CN217440110U - Steering guide vane assembly of steam turbine - Google Patents
Steering guide vane assembly of steam turbine Download PDFInfo
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- CN217440110U CN217440110U CN202221180659.6U CN202221180659U CN217440110U CN 217440110 U CN217440110 U CN 217440110U CN 202221180659 U CN202221180659 U CN 202221180659U CN 217440110 U CN217440110 U CN 217440110U
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- guide vane
- clamping sleeve
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Abstract
The utility model discloses a steering guide vane assembly of a steam turbine, which belongs to the technical field of machinery and comprises a guide vane body, radiating holes are formed around the outer wall of the guide vane body, a clamping sleeve is fixedly arranged at the center of the outer wall of the guide vane body, a fixed buckle is fixedly connected around the outer wall of the clamping sleeve, a guide vane assembly is arranged on the inner wall of the clamping sleeve, the outer wall of the guide vane comprises a frame, the frame is fixedly arranged on the inner wall of the clamping sleeve, threaded holes are formed around the outer wall of the frame, a rotating shaft is arranged at the center of the inner wall of the frame, a connecting pin is movably connected with the outer wall of the rotating shaft, and a guide vane is movably connected around the outer wall of the rotating shaft; the utility model relates to a novelty for simple structure and practicality can prevent that the stator from becoming flexible when the high-speed operation of rotor, and is fixed more firm, and the thermal diffusivity is strong, thereby reaches best result of use.
Description
Technical Field
The utility model belongs to the technical field of machinery, concretely relates to turning to stator subassembly of steam turbine.
Background
The steam turbine is also called as 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 then is sprayed onto blades, so that a rotor provided with a blade row rotates and does work outwards at the same time, and the steam turbine is main equipment of a modern thermal power plant and is also used in metallurgical industry, chemical industry and ship power devices; however, the existing steering guide vane assembly of the steam turbine has the problems that the structure is complex, the steering guide vane is easy to loosen when a rotor runs at a high speed, the fixation is not firm enough, the heat dissipation performance is poor, and the optimal use effect cannot be achieved.
Disclosure of Invention
An object of the utility model is to provide a steam turbine turn to stator subassembly to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a steering guide vane assembly of a steam turbine comprises a guide vane body, heat dissipation holes are formed in the periphery of the outer wall of the guide vane body, a clamping sleeve is fixedly installed at the center of the outer wall of the guide vane body, a fixing buckle is fixedly connected to the periphery of the outer wall of the clamping sleeve, the guide vane assembly is installed on the inner wall of the clamping sleeve, a guide vane assembly is installed on the outer wall of the guide vane assembly, the guide vane assembly comprises a frame, the frame is fixedly installed on the inner wall of the clamping sleeve, threaded holes are formed in the periphery of the outer wall of the frame, a rotating shaft is installed at the center of the inner wall of the frame, a connecting pin is movably connected to the outer side wall of the rotating shaft, a guide vane is movably connected to the periphery of the outer wall of the rotating shaft, the fixing assembly comprises a centering sleeve, the centering sleeve is attached to the periphery of the inner wall of the clamping sleeve, a fixing bolt is fixedly installed at the top end of the centering sleeve, and the centering sleeve is fixedly connected with a fixing seat, and the outer side wall of the fixed seat is fixedly connected with a locking nut.
As a preferred embodiment, the clamping sleeve is inserted through the center of the guide vane body, and the clamping sleeve is circular.
In a preferred embodiment, the threaded hole is provided with a threaded thread on an inner wall thereof, and the threaded hole is in threaded connection with the fixing bolt.
In a preferred embodiment, the connecting pin is inserted through the rotating shaft and connected with the clamping sleeve in a penetrating manner.
As a preferred embodiment, the guide vane is spiral, and the periphery of the outer wall of the guide vane is attached to the periphery of the inner wall of the frame.
As a preferred embodiment, the opening of the centering sleeve is arc-shaped, and the centering sleeve is sleeved on the periphery of the outer wall of the frame.
In a preferred embodiment, the fixed seat is fixedly connected with the outer side wall of the clamping sleeve through a locking bolt.
As a preferred embodiment, the locking bolt penetrates through the fixing seat and the clamping sleeve to be fixedly connected with the centering sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the steering guide vane assembly of the steam turbine, the frame, the threaded hole, the rotating shaft, the connecting pin, the guide vane and other structures are arranged, the frame and the centering sleeve are locked and fixed through the matching of the fixing bolt and the threaded hole, the guide vane is prevented from loosening and dislocating when a rotor runs at a high speed, the fixing is firmer, and the practicability is high;
this turning guide vane subassembly of steam turbine through setting up sleeve, fixing bolt, fixing base and locking bolt isotructure of rightting, utilizes the cooperation of locking bolt and fixing base will right sleeve and clamp sleeve fixed connection for the atress is more even, and the support nature is strong, thereby reaches best result of use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a guide vane assembly according to the present invention;
fig. 3 is a schematic structural diagram of the fixing assembly of the present invention.
In the figure: 1. a guide vane body; 2. heat dissipation holes; 3. a clamping sleeve; 4. fixing the buckle; 5. a guide vane assembly; 51. a frame; 52. a threaded hole; 53. a rotating shaft; 54. a connecting pin; 55. a guide vane; 6. a fixing component; 61. a centralizing sleeve; 62. fixing the bolt; 63. a fixed seat; 64. and locking the bolt.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
As shown in the combined drawings 1-3, the utility model provides a steering guide vane assembly of a steam turbine, which comprises a guide vane body 1, heat dissipation holes 2 are arranged on the periphery of the outer wall of the guide vane body 1, a clamping sleeve 3 is fixedly arranged at the center of the outer wall of the guide vane body 1, a fixed buckle 4 is fixedly connected on the periphery of the outer wall of the clamping sleeve 3, a guide vane assembly 5 is arranged on the inner side wall of the clamping sleeve 3, a fixed assembly 6 is arranged on the outer wall of the guide vane assembly 5, the guide vane assembly 5 comprises a frame 51, the frame 51 is fixedly arranged on the inner wall of the clamping sleeve 3, a threaded hole 52 is arranged on the periphery of the outer wall of the frame 51, a rotating shaft 53 is arranged at the center of the inner wall of the frame 51, a connecting pin 54 is movably connected on the outer side wall of the rotating shaft 53, a guide vane 55 is movably connected on the periphery of the outer wall of the rotating shaft 53, the fixed assembly 6 comprises a centering sleeve 61, the centering sleeve 61 is jointed with the periphery of the clamping sleeve 3, and a fixed bolt 62 is fixedly arranged at the top end of the centering sleeve 61, the righting sleeve 61 is arranged on the clamping sleeve 3 and fixedly connected with the fixing seat 63 in a penetrating mode, and the locking nut is fixedly connected with the outer side wall of the fixing seat 63, so that the structure is simple and practical, the guide vane can be prevented from loosening when the rotor runs at a high speed, the fixing is more firm, the heat dissipation performance is strong, and the best using effect is achieved.
Example 2
With reference to fig. 1 and 2, based on the above embodiment 1, the clamping sleeve 3 is inserted through the center of the guide vane body 1, and the clamping sleeve 3 is circular.
Example 3
Referring to fig. 1 and 2, according to embodiment 1 or 2, a threaded thread is formed on an inner wall of the threaded hole 52, and the threaded hole 52 is threadedly coupled to the fixing bolt 62.
Example 4
Referring to fig. 1, 2 and 3, based on the above embodiments 1, 2 or 3, the connecting pin 54 is inserted through the rotating shaft 53 and connected to the clamping sleeve 3.
When using, with stator body 1 and rotor swing joint, dispel the heat through louvre 2, utilize frame 51 to carry out the fixed stay stator 55, the rotor rotates in-process drive pivot 53 and stator 55 and rotates, utilize screw hole 52 to be fixed in frame 51 through fixing bolt 62 and right cover 61 inner wall, it is more firm to make fixed, will right cover 61 and the locking of clamp sleeve 3 through fixing base 63 and locking bolt 64's cooperation, strong support nature, make simple structure and practicality, can prevent when the rotor operates at a high speed that the stator is not hard up, it is more firm to fix, strong heat dissipation, thereby reach best result of use.
Claims (3)
1. The utility model provides a turning to stator subassembly of steam turbine, includes stator body (1), its characterized in that: the guide vane comprises a guide vane body (1), heat dissipation holes (2) are formed in the periphery of the outer wall of the guide vane body (1), a clamping sleeve (3) is fixedly installed at the center of the outer wall of the guide vane body (1), fixing buckles (4) are fixedly connected to the periphery of the outer wall of the clamping sleeve (3), a guide vane assembly (5) is installed on the inner side wall of the clamping sleeve (3), a fixing assembly (6) is installed on the outer wall of the guide vane assembly (5), the guide vane assembly (5) comprises a frame (51), the frame (51) is fixedly installed on the inner wall of the clamping sleeve (3), threaded holes (52) are formed in the periphery of the outer wall of the frame (51), a rotating shaft (53) is installed at the center of the inner wall of the frame (51), a connecting pin (54) is movably connected to the outer side wall of the rotating shaft (53), guide vanes (55) are movably connected to the periphery of the outer wall of the rotating shaft (53), the fixing assembly (6) comprises a centering sleeve (61), and the centering sleeve (61) is attached to the inner wall of the clamping sleeve (3), and the top end of the centering sleeve (61) is fixedly provided with a fixing bolt (62), the centering sleeve (61) penetrates through the clamping sleeve (3) and is fixedly connected with the fixing seat (63), and the outer side wall of the fixing seat (63) is fixedly connected with a locking nut.
2. The turning vane assembly of a steam turbine according to claim 1, wherein: the clamping sleeve (3) is penetrated through the center of the guide vane body (1), and the clamping sleeve (3) is circular; the inner wall of the threaded hole (52) is provided with a threaded wire, and the threaded hole (52) is in threaded connection with the fixing bolt (62); the connecting pin (54) penetrates through the rotating shaft (53) and is connected with the clamping sleeve (3) in a penetrating way; the guide vane (55) is spiral, and the periphery of the outer wall of the guide vane (55) is attached to the periphery of the inner wall of the frame (51).
3. The turning vane assembly of a steam turbine according to claim 1, wherein: the opening of the righting sleeve (61) is arc-shaped, and the righting sleeve (61) is sleeved on the periphery of the outer wall of the frame (51); the fixed seat (63) is fixedly connected with the outer side wall of the clamping sleeve (3) through a locking bolt; the locking bolt (64) penetrates through the fixed seat (63) and the clamping sleeve (3) to be fixedly connected with the centering sleeve (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221180659.6U CN217440110U (en) | 2022-05-17 | 2022-05-17 | Steering guide vane assembly of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221180659.6U CN217440110U (en) | 2022-05-17 | 2022-05-17 | Steering guide vane assembly of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440110U true CN217440110U (en) | 2022-09-16 |
Family
ID=83219176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221180659.6U Active CN217440110U (en) | 2022-05-17 | 2022-05-17 | Steering guide vane assembly of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440110U (en) |
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2022
- 2022-05-17 CN CN202221180659.6U patent/CN217440110U/en active Active
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