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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
arm
phase conductor
cable
tower
supporting insulator
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
Application number
CN201420774067.6U
Other languages
Chinese (zh)
Inventor
应健
李靖
麻坚
金德军
李文武
朱荣军
陈晖�
王庆福
安玉民
黄磊
吴成舟
王真理
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINHUA ELECTRIC POWER DESIGN INSTITUTE Co Ltd
State Grid Corp of China SGCC
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
JINHUA ELECTRIC POWER DESIGN INSTITUTE Co Ltd
State Grid Corp of China SGCC
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JINHUA ELECTRIC POWER DESIGN INSTITUTE Co Ltd, State Grid Corp of China SGCC, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical JINHUA ELECTRIC POWER DESIGN INSTITUTE Co Ltd
Priority to CN201420774067.6U priority Critical patent/CN204343772U/en
Application granted granted Critical
Publication of CN204343772U publication Critical patent/CN204343772U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Narrow base cable shoe steel tube tower under four return cable
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.
CN201420774067.6U 2014-12-09 2014-12-09 Narrow base cable shoe steel tube tower under four return cable Active CN204343772U (en)

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

Family

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN204738589U (en) Cable termination tower that area is little
CN204343772U (en) Narrow base cable shoe steel tube tower under four return cable
CN203260976U (en) Cable termination tower
CN203654846U (en) Steel pipe pole used for cable terminal of electric transmission line
CN204552238U (en) A kind of wire is the compound cross-arm tangent tower that inverted triangle is arranged
CN203589482U (en) 750kV hanging tube bus outgoing/incoming structure
CN103147617B (en) The steel pipe pole that transmission pressure is buried can be realized
CN203113869U (en) Tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling
CN206135347U (en) Horizontal cross elbow of cross
CN204441721U (en) A kind of GIL structure
CN103630715A (en) Metering box
CN204645805U (en) Double back becomes single time angle steel tower
CN204152289U (en) With the two-level architecture terminal steel pipe tower of lightning rod
CN203924856U (en) A kind of 1000kV/500kV strain insulator steel tube tower
CN203826776U (en) Conflux field of multi-terminal flexible DC power transmission system
CN207847235U (en) No ground pole DC transmission line line pole tower
CN207939173U (en) A kind of " T " binding structure suitable for plateau type 35kV double back overhead transmission lines
CN209482813U (en) Band flatbed cable terminal pole
CN207260730U (en) A kind of double loop cable termination tower
CN209261319U (en) Three loop high-voltage DC line polar conductors and metal reflow line are the same as tower arragement construction
CN216110000U (en) 220kV four-loop cable terminal tower
CN204299267U (en) 66kv compact steel pipe tower
CN203367935U (en) Phase distance optimization structure for strain tower of compact transmission line
CN206575071U (en) A kind of tree-like door frame outlet structure of 330kV open airs GIS power distribution equipments
CN204361500U (en) Electric railway direct-furnish traction substation water conservancy diversion loop configuration

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model