CN211038893U - Sealing device for water turbine - Google Patents
Sealing device for water turbine Download PDFInfo
- Publication number
- CN211038893U CN211038893U CN201922109973.XU CN201922109973U CN211038893U CN 211038893 U CN211038893 U CN 211038893U CN 201922109973 U CN201922109973 U CN 201922109973U CN 211038893 U CN211038893 U CN 211038893U
- Authority
- CN
- China
- Prior art keywords
- sealing
- ring
- water
- main shaft
- water turbine
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000007789 sealing Methods 0.000 title claims abstract description 84
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model provides a sealing device for hydraulic turbine belongs to energy storage power station auxiliary assembly field. The technical scheme is as follows: including setting up at the epaxial seal assembly A of hydraulic turbine main shaft and setting up at the peripheral seal assembly B of hydraulic turbine stator sleeve, seal assembly A includes a pair of semicircle ring A, and a pair of semicircle ring A both ends all are through bolted connection, and the equal level in a pair of semicircle ring A bottom surface is provided with the arc planking, and seal assembly B includes that tighrening ring and sealing washer constitute. The utility model has the advantages that: simple structure, it is convenient to install, adopts seal assembly A can prevent that the interior rivers of main shaft seal water tank from scurrying into water and leading the oil pan along high-speed rotatory main shaft, leads to water to lead the bearing to damage, adopts seal assembly B to strengthen the sealed at the bottom of the guide vane sleeve simultaneously, has prevented that water from getting into in the waterwheel room along guide vane sleeve bottom.
Description
Technical Field
The utility model relates to an energy storage power station auxiliary assembly field especially relates to a sealing device for hydraulic turbine.
Background
A pumped storage power station pumps water to an upper reservoir by utilizing electric energy in the low ebb period of electric load, and discharges water to a lower reservoir to generate power in the peak period of the electric load.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, it is convenient to install, adopts seal assembly A can prevent that the interior rivers of main shaft seal water tank from scurrying into water and leading the oil pan along high-speed rotatory main shaft, leads to water to lead the bearing to damage, adopts seal assembly B to strengthen the sealing at the bottom of leading the bucket sleeve simultaneously, has prevented that water from getting into the indoor sealing device for the hydraulic turbine of waterwheel along stator sleeve bottom.
The utility model discloses a realize through following measure:
a sealing device for a water turbine is characterized by comprising a sealing component A arranged on a main shaft of the water turbine and a sealing component B arranged on the periphery of a guide vane sleeve of the water turbine;
a main shaft sealing water tank is arranged on the inner top cover of the water turbine and on the periphery of the main shaft of the water turbine, a water and oil guiding basin is arranged on the outer top cover of the water turbine and on the periphery of the main shaft of the water turbine, and the sealing component A is arranged on the outer surface of the main shaft of the water turbine between the water and oil guiding basin and the main shaft sealing water tank;
the sealing assembly A comprises a pair of semicircular rings A, two ends of each semicircular ring A are connected through bolts, and arc-shaped outer plates are horizontally arranged on the bottom surfaces of the semicircular rings A;
mounting plates A are arranged between the two ends of the semicircular ring A and the arc-shaped outer plate, a through hole A is formed in each mounting plate A, a fastening bolt is arranged in each through hole A, a fastening nut is arranged at the end part of each fastening bolt, which penetrates through the through holes A on the same side of the semicircular rings A, and sealing gaskets are arranged on the inner surfaces of the semicircular rings A;
the sealing component B comprises a fastening ring and a sealing ring,
it should be noted that the inner top cover of the water turbine, the outer top cover of the water turbine, the main shaft seal water tank, the water oil guide basin, the guide vane sleeve and the water turbine main shaft are all of the existing structural structures of the water turbine, and the connection relationship, the position relationship and the specific structure all belong to the prior art, which are not described herein in detail.
The utility model discloses a concrete characteristics have in addition:
the sealing ring is arranged on the periphery of the bottom of the guide vane sleeve and is attached to the water turbine shell, and the fastening ring is arranged on the periphery of the guide vane sleeve and is arranged above the sealing ring;
the sealing ring consists of a pair of semicircular sealing rings, and two ends of each semicircular sealing ring are connected through bolts;
the fastening ring comprises a pair of semicircular rings B, two ends of each semicircular ring B are connected through bolts, a plurality of threaded holes are formed in each semicircular ring B, jacking screws are arranged in the threaded holes, and the bottom ends of the jacking screws abut against the sealing ring;
semicircle ring B and sealing ring both ends all are provided with the mounting panel, the through-hole has been seted up on the mounting panel, bolted connection passes the through-hole, the bolt tip is provided with fastening nut.
A plurality of reinforcing plates are arranged between the semicircular ring A and the arc-shaped outer plate, sealing gaskets are arranged on the inner surfaces of the semicircular ring A, and rubber gaskets are arranged on the inner surfaces of the semicircular ring B.
When the sealing assembly A is installed, the pair of semicircular rings A are sleeved on the periphery of the main shaft of the water turbine, the two ends of the semicircular rings A are fastened through bolts, so that the sealing assembly A is fastened on the outer surface of the main shaft of the water turbine, when water flow in a main shaft sealing water tank moves along the main shaft rotating at a high speed, the arc-shaped outer plate and the arc-shaped outer plate can prevent the water flow from entering the water oil guide basin, and meanwhile, the sealing gasket is arranged on the inner surface of each semicircular ring A, so that the sealing performance of the sealing assembly A is further;
the installation during seal assembly B, earlier a pair of semicircle sealing ring cover is in stator sleeve periphery, the both ends are fastened through the bolt slightly, will a pair of semicircle ring B cover stator sleeve periphery the sealing ring top, both ends are fastened through the bolt slightly, then the fastening semicircle ring B's roof pressure screw rod, the roof pressure screw rod will the sealing ring tightly presses at water turbine casing surface, and is at last a pair of semicircle sealing ring's bolt-up accomplishes the installation, has promoted the seal of stator sleeve bottom greatly, has prevented that water from following stator sleeve bottom entering waterwheel indoor.
The utility model has the advantages that: simple structure, it is convenient to install, adopts seal assembly A can prevent that the interior rivers of main shaft seal water tank from scurrying into water and leading the oil pan along high-speed rotatory main shaft, leads to water to lead the bearing to damage, adopts seal assembly B to strengthen the sealed at the bottom of the guide vane sleeve simultaneously, has prevented that water from getting into in the waterwheel room along guide vane sleeve bottom.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the sealing assembly a according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the sealing assembly B according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a sealing assembly B according to an embodiment of the present invention.
Wherein the reference numerals are: 1. a water turbine main shaft; 2. a water oil guide basin; 3. the main shaft seals the water tank; 4. a guide vane sleeve; 5. a seal assembly A; 501. a semicircular ring A; 502. sealing gaskets; 503. an arc-shaped outer plate; 504. a reinforcing plate; 505. mounting a plate A; 6. a seal assembly B; 601. a semicircular ring B; 602. jacking and pressing the screw; 603. and (4) a sealing ring.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1 to 6, a sealing device for a water turbine includes a sealing assembly a5 provided on a main shaft 1 of the water turbine and a sealing assembly B6 provided on the periphery of a guide vane sleeve 4 of the water turbine;
a main shaft sealing water tank 3 is arranged on the inner top cover of the water turbine and at the periphery of a main shaft 1 of the water turbine, a water guide oil basin 2 is arranged on the outer top cover of the water turbine and at the periphery of the main shaft 1 of the water turbine, and a sealing component A5 is arranged on the outer surface of the main shaft 1 of the water turbine between the water guide oil basin 2 and the main shaft sealing water tank 3;
the sealing assembly A5 comprises a pair of semicircular rings A501, two ends of the pair of semicircular rings A501 are connected through bolts, and arc-shaped outer plates 503 are horizontally arranged on the bottom surfaces of the pair of semicircular rings A501;
mounting plates A505 are arranged between the two ends of the semicircular ring A501 and the arc-shaped outer plate 503, a through hole A is formed in each mounting plate A505, a fastening bolt is arranged in each through hole A, the end part of each fastening bolt penetrates through the through holes A on the same side of the semicircular rings A501 and is provided with a fastening nut, and sealing gaskets 502 are arranged on the inner surfaces of the semicircular rings A501;
the sealing assembly B6 comprises a fastening ring and a sealing ring,
it should be noted that the inner top cover of the water turbine, the outer top cover of the water turbine, the main shaft sealing water tank 3, the water oil guiding basin 2, the guide vane sleeve 4 and the water turbine main shaft 1 are all of the existing structural structure of the water turbine, and the connection relationship, the position relationship and the specific structure thereof all belong to the prior art and are not described herein.
The sealing ring is arranged on the periphery of the bottom of the guide vane sleeve 4 and is attached to the water turbine shell, and the fastening ring is arranged on the periphery of the guide vane sleeve 4 and is arranged above the sealing ring;
the sealing ring is composed of a pair of semicircular sealing rings 603, and two ends of the pair of semicircular sealing rings 603 are connected through bolts;
the fastening ring comprises a pair of semi-circular rings B601, two ends of the pair of semi-circular rings B601 are connected through bolts, a plurality of threaded holes are formed in the pair of semi-circular rings B601, jacking screws 602 are arranged in the threaded holes, and the bottom ends of the jacking screws 602 abut against the sealing ring 603;
the semicircular ring B601 and the sealing ring 603 both ends all are provided with the mounting panel, have seted up the through-hole on the mounting panel, and bolted connection passes the through-hole, and the bolt tip is provided with fastening nut.
A plurality of reinforcing plates 504 are arranged between the semicircular rings A501 and the arc-shaped outer plates 503, sealing gaskets 502 are arranged on the inner surfaces of the semicircular rings A501, and rubber gaskets are arranged on the inner surfaces of the semicircular rings B601.
When the sealing assembly A5 is installed, the pair of semicircular rings A501 are sleeved on the periphery of the main shaft 1 of the water turbine, the two ends of the semicircular rings A501 are fastened through bolts, the sealing assembly A5 is fastened on the outer surface of the main shaft 1 of the water turbine, when water flow in the main shaft sealing water tank 3 moves along the main shaft rotating at a high speed, the outer plate of the arc-shaped outer plate 503 can prevent the water flow from entering the water guide oil basin 2, meanwhile, the sealing gasket 502 is arranged on the inner surface of the semicircular rings A501, and the sealing performance of the sealing assembly A5 is;
when mounting the seal assembly B6, earlier overlap a pair of semicircle sealing ring 603 at stator sleeve 4 periphery, the bolt is fastened a little at both ends, overlap a pair of semicircle ring B601 at stator sleeve 4 periphery, sealing ring 603 top, the bolt is fastened a little at both ends, then fasten the roof pressure screw rod 602 of semicircle ring B601, roof pressure screw rod 602 tightly presses sealing ring 603 on water turbine casing surface, at last with the bolt fastening of a pair of semicircle sealing ring 603, accomplish the installation, the seal of stator sleeve 4 bottom has been promoted greatly, water has been prevented to get into in the waterwheel room along stator sleeve 4 bottom.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (3)
1. A sealing device for a water turbine is characterized by comprising a sealing component A arranged on a main shaft of the water turbine and a sealing component B arranged on the periphery of a guide vane sleeve of the water turbine;
a main shaft sealing water tank is arranged on the inner top cover of the water turbine and on the periphery of the main shaft of the water turbine, a water and oil guiding basin is arranged on the outer top cover of the water turbine and on the periphery of the main shaft of the water turbine, and the sealing component A is arranged on the outer surface of the main shaft of the water turbine between the water and oil guiding basin and the main shaft sealing water tank;
the sealing assembly A comprises a pair of semicircular rings A, two ends of each semicircular ring A are connected through bolts, and arc-shaped outer plates are horizontally arranged on the bottom surfaces of the semicircular rings A;
the sealing component B comprises a fastening ring and a sealing ring.
2. The seal assembly for a water turbine as claimed in claim 1, wherein the seal ring is disposed at a bottom outer periphery of the guide vane sleeve and abuts against a turbine housing, and the fastening ring is disposed at an outer periphery of the guide vane sleeve and above the seal ring;
the sealing ring consists of a pair of semicircular sealing rings, and two ends of each semicircular sealing ring are connected through bolts;
the fastening ring comprises a pair of semicircular rings B, the two ends of each semicircular ring B are connected through bolts, a plurality of threaded holes are formed in each semicircular ring B, jacking screws are arranged in the threaded holes, and the bottom ends of the jacking screws abut against the sealing rings.
3. The sealing device for the water turbine as claimed in claim 2, wherein a plurality of reinforcing plates are provided between the semicircular ring a and the arc-shaped outer plates, a sealing gasket is provided on each of inner surfaces of the pair of semicircular rings a, and a rubber gasket is provided on each of inner surfaces of the semicircular rings B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109973.XU CN211038893U (en) | 2019-11-30 | 2019-11-30 | Sealing device for water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109973.XU CN211038893U (en) | 2019-11-30 | 2019-11-30 | Sealing device for water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211038893U true CN211038893U (en) | 2020-07-17 |
Family
ID=71530348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922109973.XU Active CN211038893U (en) | 2019-11-30 | 2019-11-30 | Sealing device for water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211038893U (en) |
-
2019
- 2019-11-30 CN CN201922109973.XU patent/CN211038893U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211038893U (en) | Sealing device for water turbine | |
| CN213743810U (en) | Water turbine waterproof sealing device | |
| CN113431802B (en) | External oil feeding and discharging device of large submersible tubular pump | |
| CN215733799U (en) | Underwater power machine adopting combined reinforced seal | |
| CN202065197U (en) | Diving electric pump capable of simultaneously realizing three using functions of working vertically, obliquely and transversely | |
| CN210168780U (en) | Surge machine | |
| CN110721522A (en) | A energy-saving sewage treatment device that factor of safety is high for processing industry | |
| CN214836891U (en) | Flow guide cover structure of power generation fan | |
| CN216278423U (en) | Drainage device for hydraulic engineering | |
| CN214093209U (en) | Unloading valve of hydropower station speed regulator | |
| CN212959129U (en) | Hydraulic drainage pump | |
| CN220851230U (en) | Water conservancy pipeline | |
| CN215484624U (en) | Gate station pier wall template connecting device | |
| CN204371544U (en) | Bulb through-flow turbine | |
| CN220440466U (en) | Vertical hydraulic generator bearing seal structure | |
| CN214035944U (en) | Main shaft sealing device of water turbine | |
| CN217152979U (en) | Oil seal structure for high-pressure-resistant high-speed bidirectional rotating shaft | |
| CN2299175Y (en) | Electromachine water filling vertical submersible pump | |
| CN213839050U (en) | A vibration/noise reduction structure for immersible pump | |
| CN203742880U (en) | Horizontal hydraulic turbine set | |
| CN214535037U (en) | Hydraulic engineering's water conservancy pipeline supports connection structure | |
| CN218575696U (en) | Steel plate drilling device | |
| CN201794803U (en) | Leak-proof submerged pump with detachable rotation device | |
| CN109208658B (en) | Fan foundation structure reinforcing apparatus | |
| CN214063357U (en) | Pump shaft adjusting device of high-power self-priming pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |