CN206673450U - The general service kit in extra-high voltage strain insulator wire side end - Google Patents
The general service kit in extra-high voltage strain insulator wire side end Download PDFInfo
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- CN206673450U CN206673450U CN201720218278.5U CN201720218278U CN206673450U CN 206673450 U CN206673450 U CN 206673450U CN 201720218278 U CN201720218278 U CN 201720218278U CN 206673450 U CN206673450 U CN 206673450U
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- card
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- 239000012211 strain insulator Substances 0.000 title claims abstract description 21
- 239000012212 insulator Substances 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000532412 Vitex Species 0.000 description 3
- 235000001667 Vitex agnus castus Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010015856 Extrasystoles Diseases 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model provides a kind of general service kit in extra-high voltage strain insulator wire side end, and it includes card, supporting rod and extension rod under insulator closed card；One end of supporting rod and one end of extension rod are connected with the both ends blocked under insulator closed card respectively so that card and extension rod form door shape under supporting rod, insulator closed card；The other end of supporting rod and the other end of extension rod are equipped with the through hole for being connected with hydraulic screw rod turnbuckle；Described supporting rod includes dividing bar, two panels clamping to be provided with elasticity adjusting mechanism between dividing bar for the clamping of two panels up and down of clamping end hanging wire yoke plate.The utility model can be applied to all end hanging wire yoke plates, realize general purpose, while cost-effective.
Description
Technical field
The utility model belongs to UHV transmission line maintenance field, and in particular to a kind of extra-high voltage strain insulator wire
The general service kit in side end.
Background technology
The chaste tree I lines operation of the 1000kV AC extra high voltage experiment and demonstration power transmission lines south of road is carried out more than 8 years in maintenance work
Multinomial service work.Compared to 500kV transmission lines of electricity, the design and structure change of extra high voltage line are obvious, and element significantly increases
Greatly, the tonnage of load Work tool is very big, it is necessary to development, ability are re-started to part maintenance craft and Work tool with new thinking
Ensure to complete service work safe efficiently.
For example the monolithic replacement operation project of the level insulation substring of anchor support, the hydraulic screw rod+titanium alloy for having maturation close
Formula card can use, but in restringing side end insulator, still without general end tool.Chinese patent
CN102545102A discloses a kind of 1000kV tension-proof horizontal isolator hot-line replacing devices, there is provided front ends card use titanium
Alloy upper and lower plates, upper and lower plates merging when in use, using the preformed hole on the hanging wire yoke plate of end, it is bolted fastening combination
Form.But because the end hanging wire yoke plate has a variety of, the size of preformed hole thereon, position not phase in a circuit
Different front ends cards is made with, it is necessary to coordinate, does not realize general purpose.
Utility model content
The technical problems to be solved in the utility model is：A kind of general inspection in extra-high voltage strain insulator wire side end is provided
Instrument is repaiied, all end hanging wire yoke plates can be applied to, realize general purpose, at the same it is cost-effective.
The utility model is to solve the technical scheme that above-mentioned technical problem is taken to be：A kind of extra-high voltage strain insulator leads to
With service kit, it is characterised in that：It includes card, supporting rod and extension rod under insulator closed card；One end of supporting rod and prolong
One end of stock is connected with the both ends blocked under insulator closed card respectively so that is blocked under supporting rod, insulator closed card and is extended
Bar forms door shape；The other end of supporting rod and the other end of extension rod are equipped with logical for what is be connected with hydraulic screw rod turnbuckle
Hole；
Described supporting rod includes dividing bar for the clamping of two panels up and down of clamping end hanging wire yoke plate, two panels clamping divide bar it
Between be provided with elasticity adjusting mechanism.
By such scheme, the inner side blocked under insulator closed card is provided with for being caught in the bigeminy being connected with end hanging wire yoke plate
The locating slot of plate；The inner side blocked under insulator closed card is located at the same side with extension rod and supporting rod.
By such scheme, described elasticity adjusting mechanism is adjusting nut.
By such scheme, the equal length of described supporting rod and extension rod.
The operating method of the described general service kit of extra-high voltage strain insulator, it is characterised in that：It includes following step
Suddenly：
S1, preparation：Clear up end hanging wire yoke plate and duplex plate；By the described general service kit of extra-high voltage strain insulator
It is lifted to correct position；
S2, installation：Bar is divided to clamp end hanging wire yoke plate using 2 clampings, and card and bigeminy under insulator closed card
Plate mutually props up, and clamp supporting rod by elasticity adjusting mechanism is relatively fixed with end hanging wire yoke plate；The other end of supporting rod
Hydraulic screw rod turnbuckle is connected respectively with the other end of extension rod.
By aforesaid operations method, in described S1, if there is grading ring mounting rod on duplex plate, grading ring mounting rod is torn open
Fall.
By aforesaid operations method, the inner side blocked under insulator closed card is provided with for being caught in what is be connected with end hanging wire yoke plate
The locating slot of duplex plate；
In described S2, duplex plate is caught in described locating slot.
The beneficial effects of the utility model are：
1st, by using with card identical structure under existing insulator closed card as end card, and by supporting rod by end
Portion's hanging wire yoke plate clamps fixation, and because all end hanging wire yoke plate profiles are identicals, therefore the utility model device can
Suitable for all end hanging wire yoke plates, general purpose is realized；Compared to existing connected mode, its stress section has increased
Greatly, the effect of stress is improved；One group of supporting rod of configuration and extension rod in addition are only needed simultaneously, reduce maintenance teams and groups work
Have the type and quantity of configuration, and blocking under insulator closed card can inherently make as blocking under common insulator closed card
With, the purpose of dual-use material is realized, it is cost-effective.
2nd, locating slot is opened up by the inner side blocked under insulator closed card, can be more firm when coordinating with duplex plate
Gu play anti-skidding effect.
Brief description of the drawings
Fig. 1 is the using state structure diagram of the embodiment of the utility model one.
Fig. 2 is Fig. 1 A direction views.
Fig. 3 is Fig. 1 B direction views.
Fig. 4 is Fig. 1 C direction views.
Fig. 5 is the scheme of installation of the embodiment of the utility model one.
In figure：Block under 1- insulator closed cards, 1-1- locating slots, 2- supporting rods, 2-1- through holes, 2-2- clampings divide bar, 3-
Extension rod, 3-1- through holes, 4- ends hanging wire yoke plate, 5- duplex plates, 6- insulators, 7- wires, 8- elasticity adjusting mechanisms, 9- hydraulic pressure
Screw mandrel turnbuckle, block on 10- insulator closed cards.
Embodiment
The utility model is described further with reference to instantiation and accompanying drawing.
As shown in Figures 1 to 5, on ultra-high voltage tension tower, the anchor support horizontal insulator string being made up of insulator 6 passes through
End hanging wire yoke plate 4 and duplex plate 5 are connected with wire 7, and each insulator 6 is to need to bear certain power, it is desirable to is changed
Some insulator 6 therein, it is necessary to which other parts bear certain power to replace insulator to be replaced to go.This practicality is new
Type provides a kind of general service kit of extra-high voltage strain insulator, and it includes card 1 under insulator closed card, supporting rod 2 and extended
Bar 3；The both ends of one end of supporting rod 2 and one end of extension rod 3 respectively with card 1 under insulator closed card are connected so that supporting rod
2nd, card 1 and extension rod 3 form door shape under insulator closed card；The other end of supporting rod 2 and the other end of extension rod 3 are equipped with
For the through hole 2-1 and 3-1 being connected with hydraulic screw rod turnbuckle 9；Described supporting rod 2 includes being used for clamping end hanging wire yoke plate
4 clamping of two panels up and down divides bar 2-2, two panels clamping to be provided with elasticity adjusting mechanism 8 between dividing bar 2-2.
Preferably, the inner side of card 1 is provided with for being caught in the duplex plate being connected with end hanging wire yoke plate 4 under insulator closed card
5 locating slot 1-1；The inner side of card 1 is located at the same side with extension rod 3 and supporting rod 2 under insulator closed card.
It is further preferred that described elasticity adjusting mechanism 8 is adjusting nut.
In the present embodiment, the equal length of described supporting rod 2 and extension rod 3.
The operating method of the described general service kit of extra-high voltage strain insulator, it comprises the following steps：
S1, preparation：Clear up end hanging wire yoke plate 4 and duplex plate 5；By the described general check man of extra-high voltage strain insulator
Tool is lifted to correct position；If there is grading ring mounting rod on duplex plate 5, grading ring mounting rod is dismantled.
S2, installation：Divide bar 2-2 to clamp end hanging wire yoke plate 4 using 2 clampings, and under insulator closed card card 1 with
The phase of duplex plate 5 props up, and clamp supporting rod 2 by elasticity adjusting mechanism 8 is relatively fixed with end hanging wire yoke plate 4；Supporting rod 2
The other end and the other end of extension rod 3 connect hydraulic screw rod turnbuckle 9 respectively.
The inner side of card 1 is provided with the positioning for being used for being caught in the duplex plate 5 being connected with end hanging wire yoke plate 4 under insulator closed card
Groove 1-1；In described S2, duplex plate 5 is caught in described locating slot 1-1, due to blocking 1 under duplex plate 5 and insulator closed card
For orthogonal state, increase locating slot 1-1 can play anti-skidding effect.
The replacing insulator method realized using the described general service kit of extra-high voltage strain insulator, it includes following
Step：
S1, preparation：Clear up end hanging wire yoke plate 4 and duplex plate 5；By the described general check man of extra-high voltage strain insulator
The upper card of tool, hydraulic screw rod turnbuckle and insulator closed card is lifted to correct position；If there is grading ring installation on duplex plate 5
Bar, then grading ring mounting rod is dismantled.
S2, installation：As shown in figure 5,
Side of wire：Divide bar 2-2 to clamp end hanging wire yoke plate 4 using 2 clampings, and under insulator closed card card 1 with
The phase of duplex plate 5 props up, and clamp supporting rod 2 by elasticity adjusting mechanism 8 is relatively fixed with end hanging wire yoke plate 4；Supporting rod 2
The other end and the other end of extension rod 3 connect hydraulic screw rod turnbuckle 9 respectively；
Insulator side：Card 10 on insulator closed card is blocked into the adjacent insulator of insulator wire side direction to be replaced,
The both ends of card 10 connect hydraulic screw rod turnbuckle 9 respectively on insulator closed card；
The inner side of card 1 is provided with the positioning for being used for being caught in the duplex plate 5 being connected with end hanging wire yoke plate 4 under insulator closed card
Groove 1-1；In described S2, duplex plate 5 is caught in described locating slot 1-1.
S3, change insulator：Card 10, hydraulic screw rod turnbuckle 9 and extra-high voltage strain insulator lead on insulator closed card
A frame shape is formed with service kit, hydraulic screw rod turnbuckle 9 is tightened up, then can share the power of insulator to be replaced, until
Insulator to be replaced pitches when can remove, and stops stringing, removes insulator to be replaced, change new insulator；
S4, dismounting：Hydraulic screw rod turnbuckle 9 is unclamped, recovers the normal stress of wire, removes hydraulic screw rod turnbuckle 9, insulation
Card 10 and the general service kit of extra-high voltage strain insulator and let-down are to ground on sub- closed fixture.
By taking the chaste tree I lines of the 1000kV AC extra high voltage experiment and demonstration power transmission lines south of road as an example, using horizontal double insulator string by
Power structure, side of wire are connected 2 wires of each extension of 4 pieces of triangles using trapezoidal end hanging wire yoke plate, form 8 split conductors
Strain insulator hanging wire.Tower body side is connected using U-bolt+adjustment version+adjustable plate+towing plate with insulator chain.Southern chaste tree I lines exchange is special
Ultra-high-tension power transmission line uses 8x500 bundle conductor configurations, anchor support hanging wire tension force, is 22T in corresponding averagely operation stress, examines
Consider certain headroom, it is rational, acceptable to carry out reduction and related Mechanics Calculation according to 24 tons.Two string strain insulators are exhausted
Edge average force considers that making corresponding load shifts Work tool by 12T, and the utility model is completely applicable.
The horizontal insulator string of anchor support is 55T glass insulators, model U550B/240T, a diameter of 375mm of full skirt,
Two insulator string spacing 600mm, therefore space is 225mm between two strings, this space is available for installing hydraulic screw rod turnbuckle.Utilize
Card 1 is used as end card under insulator closed card, and so on the premise of intensity can guarantee that, the end card can simultaneously serve as commonly
Insulator closed card under card 1 use, realize the purpose of dual-use material, reduce tool kind.Briefly, exactly insulating
The top surface relevant position of card 1 opens up anti-slip positioning groove under sub- closed fixture, is used as end card.Calculated by Mechanics of Machinery, by
It is not symmetrical in slotting position, and the intensity of end card is reduced after slotting, it is therefore necessary to is accordingly strengthened.Method be
Block under insulator closed card 1 structure height it is constant on the premise of, increase locating slot 1-1 cross section, improve its bending strength.Separately
Outside, supporting rod 2 employs the mode of two-sided double team duplex plate 5, it can be ensured that blocks 1 and insulator closed card under insulator closed card
Upper card 10 is in same plane stress.
The end card has borrowed the foundation structure form blocked under common insulator closed card it can be seen from described above,
It is fixed on 2 pieces of duplex plates of mounting wire, by blocking 10 on extension rod 3 and hydraulic screw rod turnbuckle 9 and insulator closed card
Connection supports the use, and carries out overhang insulation and changes, overhauls.Compared to blocking under common insulator closed card, its stress section has
Increased.When in end, card cloth is put, any string in the interior string of outside two, side of wire articulation structure specular, therefore another
Side is in use, only need end card rotating horizontally 180 degree arrangement.Obviously, the reason for the type end cacaine fixed position,
It is completely general in the circuit, and because it is based on the structure blocked under common insulator closed card, can be also used as common
Block under insulator closed card and use, reduce the type and quantity of maintenance teams and groups instrument configuration, realize the purpose of dual-use material.
Above example is merely to illustrate design philosophy and feature of the present utility model, in the art its object is to make
Technical staff can understand content of the present utility model and implement according to this, and the scope of protection of the utility model is not limited to above-mentioned implementation
Example.So equivalent variations that all principle, mentalities of designing according to disclosed in the utility model are made or modification, in this practicality
Within new protection domain.
Claims (4)
- A kind of 1. general service kit in extra-high voltage strain insulator wire side end, it is characterised in that：It includes insulator enclosed Card lower card, supporting rod and extension rod；One end of supporting rod and one end of extension rod both ends with blocking under insulator closed card respectively Connection so that card and extension rod form door shape under supporting rod, insulator closed card；The other end of supporting rod and extension rod it is another One end is equipped with the through hole for being connected with hydraulic screw rod turnbuckle；Described supporting rod includes dividing bar, two panels clamping to set between dividing bar for the clamping of two panels up and down of clamping end hanging wire yoke plate There is elasticity adjusting mechanism.
- 2. the general service kit in extra-high voltage strain insulator wire side end according to claim 1, it is characterised in that：Absolutely The inner side blocked under edge closed fixture is provided with the locating slot for being used for being caught in the duplex plate being connected with end hanging wire yoke plate；Insulator enclosed The inner side of the lower card of card is located at the same side with extension rod and supporting rod.
- 3. the general service kit in extra-high voltage strain insulator wire side end according to claim 1, it is characterised in that：Institute The elasticity adjusting mechanism stated is adjusting nut.
- 4. the general service kit in extra-high voltage strain insulator wire side end according to claim 1, it is characterised in that：Institute The supporting rod and the equal length of extension rod stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218278.5U CN206673450U (en) | 2017-03-07 | 2017-03-07 | The general service kit in extra-high voltage strain insulator wire side end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218278.5U CN206673450U (en) | 2017-03-07 | 2017-03-07 | The general service kit in extra-high voltage strain insulator wire side end |
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| Publication Number | Publication Date |
|---|---|
| CN206673450U true CN206673450U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720218278.5U Active CN206673450U (en) | 2017-03-07 | 2017-03-07 | The general service kit in extra-high voltage strain insulator wire side end |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877235A (en) * | 2017-03-07 | 2017-06-20 | 国家电网公司 | The extra-high voltage general service kit of strain insulator wire side end and operating method |
-
2017
- 2017-03-07 CN CN201720218278.5U patent/CN206673450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877235A (en) * | 2017-03-07 | 2017-06-20 | 国家电网公司 | The extra-high voltage general service kit of strain insulator wire side end and operating method |
| CN106877235B (en) * | 2017-03-07 | 2018-06-22 | 国家电网公司 | The general service kit in extra-high voltage strain insulator conducting wire side end and operating method |
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