CN219768183U - Be used for turbine blade axle to overhaul support device - Google Patents
Be used for turbine blade axle to overhaul support device Download PDFInfo
- Publication number
- CN219768183U CN219768183U CN202320288951.8U CN202320288951U CN219768183U CN 219768183 U CN219768183 U CN 219768183U CN 202320288951 U CN202320288951 U CN 202320288951U CN 219768183 U CN219768183 U CN 219768183U
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- assembly
- blade shaft
- stand
- fixing
- turbine blade
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- 238000012423 maintenance Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 19
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to the technical field of steam turbine overhaul. The blade shaft needs to be supported by a supporting device during repair. When the supporting device supports the blade shaft in the prior art, a part of the supporting device can be detected by an maintainer, the maintenance personnel wants to carry out omnibearing maintenance, the blade shaft needs to be rotated, and because the equipment is large, the rotation cannot be completed by manpower, so that a lot of problems and inconvenience are produced for work. The utility model provides a support device for overhauling a turbine blade shaft, which comprises a support table assembly, a fixing assembly, a rotating wheel assembly and a driving assembly; the rotating wheel assembly is arranged on the stand assembly, the fixing assemblies are used for fixing the rotating wheels on two sides of the rotating wheels, and the driving assemblies are arranged below the rotating wheel assembly to provide power for the rotating wheels. In use, the blade shaft is placed in the rotary wheel assembly, the motor drives the rotary wheel to rotate through the gear, and the rotary wheel drives the blade shaft to rotate, so that the rotation of the blade shaft can be realized in the repairing process, the working difficulty is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of steam turbine overhaul, in particular to a support device for steam turbine blade shaft overhaul.
Technical Field
The steam turbine is a rotary power machine for converting the energy of steam into mechanical work, is also called a steam turbine, is mainly used as a prime mover for power generation, and can also directly drive various pumps, fans, compressors, ship propellers and the like. The core component on the steam turbine is a blade shaft, the gas entering the steam turbine is split through blades on the blade shaft, and after the blade shaft is used for a period of time, maintenance needs to be carried out, and the blade shaft is supported by a supporting device during maintenance. The supporting device commonly used in the prior art is a supporting frame of a left-right supporting frame type structure, and when in use, the lifted blade shaft is placed on the supporting frame to overhaul the blade shaft. The support frame in the prior art generally only plays a simple supporting role, when the steam turbine is placed on the support frame for maintenance, maintenance staff can often detect half or even less parts at one time, and want to comprehensively maintain the parts of the steam turbine, then the maintenance is needed after the rotation angle of the steam turbine is needed, because the equipment is large, the rotation of the equipment cannot be completed by manpower, the hoisting equipment is needed to be continuously utilized for suspending the steam turbine, the steam turbine is rotated, the steam turbine is relocated on the support frame for maintenance after the angle is adjusted, the steam turbine parts are often required to be lifted and rotated for many times in the maintenance work, thus the working mode not only consumes more manpower, but also has the defects of complex process, large working difficulty, inconvenient operation and low working efficiency.
Disclosure of Invention
In order to solve the problems, the utility model provides the support device for overhauling the turbine blade shaft, which can directly rotate the turbine component on the support frame in the repairing process after the turbine component is placed, thereby greatly reducing the working difficulty and improving the working efficiency.
In order to achieve the technical effects, the utility model provides the following technical scheme.
A turbine blade shaft service bracket apparatus comprising: the device comprises a stand assembly, a fixed assembly, a rotary wheel assembly and a driving assembly; the driving assembly is installed in the inner cavity of the stand assembly, the rotating wheel assembly is installed right above the stand assembly, and the fixing assemblies are installed on two sides of the rotating wheel assembly.
Specifically, the fixed subassembly includes: locking arc, buckling arc and ear plate; the locking arc and the buckling arc are two semicircular structures which can be combined into a complete circle; the lug plates are horizontally fixed at two ends of the locking arc and the buckling arc, and are used for fixedly connecting the locking arc and the buckling arc through bolts when the locking arc and the buckling arc are buckled together; and mounting holes are formed in the inner walls of the locking arc and the buckling arc and are used for mounting and fixing the fixing assembly on the stand assembly through bolts.
Specifically, the fixed subassembly has two sets of, and two sets of fixed subassemblies symmetry are installed in the both sides of swiveling wheel subassembly.
Specifically, the swivel wheel assembly includes: a rotating wheel, a rack and a rubber strip; the rotating wheel is divided into an upper part and a lower part, and the two parts are connected through a butt joint bolt embedded in a butt joint hole; the rack is arranged on the outer wall of the rotating wheel, and the rubber strip is arranged on the inner wall of the rotating wheel.
Specifically, the swivel wheel side is equipped with the recess for the inlaying of fixed subassembly is gone into.
Specifically, the drive assembly includes: a drive motor, a drive gear; the driving gear is arranged on an output shaft of the driving motor.
Specifically, the stand assembly includes: a stand, a hydraulic device and a base; the hydraulic device is arranged on the base, and the stand is arranged on the hydraulic device.
Specifically, the driving groove is formed in the center of the top of the stand, the motor mounting hole is formed in the side face of the stand, and the motor mounting hole is communicated with the inner cavity of the driving groove.
Specifically, placing grooves are formed in two sides of the top of the stand, and screw holes are formed in the placing grooves; the placing groove is used for placing the fixing component; the screw holes are used for fixing the fixing assembly in the placing groove through bolts.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the support device for overhauling the turbine blade shaft, through the design of the two-half type fixing component and the rotating wheel component, after the turbine component is placed on the rotating wheel, the fixing component is locked at the lug plate through the bolt and then is matched with the driving component to work, namely the driving motor drives the rotating wheel to rotate, and when the rotating wheel rotates, the turbine component is driven to rotate through the friction between the rubber strip and the turbine component, so that the 360-degree dead-angle-free overhauling work of the turbine is directly carried out on the support frame, more manpower is saved, the working difficulty is reduced, and the working efficiency is improved.
2. According to the support device for overhauling the turbine blade shaft, the hydraulic device is arranged at the bottom of the stand, when the turbine component is placed on the stand, the height of the stand can be changed directly through the hydraulic device, namely the ground clearance of the turbine component is controlled, the requirement of working height in a small range can be met, and overhauling operation is facilitated for overhauling staff.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, do not limit the utility model;
FIG. 1 is a schematic view of an overall construction of a bracket assembly for servicing a turbine blade shaft;
FIG. 2 is a schematic view of a stationary assembly and a rotating wheel assembly for a turbine blade shaft service bracket assembly;
FIG. 3 is a schematic view of a mounting and drive assembly for a turbine blade shaft service bracket assembly.
Reference numerals:
1. a stand assembly; 11. a stand; 12. a motor mounting hole; 13. a placement groove; 14. a driving groove; 15. a hydraulic device; 16. a base; 2. a fixing assembly; 21. locking an arc; 22. buckling an arc; 23. ear plates; 24. a mounting hole; 3. a rotating wheel assembly; 31. a rotating wheel; 32. a rack; 33. a rubber strip; 34. a groove; 35. a butt joint hole; 4. a drive assembly; 41. a driving motor; 42. and a drive gear.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides a support device for overhauling a turbine blade shaft, which has the following technical scheme:
as shown in fig. 1, a service bracket device for a turbine blade shaft includes: the device comprises a stand assembly 1, a fixed assembly 2, a rotary wheel assembly 3 and a driving assembly 4; the driving assembly 4 is installed in the inner cavity of the stand assembly, the rotating wheel assembly 3 is installed right above the stand assembly, and the fixing assemblies 2 are installed on two sides of the rotating wheel assembly.
Specifically, as shown in fig. 2, the fixing assembly 2 includes: a locking arc 21, a buckling arc 22 and an ear plate 23; the locking arc 21 and the buckling arc 22 are two semicircular structures which can be combined into a complete circle; the lug plates 23 are horizontally fixed at two ends of the locking arc 21 and the buckling arc 22 and are used for fixedly connecting the locking arc and the buckling arc through bolts when the locking arc and the buckling arc are buckled together; the inner walls of the locking arc 21 and the buckling arc 22 are provided with mounting holes 24 for mounting and fixing the fixing assembly 2 on the stand assembly 1 through bolts.
Specifically, the fixed components 2 are two groups, and the two groups of fixed components are symmetrically arranged on two sides of the rotating wheel component 3.
Specifically, as shown in fig. 2, the rotary wheel assembly includes: a rotating wheel 31, a rack 32 and a rubber strip 33; the rotating wheel 31 is divided into an upper part and a lower part, and the two parts are connected through a butt joint bolt embedded in a butt joint hole 35; the rack 32 is arranged on the outer wall of the rotary wheel 31, and the rubber strip 33 is arranged on the inner wall of the rotary wheel 31.
Specifically, the side of the rotating wheel 31 is provided with a groove 34 for embedding the fixed component 2.
Specifically, as shown in fig. 3, the driving assembly 4 includes: a drive motor 41 and a drive gear 42; the drive gear 42 is mounted on the output shaft of the drive motor 41.
Specifically, as shown in fig. 1 and 3, the stand assembly 1 includes: a stand 11, a hydraulic device 15 and a base 16; the hydraulic device 15 is mounted on the base 16, and the stand 11 is mounted on the hydraulic device 15.
Specifically, the base 16 is a trapezoidal base.
Specifically, as shown in fig. 1, a driving slot 14 is formed in the center of the top of the stand 11, a motor mounting hole 12 is formed in the side surface of the stand 11, and the motor mounting hole 12 is communicated with the inner cavity of the driving slot 14.
Specifically, the two sides of the top of the stand 11 are provided with placing grooves 13, and screw holes are formed in the placing grooves 13; the placing groove is used for placing the fixing component 2; the screw holes are used for fixing the fixing assembly 2 in the placing groove 13 through bolts.
In this embodiment, when in installation, half of the rotating wheels 31 are firstly placed in the driving grooves 14 on the stand 11, then the locking arcs 21 are clamped on two sides of the rotating wheels, then the screw rod passes through the installation holes 24 of the locking arcs 21 to be fixed in the screw holes of the placing grooves 13, after the locking arcs 21 are fixed, the other half of the rotating wheels are buckled on the installed rotating wheels, and the two rotating wheels 31 are connected into a whole through the butt joint holes 35 embedded by the butt joint bolts. The buckling arc 22 is buckled above the installed locking arc 21, and the locking arc 21 and the buckling arc 22 are fixedly connected with each other by a screw rod at the position of the lug plate 23. The driving groove 14 in the middle of the top of the stand 11 is communicated with the inner cavity of the motor mounting hole 12 on the side surface of the stand 11, the driving motor 41 with the driving gear 42 is mounted in the inner cavity of the motor mounting hole 12, and at the moment, the driving gear 42 is just positioned in the inner cavity of the driving groove 14 and meshed with the rack of the rotating wheel 31 in the inner cavity of the driving groove 12, and the mounting is completed.
In this embodiment, during operation, the screw at the ear plate 23 is first opened, the fastening arc 22 is removed, the upper rotor is removed, the turbine assembly is placed on the lower rotor, and the upper rotor and the fastening arc 22 are reinstalled.
In this embodiment, the hydraulic device 15 is disposed at the bottom of the stand 11, and when the turbine component is placed on the device, the height of the stand 11 can be changed directly by starting and stopping the hydraulic device 15, that is, the ground clearance of the turbine component is controlled, so that maintenance personnel can conveniently carry out maintenance operation.
Working principle: in operation, a driving motor 41 in a driving assembly 4 drives a driving gear 42 to rotate, the driving gear 42 drives a rotating wheel assembly 3 to rotate through rack meshing, a fixing assembly 2 is used for fixing the rotating wheel assembly 3 at two ends of the rotating wheel assembly 3, and when the rotating wheel assembly 3 rotates, a turbine part is driven to rotate through friction between a rubber strip and the turbine part. Thereby realize directly carrying out 360 rotations to the steam turbine part on the support frame to realize the maintenance work at no dead angle, reduced the work degree of difficulty, make work more convenient, high-efficient.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "coupled" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (9)
1. A support assembly for a turbine blade shaft, comprising: the device comprises a stand assembly (1), a fixed assembly (2), a rotary wheel assembly (3) and a driving assembly (4); the driving assembly (4) is installed in an inner cavity of the stand assembly, the rotary wheel assembly (3) is installed right above the stand assembly, and the fixing assemblies (2) are installed on two sides of the rotary wheel assembly (3).
2. A service bracket arrangement for a turbine blade shaft according to claim 1, characterized in that the fixing assembly (2) comprises: a locking arc (21), a buckling arc (22) and an ear plate (23); the locking arc (21) and the buckling arc (22) are two semicircular structures which can be combined into a complete circle; the lug plates (23) are horizontally fixed at two ends of the locking arc (21) and the buckling arc (22); the inner walls of the locking arc (21) and the buckling arc (22) are provided with mounting holes (24) for mounting and fixing the fixing assembly (2) on the stand assembly (1) through bolts.
3. A support device for the maintenance of a turbine blade shaft according to claim 2, characterized in that said fixed assemblies (2) are provided in two groups, symmetrically mounted on both sides of the rotating wheel assembly (3).
4. The service bracket apparatus for a turbine blade shaft of claim 1, wherein the rotating wheel assembly comprises: a rotating wheel (31), a rack (32) and a rubber strip (33); the rotating wheel (31) is divided into an upper part and a lower part, and the two parts are connected through a butt joint bolt embedded in a butt joint hole (35); the rack (32) is arranged on the outer wall of the rotating wheel (31), and the rubber strip (33) is arranged on the inner wall of the rotating wheel (31).
5. The support device for overhauling a turbine blade shaft according to claim 4, wherein the side surface of the rotating wheel (31) is provided with a groove (34) for embedding the fixing assembly (2) when being connected with the fixing assembly (2).
6. A service bracket arrangement for a turbine blade shaft according to claim 1, characterized in that the drive assembly (4) comprises: a drive motor (41) and a drive gear (42); the drive gear (42) is mounted on the output shaft of the drive motor (41).
7. A service bracket arrangement for a turbine blade shaft according to claim 1, characterized in that the stand assembly (1) comprises: a stand (11), a hydraulic device (15) and a base (16); the hydraulic device (15) is arranged on the base (16), and the stand (11) is arranged on the hydraulic device (15).
8. The support device for overhauling the turbine blade shaft according to claim 7, wherein a driving groove (14) is formed in the center of the top of the stand (11), a motor mounting hole (12) is formed in the side face of the stand (11), and the motor mounting hole (12) is communicated with the inner cavity of the driving groove (14).
9. The support device for overhauling the turbine blade shaft according to claim 7, wherein the two sides of the top of the stand (11) are provided with placing grooves (13), and screw holes are formed in the placing grooves (13); the placing groove is used for placing the fixing component (2); the screw holes are used for fixing the fixing assembly (2) in the placing groove (13) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288951.8U CN219768183U (en) | 2023-02-23 | 2023-02-23 | Be used for turbine blade axle to overhaul support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288951.8U CN219768183U (en) | 2023-02-23 | 2023-02-23 | Be used for turbine blade axle to overhaul support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219768183U true CN219768183U (en) | 2023-09-29 |
Family
ID=88135196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320288951.8U Active CN219768183U (en) | 2023-02-23 | 2023-02-23 | Be used for turbine blade axle to overhaul support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219768183U (en) |
-
2023
- 2023-02-23 CN CN202320288951.8U patent/CN219768183U/en active Active
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| GR01 | Patent grant | ||
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