CN203755776U - 750kV double-loop composite material tower - Google Patents

750kV double-loop composite material tower Download PDF

Info

Publication number
CN203755776U
CN203755776U CN201320883473.1U CN201320883473U CN203755776U CN 203755776 U CN203755776 U CN 203755776U CN 201320883473 U CN201320883473 U CN 201320883473U CN 203755776 U CN203755776 U CN 203755776U
Authority
CN
China
Prior art keywords
main stem
stull
composite material
cross
double loop
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.)
Expired - Lifetime
Application number
CN201320883473.1U
Other languages
Chinese (zh)
Inventor
冯海潮
杨福民
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.)
SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Co Ltd
Original Assignee
SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY 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 SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Co Ltd filed Critical SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Co Ltd
Priority to CN201320883473.1U priority Critical patent/CN203755776U/en
Application granted granted Critical
Publication of CN203755776U publication Critical patent/CN203755776U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

The utility model relates to a 750kV double-loop composite material tower, which comprises two main pole columns, a ground wire support, an upper cross brace, a middle cross brace, a lower cross brace, a fourth cross brace and wire drawing devices, wherein the ground wire support, the upper cross brace, the middle cross brace, the lower cross brace and the fourth cross brace are sequentially arranged between the two main pole columns from top to bottom and are respectively and fixedly connected with the two main pole columns, parts, connected with the two main pole columns, of the upper cross brace, the lower cross brace and the fourth cross brace are respectively connected with the wire drawing devices, and each main pole column is provided with a three-phase composite cross-arm insulator. The utility model provides the 750kV double-loop composite material tower which is stable in structure and low in maintenance cost.

Description

750kV double loop composite material pole tower
Technical field
The utility model belongs to conveying electro-technical field, relates to a kind of composite material pole tower, relates in particular to a kind of 750kV double loop composite material pole tower.
Background technology
750kV power network is key electrical network in NORTHWEST CHINA area, it,, by Shan, sweet, peaceful, blue or green, new linking together tightly, transfers to electric current each provinces and regions endlessly, and sufficient power, illumination are provided, promote each provinces and regions to develop production, improve the people's living standard and social progress.
750KV electric power line pole tower in spacious field, boundless and indistinct Gobi desert, lofty mountains and steep hills and river valley, hills, be subject to the impact of atmosphere and environment very large, bar and damage accident happen occasionally down, threaten very large to Northwest Grid, very person stops power grid security power supply, and social stability and national economy are caused to great infringement.
In order to process in time 750kV transmission line of electricity pole collapse accident, Shaanxi Qinchuan Electric Power Equipment Industry Co., Ltd. and Northwest China Grid Co., Ltd.'s joint research and development 750kV composite material pole tower, authorized after utility model patent (patent No.: ZL200920425200.8) in 2011 by the examination of State Grid Corporation of China, obtain national grid science and technology second prize, but this shaft tower is only suitable for the horizontal overhead transmission line of single loop, and for 750kV dual-loop co-column circuit, current also do not have a corresponding accident maintenance shaft tower, so in the time that this circuit has an accident, just cannot within the shortest time, recover the power supply of power system, bring extensive damage to the Northwest's industrial and agricultural production and social stability.
Utility model content
In order to solve the above-mentioned technical problem existing in background technology, the utility model provides the 750kV double loop composite material pole tower that a kind of Stability Analysis of Structures maintenance cost is cheap.
Technical solution of the present utility model is: the utility model provides a kind of 750kV double loop composite material pole tower, and its special character is: described 750kV double loop composite material pole tower comprises two main stem, earth wire support, upper stull, middle stull, lower brace, the 4th stull and anchoring; Described earth wire support, upper stull, middle stull, lower brace and the 4th stull are successively set between two main stem from top to bottom and are fixedly connected with two main stem respectively; Described upper stull, lower brace and the 4th stull are connected with anchoring respectively with the junction of two main stem; In described each main stem, be provided with three-phase composite cross arm insulator.
Above-mentioned anchoring comprises bracing wire and can buried cable quadrant; The junction of described upper stull, lower brace and the 4th stull and two main stem respectively by bracing wire with can be connected by buried cable quadrant.
In above-mentioned two main stem, main stem flange is all set, the junction of described upper stull, lower brace and the 4th stull and two main stem respectively successively by main stem flange and bracing wire with can be connected by buried cable quadrant.
Above-mentioned 750kV double loop composite material pole tower also comprises and is arranged on the fork beam being connected between stull and lower brace and with main stem; The crosspoint of described fork beam is arranged in middle stull.
Above-mentioned three-phase composite cross arm insulator comprises multiple composite cross-arm insulators in two loops; Described composite cross-arm insulator comprises cross-arm fuse, be sleeved on the umbrella cover of cross-arm outside core and with the suitable full skirt of umbrella cover; The two ends of described composite cross-arm insulator are provided with the fitting being connected with main stem and suspension wire for respectively.
Above-mentioned cross-arm fuse is the insulated pipes used of inner filled and process.
Above-mentioned 750kV double loop composite material pole tower also comprises cross-arm suspension rod; One end of described cross-arm suspension rod is connected with main stem, and the other end is connected with the end of composite cross-arm insulator.
Above-mentioned main stem comprises main material and abdomen material; The section of described main stem is square; Four angles of described square are main materials of the main stem that is made up of the compound angle section of triangle, are provided with the abdomen material being made up of multiple triangles being connected with main material respectively between described adjacent main material.
The compound angle section of triangle of the main material of above-mentioned formation is the compound angle section of triangle of ⊿ 160 × ⊿ 160; The triangle of the triangle Shi ⊿ 60 × ⊿ 60 of described formation abdomen material.
The utility model has the advantages that:
The utility model provides a kind of 750kV double loop composite material pole tower, and this 750kV double loop composite material repairing shaft tower is the lead wire and earth wire of having set up two transmission lines of electricity on a base bar, and the corridor of having saved a circuit, accounts for field less, has greatly improved environment; Meanwhile, this shaft tower is fixed by three layers of bracing wire, has adopted fork beam to improve distribution of force, its good stability; Main material and the abdomen material of the main stem of this shaft tower all adopt REVIEW OF PULTR UDED COMPOSITE MATERIALS, roofbolt is made up of multiple bar sections, bar section is by the segmentation of 3-4 rice, bar section adopts flange bolt to be connected with bar section, form overall roofbolt, advantage is: material is light, intensity is high, anticorrosive, the life-span long, easy transportation and installation, can realize rapid rush-repair, shortens power off time.
Brief description of the drawings
Fig. 1 is the structural representation of 750kV provided by the utility model double loop composite material pole tower;
Fig. 2 is main stem section structure schematic diagram provided by the utility model;
Wherein:
1-main stem; 2-chassis; The upper bracing wire of 3-; Bracing wire in 4-; 5-pull-down line; 6-cable quadrant; 7-earth wire support; The upper phase of 8-three-phase composite cross arm insulator; The middle phase of 9-three-phase composite cross arm insulator; The lower phase of 10-three-phase composite cross arm insulator; The upper stull of 11-; Stull in 12-; 13-lower brace; 14-the 4th stull; 15-pitches beam; 16-aerial earth wire; 17,18,19,20,21,22-three-phase conducting wire; 23-cross-arm suspension rod; Stull central point in 24-; The main material of 25-; 26-abdomen material.
Detailed description of the invention
Referring to Fig. 1, the utility model provides a kind of 750kV double loop composite material pole tower, and the structure of this shaft tower is:
750kV double loop composite material pole tower is on a shaft tower, to have set up two 750kV power circuits.
Bar is high 56 meters, exhales and claims 32 meters of height, and whole bar is supported by two main stem 1, stands on chassis 2, and main stem 1 is by upper bracing wire 3 and middle bracing wire 4, and pull-down line 5 is connected with cable quadrant 6 with main stem 1, makes electric pole stable.
Because shaft tower is very high, center-to-center distance is large again, so two main stem are connected by upper stull 11, middle stull 12, lower brace 13 and 14 4 stulls of the 4th stull, fork beam 15 has also been installed, make whole bar form a structural entity, the crosspoint of fork beam 15 is arranged on the central point 24 of middle stull, and the distribution of exerting all one's strength more rationally and improve shaft tower rigidity.
Main stem top is connected with main stem 1 by earth wire support 7, hang left and right sides aerial earth wire 16, the main stem on right side has been installed the upper phase 8 of the three-phase composite cross arm insulator of a power circuit, the middle phase 9 of three-phase composite cross arm insulator, the lower phase 10 of three-phase composite cross arm insulator, and three-phase conducting wire 17,18,19 is dangling.Main stem left side has also installed on the three-phase composite cross arm insulator of another power circuit mutually 8, middle phase 9, lower phase 10, is hanging three-phase conducting wire 20,21,22.
Referring to Fig. 2, the main material 25 of complex pole tower is made up of 4 Gen ⊿ 160 × ⊿ 160 × 16 glass fiber reinforced plastic, and abdomen material 26 You ⊿ 60 × 7 glass fiber reinforced plastic form, and mobile jib is formed by connecting by flange by 16 segmentations.(in it, ⊿ is the method for expressing of compound angle section)
Composite cross-arm insulator is made cross-arm fuse, external surface injection moulding silicon rubber umbrella and full skirt, one-shot forming by 5 meters of circular filled and process insulated pipes useds.Cross-arm two ends fitting, one end is connected with mobile jib, and the other end hangs wire, composite cross-arm insulator is also provided with cross-arm suspension rod 23, cross-arm suspension rod is also made up of the outer injection moulding silicon rubber umbrella of insulated pipes used and full skirt, and one end is connected with main stem, other end lifting cross-arm termination.

Claims (8)

1. a 750kV double loop composite material pole tower, is characterized in that: described 750kV double loop composite material pole tower comprises two main stem, earth wire support, upper stull, middle stull, lower brace, the 4th stull and anchoring; Described earth wire support, upper stull, middle stull, lower brace and the 4th stull are successively set between two main stem from top to bottom and are fixedly connected with two main stem respectively; Described upper stull, lower brace and the 4th stull are connected with anchoring respectively with the junction of two main stem; In described each main stem, be provided with three-phase composite cross arm insulator.
2. 750kV according to claim 1 double loop composite material pole tower, is characterized in that: described anchoring comprises bracing wire and can buried cable quadrant; The junction of described upper stull, lower brace and the 4th stull and two main stem respectively by bracing wire with can be connected by buried cable quadrant.
3. 750kV according to claim 2 double loop composite material pole tower, it is characterized in that: in described two main stem, main stem flange is all set, the junction of described upper stull, lower brace and the 4th stull and two main stem respectively successively by main stem flange and bracing wire with can be connected by buried cable quadrant.
4. 750kV according to claim 3 double loop composite material pole tower, is characterized in that: described 750kV double loop composite material pole tower also comprises and is arranged on the fork beam being connected between stull and lower brace and with main stem; The crosspoint of described fork beam is arranged in middle stull.
5. according to the 750kV double loop composite material pole tower described in claim 1 or 2 or 3 or 4, it is characterized in that: described three-phase composite cross arm insulator comprises multiple composite cross-arm insulators in two loops; Described composite cross-arm insulator comprises cross-arm fuse, be sleeved on the umbrella cover of cross-arm outside core and with the suitable full skirt of umbrella cover; The two ends of described composite cross-arm insulator are provided with the fitting being connected with main stem and suspension wire for respectively.
6. 750kV according to claim 5 double loop composite material pole tower, is characterized in that: described cross-arm fuse is the insulated pipes used of inner filled and process.
7. 750kV according to claim 6 double loop composite material pole tower, is characterized in that: described 750kV double loop composite material pole tower also comprises cross-arm suspension rod; One end of described cross-arm suspension rod is connected with main stem, and the other end is connected with the end of composite cross-arm insulator.
8. 750kV according to claim 7 double loop composite material pole tower, is characterized in that: described main stem comprises main material and the abdomen material of formed by extrusion and tension; The section of described main stem is square; Four angles of described square are main materials of the main stem that is made up of the compound angle section of triangle, be provided with the multiple abdomen materials that are connected with main material respectively and form between described adjacent main material.
CN201320883473.1U 2013-12-30 2013-12-30 750kV double-loop composite material tower Expired - Lifetime CN203755776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320883473.1U CN203755776U (en) 2013-12-30 2013-12-30 750kV double-loop composite material tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320883473.1U CN203755776U (en) 2013-12-30 2013-12-30 750kV double-loop composite material tower

Publications (1)

Publication Number Publication Date
CN203755776U true CN203755776U (en) 2014-08-06

Family

ID=51251065

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320883473.1U Expired - Lifetime CN203755776U (en) 2013-12-30 2013-12-30 750kV double-loop composite material tower

Country Status (1)

Country Link
CN (1) CN203755776U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105317263A (en) * 2015-11-16 2016-02-10 云南电网有限责任公司曲靖供电局 All-insulation universal accident emergency repair tower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105317263A (en) * 2015-11-16 2016-02-10 云南电网有限责任公司曲靖供电局 All-insulation universal accident emergency repair tower

Similar Documents

Publication Publication Date Title
CN203246332U (en) Contact net suspension device adopting insulated material
CN103362343B (en) A kind of with tower six circuit pole tower
CN202520040U (en) Bifurcated pole tower for realizing double-T connection of double circuit power transmission line
CN205116866U (en) Device is down drawn to transmission line cable termination solid
CN201460375U (en) Four-loop upright umbrella type pylon
CN206016402U (en) Tape cable platform directly draws following formula double back cable terminal steel pipe pole
CN203352105U (en) A wire arrangement mode converting rod
CN203755776U (en) 750kV double-loop composite material tower
CN203961408U (en) Terminal cable tower and the combination of terminal cable tower
CN201574616U (en) 35KV four-circuit steel pipe rod
CN207813168U (en) Singly cut-off π sections towers in double loop
CN207010187U (en) A kind of branch bar structure of four times overhead transmission lines
CN203097398U (en) 220kV/110kV four-circuit narrow-base steel tube tower
CN202970090U (en) Power transmission tower
CN108005458A (en) Singly cut-off π sections towers in double loop
CN201786071U (en) Single-circuit T connecting steel pipe tower
CN204391660U (en) A kind of ultra-high-tension power transmission line list returns strain rod tower lead wire and earth wire arrangement system
CN2713704Y (en) Four circuit steel tube rod for electric power transmission lines
CN207260730U (en) A kind of double loop cable termination tower
CN206023151U (en) The big span terminal cable bars of 10KV
CN203603580U (en) 110 kv double-loop double-branch angle steel combination tower
CN202672824U (en) Tangent tower for +/- 400 kV direct current transmission line
CN204703578U (en) Bar stepped on by gate framework type cable
CN205840458U (en) 330kV double-circuit line enters electric substation's bilayer door frame new model terminal tower
CN203867258U (en) 110kV lattice composite material pole tower

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PP01 Preservation of patent right
PP01 Preservation of patent right

Effective date of registration: 20180319

Granted publication date: 20140806

PD01 Discharge of preservation of patent
PD01 Discharge of preservation of patent

Date of cancellation: 20210319

Granted publication date: 20140806

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140806