CN220395773U - Sleeve for steam seal of steam turbine - Google Patents
Sleeve for steam seal of steam turbine Download PDFInfo
- Publication number
- CN220395773U CN220395773U CN202321903172.0U CN202321903172U CN220395773U CN 220395773 U CN220395773 U CN 220395773U CN 202321903172 U CN202321903172 U CN 202321903172U CN 220395773 U CN220395773 U CN 220395773U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- arc
- plate
- fixedly connected
- annular
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 210000004907 gland Anatomy 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 abstract description 12
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model discloses a sleeve for steam sealing of a steam turbine, which comprises a sleeve, wherein the bottom of the sleeve is fixedly connected with a mounting cylinder, three sliding holes are formed in the outer surface of the mounting cylinder, and sliding rods are connected inside the sliding holes in a sliding manner. This sleeve for steam turbine gland seal, through rotating the rolling disc, make the rolling disc drive annular impeller plate and move downwards, make annular impeller plate drive three impeller block and move downwards through three connecting rods, the impeller block can extrude the inclined plane of swash plate, make the swash plate drive the slide bar and move inwards, thereby the slide bar inwards promotes the arc mounting panel, the arc regulating plate that makes on the three arc mounting panel inserts in the mounting groove, the internal diameter with three arc mounting panel that reduces that can be fine, thereby the installation size of three arc mounting panel of regulation that can be quick, can install the sealing member of different specification size models, telescopic application scope has been improved.
Description
Technical Field
The utility model relates to the technical field of turbines, in particular to a sleeve for a steam seal of a turbine.
Background
The steam turbine is also called 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 simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants.
The structure of the steam turbine sealing element is more complex, and the sealing element comprises a plurality of long thin-wall sleeves, because the sealing element is one of important parts of the rotary machine, the sealing performance is good and bad, and the leakage amount of working medium in the rotary machine is related, so that the output and the efficiency of the rotary machine are affected;
however, the size of the installation position of the existing sleeve for the steam seal of the steam turbine is fixed, so that sealing elements of different types cannot be matched, and the application range of the sleeve for the steam seal is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a sleeve for a steam seal of a steam turbine, and solves the problems that the size of the installation position of the sleeve is fixed, so that sealing elements of different types cannot be adapted, and the application range of the steam seal sleeve is low.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a sleeve for steam turbine gland sealing, includes the sleeve, telescopic bottom fixedly connected with installation section of thick bamboo, three sliding hole has been seted up to the surface of installation section of thick bamboo, the inside sliding connection of sliding hole has the slide bar, and is three the equal fixedly connected with arc mounting panel of inside that just is located the installation section of thick bamboo of one end of slide bar, one side fixedly connected with arc regulating plate of arc mounting panel, the mounting groove with arc regulating plate looks adaptation has been seted up to the opposite side of arc mounting panel, the other end fixedly connected with swash plate of slide bar, the surface of installation section of thick bamboo is provided with pushing mechanism, pushing mechanism's top is provided with adjustment mechanism.
Preferably, the pushing mechanism comprises an annular pushing plate, wherein three connecting rods are fixedly connected to the inner surface of the annular pushing plate, and one end of each connecting rod is fixedly connected with a pushing block matched with the inclined plate.
Preferably, the adjusting mechanism comprises an annular fixing plate, the annular fixing plate is fixedly connected with the upper portion of the outer surface of the mounting cylinder, one side of the top of the annular fixing plate is provided with a threaded rod in threaded connection with an opening, and the bottom end of the threaded rod is rotatably connected with one side of the top of the annular pushing plate through a bearing.
Preferably, the other side at the top of the annular fixed plate is slidably connected with a limiting rod through an opening, and the bottom end of the limiting rod is fixedly connected with the other side at the top of the annular pushing plate.
Preferably, a spring is sleeved on the outer surface of the sliding rod and positioned between the mounting cylinder and the arc-shaped mounting plate.
Preferably, the top end of the threaded rod is fixedly connected with a rotating disc.
Advantageous effects
The utility model provides a sleeve for steam sealing of a steam turbine. Compared with the prior art, the device has the following advantages
The beneficial effects are that:
according to the utility model, the rotating disc is rotated to drive the annular pushing plate to move downwards, the annular pushing plate drives the three pushing blocks to move downwards through the three connecting rods, the pushing blocks can squeeze the inclined plane of the inclined plate, and the inclined plate drives the sliding rod to move inwards, so that the sliding rod pushes the arc-shaped mounting plates inwards, the arc-shaped adjusting plates on the three arc-shaped mounting plates are inserted into the mounting grooves, the inner diameters of the three arc-shaped mounting plates can be well reduced, the mounting sizes of the three arc-shaped mounting plates can be rapidly adjusted, sealing pieces with different specifications and sizes can be mounted, and the application range of the sleeve is improved.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a bottom view of the structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the mounting cylinder, sliding hole, sliding rod, arc mounting plate, arc adjusting plate, sloping plate, spring and pushing mechanism of the present utility model;
FIG. 4 is a schematic view of the structure of the mounting cylinder and the sliding hole of the present utility model;
FIG. 5 is a schematic view of the structure of the slide bar, arcuate mounting plate, arcuate adjusting plate swash plate and spring of the present utility model;
FIG. 6 is a schematic view of the structure of the arcuate mounting plate, arcuate adjustment plate and mounting slot of the present utility model;
fig. 7 is a schematic structural view of the annular pusher plate, the connecting rod and the pusher block of the present utility model.
In the figure: 1. a sleeve; 2. a mounting cylinder; 3. a sliding hole; 4. a slide bar; 5. an arc-shaped mounting plate; 6. an arc-shaped adjusting plate; 7. a mounting groove; 8. a sloping plate; 9. a pushing mechanism; 10. an adjusting mechanism; 11. a spring; 12. a rotating disc; 91. an annular pushing plate; 92. a connecting rod; 93. a pushing block; 101. an annular fixing plate; 102. a threaded rod; 103. and a limit rod.
Detailed Description
The technical solutions in 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.
Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a sleeve for steam turbine gland sealing, including sleeve 1, sleeve 1's bottom fixedly connected with installation section of thick bamboo 2, three slide hole 3 has been seted up to installation section of thick bamboo 2's surface, slide hole 3's inside sliding connection has slide bar 4, three slide bar 4's one end just is located installation section of thick bamboo 2's inside all fixedly connected with arc mounting panel 5, as the detailed description, in order to ensure slide bar 4's stability, slide bar 4's surface just is located the cover between installation section of thick bamboo 2 and the arc mounting panel 5 and is equipped with spring 11, arc mounting panel 5's one side fixedly connected with arc regulating plate 6, as the detailed description, arc regulating plate 6 is the metal soft board, the opposite side of arc mounting panel 5 has been seted up with arc regulating plate 6 looks adaptation's mounting groove 7, slide bar 4's the other end fixedly connected with swash plate 8, installation section of thick bamboo 2's surface is provided with pushing mechanism 9, pushing mechanism 9's top is provided with adjustment mechanism 10.
Further, to facilitate rotation of the threaded rod 102, a rotating disc 12 is fixedly connected to the top end of the threaded rod 102.
Further, in order to facilitate pushing the inclined plate 8 to move, the pushing mechanism 9 comprises an annular pushing plate 91, the inner surface of the annular pushing plate 91 is fixedly connected with three connecting rods 92, and one end of each connecting rod 92 is fixedly connected with a pushing block 93 matched with the inclined plate 8.
Further, in order to drive the annular pushing plate 91 to move, the adjusting mechanism 10 comprises an annular fixing plate 101, the annular fixing plate 101 is fixedly connected with the upper portion of the outer surface of the mounting cylinder 2, one side of the top of the annular fixing plate 101 is provided with a threaded rod 102 in threaded connection with an opening, the bottom end of the threaded rod 102 is rotatably connected with one side of the top of the annular pushing plate 91 through a bearing, the other side of the top of the annular fixing plate 101 is provided with a limiting rod 103 in sliding connection with the opening, and the bottom end of the limiting rod 103 is fixedly connected with the other side of the top of the annular pushing plate 91.
When the rotary disc type steam seal device is used, a steam seal is required to be placed in the mounting cylinder 2, the rotary disc 12 is rotated to enable the rotary disc 12 to drive the threaded rod 102 to rotate, the annular push plate 91 is limited by the sliding of the limiting rod 103, the threaded rod 102 drives the annular push plate 91 to move downwards, the annular push plate 91 respectively drives the three push blocks 93 to move downwards through the three connecting rods 92, the inclined surfaces of the three inclined plates 8 are respectively extruded by the downward movement of the three push blocks 93, the inclined plates 8 are enabled to move into the mounting cylinder 2, the three sliding rods 4 are driven to respectively move into the mounting cylinder 2, the three sliding rods 4 respectively push the three arc-shaped mounting plates 5 inwards, the arc-shaped adjusting plates 6 on the three arc-shaped mounting plates 5 are inserted into the mounting grooves 7, the inner diameters of the three arc-shaped mounting plates 5 are reduced, accordingly the rotating shafts of the steam seal are clamped by the three arc-shaped mounting plates 5, and the rotating shafts of different specifications are clamped and fixed by rotating the threaded rod 102.
Claims (6)
1. The sleeve for steam sealing of the steam turbine comprises a sleeve (1), and is characterized in that: the novel sliding sleeve comprises a sleeve body (1), wherein a mounting cylinder (2) is fixedly connected to the bottom of the sleeve body (1), three sliding holes (3) are formed in the outer surface of the mounting cylinder (2), sliding rods (4) are slidably connected to the inner portions of the sliding holes (3), arc-shaped mounting plates (5) are fixedly connected to one ends of the sliding rods (4) and located in the mounting cylinder (2), arc-shaped adjusting plates (6) are fixedly connected to one sides of the arc-shaped mounting plates (5), mounting grooves (7) matched with the arc-shaped adjusting plates (6) are formed in the other sides of the arc-shaped mounting plates (5), inclined plates (8) are fixedly connected to the other ends of the sliding rods (4), pushing mechanisms (9) are arranged on the outer surface of the mounting cylinder (2), and adjusting mechanisms (10) are arranged above the pushing mechanisms (9).
2. The sleeve for steam seals of a steam turbine of claim 1, wherein: the pushing mechanism (9) comprises an annular pushing plate (91), three connecting rods (92) are fixedly connected to the inner surface of the annular pushing plate (91), and pushing blocks (93) matched with the inclined plate (8) are fixedly connected to one ends of the connecting rods (92).
3. A sleeve for a steam turbine gland according to claim 2, wherein: the adjusting mechanism (10) comprises an annular fixing plate (101), the annular fixing plate (101) is fixedly connected with the upper portion of the outer surface of the mounting cylinder (2), one side of the top of the annular fixing plate (101) is connected with a threaded rod (102) through an opening thread, and the bottom end of the threaded rod (102) is rotatably connected with one side of the top of the annular pushing plate (91) through a bearing.
4. A sleeve for a steam turbine gland according to claim 3, wherein: the other side at the top of the annular fixed plate (101) is slidably connected with a limiting rod (103) through an opening, and the bottom end of the limiting rod (103) is fixedly connected with the other side at the top of the annular pushing plate (91).
5. The sleeve for steam seals of a steam turbine of claim 1, wherein: the outer surface of the sliding rod (4) is sleeved with a spring (11) between the mounting cylinder (2) and the arc-shaped mounting plate (5).
6. A sleeve for a steam turbine gland according to claim 3, wherein: the top end of the threaded rod (102) is fixedly connected with a rotating disc (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903172.0U CN220395773U (en) | 2023-07-19 | 2023-07-19 | Sleeve for steam seal of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903172.0U CN220395773U (en) | 2023-07-19 | 2023-07-19 | Sleeve for steam seal of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395773U true CN220395773U (en) | 2024-01-26 |
Family
ID=89600262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321903172.0U Active CN220395773U (en) | 2023-07-19 | 2023-07-19 | Sleeve for steam seal of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395773U (en) |
-
2023
- 2023-07-19 CN CN202321903172.0U patent/CN220395773U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220395773U (en) | Sleeve for steam seal of steam turbine | |
| CN201871973U (en) | Precise positioning clamp for digital control processing of thin-walled blade | |
| CN212154875U (en) | Steam turbine breather pipe | |
| CN216811787U (en) | Low-pressure cylinder final-stage blade for heating unit | |
| CN208184879U (en) | A kind of hydraulic turbine of intelligent maintenance adjustment guide vanes of water turbine | |
| CN209078610U (en) | A kind of adjustable ship turbine blade maintenance auxiliary mould | |
| CN215804744U (en) | High-temperature-resistant high-rotation-speed low-stress-performance steam turbine main shaft | |
| CN221659115U (en) | Turbine blade air film hole processing positioner | |
| CN216342339U (en) | High-efficiency steering guide vane of steam turbine | |
| CN208428186U (en) | A kind of bearing dismounting tool | |
| CN220408674U (en) | Steam turbine overhauls device convenient to it is fixed | |
| CN219911007U (en) | Guide vane connecting rod device of water turbine | |
| CN219366450U (en) | Vane type rotary cylinder | |
| CN220319628U (en) | Outer lining type sleeve for steam seal of steam turbine | |
| CN220505807U (en) | Adjustable valve for heating ventilation and air conditioner | |
| CN109209518B (en) | Gas turbine stationary blade positioning structure | |
| CN220993582U (en) | Perforating device convenient to fixed precision machinery basis spare | |
| CN114654263B (en) | Turbine blade machining horizontal clamp with adjustable force | |
| CN220910068U (en) | Folding centrifugal ventilator | |
| CN117145589B (en) | Zero-output bypass cooling steam adjusting device of low-pressure cylinder of steam turbine | |
| CN221745500U (en) | Be used for gas turbine moving blade cooling air test fixture | |
| CN219638966U (en) | Hydraulic generator stator that sealed effectual | |
| CN219254146U (en) | Vertical and horizontal spindle sealing structure | |
| CN220218340U (en) | Frock of wind generating set generator bearing is dismantled on tower | |
| CN221220677U (en) | Runner chamber structure of hydraulic turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |