CN220470030U - Corrosion-resistant and high-temperature-resistant steam turbine rotor - Google Patents
Corrosion-resistant and high-temperature-resistant steam turbine rotor Download PDFInfo
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- CN220470030U CN220470030U CN202321944638.1U CN202321944638U CN220470030U CN 220470030 U CN220470030 U CN 220470030U CN 202321944638 U CN202321944638 U CN 202321944638U CN 220470030 U CN220470030 U CN 220470030U
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- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a corrosion-resistant and high-temperature-resistant turbine rotor, which comprises: an axial positioning groove is formed in the surface of the rotor spindle, and a circumferential positioning groove is formed in the inner wall of the axial positioning groove; the rotor impeller is sleeved on the surface of the rotor main shaft through an impeller connecting sleeve, a control ring mounting groove is formed in the impeller connecting sleeve, a positioning column telescopic groove is formed in the inner wall of the impeller connecting sleeve, and a positioning column is inserted into the positioning column telescopic groove; the control ring is arranged in the control ring mounting groove, and a jacking groove is formed in the surface of the control ring; the beneficial effects are as follows: when the rotor impeller is mounted on the surface of the rotor spindle, the impeller connecting sleeve is sleeved on the surface of the rotor spindle, so that the positioning column is inserted into the axial positioning groove, the position of the rotor impeller in the axial direction of the rotor spindle is fixed, the rotor impeller is rotated, the positioning column is inserted into the circumferential positioning groove, and the position of the rotor impeller in the circumferential direction of the rotor spindle is fixed.
Description
Technical Field
The utility model relates to the technical field of steam turbine rotors, in particular to a corrosion-resistant and high-temperature-resistant steam turbine rotor.
Background
The steam turbine is also called a steam turbine engine, 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 a rotor impeller to enable a rotor to rotate, simultaneously does work outwards, and is a main device of a modern thermal power plant, and is also used in metallurgical industry, chemical industry and ship power devices, and a steam turbine rotor is a main structure of the steam turbine;
the existing steam turbine rotor consists of a main shaft and an impeller, wherein the impeller is connected with the main shaft through a connecting flange, so that accelerated airflow formed by steam passing through a fixed nozzle drives the main shaft to rotate through the impeller, external work is realized through the main shaft, when the impeller is installed on the main shaft, the impeller is required to be lifted and sleeved on the main shaft through a lifting mechanism, then the flange of the impeller is aligned with the flange of the main shaft, the connecting hole of the flange of the impeller is aligned with the connecting hole of the flange of the main shaft through rotating the impeller, and then the flange of the impeller is connected with a main shaft flange through a connecting bolt;
however, in the process of rotating the impeller, the impeller is difficult to accurately stop at a proper position due to the large volume and weight of the impeller and large rotation inertia of the impeller, so that the impeller is difficult to install.
Disclosure of Invention
The utility model aims to provide a corrosion-resistant and high-temperature-resistant steam turbine rotor, which solves the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: a corrosion-resistant, high temperature-resistant steam turbine rotor, the corrosion-resistant, high temperature-resistant steam turbine rotor comprising:
the rotor spindle is provided with an axial positioning groove on the surface, and a circumferential positioning groove is formed in the inner wall of the axial positioning groove;
the rotor impeller is sleeved on the surface of the rotor main shaft through an impeller connecting sleeve, a control ring mounting groove is formed in the impeller connecting sleeve, a positioning column telescopic groove is formed in the inner wall of the impeller connecting sleeve, and a positioning column is inserted into the positioning column telescopic groove;
the control ring is arranged in the control ring mounting groove, and the jacking groove is formed in the surface of the control ring.
Preferably, the axial positioning groove is of an annular groove structure, a plurality of groups of axial positioning grooves are formed in the axial direction of the rotor spindle, a plurality of groups of circumferential positioning grooves are formed in the inner wall of each group of axial positioning grooves, and the plurality of groups of circumferential positioning grooves are distributed in a circumferential array.
Preferably, the impeller connecting sleeve is fixedly connected with the rotor impeller, the surface of the rotor impeller is covered with a corrosion-resistant and high-temperature-resistant material, a deflector rod moving groove is formed in the surface of the impeller connecting sleeve, and the deflector rod moving groove is communicated with the control ring mounting groove.
Preferably, the positioning column expansion groove penetrates through the control ring mounting groove, a plurality of groups of positioning column expansion grooves are formed in the inner wall of each group of impeller connecting sleeve, and the positions of the positioning column expansion grooves correspond to the positions of the circumferential positioning grooves.
Preferably, the inner walls of the positioning column and the positioning column expansion groove are arranged in a sliding mode, the surface of the positioning column penetrates through the control groove, the inner wall of one end, far away from the rotor spindle, of the control groove is arranged to be an inclined plane, and a jacking spring is arranged between one end, far away from the rotor spindle, of the positioning column and the inner wall of the positioning column expansion groove.
Preferably, the control ring is arranged in a sliding manner with the inner wall of the shifting lever moving groove, the control ring is arranged in a sliding manner with the inner wall of the control groove, the shifting lever is fixedly arranged on the surface of the control ring, and the shifting lever extends to the outer side of the impeller connecting sleeve after passing through the shifting lever moving groove.
Preferably, the jacking groove is provided with a plurality of groups, the position of the jacking groove corresponds to the position of the positioning column telescopic groove, the inner wall of one side of the jacking groove is provided with an inclined plane, and the inclined plane of the jacking groove is in sliding fit with the inclined plane of the control groove.
Compared with the prior art, the utility model has the following beneficial effects:
when installing the rotor impeller on the surface of rotor spindle, establish the surface at the rotor spindle through the impeller adapter sleeve cover, make the inside that the reference column inserted axial constant head tank, realize the axial fixed position of rotor impeller at the rotor spindle, rotate the rotor impeller and make the reference column insert the inside of circumference constant head tank, realize the fixed position of rotor impeller at the circumference of rotor spindle, thereby avoided at the in-process of rotatory impeller, because impeller's volume and weight are great, its rotatory inertia is great, be difficult to stop the accurate problem in suitable position of impeller, make the installation of impeller comparatively difficult.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic diagram of a control ring structure according to the present utility model;
FIG. 5 is a schematic view of a rotor spindle according to the present utility model;
fig. 6 is a schematic view of a positioning column structure according to the present utility model.
In the figure: the rotor spindle 1, the axial positioning groove 11, the circumferential positioning groove 12, the rotor impeller 2, the impeller connecting sleeve 21, the deflector rod moving groove 22, the control ring mounting groove 23, the positioning column telescoping groove 24, the control ring 3, the jacking groove 31, the deflector rod 32, the positioning column 4, the control groove 41 and the jacking spring 42.
Detailed Description
In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.
In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that a direct connection indicates that two bodies connected together do not form a connection relationship by an excessive structure, but are connected to form a whole by a connection structure. 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.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 6, the present utility model provides a technical solution: a corrosion-resistant, high temperature-resistant steam turbine rotor, the corrosion-resistant, high temperature-resistant steam turbine rotor comprising:
the rotor spindle 1, the surface of the rotor spindle 1 is provided with axial positioning grooves 11, the inner wall of each axial positioning groove 11 is provided with a circumferential positioning groove 12, each axial positioning groove 11 is provided with a plurality of groups along the axial direction of the rotor spindle 1, the inner wall of each group of axial positioning grooves 11 is provided with a plurality of groups of circumferential positioning grooves 12, and the plurality of groups of circumferential positioning grooves 12 are distributed in a circumferential array;
the rotor impeller 2, the rotor impeller 2 is set up on the surface of the rotor spindle 1 through the impeller connecting sleeve 21, the inside of the impeller connecting sleeve 21 has set up the control ring mounting groove 23, the inner wall of the impeller connecting sleeve 21 has set up the telescopic slot 24 of the locating column, the inside of the telescopic slot 24 of the locating column is pegged graft and has the locating column 4, the impeller connecting sleeve 21 is fixedly connected with rotor impeller 2, the surface of the rotor impeller 2 is covered with the high-temperature resisting material of corrosion resistance, the surface of the impeller connecting sleeve 21 has set up the driving lever and moved the groove 22, driving lever moves the groove 22 and communicates with the control ring mounting groove 23, the telescopic slot 24 of the locating column runs through the mounting groove 23 of the control ring, the inner wall of each set of impeller connecting sleeve 21 has set up the telescopic slot 24 of the locating column of multiple groups, the position of telescopic slot 24 of the locating column corresponds to the position of the circumferential locating slot 12, the telescopic slot 24 of the locating column slides with the inner wall of the telescopic slot 24 of the locating column, the surface of the locating column 4 has set up the control slot 41, the inner wall of one end far away from the rotor spindle 1 of the locating column 41 is set up as the inclined plane, there is a top to hold the spring 42 between the inner wall of the telescopic slot 24 of the locating column 4 and the end far away from the rotor spindle 1;
the control ring 3, the control ring 3 sets up in the inside of control ring mounting groove 23, jacking groove 31 has been seted up on the surface of control ring 3, the inner wall slip setting of control ring 3 and driving lever removal groove 22, and the inner wall slip setting of control ring 3 and control groove 41, the fixed surface mounting of control ring 3 has driving lever 32, driving lever 32 passes the driving lever removal groove 22 after extending to the outside of impeller adapter sleeve 21, the multiunit has been seted up in jacking groove 31, the position in jacking groove 31 corresponds with the position in reference column expansion groove 24, one side inner wall of jacking groove 31 sets up to the inclined plane, and the inclined plane of jacking groove 31 is laminated with the inclined plane slip of control groove 41.
Embodiment one:
when the rotor impeller 2 is installed on the surface of the rotor spindle 1, the deflector rod 32 is pulled to drive the control ring 3 to rotate in the deflector rod moving groove 22, the control ring 3 rotates to drive the inclined surface of the inner wall of the jacking groove 31 and the inclined surface of the inner wall of the control groove 41 to be mutually extruded, the positioning column 4 is retracted into the inner part of the positioning column telescoping groove 24, the impeller connecting sleeve 21 is sleeved on the surface of the rotor spindle 1 at the moment, the impeller connecting sleeve 21 is driven to move on the surface of the rotor spindle 1 by the rotor impeller 2, when the end part of the positioning column 4 is aligned with the axial positioning groove 11, the positioning column 4 is inserted into the inner part of the axial positioning groove 11 under the resilience force of the supporting spring 42, the impeller connecting sleeve 21 is fixed in the axial direction of the rotor spindle 1, then the rotor impeller 2 is rotated under the resilience force of the supporting spring 42, the end part of the positioning column 4 is inserted into the corresponding circumferential positioning groove 12, the connecting hole of the rotor impeller 2 is just aligned with the connecting hole of the rotor spindle 1 at the moment, and the impeller 2 is difficult to rotate in the spindle 1 due to the fact that the connecting hole of the rotor impeller is aligned with the connecting hole of the rotor spindle 1, and the impeller 2 is difficult to rotate, and the problem of the rotating impeller is difficult to be solved, and the rotating is difficult due to the rotating the impeller is difficult to be mounted in the rotating in the spindle is difficult to the proper position.
Embodiment two:
when the rotor is required to be maintained, after the connecting bolts are disassembled, the deflector rod 32 is pulled to enable the positioning column 4 to be contracted into the positioning column expansion groove 24, and at the moment, the impeller connecting sleeve 21 is detached from the surface of the rotor main shaft 1 through the rotor impeller 2.
Working principle: according to the corrosion-resistant high-temperature-resistant steam turbine rotor, when the rotor impeller 2 is mounted on the surface of the rotor spindle 1, the deflector rod 32 is pulled to drive the control ring 3 to rotate in the deflector rod moving groove 22, the control ring 3 rotates to drive the inclined surface of the inner wall of the jacking groove 31 and the inclined surface of the inner wall of the control groove 41 to be mutually extruded, so that the positioning column 4 is retracted into the inner part of the positioning column telescopic groove 24, the impeller connecting sleeve 21 is sleeved on the surface of the rotor spindle 1 at the moment, the impeller connecting sleeve 21 is driven to move on the surface of the rotor spindle 1 by the rotor impeller 2, when the end part of the positioning column 4 is aligned with the axial positioning groove 11, the positioning column 4 is inserted into the inner part of the axial positioning groove 11 under the action of the rebound force of the jacking spring 42, and then the end part of the positioning column 4 is inserted into the inner part of the corresponding circumferential positioning groove 12 when the end part of the positioning column 4 is aligned with the circumferential positioning groove 12, the impeller 2 is positioned in the circumferential direction of the rotor spindle 1, and the problem that the rotation of the impeller 2 is difficult to be precisely stopped in the process of the rotor spindle 1 is solved, and the rotation of the rotor spindle is difficult to be connected with the rotor spindle 1 by the rotor spindle is difficult to be mounted in a proper position.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A corrosion-resistant and high temperature-resistant steam turbine rotor, comprising:
the rotor spindle is provided with an axial positioning groove on the surface, and a circumferential positioning groove is formed in the inner wall of the axial positioning groove;
the rotor impeller is sleeved on the surface of the rotor main shaft through an impeller connecting sleeve, a control ring mounting groove is formed in the impeller connecting sleeve, a positioning column telescopic groove is formed in the inner wall of the impeller connecting sleeve, and a positioning column is inserted into the positioning column telescopic groove;
the control ring is arranged in the control ring mounting groove, and the jacking groove is formed in the surface of the control ring.
2. A corrosion-resistant and high temperature-resistant steam turbine rotor as set forth in claim 1, wherein: the axial positioning grooves are of annular groove structures, a plurality of groups of axial positioning grooves are formed in the axial direction of the rotor spindle, a plurality of groups of circumferential positioning grooves are formed in the inner wall of each group of axial positioning grooves, and the plurality of groups of circumferential positioning grooves are distributed in a circumferential array.
3. A corrosion-resistant and high temperature-resistant steam turbine rotor as set forth in claim 1, wherein: the impeller connecting sleeve is fixedly connected with the rotor impeller, the surface of the rotor impeller is covered with a corrosion-resistant and high-temperature-resistant material, a deflector rod moving groove is formed in the surface of the impeller connecting sleeve, and the deflector rod moving groove is communicated with the control ring mounting groove.
4. A corrosion-resistant and high temperature-resistant steam turbine rotor according to claim 3, wherein: the positioning column expansion grooves penetrate through the control ring mounting grooves, a plurality of groups of positioning column expansion grooves are formed in the inner wall of each group of impeller connecting sleeve, and the positions of the positioning column expansion grooves correspond to the positions of the circumferential positioning grooves.
5. The corrosion-and high-temperature-resistant steam turbine rotor of claim 4, wherein: the inner walls of the positioning column and the positioning column telescopic groove are arranged in a sliding mode, the surface of the positioning column penetrates through the control groove, the inner wall of one end, far away from the rotor spindle, of the control groove is set to be an inclined plane, and a jacking spring is arranged between one end, far away from the rotor spindle, of the positioning column and the inner wall of the positioning column telescopic groove.
6. A corrosion-resistant and high temperature-resistant steam turbine rotor as set forth in claim 1, wherein: the control ring and the inner wall of the deflector rod moving groove are arranged in a sliding mode, the control ring and the inner wall of the control groove are arranged in a sliding mode, the deflector rod is fixedly installed on the surface of the control ring, and the deflector rod penetrates through the deflector rod moving groove and then extends to the outer side of the impeller connecting sleeve.
7. The corrosion-and high-temperature-resistant steam turbine rotor of claim 6, wherein: the jacking grooves are formed in multiple groups, the positions of the jacking grooves correspond to the positions of the telescopic grooves of the positioning columns, the inner wall of one side of each jacking groove is set to be an inclined plane, and the inclined planes of the jacking grooves are in sliding fit with the inclined planes of the control grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321944638.1U CN220470030U (en) | 2023-07-24 | 2023-07-24 | Corrosion-resistant and high-temperature-resistant steam turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321944638.1U CN220470030U (en) | 2023-07-24 | 2023-07-24 | Corrosion-resistant and high-temperature-resistant steam turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470030U true CN220470030U (en) | 2024-02-09 |
Family
ID=89776360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321944638.1U Active CN220470030U (en) | 2023-07-24 | 2023-07-24 | Corrosion-resistant and high-temperature-resistant steam turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470030U (en) |
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2023
- 2023-07-24 CN CN202321944638.1U patent/CN220470030U/en active Active
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