CN205224792U - 500kV tower that dangles in three return circuits - Google Patents
500kV tower that dangles in three return circuits Download PDFInfo
- Publication number
- CN205224792U CN205224792U CN201521095845.XU CN201521095845U CN205224792U CN 205224792 U CN205224792 U CN 205224792U CN 201521095845 U CN201521095845 U CN 201521095845U CN 205224792 U CN205224792 U CN 205224792U
- Authority
- CN
- China
- Prior art keywords
- tower
- arm
- loop
- wire
- cross
- 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.)
- Active
Links
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model relates to a super high -tension transmission technical field discloses a 500kV tower that dangles in three return circuits. Include: the body of the tower, the setting is at the ground wire cross arm at the tower head top of body of the tower, the setting is below the ground wire cross arm to the tower window that top -down arranged in proper order, first wire cross arm, second wire cross arm, privates cross arm and privates cross arm, both ends are used for hanging the wire in a 500kV return circuit about tower window and first wire cross arm, second wire cross arm, privates cross arm and privates cross arm are used for hanging the wire in second and the 3rd 500kV return circuit, the full tower of this 500kV tower that dangles in three return circuits adopts the angle steel component to constitute. With 500kV superhigh pressure single loop circuit and 500kV superhigh pressure two return circuit line erection on the same tower that dangles, can be under the condition in limited transmission of electricity corridor, electric power is transmitted effectively to economy, has solved security, reliability and the economic nature of superhigh pressure with many loop lines of tower ways iron tower.
Description
Technical field
The utility model relates to EHV transmission technical field, particularly 500kV tri-loop pendency tower.
Background technology
Along with expanding economy, the degree of dependence of all trades and professions to land resources is more and more higher, and the corridor of ultra-high-tension power transmission line is also more and more crowded, in transmission line construction, especially in economically developed densely populated areas, due to the shortage of corridor resource, all resistances are encountered.In order to decrease the occupancy of line corridor; save land resources; 500kV Qinshan Phase II NPP transmission project have employed 500kV circuit within the border with tower three times erections in Zhejiang; the program decreases the impact on local plan and related facility; decrease the removal scale of house owed by a citizen along the line and industrial enterprise simultaneously; protect ecological environment, comprehensive benefit is fairly obvious.
High-voltage transmission line towers is used in aerial power transmission line, support transmission pressure and ground wire, is also referred to as the steel tower of aerial power transmission line.
500kV ultrahigh-voltage alternating-current refers to tower three loop pendency tower and 500kV ultrahigh-voltage double-circuit circuit and 500kV super high-pressure single return lead is set up on same tower, thus is formed with tower three loop.
For realizing the power transmission function of three loop transmission lines, single loop+Liang Ge corridor, double loop or the mode with corridor, one, tower four loop (vacant primary Ioops) is normally adopted in prior art, it is large that the former takies width of corridor, and the latter causes economic waste.
Therefore, need one cost-effective electric power transfer mode under the condition of limited transmission of electricity corridor at present badly, save line corridor resource, solve the safety of super-pressure multi-circuit lines on the same tower steel tower, reliability and economy.
Utility model content
The purpose of this utility model is to provide a kind of 500kV tri-loop pendency tower, ground wire cross-arm and wire cross-arm are of five storeys altogether, for hanging ground wire and three loop 500kV transmission pressures, by 500kV super high-pressure single return lead and the construction of line of 500kV ultrahigh-voltage double-circuit on same pendency tower, can under the condition in limited transmission of electricity corridor, transferring electric power cost-effectively, solves the safety of super-pressure multi-circuit lines on the same tower steel tower, reliability and economy.
For solving the problems of the technologies described above, embodiment of the present utility model discloses a kind of 500kV tri-loop pendency tower, comprising:
Tower body;
Be arranged on the ground wire cross-arm at the tower head top of tower body;
Be arranged on below ground wire cross-arm, and the tower window be arranged in order from top to bottom, the first wire cross-arm, the second wire cross-arm, privates cross-arm and privates cross-arm;
The two ends, left and right of tower window and the first wire cross-arm are for hanging the wire in a 500kV loop;
The left end of the left end of the second wire cross-arm, the left end of privates cross-arm and privates cross-arm is for hanging the wire in the 2nd 500kV loop;
The right-hand member of the right-hand member of the second wire cross-arm, the right-hand member of privates cross-arm and privates cross-arm is for hanging the wire in the 3rd 500kV loop;
This 500kV tri-loop full tower of pendency tower adopts angle iron component to form.
Compared with prior art, the main distinction and effect thereof are the utility model embodiment:
Ground wire cross-arm and wire cross-arm are of five storeys altogether, for hanging ground wire and three loop 500kV transmission pressures, by 500kV super high-pressure single return lead and the construction of line of 500kV ultrahigh-voltage double-circuit on same pendency tower, can under the condition in limited transmission of electricity corridor, transferring electric power cost-effectively, solves the safety of super-pressure multi-circuit lines on the same tower steel tower, reliability and economy.
Further, by the preferred arrangement to tower head structure, reduce the size of tower head, efficiently reduce the width of line corridor, reduce tower material consumption, improve the transmission power of unit corridor.
Further, construction install convenience.
Further, floor space meets planning requirement, fully can reduce width of corridor, economize the land resource, economic environmental protection.
Further, the feature of the tower that dangles in conjunction with traditional cat head single loop pendency tower and double loop drum type, the 500kV loop being positioned at upper strata is cathead, and the 500kV double loop being positioned at lower floor is drum type, thus is formed with tower three loop.
Further, reasonable structural arrangement, joint structure is simple, and power transmission is clear.
Further, the cross section of tower body adopts square form, is conducive to resisting longitudinal tension force.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of 500kV tri-loop pendency tower in the utility model first embodiment.
Detailed description of the invention
In the following description, many ins and outs are proposed in order to make reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations of following embodiment and amendment, also can realize each claim of the application technical scheme required for protection.
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The utility model first embodiment relates to a kind of 500kV tri-loop pendency tower.Fig. 1 is the structural representation of this 500kV tri-loop pendency tower.
Specifically, as shown in Figure 1, pendency tower in this 500kV tri-loop comprises:
Tower body (16).
Be arranged on the ground wire cross-arm (17) at the tower head top of tower body (16), for hanging ground wire.
Be arranged on below ground wire cross-arm (17), and the tower window (15) be arranged in order from top to bottom, the first wire cross-arm (11), the second wire cross-arm (12), privates cross-arm (13) and privates cross-arm (14).
The two ends, left and right of tower window (15) and the first wire cross-arm (11) are for hanging the wire in a 500kV loop.
The both sides phase conductor in the one 500kV loop hangs on the two ends, left and right of the first wire cross-arm (11) respectively, and middle phase conductor hangs in tower window (15), and three-phase conducting wire is triangle arrangement.
Further, particularly,
The two ends of the first wire cross-arm (11) are provided with I type insulator string, for hanging the both sides phase conductor in a 500kV loop.
Tower window is provided with V-type insulator string in (15), for hanging phase conductor in a 500kV loop.
That is, on the pendency tower of this 500kV tri-loop, one 500kV loop is positioned at upper strata, in the three-phase conducting wire in the one 500kV loop, two limit phase conductors hang on the two ends, left and right of the first wire cross-arm (11) respectively, middle phase conductor hangs in tower window (15), and three-phase conducting wire is triangle arrangement.Seem, the setting in a 500kV loop presents cat head shape.
By the preferred arrangement to tower head structure, reduce the size of tower head, efficiently reduce the width of line corridor, reduce tower material consumption, improve the transmission power of unit corridor.
The left end of the left end of the second wire cross-arm (12), the left end of privates cross-arm (13) and privates cross-arm (14) is for hanging the wire in the 2nd 500kV loop.
The right-hand member of the right-hand member of the second wire cross-arm (12), the right-hand member of privates cross-arm (13) and privates cross-arm (14) is for hanging the wire in the 3rd 500kV loop.
The wire in the 2nd 500kV loop and the wire in the 3rd 500kV loop are vertical arrangement, adopt double hanging point hang.
The length of privates cross-arm (13) is slightly larger than the length of the second wire cross-arm (12), and the length of privates cross-arm (13) is slightly larger than the length of privates cross-arm (14).
The two ends of the two ends of the second wire cross-arm (12), the two ends of privates cross-arm (13) and privates cross-arm (14) are equipped with V-type insulator string, are respectively used to the wire in suspension the 2nd 500kV loop and the 3rd 500kV loop.
The v-angle scope of V-type insulator string is 75 degree-110 degree.
In the present embodiment, preferably, the v-angle of V-type insulator string is 95 degree.
This 500kV tri-loop pendency tower adopts the form of structure of cat head+drum type.
That is, on the pendency tower of this 500kV tri-loop, 500kV double loop is positioned at lower floor, be made up of vertical arrangement, the three layer conductor cross-arms that are arranged symmetrically with, wherein be positioned at centre position, privates cross-arm (13) for phase conductor in hanging is slightly long, and middle phase conductor cross-arm more upper and lower wire cross-arm is long, and six phase conductors are drum type layout.
Therefore, in the utility model, preferably, this 500kV tri-loop pendency tower is in conjunction with the feature of traditional cat head single loop pendency tower and double loop drum type pendency tower, adopt the form of structure of cat head+drum type, floor space meets planning requirement, fully can reduce width of corridor, economize the land resource, economic environmental protection.
Further, preferably, the cross section of tower body (16) adopts square form, is conducive to resisting longitudinal tension force, reasonable structural arrangement, and joint structure is simple, and power transmission is clear, construction install convenience.
Further, the full tower of this 500kV tri-loop pendency tower adopts angle iron component to form.
Preferably, the material of this angle iron component adopts Q235B, Q345B and Q420B one of them or its combination, and maximum specification is L250x32.
Further, the bottom of tower body (16) adopts limb to be wider than the large gauge angle steel of 200mm.
Preferably, the material of this large gauge angle steel is Q420 high-strength steel.
The bottom that it should be noted that here refers to and is positioned at below this privates cross-arm (14), and the position of tower leg near this 500kV tri-loop pendency tower.
In the present embodiment, preferably, with bolts between angle iron component, bolt adopts 6.8 grades of common rough bolts and/or 8.8 grades of common rough bolts.
In the utility model, preferably, this 500kV tri-loop full tower of pendency tower adopts angle steel, and its middle and lower part tower body adopts large gauge angle steel (limb is wider than 200mm).
Angle steel material adopts Q235B, Q345B, Q420B, and maximum specification is L250x32;
Bolt adopts 6.8 grades and 8.8 grades of common rough bolts.
500kV ultrahigh-voltage alternating-current, with the erection of tower three loop, is characterized in that the three times 500kV construction of line on same pendency tower.
500kV ultrahigh-voltage alternating-current uses the full tower of material to adopt angle steel with tower three loop pendency tower, and its middle and lower part tower body adopts large gauge angle steel (limb is wider than 200mm), and its material is Q420 high-strength steel.
In sum, on the pendency tower of this 500kV tri-loop, ground wire cross-arm and wire cross-arm are of five storeys altogether, for hanging ground wire and three loop 500kV transmission pressures, by 500kV super high-pressure single return lead and the construction of line of 500kV ultrahigh-voltage double-circuit on same pendency tower, in conjunction with the feature of traditional cat head single loop pendency tower and double loop drum type pendency tower, adopt the form of structure of cat head+drum type, thus formed with tower three loop.Can under the condition in limited transmission of electricity corridor, transferring electric power cost-effectively, solves the safety of super-pressure multi-circuit lines on the same tower steel tower, reliability and economy.
It should be noted that, in the claim and manual of this patent, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Although by referring to some preferred embodiment of the present utility model, the utility model illustrated and describe, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and does not depart from spirit and scope of the present utility model.
Claims (10)
1. a 500kV tri-loop pendency tower, is characterized in that, comprising:
Tower body;
Be arranged on the ground wire cross-arm at the tower head top of described tower body;
Be arranged on below described ground wire cross-arm, and the tower window be arranged in order from top to bottom, the first wire cross-arm, the second wire cross-arm, privates cross-arm and privates cross-arm;
The two ends, left and right of described tower window and the first wire cross-arm are for hanging the wire in a 500kV loop;
The left end of the described left end of the second wire cross-arm, the left end of privates cross-arm and privates cross-arm is for hanging the wire in the 2nd 500kV loop;
The right-hand member of the described right-hand member of the second wire cross-arm, the right-hand member of privates cross-arm and privates cross-arm is for hanging the wire in the 3rd 500kV loop;
This 500kV tri-loop full tower of pendency tower adopts angle iron component to form.
2. 500kV tri-loop according to claim 1 pendency tower, it is characterized in that, the both sides phase conductor in a described 500kV loop hangs on the two ends, left and right of the first wire cross-arm respectively, and middle phase conductor hangs in described tower window, and three-phase conducting wire is triangle arrangement.
3. 500kV tri-loop according to claim 2 pendency tower, it is characterized in that, the wire in described 2nd 500kV loop and the wire in the 3rd 500kV loop are vertical arrangement, adopt double hanging point hang.
4. 500kV tri-loop according to claim 3 pendency tower, is characterized in that, this 500kV tri-loop pendency tower adopts the form of structure of cat head+drum type.
5. 500kV tri-loop according to claim 4 pendency tower, it is characterized in that, the two ends of described first wire cross-arm are provided with I type insulator string, for hanging the both sides phase conductor in a 500kV loop;
V-type insulator string is provided with, for hanging phase conductor in a 500kV loop in described tower window.
6. 500kV tri-loop according to claim 5 pendency tower, it is characterized in that, the two ends of the described two ends of the second wire cross-arm, the two ends of privates cross-arm and privates cross-arm are equipped with V-type insulator string, are respectively used to the wire in suspension the 2nd 500kV loop and the wire in the 3rd 500kV loop.
7. 500kV tri-loop according to claim 6 pendency tower, it is characterized in that, the v-angle scope of described V-type insulator string is 75 degree to 110 degree.
8. 500kV tri-loop according to claim 7 pendency tower, it is characterized in that, the v-angle of described V-type insulator string is 95 degree.
9. 500kV tri-loop according to any one of claim 1 to 8 pendency tower, it is characterized in that, the cross section of described tower body adopts square form.
10. 500kV tri-loop according to claim 1 pendency tower, is characterized in that, the material of described angle iron component adopts Q235B, Q345B and Q420B one of them or its combination;
The bottom of described tower body adopts limb to be wider than the large gauge angle steel of 200mm, and material is Q420 high-strength steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095845.XU CN205224792U (en) | 2015-12-24 | 2015-12-24 | 500kV tower that dangles in three return circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095845.XU CN205224792U (en) | 2015-12-24 | 2015-12-24 | 500kV tower that dangles in three return circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205224792U true CN205224792U (en) | 2016-05-11 |
Family
ID=55899867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521095845.XU Active CN205224792U (en) | 2015-12-24 | 2015-12-24 | 500kV tower that dangles in three return circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205224792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555501A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of cat-head transmission tower suitable for single time overhead transmission line cable T joint |
| CN109469400A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Double Loop Steel Tower that is a kind of while solving to bore more and cross over demand |
-
2015
- 2015-12-24 CN CN201521095845.XU patent/CN205224792U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555501A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of cat-head transmission tower suitable for single time overhead transmission line cable T joint |
| CN109469400A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Double Loop Steel Tower that is a kind of while solving to bore more and cross over demand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204920402U (en) | Transmission line single loop chamfer tower | |
| CN105155908A (en) | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' | |
| CN205224792U (en) | 500kV tower that dangles in three return circuits | |
| CN205476780U (en) | 220kV exchanges with four return circuit strain insulator angle -steel tower in tower | |
| CN205224791U (en) | Three return circuit strain insulator towers of 500kV | |
| CN211974573U (en) | Direct-current mixed-voltage multi-loop branch tower and alternating-current mixed-voltage multi-loop branch tower | |
| CN201635465U (en) | Extra-high voltage electric transmission line terminal high tower | |
| CN204464916U (en) | ± 800kV and ± 500kV is with tower mixed pressure transmission line polar conductor arrangement | |
| CN203846844U (en) | Double-circuit line joint use coordinated transposition post tower | |
| CN203729648U (en) | 66-kV four-loop and double-T-connection branch tower | |
| CN206128808U (en) | Novel single loop cable dead end tower | |
| CN204299268U (en) | A kind of mixed pressure three loop steel tube tower | |
| CN206128807U (en) | Four return circuit steel pipe towers are thoughtlessly pressed to wild goose wing type | |
| CN202090663U (en) | Same-tower and dual-loop straight line steel pipe tower | |
| CN205206457U (en) | Special high voltage is with four return circuit strain insulator steel pipe towers in tower | |
| CN204850641U (en) | Single -column steel pipe pole | |
| CN210768059U (en) | 500 KV vertically-arranged double-loop compact non-linear transformation strain tower | |
| CN211666388U (en) | Efficient multi-functional transmission of electricity power tower | |
| CN107591684B (en) | Perpendicular outlet structure of 330kV transformer substation GIS | |
| CN110374390B (en) | 500 KV vertical-arrangement double-circuit compact type 'NOT' type conversion strain tower | |
| CN209924556U (en) | 220kV and 110kV mixed-compression four-loop narrow-base steel pipe strain tower | |
| CN102817491A (en) | 110kV dual-loop line drilling iron tower | |
| CN202249079U (en) | Tower frame applied to extra-high voltage direct current transmission line and grounding line arranged in same tower | |
| CN105201264B (en) | A kind of double loop door font arrangement steel tower | |
| CN206346561U (en) | A kind of single loop is arranged vertically anchor support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |