CN104377579B - Potential shifting rod for hot-line work of alternating-current ultra high voltage substation - Google Patents
Potential shifting rod for hot-line work of alternating-current ultra high voltage substation Download PDFInfo
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- CN104377579B CN104377579B CN201410643415.0A CN201410643415A CN104377579B CN 104377579 B CN104377579 B CN 104377579B CN 201410643415 A CN201410643415 A CN 201410643415A CN 104377579 B CN104377579 B CN 104377579B
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- Prior art keywords
- high voltage
- piston hole
- arc
- hole
- block
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- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000012216 screening Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 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
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to a potential shifting rod for hot-line work of an alternating-current ultra high voltage substation. The potential shifting rod comprises an insulating rod, a connecting block, a connecting sleeve, a rotary connector, two supporting rods and two arc-shaped clamps, wherein one end of the connecting block is connected with the insulating rod, a rectangular piston hole is formed in the other end of the connecting block, and a limiting hole is formed in the side, close to the interior of the connecting block, of the rectangular piston hole; the connecting block is located in the connecting sleeve, and a gap exists between a connecting part and the inner wall of the connecting sleeve; the rotary connector comprises a piston rod and a rectangular limiting block connected to one end of a piston rod and arranged in the rectangular piston hole in a sleeved mode; the two supporting rods are connected to the end face, close to the rectangular piston hole, of the connecting sleeve; one end of each arc-shaped clamp is fixedly connected with the other end of the piston rod through a connecting plate, and the positions, close to fixed connecting points, of the two arc-shaped clamps are connected with the supporting rods through positioning pin shafts. Through the potential shifting rod for hot-line work of the alternating-current ultra high voltage substation, a grasping part can be manually controlled to be opened or closed so that a wire can be grasped or released, a hot-line operator does not need to bend forward, and operation safety is guaranteed.
Description
Technical field
The present invention relates to the potential transfer device for livewire work, in particular to a kind of electric potential transferring stick for the livewire work of AC extra high voltage transformer station.
Background technology
Livewire work be super UHV transmission line test, overhaul, the important means transformed and method, which increase the reliability that electrical network is powered.During super UHV transmission line livewire work, entering isoelectric level is important job step, is directly connected to safety and the working performance of livewire work personnel.Needed to carry out potential transfer before livewire work personnel enter isoelectric level, during potential transfer, have a capacitive discharge pulse electric current, and along with bigger electric arc, this pulse current increases along with the raising of electric pressure, and electric arc then synchronizes along with the increase of pulse current to strengthen.And for the super ultrahigh voltage alternating current transmission lines of 750kV～1000kV electric pressure, if the method used in the 500kV still used and following electric pressure livewire work process enters isoelectric level, during potential transfer, the safety of operating personnel will be caused serious harm by pulse current and electric arc, and damages screening clothing.Electric potential transferring stick is the metal tools that equipotential live line work personnel use when passing in and out isoelectric level, is used for reducing electrical discharge arc to the impact of human body and the damage of avoiding pulse current to be likely to result in screening clothing.
At present, exchange the electric potential transferring stick that super extra high voltage line livewire work used in use to come with some shortcomings, such as: the Chinese patent of Publication No. CN101227068 discloses a kind of exchange ultra-high/extra-high voltage line live-line work isoelectric level access method and electric potential transferring stick thereof, the structure design of this electric potential transferring stick forward metal hook determines livewire work personnel during exiting isoelectric level, suitably must be leaned forward health, metal hook could be exited from wire, human body and the distance of electrical body when being equivalent to reduce potential transfer within a short period of time, likely occur that " combinational gap of moment " reduces, and be likely to result in hanging basket and lean forward, there is certain potential safety hazard.
Summary of the invention
Present invention aim to overcome that above-mentioned the deficiencies in the prior art provide a kind of electric potential transferring stick for the livewire work of AC extra high voltage transformer station, this electric potential transferring stick can the opening or closing of Non-follow control holding part, to realize the grasping to wire or relieving, and lean forward health without livewire work personnel, it is ensured that job safety.
Realize the object of the invention and the technical scheme is that the electric potential transferring stick for the livewire work of AC extra high voltage transformer station, including insulating bar, it is characterised in that also include:
Connection member, it includes contiguous block, and one end of described contiguous block is fixing with one end of described insulating bar to be connected, and the other end of described contiguous block has rectangle piston hole, and described rectangle piston hole is near being provided with spacing hole within contiguous block；
Adapter sleeve, described connection member is placed in described adapter sleeve, and there is gap between described connection member and the inwall of adapter sleeve；
Rotary connector, it includes piston rod and is connected to the rectangle limited block of piston rod one end, and described rectangle limited block is placed in described rectangle piston hole；
Two support bars, are connected to described adapter sleeve on the end face of rectangle piston hole one end；And
Two arc folders, one end of described two arc folders is connected by connecting plate is fixing with the other end of piston rod respectively, and described two arc folders are connected with two support bars by alignment pin respectively near the position of fixed connection point.
Further, the other end of described insulating bar is cased with rubber gloves.
Further, the upper connection of described arc folder has drainage thread.
Accompanying drawing explanation
Fig. 1 is the present invention structural representation for the electric potential transferring stick of AC extra high voltage transformer station livewire work.
Fig. 2 is the structural representation of rotary connector.
Fig. 3 is the structural representation of connection member.
In figure, 1-rubber gloves, 2-insulating bar, 3-adapter sleeve, 4-support bar, 5-alignment pin, 6-arc presss from both sides, 7-connecting plate, 8-rotary connector (8.1-piston rod, 8.2 limited blocks), 9-connection member (9.1-piston hole, 9.2-spacing hole).
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the present invention includes insulating bar 2 for the electric potential transferring stick of AC extra high voltage transformer station livewire work, one end (left end in Fig. 1) of insulating bar 2 is cased with rubber gloves 1, and the other end (right-hand member in Fig. 1) of insulating bar 2 is provided with connection member 9.
As shown in Figure 2, connection member 9 used by the present embodiment is a contiguous block, the end face (lower surface in Fig. 2) of contiguous block is fixing with insulating bar 2 to be connected, the other end (upper surface in Fig. 2) of contiguous block is stretched to the inside of contiguous block and is had piston hole 9.1, and piston hole 9.1 prolongs the inside to contiguous block and is also associated with spacing hole 9.2.
The outside of contiguous block is cased with adapter sleeve 3, there is gap between the inwall of contiguous block and adapter sleeve 3, and contiguous block can rotate in adapter sleeve 3.
The end face (right-hand member in Fig. 1) that adapter sleeve 3 is relative with insulating bar 2 is provided with two support bars 4.
Electric potential transferring stick of the present invention also includes rotary connector 8, as it is shown on figure 3, rotary connector 8 includes that piston rod 8.1, one end of piston rod 8.1 are provided with limited block 8.2, limited block 8.2 is placed in piston hole 9.1.Piston rod 8.1 used by the present invention is cylindrical, and limited block 8.2 is cuboid, limited block 8.2 and the wide diameter equal to piston rod 8.1 cross section of piston rod 8.1 joint face.Piston hole 9.1 in contiguous block is and the rectangular parallelepiped space of limited block 8.2 formed objects；Spacing hole 9.2 in contiguous block is cylindrical space, the diameter of spacing hole 9.2 is not less than the length of limited block 8.2 with piston rod 8.1 joint face, limited block 8.2 is after piston hole 9.1 is completely in spacing hole 9.2, it is rotationally connected block, piston hole 9.1 is made to turn an angle (piston hole 9.1 and limited block 8.2 are misplaced), in now limited block 8.2 is entrapped in spacing hole 9.2, will be unable to exit from piston hole 9.1.
Electric potential transferring stick of the present invention also includes two arc folders 6 and two support bars 4, one end of two arc folders 6 is connected by connecting plate 7 is fixing with the other end of piston rod 8.1 respectively, arc folder 6 is connected with two support bars 4 by alignment pin 5 respectively near the position of this fixed connection point, and support bar 4 can rotate around alignment pin 5.Connect on arc folder 6 and have drainage thread.
The present invention is as follows for the work process of the electric potential transferring stick of AC extra high voltage transformer station livewire work:
Before livewire work, operating personnel dresses after drainage thread is connected by good a complete set of screening clothing with screening clothing, take the insulation vehicle such as hanging basket close to electrical body, when distance of wire 0.4m～0.6m, the opening between two arc folders 6 is stretched to wire, and oppresses rapidly wire, wire produces oppressive forces to arc folder 6 after entering in two arcs press from both sides 6, arc folder 6 promotion connecting plate 7, connecting plate 7 and then promotion piston rod 8.1, until limited block 8.2 is completely in spacing hole 9.2.Then, rotating insulated excellent 2, insulating bar 2 drives contiguous block to rotate, thus the piston hole 9.1 in driving contiguous block rotates, after piston hole 9.1 turns an angle, formed between piston hole 9.1 and limited block 8.2 and misplace, herein, can not be corresponding between limited block 8.2 with piston hole 9.1, then limited block 8.2 cannot exit in piston hole 9.1, meanwhile, arc folder 6 is tightened up, and is limited in by wire in the space between two arc folders 6.In above process, it is possible to avoid " combinational gap of moment " that may cause because of forward lean to reduce problem, it is to avoid security incident occurs.
When wire released by needs, pull insulating bar 2, wire is made to prop up the opening of two arc folders 6, then insulating bar 2 is rotated, thus drive contiguous block to rotate, when the piston hole 9.1 in contiguous block and between limited block 8.2 to the time in of corresponding when i.e. limited block 8.2 just can pass through from piston hole 9.1, under wire outside counter pull effect, limited block 8.2 exits from piston hole 9.1, and piston rod 8.1 promotes connecting plate 7, connecting plate 7 and then promotion two arcs folders 6 rotation, opening between two arc folders is opened, so that wire release.
The present invention has been described in detail, and provides the design apparatus structure of embodiment.It is interpreted as the foregoing is only the specific embodiment of the present invention, is not limited to the present invention.The specification and drawings is considered as illustrative implication rather than restrictive meaning.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (3)
1. for an electric potential transferring stick for AC extra high voltage transformer station livewire work, including insulating bar,
It is characterized in that, also include:
Connection member, is a contiguous block, and one end of one end of described contiguous block and described insulating bar is fixed
Connecting, the other end of described contiguous block has rectangle piston hole, and described rectangle piston hole is near even
Connect within block while being provided with spacing hole；
Adapter sleeve, described connection member is placed in described adapter sleeve, and described connection member and adapter sleeve
Gap is there is between inwall；
Rotary connector, it includes piston rod and is connected to the rectangle limited block of piston rod one end, institute
Stating rectangle limited block to be placed in described rectangle piston hole, piston hole prolongs to the connection of the inside of contiguous block
Limited location hole；
Two support bars, lay respectively at the both sides of described rotary connector, and one end of two support bars is connected to
On the end face of rectangle piston hole one end；And
Two arc folders, one end of described two arc folders is solid with the other end of piston rod by connecting plate respectively
Fixed connect, described two arcs folders near the position of fixed connection points by alignment pin respectively with two
The other end of strut connects.
The most according to claim 1 for the electric potential transferring stick of AC extra high voltage transformer station livewire work,
It is characterized in that: the other end of described insulating bar is cased with rubber gloves.
The most according to claim 2 for the electric potential transferring stick of AC extra high voltage transformer station livewire work,
It is characterized in that: the upper connection of described arc folder has drainage thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643415.0A CN104377579B (en) | 2014-11-07 | 2014-11-07 | Potential shifting rod for hot-line work of alternating-current ultra high voltage substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643415.0A CN104377579B (en) | 2014-11-07 | 2014-11-07 | Potential shifting rod for hot-line work of alternating-current ultra high voltage substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377579A CN104377579A (en) | 2015-02-25 |
| CN104377579B true CN104377579B (en) | 2017-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410643415.0A Active CN104377579B (en) | 2014-11-07 | 2014-11-07 | Potential shifting rod for hot-line work of alternating-current ultra high voltage substation |
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| Country | Link |
|---|---|
| CN (1) | CN104377579B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675770B (en) * | 2021-08-18 | 2022-10-18 | 贵州电网有限责任公司 | Distribution network hot-line work quick replacement isolating switch, link control auxiliary device and method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19902896C2 (en) * | 1999-01-18 | 2001-01-25 | Ver Energiewerke Ag | Device for picking up objects from electrical switchgear |
| DE102007013440A1 (en) * | 2007-03-21 | 2008-09-25 | Klotter, Werner | Clamp for medium-voltage system or distribution stations for maintaining and repairing medium-voltage switch, is attached in form of movable clamping jaws and opposite support in geometrical form |
| CN201153196Y (en) * | 2007-12-27 | 2008-11-19 | 国网武汉高压研究院 | Electric potential transferring stick of alternating current ultra / super high-tension line live-line work |
| CN101350458A (en) * | 2008-08-21 | 2009-01-21 | 义乌市供电局 | Straight-clamping type grounding wire |
| CN203326154U (en) * | 2013-06-29 | 2013-12-04 | 国家电网公司 | Ground wire hanging device |
| CN203631776U (en) * | 2013-12-02 | 2014-06-04 | 国网河南省电力公司安阳供电公司 | Multi-linkage type grounding wire clamp |
| CN203895808U (en) * | 2014-04-10 | 2014-10-22 | 国家电网公司 | Insulating tool for plugging 10 kV high voltage PT fuse protector under live-line condition |
| CN203871710U (en) * | 2014-05-13 | 2014-10-08 | 国家电网公司 | Multifunctional operation lever apparatus for high-voltage device |
| CN203932827U (en) * | 2014-06-20 | 2014-11-05 | 国家电网公司 | A kind of super UHV transmission line live line working electric potential transferring stick |
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2014
- 2014-11-07 CN CN201410643415.0A patent/CN104377579B/en active Active
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| Publication number | Publication date |
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| CN104377579A (en) | 2015-02-25 |
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Inventor after: Deng Ke Inventor after: Wan Wenjie Inventor after: Zhang Qiushi Inventor after: Wang Dongliang Inventor after: Wang Qin Inventor after: Li Ting Inventor before: Deng Ke Inventor before: Wan Wenjie Inventor before: Zhang Qiushi Inventor before: Wang Dongliang |