CN105738660B - A kind of high-altitude wiring tool - Google Patents
A kind of high-altitude wiring tool Download PDFInfo
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- CN105738660B CN105738660B CN201610231169.7A CN201610231169A CN105738660B CN 105738660 B CN105738660 B CN 105738660B CN 201610231169 A CN201610231169 A CN 201610231169A CN 105738660 B CN105738660 B CN 105738660B
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- rod
- wiring tool
- clamping part
- altitude wiring
- test
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- 230000008450 motivation Effects 0.000 claims abstract description 21
- 238000012546 transfer Methods 0.000 claims abstract description 21
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- 210000000080 chela (arthropods) Anatomy 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 4
- 244000152100 Sorbus torminalis Species 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 59
- 239000012141 concentrate Substances 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 description 10
- 238000009666 routine test Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000518 rheometry Methods 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
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- 230000009466 transformation Effects 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of high-altitude wiring tools, including the body of rod (4), be installed on the body of rod (4) top for by clamping part (2) that test wire is connected on appliance terminal, connect the clamping part (2) and the body of rod (4) for adjusting the rotating part (1) of the clamping part (2) work angle, and the motivation transfer motion part (3) for driving it to move is connect with the clamping part (2), the clamping part (2) is the parallel jaws that clamp two sides is parallel to each other.The high-altitude wiring tool is efficiently solved when 110kV electric substation concentrates and overhauls, variety of problems present in wiring work when to 110kV breaker progress mechanical characteristic test, so that convenient, fast, safety that test connection work becomes.
Description
Technical field
The present invention relates to electrical equipment technical fields, more particularly to a kind of high-altitude wiring tool.
Background technique
As the 110kV electric substation of investment gradually increases, stop the 110kV of maintenance because the time between overhauls(TBO) has arrived in recent years
Electric substation is also more and more, and is all often using the mode for concentrating maintenance.It is huge that 110kV electric substation, which concentrates the workload of maintenance,
Big, wherein the routine test work to maintenance transformer equipment usually requires to complete for 7 hours to 10 hours, the routine test time is flat
The 86% of practical repair time is accounted for, conventional 110kV electric substation concentrates the power off time of service work largely to take
Certainly in the time of equipment routine test.In 7 to 10 hours time testing crew consume physical strength and it is mental be it is huge, examination
The bearing capacity for testing personnel has arrived the limit, and there are many problems.
When carrying out routine test to 110kV rheology, buckling, arrester, each test connection requires multiple climbing ladder, hook
Hanging safety belt completes 110kV rheology, buckling, all pilot projects of arrester and needs ladder 48 times, hooks safety belt 48 times, examination
It is more to test wiring, the step of test connection link is more complicated, and setting up time is time-consuming more.There is safety strap hooks for the mode of connection of ascending a height
The position of extension is too low, work surface is small so that when wiring easy falling from high altitude, electric substation carries out ascending stair operation indoors on equipment frame
The dangerous points such as landing are easy, the test connection operation mode at scene is relatively hazardous at present.Mechanical property examination is carried out to 110kV breaker
When testing, using vehicle operation is increased, there is the unapproachable defects in indoor substation.
In conclusion how to efficiently solve when 110kV electric substation concentrates and overhauls, 110kV breaker is carried out mechanical
Variety of problems present in wiring work when attribute testing, so that convenient, fast, safety that test connection work becomes, are current
Those skilled in the art's urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of high-altitude wiring tool, which is efficiently solved in 110kV
When electric substation concentrates maintenance, variety of problems present in wiring work when to 110kV breaker progress mechanical characteristic test, so that
Convenient, fast, the safety that test connection work becomes.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of high-altitude wiring tool including the body of rod, is installed on connecing for test wire to be connected to equipment for the body of rod top
Clamping part, the connection clamping part and the body of rod on line end are used to adjust the rotation of the clamping part work angle
Part, and it is connect with the clamping part motivation transfer motion part for driving it to move, the clamping part is clamp two
The parallel jaws that face is parallel to each other.
Preferably, the arc anti-skid chequer that the pincers face of the parallel jaws has multiple caliber sizes different.
Preferably, the power transmission part is divided into pneumatic gearing part, the pneumatic gearing part include with it is described parallel
The cylinder of clamp connection connect the tracheae of the air pump and connecting components that are used to provide power with the cylinder and is series at institute
State the pneumatic control valve on tracheae.
Preferably, the pneumatic control valve is specially foot control valve.
Preferably, the body of rod includes that several sections are removably segmented connecting rod.
Preferably, the both ends of the segmentation connecting rod are provided with spiral interface, pass through spiral shell between the segmentation connecting rod
Line connection.
Preferably, the body of rod is integral loop winding technologe system of being pressurizeed by epoxy resin and alkali-free glass fibre Material cladding
The operating stick of work.
Preferably, the motivation transfer motion part is fixed on the lower part of the body of rod, and the tracheae is that dismountable segmentation connects
Adapter tube, and the length of every section of segmentation connecting tube and the length of every section of segmentation connecting rod are adapted.
Preferably, it is connected between the segmentation connecting tube by the quick coupling with self-locking performance.
Preferably, the rotating part includes two arc round ends with threaded hole, and the arc round end passes through bolt
Fixed, the first end of one of them arc round end is mounted on the body of rod topmost, and the of another arc round end
Two ends are connect with the motivation transfer motion part.
High-altitude wiring tool provided by the present invention, including the body of rod, clamping part, rotating part and power transmission part
Point, clamping part is installed on the top of the body of rod, for test wire to be connected to appliance terminal.Rotating part connects clamping part
And the body of rod, for adjusting the work angle of clamping part.Motivation transfer motion part is connect with clamping part, for driving clamping part
Test wire is connected on appliance terminal.Clamping part is the parallel jaws that clamp two sides is parallel to each other, and the two sides of clamp does not have
It links together, is in parallel shape, grip force relies on the impulse force of motivation transfer motion part.Small in size, light-weight, the Ke Yifang of parallel jaws
Just it is connect with motivation transfer motion part, motivation transfer motion part is specially cylinder, and the distance that clamp opens is the stroke of cylinder, control
It is convenient, convenient for operation.
High-altitude wiring tool provided by the present invention is high pressure Special test jointer, to 110kV rheology, buckling, is kept away
When thunder device carries out routine test, the time-consuming of test connection is greatly reduced, so that when 110kV power transformation is concentrated and overhauled to equipment
The routine test time is reduced, it is possible to reduce power off time generates economic benefit, while improving power supply reliability；Test every time
The more complicated feelings of the step of wiring does not need climbing ladder, hooks safety belt, more even for test connection, test connection link
Condition is saved the time of test connection cost using the tool, avoids dangerous point existing for wiring of ascending a height, and it is strong to alleviate labour
Degree, so that the energy of testing crew is more concentrated in the analysis to data, when which concentrates maintenance for 110kV electric substation
It needs to be tantamount to for the testing crew of 6h to 8h testing operation timely；And mechanical property is carried out to 110kV breaker
When test, electric substation is conveniently entered the room using the tool, it is easy to use, with the change of maintenance model and test method, one
A little electrical equipments, test instrument timely update, and working efficiency is continuously improved.It should be noted that using 110kV rheology, buckling,
It is a kind of preferred embodiment that arrester, which carries out routine test, is not uniquely, in 220kV, 500kV higher voltage etc.
The high-altitude wiring tool is equally applicable in the equipment of grade, has very big use value.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of high-altitude wiring tool provided by specific embodiment in the present invention.
It is marked in attached drawing as follows:
1- rotating part, 2- clamping part, 3- motivation transfer motion part, the 4- body of rod.
Specific embodiment
Core of the invention is to provide a kind of high-altitude wiring tool, which efficiently solves in 110kV
When electric substation concentrates maintenance, variety of problems present in wiring work when to 110kV breaker progress mechanical characteristic test, so that
Convenient, fast, the safety that test connection work becomes.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, structural representation of the Fig. 1 for high-altitude wiring tool provided by specific embodiment a kind of in the present invention
Figure.
In a specific embodiment, high-altitude wiring tool provided by the present invention, including the body of rod 4, clamping part 2,
Rotating part 1 and motivation transfer motion part 3, clamping part 2 are installed on the top of the body of rod 4, connect for test wire to be connected to equipment
On line end.Rotating part 1 connects clamping part 2 and the body of rod 4, for adjusting the work angle of clamping part 2.Motivation transfer motion part
3 connect with clamping part 2, for driving clamping part 2 that test wire is connected to appliance terminal.Clamping part 2 is clamp two
Test wire can be clamped and be unclamped by the parallel jaws that face is parallel to each other, clamp, and the two sides of clamp is not attached to together, in flat
Row shape, grip force rely on the impulse force of motivation transfer motion part 3.Parallel jaws it is small in size, light-weight, can be convenient and power transmission
Part 3 connects, and motivation transfer motion part 3 is specially cylinder, and the distance that clamp opens is the stroke of cylinder, easy to control, convenient for behaviour
Make.It should be noted that the standard component being related to can be bought in the market, non-standard component self manufacture.
High-altitude wiring tool provided by the present invention is high pressure Special test jointer, is easy to make, and is spent less；Body
Smaller, the convenient in carrying of product, is suitble to scene to use；It can select to use according to the height of specific equipment, wide application.It is right
When 110kV rheology, buckling, arrester carry out routine test, the time-consuming of test connection is greatly reduced, so that in 110kV power transformation
It concentrates and the routine test time of equipment is reduced when maintenance, it is possible to reduce power off time generates economic benefit, while improving confession
Electric reliability；Test wire can be connected to the terminals of equipment using high-altitude Special test jointer from ground, effect is fine,
The step of test connection does not need climbing ladder, hooks safety belt, more even for test connection, test connection link is more complicated
The case where, the time of test connection cost is saved using the tool, is avoided dangerous point existing for wiring of ascending a height, is alleviated labor
Fatigue resistance, so that the energy of testing crew is more concentrated in the analysis to data, which concentrates 110kV electric substation and examines
It needs to be tantamount to for the testing crew of 6h to 8h testing operation when repairing timely；And 110kV breaker is carried out mechanical
When attribute testing, electric substation is conveniently entered the room using the tool, it is easy to use, with changing for maintenance model and test method
Become, some electrical equipments, test instrument timely update, and working efficiency is continuously improved.It should be noted that using 110kV rheology,
It is a kind of preferred embodiment that buckling, arrester, which carry out routine test, be not it is unique, it is higher in 220kV, 500kV
The high-altitude wiring tool is equally applicable in the equipment of voltage class, has very big use value.
Above-mentioned high-altitude wiring tool is only a kind of preferred embodiment, is specifically not limited thereto, on this basis can be according to reality
Border, which needs to make to have, targetedly to be adjusted, to obtain different embodiments, the pincers face shape of parallel jaws is anti-for arc
Sliding line, arc anti-skid chequer are specifically as follows the round pincers face different with multiple caliber sizes.The caliber size in round pincers face and
The quantity of arc can be depending on practical situations, all within the scope of the present invention.Arc anti-skid chequer and test wire
It fits closely, folder test wire is solid and reliable, and test wire is not easy to be displaced；The insulating layer of test wire can be protected well；Using spiral shell
The cylinder of silk and motivation transfer motion part 3 is fixed, and connection is reliable.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of specific occasion, to height
Empty jointer carries out several changes, and motivation transfer motion part 3 is pneumatic gearing part, uses pneumatic mechanism as power transmission,
Pneumatic Transmission transmits the Fluid-transmission of power or information by the pressure of gas using compressed gas as working media.Pneumatic Transmission by
Gas source, pneumatic apparatus, pneumatic control valve and pneumatic auxiliary composition, gas source are provided by compressor, and pneumatic apparatus is pressure
The pressure energy of contracting gas is converted to mechanical energy, for driving workpiece, including cylinder and air motor.Specifically, pneumatic
Running part includes the cylinder connecting with parallel jaws, connect the air pump and connecting components being used to provide power with cylinder
Tracheae and the pneumatic control valve being series on tracheae.Pneumatic gearing part operation is easy, time saving, laborsaving, such as by test wire
Wire clamp, the test wire wire clamp of insulation resistance meter, the wire clamp of direct current aerial drainage test wire, mechanical characteristic test line wire clamp, opening
Power is from 82N to 185N, and parallel jaws are opened away from for 18mm to 29mm；It is light-weight, for example contribute and reach the cylinder weight of 185N
For 1.5kg；It can be realized testing wire clamp to appliance terminal, effect is all good；Pneumatic gearing SI semi-insulation is preferable；It is fabricated to
This is lower.
Those skilled in the art can be according to the difference of specific occasion to the pneumatic control in above-mentioned specific embodiment
Valve carries out several changes, and the switch for controlling air pump is divided into remote manual control and foot-operated control, it is contemplated that whole equipment is able to carry out list
Military drill is made, and selection carries out foot-operated control, and pneumatic control valve is specially foot control valve, is not only able to satisfy requirement, but also can be rationally
Labor-saving cost.
According to the tension of the test wire wire clamp of required clamping, the power that the cylinder of selection generates will be more than required maximum tension
Value, according to existing specification on the market, has selected the model of cylinder body.It should be noted that the cylinder power output of selection is slightly remaining
Amount, if cylinder diameter selects small, power output is inadequate, cylinder cisco unity malfunction；If cylinder diameter is excessive, not only make equipment heavy, at high cost,
Air consumption increases simultaneously, causes energy waste.
In order to cooperate the power output of cylinder, determines the model of air pump, such as cylinder bore 40mm, can choose 220V exchange and supply
The micro air pump of electricity, contributes as 150PSI, apparent size 25mm*20mm*14mm, weight 2.4kg, and delivery outlet diameter is
6mm。
According to the requirement of the delivery outlet of air pump, selection uses the specification of tracheae.Tracheae can be PU tracheae, which is can
Plasticity polyurethane materials, meet environmental requirement；High resiliency is small that bending radius enables PU pipe to pass through small space；It is anti-wear, make
It is long with the time limit, suitable for environment easy to wear；Permeability to gas is low, antilysis is good.
It is important to note that high-altitude wiring tool provided by the present invention is not intended to be limited to such situation, the body of rod 4
It is removably segmented connecting rod including several sections, every section of bar is screwed on to or removed the length for changing the body of rod 4, it is easy to adjust,
Make simple, advantage of lower cost；Arbitrarily disassembly can be needed according to wiring height；It is firm to connect, and when test shakes very little；Only
Need to separately make one section of bar can extension length again, it is applied widely: the equipment test of 220kV can be further used for.
High-altitude wiring tool provided by the present invention is segmented the both ends of connecting rod in the immovable situation of other components
It is provided with spiral interface, wherein one end is equivalent to nut, and the other end is equivalent to bolt, is segmented between connecting rod and connects by screw thread
Connect, with bolt, nut connect stock, it is easy to connect, can merogenesis carry, it is easy to carry.
For the high-altitude wiring tool in above-mentioned each embodiment, the body of rod 4 is to pass through epoxy resin and alkali-free glass fibre
The operating stick of Material cladding pressurization integral loop winding technologe production, insulation performance is preferable, and secured intensity is higher.
In order to further optimize the above technical scheme, motivation transfer motion part 3 is fixed on the lower part of the body of rod 4, due to the body of rod 4
Dividing is that segmentation is attached, for the ease of being adapted the tracheae of pneumatic gearing part therewith with the mating disassembling section of operating stick
Segmentation connection has been carried out, middle gas tube coupling part has been segmented by operation pole length,.Tracheae is that dismountable segmentation connects
Adapter tube, and the length of every section of segmentation connecting tube and the length of every section of segmentation connecting rod are adapted, front and back is mounted with gas-tpe fitting, just
It is more convenient to use in interconnection.
On the basis of above-mentioned each specific embodiment, it is segmented between connecting tube and is connected by the quick coupling with self-locking performance
It connecing, quick coupling connection tracheae is relatively good, and it is with it on tracheae, it is air tight once slotting ventilation with another connector,
One group just separates, and has many advantages, such as that convenient, fast, automatic blocking is air tight.
Tracheae and air pump, cylinder, foot control valve are attached, air pump plugs in, and steps on foot control valve and checks
Whether cylinder is operating normally, and checks pneumatic part, guarantees that pneumatic gearing part is normal without gas leak phenomenon, acting.
Another inventive concept provided by the present invention is there is a rotating part 1 between the body of rod 4 and clamping part 2,
Play the role of adjusting work angle.When parallel jaws clamp test wire, wiring personnel may stand on ground and select properly
Angle carry out wiring.Rotating part 1 includes two arc round ends with threaded hole, and arc round end is bolted.Its
In the first end of an arc round end be mounted on the body of rod 4 topmost, the second end and motivation transfer motion part 3 of another arc round end
Connection, screw thread is smooth, is connected firmly.It punching in rotating part 1, line is attacked in the junction punching of rotating part 1 and cylinder, and
Line is attacked in side punching, is withstood cylinder by bolt to realize adjusting angle, can be adjusted angle, and is reliably fixed selected
Angle, it is easy to adjust；It designs simple, easy to make；Do not increase the weight of tool head additionally, it is small in size, light-weight.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of high-altitude wiring tool, which is characterized in that including the body of rod (4), be installed on the body of rod (4) top for will try
Clamping part (2), the connection clamping part (2) and the body of rod (4) that line is connected on appliance terminal is tested to be used to adjust institute
The rotating part (1) of clamping part (2) work angle is stated, and is connect with the clamping part (2) for driving it to move
Motivation transfer motion part (3), the clamping part (2) are the parallel jaws that clamp two sides is parallel to each other, the pincers of the parallel jaws
The arc anti-skid chequer that face has multiple caliber sizes different, the motivation transfer motion part (3) are pneumatic gearing part, described pneumatic
Running part includes the cylinder connecting with the parallel jaws, with the cylinder connect the air pump being used to provide power and connection
The tracheae of each component and the pneumatic control valve being series on the tracheae.
2. high-altitude wiring tool according to claim 1, which is characterized in that the pneumatic control valve is specially foot-operated control
Valve.
3. high-altitude wiring tool according to claim 1, which is characterized in that the body of rod (4) includes that several sections are detachable
Segmentation connecting rod.
4. high-altitude wiring tool according to claim 3, which is characterized in that the both ends of the segmentation connecting rod are provided with
Spiral interface is connected through a screw thread between the segmentation connecting rod.
5. high-altitude wiring tool according to claim 4, which is characterized in that the body of rod (4) be by epoxy resin and
The operating stick of alkali-free glass fibre Material cladding pressurization integral loop winding technologe production.
6. high-altitude wiring tool according to claim 3, which is characterized in that the motivation transfer motion part (3) is fixed on institute
The lower part of the body of rod (4) is stated, the tracheae is removably segmentation connecting tube, and every section of length for being segmented connecting tube and every section
The length of the segmentation connecting rod is adapted.
7. high-altitude wiring tool according to claim 6, which is characterized in that by having certainly between the segmentation connecting tube
The quick coupling connection of lock property.
8. high-altitude wiring tool according to claim 1-7, which is characterized in that the rotating part (1) includes
Two arc round ends with threaded hole, the arc round end are bolted, and the first of one of them arc round end
End is mounted on the body of rod (4) topmost, and the second end of another arc round end and the motivation transfer motion part (3) are even
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231169.7A CN105738660B (en) | 2016-04-14 | 2016-04-14 | A kind of high-altitude wiring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231169.7A CN105738660B (en) | 2016-04-14 | 2016-04-14 | A kind of high-altitude wiring tool |
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| Publication Number | Publication Date |
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| CN105738660A CN105738660A (en) | 2016-07-06 |
| CN105738660B true CN105738660B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610231169.7A Active CN105738660B (en) | 2016-04-14 | 2016-04-14 | A kind of high-altitude wiring tool |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387764B (en) * | 2018-02-10 | 2020-09-01 | 国网山东省电力公司平阴县供电公司 | Special junction pole for large-current generator |
| CN111555165B (en) * | 2020-05-25 | 2021-11-23 | 保定市英电电力科技有限公司 | Equipment for electric power maintenance and overhaul |
| CN112462093B (en) * | 2020-10-12 | 2023-02-03 | 贵州电网有限责任公司 | Device for outdoor testing of resistance of conductive circuit of circuit breaker |
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| CN203350292U (en) * | 2013-07-01 | 2013-12-18 | 国家电网公司 | Wiring apparatus used for breaker characteristic test |
| CN103728474A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Upper air wiring clamp |
| CN105319399A (en) * | 2014-06-30 | 2016-02-10 | 国家电网公司 | High-altitude wiring device for mutual inductor detection equipment |
| CN204439667U (en) * | 2014-12-31 | 2015-07-01 | 国家电网公司 | A kind of portable type current transformer testing clamp |
| CN204556666U (en) * | 2015-01-28 | 2015-08-12 | 石宁 | A kind of test of lightning arrester thread guide devices |
| CN105334355A (en) * | 2015-11-17 | 2016-02-17 | 国网北京市电力公司 | High-altitude wiring device |
| CN205665267U (en) * | 2016-04-14 | 2016-10-26 | 国网浙江杭州市余杭区供电公司 | High altitude wiring tool |
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| CN105738660A (en) | 2016-07-06 |
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Address after: 311199 No. 398-399, lotus flower street, Nanyuan street, Yuhang District, Hangzhou, Zhejiang. Applicant after: Yuhang district power supply Co., Ltd., Hangzhou City, Zhejiang Applicant after: State Grid Corporation of China Applicant after: State Grid Zhejiang Electric Power Co., Ltd. Hangzhou power supply company Applicant after: Zhejiang Electric Power Co., Ltd. Address before: 311199 No. 100, lotus flower street, Nanyuan street, Yuhang District, Hangzhou, Zhejiang. Applicant before: State Grid Zhejiang Hangzhou Yuhang District Power Supply Company Applicant before: State Grid Corporation of China Applicant before: Hangzhou Power Supply Company, State Grid Zhejiang Electric Power Company Applicant before: State Grid Zhejiang Electric Power Company |
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