CN215215028U - Support is suppressed to nuclear power station steam turbine high discharge safety valve - Google Patents
Support is suppressed to nuclear power station steam turbine high discharge safety valve Download PDFInfo
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- CN215215028U CN215215028U CN202121112749.7U CN202121112749U CN215215028U CN 215215028 U CN215215028 U CN 215215028U CN 202121112749 U CN202121112749 U CN 202121112749U CN 215215028 U CN215215028 U CN 215215028U
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Abstract
The utility model relates to the technical field of mechanical equipment, especially, relate to a support is suppressed to nuclear power station steam turbine high discharge safety valve. Support is suppressed to nuclear power station steam turbine high discharge safety valve, including the support body, the leg joint, the entry is sealed fills up, rubber tube and quick-operation joint: the bracket body comprises an upper round surface, a lower round surface and a supporting column for connecting the upper round surface and the lower round surface; the upper round surface is provided with air holes which penetrate through the upper round surface; the upper surface of the upper circular surface is provided with an inlet sealing gasket; the upper round surface is also provided with a bolt hole; the distance from the edge of the inlet sealing gasket to the edge of the upper circular surface is greater than the distance from the outer edge of the bolt hole to the edge of the upper circular surface; the air hole is connected to the one end of support joint, and the other end connects gradually rubber tube and quick-operation joint. The utility model provides a relief valve is arranged to height because of abnormal shape outward appearance can't place in the problem of suppressing the check-up table, satisfies the demand of carrying out the check of disintegrating on the support simultaneously to reach the effect of practicing thrift jack-up hoist and mount, transit time.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, especially, relate to a support is suppressed to nuclear power station steam turbine high discharge safety valve.
Background
The safety valve uses a special calibration table to carry out fixed value calibration work, and if the safety valve is unqualified, the safety valve needs to be lifted down from the calibration table and transported to an overhaul site for disintegration inspection.
The high relief valve of arranging is limited by the appearance reason, interferes with conventional check-up table from taking the support, so can't directly place and carry out the definite value check-up in the check-up table, and purchase the special check-up table of high relief valve alone economic cost comparatively expensive, and check-up and disintegration inspection work conversion room need go up the crane and assemble, expend time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a support is suppressed to nuclear power station steam turbine high discharge safety valve has solved the high discharge safety valve and can't place in the problem of suppressing the check-up table because of heterotypic outward appearance, satisfies the demand of carrying out disintegration inspection on the support simultaneously to reach the effect of practicing thrift jack-up hoist and mount, transit time.
The utility model provides a support is suppressed to nuclear power station steam turbine high discharge safety valve, including the support body, the support joint, the entry is sealed fills up, rubber tube and quick-operation joint:
the bracket body comprises an upper round surface, a lower round surface and a supporting column for connecting the upper round surface and the lower round surface; the upper round surface is provided with air holes which penetrate through the upper round surface;
an inlet sealing gasket is arranged on the upper surface of the upper circular surface; the upper round surface is also provided with a bolt hole;
the distance from the edge of the inlet sealing gasket to the edge of the upper circular surface is greater than the distance from the outer edge of the bolt hole to the edge of the upper circular surface;
the air hole is connected to the one end of support joint, and the other end connects gradually rubber tube and quick-operation joint.
Preferably, the air hole is a threaded hole, and the diameter of the air hole is 18-21 mm; the support joint is a threaded joint.
Preferably, the center of the upper circular surface is provided with an air hole.
Preferably, the number of the bolt holes is 24, and all the bolt holes are encircled to be circular.
Preferably, the distance from the circle center of the bolt hole to the circle center of the upper circular surface is 225mm, and the diameter of the bolt hole is 30 mm.
Preferably, the centers of the supporting columns are uniformly distributed on a circle which takes the center of the air hole as the center of the circle and has a diameter of 300 mm.
Preferably, the number of the support columns is 5-10.
Preferably, the areas of the upper round surface and the lower round surface are equal, and the diameter of the upper round surface is 520-560 mm; the thickness of the upper round surface is 19-21 mm.
Preferably, the inlet gasket is circular.
Preferably, the diameter of the inlet gasket is 420 mm, and the thickness of the inlet gasket is 4-7 mm.
Compared with the prior art, the utility model discloses a support is suppressed to nuclear power station steam turbine high relief valve has following beneficial effect:
(1) the structure is simple, the assembly and the use are convenient, and the maintenance cost is low;
(2) the manufacturing cost is far lower than that of a special check table for purchasing a high-emission safety valve, and the on-site check requirement can be met;
(3) for traditional platform of suppressing, this support of suppressing satisfies that equipment is direct to carry out disintegration maintenance work on the support, need not to let the jack-up cooperation use hang down from the bench of suppressing. After the disassembly and maintenance are finished, the pressing operation can be directly started, and the maintenance time is saved.
Drawings
FIG. 1 is a front view of a pressure bracket for a high-pressure relief valve of a steam turbine of a nuclear power plant;
FIG. 2 is a top view of a pressure support of a high-exhaust safety valve of a steam turbine of a nuclear power plant;
in the figure:
the support comprises a support body 1, a support joint 2, an inlet sealing gasket 3, a rubber pipe 4, a quick joint 5, an upper round surface 1-1, a lower round surface 1-2, a support column 1-3, an air hole 1-4 and a bolt hole 1-5.
Detailed Description
For further understanding of the present invention, embodiments of the present invention are described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the present invention.
The embodiment of the utility model discloses support is suppressed to nuclear power station steam turbine high relief valve, as shown in fig. 1, including support body 1, leg joint 2, the sealed pad 3 of entry, rubber tube 4 and quick-operation joint 5:
the support body 1 comprises an upper circular surface 1-1, a lower circular surface 1-2 and a support column 1-3 connecting the upper circular surface and the lower circular surface; the upper round surface is provided with air holes 1-4, and the air holes 1-4 penetrate through the upper round surface 1-1;
the upper surface of the upper circular surface 1-1 is provided with an inlet sealing gasket 3; the upper circular surface 1-1 is also provided with bolt holes 1-5;
the distance from the edge of the inlet sealing gasket 3 to the edge of the upper circular surface 1-1 is greater than the distance from the outer edge of the bolt hole 1-5 to the edge of the upper circular surface 1-1;
one end of the support joint 3 is connected with the air holes 1-4, and the other end is sequentially connected with the rubber tube 4 and the quick joint 5.
According to the utility model, the bracket body 1 comprises an upper round surface 1-1, a lower round surface 1-2 and a support column 1-3 connecting the upper round surface and the lower round surface.
The areas of the upper round surface 1-1 and the lower round surface 1-2 are equal, and the diameter of the upper round surface 1-1 is preferably 520-560 mm, and more preferably 550 mm; the thickness of the upper round surface 1-1 is 19-21 mm, and more preferably 20 mm.
The upper round surface 1-1 is provided with air holes 1-4, and the air holes 1-4 penetrate through the upper round surface 1-1;
preferably, the center of the upper circular surface 1-1 is provided with an air hole. The air holes 1-4 are preferably threaded holes, and the diameter of each air hole is preferably 18-21 mm, and more preferably 20 mm; the bracket fitting 4 is preferably a threaded fitting.
As shown in fig. 2, the upper circular surface 1-1 is further provided with bolt holes 1-5;
the number of the bolt holes is 24, and all the bolt holes are encircled to be circular.
The distance from the circle center of the bolt hole to the circle center of the upper circular surface is 225mm, and the diameter of the bolt hole is 30 mm.
The lower circular surface 1-2 is not provided with a threaded hole.
And the upper round surface 1-1 and the lower round surface 1-2 are welded by using a support column 1-3. And 5-10 support columns are arranged on the support column 1-3.
The centers of circles of the supporting columns 1-3 are uniformly distributed on a circle which takes the center of the air hole as the center of circle and has the diameter of 300 mm.
The upper surface of the upper circular surface 1-1 is provided with an inlet sealing gasket 3; the distance from the edge of the inlet sealing gasket 3 to the edge of the upper circular surface 1-1 is greater than the distance from the outer edge of the bolt hole 1-5 to the edge of the upper circular surface 1-1;
the inlet gasket 3 is preferably circular.
The diameter of the inlet gasket 3 is preferably 420 mm, and the thickness is preferably 4-7 mm, and more preferably 5 mm.
In order to further understand the utility model discloses, it is right to combine the embodiment below the utility model provides a support is suppressed to nuclear power station steam turbine high relief valve carries out the detailed description, the utility model discloses a protection scope does not receive the restriction of following embodiment.
Example 1
The utility model provides a support is suppressed to nuclear power station steam turbine high discharge safety valve, includes support body 1, screwed joint 2, the sealed 3 of entry pad, rubber tube 4, quick-operation joint 5.
Placing the inlet gasket 3 in the center of the upper circular surface 1-1;
the diameter of the upper round surface 1-1 is 550mm, the diameter of the central threaded hole 4 is 20mm, and the upper round surface is a circular plate with the thickness of 20 mm;
the lower circular surface 1-2 is not provided with a threaded hole and is a circular plate with the thickness of 20 mm.
The upper and lower circular surfaces are welded by using solid supporting columns 1-3, and the centers of the supporting columns are uniformly distributed on a circle with the center of the central threaded hole as the center and the diameter of 300 mm. The diameter of the bottom surface of the support column is 30mm, and the length is 220 mm.
The inlet sealing gasket 3 is a circular gasket with the diameter of 420 and the thickness of 5 mm;
The distance from the center of the bolt hole to the center of the upper semicircular surface (the radius of the circle where the center of the bolt hole is located) is 225mm, and the diameter of the bolt hole is 30 mm;
connecting the threaded connector 2 and the quick connector 5 to two ends of the rubber pipe 4, fixing by using a clamp, screwing the threaded connector 2 into an air inlet hole of the bracket, and inserting the quick connector at the other end into a loose joint of an air source pipeline;
after the preparation is finished, the high-discharge safety valve is placed on the upper semicircular surface of the pressurizing support and is closed by using a bolt, and then the pressure setting operation can be started. If the pressure is set to be unqualified, the rubber tube does not need to be dismantled when the pressure needs to be disassembled for inspection, and the disassembly inspection work can be carried out on the pressurizing support only by closing the air source.
The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a support is suppressed to nuclear power station steam turbine high discharge safety valve which characterized in that, includes the support body, the support joint, the entry is sealed fills up, rubber tube and quick-operation joint:
the bracket body comprises an upper round surface, a lower round surface and a supporting column for connecting the upper round surface and the lower round surface; the upper round surface is provided with air holes which penetrate through the upper round surface;
an inlet sealing gasket is arranged on the upper surface of the upper circular surface; the upper round surface is also provided with a bolt hole;
the distance from the edge of the inlet sealing gasket to the edge of the upper circular surface is greater than the distance from the outer edge of the bolt hole to the edge of the upper circular surface;
the air hole is connected to the one end of support joint, and the other end connects gradually rubber tube and quick-operation joint.
2. The pressurizing support for the high-exhaust safety valve of the steam turbine of the nuclear power station as claimed in claim 1, wherein the air hole is a threaded hole, and the diameter of the air hole is 18-21 mm; the support joint is a threaded joint.
3. The pressure support for the high-exhaust safety valve of the steam turbine of the nuclear power plant according to claim 2, wherein an air hole is formed in the center of the upper circular surface.
4. The pressure support for the high-exhaust safety valve of the steam turbine of the nuclear power plant according to claim 1, wherein the number of the bolt holes is 24, and all the bolt holes are formed in a circular shape.
5. The pressure support for the high-exhaust safety valve of the steam turbine of the nuclear power station according to claim 1, wherein the distance from the circle center of the bolt hole to the circle center of the upper circular surface is 225mm, and the diameter of the bolt hole is 30 mm.
6. The pressure support for the high exhaust safety valve of the steam turbine of the nuclear power plant as recited in claim 1, wherein the centers of the supporting columns are uniformly distributed on a circle with the center of the air hole as the center and the diameter of 300 mm.
7. The pressure support for the high-exhaust safety valve of the steam turbine of the nuclear power plant according to claim 6, wherein 5 to 10 support columns are provided.
8. The pressure support for the high-exhaust safety valve of the steam turbine of the nuclear power station according to claim 1, wherein the area of the upper round surface is equal to that of the lower round surface, and the diameter of the upper round surface is 520-560 mm; the thickness of the upper round surface is 19-21 mm.
9. The pressure rack for a high-exhaust safety valve of a steam turbine in a nuclear power plant according to claim 1, wherein the inlet gasket is circular.
10. The pressure support for the high-exhaust safety valve of the steam turbine of the nuclear power plant according to claim 9, wherein the diameter of the inlet gasket is 420 mm, and the thickness of the inlet gasket is 4-7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112749.7U CN215215028U (en) | 2021-05-24 | 2021-05-24 | Support is suppressed to nuclear power station steam turbine high discharge safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112749.7U CN215215028U (en) | 2021-05-24 | 2021-05-24 | Support is suppressed to nuclear power station steam turbine high discharge safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215215028U true CN215215028U (en) | 2021-12-17 |
Family
ID=79420719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121112749.7U Active CN215215028U (en) | 2021-05-24 | 2021-05-24 | Support is suppressed to nuclear power station steam turbine high discharge safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215215028U (en) |
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2021
- 2021-05-24 CN CN202121112749.7U patent/CN215215028U/en active Active
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