outer protective sleeve, the underground high-voltage power cable is buried underground when the underground high-voltage power cable is used, and two ends of the underground high-voltage power cable are communicated with the outside, so that high-voltage power transmission and distribution are realized.
However, the prior art scheme still has the following defects that the outer protective sleeve is easily scratched in the laying process of the underground high-voltage power cable, the protective effect is poor in the installation process, the insulation effect of the underground high-voltage power cable is easily reduced, certain influence is caused on the service life of the underground high-voltage power cable, and meanwhile, the underground high-voltage power cable is difficult to maintain and replace and poor in operation convenience in the using process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the insulated high-voltage power cable which has better protection property in the laying process, is not easy to scratch by a protective multi-layer sleeve, has better tensile force bearing and longer service life, and is easier to maintain and replace a cable conductor in the using process and better in operation convenience.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an insulated high-voltage power cable comprises a cable conductor and a protective multilayer sleeve, wherein the cable conductor is arranged in the protective multilayer sleeve, a shielding insulating pipe is sleeved outside the protective multilayer sleeve, a plurality of ring groove groups are arranged in the shielding insulating pipe, each ring groove group comprises three mounting grooves, arc blocks are connected in the three mounting grooves, a rotating push rod is connected between each arc block and the corresponding mounting groove, two through strip holes are formed in each arc block, six round holes are formed in the left end of the shielding insulating pipe, steel wire ropes are connected in the round holes in a sliding mode and penetrate through the strip holes, a plurality of reset springs are sleeved on the steel wire ropes, a retaining ring is fixedly connected to the left ends of the reset springs, the retaining ring is fixedly connected with the steel wire ropes, the right ends of the reset springs are fixedly connected with the shielding insulating pipe, and an end frame is connected to the shielding insulating pipe through two semi-rings, sliding connection has positioning mechanism in the end frame, three power unit of three fixedly connected with on the end frame, positioning mechanism includes the collar, three mounting hole has been seted up with end frame sliding connection to the collar's front end, and is three equal fixedly connected with fixed plate and wedge fixed block in the mounting hole, equal sliding connection has the wedge locating piece in the three mounting hole, fixed plate threaded connection has hexagon socket head cap screw, hexagon socket head cap screw with the wedge locating piece rotates the connection, power unit includes slat and engaging lug, the slat with end frame fixed connection, the engaging lug with mounting ring fixed connection installs the motor on the slat, the output fixedly connected with driving-disc of motor, rotate on the driving-disc and be connected with the reciprocating lever, the reciprocating lever with the engaging lug rotates the connection.
Preferably, the two half rings are fixedly connected with square connecting pieces, through holes are formed in the square connecting pieces, and clamping bolts are arranged in the through holes.
Preferably, a wire guide cylinder is fixedly connected to the left end of the mounting ring, and the inner diameter of the wire guide cylinder is larger than that of the mounting ring.
Preferably, the wire guide cylinder is fixedly connected with a blocking disc, and the blocking disc is provided with a through wire hole.
Preferably, a protective cylinder is fixedly connected to the baffle disc.
Preferably, a plurality of operation holes are formed in the protective cylinder.
Preferably, the left end of the baffle disc is fixedly connected with a plurality of pull rings.
Preferably, the arc-shaped block is provided with an anti-skid protection pad.
Preferably, the wedge-shaped fixing block and the wedge-shaped positioning block are both provided with anti-skid grains.
Preferably, the fixing plate is made of wear-resistant materials.
(III) advantageous effects
Compared with the prior art, the invention provides an insulated high-voltage power cable which has the following beneficial effects:
1. this insulating high voltage power cable, through the design of shielding insulating tube, the protection to protection multilayer cover in the process of laying this insulating high voltage power cable of being convenient for, it is not fragile to lay in-process protection multilayer cover, and the protectiveness is better, and protection multilayer cover integrality is better.
2. This insulating high voltage power cable, through shielding insulating tube and wire rope's cooperation, be convenient for improve this insulating high voltage power cable's tensile ability, cable conductor and protection multilayer cover bear the pulling force less, and life is longer, and is comparatively practical.
3. This insulating high voltage power cable, through the connection of arc piece and rotation push rod, be convenient for remove protection multilayer cover and cable conductor for the shielding insulating tube, thereby be convenient for maintenance and change after the cable conductor damages, it is comparatively practical, through positioning mechanism's design, be convenient for compress tightly wire rope, thereby be convenient for power unit stimulates wire rope repeatedly, and then be convenient for the cable conductor of damage and protection multilayer cover shift out the shielding insulating tube, the immigration shielding insulating tube of the new cable conductor of being convenient for simultaneously and protection multilayer cover, it is comparatively convenient to operate.
Drawings
FIG. 1 is a partially cut-away perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged partial view of FIG. 1 at C;
fig. 5 is a schematic perspective view of the present invention.
In the figure: 1. a cable conductor; 2. a protective multilayer sleeve; 3. a shield insulating tube; 4. an arc-shaped block; 5. rotating the push rod; 6. a wire rope; 7. a reset spring; 8. a baffle ring; 9. a half ring; 10. an end frame; 11. a mounting ring; 12. a fixing plate; 13. a wedge-shaped fixed block; 14. a wedge-shaped positioning block; 15. a hexagon socket head cap screw; 16. laths; 17. connecting lugs; 18. a motor; 19. a drive disc; 20. a reciprocating lever; 21. a square connecting sheet; 22. clamping the bolt; 23. a wire guide cylinder; 24. a catch tray; 25. a protective cylinder; 26. a pull ring; 27. a protective pad; 28. and (4) anti-skid lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, an insulated high-voltage power cable comprises a cable conductor 1 and a protective multi-layer sleeve 2, wherein the cable conductor 1 is arranged in the protective multi-layer sleeve 2, a shielding insulating tube 3 is sleeved outside the protective multi-layer sleeve 2, so as to facilitate the protection of the protective multi-layer sleeve 2 in the laying process of the insulated high-voltage power cable, the protective multi-layer sleeve 2 is not easy to damage and has better protectiveness, the protective multi-layer sleeve 2 has better integrity, a plurality of ring groove sets are arranged in the shielding insulating tube 3, each ring groove set comprises three mounting grooves, arc blocks 4 are connected in the three mounting grooves, a rotating push rod 5 is connected between each arc block 4 and the mounting groove, so as to facilitate the movement of the protective multi-layer sleeve 2 and the cable conductor 1 relative to the shielding insulating tube 3, thereby facilitating the maintenance and replacement of the damaged cable conductor 1, and being practical, two through holes are arranged on each arc block 4, six round holes are formed in the left end of a shielding insulating pipe 3, a steel wire rope 6 is connected in the round holes in a sliding mode, the tensile capacity of the insulating high-voltage power cable is convenient to improve, the cable conductor 1 and the protective multi-layer sleeve 2 are small in bearing tension, long in service life and practical, the steel wire rope 6 penetrates through the strip holes, a plurality of reset springs 7 are sleeved on the steel wire rope 6, a retaining ring 8 is fixedly connected to the left end of each reset spring 7, the retaining ring 8 is fixedly connected with the steel wire rope 6, the right end of each reset spring 7 is fixedly connected with the shielding insulating pipe 3, an end frame 10 is connected to the shielding insulating pipe 3 through two half rings 9, a positioning mechanism is connected in the end frame 10 in the sliding mode and comprises a mounting ring 11, the mounting ring 11 is connected with the end frame 10 in a sliding mode, three mounting holes are formed in the front end of the mounting ring 11, a fixing plate 12, 12 threaded connection of fixed plate has hexagon socket head cap screw 15, hexagon socket head cap screw 15 rotates with wedge locating piece 14 to be connected, be convenient for compress tightly wire rope 6, thereby be convenient for power unit stimulates wire rope 6 repeatedly, and then be convenient for the cable conductor 1 of damage and the multilayer cover 2 of protection shift out shielding insulating tube 3, be convenient for new cable conductor 1 and the immigration shielding insulating tube 3 of the multilayer cover 2 of protection simultaneously, it is comparatively convenient to operate, three power unit of fixedly connected with on the end frame 10, power unit includes slat 16 and engaging lug 17, slat 16 and end frame 10 fixed connection, engaging lug 17 and collar 11 fixed connection, install motor 18 on the slat 16, motor 18's output fixedly connected with driving-disc 19, it is connected with reciprocating rod 20 to rotate on the driving-disc 19, reciprocating rod 20 rotates with engaging lug 17 to be connected, be convenient for wire rope 6's relapse pulling.
It should be further noted that, both the two half rings 9 are fixedly connected with a square connecting sheet 21, the square connecting sheet 21 is provided with a through hole, the through hole is internally provided with a clamping bolt 22, which is convenient for the installation and the disassembly of the end frame 10 relative to the protective multilayer sleeve 2, the use is flexible, the left end of the mounting ring 11 is fixedly connected with a wire guide cylinder 23, the inner diameter of the wire guide cylinder 23 is larger than the inner diameter of the mounting ring 11, the wire guide cylinder 23 is fixedly connected with a baffle disc 24 which is convenient for improving the protection of the motor 18, the baffle disc 24 is provided with a through hole which is convenient for the passage of the protective multilayer sleeve 2 and the cable conductor 1, the baffle disc 24 is fixedly connected with a protective cylinder 25 which is convenient for improving the protection when the protective multilayer sleeve 2 and the cable conductor 1 pass, the protective cylinder 25 is provided with a plurality of operating holes which is convenient for increasing the operating space of the inner hexagon bolt 15, the rotation of the, be convenient for this insulating frame 10 for the installation and the taking off of protection multilayer cover 2, it is comparatively practical, arc piece 4 is provided with anti-skidding protection pad 27, be convenient for improve the frictional force between arc piece 4 and the protection multilayer cover 2 and to the protective effect of protection multilayer cover 2, all be provided with anti-skidding line 28 on wedge fixed block 13 and the wedge locating piece 14, be convenient for improve the tight stability of clamp of wedge fixed block 13 and wedge locating piece 14 to wire rope 6, the stability in use is higher, fixed plate 12 adopts wear-resisting material, be convenient for improve the stability in use of fixed plate 12, it is comparatively practical.
The motor 18 is a conventional device purchased from the market and known to those skilled in the art, and the type YX60-L1 of the motor 18 is No. y, and we only use it in this patent, and do not improve its structure and function, and its setting mode, installation mode, and electrical connection mode are set, and for those skilled in the art, it is only necessary to perform debugging operation according to the requirements of its use specification, and it is not described herein again, and the motor 18 is provided with a control switch matched with it, and the installation position of the control switch is selected according to the actual use requirements, so that the operator can perform operation control conveniently.
In summary, the working principle and the working process of the insulated high-voltage power cable are that, when the insulated high-voltage power cable is used, the cable conductor 1, the protective multi-layer sleeve 2 and the shielding insulating pipe 3 are laid at a place to be used, two ends of the cable conductor 1 are communicated with an external circuit to realize transmission and distribution of high-voltage power, when the cable conductor 1 is damaged and cannot be communicated, and maintenance or replacement is needed, the cable conductor 1, the protective multi-layer sleeve 2 and the shielding insulating pipe 3 at a damaged section are cut off, a section of the shielding insulating pipe 3 is stripped to expose the steel wire rope 6, the end frame 10 is installed on the protective multi-layer sleeve 2 at the damaged section through the half ring 9, the steel wire rope 6 penetrates through a gap between the corresponding wedge-shaped fixing block 13 and the wedge-shaped positioning block 14, and the wedge-shaped positioning block 14 moves relative to the wedge-shaped fixing block 13 by rotating the hexagon, switch on 18 powers of motor, starter motor 18, motor 18 rotate and drive collar 11 for end frame 10 reciprocating motion through driving-disc 19 and reciprocating rod 20 to realize wire rope 6 for the reciprocating motion of shielding insulating tube 3, wire rope 6 realizes shifting out and the immigration of protection multilayer cover 2 through arc piece 4, thereby realizes the change and the maintenance of cable conductor 1 of damage, and is comparatively practical.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An insulated high-voltage power cable comprising a cable conductor (1), characterized in that: the cable conductor is characterized by further comprising a protective multilayer sleeve (2), the cable conductor (1) is arranged in the protective multilayer sleeve (2), a shielding insulating pipe (3) is sleeved outside the protective multilayer sleeve (2), a plurality of ring groove groups are arranged in the shielding insulating pipe (3), each ring groove group comprises three mounting grooves and is three, arc-shaped blocks (4) are connected in the mounting grooves, rotating push rods (5) are connected between the arc-shaped blocks (4) and the mounting grooves, two through strip holes are formed in the arc-shaped blocks (4), six round holes are formed in the left end of the shielding insulating pipe (3), steel wire ropes (6) are connected in the round holes in a sliding mode, the steel wire ropes (6) penetrate through the strip holes, a plurality of reset springs (7) are sleeved on the steel wire ropes (6), a retaining ring (8) is fixedly connected to the left end of the reset springs (7), and the retaining ring (8) is fixedly connected with the steel wire ropes (6, the right end of the reset spring (7) is fixedly connected with the shielding insulating tube (3), the shielding insulating tube (3) is connected with an end frame (10) through two semi-rings (9), the end frame (10) is internally and slidably connected with a positioning mechanism, the end frame (10) is fixedly connected with three groups of power mechanisms, the positioning mechanism comprises a mounting ring (11), the mounting ring (11) is slidably connected with the end frame (10), the front end of the mounting ring (11) is provided with three mounting holes, the three mounting holes are internally and fixedly connected with a fixed plate (12) and a wedge-shaped fixed block (13), the three mounting holes are internally and slidably connected with a wedge-shaped positioning block (14), the fixed plate (12) is in threaded connection with an inner hexagonal bolt (15), the inner hexagonal bolt (15) is rotatably connected with the wedge-shaped positioning block (14), and each power mechanism comprises a batten (16) and a connecting lug (17, slat (16) with end frame (10) fixed connection, engaging lug (17) with collar (11) fixed connection installs motor (18) on slat (16), the output fixedly connected with driving-disc (19) of motor (18), it is connected with reciprocating lever (20) to rotate on driving-disc (19), reciprocating lever (20) with engaging lug (17) rotate and connect.
2. An insulated high voltage power cable according to claim 1, characterized in that: the two half rings (9) are fixedly connected with square connecting pieces (21), through holes are formed in the square connecting pieces (21), and clamping bolts (22) are arranged in the through holes.
3. An insulated high voltage power cable according to claim 2, characterized in that: the left end of the mounting ring (11) is fixedly connected with a wire guide cylinder (23), and the inner diameter of the wire guide cylinder (23) is larger than that of the mounting ring (11).
4. An insulated high voltage power cable according to claim 3, characterized in that: the wire guide cylinder (23) is fixedly connected with a blocking disc (24), and the blocking disc (24) is provided with a through wire hole.
5. An insulated high voltage power cable according to claim 4, characterized in that: the baffle disc (24) is fixedly connected with a protective cylinder (25).
6. An insulated high voltage power cable according to claim 5, characterized in that: the protective cylinder (25) is provided with a plurality of operation holes.
7. An insulated high voltage power cable according to claim 6, characterized in that: the left end of the baffle disc (24) is fixedly connected with a plurality of pull rings (26).
8. An insulated high voltage power cable according to claim 7, characterized in that: the arc-shaped block (4) is provided with an anti-skid protection pad (27).
9. An insulated high voltage power cable according to claim 8, characterized in that: and anti-skid grains (28) are arranged on the wedge-shaped fixing block (13) and the wedge-shaped positioning block (14).
10. An insulated high voltage power cable according to claim 9, characterized in that: the fixing plate (12) is made of wear-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560974.7A CN112750567B (en) | 2020-12-25 | 2020-12-25 | Insulated high-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560974.7A CN112750567B (en) | 2020-12-25 | 2020-12-25 | Insulated high-voltage power cable |
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| Publication Number | Publication Date |
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| CN112750567A true CN112750567A (en) | 2021-05-04 |
| CN112750567B CN112750567B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011560974.7A Active CN112750567B (en) | 2020-12-25 | 2020-12-25 | Insulated high-voltage power cable |
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| CN2197761Y (en) * | 1994-04-29 | 1995-05-17 | 席铨 | Spring wire-guide for electric pipes |
| JPH1189035A (en) * | 1997-09-05 | 1999-03-30 | Hitachi Plant Eng & Constr Co Ltd | Method and equipment for stringing cable |
| KR100806932B1 (en) * | 2007-11-16 | 2008-02-27 | (주)동우기술단 | Transfer apparatus of power cable |
| KR20100093646A (en) * | 2009-02-17 | 2010-08-26 | 섬진전기(주) | Introduction rope delivery apparatus for laying cable and the delivery method thereof |
| CN206060064U (en) * | 2016-10-13 | 2017-03-29 | 山东钢铁股份有限公司 | A kind of penetration pipe cable traction device |
| CN108134343A (en) * | 2017-12-22 | 2018-06-08 | 宁波东方电缆股份有限公司 | A kind of emergency repair method of three-core cable |
| CN108199303A (en) * | 2018-03-06 | 2018-06-22 | 成都途图乐科技有限公司 | A kind of strong and weak electricity screened wiring shift unit |
| CN111555193A (en) * | 2020-05-27 | 2020-08-18 | 杨奔奔 | Threading construction device for building electrical engineering |
| CN111747241A (en) * | 2020-07-06 | 2020-10-09 | 平潭县绵亘电子科技有限公司 | Threading construction auxiliary device for electrical engineering |
| CN211880012U (en) * | 2020-04-02 | 2020-11-06 | 卢军 | Electrical engineering cable protection device |
| CN111917073A (en) * | 2020-08-13 | 2020-11-10 | 武义涵歌电子有限公司 | Cable insulation sheath plastic damage repairing device |
-
2020
- 2020-12-25 CN CN202011560974.7A patent/CN112750567B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197761Y (en) * | 1994-04-29 | 1995-05-17 | 席铨 | Spring wire-guide for electric pipes |
| JPH1189035A (en) * | 1997-09-05 | 1999-03-30 | Hitachi Plant Eng & Constr Co Ltd | Method and equipment for stringing cable |
| KR100806932B1 (en) * | 2007-11-16 | 2008-02-27 | (주)동우기술단 | Transfer apparatus of power cable |
| KR20100093646A (en) * | 2009-02-17 | 2010-08-26 | 섬진전기(주) | Introduction rope delivery apparatus for laying cable and the delivery method thereof |
| CN206060064U (en) * | 2016-10-13 | 2017-03-29 | 山东钢铁股份有限公司 | A kind of penetration pipe cable traction device |
| CN108134343A (en) * | 2017-12-22 | 2018-06-08 | 宁波东方电缆股份有限公司 | A kind of emergency repair method of three-core cable |
| CN108199303A (en) * | 2018-03-06 | 2018-06-22 | 成都途图乐科技有限公司 | A kind of strong and weak electricity screened wiring shift unit |
| CN211880012U (en) * | 2020-04-02 | 2020-11-06 | 卢军 | Electrical engineering cable protection device |
| CN111555193A (en) * | 2020-05-27 | 2020-08-18 | 杨奔奔 | Threading construction device for building electrical engineering |
| CN111747241A (en) * | 2020-07-06 | 2020-10-09 | 平潭县绵亘电子科技有限公司 | Threading construction auxiliary device for electrical engineering |
| CN111917073A (en) * | 2020-08-13 | 2020-11-10 | 武义涵歌电子有限公司 | Cable insulation sheath plastic damage repairing device |
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| CN112750567B (en) | 2022-07-05 |
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Address after: 053100 Tanglin, Zaoqiang County, Hengshui City, Hebei Province Patentee after: Hongfei Cable Group Co.,Ltd. Address before: 053100 Tanglin, Zaoqiang County, Hengshui City, Hebei Province Patentee before: HEBEI HONGFEI WIRE & CABLE CO.,LTD. |
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