CN106450839A - Connection rod for testing 500kV transformer/reactor - Google Patents
Connection rod for testing 500kV transformer/reactor Download PDFInfo
- Publication number
- CN106450839A CN106450839A CN201610582727.4A CN201610582727A CN106450839A CN 106450839 A CN106450839 A CN 106450839A CN 201610582727 A CN201610582727 A CN 201610582727A CN 106450839 A CN106450839 A CN 106450839A
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- rod
- transformer
- gear
- spring
- handle
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/22—Connectors or connections adapted for particular applications for transformers or coils
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a connection rod for testing a 500kV transformer/reactor. The connection rod comprises a rod body, a pull wire and a pair of spring tongs arranged at the front end of the rod body. According to the connection rod, the difficulty of testing the 500kV transformer/reactor is lowered; connection required by the test can be completed; the personal safety of a worker is ensured; and the test efficiency is improved.
Description
Technical field
The present invention relates to a kind of 500kV transformer/reactor test connection bar.
Background technology
At present, when carrying out 500kV transformer/reactor high-potting, wiring aspect still uses original method, i.e. tries
The personnel of testing climb up equipment casing wiring.
During wiring, testing crew needs to fasten the safety belt, and in climbing, 500kV transformer/reactor outlet casing tube goes out, will test
Instrument line is connected at 500kV transformer/reactor terminal plate, and during wiring, wiring personnel are only suspended on high-altitude with safety belt,
Butted line personal security threatens.Whole wiring process hazard and cost time are long.
The Northeast is long for cold season, and winter is cold, when now testing on 500kV transformer/reactor, personnel's
Safety is on the hazard.
Occur in that the situation causing human life to be on the hazard due to climbing sleeve pipe at present, therefore to ensure
The safety of 500kV transformer/reactor testing crew, reduces test required time, reduces the difficulty of test, develop a product
Extremely urgent.
Content of the invention
Goal of the invention：
The present invention provides a kind of 500kV transformer/reactor test connection bar, its objective is to solve in the past existing problem.
Technical scheme：
A kind of 500kV transformer/reactor test connection bar, it is characterised in that：This junction pole includes the body of rod, draught line and setting
Spring tongs at lever front end；Spring tongs is for being closed by kneading power and being opened by the elastic reset of torsion spring or spring
The structure opened, one handle of the tail end of this spring tongs is made as fixed handle, another handle by being threaded onto the leading section of the body of rod
For movable handle, the end of this movable handle is provided with the annular aperture for being draught line, and the front end jaw of this spring tongs is circular arc
Shape width mouth；Draught line one end connects the annular aperture other end and is wrapped on the spool of body of rod handheld terminal after the body of rod.
The body of rod is for by the mutually threaded long rod structure forming of the little bar of more piece.
It is provided with the auxiliary stay hook for being wound around line and choose draught line on the top of the body of rod.
It is provided with stable support between the bottom of the connecting shaft of spring tongs and the body of rod.
It is provided with the lifter rack being connected with draught line in the body of rod, outside with this corresponding body of rod in lifter rack position
Portion is provided with pulling force gear, and the tooth of pulling force gear engages with lifter rack in putting in the body of rod, is coaxially disposed with pulling force driving gear
Having pulling force travelling gear, travelling gear is connected with the upper transfer gear being arranged on spring tongs fixed handle by chain, and upper
Travelling gear is coaxially arranged with pinion, and upper pinion passes through with the upper transfer gear being arranged at the connecting shaft of spring tongs
Upper driving chain connects, and upper transfer gear is coaxially connected with the driving gear in the connecting shaft being arranged on spring tongs, drives tooth
Wheel is with through the dimple on the advance and retreat tooth bar of spring tongs connecting shaft, and the front end of advance and retreat tooth bar puts in the opening of spring tongs
In, in the opening of spring tongs, it is additionally provided with two card chelas, one end of two card chelas is arranged on advance and retreat by movable axis
The front end of tooth bar, the other end of two card chelas is flexibly connected with two opening handles of spring tongs respectively.
Two card chelas are flexibly connected with spring tongs opening handle by roller, are provided with restriction rolling in the front end of card chela
The limit sliding chutes of wheel, is provided with the rolling slideway rolling for roller in spring tongs opening handle front end.
It is provided with the slide opening groove that the rotating shaft for roller passes through, roller at the sidewall of limit sliding chutes and the sidewall of rolling slideway
Rotating shaft pass through slide opening groove make the front end of card chela can move relative to opening handle and keep being connected with opening handle.
It is provided with in body of rod outer wall and the corresponding position of pulling force gear and can move axially along the body of rod and pulling force gear can be blocked
Make what it cannot rotate fixture block.
Pulling force gear is coaxially connected with swinging handle.
Advantage and effect：
The present invention is a kind of 500kV transformer/reactor test connection bar, and this electric wire connecting junction is easy to carry about with one and operates and onsite application,
Very useful.Staff may stand at the flat surfaces of distance equipment terminal plate safety farther out, by operating this wiring
Device, just quickly smoothly completes wiring, and wiring effect meets test requirements document.Mitigate 500kV transformer/reactor test difficulty with this
Degree, can complete the wiring of test requirements document, it is ensured that the personal safety of staff, improves the efficiency of experiment.
Brief description
Fig. 1 be the present invention structural representation '
Fig. 2 is the another form of structural representation of the present invention；
Fig. 3 is A portion enlarged diagram in Fig. 2；
Fig. 4 is the B position enlarged drawing in Fig. 2.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings：
As it is shown in figure 1, the present invention proposes a kind of 500kV transformer/reactor test connection bar, the 1st, this junction pole includes the body of rod
Draught line 5 and the spring tongs 2 being arranged on the body of rod 1 front end；Spring tongs 2 for by mediate power Guan Bi and pass through torsion spring or
The structure that the elastic reset of spring opens, the leading section that handle of the tail end of this spring tongs 2 is screwed in the body of rod 1 by screw thread 3 is made
For fixed handle, another handle is as movable handle, and the end of this movable handle is provided with the annular aperture 4 for being draught line 5, this spring
The front end jaw 6 of pliers 2 is circular arc width mouth；Draught line 5 one end connects annular aperture 4 other end and is wrapped in bar after the body of rod 1
On the spool 7 of body 1 handheld terminal.
The body of rod 1 is for by the mutually threaded long rod structure forming of the little bar of more piece.
It is provided with the auxiliary stay hook 8 for being wound around line and choose draught line on the top of the body of rod 1.
It is provided with stable support 10 between the bottom of the connecting shaft 9 of spring tongs 2 and the body of rod 1.
Be provided with the lifter rack 11 being connected with draught line 5 in the body of rod 1, with this corresponding bar in lifter rack 11 position
The outside of body 1 is provided with pulling force gear 12, and the tooth of pulling force gear 12 engages with lifter rack 11, with pulling force master in putting in the body of rod 1
Moving gear 12 is coaxially arranged with pulling force travelling gear 13, travelling gear 13 by chain 14 be arranged on spring tongs 2 fixed handle
On upper transfer gear 15 connect, be coaxially arranged with upper pinion with upper transfer gear 15, upper pinion be arranged on spring forceps
Upper transfer gear at the connecting shaft of son 2 is connected by upper driving chain 16, upper transfer gear and the company being arranged on spring tongs 2
Driving gear 17 in spindle is coaxially connected, drives recessed with on the advance and retreat tooth bar 18 through spring tongs 2 connecting shaft of gear 17
Hole engagement, the front end of advance and retreat tooth bar 18 puts in the opening of spring tongs 2, is additionally provided with two in the opening of spring tongs 2
Card chela 19, one end of two card chelas 19 is arranged on the front end of advance and retreat tooth bar 18 by movable axis 20, two card chelas 19
The other end is flexibly connected with two opening handles 21 of spring tongs 2 respectively.Pulling force driving gear 12 is arranged on same with spring tongs 2
Side.
Two card chelas 19 are flexibly connected with spring tongs 2 opening handle 21 by roller 22, set in the front end of card chela 19
It is equipped with the limit sliding chutes 23 limiting roller 22, be provided with in spring tongs 2 opening handle 21 front end and slide for the rolling that roller 22 rolls
Road 24.
It is provided with the slide opening that the rotating shaft for roller 22 passes through at the sidewall of limit sliding chutes 23 and the sidewall of rolling slideway 24
Groove, the rotating shaft of roller 22 passes through slide opening groove and the front end of card chela 19 can be moved relative to opening handle 21 and keep and opening handle
21 connect.
It is provided with in the body of rod 1 outer wall and the corresponding position of pulling force gear 12 and can move axially along the body of rod 1 and pulling force can be blocked
Gear 12 makes what it cannot rotate fixture block 25.Pulling force gear is coaxially connected with swinging handle.
Wherein：
1st, the body of rod is made up of the little bar of more piece, for example totally 10 joint, wherein one joint for periproct, one joint headed by joint, according to actual feelings
Condition determines body of rod length.Every a length of 1m of pole, hollow, in addition to head saves, other every poles are the ending identical straight-bars of diameter.First joint
The top of bar is relatively thin, and end is identical with other pole diameters.Rely on threaded between each joint；
2nd, first joint tail diameter is 4cm, and top diameter is 2.5cm, has screw thread, is used for placing one handle of spring tongs,
Place suitable with spring tongs length is provided with auxiliary wire-hanging hook；
3rd, the anti-skidding insulation sleeve of periproct and spool；
4th, spring tongs is for changing the action direction of check bar, and can mitigate first joint end needs stress, convenient examination simultaneously
Test bar operation not only big but also be engaged tight object.One handle of this pliers tail end has screw thread, is used for being screwed in first pole end, another handle
Having annular aperture, being used for is draught line, and jaw is circular arc width mouth；
5th, spool spool is used for being wound around draught line, and its rotating distance is for controlling the tail end folding of spring tongs, energy
Enough carry out pliers folding degree electrodeless regulate and reliably fixes；
6th, stable support reduces strength suffered by check bar end, simultaneously works as supporting spring tongs and is at stable and flat
Weighing apparatus effect；
7th, auxiliary stay hook is used for being wound around line, take-up, with drawing that this mitigates that p-wire gravity suffered by check bar end causes
Power；
8th, suture introducing needle is for when connecting each joint check bar, and the draught line of tail end passes through each pole body of rod in advance one by one.
The course of work of the present invention：
1st, according to on-the-spot distance, such as 4.5m, choose the little bar of more piece and can connect into corresponding length, such as 5m length, its bag
Three joints of first joint, each joint of periproct and centre are included；
2nd, it is fixed at spring tongs handle after first draught line being passed through each pole body with suture introducing needle, be then threaded connection
Check bar, and connect spring tongs；
3rd, object will be connect to be placed in spring jaw, and be placed stable firm；
4th, assisting on wire-hanging hook line around loose circle；
5th, lift check bar, when connect object put in place after, rotate spool, discharge the handle of spring tongs lentamente, until quilt
Folder object is decontroled completely；
6th, being displaced outwardly junction pole, the coiling on auxiliary wire-hanging hook is automatically releasable；
7th, check bar is put down.
Process of taking out stitches is contrary with said process.
And in the process, as in figure 2 it is shown, when draught line 5 pulls downwards, the opening of spring tongs 2 gradually bite by
Folder thing, and now, as draught line 5 moves down, lifter rack 11 engages downwards pulling force driving gear 12 and pulling force driving cog
Wheel 13 rotation, rotates counterclockwise exactly according to shown in Fig. 2, and then pulling force travelling gear 13 drives upper driving cog by chain 14
Wheel 15 and upper pinion rotate, and upper pinion drives upper transfer gear and driving gear 17 to rotate by upper driving chain 16,
Gear 17 is driven to engage advance and retreat tooth bar 18 backward（Left side in figure）Mobile, and then drive two card chelas 19 to help to contract
Help spring tongs 2 to clamp gripped object, promote fixture block 25 to make it block pulling force driving gear 12 then up and prevent it from rotating,
And when needs release gripped object, slide downward fixture block 25, away from pulling force driving gear 12, then decontrols draught line 5,
Make lifter rack 11 upwards engage pulling force driving gear 12 and pulling force travelling gear 13 rotates, and then made by chain reaction
Tooth bar 18 of must retreating moves forward（Right side in figure is moved）, and then two card chelas 19 are flared out, unclamp by
While clamping thing, the front end of advance and retreat tooth bar 18 also can head on gripped object and move forward, and then completes actively to unload clamped
The process of thing, two card chelas 19 of whole process are further ensured that the clamping degree of gripped object, meanwhile, utilize fixture block to prevent from drawing
Moving gear 12 of advocating rotates and also further increases security, because because draught line 5 needs to receive one during operation
The pulling force of individual tension, therefore, excessive once long-time use or gripped object, easily there is the danger broken in draught line 5,
And once break and will easily cause gripped object and drop, so easily hurt operating personnel, and during dropping
Also other equipment of easily damage construction cause any property loss, and the equipment dropping itself once to break be also a loss, and
Have employed fixture block 25 by after fixing for pulling force driving gear 12, even if the unexpected fracture of draught line 5, two card chelas 19 also can still be protected
Hold clamped condition, do not have above-mentioned potential safety hazard, considerably increase the security of construction, and on the other hand when unloading is pressed from both sides
When holding thing, advance and retreat tooth bar 18 has the active thrust promoting forward gripped object, so narrow and small at some or circuit is more
Space in will significantly facilitate unloading gripped object, and without this mechanism, then in some slightly larger spaces or
It not that very complex environment has only to trip spring pliers 2 then slight jitter spring tongs 2 and utilizes spring tongs 2 to be moved
Move to suitable position, but when the space of narrow and small or complex circuit, do not shake spring tongs 2 space or
Person shakes spring tongs 2 can exist potential safety hazard, therefore thus cannot deliver to gripped object accurately specify position, and adopt
With this problem just can well be solved after the active offloading functions of advance and retreat tooth bar 18.
Using effect
The program is tested in Shenyang electrical test class of O＆M branch, and comparing result is as follows：
A, primitive operation method
1st, safety belt is checked, if having breakage or aging conditions；
2nd, fasten the safety belt, tie up to safety belt on the body of climbing person；
3rd, hanging safety belt, is enclosed within safety belt on sleeve pipe to be climbed；
4th, bushing is climbed, operating specification posture during climbing；Highest point employee's health is positioned at horizontal plane 8m eminence；
5th, singlehanded thick clamp, buttresses safety belt and grasps sleeve pipe on the other hand, and both legs climb tight sleeve pipe；
6th, setting of casing, pine safety belt, according to normalizing posture setting of casing.
During wiring, although librarian use safety belt, the high-altitude that how high unsettled 8m is but its health remains unchanged, exist
Dangerous.Further, owing to process of the test needs personnel to climb up and down meticulously, so test period is longer, one need of a wiring
Want time half a day, not only have influence on when time test efficiency, have shadow also for total power failure duration and the operation to unit below
Ring.
B, use check bar
1st, check bar joint number according to needed for actual conditions determine, splices check bar；
2nd, check bar end will be put in by folder testing wire clamp；
3rd, check bar is lifted as corresponding site；
4th, check bar is regained after pine bar
Using check bar wiring, it can be avoided that personnel's climbing, operating process is simple, without dangerous, can shorten test period, carry
High test efficiency.
The present invention, in view of there is the situation that causes injury to personnel, life to be on the hazard due to climbing sleeve pipe, passes through
Contrasting above-mentioned wiring process, the check bar employing the present invention carries out test wire connection, not only operation letter to 500kV transformer
Single, test period can also be shortened, improve test efficiency, simultaneously it can be avoided that personnel's climbing is positioned at the appearance sleeve pipe in high-altitude, protect
Protect testing crew personal safety.It mitigates 500kV transformer/reactor test difficulty, can complete the wiring of test requirements document, carry
The efficiency of high experiment.
Claims (9)
1. a 500kV transformer/reactor test connection bar, it is characterised in that：This junction pole includes the body of rod（1）, draught line
（5）Be arranged on the body of rod（1）The spring tongs of front end（2）；Spring tongs（2）For by mediate power Guan Bi and pass through torsion spring or
The structure that the elastic reset of person's spring opens, this spring tongs（2）One handle of tail end pass through screw thread（3）It is screwed in the body of rod（1）'s
Leading section is provided with for being draught line as movable handle, the end of this movable handle as fixed handle, another handle（5）Ring-type
Hole（4）, this spring tongs（2）Front end jaw（6）For circular arc width mouth；Draught line（5）One end connects annular aperture（4）The other end
Through the body of rod（1）After be wrapped in the body of rod（1）The spool of handheld terminal（7）On.
2. a kind of 500kV transformer/reactor test connection bar according to claim 1, it is characterised in that：The body of rod（1）
For by the mutually threaded long rod structure forming of the little bar of more piece.
3. a kind of 500kV transformer/reactor test connection bar according to claim 1, it is characterised in that：At the body of rod
（1）Top be provided with for being wound around line and choosing the auxiliary stay hook of draught line（8）.
4. a kind of 500kV transformer/reactor test connection bar according to claim 1, it is characterised in that：Spring tongs
（2）Connecting shaft（9）Bottom and the body of rod（1）Between be provided with stable support（10）.
5. a kind of 500kV transformer/reactor test connection bar according to claim the 1st, the 2nd, 3 or 4, it is characterised in that：
At the body of rod（1）It is inside provided with and draught line（5）The lifter rack connecting（11）, with this lifter rack（11）The corresponding bar in position
Body（1）Outside be provided with pulling force gear（12）, pulling force gear（12）Tooth put in the body of rod（1）In and lifter rack（11）Nibble
Close, with pulling force driving gear（12）It is coaxially arranged with pulling force travelling gear（13）, travelling gear（13）Pass through chain（14）With set
Put at spring tongs（2）Upper transfer gear on fixed handle（15）Connect, with upper transfer gear（15）It is coaxially arranged with secondary tooth
Wheel, upper pinion be arranged on spring tongs（2）Connecting shaft at upper transfer gear by upper driving chain（16）Connect, on
Travelling gear be arranged on spring tongs（2）Connecting shaft in driving gear（17）Coaxially connected, drive gear（17）With wear
Cross spring tongs（2）The advance and retreat tooth bar of connecting shaft（18）On dimple, advance and retreat tooth bar（18）Front end put in spring tongs
（2）Opening in, at spring tongs（2）Opening in be additionally provided with two card chelas（19）, two card chelas（19）One end
Pass through movable axis（20）It is arranged on advance and retreat tooth bar（18）Front end, two card chelas（19）The other end respectively with spring tongs
（2）Two opening handles（21）It is flexibly connected.
6. a kind of 500kV transformer/reactor test connection bar according to claim 5, it is characterised in that：Two clamp
Pawl（19）Pass through roller（22）With spring tongs（2）Opening handle（21）It is flexibly connected, at card chela（19）Front end arrange limited
Roller processed（22）Limit sliding chutes（23）, at spring tongs（2）Opening handle（21）Front end is provided with for roller（22）The rolling rolling
Sliding way（24）.
7. a kind of 500kV transformer/reactor test connection bar according to claim 6, it is characterised in that：In spacing cunning
Groove（23）Sidewall and rolling slideway（24）Sidewall be provided with for roller（22）The slide opening groove that passes through of rotating shaft, roller（22）
Rotating shaft pass through slide opening groove make card chela（19）Front end can be relative to opening handle（21）Move and keep and opening handle（21）
Connect.
8. a kind of 500kV transformer/reactor test connection bar according to claim 5, it is characterised in that：At the body of rod
（1）Outer wall and pulling force gear（12）Corresponding position is provided with can be along the body of rod（1）Move axially and pulling force gear can be blocked（12）
Make what it cannot rotate fixture block（25）.
9. a kind of 500kV transformer/reactor test connection bar according to claim 8, it is characterised in that：Pulling force gear
（12）It is coaxially connected with swinging handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582727.4A CN106450839B (en) | 2016-07-22 | 2016-07-22 | A kind of 500kV transformer/reactor test connection bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582727.4A CN106450839B (en) | 2016-07-22 | 2016-07-22 | A kind of 500kV transformer/reactor test connection bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450839A true CN106450839A (en) | 2017-02-22 |
| CN106450839B CN106450839B (en) | 2019-06-21 |
Family
ID=58184735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610582727.4A Active CN106450839B (en) | 2016-07-22 | 2016-07-22 | A kind of 500kV transformer/reactor test connection bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450839B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089033A (en) * | 2017-12-29 | 2018-05-29 | 国网河北省电力有限公司衡水供电分公司 | High-voltage test of electrical equipment auxiliary connection device |
| CN106450839B (en) * | 2016-07-22 | 2019-06-21 | 国家电网公司 | A kind of 500kV transformer/reactor test connection bar |
| CN113197195A (en) * | 2021-04-27 | 2021-08-03 | 广东新电电力科技有限公司 | Small animal prevention device for overhead cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390223A (en) * | 1980-10-16 | 1983-06-28 | Zenex Corporation | Electrical connector |
| CN203690524U (en) * | 2014-02-11 | 2014-07-02 | 国家电网公司 | Test operating lever for outdoor high-voltage class transformer |
| CN204011800U (en) * | 2014-07-18 | 2014-12-10 | 国家电网公司 | A kind of earthing clamp and operating means thereof |
| CN104377469A (en) * | 2014-11-18 | 2015-02-25 | 国网河南省电力公司平顶山供电公司 | Aloft containing and taking device and method for aloft test wires of power system |
| CN204668502U (en) * | 2015-06-27 | 2015-09-23 | 国网山东省电力公司枣庄供电公司 | A kind of can be used for, is detected and the earthing clamp be connected fast |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450839B (en) * | 2016-07-22 | 2019-06-21 | 国家电网公司 | A kind of 500kV transformer/reactor test connection bar |
-
2016
- 2016-07-22 CN CN201610582727.4A patent/CN106450839B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390223A (en) * | 1980-10-16 | 1983-06-28 | Zenex Corporation | Electrical connector |
| CN203690524U (en) * | 2014-02-11 | 2014-07-02 | 国家电网公司 | Test operating lever for outdoor high-voltage class transformer |
| CN204011800U (en) * | 2014-07-18 | 2014-12-10 | 国家电网公司 | A kind of earthing clamp and operating means thereof |
| CN104377469A (en) * | 2014-11-18 | 2015-02-25 | 国网河南省电力公司平顶山供电公司 | Aloft containing and taking device and method for aloft test wires of power system |
| CN204668502U (en) * | 2015-06-27 | 2015-09-23 | 国网山东省电力公司枣庄供电公司 | A kind of can be used for, is detected and the earthing clamp be connected fast |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450839B (en) * | 2016-07-22 | 2019-06-21 | 国家电网公司 | A kind of 500kV transformer/reactor test connection bar |
| CN108089033A (en) * | 2017-12-29 | 2018-05-29 | 国网河北省电力有限公司衡水供电分公司 | High-voltage test of electrical equipment auxiliary connection device |
| CN113197195A (en) * | 2021-04-27 | 2021-08-03 | 广东新电电力科技有限公司 | Small animal prevention device for overhead cable |
| CN113197195B (en) * | 2021-04-27 | 2023-05-02 | 广东新电电力科技有限公司 | Small animal prevention device for overhead cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106450839B (en) | 2019-06-21 |
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