CN206829754U - 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop - Google Patents
0 °~20 ° corner crossover towers of 500kV ac transmissions single loop Download PDFInfo
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- CN206829754U CN206829754U CN201621396868.9U CN201621396868U CN206829754U CN 206829754 U CN206829754 U CN 206829754U CN 201621396868 U CN201621396868 U CN 201621396868U CN 206829754 U CN206829754 U CN 206829754U
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Abstract
The utility model discloses a kind of 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop, ground wire cross-arm, upper wire cross-arm and the lower wire cross-arm being arranged on including tower body and from top to bottom on tower body, described ground wire cross-arm is arranged on the top of tower body, upper wire cross-arm is arranged on the interior angle side of tower body, and ground wire cross-arm is arranged at the both sides of tower body with lower wire cross-arm；The top of the ground wire cross-arm is provided with ground wire hanging point, and the bottom of upper wire cross-arm and two side bottoms of lower wire cross-arm are respectively provided with conducting wire hanging point.The utility model significantly shortens the length of wire cross-arm, alleviates tower weight, and tower material is saved on the basis of electric clearance is met, cost is reduced, can ensure the security reliability of shaft tower.This kind of novel iron tower disclosure satisfy that the construction of line requirement of 500kV voltage class high altitude localities.
Description
Technical field
It the utility model is related to high voltage iron tower, and in particular to a kind of 0 °~20 ° corners of 500kV ac transmissions single loop are crossed over
Tower.
Background technology
In the prior art, the application of angle tower has a lot, although its designing technique is more ripe, can not also fit at present
Used in the region that 500kV voltage class intermediate altitude is in 4000~5000m, ice covering thickness is 10mm, due to electric clearance and bar
The change of tower load causes physical dimension and structural strength to be difficult to meet to require, using traditional angle tower, can not be implemented.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the problems of the prior art, there is provided a kind of 500kV ac transmissions list
0 °~20 ° of loop corner crossover tower, the electric clearance and structural strength of the tower disclosure satisfy that the requirement of high altitude localities.
To achieve these goals, the technical solution adopted in the utility model is：Set including tower body and from top to bottom
Ground wire cross-arm on tower body, on wire cross-arm and lower wire cross-arm, described ground wire cross-arm is arranged at the top of tower body, upper wire
Cross-arm is arranged on the interior angle side of tower body, and ground wire cross-arm is arranged at the both sides of tower body with lower wire cross-arm；The ground wire cross-arm
Top is provided with ground wire hanging point, and the bottom of upper wire cross-arm and two side bottoms of lower wire cross-arm are respectively provided with conducting wire hanging point.
Described ground wire cross-arm is in the end set wire jumper hanging point of tower body interior angle side, and lower wire cross-arm is at the end of tower body both sides
Portion is provided with wire jumper cross-arm, and wire jumper cross arm end is provided with jumper hole.
Tower body is provided with below lower wire cross-arm to be become at slope, is become at slope apart from the junction of lower wire cross-arm and tower body
For 6.0m.
Plane is rectangle on the ground wire cross-arm of tower body exterior angle side, and wide end mouth is 2.183m, upper wire cross-arm and
The lower plane of lower wire cross-arm is rectangle, and wide end mouth is respectively 3.452m and 4.891m.
Described ground wire hanging point is arranged on the upper plane of ground wire cross-arm, its exterior angle lateral extent tower body axis 9.1m, interior angle
Side ground wire hanging point is arranged at the upper plan range tower body axis 9.1m of ground wire cross-arm.
The conducting wire hanging point set on the upper wire cross-arm and lower wire cross-arm uses double hanging point, between the first hanging point
The distance between distance and second hanging point are 0.56m.
The overall length of the ground wire cross-arm is 21.7m, and the vertical height of itself and tower body junction is 2.6m, tower body exterior angle side
The cross-arm termination of line cross-arm is pointed, and end angle is 18.2 °；
The length of upper wire cross-arm is 1.16m, and the vertical height of itself and tower body junction is 2.0m, and tower body interior angle is led on side
The cross-arm termination of line cross-arm is pointed, and end angle is 56.8 °；
The overall length of lower wire cross-arm is 23.44m, and the vertical height of itself and tower body junction is 3.6m, tower body exterior angle side and
The cross-arm termination angle of interior angle side is 20.7 °.
Interlamellar spacing between the ground wire cross-arm and upper wire cross-arm is 10.0m；Upper wire cross-arm and lower wire cross-arm it
Between interlamellar spacing be 11.0m.
Described tower body is made of Q420 steel.
Compared with prior art, the utility model has following beneficial effect：For 500kV voltage class High aititudes
The characteristics of area, by reasonable Arrangement tower body structure, to ensure the security reliability of shaft tower, the utility model passes through upper wire is horizontal
Load is arranged on the interior angle side of tower body, and the wire jumper hanging point of upper wire is arranged on the ground wire cross-arm of interior angle side, effectively shortens wire
The length of cross-arm, alleviates tower weight, reduces cost.The lower wire cross-arm use that the utility model is arranged on tower body both sides is not right
Claim design, shorten the cross-arm length of tower body interior angle side, electric clearance can be met, save lot of materials again, alleviate tower
Weight.Tower body bottom connects tower leg, according to different topography and geomorphologies, can select short tower leg or long tower leg.In summary, this practicality
Novel iron tower sets up safety, disclosure satisfy that the construction of line requirement of 500kV voltage class high altitude localities.
Brief description of the drawings
Fig. 1 overall structure diagrams of the present utility model；
The structural representation of the short tower leg of Fig. 2 the utility model；
The structural representation of the long tower leg of Fig. 3 the utility model；
In accompanying drawing：1- tower bodies；2- ground wire cross-arms；The upper wire cross-arms of 3-；4- lower wire cross-arms；5- becomes at slope；6- junctions；
7- tower legs；The short tower legs of 8-；The long tower legs of 9-.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model in structure include tower body 1, ground wire cross-arm 2, on wire cross-arm 3, lower wire cross-arm
4th, 5, junction 6 and tower leg 7 at slope are become.Wherein, ground wire cross-arm 2 is arranged on the top of tower body 1, the top of upper wire cross-arm 3,
Ground wire cross-arm 2 includes the Liang Ge branches of unsymmetrical arrangement, respectively positioned at the left and right sides of tower body 1；The top of ground wire cross-arm 2 is set
There is ground wire hanging point, for hanging ground wire, ground wire plays a protective role to wire；The Liang Ge branches outermost end of ground wire cross-arm 2 is to tower
The distance of the axis of body 1 is respectively 9.1m, 12.6m, and ground wire cross-arm 2 and the height of tower body junction are 2.6m.The utility model
The bottom of upper wire cross-arm 3 and lower wire cross-arm 4 is provided with conducting wire hanging point, and from double extension forms.
Upper wire cross-arm 3 is used to hang a phase transmission pressure, and meets the requirement of electric clearance.Cross-arm length is 1.16m,
The vertical height of cross-arm root and tower body junction is 2.0m, and top shape is pointed, and angle is 56.8 °.
Lower wire cross-arm 4 is used to hang two-phase transmission pressure, and meets the requirement of electric clearance.Cross-arm total length is
23.44m, including left horizontal stretcher, right horizontal stretcher, the tower body part being connected with cross-arm, remove tower body width, and left and right cross-arm one side length is equal
For 9.3m, tower body both sides are arranged at, to tower head the right and left horizontal stretching, the vertical height of cross-arm root and tower body junction is
3.6m, top shape are pointed, and angle is 20.7 °, and increases wire jumper cross-arm, high 0.8m in left and right cross arm end；Wire
Hanging point is double hanging point, and left side, right side cross-arm conducting wire hanging point are separately positioned at tower body center 11.72m and 12.28m.
Interlamellar spacing between the utility model ground wire cross-arm 2 and upper wire cross-arm 3 is 10.0m；Led on of the present utility model
Interlamellar spacing between line cross-arm 3 and lower wire cross-arm 4 is 11.0m.
Transmission pressure of the present utility model is connected using duplex gold utensil with tower body 1, upper wire cross-arm 3 and lower wire cross-arm
4 conducting wire hanging point sets two hanging points to be connected with gold utensil respectively, and reasonable structural arrangement, power transmission is clear and definite, has ensured the safety of engineering
Operation.
The ground wire hanging point of the utility model angle tower is arranged on the top of ground wire cross-arm 2, and conducting wire hanging point is separately positioned on
The bottom of wire cross-arm 3 and lower wire cross-arm 4, hanging point uses hanging plate pattern, effective to strengthen hanging so as to avoid welding job
The stress performance of point, meets the requirements such as the intensity of hanging wire node.
Into 6.0m, rational selection becomes for 5 junction 6 between lower wire cross-arm 4 and tower body 1 at slope that becomes of tower body 1
5 position can effectively save material at slope, and be convenient to process and mount.The main material of tower body 1 mainly uses Q420 high-strength steel, main
Material rigidity changes according to rule from top to bottom, and welding is few, easy for construction, and tower weight reduces.Referring to Fig. 2,3, the bottom of tower body 1 is connected with
Tower leg 7, tower leg 7 selects short tower leg 8 or long tower leg 9, to adapt to different topography and geomorphologies.
The wire jumper hanging point of upper wire is arranged on the ground wire cross-arm of interior angle side by the utility model angle tower, is significantly contracted
The short length of upper wire cross-arm, tower weight is alleviated, save tower material, reduce cost.Pass through reasonable Arrangement tower body structure and choosing
Material ensures the security reliability of shaft tower；Electric clearance is met by reasonable Arrangement wire cross-arm and wire jumper cross-arm；Lower wire is horizontal
The left and right branch of load uses asymmetric design, shortens the cross-arm length of interior angle side, can meet electric clearance, save again
Material, mitigate tower weight.In summary, this kind of novel iron tower disclosure satisfy that the construction of line of 500kV voltage class high altitude localities
It is required that.
Claims (5)
- A kind of 1. 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop, it is characterised in that：Including tower body (1) and from upper Ground wire cross-arm (2), upper wire cross-arm (3) and the lower wire cross-arm (4) being arranged under and on tower body (1), described ground wire cross-arm (2) top of tower body (1) is arranged on, the upper wire cross-arm (3) is arranged on the interior angle side of tower body (1), and ground wire cross-arm (2) is with Wire cross-arm (4) is arranged at the both sides of tower body (1)；The top of the ground wire cross-arm (2) is provided with ground wire hanging point, and upper wire is horizontal Carry on a shoulder pole the bottom of (3) and two side bottoms of lower wire cross-arm (4) are respectively provided with conducting wire hanging point；Plane is rectangle on the ground wire cross-arm (2) of tower body (1) the exterior angle side, and wide end mouth is 2.183m, upper wire cross-arm (3) and the lower plane of lower wire cross-arm (4) is rectangle, and wide end mouth is respectively 3.452m and 4.891m；Described ground wire is hung Point is arranged on the upper plane of ground wire cross-arm (2), its exterior angle lateral extent tower body (1) axis 9.1m, and interior angle side ground wire hanging point is set At upper plan range tower body (1) the axis 9.1m of ground wire cross-arm (2)；The overall length of the ground wire cross-arm (2) is 21.7m, and the vertical height of itself and tower body (1) junction is 2.6m, and tower body (1) is outside The cross-arm termination of angle side ground wire cross-arm (2) is pointed, and end angle is 18.2 °；The length of upper wire cross-arm (3) is 1.16m, and the vertical height of itself and tower body (1) junction is 2.0m, tower body (1) interior angle The cross-arm termination of wire cross-arm (3) is pointed on side, and end angle is 56.8 °；The overall length of lower wire cross-arm (4) is 23.44m, and the vertical height of itself and tower body (1) junction is 3.6m, tower body (1) exterior angle The cross-arm termination angle of side and interior angle side is 20.7 °；Interlamellar spacing between the ground wire cross-arm (2) and upper wire cross-arm (3) is 10.0m；Upper wire cross-arm (3) is horizontal with lower wire The interlamellar spacing carried on a shoulder pole between (4) is 11.0m.
- 2. 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop according to claim 1, it is characterised in that：It is described Ground wire cross-arm (2) in the end set wire jumper hanging point of tower body (1) interior angle side, lower wire cross-arm (4) is at the end of tower body (1) both sides Portion is provided with wire jumper cross-arm, and wire jumper cross arm end is provided with jumper hole.
- 3. 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop according to claim 1, it is characterised in that：It is described Tower body (1) is provided with below lower wire cross-arm (4) to be become at slope (5), and (5) are apart from lower wire cross-arm (4) and tower body at change slope (1) junction (6) is 6.0m.
- 4. 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop according to claim 1, it is characterised in that：It is described The conducting wire hanging point set on upper wire cross-arm (3) and lower wire cross-arm (4) use the distance between double hanging point, the first hanging point with The distance between second hanging point is 0.56m.
- 5. 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop according to claim 1, it is characterised in that：It is described Tower body (1) be made of Q420 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396868.9U CN206829754U (en) | 2016-12-19 | 2016-12-19 | 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396868.9U CN206829754U (en) | 2016-12-19 | 2016-12-19 | 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop |
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|---|---|
| CN206829754U true CN206829754U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621396868.9U Active CN206829754U (en) | 2016-12-19 | 2016-12-19 | 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236015A (en) * | 2018-11-20 | 2019-01-18 | 国家电网有限公司 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
-
2016
- 2016-12-19 CN CN201621396868.9U patent/CN206829754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236015A (en) * | 2018-11-20 | 2019-01-18 | 国家电网有限公司 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
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