CN206737540U - The staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current - Google Patents
The staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current Download PDFInfo
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- CN206737540U CN206737540U CN201720544722.2U CN201720544722U CN206737540U CN 206737540 U CN206737540 U CN 206737540U CN 201720544722 U CN201720544722 U CN 201720544722U CN 206737540 U CN206737540 U CN 206737540U
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Abstract
The utility model discloses a kind of staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current, tower head, tower body and tower leg are followed successively by from top to bottom, the tower head is sequentially installed with earth wire support, upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm from top to bottom；The earth wire support is located at the top of tower head, and the upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm are located at below earth wire support and serrated vertical arrangement, and upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm are composite material cross arm.The utility model not only can promote composite material cross arm to be applied in UHV transmission line engineering, can also make full use of the insulating properties of composite, reduce the length of wire jumper cross-arm, so as to substantially reduce anchor support width of corridor, and then reduce the cost of anchor support.
Description
Technical field
The utility model is related to anchor support technical field, and in particular to be a kind of staggered vertical arrangement of extra-high-voltage alternating current
Composite material cross arm anchor support.
Background technology
Composite material pole tower is used for transmission line of electricity and can be not only easy to solve defeated with saving steel, using the insulating properties of shaft tower
The windage yaw of electric line and pollution flashover accident, line security operation level is improved, while tower head size can also be reduced, it is wide to reduce corridor
Degree, reduce trees felling；Using the characteristics of shaft tower is light, easy processing shaping, transport and the assembly cost of shaft tower can be reduced；Profit
The characteristics of with the corrosion-resistant of shaft tower, high-low temperature resistant, small big, the stolen possibility of intensity, the operation expense of circuit can be reduced；Together
When due to shaft tower Color tunable, nonhazardous, scrap rear recycling, enhance the environment friendly of circuit.
It is domestic at present that mainly composite is used in 220kV and the relatively low transmission line of electricity of following voltage class, for
500kV and the super-pressure of the above, UHV transmission line, then using less.
For UHV transmission line, because load is larger, SI semi-insulation shaft tower technology typically is used, i.e. tower body still uses
Traditional structure of steel product, only use composite, i.e. composite material cross arm shaft tower in cross-arm part.Have some at present on compound
The research and application of material cross-arm tangent tower, show that composite is applied to the width of corridor that tangent tower can effectively reduce shaft tower,
Reduce construction costs.But the research and application for composite material cross arm anchor support are then not directed to, and can not be accomplished composite
Further genralrlization of the cross-arm in UHV transmission line engineering.
In addition, at present there is the problem of occupancy corridor is wider in conventional extra-high voltage AC circuit engineering anchor support, if can not
Solve the problems, such as that anchor support width of corridor is wide, the path width of corridor advantage that composite is applied to line project can not also fill
Split shows.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems of the prior art, providing one kind composite can be used horizontal
Load, and the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current that line holding corridor is narrower.
To achieve the above object, the utility model adopts the following technical scheme that：
Extra-high-voltage alternating current it is staggered vertical arrangement composite material cross arm anchor support, be followed successively by from top to bottom tower head, tower body and
Tower leg, the tower head are sequentially installed with earth wire support from top to bottom, and upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper are horizontal
Load；The earth wire support is located at the top of tower head, and the upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm are positioned at ground
Below line bracket and serrated vertical arranges, and upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm are composite wood
Expect cross-arm.
Due to upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm serrated vertical arrangement in above-mentioned technical proposal
And be composite material cross arm, the insulating properties of composite can be made full use of, reduce the length of wire jumper cross-arm, so as to significantly
Anchor support width of corridor is reduced, and then reduces the cost of anchor support.
Further, the outboard end of the earth wire support is provided with ground wire hanging point.
Further, the outboard end of the upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm is respectively provided with
There is wire jumper hanging point.
Further, the lower plane and tower head of the upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm connect
The place of connecing is provided with a strain insulator-string hanging point, and is provided with strain insulator-string on strain insulator-string hanging point.
Further, the strain insulator-string is located at tower head both sides, and wire is provided with strain insulator-string.
Further, one end of the junction tie jumper of the strain insulator-string and wire, the other end connection of the wire jumper
On wire jumper hanging point, and the wire that tower head both sides are arranged on strain insulator-string is connected by wire jumper.
In addition, in the above-mentioned technical solutions, also can upper strata wire jumper cross-arm, middle level wire jumper cross-arm and lower floor's wire jumper cross-arm with
The junction of tower head is respectively provided with a space triangular frame, and resistance in the setting first of the junction of space triangular frame lower plane and tower head
String hanging point is opened, is set in the junction of space triangular frame lower plane and upper strata wire jumper cross-arm, middle level wire jumper cross-arm, lower floor's wire jumper cross-arm
The second strain insulator-string hanging point is put, the anchor support in the form of meeting the double extensions of wire, and the first strain insulator-string hanging point and the second strain insulator-string hanging point
On be mounted on strain insulator-string.
Further, the strain insulator-string on the first strain insulator-string hanging point and the second strain insulator-string hanging point is located at tower head both sides and led to
Gold utensil is crossed to merge；Wire is installed on the gold utensil, is hung with wire jumper on gold utensil and wire jumper hanging point, and tower head both sides
Wire on gold utensil is connected by wire jumper.
The utility model has the advantages that：
1st, the utility model wire cross-arm uses composite material cross arm, and using upper strata wire jumper cross-arm, middle level wire jumper cross-arm
Three loop UHV transmission wires are hung with the mode of lower floor wire jumper cross-arm serrated vertical arrangement.Because wire is straight by strain insulator-string
It is connected in succession at tower head strain insulator-string hanging point, it is possible to reduce the phase spacing of wire.Other wire jumper cross-arm uses composite, can be abundant
Using the insulating properties of composite, reduce the length of wire jumper cross-arm, so as to substantially reduce anchor support width of corridor, and then drop
The cost of low anchor support.
2nd, the utility model strain insulator-string is connected directly between at tower head strain insulator-string hanging point, and wire is arranged on strain insulator-string, resistance to
One end of string and the junction tie jumper of wire is opened, the other end of wire jumper is connected on wire jumper hanging point.This connected mode wire
Load action reduces being turned round for tower head, steel tower stress is more reasonable in tower head.Other such a connected mode wire jumper load compared with
Small, no longitudinal force can make full use of the insulating properties of composite, while reduce the poor influence of composite stress performance,
Composite material cross arm weight can be further mitigated, enhances the overall degree of safety of structure.
3rd, the utility model preferentially prepares tower head, tower body and column foot using big specification angle steel and Q420 materials, further subtracts
Light tower weight.
Brief description of the drawings
Fig. 1 is that the front view of the staggered vertical arrangement composite material cross arm anchor support of the utility model extra-high-voltage alternating current (is led
Line list hanging point pattern)；
Fig. 2 is that the front view of the staggered vertical arrangement composite material cross arm anchor support of the utility model extra-high-voltage alternating current (is led
Line double hanging point pattern)；
Fig. 3 is that the side view of the staggered vertical arrangement composite material cross arm anchor support of the utility model extra-high-voltage alternating current (is led
Line list hanging point and double hanging point pattern).
In figure：Tower head 1, tower body 2, tower leg 3, earth wire support 11, upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13, lower floor
It is wire jumper cross-arm 14, ground wire hanging point 15, strain insulator-string hanging point 16, wire jumper hanging point 17, wire jumper 18, space triangular frame 19, wire 110, resistance to
Open the 111, first strain insulator-string hanging point 112 of string, the second strain insulator-string hanging point 113.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the staggered vertical arrangement composite of the extra-high-voltage alternating current of the first embodiment of the utility model
Cross-arm anchor support, is followed successively by tower head 1, tower body 2 and tower leg 3 from top to bottom, and the tower head 1 is sequentially installed with ground wire branch from top to bottom
Frame 11, upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm 14；The earth wire support 11 is located at tower head top
Portion；The upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm 14 are located at the lower section of earth wire support 11 and interlocked
Vertical arrangement, and upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm 14 are composite material cross arm, and should
Composite material cross arm is the polymer matrix composites of fiber glass reinforcement.Wherein, upper strata wire jumper cross-arm 12, middle level wire jumper are horizontal
Load 13 and the arrangement of the serrated vertical of lower floor's wire jumper cross-arm 14 refer to that upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper are horizontal
Load 14 is each perpendicular to tower head 1, and is staggered along tower head about 1.
And as shown in figure 1, the outboard end of the earth wire support 11 is provided with ground wire hanging point 15；The upper strata wire jumper is horizontal
Load 12, middle level wire jumper cross-arm 13 and the lower plane of lower floor's wire jumper cross-arm 14 and the junction of tower head 1 are provided with a strain insulator-string and hung
Point 16, and the outboard end of upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm 14 is provided with wire jumper extension
Point 17.
The first embodiment of the utility model is applied to the anchor support of wire list hanging point pattern, in order that the utility model
The anchor support of wire double hanging point pattern is also applied for, as shown in Fig. 2 the extra-high-voltage alternating current of second of embodiment of the utility model
Staggered vertical arrangement composite material cross arm anchor support is in upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm
14 are provided with a space triangular frame 19, and the company of the lower plane and tower head 1 in space triangular frame 19 with the junction of tower head 1
The place of connecing is provided with the first strain insulator-string hanging point 112, and lower plane and the upper strata wire jumper cross-arm 12, middle level wire jumper in space triangular frame 19 are horizontal
Load 13, the junction of lower floor's wire jumper cross-arm 14 are provided with the second strain insulator-string hanging point 113, the first implementation of other and the utility model
The structure of the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current of mode is essentially identical.
As shown in figure 3, the extra-high-voltage alternating current of the first embodiment of the utility model and second of embodiment is staggered
It is arranged vertically in composite material cross arm anchor support, the strain insulator-string hanging point 16, the first strain insulator-string hanging point 112 and the second strain insulator-string are hung
Strain insulator-string 111 (in figure 3, the first strain insulator-string hanging point 112 and the second strain insulator-string hanging point 113 and strain insulator-string are mounted on point 113
Hanging point 16 is overlapping), and strain insulator-string 111 is located at the both sides of tower head 1, in addition, in the utility model the first embodiment, wire
110 are arranged on strain insulator-string 111, and as shown in figs. 1 and 3, one end of wire jumper 18 is suspended on the company of strain insulator-string 111 and wire 110
Place is met, the other end of wire jumper 18 is suspended on wire jumper hanging point 17, and the wire 110 on the strain insulator-string 111 of the both sides of tower head 1 passes through jump
Line 18 connects.And in second of embodiment of the utility model on the first strain insulator-string hanging point 112 and the second strain insulator-string hanging point 113
Strain insulator-string 111 merged by gold utensil, wire 110 is arranged on above-mentioned gold utensil, and as shown in figs. 1 and 3, wire jumper 18 is outstanding
Hang on above-mentioned gold utensil and wire jumper hanging point 17, and the wire 110 on the gold utensil of the both sides of tower head 1 is connected by wire jumper 18.
Moreover, the staggered vertical row of extra-high-voltage alternating current of the first embodiment of the utility model and the first embodiment
In row composite material cross arm anchor support, except upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm 14 are multiple
Outside condensation material, other parts use limb a width of 250mm, 280mm or 300mm, prepared by the big specification angle steel that material is Q420.
After testing, earth wire support in the staggered vertical arrangement composite material cross arm anchor support of the utility model extra-high-voltage alternating current
11st, the size of upper strata wire jumper cross-arm 12, middle level wire jumper cross-arm 13 and lower floor's wire jumper cross-arm 14, earth wire support 11 are horizontal with upper strata wire jumper
The space that load 12 surrounds is satisfied by GB50665《1000kV overhead transmission line design specifications》Electric clearance requirement, and ground wire
Hanging point 15 also meets the shielding angle requirement to wire 110.
Using certain ultrahigh voltage alternating current transmission lines routine anchor support as contrast, fee of material, traffic expense, installation fee etc. are considered
Factor, the economy of the staggered vertical arrangement composite material cross arm anchor support line of analysis the utility model extra-high-voltage alternating current, such as table 1
It is shown.
Table 1
As can be seen from Table 1：(1), can be by line using design of the present utility model in the case where identical wire is to ground level
Road tolls breakdown area's width of corridor and is decreased to 21m by the nearly 44m of horizontally arranged tower (conventional anchor support) under identical use condition, reduces
Line corridor width 23m, effect highly significant.
(2) under identical use condition, the utility model reduces by 2.4% compared to conventional anchor support, its overall tower weight.
(3) the utility model strain insulator-string hanging point is located at tower head, reduces torque of the wire to tower head, while use composite
Component designs wire jumper cross-arm so that body utility model cost reduces 2% or so than conventional anchor support.
Other parts not being described in detail belong to prior art.
Claims (8)
1. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current, is followed successively by tower head (1), tower body from top to bottom
(2) it is with tower leg (3), its characteristic：It is horizontal that the tower head (1) is sequentially installed with earth wire support (11), upper strata wire jumper from top to bottom
Carry on a shoulder pole (12), middle level wire jumper cross-arm (13) and lower floor's wire jumper cross-arm (14)；The earth wire support (11) is located at the top of tower head；On described
Layer wire jumper cross-arm (12), middle level wire jumper cross-arm (13) and lower floor's wire jumper cross-arm (14) are located at below earth wire support (11) and staggeredly hung down
In line row, and upper strata wire jumper cross-arm (12), middle level wire jumper cross-arm (13) and lower floor's wire jumper cross-arm (14) they are composite material cross arm.
2. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 1, its feature
It is：The outboard end of the earth wire support (11) is provided with ground wire hanging point (15).
3. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 1 or 2, it is special
Sign is：The outboard end of the upper strata wire jumper cross-arm (12), middle level wire jumper cross-arm (13) and lower floor's wire jumper cross-arm (14) is all provided with
It is equipped with wire jumper hanging point (17).
4. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 3, its feature
It is：The lower plane and tower head (1) of the upper strata wire jumper cross-arm (12), middle level wire jumper cross-arm (13) and lower floor's wire jumper cross-arm (14)
Junction be provided with a strain insulator-string hanging point (16) and strain insulator-string hanging point (16) strain insulator-string (111) be installed.
5. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 4, its feature
It is：The strain insulator-string (111) is located at tower head (1) both sides, and wire (110) is provided with strain insulator-string (111).
6. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 5, its feature
It is：One end of the junction tie jumper (18) of the strain insulator-string (111) and wire (110), the wire jumper (18) it is another
End is connected on wire jumper hanging point (17), and the wire (110) on the strain insulator-string (111) of tower head (1) both sides is connected by wire jumper (18)
Connect.
7. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 3, its feature
It is：The junction of the upper strata wire jumper cross-arm (12), middle level wire jumper cross-arm (13) and lower floor's wire jumper cross-arm (14) and tower head (1)
It is provided with a space triangular frame (19)；The junction of the lower plane and tower head (1) of the space triangular frame (19) is provided with
First strain insulator-string hanging point (112), lower plane and upper strata wire jumper cross-arm (12), the middle level wire jumper cross-arm of space triangular frame (19)
(13), the junction of lower floor's wire jumper cross-arm (14) is provided with the second strain insulator-string hanging point (113), and the first strain insulator-string hanging point (112)
Strain insulator-string (111) is mounted on on the second strain insulator-string hanging point (113).
8. the staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current according to claims 7, its feature
It is：Strain insulator-string (111) on the first strain insulator-string hanging point (112) and the second strain insulator-string hanging point (113) is merged by gold utensil
Together and it is located at tower head (1) both sides；Wire (110) is installed on the gold utensil, is hung with gold utensil and wire jumper hanging point (17)
Wire jumper (18), and the wire (110) on the gold utensil of tower head (1) both sides is connected by wire jumper (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544722.2U CN206737540U (en) | 2017-05-17 | 2017-05-17 | The staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544722.2U CN206737540U (en) | 2017-05-17 | 2017-05-17 | The staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current |
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| Publication Number | Publication Date |
|---|---|
| CN206737540U true CN206737540U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720544722.2U Active CN206737540U (en) | 2017-05-17 | 2017-05-17 | The staggered vertical arrangement composite material cross arm anchor support of extra-high-voltage alternating current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083482A (en) * | 2018-08-02 | 2018-12-25 | 中国电力工程顾问集团中南电力设计院有限公司 | 500kV composite material cross arm single loop anchor support |
-
2017
- 2017-05-17 CN CN201720544722.2U patent/CN206737540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083482A (en) * | 2018-08-02 | 2018-12-25 | 中国电力工程顾问集团中南电力设计院有限公司 | 500kV composite material cross arm single loop anchor support |
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