CN206607950U - Scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever - Google Patents
Scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever Download PDFInfo
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- CN206607950U CN206607950U CN201621459415.6U CN201621459415U CN206607950U CN 206607950 U CN206607950 U CN 206607950U CN 201621459415 U CN201621459415 U CN 201621459415U CN 206607950 U CN206607950 U CN 206607950U
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Abstract
The utility model discloses a kind of 1000kV extra-high-voltage alternating currents double loop and faces scheme combination tower forever, is made up of tower head, tower body and tower leg, and the tower head is provided with four layers of cross-arm, and top layer is ground wire cross-arm, and three layers of lower section is wire cross-arm；Every layer of cross-arm is made up of longitudinal cross-arm and left and right cross-arm, and two sets of hanging points of permanent solutions and tentative plan are provided with the hanging wire point of every layer or so cross-arm；Jumper wire rack is connected with the outside of the hanging point of three layer conductor cross-arms；Effectively the tower weight and base concrete consumption of reduction breaking point steel tower, reduce floor space, reduce difficulty of construction, shorten power failure duration, lift economic benefit, reduce social influence.
Description
【Technical field】
The utility model is related to work transmission line steel tower field, more particularly to a kind of 1000kV extra-high-voltage alternating currents double back
Scheme combination tower is faced on road forever.
【Background technology】
During work transmission line is built, frequently encountering a built circuit needs to cut-off the situation of another circuit of access,
There is also such situation for 1000kV extra-high-voltage alternating current multiple-circuit on same tower engineerings.Steel tower at breaking point needs two kinds of satisfaction to connect
Line scheme：Recent connection plan (tentative plan) and connection plan (permanent solutions) at a specified future date.When the circuit of two kinds of connection plans is walked
To when differing greatly, traditional method be at breaking point again a newly-built steel tower to meet the requirement of connection plan at a specified future date.So not
Only need newly to levy column foot and permanently take up an area, while base concrete and rolled steel dosage need to be increased newly, when recent Decision Making of Line Schemes is to long term
During Decision Making of Line Schemes transition, difficulty of construction is larger, and the power failure operation time is longer, and economy is poor.If can design one kind take into account in the recent period,
The multi-functional combination tower of two kinds of connection plans at a specified future date, will produce good economic benefit, while power failure operation duration can be shortened, from
And reduce social influence.
Therefore, exploitation is applied to the combination tower that extra-high voltage faces connection plan forever, especially when patch trend and forever
It is the problem of being worth those skilled in the art's research and solve when wiring trend differs greatly.
【Utility model content】
Face scheme combination tower forever the utility model proposes a kind of 1000kV extra-high-voltage alternating currents double loop, can meet recent
Try one's best reduction construction investment, reduction floor space, the larger economy of acquirement and society while with two kinds of connection plans requirement at a specified future date
Can benefit.
To achieve the above object, the utility model is adopted the following technical scheme that：
Scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever, is made up of tower head, tower body and tower leg, the tower
Head is provided with four layers of cross-arm, and top layer is ground wire cross-arm, and three layers of lower section is wire cross-arm；Every layer of cross-arm is horizontal by longitudinal cross-arm and left and right
Two sets of hanging points of permanent solutions and tentative plan are provided with load composition, the hanging wire point of every layer or so cross-arm；Three layer conductor cross-arms
Jumper wire rack is connected with the outside of hanging point.
Further, longitudinal cross-arm is located at same level with left and right cross-arm；Hung down with left and right cross-arm direction in longitudinal cross-arm direction
Directly, arrangement in T shape is overlooked.
Further, four layers of longitudinal cross-arm respectively set a set of tentative plan hanging point；Four layers or so cross-arms respectively set two sets of hanging points,
Respectively tentative plan hanging point and permanent solutions hanging point.
Further, the front and rear side of the longitudinal cross-arm of the ground wire of top layer is respectively provided with ground wire hanging point at one；Three layer conductors longitudinal direction cross-arm
Tentative plan hanging wire side conducting wire hanging point at one is set, opposite side is not provided with hanging point.
Further, four layers of longitudinal cross-arm are connected by bolt with tower head.
Scheme combination tower is faced in 1000kV extra-high-voltage alternating currents double loop of the present utility model forever, leads on the basis of common steel tower
The mode for crossing the longitudinal cross-arm of four layers of increase instead of the mode of newly-built base steel tower in traditional scheme, effectively reduce tower timber-used
Amount；Take over the permanent occupation of land of a base steel tower for use less simultaneously, basic quantity reduces half, saves base concrete；In interim side
Case is to during permanent scheme transition, with the newly-built steel tower of traditional scheme again again compared with the workload of stringing, the utility model
Only remove four layers of longitudinal cross-arm, removal and set up unilateral wire, construction operation difficulty reduces, and power failure operation duration accordingly shortens；
Effectively the tower weight and base concrete consumption of reduction breaking point steel tower, reduce floor space, difficulty of construction are reduced, when shortening has a power failure
It is long, economic benefit is lifted, reduces social influence.
1000kV extra-high-voltage alternating currents double loop of the present utility model is faced scheme combination tower and carried out according to permanent connection plan forever
Foundation pits, left and right cross-arm is located on the angular bisector of permanent line alignment.When using patch scheme, due to lines side
It is too small to the angle with left and right cross-arm, if wire directly to be hung on to left and right cross-arm, due to tower body and wire clearance too
It is small, it is impossible to meet the requirement of electric clearance, therefore, longitudinal cross-arm is set up on tower body and overhangs wire, makes wire hitch point
Away from tower body, meanwhile, longitudinal cross-arm uses cooperatively to increase the headroom of wire and tower body with left and right cross-arm and tentative plan hanging point
Distance, is allowed to meet electric clearance requirement.
In patch scheme to the leading of removal patch side, ground wire during permanent connection plan transition, is needed, four layers are removed
Longitudinal cross-arm, retains the ground wire of four layers or so cross-arms and the constant side of circuit, and by the leading of permanent solutions, that ground wire is suspended on left and right is horizontal
On the permanent solutions hanging point of load, tentative plan hanging point originally is not used.
【Brief description of the drawings】
Fig. 1 is three dimensional structure diagram of the present utility model；
Fig. 2 is front elevation view of the present utility model；
Fig. 3 is side elevational view of the present utility model；
Fig. 4 a are the utility model top layer ground wire cross-arm top view；
Fig. 4 b are three layer conductor cross-arm top views below the utility model；
Fig. 5 ground wires of the present utility model or so cross-arm hanging point Local map；
Fig. 6 is the longitudinal cross-arm hanging point Local map of ground wire of the present utility model；
Fig. 7 is wire of the present utility model or so cross-arm hanging point Local map；
Fig. 8 is the longitudinal cross-arm hanging point Local map of wire of the present utility model；
Fig. 9 is the overall plan schematic diagram of the utility model embodiment；
Wherein：A is tower head, and B is tower body, and C is tower leg；1 be the longitudinal cross-arm of ground wire, 2 be ground wire or so cross-arm, 3 be on lead
Longitudinal cross-arm, 4 be on lead left and right cross-arm, 5 be in lead longitudinal cross-arm, 6 be in lead left and right cross-arm, 7 be under lead longitudinal cross-arm, 8 be
Under lead left and right cross-arm；3a be on lead longitudinal cross-arm jumper wire rack, 4a be on lead left and right cross-arm jumper wire rack, 5a longitudinal cross-arm led in being
Jumper wire rack, 6a lead left and right cross-arm jumper wire rack, 7a longitudinal cross-arm jumper wire rack, 8a led under being in being leads left and right cross-arm jumper wire rack under being；
9 be that ground wire or so cross-arm permanent solutions hanging point, 9a are ground wire or so cross-arm tentative plan hanging point, and 9b, 9c are the longitudinal cross-arm of ground wire
Hanging point；10 be wire or so cross-arm permanent solutions hanging point, and 10a is wire or so cross-arm tentative plan hanging point, and 10b is vertical for wire
To cross-arm hanging point；11st, 11a be tentative plan wire, 12,12a be permanent solutions wire；13rd, 13a is the constant side wire of circuit,
14 be extended type wire jumper；
In above-mentioned title：1st, 3,5,7 it is referred to as longitudinal cross-arm, 2,4,6,8 is referred to as left and right cross-arm；9th, 9a, 9b, 9c unite
Referred to as ground wire hanging point；10th, 10a, 10b are referred to as conducting wire hanging point.
【Embodiment】
To enable feature and advantage of the present utility model more obvious understandable, with reference to the accompanying drawings and detailed description
The utility model is described in further detail.
One embodiment of the present utility model as shown in Fig. 1~Fig. 9, for 1000kV extra-high-voltage alternating current common-tower double-return lines
The π on road connects breaking point.
Embodiment, is made up of tower head A, tower body B and tower leg C as illustrated in the drawing, is that steel tube component is mixed with angle iron component
The space truss structure of composition.The tower head A includes four layers of cross-arm, and top layer is the longitudinal cross-arm 1 of ground wire, ground wire or so cross-arm 2；Under
Side three layers be respectively on lead longitudinal cross-arm 3, on lead left and right cross-arm 4, in lead longitudinal cross-arm 5, in lead left and right cross-arm 6, under lead longitudinal direction
Cross-arm 7, under lead left and right cross-arm 8.As shown in Fig. 4 a and Fig. 4 b, the axis of longitudinal cross-arm 1,3,5,7 respectively with left and right cross-arm 2,4,
6th, 8 axis is vertical, overlooks arrangement in T shape.As shown in Figure 5, Figure 7, left and right cross-arm 2,4,6,8 respectively sets two sets of hanging points, point
Not Wei ground wire or so cross-arm tentative plan hanging point 9a, wire or so cross-arm tentative plan hanging point 10a and ground wire or so cross-arm it is permanent
Scheme hanging point 9, wire or so cross-arm permanent solutions hanging point 10.As shown in Fig. 6, the both sides of ground wire longitudinal direction cross-arm 1 are provided with ground
Line hanging point, respectively 9b and 9c；Shown in Fig. 8, the side of wire longitudinal direction cross-arm 3,5,7 is provided with conducting wire hanging point 10b, and opposite side is not
Hanging point is set.Tower body B and tower body C are similar with common steel tube column structure, and tower body B is square cross-section, and tower leg C is " K-type " structure.
As shown in figure 9, tentative plan is wire 11,11a and 13, the circuit of 13a compositions；Permanent solutions are wire 12,12a
The circuit constituted with 13,13a.Iron tower foundation is led according to the construction of permanent solutions point hole, left and right cross-arm 2,4,6,8 positioned at permanent solutions
Line 12 is formed on folder bisector of angle with the constant side wire 13 of circuit.
When using tentative plan, because the angle of tentative plan wire 11 and left and right cross-arm 4,6,8 is very small, if directly
Tentative plan wire 11 is hung on left and right cross-arm 4,6,8, then causes tentative plan wire 11 and tower body B clearance too
It is small, it is impossible to meet electric clearance requirement.Therefore tentative plan wire 11 is suspended on it by the embodiment using longitudinal cross-arm 3,5,7
End, away from tower body so as to meeting electric clearance requirement, while using extended type wire jumper 14 by tentative plan wire 11 with
The constant side wire 13 of circuit is connected so that the circuit of tentative plan keeps insertion.
When using permanent solutions, longitudinal cross-arm 1,3,5,7 need to be removed, correspondingly permanent solutions wire 12,12a is hanged
It is hung on left and right cross-arm 4,6,8, in addition hangs on permanent solutions ground wire on left and right cross-arm 1.
To meet hanging point detailing requiments, the hanging point yawing moment of left and right cross-arm 2,4,6,8 need to be consistent with line alignment,
Therefore left and right cross-arm 2,4,6,8 need to set two sets of hanging points, and as shown in Figure 5, Figure 7, tentative plan ground wire hanging point 9a, tentative plan are led
Line hanging point 10a is consistent with tentative plan line alignment, permanent solutions ground wire hanging point 9, permanent solutions conducting wire hanging point 10 with and
Permanent solutions line alignment is consistent.
In order to allow scheme more to optimize, unnecessary component is reduced as far as possible, as shown in figure 8, longitudinal cross-arm 3,5,7 is only single
Side is provided with hanging point 10b, and opposite side is not provided with hanging point, wire 11 is connected insertion with wire 13 merely with extended type wire jumper 14,
So as to reduce the plate of construction hanging point, rolled steel dosage is reduced.
The core concept of the present embodiment is that on the premise of iron tower foundation is according to permanent solutions point hole, steel tower is changed
Make, the electric clearance requirement of tentative plan is only met by increasing by four layers of longitudinal cross-arm 1,3,5,7.With using two base steel towers
Meet tentative plan respectively to compare with permanent solutions, the present embodiment has saved 1 Ji Ta permanent occupation of land and base concrete is used
Amount, and steel tower steel using amount is effectively reduced, in tentative plan to during permanent solutions transition, the present embodiment only needs four layers of dismounting to indulge
To the unilateral wire 11 of cross-arm, dismounting and again erection, 11a, 12,12a, the constant side wire 13 of circuit, 13a keep constant；And adopt
All wires of side are then needed to remove before and after steel tower with two Ji Ta conventional scheme and whole stringings again after newly-built steel tower.Can
See, the difficulty of construction of the present embodiment is substantially reduced, and effectively shorten the power failure operation time.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should be all considered as
Belong to the scope of patent protection for claims determination that the utility model is submitted.
Claims (5)
1. scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever, it is characterised in that：By tower head (A), tower body (B) and
Tower leg (C) is constituted, and the tower head (A) is provided with four layers of cross-arm, and top layer is ground wire cross-arm, and three layers of lower section is wire cross-arm；Every layer
Cross-arm is made up of longitudinal cross-arm and left and right cross-arm, and permanent solutions and tentative plan two are provided with the hanging wire point of every layer or so cross-arm
Cover hanging point；Jumper wire rack is connected with the outside of the hanging point of three layer conductor cross-arms.
2. scheme combination tower is faced in 1000kV extra-high-voltage alternating currents double loop as claimed in claim 1 forever, it is characterised in that：Longitudinal direction is horizontal
Load is located at same level with left and right cross-arm；Longitudinal cross-arm direction is vertical with left and right cross-arm direction, overlooks arrangement in T shape.
3. scheme combination tower is faced in 1000kV extra-high-voltage alternating currents double loop as claimed in claim 1 forever, it is characterised in that：Four layers are indulged
A set of tentative plan hanging point is respectively set to cross-arm；Four layers or so cross-arms respectively set two sets hanging points, respectively tentative plan hanging point with
Permanent solutions hanging point.
4. scheme combination tower is faced in 1000kV extra-high-voltage alternating currents double loop as claimed in claim 3 forever, it is characterised in that：Top layer
The front and rear side of ground wire longitudinal direction cross-arm is respectively provided with ground wire hanging point at one；The tentative plan hanging wire side of three layer conductors longitudinal direction cross-arm sets one
Locate conducting wire hanging point, opposite side is not provided with hanging point.
5. scheme combination tower is faced in 1000kV extra-high-voltage alternating currents double loop as claimed in claim 1 forever, it is characterised in that：Four layers are indulged
It is connected to cross-arm by bolt with tower head (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459415.6U CN206607950U (en) | 2016-12-28 | 2016-12-28 | Scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459415.6U CN206607950U (en) | 2016-12-28 | 2016-12-28 | Scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever |
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| Publication Number | Publication Date |
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| CN206607950U true CN206607950U (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621459415.6U Active CN206607950U (en) | 2016-12-28 | 2016-12-28 | Scheme combination tower is faced in a kind of 1000kV extra-high-voltage alternating currents double loop forever |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266195A (en) * | 2021-06-01 | 2021-08-17 | 国核电力规划设计研究院有限公司 | Wire cross arm assembly and four-circuit tower on same tower |
| CN113363921A (en) * | 2021-06-07 | 2021-09-07 | 国核电力规划设计研究院有限公司 | Connecting structure and connecting method for single-side pi connection of same-tower multi-circuit overhead transmission line |
-
2016
- 2016-12-28 CN CN201621459415.6U patent/CN206607950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266195A (en) * | 2021-06-01 | 2021-08-17 | 国核电力规划设计研究院有限公司 | Wire cross arm assembly and four-circuit tower on same tower |
| CN113363921A (en) * | 2021-06-07 | 2021-09-07 | 国核电力规划设计研究院有限公司 | Connecting structure and connecting method for single-side pi connection of same-tower multi-circuit overhead transmission line |
| CN113363921B (en) * | 2021-06-07 | 2022-10-28 | 国核电力规划设计研究院有限公司 | Connecting structure and connecting method for single-side pi connection of same-tower multi-circuit overhead transmission line |
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