CN206128796U - Cat head tangent tower - Google Patents
Cat head tangent tower Download PDFInfo
- Publication number
- CN206128796U CN206128796U CN201620993288.1U CN201620993288U CN206128796U CN 206128796 U CN206128796 U CN 206128796U CN 201620993288 U CN201620993288 U CN 201620993288U CN 206128796 U CN206128796 U CN 206128796U
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- arm
- type insulator
- insulator chain
- tower
- support arm
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Abstract
The utility model discloses a cat head tangent tower belongs to the transmission facility field. Cat head tangent tower includes that body of the tower, two are cranked arm, crossbeam, two ground wire framves, two wire cross arms, three I type insulator chain and V type insulator chain. The utility model discloses a two crank arm, crossbeam and two ground wires frame form the cat head shapes, a I type insulator chain among the three I type insulator chain hangs at central beam, V type insulator chain's both ends hang respectively on two are cranked arm, the point that hangs V type insulator chain with two on point that the middle part of crossbeam hung I type insulator chain is cranked arm forms triangle -shaped on the space, looks wire in hanging through this I type insulator chain and V type insulator chain, when with the utility model is used for high wind speed when area, V type insulator chain centering looks wire produces along the pulling force of horizontal direction, and the amplitude of fluctuation of looks wire in the restriction, and then the clearance of looks wire in reducing reduce tower window width, reduce the tower head size, alleviate iron tower weight.
Description
Technical field
This utility model is related to field of transmission equipment, more particularly to a kind of Caput Felis domestica tangent tower.
Background technology
Caput Felis domestica tangent tower is a kind of single back transmission line steel tower of exchange, because the tower window shape formed on its tower head is obtained like cat face
Name, and be widely used because of the advantages of its pattern is succinct, power transmission is clear, tower weight is reasonable and operation maintenance facilitates.
The three-phase conducting wire of current Caput Felis domestica tangent tower adopts the hanging wire mode of I type strings, wherein, biphase side wire passes through
Hanger is suspended on the wire cross-arm extended by tower window both sides, and middle phase conductor is hung on crossbeam middle part.
During this utility model is realized, inventor has found that prior art at least has problems with：
Transmission line of electricity by way of high wind speed area when, engineering design basic wind speed up to 39m/s and more than, by strong wind operating mode
Affect, wire angle of wind deflection is larger, and the gap of wire is larger during design, current Caput Felis domestica tangent tower is applied to into high wind speed area
When, it is the electric clearance requirement of phase conductor in satisfaction, tower window width is wider, causes tower head size larger, steel tower heavier-weight, consumption
Material is more, relatively costly.
Utility model content
When being applied to high wind speed area to solve existing Caput Felis domestica tangent tower, tower window width need to be increased, cause tower head chi
The more and relatively costly problem of very little larger, steel tower heavier-weight, consumptive material, it is straight that this utility model embodiment provides a kind of Caput Felis domestica
Transmission tower.The technical scheme is as follows：
A kind of Caput Felis domestica tangent tower, the Caput Felis domestica tangent tower include tower body, two crank arm, crossbeam, two earth wire racks, two lead
Line cross-arm, three I types insulator chains and a V-type insulator chain；
It is described two crank arm in each crank arm and be separately fixed at the tower body upper end, the two ends of the crossbeam are fixed respectively
In described two upper ends cranked arm, described two earth wire racks are separately fixed at the two ends of the crossbeam, it is described two crank arm, it is described
Crossbeam and described two earth wire racks form Caput Felis domestica shape, and described two wire cross-arms are separately positioned on described two cranking arm away from that
This side, two I type insulator chains in three I type insulator chains are hung in the end of described two wire cross-arms
Portion, another I type insulator chain in three I type insulator chains hangs over the middle part of the crossbeam, the V-type insulator chain
Two ends be hung on described two cranking arm, the middle part of the crossbeam hangs the point of I type insulator chains and cranks arm with described two
The upper point for hanging the V-type insulator chain spatially forms triangle；
Ground wire is hung by described two earth wire racks, by the two I types insulation being suspended on described two wire cross-arms
Substring hangs biphase side wire, by the I types insulator chain being suspended on the crossbeam and the V being suspended on described two cranking arm
Phase conductor in the suspension of type insulator chain.
Specifically, it is described two crank arm in each crank arm include first support arm, second support arm and the 3rd support arm, it is described
First support arm is fixed on the upper end of the tower body, and the second support arm is fixed on the upper end of the first support arm, described 3rd
Arm is fixed on the upper end of the second support arm, and the second support arm and the 3rd support arm form K-type structure, and described two songs
The first support arm and second support arm of arm forms single head fork spanner shape structure with the tower body.
Further, the two ends of the V-type insulator chain are hung in described each second support arm and the 3rd for cranking arm
At the junction point of support arm.
Specifically, the angle that the V-type insulator chain is formed is between 140 °～170 °.
Further, described two wire cross-arms are separately fixed at away from each other one of described two first support arms cranked arm
Side upper end, and the relatively described first support arm of described two wire cross-arms is downward-sloping.
Specifically, the ground wire lightning protection angle of the Caput Felis domestica tangent tower is more than or equal to 15 degree.
Specifically, the tower body is variable section structure, and from top to bottom, the cross-sectional area of the tower body becomes successively big.
Specifically, the Caput Felis domestica tangent tower is angle steel type tangent tower.
Specifically, the Caput Felis domestica tangent tower is steel pipe type tangent tower.
Specifically, institute's Caput Felis domestica tangent tower is steel pipe and angle steel mixed type tangent tower.
The beneficial effect brought of technical scheme that this utility model embodiment is provided is：
This utility model is cranked arm by two, crossbeam and two earth wire racks form Caput Felis domestica shapes, in three I type insulator chains
An I type insulator chain hang over crossbeam middle part, the two ends of V-type insulator chain be hung in two crank arm on, the middle part of crossbeam
The point of the point for hanging I type insulator chains and two upper suspension V-type insulator chains of cranking arm spatially forms triangle, by the I
Phase conductor in type insulator chain and the suspension of V-type insulator chain, when this utility model is used for into high wind speed area, V-type insulator
String centering phase conductor produces pulling force in the horizontal direction, the electricity of phase conductor in the amplitude of fluctuation of phase conductor in restriction, and then reduction
Gas gap, reduces tower window width, reduces tower head size, mitigates steel tower weight, reduces steel tower consumptive material, reduces production cost.
Description of the drawings
Technical scheme in order to be illustrated more clearly that this utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the Caput Felis domestica tangent tower that the embodiment of this utility model one is provided；
Fig. 2 is the structural representation of the Caput Felis domestica tangent tower that the another embodiment of this utility model is provided.
Wherein：
1 tower body,
2 crank arm, 21 first support arms, 22 second support arms, 23 the 3rd support arms,
3 crossbeams,
4 earth wire racks,
5 wire cross-arms,
6I type insulator chains,
7V type insulator chains,
α ground wire lightning protections angle.
Specific embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
As shown in figure 1, this utility model embodiment provide a kind of Caput Felis domestica tangent tower, the Caput Felis domestica tangent tower include tower body 1,
Two crank arm 3, two, 2, crossbeam, 5, three I types insulator chains 6 of the wire cross-arm of earth wire rack 4, two and a V-type insulator chains 7；
Two each cranked arm in 2 are cranked arm and 2 are separately fixed at the upper end of tower body 1, and the two ends of crossbeam 3 are separately fixed at two songs
The upper end of arm 2, two earth wire racks 4 are separately fixed at the two ends of crossbeam 3, two crank arm 2, crossbeam 3 and two formation cats of earth wire racks 4
Head shapes, two wire cross-arms 5 are separately positioned on two 2 sides away from each other of cranking arm, two in three I types insulator chains 6
Individual I types insulator chain 6 is hung in the end of two wire cross-arms 5, another I type insulator in three I types insulator chains 6
The middle part that string 6 hangs over crossbeam 3, the two ends of V-type insulator chain 7 are hung in two and crank arm on 2, and it is exhausted that the middle part of crossbeam 3 hangs I types
The point of edge substring 6 and two crank arm and the point of V-type insulator chain 7 is hung on 2 spatially form triangle；
Ground wire is hung by two earth wire racks 4, is hanged by two I types insulator chains 6 being suspended on two wire cross-arms 5
Biphase side wire is hung, by the I types insulator chain 6 being suspended on crossbeam 3 and two V-type insulator chains 7 cranked arm on 2 is suspended on
Phase conductor in suspension.
In this utility model embodiment, two 2 lower ends of cranking arm are fixed by welding in respectively the upper end of tower body 1, two
Crank arm 2 main material and secondary material arranged crosswise, the two ends of crossbeam 3 be fixed by welding in two crank arm 2 upper end, two earth wire racks
4 two ends for being fixed by welding in crossbeam 3, the tower window of two crank arm 2 and the composition cat face shapes of crossbeam 3, and two 2, horizontal strokes of cranking arm
Beam 3 and two earth wire racks 4 form cat head-like structure, and two wire cross-arms 5 are separately fixed at the both sides of tower window, and positioned at two songs
The bottom of arm 2, two crank arm 2, two earth wire racks 4 and two Caput Felis domestica that relatively this utility model embodiment is provided of wire cross-arm 5
The centrage of tangent tower is symmetrical.
Two I types insulator chains 6 in three I types insulator chains 6 are hung in the end (wire of two wire cross-arms 5
The one end of cross-arm 5 away from tower body), to hang biphase side wire, another I types insulator chain 6 hangs over the middle part of crossbeam 3, and V-type is exhausted
The two ends of edge substring 7 are hung in two and crank arm on 2, and the middle part of crossbeam 3 hangs the point of I types insulator chain 6 and two are cranked arm on 2
The point for hanging V-type insulator chain 7 spatially forms triangle, by hanging over the I types insulator chain 6 on crossbeam 3 and hanging over two
The individual V-type insulator chain 7 cranked arm on 2 hang jointly in phase conductor, the vertical load of middle phase conductor is undertaken by I types insulator chain 6
Lotus, by V-type insulator chain 7 amplitude of fluctuation of phase conductor in the horizontal load of middle phase conductor, and restriction is undertaken.
Certainly, skilled person will appreciate that, in this utility model embodiment, be suspended on two wire cross-arms 5
Insulator chain is alternatively V-type insulator chain or L-type insulator chain.
This utility model is by two crank arm 2, crossbeams 3 and two formation Caput Felis domestica shapes of earth wire racks 4, three I type insulators
An I types insulator chain 6 in string 6 hangs over the middle part of crossbeam 3, and the two ends of V-type insulator chain 7 are hung in two and crank arm on 2, horizontal
The middle part of beam 3 hangs the point of I types insulator chain 6 and two points of suspension V-type insulator chain 7 on 2 of cranking arm spatially form three
It is angular, phase conductor in being hung by the I types insulator chain 6 and V-type insulator chain 7, when this utility model is used for into high wind speed ground
Qu Shi, the centering phase conductor of V-type insulator chain 7 produces pulling force in the horizontal direction, the amplitude of fluctuation of phase conductor in restriction, and then subtracts
The electric clearance of little middle phase conductor, reduces tower window width, reduces tower head size, mitigates steel tower weight, reduces steel tower consumptive material, reduces
Production cost.
As shown in figure 1, in this utility model embodiment, two each cranked arm in 2 are cranked arm and 2 include first support arm
21st, the support arm 23 of second support arm 22 and the 3rd, first support arm 21 is fixed on the upper end of tower body 1, and second support arm 22 is fixed on first
The upper end of arm 21, the 3rd support arm 23 is fixed on the upper end of second support arm 22, and second support arm 22 and the 3rd support arm 23 form K-type knot
Structure, and two crank arm 2 first support arm 21 and second support arm 22 and tower body 1 form single head fork spanner shape structure.
In this utility model embodiment, two 2 first support arm 21 and tower bodies 1 of cranking arm form y-type structure, and two are cranked arm
2 first support arm 21 and second support arm 22 form single head fork spanner shape structure with tower body 1, each crank arm 2 the He of second support arm 22
3rd support arm 23 forms K-type structure, and simple structure, power transmission is clear, and in this utility model embodiment, first support arm 21, the
The length of two support arms 22 and the 3rd support arm 23 specifically sets according to the wind speed in strong wind area, when wind speed is larger, first support arm 21
Length is bigger than normal, and when wind speed is less, the length of first support arm 21 is less than normal.
As shown in figure 1, in this utility model embodiment, the two ends of V-type insulator chain 7 are hung in each and crank arm 2
At the junction point of the support arm 23 of second support arm 22 and the 3rd.
In this utility model embodiment, the junction point of the support arm 23 of second support arm 22 and the 3rd is that distance is farthest in tower window
Two points, the two ends of V-type insulator chain 7 be hung in each crank arm 2 the support arm 23 of second support arm 22 and the 3rd junction point at,
The angle that V-type insulator chain 7 is formed is preferable to limiting the effect of amplitude of fluctuation of wire between 140 °～170 °.Engineering practice
Show, when the two ends of V-type insulator chain 7 be hung in each crank arm 2 the support arm 23 of second support arm 22 and the 3rd junction point at
When, because V-type insulator chain 7 limits the amplitude of fluctuation of wire, the size of tower head can be reduced in design process, bring following effect
Really：When this utility model is applied to into 220kV transmission lines of electricity, tower weight can reduce by 9%～14%；When by this utility model application
When 500kV transmission lines of electricity, tower weight can reduce by 7%～13%.
As shown in Fig. 2 in this utility model embodiment, the two ends of V-type insulator chain 7 can also be hung in each and crank arm
At 2 first support arm 21 and the junction point of second support arm 22, the angle that V-type insulator chain 7 is formed is at 120 ° or so, and V-type insulate
Also V-type insulator chain is hung up by I types insulator chain 6 at 120 ° or so in the angle that the both sides of substring 7 are formed with I types insulator chain 6
7, wire is limited by V-type insulator chain 7 and is swung.
As shown in figure 1, in this utility model embodiment, two wire cross-arms 5 be separately fixed at two crank arm 2 first
The side upper end away from each other of support arm 21, and two wire cross-arms 5 are downward-sloping with respect to first support arm 21, I types insulator chain 6
Directly the end of wire cross-arm 5 can be hung over by gold utensil, make full use of the double team region between wire cross-arm 5 and first support arm 21,
Reduce line corridor width, reduce line cost, engineering practice shows, when this utility model is applied to into 220kV transmission lines of electricity
When, line corridor width can reduce 2.5～3.1m, and when being applied to 500kV transmission lines of electricity, line corridor width can reduce 4.2～
5.5m。
As shown in figure 1, in this utility model embodiment, the ground wire lightning protection angle α of Caput Felis domestica tangent tower is more than or equal to
15 degree.
In this utility model embodiment, the ground wire lightning protection angle of the Caput Felis domestica tangent tower that this utility model embodiment is provided
α is：The plumb line of the ground wire hanging point on each earth wire rack 4 crossed in two earth wire racks 4 and the ground wire hanging point crossed on the earth wire rack 4
And the angle of the line being suspended between the minimum point of the I types insulator chain 6 on the wire cross-arm 5 with its homonymy, by this reality
The ground wire lightning protection angle α of the Caput Felis domestica tangent tower provided with new embodiment is more than or equal to 15 degree, it is to avoid thunderbolt is transmitted electricity
Circuit, it is ensured that the wire safety being erected on the Caput Felis domestica tangent tower of this utility model embodiment offer.
As shown in figure 1, in this utility model embodiment, tower body 1 is variable section structure, and from top to bottom, the horizontal stroke of tower body 1
Sectional area becomes successively big.
In this utility model embodiment, tower body 1 is cut with horizontal plane, tower body 1 can be obtained for variable section structure, and tower body 1 from
Cross-sectional area under up to becomes successively big so that the Caput Felis domestica tangent tower reasonable stress that this utility model embodiment is provided, and safely may be used
Lean on.
In this utility model embodiment, Caput Felis domestica tangent tower be angle steel type tangent tower, simple structure, convenient processing and manufacture,
Rigidity is preferable.Certainly, skilled person will appreciate that, this utility model embodiment provide Caput Felis domestica tangent tower be alternatively steel pipe type
Tangent tower, blast is less, and the radius of gyration is larger, and structural-load-carrying capacity is stronger, while can also reduce rod member quantity, tower week is built in shortening
Phase, it is easy to structure diversification.The Caput Felis domestica tangent tower that this utility model embodiment is provided can be also steel pipe and angle steel mixed type straight line
Tower, preferably, bearing capacity is stronger, it is easy to structure diversification for the rigidity of structure.
Above-mentioned this utility model embodiment sequence number is for illustration only, does not represent the quality of embodiment.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit this utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of Caput Felis domestica tangent tower, it is characterised in that the Caput Felis domestica tangent tower include tower body, two crank arm, crossbeam, two ground wires
Frame, two wire cross-arms, three I types insulator chains and a V-type insulator chains；
It is described two crank arm in each crank arm and be separately fixed at the tower body upper end, the two ends of the crossbeam are separately fixed at institute
State two upper ends cranked arm, described two earth wire racks are separately fixed at the two ends of the crossbeam, it is described two crank arm, the crossbeam
And described two earth wire racks form Caput Felis domestica shapes, described two wire cross-arms be separately positioned on it is described two crank arm it is away from each other
Side, two I type insulator chains in three I type insulator chains are hung in the end of described two wire cross-arms, institute
State the middle part that another I type insulator chain in three I type insulator chains hangs over the crossbeam, the two of the V-type insulator chain
End is hung on described two cranking arm, and the middle part of the crossbeam hangs the point of I type insulator chains with described two upper hanging of cranking arm
The point for hanging the V-type insulator chain spatially forms triangle；
Ground wire is hung by described two earth wire racks, by two I type insulator chains being suspended on described two wire cross-arms
Biphase side wire is hung, it is exhausted by the I types insulator chain being suspended on the crossbeam and the V-type being suspended on described two cranking arm
Phase conductor in the suspension of edge substring.
2. Caput Felis domestica tangent tower according to claim 1, it is characterised in that it is described two crank arm in each crank arm and include
First support arm, second support arm and the 3rd support arm, the first support arm is fixed on the upper end of the tower body, and the second support arm is fixed
In the upper end of the first support arm, the 3rd support arm is fixed on the upper end of the second support arm, the second support arm and described
3rd support arm forms K-type structure, and described two first support arms cranked arm and second support arm are stayed with tower body formation single head and pulled
Handss shape structure.
3. Caput Felis domestica tangent tower according to claim 2, it is characterised in that the two ends of the V-type insulator chain are hung in
At the junction point of described each second support arm for cranking arm and the 3rd support arm.
4. Caput Felis domestica tangent tower according to claim 3, it is characterised in that the angle that the V-type insulator chain is formed is at 140 °
Between～170 °.
5. Caput Felis domestica tangent tower according to claim 2, it is characterised in that described two wire cross-arms are separately fixed at described
Two first support arms cranked arm side upper end away from each other, and the relatively described first support arm of described two wire cross-arms is downward
Incline.
6. Caput Felis domestica tangent tower according to claim 1, it is characterised in that the ground wire lightning protection angle of the Caput Felis domestica tangent tower
More than or equal to 15 degree.
7. Caput Felis domestica tangent tower according to claim 1, it is characterised in that the tower body is variable section structure, and from up to
Under, the cross-sectional area of the tower body becomes successively big.
8. the Caput Felis domestica tangent tower according to claim 1-7 any one claim, it is characterised in that the Caput Felis domestica tangent tower
For angle steel type tangent tower.
9. the Caput Felis domestica tangent tower according to claim 1-7 any one claim, it is characterised in that the Caput Felis domestica tangent tower
For steel pipe type tangent tower.
10. the Caput Felis domestica tangent tower according to claim 1-7 any one claim, it is characterised in that institute's Caput Felis domestica tangent tower
For steel pipe and angle steel mixed type tangent tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993288.1U CN206128796U (en) | 2016-08-30 | 2016-08-30 | Cat head tangent tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993288.1U CN206128796U (en) | 2016-08-30 | 2016-08-30 | Cat head tangent tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206128796U true CN206128796U (en) | 2017-04-26 |
Family
ID=58566008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620993288.1U Active CN206128796U (en) | 2016-08-30 | 2016-08-30 | Cat head tangent tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206128796U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575081A (en) * | 2017-08-31 | 2018-01-12 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN111519970A (en) * | 2020-04-28 | 2020-08-11 | 广东电网有限责任公司揭阳供电局 | 220kV transmission line single-loop iron tower |
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
-
2016
- 2016-08-30 CN CN201620993288.1U patent/CN206128796U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575081A (en) * | 2017-08-31 | 2018-01-12 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107575081B (en) * | 2017-08-31 | 2019-05-31 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN111519970A (en) * | 2020-04-28 | 2020-08-11 | 广东电网有限责任公司揭阳供电局 | 220kV transmission line single-loop iron tower |
| CN111519970B (en) * | 2020-04-28 | 2022-01-25 | 广东电网有限责任公司揭阳供电局 | 220kV transmission line single-loop iron tower |
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
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