CN211371481U - Small-size pipeline bracket of nuclear power station - Google Patents
Small-size pipeline bracket of nuclear power station Download PDFInfo
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- CN211371481U CN211371481U CN201921914055.8U CN201921914055U CN211371481U CN 211371481 U CN211371481 U CN 211371481U CN 201921914055 U CN201921914055 U CN 201921914055U CN 211371481 U CN211371481 U CN 211371481U
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Abstract
The utility model discloses a nuclear power station small-size pipeline bracket, it includes: the top of the lower part is provided with a semi-cylindrical first perforation hole; the bottom of the upper part is provided with a semi-cylindrical second perforated hole corresponding to the first perforated hole; and the fastener detachably installs the upper part on the lower part, and the first pipe penetrating hole and the second pipe penetrating hole jointly receive the small-size pipeline. Compared with the prior art, the small-size pipeline bracket of the nuclear power station has the advantages of small occupied space, no complex machined part, simple structure, quick assembly and disassembly on site, and greatly reduced installation workload; the support structure is relatively uniform, batch production can be realized, the purchasing cost is reduced, the supply period is shortened, complete purchasing is facilitated, and on-site secondary processing is reduced or basically avoided; the structure size is unified and simple structure, and the part availability ratio that dismantles after the design change is high, reduces the waste material volume that the change leads to.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power, more specifically say, the utility model relates to a nuclear power station small-size pipeline bracket.
Background
In a nuclear power station, the number of small-sized pipelines (nominal size is less than or equal to 2 inches) is large, the arrangement is dense, and frequent change and adjustment are often needed in the design and installation process.
The functional requirements of the small-size pipeline support are relatively uniform, and the support with the functions of sliding, axial guiding and three-way limiting is commonly used. However, the existing small-size pipeline support has the problems of high difference of support composition structures, complex structure and difficult field installation, and the purchasing and installation cost is high and the period is long due to the sliding function, the guiding function and the limiting function of the existing small-size pipeline support.
In view of this, it is necessary to provide a small-sized pipeline bracket for a nuclear power plant, which has a simple structure and is convenient to install.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: the defect of the prior art is overcome, and the small-size pipeline bracket of the nuclear power station, which has a simple structure and is convenient to install, is provided.
In order to achieve the above object, the present invention provides a small-sized pipeline bracket for a nuclear power plant, which includes:
the top of the lower part is provided with a semi-cylindrical first perforation hole;
the bottom of the upper part is provided with a semi-cylindrical second perforated hole corresponding to the first perforated hole; and
and the fastener is used for detachably mounting the upper part on the lower part, and the first pipe penetrating hole and the second pipe penetrating hole jointly receive the small-size pipeline.
As the utility model discloses a nuclear power station small-size pipeline bracket's an improvement, upper portion spare both sides are equipped with the mounting hole respectively, the both sides correspondence of lower part is equipped with the screw hole, and upper portion spare is through installing the bolt fastening in mounting hole and screw hole in on the lower part.
As an improvement of the small-sized pipeline bracket of the nuclear power station, the bolt is a hexagon head bolt.
As the utility model discloses a nuclear power station small-size pipeline bracket's an improvement, the length of hexagon head bolt satisfies effectively to mesh with the screw hole under corresponding load.
As an improvement of the small-sized pipeline bracket of the nuclear power station, the bolt is provided with a stop washer between the upper part.
As the utility model discloses the small-size pipeline bracket of nuclear power station's an improvement, the lock washer is ears lock washer.
As an improvement of the small-sized pipeline bracket of the nuclear power station, the height of the upper part and the lower part and/or the aperture of the first through hole and the second through hole are adjustable.
As an improvement of the small-sized pipeline bracket of the nuclear power station, the first perforated hole, the second perforated hole are matched with the shape of the pipeline.
As an improvement of the small-sized pipeline bracket of the nuclear power station, the upper part and the lower part are cuboid block structures.
As an improvement of the small-sized pipeline bracket of the nuclear power station, the nominal size of the pipeline is less than or equal to 2 inches.
Compared with the prior art, the utility model discloses nuclear power station small-size pipeline bracket has following advantage:
1) the small-size pipeline bracket of the nuclear power station occupies small space, has no complex machined parts, has a simple structure, can be quickly disassembled and assembled on site, and greatly reduces the installation workload; the support structure is relatively uniform, batch production can be realized, the purchasing cost is reduced, the supply period is shortened, complete purchasing is facilitated, and on-site secondary processing is reduced or basically avoided; the structure size is uniform, the structure is simple, the availability of the disassembled parts after the design change is high, and the waste amount caused by the change is reduced;
2) the rooting positions with the functions of sliding, guiding and limiting are relatively uniform, so that more flexibility is created for design change and field adjustment; only one rooting position with the guiding and limiting functions is needed, so that the use of profile steel and embedded parts can be effectively reduced; the sliding function has no welding seam, and the guiding and limiting functions only need one welding seam, so that the welding workload is effectively reduced;
3) the structure has a large bearing range and a wider application range; the structure can bear a large margin, and can effectively reduce the change of the support structure caused by pipeline load.
Drawings
The following detailed description of the small-size pipeline bracket of the nuclear power station and the technical effects thereof are described in detail with reference to the accompanying drawings and the specific embodiments, wherein:
fig. 1 is the utility model discloses small-size pipeline bracket's of nuclear power station decomposition schematic diagram.
Fig. 2 is the utility model discloses the use schematic diagram of nuclear power station small-size pipeline bracket.
Fig. 3 is the utility model discloses nuclear power station small-size pipeline bracket's schematic structure view.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and not limitation.
Referring to fig. 1 to 3, the utility model provides a small-size pipeline bracket for a nuclear power station, which comprises:
a lower member 10 having a semi-cylindrical first perforated hole 100 formed at the top thereof, the first perforated hole 100 having a size matched with the outer diameter of a pipe to be passed therethrough;
an upper member 20 having a semi-cylindrical second perforated hole 200 at the bottom thereof corresponding to the first perforated hole 100, the second perforated hole 200 having a size matching the outer diameter of a pipe therethrough; and
and a fastener 30 for detachably mounting the upper member 20 to the lower member 10, the first and second perforated holes 100 and 200 receiving a small-sized pipe together.
The upper component 20 is in a rectangular parallelepiped block shape, and mounting holes 202 penetrating through the upper component 20 are respectively formed at both sides of the upper component, and the mounting holes 202 are through holes and do not need to be threaded. The lower member 10 has a rectangular parallelepiped block shape, and threaded holes 102 are respectively formed at both sides of the lower member, and the threaded holes 102 are aligned with the mounting holes 202. The type and the size diameter of the threaded hole 102 are determined according to the type of a threaded bolt, the length of the threaded hole can be determined according to the length of the threaded bolt, and effective meshing of the threads of the threaded bolt needs to be guaranteed. The upper member 20 is detachably fastened to the lower member 10 by bolts fitted in the screw holes 102.
In the illustrated embodiment, the bolt is a hexagon head bolt, the type of the hexagon head bolt is determined according to the bearing condition of the bracket, a standard hexagon head thread is generally selected, and the length of the hexagon head bolt can ensure the effective meshing length under corresponding load. In the illustrated embodiment, a stop washer 40, such as a binaural stop washer, is mounted between the hex head bolt and the upper member 20, the size of the stop washer 40 being determined according to the hex head bolt size.
It should be noted that, according to an embodiment of the present invention, the nominal size of the small-sized pipeline is less than or equal to 2 inches.
Referring to fig. 3 in particular, the support function and the implementation method of the small-sized pipeline support of the nuclear power plant of the present invention are as follows:
the sliding function is as follows: in the figure 3, the dimension of phi D is set to be in zero clearance fit with the outer diameter of the pipeline, the phi D can bear sliding friction load through a pre-tightening bolt, and the pre-tightening force is calculated through a mechanical design manual;
limiting function: the structure of the bracket is completely consistent with the sliding function, the lower part 10 is welded to a rooting point, the bolt is pre-tightened, so that the static friction load between the contact surfaces of the pipeline and the pipe clamp can be borne, and the pre-tightening force is calculated through a mechanical design manual;
the guiding function is as follows: by screwing the bolts, the dimension of D is slightly larger than the outer diameter of the pipeline, so that a clearance of about 2mm is reserved in the diameter direction, the lower part 10 is welded to a rooting point for fixing, the bolts are screwed, and the rest structures are consistent with the sliding functional support.
In order to achieve the above functions, the heights of the upper member 20 and the lower member 10 and/or the diameters of the first perforated hole 100 and the second perforated hole 200 may be adjusted according to actual needs.
Combine above to the detailed description of the embodiment of the utility model can see that, for prior art, the utility model discloses small-size pipe support of nuclear power station has following advantage:
1) the small-size pipeline bracket of the nuclear power station occupies small space, has no complex machined parts, has a simple structure, can be quickly disassembled and assembled on site, and greatly reduces the installation workload; the support structure is relatively uniform, batch production can be realized, the purchasing cost is reduced, the supply period is shortened, complete purchasing is facilitated, and on-site secondary processing is reduced or basically avoided; the structure size is uniform, the structure is simple, the availability of the disassembled parts after the design change is high, and the waste amount caused by the change is reduced;
2) the rooting positions with the functions of sliding, guiding and limiting are relatively uniform, so that more flexibility is created for design change and field adjustment; only one rooting position with the guiding and limiting functions is needed, so that the use of profile steel and embedded parts can be effectively reduced; the sliding function has no welding seam, and the guiding and limiting functions only need one welding seam, so that the welding workload is effectively reduced;
3) the structure has a large bearing range and a wider application range; the structure can bear a large margin, and can effectively reduce the change of the support structure caused by pipeline load.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A small-size pipeline bracket for a nuclear power plant is characterized by comprising:
the top of the lower part is provided with a semi-cylindrical first perforation hole;
the bottom of the upper part is provided with a semi-cylindrical second perforated hole corresponding to the first perforated hole; and
and the fastener is used for detachably mounting the upper part on the lower part, and the first pipe penetrating hole and the second pipe penetrating hole jointly receive the small-size pipeline.
2. The small-sized pipeline bracket for nuclear power plant as claimed in claim 1, wherein the upper member is provided with mounting holes at both sides thereof, the lower member is correspondingly provided with screw holes at both sides thereof, and the upper member is fastened to the lower member by bolts fitted into the mounting holes and the screw holes.
3. The nuclear power plant small-size pipeline bracket according to claim 2, wherein the bolts are hexagon head bolts.
4. The nuclear power plant small-size pipeline bracket according to claim 3, wherein the length of the hexagon head bolt is sufficient to be effectively engaged with the threaded hole under a corresponding load.
5. The nuclear power plant small-sized pipe rack according to claim 2, wherein a stop washer is installed between the bolt and the upper member.
6. The nuclear power plant small scale pipeline rack of claim 5, wherein the stop washer is a binaural stop washer.
7. The nuclear power plant small-size pipeline bracket according to any one of claims 1 to 6, wherein the heights of the upper component and the lower component and/or the diameters of the first through hole and the second through hole are adjustable.
8. The nuclear power plant small-size pipe rack according to any one of claims 1 to 6, wherein the first and second perforated holes match a shape of the pipe.
9. The nuclear power plant small-size pipeline bracket according to any one of claims 1 to 6, wherein the upper member and the lower member are each a rectangular parallelepiped block-shaped structure.
10. The nuclear power plant small-sized pipeline bracket according to any one of claims 1 to 6, wherein the nominal size of the pipeline is less than or equal to 2 inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914055.8U CN211371481U (en) | 2019-11-07 | 2019-11-07 | Small-size pipeline bracket of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914055.8U CN211371481U (en) | 2019-11-07 | 2019-11-07 | Small-size pipeline bracket of nuclear power station |
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| Publication Number | Publication Date |
|---|---|
| CN211371481U true CN211371481U (en) | 2020-08-28 |
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| CN201921914055.8U Active CN211371481U (en) | 2019-11-07 | 2019-11-07 | Small-size pipeline bracket of nuclear power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418052A (en) * | 2021-06-01 | 2021-09-21 | 深圳中广核工程设计有限公司 | Design method of small pipe bracket |
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2019
- 2019-11-07 CN CN201921914055.8U patent/CN211371481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418052A (en) * | 2021-06-01 | 2021-09-21 | 深圳中广核工程设计有限公司 | Design method of small pipe bracket |
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