CN110118189B - Air quantity adjusting mechanism of cleaning fan of combine harvester - Google Patents
Air quantity adjusting mechanism of cleaning fan of combine harvester Download PDFInfo
- Publication number
- CN110118189B CN110118189B CN201910387227.9A CN201910387227A CN110118189B CN 110118189 B CN110118189 B CN 110118189B CN 201910387227 A CN201910387227 A CN 201910387227A CN 110118189 B CN110118189 B CN 110118189B
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- Prior art keywords
- shaft
- clutch
- driven part
- finger
- clutch driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- 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
- F04D29/287—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps with adjusting means
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An air volume adjusting mechanism of a cleaning fan of a combine harvester belongs to agricultural machinery; the left and right sides of the middle shaft are respectively provided with a left shaft and a right shaft coaxially and concentrically, the middle shaft is provided with a left clutch driven part, a regulating wheel and a right clutch driven part, the left shaft is provided with a stepping motor, a left radial plate and a left clutch driving part, the right shaft is provided with a right radial plate, a belt pulley and a right clutch driving part, two ends of a fan blade are respectively hinged with the left and right radial plates in a rotating way, a finger shifting shaft with a left clutch shifting finger, a right clutch shifting finger and a bidirectional hydraulic oil cylinder is inserted and supported in the right shaft, the middle shaft and the left shaft in a left-right moving way through a left bearing, and two ends of a connecting rod are respectively hinged on the regulating wheel and the fan blade; the mechanism realizes the change of the blowing quantity of the cleaning operation by adjusting the blowing inclination angle of the fan blades, and has the characteristics of novel, unique and reasonable structure, simple and convenient adjustment operation, good operation quality, strong applicability and reasonable utilization of power energy.
Description
Technical Field
The invention belongs to agricultural machinery, and mainly relates to a cleaning fan structure on a combined harvester.
Background
In order to ensure and improve the cleanliness of crop seeds harvested by the combine harvester, cleaning fans capable of removing impurities carried in the detached crop seeds are arranged on the combine harvester. In the agricultural production operation practice, the existing cleaning fan with unadjustable blowing rate has poor adaptability due to the reasons of different crop varieties, difference of operation conditions, variation of threshed crop feeding amount and the like, and when the impurity content in crop grains is large, the cleanliness is reduced and the grain cleaning quality is poor; when the impurity content in the crop grains is low, the loss of blowing rate is caused, and the energy for driving the cleaning fan to rotate is wasted. Therefore, it is necessary to design a combined harvester cleaning fan air volume adjusting mechanism to meet and adapt to the requirements of different cleaning operation conditions.
Disclosure of Invention
The invention aims to solve the problems in the prior art and combine the actual requirements of the operation and use of the combine harvester to design and provide the air volume adjusting mechanism of the cleaning fan of the combine harvester, and the mechanism can change the air volume by adjusting the blowing inclination angle of the fan blades according to the feeding amount and impurity content of the cleaned crop seeds, thereby achieving the purposes of ensuring the cleanliness of the crop seeds, reducing the working resistance of the fan blades, saving energy and having strong adaptability under the condition of meeting the operation requirements.
The invention aims to realize that a left clutch driven part and a right clutch driven part are respectively and fixedly arranged on the left end part and the right end part of an intermediate shaft, an adjusting wheel is fixedly arranged on the intermediate shaft and positioned between the left clutch driven part and the right clutch driven part, a connecting rod is hinged on the adjusting wheel in a circumferential swinging manner, a left shaft and a right shaft are respectively and coaxially arranged on the left side part and the right side part of the intermediate shaft, a left radial plate is sleeved on the left side part of the left shaft in a relatively rotating manner, a left clutch driving part is fixedly arranged on the right end part of the left shaft, the left clutch driving part and the left clutch driven part are in mutual contact fit or separation contact fit, a right radial plate and a belt pulley are sequentially and fixedly arranged on the right side part of the right shaft from left to right, a right clutch driving part is fixedly arranged on the left end part of the right shaft, the right clutch driving part and the right clutch driven part are in mutual contact fit or separation contact fit, the left end and the right end of each fan blade are respectively hinged with a left spoke plate and a right spoke plate in a rotating mode, the outer end of the connecting rod is hinged with the fan blades in a left-right moving mode, a fixedly arranged stepping motor is connected with a left shaft, a left bearing and a right bearing are fixedly arranged in inner holes of the left shaft and the right shaft respectively, a finger shifting shaft is inserted and supported in inner holes of the left bearing and the right bearing in a left-right moving mode, a left clutch shifting finger and a right clutch shifting finger are arranged on the left side portion and the right side portion of the finger shifting shaft and located between a left clutch driven piece and a right clutch driven piece respectively, the left clutch shifting finger and the right clutch shifting finger are in contact fit with the left clutch driven piece and the right clutch driven piece respectively, and the finger shifting shaft is connected with a fixedly arranged bidirectional hydraulic oil cylinder to form a cleaning machine fan air volume adjusting mechanism.
The invention can realize the change of the blowing quantity by adjusting the blowing inclination angle of the fan blades according to the actual condition that crop grains contain impurities when the combine harvester operates, meets the operation requirement, and has the characteristics of novel, unique and simple structure, simple and convenient adjustment operation, good operation quality, strong applicability and reasonable utilization of power energy.
Drawings
FIG. 1 is a schematic view of the general structure of a cleaning fan air volume adjusting mechanism of a combine harvester;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is an axial sectional view of fig. 2.
Description of part numbers in the figures:
1. the device comprises a stepping motor, 2, a left radial plate, 3, a left shaft, 4, fan blades, 5, a left clutch driven part, 6, a left clutch finger, 7, an adjusting wheel, 8, a right clutch finger, 9, a right shaft, 10, a right radial plate, 11, a belt pulley, 12, a finger shaft, 13, a bidirectional hydraulic oil cylinder, 14, a right clutch driven part, 15, a connecting rod, 16, an intermediate shaft, 17, a left bearing, 18, a right bearing, 19, a left clutch driving part, 20 and a right clutch driving part.
Detailed Description
The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. The utility model provides a combine cleaning fan air regulation mechanism adorns left clutch follower 5 and right clutch follower 14 on the left and right tip of jackshaft 16 respectively admittedly it adorns regulating wheel 7 to be located position department admittedly between left clutch follower 5 and the right clutch follower 14 on the jackshaft 16 but on the regulating wheel 7 circumference swing ground hinge dress connecting rod 15 the left and right side position department of jackshaft 16 dispose left axle 3 and right axle 9 respectively with the same axle heart left side position can suit left radials 2 relatively rotatably on the left side position of left axle 3, left clutch driving part 19 admittedly adorns on the right end of left axle 3, left clutch driving part 19 is the mutual contact cooperation or the separation contact cooperation with left clutch follower 5 right radials 10 and belt pulley 11 admittedly adorn from a left side to the right side on the right side portion of right axle 9 in proper order admittedly right clutch driving part 20 is adorned on the left end of right axle 9, the right clutch driving part 20 and the right clutch driven part 14 are in mutual contact fit or separated contact fit, the left and right ends of the fan blade 4 are rotatably hinged with the left radial plate 2 and the right radial plate 10 respectively, the outer end of the connecting rod 15 is hinged with the fan blade 4 in a left-right moving manner, the fixedly arranged stepping motor 1 is connected with the left shaft 3, a left bearing 17 and a right bearing 18 are fixedly arranged in inner holes of the left shaft 3 and the right shaft 9 respectively, the finger-poking shaft 12 is inserted and supported in the inner holes of the left bearing 17 and the right bearing 18 in a left-right moving manner, a left clutch poking finger 6 and a right clutch poking finger 8 are arranged on the left side part and the right side part of the poking shaft 12 and between the left clutch driven part 5 and the right clutch driven part 14 respectively, the left clutch poking finger 6 and the right clutch poking finger 8 are in contact fit with the left clutch driven part 5 and the right clutch driven part 14 respectively, the finger-poking shaft 12 is connected with a fixedly arranged bidirectional hydraulic oil cylinder 13.
When the cleaning fan is used in operation, the external rotary power drives the right shaft 9 and the right radial plate 10 to rotate through the belt pulley 11, at the moment, the right clutch driving part 20 and the right clutch driven part 14 are in a contact fit joint state to drive the intermediate shaft 16 to synchronously rotate, at the moment, the left clutch driven part 5 and the left clutch driving part 19 are in a contact fit disconnection state, the stepping motor 1 and the left shaft 3 do not rotate, the rotating right radial plate 10 drives the left radial plate 2 to rotate through the fan blades 4, the fan blades 4 do not deflect, and the air volume of the cleaning fan is not changed. When the air volume of the cleaning fan needs to be adjusted and changed, the stepping motor 1 is started, the rotating speed of the stepping motor is the same as that of the belt pulley 11, the bidirectional hydraulic oil cylinder 13 is started, the finger poking shaft 12, the left clutch finger poking 6, the left clutch driven part 5, the intermediate shaft 16 and the right clutch driven part 14 are driven to move towards the left side together through the extension of a hydraulic oil cylinder rod, the connection of the left clutch driven part 5 and the left clutch driving part 19 in a contact matching mode and the disconnection of the right clutch driven part 14 and the right clutch driving part 20 in a disengaging mode are completed, the right shaft 9 and the intermediate shaft 16 are separated, the rotating speed of the stepping motor 1 is adjusted, the rotating speed of the stepping motor 1 is different from that of the belt pulley 11, the rotating speeds of the left shaft 3 and the intermediate shaft 16 and the right shaft 9 generate a speed difference, the connecting rod 15 on the intermediate shaft 9 pushes or pulls the fan blades 4, and finishing the air quantity adjusting operation. After the adjustment is finished, the left clutch driven part 5 is separated from the left clutch driving part 19 again, the right clutch driven part 14 is connected with the right clutch driving part 20, the inclination angle of the fan blades 4 is fixed, and the cleaning fan maintains the rotation of the adjusted air volume.
Claims (1)
1. The utility model provides a combine cleaning fan amount of wind adjustment mechanism which characterized in that: a left clutch driven part (5) and a right clutch driven part (14) are fixedly installed on the left end part and the right end part of an intermediate shaft (16) respectively, an adjusting wheel (7) is fixedly installed at a position between the left clutch driven part (5) and the right clutch driven part (14) on the intermediate shaft (16), a connecting rod (15) can be hinged on the adjusting wheel (7) in a circumferential swinging mode, a left shaft (3) and a right shaft (9) are coaxially and concentrically arranged at the left side position and the right side position of the intermediate shaft (16), a left spoke plate (2) is sleeved on the left side position of the left shaft (3) in a relatively rotating mode, a left clutch driving part (19) is fixedly installed on the right end part of the left shaft (3), the left clutch driving part (19) and the left clutch driven part (5) are in mutual contact fit or separated contact fit, and a right spoke plate (10) and a belt pulley (11) are fixedly installed on the right side part of the right shaft (9) from left to right in sequence, the left end part of the right shaft (9) is fixedly provided with a right clutch driving part (20), the right clutch driving part (20) and the right clutch driven part (14) are in mutual contact fit or separation contact fit, the left and right ends of the fan blade (4) are rotatably hinged with the left radial plate (2) and the right radial plate (10) respectively, the outer end of the connecting rod (15) is hinged with the fan blade (4) in a leftward-rightward moving manner, the fixedly arranged stepping motor (1) is connected with the left shaft (3), a left bearing (17) and a right bearing (18) are fixedly arranged in inner holes of the left shaft (3) and the right shaft (9) respectively, the finger shifting shaft (12) is inserted and supported in the inner holes of the left bearing (17) and the right bearing (18) in a leftward-rightward moving manner, and a left clutch shifting finger (6) and a right clutch shifting finger (8) are arranged at positions between the left clutch driven part (5) and the right clutch driven part (14) on the left and right side parts of the finger shifting shaft (12) respectively ) The left clutch shifting finger (6) and the right clutch shifting finger (8) are respectively in contact fit with the left clutch driven part (5) and the right clutch driven part (14), and the shifting finger shaft (12) is connected with a fixedly arranged bidirectional hydraulic oil cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387227.9A CN110118189B (en) | 2019-05-10 | 2019-05-10 | Air quantity adjusting mechanism of cleaning fan of combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387227.9A CN110118189B (en) | 2019-05-10 | 2019-05-10 | Air quantity adjusting mechanism of cleaning fan of combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110118189A CN110118189A (en) | 2019-08-13 |
| CN110118189B true CN110118189B (en) | 2020-05-15 |
Family
ID=67522110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910387227.9A Active CN110118189B (en) | 2019-05-10 | 2019-05-10 | Air quantity adjusting mechanism of cleaning fan of combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118189B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110839412A (en) * | 2019-10-28 | 2020-02-28 | 江苏大学 | Serial-type many fans amount of wind adjusting device |
| CN113323898B (en) * | 2021-06-02 | 2022-11-22 | 浙江吉利控股集团有限公司 | Bilateral air quantity adjustable fan and air conditioner |
Citations (9)
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|---|---|---|---|---|
| CN2463076Y (en) * | 2001-02-01 | 2001-12-05 | 姜维禄 | Blast regulator for grain cleaner |
| CN2643636Y (en) * | 2003-09-25 | 2004-09-29 | 南京天宇机械有限公司 | Air quantity regulating mechanism of seed refining apparatus |
| CN203578220U (en) * | 2013-11-25 | 2014-05-07 | 武伟 | Blowing-rate-adjustable transverse flow winnower |
| CN104847696A (en) * | 2015-05-04 | 2015-08-19 | 浙江理工大学 | Mechanical device for immediately adjusting installing angle of impeller |
| CN204733622U (en) * | 2015-03-04 | 2015-11-04 | 江苏大学 | Controlling means is cleaned to combine harvester self -adaptation |
| CN205253576U (en) * | 2015-12-28 | 2016-05-25 | 新疆天研种子机械工程技术研究中心（有限公司） | Air volume adjusting device and seed cleaner |
| CN206078158U (en) * | 2016-09-23 | 2017-04-12 | 山东巨明机械有限公司 | Grain harvesters cleaning fan speed adjusting device |
| CN207161661U (en) * | 2017-09-08 | 2018-03-30 | 新疆新研牧神科技有限公司 | Arrangements for speed regulation, cleaning plant and harvester |
| CN208113396U (en) * | 2018-03-13 | 2018-11-20 | 久保田农业机械(苏州)有限公司 | The shelling cleaning plant of millet harvester |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002045029A (en) * | 2000-07-31 | 2002-02-12 | Iseki & Co Ltd | Combine harvester |
| GB201104487D0 (en) * | 2011-03-17 | 2011-05-04 | Agco As | Combine harvester re-threshing apparatus |
-
2019
- 2019-05-10 CN CN201910387227.9A patent/CN110118189B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463076Y (en) * | 2001-02-01 | 2001-12-05 | 姜维禄 | Blast regulator for grain cleaner |
| CN2643636Y (en) * | 2003-09-25 | 2004-09-29 | 南京天宇机械有限公司 | Air quantity regulating mechanism of seed refining apparatus |
| CN203578220U (en) * | 2013-11-25 | 2014-05-07 | 武伟 | Blowing-rate-adjustable transverse flow winnower |
| CN204733622U (en) * | 2015-03-04 | 2015-11-04 | 江苏大学 | Controlling means is cleaned to combine harvester self -adaptation |
| CN104847696A (en) * | 2015-05-04 | 2015-08-19 | 浙江理工大学 | Mechanical device for immediately adjusting installing angle of impeller |
| CN205253576U (en) * | 2015-12-28 | 2016-05-25 | 新疆天研种子机械工程技术研究中心（有限公司） | Air volume adjusting device and seed cleaner |
| CN206078158U (en) * | 2016-09-23 | 2017-04-12 | 山东巨明机械有限公司 | Grain harvesters cleaning fan speed adjusting device |
| CN207161661U (en) * | 2017-09-08 | 2018-03-30 | 新疆新研牧神科技有限公司 | Arrangements for speed regulation, cleaning plant and harvester |
| CN208113396U (en) * | 2018-03-13 | 2018-11-20 | 久保田农业机械(苏州)有限公司 | The shelling cleaning plant of millet harvester |
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| Publication number | Publication date |
|---|---|
| CN110118189A (en) | 2019-08-13 |
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