CN206917383U - Extra-high voltage direct-current composite material cross arm is arranged vertically anchor support - Google Patents
Extra-high voltage direct-current composite material cross arm is arranged vertically anchor support Download PDFInfo
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- CN206917383U CN206917383U CN201720640925.1U CN201720640925U CN206917383U CN 206917383 U CN206917383 U CN 206917383U CN 201720640925 U CN201720640925 U CN 201720640925U CN 206917383 U CN206917383 U CN 206917383U
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Abstract
The utility model discloses a kind of extra-high voltage direct-current composite material cross arm to be arranged vertically anchor support, belongs to anchor support technical field.The utility model is followed successively by tower head, tower body and tower leg from top to bottom；The tower head is sequentially installed with earth wire support, upper strata wire jumper cross-arm, lower floor's wire jumper cross-arm from top to bottom；The earth wire support is located at the both sides at the top of tower head；The upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm are located at below earth wire support and arranged in the corner inner vertical of tower head, and upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm are composite material cross arm.The utility model makes full use of the insulating properties of composite material cross arm, reduces the length of wire jumper cross-arm, and cancels the setting of wire cross-arm, greatly reduces the width of corridor and cost of anchor support.And the utility model conductor load acts on tower head axis, being turned round for tower head is essentially eliminated, and wire jumper load is smaller, no longitudinal force so that anchor support stress is more reasonable, enhances the overall degree of safety of structure.
Description
Technical field
The utility model is related to anchor support technical field, and in particular to be that a kind of extra-high voltage direct-current composite material cross arm hangs down
In line row anchor support.
Background technology
For extra high voltage direct current transmission line, traditional shaft tower is typically using the horizontally arranged angle steel tower of wire due to wire water
Mean pole spacing controls, and causes occupancy corridor wider.At present, have some anchor supports on vertical arrangement, show to be arranged vertically
Anchor support has larger advantage in terms of shaft tower width of corridor is reduced, but still suffers from but still tower weight weighting, node processing be present
Difficult, the problems such as cross-arm stress is unreasonable.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems of the prior art, providing a kind of line holding width of corridor
It is narrower, accept rational extra-high voltage direct-current composite material cross arm vertical arrangement anchor support, and the anchor support tower weight is relatively light, node
Processing is simple.
To achieve the above object, the utility model adopts the following technical scheme that：
Extra-high voltage direct-current composite material cross arm is arranged vertically anchor support, is followed successively by tower head, tower body and tower leg from top to bottom；Institute
State tower head and be sequentially installed with earth wire support, upper strata wire jumper cross-arm, lower floor's wire jumper cross-arm from top to bottom；The earth wire support is located at tower
The both sides of overhead；The upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm are located at below earth wire support and on the inside of the corner of tower head
Vertical arrangement, and upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm are composite material cross arm；
The outboard end of the earth wire support is provided with ground wire hanging point；
The upper strata wire jumper cross-arm, the outboard end of lower floor's wire jumper cross-arm are provided with wire jumper hanging point；
The lower plane of the upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm is provided with strain insulator with tower head axis intersection
String hanging point；
Strain insulator-string is installed, and strain insulator-string is located at tower head both sides on the strain insulator-string hanging point.
Further, wire is installed on the strain insulator-string；The one of the junction suspension wire jumper of the strain insulator-string and wire
End, the other end of wire jumper is suspended on wire jumper hanging point, and the wire on the strain insulator-string of tower head both sides is connected by wire jumper.
Further, the tower head, tower body and tower leg are formed using big specification angle iron component.
Further, the big specification angle iron component is the high-strength steel members of Q420.
Further, the width of corridor of the anchor support is 21m.
The utility model has the advantages that：
1st, the utility model hangs extra-high straightening by the way of upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm vertical arrangement
Transmission pressure is flowed, and upper strata wire jumper cross-arm and lower floor's wire jumper cross-arm use composite material cross arm, and composite can be made full use of horizontal
The setting that the insulating properties of load, the length of reduction wire jumper cross-arm, while the utility model eliminate wire cross-arm can substantially reduce
The width of corridor and cost of anchor support.
2nd, the strain insulator-string hanging point of the utility model strain insulator-string is arranged on the axis of tower head, and wire is arranged on strain insulator-string
On, one end of the junction tie jumper of strain insulator-string and wire, the other end of wire jumper is connected on wire jumper hanging point, this connected mode
Conductor load acts on tower head axis, essentially eliminates being turned round for tower head so that anchor support stress is more reasonable.In addition, this
Kind connected mode wire jumper load is smaller, and no longitudinal force can make full use of the insulating properties of composite material cross arm, while reduce compound
The poor influence of material cross-arm stress performance, can further mitigate composite material cross arm weight, enhance the overall peace of structure
Whole step.
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 the front view that the utility model extra-high voltage direct-current composite material cross arm is arranged vertically anchor support；
Fig. 2 is the side view that the utility model extra-high voltage direct-current composite material cross arm is arranged vertically anchor support.
In figure：Tower head 1, tower body 2, tower leg 3, earth wire support 11, upper strata wire jumper cross-arm 12, lower floor's wire jumper cross-arm 13, ground wire
Hanging point 14, wire jumper hanging point 15, strain insulator-string hanging point 16, strain insulator-string 17, wire 18, wire jumper 19, axis 110.
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 utility model extra-high voltage direct-current composite material cross arm is arranged vertically anchor support, from top to bottom successively
For tower head 1, tower body 2 and tower leg 3, wherein, tower head 1, tower body 2 and tower leg 3 are using limb a width of 250mm, 280mm or 300mm
The big specification angle iron components of Q420 are formed；The tower head 1 be sequentially installed with from top to bottom earth wire support 11, upper strata wire jumper cross-arm 12,
Lower floor's wire jumper cross-arm 13；The earth wire support 11 is located at the both sides at the top of tower head 1；The upper strata wire jumper cross-arm 12 and lower floor's wire jumper
Cross-arm 13 is located at the lower section of earth wire support 11 and arranged in the corner inner vertical of tower head 1, and upper strata wire jumper cross-arm 12 and lower floor jump
Line cross-arm 13 is the polymer matrix composites cross-arm of fiber glass reinforcement；
The outboard end of the earth wire support 11 is provided with ground wire hanging point 14；The upper strata wire jumper cross-arm 12 and lower floor's wire jumper
The outboard end of cross-arm 13 is provided with wire jumper hanging point 15；The lower plane of the upper strata wire jumper cross-arm 12 and lower floor's wire jumper cross-arm 13
Strain insulator-string hanging point 16 is provided with the intersection of 1 axis of tower head 110.
As shown in Fig. 2 strain insulator-string 17 is installed on the strain insulator-string hanging point 16, and strain insulator-string 17 is located at tower head 1 forward and backward two
Side；Wire 18 is installed on the strain insulator-string 17；One end of the strain insulator-string 17 and the junction suspension wire jumper 19 of wire 18, is jumped
The other end of line 19 is suspended on wire jumper hanging point 15, and the wire on the strain insulator-string 17 of the both sides of tower head 1 is connected by wire jumper 19.
After testing, the utility model extra-high voltage direct-current composite material cross arm vertical arrangement anchor support in earth wire support 11, on
The size of layer wire jumper cross-arm 12 and lower floor's wire jumper cross-arm 13, the space that earth wire support 11 surrounds with upper strata wire jumper cross-arm 12 is satisfied by
GB50790《± 800kV direct-current overhead power transmission line design specifications》Electric clearance requirement, and ground wire hanging point 14 also meets to leading
The shielding angle requirement of line 18.
Using certain ultrahigh voltage alternating current transmission lines routine anchor support as contrast, in the case where identical wire is to ground level, using this
The design of utility model, circuit can be tolled breakdown to area's width of corridor by horizontally arranged tower (conventional strain insulator under identical use condition
Tower) nearly 39.4m be decreased to 21m, reduce line corridor width 18.4m, effect highly significant.
Other parts not being described in detail belong to prior art.
Claims (5)
1. extra-high voltage direct-current composite material cross arm is arranged vertically anchor support, tower head (1), tower body (2) and tower are followed successively by from top to bottom
Leg (3), it is characterised in that：The tower head (1) be sequentially installed with from top to bottom earth wire support (11), upper strata wire jumper cross-arm (12),
Lower floor's wire jumper cross-arm (13)；The earth wire support (11) is located at the both sides at the top of tower head (1)；The upper strata wire jumper cross-arm (12) and
Lower floor's wire jumper cross-arm (13) is located at below earth wire support (11) and arranged in the corner inner vertical of tower head (1), and upper strata wire jumper
Cross-arm (12) and lower floor's wire jumper cross-arm (13) are composite material cross arm；
The outboard end of the earth wire support (11) is provided with ground wire hanging point (14)；
The outboard end of the upper strata wire jumper cross-arm (12) and lower floor's wire jumper cross-arm (13) is provided with wire jumper hanging point (15)；
The lower plane of the upper strata wire jumper cross-arm (12) and lower floor's wire jumper cross-arm (13) and tower head (1) axis (110) intersection
Strain insulator-string hanging point (16) is provided with,
Strain insulator-string (17) is installed, and strain insulator-string (17) is located at tower head (1) both sides on the strain insulator-string hanging point (16).
2. extra-high voltage direct-current composite material cross arm according to claim 1 is arranged vertically anchor support, it is characterised in that：It is described
Wire (18) is installed on strain insulator-string (17)；The strain insulator-string (17) and the one of the junction suspension wire jumper (19) of wire (18)
End, the other end of wire jumper (19) is suspended on wire jumper hanging point (15), and the wire on the strain insulator-string (17) of tower head (1) both sides passes through
Wire jumper (19) connects.
3. extra-high voltage direct-current composite material cross arm according to claim 1 or 2 is arranged vertically anchor support, it is characterised in that：
The tower head (1), tower body (2) and tower leg (3) are formed using limb a width of 250mm, 280mm or 300mm big specification angle iron component.
4. extra-high voltage direct-current composite material cross arm according to claim 3 is arranged vertically anchor support, it is characterised in that：It is described
Big specification angle iron component is the high-strength steel members of Q420.
5. extra-high voltage direct-current composite material cross arm according to claim 4 is arranged vertically anchor support, it is characterised in that：It is described
The width of corridor of anchor support is 21m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640925.1U CN206917383U (en) | 2017-06-05 | 2017-06-05 | Extra-high voltage direct-current composite material cross arm is arranged vertically anchor support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640925.1U CN206917383U (en) | 2017-06-05 | 2017-06-05 | Extra-high voltage direct-current composite material cross arm is arranged vertically anchor support |
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| Publication Number | Publication Date |
|---|---|
| CN206917383U true CN206917383U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640925.1U Active CN206917383U (en) | 2017-06-05 | 2017-06-05 | Extra-high voltage direct-current composite material cross arm is arranged vertically anchor support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458034A (en) * | 2018-12-21 | 2019-03-12 | 江苏神马电力股份有限公司 | A kind of power transmission tower |
| CN110453958A (en) * | 2018-05-07 | 2019-11-15 | 中国电力工程顾问集团华北电力设计院有限公司 | Fixed single-blade formula double loop anchor support |
-
2017
- 2017-06-05 CN CN201720640925.1U patent/CN206917383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453958A (en) * | 2018-05-07 | 2019-11-15 | 中国电力工程顾问集团华北电力设计院有限公司 | Fixed single-blade formula double loop anchor support |
| CN109458034A (en) * | 2018-12-21 | 2019-03-12 | 江苏神马电力股份有限公司 | A kind of power transmission tower |
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