CN104533115B - For the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition - Google Patents
For the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition Download PDFInfo
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- CN104533115B CN104533115B CN201410853593.6A CN201410853593A CN104533115B CN 104533115 B CN104533115 B CN 104533115B CN 201410853593 A CN201410853593 A CN 201410853593A CN 104533115 B CN104533115 B CN 104533115B
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- inlet wire
- frame girder
- main transformer
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- 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
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/04—Transformer houses; Substations or switchgear houses
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Abstract
The present invention provides a kind of for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, first main transformer inlet wire frame girder therein, one end of first outlet structure beam and the second main transformer inlet wire frame girder is all connected fixing with the second main transformer inlet wire truss column, the first outlet structure beam other end, second outlet structure beam one end is all connected fixing with the 4th transition truss column, the first main transformer inlet wire frame girder other end and the first end dagger connect fixing, the second main transformer inlet wire frame girder other end and the first main transformer inlet wire truss column connect fixing, the second outlet structure beam other end is connected fixing with outlet structure post, second transition frame girder two ends respectively with outlet structure post, First Transition truss column connects fixing.Utilizing the present invention to conveniently realize, to be transitioned into 500kV from 220kV brownout operation properly functioning, has not only saved substation's land occupation resource, and has decreased volume of earthwork and the cable usage amount of cable tunnel, has reduced the cost of investment of transformer station.
Description
Technical field
The present invention relates to 500kV transformer substation framework technical field, especially relate to a kind of for the outlet of 500kV transformer station,
Inlet wire, the integrated form framework of transition.
Background technology
System schema and electrical arrangement at the beginning of 500kV Substation Design need to consider the current period blood pressure lowering of 500kV transformer station
Run, carry out the brownout operation of 220kV grade in advance, be finally transitioned into the properly functioning of 500kV grade.At 500kV
Before substation operation, need first to carry out the construction of cable tunnel according to the seat belt electrical distance between cable, will
Station cable is embedded in cable tunnel, and the floor space that so may result in cable laying increases, thus compressor station district
Enclosure wall inner area, is unfavorable for saving valuable land resource；And, the quantities of cable tunnel construction is very big, builds
Cost is high, causes the overall investment cost of 500kV transformer station to increase.
Summary of the invention
The technical problem to be solved in the present invention is: the problem existed for prior art, it is provided that a kind of for 500kV change
Power station outlet, inlet wire, the integrated form framework of transition, save land area in cable usage amount and station, reduce 500kV
The overall investment cost of transformer station.
The technical problem to be solved in the present invention realizes by the following technical solutions: for the outlet of 500kV transformer station, enter
Line, the integrated form framework of transition, including the first end dagger, the first main transformer inlet wire frame girder, the first outlet structure beam,
Second end dagger, First Transition frame girder, First Transition truss column, the second transition frame girder, the second outlet structure beam,
Outlet structure post, the 3rd transition frame girder, the second transition truss column, the 4th transition truss column, the first main transformer inlet wire structure
Trestle, the 5th transition frame girder and the second main transformer inlet wire frame girder and the second main transformer inlet wire truss column, described first is main
Become inlet wire frame girder, the first outlet structure beam and the second main transformer inlet wire frame girder one end all with the second main transformer inlet wire framework
Post connects fixing, the described first outlet structure beam other end, second outlet structure beam one end all with the 4th transition truss column
Connecting fixing, the first main transformer inlet wire frame girder other end and the first end dagger connect fixing, the second main transformer inlet wire frame girder
The other end and the first main transformer inlet wire truss column connect fixing, and the second outlet structure beam other end is connected solid with outlet structure post
Fixed, described second transition frame girder two ends are connected fixing respectively with outlet structure post, First Transition truss column.Described
One transition frame girder is positioned at below the second transition frame girder, and its two ends respectively with the second end dagger, First Transition framework
Post connects fixing, and described 3rd transition frame girder is positioned at below the second main transformer inlet wire frame girder, and its two ends are respectively with the
Two transition truss columns, the 4th transition truss column connect fixing, and described 5th transition frame girder is positioned at the second main transformer inlet wire structure
Below setting a roof beam in place, and its two ends are connected fixing respectively with the second main transformer inlet wire truss column, the first main transformer inlet wire truss column.
Preferably, the described angle between the first main transformer inlet wire frame girder and the first outlet structure beam is 90 degree.
Preferably, the angle between the first described outlet structure beam and the second main transformer inlet wire frame girder is 90 degree.
Preferably, described First Transition frame girder be arranged on the first main transformer inlet wire frame girder, the second transition frame girder it
Between, and be mutually perpendicular to the first main transformer inlet wire frame girder, the second transition frame girder respectively.
Preferably, the second described transition frame girder is the most vertical with the first outlet structure beam, the second outlet structure beam respectively
Directly.
Preferably, the 3rd described transition frame girder be arranged on the second transition frame girder, the second main transformer inlet wire frame girder it
Between, and be mutually perpendicular to the first outlet structure beam, the second outlet structure beam respectively.
Preferably, the 5th described transition frame girder and the second main transformer inlet wire frame girder are parallel to each other, and respectively with first
Outlet structure beam, the second outlet structure beam are mutually perpendicular to.
Preferably, the first described end dagger and/or the second end dagger are trishores posts, and its shape of cross section is triangle
Shape.
Preferably, described First Transition truss column and/or outlet structure post and/or the second transition truss column and/or the 4th
Transition truss column and/or the first main transformer inlet wire truss column and/or the second main transformer inlet wire truss column are herringbone double supports
Post.
Preferably, also including lightning-arrest terminal and discharging rod, described lightning-arrest terminal one end is connected fixing with the first end dagger,
The other end is connected fixing with discharging rod.
Compared with prior art, the invention has the beneficial effects as follows: by integrated form framework by going out in 500kV transformer station
Line framework, transition intermediate frame and main transformer inlet wire framework are united formation the most two-way rigid frame association structure, make
Obtain cable therein and can carry out built on stilts operation according to the requirement of seat belt electrical distance, conveniently realize from 220kV blood pressure lowering
Run transition is properly functioning to 500kV, not only compact conformation, soil valuable in effectively having saved 500kV transformer station
Ground resource, and the earthwork construction construction of cable tunnel can be greatly decreased, and decrease 500kV transformer station
Interior cable usage amount, dramatically saves on the overall investment cost of 500kV transformer station.
Accompanying drawing explanation
Fig. 1 is a kind of for the outlet of 500kV transformer station, inlet wire, the structural map (500kV of integrated form framework of transition
During operation).
Fig. 2 is a kind of for the outlet of 500kV transformer station, inlet wire, the structural map (220kV of integrated form framework of transition
During operation).
Fig. 3 is the partial enlarged drawing in Fig. 1 at A.
Fig. 4 is the partial enlarged drawing in Fig. 1 at B.
Fig. 5 is the top view of the first main transformer inlet wire frame girder in Fig. 1.
Fig. 6 is the side view of the first main transformer inlet wire frame girder in Fig. 1.
Fig. 7 is the partial enlarged drawing in Fig. 5 at C.
Fig. 8 is C1-C1 direction view in Fig. 7.
Fig. 9 is C2-C2 direction view in Fig. 7.
Figure 10 is D-D direction view in Fig. 5.
Figure 11 is the front view of outlet structure post in Fig. 1.
Figure 12 is the partial enlarged drawing in Figure 11 at F.
Figure 13 is G-G direction view in Figure 12.
Figure 14 is H-H direction view in Figure 13.
Figure 15 is J-J direction view in Figure 11.
Figure 16 is K-K direction view in Figure 15.
Figure 17 is the partial enlarged drawing in Figure 11 at N.
Figure 18 is the mounting structure figure of outlet structure post in Figure 11.
Labelling in figure: 1-main transformer inlet wire, 2-the first end dagger, 3-takes shelter from the thunder terminal, and 4-discharging rod, 5-the first main transformer enters
Line frame girder, 6-the first outlet structure beam, 7-the second end dagger, 8-First Transition frame girder, 9-First Transition framework
Post, 10-the second transition frame girder, 11-the second outlet structure beam, 12-outlet structure post, 13-the 3rd transition frame girder,
14-outlet, 15-the second transition truss column, 16-the 4th transition truss column, 17-the first main transformer inlet wire truss column, 18-
5th transition frame girder, 19-the second main transformer inlet wire frame girder, 20-the second main transformer inlet wire truss column, the built on stilts electricity of 21-first
Cable, 22-the second aerial cable, 23-the 3rd aerial cable, 24-reinforced mesh, 25-concrete protective boots, 26-draining
Pipe, 27-cobble heap capsule, 501-installing plate, 502-the first girder, 503-the first adpting flange, 504-the first support member,
505-the second support member, 506-the first gusset piece, 507-the 3rd support member, 508-the second girder, 509-the 3rd girder,
510-shrouding, 511-rests the head on plate, 512-the first link, 513-the second link, the main connector of 120-framework, 121-framework
Socle, 122-the second adpting flange, 123-framework transition piece, 124-supporting, 125-connection end, 126-
Reinforcing plate, 127-connects end plate, and 128-embraces muscle, 1201-end bracket, 1202-the second reinforcement, 1203-support member,
1204-Cross stay, 1205-the second gusset piece, 1206-irrigates through hole.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and be embodied as
The present invention is described in detail for example.Should be appreciated that specific embodiment described herein only in order to explain the present invention,
It is not intended to limit the present invention.
As shown in Figure 1 and Figure 2 a kind of for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, main
Including first end dagger the 2, first main transformer inlet wire frame girder the 5, first outlet structure beam the 6, second end dagger 7,
One transition frame girder 8, First Transition truss column the 9, second transition frame girder the 10, second outlet structure beam 11, outlet
Truss column the 12, the 3rd transition frame girder the 13, second transition truss column the 15, the 4th transition truss column the 16, first main transformer
Inlet wire truss column the 17, the 5th transition frame girder 18 and the second main transformer inlet wire frame girder 19 and the second main transformer inlet wire framework
Post 20.First main transformer inlet wire frame girder the 5, first outlet structure beam 6 and the second main transformer inlet wire frame girder 19 therein
One end be all connected fixing with the second main transformer inlet wire truss column 20, first outlet structure beam 6 other end, the second outlet structure
11 one end of setting a roof beam in place all are connected fixing with the 4th transition truss column 16, first main transformer inlet wire frame girder 5 other end and first
End dagger 2 connects fixing, and second main transformer inlet wire frame girder 19 other end and the first main transformer inlet wire truss column 17 connect solid
Fixed, second outlet structure beam 11 other end is connected fixing with outlet structure post 12, and the second transition frame girder 10 two ends are divided
Be not connected fixing with outlet structure post 12, First Transition truss column 9, First Transition frame girder 8 is positioned at the second transition structure
Set a roof beam in place below 10, and its two ends are connected with the second end dagger 7, First Transition truss column 9 fixing respectively, the 3rd transition
Frame girder 13 is positioned at below the second main transformer inlet wire frame girder 19, and its two ends respectively with the second transition truss column 15,
Four transition truss columns 16 connect fixing, and described 5th transition frame girder 18 is positioned at below the second main transformer inlet wire frame girder 19,
And its two ends are connected fixing respectively with second main transformer inlet wire truss column the 20, first main transformer inlet wire truss column 17.
The integrated form framework using said structure is by the outlet structure in 500kV transformer station, transition intermediate frame and master
Become inlet wire framework and be united the most two-way rigid frame association structure formed, guaranteeing that integrated form framework has foot
On the premise of enough anti-side rigidity, opposing wind load and geological processes, compact conformation, it is possible not only to be effectively saved
The floor space of framework in 500kV transformer station, thus compressor station district enclosure wall inner area, saved land resource, and
The usage amount of cable can also be saved, thus advantageously reduce the overall investment cost of 500kV transformer station.
Angle between above-mentioned the first main transformer inlet wire frame girder 5 and the second main transformer inlet wire frame girder 19 is 180 degree,
And the angle that first between main transformer inlet wire frame girder 5 and the first outlet structure beam 6 is 90 degree, the first outlet structure beam 6
And the angle between the second main transformer inlet wire frame girder 19 is 90 degree, meanwhile, First Transition frame girder 8 is arranged on
Between one main transformer inlet wire frame girder the 5, second transition frame girder 10, and respectively with the first main transformer inlet wire frame girder 5,
Two transition frame girders 10 are mutually perpendicular to, described second transition frame girder 10 respectively with the first outlet structure beam 6, second
Outlet structure beam 11 is mutually perpendicular to；3rd transition frame girder 13 is arranged on second transition frame girder the 10, second main transformer
Between inlet wire frame girder 19, and it is mutually perpendicular to first outlet structure beam the 6, second outlet structure beam 11 respectively；Institute
The angle stated between the first outlet structure beam 6 and the second outlet structure beam 11 is 180 degree；Described second main transformer inlet wire structure
Set a roof beam in place and 19 be parallel to each other with the 5th transition frame girder 18, described 5th transition frame girder 18 respectively with the first outlet structure
Beam the 6, second outlet structure beam 11 is mutually perpendicular to.Use such structure so that the overall structure of integrated form framework
Compacter, reduce the cable usage amount in 500kV transformer station further, and in required station, land area is minimum,
Dramatically saves on the overall investment cost of 500kV transformer station.
For 500kV transformer station, two main transformers are generally set, utilize this integrated form framework can meet 500kV
The current period 220kV brownout operation of two main transformers of transformer station and be finally transitioned into the properly functioning of 500kV grade, concrete and
Speech:
When 500kV transformer station carries out current period 220kV brownout operation, the aerial line on this integrated form framework such as Fig. 2 institute
Showing, wherein 3 main transformer inlet wires 1 of a main transformer are connected with the first main transformer inlet wire frame girder 5, the 3 of another main transformer
Article main transformer inlet wire 1 is connected with the 5th transition frame girder 18, and 6 outlets 14 are corresponding with main transformer inlet wire 1 respectively, also divide
Being two groups, often group 3,3 outlets 14 of one of which are connected with the first outlet structure beam 6, the 3 of another group
Bar outlet 14 is then connected with the second outlet structure beam 11.At the first main transformer inlet wire frame girder 5 and the second transition frame girder
The first aerial cable 21 is bridged, bridging the between First Transition frame girder 8 and the second outlet structure beam 11 between 10
Two aerial cables 22, bridge the 3rd aerial cable 23 between the 5th transition frame girder 18 and the 3rd transition frame girder 13,
It is connected by lower wire jumper between described second transition frame girder 10 and First Transition frame girder 8, described 3rd transition framework
It is connected by upper wire jumper between beam 13 with the first outlet structure beam 6, such that it is able to realize current period 220kV power transmission.
When 500kV transformer station is transitioned into 500kV grade properly functioning from current period 220kV brownout operation, this is the most integrated
Aerial line on formula framework is as it is shown in figure 1, wherein 3 main transformer inlet wires 1 of a main transformer and the first main transformer inlet wire framework
Beam 5 connects, and 3 main transformer inlet wires 1 of another main transformer are connected with the second main transformer inlet wire frame girder 19,6 outlets 14
Corresponding with main transformer inlet wire 1 respectively, it is also classified into two groups, often group 3,3 outlets 14 of one of which and the first outlet
Frame girder 6 connects, and 3 outlets 14 of another group are then connected with the second outlet structure beam 11, can realize 500kV at a specified future date
Power transmission.Compared with during current period 220kV brownout operation, owing to eliminating the first built on stilts electricity of aerial cable 21, second
Cable 22 and the 3rd aerial cable 23, therefore, it can First Transition framework according to electrical configurations needs in transformer station
Beam the 8, second transition frame girder the 10, the 3rd transition frame girder 13 and the 5th transition frame girder 18 are dismantled, it is also possible to no
Dismantle.After using this integrated form framework, can realize easily being just transitioned into 500kV from 220kV brownout operation
Often running, cable therein carries out built on stilts construction according to the requirement of seat belt electrical distance, therefore, there is no need to carry out too much
The earthwork construction construction of cable tunnel, make quantities be greatly reduced, be conducive to saving in 500kV transformer station
Valuable land resource, and significantly reduce the construction cost of 500kV transformer station.
In order to ensure the safe and reliable operation of 500kV transformer station, the first end dagger 2 in this integrated form framework,
Two end daggers 7 can use trishores post, and its shape of cross section is triangle, to improve the firm of integrated form framework
Property.First Transition truss column 9 therein, outlet structure post the 12, second transition truss column the 15, the 4th transition truss column
16, first main transformer inlet wire truss column the 17, second main transformer inlet wire truss column 20 uses herringbone double support post, to subtract
The building materials consumption of few integrated form framework and floor space, save its construction cost.It addition, the first end dagger 2,
First Transition truss column 9, the top of outlet structure post the 12, first main transformer inlet wire truss column 17 are also connected with being fixed with lightning-arrest
Terminal 3, described lightning-arrest terminal 3 top is connected fixing with discharging rod 4, to prevent the thunder and lightning destructiveness to electric utility
Impact, it is ensured that the operation of 500kV transformer station is safe and reliable.
For build High aititude, high earthquake intensity area 500kV transformer station for, the construction of integrated form framework is difficult
Degree is significantly increased, and construction cost is more increased, and, the wind-force of high altitude localities generally ratio is more aggressive, and it is to integrated form
The security threat of framework is bigger, it addition, the safe operation of integrated form framework also can be brought destructive shadow by seismic force effects
Ring.Therefore, in order to better ensure that the safe and reliable fortune of the 500kV transformer station in High aititude, high earthquake intensity area
OK, it is necessary to assure integrated form framework therein has enough anti-side rigidity, opposing wind load and a geological process, structure
Set a roof beam in place, truss column is made as the most important components of integrated form framework, its anti-side rigidity, opposing wind load and earthquake
Performance most important for the safety of integrated form framework.
Illustrating as a example by the first main transformer inlet wire frame girder 5 below, as shown in Figure 5, Figure 6, described first is main
Change inlet wire frame girder 5 is combination type lattice girder, mainly includes first girder the 502, second girder the 508, the 3rd girder
509 and first gusset piece 506 and the 3rd support member 507, described first girder the 502, second girder 508,
Three girders 509 are round steel pipe, both can guarantee that bending strength, can alleviate again the total of the first main transformer inlet wire frame girder 5
Weight, in order to install operation；If described first girder the 502, second girder the 508, the 3rd girder 509 includes respectively
Dry section, between two section of first adjacent girder 502, between adjacent two section of second girder 508, adjacent two sections the
Connected fixing between three girders 509 respectively by the first adpting flange 503.Due to first girder the 502, second girder
508, the 3rd girder 509 surface typically requires and carries out zinc-plated process, to improve its corrosion resistance, uses this segmentation
Formula structure is not only convenient for first girder the 502, second girder the 508, the 3rd girder 509 is carried out zinc-plated process, Er Qie
Transportation is also unlikely gross distortion occurs because of long, it is ensured that the splicing of the first main transformer inlet wire frame girder 5
Operation is implemented smoothly.First girder the 502, second girder the 508, the 3rd girder 509 is respectively welded and fixes first
Fishplate bar 506, between the first girder 502 and the second girder 508, between the second girder 508 and the 3rd girder 509,
It is connected solid between first girder 502 and the 3rd girder 509 respectively with the first gusset piece 506 by the 3rd support member 507
Fixed, for easy accessibility, high intensity spiral shell respectively and is passed through in described 3rd support member 507 two ends between the first gusset piece 506
Tethering and connect fixing, and to be collectively constituted cross section by first girder the 502, second girder 508 and the 3rd girder 509 be acute angle
The frame girder of triangle, the triangular hollow intracavity at frame girder is provided with aisle, to facilitate installation, maintenance personnel to enter
Row operation.This cross section is that the frame girder of acute triangle has the strongest stability, it is possible to increase substantially first main
Become the anti-side rigidity of inlet wire frame girder 5, opposing wind load and geological process performance.Main at the first girder 502, second
It is respectively welded on beam 508 and fixes several the first links 512 for cable hanging wire, at the first girder 502 and second
Connect on the 3rd support member 507 between girder 508 and have several the second links 513 for cable hanging wire, such as figure
Shown in 10, to facilitate the first main transformer inlet wire frame girder 5 to install the cable hanging wire operation after fixing.
In order to improve the anti-side rigidity of the first main transformer inlet wire frame girder 5, opposing wind load and geological process performance further,
As shown in Figure 5, Figure 6, between described the first girder 502 and the second girder 508, the second girder 508 and
Increase respectively between three girders 509, between the first girder 502 and the 3rd girder 509 and be connected several the first support members
504 and second support member 505, on the same side of the first main transformer inlet wire frame girder 5, several first support members
504 are parallel to each other, and high-strength bolt respectively and is passed through between the first gusset piece 506 in the two ends of the first support member 504
Connect, similarly, be positioned at several the second support member 505 also phases on the first main transformer inlet wire frame girder 5 same side
It is arranged in parallel mutually, and the two ends of the second support member 505 respectively and are connected by high-strength bolt between the first gusset piece 506
Connect.As shown in Figure 6, on the same side being made up of the second girder 508 and the 3rd girder 509, described first
Angle between support member 504 and the second girder 508 is acute angle, preferably by 49 degree；Described second support member
505 and second angles between girder 508 are acute angle, preferably by 48 degree.Such structure can be designed so that
Between the first support member 504 and the second support member 505 on the first main transformer inlet wire frame girder 5 same side substantially
On be mutually perpendicular to, thus the anti-side rigidity of the beneficially first main transformer inlet wire frame girder 5, opposing wind load and geological process
The lifting of performance.
Owing to the setting height(from bottom) of the first main transformer inlet wire frame girder 5 in integrated form framework is higher, welding manner should not be used
Carry out operation is installed.In order to reduce the installation difficulty of the first main transformer inlet wire frame girder 5, the first support member therein as far as possible
504, the second support member 505 and the 3rd support member 507 can select angle steel, carry out bolt connection to facilitate；First
Main transformer inlet wire frame girder 5 two ends can be welded and fixed installing plate 501 in advance, offers bolt hole on installing plate 501,
Fixed by high strength exploitation, such as Fig. 3, Fig. 7 between first main transformer inlet wire frame girder 5 and the first end dagger 2
Shown in.For guarantee first main transformer inlet wire frame girder 5 install after stability, it is also possible at the first main transformer inlet wire frame girder
5 ends are welded and fixed pillow plate 511, and described pillow plate 511 is also welded and fixed with installing plate 501 simultaneously, at pillow plate 511
On offer the arcuate groove matched with the first girder 502 or the second girder 508 external diameter, as shown in Fig. 3, Fig. 9,
To increase the contact area between the first main transformer inlet wire frame girder 5 and pillow plate 511, improve the reliability of welding.In order to
Prevent rainwater etc. from entering the first main transformer inlet wire frame girder 5 inner chamber and it is caused corrosion, as shown in Fig. 3, Fig. 8,
First girder the 502, second girder the 508, the 3rd girder 509 opening sealing fixes shrouding 510.
For the first outlet structure beam 6, First Transition frame girder the 8, second transition frame girder the 10, second outlet structure
Beam the 11, the 3rd transition frame girder the 13, the 4th transition truss column 16 and the 5th transition frame girder 18 and the second main transformer enter
Line frame girder 19, the structure being all referred to the first above-mentioned main transformer inlet wire frame girder 5 is implemented, and repeats the most one by one at this.
Illustrate as a example by outlet structure post 12 below, as shown in Figure 11, Figure 12, Figure 13, described outlet structure
Trestle 12 is combination type truss column, mainly includes the main connector of framework 120 and framework socle 121, the main company of described framework
Fitting 120 is herringbone structure, two support members 1203 be respectively welded and be fixed on the relative of the second gusset piece 1205
Both sides, are welded and fixed end bracket 1201, described end bracket 1201 offer several bolts on support member 1203 top
Hole；The second reinforcement 1202, described second reinforcement 1202 it is welded and fixed between end bracket 1201 and support member 1203
Preferably by right-angled trapezium steel plate, as shown in figure 14.In order to ensure that the main connector of framework 120 is transporting, installing
Journey is unlikely generation gross distortion, between two support members 1203, Cross stay can be welded and fixed with inserting mode
1204, as shown in figure 12.Described framework socle 121 arranges two, respectively with two support members 1203 by second
Adpting flange 122 connects fixing, can arrange several framework mistakes being parallel to each other between two framework socles 121
Cross connector 123, can ensure that the angle between two framework socles 121 keeps by framework transition piece 123
Necessarily, so that it is guaranteed that outlet structure post 12 entirety does not occur gross distortion.Described framework socle 121, framework transition
Connector 123, support member 1203 and Cross stay 1204 all can select round steel pipe, both can guarantee that its bending strength,
The gross weight of outlet structure post 12 can be alleviated again, it is simple to operation is installed.
Outlet structure post 12 is connected with each other with other frame girders for convenience, and above-mentioned framework transition piece 123 also may be used
To use structure as shown in figure 15, mainly include connection end 125 and connect end plate 127, described connection end 125
Use round steel pipe, and be welded and fixed with inserting mode with framework socle 121, described connection end plate 127 respectively with structure
Frame socle 121, connection end 125 are welded and fixed, and offer several bolts hole connecting on end plate 127.Such as Fig. 4
Shown in, described outlet structure post 12 can be by the connection end plate 127 on framework transition piece 123 easily with the
Fixed by high strength exploitation between two outlet structure beams 11.In order to improve the load-bearing of framework transition piece 123
Ability, as shown in Figure 15, Figure 16, is welded and fixed reinforcing plate 126 at connection end 125 with being connected between end plate 127,
Reinforcing plate 126 is offered the arcuate groove matched with connection end 125 external diameter, as shown in figure 16, to increase connection
Contact area between termination 125 and reinforcing plate 126, improves the reliability of welding.
For building at High aititude, the integrated form framework in high earthquake intensity area, it is necessary to reduce outlet structure therein as far as possible
The installation difficulty of trestle 12, to this end, segmentation structure, adjacent two can be designed to by above-mentioned framework socle 121
Connected fixing between section framework socle 121 by the second adpting flange 122, each section of framework socle 121 wherein
On be welded and fixed the connection end 125 of flanged dish with inserting mode.Due to framework socle 121 surface typically require into
The zinc-plated process of row, to improve its corrosion resistance, uses this segmentation structure to be not only convenient for framework socle 121 and enters
The zinc-plated process of row, and be also unlikely in transportation and gross distortion occurs because of long, it is ensured that outlet structure
The splicing operation of post 12 is implemented smoothly.Owing to the height of outlet structure post 12 is higher, closer to horizontal mounting surface, its
In two framework socles 121 between spacing the biggest, for ensure outlet structure post 12 install after stability, reliable
Property, two framework socles 121 angle respectively and between horizontal mounting surface should not be the least, through calculating, and each structure
The tangent value of the angle between frame socle 121 and horizontal mounting surface is preferably 7-12, as shown in figure 11.When relative
When spacing between two framework socles 121 is excessive, connection end 125 thereon can not be direct by high-strength bolt
Connect, at this point it is possible to holding by the flanged dish of high strength exploitation between two relative connection ends 125
Fitting 124, as shown in figure 11.
First Transition truss column the 9, second transition truss column the 15, the 4th transition truss column 16 and the first main transformer are entered
Line truss column 17 and the second main transformer inlet wire truss column 20, be all referred to the structure enforcement of above-mentioned outlet structure post 12,
Repeat the most one by one at this.
Owing to outlet structure post 12 is important stress supporting part, the steadiness after it is installed is whole to outlet structure post 12
The anti-side rigidity of body, opposing wind load and geological process performance impact are very big.To this end, can be according to as shown in figure 18
Structure carries out installation exercise to outlet structure post 12.Specifically:
First, the overall splicing operation of outlet structure post 12 is completed on the ground.As shown in figure 11, by framework socle
121 connectors 120 main with framework are fixed, by opposite sides by the second adpting flange 122 and high strength exploitation
Connection end 125 on framework socle 121 was fixed by supporting 124 corresponding connection.When outlet structure post 12 is overall
After splicing operation completes, it is possible to utilize crane that outlet structure post 12 is carried out lifting operation.
Then, by crane outlet structure post 12 sling and be transferred to the installation site specified, utilizing C30 microlith
Concrete pours operation to framework socle 121 root of outlet structure post 12 end, at framework socle 121 root
Form concrete protective boots 25, by concrete protective boots 25 as the installation foundation of outlet structure post 12, Ke Yizeng
The installation steadiness of strong framework socle 121, and prevent outlet structure post 12 from after installing, deformation of sinking occurring.
In order to prevent concrete protective boots 25 from rupturing, framework socle 121 root is being carried out concreting operation
Time, can in concrete protective boots 25 preset reinforced mesh 24, as shown in figure 18, due to reinforced mesh 24 with
Concrete protective boots 25 pour and are integrated, and the cracking resistance of concrete protective boots 25 can be greatly improved.In view of structure
Frame socle 121 uses round steel pipe, as shown in figure 18, offers and framework socle 121 at framework socle 121 root
The perfusion through hole 1206 that inner chamber communicates, communicates with framework socle 121 inner chamber in the connection of framework socle 121 root simultaneously
PVC drain pipe 26, the port of export at drain pipe 26 arranges cobble heap capsule 27.Can be to structure by perfusion through hole 1206
Frame socle 121 root inner chamber irrigates C30 concrete, until perfusion through hole 1206 is completely enclosed, to improve framework
The installation rigidity of socle 121 root.Owing to framework socle 121 inner chamber may infilter some rainwater, pass through drain pipe
26 can discharge the rainwater in framework socle 121 inner chamber in time, it is to avoid because of rainwater corrosion framework socle 121 to outlet
Truss column 12 causes potential safety hazard, cobble heap capsule 27 therein to be possible to prevent the port of export of drain pipe 26 to block.
In order to improve the drawknot intensity between concrete protective boots 25 and framework socle 121, can be in the peace of framework socle 121
Dress portion is welded and fixed some the annulars being parallel to each other and embraces muscle 128, as shown in Figure 17, Figure 18, by embracing muscle 128
It is possible not only to the frictional force between Concrete Structure protection boots 25 and framework socle 121, improves the anti-of framework socle 121
Pull out intensity, it is also possible to strengthen mechanical stiffness and the cracking resistance of framework socle 121 installation portion, thus improve further
The anti-side rigidity of line truss column 12 entirety, opposing wind load and geological process performance.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, it is noted that
All any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included in this
Within bright protection domain.
Claims (10)
1. for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, it is characterised in that: include the first end
Dagger (2), the first main transformer inlet wire frame girder (5), the first outlet structure beam (6), the second end dagger (7), first
Transition frame girder (8), First Transition truss column (9), the second transition frame girder (10), the second outlet structure beam (11),
Outlet structure post (12), the 3rd transition frame girder (13), the second transition truss column (15), the 4th transition truss column (16),
First main transformer inlet wire truss column (17), the 5th transition frame girder (18) and the second main transformer inlet wire frame girder (19) and
Second main transformer inlet wire truss column (20), described first main transformer inlet wire frame girder (5), the first outlet structure beam (6) and
One end of second main transformer inlet wire frame girder (19) is all connected fixing with the second main transformer inlet wire truss column (20), and described the
One outlet structure beam (6) other end, second outlet structure beam (11) one end are all with the 4th transition truss column (16) even
Connecing fixing, first main transformer inlet wire frame girder (5) other end and the first end dagger (2) connect fixing, and the second main transformer enters
Line frame girder (19) other end and the first main transformer inlet wire truss column (17) connect fixing, the second outlet structure beam (11)
The other end is connected fixing with outlet structure post (12), described second transition frame girder (10) two ends respectively with outlet structure
Trestle (12), First Transition truss column (9) connect fixing, and described First Transition frame girder (8) is positioned at the second transition
Below frame girder (10), and its two ends are connected fixing respectively with the second end dagger (7), First Transition truss column (9),
Described 3rd transition frame girder (13) is positioned at the second main transformer inlet wire frame girder (19) lower section, and its two ends are respectively with the
Two transition truss columns (15), the 4th transition truss column (16) connect fixing, described 5th transition frame girder (18) position
In second main transformer inlet wire frame girder (19) lower section, and its two ends respectively with the second main transformer inlet wire truss column (20), first
Main transformer inlet wire truss column (17) connects fixing.
The most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, its
It is characterised by: the angle between the first described main transformer inlet wire frame girder (5) and the first outlet structure beam (6) is 90
Degree.
3. according to described in claims 1 or 2 for the outlet of 500kV transformer station, inlet wire, the integrated form structure of transition
Frame, it is characterised in that: the folder between the first described outlet structure beam (6) and the second main transformer inlet wire frame girder (19)
Angle is 90 degree.
The most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, its
It is characterised by: described First Transition frame girder (8) is arranged on the first main transformer inlet wire frame girder (5), the second transition structure
Set a roof beam in place between (10), and the most vertical with the first main transformer inlet wire frame girder (5), the second transition frame girder (10) respectively
Directly.
5. according to described in claim 1 or 4 for the outlet of 500kV transformer station, inlet wire, the integrated form structure of transition
Frame, it is characterised in that: the second described transition frame girder (10) respectively with the first outlet structure beam (6), second go out
Line frame girder (11) is mutually perpendicular to.
The most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, its
It is characterised by: the 3rd described transition frame girder (13) is arranged on the second transition frame girder (10), the second main transformer inlet wire
Between frame girder (19), and it is mutually perpendicular to the first outlet structure beam (6), the second outlet structure beam (11) respectively.
The most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, its
It is characterised by: the 5th described transition frame girder (18) is parallel to each other with the second main transformer inlet wire frame girder (19), and
It is mutually perpendicular to the first outlet structure beam (6), the second outlet structure beam (11) respectively.
The most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, its
It is characterised by: the first described end dagger (2) and/or the second end dagger (7) are trishores posts, its cross section shape
Shape is triangle.
The most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition, its
It is characterised by: described First Transition truss column (9) and/or outlet structure post (12) and/or the second transition truss column
And/or the 4th transition truss column (16) and/or the first main transformer inlet wire truss column (17) and/or the second main transformer enter (15)
Line truss column (20) is herringbone double support post.
It is the most according to claim 1 for the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition,
It is characterized in that: also include lightning-arrest terminal (3) and discharging rod (4), described lightning-arrest terminal (3) one end and the first end
Dagger (2) connects fixing, and the other end is connected fixing with discharging rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853593.6A CN104533115B (en) | 2014-12-31 | 2014-12-31 | For the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853593.6A CN104533115B (en) | 2014-12-31 | 2014-12-31 | For the outlet of 500kV transformer station, inlet wire, the integrated form framework of transition |
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| CN104533115A CN104533115A (en) | 2015-04-22 |
| CN104533115B true CN104533115B (en) | 2016-08-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868391A (en) * | 2015-04-28 | 2015-08-26 | 中国农业大学 | Outdoor transformer substation |
| CN107863743A (en) * | 2017-11-03 | 2018-03-30 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of 50Hz traps surge arrester support structure |
| CN110905265A (en) * | 2019-12-10 | 2020-03-24 | 国网新疆电力有限公司建设分公司 | A 220kV frame structure suitable for larger slope sites |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2798011B1 (en) * | 1999-08-25 | 2004-04-16 | Alstom | DOUBLE SET OF BARS AND CUTTING AND SWITCHING APPARATUS FOR USE IN THIS POST |
| CN201826561U (en) * | 2010-09-25 | 2011-05-11 | 河南省电力勘测设计院 | 500 kV transformer station framework |
| CN201810003U (en) * | 2010-10-18 | 2011-04-27 | 河南省电力勘测设计院 | Transformer substation 500kV framework |
| CN204402097U (en) * | 2014-12-31 | 2015-06-17 | 中国电力工程顾问集团西南电力设计院有限公司 | For the integrated form framework of the outlet of 500kV transformer station, inlet wire, transition |
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