CN106542376A - A kind of cable recovering apparatus and its method - Google Patents
A kind of cable recovering apparatus and its method Download PDFInfo
- Publication number
- CN106542376A CN106542376A CN201611119950.1A CN201611119950A CN106542376A CN 106542376 A CN106542376 A CN 106542376A CN 201611119950 A CN201611119950 A CN 201611119950A CN 106542376 A CN106542376 A CN 106542376A
- Authority
- CN
- China
- Prior art keywords
- cable
- recovering apparatus
- box body
- detection means
- insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/006—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package quality control of the package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention provides a kind of cable recovering apparatus and its method, cable recovering apparatus include support base, winding wheel, drive mechanism and cable insulation detection means；The cable insulation detection means is detected for the carrying out of the cable insulation to being wound；The cable insulation detection means includes insulation shell, high-pressure electrostatic field generator and current/voltage detection means.The cable recovering apparatus simple structure that the present invention is provided, it is easy to use, during cable is reclaimed, detection of electrical leakage is carried out to the insulating outer layer of cable, and in leaky site spraying labelling, in order to the cable maintenance in later stage, be the cable in later stage using eliminating safe hidden trouble in time.
Description
Technical field
The present invention relates to power transmission technical field of operation, more particularly, to a kind of cable recovering apparatus and its method.
Background technology
At present, cable has become indispensable condition in construction process, constructs where some are remote, special
When, in nearer scope may no power supply facilities, be at this moment accomplished by being powered using cable is longer-distance, be that engineering is applied
Work provides condition；Cable is typically all wrapped on winding wheel, and when needing, drawn out cable carries out connecing electricity；At the end of power supply, need by
Cable is reclaimed.
As cable is during application, need which is removed from cable hank, and deliver to point of application and applied, but
As generally there is hank of cable disk substantial amounts of cable to be coiled in thereon, therefore cable hank has larger weight, from cable
Remove relatively difficult when cable on disk.The construction such as the unwrapping wire of cable, recovery process, base in electric power maintenance and correlation engineering
This employing manually operation or simple machinery realizing, lifting the movement of the capstan winch with cable by manpower merely carries out folding and unfolding
Line is extremely laborious, make unwrapping wire, recovery operation it is less efficient, and need many people to cooperate and could carry out simultaneously.Particularly with
Heavier or longer cable drum, recovery are more bothered.
Be more seriously, cable in use, due to the working environment that the comparison mostly in field is rough,
Cable Jing is often dragged on the ground and is slided, and thus easily causes the abrasion of insulating barrier, so as to reduce the safety of cable
And quality；And it is current, cable recovering apparatus there is no detection methods as such and facility；If when cable withdraws
Examination and maintenance can not be carried out in time, then easily for the cable next time using bringing very big potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of cable recovering apparatus and its method, to solve not having present in prior art
There are the safety inspection means and facility, be the next time of the cable using the technical problem for bringing very big potential safety hazard.
To solve above-mentioned technical problem, a kind of cable recovering apparatus that the present invention is provided, including support base, winding wheel, drive
Motivation structure and cable insulation detection means；
The winding wheel is rotatably arranged on support base；
The drive mechanism is used to drive winding wheel to rotate；
The cable insulation detection means is detected for the carrying out of the cable insulation to being wound；The cable insulation inspection
Surveying device includes insulation shell, high-pressure electrostatic field generator and current/voltage detection means；
Cavity is provided with insulation shell；Cable access and cable outlet are respectively arranged with the end face of both sides in front and back；Twined
Around cable cable access and cable outlet described in be wrapped on the winding wheel through after cavity；
High-pressure electrostatic field generator includes circuit for producing high voltage, positive plate and negative plate；The positive plate and negative plate point
Jian Ge not be oppositely arranged in the cavity of the insulation shell, for producing high-voltage electrostatic field in cavity；
The current/voltage detection means includes electrode input end and negative input, and the electrode input end passes through circuit
It is connected with the interior metal conductor of cable；The negative input is connected with the negative plate by circuit.
When high-voltage electrostatic field, circuit for producing high voltage is connected cable respectively with positive plate and negative plate, positive and negative pole plate it
Between form high pressure, and form high-voltage electrostatic field in cavity；If the insulating barrier of cable outer layer is remained intact, the high pressure is quiet
Electric field then cannot produce impact to the cable；And once the insulating barrier of cable is damaged, then the metallic conductor and high pressure inside cable
Electrostatic field is contacted, and then a voltage is formed between the positive and negative electrode input and negative input of current/voltage detection means
Difference, and produce electric current；I.e. when current/voltage detection means detects voltage or electric current is produced, then mean the insulation of cable
Layer there occurs damaged scene.
Further, the cable recovering apparatus are also included for clearing up the cleaning mechanism of Exterior cable sludge.
Further, the cleaning mechanism is arranged on the front end of the insulation shell, and the cable being wound is sequentially passed through clearly
It is wrapped on the winding wheel after reason mechanism, the inner chamber of the insulation shell.
Further, the cleaning mechanism include clear up box body, clear up box body rear and front end be provided with cable inlet and
Cable outlet, is provided with nozzle on the side wall for clearing up box body, nozzle is connected to the dirt on water flushing cable sheath with water source
Mud.
By arranging cleaning mechanism, when cable passes through high-voltage electrostatic field so that the outside of cable keeps cleaning, so as to keep away
Exempt from the case of cable insulation breakage, due to being wrapped in or damaged part is blocked by the viscous pollutant for sticking in Exterior cable
Firmly, and then cause the electronics in electric field penetrate into cable, and then cause the problem to the damaged part missing inspection, so as to carry
The high accuracy of the detection of cable.
Further, the cleaning box body is provided with annular brush at cable inlet, the bristle of annular brush around
Cable it is cylindrical annular arrange, for swiped through cable it is cylindrical so that it is preliminary remove cable outside sludge.
Further, the drainage mechanism for removing hydrops on cable is provided with the cable outlet of the cleaning box body.
Further, drainage mechanism be arranged on it is described cleaning box body cable outlet on annular rubber ring, annular rubber
The endoporus of cushion rubber is not more than the external diameter of cable.
Further, the cleaning mechanism includes water tank and the pump housing；The pump housing by pipeline respectively with water tank and cleaning
Nozzle connection on box body；The bottom of cleaning box body is provided with water return outlet, and water return outlet is connected with water tank by pipeline.
Further, the cable recovering apparatus also include processor and spraying labelling apparatus, the processor respectively with
The current/voltage detection means and spraying labelling apparatus connection；When the current/voltage detection means detects electric current or electricity
During pressure, the processor control spraying labelling apparatus spray the coating for labelling in the leaky site of cable.
Further, the spraying labelling apparatus include coating storage tank, spray gun and controller, the controller with it is described
Processor connects.
Further, the drive mechanism includes motor and decelerator, and the motor passes through decelerator and the winding wheel
Connection, for driving winding wheel to rotate.
Further, the cable recovering apparatus also include the accumulator powered for the motor.
A kind of method cable reclaimed using above-mentioned cable recovering apparatus.
Using above-mentioned technical proposal, the present invention has the advantages that：
The cable recovering apparatus simple structure that the present invention is provided, it is easy to use, during cable is reclaimed, to cable
Insulating outer layer carries out detection of electrical leakage, and the labelling in leaky site spraying, in order to the cable maintenance in later stage, is the cable in later stage
Using eliminating safe hidden trouble in time.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of structural representation of cable recovering apparatus provided in an embodiment of the present invention；
Fig. 2 is that the position relationship of cleaning mechanism and insulation shell in cable recovering apparatus provided in an embodiment of the present invention is illustrated
Figure；
Fig. 3 is the structural representation of cleaning mechanism in cable recovering apparatus provided in an embodiment of the present invention；
Fig. 4 is the structural representation of spraying labelling apparatus in cable recovering apparatus provided in an embodiment of the present invention；
Reference：
1- cables；10- support bases；
20- winding wheels；30- drive mechanisms；
31- decelerators；35- motors；
40- insulation shells；41- cable access；
42- cable outlets；43- cavitys；
50- high-pressure electrostatic field generators；51- circuit for producing high voltage；
52- positive plates；53- negative plates；
60- current/voltage detection means；70- cleaning mechanisms；
71- clears up box body；71a- cable inlets；
71b- cable outlets；71c- water return outlets；
72 drainage mechanism 73 of nozzle
74- annular brushes；75- water tanks；
The 76- pump housings；81- spray guns；
82- controllers；83- processors.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
With reference to specific embodiment the present invention will be further explained explanation.
Fig. 1 is a kind of structural representation of cable recovering apparatus provided in an embodiment of the present invention.
As shown in figure 1, a kind of cable recovering apparatus that the present embodiment is provided, including support base 10, winding wheel 20, driving machine
Structure 30 and cable insulation detection means；
Winding wheel 20 is rotatably arranged on support base 10；
Drive mechanism 30 is used to drive winding wheel 20 to rotate；
Cable insulation detection means is detected for the carrying out of 1 insulating barrier of cable to being wound；Cable insulation detection means
Including insulation shell 40, high-pressure electrostatic field generator 50 and current/voltage detection means 60；
Cavity 43 is provided with insulation shell 40；Cable access 41 and cable outlet are respectively arranged with the end face of both sides in front and back
42；The cable 1 being wound is wrapped on winding wheel 20 through after cavity 43 Jing cable access 41 and cable outlet 42；
High-pressure electrostatic field generator 50 includes circuit for producing high voltage 51, positive plate 52 and negative plate 53；Positive plate 52 and negative
Pole plate 53 is respectively separated and is oppositely arranged in the cavity 43 of insulation shell 40, for producing high-voltage electrostatic field in cavity 43；
Current/voltage detection means 60 includes electrode input end and negative input, and electrode input end passes through circuit and cable
1 interior metal conductor connection, it is preferable that front end or the metallic conductor of end of the electrode input end by circuit and cable 1
Connection；Negative input is connected with negative plate 53 by circuit.
When high-voltage electrostatic field, circuit for producing high voltage 51 is connected cable 1 respectively with positive plate 52 and negative plate 53, positive pole
High pressure is formed between plate 52 and negative plate 53, and high-voltage electrostatic field is formed in cavity 43；If the insulating barrier of 1 outer layer of cable is protected
Hold excellent, the high-voltage electrostatic field then cannot produce impact to the cable 1；And once the insulating barrier of cable 1 is damaged, then cable
Metallic conductor inside 1 is contacted with high-voltage electrostatic field, and then in the positive and negative electrode input and negative pole of current/voltage detection means 60
A voltage difference is formed between input, and produces electric current；I.e. when current/voltage detection means 60 detects voltage or electric current
During generation, then mean that the insulating barrier of cable 1 there occurs damaged scene.
Fig. 2 is that the position relationship of cleaning mechanism and insulation shell in cable recovering apparatus provided in an embodiment of the present invention is illustrated
Figure.
As shown in Fig. 2 cable recovering apparatus are also included for clearing up the cleaning mechanism 70 of 1 outside sludge of cable.
Cleaning mechanism 70 is arranged on the front end of insulation shell 40, and the cable 1 being wound sequentially passes through cleaning mechanism 70, insulation
It is wrapped in after the inner chamber of housing 40 on winding wheel 20.
Cleaning mechanism 70 includes clearing up box body 71, and the rear and front end for clearing up box body 71 is provided with cable inlet 71a and cable
Outlet 71b, is provided with nozzle 72 on the side wall for clearing up box body 71, nozzle 72 is connected to rinse 1 crust of cable with water with water source
On sludge.
By arranging cleaning mechanism 70, when cable 1 passes through high-voltage electrostatic field so that the outside of cable 1 keeps cleaning, from
And avoid in the case of the breakage of 1 insulating barrier of cable, due to being wrapped in or the viscous pollutant sticked in outside cable 1 are by damaged portion
Position blocks, and then causes the electronics in electric field penetrate into cable 1, and then causes to ask the damaged part missing inspection
Topic, so as to improve the accuracy of the detection of cable 1.
Fig. 3 is the structural representation of cleaning mechanism in cable recovering apparatus provided in an embodiment of the present invention.
As shown in figure 3, cleaning box body 71 is provided with annular brush 74, the bristle of annular brush 74 at cable inlet 71a
Arrange around the cylindrical annular of cable 1, for swiped through cable 1 is cylindrical and then the preliminary sludge removed outside cable 1.
The drainage mechanism 73 for removing hydrops on cable 1 is provided with the outlet of cleaning box body 71.
Drainage mechanism 73 is the annular rubber ring that is arranged in the outlet of cleaning box body 71, and the endoporus of annular rubber ring is little
In the external diameter of cable 1.
Cleaning mechanism 70 includes water tank 75 and the pump housing 76；The pump housing 76 by pipeline respectively with water tank 75 and clear up box body
Nozzle 72 on 71 is connected；The bottom of cleaning box body 71 is provided with water return outlet 71c, and water return outlet 71c is by pipeline and water tank 75
Connection.
Fig. 4 is the structural representation of spraying labelling apparatus in cable recovering apparatus provided in an embodiment of the present invention.
As shown in figure 4, cable recovering apparatus also include processor 83 and spraying labelling apparatus, processor 83 respectively with electric current
Voltage check device 60 and spraying labelling apparatus connection；When current/voltage detection means 60 detects electric current or voltage, place
The reason control spraying labelling apparatus of device 83 spray the coating for labelling in the leaky site of cable 1.
Spraying labelling apparatus include coating storage tank, spray gun 81 and controller 82, and controller 82 is connected with processor 83.
Drive mechanism 30 includes motor 35 and decelerator 31, and main shaft of the motor 35 by decelerator 31 with winding wheel 20 connects
Connect, for driving winding wheel 20 to rotate.
Cable recovering apparatus also include the accumulator (not shown) powered for motor.
The cable recovering apparatus simple structure that the present invention is provided, it is easy to use, during cable is reclaimed, to cable
Insulating outer layer carries out detection of electrical leakage, and the labelling in leaky site spraying, in order to the cable maintenance in later stage, is the cable in later stage
Using eliminating safe hidden trouble in time.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of cable recovering apparatus, it is characterised in that fill including the detection of support base, winding wheel, drive mechanism and cable insulation
Put；
The winding wheel is rotatably arranged on support base；
The drive mechanism is used to drive winding wheel to rotate；
The cable insulation detection means is detected for the carrying out of the cable insulation to being wound；The cable insulation detection dress
Put including insulation shell, high-pressure electrostatic field generator and current/voltage detection means；
Cavity is provided with insulation shell；Cable access and cable outlet are respectively arranged with the end face of both sides in front and back；It is wound
Cable inlet and outlet described in is wrapped on the winding wheel through after cavity；
High-pressure electrostatic field generator includes circuit for producing high voltage, positive plate and negative plate；Between the positive plate and negative plate difference
Every being oppositely arranged in the cavity of the insulation shell, for producing high-voltage electrostatic field in cavity；
The current/voltage detection means includes electrode input end and negative input, and the electrode input end is by circuit and electricity
The interior metal conductor connection of cable；The negative input is connected with the negative plate by circuit.
2. cable recovering apparatus according to claim 1, it is characterised in that the cable recovering apparatus are also included for clear
The cleaning mechanism of reason Exterior cable sludge；The cleaning mechanism is arranged on the front end of the insulation shell, the cable being wound according to
It is secondary to be wrapped on the winding wheel after cleaning mechanism, the inner chamber of the insulation shell.
3. cable recovering apparatus according to claim 2, it is characterised in that the cleaning mechanism includes clearing up box body, clearly
The rear and front end of reason box body is provided with cable inlet and cable outlet, is provided with nozzle, nozzle and water on the side wall for clearing up box body
Source is connected to the sludge rinsed on cable sheath with water.
4. cable recovering apparatus according to claim 3, it is characterised in that the cleaning box body is arranged at cable inlet
There is an annular brush, the bristle of annular brush is arranged around the cylindrical annular of cable, it is cylindrical for swiped through cable and then remove cable
Outer sludge.
5. cable recovering apparatus according to claim 3, it is characterised in that arrange on the cable outlet of the cleaning box body
There is the drainage mechanism for removing hydrops on cable.
6. cable recovering apparatus according to claim 5, it is characterised in that drainage mechanism is to be arranged on the cleaning box body
Cable outlet on annular rubber ring, the endoporus of annular rubber ring is not more than the external diameter of cable.
7. cable recovering apparatus according to claim 3, it is characterised in that the cleaning mechanism includes water tank and pump
Body；The pump housing is connected with the nozzle on water tank and cleaning box body respectively by pipeline；The bottom of cleaning box body is provided with water return outlet,
Water return outlet is connected with water tank by pipeline.
8. cable recovering apparatus according to claim 1, it is characterised in that the cable recovering apparatus also include processor
With spraying labelling apparatus, the processor respectively with the current/voltage detection means and spray labelling apparatus be connected；When described
When current/voltage detection means detects electric current or voltage, the processor control spraying labelling apparatus are in the electric leakage portion of cable
Position spraying labelling.
9. cable recovering apparatus according to claim 8, it is characterised in that the spraying labelling apparatus include that coating is stored
Tank, spray gun and controller, the controller are connected with the processor.
10. a kind of method reclaimed to cable by the cable recovering apparatus described in any one of employing claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119950.1A CN106542376B (en) | 2016-12-08 | 2016-12-08 | A kind of cable recovering apparatus and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119950.1A CN106542376B (en) | 2016-12-08 | 2016-12-08 | A kind of cable recovering apparatus and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106542376A true CN106542376A (en) | 2017-03-29 |
| CN106542376B CN106542376B (en) | 2019-04-30 |
Family
ID=58397416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119950.1A Expired - Fee Related CN106542376B (en) | 2016-12-08 | 2016-12-08 | A kind of cable recovering apparatus and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106542376B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444982A (en) * | 2017-09-15 | 2017-12-08 | 嘉兴奥亿普数据电缆有限公司 | A kind of cable production detection wrap-up |
| CN108584540A (en) * | 2018-04-23 | 2018-09-28 | 贵州首为电线电缆有限公司 | Cable collecting device |
| CN109374972A (en) * | 2018-10-13 | 2019-02-22 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of tool of the storage of collection insulation ropes and detection one |
| CN110589628A (en) * | 2018-06-13 | 2019-12-20 | 国网辽宁省电力有限公司营口供电公司 | Integrated device for storage, carrying and field detection of insulating rope |
| CN112978485A (en) * | 2021-03-16 | 2021-06-18 | 国家电网有限公司 | Cable fault detection device |
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| JPH07133061A (en) * | 1993-11-09 | 1995-05-23 | Murata Mach Ltd | Yarn winding detecting device for contact roller |
| CN201355566Y (en) * | 2008-11-20 | 2009-12-02 | 上海益而益电器制造有限公司 | Electric wire with current leakage detection conductor |
| CN202829149U (en) * | 2012-12-12 | 2013-03-27 | 浙江省邮电器材公司 | Wire-winding machine for optical cable sheath |
| CN103592586A (en) * | 2013-11-27 | 2014-02-19 | 国家电网公司 | Power cable insulation monitoring system |
| CN103837802A (en) * | 2014-04-10 | 2014-06-04 | 重庆舰帏机械有限公司 | Cable insulation detecting device |
| CN204359871U (en) * | 2014-11-24 | 2015-05-27 | 江西洪都航空工业集团有限责任公司 | A kind of cable insulation pick-up unit |
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| JPH07133061A (en) * | 1993-11-09 | 1995-05-23 | Murata Mach Ltd | Yarn winding detecting device for contact roller |
| CN201355566Y (en) * | 2008-11-20 | 2009-12-02 | 上海益而益电器制造有限公司 | Electric wire with current leakage detection conductor |
| CN202829149U (en) * | 2012-12-12 | 2013-03-27 | 浙江省邮电器材公司 | Wire-winding machine for optical cable sheath |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444982A (en) * | 2017-09-15 | 2017-12-08 | 嘉兴奥亿普数据电缆有限公司 | A kind of cable production detection wrap-up |
| CN107444982B (en) * | 2017-09-15 | 2022-12-27 | 嘉兴奥亿普数据电缆有限公司 | Cable manufacture is with detecting coiling mechanism |
| CN108584540A (en) * | 2018-04-23 | 2018-09-28 | 贵州首为电线电缆有限公司 | Cable collecting device |
| CN108584540B (en) * | 2018-04-23 | 2020-07-28 | 贵州首为电线电缆有限公司 | Cable collecting device |
| CN110589628A (en) * | 2018-06-13 | 2019-12-20 | 国网辽宁省电力有限公司营口供电公司 | Integrated device for storage, carrying and field detection of insulating rope |
| CN109374972A (en) * | 2018-10-13 | 2019-02-22 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of tool of the storage of collection insulation ropes and detection one |
| CN112978485A (en) * | 2021-03-16 | 2021-06-18 | 国家电网有限公司 | Cable fault detection device |
| CN112978485B (en) * | 2021-03-16 | 2022-07-22 | 国家电网有限公司 | Cable fault detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106542376B (en) | 2019-04-30 |
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