CN210599258U - Upper flange sealing structure of rotating oil basin of water turbine - Google Patents
Upper flange sealing structure of rotating oil basin of water turbine Download PDFInfo
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- CN210599258U CN210599258U CN201921060657.1U CN201921060657U CN210599258U CN 210599258 U CN210599258 U CN 210599258U CN 201921060657 U CN201921060657 U CN 201921060657U CN 210599258 U CN210599258 U CN 210599258U
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- upper flange
- oil pan
- flange body
- hydraulic turbine
- bearing alloy
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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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Abstract
The utility model relates to a hydraulic turbine rotates flange seal structure on oil pan, the hydraulic turbine equipment technical field of affiliated, including rotating oil pan upper flange body, rotate a flange body terminal surface on the oil pan and be equipped with the hydraulic turbine that is linked together with rotating oil pan upper flange body and rotate the shaft hole, this internal extension sealing shaft cover that is equipped with and rotates the shaft hole with the hydraulic turbine that is linked together of rotating oil pan upper flange, extension sealing shaft cover rotates between the shaft hole with the hydraulic turbine, the hydraulic turbine rotates the shaft hole and rotates and all be equipped with bearing alloy sealing member between oil pan upper flange body, bearing alloy sealing member is annular inlay card formula with rotating oil pan upper flange body and is connected fixedly, bearing alloy sealing member is annular inlay card formula with extension sealing shaft cover and is connected fixedly. The sealing ring has the advantages of good wear resistance, corrosion resistance, good sealing effect, strong operation stability and long service cycle. The sealing effect of the rotary oil basin is improved.
Description
Technical Field
The utility model relates to a hydraulic turbine equipment technical field, concretely relates to hydraulic turbine rotates flange seal structure on oil pan.
Background
The rotating oil basin of the water turbine is an important component in the water turbine set, and the sealing performance of the rotating oil basin is particularly important for safe and stable operation of the set and improvement of economic benefits.
The traditional hydraulic turbine rotates the oil pan at unit operation in-process, along with hydraulic turbine unit fast turn-round, rotates oil pan upper flange department ubiquitous and gets rid of oily phenomenon. The oil level of the lower oil tank of the bearing of the water turbine is reduced, the upper oil tank cannot be timely supplemented, the temperature of a bearing bush of the water turbine is too high, and potential safety hazards such as bush burning exist. In order to avoid overhigh temperature of the bearing bush of the water turbine, enough lubricating oil in the oil tank needs to be added repeatedly. When the temperature of the bearing bush of the water turbine is too high, the safe and stable operation of the unit is seriously threatened, and the economic benefit is greatly reduced.
Disclosure of Invention
The utility model discloses mainly solve that the sealed effect that exists is poor among the prior art, the operating stability is poor, the running cost is high and life is short not enough, provide a hydraulic turbine and rotate flange seal structure on the oil pan, have that the wearability is good, corrosion-resistant, sealed effectual, the operating stability is strong and the life cycle is long advantage. The sealing effect of the rotary oil basin is improved.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a hydraulic turbine rotates oil pan upper flange seal structure, is including rotating oil pan upper flange body, rotation oil pan upper flange body terminal surface be equipped with rotate the hydraulic turbine rotation shaft hole that oil pan upper flange body is linked together, this internal extension sealing shaft cover that is linked together with hydraulic turbine rotation shaft hole that is equipped with of rotation oil pan upper flange, extension sealing shaft cover and hydraulic turbine rotate between the shaft hole, the hydraulic turbine rotates the shaft hole and rotates and all be equipped with bearing alloy sealing member between the oil pan upper flange body, bearing alloy sealing member and rotation oil pan upper flange body be annular inlay formula and be connected fixedly, bearing alloy sealing member and extension sealing shaft cover be annular inlay formula and be connected fixedly. And (3) welding an upper flange body of the rotating oil basin with an elongated sealing shaft sleeve, forming two grooves and pouring a bearing alloy sealing element. The rotating oil basin upper flange body and the lengthened sealing shaft sleeve play a role of a baffle ring, and lubricating oil in the oil basin can be effectively prevented from flowing into a gap between the rotating oil basin upper flange and the bearing bush when the unit operates.
Preferably, the bearing alloy sealing element comprises a trapezoidal sealing body, a tooth-shaped sealing body integrated with the trapezoidal sealing body is arranged on the trapezoidal sealing body, the trapezoidal sealing body and the rotating oil basin upper flange body are formed by casting in an annular embedded mode, and the trapezoidal sealing body and the lengthened sealing shaft sleeve are formed by casting in an annular embedded mode.
Preferably, a semi-circular groove is formed between the two bearing alloy sealing elements, and a plurality of oil return through holes which are distributed in an equidistant annular mode and penetrate through the lengthened sealing shaft sleeve are formed between the semi-circular groove and the bearing alloy sealing elements. The two bearing alloy sealing pieces can effectively prevent the inflowing lubricating oil from being thrown out, and meanwhile, a plurality of oil return through holes are processed between the two bearing alloy sealing pieces to play an oil return role.
Preferably, the flange body on the rotating oil basin is provided with a plurality of threaded mounting holes distributed at equal intervals. The threaded mounting hole is used for fastening and mounting the flange body on the rotating oil basin.
Preferably, the rotating oil basin upper flange body is provided with a pair of disassembly annular grooves which are symmetrically distributed and are positioned between the two thread mounting holes. The rotary oil basin is opened at the back of the bolt convenient to loosen after the annular groove is disassembled.
Preferably, the disassembling annular groove is in a semicircular arc shape. So that a crowbar or fingers can easily extend into the lower end face of the upper flange body of the rotating oil basin to exert force.
The utility model discloses can reach following effect:
the utility model provides a hydraulic turbine rotates flange seal structure on oil pan compares with prior art, has that the wearability is good, corrosion-resistant, sealed effectual, the strong and life cycle long advantage of operating stability. The sealing effect of the rotary oil basin is improved.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a structural sectional view of a bearing alloy seal according to the present invention.
In the figure: bearing alloy sealing member 1 rotates oil pan upper flange body 2, semicircle ring channel 3, dismantles ring channel 4, oil return through-hole 5, extension sealing shaft sleeve 6, hydraulic turbine rotation shaft hole 7, screw thread mounting hole 8, trapezoidal seal 9, profile of tooth seal 10.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1 or fig. 2, a water turbine rotating oil pan upper flange sealing structure comprises a rotating oil pan upper flange body 2, wherein the rotating oil pan upper flange body 2 is provided with 20 threaded mounting holes 8 which are distributed at equal intervals. The flange body 2 on the rotating oil basin is provided with a pair of disassembly annular grooves 4 which are symmetrically distributed and are positioned between the two thread mounting holes 8. The disassembly annular groove 4 is in a semicircular arc shape. Rotate 2 terminal surfaces of oil pan upper flange body and be equipped with the hydraulic turbine rotation shaft hole 7 that is linked together with rotation oil pan upper flange body 2, be equipped with the extension sealing shaft sleeve 6 that rotates shaft hole 7 and be linked together with the hydraulic turbine in the rotation oil pan upper flange body 2, extension sealing shaft sleeve 6 rotates between shaft hole 7 with the hydraulic turbine, the hydraulic turbine rotates shaft hole 7 and rotates oil pan upper flange body 2 and all is equipped with bearing alloy seal spare 1, bearing alloy seal spare 1 includes trapezoidal seal 9, be equipped with on the trapezoidal seal 9 and be the flute profile seal 10 of integration with trapezoidal seal 9, trapezoidal seal 9 is the annular inlay formula with rotation oil pan upper flange body 2 and pours the shaping, trapezoidal seal 9 is the annular inlay formula with extension sealing shaft sleeve 6 and pours the shaping. Bearing alloy sealing member 1 is connected fixedly with rotation oil pan upper flange body 2 and is the annular inlay formula, bearing alloy sealing member 1 be connected fixedly with extension sealing shaft sleeve 6 and be the annular inlay formula. Be equipped with half annular groove 3 between two bearing alloy sealing member 1, be equipped with 32 between half annular groove 3 and bearing alloy sealing member 1 and be equidistant annular distribution and run through the oil return through-hole 5 of extension sealing shaft sleeve 6.
In conclusion, the sealing structure of the upper flange of the rotating oil basin of the water turbine has the advantages of good wear resistance, corrosion resistance, good sealing effect, strong operation stability and long service cycle. The sealing effect of the rotary oil basin is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (6)
1. The utility model provides a hydraulic turbine rotates flange seal structure on oil pan which characterized in that: including rotating oil pan upper flange body (2), rotation oil pan upper flange body (2) one end face be equipped with rotate the hydraulic turbine that oil pan upper flange body (2) are linked together rotate shaft hole (7), rotation oil pan upper flange body (2) in be equipped with the hydraulic turbine rotate the sealed axle sleeve of extension (6) that shaft hole (7) are linked together, the sealed axle sleeve of extension (6) and hydraulic turbine rotate between shaft hole (7), the hydraulic turbine rotate shaft hole (7) and rotate oil pan upper flange body (2) between all be equipped with bearing alloy sealing member (1), bearing alloy sealing member (1) and rotation oil pan upper flange body (2) be annular inlay card formula and be connected fixedly, bearing alloy sealing member (1) and sealed axle sleeve of extension (6) be annular inlay card formula and be connected fixedly.
2. The seal structure of the upper flange of the water turbine rotating oil pan according to claim 1, wherein: bearing alloy sealing member (1) including trapezoidal seal (9), trapezoidal seal (9) on be equipped with tooth type seal (10) that are the integration with trapezoidal seal (9), trapezoidal seal (9) be annular inlay card formula with rotating oil pan upper flange body (2) and pour the shaping, trapezoidal seal (9) be annular inlay card formula with extension sealing shaft sleeve (6) and pour the shaping.
3. The flange seal structure on a water turbine rotating oil pan according to claim 1 or 2, characterized in that: be equipped with semi-circular ring groove (3) between two bearing alloy sealing member (1), semi-circular ring groove (3) and bearing alloy sealing member (1) between be equipped with a plurality of oil return through-holes (5) that are equidistant annular distribution and run through extension sealing shaft sleeve (6).
4. The seal structure of the upper flange of the water turbine rotating oil pan according to claim 1, wherein: the rotary oil basin upper flange body (2) is provided with a plurality of thread mounting holes (8) which are distributed at equal intervals.
5. The seal structure of the upper flange of the water turbine rotating oil pan according to claim 4, wherein: the rotary oil basin upper flange body (2) is provided with a pair of disassembly annular grooves (4) which are symmetrically distributed and are positioned between the two thread mounting holes (8).
6. The seal structure of the upper flange of the water turbine rotating oil pan according to claim 5, wherein: the disassembly annular groove (4) is in a semicircular arc shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921060657.1U CN210599258U (en) | 2019-07-09 | 2019-07-09 | Upper flange sealing structure of rotating oil basin of water turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921060657.1U CN210599258U (en) | 2019-07-09 | 2019-07-09 | Upper flange sealing structure of rotating oil basin of water turbine |
Publications (1)
Publication Number | Publication Date |
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CN210599258U true CN210599258U (en) | 2020-05-22 |
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Application Number | Title | Priority Date | Filing Date |
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CN201921060657.1U Active CN210599258U (en) | 2019-07-09 | 2019-07-09 | Upper flange sealing structure of rotating oil basin of water turbine |
Country Status (1)
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CN (1) | CN210599258U (en) |
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2019
- 2019-07-09 CN CN201921060657.1U patent/CN210599258U/en active Active
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