CN217440203U - Water-proof device for sealing water leakage of main shaft of water turbine - Google Patents
Water-proof device for sealing water leakage of main shaft of water turbine Download PDFInfo
- Publication number
- CN217440203U CN217440203U CN202220893143.XU CN202220893143U CN217440203U CN 217440203 U CN217440203 U CN 217440203U CN 202220893143 U CN202220893143 U CN 202220893143U CN 217440203 U CN217440203 U CN 217440203U
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- CN
- China
- Prior art keywords
- water
- main shaft
- turbine
- locking bolt
- wall plate
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- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000007789 sealing Methods 0.000 title description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 3
- 239000010935 stainless steel Substances 0.000 claims abstract description 3
- 239000010959 steel Substances 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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Abstract
The utility model relates to a hydraulic turbine main shaft seal watertight fittings. At present, the existing main shaft seal of the water turbine is not precise in design, so that the water throwing phenomenon of a unit occurs when the unit rotates at a high speed, and the metal surface outside a control ring is easily corroded by the thrown water, so that the service life of equipment is not facilitated. A kind of hydraulic turbine main shaft seal water leakage waterproof device, its composition includes: the water turbine water guide oil basin comprises a water baffle wall plate (1) and locking bolts (2), wherein the water baffle wall plate is a stainless steel arc-shaped steel plate, the arc surface of the water baffle wall plate is attached to the axial surface of a main shaft (3) of a water turbine, two nuts (4) are symmetrically connected to the arc surface of the outer side of the water baffle wall plate, two lug plates (5) are connected to the arc surface of the water guide oil basin, jacks are formed in the lug plates, the jacks and threaded holes of the nuts are on the same vertical line, and the locking bolts are respectively inserted into the jacks of the lug plates and threaded holes of the nuts. The utility model discloses be applied to the hydroelectric generation field.
Description
Technical Field
The utility model relates to a hydraulic turbine main shaft seal watertight fittings that leaks.
Background
At present, the existing main shaft seal of the water turbine is not precise in design, so that the water throwing phenomenon of a unit occurs when the unit rotates at a high speed, and the metal surface outside a control ring is easily corroded by the thrown water, so that the service life of equipment is not facilitated. Meanwhile, the phenomenon of water diversion and water throwing in the flood season is aggravated, and water mist is led out to cause emulsification of water-conducting oil, so that equipment is damaged.
Disclosure of Invention
The utility model aims at providing a hydraulic turbine main shaft seal watertight fittings.
The above purpose is realized by the following technical scheme:
a kind of hydraulic turbine main shaft seal water leakage waterproof device, its composition includes: the locking bolt is arranged on the outer side of the water-retaining wall plate, the outer side arc surface of the water-retaining wall plate is symmetrically connected with two nuts, the arc surface of the water-retaining wall plate is connected with two lug plates, the lug plates are provided with inserting holes, and the inserting holes and the threaded holes of the nuts are on the same vertical line;
the locking bolt is respectively inserted into the jack of the lug plate and the threaded hole of the nut, the locking bolt is of a cylindrical structure with a smooth surface, an annular groove is formed in the position, close to the top end, of the locking bolt, and a rubber gasket is sleeved in the annular groove;
and a compression spring is arranged between the nut and the ear plate, and is sleeved on the locking bolt.
The water turbine main shaft sealing and water leakage preventing device is characterized in that the water retaining coaming is arranged in an observation hole of the main shaft of the water turbine.
The water leakage waterproof device for the water turbine spindle seal is characterized in that the circular hole of the rubber gasket is smaller than the diameter of the locking bolt.
The water turbine main shaft sealing water leakage waterproof device is characterized in that the water retaining coaming is a left water retaining coaming and a right water retaining coaming.
The utility model has the advantages that:
1. the utility model is characterized in that the ear plate with the jack is fixed on the axial surface of the main shaft of the water turbine, the water retaining wall plate is arranged at the observation hole of the main shaft of the water turbine, the arc surface of the water retaining wall plate is attached to the axial surface of the main shaft of the water turbine, and the two nuts are symmetrically connected on the surface of the water retaining wall plate, when the water retaining wall plate covers the observation hole on the main shaft of the water turbine, firstly, the compression spring is placed between the nut and the ear plate, then, the locking bolt passes through the jack of the ear plate and passes through the compression spring, and finally, the locking bolt is inserted in the threaded hole of the nut, at the moment, the compression spring is sleeved on the locking bolt, then, the locking bolt continues to move downwards, a certain gap is formed between the top end of the locking bolt and the ear plate, the rubber gasket penetrates through the gap, the round hole on the rubber gasket is inserted in the locking bolt, the diameter of the locking bolt is larger than the diameter of the round hole on the rubber gasket, and the rubber gasket adopts the rubber material to have certain elasticity, consequently can make the rubber gasket pass the locking bolt, send the rubber gasket into the ring channel of locking bolt, match each other between the round hole of rubber gasket and the ring channel to prevent that the locking bolt from droing from the otic placode, adopt above-mentioned structure can conveniently with the installation and the dismantlement of manger plate bounding wall, whole operation process only need with the rubber gasket follow the ring channel of locking bolt take off can.
The utility model discloses lead oil basin support at water and install the manger plate bounding wall outward, the manger plate bounding wall is ring subdivision structure, and the manger plate bounding wall divide into left manger plate bounding wall and right manger plate bounding wall, and one side of left manger plate bounding wall and right manger plate bounding wall is fixed through the locking bolt respectively. Can alleviate the harm of unit phenomenon of getting rid of water to equipment through above-mentioned structure, avoid the corrosion to appear on the outer metal surface of water guide control ring, increase the life of equipment.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a schematic structural view of the water baffle.
Figure 4 is a schematic view of the locking bolt.
Fig. 5 is a schematic view of the structure of the rubber gasket.
Fig. 6 is a partially enlarged view of fig. 1.
Fig. 7 is a schematic view of the main shaft of the turbine without the water deflector.
In the figure: 1. the hydraulic turbine comprises a water retaining coaming, 2, a locking bolt, 3, a hydraulic turbine main shaft, 4, a nut, 5, an ear plate, 6, an annular groove, 7, a rubber gasket, 8, a compression spring, 9, an observation hole, 10, a water guide oil basin, 11 and a water guide control ring.
The specific implementation mode is as follows:
example 1:
a kind of hydraulic turbine main shaft seal water leakage waterproof device, its composition includes: the water turbine comprises a water retaining wall plate 1 and a locking bolt 2, wherein the water retaining wall plate is a stainless steel arc-shaped steel plate, the arc surface of the water retaining wall plate is attached to the axial surface of a main shaft 3 of a water turbine, two nuts 4 are symmetrically connected to the arc surface of the outer side of the water retaining wall plate, two lug plates 5 are connected to the arc surface of a water guide oil basin, jacks are formed in the lug plates, and threaded holes of the jacks and the threaded holes of the nuts are on the same vertical line; and a compression spring 8 is arranged between the nut and the lug plate, and the compression spring is sleeved on the locking bolt.
Example 2:
according to the water turbine main shaft sealing, water leaking and preventing device in embodiment 1, the water baffle coaming is arranged in the observation hole 9 of the water turbine main shaft.
Example 3:
according to the water leakage and water prevention device for the water turbine main shaft seal in the embodiment 1 or 2, the round hole of the rubber gasket is smaller than the diameter of the locking bolt.
Example 4:
according to the water turbine main shaft sealing, water leakage and water prevention device in the embodiment 1, 2 or 3, the water retaining coaming is a left water retaining coaming and a right water retaining coaming.
Claims (2)
1. A kind of hydraulic turbine main shaft seal water leakage waterproof device, its composition includes: manger plate bounding wall and locking bolt, characterized by: the water-retaining wall plate is a stainless steel arc-shaped steel plate, the arc surface of the water-retaining wall plate is attached to the axial surface of the main shaft of the water turbine, two nuts are symmetrically connected to the arc surface of the outer side of the water-retaining wall plate, two lug plates are connected to the arc surface of the water-guiding oil basin, insertion holes are formed in the lug plates, and the insertion holes and the threaded holes of the nuts are on the same vertical line;
the locking bolt is respectively inserted into the jack of the lug plate and the threaded hole of the nut, the locking bolt is of a cylindrical structure with a smooth surface, an annular groove is formed in the position, close to the top end, of the locking bolt, and a rubber gasket is sleeved in the annular groove;
and a compression spring is arranged between the nut and the lug plate, and is sleeved on the locking plug pin.
2. The water leakage and water-proof device for the main shaft of the water turbine as claimed in claim 1, wherein: the water retaining coaming is arranged in an observation hole of the main shaft of the water turbine; the round hole of the rubber gasket is smaller than the diameter of the locking bolt; the water retaining coaming is a left water retaining coaming and a right water retaining coaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220893143.XU CN217440203U (en) | 2022-04-18 | 2022-04-18 | Water-proof device for sealing water leakage of main shaft of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220893143.XU CN217440203U (en) | 2022-04-18 | 2022-04-18 | Water-proof device for sealing water leakage of main shaft of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440203U true CN217440203U (en) | 2022-09-16 |
Family
ID=83217917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220893143.XU Active CN217440203U (en) | 2022-04-18 | 2022-04-18 | Water-proof device for sealing water leakage of main shaft of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440203U (en) |
-
2022
- 2022-04-18 CN CN202220893143.XU patent/CN217440203U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231018 Address after: Inside the Dakquke Hydropower Station in Kashtash Township, Hotan County, Hotan Prefecture, Xinjiang Uygur Autonomous Region, 848000 Patentee after: XINJIANG HUADIAN HETIAN HYDROPOWER CO.,LTD. Address before: 830000 No. 946, qidaowan South Road, Shuimogou District, Urumqi City, Xinjiang Uygur Autonomous Region Patentee before: Xinjiang Huadian shaerbulak hydropower Co.,Ltd. |
|
| TR01 | Transfer of patent right |