LU504293B1 - A high-precision auxiliary device for installing steam turbine rotor - Google Patents
A high-precision auxiliary device for installing steam turbine rotor Download PDFInfo
- Publication number
- LU504293B1 LU504293B1 LU504293A LU504293A LU504293B1 LU 504293 B1 LU504293 B1 LU 504293B1 LU 504293 A LU504293 A LU 504293A LU 504293 A LU504293 A LU 504293A LU 504293 B1 LU504293 B1 LU 504293B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- steam turbine
- auxiliary device
- turbine rotor
- base
- groove
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
-
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention discloses a high-precision auxiliary device for installing a steam turbine rotor, which comprises a base and a support frame, wherein the support frame is provided with a guide anti-shake assembly and an installation auxiliary assembly, the base is provided with a lifting drive assembly, and a telescopic wheel assembly is arranged below the base; The invention relates to the field of steam turbine part installation, and has the following beneficial effects that the position of a rotor without a suspension structure can be fixed through an adjustable clamp for installing an auxiliary assembly, and the rotor can be prevented from shaking when the position of the rotor rises through a guide anti-shaking assembly, thus a worker can cooperate with the assembly conveniently.
Description
A high-precision auxiliary device for 0506893 installing steam turbine rotor
The invention relates to the technical field of turbine part installation, in particular to a high-precision auxiliary device for turbine rotor installation.
Background technology
A rotor of a steam turbine is an assembly consisting of a main shaft, an impeller or a rotary drum, blades, a coupling and other rotating parts of the steam turbine; the steam turbine is also called a steam turbine engine and is a rotary steam power device; high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and is sprayed onto the blades, so that the rotor equipped with blade rows rotates and does work to the outside at the same time; therefore, the assembly and installation of the rotor need to ensure high precision in order to make the rotor rotate more smoothly, but in reality, only the lifting device 1s usually used to lift the rotor and move it to the installation position, and then assemble it with manpower, but there is no hanging part on the rotor, so the rubber belt is usually used to bind it and lift it. This method will make the rotor unable to maintain a horizontal installation position, and the position needs to be aligned by manpower during assembly, but the alignment effect is not good, which will easily cause the rotor to collide, resulting in the rotor unable to be installed precisely.
The high-precision auxiliary device for installing the steam turbine rotor comprises a base and a support frame, wherein the base is used for supporting an upper assembly; the support frame is arranged on the base and is provided with a guide anti-shake assembly and an installation auxiliary assembly; the base is provided with a lifting drive assembly; À telescopic wheel assembly is arranged below that base;
The guide anti-shake assembly comprises a sliding chute, a sliding block, a connecting rod and a fixing plate;
The sliding block is arranged in the sliding groove, the connecting rod is arranged on the sliding block, and the fixing plate is arranged between the connecting rods.
Preferably, the fixing plate is provided with a hook.
Preferably, a supporting leg is arranged below the base.
Preferably, the installation auxiliary assembly comprises a motor box, a rotating motor, a driving groove, a driving gear, a rotating seat, a gear ring, a supporting plate, an expansion column, an electric expansion column, a pushing plate, a clamping plate, a moving groove, a sliding plate, an upper clamp, a lower clamp, a rack column, an installation groove, the driving motor and a main gear;
The motor box is installed on that fixed plate, the rotate motor is installed in the driving groove, the driving gear is installed on the output end of the rotating motor and arranged in the driving groove, the rotating seat is installed in the moving groove, a gear ring is sleeved on the rotating seat and meshed with the driving gear, a supporting plate is installed on the rotating seat,
The lower clamp is arranged below the clamping plate, the sliding plate is arranged in the moving groove, the rack column is arranged on the sliding plate and extends out of the clamping plate, the driving motor is arranged in the mounting groove, and that main gear is arranged on the output end of the driving motor and is mesh with the gear teeth of the rack column.
Preferably, the push plate and the upper clamp are provided with rubber pads.
Preferably, the upper clamp is provided with a scale bar.
Preferably, the lifting drive assembly comprises a drive box, a driver, a rotating shaft, a rotating bearing, a winding reel, a steel wire rope and a fixed pulley;
A driving box is arranged on a base, a driver is arranged in that driving box, a rotating shaft is arranged at the output end of the driver, the other end of the rotate shaft is connected to a support frame through a rotary bearing, a winding drum is sleeved on the rotating shaft, and a steel wire rope is wound on the winding drum and connected with a material box through a fixed pulley.
Preferably, the fixed pulleys are respectively arranged at the two sides and the upper part of the support frame.
Preferably, the retractable wheel assembly comprises a receiving groove, an electric retractable column and a universal wheel;
The receiving groove is arranged below the base, the electric telescopic column is arranged in the receiving groove, and the universal wheel is arranged below the electric telescopic column.
Beneficial effect
The high-precision auxiliary device for installing the steam turbine rotor has the following beneficial effects:
The position of the rotor without a suspension structure can be fixed through the adjustable clamp of the installation auxiliary assembly, and the rotor can be prevented from shaking when the position of the rotor rises through the guide anti-shake assembly, so that the rotor can maintain a horizontal installation position, and can be prevented from bumping due to shaking, thereby being convenient for workers to assemble and enabling the rotor to be precisely installed.
Description of attached drawings
Fig. 1 is a front view structure diagram of a high-precision auxiliary device for installing a steam turbine rotor according to the present invention.
Fig. 2 is a schematic diagram of an installation auxiliary assembly of the high-precision auxiliary device for installing the steam turbine rotor according to the present invention.
Fig. 3 is a partial enlarged schematic diagram of the installation auxiliary assembly of the high-precision auxiliary device for installing the steam turbine rotor according to the present a LU504293 ınvention.
Fig. 4 is a partial enlarged schematic diagram of a side view of an installation auxiliary assembly of a high-precision auxiliary device for installing a steam turbine rotor according to the present invention.
Fig. 5 is a three-dimensional structural diagram of the fixed pulley installation position of the high-precision auxiliary device for installing the steam turbine rotor according to the present invention.
In the drawing: 1. Base; 2. Support frame; 3. Chute; 4. Slider; 5. Connecting rod; 6. Fixing plate; 7. Motor box; 8. Rotating motor; 9. Drive groove; 10. Drive gear; 11. Rotating seat; 12.
Gear ring; 13. Support plate; 14. Telescopic column; 15. Electric telescopic column; 16. Push plate; 17. Clamp plate; 18. Moving groove; 19. Sliding plate; 20. Upper fixture; 21. Lower fixture; 22. Rack column; 23. Mounting groove; 24. Drive motor; 25. Main gear; 26. Drive box; 27. Driver; 28. Rotating shaft; 29. Rotary bearing; 30. Winding reel; 31. Steel wire rope; 32.
Fixed pulley; 33. Receiving groove; 34. Electric telescopic column; 35. Universal wheel;
Based on the embodiments of the present invention, those of ordinary skills in the technology will fall within the scope of protection of the present invention even if they do not make all other inventive realities examples acquired on the premise of creative labor.
Referring to figs. 1-5, the present invention provides a technical solution.
The invention relates to a high-precision auxiliary device for installing a steam turbine rotor, which comprises a base 1 and a support frame 2, wherein the base 1 is used for supporting an upper assembly; the support frame 2 is arranged on the base 1 and is provided with a guide anti-shake assembly and an installation auxiliary assembly; the base 1 is provided with a lifting drive assembly;
The guide anti-shake assembly comprises a sliding chute 3, a sliding block 4, a connecting rod 5 and a fixed plate 6;
The sliding groove 3 is arranged inside the support frame 2, the sliding block 4 is installed 206609 on the sliding groove 3, the connecting rod 5 is installed on the sliding block 4, and the fixing plate 6 is installed between the connecting rods 5.
It should be noted that in the conventional lifting process, the rotor is easy to shake, which 5 brings inconvenience to the construction. Therefore, when the fixed plate 6 is lifted, the sliding block 4 is lifted together with the material box through the connecting rod 5, which can support both sides of the material box and prevent the fixed plate 6 from shaking.
Preferably, the fixing plate 6 is further provided with a hook.
It should be noted that the hook is used to facilitate the attachment of the wire rope 31.
Preferably, further, supporting legs are arranged below the base 1.
It should be noted that the support legs are used to support the entire unit when lifting the rotor position.
Preferably, further, the mounting aid assembly, comprises a motor box 7, a rotating motor 8, a driving groove 9, a driving gear 10, a rotating seat 11, a gear ring 12, a supporting plate 13, an expansion column 14, an electric expansion column 15, a pushing plate 16, a clamping plate 17, a moving groove 18, a sliding plate 19, an upper clamp 20, a lower clamp 21, a rack column 22, an installation groove 23, a driving motor 24 and a main gear 25;
The motor box 7 is mounted on that fixed plate 6, the rotate motor 8 is mounted in the driving groove 9, the driving gear 10 is mounted on the output end of the rotating motor 8 and arranged in the driving groove 9, the rotating seat 11 is mounted in the moving groove 18, and the gear ring 12 is sleeved on the rotating seat 11 and meshed with the driving gear 10. The supporting plate 13 is installed on the rotating seat 11, the clamping plate 17 is connected to the supporting plate 13 through a telescopic column 14, the electric telescopic column 15 is installed on the supporting plate 13, the pushing plate 16 is installed on an electric telescopic column 15, the moving groove 18 and the mounting groove 23 are arranged on the clamping plate 17, and the lower clamp 21 is installed below the clamping plate. The sliding plate 19 is mounted in the 204298 moving groove 18, the rack post 22 is mounted on the sliding block 4 and extends out of the clamping plate 17, the driving motor 24 is mounted in the mounting groove 23, and the main gear 25 is mounted on the output end of the driving motor 24 and engaged with the gear teeth of the rack post 22.
It should be noted that when the rotor is clamped, the rotor is placed on the lower clamp 21, and the driving motor 24 drives the main gear 25 to rotate, so that the rack column 22 drives the sliding plate 19 and the upper clamp 20 to move up and down, so as to clamp and fix the rotor.
By adjusting the extension of the electric telescopic column 15, the horizontal position of the clamping plate 17 can be adjusted in cooperation with the telescopic column 14. Move the outer end of the rotor to the installation position of the rotor on the turbine.
Preferably, further, the push plate 16 and the upper clamp 20 are provided with a rubber pad.
It should be noted that the rubber pad can protect the rotor from collision.
Preferably, the upper clamp 20 is further provided with a scale bar.
It should be noted that the scale bar is used to adjust the distance between the upper jig 20 and the lower jig 21 according to the diameter of the rotor.
Preferably, the lifting driving assembly further comprises a driving box 26, a driver 27, a rotating shaft 28, a rotating bearing 29, a winding reel 30, a steel wire rope 31 and a fixed pulley 32;
The driving box 26 is installed on the base 1, the driver 27 is installed in the driving box 26, the rotating shaft 28 is installed on the output end of the driver 27, the other end of the rotating shaft 28 is connected to the supporting frame 2 through a rotating bearing 29, and the winding drum 30 is sleeved on the rotating shaft. The wire rope 31 is wound on the bobbin 30 and is connected with the material box through the fixed pulley 32.
It should be noted that when the position needs to be moved, the electric telescopic column 206609 15 pushes the support frame 2 out of the receiving groove, and then the elevator can be moved.
When the material is lifted, the electric telescopic column 15 drives the universal wheel to retract to the receiving groove, and the supporting leg is used to support the whole machine.
Preferably, further, the fixed pulleys 32 are respectively arranged on both sides and above the support frame 2.
It should be noted that the driver 27 is started, so that the rotating shaft 28 drives the winding reel 30 to rotate on the rotating bearing 29, so that the wire rope 3 1starts to wind, and the material box is pulled up through the fixed pulley 32, so as to realize the lifting of the rotor position. The fixed pulley 32 can prevent the wire rope 31 from rubbing against the support frame 2, resulting in the wear of the support frame 2 or wire rope 31.
Preferably, further, the retractable wheel assembly comprises a receiving groove 33, an electric retractable post 34 and a universal wheel 35:
The receiving groove is arranged below the base 1, the electric telescopic column 34 is installed in the receiving groove 33, and the universal wheel is installed below the electric telescopic column.
It should be noted that when the position of the device needs to be moved, the electric telescopic column 34 pushes the universal wheel 35 out of the receiving groove 33, and then the device can be moved. At the beginning of installation, the electric telescopic column 34 drives the universal wheel 35 to retract into the receiving groove, and the supporting leg is used to support the whole machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the technology that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A high-precision auxiliary device for installing a steam turbine rotor, comprising a base and a support frame, wherein the base is used for supporting an upper assembly, and the support frame is installed on the base, wherein the support frame is provided with a guide anti-shake assembly and an installation auxiliary assembly, the base is provided with a lifting drive assembly, and a retractable wheel assembly is arranged below the base; The guide anti-shake assembly comprises a sliding chute, a sliding block, a connecting rod and a fixing plate; The sliding block is arranged in the sliding groove, the connecting rod is arranged on the sliding block, and the fixing plate is arranged between the connecting rods.
2. The high-precision auxiliary device for installing a steam turbine rotor according to claim 1, wherein the fixing plate is provided with a hook.
3. The high-precision auxiliary device for installing a steam turbine rotor according to claim 1, wherein supporting legs are arranged below the base.
4. The high-precision auxiliary device for mounting a steam turbine rotor according to claim 1, wherein the mounting auxiliary assembly comprises a motor box, a rotating motor, a driving groove, a driving gear, a rotating seat, a gear ring, a supporting plate, an expansion column, an electric expansion column, a push plate, a clamping plate, a moving groove, a sliding block, an upper clamp, a lower clamp, a rack column, an installation groove, the driving motor and a main gear; The motor box is installed on that fixed plate, the rotate motor is installed in the driving groove, the driving gear is installed on the output end of the rotating motor and arranged in the driving groove, the rotating seat is installed in the moving groove, a gear ring is sleeved on the rotating seat and meshed with the driving gear, a supporting plate is installed on the rotating seat;
The electric telescopic column is installed on the supporting plate, the push plate is installed on the electric telescopic column, the moving groove and the installation groove are arranged on the clamping plate, the lower clamp is installed below the clamping plate, and that main gear is arranged on the output end of the driving motor and is mesh with the gear teeth of the rack column.
5. The high-precision auxiliary device for installing a steam turbine rotor according to claim 4, wherein the push plate and the upper clamp are provided with rubber pads.
6. The high-precision auxiliary device for installing a steam turbine rotor according to claim 4, wherein the upper fixture is provided with a scale bar.
7. The high-precision auxiliary device for installing a steam turbine rotor according to claim 1, wherein the lifting drive assembly comprises a drive box, a driver, a rotating shaft, a rotating bearing, a winding reel, a steel wire rope and a fixed pulley; A driving box is arranged on a base, a driver is arranged in that driving box, a rotating shaft is arranged at the output end of the driver, the other end of the rotate shaft is connected to a support frame through a rotary bearing, a winding drum is sleeved on the rotating shaft, and a steel wire rope is wound on the winding drum and connected with a material box through a fixed pulley.
8. The high-precision auxiliary device for mounting a steam turbine rotor according to claim 7, wherein the fixed pulleys are respectively arranged on both sides and above the support frame.
9. The high-precision auxiliary device for installing a steam turbine rotor according to claim 1, wherein the retractable wheel assembly comprises a receiving groove, an electric retractable post and a universal wheel, The receiving groove is arranged below the base, the electric telescopic column is arranged 1n the receiving groove, and the universal wheel is arranged below the electric telescopic column.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211354071.2A CN115898571B (en) | 2022-10-31 | 2022-10-31 | A high-precision auxiliary device for installing a steam turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU504293B1 true LU504293B1 (en) | 2024-06-28 |
Family
ID=86470186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU504293A LU504293B1 (en) | 2022-10-31 | 2022-12-30 | A high-precision auxiliary device for installing steam turbine rotor |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN115898571B (en) |
| LU (1) | LU504293B1 (en) |
| WO (1) | WO2024093010A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4088369B2 (en) * | 1998-06-09 | 2008-05-21 | 三菱重工業株式会社 | Transportation method and transportation jig for low-pressure steam turbine |
| CN207999291U (en) * | 2018-03-16 | 2018-10-23 | 浙江辽汽汽轮机有限公司 | A kind of device for installing steam turbine |
| GB2582969A (en) * | 2019-04-12 | 2020-10-14 | Rolls Royce Plc | Accessory gearbox assembly |
| CN110723634A (en) * | 2019-11-09 | 2020-01-24 | 国网河南省电力公司新安县供电公司 | Suspension device for mounting power equipment for power engineering |
| CN111326970A (en) * | 2020-04-22 | 2020-06-23 | 安徽广祺智能电器股份有限公司 | Power equipment installation insulating frame capable of being installed quickly |
| CN214167188U (en) * | 2021-01-14 | 2021-09-10 | 范琳 | Auxiliary device is used in installation of steam turbine rotor of thermal power plant convenient to adjust |
| CN216426489U (en) * | 2021-09-02 | 2022-05-03 | 华能南京金陵发电有限公司 | Lifting equipment for steam-electricity double-drive steam turbine |
| CN216737360U (en) * | 2021-11-16 | 2022-06-14 | 国电建三江前进生物质发电有限公司 | Auxiliary device is used in installation of steam turbine rotor of thermal power plant with adjustment mechanism |
-
2022
- 2022-10-31 CN CN202211354071.2A patent/CN115898571B/en active Active
- 2022-12-30 WO PCT/CN2022/144173 patent/WO2024093010A1/en not_active Ceased
- 2022-12-30 LU LU504293A patent/LU504293B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN115898571A (en) | 2023-04-04 |
| WO2024093010A1 (en) | 2024-05-10 |
| CN115898571B (en) | 2025-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Effective date: 20240628 |