CN108979933A - The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely - Google Patents
The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely Download PDFInfo
- Publication number
- CN108979933A CN108979933A CN201810770369.9A CN201810770369A CN108979933A CN 108979933 A CN108979933 A CN 108979933A CN 201810770369 A CN201810770369 A CN 201810770369A CN 108979933 A CN108979933 A CN 108979933A
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- CN
- China
- Prior art keywords
- sealing device
- seal receptacle
- hydraulic turbine
- permanent magnetism
- hole
- 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.)
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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
- F03B11/006—Sealing 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses the complete permanent magnetism water oil hanging sealing devices for reducing hydraulic turbine coefficient of friction, the sealing device arranged from top to down including main shaft and centered on main shaft, the sealing device includes the sealing change for being arranged in main shaft and determining position, the rubber seal and seal receptacle that sequence is arranged downwards, fixed cylinder is socketed with outside the seal receptacle, the inner sidewall of the fixed cylinder is fixedly connected with positioning ring flat-plate corresponding with seal receptacle, the upper end of the seal receptacle symmetrically opens up the through-hole there are two L-shaped structure, the vertical portion of the through-hole is connected with telescopic rod by ball bearing rotational, the upper end of the telescopic rod is stretched out outside through-hole, and it is fixedly connected with switch block, the upper end of the seal receptacle offers fixing groove corresponding with switch block.The present invention is easy to use convenient for the dismounting to seal receptacle.
Description
Technical field
The present invention relates to turbine technology fields, more particularly to reduce the permanent magnetism water oil hanging of hydraulic turbine coefficient of friction completely
Sealing device.
Background technique
The hydraulic turbine is the dynamic power machine for the energy of water flow being converted to rotating mechanical energy, it belongs to the turbine in fluid machinery
It is mechanical.Before and after B.C. 100 years, there have been the blanks of the hydraulic turbine for China --- water wheels, for irrigating by lifting water to a higher level with a water pump, etc. and driving grain
Operated implement.The modern hydraulic turbine is then most of to be mounted in power station, is used to driven generator and is generated electricity.In power station, upstream
Water in reservoir guides the hydraulic turbine into through aqueduct, pushes rotary wheel of water turbine rotation, drives electrical power generators.The water for finishing function then leads to
Cross tail water pipeline row downstream.Head is higher, flow is bigger, and the output power of the hydraulic turbine is also bigger.
For the turbine-generator units of hydroelectric station operation, the main function of operation sealing device of water turbine spindle is sealing
Leak in unit operation below main shaft, well known technology are to generally use a kind of piston type rubber operated with pressure water now
Ring seal device is sealed, three main components of sealing device are sealing change, rubber seal and seal receptacle, existing skill respectively
The fixation of seal receptacle is needed all to be inconvenient when dismounting seal receptacle, additionally using a large amount of screw in art
Consume more labour.And coefficient of friction is very high, or even seriously destroys main shaft.
Summary of the invention
The purpose of the present invention is to solve in the prior art need the fixation of seal receptacle using a large amount of screw, right
It is all inconvenient when seal receptacle is dismounted, it is additional the problem of consuming more labour, and rub to reduce machinery
Wipe the permanent magnetism water oil hanging sealing device for the complete reduction hydraulic turbine coefficient of friction that power extends the main shaft service life, and proposes.
To achieve the goals above, present invention employs following technical solutions:
Completely reduce hydraulic turbine coefficient of friction permanent magnetism water oil hanging sealing device, including main shaft and centered on main shaft from
The sealing device of upper and lower arrangement, the sealing device include being arranged in main shaft to determine the sealing change of position, the downward cloth of sequence
The rubber seal and seal receptacle set, the seal receptacle are socketed with fixed cylinder outside, and the inner sidewall of the fixed cylinder is fixedly connected with
Positioning ring flat-plate corresponding with seal receptacle, the upper end of the seal receptacle symmetrically open up the through-hole there are two L-shaped structure, the through-hole
Vertical portion is connected with telescopic rod by ball bearing rotational, and the upper end of the telescopic rod is stretched out outside through-hole, and is fixedly connected with and is turned
Block, the upper end of the seal receptacle offer fixing groove corresponding with switch block, and the telescopic rod is located at the fixed company in one end in through-hole
It is connected to the first drive bevel gear, bull stick is connected with by ball bearing rotational in the horizontal part of the through-hole, the one of the bull stick
End is fixedly connected with the first follow bevel gear engaged with the first drive bevel gear, and the uniform fixing sleeve of bar wall of the bull stick is connected to
Multiple second drive bevel gears, the side wall of the seal receptacle be uniformly provided with it is multiple be connected to through-hole, and with the second active helical teeth
Take turns corresponding through slot, screw rod be connected with by ball bearing rotational in the through slot, one end of the screw rod be fixedly connected with and
Second follow bevel gear of the second drive bevel gear engagement, the other end of the screw rod is threaded with limit barrel, described solid
The inner sidewall of safety barrel offers limiting slot corresponding with limit barrel.
Preferably, the sidewall symmetry of the switch block is fixedly connected there are two fixture block, and the inner sidewall of the fixing groove offers
The card slot to match with fixture block.
Preferably, the outer wall of the limit barrel is symmetrically fixedly connected there are two position limiting slide block, and the inner wall of the through slot is opened
Equipped with the limit sliding chutes to match with position limiting slide block.
Preferably, the specific material of the limit barrel is that stainless steel permanent magnetism mutually draws gapless.
Preferably, the inner wall of the fixing groove is fixed with one layer of damped rubber ring.
Preferably, the upper end of the positioning ring flat-plate is fixed with the one layer of high carbon fiber that blocks water.
Compared with prior art, the present invention provides the complete permanent magnetism water oil hangings for reducing hydraulic turbine coefficient of friction to seal dress
Set, have it is following the utility model has the advantages that
1, the permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction completely, will by the positioning ring flat-plate being equipped with
Seal receptacle is placed on positioning ring flat-plate, and then is connected in fixed cylinder, switch block is pulled out outside fixing groove, and rotate switch block,
Switch block drives telescopic rod rotation, and telescopic rod drives the rotation of the first drive bevel gear, driven using the first drive bevel gear and first
Helical gear engagement drives bar rotation, and then drives the rotation of the second drive bevel gear, using the second drive bevel gear with
The engagement of second follow bevel gear drives screw rod rotation, and screw rod is recycled to make to limit with the threaded connection effect for limiting barrel
Barrel removes outside through slot, and then engages limit barrel with limiting slot, can be fixed on what seal receptacle consolidated in fixed cylinder, and
Switch block is rotated backward when needing to unlock to unlock, convenient for the use of people.Dynamic and static circle closing, rubbing surface are adopted
With high carbon fibre material, main shaft is not contacted, main shaft is lossless
2, the permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction completely, passes through the fixture block and card slot being equipped with
Cooperation can by switch block consolidate be fixed in fixing groove, preferably avoid switch block by extraneous factor influenced generate rotation
And influence seal receptacle firm the problem of placing.
And be not directed to part in the device and be the same as those in the prior art or can be realized by using the prior art, the present invention
Convenient for the dismounting to seal receptacle, good seal performance is easy to use.
Detailed description of the invention
Fig. 1 is that the structure of the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction proposed by the present invention is shown
It is intended to；
Fig. 2 is the telescopic rod of the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction proposed by the present invention
The structural schematic diagram being connect with bull stick；
Fig. 3 be it is proposed by the present invention it is complete reduce hydraulic turbine coefficient of friction permanent magnetism water oil hanging sealing device bull stick with
The structural schematic diagram of screw rod connection.
In figure: 1 main shaft, 2 sealing changes, 3 rubber seal, 4 seal receptacles, 5 fixed cylinders, 6 positioning ring flat-plates, 7 through-holes, 8 are stretched
Contracting bar, 9 switch blocks, 10 fixing grooves, 11 first drive bevel gears, 12 bull sticks, 13 first follow bevel gears, 14 second active helical teeth
Wheel, 15 through slots, 16 screw rods, 17 second follow bevel gears, 18 limit barrels, 19 limiting slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, completely reduce hydraulic turbine coefficient of friction permanent magnetism water oil hanging sealing device, including main shaft 1 and with
The sealing device arranged from top to down centered on main shaft 1, sealing device include be arranged in main shaft 1 determine position sealing change 2,
The rubber seal 3 and seal receptacle 4 that sequence is arranged downwards, seal receptacle 4 are socketed with fixed cylinder 5 outside, and the inner sidewall of fixed cylinder 5 is fixed
It is connected with positioning ring flat-plate 6 corresponding with seal receptacle 4, the upper end of seal receptacle 4 symmetrically opens up the through-hole 7 there are two L-shaped structure, through-hole
7 vertical portion is connected with telescopic rod 8 by ball bearing rotational, and the upper end of telescopic rod 8 is stretched out outside through-hole 7, and is fixedly connected with
Switch block 9, the upper end of seal receptacle 4 offer fixing groove 10 corresponding with switch block 9, and telescopic rod 8 is located at the fixed company in one end in through-hole 7
It is connected to the first drive bevel gear 11, the horizontal part of through-hole 7 is interior to be connected with bull stick 12, one end of bull stick 12 by ball bearing rotational
It is fixedly connected with the first follow bevel gear 13 engaged with the first drive bevel gear 11, the uniform fixing sleeve of bar wall of bull stick 12 is connected to
Multiple second drive bevel gears 14, the side wall of seal receptacle 4 be uniformly provided with it is multiple be connected to through-hole 7, and with the second active helical teeth
14 corresponding through slots 15 are taken turns, through slot 15 is interior to be connected with screw rod 16 by ball bearing rotational, and one end of screw rod 16 is fixedly connected with
The second follow bevel gear 17 engaged with the second drive bevel gear 14, the other end of screw rod 16 are threaded with limit barrel 18,
The inner sidewall of fixed cylinder 5 offers limiting slot 19 corresponding with limit barrel 18.
The sidewall symmetry of switch block 12 is fixedly connected there are two fixture block, and the inner sidewall of fixing groove 10 is offered to match with fixture block
Card slot.
The outer wall of limit barrel 18 is symmetrically fixedly connected there are two position limiting slide block, and the inner wall of through slot 15 is offered to be slided with limit
The limit sliding chutes that block matches.
The specific material for limiting barrel 18 is stainless steel.
The inner wall of fixing groove 10 is fixed with one layer of damped rubber ring.
The upper end of positioning ring flat-plate 6 is fixed with the one layer of high carbon fiber that blocks water.
In the present invention, in use, seal receptacle 4 is placed on positioning ring flat-plate 6 by the positioning ring flat-plate 6 being equipped with, and then will
It is connected in fixed cylinder 5, switch block 9 is pulled out outside fixing groove 10, and rotate switch block 9, and switch block 9 drives telescopic rod 8 to rotate, and stretches
Bar 8 drives the rotation of the first drive bevel gear 11, utilizes the engagement of the first drive bevel gear 11 and the first follow bevel gear 13
It drives bull stick 12 to rotate, and then drives the rotation of the second drive bevel gear 14, it is driven oblique using the second drive bevel gear 14 and second
The engagement of gear 17 drives screw rod 16 to rotate, and the threaded connection effect of screw rod 16 and limit barrel 18 is recycled to make to limit spiral shell
Cylinder 18 removes outside through slot 15, and then engages limit barrel 18 with limiting slot 19, can be fixed on fixation for what seal receptacle 4 consolidated
In cylinder 5, and switch block 9 is rotated backward when needing to unlock can unlock, convenient for the use of people, pass through the card being equipped with
The cooperation of block and card slot can be fixed on what switch block 9 consolidated in fixing groove 10, preferably avoid switch block 9 by extraneous factor
Influence leads to the problem of rotation and influences the firm placement of seal receptacle 4.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. reduce the permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction completely, including main shaft (1) and with main shaft (1) it is
The sealing device that the heart is arranged from top to down, the sealing device include be arranged in main shaft (1) determine position sealing change (2),
The rubber seal (3) and seal receptacle (4) that sequence is arranged downwards, which is characterized in that fixed cylinder is socketed with outside the seal receptacle (4)
(5), the inner sidewall of the fixed cylinder (5) is fixedly connected with positioning ring flat-plate (6) corresponding with seal receptacle (4), the seal receptacle (4)
Upper end symmetrically open up the through-hole (7) there are two L-shaped structure, the vertical portion of the through-hole (7) passes through ball bearing rotational connection
Have telescopic rod (8), through-hole (7) are stretched out outside in the upper end of the telescopic rod (8), and are fixedly connected with switch block (9), the seal receptacle
(4) upper end offers fixing groove (10) corresponding with switch block (9), and one end that the telescopic rod (8) is located in through-hole (7) is fixed
It is connected with the first drive bevel gear (11), bull stick (12) is connected with by ball bearing rotational in the horizontal part of the through-hole (7),
One end of the bull stick (12) is fixedly connected with the first follow bevel gear (13) engaged with the first drive bevel gear (11), described
The uniform fixing sleeve of bar wall of bull stick (12) is connected to multiple second drive bevel gears (14), and the side wall of the seal receptacle (4) is uniformly opened
It is connected to equipped with multiple with through-hole (7), and through slot corresponding with the second drive bevel gear (14) (15), passes through in the through slot (15)
Ball bearing rotational is connected with screw rod (16), and one end of the screw rod (16) is fixedly connected with nibbles with the second drive bevel gear (14)
The second follow bevel gear (17) closed, the other end of the screw rod (16) are threaded with limit barrel (18), the fixed cylinder
(5) inner sidewall offers limiting slot (19) corresponding with limit barrel (18).
2. the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction according to claim 1, feature
It is, the sidewall symmetry of the switch block (9) is fixedly connected there are two fixture block, and the inner sidewall of the fixing groove (10) offers and blocks
The card slot that block matches.
3. the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction according to claim 1, feature
It is, the outer wall of limit barrel (18) is symmetrically fixedly connected there are two position limiting slide block, and the inner wall of the through slot (15) opens up
There are the limit sliding chutes to match with position limiting slide block.
4. the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction according to claim 1, feature
It is, the specific material of limit barrel (18) is stainless steel.
5. the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction according to claim 1, feature
It is, the inner wall of the fixing groove (10) is fixed with one layer of damped rubber ring fastening means.
6. the complete permanent magnetism water oil hanging sealing device for reducing hydraulic turbine coefficient of friction according to claim 1, feature
It is, the upper end of positioning ring flat-plate (6) is fixed with the one layer of high carbon fiber that blocks water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770369.9A CN108979933A (en) | 2018-07-13 | 2018-07-13 | The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770369.9A CN108979933A (en) | 2018-07-13 | 2018-07-13 | The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108979933A true CN108979933A (en) | 2018-12-11 |
Family
ID=64537443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770369.9A Pending CN108979933A (en) | 2018-07-13 | 2018-07-13 | The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108979933A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2450444Y (en) * | 2000-03-07 | 2001-09-26 | 何生荣 | Seal device for water turbine |
| CN103133695A (en) * | 2011-11-29 | 2013-06-05 | 天津市天发重型水电设备制造有限公司 | Novel main shaft sealing structure of hydraulic generator |
| CN103775273A (en) * | 2014-02-28 | 2014-05-07 | 南京贝奇尔机械有限公司 | Sealing device of main shaft of RPT (reversible pump turbine) type water turbine |
| CN204704055U (en) * | 2015-06-18 | 2015-10-14 | 许昌学院 | A kind of collet formula spindle end face seals |
| CN106761067A (en) * | 2016-12-06 | 2017-05-31 | 河南理工大学 | A kind of hermatic door based on Bevel Gear Drive Yu worm drive |
| CN207092860U (en) * | 2017-06-19 | 2018-03-13 | 中国铁道科学研究院铁道建筑研究所 | Closedown structure and the tunnel Dong Shimen with the closedown structure |
-
2018
- 2018-07-13 CN CN201810770369.9A patent/CN108979933A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2450444Y (en) * | 2000-03-07 | 2001-09-26 | 何生荣 | Seal device for water turbine |
| CN103133695A (en) * | 2011-11-29 | 2013-06-05 | 天津市天发重型水电设备制造有限公司 | Novel main shaft sealing structure of hydraulic generator |
| CN103775273A (en) * | 2014-02-28 | 2014-05-07 | 南京贝奇尔机械有限公司 | Sealing device of main shaft of RPT (reversible pump turbine) type water turbine |
| CN204704055U (en) * | 2015-06-18 | 2015-10-14 | 许昌学院 | A kind of collet formula spindle end face seals |
| CN106761067A (en) * | 2016-12-06 | 2017-05-31 | 河南理工大学 | A kind of hermatic door based on Bevel Gear Drive Yu worm drive |
| CN207092860U (en) * | 2017-06-19 | 2018-03-13 | 中国铁道科学研究院铁道建筑研究所 | Closedown structure and the tunnel Dong Shimen with the closedown structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |