CN108930665A - It is a kind of for compressor or the blade wheel structure of air blower - Google Patents
It is a kind of for compressor or the blade wheel structure of air blower Download PDFInfo
- Publication number
- CN108930665A CN108930665A CN201810784264.9A CN201810784264A CN108930665A CN 108930665 A CN108930665 A CN 108930665A CN 201810784264 A CN201810784264 A CN 201810784264A CN 108930665 A CN108930665 A CN 108930665A
- Authority
- CN
- China
- Prior art keywords
- compressor
- air blower
- bypass passageways
- hub
- hub disk
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 28
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It is a kind of for compressor or the blade wheel structure of air blower, including shaft (1), impeller, shaft includes first diameter section (11), second diameter section (12), impeller is connected through a screw thread part, arc nut is installed in shaft, it is characterized by: the inside of hub disk (4) is equipped with bypass passageways (43), bypass passageways 43 are annular groove, and the depth of bypass passageways 43 is e1, and bypass passageways are located at the radial outside of wheel hub.The blade wheel structure increases the flow before impeller outlet, improves the anti-cavitation performance of impeller, reduces the probability that surge occurs, increases the leakproofness at impeller outlet.
Description
Technical field
The present invention relates to field of fluid machinery more particularly to a kind of for compressor or the blade wheel structure of air blower.
Background technique
Compressor or air blower are the fluid mechanical devices that fluid energy is converted mechanical energy into using gas as working media,
Blade wheel structure plays a crucial role efficiency, the performance of whole device.But to the raising of properties of product in existing product
There are also very big rooms for improvement.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, provide a kind of for compressor or the leaf of air blower
Wheel construction, this is used for the flow before the blade wheel structure increase impeller outlet of compressor or air blower, improves the anti-vapour of impeller
Corrosion energy reduces the probability that surge occurs, increases the leakproofness at impeller outlet.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
It is a kind of for compressor or the blade wheel structure of air blower, including shaft (1), impeller, shaft include first diameter section (11),
Second diameter section (12), their diameter are sequentially reduced, and impeller includes blade (2), shroud (3), hub disk (4), wheel hub (5), leaf
Piece is connect with shroud, hub disk, wheel hub respectively, and blade has leading edge (21), rear (22)；Threaded connector (7) is arranged in wheel hub
Inner hole in, threaded connector one end is connect with second diameter section, and the threaded connector other end is connect with arc nut (6), leaf
Wheel is connected through a screw thread part, arc nut is installed in shaft, it is characterised in that: the inside of hub disk (4) is equipped with bypass passageways
(43), bypass passageways 43 are annular groove, and the depth of bypass passageways 43 is e1, and bypass passageways are located at the radial outside of wheel hub.
Further, the radially inner side of the bypass passageways is equipped with rake, between the rake and hub disk or vertical line
Angle d；The radial outside of bypass passageways is equipped with rake, angle c between the rake and hub disk or vertical line.
Further, the angle d > angle c.
Further, the radial initial position of the bypass passageways is at the point of contact of wheel hub segmental arc (51) and hub disk.
Further, the radial final position radius of the bypass passageways is r, and rear dish external diameter is R, r=(0.85-0.97)
R。
Further, the longitudinal end of the hub disk is equipped with tooth form sealing (42), and tooth form sealing includes multiple right angle trigonometries
Shape tooth；The longitudinal end of shroud is equipped with tooth form sealing (31), and tooth form sealing includes multiple right angled triangle teeth.
Further, the bevel edge of the right angled triangle tooth of the tooth form sealing (42,31) is located at the side of blades adjacent.
Further, the folder of rake, the rake and hub disk or vertical line is equipped on the outside of the longitudinal end of the hub disk
A=7-11 ° of angle.
This increases the flow before impeller outlet for the blade wheel structure of compressor or air blower, improves the anti-vapour of impeller
Corrosion energy reduces the probability that surge occurs, increases the leakproofness at impeller outlet.
Detailed description of the invention
Fig. 1 is rotor structure figure of the present invention；
Fig. 2 is outlet sealing structure figure of the present invention；
Fig. 3 is bypass passageways structure chart of the present invention.
In figure: shaft 1, first diameter section 11, second diameter section 12, blade 2, leading edge 21, rear 22, shroud 3, tooth form are close
Envelope 31, hub disk 4, hub disk sealing ring 41, tooth form sealing 42, bypass passageways 43, wheel hub 5, segmental arc 51, arc nut 6, screw thread connect
Fitting 7.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to attached drawing 1-3: it includes shaft 1, first diameter section 11, second that this, which is used for compressor or the blade wheel structure of air blower,
Diameter segment 12, blade 2, leading edge 21, rear 22, shroud 3, tooth form sealing 31, hub disk 4, hub disk sealing ring 41, tooth form sealing 42,
Bypass passageways 43, wheel hub 5, segmental arc 51, arc nut 6, threaded connector 7.
Rotor includes shaft 1, impeller, and shaft 1 successively includes first diameter section 11, second diameter section 12, their diameter
It is sequentially reduced；First inner hole transition fit of second diameter section 12 and wheel hub 5.The periphery of threaded connector 7 has external screw thread, spiral shell
7 one end of line connector is threadedly engaged with second diameter section 12, this one end screws in the internal thread hole of second diameter section 12, and screw thread connects
7 other end of fitting is threadedly engaged with arc nut 6, the interlude of threaded connector 7 and the second inner hole clearance fit of wheel hub 5；
Wheel hub 5 has the first inner hole, the second inner hole, and the first inner hole aperture is greater than the second inner hole aperture；It is arc taper outside arc nut 6
Diversion division, inside have internal thread hole.Impeller includes blade 2, shroud 3, hub disk 4, wheel hub 5, and blade 2 has leading edge 21, rear
22。
The longitudinal end of hub disk 4 is equipped with tooth form sealing 42, and tooth form sealing 42 includes multiple right angled triangle teeth, right angle trigonometry
The bevel edge of shape tooth is located at the side of blades adjacent 2, and right-angle side is located remotely from the side of blade 2；The longitudinal end of shroud 3 is equipped with tooth
Shape sealing 31, tooth form sealing 31 includes multiple right angled triangle teeth, and the bevel edge of right angled triangle tooth is located at the one of blades adjacent 2
Side, right-angle side are located remotely from the side of blade 2；The bevel edge and tooth of the right angled triangle tooth closest to blade 2 of tooth form sealing 31
B=51-55 ° of angle, preferably 53 ° between the bevel edge closest to the right angled triangle tooth of blade 2 of shape sealing 42.Tooth form sealing
31, tooth form sealing 42 cooperates to the corresponding sealing of compressor or Blower Housing, improves sealing effect, reduces gas and returns
Stream.Rake, the rake and a=7-11 ° of angle of hub disk/vertical line, preferably 9 ° are equipped on the outside of the longitudinal end of hub disk 4, it should
The radial outer end of rake is connected with the right-angle side of right angled triangle tooth；The pressure oscillation of hub disk longitudinal end can be reduced.Afterwards
The outside of disk 4 is equipped with hub disk sealing ring 41, and hub disk sealing ring 41 cooperates to the corresponding sealing on shell.Wheel hub 5 has arc
Section 51, the segmental arc 51 and 4 inside of hub disk are tangent.
The inside of hub disk 4 is equipped with bypass passageways 43, and bypass passageways 43 are annular groove, the radial start bit of bypass passageways 43
Be set at the point of contact of segmental arc 51 and hub disk 4, the depth of bypass passageways 43 is e1, hub disk 4 with a thickness of e, e1=(0.11-
0.14) e, preferably 0.125.The radially inner side of bypass passageways 43 is equipped with rake, angle between the rake and hub disk/vertical line
D=17-19 °, such as 18 °；The radial outside of bypass passageways 43 is equipped with rake, and angle c between the rake and hub disk/vertical line=
6-8 °, such as 7 °；The radial final position radius of bypass passageways 43 is r, and 4 outer diameter of hub disk is R, r=(0.92-0.96) R, such as 0.94.
Bypass passageways 43 can guide sub-fraction air-flow to circulate by bypass passageways 43, increase the flow before impeller outlet, improve
The anti-cavitation performance of impeller reduces the probability that surge occurs.
This increases the flow before impeller outlet for the blade wheel structure of compressor or air blower, improves the anti-vapour of impeller
Corrosion energy reduces the probability that surge occurs, increases the leakproofness at impeller outlet.
Above embodiment is the description of the invention, is not limitation of the invention, it is possible to understand that is not departing from this hair
A variety of change, modification, replacement and modification, guarantor of the invention can be carried out to these embodiments in the case where bright principle and spirit
Shield range is defined by the appended claims and the equivalents thereof.
Claims (8)
1. it is a kind of for compressor or the blade wheel structure of air blower, including shaft (1), impeller, shaft include first diameter section
(11), second diameter section (12), their diameter are sequentially reduced, and impeller includes blade (2), shroud (3), hub disk (4), wheel hub
(5), blade is connect with shroud, hub disk, wheel hub respectively, and blade has leading edge (21), rear (22)；Threaded connector (7) is worn
In the inner hole of wheel hub, threaded connector one end is connect with second diameter section, and the threaded connector other end and arc nut (6) are even
It connects, impeller is connected through a screw thread part, arc nut is installed in shaft, it is characterised in that: it is logical that the inside of hub disk (4) is equipped with bypass
Road (43), bypass passageways 43 are annular groove, and the depth of bypass passageways 43 is e1, and bypass passageways are located at the radial outside of wheel hub.
2. a kind of for compressor or the blade wheel structure of air blower as described in claim 1, it is characterised in that: the bypass passageways
Radially inner side be equipped with rake, angle d between the rake and hub disk or vertical line；The radial outside of bypass passageways, which is equipped with, to incline
Inclined portion, angle c between the rake and hub disk or vertical line.
3. a kind of for compressor or the blade wheel structure of air blower as claimed in claim 2, it is characterised in that: the angle d > folder
Angle c.
4. a kind of for compressor or the blade wheel structure of air blower as described in claim 1, it is characterised in that: the bypass passageways
Radial initial position be at the point of contact of wheel hub segmental arc (51) and hub disk.
5. a kind of for compressor or the blade wheel structure of air blower as claimed in claim 4, it is characterised in that: the bypass passageways
Radial final position radius be r, rear dish external diameter be R, r=(0.85-0.97) R.
6. a kind of for compressor or the blade wheel structure of air blower as described in claim 1, it is characterised in that: the diameter of the hub disk
It is equipped with tooth form sealing (42) to end, tooth form sealing includes multiple right angled triangle teeth；It is close that the longitudinal end of shroud is equipped with tooth form
It seals (31), tooth form sealing includes multiple right angled triangle teeth.
7. a kind of for compressor or the blade wheel structure of air blower as claimed in claim 6, it is characterised in that: the tooth form sealing
The bevel edge of the right angled triangle tooth of (42,31) is located at the side of blades adjacent.
8. a kind of for compressor or the blade wheel structure of air blower as claimed in claim 6, it is characterised in that: the diameter of the hub disk
To being equipped with rake on the outside of end, a=7-11 ° of angle of the rake and hub disk.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010095373.7A CN111219361B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
| CN201810784264.9A CN108930665B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784264.9A CN108930665B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010095373.7A Division CN111219361B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930665A true CN108930665A (en) | 2018-12-04 |
| CN108930665B CN108930665B (en) | 2020-04-03 |
Family
ID=64447794
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810784264.9A Active CN108930665B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
| CN202010095373.7A Active CN111219361B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010095373.7A Active CN111219361B (en) | 2018-07-17 | 2018-07-17 | Impeller structure for compressor or blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108930665B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810623A (en) * | 2022-04-16 | 2022-07-29 | 江苏大学流体机械温岭研究院 | Vane pump health monitoring and evaluating method and device based on Mahalanobis distance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083183A (en) * | 1992-07-20 | 1994-03-02 | 联合信号股份有限公司 | Rotary compressor with stepped cover contour |
| JPH09100797A (en) * | 1995-10-06 | 1997-04-15 | Kobe Steel Ltd | Impeller of centrifugal compressor |
| JP4140314B2 (en) * | 2002-08-20 | 2008-08-27 | 株式会社日立プラントテクノロジー | pump |
| KR20130057900A (en) * | 2011-11-24 | 2013-06-03 | 한라비스테온공조 주식회사 | Air blower for fuel cell vehicle |
| CN204783812U (en) * | 2015-05-21 | 2015-11-18 | 广东省佛山水泵厂有限公司 | Impeller of centrifugal pump and assembly structure of pump shaft |
| CN106194818A (en) * | 2016-08-31 | 2016-12-07 | 中车大连机车研究所有限公司 | Centrifugal-flow compressor novel pressure side oil-gas seal structure |
| CN207598589U (en) * | 2017-12-16 | 2018-07-10 | 山东双轮股份有限公司 | Inhibit the centrifugal pump device of impeller blade cavitation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6138470B2 (en) * | 2012-12-07 | 2017-05-31 | 三菱重工業株式会社 | Centrifugal compressor |
| CN103410774B (en) * | 2013-07-26 | 2015-07-22 | 周国强 | Split type air guide impeller assembly of centrifugal compressor |
| JP2016061223A (en) * | 2014-09-18 | 2016-04-25 | 株式会社Ihi | Turbo rotary machine |
| CN104314860A (en) * | 2014-09-24 | 2015-01-28 | 江苏大学 | Impeller for low-specific speed centrifugal pump |
| CN107965467B (en) * | 2017-05-08 | 2024-04-12 | 宁波方太厨具有限公司 | Centrifugal fan impeller for range hood |
-
2018
- 2018-07-17 CN CN201810784264.9A patent/CN108930665B/en active Active
- 2018-07-17 CN CN202010095373.7A patent/CN111219361B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083183A (en) * | 1992-07-20 | 1994-03-02 | 联合信号股份有限公司 | Rotary compressor with stepped cover contour |
| JPH09100797A (en) * | 1995-10-06 | 1997-04-15 | Kobe Steel Ltd | Impeller of centrifugal compressor |
| JP4140314B2 (en) * | 2002-08-20 | 2008-08-27 | 株式会社日立プラントテクノロジー | pump |
| KR20130057900A (en) * | 2011-11-24 | 2013-06-03 | 한라비스테온공조 주식회사 | Air blower for fuel cell vehicle |
| CN204783812U (en) * | 2015-05-21 | 2015-11-18 | 广东省佛山水泵厂有限公司 | Impeller of centrifugal pump and assembly structure of pump shaft |
| CN106194818A (en) * | 2016-08-31 | 2016-12-07 | 中车大连机车研究所有限公司 | Centrifugal-flow compressor novel pressure side oil-gas seal structure |
| CN207598589U (en) * | 2017-12-16 | 2018-07-10 | 山东双轮股份有限公司 | Inhibit the centrifugal pump device of impeller blade cavitation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810623A (en) * | 2022-04-16 | 2022-07-29 | 江苏大学流体机械温岭研究院 | Vane pump health monitoring and evaluating method and device based on Mahalanobis distance |
| CN114810623B (en) * | 2022-04-16 | 2023-09-22 | 江苏大学流体机械温岭研究院 | Marsh distance-based vane pump health monitoring and evaluating method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108930665B (en) | 2020-04-03 |
| CN111219361A (en) | 2020-06-02 |
| CN111219361B (en) | 2021-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015019901A1 (en) | Centrifugal compressor and supercharger | |
| CN108457898A (en) | A kind of blade wheel structure for compressor | |
| CN104358707A (en) | Design method for non-clogging vortex-pump impeller with long and short edgefold blades | |
| CN105134666A (en) | Anti-cavitation centrifugal pump | |
| CN106662117A (en) | Centrifugal impeller and centrifugal compressor | |
| US10746025B2 (en) | Turbine wheel, radial turbine, and supercharger | |
| CN108930665A (en) | It is a kind of for compressor or the blade wheel structure of air blower | |
| JP6357830B2 (en) | Compressor impeller, centrifugal compressor, and supercharger | |
| CN108019362A (en) | Double-stage compressor with asymmetric second level inlet tube | |
| CN204419678U (en) | Blower | |
| US20170284412A1 (en) | Radial compressor impeller and associated radial compressor | |
| CN106996389B (en) | Short-distance inducer without blade top clearance cavitation | |
| US11187242B2 (en) | Multi-stage centrifugal compressor | |
| JP2018162789A (en) | Compressor for turbocharger | |
| CN206608372U (en) | Noise-reducing peripheral pump | |
| CN203384065U (en) | Multi-vane fan | |
| US9976566B2 (en) | Radial compressor | |
| CN105874213A (en) | Centrifugal compressor and method for manufacturing diffuser | |
| JP2015194091A (en) | Compressor impeller, centrifugal compressor and supercharger | |
| CN105465004A (en) | Ultralow-temperature vacuum draught fan | |
| JP2017166358A5 (en) | ||
| CN109113870A (en) | A kind of diffuser, compressor and combustion gas turbine | |
| CN110080999B (en) | Centrifugal blower | |
| CN208982350U (en) | Blade wheel structure for compressor | |
| CN208749451U (en) | A kind of diffuser, compressor and combustion gas turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200304 Address after: 310000 room 1103, block a, Jinxiu international science and technology center, No.26, Juye Road, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Gui Nengsen Energy Saving Technology Co Address before: 325600 Star Village, Tiancheng Town, Yueqing City, Zhejiang, Wenzhou Applicant before: Zhao Haohao |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |