CN207048397U - 110kV transformer stations single tube outlet structure - Google Patents
110kV transformer stations single tube outlet structure Download PDFInfo
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- CN207048397U CN207048397U CN201720715780.7U CN201720715780U CN207048397U CN 207048397 U CN207048397 U CN 207048397U CN 201720715780 U CN201720715780 U CN 201720715780U CN 207048397 U CN207048397 U CN 207048397U
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- column
- single tube
- truss
- plate
- outlet structure
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Abstract
The utility model discloses a kind of 110kV transformer stations single tube outlet structure, including several truss columns, the frame girder being arranged on adjacent two truss column and the exposed aerial foundation bolt being connected for truss column with basis, several truss columns are arranged in a linear, framework top end is provided with ground terminal, single tube lightning rod can be set on ground terminal according to lightning protection requirement, railing is provided with frame girder, wherein：Truss column uses single tube structure with frame girder, and exposed aerial foundation bolt uses the aerial connection of adjusting nut, truss column column root-plate is not contacted directly with basic top surface.The utility model uses single tube structure, simple in construction, cost is low and single tube structure occupies little space, and transports and stacks easily, and building-site is easy for installation, quick, is easy to the installation of 110kV frameworks, improves construction quality and efficiency.
Description
Technical field
It the utility model is related to 110kV transformer stations single tube outlet structure.
Background technology
Outlet structure is the important structures in conventional 110kV transformer substation power distribution units place, and the wire for transmitting electric current exists
It is attached in transformer station after the transmission of various electrical equipments eventually through outlet structure and the electric power pylon outside transformer station.
110kV outlet structures are highly generally 10.0m, span 8.0m, are adjusted across several according to concrete engineering.Between truss column
Connected using crossbeam, the wire of line or the wire of inlet wire are hung up on crossbeam.Outlet structure column top is provided with ground terminal, ground wire
Pillar height degree is generally 2.50m.Local outlet structure capital there also is provided framework lightning rod, and terminal height will according to electric specialty
Ask determination, generally 25~30.0m.
Existing outlet structure is using A type truss columns as load-carrying members.Framework longitudinal direction (the outer direction of plane) uses lattice
Formula triangle crossbeam contacts and undertakes conductor load.Column cap rigid connection, beam, post use bolted splice.Method is used between each section of A type column
Orchid connects, and is connected by screw bolts between girder steel main material.Truss column is connected with basis using back-grouting form after rim of a cup insertion.
Following defect be present in existing outlet structure：
1) A type column component is more, and rolled steel dosage is more, and because A type column will consider the position that root opens, floor space is larger；
2) A types framework connecting node is more, construction and installation inconvenience, engineering time length, is needed when on-site hoisting connects first by A types
Post all installs ability integral hoisting, it is necessary to which heavier hanging device is carried out；
3) because the 2nd reason, therefore A types framework often transports to power transformation again after factory first installs related post above
Stand on-site hoisting, space-consuming is big, transport and stacks inconvenience.
4) truss column is connected with basis using back-grouting form after rim of a cup insertion.The coagulation that is in the milk is needed to wait for after back-grouting
Native strength grade reaches design requirement, adds construction period and framework formwork maintenance time.
5) its basic ground above suspension column of plug-in type rim of a cup need to make protective cap protection, will according to the construction of Southern Power Grid Company
Ask, protective cap external corner need to do chamfered, also need to use Construction technology of fair-faced concrete.Construction process requirement is high, and formwork is general
Punching block need to be used, formwork is costly, and the column section of different size also needs to use various sizes of punching block, the special punching block of processing
It can be only applied in corresponding engineering, poor universality, virtually add corresponding construction cost again.
Utility model content
The utility model is in order to solve the defects of prior art is present, there is provided a kind of 110kV transformer stations single tube outlet structure,
This 110kV transformer stations single tube outlet structure uses single tube structure, simple in construction, cost is low and single tube structure occupies little space, fortune
Defeated and stacking is easy, and building-site is easy for installation, quick, is easy to the installation of 110kV frameworks, improves construction quality and efficiency.
The utility model is achieved through the following technical solutions：A kind of 110kV transformer stations single tube outlet structure, including several
Truss column, the frame girder being arranged on adjacent two truss column and the exposed aerial foundation bolt being connected for truss column with basis,
Several truss columns are arranged in a linear, and framework top end is provided with ground terminal, can be set according to lightning protection requirement on ground terminal
Single tube lightning rod, railing is provided with frame girder, wherein：Truss column and frame girder use single tube structure, it is exposed aerially
Foot bolt uses the aerial connection of adjusting nut, truss column column root-plate is not contacted directly with basic top surface.
Further, the truss column single tube structure is made up of regular polygon, wall scroll straight weld taper variable-section steel pipe.
Further, the frame girder single tube structure is made up of regular polygon, the isometrical steel pipe of wall scroll straight weld.
Further, the isometrical steel tubular beam is provided with beam-to-column joint plate, beam side thread gripping-board, guardrail connection channel-section steel, puts more energy into
Plate, beam bottom thread gripping-board, zinc-plated hole plugging plate, beam-to-column joint plate connect located at the both ends of isometrical steel tubular beam, stiffener one end and beam column
Fishplate bar connects, and the other end and isometrical fastener for connection, beam-to-column joint plate are provided with the zinc-plated hole of bar shaped, and the zinc-plated hole of bar shaped passes through plugging plate
Closure, beam side thread gripping-board, on isometrical steel pipe, guardrail connection channel-section steel is used to connect institute for guardrail connection channel-section steel and beam bottom thread gripping-board
Guardrail and frame girder are stated, beam side thread gripping-board and beam bottom thread gripping-board are used for 110kV outlets.
Further, the frame girder is octagon steel pipe.
Further, the lightning rod uses single tube variable section structure.
Further, the framework column bottom is provided with truss column column root-plate, truss column column root-plate along the circumferential direction between
Every being provided with several ribbed stiffeners, one end of ribbed stiffener is connected with truss column column root-plate, and the other end is connected with truss column, adjacent
Truss column column root-plate between two ribbed stiffeners is equipped with screw, and the exposed aerial foundation bolt passes through base surface and framework
Post column root-plate uses the aerial connection of adjusting nut, truss column column root-plate is not contacted directly with basic top surface.
Further, the bottom of the exposed aerial foundation bolt is provided with fastening plates, the exposed aerial foundation bolt
Top is provided with dismountable locating template.
Further, the locating template is provided with V-type mouth.
The utility model beneficial effect：110kV transformer stations single tube outlet structure, including several truss columns, it is arranged at phase
Frame girder on adjacent two truss columns and exposed aerial foundation bolt be connected for truss column with basis, several truss columns are in directly
Line is arranged, and framework top end is provided with ground terminal, and single tube lightning rod, frame girder can be set on ground terminal according to lightning protection requirement
On be provided with railing, wherein：Truss column uses single tube structure with frame girder, and exposed aerial foundation bolt uses adjusting nut
Aerial connection, truss column column root-plate is not contacted directly with basic top surface.The utility model uses single tube structure, structure letter
List, cost is low and single tube structure occupies little space, and transports and stacks easily, building-site is easy for installation, quick, is easy to 110kV
The installation of framework, improve construction quality and efficiency.
Brief description of the drawings
Fig. 1 is the utility model 110kV transformer stations single tube outlet structure structure chart；
Fig. 2 is Fig. 1 I portions partial enlarged drawing；
Fig. 3 is the frame girder structure chart of the utility model 110kV transformer stations single tube outlet structure；
Fig. 4 is Fig. 3 upward views；
Fig. 5 is Fig. 3 B-B sectional views；
Fig. 6 is Fig. 3 C-C sectional views；
Fig. 7 is Fig. 3 D-D sectional views；
Fig. 8 is the structure chart that the zinc-plated hole of Fig. 7 bar shapeds is provided with plugging plate；
Fig. 9 is to connect inside the exposed anchor bolt type foundation bolt base of the utility model 110kV transformer stations single tube outlet structure
Binding composition；
Figure 10 is to connect outside the exposed anchor bolt type foundation bolt base of the utility model 110kV transformer stations single tube outlet structure
Binding composition；
Figure 11 is the exposed anchor bolt type foundation bolt structure figure of the utility model 110kV transformer stations single tube outlet structure；
Figure 12 is the locating template structure chart of the utility model 110kV transformer stations single tube outlet structure.
Wherein：1- truss columns, 2- frame girders, 21- steel tubular beams, 22- beam-to-column joint plates, 23- beams side thread gripping-board, 24- guardrails
Connect channel-section steel, 25- stiffeners, 26- beams bottom thread gripping-board, the zinc-plated hole plugging plates of 27-, 3- ground terminal, 4- railings, 5- lightning rods, 6-
Exposed anchor bolt type foundation bolt and foundation connection structure, 61-C15 mixed mud bed courses, 62- corners reinforcing bar, 63- steel reinforcement cages, 64-
Fastening plates, 65- locating templates, 66- foundation bolts, 67-C25 mixed muds basis, 68- truss column column root-plates, 69- ribbed stiffeners,
610- ground terminals, 611-V type mouths.
Embodiment
As shown in Fig. 1 to 12, a kind of 110kV transformer stations single tube outlet structure, including several truss columns 1, it is arranged at phase
Frame girder 2 on adjacent two truss columns 1 and for truss column 1 and the basic exposed aerial foundation bolt 66 being connected, several frameworks
Post 1 is arranged in a linear, and the top of truss column 1 is provided with ground terminal 3, can be provided with according to lightning protection requirement on ground terminal 3 lightning-arrest
Pin 5, railing 4 is provided with frame girder 2, wherein：Truss column 1 uses single tube structure, exposed aerial lower margin spiral shell with frame girder 2
Bolt 66 makes truss column column root-plate 68 not contacted directly with basic top surface using the aerial connection of adjusting nut.Lightning rod uses
Single tube variable section structure.
Truss column single tube structure is made up of regular polygon, wall scroll straight weld taper variable-section steel pipe.Truss column base diameter
For 550mm, top diameter 450mm.
Frame girder single tube structure is made up of regular polygon, the isometrical steel pipe of wall scroll straight weld.Frame girder is eight in the present embodiment
Side shape steel pipe.The a diameter of 300mm of frame girder.
Isometrical steel pipe 21 is provided with beam-to-column joint plate 22, beam side thread gripping-board 23, guardrail connection channel-section steel 24, stiffener 25, beam
Bottom thread gripping-board 26, zinc-plated hole plugging plate 27, beam-to-column joint plate 22 are located at both ends, the one end of stiffener 25 and the beam of isometrical steel pipe 21
Post connecting plate 22 is connected, and the other end is connected with isometrical steel pipe 21, and beam-to-column joint plate 22 is provided with the zinc-plated hole of bar shaped, the zinc-plated hole of bar shaped
Blocked by plugging plate 27, beam side thread gripping-board 23, guardrail connection channel-section steel 24 and beam bottom thread gripping-board are on isometrical steel pipe 21, guardrail
Link slot 24 is used to connect guardrail 4 and frame girder 2, and beam side thread gripping-board 23 and beam bottom thread gripping-board 26 are used for 110KV outlets.
The bottom of truss column 1 is provided with truss column column root-plate 68, and truss column column root-plate 68 is circumferentially spaced to be provided with
Several ribbed stiffeners 69, one end of ribbed stiffener 69 are connected with truss column column root-plate 68, and the other end is connected with truss column 1, adjacent
Ribbed stiffener 69 between truss column column root-plate 68 be equipped with screw, exposed aerial foundation bolt 66 passes through base surface and framework
Post column root-plate 68 makes truss column column root-plate 68 not contacted directly with basic top surface using the aerial connection of adjusting nut.
The bottom of exposed aerial foundation bolt is provided with fastening plates 64, and fastening plates 64 are exposed for strengthening foundation bolt anchor force
The top of aerial foundation bolt 68 is provided with dismountable locating template 65.Locating template 65 makes it not for fixing foundation bolt
Positioning, recycling is taken out after being poured on basis.The lower end of truss column 1 is provided with ground terminal 610.Locating template 65 is provided with V
Type mouth 611.
Exposed anchor bolt type foundation bolt includes C15 mixed muds bed course 61, corner reinforcing bar 62, steel reinforcement cage with foundation connection structure
63rd, fastening plates 64, locating template 65, foundation bolt 66, C25 mixed muds basis 67, truss column column root-plate 68, wherein, corner
The requirement of reinforcing bar 62 is supported on blinding layer, to stablize whole steel reinforcement cage 63.Fastening plates 64 are arranged on the bottom of foundation bolt 66,
For strengthening foundation bolt anchor force, locating template 65 is arranged on the top of foundation bolt 66, makes it for fixing foundation bolt
Not positioning, recycling is taken out after being poured on basis.Locating template 65 is provided with V-type mouth 611, for direction indication, really
The position for protecting foundation bolt in work progress is accurate.
As shown in figure 9, exposed anchor bolt type foundation bolt is realized with foundation connection structure by following steps：
(1) C15 mixed muds bed course 61 is poured on foundation soil, after C15 mixed muds bed course 61 condenses, starts colligation steel
Muscle and laying template；
(2) reinforcing bar wherein in step (2) first lays corner reinforcing bar 62, the reinforcing bar 62 in corner in C15 mixed muds bed course 61
Upper banding steel cage 63, pre-buried foundation bolt 66 is fixed on steel reinforcement cage 63, and to foundation bolt top mark height adjustment, perpendicularity
Adjustment, fastening plates 64 are connected in the bottom of foundation bolt 66；Template is laid simultaneously, forms convex shape work mould, foundation bolt 66
Top is provided with the locating template 65 of V-shaped part, and the top of foundation bolt is wrapped up with adhesive tape or waterproof cloth, avoids screw thread from being stained with mixed
Soil or by other Substances Pollutions.
(3) toward pouring C25 mixed muds in convex shape work mould, while vibrating head vibration is inserted, mould is dismantled after certain time
Plate shape can dismantle locating template 65 into C25 mixed muds basis 67 after at least seven days.
The beneficial effect that technical solutions of the utility model are brought：
(1) 110kV single tubes cantilever style framework improves advantage relative to traditional A types framework：
1) component is few, saves framework rolled steel dosage, reduces cost, a 110kV Substation Station 110kV outlet structure is (altogether
14 return back out line) steel using amount of the more conventional A type column framework of steel using amount reduces by more than 30% (more than about 30 tons of steel)；
2) floor space is less, and the floor space of more conventional A type column framework reduces more than 40%, has saved transformer station's use
Ground；
3) beam-to-column joint plate is more simple compared to the connecting node of A type column, and Path of Force Transfer is clear, and factory process is convenient；
4) single steel pipe occupies little space, and transports and stacks easily, building-site is easy for installation, quick, is easy to 110kV structures
The installation of frame, improve construction quality and efficiency.
5) single tube crossbeam uses octagon steel pipe, upper planar, is easy to walk, and crossbeam side sets railing, is advantageous to install
Maintenance worker's safety operation.
(2) the truss column column root-plate of exposed aerial foundation bolt connecting structure does not contact directly with basic top surface, but
Using the aerial connection of adjusting nut.Exposed aerial foundation bolt has in terms of being connected to security, durability, practicality to be protruded
Advantage.
1) safety analysis：Aerial foundation bolt stress is clear and definite, and the pulling force, shearing and pressure at suspension column are all by lower margin spiral shell
Bolt undertakes, and by power path clear and definite, computation model is reasonable, can accurately analyze the stress for calculating foundation bolt, ensures
The security of design.
2) durability analysis：Exposed aerial foundation bolt formula connection design draining is easier, and being provided with hole at suspension column can
So that the water and vapor in post are discharged in time, in the absence of component internal water accumulation situation, so as to which holding post is interior and suspension column is dried, steel
Corrosion is not easy, durability is more preferable.Solve security hidden trouble caused by the long-term ponding of rim of a cup plug-in type suspension column well, and
It is convenient to remove, and steel cyclic utilization rate is high, embodies green.
3) applicability analysis：Exposed aerial foundation bolt formula steel kind design is relative to traditional rim of a cup plug-in type suspension column, civil engineering
Construction is simple, pillar location is accurate, and construction quality is easily controllable, reduces due to potential safety hazard caused by construction reason, and framework
Installation do not influenceed by rim of a cup grouted-aggregate concrete curing age, can reduce the framework set-up time (reduction amplitude can reach 70% and
More than), accelerate the speed of application of transformer station, shorten construction period, and be more beneficial for the maintenance in later stage and change.Foundation bolt,
Nut and its fastener, backing plate, fixing steel plate can be responsible for offer by steel construction producer, it can be ensured that the dimensional accuracy of associated components
It is required that.During foundation construction, civil engineering unit only needs to be responsible for providing the working fixation relatively low to dimension precision requirement
Frame.Pre-embedded bolt mould, make simply, it is practical.
The technical scheme provided above utility model embodiment is described in detail, used herein specifically individual
Example is set forth to the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Understand the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model
Example, the there will be changes in embodiment and application, in summary, this specification content should not be construed as
Limitation to utility model.
Claims (9)
1.110kV transformer stations single tube outlet structure, it is characterised in that：Including several truss columns, it is arranged at adjacent two truss column
On frame girder and be arranged in a linear for truss column and the exposed aerial foundation bolt that is connected of basis, several truss columns, structure
Trestle top is provided with ground terminal, and single tube lightning rod can be set on ground terminal according to lightning protection requirement, is respectively provided with frame girder
There is railing, wherein：Truss column uses single tube structure with frame girder, and exposed aerial foundation bolt uses the aerial company of adjusting nut
Connect, truss column column root-plate is not contacted directly with basic top surface.
2. 110kV transformer stations single tube outlet structure according to claim 1, it is characterised in that：The truss column single tube knot
Structure is made up of regular polygon, wall scroll straight weld taper variable-section steel pipe.
3. 110kV transformer stations single tube outlet structure according to claim 2, it is characterised in that：The frame girder single tube knot
Structure is made up of regular polygon, the isometrical steel pipe of wall scroll straight weld.
4. 110kV transformer stations single tube outlet structure according to claim 3, it is characterised in that：In the isometrical steel tubular beam
Connect provided with beam-to-column joint plate, beam side thread gripping-board, guardrail connection channel-section steel, stiffener, beam bottom thread gripping-board, zinc-plated hole plugging plate, beam column
Fishplate bar is connected located at both ends, stiffener one end of isometrical steel tubular beam with beam-to-column joint plate, the other end and isometrical fastener for connection, beam column
Connecting plate is provided with the zinc-plated hole of bar shaped, and the zinc-plated hole of bar shaped is blocked by plugging plate, beam side thread gripping-board, guardrail connection channel-section steel and beam bottom
Thread gripping-board is on isometrical steel pipe, and guardrail connection channel-section steel is used to connect the guardrail and frame girder, and beam side thread gripping-board and beam bottom are hung
Line plate is used for 110kV outlets.
5. 110kV transformer stations single tube outlet structure according to claim 4, it is characterised in that：The frame girder is eight sides
Shape steel pipe.
6. 110kV transformer stations single tube outlet structure according to claim 1, it is characterised in that：The lightning rod is using single
Pipe variable section structure.
7. 110kV transformer stations single tube outlet structure according to claim 1, it is characterised in that：The framework column bottom is set
There is truss column column root-plate, truss column column root-plate is circumferentially spaced to be provided with several ribbed stiffeners, one end of ribbed stiffener
It is connected with truss column column root-plate, the other end is connected with truss column, and the truss column column root-plate between adjacent ribbed stiffener is all provided with
There is screw, the exposed aerial foundation bolt uses the aerial connection of adjusting nut through base surface and truss column column root-plate,
Truss column column root-plate is set not contacted directly with basic top surface.
8. 110kV transformer stations single tube outlet structure according to claim 7, it is characterised in that：The exposed aerial lower margin
The bottom of bolt is provided with fastening plates, and the top of the exposed aerial foundation bolt is provided with dismountable locating template.
9. 110kV transformer stations single tube outlet structure according to claim 8, it is characterised in that：The locating template is provided with V
Type mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715780.7U CN207048397U (en) | 2017-06-20 | 2017-06-20 | 110kV transformer stations single tube outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715780.7U CN207048397U (en) | 2017-06-20 | 2017-06-20 | 110kV transformer stations single tube outlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048397U true CN207048397U (en) | 2018-02-27 |
Family
ID=61492930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720715780.7U Active CN207048397U (en) | 2017-06-20 | 2017-06-20 | 110kV transformer stations single tube outlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207048397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130823A (en) * | 2017-06-20 | 2017-09-05 | 广东天联电力设计有限公司 | 110kV transformer stations single tube outlet structure |
-
2017
- 2017-06-20 CN CN201720715780.7U patent/CN207048397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130823A (en) * | 2017-06-20 | 2017-09-05 | 广东天联电力设计有限公司 | 110kV transformer stations single tube outlet structure |
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