CN109555633A - Disc and hydraulic turbine water pilot bearing - Google Patents
Disc and hydraulic turbine water pilot bearing Download PDFInfo
- Publication number
- CN109555633A CN109555633A CN201910088250.8A CN201910088250A CN109555633A CN 109555633 A CN109555633 A CN 109555633A CN 201910088250 A CN201910088250 A CN 201910088250A CN 109555633 A CN109555633 A CN 109555633A
- Authority
- CN
- China
- Prior art keywords
- disc
- main shaft
- water pilot
- pilot bearing
- main body
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The present invention provides a kind of disc and hydraulic turbine water pilot bearings, are related to hydraulic turbine water pilot bearing technical field of sealing technology, which includes disc main body, fixing piece, fastener and multiple sealing rings；The disc bottom part body is fixed on main shaft by fixing piece, and top is connect by fastener with the main shaft；It is additionally provided with multiple-sealed circle on the contact surface of the disc main body and the main shaft, so that the disc main body and the main shaft is formed sealing surface, seals technical problem not in place to alleviate hydraulic turbine water pilot bearing.
Description
Technical field
The present invention relates to turbine technology field more particularly to a kind of discs and hydraulic turbine water pilot bearing.
Background technique
Hydraulic turbine water pilot bearing generallys use shaftless collar structure, controls the profit that bearing top tank flows into lower fuel tank by oil sealing
Lubricating oil amount of leakage, while lower disc being housed in oil sealing lower part, oil is got rid of into lower fuel tank.The design of this structure is cold for oil circulation
But system effect is significant.
But in actual moving process, due to the structure problem of disc, it is easy to appear poorly sealed, the oily edge in oil groove
The defect that main shaft climbs out of.Meanwhile disc maintenance and mounting process it is complex, installation quality is unable to get effective control.
The water pilot bearing of the prior art is primarily present following defect:
The material of disc is cast aluminium alloy, is equipped with O-ring seal at inner circle and big axis cooperation, when unit operation,
Lower disc the effect of centrifugal force and it is heated in the case where, gap increases between lower disc and big axis, so that O-ring seals
Sealing preload amount reduce, lead to oil leak；
The structure of disc is points 12 to do, and cast aluminium alloy is rigidly poor, and the face of handling seperately can not be tight closing, and gap occurs, make
Obtaining sealant failure leads to oil leak；
The structure of disc is points 12 to do, and maintenance and mounting process are complex, and installation quality is unable to get effective control.
In consideration of it, there is an urgent need to a kind of novel hydraulic turbine water pilot bearings, to be able to solve the above problem.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
The first object of the present invention is to provide a kind of disc, be asked with alleviating above-mentioned technology existing in the prior art
Topic.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of disc provided by the invention, including disc main body, fixing piece, fastener and multiple sealing rings；
The disc bottom part body is fixed on main shaft by fixing piece, and top is connected by fastener and the main shaft
It connects；
It is additionally provided with multiple-sealed circle on the contact surface of the disc main body and the main shaft, makes the disc main body
Sealing surface is formed with the main shaft.
In the above-mentioned technical solutions, further, the fastener uses banding steel band, and the disc main body passes through institute
It states banding steel band and ties up and be located on the main shaft.
In any of the above-described technical solution, further, the fixing piece is filler ring, and the filler ring is fixedly installed in institute
It states on main shaft.
In any of the above-described technical solution, further, the disc bottom part body is fixedly mounted by combined screw
On filler ring.
In any of the above-described technical solution, further, the disc main body is made of polyurethane material.
In any of the above-described technical solution, further, the sealing ring uses O-ring.
Of the invention second is to provide a kind of hydraulic turbine water pilot bearing, to alleviate above-mentioned skill existing in the prior art
Art problem.
The present invention provides a kind of hydraulic turbine water pilot bearing, including water pilot bearing watt, lower fuel tank and the disc；
The water pilot bearing watt is installed on the main shaft and being formed between the main shaft can be such that lubricating oil flows through
Gap；
The lower fuel tank is installed on the main shaft；
The water pilot bearing watt is located above the oil inlet of the disc main body, and the lower fuel tank is located at the disc
Below the oil outlet of main body；
Fuel feeding endless tube is provided on the water pilot bearing watt.
In any of the above-described technical solution, further, it is additionally provided on the lower fuel tank for preventing lubricating oil splash
Oil baffle onto the main shaft.
It further include the labyrinth ring being installed on the main shaft, the labyrinth further in any of the above-described technical solution
Ring is located at the water pilot bearing watt bottom, and is fixedly connected with the lower fuel tank.
It further include the support of bearing further, the support of bearing is connected to the water in any of the above-described technical solution
Adjustment block is provided on guide bearing and on the support of bearing.
The invention has the benefit that
A kind of disc provided by the invention, including disc main body, fixing piece, fastener and multiple sealing rings；It is described
Disc bottom part body is fixed on main shaft by fixing piece, and top is connect by fastener with the main shaft；The disc
It is additionally provided with multiple-sealed circle on the contact surface of main body and the main shaft, the disc main body and the main shaft is formed and seals
Face.
Fixing piece is fixedly mounted on main shaft, and lower part disc main body is fixed on fixing piece, and fastener is fastened on lower part
It is fixed on main shaft in disc main body, sealing surface is tight closing, and effectively prevent leaking, more in the disc main body of lower part
A sealing ring and main shaft form sealing surface, enhance the reliable shape and stability of sealing, to get rid of oil by fastener and fixing piece
Good seal between ring main body and main shaft, for the existing structure compared to 12 valves, structure is simple, easy for installation.
The present invention also provides a kind of hydraulic turbine water pilot bearings, including water pilot bearing watt, lower fuel tank and the disc；Institute
Water pilot bearing watt is stated to be installed on the main shaft and form the gap that lubricating oil can be made to flow through between the main shaft；Under described
Fuel tank is installed on the main shaft；The water pilot bearing watt is located above the oil inlet of the disc main body, the lower fuel tank
Below the oil outlet of the disc main body；Fuel feeding endless tube is provided on the water pilot bearing watt.
It should be noted that the structure of disc and the beneficial effect of generation have been elaborated above-mentioned, so herein
It repeats no more.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of hydraulic turbine water pilot bearing provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of disc provided in an embodiment of the present invention；
Fig. 3 is the K of the notch of the disc provided in an embodiment of the present invention based on Fig. 2 to structural schematic diagram.
Icon:
1- disc；11- disc main body；12- sealing ring；13- banding steel band；14- filler ring；15- combined screw；16-
Notch；2- adjustment block；3- water pilot bearing watt；The 4- support of bearing；5- labyrinth ring；6- oil baffle；Fuel tank under 7-；8- fuel feeding endless tube；
9- main shaft.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
As shown in Fig. 2-Fig. 3, a kind of disc 1 provided in this embodiment, including disc main body 11, fixing piece, fastening
Part and multiple sealing rings 12；11 bottom of disc main body is fixed on main shaft 9 by fixing piece, top by fastener with
The main shaft 9 connects；It is additionally provided with multiple-sealed circle 12 on the disc main body 11 and the contact surface of the main shaft 9, makes institute
It states disc main body 11 and the main shaft 9 forms sealing surface.
Fixing piece is fixedly mounted on main shaft 9, and lower part disc main body 11 is fixed on fixing piece, and fastener is fastened on down
It is fixed on main shaft 9 in portion's disc main body 11, sealing surface is tight closing, and effectively prevent leaking, lower part disc main body
Multiple sealing rings 12 and main shaft 9 on 11 form sealing surface, enhance the reliable shape and stability of sealing, pass through fastener and fixation
Part makes good seal between disc main body 11 and main shaft 9, and for the existing structure compared to 12 valves, structure is simple, installation
It is convenient.
In the optinal plan of the present embodiment, the fastener uses banding steel band 13, and the disc main body 11 passes through institute
It states banding steel band 13 and ties up and be located on the main shaft 9.11 outer circle of disc main body is configured with the banding structure of several segments steel band composition,
Tensional state is in when installation, even if being still in tensioned state after expanded by heating.
The lower part disc main body 11 is whole circle shaping by stock removal, for 16 structure of notch, outside can be used convenient for in-site installation
Using banding steel band 13 by its banding on main shaft 9, fastening part is using anti-loose structure and considers the influence of centrifugal force, sealing surface
It is tight closing, it effectively prevent leaking.
In the optinal plan of the present embodiment, the fixing piece is filler ring 14, and the filler ring 14 is fixedly installed in the master
On axis 9.
In the optinal plan of the present embodiment, 11 bottom of disc main body is fixedly mounted on filler ring by combined screw 15
On 14.
In the optinal plan of the present embodiment, the disc main body 11 is made of polyurethane material.
In the optinal plan of the present embodiment, the sealing ring 12 uses O-ring.
Embodiment two
On the basis of example 1, as shown in Figure 1, the present embodiment also provides a kind of hydraulic turbine water pilot bearing, including water
Guide bearing 3, lower fuel tank 7 and the disc 1；The water pilot bearing watt 3 be installed on the main shaft 9 and with the main shaft
The gap that lubricating oil can be made to flow through is formed between 9；The lower fuel tank 7 is installed on the main shaft 9；The water pilot bearing watt 3
Above the oil inlet of the disc main body 11, the lower fuel tank 7 is located at below the oil outlet of the disc main body 11；
Fuel feeding endless tube 8 is provided on the water pilot bearing watt 3.
Working principle: having a gap between water pilot bearing watt 3 and main shaft 9, when work, top lubricating oil is through gap along main shaft 9
It flows down, by disc 1, lubricating oil is got rid of into lower fuel tank 7.
It should be noted that the structure of disc 1 and the beneficial effect of generation have been elaborated above-mentioned, so herein
It repeats no more.
In the optinal plan of the present embodiment, it is additionally provided on the lower fuel tank 7 for preventing lubricating oil splash to the master
Oil baffle 6 on axis 9.
It further include the labyrinth ring 5 being installed on the main shaft 9 in the optinal plan of the present embodiment, the labyrinth ring 5 is located at
3 bottom of water pilot bearing watt, and be fixedly connected with the lower fuel tank 7.
It further include the support of bearing 4 in the optinal plan of the present embodiment, the support of bearing 4 is connected to the water pilot bearing
Adjustment block 2 is provided on watts 3 and on the support of bearing 4.
In addition, the hydraulic turbine water pilot bearing further includes other structures, but it is disclosed as the prior art, so
This is repeated no more.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of disc, which is characterized in that including disc main body, fixing piece, fastener and multiple sealing rings；
The disc bottom part body is fixed on main shaft by fixing piece, and top is connect by fastener with the main shaft；
It is additionally provided with multiple-sealed circle on the contact surface of the disc main body and the main shaft, makes the disc main body and institute
It states main shaft and forms sealing surface.
2. disc according to claim 1, which is characterized in that the fastener uses banding steel band, the disc
Main body is tied up by the banding steel band and is located on the main shaft.
3. disc according to claim 1, which is characterized in that the fixing piece is filler ring, and the filler ring fixes peace
Loaded on the main shaft.
4. disc according to claim 3, which is characterized in that the disc bottom part body is fixed by combined screw
It is mounted on filler ring.
5. disc according to claim 1 or 4, which is characterized in that the disc main body uses polyurethane material system
At.
6. disc according to claim 1, which is characterized in that the sealing ring uses O-ring.
7. a kind of hydraulic turbine water pilot bearing, which is characterized in that including water pilot bearing watt, lower fuel tank and as claim 1-6 is any
Disc described in；
The water pilot bearing watt is installed on the main shaft and forms the gap that lubricating oil can be made to flow through between the main shaft；
The lower fuel tank is installed on the main shaft；
The water pilot bearing watt is located above the oil inlet of the disc main body, and the lower fuel tank is located at the disc main body
Oil outlet below；
Fuel feeding endless tube is provided on the water pilot bearing watt.
8. hydraulic turbine water pilot bearing according to claim 7, which is characterized in that be additionally provided on the lower fuel tank for preventing
The only oil baffle on lubricating oil splash to the main shaft.
9. hydraulic turbine water pilot bearing according to claim 7, which is characterized in that further include the fan being installed on the main shaft
Gong Huan, the labyrinth ring is located at the water pilot bearing watt bottom, and is fixedly connected with the lower fuel tank.
10. hydraulic turbine water pilot bearing according to claim 7, which is characterized in that it further include the support of bearing, the bearing branch
Frame is connected to the water pilot bearing watt above and is provided with adjustment block on the support of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088250.8A CN109555633A (en) | 2019-01-29 | 2019-01-29 | Disc and hydraulic turbine water pilot bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088250.8A CN109555633A (en) | 2019-01-29 | 2019-01-29 | Disc and hydraulic turbine water pilot bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555633A true CN109555633A (en) | 2019-04-02 |
Family
ID=65873947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088250.8A Pending CN109555633A (en) | 2019-01-29 | 2019-01-29 | Disc and hydraulic turbine water pilot bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555633A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940394A (en) * | 1988-10-18 | 1990-07-10 | Baker Hughes, Inc. | Adjustable wearplates rotary pump |
| CA2629215A1 (en) * | 2007-07-13 | 2009-01-13 | Trico Corporation | Flinger disc |
| CN101832393A (en) * | 2010-04-19 | 2010-09-15 | 何孝明 | Vertical shaft centrifugal seal system |
| CN202520469U (en) * | 2012-03-30 | 2012-11-07 | 中国长江三峡集团公司 | Oil slinger of water guide bearing of water turbine |
| CN204476842U (en) * | 2015-03-03 | 2015-07-15 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Oil sealing assisted by water injection pump bearing shell |
| CN104879478A (en) * | 2015-06-24 | 2015-09-02 | 北京北方车辆集团有限公司 | Sealing device of amphibious track-laying vehicle side speed reducer |
| CN207245916U (en) * | 2017-07-12 | 2018-04-17 | 国电大渡河枕头坝发电有限公司 | A kind of water blocking coil structures of main shaft of vertical water turbine |
| CN207539200U (en) * | 2017-10-18 | 2018-06-26 | 韶关市创力机械有限公司 | New type sealing device |
| CN209510511U (en) * | 2019-01-29 | 2019-10-18 | 广州宝力特密封技术有限公司 | Disc and hydraulic turbine water pilot bearing |
-
2019
- 2019-01-29 CN CN201910088250.8A patent/CN109555633A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940394A (en) * | 1988-10-18 | 1990-07-10 | Baker Hughes, Inc. | Adjustable wearplates rotary pump |
| CA2629215A1 (en) * | 2007-07-13 | 2009-01-13 | Trico Corporation | Flinger disc |
| CN101832393A (en) * | 2010-04-19 | 2010-09-15 | 何孝明 | Vertical shaft centrifugal seal system |
| CN202520469U (en) * | 2012-03-30 | 2012-11-07 | 中国长江三峡集团公司 | Oil slinger of water guide bearing of water turbine |
| CN204476842U (en) * | 2015-03-03 | 2015-07-15 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Oil sealing assisted by water injection pump bearing shell |
| CN104879478A (en) * | 2015-06-24 | 2015-09-02 | 北京北方车辆集团有限公司 | Sealing device of amphibious track-laying vehicle side speed reducer |
| CN207245916U (en) * | 2017-07-12 | 2018-04-17 | 国电大渡河枕头坝发电有限公司 | A kind of water blocking coil structures of main shaft of vertical water turbine |
| CN207539200U (en) * | 2017-10-18 | 2018-06-26 | 韶关市创力机械有限公司 | New type sealing device |
| CN209510511U (en) * | 2019-01-29 | 2019-10-18 | 广州宝力特密封技术有限公司 | Disc and hydraulic turbine water pilot bearing |
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