CN206337885U - A kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation - Google Patents

A kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation Download PDF

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Publication number
CN206337885U
CN206337885U CN201621398760.3U CN201621398760U CN206337885U CN 206337885 U CN206337885 U CN 206337885U CN 201621398760 U CN201621398760 U CN 201621398760U CN 206337885 U CN206337885 U CN 206337885U
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arm
cross
wire
wire cross
hanging point
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谭蓉
杨帆
宁昭晔
孙菊海
强继峰
胡砚喆
王婧
吴亮
张伟
马涛
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China Energy Engineering Group Shaanxi Electric Ppower Design Institute Co Ltd
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China Energy Engineering Group Shaanxi Electric Ppower Design Institute Co Ltd
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Abstract

The utility model discloses a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation, in the structure arrangement of steel tower, ground wire cross-arm both sides increase hanging wire shoulder pole respectively, and set double earth wire hanging point, and good protective effect is served to wire;Meanwhile, upper wire cross-arm, middle wire cross-arm and lower wire cross-arm both sides increase wire jumper cross-arm respectively, enable to wire cross-arm length reduction; under conditions of electric clearance is met, line corridor width is reduced, and saves passage; large area felling vegetation is avoided, is preserved the ecological environment.In summary, this kind of novel iron tower reasonable structural arrangement, disclosure satisfy that the requirement of the thicker high altitude localities double loop ac transmission of icing.

Description

A kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation
Technical field
The utility model is related to high voltage iron tower, more particularly to a kind of 20 °~40 ° ac transmission double loop corners in middle ice formation Tower.
Background technology
In the prior art, the design of double loop corner steel tower is more universal, using more, and designing technique is more ripe, but existing There is double loop angle tower can not also be applied to the high altitude localities (height above sea level of middle ice formation (icing 15mm)>5000m), using biography The double loop angle tower of system, tower structure stress and electric clearance can not be met, it is impossible to be implemented.
Utility model content
The purpose of this utility model is to overcome above-mentioned problems of the prior art and not enough there is provided a kind of middle ice formation 20 °~40 ° ac transmission double loop angle towers, the tower structure connection and reasonable arrangement disclosure satisfy that the thicker high altitude localities of icing is double The requirement of loop ac transmission.
To achieve these goals, the utility model includes being provided with the ground for hanging ground wire at the top of tower body, tower body Line cross-arm, the two ends of ground wire cross-arm are provided with below hanging wire shoulder pole, ground wire cross-arm to be disposed with for hanging two from top to bottom Upper wire cross-arm, middle wire cross-arm and the lower wire cross-arm of phase transmission pressure, upper wire cross-arm, middle wire cross-arm and lower wire are horizontal Load is connected with tower body, and upper wire cross-arm, middle wire cross-arm and lower wire cross-arm include be arranged on tower body both sides two Asymmetric wire jumper cross-arm is provided with branch, upper wire cross-arm, middle wire cross-arm and lower wire cross-arm, wire jumper cross-arm is arranged on The interior exterior angle side of upper wire cross-arm, middle wire cross-arm and lower wire cross-arm, the top shape of ground wire cross-arm is trapezoidal, and upper wire is horizontal The bottom shape of load, middle wire cross-arm and lower wire cross-arm is rectangle, and the bottom of tower body is connected with tower leg.
The top of the ground wire cross-arm is provided with ground wire hanging point, upper wire cross-arm, middle wire cross-arm and lower wire cross-arm two Side bottom is respectively provided with conducting wire hanging point, and wire jumper cross arm end is provided with the jumper hole for hanging wire jumper, and ground wire hanging point and wire are hung Point is hanging plate type hanging point.
The ground wire hanging point is arranged on the upper plane of ground wire cross-arm left and right sides Liang Ge branches, and setting double earth wire hanging point, First hanging point distance is 3.0m with the second hanging point distance;The hanging point of left-hand branch is respectively 12.3m, 15.3m apart from axis; The hanging point of right-hand branch is respectively 11.3m, 14.3m apart from axis;
The conducting wire hanging point of described upper wire cross-arm, middle wire cross-arm and lower wire cross-arm is double hanging point, the first hanging point Distance is 0.59m with the second hanging point distance.
The conducting wire hanging point of the upper wire cross-arm left-hand branch be separately positioned at the 11.705m of tower body center and At 12.295m, jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;On the right side of upper wire cross-arm The conducting wire hanging point of branch is separately positioned at the 10.705m of tower body center and at 11.295m, and jumper hole is located at wire jumper cross-arm Outermost;
The conducting wire hanging point of middle wire cross-arm left-hand branch is separately positioned at the 14.705m of tower body center and 15.295m Place, jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;Middle wire cross-arm right-hand branch is led Line hanging point is separately positioned at the 13.705m of tower body center and at 14.295m, and jumper hole is located at the outermost of wire jumper cross-arm;
The conducting wire hanging point of lower wire cross-arm left-hand branch is separately positioned at the 12.705m of tower body center and 13.295m Place, jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;Lower wire cross-arm right-hand branch is led Line hanging point is separately positioned at the 11.705m of tower body center and at 12.295m, and jumper hole is located at the outermost of wire jumper cross-arm.
The tower body becomes the junction away from lower wire cross-arm and tower body at slope at lower wire cross-arm change slope formed below For 3.5m
The ground wire cross-arm overall length is 29.6m, and ground wire cross-arm is highly 4.4m with tower body junction root;
The overall length of upper wire cross-arm is 22.41m, and the wire jumper cross-arm of tower body both sides is respectively 2.295m, 0.59m, upper wire Cross-arm is highly 3.8m with tower body junction root, and the cross-arm termination of upper wire cross-arm or so branch is pointed, and angle is respectively 20°、22°;
The overall length of middle wire cross-arm is 28.41m, and the wire jumper cross-arm of tower body both sides is respectively 2.295m, 0.59m, middle wire Cross-arm is highly 4.4m with tower body junction root, and the cross-arm termination of middle wire cross-arm or so branch is pointed, and angle is respectively 19°、21°;
The overall length of lower wire cross-arm is 24.41m, and the wire jumper cross-arm of tower body both sides is respectively 2.295m, 0.59m, lower wire Cross-arm is highly 3.8m with tower body junction root, and the cross-arm termination of lower wire cross-arm or so branch is pointed, and angle is respectively 21°、24°;
Interlamellar spacing between the ground wire cross-arm and upper wire cross-arm is 8.2m;Between upper wire cross-arm and middle wire cross-arm Interlamellar spacing be 16.1m;Spacing between middle wire cross-arm and lower wire cross-arm is 15.1m.
The tower body is made of Q420 high-strength steel.
Transmission pressure is connected using duplex gold utensil with tower body.
The tower leg is using one or more combinations in short tower leg or long tower leg.
Compared with prior art, the utility model is in the structure arrangement of steel tower, and ground wire cross-arm both sides increase hanging wire respectively Shoulder pole, and double earth wire hanging point is set, good protective effect is served to wire;Meanwhile, upper wire cross-arm, middle wire cross-arm and Lower wire cross-arm both sides increase wire jumper cross-arm respectively, enable to wire cross-arm length reduction, are meeting the condition of electric clearance Under, line corridor width is reduced, and saves passage, it is to avoid large area felling vegetation, is preserved the ecological environment.In summary, should The application of novel iron tower is planted, steel tower cost can not only be reduced, while effectively having saved space.
Further, the utility model is provided with long tower leg and short tower leg, can adapt to different topography and geomorphologies.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the short tower leg of the utility model;
Fig. 3 is the structural representation of the long tower leg of the utility model;
Wherein, 1, tower body;2nd, ground wire cross-arm;3rd, upper wire cross-arm;4th, middle wire cross-arm;5th, lower wire cross-arm;6th, slope is become Place;7th, junction;8th, tower leg;9th, short tower leg;10th, long tower leg.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model includes tower body 1, is arranged on the ground wire cross-arm 2 for being used to hang ground wire at the top of tower body 1 And be successively set on from top to down the lower section of ground wire cross-arm 2 be used for hang the upper wire cross-arm 3 of two-phase transmission pressure, middle wire Cross-arm 4 and lower wire cross-arm 5;Upper wire cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 are connected with tower body 1, and ground wire is horizontal The two ends of load 2 are provided with hanging wire shoulder pole.
Upper wire cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 include Liang Ge branches and Liang Ge branches are set respectively The left and right sides in the tower head bottom of tower body 1.
Ground wire cross-arm 2 is arranged at the top of tower body 1, and its top shape is trapezoidal, a width of 1.0m in end mouthful.Ground wire hanging point is set In the upper plane of ground wire cross-arm left and right sides Liang Ge branches, and double earth wire hanging point is set, the first hanging point distance and the second hanging point away from From being 3.0m;The hanging point of left-hand branch is respectively 12.3m, 15.3m apart from axis;The hanging point of right-hand branch is apart from axis Respectively 11.3m, 14.3m;The tower body root of ground wire cross-arm 2 is highly 4.4m, and ground wire cross-arm 2 is used to hang ground wire, ground wire pair Twice wire shields.
Upper wire cross-arm 3 is located at the lower section of ground wire cross-arm 2, and upper wire cross-arm 3 includes Liang Ge branches, respectively under tower head The left and right sides in portion, its bottom shape is rectangle, a width of 3.229m of top opening, and to tower head the right and left horizontal stretching, and End is asymmetric to set wire jumper cross-arm, a height of 1.0m of wire jumper cross-arm.Upper wire cross-arm 3 is used to hang two-phase transmission pressure, and Meet electric clearance requirement.The overall length of upper wire cross-arm is 22.41m, the wire jumper cross-arms of tower body both sides be respectively 2.295m, 0.59m, the conducting wire hanging point of upper wire cross-arm left-hand branch is separately positioned at the 11.705m of tower body center and at 12.295m, Jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;The wire of upper wire cross-arm right-hand branch Hanging point is separately positioned at the 10.705m of tower body center and at 11.295m, and jumper hole is located at the outermost of wire jumper cross-arm;
Middle wire cross-arm 4 is located at the lower section of upper wire cross-arm 3.Middle wire cross-arm 4 includes Liang Ge branches, respectively positioned above leading The left and right sides of the bottom of line cross-arm 3, its bottom shape is rectangle, to tower head the right and left horizontal stretching, and in interior exterior angle side point She Zhi not wire jumper cross-arm, the wide 4.899m of cross-arm top opening, a height of 1.0m of wire jumper cross-arm.Middle wire cross-arm 4 is defeated for hanging two-phase Electric lead, and meet electric clearance requirement.The overall length of middle wire cross-arm is 28.41m, and the wire jumper cross-arm of tower body both sides is respectively 2.295m, 0.59m, the conducting wire hanging point of middle wire cross-arm left-hand branch be separately positioned at the 14.705m of tower body center and At 15.295m, jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;On the right side of middle wire cross-arm The conducting wire hanging point of branch is separately positioned at the 13.705m of tower body center and at 14.295m, and jumper hole is located at wire jumper cross-arm Outermost;
Lower wire cross-arm 5 is located at the lower section of middle wire cross-arm 4.Lower wire cross-arm 5 includes Liang Ge branches, respectively positioned at tower head The left and right sides of bottom, its bottom shape is rectangle, and jump is set respectively to tower head the right and left horizontal stretching, and in interior exterior angle side Line cross-arm, the wide 6.448m of cross-arm top opening, a height of 1.0m of wire jumper cross-arm.Lower wire cross-arm 5 is used to hang two-phase transmission pressure, and Meet electric clearance requirement.The overall length of lower wire cross-arm is 24.41m, the wire jumper cross-arms of tower body both sides be respectively 2.295m, 0.59m, the conducting wire hanging point of lower wire cross-arm left-hand branch is separately positioned at the 12.705m of tower body center and at 13.295m, Jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;The wire of lower wire cross-arm right-hand branch Hanging point is separately positioned at the 11.705m of tower body center and at 12.295m, and jumper hole is located at the outermost of wire jumper cross-arm;
Interlamellar spacing between ground wire cross-arm and upper wire cross-arm is 8.2m;Layer between upper wire cross-arm and middle wire cross-arm Spacing is 16.1m;Spacing between middle wire cross-arm and lower wire cross-arm is 15.1m.
The conducting wire hanging point of wire cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 sets two respectively on the utility model Hanging point is connected with gold utensil, reasonable structural arrangement, and power transmission clearly, has ensured the safe operation of engineering.
The utility model angle tower ground wire hanging point is arranged on the top of ground wire cross-arm 2, and conducting wire hanging point is separately positioned on wire Cross-arm 3, middle wire cross-arm 4 and the bottom of lower wire cross-arm 5, hanging point use hanging plate pattern, so as to avoid welding job, effectively Strengthen the stress performance of hanging point, meet the requirements such as the intensity of hanging wire node.
Tower body 1 becomes at slope 6 with the spacing of the junction 7 of lower wire cross-arm 5 and tower body 1 into 3.5m, rational selection change 6 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, and main material rigidity changes according to rule from top to bottom, and welding is reduced as far as possible, Easy construction, reduces tower weight.
As shown in Figure 2 to Figure 3, the bottom of tower body 1 is connected with tower leg, the tower leg be tower leg 8, short tower leg 9 or long tower leg 10, To adapt to different topography and geomorphologies.
The utility model angle tower, in the structure arrangement of steel tower, ground wire cross-arm both sides increase hanging wire shoulder pole respectively, and set Double earth wire hanging point is put, good protective effect is served to wire;Upper wire cross-arm, middle wire cross-arm and lower wire cross-arm both sides Increase wire jumper cross-arm respectively, enable to wire cross-arm length reduction, under conditions of electric clearance is met, line corridor width Reduce, save passage, it is to avoid large area felling vegetation, preserve the ecological environment.In summary, this kind of novel iron tower should With steel tower cost can not only be reduced, while effectively having saved space.
The utility model conducting wire hanging point is separately positioned on wire cross-arm, middle wire cross-arm and lower wire cross-arm bottom, leads Line hanging point uses double hanging point pattern, and the effective stress performance for strengthening hanging point meets the requirements such as the intensity of hanging wire node.

Claims (9)

1. a kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation, it is characterised in that including tower body (1), tower body (1) Top is provided with the ground wire cross-arm (2) for hanging ground wire, and the two ends of ground wire cross-arm (2) are provided with hanging wire shoulder pole, ground wire cross-arm (2) lower section be disposed with from top to bottom for the upper wire cross-arm (3) for hanging two-phase transmission pressure, middle wire cross-arm (4) and Lower wire cross-arm (5), upper wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) are connected with tower body (1), on Wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) include the Liang Ge branches for being arranged on tower body (1) both sides, on Asymmetric wire jumper cross-arm is provided with wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5), wire jumper cross-arm is set In the interior exterior angle side of upper wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5), the top shape of ground wire cross-arm (2) To be trapezoidal, the bottom shape of upper wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is rectangle, tower body (1) Bottom is connected with tower leg (8).
2. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that institute The top for stating ground wire cross-arm (2) is provided with ground wire hanging point, upper wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) Two side bottoms are respectively provided with conducting wire hanging point, and wire jumper cross arm end is provided with the jumper hole for hanging wire jumper, ground wire hanging point and wire Hanging point is hanging plate type hanging point.
3. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 2, it is characterised in that institute The upper plane that ground wire hanging point is arranged on ground wire cross-arm (2) left and right sides Liang Ge branches is stated, and double earth wire hanging point, the first hanging point are set Distance is 3.0m with the second hanging point distance;The hanging point of left-hand branch is respectively 12.3m, 15.3m apart from axis;Right-hand branch Hanging point apart from axis be respectively 11.3m, 14.3m;
The conducting wire hanging point of described upper wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is double hanging point, first Hanging point distance is 0.59m with the second hanging point distance.
4. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that institute The conducting wire hanging point for stating wire cross-arm (3) left-hand branch is separately positioned at the 11.705m of tower body center and at 12.295m, Jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;Upper wire cross-arm (3) right-hand branch is led Line hanging point is separately positioned at the 10.705m of tower body center and at 11.295m, and jumper hole is located at the outermost of wire jumper cross-arm;
The conducting wire hanging point of middle wire cross-arm (4) left-hand branch is separately positioned at the 14.705m of tower body center and 15.295m Place, jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;Middle wire cross-arm (4) right-hand branch Conducting wire hanging point be separately positioned at the 13.705m of tower body center and at 14.295m, jumper hole be located at wire jumper cross-arm outermost Side;
The conducting wire hanging point of lower wire cross-arm (5) left-hand branch is separately positioned at the 12.705m of tower body center and 13.295m Place, jumper hole is located at the outermost of wire jumper cross-arm, two conducting wire hanging point center 2.0m of distance;Lower wire cross-arm (5) right-hand branch Conducting wire hanging point be separately positioned at the 11.705m of tower body center and at 12.295m, jumper hole be located at wire jumper cross-arm outermost Side.
5. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that institute Tower body (1) is stated at lower wire cross-arm (5) change slope formed below (6), (6) are away from lower wire cross-arm (5) and tower body (1) at change slope Junction (7) be 3.5m.
6. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that institute Ground wire cross-arm (2) overall length is stated for 29.6m, ground wire cross-arm (2) is highly 4.4m with tower body (1) junction root;
The overall length of upper wire cross-arm (3) is 22.41m, and the wire jumper cross-arm of tower body (1) both sides is respectively 2.295m, 0.59m, is above led Line cross-arm (3) and tower body (1) junction root highly are 3.8m, the cross-arm termination of upper wire cross-arm (3) left and right branch be it is pointed, Angle is respectively 20 °, 22 °;
The overall length of middle wire cross-arm (4) is 28.41m, and the wire jumper cross-arm of tower body (1) both sides is respectively 2.295m, 0.59m, in lead Line cross-arm (4) and tower body (1) junction root highly are 4.4m, the cross-arm termination of middle wire cross-arm (4) left and right branch be it is pointed, Angle is respectively 19 °, 21 °;
The overall length of lower wire cross-arm (5) is 24.41m, and the wire jumper cross-arm of tower body (1) both sides is respectively 2.295m, 0.59m, under lead Line cross-arm (5) and tower body (1) junction root highly are 3.8m, the cross-arm termination of lower wire cross-arm (5) left and right branch be it is pointed, Angle is respectively 21 °, 24 °;
Interlamellar spacing between the ground wire cross-arm (2) and upper wire cross-arm is 8.2m;Upper wire cross-arm (3) and middle wire cross-arm (4) interlamellar spacing between is 16.1m;Spacing between middle wire cross-arm (4) and lower wire cross-arm (5) is 15.1m.
7. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that institute Tower body is stated to be made of Q420 high-strength steel.
8. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that defeated Electric lead is connected using duplex gold utensil with tower body.
9. a kind of middle 20 °~40 ° ac transmission double loop angle towers in ice formation according to claim 1, it is characterised in that institute Tower leg (8) is stated using one or more combinations in short tower leg (9) or long tower leg (10).
CN201621398760.3U 2016-12-19 2016-12-19 A kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation Active CN206337885U (en)

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CN201621398760.3U CN206337885U (en) 2016-12-19 2016-12-19 A kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation

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Application Number Priority Date Filing Date Title
CN201621398760.3U CN206337885U (en) 2016-12-19 2016-12-19 A kind of 20 °~40 ° ac transmission double loop angle towers in middle ice formation

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