CN203654846U - Steel pipe pole used for cable terminal of electric transmission line - Google Patents

Steel pipe pole used for cable terminal of electric transmission line Download PDF

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Publication number
CN203654846U
CN203654846U CN201320654036.2U CN201320654036U CN203654846U CN 203654846 U CN203654846 U CN 203654846U CN 201320654036 U CN201320654036 U CN 201320654036U CN 203654846 U CN203654846 U CN 203654846U
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CN
China
Prior art keywords
arm
cable
arrester
steel pipe
platform
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Active
Application number
CN201320654036.2U
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Chinese (zh)
Inventor
徐以理
张晓炎
高平
冯毓敏
阮晋
陈忠华
王国良
顾晓阳
高振宇
陈攀
陈旭
王丙印
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HANGZHOU ELECTRIC POWER DESIGN INSTITUTE Co Ltd
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HANGZHOU ELECTRIC POWER DESIGN INSTITUTE Co Ltd
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Priority to CN201320654036.2U priority Critical patent/CN203654846U/en
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Publication of CN203654846U publication Critical patent/CN203654846U/en
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Abstract

The utility model discloses a steel pipe pole used for the cable terminal of an electric transmission line. The steel pipe pole is characterized in that a ground electrode cross arm, three phase wire side cross arms, an arrester platform and a cable terminal platform are fixed on the main pole of the steel pipe pole from high to low in sequence, the arrester platform comprises 6 arresters, an arrester stand and composite insulator cross arms, the 6 arresters are divided into two groups of three phases and arranged on the two sides of the arrester stand respectively, the cable terminal platform comprises a terminal stand, 6 outdoor cable terminals and 6 cables, the 6 outdoor cable terminals and the 6 cables are divided into two groups of three phases and arranged on the two sides of the terminal stand respectively, a main drainage wire is synthesized into an insulator chain through wire jumpers, supporting insulators are connected to the outdoor cable terminals and connected into ground through the cables, and in addition, an auxiliary drainage wire is lead out from the main drainage wire and connected to the arresters. According to the utility model, the steel pipe pole is high in universality and practicability, and realizes the multifunction of the pole.

Description

Transmission line cable termination steel pipe pole
Technical field
The utility model belongs to electric power main equipment, particularly a kind of for ultra-high-tension power transmission line cable shoe steel pipe pole.
Background technology
In recent years, along with the development of domestic electric power, particularly urban aerial transmission line of electricity is carried out " under above changing " engineering, makes The Surroundings in Cities finer.In circuit transformation process, consider the various difficult problems such as the feasibility, necessity, investment, the method for operation, policy processing of enforcement, overhead wire sometimes can only part strain section or a few base shaft tower between circuit transform cable run as, need to utilize cable termination tower, make whole piece circuit become built on stilts and cable hybrid line.Moreover, when electric substation makes somebody a mere figurehead inlet wire, outlet, also need to utilize cable termination tower.Therefore, newly-built cable run increases, some cable termination tower designs manifest weak point, as circuit there is potential safety hazard, take up an area more, maintenance and operation upper inconvenient etc., this has proposed a difficult problem to transmission line cable termination tower innovation optimal design, the utility model is exactly in order to solve an above-mentioned difficult problem, designs a kind of cable shoe steel pipe pole of transmission line of electricity innovation optimal design.
Summary of the invention
To be solved in the utility model is the problems referred to above that prior art exists, aim to provide a kind of innovation layout, structure optimization, aesthetic in appearance, floor space is little, maintenance and operation easily, for transmission line cable termination steel pipe pole.
For addressing the above problem, the utility model is by the following technical solutions: transmission line cable termination steel pipe pole, comprise main rod body, it is characterized in that being fixed with successively from high to low ground wire cross-arm, three-phase conducting wire side cross-arm, arrester platform and cable shoe platform in described main rod body; Every phase cross-arm of described three-phase conducting wire side cross-arm all has two arms, is respectively provided with a wire wire jumper composite insulation substring on each arm; Described arrester platform comprises arrester, surge arrester support and composite insulator cross-arm, and described arrester is 6, is divided into two groups of three-phases and is arranged in respectively the both sides of described surge arrester support; Described composite insulator cross-arm is two, is separately positioned on the both sides of described surge arrester support, and each composite insulator cross-arm outside is respectively equipped with three supporting insulators; Described cable shoe platform comprises terminals support, outdoor cable terminals and cable, and described outdoor cable terminals and cable are 6, is divided into two groups of three-phases and is arranged in respectively the both sides of described terminals support; Main drainage thread is connected to outdoor cable terminals by wire wire jumper composite insulation substring, supporting insulator, then by putting cable underground.Meanwhile, described arrester is drawn and be connected to Assist drainage line from described main drainage thread.
Transmission line cable termination steel pipe pole of the present utility model, has following beneficial effect:
1, due to unique structure design, use this cable shoe steel pipe pole, can be applicable to 110 KV transmission lines, solve a difficult problem that transmission line cable termination tower is difficult to innovate optimized development.Particularly, due to the versatility of the utility model cable shoe steel pipe pole and practical, reduce the danger of work high above the ground, will establish solid foundation for applying of its.The utility model, by after transforming, can be applicable to 110 kilovolts and 220 kilovolts of single, double back transmission lines, also can be with corner, has realized this shaft tower multipurpose.
2, compare with cable shoe angle steel tower: can reduce tower body blast, improve structural-load-carrying capacity, steel pipe pole can reduce 10%-20% than angle steel tower rolled steel dosage; Also can reduce rod member quantity simultaneously, shorten and build the tower cycle, also can save land resources, the comprehensive method of investment is comparatively saved.
3, under the Insulation Coordination design and combinational gap condition that meet " power engineering high voltage circuit design manual " and " electric power safety working regulation " requirement, use novel cable terminal steel pipe pole, overcome having a strong impact on that cable shoe entanglement is arranged, reduce unnecessary supporting insulator, save corresponding investment, improve the reliability of electric equipment operation, strengthened the safety of maintainer's work, thereby improved economic benefit and social benefit.
4, floor space is less, less on civic landscape impact.
As further improvement of the utility model, three of the upper, middle and lower cross-arm of described three-phase conducting wire side cross-arm is arranged in a crossed manner, to reach better electric clearance.Meanwhile, the double loop of the breaking the normal procedure cable shoe transition method of porcelain insulator that is arranged above and below, has avoided too much use supporting insulator, and down lead wiring is clear.A typical embodiment, the upper cross-arm of described three-phase conducting wire side cross-arm is arranged on the first and second quadrants, and middle cross-arm is arranged on horizontal axis, and lower cross-arm is arranged on the third and fourth quadrant.
Further improve as of the present utility model, on described arrester platform and cable shoe platform, lay embossed steel plate, platform surrounding arranges handrail, is convenient to operation and maintenance in the future.
Further improve again as of the present utility model, between described main drainage thread and supporting insulator, be connected by device clamp; Between described main drainage thread and Assist drainage line, be connected by T-shaped wire clamp; Between described main drainage thread and outdoor cable terminals, be connected by copper-aluminium transition equipment cable clamp.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the cross-sectional view of the utility model three-phase conducting wire side cross-arm.
Fig. 4 is the cross-sectional view of the utility model arrester platform.
Fig. 5 is the cross-sectional view of the utility model terminal platform.
The specific embodiment
With reference to accompanying drawing, of the present utility model, transmission line cable termination steel pipe pole, comprises main rod body 1, is fixed with successively from high to low ground wire cross-arm 17, three-phase conducting wire side cross-arm 18,19,20, arrester platform 21 and cable shoe platform 22 in described main rod body 1; Three of the upper, middle and lower cross-arm of described three-phase conducting wire side cross-arm 18,19,20 is arranged in a crossed manner, and every phase cross-arm all has two arms, is respectively provided with a wire wire jumper composite insulation substring 8 on each arm; Described arrester platform 21 comprises arrester 3, surge arrester support 6 and composite insulator cross-arm 4, and described arrester 3 is 6, is divided into two groups of three-phases and is arranged in respectively the both sides of described surge arrester support 6; Described composite insulator cross-arm 4 is two, is separately positioned on the both sides of described surge arrester support 6, and each composite insulator cross-arm 4 outsides are respectively equipped with three supporting insulators 31; Described cable shoe platform 22 comprises terminals support 7, outdoor cable terminals 2 and cable 16, and described outdoor cable terminals 2 and cable 16 are 6, is divided into two groups of three-phases and is arranged in respectively the both sides of described terminals support 7; Main drainage thread 8 is drawn from the strain insulator string 28 of wire, is connected to outdoor cable terminals 2 by wire wire jumper composite insulation substring 8, supporting insulator 31, then enters ground by cable 16; Meanwhile, described arrester 3 is drawn and be connected to Assist drainage line 29 from described main drainage thread 8.
The upper cross-arm of described three-phase conducting wire side cross-arm 18,19,20 is arranged on the first and second quadrants, and middle cross-arm is arranged on horizontal axis, and lower cross-arm is arranged on the third and fourth quadrant.
On described arrester platform 21, lay embossed steel plate 23, platform surrounding arranges handrail 24.
On described cable shoe platform 22, lay embossed steel plate 25, platform surrounding arranges handrail 26.
On the top ground wire cross-arm 17 of described main rod body 1, connect overhead wire ground wire, wire cross-arm 18,19,20 connects respectively overhead line conductor, and bottom enters ground by cable 16.
Described cable 16 is fixed on anchor ear fixed support 27 by cable anchor ear 14.
Between described main drainage thread 8 and supporting insulator 31, be connected by device clamp 12; Between described main drainage thread 8 and Assist drainage line 29, be connected by T-shaped wire clamp 10; Between described main drainage thread 8 and outdoor cable terminals 2, be connected by copper-aluminium transition equipment cable clamp 11.
Should be understood that: above-described embodiment is just to explanation of the present utility model, rather than to restriction of the present utility model, any utility model not exceeding within the scope of the utility model connotation is created, within all falling into protection domain of the present utility model.

Claims (6)

1. transmission line cable termination steel pipe pole, comprise main rod body (1), it is characterized in that being fixed with successively from high to low ground wire cross-arm (17), three-phase conducting wire side cross-arm (18,19,20), arrester platform (21) and cable shoe platform (22) in described main rod body (1); Every phase cross-arm of described three-phase conducting wire side cross-arm (18,19,20) all has two arms, is respectively provided with a wire wire jumper composite insulation substring (8) on each arm; Described arrester platform (21) comprises arrester (3), surge arrester support (6) and composite insulator cross-arm (4), and described arrester (3) is 6, is divided into two groups of three-phases and is arranged in respectively the both sides of described surge arrester support (6); Described composite insulator cross-arm (4) is two, is separately positioned on the both sides of described surge arrester support (6), and each composite insulator cross-arm (4) outside is respectively equipped with three supporting insulators (31); Described cable shoe platform (22) comprises terminals support (7), outdoor cable terminals (2) and cable (16), described outdoor cable terminals (2) and cable (16) are 6, are divided into two groups of three-phases and are arranged in respectively the both sides of described terminals support (7); Main drainage thread (8) is connected to outdoor cable terminals (2) by wire wire jumper composite insulation substring (8), supporting insulator (31), then enters ground by cable (16); Meanwhile, described arrester (3) is drawn and be connected to Assist drainage line (29) from described main drainage thread (8).
2. transmission line cable termination steel pipe pole as claimed in claim 1, is characterized in that three of the upper, middle and lower cross-arm of described three-phase conducting wire side cross-arm (18,19,20) is arranged in a crossed manner.
3. transmission line cable termination steel pipe pole as claimed in claim 2, the upper cross-arm that it is characterized in that described three-phase conducting wire side cross-arm (18,19,20) is arranged on the first and second quadrants, middle cross-arm is arranged on horizontal axis, and lower cross-arm is arranged on the third and fourth quadrant.
4. transmission line cable termination steel pipe pole as claimed in claim 1, is characterized in that the upper embossed steel plate (23) of laying of described arrester platform (21), and platform surrounding arranges handrail (24).
5. transmission line cable termination steel pipe pole as claimed in claim 1, is characterized in that the upper embossed steel plate (25) of laying of described cable shoe platform (22), and platform surrounding arranges handrail (26).
6. as the transmission line cable termination steel pipe pole of claim 1-5 as described in any one, it is characterized in that being connected by T-shaped wire clamp (10) between described main drainage thread (8) and Assist drainage line (29); Between described main drainage thread (8) and outdoor cable terminals (2), be connected by copper-aluminium transition equipment cable clamp (11).
CN201320654036.2U 2013-10-21 2013-10-21 Steel pipe pole used for cable terminal of electric transmission line Active CN203654846U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320654036.2U CN203654846U (en) 2013-10-21 2013-10-21 Steel pipe pole used for cable terminal of electric transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320654036.2U CN203654846U (en) 2013-10-21 2013-10-21 Steel pipe pole used for cable terminal of electric transmission line

Publications (1)

Publication Number Publication Date
CN203654846U true CN203654846U (en) 2014-06-18

Family

ID=50921250

Family Applications (1)

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CN201320654036.2U Active CN203654846U (en) 2013-10-21 2013-10-21 Steel pipe pole used for cable terminal of electric transmission line

Country Status (1)

Country Link
CN (1) CN203654846U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104242208A (en) * 2014-09-22 2014-12-24 国家电网公司 Double-circuit cable terminal steel pipe pole for overhead transmission line
CN104917131A (en) * 2015-06-19 2015-09-16 上海电力设计院有限公司 Terminal tower wire incoming/outgoing interval arrangement structure
CN105298201A (en) * 2015-11-06 2016-02-03 江苏省电力公司苏州供电公司 Electric-transmission-line cable-terminal three-dimensional downwards-leading device
CN105421864A (en) * 2015-12-04 2016-03-23 国网北京市电力公司 Cable terminal steel pipe pole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104242208A (en) * 2014-09-22 2014-12-24 国家电网公司 Double-circuit cable terminal steel pipe pole for overhead transmission line
CN104917131A (en) * 2015-06-19 2015-09-16 上海电力设计院有限公司 Terminal tower wire incoming/outgoing interval arrangement structure
CN104917131B (en) * 2015-06-19 2017-03-29 上海电力设计院有限公司 Terminal tower line arranged for interval structure
CN105298201A (en) * 2015-11-06 2016-02-03 江苏省电力公司苏州供电公司 Electric-transmission-line cable-terminal three-dimensional downwards-leading device
CN105421864A (en) * 2015-12-04 2016-03-23 国网北京市电力公司 Cable terminal steel pipe pole

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