CN201607460U - Withstand voltage test grounding device for GIS equipment - Google Patents
Withstand voltage test grounding device for GIS equipment Download PDFInfo
- Publication number
- CN201607460U CN201607460U CN2009203161921U CN200920316192U CN201607460U CN 201607460 U CN201607460 U CN 201607460U CN 2009203161921 U CN2009203161921 U CN 2009203161921U CN 200920316192 U CN200920316192 U CN 200920316192U CN 201607460 U CN201607460 U CN 201607460U
- Authority
- CN
- China
- Prior art keywords
- push rod
- hole
- joint
- withstand voltage
- voltage test
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a withstand voltage grounding device which comprises a joint used for connecting the fracture grounding end of high-voltage switch equipment in a sealing manner. A through hole is axially arranged in the joint, a push rod is assembled in the through hole in sealing and sliding manners, a locking structure for locking the push rod is arranged between the push rod and the joint, a contact is arranged at the front end of the push rod, and a grounding rod is connected at the rear end of the push rod in a detachable manner. By adopting the above technical scheme, the grounding device is arranged at the grounding end of the high-voltage switch equipment; when the fracture withstand voltage test for the high-voltage switch equipment is carried out, a grounding wire needs to be connected on the grounding rod, and the grounding rod needs to be pushed into a shell body to be electrically connected with the fracture grounding end in the shell body, so as to carry out the withstand voltage test without withdrawing gas and disassembling equipment, thereby not only saving test time, but also saving a great amount of labor and materials and lowering the labor intensity of workers; moreover, as the gas withdrawing is not needed, the waste of SF6 gas is avoided and the testing cost is saved.
Description
Technical field
The utility model relates to a kind of earthing device that uses when being used for that the GIS high-tension switch gear carried out voltage-withstand test.
Background technology
More existing gas-insulated metal enclosed switchgear high-tension switch gears (GIS) adopt independent withstand voltage mode, and product adds high pressure at an end of fracture when fracture is carried out voltage-withstand test, and the other end must ground connection.The method that adopts is earlier with SF in the product at present
6Gas recovery, disassembled equipment inserts the fracture earth terminal with ground wire again.Because the equipment point of discharge may have many places, adopt this method to need repeated disassembled and assembled equipment sometimes, SF6 gas is producing waste in inflation and the recovery repeatedly, and disassembled equipment need use a large amount of human and material resources, not only take a lot of work, time-consuming, and easy disassembling repeatedly causes the integral insulation performance of equipment.
The utility model content
The purpose of this utility model is at above-mentioned defective, and a kind of GIS equipment withstand voltage test earthing device is provided, and this earthing device can carry out the fracture voltage-withstand test to high-tension switch gear easily under the situation of disassemblerassembler not.
The technical solution of the utility model is: a kind of GIS equipment withstand voltage test earthing device, the joint that comprises the high-tension switch gear fracture earth terminal cover plate that is used to be tightly connected, axially offer through hole in the joint, sealing is slided and is equipped with push rod in the through hole, be provided with the locking mechanism that to lock push rod between push rod and the joint, the front end of push rod is provided with contact, and the rear end releasable connection of push rod has ground rod.
Described locking mechanism comprises and is positioned at the through hole oral area is axially offered on the end face of joint rear end the diameter taper hole that reduces of forward end direction end gradually, be provided with Locking bushing between taper hole inwall and the push rod cylindrical, press on the lining and be provided with set nut, this set nut spinning is on the cylindrical of joint rear end.
Described Locking bushing is a tapered sleeve shape structure, offers breach and make Locking bushing be the loop configuration of not sealing in the axial direction on the jacket wall of Locking bushing.
Radially offer closure gasket groove at described joint through-hole wall, be provided with the O RunddichtringO that is used for sealing adaptor through-hole wall and push rod outer round surface in the closure gasket groove.
Described push rod front end axially offers a blind hole, described contact endwisely slips and is assemblied in this blind hole, between described push rod and contact, be coated with a locking pin, to should offering slotted hole by locking pin, spring arranged on the contact at jacking at the bottom of the blind hole hole and between the contact.
Be provided with the retaining convex edge of diameter greater than the joint through hole in the front end end of described push rod.
Offer the connecting thread that is used to connect the high-tension switch gear cover plate on the described joint fore end outer circumference face.
Described ground rod spinning is on joint.
Radially convex with the convex edge, location at the middle part of described joint outer round surface.
Also be covered with an end cap in the described joint outside, this end cap upper end is provided with the pilot hole that passes for ground rod, and the end cap bottom face is provided with the hermetically-sealed construction of the cover plate that is used to be tightly connected.
The utility model adopts technique scheme, its push rod with joint and upward installation thereof is installed on the earth terminal of high-tension switch gear, when carrying out high-tension switch gear fracture voltage-withstand test, as long as ground wire is connected on the ground rod, and ground rod pushed the contact that makes in the housing on the push rod together with push rod and be electrically connected with fracture earth terminal in the housing and can carry out voltage-withstand test, and need not to reclaim again gas, disassembled equipment, it not only saves the test duration, and save a large amount of manpowers, material resources, reduced working strength of workers, it need not reclaim gas more simultaneously, thereby has avoided SF
6Testing cost has been saved in the waste of gas.
Description of drawings
Fig. 1 is the scheme of installation of the utility model GIS equipment withstand voltage test earthing device;
Fig. 2 removes structural representation behind the end cap for the utility model;
Fig. 3 is the axial view of Locking bushing in the utility model.
Embodiment
As shown in Figure 1 and Figure 2, earth terminal at gas-insulated metal enclosed switchgear high-tension switch gear (GIS) is provided with a cover plate 1, offer a threaded hole on the cover plate 1, sealing is installed with a joint 2 in the threaded hole, the cylindrical middle part of joint 2 radially convexes with the circular orientation convex edge, the outside mask of joint 2 is provided with an end cap 10, end cap 10 sealing and fixing on cover plate 1, be positioned in the upper end of end cap joint axis to the center extended line offer the pilot hole that passes through for ground rod 6.Offer a through hole vertically at joint 2 centers, sealing is slided and is equipped with a push rod 5 in the through hole, and the through-hole wall of joint 2 radially offers closure gasket groove, is provided with the O RunddichtringO that is used for the sealing of push rod 5 cylindricals in the groove.Radially convex with the retaining convex edge of diameter greater than joint 2 through-hole diameters in the front end end of push rod 5, axially offer a blind hole on the front end end face of push rod 5, slidable fit has a contact 7 that is used to connect fracture in the blind hole, jacking has a spring 9 at the bottom of the hole of blind hole and between the contact 7, be equipped with a register pin 8 between blind hole hole wall and contact 7, corresponding register pin 8 offers slotted hole so that contact 7 can slide and can not deviate from blind hole on the contact 7 in blind hole.The oral area of through hole axially offers the taper hole that a diameter axially reduces gradually on the end face of joint 2 rear ends, be provided with the Locking bushing 4 of a taper between taper hole and the push rod, these Locking bushing 4 structures as shown in Figure 3, on the jacket wall of Locking bushing 4, leave a breach and form the loop configuration of not sealing, press on the Locking bushing 4 and be provided with a set nut 3, these set nut 3 spinnings are on joint 2, precession set nut 3 is locked push rod 5 by the effect between taper hole inwall and the Locking bushing 4 cylindrical tapered slope in the taper hole in Locking bushing 4 driver over adapters 2.Axially offer threaded connection hole on the end face of the rear end of push rod 5, thread connection has ground rod 6 therebetween.
When needs carry out voltage-withstand test, ground rod 6 is passed end cap pilot hole spinning on push rod 5, promoting the end formation that ground rod 6 drives the fracture in contact 7 that push rods 5 motions make push rod 5 front ends and the GIS equipment then is electrically connected, the spring 9 that is provided with on the contact 7 can guarantee to be electrically connected stable, reliable, after testing, ground rod 6 is pulled out, contact 7 is thrown off with fracture, the parts such as push rod 5 of joint 2 and upward installation thereof are stayed on the equipment cover plate 1, unloading ground rod 6 puts in addition, and the pilot hole of sealing on the end cap 10 prevent gas leakage, and GIS equipment can drop into normal use.
Owing to adopted withstand voltage earthing device of the present utility model, make and when GIS equipment is carried out the fracture voltage-withstand test, need not reclaim gas, disassembled equipment, it is very easy to use, and owing to be provided with the O RunddichtringO between push rod 5 and the joint through hole, simultaneously be provided with end cap in joint 2 outside mask, thereby the SF in the GIS equipment
6Gas can not produce leakage, makes when carrying out the withstand voltage test of GIS equipment very conveniently, has shortened test period, but has reduced experimentation cost, and Shi Yan result is more accurate simultaneously.
Claims (10)
1. GIS equipment withstand voltage test earthing device, it is characterized in that, the joint that comprises the high-tension switch gear fracture earth terminal cover plate that is used to be tightly connected, axially offer through hole in the joint, sealing is slided and is equipped with push rod in the through hole, be provided with the locking mechanism that can lock push rod between push rod and the joint, the front end of push rod is provided with contact, and the rear end releasable connection of push rod has ground rod.
2. GIS equipment withstand voltage test earthing device according to claim 1, it is characterized in that, described locking mechanism comprises and is positioned at the through hole oral area is axially offered on the end face of joint rear end the diameter taper hole that reduces of forward end direction end gradually, be provided with Locking bushing between taper hole inwall and the push rod cylindrical, press on the lining and be provided with set nut, this set nut spinning is on the cylindrical of joint rear end.
3. GIS equipment withstand voltage test earthing device according to claim 2 is characterized in that described Locking bushing is a tapered sleeve shape structure, offers breach and make Locking bushing be the loop configuration of not sealing in the axial direction on the jacket wall of Locking bushing.
4. GIS equipment withstand voltage test earthing device according to claim 1 is characterized in that, radially offers closure gasket groove at described joint through-hole wall, is provided with the O RunddichtringO that is used for sealing adaptor through-hole wall and push rod outer round surface in the closure gasket groove.
5. GIS equipment withstand voltage test earthing device according to claim 1, it is characterized in that, described push rod front end axially offers a blind hole, described contact endwisely slips and is assemblied in this blind hole, between described push rod and contact, be coated with a locking pin, to should offering slotted hole by locking pin, spring is arranged on the contact at jacking at the bottom of the blind hole hole and between the contact.
6. GIS equipment withstand voltage test earthing device according to claim 1 is characterized in that, is provided with the retaining convex edge of diameter greater than the joint through hole in the front end end of described push rod.
7. GIS equipment withstand voltage test earthing device according to claim 1 is characterized in that, offers the connecting thread that is used to connect the high-tension switch gear cover plate on the described joint fore end outer circumference face.
8. GIS equipment withstand voltage test earthing device according to claim 1 is characterized in that described ground rod spinning is on joint.
9. GIS equipment withstand voltage test earthing device according to claim 1 is characterized in that, radially convexes with the convex edge, location at the middle part of described joint outer round surface.
10. according to any described GIS equipment withstand voltage test earthing device of claim 1 ~ 9, it is characterized in that, also be covered with an end cap in the described joint outside, this end cap upper end is provided with the pilot hole that passes for ground rod, and the end cap bottom face is provided with the hermetically-sealed construction of the cover plate that is used to be tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203161921U CN201607460U (en) | 2009-11-30 | 2009-11-30 | Withstand voltage test grounding device for GIS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203161921U CN201607460U (en) | 2009-11-30 | 2009-11-30 | Withstand voltage test grounding device for GIS equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201607460U true CN201607460U (en) | 2010-10-13 |
Family
ID=42952165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203161921U Expired - Lifetime CN201607460U (en) | 2009-11-30 | 2009-11-30 | Withstand voltage test grounding device for GIS equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201607460U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887071A (en) * | 2010-07-09 | 2010-11-17 | 河南平高电气股份有限公司 | Measurement terminal and isolating switch |
| CN102779702A (en) * | 2012-07-30 | 2012-11-14 | 上海天灵开关厂有限公司 | Gas insulation type plug with temperature protection function |
| CN105318915A (en) * | 2015-12-07 | 2016-02-10 | 海卓赛思（苏州）传感技术有限公司 | Moisture, hydrogen content and temperature transmitter applicable to online monitoring of state of transformer |
| CN105445425A (en) * | 2015-11-27 | 2016-03-30 | 中国电子科技集团公司第四十八研究所 | Mono-hydrogen sensor of oil-immersed transformer |
| CN106298346A (en) * | 2016-09-14 | 2017-01-04 | 河南平高电气股份有限公司 | Switch power transmission shaft, switch transmission shaft component and tri-station isolating switch |
| CN106410657A (en) * | 2016-06-28 | 2017-02-15 | 湖南长高电气有限公司 | Insulated test tooling for cable outgoing line of gas insulated metal-enclosed switchgear |
| CN109638505A (en) * | 2018-12-28 | 2019-04-16 | 黄江涛 | Wire and cable pressure test special joint |
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | Inflatable switch cabinet |
-
2009
- 2009-11-30 CN CN2009203161921U patent/CN201607460U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887071A (en) * | 2010-07-09 | 2010-11-17 | 河南平高电气股份有限公司 | Measurement terminal and isolating switch |
| CN101887071B (en) * | 2010-07-09 | 2015-05-13 | 河南平高电气股份有限公司 | Measurement terminal and isolating switch |
| CN102779702A (en) * | 2012-07-30 | 2012-11-14 | 上海天灵开关厂有限公司 | Gas insulation type plug with temperature protection function |
| CN102779702B (en) * | 2012-07-30 | 2015-02-11 | 上海天灵开关厂有限公司 | Gas insulation type plug with temperature protection function |
| CN105445425A (en) * | 2015-11-27 | 2016-03-30 | 中国电子科技集团公司第四十八研究所 | Mono-hydrogen sensor of oil-immersed transformer |
| CN105318915A (en) * | 2015-12-07 | 2016-02-10 | 海卓赛思（苏州）传感技术有限公司 | Moisture, hydrogen content and temperature transmitter applicable to online monitoring of state of transformer |
| CN105318915B (en) * | 2015-12-07 | 2018-01-19 | 苏州正秦电气有限公司 | A kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring |
| CN106410657A (en) * | 2016-06-28 | 2017-02-15 | 湖南长高电气有限公司 | Insulated test tooling for cable outgoing line of gas insulated metal-enclosed switchgear |
| CN106298346A (en) * | 2016-09-14 | 2017-01-04 | 河南平高电气股份有限公司 | Switch power transmission shaft, switch transmission shaft component and tri-station isolating switch |
| CN109638505A (en) * | 2018-12-28 | 2019-04-16 | 黄江涛 | Wire and cable pressure test special joint |
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | Inflatable switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201607460U (en) | Withstand voltage test grounding device for GIS equipment | |
| CN103456473A (en) | Integral type oil-paper high-voltage bushing | |
| CN201450297U (en) | GIB for GIS | |
| CN203503442U (en) | Integral-type oil-impregnated paper high-voltage bushing | |
| CN103245804B (en) | Assembly type inflatable high-voltage equalizing ring | |
| CN105244639A (en) | Grounding device | |
| CN106351247B (en) | The anchor cage ring formula basis of replaceable anchor bolt | |
| CN106936094A (en) | A kind of pluggable cable head dismantling device | |
| CN106992091B (en) | The connection structure of pole and insulated pull rod | |
| CN106368235B (en) | The prestressed cylinder-shaped basis of replaceable anchor bolt | |
| CN108693311A (en) | A kind of GIS combined electrics equipment SF6The prismatic joint clamping device of gas test | |
| CN204525327U (en) | A kind of for pressing the provision for disengagement of electrical penetration sealing ring in nuclear power station | |
| CN216624594U (en) | Conveniently dismantle earth connection link | |
| CN203150192U (en) | Water-cooling cable convenient to overhaul | |
| CN206128110U (en) | Anchor cage ring type basis of removable crab -bolt | |
| CN201191754Y (en) | Joint elastomer expanding apparatus for intermediate connecting joint of electric cable | |
| CN204809476U (en) | Explosion -proof quick cable connector | |
| CN211292445U (en) | SF6 density micro-water online monitoring device used in GIS air chamber | |
| CN202616651U (en) | Bus connecting device used for connection between GIS and voltage transformer or lightning arrester | |
| CN206976276U (en) | A kind of fast assembling-disassembling fuse being used in transmission line of electricity | |
| CN103219072B (en) | A kind of water-cooled cable of easy access | |
| CN107170537B (en) | Insulating cap, insulating cylinder, insulating structure using insulating cap and switching bus assembly | |
| CN201061118Y (en) | Intermediate joint of cable | |
| CN107086440B (en) | Switching bus assembly, insulation structure, insulation plug and insulation cylinder thereof | |
| CN101169463B (en) | Insulated test device for cable connector base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |
|
| CX01 | Expiry of patent term |