CN201336385Y - Bushing-type portable grounding wire - Google Patents
Bushing-type portable grounding wire Download PDFInfo
- Publication number
- CN201336385Y CN201336385Y CNU2008201237014U CN200820123701U CN201336385Y CN 201336385 Y CN201336385 Y CN 201336385Y CN U2008201237014 U CNU2008201237014 U CN U2008201237014U CN 200820123701 U CN200820123701 U CN 200820123701U CN 201336385 Y CN201336385 Y CN 201336385Y
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- earth connection
- portable earth
- inner sleeve
- electric equipment
- 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
- 239000004020 conductor Substances 0.000 claims description 18
- 230000004308 accommodation Effects 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 2
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 5
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a bushing-type portable grounding wire. The grounding wire comprises a first connecting part (1), a second connecting part (2) and a lead wire part (3). The first connecting part (1) is used for connecting electric equipment, the second connecting part (2) is used for connecting a ground potential point, the lead wire part (3) is connected between the first connecting part (1) and the second connecting part (2), the first connecting part (1) is bushing-shaped, a threaded hole (121) is arranged at the inner part of the first connecting part (1), and the threaded hole (121) is used for connecting a protruding bolt on the electric equipment. The bushing-type portable grounding wire has the advantages of easy installing and reliable connecting.
Description
Technical field
The utility model relates to a kind of portable earth connection.
Background technology
In electric power system, earth connection is the most safe and reliable protected mode, is the effective measures that guarantee staff's life security.In 110kV and the above electrical network, the use of ground wire is gradually improved, most ground connection dollies and earthing isolators of adopting.But in 10kV and 0.4kV electric power system, still there are many deficiencies in the use aspect of ground wire.
At present, in the interruption maintenance work that opens and closes station, switchgear house, case change etc., widely used is the portable earth connection of pincers type.
The portable earth connection of pincers type comprises clamp, conductor part and splicing ear.Wherein connect lead clamp is linked to each other with splicing ear, clamp links to each other with bolt on the electric equipment and splicing ear links to each other with ground wire.The ground connection that like this, promptly can guarantee electric equipment connects.But because the jaw bore is less, the afterbody broad is clipped on the screw firmly inadequately, tends to come off voluntarily.If be clipped on the hard bus; because the busbar phase spacing is less; width is not enough; can only clamp half bus from the side; security performance reduces greatly, as long as the staff has slight bumping, ground wire and electric equipment is broken away from; make the staff lose the ground wire protection, the accident of human electric shock is very easily taken place.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of portable earth connection of reliable thimble tube that is easy to install, connect.For solving the problems of the technologies described above, the utility model provides a kind of thimble tube portable earth connection, and it comprises: first connecting portion is used for being connected with electric equipment; Second connecting portion, be used for etc. ground potential points be connected; And conductor part, be connected between first connecting portion and second connecting portion, first connecting portion is a cannula-like, its inside have be used for electric equipment on outstanding bolted screwed hole.
Preferably, first connecting portion comprises: outer tube is connected with conductor part; And inner sleeve, being arranged in the outer tube, screwed hole is arranged on the inner sleeve.
Preferably, first connecting portion comprises one group of inner sleeve, and each inner sleeve has the screwed hole of different size respectively, have with electric equipment on an inner sleeve of the screwed hole that is complementary of outstanding bolt optionally be installed in the outer tube.
Preferably, an end of inner sleeve is provided with along the first laterally projecting cross bar portion.
Preferably, the side of outer tube is provided with horizontal boss, and laterally boss is provided with the fixture that is used for fixing conductor part.
Preferably, second connecting portion comprises: body, be connected with conductor part, and it has the accommodation section; And screw rod, being installed on the body, the one end extends in the accommodation section.
Preferably, that end that extends in the accommodation section of screw rod is provided with pressure certainly, and the opposite other end is provided with the second cross bar portion.
Preferably, the bottom side of the accommodation section of body has detent.
Preferably, conductor part comprises: a main line part, and an end is connected with second connecting portion, three branch line portions, one end is connected with the other end of main line part, and the other end connects corresponding one first connecting portion respectively, and each the first pontes with in the three-phase of electric equipment corresponding one is not connected.
Preferably, the portable earth connection of this thimble tube also comprises the insulation joystick, the tubular head that it has rod body part and is connected an end of rod body part, and the outboard end of tubular head has draw-in groove.
The utlity model has following beneficial effect:
Is connected with outstanding bolt on the electric equipment by cannula-like first connecting portion according to thimble tube earth connection of the present utility model, can makes things convenient for and realize ground wire connection, assurance equipment ground effectively.
This thimble tube earth connection comprises sleeve pipe, conductor part and splicing ear.Described conductor part links to each other sleeve pipe with splicing ear, described sleeve pipe replaces the clamp of former pincers type earth connection to link to each other with bolt on the electric equipment, described splicing ear with etc. ground potential points link to each other.The ground connection that can realize electric equipment so effectively connects.
Wherein, sleeve pipe comprises inner sleeve and outer tube.One side of outer tube is provided with horizontal boss, and fixture is set on it, can be connected to the connection lead.Inner sleeve is arranged in the outer tube, its inside be provided with can with the screwed hole of bolted.Inner sleeve can disassemble from outer tube.According to the difference of the bolt specification on the electric equipment, corresponding to different screwed hole internal diameters, inner sleeve can have different specifications.And the upper end of inner sleeve is provided with cross bar portion, can use the insulation joystick that sleeve pipe is fixed on the bolt of electric equipment in the cross bar portion.
Splicing ear has body and threaded shank.Described body is provided with and is connected the horizontal boss that lead links to each other, and is provided with the accommodation section, and wherein the bottom side of accommodation section has detent, is used to locate ground wire.Threaded shank can be rotated mobile up and down, and the one end extends to the described accommodation section and is provided with briquetting in this side, can be used for compressing ground wire, and its other end has cross bar, and rotatable this cross bar and move up and down threaded shank compresses ground wire or unclamps.
When the three-phase of electric equipment all needs ground connection, can use three sleeve pipes.At this moment, connect lead and have a main line part and three branch line portions, wherein an end of main line part links to each other with splicing ear, and the other end of main line part links to each other with three branch line portions, and the other end of three branch line portions then is connected to corresponding sleeve pipe respectively.At this moment, three sleeve pipes are connected to respectively on the three-phase of electric equipment, have promptly realized the three-phase ground connection of electric equipment.
In addition, the staff can utilize the insulation joystick that sleeve pipe is fixed on the electric equipment.This insulating bar joystick has rod body part and tubular head, and the outboard end of tubular head has draw-in groove, it can be stretched on the cross bar of inner sleeve into.Like this, only need to rotate this insulation joystick, sleeve pipe can be fixed on the bolt of electric equipment.
The ground connection of the electric equipment of realizing according to the utility model connects, easy for installation, and solid and reliable, can prevent that operations staff's hanging ground-wire mistiming from bumping charging equipment, electric shock accidents takes place, and can prevent from again to bump the possibility that makes ground wire disengaging electric equipment because of mistake when the staff from working at the scene.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 shows the connection layout according to the portable earth connection of thimble tube of an exemplary embodiment of the present utility model.
Fig. 2 shows the view according to the sleeve pipe of an exemplary embodiment of the present utility model.
Fig. 3 shows the view according to splicing ear of the present utility model.
Fig. 4 shows the view according to insulation joystick of the present utility model.
Embodiment
Fig. 1 shows the connection layout according to the portable earth connection of thimble tube of an exemplary embodiment of the present utility model.The three-phase thimble tube portable earth connection that be used for three-phase ground connection of the portable earth connection of thimble tube in the present embodiment in switchgear, using.The portable earth connection of this three-phase is divided into three parts, comprises sleeve pipe (first connecting portion) 1, connects lead (conductor part) 3 and splicing ear (second connecting portion) 2.Wherein, three sleeve pipes 1 are connected on the outstanding bolt of three-phase of electric equipment, and the connection lead 3 that is fixed on the sleeve pipe links with splicing ear 2, and splicing ear 2 links to each other with ground wire.Like this, electric current just can flow through ground wire by sleeve pipe 1, connection lead 3 and splicing ear 2, can guarantee the reliable ground of power failure equipments effectively.
Wherein, conductor part 3 comprises main line part 31 and three branch line portions 32.Wherein, an end of main line part 31 links to each other with splicing ear 2, and the other end links to each other with three branch line portions 32; One end of three branch line portions 32 links to each other with main line part, and an end separately links to each other respectively with three sleeve pipes 1.
Fig. 2 shows the view according to the sleeve pipe of an exemplary embodiment of the present utility model.This sleeve pipe 1 comprises outer tube 11 and inner sleeve 12.Wherein, outer tube 11 is connected with conductor part 3, and its side is provided with horizontal boss 111, and laterally boss 111 is provided with the fixture 112 that is used for fixing conductor part 3, and the inside of outer tube can be shape of threads, is used for linking to each other with inner sleeve 12.Inner sleeve 12 is arranged in the outer tube 11, its inside and outside shape of threads that all can be, its outside is and the corresponding identical specification in the inside of outer tube 11, its inside has the different screwed holes 121 with different size of specification according to the bolt on the electric equipment, therefore can select to have the inner sleeve 12 of the screwed hole 121 of corresponding specification, be substituted on the outer tube 11.In addition, an end of inner sleeve is provided with along laterally projecting cross bar portion 13, can use insulation joystick 4 to be fixed on the electric equipment.
Fig. 3 shows the view according to splicing ear of the present utility model.Splicing ear 2 comprises body 21 and screw rod 22.Wherein, body is connected with conductor part 3, and it has accommodation section 211, and the bottom side of accommodation section 211 has detent 212, is used to locate ground wire.Screw rod 22 is installed on the body 21, the one end extends in the accommodation section 211, and has briquetting 24 at this end, has cross bar 23 at the other end, can screw rod be moved up and down by rotating horizontal pole 23, when moving down, briquetting 24 also will be arranged in groove 212 thereupon moving down ground wire compresses, when moving up, line releasably.
Fig. 4 shows the view according to insulation joystick of the present utility model.Insulation joystick 4 has rod body part 41 and is connected one section tubular head 42 of rod body part 41, the outside of tubular head 42 has draw-in groove 421, cross bar on the inner sleeve 12 13 can not advanced in this draw-in groove 421, at this moment, rotate insulation joystick 4, inner sleeve 12 also rotates thereupon, thereby inner sleeve 12 can be connected on the bolt of electric equipment.
, and have on the electric equipment under the situation of outstanding bolt electric equipment ground connection at needs, all can use the utility model or corresponding construction of the present utility model or mapped structure and realize.
Though described the utility model, be to be understood that the utility model is not limited to the disclosed embodiments and accompanying drawing, but covered all modifications and the distortion that drops in the utility model spirit and scope in conjunction with present embodiment.
Claims (10)
1. portable earth connection of thimble tube, it comprises:
First connecting portion (1) is used for being connected with electric equipment;
Second connecting portion (2), be used for etc. ground potential points be connected; And
Conductor part (3) is connected between described first connecting portion (1) and described second connecting portion (2),
It is characterized in that described first connecting portion (1) is a cannula-like, its inside have be used for electric equipment on outstanding bolted screwed hole (121).
2. the portable earth connection of thimble tube according to claim 1 is characterized in that, described first connecting portion (1) comprising:
Outer tube (11) is connected with described conductor part (3); And
Inner sleeve (12) is arranged in the described outer tube (11), and described screwed hole (121) is arranged on the described inner sleeve (12).
3. the portable earth connection of thimble tube according to claim 2, it is characterized in that, described first connecting portion (1) comprises one group of described inner sleeve (12), each described inner sleeve (12) has the screwed hole (121) of different size respectively, have with described electric equipment on the described inner sleeve (12) of the screwed hole (121) that is complementary of outstanding bolt optionally be installed in the described outer tube (11).
4. the portable earth connection of thimble tube according to claim 2 is characterized in that, an end of described inner sleeve (12) is provided with along the first laterally projecting cross bar portion (13).
5. the portable earth connection of thimble tube according to claim 2 is characterized in that the side of described outer tube (11) is provided with horizontal boss (111), and described horizontal boss (111) is provided with the fixture (112) that is used for fixing described conductor part (3).
6. the portable earth connection of thimble tube according to claim 1 is characterized in that, described second connecting portion (2) comprising:
Body (21) is connected with described conductor part (3), and it has accommodation section (211); And
Screw rod (22) is installed on the described body (21), and the one end extends in the described accommodation section (211).
7. the portable earth connection of thimble tube according to claim 6 is characterized in that: a described end that extends in the described accommodation section (211) of described screw rod (22) is provided with briquetting (24), and the opposite other end is provided with the second cross bar portion (23).
8. the portable earth connection of thimble tube according to claim 6 is characterized in that: the bottom side of the described accommodation section (211) of described body (21) has detent (212).
9. the portable earth connection of thimble tube according to claim 1 is characterized in that, described conductor part (3) comprising:
A main line part (31), an end is connected with described second connecting portion (2),
Three branch line portions (32), an end is connected with the other end of described main line part (31), and the other end connects corresponding described first connecting portion (1) respectively, and each described first connecting portion (1) corresponding one is connected respectively with in the three-phase of described electric equipment.
10. according to the portable earth connection of each described thimble tube in the claim 1 to 9, it is characterized in that, also comprise:
Insulation joystick (4), the tubular head (42) that it has rod body part (41) and is connected an end of described rod body part (41), the outboard end of described tubular head (42) has draw-in groove (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201237014U CN201336385Y (en) | 2008-11-10 | 2008-11-10 | Bushing-type portable grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201237014U CN201336385Y (en) | 2008-11-10 | 2008-11-10 | Bushing-type portable grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201336385Y true CN201336385Y (en) | 2009-10-28 |
Family
ID=41288046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201237014U Expired - Lifetime CN201336385Y (en) | 2008-11-10 | 2008-11-10 | Bushing-type portable grounding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201336385Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119064A (en) * | 2015-10-10 | 2015-12-02 | 夏艳光 | Rapid and reliable grounding connection tool for elevator construction site |
-
2008
- 2008-11-10 CN CNU2008201237014U patent/CN201336385Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119064A (en) * | 2015-10-10 | 2015-12-02 | 夏艳光 | Rapid and reliable grounding connection tool for elevator construction site |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ELECTRIC POWER CORP. Effective date: 20130515 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: BEIJING ELECTRIC POWER CORP. Effective date: 20130515 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100031 XICHENG, BEIJING TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130515 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Beijing Electric Power Corp. Address before: 100031 Beijing Qianmen West Street, Xicheng District, No. 41 Patentee before: Beijing Electric Power Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091028 |
|
| CX01 | Expiry of patent term |