CN220248520U - Hydraulic assembly of steam turbine - Google Patents
Hydraulic assembly of steam turbine Download PDFInfo
- Publication number
- CN220248520U CN220248520U CN202320180199.5U CN202320180199U CN220248520U CN 220248520 U CN220248520 U CN 220248520U CN 202320180199 U CN202320180199 U CN 202320180199U CN 220248520 U CN220248520 U CN 220248520U
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- piston rod
- oil
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- oil chamber
- spring
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- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 74
- 239000010720 hydraulic oil Substances 0.000 abstract description 24
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Control Of Turbines (AREA)
Abstract
The utility model discloses a hydraulic component of a steam turbine, which comprises a shell, a piston, an oil chamber A and an oil chamber B, wherein the piston is arranged in the shell and divides the interior of the shell into the oil chamber A and the oil chamber B, one side of the piston is connected with a piston rod, the interior of the piston rod extending to a connecting shell is connected with a connecting plate, one side of the connecting plate is fixedly connected with a spring, and one end of the spring is fixedly connected with a mounting plate. When the piston rod is retracted, hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back into the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the reset capability of the spring, the steam valve is conveniently and rapidly closed, and the double retraction arrangement increases the use safety.
Description
Technical Field
The utility model relates to the technical field of steam turbines, in particular to a hydraulic component of a steam turbine.
Background
The steam turbine is a short for a steam turbine and a steam turbine, 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 simultaneously does work to the outside. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants.
Through searching, chinese patent No. CN110388353A is a hydraulic cylinder and a steam turbine, and relates to the technical field of cylinders. The hydraulic cylinder comprises a piston cylinder assembly, a piston rod assembly and an elastic piece. The piston rod assembly is movably connected with the piston cylinder assembly, the elastic piece is arranged between the piston rod assembly and the piston cylinder assembly in a telescopic mode, and when the piston rod assembly moves relative to the piston cylinder assembly under the action of external force, the elastic piece is compressed to drive the piston rod assembly to reset. According to the hydraulic cylinder, the space occupied by the hydraulic cylinder is reduced by designing the relative positions of the elastic piece, the piston cylinder assembly and the piston rod assembly, so that the whole structure is compact, the installation is convenient, the elastic piece can provide enough elastic force, and the piston rod assembly is guaranteed to reset quickly in the required time.
The existing device has the following problems when in use: the piston rod on the oil cylinder is used for adjusting the steam valve, and when an emergency occurs, the steam valve cannot be quickly closed, so that safety accidents are easily caused, and the use safety is reduced.
Disclosure of Invention
The utility model aims to provide a hydraulic component of a steam turbine, which solves the problems that a piston rod on an oil cylinder is used for adjusting a steam valve in the prior art, the steam valve cannot be quickly closed in case of emergency, safety accidents are easy to cause, and the use safety is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the hydraulic component of the steam turbine comprises a shell, a piston, an oil chamber A and an oil chamber B, wherein the piston is arranged in the shell and divides the interior of the shell into the oil chamber A and the oil chamber B, one side of the piston is connected with a piston rod, the piston rod extends to the interior of a connecting shell and is connected with a connecting plate, one side of the connecting plate is fixedly connected with a spring, and one end of the spring is fixedly connected with a mounting plate; when the piston rod is retracted, hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back to the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the reset capability of the spring, the steam valve is conveniently and rapidly closed, and the use safety is improved due to double retraction.
Preferably, a connection case is mounted to one side of the case through a mounting bolt.
Preferably, a cushion pad is mounted on the side of the piston remote from the piston rod.
Preferably, an oil inlet pipe A is arranged at the top of the oil chamber A, and an oil inlet pipe B is arranged at the top of the oil chamber B.
Preferably, the inside of mounting panel has seted up the connecting hole, the connecting hole passes through the inside of bolt-mounting in the coupling shell.
Preferably, a spring is arranged in the connecting shell, and a piston rod is arranged in the spring.
Preferably, the piston rod penetrates through the connecting plate and the mounting plate.
Compared with the prior art, the utility model has the beneficial effects that: the hydraulic oil enters the oil chamber A through the oil inlet pipe A so that the piston rod moves, the piston rod drives the connecting plate to move in the connecting shell when moving, so that the spring is extruded, when the piston rod retracts, the hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back into the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the reset capability of the spring, the steam valve is conveniently and rapidly closed, and the double retraction arrangement increases the use safety; when the piston rod is retracted, hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back to the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the resetting capability of the spring, the steam valve is conveniently and rapidly closed, and the double retraction arrangement increases the use safety; when the piston rod is retracted, hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back to the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the reset capability of the spring, the steam valve is conveniently and rapidly closed, and the use safety is improved due to double retraction.
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, serve to explain the utility model. In the drawings:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional structure of the present utility model.
Fig. 3 is a schematic view of the structure of the connection shell of the present utility model.
Fig. 4 is a schematic view of the spring structure of the present utility model.
In the figure: 1. a housing; 2. a cushion pad; 3. an oil inlet pipe A; 4. a piston; 5. a piston rod; 6. an oil inlet pipe B; 7. a connection housing; 8. installing a bolt; 9. a mounting plate; 10. a spring; 11. a connecting plate; 12. a connection hole; 13. an oil chamber a; 14. and an oil chamber B.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments 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, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3 and 4, in the embodiment of the present utility model, a hydraulic component of a turbine includes a housing 1, a piston 4, an oil chamber a13 and an oil chamber B14, the piston 4 is disposed in the housing 1, the interior of the housing 1 is divided into the oil chamber a13 and the oil chamber B14 by the piston 4, hydraulic oil enters the interior of the oil chamber a13 through an oil inlet pipe A3 so as to move a piston rod 5, one side of the piston 4 is connected with the piston rod 5, the piston rod 5 extends to the interior of a connection housing 7 and is connected with a connection plate 11, one side of the connection plate 11 is fixedly connected with a spring 10, one end of the spring 10 is fixedly connected with a mounting plate 9, the piston rod 5 drives the connection plate 11 to move in the interior of the connection housing 7 when moving, so as to squeeze the spring 10, one side of the housing 1 is provided with the connection housing 7 through a mounting bolt 8, the cushion pad 2 is arranged on one side, far away from the piston rod 5, of the piston 4, the cushion is increased, the service life of the piston 4 is prolonged, an oil inlet pipe A3 is arranged at the top of an oil chamber A13, an oil inlet pipe B6 is arranged at the top of an oil chamber B14, when the piston rod 5 is retracted, hydraulic oil enters the oil chamber B14 through the oil inlet pipe B6, at the moment, hydraulic oil in the oil chamber A13 flows back into the oil inlet pipe A3 due to pressure, the retraction speed of the piston rod 5 is accelerated by the resetting capability of a spring 10, a steam valve is conveniently and rapidly closed, the double retraction setting increases the use safety, a connecting hole 12 is formed in the mounting plate 9, the connecting hole 12 is arranged in the connecting shell 7 through a bolt, a spring 10 is arranged in the connecting shell 7, the piston rod 5 penetrates through the connecting plate 11 and the mounting plate 9; the hydraulic oil enters the oil chamber A13 through the oil inlet pipe A3 so that the piston rod 5 moves, the piston rod 5 drives the connecting plate 11 to move in the connecting shell 7 during movement, so that the spring 10 is extruded, when the piston rod 5 retracts, the hydraulic oil enters the oil chamber B14 through the oil inlet pipe B6, at the moment, the hydraulic oil in the oil chamber A13 flows back into the oil inlet pipe A3 due to pressure, the retracting speed of the piston rod 5 is accelerated by the resetting capability of the spring 10, the steam valve is conveniently and rapidly closed, and the double retracting arrangement increases the use safety; when the piston rod is retracted, hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back to the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the reset capability of the spring, the steam valve is conveniently and rapidly closed, and the use safety is improved due to double retraction.
The working principle of the utility model is as follows: the hydraulic oil enters the oil chamber A13 through the oil inlet pipe A3 so that the piston rod 5 moves, the piston rod 5 drives the connecting plate 11 to move in the connecting shell 7 during movement, so that the spring 10 is extruded, when the piston rod 5 retracts, the hydraulic oil enters the oil chamber B14 through the oil inlet pipe B6, at the moment, the hydraulic oil in the oil chamber A13 flows back into the oil inlet pipe A3 due to pressure, the retracting speed of the piston rod 5 is accelerated by the resetting capability of the spring 10, the steam valve is conveniently and rapidly closed, and the double retracting arrangement increases the use safety; when the piston rod is retracted, hydraulic oil enters the oil chamber B through the oil inlet pipe B, at the moment, the hydraulic oil in the oil chamber A flows back to the oil inlet pipe A due to pressure, the retraction speed of the piston rod is accelerated by the reset capability of the spring, the steam valve is conveniently and rapidly closed, and the use safety is improved due to double retraction.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a turbine hydraulic assembly, includes casing (1), piston (4), oil pocket A (13), oil pocket B (14), its characterized in that: the inside of casing (1) is provided with piston (4), the inside of piston (4) with casing (1) is separated into oil pocket A (13), oil pocket B (14), one side of piston (4) is connected with piston rod (5), the inside that piston rod (5) extend to coupling shell (7) is connected with connecting plate (11), one side fixedly connected with spring (10) of connecting plate (11), one end fixedly connected with mounting panel (9) of spring (10).
2. A turbine hydraulic assembly as claimed in claim 1, wherein: one side of the shell (1) is provided with a connecting shell (7) through a mounting bolt (8).
3. A turbine hydraulic assembly as claimed in claim 1, wherein: and a cushion pad (2) is arranged on one side of the piston (4) away from the piston rod (5).
4. A turbine hydraulic assembly as claimed in claim 1, wherein: an oil inlet pipe A (3) is arranged at the top of the oil chamber A (13).
5. A turbine hydraulic assembly as claimed in claim 1, wherein: an oil inlet pipe B (6) is arranged at the top of the oil chamber B (14).
6. A turbine hydraulic assembly as claimed in claim 1, wherein: the inside of mounting panel (9) has seted up connecting hole (12).
7. A turbine hydraulic assembly as claimed in claim 6, wherein: the connecting hole (12) is arranged in the connecting shell (7) through a bolt.
8. A turbine hydraulic assembly as claimed in claim 1, wherein: a spring (10) is arranged in the connecting shell (7).
9. A turbine hydraulic assembly as claimed in claim 8, wherein: a piston rod (5) is arranged in the spring (10).
10. A turbine hydraulic assembly as claimed in claim 1, wherein: the piston rod (5) penetrates through the connecting plate (11) and the mounting plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180199.5U CN220248520U (en) | 2023-02-10 | 2023-02-10 | Hydraulic assembly of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180199.5U CN220248520U (en) | 2023-02-10 | 2023-02-10 | Hydraulic assembly of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248520U true CN220248520U (en) | 2023-12-26 |
Family
ID=89235255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320180199.5U Active CN220248520U (en) | 2023-02-10 | 2023-02-10 | Hydraulic assembly of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248520U (en) |
-
2023
- 2023-02-10 CN CN202320180199.5U patent/CN220248520U/en active Active
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