CN213106619U - Tile turning device for steam turbine maintenance - Google Patents
Tile turning device for steam turbine maintenance Download PDFInfo
- Publication number
- CN213106619U CN213106619U CN202022017286.8U CN202022017286U CN213106619U CN 213106619 U CN213106619 U CN 213106619U CN 202022017286 U CN202022017286 U CN 202022017286U CN 213106619 U CN213106619 U CN 213106619U
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- Prior art keywords
- tile
- shaft
- turning device
- main shaft
- seat
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- Withdrawn - After Issue
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- 238000012423 maintenance Methods 0.000 title abstract description 5
- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 230000007306 turnover Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a steam turbine overhauls with turning over tile device, include: tile turning device, support the axle ware, support seat wheel and drum roller, tile turning device sets up in the main shaft top, the main shaft below is provided with the lower shaft bush, the lower shaft bush sets up in the base, tile turning device bottom is equipped with the connecting plate, fixed mounting has the axle ware of supporting on tile turning device's the lower surface, be equipped with articulated seat on tile turning device's the upper surface, articulated seat is equipped with a plurality ofly along circumference front and back symmetry on tile turning device's the surface, compare with prior art, the utility model discloses following beneficial effect has: through designing a dress tile turning device on lower bearing shell, only need rotate the tile turning device and make the lower bearing shell ejecting when overhauing, alright conveniently carry out the work of the maintenance of lower bearing shell, when overhauing the completion, directly take off the tile turning device can, support the design of seat wheel and drum roller simultaneously and can prevent to harm lower bearing shell and main shaft.
Description
Technical Field
The utility model belongs to steam turbine overhauls the equipment field, in particular to steam turbine overhauls with turning over tile device.
Background
At present, when a steam turbine is overhauled, a lower half bearing bush is turned over above a main shaft when the bearing bush of a main shaft of the steam turbine needs to be measured, scraped and adjusted, and when a power plant overhauls the steam turbine, the bearing bush of the main shaft needs to be measured, scraped and adjusted, the lower half bearing bush needs to be turned over frequently, and in the overhauling process, the turning of the bearing bush is a hard work, particularly minor overhauling.
However, since the spindle can be lifted only a small distance, the workpiece is heavy and the working site is narrow, and particularly, the operation is difficult when the bearing bush is removed from the bearing bush pocket, and the spindle or the bearing bush is easily damaged.
Therefore, a need exists for a steam turbine tile turnover device which is convenient to operate and high in safety.
Disclosure of Invention
The utility model aims at providing a steam turbine overhauls and uses turn-over tile device to solve the problem that proposes in the above-mentioned background art.
The technical scheme of the utility model is realized like this: the steam turbine overhauls uses turn-over tile device includes: the tile turner is arranged above a main shaft, a lower bearing bush is arranged below the main shaft and arranged in a base, a connecting plate is arranged at the bottom end of the tile turner, a shaft stopper is fixedly arranged on the lower surface of the tile turner, a hinge seat is arranged on the upper surface of the tile turner, a plurality of hinge seats are symmetrically arranged on the outer surface of the tile turner in the front-back direction along the circumferential direction, threaded holes are formed in the top ends of the hinge seats, round rods are arranged in the threaded holes, seat stopping wheels are movably arranged at the front ends of the round rods and the rear ends of the round rods through bearings, rubber wheel sleeves are sleeved on the outer surface of the seat stopping wheels, a shaft stopping support is arranged on the lower surface of the shaft stopper, a plurality of shaft stopping supports are symmetrically arranged on the lower surface of the shaft stopper along the circumferential direction, support holes are formed in the shaft stopping supports, and fixed shafts are fixedly arranged in the support holes, the spindle is characterized in that a cylindrical roller is movably mounted on the fixed shaft, a roller rubber sleeve is mounted on the outer surface of the cylindrical roller, and the outer surface of the roller rubber sleeve is in contact with the outer surface of the spindle.
In a preferred embodiment, the front and rear surfaces of the lower bearing shell are provided with threaded grooves, the connecting plate is provided with threaded through holes, and the connecting plate is mounted on the threaded grooves through connecting bolts.
As a preferred embodiment, the front end and the rear end of the round rod are locked and fixed by nuts, and a compression gasket is installed between the nut and the bearing in the middle of the support seat wheel and is pressed on an inner tile of the bearing.
In a preferred embodiment, the turning device is a semi-circular metal member, the shaft stopper is a semi-circular metal member, the inner diameter of the turning device is equal to the outer diameter of the shaft stopper, and the inner diameter of the shaft stopper is larger than the diameter of the main shaft.
In a preferred embodiment, the distance from the top end of the seat-supporting wheel to the center of the section of the main shaft is equal to the distance from the center of the section of the main shaft to the inner surface of the base.
After the technical scheme is adopted, the beneficial effects of the utility model are that: through designing a dress tile turning device on lower bearing shell, only need rotate the tile turning device and make the lower bearing shell ejecting when overhauing, alright conveniently carry out the work of the maintenance of lower bearing shell, when overhauing the completion, directly take off the tile turning device can, support the design of seat wheel and drum roller simultaneously and can prevent to harm lower bearing shell and main shaft.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Figure 1 is the utility model discloses steam turbine overhauls with turning over tile device's overall structure schematic diagram.
Figure 2 is the utility model discloses steam turbine overhauls with the plan view of turn-over tile device.
Fig. 3 is the utility model discloses steam turbine overhauls with turning over tile device support the structure schematic diagram of axle ware.
Fig. 4 is the utility model discloses steam turbine overhauls with turning over tile device's implementation structure schematic diagram.
Fig. 5 is the structure schematic diagram of the round bar of the tile turning device for steam turbine maintenance of the utility model.
In the figure, 1-base, 2-lower bearing bush, 3-main shaft, 4-tile turner, 5-shaft supporting device, 6-hinged seat, 7-round rod, 8-supporting wheel, 9-nut, 10-shaft supporting frame, 11-fixed shaft, 12-connecting plate, 13-threaded hole, 14-supporting frame hole, 15-connecting bolt, 16-rubber wheel sleeve, 17-cylindrical roller and 18-roller rubber sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the steam turbine overhauls uses turn-over tile device includes: the bearing bush overturning device comprises a bush overturning device 4, a shaft abutting device 5, a seat abutting wheel 8 and a cylindrical roller 17, wherein the bush overturning device 4 is arranged above a main shaft 3, a lower bearing bush 2 is arranged below the main shaft 3, the lower bearing bush 2 is arranged in a base 1, a connecting plate 12 is arranged at the bottom end of the bush overturning device 4, the shaft abutting device 5 is fixedly arranged on the lower surface of the bush overturning device 4, a hinge seat 6 is arranged on the upper surface of the bush overturning device 4, the hinge seat 6 is symmetrically arranged on the outer surface of the bush overturning device 4 in the front and back direction along the circumferential direction, a threaded hole 13 is formed in the top end of the hinge seat 6, a round rod 7 is arranged in the threaded hole 13, the seat abutting wheel 8 is movably arranged at the front end of the round rod 7 and the rear end of the round rod 7 through bearings, a rubber wheel sleeve 16 is sleeved on the outer surface of the seat abutting wheel 8, a shaft abutting support 10 is arranged on the lower surface of the shaft abutting device 5, a plurality of, a fixed shaft 11 is fixedly arranged in the bracket hole 14, a cylindrical roller 17 is movably arranged on the fixed shaft 11, a roller rubber sleeve 18 is arranged on the outer surface of the cylindrical roller 17, and the outer surface of the roller rubber sleeve 18 is in contact with the outer surface of the main shaft 3.
Thread grooves are formed in the front surface and the rear surface of the lower bearing bush 2, thread through holes are formed in the connecting plate 12, the connecting plate 12 is installed on the thread grooves through the connecting bolts 15, and the tile turner 4 is convenient to install and detach in a threaded connection mode.
The front end and the rear end of the round rod 7 are locked and fixed through nuts 9, a compression gasket is arranged between the nuts 9 and the bearing in the middle of the support seat wheel 8, and the compression gasket is pressed on an inner tile of the bearing and used for ensuring the bearing of the support seat wheel 8 to run.
The tile turner 4 is a semicircular metal component, the shaft stopper 5 is a semicircular metal component, the inner diameter of the tile turner 4 is equal to the outer diameter of the shaft stopper 5, and the inner diameter of the shaft stopper 5 is larger than the diameter of the main shaft 3, so that the shaft stopper 5 is prevented from directly contacting with the outer surface of the main shaft 3, and the main shaft 3 is prevented from being abraded.
The distance from the top end of the seat supporting wheel 8 to the center of the section of the main shaft 3 is equal to the distance from the center of the section of the main shaft 3 to the inner surface of the base 1, and the seat supporting wheel 8 is used for directly contacting the inner surface of the base 1 when rotating into the base 1, so that the supporting effect is achieved.
As an embodiment of the present invention: in practical use, the tile turner 4 is firstly arranged on the upper surface of the lower bearing bush 2, a threaded through hole on a connecting plate 12 at the bottom end of the tile turner 4 is aligned with a threaded groove on the lower bearing bush 2, then the tile turner 4 is fixed on the lower bearing bush 2 by using a connecting bolt 15, then the middle part of the round rod 7 is held by a hand, then the tile turner 4 is pushed forcefully along the circumferential direction, the seating wheel 8 is rotated into the base 1, meanwhile, a rubber wheel sleeve 16 on the outer surface of the seating wheel 8 is contacted with the inner surface of the base 1 to play a supporting role, meanwhile, a roller rubber sleeve 18 on a cylindrical roller 17 is contacted with the outer surface of the main shaft 3 to prevent the main shaft 3 from being scratched, meanwhile, the lower bearing bush 2 is rotated out of the base 1, then the lower bearing bush 2 is overhauled, after overhauling is completed, the lower bearing bush 2 is pushed back into the base 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Steam turbine overhauls uses turn-over tile device, its characterized in that includes: the tile turner is arranged above a main shaft, a lower bearing bush is arranged below the main shaft and arranged in a base, a connecting plate is arranged at the bottom end of the tile turner, a shaft stopper is fixedly arranged on the lower surface of the tile turner, a hinge seat is arranged on the upper surface of the tile turner, a plurality of hinge seats are symmetrically arranged on the outer surface of the tile turner in the front-back direction along the circumferential direction, threaded holes are formed in the top ends of the hinge seats, round rods are arranged in the threaded holes, seat stopping wheels are movably arranged at the front ends of the round rods and the rear ends of the round rods through bearings, rubber wheel sleeves are sleeved on the outer surface of the seat stopping wheels, a shaft stopping support is arranged on the lower surface of the shaft stopper, a plurality of shaft stopping supports are symmetrically arranged on the lower surface of the shaft stopper along the circumferential direction, support holes are formed in the shaft stopping supports, and fixed shafts are fixedly arranged in the support holes, the spindle is characterized in that a cylindrical roller is movably mounted on the fixed shaft, a roller rubber sleeve is mounted on the outer surface of the cylindrical roller, and the outer surface of the roller rubber sleeve is in contact with the outer surface of the spindle.
2. The turbine service tile turnover device of claim 1, wherein: the front and back surfaces of the lower bearing bush are provided with thread grooves, the connecting plate is provided with a thread through hole, and the connecting plate is installed on the thread grooves through connecting bolts.
3. The turbine service tile turnover device of claim 1, wherein: the front end and the rear end of the round rod are locked and fixed through nuts, a compression gasket is arranged between the nuts and the bearing in the middle of the support seat wheel, and the compression gasket is pressed on an inner tile of the bearing.
4. The turbine service tile turnover device of claim 1, wherein: the turning device is a semicircular metal component, the shaft abutting device is a semicircular metal component, the inner diameter of the turning device is equal to the outer diameter of the shaft abutting device, and the inner diameter of the shaft abutting device is larger than the diameter of the main shaft.
5. The turbine service tile turnover device of claim 1, wherein: the distance from the top end of the seat supporting wheel to the circle center of the section of the main shaft is equal to the distance from the circle center of the section of the main shaft to the inner surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022017286.8U CN213106619U (en) | 2020-09-15 | 2020-09-15 | Tile turning device for steam turbine maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022017286.8U CN213106619U (en) | 2020-09-15 | 2020-09-15 | Tile turning device for steam turbine maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213106619U true CN213106619U (en) | 2021-05-04 |
Family
ID=75664157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022017286.8U Withdrawn - After Issue CN213106619U (en) | 2020-09-15 | 2020-09-15 | Tile turning device for steam turbine maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213106619U (en) |
-
2020
- 2020-09-15 CN CN202022017286.8U patent/CN213106619U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210504 Effective date of abandoning: 20231122 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210504 Effective date of abandoning: 20231122 |