CN211550539U - Effectual labyrinth ring structure of dustproof sealing - Google Patents
Effectual labyrinth ring structure of dustproof sealing Download PDFInfo
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- CN211550539U CN211550539U CN201921471617.6U CN201921471617U CN211550539U CN 211550539 U CN211550539 U CN 211550539U CN 201921471617 U CN201921471617 U CN 201921471617U CN 211550539 U CN211550539 U CN 211550539U
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- labyrinth
- ring
- resistant layer
- labyrinth ring
- cladding
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Abstract
The utility model discloses a dustproof effectual labyrinth ring structure that seals, including the labyrinth ring body, still include first quiet ring and the quiet ring of second, the inside of labyrinth ring body is provided with the rotating ring subassembly, the rotating ring subassembly comprises recess and rotating ring body, the labyrinth ring body, first quiet ring and the quiet ring of second constitute by the basic unit, high temperature resistant layer, the flame retardant coating, corrosion resistant layer and wearing layer, high temperature resistant layer cladding is at the surface of basic unit, the flame retardant coating cladding is at the surface on high temperature resistant layer, the corrosion resistant layer cladding is at the surface of flame retardant coating, the wearing layer cladding is at the surface of corrosion resistant layer. The utility model discloses a set up the wearing layer and can improve the wearability of this labyrinth ring structure to prevent that this labyrinth ring structure from taking place to produce the gap between the cylinder body of wearing and tearing back and steam turbine in the use, improved the leakproofness and the dustproof effect of this labyrinth ring structure, can improve the corrosion resistance of this labyrinth ring structure through setting up corrosion resistant layer, thereby improve the life of this labyrinth ring structure.
Description
Technical Field
The utility model relates to a labyrinth specifically is a dustproof sealing is effectual labyrinth ring structure.
Background
The steam turbine is a rotating machine which takes steam as power and converts the heat energy of the steam into mechanical work, and is the most widely applied prime mover in modern thermal power plants, the labyrinth ring is one of the more key parts in the steam turbine, and is mainly used for isolating the inside and the outside of the steam turbine, and the labyrinth ring is directly sleeved on a main shaft and fixed on a steam turbine cylinder body during installation, while the existing labyrinth ring is mostly poor in wear resistance, and generates a gap between the labyrinth ring and the cylinder body of the steam turbine after being worn in the using process, so that the sealing property and the dustproof effect between the labyrinth ring and the cylinder body of the steam turbine are poor. Therefore, the labyrinth structure with good dustproof sealing effect is provided by improving the structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a labyrinth ring structure that dustproof sealing is effectual, including the labyrinth ring body, still include first quiet ring and the quiet ring of second, the inside of labyrinth ring body is provided with the rotating ring subassembly, the rotating ring subassembly comprises recess and rotating ring body, labyrinth ring body, first quiet ring and the quiet ring of second constitute by basic unit, high temperature resistant layer, flame retardant coating, corrosion resistant layer and wearing layer, the cladding of high temperature resistant layer is at the surface of basic unit, the surface of flame retardant coating cladding on high temperature resistant layer, the cladding of corrosion resistant layer is at the surface of flame retardant coating, the wearing layer cladding is at the surface of corrosion resistant layer.
As a preferred technical scheme of the utility model, the equal fixed mounting of first quiet ring and the quiet ring of second forms the labyrinth groove at the surface of labyrinth ring body, and between first quiet ring and the quiet ring of second.
As an optimized technical scheme of the utility model, the recess is seted up on the inner wall of labyrinth ring body, the rotating ring body sets up the inside at the recess.
As an optimized technical scheme of the utility model, the basic unit is the rubber substrate.
The utility model has the advantages that: this kind of effectual labyrinth ring structure of dustproof sealing, can improve this labyrinth ring structure's wearability through setting up the wearing layer, thereby prevent this labyrinth ring structure in the use after taking place wearing and tearing and produce the gap between the cylinder body of steam turbine, the leakproofness and the dustproof effect of this labyrinth ring structure have been improved, can improve this labyrinth ring structure's corrosion resistance through setting up corrosion resistant layer, thereby improve this labyrinth ring structure's life, can improve this labyrinth ring structure's fireproofness and high temperature resistance through setting up flame retardant coating and high temperature resistant layer, and then improve the security when this labyrinth ring structure uses.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a labyrinth ring structure with good dust sealing effect;
FIG. 2 is a schematic cross-sectional view of a labyrinth ring structure with a good dustproof sealing effect;
fig. 3 is a schematic structural view of the wear-resistant layer of the labyrinth ring structure of the present invention with good dust sealing effect.
In the figure: 1. a labyrinth ring body; 2. a first stationary ring; 3. a second stationary ring; 4. a groove; 5. a rotating ring body; 6. a base layer; 7. a high temperature resistant layer; 8. a fire barrier layer; 9. a corrosion-resistant layer; 10. and a wear-resistant layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a dustproof sealing effectual labyrinth ring structure, including labyrinth ring body 1, still include first quiet ring 2 and second quiet ring 3, labyrinth ring body 1's inside is provided with the rotating ring subassembly, the rotating ring subassembly comprises recess 4 and rotating ring body 5, labyrinth ring body 1, first quiet ring 2 and second quiet ring 3 are by basic unit 6, high temperature resistant layer 7, flame retardant coating 8, corrosion-resistant layer 9 and wearing layer 10 are constituteed, high temperature resistant layer 7 cladding is at the surface of basic unit 6, the cladding of flame retardant coating 8 is at the surface of high temperature resistant layer 7, the cladding of corrosion-resistant layer 9 is at the surface of flame retardant coating 8, the cladding of wearing layer 10 is at the surface of corrosion-resistant layer 9.
Wherein, the equal fixed mounting of first quiet ring 2 and second quiet ring 3 forms the labyrinth groove at the surface of labyrinth ring body 1 between just first quiet ring 2 and the second quiet ring 3, and the labyrinth groove can produce throttling effect when being passed through by sealing medium, and then reaches the purpose of hindering the hourglass.
Wherein, recess 4 is seted up on the inner wall of labyrinth ring body 1, and rotating ring body 5 sets up in the inside of recess 4, can make rotating ring body 5 take place by sufficient space when thermal expansion through setting up recess 4.
Wherein, the base layer 6 is a rubber base layer.
The during operation, direct cover is on the main shaft and fix on the steam turbine cylinder body during with this labyrinth structure, can accomplish the installation of this labyrinth, can keep apart the steam turbine inside and outside through this labyrinth structure, can improve the wearability of this labyrinth structure through setting up wearing layer 10 in the use, thereby prevent this labyrinth structure in the use after taking place wearing and tearing and produce the gap between the cylinder body of steam turbine, the leakproofness and the dustproof effect of this labyrinth structure have been improved, can improve the corrosion resistance of this labyrinth structure through setting up corrosion-resistant layer 9, thereby improve the life of this labyrinth structure, can improve the fire resistance and the high temperature resistance of this labyrinth structure through setting up flame retardant coating 8 and high temperature resistant layer 7, and then improve the security when this labyrinth structure uses.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; 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 according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a dustproof sealed effectual labyrinth ring structure, includes labyrinth ring body (1), its characterized in that still includes first quiet ring (2) and second quiet ring (3), the inside of labyrinth ring body (1) is provided with the rotating ring subassembly, the rotating ring subassembly comprises recess (4) and rotating ring body (5), labyrinth ring body (1), first quiet ring (2) and second quiet ring (3) by basic unit (6), high temperature resistant layer (7), flame retardant coating (8), corrosion resistant layer (9) and wearing layer (10), the cladding of high temperature resistant layer (7) is at the surface of basic unit (6), the cladding of flame retardant coating (8) is at the surface of high temperature resistant layer (7), the cladding of corrosion resistant layer (9) is at the surface of flame retardant coating (8), the cladding of wearing layer (10) is at the surface of corrosion resistant layer (9).
2. The labyrinth ring structure with good dustproof sealing effect as claimed in claim 1, wherein the first stationary ring (2) and the second stationary ring (3) are both fixedly installed on the outer surface of the labyrinth ring body (1), and a labyrinth groove is formed between the first stationary ring (2) and the second stationary ring (3).
3. The labyrinth ring structure with good dustproof sealing effect as claimed in claim 1, wherein said groove (4) is opened on the inner wall of the labyrinth ring body (1), and said rotating ring body (5) is arranged inside the groove (4).
4. The labyrinth structure with good dustproof sealing effect as claimed in claim 1, wherein said base layer (6) is a rubber base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471617.6U CN211550539U (en) | 2019-09-05 | 2019-09-05 | Effectual labyrinth ring structure of dustproof sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471617.6U CN211550539U (en) | 2019-09-05 | 2019-09-05 | Effectual labyrinth ring structure of dustproof sealing |
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| Publication Number | Publication Date |
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| CN211550539U true CN211550539U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921471617.6U Active CN211550539U (en) | 2019-09-05 | 2019-09-05 | Effectual labyrinth ring structure of dustproof sealing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425287A (en) * | 2019-09-05 | 2019-11-08 | 张家港市众利机电制造有限公司 | A kind of labyrinth ring structure that dust seal effect is good |
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2019
- 2019-09-05 CN CN201921471617.6U patent/CN211550539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425287A (en) * | 2019-09-05 | 2019-11-08 | 张家港市众利机电制造有限公司 | A kind of labyrinth ring structure that dust seal effect is good |
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