CN102563085A - Water-turbine flat-plate sealing device convenient to maintain - Google Patents
Water-turbine flat-plate sealing device convenient to maintain Download PDFInfo
- Publication number
- CN102563085A CN102563085A CN2012100183978A CN201210018397A CN102563085A CN 102563085 A CN102563085 A CN 102563085A CN 2012100183978 A CN2012100183978 A CN 2012100183978A CN 201210018397 A CN201210018397 A CN 201210018397A CN 102563085 A CN102563085 A CN 102563085A
- Authority
- CN
- China
- Prior art keywords
- plate
- rubber
- flat plate
- rubber plate
- supporting plate
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- Hydraulic Turbines (AREA)
Abstract
本发明涉及便于检修的水轮机平板密封装置，可有效解决现有平板密封不易检修和更换易损的橡胶平板的问题，其解决技术方案是，包括托板、第一橡胶平板、第二橡胶平板、转动环和密封箱，托板上依次装有第一橡胶平板和第二橡胶平板，第二橡胶平板上有密封箱和转动环，转动环置于密封箱内，托板、转动环和密封箱均为由左瓣体和右瓣体构成的分瓣式结构，托板的左瓣体和右瓣体呈台阶式相交错接合在一起，第一橡胶平板和第二橡胶平板均为沿径向在一侧有剪切缝的圆环形，本发明便于检修、易更换损坏的橡胶平板，可在不拆卸水轮机其它部件的情况下进行检修、更换橡胶平板，且运行效果可靠。
The invention relates to a water turbine plate sealing device that is easy to overhaul, which can effectively solve the problem that the existing plate seal is not easy to overhaul and replace the fragile rubber plate. The technical solution is to include a supporting plate, a first rubber plate, a second rubber plate, The rotating ring and the sealing box, the first rubber flat plate and the second rubber flat plate are installed in turn on the supporting plate, the sealing box and the rotating ring are arranged on the second rubber flat plate, the rotating ring is placed in the sealing box, the supporting plate, the rotating ring and the sealing box Both are split structure consisting of left and right petals. The left and right petals of the supporting plate are interlaced and joined together in a stepped manner. The first rubber plate and the second rubber plate are both radially There is a circular ring with a shear seam on one side, and the invention is convenient for maintenance and easy replacement of damaged rubber plates, and can be repaired and replaced without dismantling other parts of the water turbine, and the operation effect is reliable.
Description
Technical field
The present invention relates to hydraulic turbine main shaft sealing device, particularly the dull and stereotyped seal arrangement of a kind of water turbine of easy access.
Background technique
The dull and stereotyped sealing configuration of water turbine is simple, technological requirement is not high, stagnant water effect is desirable, is widely used on all kinds of water turbine of middle low water head.
Present existing dull and stereotyped sealing mainly is made up of rubber seal flat board, swivel becket, supporting plate, seal case; The general all or part of integrated type of making of these sealed members; Sealing need be enclosed within on the main shaft when installing in advance, and main shaft seal is installed after parts such as rotary wheel of water turbine, top cover install again.The sealed member of domain formula is that the maintenance of seal arrangement brings very burden, when the rubber flat plate of rapid wear need be changed, must the relevant parts of water turbine be disassembled, and vacating space could be enclosed within the rubber flat plate of the domain on the hydraulic turbine main shaft.Therefore, the maintenance of the dull and stereotyped sealing of domain formula takes time and effort, and easily worn part is changed especially very difficulty.
Summary of the invention
To above-mentioned situation, for overcoming the existing technology defective, the present invention's purpose just provides a kind of dull and stereotyped seal arrangement of water turbine of easy access, can effectively solve the problem that existing dull and stereotyped sealing is difficult for maintenance and changes the rubber flat plate of rapid wear.
Technical solution scheme of the present invention is; Comprise supporting plate, first rubber flat plate, second rubber flat plate, swivel becket and sealed case; First rubber flat plate and second rubber flat plate are housed on the supporting plate successively; Sealed case and swivel becket are arranged on second rubber flat plate, and swivel becket places in the sealed case, supporting plate, swivel becket and the sealed case split structure that left lobe body and right lobe body constitute of all serving as reasons; The left lobe body of supporting plate and right lobe body are that step type is staggered to be bonded together, and first rubber flat plate and second rubber flat plate are radially has the ring of shearing seam in a side.
Easy access of the present invention, the easy rubber flat plate that damages of changing can under the situation of not dismantling other parts of water turbine, overhaul, change rubber flat plate, and operational effect are reliable.
Description of drawings
Fig. 1 is a structure sectional view of the present invention.
Fig. 2 is the structural perspective of supporting plate of the present invention.
Fig. 3 is the structural perspective of the present invention's first rubber flat plate.
Fig. 4 is the structural perspective of the present invention's second rubber flat plate.
Fig. 5 is the horizontal sectional view of swivel becket of the present invention.
Fig. 6 is the horizontal sectional view of sealed case of the present invention.
Embodiment
Elaborate below in conjunction with the accompanying drawing specific embodiments of the invention.
Provide by Fig. 1-Fig. 6; The present invention includes supporting plate, first rubber flat plate, second rubber flat plate, swivel becket and sealed case; First rubber flat plate 2 and second rubber flat plate 3 are housed on the supporting plate 1 successively; Sealed case 6 and swivel becket 4 are arranged on second rubber flat plate, and swivel becket places in the sealed case, supporting plate, swivel becket and the sealed case split structure that left lobe body and right lobe body constitute of all serving as reasons; The left lobe body of supporting plate and right lobe body are that step type is staggered to be bonded together, and first rubber flat plate and second rubber flat plate are radially has the ring of shearing seam 10 in a side.
The left lobe body of described swivel becket 4 and right lobe body tighten together closing through first bolt (claiming the swivel becket bolt again) 5; The left lobe body of described sealed case 6 and right lobe body put together on together through second bolt (claiming the sealed case bolt again) 7; Described sealed case 6, first rubber flat plate 2, second rubber flat plate 3 and supporting plate 1 are fixed together through screw 8; The shearing seam 10 of described first rubber flat plate 2 and second rubber flat plate 3 staggers each other and is fixed together; Not only be convenient to change; Also prevent to leak; Increased the rigidity of first rubber flat plate and second rubber flat plate simultaneously, made first rubber flat plate and second rubber flat plate can be used for higher head or higher working pressure.
Use working condition of the present invention: the left lobe body of swivel becket 4 and right lobe body tighten together closing through first bolt 5 and hydraulic turbine main shaft 11; The left lobe body of sealed case 6 and right lobe body put together on together through second bolt 7; On water-turbine top cover 9, supporting plate 1 holds up first and second rubber flat plate through screw for sealed case 6, first rubber flat plate 2, second rubber flat plate 3 and supporting plate 1, has certain pressure from leaking of coming of rotary wheel of water turbine seal ring; Pressure water action is below resilient first and second rubber flat plate; Make second rubber flat plate be close to the lower end surface of swivel becket 4, form Sealing Surface, play the leak-stopping effect; Leak from the waste pipe discharge of sealed case 6 from the major part that Sealing Surface spills; Leaking of few part flows to outside the sealing through the gap, inclined-plane of swivel becket 4 upper ends and sealed case 6, and the present invention is the combined labyrinth and carbon gland that a kind of dull and stereotyped sealing and slit seal are formed, and has the better seal effect.
Can know that by last structure the present invention all makes the split structure to supporting plate, swivel becket and sealed case, during installation, be combined into full circle with the screw handle.First and second rubber flat plate was domain formula structure originally; But in order under the situation of not dismantling turbine shaft, to install; Cut off a side of two same plantation rubber ring flat-plates; Be stacked two rubber plates again after being enclosed within on the main shaft, shear seam during closed assembly and stagger, and with bonding first and second the two-layer rubber flat plate of 502 glue.For preventing leaking with the seam place of split structure member, all smear liquid sealant with the seam place.
Characteristics of the present invention are easy accesses and change the easily damaged parts rubber flat plate, and supporting plate 1 be the distinguish annulus, and is as shown in Figure 2, about two semicircular ring plate interface places be step type and overlap, being coated with sealer in lap-joint during installation can prevent to leak from seam crossing fully.Main first and second rubber flat plate of Sealing also is circular; Like Fig. 3 and shown in Figure 4, every rubber flat plate annulus is all radially cut off from a side, so that be enclosed within on the axle easily; Two flat boards closed assembly up and down during installation; It shears the seam several angle that staggers, and with tackiness agents such as 502, prevents to leak from seam.The swivel becket that cooperates with second rubber flat plate 4 shows like Fig. 5, is two splitted structures also, during installation, is fastened on the hydraulic turbine main shaft closing with bolt 5.Equally, split sealed case 6 shows like Fig. 1 and Fig. 6, is put together on together by bolt 7 during installation, can be coated with sealer on the mating face or add sealing gasket for preventing to leak.
Positive contribution of the present invention is:
1, supporting plate, swivel becket and sealed case are the split structure; First and second rubber flat plate has shearing seam radially; Can under the situation of not dismantling water turbine any parts except that main shaft seal, realize the maintenance of sealing and change easily worn part, for the user provides very big convenience;
2, the step type faying surface that supporting plate had is convenient to install and is prevented that seam from leaking;
3, the dull and stereotyped side of double-layer rubber is cut off and the bonding closed assembly of the angle that staggers, and not only is convenient to change, and also can prevent to leak, and has increased the rigidity of first and second rubber flat plate simultaneously, makes dull and stereotyped sealing can be used for higher head or higher working pressure.
Embodiment:
The water turbine of certain chemical plant industrial circulating water power generating by remain energy integrated system has been installed conventional formula lithographic plate sealing, and the working head of water turbine is 25m; But the working pressure of water turbine is 60～70m water column; Because working pressure is high, make former dull and stereotyped sealing often damage, and former seal arrangement adopt whole circular rubber flat plate; To dismantle rotary wheel of water turbine during replacing, extract turbine shaft out, very trouble.The dull and stereotyped sealing of just maintenance type of employing the present invention can be changed rubber flat plate and only use half an hour not dismantling main spindle overhauling sealing under any parts situation of water turbine, and the water turbine of double-deck stacked rubber flat plate adaptation high workload pressure, and sealing effect is fine.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100183978A CN102563085A (en) | 2012-01-20 | 2012-01-20 | Water-turbine flat-plate sealing device convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100183978A CN102563085A (en) | 2012-01-20 | 2012-01-20 | Water-turbine flat-plate sealing device convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102563085A true CN102563085A (en) | 2012-07-11 |
Family
ID=46409303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100183978A Pending CN102563085A (en) | 2012-01-20 | 2012-01-20 | Water-turbine flat-plate sealing device convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102563085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278484A (en) * | 2021-12-28 | 2022-04-05 | 江苏航天水力设备有限公司 | High-power generation and maintenance-convenient efficient stable water turbine |
| CN114856885A (en) * | 2022-06-20 | 2022-08-05 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174596Y (en) * | 1993-09-07 | 1994-08-17 | 钟文才 | Rubber flat plate sealing structure for water turbine |
| CN2422490Y (en) * | 2000-05-29 | 2001-03-07 | 昆明电机有限责任公司 | Horizontal water turbine main shaft sealing device |
| CN201258816Y (en) * | 2008-08-15 | 2009-06-17 | 哈尔滨电机厂有限责任公司 | Principal axis sealing device for end-face water pressure type hydroturbine |
| US20100201074A1 (en) * | 2009-01-12 | 2010-08-12 | Haynes George P | Gas seal for aerospace engines and the like |
| CN201891548U (en) * | 2010-12-15 | 2011-07-06 | 兰州兰电电机有限公司 | Operation sealing device of water turbine spindle |
| CN202441891U (en) * | 2012-01-20 | 2012-09-19 | 华北水利水电学院 | Water turbine plate seal device convenient to repair |
-
2012
- 2012-01-20 CN CN2012100183978A patent/CN102563085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174596Y (en) * | 1993-09-07 | 1994-08-17 | 钟文才 | Rubber flat plate sealing structure for water turbine |
| CN2422490Y (en) * | 2000-05-29 | 2001-03-07 | 昆明电机有限责任公司 | Horizontal water turbine main shaft sealing device |
| CN201258816Y (en) * | 2008-08-15 | 2009-06-17 | 哈尔滨电机厂有限责任公司 | Principal axis sealing device for end-face water pressure type hydroturbine |
| US20100201074A1 (en) * | 2009-01-12 | 2010-08-12 | Haynes George P | Gas seal for aerospace engines and the like |
| CN201891548U (en) * | 2010-12-15 | 2011-07-06 | 兰州兰电电机有限公司 | Operation sealing device of water turbine spindle |
| CN202441891U (en) * | 2012-01-20 | 2012-09-19 | 华北水利水电学院 | Water turbine plate seal device convenient to repair |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278484A (en) * | 2021-12-28 | 2022-04-05 | 江苏航天水力设备有限公司 | High-power generation and maintenance-convenient efficient stable water turbine |
| CN114278484B (en) * | 2021-12-28 | 2022-11-15 | 江苏航天水力设备有限公司 | High-power generation and maintenance-convenient efficient stable water turbine |
| CN114856885A (en) * | 2022-06-20 | 2022-08-05 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
| CN114856885B (en) * | 2022-06-20 | 2024-03-29 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106439027B (en) | A kind of guide vanes of water turbine sleeve seal device | |
| CN106402166B (en) | Double-row spherical roller bearing double-lip sealing structure and wind driven generator | |
| CN105402412B (en) | For the detachable sealing ring component in rotary shaft | |
| CN102563085A (en) | Water-turbine flat-plate sealing device convenient to maintain | |
| CN103352892A (en) | Vane type hydraulic oscillating cylinder capable of being disassembled in radial direction | |
| CN202441891U (en) | Water turbine plate seal device convenient to repair | |
| CN209494545U (en) | Rotating blowout preventer rotation assembly easy to assemble | |
| CN204755849U (en) | Walking speed reducer | |
| CN214366507U (en) | Sealing device for guide vane sleeve of water turbine | |
| CN108518474A (en) | A kind of wind turbine gearbox output shaft seal structure | |
| CN204357762U (en) | A kind of nitrogen spring seal arrangement for ventilator | |
| CN208089569U (en) | A kind of emulsified asphalt production antirust water pump | |
| CN205260199U (en) | Hydraulic turbine main shaft protecting cover and main shaft are closing connection structure | |
| CN206608557U (en) | Suitable for the stop valve of low-temp low-pressure environment | |
| CN102042152A (en) | Hydroturbine permanent spindle sealing device | |
| CN201254583Y (en) | Revolving furnace revolving joint with secondary sealing function | |
| CN214680128U (en) | A packing-sealed crystallizer | |
| CN204597693U (en) | Motor bearings anti-oil leakage device | |
| CN219176947U (en) | An underwater sealing device | |
| CN208534676U (en) | Turbine-generator units water pilot bearing seal snap ring | |
| CN204371676U (en) | Compressor | |
| CN203202217U (en) | Inlet sealing device of desulfurization wet mill | |
| CN209325042U (en) | A kind of no-welding rudder stock seal assembly | |
| CN206347120U (en) | A kind of three eccentricity hard seal butterfly valve | |
| CN204267758U (en) | Selfsealings butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |