CN204343772U - Narrow base cable shoe steel tube tower under four return cable - Google Patents
Narrow base cable shoe steel tube tower under four return cable Download PDFInfo
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- CN204343772U CN204343772U CN201420774067.6U CN201420774067U CN204343772U CN 204343772 U CN204343772 U CN 204343772U CN 201420774067 U CN201420774067 U CN 201420774067U CN 204343772 U CN204343772 U CN 204343772U
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- phase conductor
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- supporting insulator
- cable
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 70
- 239000012212 insulator Substances 0.000 claims abstract description 49
- 238000013461 design Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The purpose of this utility model is the problem existing for prior art of solving, find a kind of floor space little, to arrange under opening four return cable of simple 220kV double loop narrow base cable shoe steel tube tower.Comprise tower body, tower body comprises ground wire cross-arm and upper phase conductor cross-arm from top to bottom successively, middle phase conductor cross-arm, lower phase conductor cross-arm, cable terminal, wire on upper phase conductor cross-arm passes the supporting insulator on middle phase conductor cross-arm successively by drainage thread, supporting insulator on lower phase conductor cross-arm, be connected with the cable terminal in outside after supporting insulator outside tower body, wire on middle phase conductor cross-arm passes the supporting insulator of lower phase conductor cross-arm successively by drainage thread, be connected with the cable terminal of inner side after supporting insulator inside tower body, lower phase conductor cross-arm upper conductor is connected with the cable terminal of centre after guiding to the supporting insulator in the middle of tower body.Can by opening four loop, 220kV double loop, and floor space is little, it is simple to arrange.
Description
Technical field
The utility model relates to power domain, to be specifically related under a kind of four return cable narrow base cable shoe steel tube tower.
Background technology
With the development of social economy and electric power network technique, the application of 220kV Voltage Cable Lines Construction will get more and more.At present from case history both domestic and external, 220kV Double-loop overhead cut-offs to be adopted when being four return cable under cable termination tower generally two profiles formula: one is before and after opening point, arrange two base double loop cable termination towers, and two double loop cables draw from two base double loop cable termination towers respectively and connect; Another kind of pattern is arranged in juxtaposition before and after two base cable termination towers, arranges cable shoe stage+module cable accessory equipment between steel pipe pole.This two profiles formula all also exists place bad adaptability, cable passage complicated layout, and floor space is large, less economical problem.
In engineering, the more employing of cable shoe Deethanizer design increases the mode of cable shoe mounting platform at former design shaft tower, and double loop cut-off be four loops cable termination tower due to number of devices many, Plant arrangement is complicated, particularly 220kV line facility size and electrical distance are all larger, adopt and in the structure design of terminal tower, there is larger technical difficulty in this way, do not have universal design tower can be for reference both at home and abroad.
Utility model content
The purpose of this utility model is the problem existing for prior art of solving, find a kind of floor space little, to arrange under simple four return cable narrow base cable shoe steel tube tower.
In order to realize described object, narrow base cable shoe steel tube tower under the utility model four return cable, comprise tower body, be oppositely arranged two sides of described tower body are all connected with cross-arm structure, described cross-arm structure comprises one deck ground wire cross-arm and three layer conductor cross-arms from top to bottom successively, before and after described wire cross-arm, side wire is not taken logical, described three layer conductor cross-arms are followed successively by phase conductor cross-arm from top to bottom, middle phase conductor cross-arm, lower phase conductor cross-arm, supporting insulator is equipped with on described middle phase conductor cross-arm He on described lower phase conductor cross-arm, described tower body is provided with several supporting insulators, described tower body bottom is provided with some cable terminals, wire on upper phase conductor cross-arm passes the supporting insulator on middle phase conductor cross-arm successively by drainage thread, supporting insulator on lower phase conductor cross-arm, be connected with the cable terminal in outside after supporting insulator outside tower body, wire on middle phase conductor cross-arm passes the supporting insulator of lower phase conductor cross-arm successively by drainage thread, be connected with the cable terminal of inner side after supporting insulator inside tower body, lower phase conductor cross-arm upper conductor is connected with the cable terminal of centre after guiding to the supporting insulator in the middle of tower body.
Preferably, described upper phase conductor cross-arm is connected with supporting insulator by supporting insulator bearing with middle phase conductor cross-arm.By supporting insulator bearing and supporting insulator, make connection more stable.
Preferably; the connecting portion that described supporting insulator bearing is used for being connected with upper phase conductor cross-arm or middle phase conductor cross-arm is the parallel plate that two panels is parallel to each other; described two panels parallel plate is provided with the first screw, for being provided with the second screw with the bar of supporting insulator bearing on described upper phase conductor cross-arm and middle phase conductor cross-arm.By such structure, supporting insulator bearing is installed easier.
Preferably, described first screw is connected by hex bolts with the second screw, and described first screw one lateral edges is provided with the first hexagon bayonet socket corresponding with the head of described hex bolts.Can adjust supporting insulator bearing travel direction as requested.
Preferably, the second screw edge is provided with the second hexagon buckle corresponding with the first hexagon bayonet socket, and described first hexagon bayonet socket thickness is identical with the head thickness of described second hexagon bayonet socket thickness sum and described hex bolts.Not only supporting insulator bearing can travel direction adjustment, and more stable when supporting insulator bearing is connected to steel tube tower.
Can obtain following Advantageous Effects by implementing the utility model: can by opening four loop, 220kV double loop, and floor space is little, it is simple to arrange.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is left view of the present utility model.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with specific embodiment, the utility model is further described:
As shown in FIG. 1 to 3, narrow base cable shoe steel tube tower under four return cable, comprise tower body 1, be oppositely arranged two sides of tower body 1 are all connected with cross-arm structure, cross-arm structure comprises one deck ground wire cross-arm 2 and three layer conductor cross-arms from top to bottom successively, before and after wire cross-arm, side wire is not taken logical, three layer conductor cross-arms are followed successively by phase conductor cross-arm 3 from top to bottom, middle phase conductor cross-arm 4, lower phase conductor cross-arm 5, the upper and lower phase conductor cross-arm 5 of middle phase conductor cross-arm 4 is equipped with supporting insulator 6, tower body 1 is provided with several supporting insulators 6, tower body 1 bottom is provided with some cable terminals 7, wire on upper phase conductor cross-arm 3 passes the supporting insulator 6 on middle phase conductor cross-arm 4 successively by drainage thread, supporting insulator 6 on lower phase conductor cross-arm 5, be connected with the cable terminal 7 in outside after supporting insulator 6 outside tower body 1, wire on middle phase conductor cross-arm 4 passes the supporting insulator 6 of lower phase conductor cross-arm 5 successively by drainage thread, be connected with the cable terminal 7 of inner side after supporting insulator 6 inside tower body 1, be connected with middle cable terminal 7 after the supporting insulator 6 in the middle of tower body 1 guided to by lower phase conductor cross-arm 5 upper conductor.
The present invention is the ground design studies of narrow base cable shoe steel tube tower under four return cable by cut-offfing 220 kilovolts of double loops, adopting a base cable termination tower to realize, double loop cut-offs is the mode of connection of four return cable, make two electric fixtures connection and reasonable arrangement, compact of cut-offfing cable termination tower, construction, maintenance conveniently, reduce and take up an area, simple for structure, handsome in appearance, coordinate mutually with surrounding environment, create good technology, economic and social benefit, embody the principle of " amphitypy three is new ".
In order to make connection more stable, convenient, upper phase conductor cross-arm 3 is connected with supporting insulator 6 by supporting insulator 6 bearing with middle phase conductor cross-arm 4, the connecting portion that supporting insulator 6 bearing is used for being connected with upper phase conductor cross-arm 3 or middle phase conductor cross-arm 4 is the parallel plate that two panels is parallel to each other, two panels parallel plate is provided with the first screw, for being provided with the second screw with the bar of supporting insulator 6 bearing on upper phase conductor cross-arm 3 and middle phase conductor cross-arm 4, first screw is connected by hex bolts with the second screw, first screw one lateral edges is provided with the first hexagon bayonet socket corresponding with the head of hex bolts, second screw edge is provided with the second hexagon buckle corresponding with the first hexagon bayonet socket, first hexagon bayonet socket thickness is identical with the head thickness of the second hexagon bayonet socket thickness sum and hex bolts.Can by regulating hex bolts and the first hexagon bayonet socket and the second hexagon buckle clamping position during use, and then the direction of adjustment supporting insulator 6 bearing.
Can obtain following Advantageous Effects by implementing the utility model: can by opening four loop, 220kV double loop, and floor space is little, it is simple to arrange.
The foregoing is only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (5)
1. narrow base cable shoe steel tube tower under four return cable, comprise tower body (1), be oppositely arranged two sides of described tower body (1) are all connected with cross-arm structure, it is characterized in that, described cross-arm structure comprises one deck ground wire cross-arm (2) and three layer conductor cross-arms from top to bottom successively, before and after described wire cross-arm, side wire is not taken logical, described three layer conductor cross-arms are followed successively by phase conductor cross-arm (3) from top to bottom, middle phase conductor cross-arm (4), lower phase conductor cross-arm (5), described middle phase conductor cross-arm (4) above and on described lower phase conductor cross-arm (5) is equipped with supporting insulator (6), described tower body (1) is provided with several supporting insulators (6), described tower body (1) bottom is provided with some cable terminals (7), wire on upper phase conductor cross-arm (3) passes the supporting insulator (6) on middle phase conductor cross-arm (4) successively by drainage thread, supporting insulator (6) on lower phase conductor cross-arm (5), the supporting insulator (6) in tower body (1) outside is connected with the cable terminal (7) in outside afterwards, wire on middle phase conductor cross-arm (4) passes the supporting insulator (6) of lower phase conductor cross-arm (5) successively by drainage thread, the supporting insulator (6) of tower body (1) inner side is connected with the cable terminal (7) of inner side afterwards, the supporting insulator (6) that lower phase conductor cross-arm (5) upper conductor is guided in the middle of tower body (1) is connected with the cable terminal (7) of centre afterwards.
2. narrow base cable shoe steel tube tower under four return cable as claimed in claim 1, is characterized in that: described upper phase conductor cross-arm (3) is connected with supporting insulator (6) by supporting insulator (6) bearing with middle phase conductor cross-arm (4).
3. narrow base cable shoe steel tube tower under four return cable as claimed in claim 2, it is characterized in that: the connecting portion that described supporting insulator (6) bearing is used for being connected with upper phase conductor cross-arm (3) or middle phase conductor cross-arm (4) is the parallel plate that two panels is parallel to each other, described two panels parallel plate is provided with the first screw, for being provided with the second screw with the bar of supporting insulator (6) bearing on described upper phase conductor cross-arm (3) and middle phase conductor cross-arm (4).
4. narrow base cable shoe steel tube tower under four return cable as claimed in claim 3, it is characterized in that: described first screw is connected by hex bolts with the second screw, described first screw one lateral edges is provided with the first hexagon bayonet socket corresponding with the head of described hex bolts.
5. narrow base cable shoe steel tube tower under four return cable as claimed in claim 4, it is characterized in that: the second screw edge is provided with the second hexagon buckle corresponding with the first hexagon bayonet socket, described first hexagon bayonet socket thickness is identical with the head thickness of described second hexagon bayonet socket thickness sum and described hex bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774067.6U CN204343772U (en) | 2014-12-09 | 2014-12-09 | Narrow base cable shoe steel tube tower under four return cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774067.6U CN204343772U (en) | 2014-12-09 | 2014-12-09 | Narrow base cable shoe steel tube tower under four return cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204343772U true CN204343772U (en) | 2015-05-20 |
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ID=53227049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420774067.6U Active CN204343772U (en) | 2014-12-09 | 2014-12-09 | Narrow base cable shoe steel tube tower under four return cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204343772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846381A (en) * | 2016-05-31 | 2016-08-10 | 国网上海市电力公司 | Novel all-insulated climbing rod device of 35kV cable |
| CN105846382A (en) * | 2016-05-31 | 2016-08-10 | 上海电瓷厂有限公司 | Full-insulated 35kV cable climbing pole device |
-
2014
- 2014-12-09 CN CN201420774067.6U patent/CN204343772U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846381A (en) * | 2016-05-31 | 2016-08-10 | 国网上海市电力公司 | Novel all-insulated climbing rod device of 35kV cable |
| CN105846382A (en) * | 2016-05-31 | 2016-08-10 | 上海电瓷厂有限公司 | Full-insulated 35kV cable climbing pole device |
| CN105846382B (en) * | 2016-05-31 | 2017-12-26 | 上海电瓷厂有限公司 | All insulation 35kV cable rod rising devices |
| CN105846381B (en) * | 2016-05-31 | 2018-01-02 | 国网上海市电力公司 | A kind of all insulation 35kV cable rod rising devices |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |