CN108691451A - A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side - Google Patents
A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side Download PDFInfo
- Publication number
- CN108691451A CN108691451A CN201810809347.9A CN201810809347A CN108691451A CN 108691451 A CN108691451 A CN 108691451A CN 201810809347 A CN201810809347 A CN 201810809347A CN 108691451 A CN108691451 A CN 108691451A
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- Prior art keywords
- compound
- insulated
- armed lever
- insulated compound
- cross
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 235000002259 Callirhoe involucrata Nutrition 0.000 claims abstract description 7
- 241000283973 Oryctolagus cuniculus Species 0.000 claims abstract description 7
- 241001339245 Callirhoe digitata Species 0.000 claims abstract 3
- 239000000725 suspension Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 20
- 238000010276 construction Methods 0.000 abstract description 6
- 239000012212 insulator Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 240000006350 Callirhoe involucrata Species 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
The invention discloses a kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side, solve the problems, such as the electric power pylon of voltage levels it is big exhale that high and long cross-arm brings occupy transmission of electricity corridor space greatly and steel tower construction cost is high.In wine cup shape steel tower tower body(11)Top become slope at lateral surface on respectively overhanging have insulated compound front overhang armed lever(13)With insulated compound rear overhang armed lever(14), in insulated compound front overhang armed lever(13)Outboard end and insulated compound rear overhang armed lever(14)Outboard end between be connected with compound cross arm end node metal cylinder(10);In rabbit capitiform steel tower tower window(12)Lower bent lever lateral surface on be respectively arranged with insulated compound front tension bar(15)With insulated compound back stay(16), insulated compound front tension bar(15)Outboard end and insulated compound back stay(16)Outboard end with compound cross arm end node metal cylinder(10)Connection.Transmission of electricity width of corridor will have significant decrease, shaft tower weight to mitigate significantly.
Description
Technical field
The present invention relates to a kind of cross-arm of electric power pylon, more particularly to the side of a kind of 500 kilovolts of single time electric power pylons is mutually horizontal
Load.
Background technology
It with the development of power grid construction, transfers electricity from the west to the east, the power grid construction of north and south supply mutually, transmission line of electricity is more and more, transmission of electricity
The voltage class of circuit is also higher and higher, and the demand to steel is also increasing, consumes a large amount of mineral products energy, and cause
The destruction of ecological environment.Currently, 110kV above electric power line pole tower overwhelming majority in China uses all-steel structure, but steel are deposited
In quality weight, easy-to-rust or it is easy to crack the defects of, there is also the problem of construction transport and operation and maintenance difficulty, also, all steel knot
The transmission line of electricity of the shaft tower of structure is easy to happen failures and the accidents such as pollution flashover, windage yaw electric discharge.Existing electric power pylon is generally
Tallboy shape is fixedly installed linear type cross-arm on steel tower top, the exhausted of the suspension that is in the shape of the letter V is provided in the middle part of cross-arm
Edge substring, the phase transmission line of electricity in the lower end of the insulator chain of V-shaped is hung and is connected to, hangs in two outboard ends of cross-arm and is connected to side respectively
Phase insulator chain, in the phase transmission line of electricity when the lower end of phase insulator chain is hung and is connected to.It is special for the transmission line of electricity of voltage levels
It is not for 500 KV transmission lines, the length of side phase insulator chain can reach 5.5-6 meters or so, in order to overcome wind to put, it is necessary to
The length for lengthening steel tower cross-arm makes the length of cross-arm reach the length of 30-32 rice, meanwhile, the larger side phase insulator chain of length also increases
Big electric power pylon exhales height, and big exhales high and long cross-arm to considerably increase the cross section in transmission of electricity corridor, also considerably increases
The height of electric power pylon, makes transmission of electricity corridor more occupy environment space, and the construction of tall and big electric power pylon also consumes more
Steel resources, how the difficulty for also bringing the transport of steel tower and building to reduce the transmission of electricity of the electric power pylon of voltage levels
Corridor is taken up space, and saves the cost that steel tower is built and transported, and is become during voltage levels transmission line of electricity is built and is badly in need of
It solves the problems, such as.
The big cross-arm for exhaling height and length of the electric power pylon of voltage levels, brings and occupies transmission of electricity corridor large space and iron
The high-cost defect that tower is built is entangled the reason is that since steel tower and cross-arm are the conductive steel of ground connection, and voltage levels
Transmission line of electricity, the insulator chain of lengthening can only be leaned on to completely cut off high pressure, and the not wind resistance of the side phase insulator chain of 1 font hanging
Partially, the main reason for and causing above two defect.Composite material has high-strength, lightweight, corrosion-resistant, handling ease, can design
Property and the good advantage of insulation performance, are increasingly paid attention to by engineering circles, especially for power transmission and transformation industry engineer application institute pro-gaze;
The suspension strut of the side phase transmission line of electricity on electric power pylon how to be transformed using the composite material of insulation, is mutually insulated with reducing side
The length of substring becomes the problem of Transmission Line Design.
Invention content
The present invention provides a kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side, solve the defeated of voltage levels
The big of ferroelectric tower exhales what high and long cross-arm brought to occupy the technical problem that transmission of electricity corridor space is big and steel tower construction cost is high.
The present invention is to solve the above technical problem by the following technical programs:
A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side, including wine cup shape steel tower tower body and rabbit capitiform steel tower tower window,
Overhanging has insulated compound front overhang armed lever and insulated compound rear overhang respectively on the lateral surface that the top of wine cup shape steel tower tower body becomes at slope
Armed lever is connected with compound cross-arm-end between the outboard end and the outboard end of insulated compound rear overhang armed lever of insulated compound front overhang armed lever
Portion's node metal cylinder, insulated compound front overhang armed lever and insulated compound rear overhang armed lever are V-shaped settings;In rabbit capitiform steel tower tower
Be respectively arranged with insulated compound front tension bar and insulated compound back stay on the lower bent lever lateral surface of window, insulated compound front tension bar it is outer
The outboard end of side and insulated compound back stay links together with compound cross arm end node metal cylinder.
The outboard end of insulated compound front overhang armed lever is by cross connecting plate and compound cross arm end node metal cylinder
Medial surface be fixed together;It is fixedly installed on the upper end lateral surface of compound cross arm end node metal cylinder
Pulling plate, outboard end and the upper arm-tie fixation of insulated compound front tension bar socket together;In compound cross arm end node metal cylinder
Lower end outside face on be fixedly installed trunnion hanging panel seat.
It is connected with trunnion hanging panel on trunnion hanging panel seat, link on U-shaped is mounted in the lower end of trunnion hanging panel, on U-shaped
Link under U-shaped is mounted in link, the lower end of link is mounted with adjustment platform sling under U-shaped, is connected in the lower end of adjustment platform sling
I-shaped connecting plate is both provided with suspension clamp on four avris ends of I-shaped connecting plate, is set in the centre of I-shaped connecting plate
It is equipped with weight, aluminium armor tape is provided on suspension clamp, quadripartion power transmission line is provided in aluminium armor tape.
The compound cross-arm tower of the present invention will have significant decrease, shaft tower weight big than conventional iron tower height degree and transmission of electricity width of corridor
It is big to mitigate.The processing characteristics of composite material and product, the energy consumption compared with traditional steel tower needed for production are greatly lowered, also reduce
The caused environmental pollution in process of traditional steel tower;Due to the processing technology and Color tunable of composite material, designing
On can match with environment, enhance the environment friendly of circuit.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention;
Fig. 2 is the structural schematic diagram of the compound cross arm end node of the present invention;
Fig. 3 is structural schematic diagram of the present invention in positive apparent direction;
Fig. 4 is structural schematic diagram of the present invention on looking up direction;
Fig. 5 is that the present invention hangs the structural schematic diagram for connecing gold utensil;
Fig. 6 is the annexation figure between the cross-arm, gold utensil and side phase line of the present invention;
Fig. 7 is the overall structure diagram of electric power pylon where the present invention.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings:
A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side, including wine cup shape steel tower tower body 11 and rabbit capitiform steel tower tower window
12, overhanging has insulated compound front overhang armed lever 13 and insulation respectively on the lateral surface that the top of wine cup shape steel tower tower body 11 becomes at slope
Compound rear overhang armed lever 14 connects between the outboard end and the outboard end of insulated compound rear overhang armed lever 14 of insulated compound front overhang armed lever 13
It is connected to compound cross arm end node metal cylinder 10, insulated compound front overhang armed lever 13 is V-shaped with insulated compound rear overhang armed lever 14
It is arranged;It is respectively arranged with insulated compound front tension bar 15 and insulated compound on the lower bent lever lateral surface of rabbit capitiform steel tower tower window 12
Back stay 16, the outboard end of insulated compound front tension bar 15 and the outboard end of insulated compound back stay 16 with compound cross arm end section
Point metallic cylinder 10 links together.
The outboard end of insulated compound front overhang armed lever 13 is by cross connecting plate 17 and compound cross arm end node metal
What the medial surface of cylinder 10 was fixed together;It is fixed on the upper end lateral surface of compound cross arm end node metal cylinder 10
It is provided with upper arm-tie 19, outboard end and the fixation of upper arm-tie 19 of insulated compound front tension bar 15 socket together;In compound cross-arm-end
It is fixedly installed trunnion hanging panel seat 18 on the lower end outside face of portion's node metal cylinder 10.
It is connected with trunnion hanging panel 7 on trunnion hanging panel seat 18, link 6 on U-shaped are mounted in the lower end of trunnion hanging panel 7, in U
Link 5 under U-shaped are mounted in shape in link 6, the lower end of link 5 is mounted with adjustment platform sling 4 under U-shaped, in the case where adjusting platform sling 4
End is connected with I-shaped connecting plate 1, suspension clamp 2 is both provided on four avris ends of I-shaped connecting plate 1, in I-shaped connecting plate
1 centre is provided with weight 3, and aluminium armor tape 8 is provided on suspension clamp 2, and quadripartion power transmission line is provided in aluminium armor tape 8
9。
Side phase cross-arm controls transmission line of electricity distance to the ground, and hardware string of the invention is only 1.2 meters long, effectively reduces bar
Tower exhales title height;Same voltage class, when according to cup tower or cat tower, suspension insulator string length is more than 6 meters, according to this hair
When bright compound cross-arm steel tower, pendency string length is only 1.25 meters, greatly reduces steel tower and exhales height.The compound cross-arm steel tower of the present invention
When exhaling a height of 42 meters, and exhaling for cup tower or cat tower high be at least 46 meters and exhale height.
Since steel tower both sides mutually move down, when using compound cross-arm tower scheme, cross-arm width is 15.8 meters, than wineglass tower cross-arm
25.6 meters of width reduces about 10 meters, and corridor, economic benefit can be greatlyd save using the present invention in the transmission of electricity crowded area in corridor
Especially significantly.The compound cross-arm tower of the present invention substantially overcomes the windage yaw of side phase insulator chain, therefore excellent in terms of conducting wire windage yaw
Gesture is notable, can be used cooperatively with high tower under equal conditions.Compared with traditional steel tower, tower line corridor of the invention can be reduced
About one third can largely economize the land resource;It is non-renewable resources since traditional steel tower raw material are iron ore.It is multiple
It closes cross-arm novel tower major part raw material and is changed to silica ore, Chinese reserves are extremely more, are more advantageous to and utilize domestic resource.
Claims (3)
1. a kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side, including wine cup shape steel tower tower body(11)With rabbit capitiform steel tower
Tower window(12), which is characterized in that in wine cup shape steel tower tower body(11)Top become slope at lateral surface on respectively overhanging have insulation
Compound front overhang armed lever(13)With insulated compound rear overhang armed lever(14), in insulated compound front overhang armed lever(13)Outboard end and insulation it is multiple
Close rear overhang armed lever(14)Outboard end between be connected with compound cross arm end node metal cylinder(10), insulated compound front overhang armed lever
(13)With insulated compound rear overhang armed lever(14)It is V-shaped setting;In rabbit capitiform steel tower tower window(12)Lower bent lever lateral surface on
It is respectively arranged with insulated compound front tension bar(15)With insulated compound back stay(16), insulated compound front tension bar(15)Outboard end and
Insulated compound back stay(16)Outboard end with compound cross arm end node metal cylinder(10)It links together.
2. a kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side according to claim 1, which is characterized in that insulation
Compound front overhang armed lever(13)Outboard end be by cross connecting plate(17)With compound cross arm end node metal cylinder(10)
Medial surface be fixed together;In compound cross arm end node metal cylinder(10)Upper end lateral surface on be fixedly installed
There is upper arm-tie(19), insulated compound front tension bar(15)Outboard end and upper arm-tie(19)Fixation sockets together;In compound cross-arm
Endpoint node metallic cylinder(10)Lower end outside face on be fixedly installed trunnion hanging panel seat(18).
3. a kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side according to claim 2, which is characterized in that in ear
Axis hanging plate seat(18)On be connected with trunnion hanging panel(7), in trunnion hanging panel(7)Lower end be mounted with link on U-shaped(6), on U-shaped
Link(6)In be mounted with link under U-shaped(5), the link under U-shaped(5)Lower end be mounted with adjustment platform sling(4), in adjustment platform sling
(4)Lower end be connected with I-shaped connecting plate(1), in I-shaped connecting plate(1)Four avris ends on be both provided with suspension clamp
(2), in I-shaped connecting plate(1)Centre be provided with weight(3), in suspension clamp(2)On be provided with aluminium armor tape(8), in aluminium
Band(8)In be provided with quadripartion power transmission line(9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809347.9A CN108691451A (en) | 2018-07-23 | 2018-07-23 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809347.9A CN108691451A (en) | 2018-07-23 | 2018-07-23 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108691451A true CN108691451A (en) | 2018-10-23 |
Family
ID=63850837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809347.9A Pending CN108691451A (en) | 2018-07-23 | 2018-07-23 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108691451A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451407A (en) * | 2007-12-04 | 2009-06-10 | 国网北京电力建设研究院 | S type power transmission iron tower for DC transmission line |
| CN202711880U (en) * | 2012-07-31 | 2013-01-30 | 中国南方电网有限责任公司超高压输电公司 | Singly connected V-shaped composite insulator string for +/-500 kV double-circuit lines on same tower |
| CN205918210U (en) * | 2016-08-29 | 2017-02-01 | 江西省电力设计院 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
| CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN208966118U (en) * | 2018-07-23 | 2019-06-11 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
-
2018
- 2018-07-23 CN CN201810809347.9A patent/CN108691451A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451407A (en) * | 2007-12-04 | 2009-06-10 | 国网北京电力建设研究院 | S type power transmission iron tower for DC transmission line |
| CN202711880U (en) * | 2012-07-31 | 2013-01-30 | 中国南方电网有限责任公司超高压输电公司 | Singly connected V-shaped composite insulator string for +/-500 kV double-circuit lines on same tower |
| CN205918210U (en) * | 2016-08-29 | 2017-02-01 | 江西省电力设计院 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
| CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN208966118U (en) * | 2018-07-23 | 2019-06-11 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
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