CN215761811U - Synergistic steam turbine impeller - Google Patents
Synergistic steam turbine impeller Download PDFInfo
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- CN215761811U CN215761811U CN202121975914.1U CN202121975914U CN215761811U CN 215761811 U CN215761811 U CN 215761811U CN 202121975914 U CN202121975914 U CN 202121975914U CN 215761811 U CN215761811 U CN 215761811U
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- impeller
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Abstract
The utility model relates to the field of turbine impellers, in particular to an enhanced turbine impeller, which comprises a rotating shaft and an impeller, wherein the outer wall of the impeller is fixedly provided with a plurality of blade units, and one end of the impeller is movably connected with a plurality of positioning units; according to the utility model, the outer arc block in the blade unit connects the blade units in series through the connecting block on the outer wall, so that the blade units can be integrally stressed to enhance the stability of the blade, airflow overflowing from the surface of the blade can be guided to the bottoms of the adjacent blades through the airflow grooves, the utilization efficiency of steam flow can be enhanced, the blade is inserted into the impeller through the connecting sheet, two sides of the connecting sheet can be abutted through the two positioning plates after the blade is inserted, the connecting sheet can be firmly fixed on the inner wall of the impeller through the positioning bolts, when a single blade unit is damaged, the positioning bolts are screwed out, and the positioning plates can be controlled to be separated from the surface of the connecting sheet through the pull rod, so that the connecting sheet can be drawn out to replace the blade unit.
Description
Technical Field
The utility model relates to the field of steam turbine impellers, in particular to an enhanced steam turbine impeller.
Background
The steam turbine is also called as steam turbine engine, and is a rotary steam power device, after the steam from boiler is fed into the steam turbine, the high-temperature high-pressure steam is passed through fixed nozzle, made into accelerated air flow and sprayed on the blades, so that the rotor equipped with blade row can be rotated, and at the same time, it can apply work to exterior.
In the prior art, blades on a steam turbine impeller are thin, the blades are subjected to high-temperature and high-pressure steam impact for a long time, and stability of the blades is greatly tested, so that a synergistic steam turbine impeller is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an enhanced steam turbine impeller to solve the problems in the background technology.
In order to achieve the purpose, the synergistic steam turbine impeller comprises a rotating shaft and an impeller, wherein a plurality of blade units are fixedly arranged on the outer wall of the impeller, and one end of the impeller is movably connected with a plurality of positioning units;
the blade unit comprises a blade, an outer arc block, airflow grooves and a connecting block, wherein the outer arc block is fixedly connected to one end of the blade, a plurality of airflow grooves are formed in the inner wall of the outer arc block, and the connecting block is fixedly connected to one end of the outer arc block.
The outer arc blocks in the blade units connect the blade units in series through the connecting blocks on the outer walls, so that the blade units can be integrally stressed to enhance the stability of the blades, airflow overflowing from the surfaces of the blades can be guided to the bottoms of the adjacent blades through the airflow grooves, the utilization efficiency of the steam flow can be enhanced, and the rotation of the impeller is assisted to be improved.
Preferably: the positioning unit comprises a connecting sheet, a positioning plate, positioning bolts and a pull rod, the connecting sheet is fixedly connected to one end of each blade, the inner wall of each impeller is slidably connected with the positioning plate, the outer wall of each impeller is further in threaded connection with the positioning bolts, the lower ends of the positioning bolts are further in threaded connection with the outer wall of each positioning plate, the middle of the outer wall of each positioning plate is further fixedly connected with the pull rod, and the outer wall of each pull rod is slidably connected with one end of each impeller.
The blade passes through the inside that the connection piece inserted the impeller, can firmly fix the inner wall at the impeller with the connection piece through the gim peg with the two sides butt of connection piece through two locating plates after inserting, when single blade unit damaged, unscrew the gim peg, can control the locating plate through the pull rod and break away from the surface of connection piece to in take the connection piece out in order to change the blade unit.
Preferably: the blade is characterized in that one end of the outer arc block is also provided with a positioning groove matched with the size of the connecting block, the inner wall lines of the airflow grooves are arc-shaped, the airflow grooves on the inner walls of the two adjacent outer arc blocks are communicated, and one end of each airflow groove faces to the lower surface of the blade.
The flow of the air flow is stable and smooth.
Preferably: the lower surface of the positioning plate is fixedly connected with a plurality of inclined blocks, one side of each inclined block, which is close to the connecting sheet, is provided with a slope, and the outer walls of the two sides of the connecting sheet are provided with grooves matched with the size of the lower end of the positioning plate.
The inclined block is arranged to enable the connecting piece to be inserted more smoothly.
Preferably: the impeller is characterized in that a groove matched with the positioning plate in size is formed in the impeller, and a circular groove larger than the pull rod in top size is further formed in the outer wall of the impeller.
The pull rod is easier to pull up from the top of the impeller.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, the outer arc block in the blade unit connects the blade units in series through the connecting block on the outer wall, so that the blade units can be integrally stressed to enhance the stability of the blade;
2. the blade passes through the inside that the connection piece inserted the impeller, can firmly fix the inner wall at the impeller with the connection piece through the gim peg with the two sides butt of connection piece through two locating plates after inserting, when single blade unit damaged, unscrew the gim peg, can control the locating plate through the pull rod and break away from the surface of connection piece to in take the connection piece out in order to change the blade unit.
Drawings
FIG. 1 is a schematic elevation view of an enhanced steam turbine impeller according to the present invention;
FIG. 2 is a schematic view of an enhanced turbine wheel blade unit according to the present invention;
fig. 3 is a schematic view of an enhanced turbine wheel positioning unit according to the present invention.
In the figure: 10. a rotating shaft; 11. an impeller; 20. a blade unit; 21. a blade; 22. an outer arc block; 23. an air flow groove; 24. connecting blocks; 30. a positioning unit; 31. connecting sheets; 32. positioning a plate; 33. positioning bolts; 34. a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, which are views illustrating a preferred embodiment of the present invention, an enhanced steam turbine impeller includes a rotating shaft 10 and an impeller 11, wherein a plurality of blade units 20 are fixedly installed on an outer wall of the impeller 11, and a plurality of positioning units 30 are movably connected to one end of the impeller 11.
The utility model provides a synergistic type steam turbine impeller positioning unit 30 includes connection piece 31, locating plate 32, gim peg 33 and pull rod 34, connection piece 31 fixed connection is in the one end of blade 21, the inner wall sliding connection of impeller 11 has a locating plate 32, the outer wall of impeller 11 still threaded connection has a plurality of gim pegs 33, the lower extreme of gim peg 33 still with the outer wall threaded connection of locating plate 32, the outer wall middle part of locating plate 32 still fixedly connected with pull rod 34, the outer wall of pull rod 34 and the one end sliding connection of impeller 11.
The one end of outer arc piece 22 still is seted up with the constant head tank of connecting block 24 size looks adaptation, and the inner wall lines of airflow groove 23 are circular-arc, and the airflow groove 23 of two adjacent outer arc pieces 22 inner walls is linked together, and the one end of airflow groove 23 is towards the lower surface of blade 21.
The lower surface of positioning plate 32 is also fixedly connected with a plurality of sloping blocks, one side of the sloping block close to connecting piece 31 is provided with a slope, and the outer walls of the two sides of connecting piece 31 are provided with grooves matched with the size of the lower end of positioning plate 32.
The inside of impeller 11 is provided with the recess with locating plate 32 size looks adaptation, and the circular slot that the size is greater than pull rod 34 top size is still seted up to the outer wall of impeller 11.
In this embodiment, the outer arc block 22 of the blade unit 20 connects the blade units 20 in series through the connecting block 24 of the outer wall, so that the blade units 20 can be integrally stressed to enhance the stability of the blade 21, the airflow overflowing from the surface of the blade 21 can be guided to the bottoms of the adjacent blades 21 through the airflow grooves 23, the rotation of the impeller 11 is assisted to be improved, the blade 21 is inserted into the impeller 11 through the connecting piece 31, after the blade is inserted, the two sides of the connecting piece 31 can be abutted through the two positioning plates 32, the connecting piece 31 can be firmly fixed on the inner wall of the impeller 11 through the positioning bolts 33, when a single blade unit 20 is damaged, the positioning bolts 33 are screwed out, the positioning plate 32 can be controlled to be separated from the surface of the connecting piece 31 through the pull rod 34, so that the connecting piece 31 can be pulled out to replace the blade unit 20.
While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides an increase type steam turbine impeller, includes pivot (10) and impeller (11), the outer wall fixed mounting of impeller (11) has a plurality of blade unit (20), the one end swing joint of impeller (11) has a plurality of positioning unit (30), its characterized in that: the blade unit (20) comprises blades (21), outer arc blocks (22), airflow grooves (23) and connecting blocks (24), wherein the outer arc blocks (22) are fixedly connected to one ends of the blades (21), a plurality of airflow grooves (23) are formed in the inner walls of the outer arc blocks (22), and the connecting blocks (24) are fixedly connected to one ends of the outer arc blocks (22).
2. An enhanced steam turbine impeller according to claim 1, wherein: positioning unit (30) include connection piece (31), locating plate (32), locating pin (33) and pull rod (34), connection piece (31) fixed connection is in the one end of blade (21), the inner wall sliding connection of impeller (11) has locating plate (32), the outer wall of impeller (11) is threaded connection still has a plurality of locating pins (33), the lower extreme of locating pin (33) still with the outer wall threaded connection of locating plate (32), the outer wall middle part of locating plate (32) is fixed connection pull rod (34) still, the outer wall of pull rod (34) and the one end sliding connection of impeller (11).
3. An enhanced steam turbine impeller according to claim 1, wherein: one end of the outer arc block (22) is further provided with a positioning groove matched with the connecting block (24) in size, the inner wall lines of the airflow grooves (23) are arc-shaped, the airflow grooves (23) on the inner walls of the two adjacent outer arc blocks (22) are communicated, and one end of each airflow groove (23) faces the lower surface of the corresponding blade (21).
4. An enhanced steam turbine impeller according to claim 2, wherein: the lower surface of locating plate (32) still fixedly connected with a plurality of sloping blocks, one side that the sloping block is close to connection piece (31) is provided with domaticly, the both sides outer wall of connection piece (31) is provided with the recess with locating plate (32) lower extreme size looks adaptation.
5. An enhanced steam turbine impeller according to claim 2, wherein: the impeller is characterized in that a groove matched with the positioning plate (32) in size is formed in the impeller (11), and a circular groove larger than the pull rod (34) in top size is further formed in the outer wall of the impeller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975914.1U CN215761811U (en) | 2021-08-20 | 2021-08-20 | Synergistic steam turbine impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975914.1U CN215761811U (en) | 2021-08-20 | 2021-08-20 | Synergistic steam turbine impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215761811U true CN215761811U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121975914.1U Active CN215761811U (en) | 2021-08-20 | 2021-08-20 | Synergistic steam turbine impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215761811U (en) |
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2021
- 2021-08-20 CN CN202121975914.1U patent/CN215761811U/en active Active
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