CN213743810U - Water turbine waterproof sealing device - Google Patents
Water turbine waterproof sealing device Download PDFInfo
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- CN213743810U CN213743810U CN202022521258.XU CN202022521258U CN213743810U CN 213743810 U CN213743810 U CN 213743810U CN 202022521258 U CN202022521258 U CN 202022521258U CN 213743810 U CN213743810 U CN 213743810U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract 2
- 244000309464 bull Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000834287 Cookeolus japonicus Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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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- Hydraulic Turbines (AREA)
Abstract
The utility model provides a hydraulic turbine water sealing device belongs to energy storage power station auxiliary assembly field. The technical scheme is as follows: including setting up at epaxial first seal assembly of hydraulic turbine main shaft and setting up at the peripheral second seal assembly of hydraulic turbine stator sleeve, first seal assembly includes a pair of semicircle solid fixed ring, and a pair of semicircle solid fixed ring bottom surface all vertically is provided with down L shape planking, and second seal assembly comprises sealing washer and tighrening ring, and the sealing washer comprises a pair of semicircle sealing washer, and the tighrening ring includes a pair of semicircle tighrening ring. The utility model has the advantages that: simple structure, it is convenient to install, adopts first seal assembly 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 guide bearing to damage, adopts second seal assembly to strengthen the sealed at the bottom of the stator sleeve simultaneously, has prevented that water from getting into in the waterwheel room along stator sleeve bottom.
Description
Technical Field
The utility model relates to an energy storage power station auxiliary assembly field especially relates to a hydraulic turbine waterproof sealing device.
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 electric load, which is also called an energy storage type hydropower station, wherein a water turbine is taken as one of main equipment in the energy storage power station, when a main shaft rotates at high speed, water flow in a main shaft sealing water tank flows into a water guide oil basin along the main shaft rotating at high speed to cause damage of a water guide bearing, meanwhile, the sealing of a guide vane sleeve of the water turbine is also an urgent problem to be solved, the sealing failure of the guide vane sleeve can cause the increase of water accumulated in a water vehicle chamber to influence the operation of the water turbine, the water flow in the main shaft sealing water tank is prevented from flowing into the water guide oil basin along the main shaft rotating at high speed, a horizontal water baffle plate is generally arranged on the periphery of the main shaft, but in the process of high-speed rotation of the main shaft, a part of water thrown out by the horizontal water baffle plate can splash onto the main shaft above the horizontal water baffle plate, the effect is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, it is convenient to install, adopts first seal assembly 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 second seal assembly to strengthen the sealed at the bottom of the stator sleeve simultaneously, has prevented that water from getting into in the waterwheel room along stator sleeve bottom.
The utility model discloses a realize through following measure:
a waterproof sealing device of a water turbine is characterized by comprising a first sealing assembly arranged on a main shaft of the water turbine and a second sealing assembly 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 first sealing assembly 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 first sealing assembly comprises a pair of semicircular fixing rings, and inverted L-shaped outer plates are longitudinally arranged on the bottom surfaces of the semicircular fixing rings;
preferably, the inverted-L-shaped outer plate is arranged, so that water flow in the sealed water tank enters the inverted-L-shaped outer plate along the main shaft, water in the inverted-L-shaped outer plate is thrown out through high-speed rotation, and a certain large height difference is kept between the bottom of the inverted-L-shaped outer plate and the semicircular fixing ring, so that the thrown water is prevented from splashing on the surface of the main shaft of the water turbine above the first sealing assembly;
the second sealing assembly consists of a sealing ring and a fastening ring, the sealing ring and the fastening ring are both arranged on the periphery of the guide vane sleeve of the water turbine, and the fastening ring is arranged above the sealing ring;
the sealing ring is composed of a pair of semicircular sealing rings;
the fastening rings comprise a pair of semicircular fastening rings, a plurality of threaded holes are formed in each semicircular fastening ring, compression screws are arranged in the threaded holes, eyelet wheels are arranged at the bottom ends of the compression screws and abut against the sealing rings, and arc-shaped limiting grooves are formed in the top surfaces of the sealing rings;
a plurality of reinforcing plates are arranged between the inverted L-shaped outer plate and the semicircular fixing 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 two ends of the semicircular fixing ring, the semicircular sealing ring and the semicircular fastening ring are connected through bolts.
Sealing gaskets are arranged on the connecting surfaces at the two ends of the pair of semicircular fixing rings, the pair of semicircular sealing rings and the pair of semicircular fastening rings.
The inner sides of the semicircular fixing rings and the fastening rings are provided with rubber gaskets.
And the bottom surfaces and the inner sides of the pair of semicircular sealing rings are provided with a sealing waterproof gasket.
When the first sealing assembly is installed, the semicircular fixing rings are sleeved on the periphery of the main shaft of the water turbine, two ends of the semicircular fixing rings are fastened through bolts, so that the first sealing assembly is tightly attached to 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 inverted L-shaped outer plate can prevent the water flow from entering the water guide oil basin, and meanwhile, a certain large height difference is kept between the bottom of the inverted L-shaped outer plate and the semicircular fixing rings, so that thrown water cannot splash to the surface of the main shaft of the water turbine above the first sealing assembly, further, rubber gaskets are arranged on the inner surfaces of the semicircular fixing rings, and the sealing performance of the first sealing assembly is further enhanced;
installation during the second seal assembly, it is earlier a pair of semicircle sealing ring cover the stator sleeve is peripheral, and the bolt fastening is passed through at both ends slightly, and will be a pair of semicircle tighrening ring is installed stator sleeve is peripheral sealing ring top, and the bolt fastening is passed through at both ends slightly, then the fastening compression screw, the roof pressure screw will the sealing ring tightly presses at water turbine casing surface, and is at last a pair of semicircle sealing ring's bolt-up is through setting up the bull's eye wheel has made things convenient for a pair of semicircle sealing ring twists under the compression state the construction bolt of sealing washer can make a pair of stator sleeve surface is pressed close to more to semicircle sealing ring inboard to second seal assembly carries out more comprehensive sealed stator sleeve, has prevented that water from following the sleeve bottom and has got into in the waterwheel.
The utility model has the advantages that: simple structure, it is convenient to install, adopts first seal assembly 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 guide bearing to damage, adopts second seal assembly to strengthen the sealed at the bottom of the stator sleeve simultaneously, has prevented that water from getting into in the waterwheel room along stator 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 a first sealing assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second sealing assembly in 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 first seal assembly; 501. a semicircular fixing ring; 502. an inverted L-shaped outer plate; 6. a second seal assembly; 7. a rubber gasket; 8. a semicircular fastening ring; 9. a semicircular sealing ring; 10. a compression screw; 11. a bull's eye wheel; 12. an arc-shaped limiting groove.
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. 1-4, a water turbine waterproof sealing device comprises a first sealing assembly 5 arranged on a main shaft 1 of a water turbine and a second sealing assembly 6 arranged 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 first sealing assembly 5 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 first sealing assembly 5 comprises a pair of semicircular fixing rings 501, and inverted L-shaped outer plates 502 are longitudinally arranged on the bottom surfaces of the semicircular fixing rings 501;
preferably, the inverted-L-shaped outer plate 502 is arranged, so that water flow in the sealed water tank enters the inverted-L-shaped outer plate 502 along a main shaft, water in the inverted-L-shaped outer plate 502 is thrown out through high-speed rotation, and a certain large height difference is kept between the bottom of the inverted-L-shaped outer plate 502 and the semicircular fixing ring 501, so that the thrown water is prevented from splashing on the surface of the water turbine main shaft 1 above the first sealing assembly 5;
the second sealing assembly 6 consists of a sealing ring and a fastening ring, the sealing ring and the fastening ring are both arranged on the periphery of the guide vane sleeve 4 of the water turbine, and the fastening ring is arranged above the sealing ring;
the sealing ring is composed of a pair of semicircular sealing rings 9;
the fastening ring comprises a pair of semicircular fastening rings 8, a plurality of threaded holes are formed in each semicircular fastening ring 8, a compression screw 10 is arranged in each threaded hole, a bull eye wheel 11 is arranged at the bottom end of each compression screw 10, each bull eye wheel 11 abuts against the sealing ring, and an arc-shaped limiting groove 12 is formed in the top surface of the sealing ring;
a plurality of reinforcing plates are arranged between the inverted-L-shaped outer plate 502 and the semicircular fixing ring 501.
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 two ends of the pair of semicircular fixing rings 501, the pair of semicircular sealing rings 9 and the pair of semicircular fastening rings 8 are all connected through bolts.
The connecting surfaces at the two ends of the pair of semicircular fixing rings 501, the pair of semicircular sealing rings 9 and the pair of semicircular fastening rings 8 are all provided with sealing gaskets.
The inner sides of the pair of semicircular fixing rings 501 and the pair of fastening rings are provided with rubber gaskets 7.
The bottom surfaces and the inner sides of the pair of semicircular sealing rings 9 are provided with waterproof sealing gaskets.
When the first sealing assembly 5 is installed, the pair of semicircular fixing rings 501 are sleeved on the periphery of the main shaft 1 of the water turbine, two ends of the semicircular fixing rings are fastened through bolts, the first sealing assembly 5 is tightly attached to 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 inverted L-shaped outer plate 502 can prevent the water flow from entering the water guide oil basin 2, meanwhile, a certain large height difference is kept between the bottom of the inverted L-shaped outer plate 502 and the semicircular fixing rings 501, so that thrown water cannot splash to the surface of the main shaft 1 of the water turbine above the first sealing assembly 5, a rubber gasket 7 is arranged on the inner surface of the semicircular fixing rings 501, and the sealing performance of the first sealing assembly 5 is further enhanced;
when installing second seal assembly 6, earlier with a pair of semicircle sealing ring cover at stator sleeve 4 periphery, the bolt fastening is passed through a little at both ends, install a pair of semicircle tighrening ring 8 in stator sleeve 4 periphery, the sealing ring top, the bolt fastening is passed through at both ends a little, then fastening housing screw 10, the roof pressure screw tightly presses the sealing ring at water turbine casing surface, at last with the bolt fastening of a pair of semicircle sealing ring, through setting up bull's eye wheel 11, it is under the compression state to have made things convenient for a pair of semicircle sealing ring greatly, twist the construction bolt who moves the sealing washer, can make the inboard stator sleeve 4 surface of pressing close to more of a pair of semicircle sealing ring, thereby second seal assembly 6 carries out more comprehensive sealing to stator sleeve 4, it is indoor to have prevented that water from getting into the waterwheel of 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 (5)
1. A waterproof sealing device of a water turbine is characterized by comprising a first sealing assembly arranged on a main shaft of the water turbine and a second sealing assembly 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 first sealing assembly 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 first sealing assembly comprises a pair of semicircular fixing rings, and inverted L-shaped outer plates are longitudinally arranged on the bottom surfaces of the semicircular fixing rings;
the second sealing assembly consists of a sealing ring and a fastening ring, the sealing ring and the fastening ring are both arranged on the periphery of the guide vane sleeve of the water turbine, and the fastening ring is arranged above the sealing ring;
the sealing ring is composed of a pair of semicircular sealing rings;
the fastening rings comprise a pair of semicircular fastening rings, a plurality of threaded holes are formed in each semicircular fastening ring, compression screws are arranged in the threaded holes, eyelet wheels are arranged at the bottom ends of the compression screws and abut against the sealing rings, and arc-shaped limiting grooves are formed in the top surfaces of the sealing rings;
a plurality of reinforcing plates are arranged between the inverted L-shaped outer plate and the semicircular fixing ring.
2. The waterproof sealing device for the water turbine as claimed in claim 1, wherein the pair of semicircular fixing rings, the pair of semicircular sealing rings and the pair of semicircular fastening rings are connected at both ends thereof by bolts.
3. The water turbine waterproof sealing device according to claim 2, wherein sealing gaskets are arranged on the connecting surfaces at the two ends of the pair of semicircular fixing rings, the pair of semicircular sealing rings and the pair of semicircular fastening rings.
4. The waterproof sealing device for a water turbine as claimed in claim 3, wherein a pair of the semicircular fixing rings and a pair of the fastening rings are provided with rubber gaskets at inner sides thereof.
5. The waterproof sealing device for the water turbine as claimed in claim 4, wherein a pair of the semicircular sealing rings are provided with waterproof sealing gaskets on the bottom surfaces and the inner sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521258.XU CN213743810U (en) | 2020-11-04 | 2020-11-04 | Water turbine waterproof sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521258.XU CN213743810U (en) | 2020-11-04 | 2020-11-04 | Water turbine waterproof sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743810U true CN213743810U (en) | 2021-07-20 |
Family
ID=76819458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022521258.XU Active CN213743810U (en) | 2020-11-04 | 2020-11-04 | Water turbine waterproof sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743810U (en) |
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2020
- 2020-11-04 CN CN202022521258.XU patent/CN213743810U/en active Active
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