CN203553591U - A low voltage operation specially used ground wire apparatus - Google Patents
A low voltage operation specially used ground wire apparatus Download PDFInfo
- Publication number
- CN203553591U CN203553591U CN201320641751.2U CN201320641751U CN203553591U CN 203553591 U CN203553591 U CN 203553591U CN 201320641751 U CN201320641751 U CN 201320641751U CN 203553591 U CN203553591 U CN 203553591U
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- Prior art keywords
- grounding
- insulating bar
- screw cap
- low pressure
- cap type
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- 239000004020 conductor Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000009422 external insulation Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 244000309464 bull Species 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
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Abstract
The utility model discloses a low voltage operation specially used ground wire apparatus comprises a short circuit ground wire, a ground wire clamp, ground wire copper terminals, a specially used insulation operation rod and a screw nut type grounding pole. Specially used screw nut type grounding poles of different specifications can be adopted to connect the low voltage operation specially used ground wire apparatus of the utility model with busbars or conductor screw bolts in a fastening type mode; the connection is firm; contacting cross sections are uniform; effective cross sections are maximum; and the reliability is high.
Description
Technical field
The utility model relates to a kind of low pressure operation Work tool, particularly a kind of low pressure operation Special grounding line apparatus.
Background technology
At present, temporary grounding and the short circuit of most 400V ammeter boxes, switch-box, comprehensive distribution box, step down side electric equipment conductor adopt conventional portable earth connection, the Portable short-circuit grounding wire of current domestic most manufacturers design exploitations, the connection of conductor end generally adopts pressure type wire clamp to carry out clamping.Therefore the earth connection based on this structural design, be subject to the structure influence of bonding conductor larger, particularly low voltage electrical equipment, exists that conductor is little, bus interphase structure compactness, installing space be narrow and small, easily causes that to connect contact-making surface inhomogeneous, effective cross-section deficiency, the problem such as easily come off, so once equipment is sent a telegram here suddenly, possibly cannot effectively realize power ground and short circuit object, can not guarantee the personal security of working on equipment, cause personal injury.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provides one to be connected firmly, applied widely, safe low pressure operation Special grounding line apparatus.
A kind of low pressure operation Special grounding line apparatus, is characterized in that; Include short-circuit grounding wire, earthing clamp, earth connection copper tip, special isolation hook stick, screw cap type earthing rod:
Described screw cap type earthing rod includes joint pin and grounding head, it is outer polygonal sleeve that described joint pin includes outer peripheral face, at barrel bore, be provided with internal thread, the internal thread of that one end that barrel bore is connected with bus bar or wire bolt matches with the bolt on bus bar or conductor, the other end of barrel bore is connected with grounding head, described grounding head is a kind of multidiameter, the outer peripheral face of the large end of multidiameter is outer polygonal, at multidiameter small end, be provided with the external screw thread matching with barrel bore screw thread, at the step place of multidiameter, be provided with nut;
Described special isolation hook stick includes mutual sheathing inside and outside insulating bar together, the leading section of insulating bar is provided with the polygonal sleeve of imperial palace outside, described interior insulating bar does stretching motion and is longer than external insulation action bars in insulating bar outside, at the leading section of interior insulating bar, be provided with little interior polygonal sleeve, little interior polygonal sleeve can pass the polygonal sleeve of imperial palace, on interior insulating bar, be provided with the location notch of one or more, on insulating bar, relevant position is provided with alignment pin outside, this alignment pin can extend into the location notch of interior insulating bar, nut on the polygonal sleeve of described imperial palace and screw cap type earthing rod grounding head is used in combination, the outer polygonal of little interior polygonal sleeve and the large end of screw cap type earthing rod grounding head matches,
One end of described short-circuit grounding wire is connected with earthing clamp, and the other end of described short-circuit grounding wire separates and is provided with multiple links, is provided with earth connection copper tip on link.
Low pressure operation Special grounding line apparatus of the present utility model, in use, first utilize screw cap type earthing rod, each earth connection copper tip of that one end of short-circuit grounding wire bull bifurcated is inserted in to the small end of the grounding head of screw cap type earthing rod, then joint pin and grounding head are connected to form to conductor end, and temporarily can not lock between joint pin and grounding head, that one end then short-circuit grounding wire to earthing clamp is connected on equipment ground body, identify after the true no-voltage of low-voltage equipment, hand-held special isolation hook stick immediately, the large end of multidiameter that uses the little interior polygonal jacket casing of special isolation hook stick to be sleeved on screw cap type earthing rod, screw cap type earthing rod is fastened on the wherein bus of a phase or the bolt of conductor of low-voltage equipment, then toward the interior insulating bar of post-tensioning, make little interior polygonal sleeve retrude, expose the polygonal sleeve of imperial palace, then use the polygonal jacket casing of imperial palace of special isolation hook stick to be located on the nut of screw cap type earthing rod, screw nut, the joint pin of screw cap type earthing rod and grounding head are screwed, thereby be grounded the installation of line.
The side of the joint pin of described screw cap type earthing rod is provided with holding screw.
After the joint pin of screw cap type earthing rod and grounding head locking put in place, then screw the screw of side, can improve both fitnesss.
Outer peripheral face at the external insulation action bars of special isolation hook stick is provided with insulating case.
Periphery at the outer action bars of special isolation hook stick arranges insulating case, can improve the handling of insulating bar on the one hand, also can improve on the other hand the insulating properties of insulated operating rod.
Exposed junction at the interior insulating bar of special isolation hook stick is provided with insulating case.
Described earthing clamp is a kind of spiral compression formula line scan pickup coil side wire clamp.
Described screw cap type earthing rod has the Multiple Type of different size, and corresponding special isolation hook stick also has the Multiple Type of multiple different size.
Periphery at the short-circuit grounding wire of the close bull crotch of short-circuit grounding wire is arranged with insulating case.
Insulating case is set on short-circuit grounding wire, can further improve the insulating properties at this place, to avoid because of need to often holding the damage operating and cause herein.
In sum, the utility model following advantage compared to existing technology:
Low pressure operation Special grounding line apparatus of the present utility model, 1, can adopt the dedicated nut formula earthing rod of different size, adopt fastening-type connected mode with bus bar or the conductor bolt of low voltage electrical equipment, be connected firmly, contacting section is even, effective cross-section maximum, and reliability is high.
2, dedicated nut formula earthing rod can be used in conjunction with according to the conductor bolt specification of low voltage electrical equipment, applied widely.
3, installation process adopts dedicated operations rod, coordinates special isolation operating sleeve, is difficult for touching the conductor of electric equipment, safe.
Low pressure operation Special grounding line apparatus in use, is connected firmly, and contact is good, even sent a telegram here suddenly by the equipment external cable of short circuit, also can carry out ground connection and short circuit, guarantees the personal security of installation on this ammeter box conductor.This product has embodied grounding technology progress, has good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of special isolation hook stick of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural representation of the joint pin of screw cap type earthing rod.
Fig. 4 is the structural representation of the grounding head of screw cap type earthing rod.
Fig. 5 is the assembling schematic diagram of low pressure operation Special grounding line apparatus.
Fig. 6 is another angle schematic diagram of low pressure operation Special grounding line apparatus.
Large end 522 multidiameter small end 523 nuts of label declaration 1 short-circuit grounding wire 2 earthing clamp 3 earth connection copper tip interior insulating bar little interior polygonal sleeve polygonal sleeve 45 alignment pin 46 insulating case 5 screw cap type earthing rod 51 joint pin 511 sleeve 52 grounding head 521 multidiameter of 44 imperial palace of 42 external insulation action bars 43 of 4 insulated operating rod 41.
Embodiment
Below in conjunction with embodiment, the utility model is described in more detail.
Embodiment 1
A kind of low pressure operation Special grounding line apparatus, includes short-circuit grounding wire 1, earthing clamp 2, earth connection copper tip 3, special isolation hook stick 4, screw cap type earthing rod 5:
Described screw cap type earthing rod includes joint pin 51 and grounding head 52, described joint pin includes the sleeve 511 that outer peripheral face is outer-hexagonal, at barrel bore, be provided with internal thread, the internal thread of that one end that barrel bore is connected with bus bar or wire bolt matches with the bolt on bus bar or conductor, the other end of barrel bore is connected with grounding head, described grounding head is a kind of multidiameter, the outer peripheral face of the large end 521 of multidiameter is outer-hexagonal shape, at multidiameter small end 522, be provided with the external screw thread matching with barrel bore screw thread, step place at multidiameter is provided with nut 523,
Described special isolation hook stick includes mutual sheathing inside and outside insulating bar together, the leading section of insulating bar is provided with imperial palace Hexagonal jacket outside, described interior insulating bar 41 does stretching motion and is longer than external insulation action bars in insulating bar 42 outside, at the leading section of interior insulating bar, be provided with little interior Hexagonal jacket 43, little interior Hexagonal jacket can pass imperial palace Hexagonal jacket 44, on interior insulating bar, be provided with the location notch of one or more, on insulating bar, relevant position is provided with alignment pin 45 outside, this alignment pin can extend into the location notch of interior insulating bar, nut on described imperial palace Hexagonal jacket and screw cap type earthing rod grounding head is used in combination, the outer-hexagonal shape of little interior Hexagonal jacket and the large end of screw cap type earthing rod grounding head matches, the outer peripheral face of external insulation action bars and the exposed junction of interior insulating bar at special isolation hook stick are provided with insulating case 46.
One end of described short-circuit grounding wire is connected with earthing clamp, and the other end of described short-circuit grounding wire separates and is provided with multiple links, is provided with earth connection copper tip on link.Periphery at the short-circuit grounding wire of the close bull crotch of short-circuit grounding wire is arranged with insulating case.
Described earthing clamp is a kind of spiral compression formula line scan pickup coil side wire clamp.Described screw cap type earthing rod has two kinds of models of different size, and corresponding special isolation hook stick also has two kinds of models of multiple different size.
It is same as the prior art that the present embodiment is not stated part.
Claims (6)
1. a low pressure operation Special grounding line apparatus, is characterized in that; Include short-circuit grounding wire, earthing clamp, earth connection copper tip, special isolation hook stick, screw cap type earthing rod:
Described screw cap type earthing rod includes joint pin and grounding head, it is outer polygonal sleeve that described joint pin includes outer peripheral face, at barrel bore, be provided with internal thread, the internal thread of that one end that barrel bore is connected with bus bar or wire bolt matches with the bolt on bus bar or conductor, the other end of barrel bore is connected with grounding head, described grounding head is a kind of multidiameter, the outer peripheral face of the large end of multidiameter is outer polygonal, at multidiameter small end, be provided with the external screw thread matching with barrel bore screw thread, at the step place of multidiameter, be provided with nut;
Described special isolation hook stick includes mutual sheathing inside and outside insulating bar together, the leading section of insulating bar is provided with the polygonal sleeve of imperial palace outside, described interior insulating bar does stretching motion and is longer than external insulation action bars in insulating bar outside, at the leading section of interior insulating bar, be provided with little interior polygonal sleeve, little interior polygonal sleeve can pass the polygonal sleeve of imperial palace, on interior insulating bar, be provided with the location notch of one or more, on insulating bar, relevant position is provided with alignment pin outside, this alignment pin can extend into the location notch of interior insulating bar, nut on the polygonal sleeve of described imperial palace and screw cap type earthing rod grounding head is used in combination, the outer polygonal of little interior polygonal sleeve and the large end of screw cap type earthing rod grounding head matches,
One end of described short-circuit grounding wire is connected with earthing clamp, and the other end of described short-circuit grounding wire separates and is provided with multiple links, is provided with earth connection copper tip on link.
2. low pressure operation Special grounding line apparatus according to claim 1, is characterized in that: the side of the joint pin of described screw cap type earthing rod is provided with holding screw.
3. low pressure operation Special grounding line apparatus according to claim 2, is characterized in that: the outer peripheral face at the external insulation action bars of special isolation hook stick is provided with insulating case.
4. low pressure operation Special grounding line apparatus according to claim 3, is characterized in that: the exposed junction at the interior insulating bar of special isolation hook stick is provided with insulating case.
5. low pressure operation Special grounding line apparatus according to claim 4, is characterized in that: described earthing clamp is a kind of spiral compression formula line scan pickup coil side wire clamp.
6. low pressure operation Special grounding line apparatus according to claim 5, is characterized in that: described screw cap type earthing rod has the Multiple Type of different size, and corresponding special isolation hook stick also has the Multiple Type of multiple different size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641751.2U CN203553591U (en) | 2013-10-17 | 2013-10-17 | A low voltage operation specially used ground wire apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641751.2U CN203553591U (en) | 2013-10-17 | 2013-10-17 | A low voltage operation specially used ground wire apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553591U true CN203553591U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320641751.2U Expired - Lifetime CN203553591U (en) | 2013-10-17 | 2013-10-17 | A low voltage operation specially used ground wire apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545686A (en) * | 2013-10-17 | 2014-01-29 | 国家电网公司 | Ground wire device special for low voltage work |
| CN107872011A (en) * | 2017-12-21 | 2018-04-03 | 徐州海伦哲专用车辆股份有限公司 | A kind of low pressure is confluxed master clamp |
-
2013
- 2013-10-17 CN CN201320641751.2U patent/CN203553591U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545686A (en) * | 2013-10-17 | 2014-01-29 | 国家电网公司 | Ground wire device special for low voltage work |
| CN103545686B (en) * | 2013-10-17 | 2016-02-17 | 国家电网公司 | Ground wire device special for low voltage work |
| CN107872011A (en) * | 2017-12-21 | 2018-04-03 | 徐州海伦哲专用车辆股份有限公司 | A kind of low pressure is confluxed master clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |