CN205488635U - Power distribution station is with high -pressure short to ground stick - Google Patents
Power distribution station is with high -pressure short to ground stick Download PDFInfo
- Publication number
- CN205488635U CN205488635U CN201620294464.2U CN201620294464U CN205488635U CN 205488635 U CN205488635 U CN 205488635U CN 201620294464 U CN201620294464 U CN 201620294464U CN 205488635 U CN205488635 U CN 205488635U
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- China
- Prior art keywords
- power distribution
- arrester
- distribution station
- dop
- high voltage
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000009954 braiding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 239000012212 insulator Substances 0.000 abstract 3
- 230000013011 mating Effects 0.000 abstract 2
- 241000309551 Arthraxon hispidus Species 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 101100387911 Caenorhabditis elegans dop-2 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229960001296 zinc oxide Drugs 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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Abstract
The utility model discloses a power distribution station is with high -pressure short to ground stick, include the insulator spindle and connect in the dop of its upper end, the upper portion of dop is for mating in the shorted segment of power distribution station arrester, and the lower part of dop is for mating in the locking section of arrester installation cross arm, and the locking section of operation insulator spindle control dop is locked on installing lightning arrester's cross arm, and the arrester earthing terminal links together with cross arm, ground lead, and the shorted segment is even as an organic whole with the arrester, can realize ground connection. It is thus clear that the utility model discloses satisfying conductive electrode contact closely, reaching that still to have the earth connection when ampere rule require stable reliable, be difficult for dropping, leading to the fact the damage to wire, arrester, drop out fuse etc.. Use many connections of insulator spindle of spiral shell twistlock lock joint head simultaneously, can accomplish the installation on ground, reduce and step on the pole risk, shorten the time of installing and removing, improve maintenance efficiency's advantage.
Description
Technical field
The utility model relates to a kind of high-voltage earthing rod, particularly relates to a kind of power distribution station high voltage short circuit drop bar.
Background technology
Currently 10kV power distribution station is carried out service work (such as low-voltage lead process, metering fault process, transformer oiling etc.), along with the whole insulating of high-voltage connection, how to install high-voltage grounding wire and become to compare pain in the neck.Although most of power distribution station of new clothes is provided with electricity testing grounding ring, there is double-deck fuse switch some areas, but rural area major part does not installs electricity testing grounding ring.All insulating, the vertical installations of Zinc-Oxide Arrester of the most existing 10kV power distribution station high-voltage connection.
Existing common earth connection mounting means includes following several:
One, utilize double tongue two-man act buckle-type and flat mouth or round mouth spiraling shorts drop bar to carry out the installation of earth connection, there is the hidden danger that contact is unstable.
Two, utilizing spiraling shorts rod, such as buckle-type, relatively tighter with the bayonet socket of buckle-type short bar, during dismounting ground wire, electricity testing grounding ring can turn, it is also possible to loosens, more has many platform districts to be not provided with electricity testing grounding ring at all.
Three, for the platform district being fitted without electricity testing grounding ring, it is common that hang over pile crown on arrester with buckle-type short bar, there is installing more difficult, contact poor problem, being also easy to because self tenesmus or staff have rocked on stand and dropped, connective stability is poor, easily loses efficacy.
Four, for there being double-deck fuse switch, hang over static contact under lower floor's fuse switch, but static contact under fuse is likely caused damage by this earthing mode.
Utility model content
The purpose of this utility model is to provide one to meet field condition and electric power safety working regulation, easy to use, reliable and stable, field apparatus does not cause the power distribution station high voltage short circuit drop bar of damage.
The utility model discloses a kind of power distribution station high voltage short circuit drop bar, including insulating bar and the dop being attached to end, the top of described dop is the shorted segment being matched with power distribution station arrester, the bottom of dop is to be matched with arrester to install the locking section of cross-arm, operation insulating bar controls the locking section of dop and lock onto on the cross-arm of zinc oxide surge arresters, arrester ground end links together with cross-arm, ground lead, and shorted segment is connected as a single entity with arrester, can be grounded.
As preferably, described dop is E font, and turning arm, top board and the lower platen including longitudinal mobile jib and being laterally connected in the most successively on mobile jib, is shorted segment between turning arm and top board, for locking section between upper and lower pressing plate.
As preferably, the top of described mobile jib is provided with T-shaped round pin, end, described turning arm one end is provided with corresponding installing hole, the bar portion of T-shaped round pin passes installing hole, T-shaped round pin bar portion stretches out the part outside installing hole and is cased with spring I, and the lower end of spring I is positioned on turning arm, the head of upper end and T-shaped round pin is fixed.
As preferably, described turning arm installing hole opposite end is provided with the hole, location being matched with pile crown on arrester, and hole, location is arranged over resilient sleeve.
As preferably, described resilient sleeve includes bearing pin, spring II and upper cover plate, and bearing pin axial centre is provided with circular hole, and spring II is positioned at bearing pin axial center hole.
As preferably, hole, described location is counter sink.
As preferably, between described resilient sleeve with described T-shaped round pin, it is connected the braiding annealed copper wire of guaranteed turn-on effect.
As preferably, described lower platen is provided with screwed hole, and the upper end of described insulating bar is provided with knob bolt, and insulating bar is connected by knob bolt with lower platen.
As preferably, the upper end of described knob bolt is positioned at above lower platen, and the upper end of knob bolt connects movable holddown.
As preferably, described mobile jib is provided with some slotted holes and earth connection screw.
In use, the locking section of operation insulating bar control dop lock onto on arrester installation cross-arm the utility model, shorted segment is connected as a single entity with arrester, can be grounded.Visible, the utility model has advantage simple to operate, easy to use, reliable and stable, that field apparatus does not cause damage.
Simultaneously, it is connected as a single entity with arrester for the ease of shorted segment, it is provided with T-shaped round pin on the top of mobile jib, end, turning arm one end is provided with corresponding installing hole, the bar portion of T-shaped round pin passes installing hole, T-shaped round pin bar portion stretches out the part outside installing hole and is cased with spring I, and the lower end of spring I is positioned on turning arm, the head of upper end and T-shaped round pin is fixed.
In order to prevent damaging pile crown on arrester, turning arm installing hole opposite end is provided with the hole, location being matched with pile crown on arrester, and hole, location is arranged over resilient sleeve.
In order to, in the case of sight line is bad, be connected smoothly with pile crown on arrester, hole, location is designed as counter sink.
In order to alleviate deadweight, mobile jib is provided with some slotted holes.
Accompanying drawing explanation
Fig. 1 is the schematic front view of one preferred embodiment of the utility model.
Fig. 2 is the enlarged diagram of Fig. 1 Elastic set.
Diagram sequence number:
1 insulating bar, 2 dops, 3 knob bolt, 4 movable holddowns, 21 mobile jibs, 22 turning arms, 23 top boards, 24 lower platens, 25 T-shaped round pins, 26 spring I, 27 resilient sleeve, 28 braiding annealed copper wire, 271 bearing pins, 272 spring II, 273 upper cover plates.
Detailed description of the invention
As shown in Figure 1 and Figure 2, this power distribution station high voltage short circuit drop bar disclosed in the present embodiment, including insulating bar 1, dop 2 and knob bolt 3, the top of insulating bar 1 is fixed in knob bolt 3 one end, and the other end is connected with dop 2.Wherein dop 2 dop is E font, turning arm 22, top board 23 and the lower platen 24 including longitudinal mobile jib 21 and being laterally connected in the most successively on mobile jib, lower platen 23 is provided with the screwed hole mated with knob bolt 3, the upper end of knob bolt 3 connects movable holddown 4, and movable holddown 4 is between top board 23 and lower platen 24.It is shorted segment between turning arm 22 and top board 23, for locking section between top board 23 and lower platen 24.The top of mobile jib 21 is provided with T-shaped round pin 25, end, turning arm 22 one end is provided with corresponding installing hole, the bar portion of T-shaped round pin 25 passes installing hole, T-shaped round pin 25 bar portion stretches out the part outside installing hole and is cased with spring I 26, and the lower end of spring I 26 is positioned on turning arm 22, the head of upper end and T-shaped round pin 25 is fixed.Turning arm 22 installing hole opposite end is provided with and is matched with the counter sink of pile crown on arrester, counter sink is arranged over resilient sleeve 27, resilient sleeve 27 includes bearing pin 271, spring II 272 and upper cover plate 273, bearing pin 271 axial centre is provided with circular hole, spring II 272 is positioned at bearing pin 271 axial center hole, and resilient sleeve 27 is connected as a single entity with turning arm 22 by upper cover plate 273.It is connected between resilient sleeve 27 with T-shaped round pin 25 and has braiding annealed copper wire 28.
One end of earth connection in use, is first connected on temporary grounding body or earthing pole by the present embodiment, and the other end is connected on mobile jib；Then operate insulating bar, dop is installed on arrester at pile crown by counter sink；The most rotating insulated bar, make the locking section of dop lower end to adapting to position, knob bolt is driven to rotate by insulating bar, make movable holddown up lock with top board to install in arrester can complete the installation of earth connection on cross-arm, the supporting ground connection annealed copper wire ground connection of high voltage short circuit drop bar has reached dual grounds effect.Installation method of the present utility model is consistent with the installation earth connection method that " electric power safety working regulation " specifies.
So this power distribution station high voltage short circuit drop bar that the present embodiment proposes is meeting conductive electrode contact closely, reach, while safety requires, also there is earth connection stable reliably, be difficult to drop, wire, arrester, fuse switch etc. are not caused damage.Use many of the insulating bar connection of helical latch joint simultaneously, can complete on ground to install, reduce and step on bar risk, shortening mounting or dismounting time, the advantage of raising overhaul efficiency.
Simultaneously, by being provided with T-shaped round pin on the top of mobile jib, end, turning arm one end is provided with corresponding installing hole, the bar portion of T-shaped round pin passes installing hole, T-shaped round pin bar portion stretches out the part outside installing hole and is cased with spring I, the lower end of spring I is positioned on turning arm, the head of upper end and T-shaped round pin is fixed, it is simple to dop is connected as a single entity with arrester.
By being provided with the hole, location being matched with pile crown on arrester in turning arm installing hole opposite end, hole, location is arranged over resilient sleeve, pile crown on damage arrester when preventing from installing.
By hole, location is designed as counter sink, it is simple in the case of sight line is bad, it is connected smoothly with pile crown on arrester.
By arranging some slotted holes on mobile jib, alleviate deadweight, it is simple to carry and operate.
Claims (10)
1. a power distribution station high voltage short circuit drop bar, including insulating bar and the dop being attached to end, it is characterized in that: the top of described dop is the shorted segment being matched with power distribution station arrester, the bottom of dop is to be matched with arrester to install the locking section of cross-arm, operation insulating bar controls the locking section of dop and lock onto on the cross-arm of zinc oxide surge arresters, arrester ground end links together with cross-arm, ground lead, and shorted segment is connected as a single entity with arrester, can be grounded.
Power distribution station the most according to claim 1 high voltage short circuit drop bar, it is characterized in that: described dop is E font, turning arm, top board and the lower platen including longitudinal mobile jib and being laterally connected in the most successively on mobile jib, it is shorted segment between turning arm and top board, for locking section between upper and lower pressing plate.
Power distribution station the most according to claim 2 high voltage short circuit drop bar, it is characterized in that: the top of described mobile jib is provided with T-shaped round pin, end, described turning arm one end is provided with corresponding installing hole, the bar portion of T-shaped round pin passes installing hole, T-shaped round pin bar portion stretches out the part outside installing hole and is cased with spring I, and the lower end of spring I is positioned on turning arm, the head of upper end and T-shaped round pin is fixed.
Power distribution station the most according to claim 3 high voltage short circuit drop bar, it is characterised in that: described turning arm installing hole opposite end is provided with the hole, location being matched with pile crown on arrester, and hole, location is arranged over resilient sleeve.
Power distribution station the most according to claim 4 high voltage short circuit drop bar, it is characterised in that: described resilient sleeve includes bearing pin, spring II and upper cover plate, and bearing pin axial centre is provided with circular hole, and spring II is positioned at bearing pin axial center hole.
Power distribution station the most according to claim 4 high voltage short circuit drop bar, it is characterised in that: hole, described location is counter sink.
Power distribution station the most according to claim 5 high voltage short circuit drop bar, it is characterised in that: it is connected the braiding annealed copper wire of guaranteed turn-on effect between described resilient sleeve with described T-shaped round pin.
Power distribution station the most according to claim 2 high voltage short circuit drop bar, it is characterised in that: described lower platen is provided with screwed hole, and the upper end of described insulating bar is provided with knob bolt, and insulating bar is connected by knob bolt with lower platen.
Power distribution station the most according to claim 8 high voltage short circuit drop bar, it is characterised in that: the upper end of described knob bolt is positioned at above lower platen, and the upper end of knob bolt connects movable holddown.
Power distribution station the most according to claim 2 high voltage short circuit drop bar, it is characterised in that: described mobile jib is provided with some slotted holes and earth connection screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620294464.2U CN205488635U (en) | 2016-04-11 | 2016-04-11 | Power distribution station is with high -pressure short to ground stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620294464.2U CN205488635U (en) | 2016-04-11 | 2016-04-11 | Power distribution station is with high -pressure short to ground stick |
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| Publication Number | Publication Date |
|---|---|
| CN205488635U true CN205488635U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620294464.2U Active CN205488635U (en) | 2016-04-11 | 2016-04-11 | Power distribution station is with high -pressure short to ground stick |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556640A (en) * | 2019-09-23 | 2019-12-10 | 国网山西省电力公司长治供电公司 | Special earth connection of block terminal |
| CN110610800A (en) * | 2018-06-15 | 2019-12-24 | 国网辽宁省电力有限公司营口供电公司 | Primary side rapid grounding device and method for 10 kV transformer platform |
| CN113904261A (en) * | 2021-09-26 | 2022-01-07 | 国网福建省电力有限公司 | Circuit arrester does not have power failure installation and changes device |
-
2016
- 2016-04-11 CN CN201620294464.2U patent/CN205488635U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610800A (en) * | 2018-06-15 | 2019-12-24 | 国网辽宁省电力有限公司营口供电公司 | Primary side rapid grounding device and method for 10 kV transformer platform |
| CN110556640A (en) * | 2019-09-23 | 2019-12-10 | 国网山西省电力公司长治供电公司 | Special earth connection of block terminal |
| CN113904261A (en) * | 2021-09-26 | 2022-01-07 | 国网福建省电力有限公司 | Circuit arrester does not have power failure installation and changes device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |