CN109904786A - A kind of 10 kilovolts of pillar insulators limit insulated isolated device - Google Patents

A kind of 10 kilovolts of pillar insulators limit insulated isolated device Download PDF

Info

Publication number
CN109904786A
CN109904786A CN201910162104.5A CN201910162104A CN109904786A CN 109904786 A CN109904786 A CN 109904786A CN 201910162104 A CN201910162104 A CN 201910162104A CN 109904786 A CN109904786 A CN 109904786A
Authority
CN
China
Prior art keywords
limit
limit plate
case
insulator
kilovolts
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.)
Pending
Application number
CN201910162104.5A
Other languages
Chinese (zh)
Inventor
宋超
钱樑
姜军钦
钱建苗
刘文建
韩建峰
刘鹏
边云云
陈高其
毛源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yuyao Power Supply Co Ltd
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Zhejiang Yuyao Power Supply Co Ltd
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Yuyao Power Supply Co Ltd, Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Zhejiang Yuyao Power Supply Co Ltd
Priority to CN201910162104.5A priority Critical patent/CN109904786A/en
Publication of CN109904786A publication Critical patent/CN109904786A/en
Pending legal-status Critical Current

Links

Landscapes

  • Insulators (AREA)

Abstract

The present invention provides a kind of 10 kilovolts of pillar insulators limit insulated isolated device, including masking case and limit plate, covering case includes roof, bottom wall, left side wall, right side wall, front side wall and rear wall, limit plate is movably arranged on the roof of masking case, it covers and is equipped with the first evacuation notch on the roof and bottom wall of case, limit plate is equipped with spacing bayonet, after masking case is installed in place by the first evacuation notch and insulator, operation limit plate is so that insulator is blocked and covers the first evacuation notch by spacing bayonet, in this way when carrying out insulation masking to insulator and cross-arm, first evacuation notch can be inserted against insulator, so that insulator is located in the first evacuation notch, to which insulator and cross-arm be covered, then in operation limit plate so that spacing bayonet blocks insulator, limit plate is also by the first evacuation notch masking simultaneously , so that insulator and cross-arm are shielded, such operator will not touch cross-arm in operation, to avoid Danger Electric shock risk.

Description

A kind of 10 kilovolts of pillar insulators limit insulated isolated device
Technical field
The present invention relates to power equipment maintaining auxiliary tools, more particularly to a kind of 10 kilovolts of pillar insulators to be dielectrically separated from limit Device.
Background technique
10KV livewire work using insulating glove working system tie up tear insulator binding open when, need araeosystyle insulator and cross-arm Equal components take insulation masking measure, and conventional method mainly uses the components such as insulated target araeosystyle insulator and cross-arm to insulate It covers, elapsed time needed for this method is long, large labor intensity, and there are personal safety hidden danger, easily damage insulated target causes economy Loss.So the method for how improving pillar insulator setting insulation masking, to raising livewire work quality important in inhibiting.
When the components such as existing use insulated target araeosystyle insulator and cross-arm carry out insulation masking, because insulated target is direct Pillar insulator package is pasted, special occasions will cause insulated target and be shorted insulator porcelain patticoat creepage distance, cause relatively The equipment safety hidden danger directly discharged.And due to characteristics of compact layout, air spacing between the components such as conducting wire, insulator, cross-arm It is small, in masking process there is operating personnel simultaneously touch different potentials equipment occur short circuit electric shock personal safety it is hidden Suffer from.Simultaneously because element structure shape reason often will appear, the measure of being dielectrically separated from is not in place, and imprecision, insulated target are covered in insulation Between lap be unable to satisfy situations such as requiring.
Summary of the invention
A kind of convenient the purpose of the present invention is to provide operation and safety 10 kilovolts of pillar insulators with limit insulation every From device.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of 10 kilovolts of pillar insulators are exhausted with limit Edge isolating device, wherein including masking case and limit plate, masking case include roof, bottom wall, left side wall, right side wall, front side wall and Rear wall, limit plate are movably arranged on the roof of masking case, are covered and are equipped with the of evacuation insulator on the roof and bottom wall of case One evacuation notch, limit plate is equipped with spacing bayonet, after masking case is installed in place by the first evacuation notch and insulator, operation Limit plate is so that insulator is blocked and covers the first evacuation notch by spacing bayonet.
Further, it slides and is arranged between the limit plate and the roof for covering case.
Further, the rear wall of the masking case is equipped with sliding slot, and the front end of limit plate is equipped with the sliding in insertion sliding slot Plate.
Further, limit surrounding edge, limit surrounding edge and top are equipped with above the roof of the masking case and at front side wall Limiting slot is formed between wall, the rear end insertion limiting slot of limit plate is interior to limit the up and down direction of limit plate.
Further, the limit plate is equipped with the catch bar convenient for pushing limit plate sliding, and catch bar is equipped with evacuation limit The limited step with the front end face cooperation of limit surrounding edge is formed on the second evacuation notch and catch bar of position surrounding edge.
Further, the catch bar is equipped with baffle, the front side wall of baffle and masking case close to second evacuation notch one end Fitting setting, limits when limited step and baffle fit are to slide limit plate.
Further, the masking case is that epoxy resin covers case, and limit plate is epoxy resin limit plate.
Further, the front side wall of the masking case is equipped with the handle for being easily installed insulating barrier.
Further, the handle includes the first in command and second handle, and the first in command and second handle interval are arranged.
Further, it is equipped with insulating cement flap at the front end of the first evacuation notch, limit plate insulate after being installed in place Rubber valve is to cover insulator.
After adopting the above technical scheme, the present invention has the advantage that
1, in the present invention, pass through one limit insulated isolated device of setting comprising masking case and limit plate, masking case are specific Including roof, bottom wall, left side wall, right side wall, front side wall and rear wall, and limit plate is movably arranged on the roof of masking case, and The first evacuation notch of evacuation insulator is equipped on the roof and bottom wall of masking case, limit plate is equipped with spacing bayonet, this Sample can insert the first evacuation notch against insulator, when carrying out insulation masking to insulator and cross-arm so that insulator In the first evacuation notch, to insulator and cross-arm be covered, then in operation limit plate so that spacing bayonet will insulate Subcard is lived, while limit plate, also by the first evacuation notch masking, so that insulator and cross-arm are shielded, such operator is making Cross-arm will not be touched when industry, to avoid Danger Electric shock risk, only the top of insulator is exposed, and the top of insulator is not got an electric shock Risk that is to say to realize well and insulator and cross-arm covered, insulated and be isolated, to guarantee the peace of operator Entirely, it and compared in such a way that insulated target wraps up, such mode is easily operated before, simply operates twice, both side Just operation, and operation is time saving and energy saving, greatly improves the operating efficiency of maintenance personnel;Meanwhile limit plate can well with insulation Son cooperation, will cover case limit fix, thus guarantee limit insulated isolated device insulation screening effect stability with can By property.
2, by sliding between limit plate and the roof of masking case being arranged to realize that limit plate is movably arranged at masking case On roof, the convenient operation to limit plate of such mode, and limit plate movement is reliable, stablizes, and will not deviate.
3, by the way that sliding slot is arranged in the rear wall of masking case, the front end of limit plate is equipped with the sliding panel in insertion sliding slot, i.e., Sliding panel and sliding slot cooperate to be arranged with the sliding for realizing limit plate, has both guaranteed the reliability and stabilization of limit plate sliding in this way Property, and structure is simple, facilitates processing.
4, it covers above the roof of case and is equipped with limit surrounding edge at close front side wall, limit and form limit between surrounding edge and roof The rear end insertion limiting slot of position slot, limit plate is interior to limit the up and down direction of limit plate, in this way can be by the upper and lower of limit plate To limit, so that limit plate will not teetertotter in level sliding, to guarantee stability and reliability when limit plate sliding, To guarantee to limit the insulation screening effect of insulated isolated device.
5, limit plate is equipped with the catch bar convenient for pushing limit plate sliding, and catch bar is equipped with the second of evacuation limit surrounding edge The limited step with the front end face cooperation of limit surrounding edge is formed on evacuation notch and catch bar, is here convenient for pushing away limit plate It is dynamic, to guarantee the stability of limit plate sliding.
6, catch bar is equipped with baffle close to second evacuation notch one end, and baffle is bonded setting with the front side wall of masking case, limits It is limited when position step and baffle fit are to slide limit plate, i.e., by the cooperation of limited step and baffle to limit The radial limit of plate, guarantees stability when limit plate sliding, to guarantee that limit plate can avoid notch masking for first well, To guarantee to limit the insulation screening effect of insulated isolated device.
7, masking case is that epoxy resin covers case, and limit plate is epoxy resin limit plate, such material not only insulation effect It is good and light, facilitate operator's operation, it is also time-saving and labor-saving, physical demands is saved, to promote operating efficiency.
8, the front side wall for covering case is equipped with the handle for being easily installed limit insulated isolated device so that it is convenient to will masking case dress On insulator, the operating efficiency of operator is improved.
9, handle is arranged to include the first in command and second handle, and the first in command and second handle interval are arranged, this Sample can both hands hold masking case, case will be covered and be installed on insulator, physical strength is both saved, also more convenient operation, and operate Stablize.
10, by the way that insulating cement flap is arranged at the front end of the first evacuation notch, limit plate insulate rubber after being installed in place Valve can guarantee the insulation screening effect for limiting insulated isolated device, preferably in this way to cover insulator to guarantee operator The safety of member.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the side view that case is covered in limit insulated isolated device of the present invention.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is the top view of limit plate in limit insulated isolated device of the present invention.
Fig. 4 is the cooperation schematic diagram that case and limit plate are covered in limit insulated isolated device of the present invention.
Fig. 5 is status diagram of the limit insulated isolated device of the present invention when covering.
Fig. 6 is status diagram when limit insulated isolated device of the present invention prepares masking.
Fig. 7 is status diagram when limit insulated isolated device masking of the present invention finishes.
Marked the names of the parts are as follows in figure:
100, insulated isolated device is limited;1, case is covered;11, roof;111, surrounding edge is limited;12, bottom wall;13, it first keeps away Allow notch;14, rear wall;141, sliding slot;15, front side wall;151, handle;1511, the first in command;1512, second handle;16, Left side wall;17, right side wall;2, limit plate;21, spacing bayonet;22, catch bar;221, baffle;23, sliding panel;3, insulator; 4, cross-arm.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.It is to be appreciated that following "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", the instructions side such as "bottom" The word of position or positional relationship is based only upon orientation or positional relationship shown in the drawings, retouches only for the purposes of the description present invention and simplification It states, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and operated in a specific orientation, Therefore it is not considered as limiting the invention.
As shown in Fig. 1 to 7, the present invention provides a kind of 10 kilovolts of pillar insulators limit insulated isolated device 100, In, including masking case 1 and limit plate 2, masking case 1 include roof 11, bottom wall 12, left side wall 16, right side wall 17,15 and of front side wall Rear wall 14, limit plate 2 are movably arranged on the roof 11 of masking case 1, are covered and are equipped with evacuation on the roof 11 and bottom wall 12 of case 1 First evacuation notch 13 of insulator 3, limit plate 2 are equipped with spacing bayonet 21, and masking case 1 is by the first evacuation notch 13 and absolutely After edge 3 is installed in place, operation limit plate 2 so that spacing bayonet 21 by insulator 3 block and by first evacuation notch 13 cover, In this way when carrying out insulation masking to insulator 3 and cross-arm 4, the first evacuation notch 13 can be injected against insulator 3 and cross-arm 4 It goes, so that insulator 3 and cross-arm 4 are located in the first evacuation notch 13, so that insulator 3 and cross-arm 4 be covered, is then operating Limit plate 2 is so that spacing bayonet 21 blocks insulator 3, while limit plate 2 also covers the first evacuation notch 13, so that insulation Son 3 and cross-arm 4 are shielded, and such operator will not touch cross-arm in operation, to avoid Danger Electric shock risk, only insulator Top expose, and the top of insulator is not got an electric shock risk, be that is to say to realize well and is hidden to insulator and cross-arm It covers, insulate and is isolated, to guarantee the safety of operator, and compared to before in such a way that insulated target wraps up, such mode It is easily operated, it simply operates twice, both convenient working, and operation is time saving and energy saving, greatly improves the work of maintenance personnel Industry efficiency;Meanwhile limit plate can well with insulator cooperate, will cover case limit fix, thus guarantee limit insulate every The stability and reliability of insulation screening effect from device;Certainly, limit insulated isolated device 100 covers insulator and cross-arm Process, can be with specific reference to shown in Fig. 5 to 7.
In the present embodiment, it is arranged being slided between limit plate 2 and the roof 11 of masking case 1, to realize that 2 activity of limit plate is set In on the roof 11 of masking case 1, the convenient operation to limit plate of such mode, and limit plate movement is reliable, stablizes, it will not be inclined It moves.
In order to guarantee the stability of limit plate sliding, sliding slot 141, limit plate 2 can be set in the rear wall 14 of masking case 1 Front end be equipped with the sliding panel 23 in insertion sliding slot 141, sliding slot 141 extends outwardly by 14 part of rear wall and flips up shape At, and sliding panel 23 is turned over downwards by the front end of limit plate 2 and is extended to form, i.e. sliding panel and sliding slot cooperates to realize limit The sliding of plate is arranged, and has both guaranteed the reliability and stability of limit plate sliding in this way, and structure is simple, facilitates processing.
It, can be above the roof 11 of masking case 1 and close to front side in order to preferably guarantee the stability of limit plate sliding Setting limit surrounding edge 111 at wall 15 limits surrounding edge 111 and roof 11 between the upper and lower every forming limiting slot between, after limit plate 2 To limit the up and down direction of limit plate 2 in end insertion limiting slot, the up and down direction of limit plate can be limited in this way, so that limit Plate will not teetertotter in level sliding, to guarantee stability and reliability when limit plate sliding, to guarantee that limit is exhausted The insulation screening effect of edge isolating device.
Limit plate and the further sliding stability for guaranteeing limit plate for ease of operation, can be on limit plate 2 Equipped with the catch bar 22 convenient for pushing limit plate 2 to slide, catch bar 22 is an individual components, and solid with limit plate 2 by pasting It is scheduled on together, catch bar 22 is equipped on the second evacuation notch of evacuation limit surrounding edge 111 and catch bar 22 and is formed and limit surrounding edge The limited step of 111 front end face cooperation, here convenient for being pushed to limit plate, to guarantee the stability of limit plate sliding; Meanwhile catch bar 22 is equipped with baffle 221 close to second evacuation notch one end, baffle 221 is bonded setting with the front side wall of masking case, It is limited when limited step and baffle fit are to slide limit plate, i.e., by the cooperation of limited step and baffle to limit The radial limit of position plate, guarantees stability when limit plate sliding, to guarantee that limit plate can well hide the first evacuation notch It covers, to guarantee the insulation screening effect of limit insulated isolated device.
It can be that epoxy resin covers case by masking case 1, limit plate 2 is ring in order to guarantee insulation effect and convenient for operation Oxygen resin limit plate, not only insulation effect is good and light for such material, facilitates operator's operation, also time-saving and labor-saving, saves body Power consumption, to promote operating efficiency.
Insulated isolated device is limited for the ease of installing, can be equipped in the front side wall 15 of masking case 1 and be easily installed limit The handle 151 of insulated isolated device so that it is convenient to which masking case is installed on insulator, imitate by the operation for improving operator Rate;Specifically, handle 15 is arranged to include the first in command 1511 and second handle 1512, and the first in command 1511 and second Hand 1512 interval setting, in this way can both hands hold masking case, case will be covered and be installed on insulator, both save physical strength, also more Add and facilitate operation, and stable operation.
It, can be before the first evacuation notch 13 in order to preferably guarantee to limit the insulation screening effect of insulated isolated device Insulating cement flap is set at end, and limit plate 2 is installed in place rear insulating cement flap to cover insulator, can preferably guarantee in this way The insulation screening effect of insulated isolated device is limited, to guarantee the safety of operator.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines The range of justice.

Claims (10)

1. a kind of 10 kilovolts of pillar insulators limit insulated isolated device, which is characterized in that including masking case and limit plate, hide Covering case includes roof, bottom wall, left side wall, right side wall, front side wall and rear wall, and limit plate is movably arranged on the roof of masking case, The first evacuation notch that evacuation insulator is equipped on the roof and bottom wall of case is covered, limit plate is equipped with spacing bayonet, masking Case is by the first evacuation notch and after insulator is installed in place, and operation limit plate is so that insulator is blocked and by the by spacing bayonet One evacuation notch masking.
2. 10 kilovolts of pillar insulators according to claim 1 limit insulated isolated device, which is characterized in that the limit It slides and is arranged between position plate and the roof for covering case.
3. 10 kilovolts of pillar insulators according to claim 2 limit insulated isolated device, which is characterized in that the screening The rear wall for covering case is equipped with sliding slot, and the front end of limit plate is equipped with the sliding panel in insertion sliding slot.
4. 10 kilovolts of pillar insulators according to claim 2 limit insulated isolated device, which is characterized in that the screening Limit surrounding edge is covered above the roof of case and be equipped at front side wall, limits and forms limiting slot, limit plate between surrounding edge and roof Rear end insertion limiting slot in by the up and down direction of limit plate limit.
5. 10 kilovolts of pillar insulators according to claim 4 limit insulated isolated device, which is characterized in that the limit Position plate is equipped with the catch bar convenient for pushing limit plate sliding, and catch bar is equipped with the second evacuation notch of evacuation limit surrounding edge and pushes away The limited step with the front end face cooperation of limit surrounding edge is formed in lever.
6. 10 kilovolts of pillar insulators according to claim 5 limit insulated isolated device, which is characterized in that described to push away Lever is equipped with baffle close to second evacuation notch one end, and baffle is bonded setting, limited step and baffle with the front side wall of masking case It is limited when cooperation is to slide limit plate.
7. 10 kilovolts of pillar insulators according to claim 1 limit insulated isolated device, which is characterized in that the screening Covering case is that epoxy resin covers case, and limit plate is epoxy resin limit plate.
8. 10 kilovolts of pillar insulators according to claim 1 limit insulated isolated device, which is characterized in that the screening The front side wall for covering case is equipped with the handle for being easily installed insulating barrier.
9. 10 kilovolts of pillar insulators according to claim 8 limit insulated isolated device, which is characterized in that described Hand includes the first in command and second handle, and the first in command and second handle interval are arranged.
10. 10 kilovolts of pillar insulators according to claim 1 limit insulated isolated device, which is characterized in that described It is equipped with insulating cement flap at the front end of first evacuation notch, shield is installed in place rear insulating cement flap to cover insulator.
CN201910162104.5A 2019-03-05 2019-03-05 A kind of 10 kilovolts of pillar insulators limit insulated isolated device Pending CN109904786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910162104.5A CN109904786A (en) 2019-03-05 2019-03-05 A kind of 10 kilovolts of pillar insulators limit insulated isolated device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910162104.5A CN109904786A (en) 2019-03-05 2019-03-05 A kind of 10 kilovolts of pillar insulators limit insulated isolated device

Publications (1)

Publication Number Publication Date
CN109904786A true CN109904786A (en) 2019-06-18

Family

ID=66946363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910162104.5A Pending CN109904786A (en) 2019-03-05 2019-03-05 A kind of 10 kilovolts of pillar insulators limit insulated isolated device

Country Status (1)

Country Link
CN (1) CN109904786A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290491A (en) * 2020-10-10 2021-01-29 广东电网有限责任公司清远供电局 Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101228551B1 (en) * 2012-08-06 2013-02-01 (합)미래전력 Multi function frame with insulator
CN103840395A (en) * 2013-12-13 2014-06-04 国家电网公司 Insulator shielding cover
CN203883369U (en) * 2014-05-23 2014-10-15 国家电网公司 Cross-arm insulator integrated shield cover for hot-line work
CN108963862A (en) * 2018-07-20 2018-12-07 国网江苏省电力有限公司常州供电分公司 A kind of slide opening and closing formula insulator mask
CN209805247U (en) * 2019-03-05 2019-12-17 国网浙江余姚市供电有限公司 Spacing insulating isolation device convenient to operate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101228551B1 (en) * 2012-08-06 2013-02-01 (합)미래전력 Multi function frame with insulator
CN103840395A (en) * 2013-12-13 2014-06-04 国家电网公司 Insulator shielding cover
CN203883369U (en) * 2014-05-23 2014-10-15 国家电网公司 Cross-arm insulator integrated shield cover for hot-line work
CN108963862A (en) * 2018-07-20 2018-12-07 国网江苏省电力有限公司常州供电分公司 A kind of slide opening and closing formula insulator mask
CN209805247U (en) * 2019-03-05 2019-12-17 国网浙江余姚市供电有限公司 Spacing insulating isolation device convenient to operate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
韩世军;: "10kV配电线路带电作业横担绝缘遮蔽罩设计", 宁夏电力, no. 03, 28 June 2017 (2017-06-28), pages 46 - 48 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290491A (en) * 2020-10-10 2021-01-29 广东电网有限责任公司清远供电局 Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement
CN112290491B (en) * 2020-10-10 2022-01-18 广东电网有限责任公司清远供电局 Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement

Similar Documents

Publication Publication Date Title
CN109904786A (en) A kind of 10 kilovolts of pillar insulators limit insulated isolated device
CN203883369U (en) Cross-arm insulator integrated shield cover for hot-line work
CN209805247U (en) Spacing insulating isolation device convenient to operate
CN203932760U (en) Isolating switch insulating barrier on a kind of post
CN204809705U (en) Dustproof and waterproof and high -efficient radiating switch board
CN107959260A (en) The combined and spliced formula masking device of 10kV hard
CN201266679Y (en) Screw terminal and installation apparatus
TW200607417A (en) Shield wire
CN209608216U (en) Arrester charged for replacement insulation barrier on a kind of safe switch cross-arm
CN209168913U (en) A kind of switching mode power supply transformer with function of shielding
CN207251043U (en) On-pole switch band electrical bonding specific purpose tool
CN203108406U (en) Plasma reactor used for air cleaner
CN202167407U (en) Solid-sealed polar pole used for vacuum circuit breaker
CN105790149A (en) Live-line work shielding tool
CN205753179U (en) A kind of insulating boot for surge arrester support
CN210575712U (en) Waterproof sealing device of outdoor vacuum circuit breaker pole
CN207374149U (en) Waterproof electric automobile charging pile
CN203838203U (en) Electric energy meter cover opening alarm structure
CN208690724U (en) New test terminal strip of protective cover
CN213341088U (en) Vacuum switch isolation baffle
CN203535175U (en) Point discharge test device for current-transformer secondary winding
CN204760865U (en) Environmental protection compact circuit breaker cabinet
CN205565500U (en) Interphase insulation lid
CN203420128U (en) Washing machine safe in use
CN107919593A (en) A kind of novel secondary equipment test joint Terminal short-circuit structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination