CN106786105B - A kind of switch cabinet bus static contact earthing or grounding means - Google Patents
A kind of switch cabinet bus static contact earthing or grounding means Download PDFInfo
- Publication number
- CN106786105B CN106786105B CN201710029158.5A CN201710029158A CN106786105B CN 106786105 B CN106786105 B CN 106786105B CN 201710029158 A CN201710029158 A CN 201710029158A CN 106786105 B CN106786105 B CN 106786105B
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- China
- Prior art keywords
- grounding
- static contact
- switch cabinet
- rotary joint
- inner cylinder
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- 230000003068 static effect Effects 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/28—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Elimination Of Static Electricity (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of switch cabinet bus static contact earthing or grounding means, including connector, insulation bar device and grounding wire device, connector has inner barrel and outer barrel, it is connected with card column on the outer surface of inner cylinder, it connects and is also connected with ground stud on the bottom wall of inner barrel and outer barrel, bottom wall forms the insertion hole for being inserted into static contact in the bottom of inner cylinder；The bar device that insulate includes insulating bar and the rotary joint affixed with insulating bar, and the L-type slot that cooperation card column uses is offered on rotary joint；Grounding wire device includes grounding head and ground wire, and grounding head is detachably connected with ground stud.Compared to traditional jaw type ground wire, earth handcart, switch cabinet bus static contact earthing or grounding means is easy to operate for this, is easily installed, and energy effective grounding, avoids caused unexpected generation in ground connection operating process.
Description
Technical field
The present invention relates to electric power grounding device fields, and in particular to a kind of switch cabinet bus static contact earthing or grounding means.
Background technology
In the regular job of electric system, busbar turns maintenance and happens occasionally, busbar grounding use in switchgear at present
There are mainly two types of earthing or grounding means：One is dedicated busbar grounding handcart, second is with traditional jaw type ground connection.
But all there is certain deficiency in both earthing or grounding means：Dedicated busbar grounding handcart build is huge, weight compared with
Weight, it is inconvenient, and it must be pushed into voltage transformer storehouse and could be grounded, it not only hinders one's work but also earth point unobvious.
And traditional jaw type ground wire is when in use, it is necessary to (bus static contact is cylindric, can not be clamped) is directly sandwiched on busbar,
It is grounded and is switched on switchgear rear cabinet door, this will cause prodigious risk, cause to be strayed into interval, electric shock equivalent risk, and disassemble
Switch cabinet body heavy workload, operations staff can not complete independentlies, it is also possible to and cause toy to take advantage of the occasion access switch cabinet cabinet,
Lead to serious accident.
In view of the above-mentioned problems, the present invention provides a kind of new thinking, for bus bar side static contact, reasonable design scheme, solution
The problem of certainly traditional earthing or grounding means is brought.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of switch cabinet bus static contact earthing or grounding means.
The purpose of the present invention is realized using following technical scheme：
A kind of switch cabinet bus static contact earthing or grounding means, including connector, insulation bar device and grounding wire device, connector
With inner barrel and outer barrel, it is connected with card column on the outer surface of inner cylinder, connects and is also connected with ground stud on the bottom wall of inner barrel and outer barrel,
Bottom wall has the insertion hole for being inserted into static contact in the bottom of inner cylinder；The bar device that insulate includes insulating bar and affixed with insulating bar
Rotary joint, the L-type slot that cooperation card column uses is offered on rotary joint；Grounding wire device includes grounding head and ground wire, ground connection
Head is detachably connected with ground stud.
Preferably, concentric outer barrel and inner cylinder are an integral molding structure, and are both made of aluminium alloy；The rotary joint and
Grounding head is made of metal material.
Preferably, 2 straight troughs being oppositely arranged are offered on the inner cylinder, the straight trough is perpendicular to bottom wall.
Preferably, the card column has 2, and is parallel to bottom wall setting；The L-type slot has 2, is arranged symmetrically in rotary joint
Wall body on.
Preferably, the ground stud is located at the lower section of inner cylinder, offers 2 threaded holes for installation bolt thereon；Institute
The threaded hole that 2 are equally offered on grounding head for installation bolt is stated, it is detachable by bolt between grounding head and ground stud
Connection.
Preferably, the rotary joint is the hollow cylinder with L-type slot, solid by bolt between insulating bar and rotary joint
It connects.
Preferably, the outer barrel is contacted with the pillar sheath of static contact, and the surface of outer barrel is laid with one layer of rubber layer.
Preferably, the inner cylinder is gradual shrinkage cylinder, and sectional area is gradually reduced outward by bottom wall.
Preferably, the grounding head and ground wire are affixed, and the ground wire is multiply annealed copper wire, end ground connection.
Beneficial effects of the present invention are：It is easy to operate, be easy to pacify compared to traditional jaw type ground wire, earth handcart
Dress avoids caused meaning in ground connection operating process without opening voltage transformer storehouse and switchgear rear cabinet door, and energy effective grounding
Outer generation.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of connector；
Fig. 2 is the bottom views structure chart of connector；
Fig. 3 is the structural schematic diagram of insulation bar device；
Fig. 4 is the structure enlargement diagram of rotary joint at the top of insulating bar；
Fig. 5 is the structural schematic diagram of grounding wire device；
Fig. 6 is the cross section view after the earthing or grounding means installs.
Reference numeral：Inner cylinder -1；Outer barrel -2；Card column -3；Bottom wall -4；Ground stud -5；Static contact -6；It is inserted into hole -7；Insulation
Stick -8；Rotary joint -9；L-type slot -10；Grounding head -11；Ground wire -12；Straight trough -13；Threaded hole -14；Pillar sheath -15.
Specific implementation mode
The invention will be further described with the following Examples.
A kind of switch cabinet bus static contact earthing or grounding means as shown in figures 1 to 6, including connector, insulation bar device and ground connection
Line apparatus.Connector has inner cylinder 1 and outer barrel 2, and card column 3 is connected on the outer surface of inner cylinder 1, connects the bottom of inner cylinder 1 and outer barrel 2
Ground stud 5 is also connected on wall 4, bottom wall 4 has the insertion hole 7 for being inserted into static contact 6 in the bottom of inner cylinder 1.Insulating bar fills
It sets including insulating bar 8 and the rotary joint 9 affixed with insulating bar 8, the L-type slot 10 that cooperation card column 3 uses is offered on rotary joint 9.
Grounding wire device includes grounding head 11 and ground wire 12, and grounding head 11 is detachably connected with ground stud 5.
Concentric outer barrel 2 and inner cylinder 1 is an integral molding structure, and is both made of aluminium alloy.Rotary joint 9 and grounding head 11
It is made of metal material.
Scheme as a further preference offers 2 straight troughs being oppositely arranged 13 on inner cylinder 1 so that it can be provided
Stress wraps static contact 6.Straight trough 13 is perpendicular to bottom wall 4.
Scheme as a further preference, card column 3 have 2, and are parallel to the setting of bottom wall 4；L-type slot 10 has 2, symmetrical cloth
It sets on the wall body of rotary joint 9.
Scheme as a further preference, ground stud 5 are located at the lower section of inner cylinder 1, offer 2 thereon for installation bolt
Threaded hole 14；Equally offer 2 threaded holes 14 for installation bolt on grounding head 11, grounding head 11 and ground stud 5 it
Between be detachably connected by bolt.
Scheme as a further preference, rotary joint 9 are the hollow cylinder with L-type slot 10, insulating bar 8 and rotary joint 9
Between it is affixed by bolt.
Scheme as a further preference, outer barrel 2 and the pillar sheath 15 of static contact 6 (enclose opening around static contact 6
Port sleeve) contact, and the surface of outer barrel 2 is laid with one layer of rubber layer, prevents damage pillar sheath 15.
Scheme as a further preference, referring to Fig. 6, inner cylinder 1 is gradual shrinkage cylinder, sectional area by bottom wall 4 outward by
It is tapered small, so that inner cylinder 1 can preferably wrap up static contact.
Scheme as a further preference, grounding head 11 and ground wire 12 are affixed, and ground wire 12 is multiply annealed copper wire, end
End ground connection.
It is first that ground stud 5 and grounding head 11 is affixed with bolt when this switch cabinet bus static contact earthing or grounding means is grounded,
Operating personnel hold one end of insulating bar 8 later, and the opening alignment card column 3 of the L-type slot 10 of rotary joint 9 is inserted into, is then rotated
Insulating bar 8 is so that card column 3 is sticked in L-type slot 10, and then the insertion hole 7 of connector is directed at static contact 6 and inserted by control insulating bar 8
Enter, wraps static contact 6, the last rotating insulated stick 8 of negative direction using the Al-alloy metal stress of inner cylinder 1, and rotary joint 9 is drawn
Go out, ground connection is completed.When busbar overhaul finishes, and needs to remove ground connection, operation order is with aforesaid operations on the contrary, first with L-type slot
10 and card column 3 cooperation pull out rotary joint 9, then remove ground stud 5 with the bolt of grounding head 11 connects.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of switch cabinet bus static contact earthing or grounding means, characterized in that including connector, insulation bar device and grounding wire mounting
It sets, connector has inner barrel and outer barrel, is connected with card column on the outer surface of inner cylinder, connects also affixed on the bottom wall of inner barrel and outer barrel
There are ground stud, bottom wall that there is the insertion hole for being inserted into static contact in the bottom of inner cylinder；Insulation bar device include insulating bar and with
Insulating bar affixed rotary joint offers the L-type slot that cooperation card column uses on rotary joint；Grounding wire device includes grounding head and connects
Ground wire, grounding head are detachably connected with ground stud；Concentric outer barrel and inner cylinder is an integral molding structure, both by aluminium alloy system
At；The rotary joint and grounding head are made of metal material；The outer barrel is contacted with the pillar sheath of static contact, and outer barrel
Surface is laid with one layer of rubber layer；The inner cylinder is gradual shrinkage cylinder, and sectional area is gradually reduced outward by bottom wall.
2. a kind of switch cabinet bus static contact earthing or grounding means according to claim 1, characterized in that opened up on the inner cylinder
There are 2 straight troughs being oppositely arranged, the straight trough is perpendicular to bottom wall.
3. a kind of switch cabinet bus static contact earthing or grounding means according to claim 1, characterized in that the card column has 2,
And it is parallel to bottom wall setting；The L-type slot has 2, is arranged symmetrically on the wall body of rotary joint.
4. a kind of switch cabinet bus static contact earthing or grounding means according to claim 2, characterized in that the ground stud is located at
The lower section of inner cylinder offers 2 threaded holes for installation bolt thereon；2 are equally offered on the grounding head for pacifying
The threaded hole for filling bolt, is detachably connected between grounding head and ground stud by bolt.
5. a kind of switch cabinet bus static contact earthing or grounding means according to claim 1, characterized in that the rotary joint is tool
There is the hollow cylinder of L-type slot, it is affixed by bolt between insulating bar and rotary joint.
6. a kind of switch cabinet bus static contact earthing or grounding means according to claim 1, characterized in that the grounding head and connect
Ground wire is affixed, and the ground wire is multiply annealed copper wire, end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029158.5A CN106786105B (en) | 2017-01-16 | 2017-01-16 | A kind of switch cabinet bus static contact earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029158.5A CN106786105B (en) | 2017-01-16 | 2017-01-16 | A kind of switch cabinet bus static contact earthing or grounding means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786105A CN106786105A (en) | 2017-05-31 |
| CN106786105B true CN106786105B (en) | 2018-11-06 |
Family
ID=58946725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710029158.5A Active CN106786105B (en) | 2017-01-16 | 2017-01-16 | A kind of switch cabinet bus static contact earthing or grounding means |
Country Status (1)
| Country | Link |
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| CN (1) | CN106786105B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991503A (en) * | 2021-12-07 | 2022-01-28 | 海南电网有限责任公司三亚供电局 | Quick earthing device of cubical switchboard generating line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944094A (en) * | 2014-05-14 | 2014-07-23 | 国家电网公司 | 10-kV handcart switch cabinet bus fixed contact ground method and special grounding device thereof |
| CN203859420U (en) * | 2014-05-05 | 2014-10-01 | 国家电网公司 | Busbar grounding wire used for 10-35kV centrally-arranged type switch cabinet |
| CN204391507U (en) * | 2014-11-11 | 2015-06-10 | 国家电网公司 | A kind of earth connection of 10 kilovolts of enclosed switchgear bus bar side |
| CN105305331A (en) * | 2015-11-23 | 2016-02-03 | 国网宁夏电力公司吴忠供电公司 | Grounding device for T-shaped cable head |
| CN205693081U (en) * | 2016-06-15 | 2016-11-16 | 国网天津市电力公司 | Mume flower contact formula grounding device |
| CN206432612U (en) * | 2017-01-16 | 2017-08-22 | 国网安徽省电力公司宣城供电公司 | A kind of switch cabinet bus static contact earthing or grounding means |
-
2017
- 2017-01-16 CN CN201710029158.5A patent/CN106786105B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203859420U (en) * | 2014-05-05 | 2014-10-01 | 国家电网公司 | Busbar grounding wire used for 10-35kV centrally-arranged type switch cabinet |
| CN103944094A (en) * | 2014-05-14 | 2014-07-23 | 国家电网公司 | 10-kV handcart switch cabinet bus fixed contact ground method and special grounding device thereof |
| CN204391507U (en) * | 2014-11-11 | 2015-06-10 | 国家电网公司 | A kind of earth connection of 10 kilovolts of enclosed switchgear bus bar side |
| CN105305331A (en) * | 2015-11-23 | 2016-02-03 | 国网宁夏电力公司吴忠供电公司 | Grounding device for T-shaped cable head |
| CN205693081U (en) * | 2016-06-15 | 2016-11-16 | 国网天津市电力公司 | Mume flower contact formula grounding device |
| CN206432612U (en) * | 2017-01-16 | 2017-08-22 | 国网安徽省电力公司宣城供电公司 | A kind of switch cabinet bus static contact earthing or grounding means |
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| Publication number | Publication date |
|---|---|
| CN106786105A (en) | 2017-05-31 |
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