CN207098445U - 500kV compact transmission lines are with carrying the Line tool - Google Patents
500kV compact transmission lines are with carrying the Line tool Download PDFInfo
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- CN207098445U CN207098445U CN201720962588.8U CN201720962588U CN207098445U CN 207098445 U CN207098445 U CN 207098445U CN 201720962588 U CN201720962588 U CN 201720962588U CN 207098445 U CN207098445 U CN 207098445U
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- line
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims 1
- 239000012212 insulator Substances 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model discloses a kind of 500kV compact transmission lines with the Line tool is carried, it includes a pair of cross-arm side checkposts and the telescopic component being connected between two cross-arm side checkposts, and the lower section of each cross-arm side checkpost is connected with tension assembly in turn and carries line component；The cross-arm side checkpost is L-type card, and the vertical section of cross-arm side checkpost is provided with cross-arm neck, horizontal segment provided with the vertical passageway for being used to install tension assembly.By two cross-arm side checkposts respectively with corresponding tension assembly and carrying line component and connecting as one during use, then two cross-arm side checkposts are stuck on corresponding cross-arm respectively by cross-arm neck thereon respectively, adjusting the telescopic component between two cross-arm side checkposts again makes two cross-arm side checkposts be clamped in respectively on corresponding cross-arm, this connected mode can make two cross-arm side checkpost uniform forces, be easy to the development of subsequent job step；Finally wire, which is hung on, to carry controls tension assembly tensioning to carry out replacing insulator after completing the transfer of load on line component.
Description
Technical field
It the utility model is related to a kind of stringing instrument used for transmission line, more particularly to a kind of 500kV compact transmission lines
With carrying the Line tool.
Background technology
With the expansion of power network scale, using common-tower double-return or multiple-loop line transmission line of electricity by as China's power grid construction
Development trend.And compared with conventional double back transmission line, the vertically aligned transmission line of electricity arrangement of 500kV common-tower double-returns is more tight
Gather, effectively improve natural transmission power, reduce line corridor width, reduce circuit comprehensive cost, application prospect is very wide.Tightly
The type transmission line of electricity of gathering, which refers to take, reduces the change circuit geometry such as phase spacing, optimization arrangements of conductors, increase phase split conductor radical
The method of structure.Compact transmission line improves circuit in the case where not improving transmission voltage grade and not increasing circuit time said conditions
Conveying capacity and saving line corridor take up an area, and increase substantially the utilization rate of unit corridor width.
But due to 500kV compact transmission lines, the Line tool turriform is extremely special with carrying, and traditional carries the Line tool by drawing
Rod, screw mandrel, line component and cross-arm side fixture composition are carried, during tightening up and loosening screw mandrel, realize the transfer of load.It is this
Mode is not applied for 500kV compact transmission lines, and main cause has：1st, when traditional approach carries out load transfer, cross-arm side
Fixture is arranged on cross-arm lower plane, and after installing screw mandrel on cross-arm card, screw mandrel can take a part of space, and screw mandrel and without cease
Edge, cause safe distance compacter；2nd, pull-rod in traditional load transfer instrument, to carry line component extremely heavy, and operation on tower
Personnel's working space is limited, and operation intensity is big, is not particularly suited for window more narrow compact transmission line in itself.Particularly
When six-multiple conductor changes insulator, not a kind of particularly suitable instrument.
Utility model content
The purpose of this utility model is to provide a kind of completion 500kV compact transmission lines insulation that can be simple and convenient
What son was changed carries the Line tool.
For this 500kV compact transmission lines provided by the utility model with the Line tool is carried, it includes a pair of cross arm lateral sides
The telescopic component for blocking and being connected between two cross-arm side checkposts, the lower section of each cross-arm side checkpost be connected with turn tension assembly and
Carry line component；The cross-arm side checkpost is L-type card, and the vertical section of cross-arm side checkpost is provided with provided with cross-arm neck, horizontal segment to be used for
The vertical passageway of tension assembly is installed.
The cross section of the vertical passageway is U-shaped, and the side wall top of its both sides is equipped with the U-type groove of opening upwards.
The telescopic component includes arm-tie, expansion screw and the U-shaped seat that both are connected as a single entity, the path section of expansion screw
The end plate for being connected with the cross-arm side checkpost is fixed with outside, bigger diameter end connected with U-shaped seat.
The tension assembly includes lifting screw, fixing nut and pull bar, and fixing nut is installed on institute by the U-type groove
State the top of vertical passageway, one end of lifting screw is connected with pull bar, the other end is stretched out outside fixing nut, the other end of pull bar with
The line component that carries is connected.
The micro-adjusting mechanism for carrying line component and including thread-lifting hook and being connected on thread-lifting hook, thread-lifting hook include hook main body and company
Be connected in hook main body it is multiple carry line arm, the outer end for carrying line arm is the arc opening for being matched with wire.
The centre bore vertically penetrated is provided with the hook main body, the micro-adjusting mechanism includes being fixed under hook main body
Nut outside centre bore and through centre bore and the fine setting screw rod of nut.
The thread-lifting hook includes hook main body and be connected in hook main body six carry line arm.
Rotary handle is cased with outside the expansion screw.
Rotary handle is cased with outside the lifting screw.
The fine setting screw jacket has rotary handle.
The utility model when in use by two cross-arm side checkposts respectively with corresponding tension assembly and carry line component connection
It is integrated, is then stuck in two cross-arm side checkposts on corresponding cross-arm respectively by cross-arm neck thereon respectively, then adjust two
Telescopic component between individual cross-arm side checkpost makes two cross-arm side checkposts be clamped in respectively on corresponding cross-arm, this connected mode
Two cross-arm side checkpost uniform forces can be made, be easy to the development of subsequent job step；Finally wire is hung on and carried on line component
Control tension assembly tensioning can carry out replacing insulator after completing the transfer of load.
Brief description of the drawings
Fig. 1 is the use state axle side schematic diagram of one preferred embodiment of the utility model.
Fig. 2 is Fig. 1 main view enlarged diagram.
Illustrate sequence number：
1-cross-arm side checkpost, 2-telescopic component, 3-tension assembly, 4-carrying line component, 5-rotary handle, 11-are erected
Straight section, 12-horizontal segment, 21-arm-tie, 22-expansion screw, 23-U-shaped seat, 31-lifting screw, 32-fixing nut,
33-pull bar, 41-thread-lifting hook, 42-micro-adjusting mechanism, 411-hook main body, 412-carry line arm, 421-fine-tuning nut, 422-
Finely tune screw rod.
Embodiment
As shown in Figure 1 and Figure 2, with the Line tool is carried, it includes this 500kV compact transmission lines that the present embodiment provides
A pair of cross-arm side checkposts 1 and the telescopic component 2 being connected between two cross-arm side checkposts, the lower section of each cross-arm side checkpost connect successively
It is connected to tension assembly 3 and carries line component 4.
Cross-arm side checkpost 1 is L-type card, and the vertical section 11 of cross-arm side checkpost is provided with provided with cross-arm neck, horizontal segment 12 to be used for
The vertical passageway of tension assembly is installed, the cross section of vertical passageway is U-shaped, and the side wall top of its both sides is equipped with opening upwards
U-type groove.
Telescopic component 2 includes arm-tie 21, expansion screw 22 and the U-shaped seat 23 that both are connected as a single entity, expansion screw it is small
Footpath section and U-shaped seat are connected, end plate for being connected with the cross-arm side checkpost is fixed with outside bigger diameter end.
Tension assembly 3 includes lifting screw 31, fixing nut 32 and pull bar 33, and fixing nut 32 is installed on by U-type groove
The top of vertical passageway, one end of lifting screw are connected with pull bar, outside other end stretching fixing nut, and the other end of pull bar is with carrying
Line component is connected.
Carrying line component 4 includes thread-lifting hook 41 and the micro-adjusting mechanism 42 being connected on thread-lifting hook, and thread-lifting hook 41 includes hook main body
411 and be connected in hook main body six carry line arm 412, the outer end for carrying line arm is provided with the arc opening for being matched with wire.Hook main body
It is interior provided with the centre bore vertically penetrated, micro-adjusting mechanism 42 includes being fixed on the fine setting spiral shell under hook main body outside centre bore
Mother 421 and through centre bore and the fine setting screw rod 422 of nut, the fine setting of thread-lifting hook can be realized by micro-adjusting mechanism so as to improve
Respectively carry the connection reliability of line arm and each wire.
Rotary handle 5 is cased with outside expansion screw, lifting screw and fine setting screw rod simultaneously, in order to improve operation just
Victory.
When changing insulator to six-multiple conductor with the present embodiment：First by two cross-arm side checkposts respectively with it is corresponding
Tension assembly and carry line component and connect as one；Secondly two cross-arm side checkposts are stuck in respectively by cross-arm neck thereon respectively
On corresponding cross-arm；Then the telescopic component adjusted between two cross-arm side checkposts makes two cross-arm side checkposts be clamped in phase respectively
On the cross-arm answered, this connected mode can make two cross-arm side checkpost uniform forces, be easy to the development of subsequent job step；Most
Wire, which is hung on, afterwards to carry controls tension assembly tensioning to carry out replacing insulator, this mistake after completing the transfer of load on line component
The position of thread-lifting hook can also be adjusted in journey with trimming assembly, to ensure reliability that thread-lifting hook and each wire hook together.
Claims (10)
1. a kind of 500kV compact transmission lines are with carrying the Line tool, it is characterised in that：It includes a pair of cross-arm side checkposts and connection
Telescopic component between two cross-arm side checkposts, the lower section of each cross-arm side checkpost are connected with tension assembly in turn and put forward line group
Part；The cross-arm side checkpost is L-type card, and the vertical section of cross-arm side checkpost is provided with cross-arm neck, horizontal segment and opened provided with installation is used for
The vertical passageway of tight component.
2. 500kV compact transmission lines according to claim 1 are with carrying the Line tool, it is characterised in that：It is described vertical logical
The cross section in road is U-shaped, and the side wall top of its both sides is equipped with the U-type groove of opening upwards.
3. 500kV compact transmission lines according to claim 1 are with carrying the Line tool, it is characterised in that：Described flexible group
Part includes arm-tie, expansion screw and the U-shaped seat that both are connected as a single entity, and the path section of expansion screw is connected with U-shaped seat, bigger diameter end
The outer end plate being fixed with for being connected with the cross-arm side checkpost.
4. 500kV compact transmission lines according to claim 2 are with carrying the Line tool, it is characterised in that：The tensioning group
Part includes lifting screw, fixing nut and pull bar, and fixing nut is installed on the top of the vertical passageway by the U-type groove,
One end of lifting screw is connected with pull bar, the other end is stretched out outside fixing nut, and the other end of pull bar is connected with the line component that carries.
5. 500kV compact transmission lines according to claim 1 are with carrying the Line tool, it is characterised in that：It is described to put forward line group
Part includes thread-lifting hook and the micro-adjusting mechanism being connected on thread-lifting hook, and thread-lifting hook includes hook main body and is connected to multiple in hook main body
Line arm is carried, the outer end for carrying line arm is the arc opening for being matched with wire.
6. 500kV compact transmission lines according to claim 5 are with carrying the Line tool, it is characterised in that：The hook main body
It is interior provided with the centre bore vertically penetrated, the micro-adjusting mechanism includes being fixed on the nut under hook main body outside centre bore
With the fine setting screw rod through centre bore and nut.
7. 500kV compact transmission lines according to claim 5 are with carrying the Line tool, it is characterised in that：The thread-lifting hook
Line arm is carried including hook main body and be connected in hook main body six.
8. 500kV compact transmission lines according to claim 3 are with carrying the Line tool, it is characterised in that：The flexible spiral shell
Rotary handle is cased with outside bar.
9. 500kV compact transmission lines according to claim 4 are with carrying the Line tool, it is characterised in that：The lifting spiral shell
Rotary handle is cased with outside bar.
10. 500kV compact transmission lines according to claim 6 are with carrying the Line tool, it is characterised in that：The fine setting spiral shell
Rotary handle is cased with outside bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962588.8U CN207098445U (en) | 2017-08-03 | 2017-08-03 | 500kV compact transmission lines are with carrying the Line tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962588.8U CN207098445U (en) | 2017-08-03 | 2017-08-03 | 500kV compact transmission lines are with carrying the Line tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098445U true CN207098445U (en) | 2018-03-13 |
Family
ID=61543807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962588.8U Active CN207098445U (en) | 2017-08-03 | 2017-08-03 | 500kV compact transmission lines are with carrying the Line tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207098445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197940A (en) * | 2021-11-16 | 2022-03-18 | 广西电网有限责任公司桂林供电局 | Linear cross arm clamp and linear cross arm clamp assembly |
-
2017
- 2017-08-03 CN CN201720962588.8U patent/CN207098445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197940A (en) * | 2021-11-16 | 2022-03-18 | 广西电网有限责任公司桂林供电局 | Linear cross arm clamp and linear cross arm clamp assembly |
| CN114197940B (en) * | 2021-11-16 | 2023-08-08 | 广西电网有限责任公司桂林供电局 | Linear cross arm clamp and linear cross arm clamp assembly |
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| GR01 | Patent grant |