CN210315570U - Connecting structure for seawater circulating embedded part - Google Patents
Connecting structure for seawater circulating embedded part Download PDFInfo
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- CN210315570U CN210315570U CN201920469210.3U CN201920469210U CN210315570U CN 210315570 U CN210315570 U CN 210315570U CN 201920469210 U CN201920469210 U CN 201920469210U CN 210315570 U CN210315570 U CN 210315570U
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- diversion angle
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Abstract
The utility model discloses a connecting structure for a seawater circulation embedded part, which comprises a foundation pit lining, a lower support ring, a water diversion angle, an upper connecting plate and a lower connecting plate, wherein the foundation pit lining is of a circular ring structure; the foundation pit lining and the lower support ring are coaxially arranged in sequence from top to bottom; the upper connecting plate is welded on the periphery of the lower end of the foundation pit lining; the lower connecting plate is welded on the outer periphery of the upper end of the lower support ring; an upper diversion angle connecting plate and a lower diversion angle connecting plate are welded on the side wall of the diversion angle; the upper water diversion angle connecting plate and the upper connecting plate are connected together through a plurality of bolts; the lower water diversion angle connecting plate and the lower connecting plate are connected together through a plurality of bolts; the upper connecting plate and the lower connecting plate are connected together through a plurality of bolts. The utility model discloses a connection structure for sea water circulation built-in fitting adopts bolted connection's mode, and the on-the-spot installation of being convenient for shortens engineering cycle.
Description
Technical Field
The utility model relates to a connection structure for sea water circulation built-in fitting.
Background
The seawater circulating pump of the nuclear power plant has the function of providing necessary cooling water for a condenser and an auxiliary cooling water system of a steam turbine. The seawater circulating pump belongs to large-scale equipment, each unit of the existing domestic nuclear power station is generally provided with two seawater circulating pumps to work simultaneously, and the pumps are not used for equipment. The stable and reliable operation of the pump is very important for the economy and safety of the nuclear power plant.
The pump set consists of a concrete water inlet flow channel, a concrete volute, a gear box, a motor, an auxiliary equipment pipeline and a valve instrument. The impeller, the main shaft, the guide bearing, the pump cover, the gear box, the motor and other parts are designed into a structure which can be directly moved out from the upper part of the pump set. The water inlet flow channel and the volute flow channel are formed by pouring seawater-resistant reinforced concrete, and an upper embedded part, a lower embedded part and a water diversion angle which are made of duplex stainless steel are arranged in the water inlet flow channel and the volute flow channel.
The connecting plate in the general embedded part is welded with the foundation pit lining and the lower supporting ring on the engineering site, and the connection mode has a long engineering period and a large influence on the engineering progress on the site due to limited site space and complicated related procedures required by welding. The embedded parts are formed by welding 1.4462 duplex stainless steel, and the embedded parts are connected in a bolt connection mode. The embedded parts are connected by bolts, so that the embedded parts are convenient to install on site, and the engineering period is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a connection structure for sea water circulation built-in fitting, adopting bolted connection's mode, the on-the-spot installation of being convenient for shortens engineering cycle.
The technical scheme for realizing the purpose is as follows: the utility model provides a connection structure for sea water circulation built-in fitting, includes foundation ditch back lining, lower support ring, cutwater, upper junction plate and lower connecting plate, wherein:
the lining of the foundation pit is of a circular ring-shaped structure;
the foundation pit lining and the lower support ring are coaxially arranged in sequence from top to bottom;
the upper connecting plate is welded on the periphery of the lower end of the foundation pit lining;
the lower connecting plate is welded on the outer periphery of the upper end of the lower support ring;
the diversion angle is vertically arranged, an upper diversion angle connecting plate and a lower diversion angle connecting plate are welded on the side wall of the diversion angle, and the upper diversion angle connecting plate and the lower diversion angle connecting plate are parallel to each other;
the upper diversion angle connecting plate, the upper connecting plate, the lower connecting plate and the lower diversion angle connecting plate are sequentially arranged in a clinging manner from top to bottom;
the upper water diversion angle connecting plate and the upper connecting plate are connected together through a plurality of bolts;
the lower water diversion angle connecting plate and the lower connecting plate are connected together through a plurality of bolts;
the upper connecting plate and the lower connecting plate are connected together through a plurality of bolts.
The connecting structure for the seawater circulating embedded part is characterized in that a plurality of upper connecting bolts are arranged on the upper connecting plate, a plurality of lower connecting bolts are arranged on the lower connecting plate, and the upper connecting bolts and the lower connecting bolts are arranged in a one-to-one correspondence manner.
The connecting structure for the seawater circulating embedded part is characterized in that the upper connecting bolt is connected with the corresponding lower connecting bolt through a nut.
The utility model discloses a connection structure for sea water circulation built-in fitting adopts bolted connection's mode, and the on-the-spot installation of being convenient for shortens engineering cycle.
Drawings
Fig. 1 is an exploded structural view of a connection structure for a seawater circulation embedded part of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, a preferred embodiment of the present invention is a connection structure for a seawater circulation embedded part, which includes a foundation pit lining 1, a lower support ring 7, a diversion angle 4, an upper connection plate 2 and a lower connection plate 6.
The foundation pit lining 1 is of a circular structure; the foundation pit lining 1 and the lower support ring 7 are coaxially arranged in sequence from top to bottom; the upper connecting plate 2 is welded on the periphery of the lower end of the foundation pit lining 1; the lower connecting plate 6 is welded on the outer periphery of the upper end of the lower supporting ring 7; the diversion angle 4 is vertically arranged, an upper diversion angle connecting plate and a lower diversion angle connecting plate are welded on the side wall of the diversion angle 4, and the upper diversion angle connecting plate and the lower diversion angle connecting plate are parallel to each other; the upper diversion angle connecting plate, the upper connecting plate 2, the lower connecting plate 6 and the lower diversion angle connecting plate are sequentially arranged in a clinging manner from top to bottom; the upper water diversion angle connecting plate and the upper connecting plate 2 are connected together through a plurality of bolts; the lower diversion angle connecting plate and the lower connecting plate 6 are connected together through a plurality of bolts; a plurality of upper connecting bolts 3 are arranged on the upper connecting plate 2, a plurality of lower connecting bolts 5 are arranged on the lower connecting plate 6, the upper connecting bolts 3 and the lower connecting bolts 5 are arranged in a one-to-one correspondence mode, and the upper connecting bolts 3 are connected with the corresponding lower connecting bolts 5 through nuts.
The utility model discloses a connection structure for sea water circulation built-in fitting, at first upper junction plate 2 and foundation ditch lining 1 when the factory pre-installation, lower junction plate 6 welds respectively with lower support ring 7 and upper and lower diversion angle connecting plate and diversion angle down, after the welding is accomplished, when the field installation, only need with bolted connection's mode with the diversion angle, foundation ditch lining and under bracing ring assemble just can, this connected mode can reduce the work load of site operation for traditional built-in fitting field weld's mode, the engineering efficiency is improved, practice thrift the cost of field installation.
To sum up, the utility model discloses a connection structure for sea water circulation built-in fitting adopts bolted connection's mode, and the field installation of being convenient for shortens engineering cycle.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a connection structure for sea water circulation built-in fitting, its characterized in that, includes foundation ditch lining, lower support ring, cutwater, upper junction plate and lower connecting plate, wherein:
the lining of the foundation pit is of a circular ring-shaped structure;
the foundation pit lining and the lower support ring are coaxially arranged in sequence from top to bottom;
the upper connecting plate is welded on the periphery of the lower end of the foundation pit lining;
the lower connecting plate is welded on the outer periphery of the upper end of the lower support ring;
the diversion angle is vertically arranged, an upper diversion angle connecting plate and a lower diversion angle connecting plate are welded on the side wall of the diversion angle, and the upper diversion angle connecting plate and the lower diversion angle connecting plate are parallel to each other;
the upper diversion angle connecting plate, the upper connecting plate, the lower connecting plate and the lower diversion angle connecting plate are sequentially arranged in a clinging manner from top to bottom;
the upper water diversion angle connecting plate and the upper connecting plate are connected together through a plurality of bolts;
the lower water diversion angle connecting plate and the lower connecting plate are connected together through a plurality of bolts;
the upper connecting plate and the lower connecting plate are connected together through a plurality of bolts.
2. The connection structure for the seawater circulation built-in fitting of claim 1, wherein a plurality of upper connection bolts are arranged on the upper connection plate, a plurality of lower connection bolts are arranged on the lower connection plate, and the plurality of upper connection bolts and the plurality of lower connection bolts are arranged in a one-to-one correspondence.
3. The connection structure for the seawater circulation embedment of claim 2, wherein the upper connection bolts and the corresponding lower connection bolts are connected by nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469210.3U CN210315570U (en) | 2019-04-08 | 2019-04-08 | Connecting structure for seawater circulating embedded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469210.3U CN210315570U (en) | 2019-04-08 | 2019-04-08 | Connecting structure for seawater circulating embedded part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210315570U true CN210315570U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920469210.3U Active CN210315570U (en) | 2019-04-08 | 2019-04-08 | Connecting structure for seawater circulating embedded part |
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| CN (1) | CN210315570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029672A (en) * | 2019-04-08 | 2019-07-19 | 上海阿波罗机械股份有限公司 | A kind of connection structure for seawater circulation built-in fitting |
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2019
- 2019-04-08 CN CN201920469210.3U patent/CN210315570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029672A (en) * | 2019-04-08 | 2019-07-19 | 上海阿波罗机械股份有限公司 | A kind of connection structure for seawater circulation built-in fitting |
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