CN208966118U - 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
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- CN208966118U CN208966118U CN201821162124.XU CN201821162124U CN208966118U CN 208966118 U CN208966118 U CN 208966118U CN 201821162124 U CN201821162124 U CN 201821162124U CN 208966118 U CN208966118 U CN 208966118U
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Abstract
The utility model discloses a kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side, solve the problems, such as that high and long cross-arm bring occupies transmission of electricity corridor space greatly and steel tower construction cost is high for big the exhaling of the electric power pylon of voltage levels.Overhanging has insulated compound front overhang armed lever (13) and insulated compound rear overhang armed lever (14) respectively on the lateral surface that the top of wine cup shape steel tower tower body (11) becomes at slope, and compound cross arm end node metal cylinder (10) is connected between the outboard end of insulated compound front overhang armed lever and the outboard end of insulated compound rear overhang armed lever (14)；Insulated compound front tension bar (15) and insulated compound back stay (16) are respectively arranged on the lower bent lever lateral surface of rabbit capitiform steel tower tower window (12), the outboard end of insulated compound front tension bar and the outboard end of insulated compound back stay are connect with compound cross arm end node metal cylinder.Transmission of electricity width of corridor will have significant decrease, and shaft tower weight mitigates significantly.
Description
Technical field
The present invention relates to a kind of cross-arm of electric power pylon, in particular to a kind of side of 500 kilovolts of single time electric power pylons is mutually horizontal
Load.
Background technique
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 route 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 respectively in two outboard ends of cross-arm and is connected to side
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 biggish 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 in the construction of voltage levels transmission line of electricity 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.
Summary of the invention
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 high and long cross-arm bring 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 steel tower tower body and steel tower tower window, in steel tower tower body
Top become slope at lateral surface on respectively overhanging have insulated compound front overhang armed lever and insulated compound rear overhang armed lever, in insulated compound
It is connected with compound cross arm end node metal cylinder between the outboard end of front overhang armed lever and the outboard end of insulated compound rear overhang armed lever,
Insulated compound front overhang armed lever and insulated compound rear overhang armed lever are V-shaped settings；Divide on the lower bent lever lateral surface of steel tower tower window
It is not provided with insulated compound front tension bar and insulated compound back stay, the outboard end and insulated compound back stay of insulated compound front tension bar
Outboard end link 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
Outboard end and the upper arm-tie fixation of pulling plate, 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 provided with suspension clamp on four avris ends of I-shaped connecting plate, sets 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.
Compound cross-arm tower of the invention will have significant decrease than conventional iron tower height degree and transmission of electricity width of corridor, and shaft tower weight is big
It is big to mitigate.The processing characteristics of composite material and product, the energy consumption needed for producing compared with traditional steel tower are greatly lowered, also reduce
The brought 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 route.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the structural schematic diagram of compound cross arm end node of the invention；
Fig. 3 is structural schematic diagram of the present invention in positive apparent direction；
Fig. 4 is that the present invention is looking up the structural schematic diagram on direction；
Fig. 5 is that the present invention hangs the structural schematic diagram for connecing fitting；
Fig. 6 is the annexation figure between cross-arm of the invention, fitting and side phase line；
Fig. 7 is the overall structure diagram of electric power pylon where the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
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 13 He of insulated compound front overhang armed lever respectively on the lateral surface that the top of wine cup shape steel tower tower body 11 becomes at slope
Insulated compound rear overhang armed lever 14, insulated compound front overhang armed lever 13 outboard end and insulated compound rear overhang armed lever 14 outboard end it
Between be connected with compound cross arm end node metal cylinder 10, insulated compound front overhang armed lever 13 is to be in insulated compound rear overhang armed lever 14
V-arrangement setting；Insulated compound front tension bar 15 and insulation are respectively arranged on the lower bent lever lateral surface of rabbit capitiform steel tower tower window 12
The outboard end of compound back stay 16, the outboard end of insulated compound front tension bar 15 and insulated compound back stay 16 with compound cross-arm-end
Portion's node metal 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 upper arm-tie 19 fixation of insulated compound front tension bar 15 socket together；In compound cross-arm-end
Trunnion hanging panel seat 18 is fixedly installed 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 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.Compound cross-arm steel tower of the 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, about 10 meters are reduced, corridor, economic benefit can be greatlyd save using the present invention in the transmission of electricity crowded area in corridor
It is especially significant.Compound cross-arm tower of the invention substantially overcomes the windage yaw of side phase insulator chain, therefore excellent in terms of conducting wire windage yaw
Gesture is significant, 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 steel tower tower body (11) and steel tower tower window (12), special
Sign is, overhanging has insulated compound front overhang armed lever (13) and exhausted respectively on the lateral surface that the top of steel tower tower body (11) becomes at slope
The compound rear overhang armed lever (14) of edge, in the outboard end of insulated compound front overhang armed lever (13) and the outside of insulated compound rear overhang armed lever (14)
Compound cross arm end node metal cylinder (10), insulated compound front overhang armed lever (13) and insulated compound back boom are connected between end
Bar (14) is V-shaped setting；Insulated compound front tension bar is respectively arranged on the lower bent lever lateral surface of steel tower tower window (12)
(15) and insulated compound back stay (16), the outboard end of insulated compound front tension bar (15) and the outside of insulated compound back stay (16)
End links together with compound cross arm end node metal cylinder (10).
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
The outboard end of compound front overhang armed lever (13) is by cross connecting plate (17) and compound cross arm end node metal cylinder (10)
Medial surface be fixed together；It is fixedly installed on the upper end lateral surface of compound cross arm end node metal cylinder (10)
Have upper arm-tie (19), the outboard end of insulated compound front tension bar (15) and upper arm-tie (19) fixation socket together；In compound cross-arm
Trunnion hanging panel seat (18) are fixedly installed on the lower end outside face of endpoint node metallic cylinder (10).
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
It is connected with trunnion hanging panel (7) on axis hanging plate seat (18), link on U-shaped (6) are mounted in the lower end of trunnion hanging panel (7), on U-shaped
Link under U-shaped (5) are mounted in link (6), the lower end of link (5) is mounted with adjustment platform sling (4) under U-shaped, in adjustment platform sling
(4) lower end is connected with I-shaped connecting plate (1), is provided with suspension clamp on four avris ends of I-shaped connecting plate (1)
(2), the centre of I-shaped connecting plate (1) is provided with weight (3), aluminium armor tape (8) is provided on suspension clamp (2), in aluminium
Quadripartion power transmission line (9) are provided in band (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162124.XU CN208966118U (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 |
|---|---|---|---|
| CN201821162124.XU CN208966118U (en) | 2018-07-23 | 2018-07-23 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
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| Publication Number | Publication Date |
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| CN208966118U true CN208966118U (en) | 2019-06-11 |
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| CN201821162124.XU Active CN208966118U (en) | 2018-07-23 | 2018-07-23 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691451A (en) * | 2018-07-23 | 2018-10-23 | 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 CN201821162124.XU patent/CN208966118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691451A (en) * | 2018-07-23 | 2018-10-23 | 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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