CN207526222U - Power transmission tower - Google Patents
Power transmission tower Download PDFInfo
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- CN207526222U CN207526222U CN201721352799.6U CN201721352799U CN207526222U CN 207526222 U CN207526222 U CN 207526222U CN 201721352799 U CN201721352799 U CN 201721352799U CN 207526222 U CN207526222 U CN 207526222U
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- tower
- power transmission
- insulator
- tower body
- head
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Abstract
The utility model is related to a kind of power transmission tower, including tower body, including being in the tower head of polygonal ring shape and being used to support the tower body of the tower head;The angle of the bottom of the tower head is connected to the top of the tower body;Interphase insulator V goes here and there, and suspension is connected on the tower head, and in the annular section of the tower head;And two groups of mutually compound cross-arms in side, respectively positioned at the both sides of the tower body;The end of the mutually compound cross-arm in side be connected in diverging arms or the tower body on, the diverging arms for the tower head bottom angle two sides.Above-mentioned power transmission tower, due to its special structure, the mutually compound cross-arm in side makes full use of the design feature of tower body, reduces width of corridor.
Description
Technical field
The utility model is related to technical field of electric power transmission, more particularly to a kind of power transmission tower.
Background technology
At present, power transmission tower is generally wineglass tower or cat-head transmission tower namely tower body in goblet shape or in cat head shape.But wineglass
The structure of tower and cat-head transmission tower is unfavorable for the further reduction of width of corridor.
Utility model content
Based on this, it is necessary to it is big to the width of corridor of power transmission tower in the prior art the problem of, it is small to provide a kind of width of corridor
Power transmission tower.
A kind of power transmission tower, including:
Tower body, including being in the tower head of polygonal ring shape and being used to support the tower body of the tower head;The tower head it is most lower
The angle of side is connected to the top of the tower body;
Interphase insulator V goes here and there, and suspension is connected on the tower head, and in the annular section of the tower head;
And two groups of mutually compound cross-arms in side, respectively positioned at the both sides of the tower body;The end of the mutually compound cross-arm in side connects
Be connected in diverging arms or the tower body on, the diverging arms for the tower head bottom angle two sides.
Above-mentioned power transmission tower, due to its special structure, the mutually compound cross-arm in side makes full use of the design feature of tower body, reduces
Width of corridor.
The mutually compound cross-arm in the side includes line insulator, support insulator and metal in one of the embodiments,
Connector;The end of the line insulator and the support insulator is linked together by the metal connecting piece.
End of the line insulator far from the metal connecting piece is connected to described point in one of the embodiments,
On yoke, end of the support insulator far from the metal connecting piece is connected on the tower body.
The support insulator is connect with the stretching crab bolt of the tower body in one of the embodiments,.
The line insulator hangs on the stretching plate of the diverging arms by connection gold utensil in one of the embodiments,
On.
End of the line insulator far from the metal connecting piece is connected to described point in one of the embodiments,
On yoke, end of the support insulator far from the metal connecting piece is connected to the connection of the tower body and the diverging arms
At point.
The quantity of the support insulator is two in one of the embodiments, the extension of two support insulators
The angle of line composition is 15 °~75 °.
The angle of the bottom of the tower head is 30 ° -120 ° in one of the embodiments,.
The power transmission tower further includes earth wire support in one of the embodiments, and the earth wire support is located at the tower head
Top both sides.
The tower body is built by several angle steel in one of the embodiments,.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the power transmission tower of one embodiment of the utility model.
Fig. 2 is the schematic elevation view of the power transmission tower in Fig. 1.
Fig. 3 is the schematic side view of the power transmission tower in Fig. 1.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with specific embodiment party
Formula, the present invention is further described in detail.It should be appreciated that the specific embodiments described herein are only used to solve
The utility model is released, is not used to limit the utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " packet
Include the arbitrary and all combination of one or more relevant Listed Items.
Referring to Fig. 1-3, the power transmission tower 100 of one embodiment of the utility model is gone here and there including tower body 110, interphase insulator V
130 and the mutually compound cross-arm 120 in two groups of sides.
Wherein, tower body 110 is the main part of power transmission tower 100, is the skeleton of power transmission tower 100.Its main function is to support
Interphase insulator V strings 130 and the mutually compound cross-arm 120 in two groups of sides are installed.
Specifically, tower body 110 includes tower head 111 and is used to support the tower body 112 of tower head 111.Tower head 111 is in polygon
Shape is cyclic annular, that is to say, that tower head 111 is end to end by several sides and connects cyclization.The region that tower head 111 is irised out forms tower window
101.Preferably, polygon is convex polygon, can effectively increase the area of tower window 101 in this way, is more advantageous to interphase insulation
The installation of sub- V strings 130.
In the present embodiment, 111 hexagonal ring-type of tower head.It is, of course, understood that the tower head of the utility model
111 are not limited to hexagonal annular, can also be other polygonal ring shapes, such as pentagon ring-type.
Specifically, the angle α of the bottom of tower head 111 is connected to the top of tower body 112, so as to which tower body 112 is with by tower head
111 supports.Tower body 110 is seen from the bottom up, and two sides of the angle α of the bottom of tower head 111 can regard 112 top part of tower body as
The branch gone out;So in the utility model, two sides of the angle α of 111 bottom of tower head are defined as diverging arms 1111.
Tower body 112 is in the form of a column.Preferably, tower body 112 is in column is bored, i.e. the top of tower body 112 is smaller, and bottom is larger,
It is more advantageous to the firm of entire tower body 110 in this way.
In the present embodiment, tower body 110 is built by several angle steel.It is, of course, understood that the utility model
Tower body 110 be not limited to above structure, can also be that other structures, such as composite material are built.
Wherein, it shows for convenience, interphase insulator V strings 130 is represented with V-shaped line in Fig. 1-2.Interphase insulator V
The main function of string 130 is to carry interphase power transmission line (not shown).130 suspension of interphase insulator V strings is connected to tower head
On 111, and interphase insulator V strings 130 are located in the annular section of tower head 111 namely interphase insulator V strings 130 are located at
At tower window 101, so as to which interphase power transmission line runs through power transmission tower 100 at tower window 101.
In the present embodiment, interphase insulator V strings 130 are preferably made of Composite Insulators.It is highly preferred that line
Form of the road composite insulator for cladding silicon rubber umbrella skirt outside glass fibre reinforced composion.
Wherein, the main function of the mutually compound cross-arm 120 in side is to carry side phase power transmission line (not shown).Two groups of sides are mutually compound
Cross-arm 120 is located at the both sides of tower body 110 respectively;That is, respectively there are the mutually compound cross-arm 120 in one group of side in the both sides of tower body 110.Side
The end of mutually compound cross-arm 120 is connected in diverging arms 1111 or on tower body 112.That is, the mutually compound cross-arm 120 in side is located at
In the angular domain of diverging arms 111 and tower body 112.The mutually compound cross-arm 120 in side makes full use of the features of shape of tower body 110 in this way,
Not only side phase power transmission line had been made far from interphase power transmission line, but also width of corridor can be reduced.
In the present embodiment, the mutually compound cross-arm 120 in side includes line insulator 121, support insulator 122, Yi Jijin
Belong to connector 123;Line insulator 121 and the end of support insulator 122 are linked together by metal connecting piece 123.Its
In, side phase power transmission line is hung on metal connecting piece 123, and line insulator 121 is subjected only to pulling force, and support insulator 122 is held
By pressure and moment of flexure.The structure power transmission that can make entire power transmission tower 100 in this way is clear, and design is more reasonable.
It is highly preferred that the mutually compound cross-arm 120 in one group of side includes two line insulators 121 and two support insulators 122
With a metal connecting piece 123.On the thickness direction of tower body, the projection of two line insulators 121 overlaps, and two pillars are exhausted
The projection of edge 122 also overlaps.Also just as shown in Figure 1, can only see positioned at the line insulator 121 of front and positioned at front
Support insulator 122, and can't see positioned at line insulator 121 below and positioned at support insulator 122 below.
Further, along close to 123 direction of metal connecting piece, two line insulators 121 move closer to;Along remote
From 123 direction of metal connecting piece, two line insulators 121 are drifted apart from.Similarly, along close to 123 side of metal connecting piece
To two support insulators 122 also move closer to;Along far from 123 direction of metal connecting piece, two support insulators 122 by
Gradually separate.The mutually compound cross-arm 120 in side can so more disperseed the power of tower body 110, makes overall structure more firm.
Preferably, the angle of the extended line composition of above-mentioned two support insulator 122 is 15 °~75 °.It can both hold in this way
The mechanical strength for the bigger received, and can ensure the insulation distance of compound cross-arm.
Preferably, end of the line insulator 121 far from metal connecting piece 123 is connected in diverging arms 1111, and pillar is exhausted
End of edge 122 far from metal connecting piece 123 is connected on tower body 112.That is, the top of the mutually compound cross-arm 120 in side
Divide and be connected in diverging arms 1111, and lower part is connected on tower body 112.The shape of tower body 110 can be further utilized in this way
Shape feature had not only made side phase power transmission line far from interphase power transmission line, but also can reduce width of corridor.
In the present embodiment, support insulator 122 is connect with the stretching crab bolt of tower body 112.Such stable connection, and
It is simple and convenient.It is, of course, understood that the support insulator 122 of the utility model and the connection of tower body 112 are not limited to
Above-mentioned form can also be that those skilled in the art think suitable other types of attachment.
In the present embodiment, line insulator 121 is hung on by connection gold utensil on the stretching plate of diverging arms 1111.This
Sample stable connection, and it is simple and convenient.It is, of course, understood that the line insulator 121 of the utility model and diverging arms 1111
Connection be not limited to above-mentioned form, can also be that those skilled in the art think suitable other types of attachment.
In the present embodiment, it is equipped with grading ring on line insulator 121 and support insulator 122.It is of course also possible to
According to actual conditions, one sets another to be not provided with or be both not provided with.
In the present embodiment, line insulator 121 is preferably composite line insulator, and support insulator 122 is preferably
Composite post insulator.It is highly preferred that line insulator 121 uses glass fiber reinforced composite material with support insulator 122
The form of the external cladding silicon rubber umbrella skirt of material.
In the present embodiment, it is preferable that angle is 30 °~120 ° between diverging arms 1111, makes tower body 112 and tower head
Structure between 111 is more firm, preferably the mutually compound cross-arm 120 in support edge.The lotus of power transmission tower each section can be increased in this way
Distributing homogeneity is carried, promotes whole tower mechanical property.
In the present embodiment, power transmission tower 100 further includes the earth wire support 115 for carrying ground wire (not shown), ground wire
Stent 115 is located at the top both sides of tower head 111.Due to the special construction of the utility model power transmission tower, compared to existing wineglass tower
And cat-head transmission tower, earth wire support 115 are shortened, and reduce the length of earth wire support 115, so as to save material, are mitigated
The weight of whole power transmission tower.
In the present embodiment, earth wire support 115 with tower head 111 equally by being built together with angle steel.
In another embodiment, end of the line insulator 121 far from metal connecting piece 130 is connected to transposition arm 1111
On, end of the support insulator 122 far from metal connecting piece 130 is connected at tower body 112 and the tie point of diverging arms 1111.
It is, of course, understood that the position for being connected to tower body 112 of line insulator 121 and support insulator 122
Above-mentioned position is not limited to, it can be with other positions.Such as line insulator is both connected to support insulator in diverging arms,
Or line insulator is both connected to support insulator on tower body.
The power transmission tower of the utility model, can significantly subtract the advantages of combining two kinds of towers of existing cat-head transmission tower and wineglass tower
Small power transmission line corridor reduces circuit removal cost, and the weight of power transmission tower mitigates significantly, installation and transportation cost reduction.This practicality
Novel power transmission tower can make full use of the insulation performance of compound cross-arm, not resuspend suspension insulator, not only save insulation
Sub- expense, and reduce power transmission tower and exhale height.The power transmission tower of the utility model is especially suitable for each voltage class tangent tower of major network.
The power transmission tower of the utility model, side can also reduce mutually using compound cross-arm, and then a large amount of steel can be saved
Tower head size reduces width of corridor;The characteristics of compound cross-arm is light, and easy processing is molded, can be greatly reduced power transmission tower
Transport and assembly cost;The characteristics of big, the stolen possibility of the corrosion-resistant of compound cross-arm, high-low temperature resistant, intensity is small, can reduce circuit
Maintenance cost;Simultaneously because Color tunable, nonhazardous, scrapping rear recycling, enhance " environment friendly " of circuit.
Power transmission tower provided by the utility model compared to conventional angle steel tower, can make to exhale high reduction, reduction line corridor is wide
Degree.Since the power transmission tower of the utility model does not need to suspension string, therefore it can reduce and exhale height, compared to the biography that 500kV exhales a height of 45m
System angle steel tower, exhales height that can reduce 3m.And the power transmission tower of the utility model advantage in terms of line corridor is reduced becomes apparent, and compares
500kV tradition wine glass-shaped angle steel towers, width of corridor can reduce 11m, reduce 43%;Compared to the compound cross-arm tower of 500kV wine glass-shapeds,
Width of corridor can also reduce 7m, reduce 32.4%.In addition, due to the reduction of earth wire support, the power transmission tower of the utility model
The compound cross-arm tower of angle steel weight ratio wine glass-shaped is light.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of power transmission tower, which is characterized in that including:
Tower body, including being in the tower head of polygonal ring shape and being used to support the tower body of the tower head;The bottom of the tower head
Angle is connected to the top of the tower body;
Interphase insulator V goes here and there, and suspension is connected on the tower head, and in the annular section of the tower head;
And two groups of mutually compound cross-arms in side, respectively positioned at the both sides of the tower body;The end of the mutually compound cross-arm in side is connected to
In diverging arms or on the tower body, side of the diverging arms for the angle of the bottom of the tower head.
2. power transmission tower according to claim 1, which is characterized in that the mutually compound cross-arm in side includes line insulator, branch
Column insulator and metal connecting piece;The line insulator is connect with the end of the support insulator by the metal
Part links together.
3. power transmission tower according to claim 2, which is characterized in that the line insulator is far from the metal connecting piece
End is connected in the diverging arms, and end of the support insulator far from the metal connecting piece is connected to the tower body
On.
4. power transmission tower according to claim 3, which is characterized in that the stretching plate spiral shell of the support insulator and the tower body
It tethers and connects.
5. power transmission tower according to claim 3, which is characterized in that the line insulator hangs on institute by connection gold utensil
It states on the stretching plate of diverging arms.
6. power transmission tower according to claim 2, which is characterized in that the line insulator is far from the metal connecting piece
End is connected in the diverging arms, end of the support insulator far from the metal connecting piece be connected to the tower body with
At the tie point of the diverging arms.
7. power transmission tower according to claim 2, which is characterized in that the quantity of the support insulator is two, two institutes
The angle for stating the extended line composition of support insulator is 15 °~75 °.
8. power transmission tower according to claim 1, which is characterized in that the angle of the bottom of the tower head is 30 °~120 °.
9. power transmission tower according to claim 1, which is characterized in that the power transmission tower further includes earth wire support, the ground wire
Stent is located at the top both sides of the tower head.
10. power transmission tower according to claim 1, which is characterized in that the tower body is built by several angle steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721352799.6U CN207526222U (en) | 2017-10-18 | 2017-10-18 | Power transmission tower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721352799.6U CN207526222U (en) | 2017-10-18 | 2017-10-18 | Power transmission tower |
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CN207526222U true CN207526222U (en) | 2018-06-22 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
CN109629899A (en) * | 2018-11-29 | 2019-04-16 | 中国电力科学研究院有限公司 | It is a kind of for exchanging 750kV with the device of four circuit power transmission tower of tower |
-
2017
- 2017-10-18 CN CN201721352799.6U patent/CN207526222U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
CN109629899A (en) * | 2018-11-29 | 2019-04-16 | 中国电力科学研究院有限公司 | It is a kind of for exchanging 750kV with the device of four circuit power transmission tower of tower |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: 501, building g, Hongqiao Green Valley, 69 Yonghong Road, Minhang District, Shanghai, 201100 Patentee after: Shanghai Shenma Electric Power Engineering Co.,Ltd. Address before: 226017 Jiangsu city of Nantong province Nantong economic and Technological Development Zone Science and Technology Industrial Park of Su Tong Jiang Cheng Road No. 1088 Jiang Park Building 3, room 1467, R & D Patentee before: JIANGSU SHENMA ELECTRIC Co.,Ltd. |
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TR01 | Transfer of patent right |