CN207910365U - One kind ± 400kV transmission line of electricity V-type list insulator string fixtures - Google Patents
One kind ± 400kV transmission line of electricity V-type list insulator string fixtures Download PDFInfo
- Publication number
- CN207910365U CN207910365U CN201721890480.9U CN201721890480U CN207910365U CN 207910365 U CN207910365 U CN 207910365U CN 201721890480 U CN201721890480 U CN 201721890480U CN 207910365 U CN207910365 U CN 207910365U
- Authority
- CN
- China
- Prior art keywords
- main body
- fixture
- plate
- card main
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Insulators (AREA)
Abstract
The utility model is related to a kind of power transmission lines overhauling tools, and in particular to one kind ± 400kV transmission line of electricity V-type list insulator string fixtures.To solve the problems, such as charged for replacement ± 400kV DC line V-type insulator chains, the fixture of the utility model of design, includes fixture and quadripartion yoke plate for clamping insulator chain, wherein, the card has two sets, is bolted component and connects into V-type with quadripartion yoke plate.The fixture have many advantages, such as light-weight, intensity is big, operation flexibly, will not damage wires, rapid operation, 1.2 times of ± 400kV overhead transmission line design requirements can be born.
Description
Technical field
The utility model is related to a kind of power transmission lines overhauling tools, and in particular to one kind ± 400kV transmission line of electricity V type lists
Insulator string fixture.
Background technology
Ultra-high-tension power transmission line is the important component of electric system, it to the safe and stable operation of electric system play to
Close important role.Livewire work is that a kind of uninterrupted operation is carried out on electrical equipment, it is to use safe and reliable method,
By special Work tool (insulating tool and nonisulated tool), in the case of equipment live, Maintenance and Repair are carried out to equipment,
It replaces component and eliminates the operation of defect, the quality of live working tools decides the safety and working efficiency of livewire work.
One of main service work content on transmission line of electricity is exactly that the maintenance to insulator is replaced, as China's power grid is built
If be gradually improved, extra high voltage network has become the trunk rack of China's electric power network, this also be operating maintenance work
More stringent requirements are proposed.
± 400kV DC power transmission lines have great importance for Qinghai-Tibet networking.Since ± 400kV is that China exists for the first time
The DC power transmission line that high altitude localities construction puts into operation, and so far, domestic unique ± 400kV DC transmission lines
The electrification of such voltage class transmission line of electricity is made due to its uniqueness and the particularity of residing geographical environment on road
Industry is ground though having carried out some experiments to safe spacing, operating type, power tool, safety protective tools and measure etc. both at home and abroad
Study carefully, but these results of study can not be copied mechanically simply in the circuit：First, environmental condition is different, it is currently responsible for O＆M maintenance
± 400kV circuits mostly in high altitude localities；Second is that line construction is different, in tower, tower head size, conducting wire and insulator
It has any different in configuration；Third, operating type and power tool are also different.It therefore, need to be in conjunction with the operating type and tool in China
Feature is studied.
Learnt by the factual survey of right ± 400kV DC transmission line routes, the circuit V-type list insulator string altogether there are four types of
Tonnage, respectively：16T、21T、30T、40T.Due to the insulator chain of different tonnages, a combination thereof gap difference is very big, it is difficult to
It is unified, therefore, different V-type list string fixtures can only be developed respectively according to the insulator of different tonnages.Currently, according to DC line
The particularity of tower structure, insulator connection type and hanging wire point, common fixture can not use on this circuit so that electrification is more
Changing ± 400kV DC line V type insulator chains becomes extremely difficult.
Utility model content
In order to solve the above technical problems, the utility model provides one kind ± 400kV transmission line of electricity V-type list insulator string cards
Tool.
One kind ± 400kV transmission line of electricity V-type list insulator string fixtures, include the fixture 1 and four for clamping insulator chain 3
Divide yoke plate 2, wherein the fixture 1 is bolted component and is connect with quadripartion yoke plate 2；The fixture 1 includes
Preceding card main body 11, rear card main body 12 and two groups of tightening devices 4；The tightening device 4 includes hydraulic screw rod 41, insulated soft pulling rod
42 and manual leading screw 43, preceding 11 one end of card main body connect with hydraulic screw rod 41 by bolt, the connection of the other end of hydraulic screw rod 41
Insulated soft pulling rod 42,42 other end of insulated soft pulling rod are connect with manual leading screw 43, the other end of manual leading screw 43 and rear card main body
12 one end connection；Preceding 11 other end of card main body connects another group of tightening device 4；The middle part of the preceding card main body 11 passes through
Bolt is connect with one end of insulator chain 3, and 3 other end of insulator chain is connect with the connecting hole of fan-shaped adjustment plate 5, fan-shaped adjustment plate
5 circular arc sides are equipped with several adjustment holes；The adjustment hole of 5 circular arc side of the sector adjustment plate connects the connection of 6 one end of parallel adjustment plate
The other end in hole, parallel adjustment plate 6 is equipped with several adjustment holes, and adjustment hole is connect by bolt with the middle part of rear card main body 12.
Further, the connecting hole in the fan-shaped adjustment plate 5 is positioned close at fan shape center.
Further, the fan-shaped adjustment plate 5 is elliptic sector plate；Each adjustment hole setting thereon is leaned in elliptic sector plate
At proximal edge, the distance of arc of each adjustment hole center to elliptic sector plate is identical.
The beneficial effects of the utility model：
(1) it is main material to select the titanium alloy that hardness is high, light-weight due to the fixture, when processing, using overall processing,
Welding, therefore, the fixture have many advantages, such as that light-weight, intensity is big, operation is flexible；
(2) direct lifting dogs main body when utilizing the fixture to replace insulator chain, such fixture will not damage wires, conducting wire
It will not occur bending and deformation, screw travel is short, easy to operate；
(3) power plant of the utility model fixture uses the mode that manual leading screw and hydraulic screw rod are combined, therefore
Conducting wire can easily be lifted very much when replacing insulator chain, than the mode rapid operation of traditional metal leading screw.
(4) 1.2 times of ± 400kV overhead transmission line design requirements can be born.
Description of the drawings
Fig. 1 the utility model one kind ± 400kV transmission line of electricity V-type list insulator string fixture operating diagrams.
Fig. 2 the utility model one kind ± 400kV transmission line of electricity V-type list insulator string fixture structure schematic diagrames.
In figure：1, fixture；11, preceding card main body；12, rear card main body；2, quadripartion yoke plate；3, insulator chain；4, tightening dress
It sets；41, hydraulic screw rod；42, insulated soft pulling rod；43, manual leading screw；5, fan-shaped adjustment plate；6, parallel adjustment plate.
Specific implementation mode
With reference to the accompanying drawings and examples to the utility model one kind ± 400kV transmission line of electricity V-type list insulator string fixtures
It is further described.
Embodiment 1
As shown in Figure 1 and Figure 2,
One kind ± 400kV transmission line of electricity V-type list insulator string fixtures, include the fixture 1 and four for clamping insulator chain 3
Divide yoke plate 2, wherein fixture 1 is bolted component and is connect with quadripartion yoke plate 2；Fixture 1 include preceding card main body 11, after
Card main body 12 and two groups of tightening devices 4, wherein tightening device 4 includes hydraulic screw rod 41, insulated soft pulling rod 42 and manual leading screw
43；Preceding 11 one end of card main body is connect by bolt with hydraulic screw rod 41, and the other end of hydraulic screw rod 41 connects insulated soft pulling rod 42,
42 other end of insulated soft pulling rod is connect with manual leading screw 43, and the other end of manual leading screw 43 is connect with one end of rear card main body 12；
Preceding 11 other end of card main body connects another group of tightening device 4；Wherein, the middle part of preceding card main body 11 passes through bolt and insulator chain 3
One end connection, 3 other end of insulator chain connect with the connecting hole of fan-shaped adjustment plate 5, and 5 circular arc side of fan-shaped adjustment plate is equipped with several
Adjustment hole；Connecting hole in fan-shaped adjustment plate 5 is positioned close at fan shape center, and fan-shaped adjustment plate 5 is elliptic sector plate, thereon
Each adjustment hole be arranged in elliptic sector plate close to edge, the distance of arc of each adjustment hole center to elliptic sector plate is identical；
The adjustment hole of 5 circular arc side of fan-shaped adjustment plate connects the connecting hole of 6 one end of parallel adjustment plate, is set on the other end of parallel adjustment plate 6
There are several adjustment holes, adjustment hole to be connect with the middle part of rear card main body 12 by bolt, the radian for adjusting conducting wire.
The fixture of embodiment 1 is first assembled into an entirety on ground, preceding card is led in then integral hoisting to setting
Body 11 is connected by bolt with the insulator chain hanging wire spot hole (or reserved construction hole) on quadripartion yoke plate 2, according to insulator
The length of string, card main body 12 is fixed appropriate location in fan-shaped adjustment plate 5 or parallel adjustment plate 6 with bolt by after.It is to be checked
After whole group fixture 1 firmly installs, adjustment hydraulic screw rod 41 to insulator chain can be torn open after adjusting manual leading screw 43 to fixture stress
Until unloading.After waiting for replacing insulator, after adjusting manual leading screw 43 to the complete off-load of fixture, manual leading screw 43 is adjusted to fixture
1 can remove, remove preceding card main body 11 and 2 connect bolt of quadripartion yoke plate, rear card main body 12 and fan-shaped adjustment plate 5 or
6 connected bolt of parallel adjustment plate, by the lifting of fixture 1 to ground, entire work is completed.Then same operating procedure carries out another
One side insulator chain more changes jobs.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (3)
1. one kind ± 400kV transmission line of electricity V-type list insulator string fixtures, including be used to clamp insulator chain (3) fixture (1) and
Quadripartion yoke plate (2), it is characterised in that：
The fixture (1) is bolted component and is connect with quadripartion yoke plate (2)；
The fixture (1) includes preceding card main body (11), rear card main body (12) and two groups of tightening devices (4)；
The tightening device (4) includes hydraulic screw rod (41), insulated soft pulling rod (42) and manual leading screw (43), preceding card main body
(11) one end is connect by bolt with hydraulic screw rod (41), the other end connection insulated soft pulling rod (42) of hydraulic screw rod (41), absolutely
Edge soft drawn stick (42) other end is connect with manual leading screw (43), one end of the other end of manual leading screw (43) and rear card main body (12)
Connection；Preceding card main body (11) other end connects another group of tightening device (4)；
The middle part of the preceding card main body (11) is connect by bolt with one end of insulator chain (3), insulator chain (3) other end
It is connect with the connecting hole of fan-shaped adjustment plate (5), fan-shaped adjustment plate (5) circular arc side is equipped with several adjustment holes；
The adjustment hole of described sector adjustment plate (5) circular arc side connects the connecting hole of parallel adjustment plate (6) one end, parallel adjustment plate
(6) the other end is equipped with several adjustment holes, and adjustment hole is connect by bolt with the middle part of rear card main body (12).
2. one kind ± 400kV transmission lines of electricity V-type list insulator string fixture according to claim 1, it is characterised in that：It is described
Fan-shaped adjustment plate (5) on connecting hole be positioned close at fan shape center.
3. one kind ± 400kV transmission lines of electricity V-type list insulator string fixture according to claim 1 or 2, it is characterised in that：
The fan-shaped adjustment plate (5) is elliptic sector plate；Each adjustment hole setting thereon is in elliptic sector plate close to edge, each tune
The distance of knothole center to the arc of elliptic sector plate is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721890480.9U CN207910365U (en) | 2017-12-29 | 2017-12-29 | One kind ± 400kV transmission line of electricity V-type list insulator string fixtures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721890480.9U CN207910365U (en) | 2017-12-29 | 2017-12-29 | One kind ± 400kV transmission line of electricity V-type list insulator string fixtures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910365U true CN207910365U (en) | 2018-09-25 |
Family
ID=63569410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721890480.9U Active CN207910365U (en) | 2017-12-29 | 2017-12-29 | One kind ± 400kV transmission line of electricity V-type list insulator string fixtures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910365U (en) |
-
2017
- 2017-12-29 CN CN201721890480.9U patent/CN207910365U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202395170U (en) | Parallel groove clamp powering device for live working of power transmission and distribution line | |
| CN105514877A (en) | Cross arm clamp for insulator replacement of steel pipe pole of common-tower double-circuit lines | |
| CN204789734U (en) | Electrician's utensil is tested to portable high pressure | |
| CN102820629B (en) | The method of charged for replacement drainage thread parallel groove clamp | |
| CN207910365U (en) | One kind ± 400kV transmission line of electricity V-type list insulator string fixtures | |
| CN103441445A (en) | 760kN disc-shaped insulator clamp | |
| CN203367880U (en) | 760kN disk-shaped insulator holder | |
| CN203103836U (en) | Clamping apparatus for +/-800 kV duplex double-wire-clamp V-shaped insulator string | |
| CN207884190U (en) | Overhead transmission line replacing linear insulator string under electrification back-up protection fixture | |
| CN205070178U (en) | Portable maintenance power supply box | |
| CN202797696U (en) | Diversion wire clamp of ground potential processing transformer device node heating device | |
| CN205846571U (en) | Overhead transmission line telescopic earth lead hanger bar | |
| CN109066469A (en) | A kind of generator car Quick access device for distribution network overhead line | |
| CN203813334U (en) | Right-angle yoke plate clamp for live exchange of 220 kV strain insulator string | |
| CN203813320U (en) | Tool for live exchange of 220 kV narrow base tower strain insulator string | |
| CN106877235B (en) | The general service kit in extra-high voltage strain insulator conducting wire side end and operating method | |
| CN208401405U (en) | 220kV conductors on quad bundled V-type replacing insulator string tool | |
| CN202794240U (en) | Lifting frame for voltage withstand test of insulating bar | |
| CN106207850B (en) | The operational method of charged for replacement holes duplex board linear insulator chain | |
| CN203813335U (en) | Triangular yoke plate clamp for live exchange of 220 kV strain insulator string | |
| CN112448312A (en) | Clamp for replacing insulator at quadruple end of extra-high voltage line and using method thereof | |
| CN204886008U (en) | Change large -tonnage wire insulator chain's traditional thread binding putting of carrying with electricity | |
| CN206673450U (en) | The general service kit in extra-high voltage strain insulator wire side end | |
| CN103825223A (en) | Tool and working method for live change of 220KV narrow base tower strain insulator string | |
| CN204230718U (en) | A kind of static contact isolation switch special tool for examination and repair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |