CN207926063U - One kind ± 400kV transmission line of electricity V-type double insulator string fixtures - Google Patents
One kind ± 400kV transmission line of electricity V-type double insulator string fixtures Download PDFInfo
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- CN207926063U CN207926063U CN201721683206.4U CN201721683206U CN207926063U CN 207926063 U CN207926063 U CN 207926063U CN 201721683206 U CN201721683206 U CN 201721683206U CN 207926063 U CN207926063 U CN 207926063U
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- fixture
- insulator string
- electricity
- yoke plate
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Abstract
The utility model is related to a kind of power transmission lines overhauling tools, more particularly to one kind ± 400kV transmission line of electricity V-type double insulator string fixtures, including the first fixture (1) and the second fixture (2), one end of first fixture (1) is connected to yoke plate one (4), the other end connects hydraulic screw rod (5), and the other end of hydraulic screw rod (5) is connected with the first connector (7)；The other end of first connector (7) is connect with tightening device (9), and the other end of tightening device (9) connects the second connector (8)；The other end connection adjusting screw (6) of second connector (8), the other end of adjusting screw (6) is connected with the second fixture (2), the other end of second fixture (2) is connected to yoke plate two (10), connecting insulator string (3) between yoke plate one (4) and yoke plate two (10)；The fixture structure is simple, light-weight, flexible and convenient operation, time saving and energy saving, has filled up the blank of ± 400kV DC lines maintenance Work tool.
Description
Technical field
The utility model is related to a kind of power transmission lines overhauling tools, and in particular to the double strings of one kind ± 400kV transmission lines of electricity V-type
Insulator clamp apparatus.
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.
± 400kV bavins draw DC power transmission line to have great importance Qinghai-Tibet networking.So far, it is domestic unique
One ± 400kV DC power transmission line, due to its uniqueness and the particularity of residing geographical environment, for such voltage
The livewire work of grade transmission line of electricity, both at home and abroad to safe spacing, operating type, power tool, safety protective tools and measure
Deng though some experimental studies have been carried out, these results of study can not be copied mechanically simply in the circuit：First, environmental condition is not
Equally, ± 400kV the circuits of O＆M maintenance are currently responsible for mostly in high altitude localities；Second is that line construction is different, tower,
It has any different in tower head size, conducting wire and insulator configuration；Third, operating type and power tool are also different.Therefore, it needs to tie
The operating type and tool feature for closing China are studied.
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.
Currently, according to DC line tower structure, the particularity of insulator connection type and hanging wire point, fixture is commonly used herein
It can not be used on circuit so that charged for replacement ± 400kV DC line V-type insulator chains become extremely difficult.
Utility model content
The utility model technical issues that need to address are to provide one kind ± 400kV transmission line of electricity V-type double insulator string cards
Tool.
In order to solve the above technical problems, technical solution adopted in the utility model is：
One kind ± 400kV transmission line of electricity V-type double insulator string fixtures, including the first fixture 1 and the second fixture 2, feature
It is：
One end of first fixture 1 is bolted to yoke plate 1, and the other end connects hydraulic screw rod 5, hydraulic screw rod
5 other end is connected with the first connector 7；
The other end of first connector 7 is connect with tightening device 9, the second connection of other end connection of tightening device 9
Device 8；
The other end of second connector 8 connects adjusting screw 6, the other end of adjusting screw 6 and 2 phase of the second fixture
Even, the other end of the second fixture 2 is bolted to yoke plate 2 10；
Connecting insulator string 3 between the yoke plate 1 and yoke plate 2 10.
Further, the hydraulic screw rod 5 and the first fixture 1 are bolted.
Further, the adjusting screw 6 and the second fixture 2 are bolted.
Further, the tightening device 9 is insulated soft pulling rod.
Further, first fixture, 1 and second fixture 2 is symmetrically disposed on the both ends of insulator chain 3.
Further, the insulator chain 3 is double insulator string string.
Further, the top through-hole of the fixture and quadripartion yoke plate 11 is bolted.
Compared with prior art, one kind ± 400kV transmission lines of electricity double insulator string V-type fixture tool provided by the utility model
It has the following effects：
(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) yoke plate is directly promoted when utilizing the fixture to replace insulator chain, such fixture will not hurt conducting wire, and conducting wire will not
It occurs bending and deformation, screw travel is short, easy to operate；
(3) power plant of the utility model fixture uses the mode that leading screw and hydraulic screw rod are combined, therefore more
Yoke plate, rapid operation can be easily promoted very much when changing insulator chain.
In conclusion fixture provided by the utility model has, simple in structure, light-weight, intensity is big, flexible and convenient operation,
The advantages that time saving and energy saving.
Description of the drawings
Fig. 1 is the utility model fixture working state structure schematic diagram.
Fig. 2 is the utility model fixture structure schematic diagram.
In figure, 1 is the first fixture；2 be the second fixture；3 be insulator chain；4 be yoke plate one；5 be hydraulic screw rod；6 be to adjust
Save leading screw；7 be the first connector；8 be the second connector；9 be tightening device；10 be yoke plate two；11 be quadripartion yoke plate.
Specific implementation mode
To make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and implement
Example is described in further detail specific embodiment of the present utility model, and the following examples illustrate the utility model, but
It is not intended to limit the scope of the present invention.
Embodiment 1
The present embodiment provides the structures of one kind ± 400kV transmission line of electricity V-type double insulator string fixtures.
As shown in Fig. 2, the present embodiment provides one kind ± 400kV transmission line of electricity V-type double insulator string fixtures, including the first card
Tool 1 and the second fixture 2, wherein the first fixture 1 and the second fixture 2 select hardness height, light-weight titanium alloy material to be made, and add
Working hour overall processing, welding.
One end of first fixture 1 is bolted to yoke plate 1, and the other end connects hydraulic screw rod 5,5 He of hydraulic screw rod
First fixture 1 is bolted, and the other end of hydraulic screw rod 5 is connected with the first connector 7；
The other end of first connector 7 is connect with tightening device 9, and the other end of tightening device 9 connects the second connector 8；
The other end of second connector 8 connects adjusting screw 6, and adjusting screw 6 and the second fixture 2 are bolted；Adjusting screw 6
The other end is connected with the second fixture 2, and the other end of the second fixture 2 is bolted to yoke plate 2 10；
Double insulator string string 3 is connected between yoke plate 1 and yoke plate 2 10, the first fixture 1 and the second fixture 2 are symmetrically disposed on
The both ends of double insulator string string 3.
The utility model fixture, tightening device 9 are insulated soft pulling rod.
In use, the top through-hole of above-mentioned fixture and quadripartion yoke plate 11 is bolted.
Embodiment 2
One kind ± 400kV transmission lines of electricity V-type double insulator string fixture provided by the utility model, application method are as follows：
As shown in Fig. 2, one end of the first fixture 1 is bolted to yoke plate 1, the other end connects hydraulic screw rod 5, liquid
Silk pressing thick stick 5 and the first fixture 1 are bolted, and the other end of hydraulic screw rod 5 is connected with the first connector 7；
The other end of first connector 7 is connect with tightening device 9, and the other end of tightening device 9 connects the second connector 8；
The other end of second connector 8 connects adjusting screw 6, and adjusting screw 6 and the second fixture 2 are bolted；Adjusting screw 6
The other end is connected with the second fixture 2, and the other end of the second fixture 2 is bolted to yoke plate 2 10；
As shown in Figure 1, above-mentioned fixture is bolted on respectively on quadripartion yoke plate 11, one is formed completely
" V " type fixture.
In use, tightening adjusting screw 6 or start hydraulic screw rod 5, make between the first fixture 1 and the second fixture 2 tighten with
This tightens insulator chain 3；It unclamps adjusting screw 6 or starts hydraulic screw rod 5, wait for two insulator chains 3 while relaxation, there is no
After tension, you can carry out the replacement of insulator chain.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (7)
1. one kind ± 400kV transmission line of electricity V-type double insulator string fixtures, including the first fixture (1) and the second fixture (2), special
Sign is：
One end of first fixture (1) is bolted to yoke plate one (4), and the other end connects hydraulic screw rod (5), hydraulic pressure silk
The other end of thick stick (5) is connected with the first connector (7)；
The other end of first connector (7) is connect with tightening device (9), and the other end connection second of tightening device (9) connects
Connect device (8)；
The other end connection adjusting screw (6) of second connector (8), the other end and the second fixture (2) of adjusting screw (6)
It is connected, the other end of the second fixture (2) is bolted to yoke plate two (10)；
Connecting insulator string (3) between the yoke plate one (4) and yoke plate two (10).
2. one kind ± 400kV transmission lines of electricity V-type double insulator string fixture according to claim 1, it is characterised in that：It is described
Hydraulic screw rod (5) and the first fixture (1) are bolted.
3. one kind ± 400kV transmission lines of electricity V-type double insulator string fixture according to claim 1, it is characterised in that：It is described
Adjusting screw (6) and the second fixture (2) are bolted.
4. one kind ± 400kV transmission lines of electricity V-type double insulator string fixture according to claim 1, it is characterised in that：It is described
Tightening device (9) is insulated soft pulling rod.
5. one kind ± 400kV transmission lines of electricity V-type double insulator string fixture according to claim 1, it is characterised in that：It is described
First fixture (1) and the second fixture (2) are symmetrically disposed on the both ends of insulator chain (3).
6. one kind ± 400kV transmission lines of electricity V-type double insulator string fixture according to claim 1, it is characterised in that：It is described
Insulator chain (3) is double insulator string.
7. one kind ± 400kV transmission lines of electricity V-type double insulator string fixture according to claim 1, it is characterised in that：By institute
The top through-hole for stating fixture and quadripartion yoke plate (11) is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683206.4U CN207926063U (en) | 2017-12-06 | 2017-12-06 | One kind ± 400kV transmission line of electricity V-type double insulator string fixtures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683206.4U CN207926063U (en) | 2017-12-06 | 2017-12-06 | One kind ± 400kV transmission line of electricity V-type double insulator string fixtures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926063U true CN207926063U (en) | 2018-09-28 |
Family
ID=63606436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721683206.4U Active CN207926063U (en) | 2017-12-06 | 2017-12-06 | One kind ± 400kV transmission line of electricity V-type double insulator string fixtures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926063U (en) |
-
2017
- 2017-12-06 CN CN201721683206.4U patent/CN207926063U/en active Active
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