CN211288499U - Water turbine runner main shaft flange with anti-corrosion friction structure - Google Patents
Water turbine runner main shaft flange with anti-corrosion friction structure Download PDFInfo
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- CN211288499U CN211288499U CN201921631402.6U CN201921631402U CN211288499U CN 211288499 U CN211288499 U CN 211288499U CN 201921631402 U CN201921631402 U CN 201921631402U CN 211288499 U CN211288499 U CN 211288499U
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- flange
- main shaft
- shaft flange
- anticorrosive
- friction
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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 discloses a take hydraulic turbine runner main shaft flange of anticorrosive friction structure, including the main shaft flange, pivot flange, flange seal cover, flange mounting groove, anticorrosive friction module and flange piece fastening device, compared with the prior art, the utility model relates to a rationally, simple structure, through the mode that sets up flange seal cover and anticorrosive friction module, cooperate first sealing washer and second sealing washer, firmly seal up the contact surface of main shaft flange and pivot flange, and the anticorrosive friction coating that sets up on the anticorrosive friction module can strengthen the frictional force of main shaft flange and pivot flange contact surface to play anticorrosive function, the flange seal cover can be with rivers and main shaft flange and pivot flange contact surface mutual isolation come, has increased flange joint's stability, reliability and durability, is worth promoting.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of fastener, especially a take hydraulic turbine runner main shaft flange of anticorrosive friction structure.
[ background of the invention ]
Impulse turbines are also commonly referred to as high head turbines due to their high head. In normal operation, the high-head high-pressure water flow impacts the rotating wheel of the water turbine and drives the main shaft of the water turbine and the main shaft of the generator to rotate, so that the rotor of the generator is driven to cut magnetic lines of force to generate power. In the prior art, a turbine runner is connected with a main shaft of a generator through a flange, and the high-head turbine has higher water head, stronger water flow impact force and higher rotating speed of the runner, so that the requirement on the stability of the joint surface of the turbine runner and the main shaft is higher. In addition, the joint surface of the turbine runner and the main shaft flange is just positioned at the main part of the impact of strong impact force water flow, and the stability, reliability and service life of the joint surface are seriously influenced by the erosion of the water flow to the joint surface. Obviously, the joint surface structure of the turbine runner and the main shaft flange in the prior art has the problems that strong impact water flow affects the stability of the joint surface of the turbine runner and the main shaft, and erosion of the joint surface by the water flow affects the stability, reliability, service life and the like, so that a turbine runner main shaft flange with an anti-corrosion friction structure is needed to be provided.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a take hydraulic turbine runner main shaft flange of anticorrosive friction structure, the utility model relates to a rationally, simple structure through the mode that sets up flange seal cover and anticorrosive friction module, cooperates first sealing washer and second sealing washer, firmly seals up the contact surface of main shaft flange and pivot flange, and the anticorrosive friction coating that sets up on the anticorrosive friction module can strengthen the frictional force of main shaft flange and pivot flange contact surface to play anticorrosive function, the flange seal cover can be with rivers and main shaft flange and pivot flange contact surface mutual isolation come, has increased flange joint's stability, reliability and durability, is worth promoting.
For realizing the above-mentioned purpose, the utility model provides a take hydraulic turbine runner main shaft flange of anticorrosive friction structure, including main shaft flange, pivot flange, flange seal cover, flange mounting groove, anticorrosive friction module and flange piece fastening device, the right side of main shaft flange is equipped with the pivot flange, be equipped with the flange seal cover between main shaft flange and the pivot flange, the inside flange mounting groove that is equipped with of flange seal cover, the flange connection piece of main shaft flange and pivot flange is located inside the flange mounting groove, be equipped with anticorrosive friction module between the flange connection piece of main shaft flange and pivot flange, the outside of main shaft flange and pivot flange is equipped with flange piece fastening device, flange piece fastening device firmly fixes main shaft flange and pivot flange in the flange mounting groove.
Preferably, the flange surfaces of the spindle flange and the rotating shaft flange are respectively provided with a plurality of spindle flange connecting holes and rotating shaft flange connecting holes.
Preferably, the number of the main shaft flange connecting holes is the same as that of the rotating shaft flange connecting holes, the number of the main shaft flange connecting holes is at least 4, and the included angle between each main shaft flange connecting hole is the same as that between each rotating shaft flange connecting hole.
Preferably, the anticorrosion friction module is a cylinder, anticorrosion friction coatings are arranged on the left side and the right side of the anticorrosion friction module, and a plurality of connecting through holes corresponding to the spindle flange connecting hole and the rotating shaft flange connecting hole are further formed in the anticorrosion friction module.
Preferably, a plurality of inner threaded holes are formed in two side walls of the flange sealing sleeve, a group of first sealing ring mounting grooves are formed in the inner wall of the flange sealing sleeve, and first sealing rings are arranged in the first sealing ring mounting grooves.
Preferably, the number of the inner screw holes is at least 4, the inner screw holes are uniformly distributed in a circular ring shape along the axis of the flange sealing sleeve, and the two first sealing ring mounting grooves are respectively positioned on the left side and the right side of the inner wall of the flange sealing sleeve.
Preferably, the flange plate fastening mechanism comprises a flange plate fastening plate, a mounting through hole, a second sealing ring mounting groove, a second sealing ring, a flange connecting hole, a fastening screw hole, an inserting protrusion, an inserting groove and an inserting protrusion fixing screw hole, the flange plate fastening mechanism is formed by combining two flange plate fastening plates which are symmetrical up and down, a mounting through hole is arranged at the center of each flange plate fastening plate, a second sealing ring mounting groove is arranged on the outer side of the mounting through hole, a second sealing ring is arranged in the second sealing ring mounting groove, a flange connecting hole is arranged on the outer side of the second sealing ring mounting groove, a fastening screw hole corresponding to the inner screw hole is arranged on the outer side of the flange connecting hole, the left end and the right end of the bottom of the flange fastening piece are respectively provided with an inserting protrusion and an inserting groove, and the right side wall of the inserting groove is provided with an inserting protrusion fixing screw hole.
Preferably, the inner diameter of the flange mounting groove is the same as the diameter of the anti-corrosion friction module, and the diameter of the anti-corrosion friction module is the same as the diameter of the flange pieces of the spindle flange and the spindle flange.
The utility model has the advantages that: the utility model has reasonable design and simple structure, and the contact surface of the spindle flange and the spindle flange is firmly sealed by matching the first sealing ring and the second sealing ring in the mode of arranging the flange sealing sleeve and the anti-corrosion friction module, and the anti-corrosion friction coating arranged on the anti-corrosion friction module can enhance the friction force of the contact surface of the spindle flange and has the anti-corrosion function, and the flange piece fastening mechanism and the flange sealing sleeve can isolate the water flow from the contact surface of the spindle flange and the spindle flange, thereby increasing the stability, the reliability and the durability of flange connection; the flange plate fastening mechanism is formed by the separable flange plate fastening pieces, so that the mounting difficulty of the flange plate fastening mechanism is reduced, and the replacement and the disassembly of the flange plate fastening mechanism are simple; the connection stability between the flange plate fastening pieces is improved by arranging the inserting protrusions, the inserting grooves and the inserting protrusion fixing screw holes, and the flange plate fastening pieces are prevented from loosening to cause the reduction of sealing performance and influence on the actual using effect; through the mode that sets up fastening screw to cooperate the interior screw hole for flange piece fastening device can firmly be fixed in the both sides of flange seal cover, forms effective seal, has strengthened the leakproofness of flange seal cover greatly, has reduced the possibility that rivers got into the flange seal cover.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a water turbine runner spindle flange with an anti-corrosion friction structure according to the present invention.
Fig. 2 is the structural schematic diagram of the flange plate fastening mechanism in the runner main shaft flange of the water turbine with the anti-corrosion friction structure.
In the figure: 1-a main shaft flange, 11-a main shaft flange connecting hole, 2-a rotating shaft flange, 21-a rotating shaft flange connecting hole, 3-a flange sealing sleeve, 31-an internal screw hole, 32-a first sealing ring mounting groove, 33-a first sealing ring, 4-a flange mounting groove, 5-an anticorrosion friction module, 51-an anticorrosion friction coating, 52-a connecting through hole, 6-a flange piece fastening mechanism, 61-a flange piece fastening piece, 62-a mounting through hole, 63-a second sealing ring mounting groove, 64-a second sealing ring, 65-a flange connecting hole, 66-a fastening screw hole, 67-an insertion bulge, 68-an insertion groove and 69-an insertion bulge fixing screw hole.
[ detailed description ] embodiments
Referring to the attached drawings, the utility model relates to a water turbine runner main shaft flange with an anti-corrosion friction structure, which comprises a main shaft flange 1, a rotating shaft flange 2, a flange sealing sleeve 3, a flange mounting groove 4, an anti-corrosion friction module 5 and a flange piece fastening mechanism 6, a rotating shaft flange 2 is arranged on the right side of the main shaft flange 1, a flange sealing sleeve 3 is arranged between the main shaft flange 1 and the rotating shaft flange 2, a flange mounting groove 4 is arranged inside the flange sealing sleeve 3, a flange connecting sheet of the main shaft flange 1 and the rotating shaft flange 2 is positioned inside the flange mounting groove 4, an anti-corrosion friction module 5 is arranged between the flange connecting sheets of the main shaft flange 1 and the rotating shaft flange 2, the flange piece fastening mechanism 6 is arranged on the outer sides of the main shaft flange 1 and the rotating shaft flange 2, and the flange piece fastening mechanism 6 firmly fixes the main shaft flange 1 and the rotating shaft flange 2 in the flange mounting groove 4.
The flange surfaces of the spindle flange 1 and the rotating shaft flange 2 are respectively provided with a plurality of spindle flange connecting holes 11 and a plurality of rotating shaft flange connecting holes 21.
The number of the spindle flange connecting holes 11 is the same as that of the spindle flange connecting holes 21, the number of the spindle flange connecting holes 11 is at least 4, and an included angle between each spindle flange connecting hole 11 is the same as that between each spindle flange connecting hole 21.
The anticorrosion friction module 5 is a cylinder, anticorrosion friction coatings 51 are arranged on the left side and the right side of the anticorrosion friction module 5, and a plurality of connecting through holes 52 corresponding to the spindle flange connecting hole 11 and the rotating shaft flange connecting hole 21 are further arranged on the anticorrosion friction module 5.
A plurality of inner screw holes 31 are formed in two side walls of the flange sealing sleeve 3, a group of first sealing ring mounting grooves 32 are formed in the inner wall of the flange sealing sleeve 3, and first sealing rings 33 are arranged in the first sealing ring mounting grooves 32.
Wherein, the quantity of interior screw hole 31 is 4 at least, interior screw hole 31 is the annular evenly distributed of circle along flange seal cover 3's axis, two first sealing washer mounting grooves 32 are located the left and right sides of flange seal cover 3 inner wall respectively.
Wherein, the flange fastening mechanism 6 comprises a flange fastening piece 61, a mounting through hole 62, a second sealing ring mounting groove 63, a second sealing ring 64, a flange connecting hole 65, a fastening screw hole 66, an inserting protrusion 67, an inserting groove 68 and an inserting protrusion fixing screw hole 69, the flange fastening mechanism 6 is formed by combining two flange fastening pieces 61 which are symmetrical up and down, the mounting through hole 62 is arranged at the center of the flange fastening piece 61, the second sealing ring mounting groove 63 is arranged at the outer side of the mounting through hole 62, the second sealing ring 64 is arranged in the second sealing ring mounting groove 63, the flange connecting hole 65 is arranged at the outer side of the second sealing ring mounting groove 63, the fastening screw hole 66 corresponding to the inner screw hole 31 is arranged at the outer side of the flange connecting hole 65, the inserting protrusion 67 and the inserting groove 68 are respectively arranged at the left end and the right end of the bottom of the flange fastening piece 61, the right side wall of the insertion groove 68 is provided with an insertion protrusion fixing screw hole 69.
The inner diameter of the flange mounting groove 4 is the same as the diameter of the anti-corrosion friction module 5, and the diameter of the anti-corrosion friction module 5 is the same as the diameter of the flange pieces of the spindle flange 1 and the spindle flange 2.
The utility model discloses a working process:
the utility model relates to a take anticorrosive friction structure's hydraulic turbine runner main shaft flange is at the working process:
firstly: placing the second sealing ring 64 in the two sealing ring mounting grooves 63, aligning the inserting protrusion 67 of the flange plate fastening piece 61 with the inserting groove 68 of the other flange plate fastening piece 61, and after splicing is completed, screwing the fixing bolt into the inserting protrusion fixing screw hole 69 to complete assembly of the flange plate fastening mechanism 6;
secondly, the method comprises the following steps: inserting a main shaft flange 1, an anticorrosive friction module 5 and a rotating shaft flange 2 into a flange mounting groove 4, then sleeving a flange piece fastening mechanism 6 which is completely mounted on the outer sides of the main shaft flange 1 and the rotating shaft flange 2, rotating the flange piece fastening mechanism 6, aligning a fastening screw hole 66 with an inner screw hole 31, then screwing a fastening bolt into the fastening screw hole 66, and mutually connecting the flange piece fastening mechanism 6 and the flange mounting groove 4;
and finally: inserting the flange connecting bolt into a main shaft flange connecting hole 11 of a main shaft flange 1 from left to right, continuously adjusting the positions of the main shaft flange 1 and a rotating shaft flange 2 until the right end of the flange connecting bolt penetrates out of a rotating shaft flange connecting hole 21, and then fixing the flange connecting bolt through a fastening nut to complete the whole flange connection.
Compared with the prior art, the utility model has the advantages of reasonable design, simple structure, through the mode that sets up flange seal cover 3 and anticorrosive friction module 5, cooperate first sealing washer 33 and second sealing washer 64, firmly seal the contact surface of main shaft flange 1 and pivot flange 2, and anticorrosive friction coating 51 that sets up on the anticorrosive friction module 5 can strengthen the frictional force of main shaft flange 1 and pivot flange 2 contact surface, and play anticorrosive function, flange piece fastening device 6 and flange seal cover 3 can keep apart rivers and main shaft flange 1 and pivot flange 1 contact surface each other, have increased flange joint's stability, reliability and durability; the flange plate fastening mechanism 6 is formed by arranging the separable flange plate fastening pieces 61, so that the mounting difficulty of the flange plate fastening mechanism 6 is reduced, and the replacement and the disassembly of the flange plate fastening mechanism 6 are simple; by arranging the inserting protrusion 67, the inserting groove 68 and the inserting protrusion fixing screw hole 69, the connection stability between the flange plate fastening pieces 61 is improved, and the flange plate fastening pieces 61 are prevented from loosening to cause the reduction of the sealing property and influence on the actual using effect; through the mode that the fastening screw holes 66 are arranged to be matched with the inner screw holes 31, the flange piece fastening mechanisms 6 can be firmly fixed on the two sides of the flange sealing sleeves 3 to form effective sealing, the sealing performance of the flange sealing sleeves 3 is greatly enhanced, and the possibility that water flows enter the flange sealing sleeves 3 is reduced.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a take anticorrosive friction structure's hydraulic turbine runner main shaft flange which characterized in that: comprises a main shaft flange (1), a rotating shaft flange (2), a flange sealing sleeve (3), a flange mounting groove (4), an anti-corrosion friction module (5) and a flange piece fastening mechanism (6), a rotating shaft flange (2) is arranged on the right side of the main shaft flange (1), a flange sealing sleeve (3) is arranged between the main shaft flange (1) and the rotating shaft flange (2), a flange mounting groove (4) is arranged in the flange sealing sleeve (3), a flange connecting sheet of the main shaft flange (1) and the rotating shaft flange (2) is positioned in the flange mounting groove (4), an anti-corrosion friction module (5) is arranged between the flange connecting piece of the main shaft flange (1) and the rotating shaft flange (2), the outer sides of the main shaft flange (1) and the rotating shaft flange (2) are provided with flange sheet fastening mechanisms (6), the flange piece fastening mechanism (6) firmly fixes the main shaft flange (1) and the rotating shaft flange (2) in the flange mounting groove (4).
2. The turbine runner main shaft flange with the anti-corrosion friction structure as claimed in claim 1, wherein: the flange surfaces of the main shaft flange (1) and the rotating shaft flange (2) are respectively provided with a plurality of main shaft flange connecting holes (11) and rotating shaft flange connecting holes (21).
3. The turbine runner spindle flange with an anticorrosive friction structure as claimed in claim 2, characterized in that: the spindle flange connecting holes (11) and the rotating shaft flange connecting holes (21) are the same in number, the number of the spindle flange connecting holes (11) is at least 4, and the included angle between each spindle flange connecting hole (11) is the same as the included angle between each rotating shaft flange connecting hole (21).
4. The turbine runner spindle flange with an anticorrosive friction structure as claimed in claim 2, characterized in that: anticorrosive friction module (5) cylinder, the left and right sides of anticorrosive friction module (5) is equipped with anticorrosive friction coating (51), still be equipped with a plurality of and main shaft flange connecting hole (11) and pivot flange connecting hole (21) corresponding connect the through-hole (52) on anticorrosive friction module (5).
5. The turbine runner main shaft flange with the anti-corrosion friction structure as claimed in claim 1, wherein: the sealing structure is characterized in that a plurality of inner threaded holes (31) are formed in two side walls of the flange sealing sleeve (3), a group of first sealing ring mounting grooves (32) are formed in the inner wall of the flange sealing sleeve (3), and first sealing rings (33) are arranged in the first sealing ring mounting grooves (32).
6. The turbine runner main shaft flange with the anti-corrosion friction structure as claimed in claim 5, wherein: the quantity of interior screw hole (31) is 4 at least, interior screw hole (31) are ring shape evenly distributed along the axis of flange seal cover (3), two first sealing washer mounting grooves (32) are located the left and right sides of flange seal cover (3) inner wall respectively.
7. The turbine runner main shaft flange with the anti-corrosion friction structure as claimed in claim 6, wherein: the flange plate fastening mechanism (6) comprises a flange plate fastening piece (61), an installation through hole (62), a second sealing ring installation groove (63), a second sealing ring (64), a flange connection hole (65), a fastening screw hole (66), an insertion protrusion (67), an insertion groove (68) and an insertion protrusion fixing screw hole (69), the flange plate fastening mechanism (6) is formed by combining two flange plate fastening pieces (61) which are vertically symmetrical, the installation through hole (62) is arranged at the center of the flange plate fastening piece (61), the second sealing ring installation groove (63) is arranged on the outer side of the installation through hole (62), a second sealing ring (64) is arranged inside the second sealing ring installation groove (63), the flange connection hole (65) is arranged on the outer side of the second sealing ring installation groove (63), and the fastening screw hole (66) corresponding to the inner screw hole (31) is arranged on the outer side of the flange connection hole (65), the left end and the right end of the bottom of the flange fastening piece (61) are respectively provided with an inserting protrusion (67) and an inserting groove (68), and the right side wall of the inserting groove (68) is provided with an inserting protrusion fixing screw hole (69).
8. The turbine runner main shaft flange with the anti-corrosion friction structure as claimed in claim 1, wherein: the inside diameter of flange mounting groove (4) is the same with the diameter of anticorrosive friction module (5), the diameter of anticorrosive friction module (5) is the same with the diameter of the flange piece of main shaft flange (1) and pivot flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921631402.6U CN211288499U (en) | 2019-09-28 | 2019-09-28 | Water turbine runner main shaft flange with anti-corrosion friction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921631402.6U CN211288499U (en) | 2019-09-28 | 2019-09-28 | Water turbine runner main shaft flange with anti-corrosion friction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288499U true CN211288499U (en) | 2020-08-18 |
Family
ID=72011043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921631402.6U Expired - Fee Related CN211288499U (en) | 2019-09-28 | 2019-09-28 | Water turbine runner main shaft flange with anti-corrosion friction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594308A (en) * | 2019-09-28 | 2019-12-20 | 浙江亚泰连接盘制造有限公司 | Water turbine runner main shaft flange with anti-corrosion friction structure |
-
2019
- 2019-09-28 CN CN201921631402.6U patent/CN211288499U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594308A (en) * | 2019-09-28 | 2019-12-20 | 浙江亚泰连接盘制造有限公司 | Water turbine runner main shaft flange with anti-corrosion friction structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |