CN213360569U - Air inlet guide vane device and centrifugal compressor with same - Google Patents
Air inlet guide vane device and centrifugal compressor with same Download PDFInfo
- Publication number
- CN213360569U CN213360569U CN202022153533.7U CN202022153533U CN213360569U CN 213360569 U CN213360569 U CN 213360569U CN 202022153533 U CN202022153533 U CN 202022153533U CN 213360569 U CN213360569 U CN 213360569U
- Authority
- CN
- China
- Prior art keywords
- guide vane
- inlet guide
- cylinder
- blade
- arrangement according
- 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
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an air inlet guide vane device and a centrifugal compressor with the same, wherein the air inlet guide vane device comprises a guide vane cylinder, a plurality of guide vane blades are arranged in the guide vane cylinder, and the root parts of the guide vane blades are penetrated through and can be rotatably connected on the side wall of the guide vane cylinder; the guide vane blade is connected with the driven assembly, the driven assembly is connected with the crank rocker mechanism, and the crank rocker mechanism drives the guide vane blade to rotate through the driven assembly so as to change the installation angle of the guide vane blade; the utility model can avoid the transmission dead point of the air inlet guide vane device; the problem that the transmission angle of the guide vane blade is limited can be effectively solved; the transmission structure of the air inlet guide vane device can be simplified, and the production cost is reduced.
Description
Technical Field
The utility model relates to a stator device and have centrifugal compressor of this stator device admits air belongs to compressor technical field.
Background
Most centrifugal compressors operate within a range of operating conditions during actual operation, and less frequently operate at only one operating point. Therefore, in addition to improving the efficiency of the centrifugal compressor at the design point, improving the performance of the centrifugal compressor is also one of the effective ways to save energy.
The air inlet guide vane device is an important device for adjusting the inlet flow of the centrifugal compressor, and is an IGV (inlet guide vane) which is connected with the compressor through a shell part and can control the air inlet amount by adjusting the rotating angle of a guide vane blade according to the working condition; the air inlet guide vane device is provided with a driving part which transmits force to the guide vane blades through a transmission part to realize the rotation of the guide vane blades so as to change the installation angle.
In the prior art, a transmission part of an air inlet guide vane device mostly adopts a joint bearing to realize transmission, and on one hand, the transmission structure is complex in structure, difficult to manufacture and high in production cost; on the other hand, since the knuckle bearing has a dead point, a transmission dead point is liable to occur.
In addition, the transmission angle of the existing inlet guide vane device is limited in the actual use process.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an air inlet guide vane device and a centrifugal compressor with the same, which can avoid the transmission dead point of the air inlet guide vane device; the problem that the transmission angle of the guide vane blade is limited can be effectively solved; the transmission structure of the air inlet guide vane device can be simplified, and the production cost is reduced.
For solving the technical problem, the utility model discloses a following technical scheme: the air inlet guide vane device comprises a guide vane cylinder, wherein a plurality of guide vane blades are arranged in the guide vane cylinder, and the root parts of the guide vane blades penetrate through and are rotatably connected to the side wall of the guide vane cylinder;
the guide vane blade is connected with the driven assembly, the driven assembly is connected with the crank rocker mechanism, and the crank rocker mechanism drives the guide vane blade to rotate through the driven assembly so as to change the installation angle of the guide vane blade.
Further, the crank rocker mechanism comprises a pushing ring, and the pushing ring is rotatably sleeved on the top of the guide vane cylinder;
the push ring is sequentially hinged with the driving shaft and the driving sheet, and the driving sheet is connected with the actuator.
Further, the driven assembly comprises a driven plate, one end of the driven plate is connected with the root of the guide vane blade, and the other end of the driven plate is connected with the pushing ring.
Furthermore, the actuator is an electric swing table actuator, and the electric swing table actuator is not limited by a rotation angle; and a stepping motor with an encoder is arranged in the electric swing table actuator.
Furthermore, one end of the driven plate is fixedly connected with the external thread end of the guide vane blade through a locking nut, and the other end of the driven plate is connected to the pushing ring through a ball head connecting piece.
Further, the ball head connecting piece is a ball head bolt.
Further, the actuator is fixed on a seat plate, and the seat plate is arranged on the side of the guide vane cylinder.
Further, the external thread end is arranged at one end, located outside the guide vane cylinder, of the root of the guide vane blade.
Further, the driven plate is of an L-shaped structure; the active sheet is a long sheet body.
A centrifugal compressor comprises the air inlet guide vane device.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model can avoid the transmission dead point of the air inlet guide vane device; the problem that the transmission angle of the guide vane blade is limited can be effectively solved; the transmission structure of the air inlet guide vane device can be simplified, and the production cost is reduced.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic illustration of the main drive assembly;
FIG. 3 is a schematic view of a vane cylinder;
in the figure, the position of the upper end of the main shaft,
the method comprises the following steps of 1-an actuator, 2-a driving plate, 3-a driving shaft, 4-a pushing ring, 5-a driven plate, 6-a ball stud, 7-a locking nut, 8-a guide vane blade, 9-a guide vane cylinder, 91-a mounting sleeve and 10-a seat plate.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Examples
As shown in fig. 1-3 together, the utility model provides an air inlet guide vane device, which comprises a plurality of guide vane blades 8 and a guide vane adjusting mechanism, wherein the guide vane blades 8 are circumferentially and uniformly arranged in a guide vane cylinder 9, specifically, an installation sleeve 91 is arranged on the side wall of the guide vane cylinder 9, and the root parts of the guide vane blades 8 are rotatably connected in the installation sleeve 91; the root of stator blade 8 is located the outside one end of stator jar 9 and is connected with stator adjustment mechanism, stator adjustment mechanism drive stator blade 8 adjusts its installation angle to adapt to the requirement of different operating modes.
And the end of the root part of the guide vane blade 8, which is positioned outside the guide vane cylinder 9, is provided with an external thread end.
Stator adjustment mechanism includes driven subassembly and the main drive subassembly that the transmission is connected, driven subassembly includes driven plate 5, driven plate 5 is approximate L type structure, the external screw thread end connection of lock nut 7 and stator blade 8 is passed through to the one end of driven plate 5, and the other end passes through the bulb connecting piece to be connected on propelling ring 4, propelling ring 4 rotates the upper portion of connecting at stator cylinder 9.
The ball head connecting piece is a ball head bolt 6.
The pushing ring 4 is connected with the actuator 1 through a main transmission assembly, the actuator 1 is an electric table arranging actuator, and the electric table arranging actuator is not limited by a rotation angle and can realize rotation of more than 90 degrees; the inside of electronic swing platform executor is equipped with step motor, and step motor has the encoder, the rotation angle of control stator blade that can be more accurate, and accurate regulation flow compares with the inlet vane device that prior art adopted the angle stroke executor, and the inlet vane device that adopts electronic swing platform executor can improve 70% to the control accuracy of stator blade rotation angle.
The actuator 1 is fixed on a seat plate 10, and the seat plate 10 is arranged at the side part of the guide vane cylinder 9.
The main transmission assembly comprises a driving shaft 3, one end of the driving shaft 3 is hinged with the push ring 4, and the other end of the driving shaft 3 is hinged with the driving sheet 2; the driving sheet 2 is of a long sheet structure, and the other end of the driving sheet 2 is connected with a rotating shaft of the actuator 1; the driving sheet 2 and the driving shaft 3 are connected with the pushing ring 4 to form a crank rocker mechanism, and the driving force of the actuator 1 is transmitted to the pushing ring 4.
The utility model also provides a centrifugal compressor, centrifugal compressor includes the aforesaid admit air stator device, admit air stator device adopts the bolt to install on centrifugal compressor through the stator jar.
The working principle of the utility model is as follows:
when the guide vane blade adjusting device works, the actuator is started, the driving piece and the driving shaft drive the pushing ring to rotate, the pushing ring drives the driven piece to rotate, and therefore the guide vane blade is driven to rotate, and the installation angle of the guide vane blade is adjusted.
The utility model discloses choose for use electronic swing table executor, and its inside step motor who takes the encoder that is equipped with can realize exceeding 90 rotations, the rotation angle of the control blade that can be accurate, accurate regulation centrifugal compressor flow.
Centrifugal compressor's air inlet guide vane device's driven transmission part only uses a driven plate to connect, simple structure, no dead point.
Centrifugal compressor's inlet guide vane device simple structure adopts the standard part more, and the processing cost is low.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. An air inlet guide vane device is characterized in that: the guide vane device comprises a guide vane cylinder (9), wherein a plurality of guide vane blades (8) are arranged in the guide vane cylinder (9), and the roots of the guide vane blades (8) penetrate through and are rotatably connected to the side wall of the guide vane cylinder (9);
stator blade (8) are connected with driven subassembly, driven subassembly is connected with crank rocker mechanism, crank rocker mechanism drives stator blade (8) through driven subassembly and rotates to change the installation angle of stator blade (8).
2. An inlet guide vane arrangement according to claim 1, wherein: the crank rocker mechanism comprises a pushing ring (4), and the pushing ring (4) is rotatably sleeved on the top of the guide vane cylinder (9);
the pushing ring (4) is sequentially hinged with the driving shaft (3) and the driving sheet (2), and the driving sheet (2) is connected with the actuator (1).
3. An inlet guide vane arrangement according to claim 2, wherein: the driven assembly comprises a driven plate (5), one end of the driven plate (5) is connected with the root of the guide vane blade (8), and the other end of the driven plate is connected with the pushing ring (4).
4. An inlet guide vane arrangement according to claim 2, wherein: the actuator (1) is an electric swing table actuator which is not limited by a rotation angle; and a stepping motor with an encoder is arranged in the electric swing table actuator.
5. An inlet guide vane arrangement according to claim 3, wherein: one end of the driven plate (5) is fixedly connected with the external thread end of the guide vane blade (8) through a locking nut (7), and the other end of the driven plate is connected to the pushing ring (4) through a ball head connecting piece.
6. An inlet guide vane arrangement according to claim 5, wherein: the ball head connecting piece is a ball head bolt (6).
7. An inlet guide vane arrangement according to claim 2, wherein: the actuator (1) is fixed on a seat plate (10), and the seat plate (10) is arranged on the side portion of the guide vane cylinder (9).
8. An inlet guide vane arrangement according to claim 5, wherein: the external thread end is arranged at one end, located outside the guide vane cylinder (9), of the root of the guide vane blade (8).
9. An inlet guide vane arrangement according to claim 3, wherein: the driven plate (5) is of an L-shaped structure; the driving sheet (2) is a long sheet body.
10. A centrifugal compressor, characterized by: an inlet guide vane arrangement comprising any of the preceding claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153533.7U CN213360569U (en) | 2020-09-27 | 2020-09-27 | Air inlet guide vane device and centrifugal compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153533.7U CN213360569U (en) | 2020-09-27 | 2020-09-27 | Air inlet guide vane device and centrifugal compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360569U true CN213360569U (en) | 2021-06-04 |
Family
ID=76156017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022153533.7U Active CN213360569U (en) | 2020-09-27 | 2020-09-27 | Air inlet guide vane device and centrifugal compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542515A (en) * | 2022-03-08 | 2022-05-27 | 大连海事大学 | Adjustable guide vane mechanism with series inlet |
-
2020
- 2020-09-27 CN CN202022153533.7U patent/CN213360569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542515A (en) * | 2022-03-08 | 2022-05-27 | 大连海事大学 | Adjustable guide vane mechanism with series inlet |
| CN114542515B (en) * | 2022-03-08 | 2024-05-03 | 大连海事大学 | Series inlet adjustable guide vane mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213360569U (en) | Air inlet guide vane device and centrifugal compressor with same | |
| CN101457744B (en) | Passive paddle changing wind power generator | |
| WO2021253651A1 (en) | Electric pump adjustable blade having built-in impeller | |
| CN202545313U (en) | Adjusting mechanism for inlet guide vanes of turbine vacuum pump | |
| CN202811550U (en) | Inlet guide blade adjustment mechanism of high pressure fan | |
| CN102734057A (en) | Wind power generation and wind power air compression dual-purpose machine with automatic speed regulation function | |
| CN111350696A (en) | Guide vane adjusting structure for centrifugal compressor | |
| CN115419612A (en) | Automatic variable-pitch blade device of axial flow fan | |
| CN2890396Y (en) | Micro-resistance high-efficiency low wind-velocity wind mill with circular fan blade | |
| CN202579128U (en) | Execution mechanism for flow guide cascade with adjustable intake of oxygen compressor | |
| CN212672114U (en) | Guide vane adjusting mechanism for centrifugal machine | |
| CN210599414U (en) | Oil-free swinging piston type air compressor driven by two-stage motor | |
| CN110131106B (en) | Windmill capable of improving wind energy section utilization rate | |
| CN103174621A (en) | Wind and solar energy complementary type air compression device used for pumping up water | |
| CN2735030Y (en) | Vane propeller pitch angle automatic regulator for small-scale wind power generator | |
| CN219282067U (en) | Fan blade stable rotation regulator based on extreme working conditions | |
| CN110230705A (en) | A kind of gas turbine valve switch | |
| CN206159117U (en) | Adjustable electricelectric of impeller moves electronic pump | |
| CN202203042U (en) | Vertical shaft turbine speed-increasing wind generating set | |
| CN202007737U (en) | Wind power generation and wind-power air compression dual-purpose machine with automatic speed regulating function | |
| CN220185268U (en) | Vertical shaft lift-drag type fan with adjustable blade angle | |
| CN207093457U (en) | A kind of Adjustable Inlet Guide Vane for Centrifugal Compressor | |
| CN220203972U (en) | Flow-adjustable nozzle ring with eccentric pin | |
| CN200952450Y (en) | Wind wheel blade for wind-mill generator | |
| CN204041221U (en) | Exhaust-gas turbocharger VGT supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |