CN115446779B - Tile drawing method for thrust bearing of large-sized hydraulic generator - Google Patents
Tile drawing method for thrust bearing of large-sized hydraulic generator Download PDFInfo
- Publication number
- CN115446779B CN115446779B CN202211026503.7A CN202211026503A CN115446779B CN 115446779 B CN115446779 B CN 115446779B CN 202211026503 A CN202211026503 A CN 202211026503A CN 115446779 B CN115446779 B CN 115446779B
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- tile
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- rail
- frame
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention provides a large-scale hydraulic generator thrust bearing tile extracting method, which comprises the following steps: step one, a unit is in a shutdown maintenance state, and an inner side annular rail, an outer side annular rail, a movable frame and an air cushion suspension device are installed; step two, the inner side supporting plate and the outer side supporting plate are respectively moved to the lower part of a thrust tile to be pushed out along the inner side annular rail and the outer side annular rail, and an air cushion suspension device is started to jack up the thrust tile; step three, moving the thrust tile to enable the thrust tile to radially move, and releasing the circumferential limit; step four, the moving frame moves to drive the thrust tile to move circumferentially at the same time, the thrust tile moves to the position of the track changing assembly of the oil groove window, the bearing is suspended gradually, the universal wheel contacts with the track changing support, and the thrust tile is pulled out of the oil groove by matching with the tile pulling tool; step five, hanging the thrust tile on a trolley, pushing the thrust tile to the periphery of the wind tunnel, and then hanging the thrust tile by matching with hanging equipment to realize tile drawing; and step six, repeating the step two to the step five to realize tile drawing of all thrust tiles.
Description
Technical Field
The invention relates to the field of auxiliary equipment of large-scale hydraulic generators, in particular to a tile extracting method for a thrust bearing of a large-scale hydraulic generator.
Background
At present, the tile drawing work of a thrust bearing of a large-sized hydroelectric generating set is mainly completed through a tile drawing trolley with rollers, when the tile drawing work is required, the tile drawing trolley is very inconvenient to move circumferentially in an oil groove and possibly collides due to the small space in the oil groove, the tile drawing tool and the tile drawing mode are very limited, when the tile drawing work is required to be carried out on the thrust tiles which are not right opposite to an oil groove window, the thrust tiles can be moved to the tile drawing trolley of the tile drawing window in a manual carrying mode, and then the tile drawing trolley is driven to push out the tile by a crane, so that a large amount of manpower and material resources are required to be input, the operation is complex, the tile drawing tool and the mode are long in bearing bush consumption time, and the tile drawing work of the large-sized hydroelectric generating set is not satisfied.
In summary, a device is designed to enable the thrust tile to move in the circumferential direction, and the air cushion suspension tile extracting device is combined, so that the quality and efficiency of the disassembly and assembly of the thrust tile of the large-sized hydroelectric generating set and the flexibility of the transportation of the thrust tile are improved, and the human resource input is greatly reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a large hydraulic generator thrust bearing tile extracting tool and a tile extracting method, which can realize circumferential movement of a thrust tile to the position of an oil groove window and extract the thrust tile by matching with the original tile extracting tool.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a large-scale hydraulic generator thrust bearing takes out tile instrument, including inboard ring rail and outside ring rail, inboard ring rail and outside ring rail all include the track frame and set up the track on the track frame, be equipped with on inboard ring rail and the outside ring rail and remove the frame, it is equipped with the bearing with track complex to remove the frame lower extreme, the bearing both sides are equipped with the universal wheel, the bottom height of universal wheel is higher than the bottom height of bearing, inboard ring rail and outside ring rail set up the installation opening in thrust bearing's oil groove window position, it is connected with inboard ring rail and outside ring rail's installation open-ended free end to become the rail subassembly, the thrust tile bottom that waits to release sets up air cushion suspending device.
In the preferred scheme, the track assembly includes inboard track change mechanism and outside track change mechanism, inboard track change mechanism and outside track change mechanism all include track change guide rail frame, the both ends of track change guide rail frame are equipped with partial track, the upside of track change guide rail frame sets up track change support, track change support tip is equipped with the draw-in groove with partial track complex, the both sides of draw-in groove are equipped with the track change inclined plane, be equipped with inboard guide rail between the track change support of inboard track change mechanism and the track change support of outside track change mechanism, the track change support outside of outside track change mechanism is equipped with outside guide rail.
In the preferred scheme, remove the frame and include inboard layer board and outside layer board, inboard layer board and outside layer board are connected through the layer board connecting plate, and inboard layer board and outside layer board bottom are equipped with the support frame, and bearing and universal wheel set up in the support frame lower extreme.
In the preferred scheme, the inner side and the outer side of the inner side supporting plate and the outer side supporting plate are respectively provided with a baffle plate.
In a preferred scheme, the two ends of the inner side supporting plate and the outer side supporting plate are provided with side baffles.
In the preferred scheme, lateral part baffle one side is equipped with the rack, and inboard layer board and outside layer board bottom are equipped with the mounting panel, are equipped with the regulating spindle on the mounting panel, and regulating spindle end is equipped with the handle, is equipped with on the regulating spindle with rack complex gear, be equipped with on inboard layer board and the outside layer board with lateral part baffle complex through-hole.
In the preferred scheme, the support frame includes the support regulating frame that is connected with inboard layer board or outside layer board, sets up a plurality of screw holes along vertically on the support regulating frame, and movable support frame passes through bolted connection with the support regulating frame.
In the preferred scheme, the bottom of the thrust tile to be pushed out is provided with a limiting frame for limiting the air cushion suspension device.
In a preferred scheme, the inner annular rail and the outer annular rail are connected through an inner annular rail connecting plate and an outer annular rail connecting plate.
The invention also provides a tile extracting method for the thrust bearing of the large-scale hydraulic generator, which comprises the following steps:
step one, a unit is in a shutdown maintenance state, and an inner side annular rail, an outer side annular rail, a movable frame and an air cushion suspension device are installed;
Step two, the inner side supporting plate and the outer side supporting plate are respectively moved to the lower part of a thrust tile to be pushed out along the inner side annular rail and the outer side annular rail, and an air cushion suspension device is started to jack up the thrust tile;
step three, moving the thrust tile to enable the thrust tile to radially move, and releasing the circumferential limit;
step four, the moving frame moves to drive the thrust tile to move circumferentially at the same time, the thrust tile moves to the position of the track changing assembly of the oil groove window, the bearing is suspended gradually, the universal wheel contacts with the track changing support, and the thrust tile is pulled out of the oil groove by matching with the tile pulling tool;
step five, hanging the thrust tile on a trolley, pushing the thrust tile to the periphery of the wind tunnel, and then hanging the thrust tile by matching with hanging equipment to realize tile drawing;
And step six, repeating the step two to the step five to realize tile drawing of all thrust tiles.
According to the large hydraulic generator thrust bearing tile extracting tool and tile extracting method, circular movement of the thrust tile to the oil groove window position is achieved through the arrangement of the inner side annular rail and the outer side annular rail matched with the moving frame, and the rail changing assembly is arranged, so that limit of the rail to the bearing is relieved through rail changing, tile extracting is convenient to implement, the tool is high in safety, stable tile extracting can be achieved in the circumferential direction, manual carrying is not needed, the thrust tile can be prevented from collision, the structure is simple, operation is convenient, and quick tile extracting can be achieved.
Drawings
The invention is further described below with reference to the accompanying drawings and examples of implementation:
FIG. 1 is an overall schematic of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic illustration of the installation of the air cushion suspension device of the present invention;
FIG. 4 is a schematic structural view of a track-change assembly;
FIG. 5 is a schematic view of the structure of a track-change guide rail frame;
FIG. 6 is a top view of the track-change stand;
FIG. 7 is an elevation view of the track-change stand;
FIG. 8 is a top view of the inboard tray;
FIG. 9 is a front view of the inboard blade;
FIG. 10 is a schematic view of a support frame;
FIG. 11 is a schematic diagram of the rack and pinion engagement;
In the figure: the device comprises an inner ring rail 1, an outer ring rail 2, a rail frame 3, a rail 4, a bearing 5, universal wheels 6, a thrust tile 7, an air cushion suspension device 8, an inner rail changing mechanism 9, an outer rail changing mechanism 10, a rail changing guide rail frame 11, a part of rails 12, a rail changing support 13, an inner rail 14, an outer rail 15, an inner supporting plate 16, an outer supporting plate 17, a supporting plate connecting plate 18, a supporting frame 19, a baffle 20, a side baffle 21, a rack 22, a mounting plate 23, an adjusting shaft 24, a handle 25, a gear 26, a limiting frame 27, an inner rail connecting plate 28, a clamping groove 1301, a rail changing inclined plane 1302, a supporting adjusting frame 1901, a threaded hole 1902 and a movable supporting frame 1903.
Detailed Description
As shown in fig. 1-3, a large-scale hydraulic generator thrust bearing tile pulling tool comprises an inner annular rail 1 and an outer annular rail 2, wherein the inner annular rail 1 and the outer annular rail 2 comprise a rail frame 3 and a rail 4 arranged on the rail frame 3, a movable frame is arranged on the inner annular rail 1 and the outer annular rail 2, a bearing 5 matched with the rail 4 is arranged at the lower end of the movable frame, universal wheels 6 are arranged on two sides of the bearing 5, the universal wheels 6 are arranged on two sides of the rail 4, the bottom of the universal wheels 6 is higher than the bottom of the bearing 5, mounting openings are formed in the positions of oil groove windows of the thrust bearings, a track changing assembly is connected with the free ends of the mounting openings of the inner annular rail 1 and the outer annular rail 2, an air cushion suspension device 8 is arranged at the bottom of a thrust tile 7 to be pushed out, and the air cushion suspension device 8 is inflated to jack up the thrust tile 7. The air cushion suspension device 8 comprises an air cushion module, an air inflation mechanism and an air inflation pipe communicated with the air cushion module and the air inflation mechanism.
As shown in fig. 2 and 4-7, the track assembly includes an inner track changing mechanism 9 and an outer track changing mechanism 10, the inner track changing mechanism 9 and the outer track changing mechanism 10 both include a track changing rail frame 11, two ends of the track changing rail frame 11 are provided with partial tracks 12, the upper side of the track changing rail frame 11 is provided with a track changing support 13, the end of the track changing support 13 is provided with a clamping groove 1301 matched with the partial tracks 12, two sides of the clamping groove 1301 are provided with track changing inclined planes 1302, the track changing inclined planes 1302 are upper planes of the track changing support 13, one end of the track changing inclined planes 1302 lower is flush with and smoothly transits with the adjacent track frame 3, an inner track 14 is arranged between the track changing support 13 of the inner track changing mechanism 9 and the track changing support 13 of the outer track changing mechanism 10, and the outer track changing support 13 of the outer track changing mechanism 10 is provided with an outer track 15.
When the track is specifically used, the bearings 5 are in contact with the track 4 to walk, the universal wheels 6 are arranged on two sides of the track 4 to limit, the bearings 5 are guaranteed to move along the circumferential directions of the inner side annular track 1 and the outer side annular track 2, when the track is moved to the end position of the track changing assembly, the universal wheels 6 gradually contact with the track changing inclined surface 1302 due to the fact that the universal wheels 6 move along the track changing inclined surface 1302, the bottoms of the universal wheels 6 are higher than the bottoms of the bearings 5, the bearings 5 are separated from part of the track 12, track changing is achieved, the universal wheels 6 move on the track changing support 13, and thrust tiles are pulled out due to the fact that the universal wheels 6 move along the inner side guide rail 14 and the outer side guide rail 15.
Preferably, as shown in fig. 2 and fig. 8 to 9, the moving frame includes an inner supporting plate 16 and an outer supporting plate 17, the inner supporting plate 16 and the outer supporting plate 17 are connected through a supporting plate connecting plate 18, a supporting frame 19 is arranged at the bottoms of the inner supporting plate 16 and the outer supporting plate 17, and the bearing 5 and the universal wheel 6 are arranged at the lower end of the supporting frame 19.
The inner side supporting plate 16 and the outer side supporting plate 17 are respectively provided with a baffle 20. The two ends of the inner supporting plate 16 and the outer supporting plate 17 are provided with side baffles 21.
The inflated air cushion suspension device 8 can be limited by arranging the baffle plates 20 and the side baffle plates 21.
Preferably, as shown in fig. 11, a rack 22 is disposed on one side of the side baffle 21, mounting plates 23 are disposed at bottoms of the inner side support plate 16 and the outer side support plate 17, an adjusting shaft 24 is disposed on the mounting plates 23, the adjusting shaft 24 is rotatably mounted on the mounting plates 23 through bearings, a handle 25 is disposed at an end of the adjusting shaft 24, a gear 26 matched with the rack 22 is disposed on the adjusting shaft 24, and through holes matched with the side baffle 31 are disposed on the inner side support plate 16 and the outer side support plate 17.
The handle 25 is rotated to drive the adjusting shaft 24 to rotate, and the rack 22 is meshed with the gear 26 to enable the rack 22 to move up and down, so that the side baffle 21 is driven to move up and down, and the limit height of the side baffle 22 is adjusted.
Preferably, as shown in fig. 9 and 10, the supporting frame 19 includes a supporting adjusting frame 1901 connected to the inner supporting plate 16 or the outer supporting plate 17, a plurality of threaded holes 1902 are longitudinally formed in the supporting adjusting frame 1901, and the movable supporting frame 1903 is connected to the supporting adjusting frame 1901 through bolts.
Height adjustment of the support bracket 19 is achieved by connecting the movable support bracket 1903 with threaded holes 1902 in different positions.
The bottom of the thrust tile 7 to be pushed out is provided with a limiting frame 27 for limiting the air cushion suspension device 8. The installation position of the air cushion suspension device 8 is determined by arranging the limiting frame 27, the air cushion suspension device 8 can be limited on the other hand, and the radial movement of the thrust tile is realized by controlling the distance between the air cushion suspension device 8 and the limiting frame 27 and the inflation of the air cushion suspension device 8, so that the limiting release of the thrust tile can be facilitated.
Preferably, as shown in fig. 2, the inner annular rail 1 and the outer annular rail 2 are connected by an inner and outer rail connecting plate 28. The stability of the whole tool is improved.
A tile extracting method for a thrust bearing of a large-scale hydraulic generator comprises the following steps:
Step one, when a unit is in a shutdown maintenance state, discharging oil from a thrust oil groove, windowing and cleaning the oil groove, casting a high-pressure oil top rotor before tile extraction, locking a damper, and installing an inner annular rail 1, an outer annular rail 2, a movable frame and an air cushion suspension device 8;
Step two, moving the inner supporting plate 16 and the outer supporting plate 17 to the lower part of the thrust tile 7 to be pushed out along the inner annular rail 1 and the outer annular rail 2 respectively, starting the air cushion suspension device 8, and jacking up the thrust tile 7;
Step three, the thrust tile 7 is moved to radially move or the thrust tile 7 is driven by the air cushion suspension device 8 to radially move through the limiting frame 27, so that the circumferential limiting is released;
Step four, the moving frame moves to drive the thrust tile 7 to move circumferentially at the same time and move to the position of the track changing assembly of the oil groove window, the bearing 5 is suspended gradually, the universal wheel 6 contacts with the track changing support 13, and the thrust tile is pulled out of the oil groove by matching with the tile pulling tool;
Step five, hanging the thrust tile 7 on a trolley, pushing the thrust tile 7 to the periphery of the wind tunnel, and then hanging the thrust tile 7 by matching with hanging equipment to realize tile drawing;
and step six, repeating the step two to the step five to realize tile drawing of all the thrust tiles 7.
The tool is high in safety, stable tile drawing can be realized in the circumferential direction, manual carrying is not needed, collision can be avoided by the thrust tile, the structure is simple, the operation is convenient, and quick tile drawing can be realized.
Claims (5)
1. The tile pulling method for the thrust bearing of the large hydraulic generator is characterized in that tile pulling is carried out by using a tile pulling tool, the tile pulling tool comprises an inner side annular rail (1) and an outer side annular rail (2), the inner side annular rail (1) and the outer side annular rail (2) both comprise a rail frame (3) and a rail (4) arranged on the rail frame (3), a movable frame is arranged on the inner side annular rail (1) and the outer side annular rail (2), the movable frame comprises an inner side supporting plate (16) and an outer side supporting plate (17), the inner side supporting plate (16) and the outer side supporting plate (17) are connected through a supporting plate connecting plate (18), a supporting frame (19) is arranged at the bottoms of the inner side supporting plate (16) and the outer side supporting plate (17), a bearing (5) and a universal wheel (6) are arranged at the lower end of the supporting frame (19), a bearing (5) matched with the rail (4) is arranged at the lower end of the movable frame, the two sides of the bearing (5) are provided with the universal wheel (6), the bottom of the universal wheel (6) is higher than the bottom of the bearing (5), the inner side annular rail (1) and the outer side annular rail (2) are provided with a window opening groove (7) arranged at the position of the thrust window, the opening of the thrust window assembly is arranged at the thrust window opening of the thrust assembly is connected with the bottom of the bearing assembly to the air cushion (1, the air cushion assembly is pushed out of the air cushion assembly to the bottom of the bearing assembly (7, the track changing assembly comprises an inner track changing mechanism (9) and an outer track changing mechanism (10), wherein the inner track changing mechanism (9) and the outer track changing mechanism (10) comprise track changing guide rail frames (11), part tracks (12) are arranged at two ends of the track changing guide rail frames (11), and track changing supports (13) are arranged on the upper sides of the track changing guide rail frames (11);
the method comprises the following steps:
step one, a unit is in a shutdown maintenance state, and an inner side annular rail (1), an outer side annular rail (2), a movable frame and an air cushion suspension device (8) are installed;
step two, moving an inner supporting plate (16) and an outer supporting plate (17) to the lower part of a thrust tile (7) to be pushed out along an inner annular rail (1) and an outer annular rail (2), starting an air cushion suspension device (8) and jacking the thrust tile (7);
step three, moving the thrust tile (7) to enable the thrust tile to radially move, and releasing the circumferential limit;
step four, the moving frame moves to drive the thrust tile (7) to move circumferentially at the same time, the thrust tile moves to the position of the track changing assembly of the oil groove window, the bearing (5) is suspended gradually, the universal wheel (6) is contacted with the track changing support (13), and the thrust tile is pulled out of the oil groove by matching with the tile pulling tool;
Step five, hanging the thrust tile (7) on a trolley, pushing the thrust tile (7) to the periphery of the wind tunnel, and then hanging the thrust tile (7) by matching with hanging equipment to realize tile drawing;
and step six, repeating the step two to the step five to realize tile drawing of all thrust tiles (7).
2. The method for extracting the thrust bearing bush of the large-sized hydraulic generator according to claim 1, wherein the inner side and the outer side of the inner side supporting plate (16) and the outer side supporting plate (17) are respectively provided with a baffle plate (20).
3. A large hydraulic generator thrust bearing shoe extraction method according to claim 1, characterized in that both ends of the inner (16) and outer (17) side plates are provided with side baffles (21).
4. A large-scale hydraulic generator thrust bearing tile drawing method according to claim 3, wherein a rack (22) is arranged on one side of the side baffle (21), mounting plates (23) are arranged at the bottoms of the inner side support plate (16) and the outer side support plate (17), an adjusting shaft (24) is arranged on the mounting plates (23), a handle (25) is arranged at the end part of the adjusting shaft (24), a gear (26) matched with the rack (22) is arranged on the adjusting shaft (24), and through holes matched with the side baffle (21) are formed in the inner side support plate (16) and the outer side support plate (17).
5. The method for extracting the bush from the thrust bearing of the large-sized hydraulic generator according to claim 1, wherein the supporting frame (19) comprises a supporting adjusting frame (1901) connected with the inner supporting plate (16) or the outer supporting plate (17), a plurality of threaded holes (1902) are longitudinally formed in the supporting adjusting frame (1901), and the movable supporting frame (1903) is connected with the supporting adjusting frame (1901) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211026503.7A CN115446779B (en) | 2021-03-01 | 2021-03-01 | Tile drawing method for thrust bearing of large-sized hydraulic generator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224823.2A CN112894713B (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator thrust bearing bush pumping tool and bush pumping method |
| CN202211026503.7A CN115446779B (en) | 2021-03-01 | 2021-03-01 | Tile drawing method for thrust bearing of large-sized hydraulic generator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110224823.2A Division CN112894713B (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator thrust bearing bush pumping tool and bush pumping method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115446779A CN115446779A (en) | 2022-12-09 |
| CN115446779B true CN115446779B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211026503.7A Active CN115446779B (en) | 2021-03-01 | 2021-03-01 | Tile drawing method for thrust bearing of large-sized hydraulic generator |
| CN202110224823.2A Active CN112894713B (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator thrust bearing bush pumping tool and bush pumping method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110224823.2A Active CN112894713B (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator thrust bearing bush pumping tool and bush pumping method |
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| CN (2) | CN115446779B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446779B (en) * | 2021-03-01 | 2024-04-16 | 中国长江电力股份有限公司 | Tile drawing method for thrust bearing of large-sized hydraulic generator |
| CN115488819B (en) * | 2022-09-05 | 2024-04-16 | 中国长江电力股份有限公司 | Device and method for dismounting thrust bush of spring strut type thrust bearing |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115446779A (en) | 2022-12-09 |
| CN112894713B (en) | 2022-10-18 |
| CN112894713A (en) | 2021-06-04 |
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