CN213390143U - Guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure - Google Patents
Guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure Download PDFInfo
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- CN213390143U CN213390143U CN202021538761.XU CN202021538761U CN213390143U CN 213390143 U CN213390143 U CN 213390143U CN 202021538761 U CN202021538761 U CN 202021538761U CN 213390143 U CN213390143 U CN 213390143U
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- seat ring
- volute casing
- exhaust
- casing seat
- foundation
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Abstract
The utility model provides a guarantee pumped storage power station spiral case seat ring basis is pour closely knit exhaust structure, include: the exhaust grooves are annularly arranged along the inner surface of the top of the volute casing seat ring foundation and are used as templates in the corresponding range of the volute casing seat ring foundation; the through holes are arranged on the binding surface of the exhaust groove and the volute casing seat ring foundation at intervals, so that smooth exhaust in the concrete pouring process can be realized, and the through holes can also serve as construction vibration channels; and the reinforcing mesh is arranged in the through hole, so that the smoothness of the sealed space of the foundation structure is realized, and the pouring forming of the outer surface of the structure is ensured. Can effectively guarantee that spiral case seat ring basis concrete once pours closely knit, avoid the processing of coming to nothing of structure top buried plate lower part in the measure, reduce construction process, construction investment and accelerated the construction progress. The structure of the core force transmission part of the pumped storage factory building is guaranteed to bear the weight of the characteristic, and the application benefit is remarkable.
Description
Technical Field
The utility model belongs to the technical field of power station factory building infrastructure, concretely relates to guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure.
Background
According to the installation procedure of the pumped storage power station unit and the corresponding basic structure form, the concrete foundation of the volute seat ring needs to be poured in advance, a second-stage space is reserved in the middle, and after the installation of the tail water taper pipe is finished, the second-stage space is backfilled and poured. Because the volute casing seat ring is a direct force transmission component of the unit, the requirement on the lower basic structure is extremely high, and meanwhile, the technical strategy of improving the vibration transmission path of the pumped storage power station is followed, and the concrete pouring compactness of the direct force transmission structure part must be ensured. The concrete foundation of the volute seat ring has limited size, a closed buried plate (with large thickness) is arranged on the top surface, and the steel bars are dense, so that the concrete foundation cannot be vibrated comprehensively due to narrow space; therefore, after the structure construction is completed, the bottom of the top embedded part is obviously hollow, and needs to be comprehensively checked and processed, so that the processing technology difficulty is high, the construction cost investment is increased, and the progress influence is obvious. Therefore, effective structural guarantee measures are invented based on structural characteristics, and the focus problems are solved.
Based on the above condition, the utility model provides a guarantee pumped storage power station spiral case seat ring basis is pour closely knit exhaust structure, can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
Be difficult to pour closely knit objective problem to pumped storage power station factory building spiral case seat ring basis position, the utility model provides a guarantee spiral case seat ring basis pours closely knit exhaust to guarantee structure construction quality, it is good to ensure that the structure bears.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure, includes:
the exhaust grooves are annularly arranged along the inner surface of the top of the volute casing seat ring foundation and are used as templates in the corresponding range of the volute casing seat ring foundation;
the through holes are arranged on the binding surface of the exhaust groove and the volute casing seat ring foundation at intervals, so that smooth exhaust in the concrete pouring process can be realized, and the through holes can also serve as construction vibration channels;
and the reinforcing mesh is arranged in the through hole, so that the smoothness of the sealed space of the foundation structure is realized, and the pouring forming of the outer surface of the structure is ensured.
Besides the above functions, the exhaust groove also serves as a collecting groove for a small amount of concrete overflowing. And after pouring and maintenance, the lower side template and the lower side template are removed simultaneously.
As an optimal technical scheme of the utility model, the exhaust duct bottom laminates with the template of arranging at spiral case seat ring basis internal surface mutually, and brushes sealed glue in laminating department.
As an optimized technical scheme of the utility model, the exhaust duct inner ring is to evenly arranging vertical stiffener.
The exhaust groove structure is arranged in an annular sealing manner, and the stiffening plates are uniformly arranged in the annular sealing manner, so that the use condition of the template is met.
As an optimized technical scheme of the utility model, the top surface of air discharge duct with spiral case seat ring basis top surface flushes.
As an optimized technical scheme of the utility model, the structure reinforcing bar has been arranged in the spiral case seat ring basis, correspondingly through-hole department arrange with the fixed anchor bar of structure reinforcing bar rigid coupling.
As an optimal technical scheme of the utility model, the air discharge duct passes through steel sheet welded connection and forms.
The exhaust groove is welded by steel plates and assembled into an annular groove box in an annular sectional manner.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
by adopting the technical scheme of the utility model, the defects that the concrete foundation of the volute seat ring is limited in size, the top surface is provided with the closed buried plate (with large thickness), the steel bars are dense, and the space is narrow and cannot be vibrated comprehensively are overcome; the gas that the usable hoop was arranged in the through-hole in the air discharge duct near pre-buried board and is pour the in-process and produce is discharged fast, passes through the through-hole through the vibrating rod simultaneously and carries out the vibration in getting into the concrete, ensures the closely knit degree of concreting. In addition, the reinforcing mesh arranged in the through hole can prevent concrete poured in the volute seat ring foundation from overflowing, and pouring forming of the outer surface of the structure is guaranteed. Besides the above functions, the exhaust groove also serves as a collecting groove for a small amount of concrete overflowing.
The utility model discloses can effectively guarantee spiral case seat ring basis concrete once to pour closely knit, avoid the structure top to bury the processing of coming to nothing of board lower part on the measure, reduce construction process, construction investment and accelerated the construction progress. The structure of the core force transmission part of the pumped storage factory building is guaranteed to bear the weight of the characteristic, and the application benefit is remarkable.
Drawings
FIG. 1 is a diagram of the range of the volute receptacle ring support structure of the present invention;
FIG. 2 is a sectional view of the exhaust duct of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Reference numerals: 1-volute seat ring foundation; 2-an exhaust groove; 3-a through hole; 4-reinforcing mesh; 5-side template; 6-sealing glue; 7-a stiffening plate; 8-structural steel bars; and 9-fixing anchor bars.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
As shown in fig. 1 to 3, an exhaust structure for ensuring compact pouring of a volute seat ring foundation of a pumped storage power station includes:
the exhaust groove 2 is annularly arranged along the inner surface of the top of the volute casing seat ring foundation 1 and is used as a template in a corresponding range of the volute casing seat ring foundation 1;
the through holes 3 are arranged on the binding surfaces of the exhaust grooves 2 and the volute casing seat ring foundation 1 at intervals, so that smooth exhaust in the concrete pouring process can be realized, and the through holes can also be used as construction vibration channels;
and the reinforcing mesh 4 is welded in the through hole 3, so that the smoothness of the sealing space of the foundation structure is realized, and the pouring forming of the outer surface of the structure is ensured.
Further, in another embodiment, the bottom of the exhaust groove 2 is attached to a side template 5 arranged on the inner surface of the volute casing seat ring foundation 1, and a sealant 6 is coated at the attachment part to prevent concrete from overflowing.
Further, in another embodiment, the vertical stiffening plates 7 are uniformly arranged in the exhaust groove 2 in an annular direction, so that the structural strength of the exhaust groove 2 can be further enhanced.
Further, in another embodiment, the top surface of the exhaust groove 2 is flush with the top surface of the volute receptacle ring base 1.
Further, in another embodiment, structural steel bars 8 are arranged in the volute casing seat ring foundation 1, correspondingly, fixing anchor bars 9 fixedly connected with the structural steel bars 8 are arranged at the through holes 3, and the fixing anchor bars 9 are cut off when the exhaust duct 2 is removed.
Further, in another embodiment, the exhaust groove 2 is formed by welding and connecting steel plates.
The method can effectively ensure that the concrete of the volute casing seat ring foundation is poured compactly at one time, avoids the void treatment at the lower part of the embedded plate at the top of the structure in measures, reduces the construction process and construction investment and accelerates the construction progress. The structure of the core force transmission part of the pumped storage factory building is guaranteed to bear the weight of the characteristic, and the application benefit is remarkable.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
According to the utility model discloses a description and drawing, technical personnel in the field make or use very easily the utility model discloses a guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure, and can produce the utility model discloses the positive effect recorded.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the orientation or positional relationship in the present invention are used only for illustrative purposes and are not to be construed as a limitation of the present patent, and it is possible for a person having ordinary skill in the art to understand the specific meaning of the above terms according to the specific situation in conjunction with the drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. The utility model provides a guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure which characterized in that includes:
the exhaust groove (2) is annularly arranged along the inner surface of the top of the volute casing seat ring foundation (1) and is used as a template in the corresponding range of the volute casing seat ring foundation (1);
the through holes (3) are arranged on the binding surface of the exhaust groove (2) and the volute casing seat ring foundation (1) at intervals, so that smooth exhaust in the concrete pouring process can be realized, and the through holes can also serve as construction vibration channels;
and the reinforcing mesh (4) is arranged in the through hole (3), so that the smoothness of the sealing space of the foundation structure is realized, and the pouring forming of the outer surface of the structure is ensured.
2. The method for ensuring the pouring of the compact exhaust structure of the pumped-storage power station volute casing seat ring foundation as claimed in claim 1, wherein: the bottom of the exhaust groove (2) is attached to a side template (5) arranged on the inner surface of the volute casing seat ring foundation (1), and a sealant (6) is coated on the attachment position.
3. The method for ensuring the pouring of the compact exhaust structure of the pumped-storage power station volute casing seat ring foundation as claimed in claim 1, wherein: vertical stiffening plates (7) are uniformly arranged in the exhaust groove (2) in the circumferential direction.
4. The method for ensuring the pouring of the compact exhaust structure of the pumped-storage power station volute casing seat ring foundation as claimed in claim 1, wherein: the top surface of the exhaust groove (2) is flush with the top surface of the volute casing seat ring foundation (1).
5. The method for ensuring the pouring of the compact exhaust structure of the pumped-storage power station volute casing seat ring foundation as claimed in claim 1, wherein: structural steel bars (8) are arranged in the volute casing seat ring foundation (1), and correspondingly fixing anchor bars (9) fixedly connected with the structural steel bars (8) are arranged at the through holes (3).
6. The method for ensuring the pouring of the compact exhaust structure of the pumped-storage power station volute casing seat ring foundation as claimed in claim 1, wherein: the exhaust groove (2) is formed by welding and connecting steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538761.XU CN213390143U (en) | 2020-07-29 | 2020-07-29 | Guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538761.XU CN213390143U (en) | 2020-07-29 | 2020-07-29 | Guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213390143U true CN213390143U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021538761.XU Active CN213390143U (en) | 2020-07-29 | 2020-07-29 | Guarantee pumped storage power station spiral case seat ring basis pours closely knit exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213390143U (en) |
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2020
- 2020-07-29 CN CN202021538761.XU patent/CN213390143U/en active Active
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