CN201571358U - Semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission - Google Patents
Semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission Download PDFInfo
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- CN201571358U CN201571358U CN2009202764758U CN200920276475U CN201571358U CN 201571358 U CN201571358 U CN 201571358U CN 2009202764758 U CN2009202764758 U CN 2009202764758U CN 200920276475 U CN200920276475 U CN 200920276475U CN 201571358 U CN201571358 U CN 201571358U
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Abstract
The utility model relates to a semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission capable of adjusting threshing speed, which comprises a shell, an input shaft and an output shaft, and is characterized by further comprising a three-gear change gear, a gear shift fork combination used for changing the axial position of the change gear, a transition gear spline shaft, a three-gear transition gear arranged on the transition gear spline shaft, and an output gear; the transition gear spline shaft and the output shaft are respectively parallel to the input shaft; the three-gear change gear comprises a change gear I, a changer gear II and a change gear III which are sheathed on the input shaft; and the shift fork end of the gear shift fork is limited among the change gears. The semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission reduces unnecessary power loss, leads the threshing to be more thorough, decreases the grain loss rate, and greatly improves the applicability of a transmission body.
Description
(1) technical field:
The utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model, 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 utility model is described in further details:
Accompanying drawing 1 is the structural representation of the utility model embodiment.
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, among the utility model embodiment, 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 I3-1, 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 I8, 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 utility model, and protection domain of the present utility model 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 |
|---|---|---|---|
| CN2009202764758U CN201571358U (en) | 2009-12-07 | 2009-12-07 | Semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202764758U CN201571358U (en) | 2009-12-07 | 2009-12-07 | Semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201571358U true CN201571358U (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202764758U Expired - Lifetime CN201571358U (en) | 2009-12-07 | 2009-12-07 | Semi-feeding rice-wheat combine harvester threshing cylinder three-speed transforming transmission |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588580A (en) * | 2012-02-10 | 2012-07-18 | 陈万荣 | Gear-shifting device of mini-tiller |
| CN102763502A (en) * | 2012-07-13 | 2012-11-07 | 江伟 | Mini-cultivator speed-change mechanism |
| CN103688688A (en) * | 2013-12-19 | 2014-04-02 | 浙江柳林农业机械股份有限公司 | Threshing cylinder allowing three-gear speed changing |
| CN108124600A (en) * | 2018-02-05 | 2018-06-08 | 温岭市明华齿轮有限公司 | Driving axle for rice cutter |
-
2009
- 2009-12-07 CN CN2009202764758U patent/CN201571358U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588580A (en) * | 2012-02-10 | 2012-07-18 | 陈万荣 | Gear-shifting device of mini-tiller |
| CN102763502A (en) * | 2012-07-13 | 2012-11-07 | 江伟 | Mini-cultivator speed-change mechanism |
| CN103688688A (en) * | 2013-12-19 | 2014-04-02 | 浙江柳林农业机械股份有限公司 | Threshing cylinder allowing three-gear speed changing |
| CN108124600A (en) * | 2018-02-05 | 2018-06-08 | 温岭市明华齿轮有限公司 | Driving axle for rice cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 225300 Zhenlong, Taizhou, Kowloon Park Road, Hailing District, Jiangsu, No. 288 Patentee after: TAIZHOU CHANGFA AGRICULTURE EQUIPMENT CO., LTD. Address before: 225300 in Jiangsu Province, the west side of Taizhou City Hailing District Hailing bridge modern Fengling agricultural equipment company Patentee before: Jiangsu Changfa Fengling Agricultural Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
|
| CX01 | Expiry of patent term |