CN201238184Y - Dual-loop steel pipe column for wires with 2X630 and 4X300 cross section of 220kV power transmission line - Google Patents
Dual-loop steel pipe column for wires with 2X630 and 4X300 cross section of 220kV power transmission line Download PDFInfo
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- CN201238184Y CN201238184Y CNU2008200345897U CN200820034589U CN201238184Y CN 201238184 Y CN201238184 Y CN 201238184Y CN U2008200345897 U CNU2008200345897 U CN U2008200345897U CN 200820034589 U CN200820034589 U CN 200820034589U CN 201238184 Y CN201238184 Y CN 201238184Y
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Abstract
The utility model discloses a double-loop steel tube tower for the leads of 2X630 and 4X630 sections of a 220kY transmission circuit. The utility model comprises a main rod and a crossarm; the crossarm is connected with the main rod; the main rod comprises at least three steel tubes; the steel tubes are connected by butt flanges; the protection angle of a ground wire to the leads is zero; the left crossarm and the right crossarm of the straight tower of the steel tube tower are equal in length; the left and the right of an angle tower are a short crossarm structure and a long crossarm structure; a jumper point and a seton point adopt separated structures; the jumper extends out by one meter to the outer side of the crossarm; the seton point position of the crossbeam of the lead quits for one meter to the inside. The utility model relates to a steel tube tower of a transmission circuit with the advantages of simple structure, convenient construction and optimal land utilization; the strained performances of a rod tower and a foundation are better, thus saving the material amount of the rod tower and the tower foundation; the appearance is simple and beautiful; better economic benefit and social benefit can be obtained; the blank of the steel tube tower for the sections of the leads of 220kV2X630 and 4X300 is filled in; moreover, the double-loop steel tube tower has a better application prospect.
Description
Technical field
The utility model is a steel tube tower in electric transmission line, is specially 220kV transmission line 2X630, lead double loop, 4X300 cross section steel tube tower.
Background technology
Existing 220kV electric pressure 2X630,4X300 lead transmission line are based on the angle steel tower; traditional spatial volume of angle steel tower own is very big; path planning often is positioned near building dense district or the road green belt when using in the city; usually can bring such as problems such as removal and other transformation of facility; and attractive in appearance inadequately, bigger to landscape impact on every side, local plan department is bigger to its suggestion; and the stressed complexity on angle steel tower and basis causes tower material and column foot plinth quantity of material bigger.
Summary of the invention
Problem to be solved in the utility model is: existing 2X630, the spatial volume of 4X300 conductor cross-section angle steel tower own are big, attractive in appearance inadequately, and the stressed complexity on angle steel tower and basis, cause tower material and column foot plinth quantity of material bigger.
The technical solution of the utility model is: 220kV transmission line 2X630, lead double loop, 4X300 cross section steel tube tower, comprise mobile jib and cross-arm, cross-arm is connected on the mobile jib, mobile jib comprises at least 3 joint steel pipes, connect by abutted flange between the steel pipe, cross-arm comprises 2 ground wire cross-arms and 6 lead cross-arms, and ground wire is a zero degree to the wire-protecting angle; Steel tube tower tangent tower left and right sides cross-arm equal in length is length cross-arm structure about angle tower, and wire jumper point and hanging wire point adopt separate type, and wire jumper stretches out 1 meter to the cross-arm outside, and lead cross-arm hanging wire point position is inwardly withdrawed from 1 meter.
The mobile jib and the cross-arm junction of lead double loop, the utility model 2X630 cross section steel tube tower are provided with the insertion plate, and the end that cross-arm is connected with mobile jib connects a U-shaped steel plate, insert plate and pass through the corresponding connection of bolt with the U-shaped plate; The mobile jib of lead double loop, 4X300 cross section steel tube tower is connected by flange with cross-arm.
The unified U type link that adopts of the utility model connection tower gold utensil makes that on the one hand processing is more convenient, makes construction more controlled on links such as buying gold utensil, on-the-spot installation on the other hand, has improved installation effectiveness.
The utility model has been optimized the cross-arm size, long 3.8～4.0 meters of the upper and lower cross-arm of lead double loop, 2X630 cross section steel tube tower tangent tower, long 4.3～4.5 meters of middle cross-arm; Long 3.4～5.5 meters of the upper and lower cross-arm of lead double loop, 2X630 cross section steel tube tower angle tower, long 4.2～6.2 meters of middle cross-arm; Long 3.9～4.3 meters of the upper and lower cross-arm of lead double loop, 4X300 cross section steel tube tower tangent tower, long 4.4～4.8 meters of middle cross-arm; Long 3.6～5.7 meters of the upper and lower cross-arm of lead double loop, 4X300 cross section steel tube tower angle tower, long 4.4～6.4 meters of middle cross-arm.
The utility model is a kind of simple in structure, easy construction, the steel tube tower in electric transmission line of saving the area, compare with conventional art, shaft tower and basic stress better performances, saved the quantity of material of shaft tower and column foot, its floor space is less simultaneously, saved urban land, profile is succinctly attractive in appearance, can obtain good economic benefits and social benefit, filled up 220KV2X630, the blank of 4X300 conductor cross-section steel tube tower, along with the needs that urban construction constantly develops, the conductor cross-section shaft tower is extensive use of greatly, city pair take up an area of with shaft tower and requirement attractive in appearance more and more stricter, 2X630,4X300 conductor cross-section steel tube tower has good application prospects.
Description of drawings
Fig. 1 is a tangent tower structural representation of the present utility model.
Fig. 2 is an angle tower structural representation of the present utility model.
Fig. 3 is the structural representation that the utility model cross-arm is connected with the mobile jib plug-in type.
Fig. 4 is the structural representation of the utility model cross-arm and U shaped steel plate.
Fig. 5 structural representation that to be the utility model cross-arm be connected by flange with mobile jib.
Embodiment
As Fig. 1,2,220kV electric pressure 2X630 cross section and lead double loop, 4X300 cross section are set up steel tube tower and are mainly comprised mobile jib 1 and cross-arm 2 two parts.Steel tube tower mobile jib 1 comprises 3～5 joint steel pipes, and mobile jib is positive 16 limit shapes, and every section steel pipe adopts abutted flange to connect.Cross-arm comprises 2 ground wire cross-arms and 6 lead cross-arms, and cross-arm is connected with mobile jib and can adopts the plug-in type cross-arm to connect to be connected 2 kinds of patterns with flange.Ground wire is a zero degree to the wire-protecting angle, has improved the fail safe of operation.
Set up 220kV electric pressure 2X630 cross section and lead double loop, 4X300 cross section, and adopt the steel pipe single pole to mainly contain with respect to the advantage of angle steel tower: (1) floor space is little.The steel pipe single pole floor space of the utility model steel tube tower according to tower different and highly difference be about 1～5m
2, angle steel tower floor space is about 30～250m
2, the floor space of steel tube tower is about 1/30～1/50 of angle steel tower under the equal service condition; (2) simple in structure, tower erection is convenient, good looking appearance.Steel tube tower mainly is made up of mobile jib and 8 joint cross-arms that 3～5 joint steel pipes are formed, and the angle steel tower mainly is made up of hundreds of angle iron components, and the engineering time of steel tube tower is about 1/3 of angle steel tower of the same type.The steel tube tower spatial volume is little, good looking appearance.
Two times steel tube tower designs of the utility model large-section lead; it is long extensively to have investigated the insulator form and the actual hanging wire insulator string that adopt in the Jiangsu Province; and according to " 110kV～500kV aerial power transmission line designing technique rules " (DL/T5092-1999) and " overvoltage protection of alternating-current electric device and insulation coordination " (DL/T620-1997) carry out insulating Design; rationally choose the air gap; by drawing accurate gap circle, line bracket height, length and lead cross-arm length and phase spacing definitely.The overall dimension of She Ji steel tube tower was more reasonable more in the past, and the bar type is divided with the practice of engineering design condition and more met, and can effectively reduce project cost, improves the utilance of steel tube tower design condition.Long 3.8～4.0 meters of the upper and lower cross-arm of 2 X6,30 cross section lead steel tube tower tangent towers, long 4.3～4.5 meters of middle cross-arm; Long 3.4～5.5 meters of the upper and lower cross-arm of 2X630 cross section lead steel tube tower angle tower, long 4.2～6.2 meters of middle cross-arm; Long 3.9～4.3 meters of the upper and lower cross-arm of 4X300 cross section lead steel tube tower tangent tower, long 4.4～4.8 meters of middle cross-arm; Long 3.6～5.7 meters of the upper and lower cross-arm of 4X300 cross section lead steel tube tower angle tower, long 4.4～6.4 meters of middle cross-arm.
The utility model steel tube tower with processing, easy construction, easy-to-use be principle, in the design of connection tower gold utensil, multiple gold utensil forms such as UB link plate that U type screw, UB link plate and original steel tube tower use, Z link plate are generally used in cancellation at the angle steel tower, lead, ground wire, the unified U type link that adopts of wire jumper, make that on the one hand processing is more convenient, make construction more controlled on links such as buying gold utensil, on-the-spot installation on the other hand, improved installation effectiveness.In addition, for adapt to the demand that the 220kV transmission line adopts optical power grounded waveguide OPGW comprehensively, set up conduction hole on the jumper wire board of ground line bracket, guaranteed that ground wire is connected with the reliable of body of the tower, having solved in the past, steel tube tower adopts OPGW to set up insoluble problem.The utility model lead vertical arrangement cross-arm makes it more easy-to-use in actual engineering is used by original umbellate form design becoming drum type design, has more versatility when the angle steel tower is used.
Cross-arm can adopt plug-in type to be connected with mobile jib.As Fig. 4, cross-arm 2 and U-shaped steel plate 3 welding make cross-arm 2 and U-shaped steel plate 3 keep stressed globality, and U type link 5 is located at cross-arm 2 one ends.Fig. 3 is a plug-in type cross-arm connection diagram, mobile jib 1 is being slotted with cross-arm 2 junctions, be provided with and insert plate 4, two are inserted plate 4 and are plugged on the mobile jib 1 and the weld all around connection, U-shaped steel plate 3 is connected with employing nut after the 4 correspondence position perforates of two blocks of insertion plates, make cross-arm 2 stressed be subjected to shear to pass to by bolt insert plate 4, insert the rigidity of plate 4 itself suffered cross-arm power passed to mobile jib.The power transmission route of this kind connected mode is cross-arm-U-shaped steel plate-bolt-plugboard-mobile jib, mobile jib is connected with cross-arm by U shaped steel plate, insertion plate and several nuts to be finished, have the connection of saving material and stressed characteristics clearly, be used in 2X630 lead double loop steel tube tower.
Fig. 5 is that flange connects the cross-arm schematic diagram.Cross-arm 2 is connected with connecting-rod body 6 by abutted flange, U type link 5 is located at cross-arm 2 one ends, connecting-rod body 6 is welded on the mobile jib 1, abutted flange is welded by flanged plate 7, ribbed stiffener 8, connecting-rod body 6 is made up of the octagon body of rod and ribbed stiffener, and the power that is transmitted by cross-arm 2 passes to mobile jib 1 by connecting-rod body 6.The power transmission route of this kind connected mode is cross-arm-abutted flange-connecting-rod body-mobile jib, has to connect firmly, and on-deformable characteristics are applicable to that the big cross-arm of load connects, and is used in 4X300 lead double loop steel tube tower.
The design of steel tube tower single pole is set up in the utility model 220kV electric pressure 2X630 cross section and lead double loop, 4X300 cross section, saved the soil floor space, having a clear superiority in aspect the contradiction that relaxes power circuit construction and local land resource scarcity, in the city this kind design have that trnamission capacity is big, saving, characteristics such as attractive in appearance, have remarkable economic efficiency and social benefit.
Claims (6)
1,220kV transmission line 2X630, lead double loop, 4X300 cross section steel tube tower, comprise mobile jib and cross-arm, cross-arm is connected on the mobile jib, cross-arm one end is provided with connection tower gold utensil, it is characterized in that mobile jib comprises at least 3 joint steel pipes, connected by abutted flange between the steel pipe, cross-arm comprises 2 ground wire cross-arms and 6 lead cross-arms, and ground wire is a zero degree to the wire-protecting angle; Steel tube tower tangent tower left and right sides cross-arm equal in length is length cross-arm structure about angle tower, and wire jumper point and hanging wire point adopt separate type, and wire jumper stretches out 1 meter to the cross-arm outside, and lead cross-arm hanging wire point position is inwardly withdrawed from 1 meter.
2,220kV transmission line 2X630 according to claim 1, lead double loop, 4X300 cross section steel tube tower, the mobile jib and the cross-arm junction that it is characterized in that 2X630 cross section lead steel tube tower are provided with the insertion plate, the end that cross-arm is connected with mobile jib connects a U-shaped steel plate, inserts plate and passes through the corresponding connection of bolt with the U-shaped plate.
3,220kV transmission line 2X630 according to claim 1, lead double loop, 4X300 cross section steel tube tower is characterized in that the mobile jib of 4X300 cross section lead steel tube tower is connected by flange with cross-arm.
4, according to claim 1 or 2 or 3 described 220kV transmission line 2X630, lead double loop, 4X300 cross section steel tube tower, it is characterized in that joining the tower gold utensil is U type link.
5,, it is characterized in that long 3.8～4.0 meters of the upper and lower cross-arm of lead double loop, 2X630 cross section steel tube tower tangent tower, long 4.3～4.5 meters of middle cross-arm according to claim 1 or 2 or 3 described 220kV transmission line 2X630, lead double loop, 4X300 cross section steel tube tower; Long 3.4～5.5 meters of the upper and lower cross-arm of lead double loop, 2X630 cross section steel tube tower angle tower, long 4.2～6.2 meters of middle cross-arm; Long 3.9～4.3 meters of the upper and lower cross-arm of lead double loop, 4X300 cross section steel tube tower tangent tower, long 4.4～4.8 meters of middle cross-arm; Long 3.6～5.7 meters of the upper and lower cross-arm of lead double loop, 4X300 cross section steel tube tower angle tower, long 4.4～6.4 meters of middle cross-arm.
6,220kV transmission line 2X630 according to claim 4, lead double loop, 4X300 cross section steel tube tower is characterized in that long 3.8～4.0 meters of the upper and lower cross-arm of lead double loop, 2X630 cross section steel tube tower tangent tower, long 4.3～4.5 meters of middle cross-arm; Long 3.4～5.5 meters of the upper and lower cross-arm of lead double loop, 2X630 cross section steel tube tower angle tower, long 4.2～6.2 meters of middle cross-arm; Long 3.9～4.3 meters of the upper and lower cross-arm of lead double loop, 4X300 cross section steel tube tower tangent tower, long 4.4～4.8 meters of middle cross-arm; Long 3.6～5.7 meters of the upper and lower cross-arm of lead double loop, 4X300 cross section steel tube tower angle tower, long 4.4～6.4 meters of middle cross-arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200345897U CN201238184Y (en) | 2008-04-28 | 2008-04-28 | Dual-loop steel pipe column for wires with 2X630 and 4X300 cross section of 220kV power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200345897U CN201238184Y (en) | 2008-04-28 | 2008-04-28 | Dual-loop steel pipe column for wires with 2X630 and 4X300 cross section of 220kV power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN201238184Y true CN201238184Y (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200345897U Expired - Fee Related CN201238184Y (en) | 2008-04-28 | 2008-04-28 | Dual-loop steel pipe column for wires with 2X630 and 4X300 cross section of 220kV power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201238184Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967314A (en) * | 2014-05-14 | 2014-08-06 | 国家电网公司 | 10kv-110kv emergency repair pole |
| CN108590313A (en) * | 2018-06-29 | 2018-09-28 | 江苏国华管塔制造有限公司 | A kind of novel Joint construction and sharing power communication poles |
| CN110453959A (en) * | 2019-07-23 | 2019-11-15 | 国网山东省电力公司青岛供电公司 | A kind of double loop, which is bored, gets over steel pipe pole and transmission system |
| CN112593639A (en) * | 2020-12-17 | 2021-04-02 | 贵州电网有限责任公司 | Weather-proof high-pressure sealing structure for joint of steel tower |
| CN112726843A (en) * | 2020-12-17 | 2021-04-30 | 贵州电网有限责任公司 | Device for isolating electrochemical corrosion of joint surface of weather-resistant steel |
-
2008
- 2008-04-28 CN CNU2008200345897U patent/CN201238184Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967314A (en) * | 2014-05-14 | 2014-08-06 | 国家电网公司 | 10kv-110kv emergency repair pole |
| CN103967314B (en) * | 2014-05-14 | 2016-07-06 | 国家电网公司 | A kind of 10kv-110kv emergency first-aid repair bar |
| CN108590313A (en) * | 2018-06-29 | 2018-09-28 | 江苏国华管塔制造有限公司 | A kind of novel Joint construction and sharing power communication poles |
| CN110453959A (en) * | 2019-07-23 | 2019-11-15 | 国网山东省电力公司青岛供电公司 | A kind of double loop, which is bored, gets over steel pipe pole and transmission system |
| CN112593639A (en) * | 2020-12-17 | 2021-04-02 | 贵州电网有限责任公司 | Weather-proof high-pressure sealing structure for joint of steel tower |
| CN112726843A (en) * | 2020-12-17 | 2021-04-30 | 贵州电网有限责任公司 | Device for isolating electrochemical corrosion of joint surface of weather-resistant steel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20170428 |