CN201687253U - Tangent tower for transmission lines - Google Patents
Tangent tower for transmission lines Download PDFInfo
- Publication number
- CN201687253U CN201687253U CN2010202190578U CN201020219057U CN201687253U CN 201687253 U CN201687253 U CN 201687253U CN 2010202190578 U CN2010202190578 U CN 2010202190578U CN 201020219057 U CN201020219057 U CN 201020219057U CN 201687253 U CN201687253 U CN 201687253U
- Authority
- CN
- China
- Prior art keywords
- arm
- lead cross
- line bracket
- limit
- ground line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims description 36
- 230000005611 electricity Effects 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
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- Insulators (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a tangent tower for transmission lines, which is used for erecting the transmission line of over 500 KV. The tangent tower for transmission lines comprises a tower leg, a tower body, a lower crank arm, an upper crank arm, a middle lead cross arm disposed on top of the upper crank arm, a ground wire rack which is arranged at both sides of and fixedly connected to the middle lead cross arm, and a side lead cross arm. The utility model is characterized in that the ground wire rack is fixedly integrated with the side lead cross arm into one piece; the ground wire rack is disposed on top of the side lead cross arm; an included angle is arranged between the ground wire rack and the side lead cross arm in the plane of vertical direction; a distance of 1750mm in the horizontal direction of lead cross section and a distance of 5600mm in the vertical direction are arranged between the ground wire hanging point of the ground wire rack and the insulator hanging point of the side lead cross arm. The utility model is advantageous in that as the negative lightning protection angle between the ground wire and the lead is no more than 5 DEG and the horizontal displacement of the lead and ground wire is no less than 1.7m, thereby the requirement that transmission line of over 500KV can be protected from lightening in areas covered with ice in thickness of 10mm.
Description
Technical field
The utility model relates to a kind of iron tower that erects power transmission lines, and is meant that specifically a kind of single loop transmission line of electricity ground wire has the wineglass type tangent tower at negative lightning protection angle to lead.
Background technology
In transmission line of electricity, the above ultra-high-tension power transmission line of general 110kV need set up double earth wire, is used for lead is implemented lightning protection, and ground wire is positioned on the lead.The iron tower of transmission line of electricity is a kind of wine glass-shaped, it is to be fixedly connected with body of the tower on two tower legs, on body of the tower, be fixedly connected with two lower bent levers, be fixed with above the lower bent lever and crank arm, the upper fixed of cranking arm on two is connected with a middle lead cross-arm, in the lead cross-arm be used to hang a lead of the centre of transmission line of electricity, be fixedly welded with ground line bracket and limit lead cross-arm respectively at the two ends of middle lead cross-arm, the ground line bracket is used to hang ground wire, and limit lead cross-arm is used to hang two leads on transmission line of electricity both sides.After general tangent tower set up ground wire and lead, ground wire was 10～15 ° with respect to the angle of lead vertical direction, and Here it is ground wire is to the lightning protection angle of lead; Distance between two ground wires generally is no more than 5 times of vertical distance between ground wire and topping wire.But compare severe cold area for some, as the above transmission line of electricity in the icing area more than 10mm, particularly 500kV, the tangent tower of this structure of using can not make ground wire that lead is carried out good protection at present, and lightning strike accident may take place.
The utility model content
The utility model technical issues that need to address provide a kind of at the single loop tangent tower that also can carry out good lightning protection than severe cold area to lead.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of tangent tower of transmission line of electricity, comprise tower leg, body of the tower, lower bent lever, on crank arm, be arranged in the lead cross-arm of the top of cranking arm, be arranged in the ground line bracket of fixedlying connected and the limit lead cross-arm at lead cross-arm two ends with the lead cross-arm, ground line bracket and limit lead cross-arm are connected to one, the ground line bracket is positioned at the top of limit lead cross-arm, ground line bracket and limit lead cross-arm have certain angle in the plane of vertical direction, the sub-hanging wire point of limit wire insulation of the ground wire string hanging point of ground line bracket and limit lead cross-arm is 1750mm in the distance of the horizontal direction of conductive wire cross-section, distance in vertical direction is 5600mm.
Further concrete structure of the present utility model is: described ground line bracket by plane master material on the ground line bracket, the positive tiltedly material of line bracket, line bracket lower plane master material be welded into three-legged structure, be fixedly connected with ground line bracket hanging wire angle steel at the drift angle place of ground line bracket, ground wire string hanging point is positioned at the outer end of ground line bracket hanging wire angle steel; Described limit lead cross-arm is welded into three-legged structure by plane master's material, limit lead cross-arm lower plane master material on limit lead cross-arm positive tiltedly material, the limit lead cross-arm, and wire insulation hanging wire point in limit is positioned at the drift angle place of limit lead cross-arm.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
The utility model makes ground wire be not more than 5 degree to the negative lightning protection angle of lead, the horizontal movement of lead, ground wire is not less than 1.75 meters, can satisfy the anti-lightning strike protection requirement of the transmission line of electricity of 500kV and above grade, can be good at also preventing that in icing 10mm area thunderbolt from causing damage to lead, can better meet the lightning protection of ground wire lead; Satisfy the horizontal movement requirement of ground wire and adjacent wires; Steel Tower of the present utility model is reasonable, stressed safe and reliable, is easy to processing, good looking appearance is installed.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, 1, tower leg, 2, body of the tower, 3, lower bent lever, 4, crank arm on, 5, middle lead cross-arm, 6, line bracket, 61, plane master material on the line bracket, 62, the positive tiltedly material of line bracket, 63, line bracket lower plane master material, 64, line bracket hanging wire angle steel, 7, limit lead cross-arm, 71, the positive tiltedly material of limit lead cross-arm, 72, plane master's material on the lead cross-arm of limit, 73, limit lead cross-arm lower plane master material, 8, ground wire string hanging point, 9, ground wire string, 10, ground wire, 11, the sub-hanging wire point of limit wire insulation, 12, wire insulation substring, 13, lead.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
As shown in the figure, be the overall structure schematic diagram of tangent tower of the present utility model.The utility model comprise tower leg 1, body of the tower 2, lower bent lever 3, on crank arm 4, middle lead cross-arm 5, line bracket 6 and limit lead cross-arm 7.Tangent tower integral body of the present utility model is a kind of wine glass-shaped, on two tower legs 1, be fixedly connected with body of the tower 2, on body of the tower 2, be fixedly connected with two lower bent levers 3, be fixedly connected with above the lower bent lever 3 and crank arm 4,4 upper fixed of cranking arm on two are connected with a middle lead cross-arm 5, in lead cross-arm 5 be used to hang a lead of the centre of transmission line of electricity, be fixedly welded with ground line bracket 6 and limit lead cross-arm 7 respectively at the two ends of middle lead cross-arm 5.Ground line bracket 6 by plane master material 61 on the ground line bracket, the positive tiltedly material 62 of line bracket, line bracket lower plane master material 63 be welded into three-legged structure, plane master's material 61 and ground line bracket lower plane master material 63 form two limits of three-legged structure on the ground line bracket, line bracket positive tiltedly material 62 in ground is welded on the ground line bracket between the plane master's material 61 and ground line bracket lower plane master material 63, is used for the connection and the reinforcement of line bracket 6 over the ground.The drift angle place that plane master material 61 and ground line bracket lower plane master material 63 form on the ground line bracket is fixedly welded with ground line bracket hanging wire angle steel 64, the outer end of ground line bracket hanging wire angle steel 64 is ground wire string hanging points 8, hang ground wire string 9 on the ground wire string hanging point 8, ground wire string 9 belows hang ground wire 10.
Described limit lead cross-arm 7 is welded into three-legged structure by plane master's material 72, limit lead cross-arm lower plane master material 73 on limit lead cross-arm positive tiltedly material 71, the limit lead cross-arm, plane master's material 72 and limit lead cross-arm lower plane master material 73 form two limits of three-legged structure on the lead cross-arm of limit, lead cross-arm positive tiltedly material 71 in limit is welded on the lead cross-arm of limit between the plane master's material 72 and limit lead cross-arm lower plane master material 73, is used for connection and reinforcement to lead cross-arm 7.Wire insulation hanging wire point 11 in limit is positioned at the drift angle place of limit lead cross-arm 7.Wire insulation hanging wire in limit is put 11 places and is hung wire insulation substring 12, and wire insulation substring 12 lower ends hang lead 13.
Ground line bracket 6 and limit lead cross-arm 7 are connected to one, ground line bracket 6 is positioned at the top of limit lead cross-arm 7, ground line bracket 6 and limit lead cross-arm 7 have certain angle in the plane of vertical direction, the sub-hanging wire point 11 of limit wire insulation of the ground wire string hanging point 8 of ground line bracket 6 and limit lead cross-arm 7 is 1750mm in the distance of the horizontal direction of conductive wire cross-section, be 5600mm in the distance of vertical direction.After such tangent tower set up ground wire and lead, ground wire was 5 ° with respect to the angle of lead vertical direction, be the ground wire that can make the single loop transmission line of electricity to the negative shielding angle of lead was 5 °.
Claims (2)
1. the tangent tower of a transmission line of electricity, comprise tower leg (1), body of the tower (2), lower bent lever (3), on crank arm (4), be arranged in the lead cross-arm (5) of (4) top of cranking arm, be arranged in the ground line bracket (6) of fixedlying connected and the limit lead cross-arm (7) at lead cross-arm (5) two ends with lead cross-arm (5), it is characterized in that: ground line bracket (6) and limit lead cross-arm (7) are connected to one, ground line bracket (6) is positioned at the top of limit lead cross-arm (7), ground line bracket (6) and limit lead cross-arm (7) have certain angle in the plane of vertical direction, the ground wire string hanging point (8) of ground line bracket (6) and the sub-hanging wire point of limit wire insulation (11) of limit lead cross-arm (7) are 1750mm in the distance of the horizontal direction of conductive wire cross-section, distance in vertical direction is 5600mm.
2. the tangent tower of a kind of transmission line of electricity according to claim 1, it is characterized in that described ground line bracket (6) by plane master material (61) on the ground line bracket, the positive tiltedly material (62) of line bracket, line bracket lower plane master material (63) be welded into three-legged structure, be fixedly connected with ground line bracket hanging wire angle steel (64) at the drift angle place of ground line bracket (6), ground wire string hanging point (8) is positioned at the outer end of ground line bracket hanging wire angle steel (64); Described limit lead cross-arm (7) is welded into three-legged structure by plane master's material (72), limit lead cross-arm lower plane master's material (73) on limit lead cross-arm positive tiltedly material (71), the limit lead cross-arm, and the sub-hanging wire point of limit wire insulation (11) is positioned at the drift angle place of limit lead cross-arm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202190578U CN201687253U (en) | 2010-06-09 | 2010-06-09 | Tangent tower for transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202190578U CN201687253U (en) | 2010-06-09 | 2010-06-09 | Tangent tower for transmission lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687253U true CN201687253U (en) | 2010-12-29 |
Family
ID=43375538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202190578U Expired - Lifetime CN201687253U (en) | 2010-06-09 | 2010-06-09 | Tangent tower for transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687253U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821401A (en) * | 2014-01-03 | 2014-05-28 | 国家电网公司 | Method for designing transmission tower striding over high speed railway |
| CN105569414A (en) * | 2015-12-24 | 2016-05-11 | 广东迪生电力钢构器材有限公司 | Cup type tower safer and more convenient to construct |
| CN107905614A (en) * | 2017-12-08 | 2018-04-13 | 国家电网公司 | A kind of transmission line of alternation current single loop tangent tower with arrester |
| 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 |
| CN111682483A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Transmission line drilling tower and transmission line tower system |
| CN111682479A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Single-loop power transmission line iron tower and power transmission line tower system |
-
2010
- 2010-06-09 CN CN2010202190578U patent/CN201687253U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821401A (en) * | 2014-01-03 | 2014-05-28 | 国家电网公司 | Method for designing transmission tower striding over high speed railway |
| CN103821401B (en) * | 2014-01-03 | 2016-04-20 | 国家电网公司 | A kind of method for designing of crossing over high-speed railway transmission tower |
| CN105569414A (en) * | 2015-12-24 | 2016-05-11 | 广东迪生电力钢构器材有限公司 | Cup type tower safer and more convenient to construct |
| CN107905614A (en) * | 2017-12-08 | 2018-04-13 | 国家电网公司 | A kind of transmission line of alternation current single loop tangent tower with arrester |
| 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 |
| CN111682483A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Transmission line drilling tower and transmission line tower system |
| CN111682479A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Single-loop power transmission line iron tower and power transmission line tower system |
| CN111682483B (en) * | 2020-07-02 | 2022-01-18 | 国核电力规划设计研究院有限公司 | Transmission line drilling tower and transmission line tower system |
| CN111682479B (en) * | 2020-07-02 | 2022-01-18 | 国核电力规划设计研究院有限公司 | Single-loop power transmission line iron tower and power transmission line tower system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |