CN214036901U - Steam turbine embedded regulating steam valve seat - Google Patents
Steam turbine embedded regulating steam valve seat Download PDFInfo
- Publication number
- CN214036901U CN214036901U CN202022905973.3U CN202022905973U CN214036901U CN 214036901 U CN214036901 U CN 214036901U CN 202022905973 U CN202022905973 U CN 202022905973U CN 214036901 U CN214036901 U CN 214036901U
- Authority
- CN
- China
- Prior art keywords
- valve
- bolt
- steam turbine
- steam
- positioning pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
- Control Of Turbines (AREA)
Abstract
The utility model discloses a steam turbine inserted regulating steam valve seat, which belongs to the field of steam turbine devices and comprises a valve beam, wherein the inside of the valve beam is connected with a lining through threads, the inside of the lining is sleeved with a bolt in a sliding way, the lower end of the bolt is connected with a butterfly valve through threads, the inside of the butterfly valve is provided with a pin groove, a positioning pin is inserted into the pin groove, the lower end of the positioning pin is tightly attached with an end cover, the inside of the lower end of the end cover is provided with an inner hexagonal hole, the steam turbine inserted regulating steam valve seat can prevent the bolt from rubbing with the inside of the valve beam by installing the lining in the valve beam, the service life of the steam turbine inserted regulating steam valve seat is shortened, and the design of the lining can improve the stability of the longitudinal movement of the bolt so that the butterfly valve can accurately align to an air inlet of the valve seat; the bolt lower end is clamped and fixed through the positioning pin, the end cover is tightly screwed, the bolt is prevented from being automatically rotated and loosened during longitudinal movement, the safety of operation of a steam turbine unit is improved, and the positioning pin can be fixed through the design of the end cover to prevent the positioning pin from slipping.
Description
Technical Field
The utility model relates to a steam turbine device field, more specifically say, relate to a steam turbine inserted regulating valve disk seat.
Background
The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants.
The steam valve disk seat is adjusted to current steam turbine inserted, can drive bolt longitudinal movement during valve roof beam longitudinal movement, leads to valve roof beam and bolt to produce wearing and tearing, reduces life, simultaneously, can rotate during bolt longitudinal movement, can be connected not hard up with the butterfly valve for a long time, easily causes mechanical operation trouble. Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a steam turbine embedded regulating steam valve seat, which can prevent the friction between the bolt and the inside of the valve beam and reduce the service life of the valve beam by installing a bush in the valve beam, and the design of the bush can improve the stability of the longitudinal movement of the bolt so that the butterfly valve can be accurately aligned with the air inlet of the valve seat; the bolt lower end is clamped and fixed through the positioning pin, the end cover is tightly screwed, the bolt is prevented from being automatically rotated and loosened during longitudinal movement, the safety of operation of a steam turbine unit is improved, and the positioning pin can be fixed through the design of the end cover to prevent the positioning pin from slipping.
In order to solve the above problems, the utility model adopts the following technical proposal.
A steam turbine embedded regulating steam valve seat comprises a valve beam, wherein a lining is connected inside the valve beam through threads, a bolt is sleeved inside the lining in a sliding mode, the lower end of the bolt is connected with a butterfly valve through threads, a pin groove is formed inside the butterfly valve, a positioning pin is inserted into the pin groove in a penetrating mode, an end cover is tightly attached to the lower end of the positioning pin, a hexagonal hole is formed inside the lower end of the end cover, and the lining is installed inside the valve beam, so that the bolt and the valve beam can be prevented from being rubbed inside the steam turbine embedded regulating steam valve seat, the service life of the steam turbine embedded regulating steam valve seat is shortened, and the design of the lining can improve the stability of longitudinal movement of the bolt, so that the butterfly valve can be accurately aligned with an air inlet of the valve seat; the bolt lower end is clamped and fixed through the positioning pin, the end cover is tightly screwed, the bolt is prevented from being automatically rotated and loosened during longitudinal movement, the safety of operation of a steam turbine unit is improved, and the positioning pin can be fixed through the design of the end cover to prevent the positioning pin from slipping.
Furthermore, lubricating oil is smeared inside the lining, and the lining is installed inside the valve beam, so that the friction between the bolt and the inside of the valve beam can be prevented, and the service life of the valve beam is shortened.
Furthermore, the valve seats are tightly attached to the lower ends of the two sides of the butterfly valve, and the stability of longitudinal movement of the bolt can be improved due to the design of the bushing, so that the butterfly valve can be accurately aligned to the air inlet of the valve seats.
Furthermore, the upper end fastening plug bolt lower extreme of locating pin, it is fixed to carry out the joint through the locating pin to bolt lower extreme inside to turn round tight end cover, it is not hard up to rotate voluntarily when can preventing bolt longitudinal movement, has improved the security of steam turbine unit operation.
Further, the end cover passes through the lower extreme of threaded connection butterfly valve, and the design of end cover can be fixed the locating pin, prevents its slippage.
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, the lining is arranged in the valve beam, so that friction between the bolt and the interior of the valve beam can be prevented, the service life of the valve beam is shortened, and the design of the lining can improve the stability of longitudinal movement of the bolt so that the butterfly valve can be accurately aligned to the air inlet of the valve seat; the bolt lower end is clamped and fixed through the positioning pin, the end cover is tightly screwed, the bolt is prevented from being automatically rotated and loosened during longitudinal movement, the safety of operation of a steam turbine unit is improved, and the positioning pin can be fixed through the design of the end cover to prevent the positioning pin from slipping.
(2) Lubricating oil is smeared inside the lining, and the lining is installed inside the valve beam, so that the friction between the bolt and the inside of the valve beam can be prevented, and the service life of the valve beam is shortened.
(3) The valve seat is tightly attached to the lower ends of the two sides of the butterfly valve, and the stability of longitudinal movement of the bolt can be improved due to the design of the bushing, so that the butterfly valve can be accurately aligned to the air inlet of the valve seat.
(4) The upper end fastening grafting bolt lower extreme of locating pin carries out the joint through locating pin to bolt lower extreme inside and fixes to turn round tight end cover, it is not hard up to rotate voluntarily when can preventing bolt longitudinal movement, has improved the security of steam turbine unit operation.
(5) The end cover passes through the lower extreme of threaded connection butterfly valve, and the design of end cover can be fixed the locating pin, prevents its slippage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged cross-sectional view of the end cap of the present invention.
The reference numbers in the figures illustrate:
1 valve beam, 11 bushings, 12 bolts, 13 butterfly valves, 14 pin grooves, 15 positioning pins, 16 end covers, 17 hexagon socket holes and 18 valve seats.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-2, the embedded regulating steam valve seat of the steam turbine comprises a valve beam 1, wherein a lining 11 is connected inside the valve beam 1 through threads, a bolt 12 is sleeved inside the lining 11 in a sliding mode, the lower end of the bolt 12 is connected with a butterfly valve 13 through threads, a pin groove 14 is formed inside the butterfly valve 13, a positioning pin 15 is inserted into the pin groove 14 in a penetrating mode, an end cover 16 is attached to the lower end of the positioning pin 15 in a clinging mode, and an inner hexagonal hole 17 is formed inside the lower end of the end cover 16.
Referring to fig. 1-2, the bush 11 is coated with lubricant, the bush 11 is installed inside the valve beam 1 to prevent the bolt 12 from rubbing against the valve beam 1, so as to reduce the service life of the valve beam, the lower ends of the two sides of the butterfly valve 13 are tightly attached to the valve seat 18, and the bush 11 is designed to improve the stability of the longitudinal movement of the bolt 12, so that the butterfly valve 13 can be accurately aligned with the air inlet of the valve seat 18.
Referring to fig. 1-2, the upper end of the positioning pin 15 is fastened to the lower end of the insertion bolt 12, the positioning pin 15 is used for clamping and fixing the inner portion of the lower end of the bolt 12, the end cover 16 is screwed tightly, the bolt 12 can be prevented from automatically rotating and loosening during longitudinal movement, the operation safety of the steam turbine unit is improved, the end cover 16 is connected with the lower end of the butterfly valve 13 through threads, and the positioning pin 15 can be fixed by the design of the end cover 16, so that the positioning pin is prevented from slipping.
The device drives the positioning pin 15 to move longitudinally through the longitudinal movement of the valve beam 1, and drives the butterfly valve 13 to move longitudinally, so that the upper end of the valve seat 18 is opened, and air can be fed.
This steam valve disk seat is adjusted to steam turbine inserted, through at 1 internally mounted bush 11 of valve roof beam, can prevent 1 internal friction of bolt 12 and valve roof beam, reduce its life, the design of bush 11 can improve the stability of 12 longitudinal movement of bolt, so that 18 air inlets of disk seat are aimed at to butterfly valve 13 accuracy, it is fixed to carry out the joint through locating pin 15 to the inside of 12 lower extremes of bolt, and turn round tight end cover 16, automatic rotation is not hard up when can preventing 12 longitudinal movement of bolt, the security of steam turbine unit operation has been improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a steam turbine is inlayed and is adjusted steam valve disk seat, includes valve beam (1), its characterized in that: the valve beam is characterized in that a lining (11) is connected to the inside of the valve beam (1) through threads, a bolt (12) is sleeved on the inside of the lining (11) in a sliding mode, the lower end of the bolt (12) is connected with a butterfly valve (13) through threads, a pin groove (14) is formed in the butterfly valve (13), a positioning pin (15) is inserted into the pin groove (14), an end cover (16) is tightly attached to the lower end of the positioning pin (15), and a hexagon socket (17) is arranged inside the lower end of the end cover (16).
2. The embedded modulating steam valve seat of a steam turbine as claimed in claim 1, wherein: lubricating oil is coated inside the lining (11).
3. The embedded modulating steam valve seat of a steam turbine as claimed in claim 1, wherein: the lower ends of the two sides of the butterfly valve (13) are tightly attached with valve seats (18).
4. The embedded modulating steam valve seat of a steam turbine as claimed in claim 1, wherein: the upper end of the positioning pin (15) is fastened with the lower end of the plug bolt (12).
5. The embedded modulating steam valve seat of a steam turbine as claimed in claim 1, wherein: the end cover (16) is connected with the lower end of the butterfly valve (13) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022905973.3U CN214036901U (en) | 2020-12-05 | 2020-12-05 | Steam turbine embedded regulating steam valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022905973.3U CN214036901U (en) | 2020-12-05 | 2020-12-05 | Steam turbine embedded regulating steam valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036901U true CN214036901U (en) | 2021-08-24 |
Family
ID=77384280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022905973.3U Active CN214036901U (en) | 2020-12-05 | 2020-12-05 | Steam turbine embedded regulating steam valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036901U (en) |
-
2020
- 2020-12-05 CN CN202022905973.3U patent/CN214036901U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8714916B2 (en) | Variable vane assembly for a turbine compressor | |
| JP6717848B2 (en) | System for repairing fasteners attached to reactor walls | |
| US20120076658A1 (en) | Attachment stud for a variable vane assembly of a turbine compressor | |
| EP2299064B1 (en) | Variable stator vane assembly and corresponding compressor for a gas turbine engine | |
| US8186947B2 (en) | Conical pin to maintain bearing system | |
| FR3130877A1 (en) | FLUID TRANSFER DEVICE WITH HYDRAULIC AND MECHANICAL CONNECTION MEANS | |
| US8573944B2 (en) | Anti-wear device of a turbomachine rotor | |
| KR20040111035A (en) | Compressor of turbo machine and its compressor wheel | |
| GB2467226A (en) | Composite rotor blade with integral hub | |
| CN214036901U (en) | Steam turbine embedded regulating steam valve seat | |
| CN207309832U (en) | Minor diameter disk class of making a connection portion set Quick-disassembling tool | |
| CN204716307U (en) | Air seal structure between gas turbine turbine wheel disc and turbine stator blade | |
| CN211448909U (en) | Wind turbine generator system and anti-dislocation device of blade bolt of wind turbine generator system and wind turbine generator system blade | |
| US8814222B2 (en) | Self-sealing tube for a gas turbine secondary air system | |
| CN113280160B (en) | Detachable axial-flow check valve normally open structure | |
| US20130312260A1 (en) | Method and device for modifying a secondary air system in a gas turbine engine | |
| CN219888872U (en) | Valve rod lifting structure capable of preventing rotation from falling off | |
| CN209762030U (en) | Bearing outer ring locking structure suitable for wind power gear box | |
| CN220957035U (en) | High-pressure speed-regulating valve rod anti-drop device of steam turbine | |
| RU2771265C1 (en) | Method for lubrication of the pivot assembly of a wind generator | |
| CN111664273A (en) | Cryogenic axial flow check valve with online maintenance function | |
| JP2009209867A (en) | Supercharger | |
| CN111664121A (en) | Centrifugal compressor blade diffuser adjusting mechanism and control method thereof | |
| CN210422699U (en) | Steam turbine rotor structure | |
| CN217440110U (en) | Steering guide vane assembly of steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |