CN206337888U - A kind of 30 °~60 ° single loop corner crossover towers of ac transmission - Google Patents
A kind of 30 °~60 ° single loop corner crossover towers of ac transmission Download PDFInfo
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- CN206337888U CN206337888U CN201621398718.1U CN201621398718U CN206337888U CN 206337888 U CN206337888 U CN 206337888U CN 201621398718 U CN201621398718 U CN 201621398718U CN 206337888 U CN206337888 U CN 206337888U
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Abstract
A kind of 30 °~60 ° single loop corner crossover towers of ac transmission, ground wire cross-arm, upper wire cross-arm and lower wire cross-arm on tower body are arranged on including tower body and from top to bottom, ground wire cross-arm is arranged on the top of tower body, 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;Ground wire cross-arm sets wire jumper hanging point in the end of tower body interior angle side, and lower wire cross-arm is equipped with wire jumper cross-arm in the end of tower body both sides, and wire jumper cross arm end is provided with jumper hole;The top of the ground wire cross-arm is provided with ground wire hanging point, and two side bottoms of upper wire cross-arm bottom and lower wire cross-arm are respectively provided with conducting wire hanging point, and conducting wire hanging point uses double hanging point.The utility model largely 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, disclosure satisfy that the larger high altitude localities construction of line requirement of wind speed.
Description
Technical field
The utility model is related to a kind of high voltage iron tower, and in particular to a kind of 30 °~60 ° single loop corners of ac transmission are crossed over
Tower.
Background technology
In the prior art, the application of single loop angle tower is a lot, although its designing technique is more ripe, can not also at present
It is useful in the High aititude (height above sea level that design wind speed is 31m/s>4000m) region, due to the change of electric clearance and tower load
Change causes physical dimension and structural strength to be difficult to meet requirement, using traditional angle tower, it is impossible to implemented.
Utility model content
The purpose of this utility model is that there is provided a kind of 30 °~60 ° of ac transmission for above-mentioned the problems of the prior art
Single loop corner crossover tower, the electric clearance and structural strength of the tower disclosure satisfy that the larger high altitude localities of wind speed is required.
To achieve these goals, the technical solution adopted in the utility model is:
Ground wire cross-arm, upper wire cross-arm and lower wire cross-arm on tower body, ground are arranged on including tower body and from top to bottom
Line cross-arm is arranged on the top of tower body, and wire cross-arm is arranged on the interior angle side of tower body, and ground wire cross-arm is respectively provided with lower wire cross-arm
In the both sides of tower body;Ground wire cross-arm sets wire jumper hanging point, end of the lower wire cross-arm in tower body both sides in the end of tower body interior angle side
Portion is equipped with wire jumper cross-arm, and wire jumper cross arm end is provided with jumper hole;The top of the ground wire cross-arm is provided with ground wire hanging point, on
The bottom of wire cross-arm and two side bottoms of lower wire cross-arm are respectively provided with conducting wire hanging point, and conducting wire hanging point uses double hanging point;Institute
The upper plane for stating ground wire cross-arm is rectangle, and the lower plane of upper wire cross-arm and lower wire cross-arm is rectangle, and the bottom of tower body connects
It is connected to tower leg.
Tower body is provided with below lower wire cross-arm at change slope, at described change slope apart from lower wire cross-arm and tower body it
Between junction be 6.0m.
The upper plane exterior angle side end mouthful of the ground wire cross-arm is wide to be 2.094m, upper wire cross-arm and lower wire cross-arm
Wide lower plane end mouthful is respectively 3.404m and 4.89m.
Described ground wire hanging point is arranged on the upper plane of ground wire cross-arm, the axis 10.0m of its exterior angle lateral extent tower body, ground
Line hanging point uses double hanging point, and the first ground wire hanging point of tower body interior angle side is arranged on the axis of plan range tower body on ground wire cross-arm
At 9.1m, the second ground wire hanging point of tower body interior angle side is arranged at the axis 13.4m of plan range tower body on ground wire cross-arm, the
One ground wire hanging point spacing is 4.3m with the second ground wire hanging point spacing.
The distance between hanging point of upper wire cross-arm and lower wire cross-arm is 0.64m.
The overall length of the ground wire cross-arm is 23.4m, and its vertical height with 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 16.5 °;
The length of upper wire cross-arm is 1.24m, and it is 2.0m with the vertical height of tower body junction, and tower body interior angle is led on side
The cross-arm termination of line cross-arm is pointed, and end angle is 55.6 °;
The overall length of lower wire cross-arm is 24.36m, and it is 3.6m with the vertical height of tower body junction, tower body exterior angle side
Termination angle is 18.9 °, and tower body interior angle side head angle 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 the high altitude localities that wind speed is larger
Feature, the ground wire cross-arm top of tower body interior angle side sets double earth wire hanging point, ensures the peace of shaft tower by reasonable Arrangement tower body structure
Full reliability, the utility model is arranged on by the way that upper wire cross-arm to be arranged on to the interior angle side of tower body, the wire jumper hanging point of upper wire
On the ground wire cross-arm of interior angle side, the length of wire cross-arm is effectively shortened, tower weight is alleviated, cost is reduced.The utility model
The lower wire cross-arm for being arranged on tower body both sides uses asymmetrical design, shortens the cross-arm length of tower body interior angle side, can meet
Electric clearance, saves lot of materials again, alleviates tower weight.Tower body bottom connects tower leg, according to different topography and geomorphologies, selection
Short tower leg or long tower leg.In summary, the utility model steel tower sets up safety, disclosure satisfy that the larger high altitude localities line of wind speed
Road, which is set up, to be required.
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 figure, the utility model in structure include tower body 1, ground wire cross-arm 2, on wire cross-arm 3, lower wire cross-arm 4,
Become 5, junction 6 and tower leg 7 at slope.Wherein, ground wire cross-arm 2 is arranged on the top of tower body 1, the top of upper wire cross-arm 3, ground
Line 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 provided with
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 body 1
The distance of axis is respectively 10.0m, 13.4m, and ground wire cross-arm 2 is 2.6m with the height of tower body junction.On the utility model
The bottom of 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 1.24m,
Cross-arm root is 2.0m with the vertical height of tower body junction, and top shape is pointed, and angle is 55.6 °.
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
24.36m, including left horizontal stretcher, right horizontal stretcher and the tower body part that is connected with cross-arm, remove tower body width, and cross-arm one side in left and right is long
Degree is respectively 10.27m, 9.27m, is arranged at tower body both sides, to tower head the right and left horizontal stretching, cross-arm root is connected with tower body
The vertical height at place is 3.6m, and top shape is pointed, and angle is respectively 18.9 °, 20.7 °, and is increased in left and right cross arm end
Plus wire jumper cross-arm, high 0.8m;Conducting wire hanging point is double hanging point, and left side cross-arm conducting wire hanging point is separately positioned on apart from tower body center
At 12.68m and at 13.32m, right side conducting wire hanging point is separately positioned at the 11.68m of tower body center and at 12.32m.
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.
The utility model transmission pressure 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 set two hanging points to be connected with gold utensil respectively, reasonable structural arrangement, power transmission clearly, ensured engineering safety fortune
OK.
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
Wire cross-arm 3 and the bottom of lower wire cross-arm 4, hanging point use hanging plate pattern, so as to avoid welding job, effectively strengthen hanging point
Stress performance, meet the requirements such as the intensity of hanging wire node.
5 junction 6 between lower wire cross-arm 4 and tower body 1 at slope that becomes of tower body 1 selects to become into 6.0m, reasonably
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 construction, tower weight reduction.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 utility model angle tower is for the larger high altitude localities feature of wind speed, in Steel Tower, in tower body 1
Plane sets double earth wire hanging point on the ground wire cross-arm 2 of angle side, ensures the safety of shaft tower by reasonable Arrangement tower body structure and selection
Reliability;On the ground wire cross-arm 2 that the wire jumper hanging point of upper wire is arranged on to the interior angle side of tower body 1, significantly shorten and lead
The length of line cross-arm 3, alleviates tower weight, saves tower material, reduces cost.The left and right branch of lower wire cross-arm 4 is using asymmetric
Design, shortens the cross-arm length of the interior angle side of tower body 1, can meet electric clearance, material is saved again.In summary, this reality
With the application of novel iron tower, the larger high altitude localities construction of line requirement of wind speed disclosure satisfy that.
Claims (8)
1. a kind of 30 °~60 ° single loop corner crossover towers of ac transmission, it is characterised in that:Including tower body (1) and from top to bottom
Ground wire cross-arm (2), upper wire cross-arm (3) and lower wire cross-arm (4) on tower body (1) are arranged on, ground wire cross-arm (2) is arranged on tower
The top of body (1), wire cross-arm (3) is arranged on the interior angle side of tower body (1), and ground wire cross-arm (2) is respectively provided with lower wire cross-arm (4)
Both sides in tower body (1);Ground wire cross-arm (2) sets wire jumper hanging point in the end of tower body (1) interior angle side, and lower wire cross-arm (4) exists
The end of tower body (1) both sides is equipped with wire jumper cross-arm, and wire jumper cross arm end is provided with jumper hole;The top of the ground wire cross-arm (2)
End is provided with ground wire hanging point, and the bottom of upper wire cross-arm (3) and two side bottoms of lower wire cross-arm (4) are respectively provided with wire extension
Point, conducting wire hanging point uses double hanging point;The upper plane of the ground wire cross-arm (2) is rectangle, and upper wire cross-arm (3) and lower wire are horizontal
The lower plane of load (4) is rectangle, and the bottom of tower body (1) is connected with tower leg (7).
2. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:Tower body (1) exists
It is provided with below lower wire cross-arm (4) at change slope (5), (5) are apart from lower wire cross-arm (4) and tower body (1) at described change slope
Between junction (6) be 6.0m.
3. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:The ground wire is horizontal
Carry on a shoulder pole the wide lower plane end for being 2.094m, upper wire cross-arm (3) and lower wire cross-arm (4) of upper plane exterior angle side end mouthful of (2)
Wide portion mouthful is respectively 3.404m and 4.89m.
4. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:Described ground wire
Hanging point is arranged on the upper plane of ground wire cross-arm (2), the axis 10.0m of its exterior angle lateral extent tower body (1), and ground wire hanging point is using double
Hanging point, the first ground wire hanging point of tower body (1) interior angle side is arranged on the axis of plan range tower body (1) on ground wire cross-arm (2)
At 9.1m, the second ground wire hanging point of tower body (1) interior angle side is arranged on the axis of plan range tower body (1) on ground wire cross-arm (2)
At 13.4m, the first ground wire hanging point spacing is 4.3m with the second ground wire hanging point spacing.
5. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:Upper wire cross-arm
(3) it is 0.64m with the distance between the hanging point of lower wire cross-arm (4).
6. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:
The overall length of the ground wire cross-arm (2) is 23.4m, and it is 2.6m with the vertical height of tower body (1) junction, and tower body (1) is outside
The cross-arm termination of angle side ground wire cross-arm (2) is pointed, and end angle is 16.5 °;
The length of upper wire cross-arm (3) is 1.24m, and it is 2.0m, tower body (1) interior angle with the vertical height of tower body (1) junction
The cross-arm termination of wire cross-arm (3) is pointed on side, and end angle is 55.6 °;
The overall length of lower wire cross-arm (4) is 24.36m, and it is 3.6m, tower body (1) exterior angle with the vertical height of tower body (1) junction
The termination angle of side is 18.9 °, and tower body (1) interior angle side head angle is 20.7 °.
7. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:The ground wire is horizontal
It is 10.0m to carry on a shoulder pole the interlamellar spacing between (2) and upper wire cross-arm (3);Layer between upper wire cross-arm (3) and lower wire cross-arm (4)
Spacing is 11.0m.
8. 30 °~60 ° single loop corner crossover towers of ac transmission according to claim 1, it is characterised in that:Described tower body
(1) it is made of Q420 steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621398718.1U CN206337888U (en) | 2016-12-19 | 2016-12-19 | A kind of 30 °~60 ° single loop corner crossover towers of ac transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621398718.1U CN206337888U (en) | 2016-12-19 | 2016-12-19 | A kind of 30 °~60 ° single loop corner crossover towers of ac transmission |
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Publication Number | Publication Date |
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CN206337888U true CN206337888U (en) | 2017-07-18 |
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CN201621398718.1U Active CN206337888U (en) | 2016-12-19 | 2016-12-19 | A kind of 30 °~60 ° single loop corner crossover towers of ac transmission |
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2016
- 2016-12-19 CN CN201621398718.1U patent/CN206337888U/en active Active
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