CN205388148U - Hydraulic turbine main shaft self -lubricating mechanical seal - Google Patents
Hydraulic turbine main shaft self -lubricating mechanical seal Download PDFInfo
- Publication number
- CN205388148U CN205388148U CN201620144003.7U CN201620144003U CN205388148U CN 205388148 U CN205388148 U CN 205388148U CN 201620144003 U CN201620144003 U CN 201620144003U CN 205388148 U CN205388148 U CN 205388148U
- Authority
- CN
- China
- Prior art keywords
- ring
- water
- main shaft
- sealing ring
- sealing liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Sealing Devices (AREA)
Abstract
The utility model relates to a hydraulic turbine technical field, concretely relates to hydraulic turbine main shaft self -lubricating mechanical seal. Set up tapered hood outside the main shaft, the upper end sets up takeovers of intaking in tapered hood, intakes to take over to connect water sealing ring, sets up the seal receptacle in the water sealing ring left side, sets up the connecting seat on the water sealing ring right side, and water sealing ring passes through the connecting seat connection on tapered hood, set up the guide bar at the water sealing ring lower extreme, the water seal inner ring is connected to the guide bar, sets up piston sealing ring on water seal inner ring right side, and piston sealing ring one end sets up intra -annular in the water seal, all sets up O type sealing washer on water sealing ring, water seal inner ring. O type sealing washer while the leak -stopping that weares and teares is promoted by the pressure water, the automatic wearing and tearing of O type sealing washer can be let, the convenient maintenance, easy maintenance must not the shutdown inspection, as long as rubber ring of change. Production efficiency not only can be improved, intensity of labour, long service life can be reduced moreover.
Description
Technical field
This utility model relates to turbine technology field, is specifically related to a kind of hydraulic turbine main shaft self-lubricating mechanical sealing.
Background technology
Hydro-generating Unit be a kind of by the water impact hydraulic turbine thus the clean energy resource generating equipment of drive electrical generators.Hydraulic turbine main shaft sealing is one of critical component of hydro-generating Unit, is arranged on the main shaft rear and front end of the hydraulic turbine, is prevent press water from leaking between rotatable parts (main shaft) and fixing parts, it is to avoid water spills, it is prevented that unit failure, it is ensured that power plant safety.Existing medium and small turbines (below runner diameter 2.0m) is generally adopted filler cartridge seal, mainly utilizes packing or other high-abrasive material radially to press mutually with the wearing ring being enclosed within main shaft, carrys out leakproof seal by Luo bolt to packing pressure and cleaning lubrication water.Its service life is short, often need manually go maintenance shutdown at any time to turn Luo bolt and strengthen friction, not only reduce work efficiency, and labor intensity is big.
Utility model content
The purpose of this utility model is in that to solve the problems referred to above, it is provided that a kind of hydraulic turbine main shaft self-lubricating mechanical sealing, it is possible to solve the problems referred to above.
The technical scheme in the invention for solving the above technical problem is:
A kind of hydraulic turbine main shaft self-lubricating mechanical sealing, including cone-shaped hood, seal receptacle, O RunddichtringO, connect seat, water inlet adapter 5, dewatering cover, main shaft, water seal internal ring, piston packing ring, guide post, ring for the sealing liquid, cone-shaped hood is set outside main shaft, in cone-shaped hood, upper end arranges water inlet adapter, water inlet adapter connects ring for the sealing liquid, arranging seal receptacle on the left of ring for the sealing liquid, arrange connection seat on the right side of ring for the sealing liquid, ring for the sealing liquid is connected on cone-shaped hood by connecting seat；Arranging guide post in ring for the sealing liquid lower end, guide post connects water seal internal ring, arranges piston packing ring on the right side of water seal internal ring, and piston packing ring one end is arranged in water seal internal ring, is respectively provided with O RunddichtringO on ring for the sealing liquid, water seal internal ring.
As the further prioritization scheme of this practicality, in described piston packing ring, the pressure of water is more than or equal to 0.2MPa.
As the further prioritization scheme of this practicality, described O RunddichtringO is made up of polyurethane material.
The beneficial effects of the utility model are:
1, this utility model includes cone-shaped hood, seal receptacle, O RunddichtringO, connection seat, water inlet adapter 5, dewatering cover, main shaft, water seal internal ring, piston packing ring, guide post, ring for the sealing liquid, cone-shaped hood is set outside main shaft, in cone-shaped hood, upper end arranges water inlet adapter, water inlet adapter connects ring for the sealing liquid, seal receptacle is set on the left of ring for the sealing liquid, arranging connection seat on the right side of ring for the sealing liquid, ring for the sealing liquid is connected on cone-shaped hood by connecting seat；Arranging guide post in ring for the sealing liquid lower end, guide post connects water seal internal ring, arranges piston packing ring on the right side of water seal internal ring, and piston packing ring one end is arranged in water seal internal ring, is respectively provided with O RunddichtringO on ring for the sealing liquid, water seal internal ring.Promoted O RunddichtringO wear and tear leak-stopping on one side by press water, it is possible to allow O RunddichtringO automatically wear and tear, facilitate and overhaul, easy to maintenance, not need shutdown inspection, if one rubber ring of replacing.Production efficiency can not only be improved, and labor intensity, long service life can be reduced.
2, in piston packing ring described in the utility model the pressure of water more than or equal to 0.2MPa.Ensure that sealing effectiveness, make O RunddichtringO realize abrasion automatically, increase the service life.
3, O RunddichtringO described in the utility model is made up of polyurethane material.Its intensity, anti tear, the characteristic such as wear-resisting can be improved, increase the service life, reduce production cost.
4, this utility model simple in construction, it is easy to make, be suitable for industrialized production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In figure: 1, cone-shaped hood, 2, seal receptacle, 3, O RunddichtringO, 4, connect seat, 5, water inlet adapter, 6, dewatering cover, 7, main shaft, 8, water seal internal ring, 9, piston packing ring, 10, guide post, 11, ring for the sealing liquid.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail:
As shown in Figure 1, a kind of hydraulic turbine main shaft self-lubricating mechanical sealing described in the utility model, including cone-shaped hood 1, seal receptacle 2, O RunddichtringO 3, connect seat 4, water inlet adapter 5, dewatering cover 6, main shaft 7, water seal internal ring 8, piston packing ring 9, guide post 10, ring for the sealing liquid 11, cone-shaped hood 1 is set outside main shaft 7, in cone-shaped hood 1, upper end arranges water inlet adapter 5, water inlet adapter 5 connects ring for the sealing liquid 11, seal receptacle 2 is set on the left of ring for the sealing liquid 11, arranging connection seat 4 on the right side of ring for the sealing liquid 11, ring for the sealing liquid 11 is connected on cone-shaped hood 1 by connecting seat 4；Arranging guide post 10 in ring for the sealing liquid 11 lower end, guide post 10 connects water seal internal ring 8, arranges piston packing ring 9 on the right side of water seal internal ring 8, and piston packing ring 9 one end is arranged in water seal internal ring 8, is respectively provided with O RunddichtringO 3 on ring for the sealing liquid 11, water seal internal ring 8.Promoted O RunddichtringO 3 wear and tear leak-stopping on one side by press water, it is possible to allow O RunddichtringO 3 automatically wear and tear, facilitate and overhaul, easy to maintenance, not need shutdown inspection, if one rubber ring of replacing.Production efficiency can not only be improved, and labor intensity, long service life can be reduced.In described piston packing ring 9, the pressure of water is more than or equal to 0.2MPa.Ensure that sealing effectiveness, make O RunddichtringO 3 realize automatic abrasion, increase the service life.Described O RunddichtringO 3 is made up of polyurethane material.Its intensity, anti tear, the characteristic such as wear-resisting can be improved, increase the service life, reduce production cost.
It should be noted last that: above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be apparent to an ordinarily skilled person in the art that: still this utility model can be modified or equivalent replacement, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (3)
1. a hydraulic turbine main shaft self-lubricating mechanical sealing, it is characterized in that: include cone-shaped hood, seal receptacle, O RunddichtringO, connection seat, water inlet adapter 5, dewatering cover, main shaft, water seal internal ring, piston packing ring, guide post, ring for the sealing liquid, cone-shaped hood is set outside main shaft, in cone-shaped hood, upper end arranges water inlet adapter, water inlet adapter connects ring for the sealing liquid, arranging seal receptacle on the left of ring for the sealing liquid, arrange connection seat on the right side of ring for the sealing liquid, ring for the sealing liquid is connected on cone-shaped hood by connecting seat；Arranging guide post in ring for the sealing liquid lower end, guide post connects water seal internal ring, arranges piston packing ring on the right side of water seal internal ring, and piston packing ring one end is arranged in water seal internal ring, is respectively provided with O RunddichtringO on ring for the sealing liquid, water seal internal ring.
2. a kind of hydraulic turbine main shaft self-lubricating mechanical sealing according to claim 1, it is characterised in that: in described piston packing ring, the pressure of water is more than or equal to 0.2MPa.
3. a kind of hydraulic turbine main shaft self-lubricating mechanical sealing according to claim 1, it is characterised in that: described O RunddichtringO is made up of polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144003.7U CN205388148U (en) | 2016-02-26 | 2016-02-26 | Hydraulic turbine main shaft self -lubricating mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144003.7U CN205388148U (en) | 2016-02-26 | 2016-02-26 | Hydraulic turbine main shaft self -lubricating mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205388148U true CN205388148U (en) | 2016-07-20 |
Family
ID=56376430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620144003.7U Expired - Fee Related CN205388148U (en) | 2016-02-26 | 2016-02-26 | Hydraulic turbine main shaft self -lubricating mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205388148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266641A (en) * | 2021-06-22 | 2021-08-17 | 韶关市浈江区泉汇水电设备有限公司 | Bearing bush automatic regulating device and bearing bush seat assembly |
-
2016
- 2016-02-26 CN CN201620144003.7U patent/CN205388148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266641A (en) * | 2021-06-22 | 2021-08-17 | 韶关市浈江区泉汇水电设备有限公司 | Bearing bush automatic regulating device and bearing bush seat assembly |
| CN113266641B (en) * | 2021-06-22 | 2023-01-13 | 韶关市浈江区泉汇水电设备有限公司 | Bearing bush automatic regulating apparatus and bearing bush seat assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |