CN108591094A - A kind of double vortex cleaning fans of the top formula of radial direction - Google Patents
A kind of double vortex cleaning fans of the top formula of radial direction Download PDFInfo
- Publication number
- CN108591094A CN108591094A CN201810425015.0A CN201810425015A CN108591094A CN 108591094 A CN108591094 A CN 108591094A CN 201810425015 A CN201810425015 A CN 201810425015A CN 108591094 A CN108591094 A CN 108591094A
- Authority
- CN
- China
- Prior art keywords
- spiral case
- game
- wheel hub
- radial direction
- blade
- 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.)
- Pending
Links
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
-
- 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
- F04D29/30—Vanes
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of double vortex cleaning fans of the top formula of radial direction, including impeller and spiral case, the both sides of the spiral case are equipped with air inlet, upper air outlet is equipped with above the spiral case, lower section is equipped with lower air outlet, fan shaft is installed in the middle part of the spiral case, the impeller includes wheel hub and blade, the wheel hub key connection is on the fan shaft, round mid-game is installed on the wheel hub, the blade is mounted on two sides of the round mid-game, is equipped with cover board on the outside of the impeller, and the part of wheel hub described in face is provided with circular hole on the cover board.The advantages that present invention has air quantity, wind pressure, wind speed higher, and horizontal homogeneity is good, and decay distance is long, compact-sized, can be improved the sorting performance and efficiency of combine harvester, meets bigger feed quantity and clean requirement.
Description
Technical field
The present invention relates to a kind of wind turbine, the double vortex cleaning fans of the top formula of radial direction of specifically combined harvester.
Background technology
For China high-yield super rice（Per mu yield >=700Kg）Watering and separation procedure, it is commonly used on existing combined harvester
Quaterfoil centrifugal blower there are air outlet sea land distributions it is very fast, wind speed is uneven, wind pressure is unstable the problems such as, such as Chinese patent
CN202697298 and CN102860182A discloses a kind of cleaning device of combined harvester, and the wind turbine of both cleaning plants is all
Right angle quaterfoil centrifugal blower, air outlet is located at the front end of vibrating screen, cannot achieve precleaning, and air outlet wind speed compared with
Small, uniformity is poor, once clean cannot meet big feed quantity, the big feed quantity of moist crop high-effect cleans requirement.China
Patent CN102688857A discloses a kind of three air duct bilayer of double through-flow wind turbine to the sieve cleaning plant that shakes, and the cleaning plant is using double
Cross flow fan air outlet wind speed is uniform, efficiently solves the lamination problem of emersion object, but the device air outlet wind pressure, air quantity compared with
It is low, sea land distribution is fast, and two wind turbine geometric dimensions are larger, and configuration is difficult.
Invention content
The technical problem to be solved by the present invention is in view of the above problems, provide a kind of high wind pressure, high air quantity, wind
Fast horizontal homogeneity is good, decay distance is long and compact-sized multiple duct wind turbine.
For achieving the above object, the technical solution adopted in the present invention is：A kind of double be vortexed of top formula of radial direction is cleaned
The both sides of wind turbine, including impeller and spiral case, the spiral case are equipped with air inlet, are equipped with upper air outlet above the spiral case, lower section is set
There is lower air outlet, fan shaft is installed in the middle part of the spiral case, the impeller includes wheel hub and blade, and the wheel hub key connection exists
On the fan shaft, round mid-game is installed on the wheel hub, the blade is mounted on two sides of the round mid-game
On face, cover board is installed on the outside of the impeller, the part of wheel hub described in face is provided with circular hole on the cover board.
In said program, the surface of each blade is arc surface, two groups of blade backrest-types be symmetrically mounted on it is described in
On the two sides of disk.
In said program, it is provided with arc groove in the circle mid-game, each blade is mounted on the round mid-game
In arc groove.
In said program, the quantity that impeller is installed on the fan shaft is two or more.
In said program, baffle upper plate and chin spoiler be installed in the lower air outlet, the deflector and it is described under
Deflector is fixed on the spiral case.
In said program, the baffle upper plate and the chin spoiler are mounted in the arc groove on the spiral case, described
The installation site of baffle upper plate and the chin spoiler can freely be adjusted in the arc groove.
Beneficial effects of the present invention：（1）The both sides that the blade of the present invention is circumferentially symmetrically arranged in mid-game are radially top
Formula is arranged, can form double vortex gas flows, compared with the other types wind turbine of same volume, air quantity, wind pressure, wind speed are relatively high, carry
The high efficiency of wind turbine；（2）It is coaxially installed with multiple impellers on one fan shaft, wind speed horizontal homogeneity is good when transmission, decaying
The sorting performance and efficiency of combine harvester can be improved in distance, meets bigger feed quantity and cleans requirement.
Description of the drawings
Fig. 1 is the double vortex cleaning fan stereograms of radial top formula.
Fig. 2 is radial top formula impeller central disc front view.
Fig. 3 is radial top formula impeller stereogram.
Fig. 4 is radial top formula impeller and covering plate structure schematic diagram.
Fig. 5 is double vortex cleaning fan blade front views.
Fig. 6 is vortexed cleaning fan blade left views with to be double.
Fig. 7 is double vortex cleaning fan wheel hub front views
Fig. 8 is double vortex cleaning fan trilobed wheel coaxial transmission front views
In figure：1. impeller, 1-1. mid-games, 1-2. blades, 2. cover boards, 2-1. circular holes, 3. air inlets, 4. wheel hubs, 5. spiral cases,
Air outlet on 6., 7. times air outlets, 8. baffle upper plates, 9. chin spoilers, 10. bearings, 11. fan shafts, 12. racks.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.Many details are elaborated in the following description in order to fully understand
The present invention, still, the present invention can also be implemented using other different from other modes described here, therefore, of the invention
Protection domain is not limited to the limitation of following public specific embodiment.
The double vortex cleaning fans of the top formula of radial direction according to an embodiment of the invention are carried out specifically below in conjunction with the accompanying drawings
It is bright.
As illustrated in figures 1 and 8, a kind of double vortex cleaning fans of the top formula of radial direction of the present embodiment, impeller 1 are arranged in spiral case
In 5, impeller 1 is fixed on the cooperation of wheel hub 4 on fan shaft 11 by the keyway on fan shaft 11, and fan shaft 11 passes through 10 He of bearing
Spiral case 5 is fixed on together in rack 12.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5 and Fig. 6, impeller 1 includes blade 1-2, the mid-game 1-1 for arranging blade 1-2
With the wheel hub 4 for installing impeller 1, blade 1-2 is circumferentially symmetrically arranged in the both sides mid-game 1-1, forms double vortex gas flows,
It is required according to combined harvester sorting performance, 16 pieces of blade 1-2 are arranged in every side of mid-game 1-1, are in lean forward with 1 rotation direction of impeller
Antecurvature formula, every piece of blade 1-2 are equipped with boss, are connect with mid-game 1-1.16 arc grooves are offered on mid-game 1-1, by blade 1-
2 convex platforms are inserted into arc groove and weld, and blade 1-2 is made to be fixed with one with mid-game 1-1, and wheel hub 4 is installed at the centers mid-game 1-1, with
Fan shaft 11 is connected wind turbine by key.As shown in fig. 7, wheel hub 4 is in the hollow form of front and back end opening, it is machined on wheel hub 4
Boss is provided with the fastening thread hole for being fixedly connected with key, in key for fixed and positioned with mid-game 1-1 at keyway on wheel hub 4
90 ° of directions counterclockwise are equipped with wind turbine axially position hole.Spiral case 5 is set by left and right side plate and baffle assembly on left and right side plate
Be equipped with air inlet 3, upper air outlet 6 and lower air outlet 7 be equipped on the spiral case 5 that left and right side plate and baffle assembly are constituted, under go out
Larger exhaust passage is arranged in air port 7.Baffle upper plate 8 and chin spoiler 9, the upper and lower cloth of two pieces of deflectors are installed in larger exhaust passage
It sets, is fixed on left side plate, arc groove is designed on left side plate, deflector setting angle can be adjusted according to actual needs
Section improves air outlet wind speed profile uniformity.
To increase the wind pressure of wind turbine, added with cover board 2 on impeller 1,2 shape of cover board is circular, and annulus is covered in blade
At the top of 1-2, it is fixed on 1 both sides of impeller, the part of wheel hub 4 described in face is provided with circular hole 2-1 on cover board 2.
In order to ensure that air velocity is relatively uniform after air-flow enters blade 1-2, the blade 1-2 is circular arc and straight line mistake
It crosses and is formed by connecting, there are boss in the sides blade 1-2, are fixed in the arc groove of mid-game 1-1.Multiple blades are uniformly distributed in mid-game
The position at the edges 1-1, two groups of blade 1-2 backrest-types are symmetrically mounted on mid-game 1-1.
In order to ensure the airflow homogeneity entered in volute of blower 5 and meet different occasion air quantity, wind pressure and wind speed to want
It asks, the several wind pressure, air quantity and wind speed according to practical application of the blade 1-2 determines.
To improve air outlet wind speed uniformity, increasing sea land distribution distance, more Fans Driven by Coaxial forms can be used, such as
Shown in Fig. 8, the fan shaft 11 and rack 12 are uniformly provided with keyway, with wheel for coaxially fixing multiple wind turbines on fan shaft 11
Keyway coordinates on hub 4, and for fixing wind turbine, multiple wind turbines have coaxially been mounted side by side on fan shaft 11, and basis is needed to clean dress
The quantity that lateral dimension determines the double vortex cleaning fans of radial top formula is set, composition multi fan rotates coaxially, 11 side of fan shaft
Belt pulley to be installed, is coordinated with motor upper belt pulley, fan shaft 11 is driven to rotate, 10 bearing of bearing is installed at 11 both ends of fan shaft, with
Rack 12 connects, for fixed a whole set of wind turbine.
Blower fan work process is：Wind enters from air inlet 3 inside spiral case 5, and double vortex are formed in 5 inside mid-game both sides of spiral case
Air-flow is divided into three wind in lower air outlet with the rotation of impeller 1 outside upper and lower two air outlets discharge spiral case 5 by upper and lower deflector
Road outlet air improves air outlet wind speed profile uniformity.
Claims (6)
1. a kind of double vortex cleaning fans of top formula of radial direction, including impeller（1）And spiral case（5）, the spiral case（5）Both sides be equipped with
Air inlet（3）, the spiral case（5）Top is equipped with upper air outlet（6）, lower section is equipped with lower air outlet（7）, which is characterized in that it is described
Spiral case（5）Middle part fan shaft is installed（11）, the impeller（1）Including wheel hub（4）And blade（1-2）, the wheel hub（4）Key
It is connected to the fan shaft（11）On, the wheel hub（4）On be installed with round mid-game（1-1）, the blade（1-2）Installation
In the round mid-game（1-1）Two sides on, the impeller（1）Outside cover board is installed（2）, the cover board（2）On
Wheel hub described in face（4）Part be provided with circular hole（2-1）.
2. a kind of double vortex cleaning fans of the top formula of radial direction according to claim 1, which is characterized in that each blade
（1-2）Surface be arc surface, two groups of blades（1-2）Backrest-type is symmetrically mounted on the mid-game（1-1）Two sides on.
3. a kind of double vortex cleaning fans of the top formula of radial direction according to claim 2, which is characterized in that the circle mid-game
（1-1）On be provided with arc groove, each blade（1-2）Mounted on the round mid-game（1-1）Arc groove in.
4. a kind of double vortex cleaning fans of the top formula of radial direction according to claim 1 or 2 or 3, which is characterized in that the wind
Arbor（11）Upper installation impeller（1）Quantity be two or more.
5. a kind of double vortex cleaning fans of the top formula of radial direction according to claim 1 or 2 or 3, which is characterized in that under described
Air outlet（7）Baffle upper plate is inside installed（8）And chin spoiler（9）, the deflector（8）With the chin spoiler（9）It is fixed
In the spiral case（5）On.
6. a kind of double vortex cleaning fans of the top formula of radial direction according to claim 5, which is characterized in that the baffle upper plate
（8）With the chin spoiler（9）Mounted on the spiral case（5）On arc groove in, the baffle upper plate（8）With the lower water conservancy diversion
Plate（9）Installation site cocoa freely adjusted in the arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425015.0A CN108591094A (en) | 2018-05-07 | 2018-05-07 | A kind of double vortex cleaning fans of the top formula of radial direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425015.0A CN108591094A (en) | 2018-05-07 | 2018-05-07 | A kind of double vortex cleaning fans of the top formula of radial direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591094A true CN108591094A (en) | 2018-09-28 |
Family
ID=63619991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810425015.0A Pending CN108591094A (en) | 2018-05-07 | 2018-05-07 | A kind of double vortex cleaning fans of the top formula of radial direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591094A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243665A (en) * | 2018-12-18 | 2019-09-17 | 中国农业科学院作物科学研究所 | A kind of equipment for crop test resistant to lodging |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2849118A (en) * | 1956-02-20 | 1958-08-26 | Massey Ferguson Inc | Fanning mill for combines |
| US2954123A (en) * | 1957-09-12 | 1960-09-27 | Massey Ferguson Australia Ltd | Harvesting machine or combine |
| EP1407656A1 (en) * | 2002-10-08 | 2004-04-14 | CLAAS Selbstfahrende Erntemaschinen GmbH | Radial blower |
| CN101285479A (en) * | 2008-05-23 | 2008-10-15 | 山东理工大学 | Through-flow double channel blower fan |
| CN201679741U (en) * | 2010-05-13 | 2010-12-22 | 浙江兴昌风机有限公司 | Special fan for adsorption of oil smoke in kitchen |
| US20120184339A1 (en) * | 2011-01-14 | 2012-07-19 | Waldemar Schulz | Combine harvester |
| CN203146371U (en) * | 2013-03-14 | 2013-08-21 | 上海谷科通风设备有限公司 | Minitype centrifugal fan |
| CN206993774U (en) * | 2017-08-03 | 2018-02-13 | 九方泰禾国际重工(青岛)股份有限公司 | A kind of three air channel cleaning device of combined harvester |
| CN208578746U (en) * | 2018-05-07 | 2019-03-05 | 江苏大学 | A kind of double vortex cleaning fans of the top formula of radial direction |
-
2018
- 2018-05-07 CN CN201810425015.0A patent/CN108591094A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2849118A (en) * | 1956-02-20 | 1958-08-26 | Massey Ferguson Inc | Fanning mill for combines |
| US2954123A (en) * | 1957-09-12 | 1960-09-27 | Massey Ferguson Australia Ltd | Harvesting machine or combine |
| EP1407656A1 (en) * | 2002-10-08 | 2004-04-14 | CLAAS Selbstfahrende Erntemaschinen GmbH | Radial blower |
| CN101285479A (en) * | 2008-05-23 | 2008-10-15 | 山东理工大学 | Through-flow double channel blower fan |
| CN201679741U (en) * | 2010-05-13 | 2010-12-22 | 浙江兴昌风机有限公司 | Special fan for adsorption of oil smoke in kitchen |
| US20120184339A1 (en) * | 2011-01-14 | 2012-07-19 | Waldemar Schulz | Combine harvester |
| CN203146371U (en) * | 2013-03-14 | 2013-08-21 | 上海谷科通风设备有限公司 | Minitype centrifugal fan |
| CN206993774U (en) * | 2017-08-03 | 2018-02-13 | 九方泰禾国际重工(青岛)股份有限公司 | A kind of three air channel cleaning device of combined harvester |
| CN208578746U (en) * | 2018-05-07 | 2019-03-05 | 江苏大学 | A kind of double vortex cleaning fans of the top formula of radial direction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243665A (en) * | 2018-12-18 | 2019-09-17 | 中国农业科学院作物科学研究所 | A kind of equipment for crop test resistant to lodging |
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