CN102084766A - Three-speed variable transmission device for threshing cylinder of semi-feeding rice and wheat combine harvester - Google Patents
Three-speed variable transmission device for threshing cylinder of semi-feeding rice and wheat combine harvester Download PDFInfo
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- CN102084766A CN102084766A CN2009102325079A CN200910232507A CN102084766A CN 102084766 A CN102084766 A CN 102084766A CN 2009102325079 A CN2009102325079 A CN 2009102325079A CN 200910232507 A CN200910232507 A CN 200910232507A CN 102084766 A CN102084766 A CN 102084766A
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Abstract
The invention relates to a three-speed variable transmission device for a threshing cylinder of a semi-feeding rice and wheat combine harvester capable of adjusting the threshing speed, which is transmitted through an input shaft, a transition gear spline shaft and an output shaft, wherein power is transmitted to the input shaft through a coupler, then a change gear is regulated by using a gear shift fork to realize three-gear speed change, and then the power is transferred at equal speed through I-level gears on the transition gear spline shaft and the output shaft, output by the output shaft and transmitted to the threshing cylinder through a belt. Through regulating the speed of the threshing cylinder, the defect of the single speed of the original threshing cylinder is improved to ensure that the machine body can select a proper threshing speed when working according to the difference of rice varieties and the yield of crops so that unnecessary power consumption loss is reduced, crops are threshed more cleanly, the loss rate of grains is reduced, and the adaptability of the machine body is greatly improved.
Description
(1) technical field:
The present invention relates to a kind of gearbox transmission device, especially a kind of three fast variable speed drives of semi-feeding combine harvester threshing cylinder.
(2) background technology:
Along with the development of Chinese agricultural modernization, the agricultural product scientific and technological content progressively improves, and rice yield can be up to 916.44 kilograms/mu.Paddy rice plantation overlay area area is big, and North gets Heilungkiang, south is to Hainan Island, and zones of different rice cultivation kind differs, the height difference of cereal, the intensity difference of rice straw, and output is different.Nowadays cross-regional operation has also formed weather, how to adapt to the modern agriculture production development, meets the need of market, and has proposed severe challenge concerning the grain header industry.In the prior art, the transmission device of semi-feeding combine harvester threshing cylinder is a gearbox in the middle of being passed to through belt transmission by diesel engine, then passes to threshing cylinder by middle gearbox by belt transmission.There is following defective in the drive mechanism of the single speed of threshing cylinder: can not adjust best threshing speed according to the height of grain variety and output; The grain breakage rate is bigger; Threshing is unclean; There is not excellent adaptability for cross-regional operation.
(3) summary of the invention:
The present invention aims to provide a kind of three fast variable speed drives that can adjust the semi-feeding combine harvester threshing cylinder of threshing speed.
Invention thinking of the present invention is: increase by three fast speed change gears and improve the single speed defective of original middle gearbox, regulate gear shift by the gear shift fork combination, realize the conversion of I shelves gear, II shelves gear, III shelves gear different rotating speeds, the feasible power that imports into by shaft coupling is adjusted to suitable threshing speed through three fast speed changes, exports and pass to threshing cylinder by output shaft.
Technical solution of the present invention is as follows:
A kind of three fast variable speed drives of semi-feeding combine harvester threshing cylinder comprise housing, power shaft, output shaft, it is characterized in that:
It also comprises the three class gear shift gear that is installed on the power shaft, be used to change the axial location of change-speed gearing gear shift fork combination, transition gear splined shaft, be installed on third gear transition gear, output gear on the transition gear splined shaft, above transition gear splined shaft, output shaft all parallel with power shaft
The three class gear shift gear comprises change-speed gearing I, change-speed gearing II, change-speed gearing III, and they are set on the power shaft, and the shift fork end of gear shift fork is limited between change-speed gearing;
Be respectively fitted with third gear by spacer on the transition gear splined shaft: I shelves transition gear, II shelves transition gear, III shelves transition gear, after the axial location of third gear transition gear guaranteed gear shift fork running fix, one grade of change-speed gearing was not interfered with the engagement of corresponding transition gear and other two pairs of gears;
Be equipped with output gear on the output shaft, output gear meshes with a transition gear all the time.
Further technical scheme is:
Described gear shift fork is combined as one and is used to control gear shift fork and makes axially movable linkage along declutch shift shaft, it comprises gear shift fork handle body, gear shift fork hadle, declutch shift shaft, gear shift fork, steel ball, gear shift fork spring, at least be distributed with the three class gear shift groove of corresponding three class gear shift respectively on the declutch shift shaft, steel ball, gear shift fork spring are installed on the declutch shift shaft outside, by stretching of gear shift fork spring, steel ball and speed change groove are realized the location of floating, thereby gear shift fork and speed change groove are realized the location of floating;
The course of work of the present invention is as follows:
By rotating the gear shift fork hadle, by stretching of gear shift fork spring, change the relative position of steel ball, regulate the axial location of gear shift fork on declutch shift shaft, when change-speed gearing I in the middle of being positioned at and the engagement of I shelves transition gear, other two pairs of gears are not interfered; When gear shift fork is moved to the left certain distance, change-speed gearing II and the engagement of II shelves transition gear; When gear shift fork moves right certain distance, change-speed gearing III and the engagement of III shelves transition gear.Transition change-speed gearing and output gear engagement.Regulate gear shift by the gear shift fork combination, realize the conversion of I shelves gear, II shelves gear, III shelves gear different rotating speeds, the feasible power that imports into by shaft coupling is adjusted to suitable threshing speed through three fast speed changes, through with the transition change-speed gearing of change-speed gearing engagement, threshing cylinder is exported and passed to the engagement output gear by output shaft again.
Further technical scheme is:
Described output gear is assemblied on the output shaft by spacer.
Another improvements are:
The constant speed transmission is taked in the engagement of a described output gear and a transition gear.
More than two technical schemes respectively to safeguarding and processing has a positive effect.
Three speed transmission transmission devices of the present invention, simple, practical, three fast speed changes have guaranteed semi-feeding combine harvester adaptability preferably, have strengthened the threshing ability; Tackle early, the harvesting of late dew phase is also very smooth, tackles cross-regional operation, it is stronger to gather in early, middle and late paddy rice adaptability; More single speed greatly reduces cereal breakage rate, the grain proportion of goods damageds when gathering in; Through threshing; And improved the harvesting stability of machine greatly, in the service life of having improved transmission device, reduced use cost.
(4) description of drawings:
Below with reference to drawings and Examples the present invention is described in further details:
Accompanying drawing 1 is the structural representation of the embodiment of the invention.
Accompanying drawing 2 is the structural representation at the declutch shift shaft position in accompanying drawing 1 illustrated embodiment.
Each sequence number is respectively in the accompanying drawing: 1. shaft coupling, 2. power shaft, 3. change-speed gearing combination, 3-1. change-speed gearing I, 3-2. change-speed gearing II, 3-3. change-speed gearing III, 4. declutch shift shaft, 5. gear shift fork combination, 5-1. gear shift fork handle body, 5-2. the gear shift fork hadle, 5-3. gear shift fork, 5-4. steel ball, 5-5. the gear shift fork spring, 6.III shelves transition gear, 7.I shelves transition gear, 8. spacer I, 9. transition gear splined shaft, 10. spacer II, 11. output shaft, 12. output gears, 13. threshing cylinders, 14. belt pulley I, 15. belts, 16. regulating wheels, 17. belt pulley II, 18.II shelves gear, 19. spacer III, 20. middle gearbox, 21. diesel engines.
(5) embodiment:
Referring to accompanying drawing 1,2, in the embodiment of the invention, gear shift fork combination 5 comprises gear shift fork handle body 5-1, gear shift fork hadle 5-2, gear shift fork 5-3, steel ball 5-4, gear shift fork spring 5-5; Change-speed gearing combination 3 comprises change-speed gearing I 3-1, change-speed gearing II3-2, change-speed gearing III3-3; Be equipped with I shelves transition gear 7, II shelves transition gear 18, III shelves transition gear 6, spacer I 8, spacer III19 on the transition gear splined shaft; Output gear 12 is by the shaft shoulder and spacer II axial location on the output shaft; Regulate the axial location of gear shift fork on declutch shift shaft by rotating the gear shift fork hadle, stretching in this adjustment process by the gear shift fork spring, change the relative position of steel ball, make gear shift fork slide freely, when gear shift fork is in position shown in the accompanying drawing, change-speed gearing I and I shelves gears engaged; When gear shift fork is moved to the left 32.4mm, change-speed gearing II and II shelves gears engaged; When gear shift fork moves right 32.5mm, change-speed gearing III and III shelves gears engaged; Relative position relation in the accompanying drawing between change-speed gearing combination, I shelves gear, II shelves gear, the III shelves gear, and the distance relation 82.5mm of power shaft and transition gear splined shaft, when having guaranteed gear shift during a pair of gears engaged other two pairs of gears do not interfere; Output gear 12 is by the shaft shoulder and spacer II axial location on the output shaft; The constant speed transmission is taked in the engagement of described two stage speed change I shelves gear and output gear.
Through the transmission of first order speed change, its power passes to power shaft through shaft coupling 1, change-speed gearing combination 3 is loaded on the power shaft 2, regulate the axial location of gear shift fork 5-3 on declutch shift shaft 4 by rotating gear shift fork hadle 5-2, stretching in this adjustment process by gear shift fork spring 5-5, change the relative position of steel ball 5-4, make gear shift fork 5-3 slide freely, when gear shift fork 5-3 is in position shown in the accompanying drawing, change-speed gearing I and I shelves gears engaged, when gear shift fork 5-3 is moved to the left 32.4mm, change-speed gearing II and II shelves gears engaged, when gear shift fork 5-3 moves right 32.5mm, change-speed gearing III and III shelves gears engaged; Second level speed change transmission is transmitted by I shelves gear on the transition gear splined shaft 9 and 12 engagements of the output gear on the output shaft; Power is passed to threshing cylinder via output shaft 11 by belt transmission then.Regulating wheel 16 is positioned at a side of belt 15.Driving source is passed to power shaft through shaft coupling 1, by transition gear splined shaft, output shaft, belt transmission, is passed to threshing cylinder.When utilizing rice/wheat combine harvesting operation, by regulating the relative position of gear shift fork, make the change-speed gearing combination respectively with I shelves gear, II shelves gear, III shelves gears engaged, realize that threshing cylinder obtains different rotating speeds.
Above-mentioned drawings and Examples only are used to illustrate the present invention, and protection scope of the present invention is not constituted any limitation.
Claims (4)
1. three of a semi-feeding combine harvester threshing cylinder fast variable speed drives comprise housing, power shaft, output shaft, it is characterized in that:
It also comprises the three class gear shift gear that is installed on the power shaft, be used to change the axial location of change-speed gearing gear shift fork combination, transition gear splined shaft, be installed on third gear transition gear, output gear on the transition gear splined shaft, above transition gear splined shaft, output shaft all parallel with power shaft
The three class gear shift gear comprises change-speed gearing I, change-speed gearing II, change-speed gearing III, and they are set on the power shaft, and the shift fork end of gear shift fork is limited between change-speed gearing;
Be respectively fitted with third gear by spacer on the transition gear splined shaft: I shelves transition gear, II shelves transition gear, III shelves transition gear, after the axial location of third gear transition gear guaranteed gear shift fork running fix, one grade of change-speed gearing was not interfered with the engagement of corresponding transition gear and other two pairs of gears;
Be equipped with output gear on the output shaft, output gear meshes with a transition gear all the time.
2. three fast variable speed drives of semi-feeding combine harvester threshing cylinder according to claim 1 is characterized in that:
Described gear shift fork is combined as one and is used to control gear shift fork and makes axially movable linkage along declutch shift shaft, it comprises gear shift fork handle body, gear shift fork hadle, declutch shift shaft, gear shift fork, steel ball, gear shift fork spring, at least be distributed with the three class gear shift groove of corresponding three class gear shift respectively on the declutch shift shaft, steel ball, gear shift fork spring are installed on the declutch shift shaft outside, by stretching of gear shift fork spring, steel ball and speed change groove are realized the location of floating, thereby gear shift fork and speed change groove are realized the location of floating.
3. three fast variable speed drives of semi-feeding combine harvester threshing cylinder according to claim 1, it is characterized in that: described output gear is assemblied on the output shaft by spacer.
4. according to three fast variable speed drives of claim 1,2,3 arbitrary described semi-feeding combine harvester threshing cylinders, it is characterized in that: the constant speed transmission is taked in the engagement of a described output gear and a transition gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102325079A CN102084766A (en) | 2009-12-07 | 2009-12-07 | Three-speed variable transmission device for threshing cylinder of semi-feeding rice and wheat combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102325079A CN102084766A (en) | 2009-12-07 | 2009-12-07 | Three-speed variable transmission device for threshing cylinder of semi-feeding rice and wheat combine harvester |
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| Publication Number | Publication Date |
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| CN102084766A true CN102084766A (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102325079A Pending CN102084766A (en) | 2009-12-07 | 2009-12-07 | Three-speed variable transmission device for threshing cylinder of semi-feeding rice and wheat combine harvester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604452A (en) * | 2015-01-29 | 2015-05-13 | 鲁顺 | Threshing constant-speed change drive box of longitudinal axial flow harvester |
| CN105123098A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Combine harvester roller transmission device |
| CN108942677A (en) * | 2018-07-26 | 2018-12-07 | 册亨县善美乐工艺品有限责任公司 | Variable-ratio polishing machine for the processing of iron process product |
| CN112901755A (en) * | 2021-03-05 | 2021-06-04 | 江苏沃得农业机械配件制造有限公司 | Variable-speed threshing transmission case |
-
2009
- 2009-12-07 CN CN2009102325079A patent/CN102084766A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604452A (en) * | 2015-01-29 | 2015-05-13 | 鲁顺 | Threshing constant-speed change drive box of longitudinal axial flow harvester |
| CN105123098A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Combine harvester roller transmission device |
| CN105123098B (en) * | 2015-09-22 | 2017-12-12 | 雷沃重工股份有限公司 | Cylinder of combine harvester transmission device |
| CN108942677A (en) * | 2018-07-26 | 2018-12-07 | 册亨县善美乐工艺品有限责任公司 | Variable-ratio polishing machine for the processing of iron process product |
| CN112901755A (en) * | 2021-03-05 | 2021-06-04 | 江苏沃得农业机械配件制造有限公司 | Variable-speed threshing transmission case |
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Application publication date: 20110608 |