CN110284747A - A kind of single loop transposition tower and interchanging method - Google Patents
A kind of single loop transposition tower and interchanging method Download PDFInfo
- Publication number
- CN110284747A CN110284747A CN201910742205.XA CN201910742205A CN110284747A CN 110284747 A CN110284747 A CN 110284747A CN 201910742205 A CN201910742205 A CN 201910742205A CN 110284747 A CN110284747 A CN 110284747A
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- arm
- cross
- wire
- wire jumper
- hanging point
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- 230000017105 transposition Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a kind of single loop transposition tower and interchanging methods, comprising: tower body;Ground wire cross-arm is set on the top of the tower body;Middle cross-arm is set to the wherein side on the tower body;Side cross-arm is set on the tower body, and both ends extend to the tower body two sides, and is located at the lower section of wherein the middle cross load;The both ends of the ground wire cross-arm are arranged in wire jumper bracket, are each provided with a wire jumper hanging point in two side bottoms of the wire jumper bracket;Wire jumper cross-arm is set on the tower body, and is provided with wire jumper hanging point on the wire jumper cross-arm;It is each provided with a conducting wire hanging point in the front and rear sides of wherein the middle cross load, is each provided with a conducting wire hanging point in the both ends front and rear sides of the side cross-arm, and wherein one end bottom of the side cross-arm is provided with wire jumper hanging point.This transposition tower can effectively solve existing steel tower existing problem taken up a large area and cost of manufacture is high in transposition.
Description
Technical field
The present invention relates to a kind of single loop transposition tower and interchanging methods, belong to electric power pylon technical field.
Background technique
Since the wire spacing of power transmission sequence conducting wire is unequal, and the reactance of conducting wire depends on wire spacing and conducting wire
Radius, therefore, conducting wire such as without transposition, three phase of impedance be it is unbalanced, route is longer, and this imbalance is more serious.In order to
So that three-phase conducting wire impedance is kept balance, therefore replaces every one section of transmission distance.However, transposition form is often adopted at present
With anchor support and independent transposition framework, this steel tower, which exists, to be taken up a large area, the high problem of cost of manufacture.
Summary of the invention
The technical problem to be solved by the present invention is a kind of single loop transposition tower and interchanging method are provided, to solve existing iron
Tower existing problem taken up a large area and cost of manufacture is high in transposition.
The technical scheme is that a kind of single loop transposition tower, comprising:
Tower body;
Ground wire cross-arm is set on the top of the tower body;
Middle cross-arm is set to the wherein side on the tower body;
Side cross-arm is set on the tower body, and both ends extend to the tower body two sides, and is located at the lower section of wherein the middle cross load;
The transposition tower further include:
The both ends of the ground wire cross-arm are arranged in wire jumper bracket, are each provided with a jump in two side bottoms of the wire jumper bracket
Line hanging point;
Wire jumper cross-arm is set on the tower body, and is provided with wire jumper hanging point on the wire jumper cross-arm;
It is each provided with a conducting wire hanging point in the front and rear sides of wherein the middle cross load, is respectively arranged in the both ends front and rear sides of the side cross-arm
There is a conducting wire hanging point, and wherein one end bottom of the side cross-arm is provided with wire jumper hanging point.
Further, the ground wire cross-arm, wherein the middle cross load and the side cross-arm are arranged in same vertical plane.
Further, the wire jumper cross-arm and the side cross-arm are arranged in the same plane, and the wire jumper cross-arm with
The side cross-arm is vertical, and the enter line side or outgoing line side of tower body is arranged in the wire jumper cross-arm.
Further, the wire jumper bracket is vertical with the ground wire cross-arm, and its both ends is prolonged to the front and rear sides of tower body
It stretches.
The beneficial effects of the present invention are: the present invention is designed on tower body by designing wire jumper bracket at ground wire cross-arm both ends
Wire jumper cross-arm, and a wire jumper hanging point is designed on conducting wire cross-arm, the difference of transmission line of electricity may be implemented on the same tower
Commutation function.And since commutating structure to be integrated on an electric power pylon, existing steel tower can be effectively solved in transposition
The existing problem taken up a large area and cost of manufacture is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that single loop transposition tower is fitted in an embodiment;
Fig. 2, Fig. 4 and Fig. 6 are various transposition state diagrams;
Fig. 3, Fig. 5 and Fig. 7 are the plan view of various transpositions;
Description of symbols:
1 tower body, cross-arm in 2,3 ground wire cross-arms, 4 side cross-arms, 5 wire jumper brackets, 6 wire jumper cross-arms, 7 wire jumper hanging points, 8 conducting wire hanging points.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1, for the structural schematic diagram of single loop transposition tower in an embodiment.Single loop in present embodiment
Transposition tower includes tower body 1, ground wire cross-arm 3, wire jumper bracket 5, middle cross-arm 2, side cross-arm 4 and wire jumper cross-arm 6.
Tower body 1, plays a supportive role, and is mainly used for supporting ground wire cross-arm 3, wire jumper bracket 5, middle cross-arm 2, side cross-arm 4 and jump
The components such as line cross-arm 6.
Ground wire cross-arm 3 is set on the top of tower body 1.Ground wire cross-arm 3 is mainly used for hanging ground wire.Specifically, ground wire is horizontal
3 both ends are carried on a shoulder pole to extend to 1 two sides of tower body.
The both ends of ground wire cross-arm 3 are arranged in wire jumper bracket 5, are each provided with a wire jumper in two side bottoms of wire jumper bracket 5
Hanging point 7.Wire jumper hanging point 7 is mainly used for realizing the commutation function of conducting wire.Preferably, wire jumper bracket 5 is vertical with ground wire cross-arm 3, and
And its both ends extends to the front and rear sides of tower body 1.In other words, the front and rear sides of 1 power transmission line of tower body are arranged in wire jumper bracket 5.
Middle cross-arm 2 is set to the wherein side on tower body 1.Middle cross-arm 2 is mainly used for hanging a conducting wire.In middle cross-arm 2
Front and rear sides are each provided with a conducting wire hanging point 8.
Side cross-arm 4 is set on tower body 1, and both ends extend to 1 two sides of tower body, and is located at the lower section of middle cross-arm 2.Side cross-arm 4
It is mainly used for hanging two conducting wires.Specifically, a conducting wire hanging point 8 is each provided in the both ends front and rear sides of side cross-arm 4.Also,
On side, wherein one end bottom of cross-arm 4 is provided with wire jumper hanging point 7.
Wire jumper cross-arm 6 is mainly used for realizing the commutation function of conducting wire, be set on tower body 1, and on wire jumper cross-arm 6
It is provided with wire jumper hanging point 7.
Preferably, ground wire cross-arm 3, middle cross-arm 2 and side cross-arm 4 are arranged in same vertical plane.
Preferably, wire jumper cross-arm 6 and side cross-arm 4 are arranged in the same plane, and wire jumper cross-arm 6 is vertical with side cross-arm 4,
The enter line side or outgoing line side of tower body 1 is arranged in wire jumper cross-arm 6, this kind of structure can make the commutation of each transmission line of electricity more advise
Model.
Fig. 2 and Fig. 3 are please referred to, the first transposition form:
A phase conductor: the wire jumper on wire jumper hanging point 7 → while cross-arm 4 on 4 left end of cross-arm front side, 8 → wire jumper of conducting wire hanging point cross-arm 6
Conducting wire hanging point 8 on rear side of right end on 7 → side of hanging point cross-arm 4.
B phase conductor: the wire jumper hanging point 7 of 5 front side of front side 8 → ground wire of conducting wire hanging point cross-arm, 3 left end wire jumper bracket of middle cross-arm 2
Conducting wire hanging point 8 on rear side of 7 → side of wire jumper hanging point cross-arm, 4 left end of 3 left end wire jumper bracket of → ground wire cross-arm, 5 rear side.
C phase conductor: the wire jumper of 8 → ground wire of conducting wire hanging point cross-arm, 3 right end wire jumper bracket, 5 front side is hung on front side of 4 right end of side cross-arm
Point 7 → middle cross-arm 2 rear side conducting wire hanging point 8.
Fig. 4 and Fig. 5 are please referred to, second of transposition form:
A phase conductor: the wire jumper hanging point 7 of 4 right end of side cross-arm front side, 8 → ground wire of conducting wire hanging point cross-arm, 3 right end wire jumper bracket, 5 front side →
Wire jumper hanging point 7 → middle cross-arm 2 rear side conducting wire hanging point 8 of 3 right end wire jumper bracket of ground wire cross-arm, 5 rear side.
B phase conductor: on wire jumper hanging point 7 → while cross-arm 4 on 4 left end of cross-arm front side, 8 → wire jumper of conducting wire hanging point cross-arm 6
Conducting wire hanging point 8 on rear side of right end on 7 → side of wire jumper hanging point cross-arm 4.
C phase conductor: the wire jumper hanging point 7 of 5 front side of front side 8 → ground wire of conducting wire hanging point cross-arm, 3 left end wire jumper bracket of middle cross-arm 2
Conducting wire hanging point 8 on rear side of 7 → side of wire jumper hanging point cross-arm, 4 left end of 3 left end wire jumper bracket of → ground wire cross-arm, 5 rear side.
Fig. 6 and Fig. 7 are please referred to, the third transposition form:
A phase conductor: 7 → ground of wire jumper hanging point of 5 front side of front side 8 → ground wire of conducting wire hanging point cross-arm, 3 right end wire jumper bracket of middle cross-arm 2
Conducting wire hanging point 8 on rear side of 7 → side of wire jumper hanging point cross-arm, 4 right end of 3 right end wire jumper bracket of line cross-arm, 5 rear side.
B phase conductor: on 4 right end of cross-arm front side conducting wire hanging point 8 → while cross-arm, 4 right end wire jumper 7 → wire jumper of hanging point cross-arm 6
Conducting wire hanging point 8 on rear side of 7 → side of wire jumper hanging point cross-arm, 4 left end.
C phase conductor: the wire jumper of 8 → ground wire of conducting wire hanging point cross-arm, 3 left end wire jumper bracket, 5 front side is hung on front side of 4 left end of side cross-arm
Wire jumper hanging point 7 → middle cross-arm 2 rear side conducting wire hanging point 8 of 5 rear side of point 7 → ground wire cross-arm, 3 left end wire jumper bracket.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (4)
1. a kind of single loop transposition tower, comprising:
Tower body (1);
Ground wire cross-arm (3), is set on the top of the tower body (1);
Middle cross-arm (2), is set to the wherein side on the tower body (1);
Side cross-arm (4) is set on the tower body (1), and both ends extend to the tower body (1) two sides, and is located at wherein the middle cross and is carried on a shoulder pole
(2) lower section;
It is characterized in that, the transposition tower further include:
Wire jumper bracket (5) is arranged at the both ends of the ground wire cross-arm (3), is respectively arranged in two side bottoms of the wire jumper bracket (5)
There is a wire jumper hanging point (7);
Wire jumper cross-arm (6) is set on the tower body (1), and is provided with wire jumper hanging point (7) on the wire jumper cross-arm (6);
A conducting wire hanging point (8) are each provided in the front and rear sides of wherein the middle cross load (2), before and after the both ends of the side cross-arm (4)
Two sides are each provided with a conducting wire hanging point (8), and wherein one end bottom of the side cross-arm (4) is provided with wire jumper hanging point (7).
2. single loop transposition tower according to claim 1, which is characterized in that the ground wire cross-arm (3), wherein the middle cross load
(2) it is arranged in same vertical plane with the side cross-arm (4).
3. single loop transposition tower according to claim 1, which is characterized in that the wire jumper cross-arm (6) and the side cross-arm
(4) it is arranged in the same plane, and the wire jumper cross-arm (6) is vertical with side cross-arm (4), the wire jumper cross-arm (6) sets
Set the enter line side or outgoing line side in tower body (1).
4. single loop transposition tower according to claim 1, which is characterized in that the wire jumper bracket (5) and the ground wire are horizontal
Carry on a shoulder pole (3) vertically, and its both ends extends to the front and rear sides of tower body (1).
Priority Applications (1)
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CN201910742205.XA CN110284747A (en) | 2019-08-13 | 2019-08-13 | A kind of single loop transposition tower and interchanging method |
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CN201910742205.XA CN110284747A (en) | 2019-08-13 | 2019-08-13 | A kind of single loop transposition tower and interchanging method |
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CN201910742205.XA Pending CN110284747A (en) | 2019-08-13 | 2019-08-13 | A kind of single loop transposition tower and interchanging method |
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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 |
CN114319981A (en) * | 2021-11-26 | 2022-04-12 | 国网北京市电力公司 | Connecting structure, pole tower and connecting method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201868825U (en) * | 2010-11-23 | 2011-06-15 | 中国电力工程顾问集团东北电力设计院 | 500KV double-circuit self-transposition tower |
CN202026064U (en) * | 2011-05-13 | 2011-11-02 | 河北省电力勘测设计研究院 | Single-double hybrid power transmission line transposition tower with auxiliary arm |
CN105155908A (en) * | 2015-08-31 | 2015-12-16 | 国核电力规划设计研究院 | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' |
CN207368624U (en) * | 2017-08-31 | 2018-05-15 | 国核电力规划设计研究院有限公司 | A kind of transposition tower |
CN210508621U (en) * | 2019-08-13 | 2020-05-12 | 中国电建集团贵州电力设计研究院有限公司 | Single-loop transposition tower |
-
2019
- 2019-08-13 CN CN201910742205.XA patent/CN110284747A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201868825U (en) * | 2010-11-23 | 2011-06-15 | 中国电力工程顾问集团东北电力设计院 | 500KV double-circuit self-transposition tower |
CN202026064U (en) * | 2011-05-13 | 2011-11-02 | 河北省电力勘测设计研究院 | Single-double hybrid power transmission line transposition tower with auxiliary arm |
CN105155908A (en) * | 2015-08-31 | 2015-12-16 | 国核电力规划设计研究院 | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' |
CN207368624U (en) * | 2017-08-31 | 2018-05-15 | 国核电力规划设计研究院有限公司 | A kind of transposition tower |
CN210508621U (en) * | 2019-08-13 | 2020-05-12 | 中国电建集团贵州电力设计研究院有限公司 | Single-loop transposition tower |
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 |
CN114319981A (en) * | 2021-11-26 | 2022-04-12 | 国网北京市电力公司 | Connecting structure, pole tower and connecting method |
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