CN204385761U - A kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional - Google Patents
A kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional Download PDFInfo
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- CN204385761U CN204385761U CN201420869300.9U CN201420869300U CN204385761U CN 204385761 U CN204385761 U CN 204385761U CN 201420869300 U CN201420869300 U CN 201420869300U CN 204385761 U CN204385761 U CN 204385761U
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- built
- earthquake isolating
- isolating equipment
- fitting
- main transformer
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Abstract
The utility model provides a kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional, comprise basic pedestal, basis installation portion and the jack built-in fitting be made up of the first embedded board and the earthquake isolating equipment built-in fitting be formed by fixedly connecting by the second embedded board and built-in bolt sleeve, installation portion bottom, basis is fixedly connected with basic pedestal, and between adjacent two basic installation portions, a determining deviation is set, basis installation portion top respectively with jack built-in fitting, earthquake isolating equipment built-in fitting is fixedly connected with, second embedded board is offered the locating hole communicated with built-in bolt sleeve, it is inner that built-in bolt sleeve is cemented in basic installation portion.Utilize the utility model that earthquake isolating equipment can be made easily to be connected and fixed with earthquake isolating equipment built-in fitting by high-strength bolt, improve the stability against earthquake performance of main transformer equipment, and convenient operation personnel comprise earthquake isolating equipment to main transformer equipment and install, overhaul and replacement operation, there is the outstanding advantages such as structure is simple, cost-saving.
Description
Technical field
The utility model relates to extra-high voltage electric power transmission infrastructure field, especially relates to a kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional.
Background technology
(g is wherein acceleration of gravity to be arranged in the electric equipments equal demand fulfillment horizontal earthquake acceleration 0.4g of the 500kV transformer station in 8 degree of high earthquake intensity areas, shock resistance down together), for the main transformer (abbreviation of " main transformer " in 500kV transformer station, lower same), because its physical dimension is large, center of gravity is low, quality is large, based on shear strain under geological process, belong to heavy dwarf forms equipment.When an earthquake occurs, the porcelain bushing of main transformer body device body to its top has obvious earthquake enlarge-effect, therefore, even if also may bear through the sleeve pipe of seismic design the geological process exceeding its limiting design value.
In order to alleviate the damaging influence of earthquake to main transformer, need (to be called for short " main transformer foundation " at the installation foundation of main transformer equipment and main transformer, earthquake isolating equipment is rationally installed additional down together), connecting portion normally between main transformer equipment and main transformer foundation installs laminated rubber isolation cushion additional, and the model of isolation cushion, quantity, layout location are determined by Cable Power Computation.By the seismic response adopting earthquake isolating equipment farthest to reduce main transformer equipment under geological process, while alleviating main transformer apparatus body geological process, protective casing is not destroyed.Therefore, the shock resistance of main transformer foundation is most important for the safety of protection main transformer equipment under geological process.If main transformer foundation suffers seismic damage, it will be catastrophic to the destruction that main transformer equipment causes, and not only directly cause blackout, and the likely secondary disaster such as initiation fire.
Utility model content
The technical problems to be solved in the utility model is: for prior art Problems existing, a kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional is provided, improve the stability against earthquake performance of main transformer equipment, and conveniently earthquake isolating equipment is comprised to main transformer equipment install, overhaul and replacement operation.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional, comprise basic pedestal, basis installation portion and the jack built-in fitting be made up of the first embedded board and the earthquake isolating equipment built-in fitting be formed by fixedly connecting by the second embedded board and built-in bolt sleeve, described basic installation portion bottom is fixedly connected with basic pedestal, and between adjacent two basic installation portions, a determining deviation is set, described basic installation portion top respectively with jack built-in fitting, earthquake isolating equipment built-in fitting is fixedly connected with, second embedded board is offered the locating hole communicated with built-in bolt sleeve, it is inner that described built-in bolt sleeve is cemented in basic installation portion.
Preferably, described jack built-in fitting also comprises the first connection dowel, and described first connects dowel is fixedly connected with the first embedded board, and the first connection dowel is cemented in basic installation portion inside.
Preferably, be welded and fixed between described first connection dowel and the first embedded board.
Preferably, between the first embedded board side of described jack built-in fitting and basic installation portion, the first buffer fillings layer be made up of elastomeric material is set.
Preferably, the first described buffer fillings layer is silicone weather resistant glue.
Preferably, the second described embedded board offers through hole.
Preferably, the second buffer fillings layer be made up of elastomeric material is set between described second embedded board side and basic installation portion.
Preferably, the second described buffer fillings layer is silicone weather resistant glue.
Preferably, described earthquake isolating equipment built-in fitting also comprises the second connection dowel, and described second connects dowel is fixedly connected with the second embedded board, and the second connection dowel is cemented in basic installation portion inside.
Preferably, described earthquake isolating equipment built-in fitting also comprises the second connection dowel, and described second connection dowel forms screw thread with built-in bolt sleeve and is flexibly connected, and the second connection dowel is cemented in basic installation portion inside.
Compared with prior art, the beneficial effects of the utility model are: owing to being provided with jack built-in fitting and earthquake isolating equipment built-in fitting on main transformer foundation, and a reserved determining deviation forms constructing operation passage and access path between basic installation portion on main transformer foundation, earthquake isolating equipment easily can be connected and fixed with earthquake isolating equipment built-in fitting by high-strength bolt, improve main transformer equipment and be installed to stability against earthquake performance on main transformer foundation, and save the constructional materials consumption of main transformer foundation, be conducive to reducing the construction volume of main transformer foundation and saving the overall construction cost of main transformer foundation, jack jacking main transformer equipment can be facilitated by jack built-in fitting, install so that operating personnel comprise earthquake isolating equipment to main transformer equipment, overhaul and replacement operation, and ensure the safety of operation.
Accompanying drawing explanation
Fig. 1 is a kind of top view installing the main transformer foundation of earthquake isolating equipment for 500kV transformer station additional of the utility model.
Fig. 2 be in Fig. 1 A-A to sectional view.
Fig. 3 is the partial enlarged drawing at B place in Fig. 1.
Fig. 4 is the top view of jack built-in fitting in Fig. 1.
Fig. 5 be in Fig. 4 C-C to sectional view.
Fig. 6 is the top view of earthquake isolating equipment built-in fitting in Fig. 1.
Fig. 7 be in Fig. 6 E-E to sectional view (second connects dowel and the second embedded board directly fixes).
Fig. 8 be in Fig. 6 E-E to sectional view (second connects dowel and built-in bolt sleeve is interconnected).
Mark in figure: 1-basis pedestal, 2-basis installation portion, 3-jack built-in fitting, 4-earthquake isolating equipment built-in fitting, 5-first buffer fillings layer, 6-second buffer fillings layer, 31-first embedded board, 32-first connects dowel, 41-second embedded board, 42-through hole, 43-locating hole, 44-built-in bolt sleeve, 45-second connects dowel.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional as shown in Figure 1 and Figure 2, it is vertically being divided into upper and lower two large divisions in appearance: the part being positioned at below oil sump base plate is the basic pedestal 1 of complete board type, to strengthen the integral rigidity of main transformer foundation, alleviating bottom main transformer foundation while subsidiary stress, its seismic stability can strengthened, the part being positioned at more than oil sump base plate is the strip foundation installation portion 2 of sectional type, between adjacent two basic installation portions 2, a determining deviation is set, all basic installation portions 2 all adopt reinforced concrete whole-casting to form integral structure with basic pedestal 1, adopt such structure can while the integral rigidity ensureing main transformer foundation and the intensity that is rigidly connected between basic installation portion 2 and basic pedestal 1, the headspace between two adjacent basic installation portions 2 is made to form constructing operation passage and access path, earthquake isolating equipment is comprised to main transformer equipment install to facilitate, maintenance and replacement operation, and structure is simple, compact, save the constructional materials consumption of main transformer foundation, reduce the construction volume of main transformer foundation, save the overall construction cost of main transformer foundation.
The jack built-in fitting 3 and earthquake isolating equipment built-in fitting 4 of being convenient to jack jacking main transformer equipment is fixedly connected with respectively on basic installation portion 2 top, described jack built-in fitting 3 as shown in Figure 4, Figure 5, form primarily of the first embedded board 31, described first embedded board 31 is square plate, and is cemented in basic installation portion 2 top with embedded mode.Described earthquake isolating equipment built-in fitting 4 is as shown in Fig. 6, Fig. 7, Fig. 8, be welded and fixed primarily of the second embedded board 41 and built-in bolt sleeve 44 and form, described second embedded board 41 is square plate, and be cemented in basic installation portion 2 top with embedded mode, it is inner that described built-in bolt sleeve 44 is cemented in basic installation portion 2, and the second embedded board 41 is offered the locating hole 43 communicated with built-in bolt sleeve 44.Build in consolidation process at the second embedded board 41 with basic installation portion 2, hollow is there is in order to prevent the joint portion between the second embedded board 41 and basic installation portion 2 top, through hole 42 can be offered at the central part of the second embedded board 41, as shown in Figure 6, fully to ensure that the second embedded board 41 is sturdy with basic installation portion 2 top end face, paste jail, thus ensure that the bonding strength between earthquake isolating equipment built-in fitting 4 and main transformer foundation.
Main transformer foundation of the present utility model and earthquake isolating equipment pass through high strength exploitation, earthquake isolating equipment is placed on the second embedded board 41, the bolt hole adjusted on its junction plate aligns with the locating hole 43 on the second embedded board 41, high-strength bolt is flexibly connected through forming screw thread with built-in bolt sleeve 44 after the bolt hole on earthquake isolating equipment junction plate, locating hole 43, to facilitate maintenance and the replacing of earthquake isolating equipment successively.When earthquake isolating equipment needs maintenance or changes, by jack jacking main transformer equipment, after disassembling the high-strength bolt be connected with earthquake isolating equipment built-in fitting 4, the quick fetching of earthquake isolating equipment just can be realized.
When by jack jacking main transformer equipment, in order to improve the connection reliability between jack built-in fitting 3 and main transformer foundation, some first can be welded and fixed connect dowel 32 on the first embedded board 31, as shown in Figure 4, Figure 5, described first connection dowel 32 is all cemented in basic installation portion 2 inside.The contact area between jack built-in fitting 3 and basic installation portion 2 can be increased by the first connection dowel 32, thus the bonding strength strengthened between itself and main transformer foundation, improve the connection reliability of jack built-in fitting 3, be conducive to safety when ensureing jack jacking main transformer equipment.Similarly, in order to improve the connection reliability between earthquake isolating equipment built-in fitting 4 and main transformer foundation, some second can be welded and fixed connect dowel 45 on the second embedded board 41, as shown in Figure 7, also can connect dowel 45 one end second and the end of thread is set, make the second connection dowel 45 can form screw thread with built-in bolt sleeve 44 to be flexibly connected, as shown in Figure 8, described second connects dowel 45 is all cemented in basic installation portion 2 inside.The contact area between earthquake isolating equipment built-in fitting 4 and basic installation portion 2 can be increased by the second connection dowel 45, enhance the bonding strength between itself and main transformer foundation, improve the connection reliability between earthquake isolating equipment built-in fitting 4 and main transformer foundation, be conducive to the safety ensureing main transformer equipment, damping device.
Consider and main transformer foundation may increase other equipment by welding manner, when the first embedded board 31 of jack built-in fitting 3, the second embedded board 41 of earthquake isolating equipment built-in fitting 4 carry out welding operation with other equipment, the high temperature produced in welding process will cause the first embedded board 31, second embedded board 41 expanded by heating, thus very large expansion power is produced to basic installation portion 2, be unfavorable for the safety of main transformer foundation.For this reason, can the first buffer fillings layer 5 be made up of elastomeric material be set between the first embedded board 31 side and basic installation portion 2, similarly, the the second buffer fillings layer 6 be made up of elastomeric material is set between the second embedded board 41 side and basic installation portion 2, as shown in Figure 1, Figure 3, preferably, the first buffer fillings layer 5, second buffer fillings layer 6 wherein all adopts silicone weather resistant glue.Like this, just can be cushioned the expanded by heating of the first embedded board 31, second embedded board 41 respectively by the first buffer fillings layer 5, second buffer fillings layer 6, thus alleviate the first embedded board 31, second embedded board 41 expanded by heating to the direct impact of basic installation portion 2, improve the stability against earthquake performance of main transformer equipment, be conducive to the general safety ensureing main transformer foundation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind installs the main transformer foundation of earthquake isolating equipment additional for 500kV transformer station, it is characterized in that: comprise basic pedestal (1), basis installation portion (2) and the jack built-in fitting (3) be made up of the first embedded board (31) and the earthquake isolating equipment built-in fitting (4) be formed by fixedly connecting by the second embedded board (41) and built-in bolt sleeve (44), described basic installation portion (2) bottom is fixedly connected with basic pedestal (1), and between adjacent two basic installation portions (2), a determining deviation is set, described basic installation portion (2) top respectively with jack built-in fitting (3), earthquake isolating equipment built-in fitting (4) is fixedly connected with, earthquake isolating equipment built-in fitting (4) is offered the locating hole (43) communicated with built-in bolt sleeve (44), it is inner that described built-in bolt sleeve (44) is cemented in basic installation portion (2).
2. the main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional according to claim 1, it is characterized in that: described jack built-in fitting (3) also comprises the first connection dowel (32), described first connects dowel (32) is fixedly connected with the first embedded board (31), and the first connection dowel (32) is cemented in basic installation portion (2) inside.
3. the main transformer foundation installing earthquake isolating equipment additional for 500kV transformer station according to claim 2, is characterized in that: be welded and fixed between described first connection dowel (32) and the first embedded board (31).
4. the main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional according to any one of claim 1-3, is characterized in that: arrange the first buffer fillings layer (5) be made up of elastomeric material between the first embedded board (31) side of described jack built-in fitting (3) and basic installation portion (2).
5. the main transformer foundation installing earthquake isolating equipment additional for 500kV transformer station according to claim 4, is characterized in that: the first described buffer fillings layer (5) is silicone weather resistant glue.
6. the main transformer foundation installing earthquake isolating equipment additional for 500kV transformer station according to claim 1, is characterized in that: described the second embedded board (41) offers through hole (42).
7. the main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional according to claim 1 or 6, is characterized in that: arrange the second buffer fillings layer (6) be made up of elastomeric material between described the second embedded board (41) side and basic installation portion (2).
8. the main transformer foundation installing earthquake isolating equipment additional for 500kV transformer station according to claim 7, is characterized in that: the second described buffer fillings layer (6) is silicone weather resistant glue.
9. the main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional according to claim 1, it is characterized in that: described earthquake isolating equipment built-in fitting (4) also comprises the second connection dowel (45), described second connects dowel (45) is fixedly connected with the second embedded board (41), and the second connection dowel (45) is cemented in basic installation portion (2) inside.
10. the main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional according to claim 1, it is characterized in that: described earthquake isolating equipment built-in fitting (4) also comprises the second connection dowel (45), described second connection dowel (45) forms screw thread with built-in bolt sleeve (44) and is flexibly connected, and the second connection dowel (45) is cemented in basic installation portion (2) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869300.9U CN204385761U (en) | 2014-12-31 | 2014-12-31 | A kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869300.9U CN204385761U (en) | 2014-12-31 | 2014-12-31 | A kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204385761U true CN204385761U (en) | 2015-06-10 |
Family
ID=53358494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420869300.9U Withdrawn - After Issue CN204385761U (en) | 2014-12-31 | 2014-12-31 | A kind of main transformer foundation installing earthquake isolating equipment for 500kV transformer station additional |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204385761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563154A (en) * | 2014-12-31 | 2015-04-29 | 中国电力工程顾问集团西南电力设计院有限公司 | Main transformer base for installing isolation device for 500kV transformer substation |
| CN105525626A (en) * | 2016-01-07 | 2016-04-27 | 浙江省送变电工程公司 | Adjustable mechanical connection embedded part and use method thereof |
-
2014
- 2014-12-31 CN CN201420869300.9U patent/CN204385761U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563154A (en) * | 2014-12-31 | 2015-04-29 | 中国电力工程顾问集团西南电力设计院有限公司 | Main transformer base for installing isolation device for 500kV transformer substation |
| CN105525626A (en) * | 2016-01-07 | 2016-04-27 | 浙江省送变电工程公司 | Adjustable mechanical connection embedded part and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |