CN103244614B - The small-size rotary tiller speed changer of double dynamical output shaft - Google Patents
The small-size rotary tiller speed changer of double dynamical output shaft Download PDFInfo
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- CN103244614B CN103244614B CN201310187093.9A CN201310187093A CN103244614B CN 103244614 B CN103244614 B CN 103244614B CN 201310187093 A CN201310187093 A CN 201310187093A CN 103244614 B CN103244614 B CN 103244614B
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- gear
- shaft
- output shaft
- speed change
- main drive
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Abstract
The small-size rotary tiller speed changer of double dynamical output shaft, is made up of gearbox and transmission case, and gearbox, built with power input shaft, shelves gear shaft, reverse gear axle and declutch shift shaft, power input shaft is set with large and small two sliding gears; Shelves gear shaft is provided with one, two, three shifting gears; In transmission case, main drive shaft, the first output shaft and the second output shaft are installed, speed change gear on main drive shaft engages with reverse gear, and the speed change gear on the first output shaft engages with main drive shaft speed change gear, and the normal gear on the second output shaft engages with the first output shaft speed change gear.By adjusting the speed ratio of each group of gear, the output speed of the first output shaft can be made to increase, the rotating speed on the second output shaft is reduced.When for travelling, wheel being arranged on the first output shaft, increasing the speed of a motor vehicle; When for farming, farm implements are provided with on the second output shaft, reduce speed, increase power, therefore the technical program be used for travel and farming all very convenient.
Description
Technical field
The invention belongs to the component technical field of rotary cultivator in farm machinery, relate to a kind of small-size rotary tiller speed changer of double dynamical output shaft.
Background technique
Rotary cultivator conventional at present, the speed changer used is built with power input shaft, power input shaft one end is stretched out outside gearbox, power input shaft is other is provided with grade gear shaft and reverse gear axle, power input shaft, shelves gear shaft and the arrangement triangular in shape of reverse gear axle, first declutch shift shaft and the second declutch shift shaft are installed above power input shaft, power input shaft are movably installed with little sliding gear and large sliding gear, shelves gear shaft is provided with one grade of gear, intermediate gear and three-range transmission, reverse gear axle is provided with reverse gear and continuously-meshing gear, and reverse gear is the speed change gear that composition fixed by the different gear of two diameters, continuously-meshing gear and three-range transmission fixed engagement, first declutch shift shaft is provided with the first shift fork of a grade and reverse gear, second declutch shift shaft is provided with the second shift fork of second gear and third gear, little driving lever on first shift fork inserts in the gap of little sliding gear, large driving lever on second shift fork inserts in the gap of large sliding gear, one end of shift level is stretched in gearbox, termination is between the first shift fork and the plate of the second shift fork, in the lower end of speed changer, main drive shaft and pto＝power take-off are installed, speed change gear on main drive shaft engages with reverse gear, normal gear on pto＝power take-off engages with the speed change gear on main drive shaft.The speed changer of this structure, inside is divided into three-step gear shift, namely the large and small sliding gear on power input shaft carries out one-level speed change when engaging with the shifting gear on shelves gear shaft, carry out two stage speed change when speed change gear on main drive shaft engages with reverse gear, when normal gear engages with the speed change gear on main drive shaft, carry out three-step gear shift.In use, namely the pto＝power take-off of speed changer can be used for travelling by installing wheel, the farm implements such as cultivated power can be installed again for farming.
Because the gearbox of said structure only has three-step gear shift, no matter for farming or when travelling, output speed and the dynamic range of each gear are more fixing, and use most its speed of high tap position still comparatively slow during traveling, power waste is large, oil consumption is high; Use lowest gear during farming, the speed of operator is still difficult to catch up with its forward velocity, and operation uses very inconvenient.
Summary of the invention
Only have three-step gear shift for solving in prior art the gearbox existed, for travelling and speed during farming and dynamic range unreasonable distribution, cause and to use most its speed of high tap position still comparatively slow during traveling, power waste is large, oil consumption is high, lowest gear is used during farming, the speed of operator is still difficult to catch up with its forward velocity, operation uses very inconvenient problem, the invention provides a kind of small-size rotary tiller speed changer of double dynamical output shaft, this speed changer is made up of gearbox and transmission case two-part, transmission case is arranged on below gearbox, gearbox is built with power input shaft, power input shaft one end is stretched out outside gearbox, power input shaft is other is provided with grade gear shaft and reverse gear axle, power input shaft, shelves gear shaft and the arrangement triangular in shape of reverse gear axle, first declutch shift shaft and the second declutch shift shaft are installed above power input shaft, power input shaft is movably installed with little sliding gear and large sliding gear, shelves gear shaft is provided with one grade of gear, intermediate gear and three-range transmission, reverse gear axle is provided with reverse gear and continuously-meshing gear, and reverse gear is the speed change gear that composition fixed by the different gear of two diameters, continuously-meshing gear and three-range transmission fixed engagement, first declutch shift shaft is provided with the first shift fork of a grade and reverse gear, second declutch shift shaft is provided with the second shift fork of second gear and third gear, little driving lever on first shift fork inserts in the gap of little sliding gear, large driving lever on second shift fork inserts in the gap of large sliding gear, one end of shift level is stretched in gearbox, and termination is between the first shift fork and the plate of the second shift fork, in transmission case, main drive shaft, the first output shaft and the second output shaft are installed, main drive shaft is provided with main drive shaft speed change gear, main drive shaft speed change gear engages with reverse gear, first output shaft is provided with the first output shaft speed change gear, first output shaft speed change gear engages with main drive shaft speed change gear, and the second output shaft is provided with the normal gear of the second output shaft, and the normal gear of the second output shaft engages with the first output shaft speed change gear.
Adopt technique scheme, by adjusting the speed ratio of each group of gear, the rotating speed of the output in the rotating ratio prior art on the first output shaft on microtilling machine output shaft can be made to increase, the rotating speed of the output in the rotating ratio prior art on the second output shaft on microtilling machine output shaft is reduced, like this, when the speed changer of microtilling machine is when for travelling, wheel is arranged on the first output shaft, first output shaft is through three-step gear shift, rotating speed is relatively very fast, microtilling machine can obtain travelling speed faster, when speed changer is used for farming, agro-farming equipment is provided with on the second output shaft, second output shaft is through level Four speed change, rotating speed is relatively low, outputting power is large, the speed of operator can catch up with the forward velocity of microtilling machine completely, operator easily can control microtilling machine.
For reducing the volume of transmission case, machine volume is reduced, and can be triangle by the Position Design of three axles in transmission case of the present invention, to reduce transmission case volume.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of embodiment one speed changer.
Fig. 2 is the side direction structural representation of embodiment one speed changer.
Fig. 3 is the cross-sectional view of embodiment two speed changer.
Fig. 4 is the side direction structural representation of embodiment two speed changer.
Embodiment
Embodiment one: as depicted in figs. 1 and 2, a kind of small-size rotary tiller speed changer of double dynamical output shaft, be made up of gearbox 21 and transmission case 26 two-part, transmission case 26 is arranged on below gearbox 21, gearbox 21 is built with power input shaft 10, power input shaft 10 one end is stretched out outside gearbox 21, power input shaft 10 is other is provided with grade gear shaft 11 and reverse gear axle 8, power input shaft 10, shelves gear shaft 11 and reverse gear axle 8 arrangement triangular in shape, first declutch shift shaft 13 and the second declutch shift shaft 14 is installed above power input shaft 10, power input shaft 10 is movably installed with little sliding gear 9 and large sliding gear 24, shelves gear shaft 11 is provided with one grade of gear 15, intermediate gear 17 and three-range transmission 22, reverse gear axle 8 is provided with reverse gear 7 and continuously-meshing gear 25, and reverse gear 7 is the speed change gear that composition fixed by the different gear of two diameters, continuously-meshing gear 25 and three-range transmission 22 fixed engagement, first declutch shift shaft 13 is provided with the first shift fork 16 of a grade and reverse gear, second declutch shift shaft 14 is provided with the second shift fork 20 of second gear and third gear, little driving lever 12 on first shift fork 16 inserts in the gap of little sliding gear 9, large driving lever 23 on second shift fork 20 inserts in the gap of large sliding gear 24, one end of shift level 18 is stretched in gearbox 21, and termination is between the first shift fork 16 and the plate 19 of the second shift fork 20, its feature is: in transmission case 26, main drive shaft 6, first output shaft 4 and the second output shaft 2 are installed, main drive shaft 6 is provided with main drive shaft speed change gear 5, main drive shaft speed change gear 5 engages with reverse gear 7, first output shaft 4 is provided with the first output shaft speed change gear 3, first output shaft speed change gear 3 engages with main drive shaft speed change gear 5, second output shaft 2 is provided with the normal gear 1 of the second output shaft normal gear 1, second output shaft engage with the first output shaft speed change gear 3.
Embodiment two: as shown in Figure 3 and Figure 4, a kind of small-size rotary tiller speed changer of double dynamical output shaft, and its structure is identical with embodiment one, and difference is: main drive shaft 6, first output shaft 4 and the arrangement triangular in shape in transmission case 26 of the second output shaft 2.
Claims (2)
1. the small-size rotary tiller speed changer of double dynamical output shaft, be made up of gearbox (21) and transmission case (26) two-part, transmission case (26) is arranged on gearbox (21) below, gearbox (21) is built with power input shaft (10), gearbox (21) is stretched out outward in power input shaft (10) one end, power input shaft (10) is other is provided with a grade gear shaft (11) and reverse gear axle (8), power input shaft (10), shelves gear shaft (11) and reverse gear axle (8) arrangement triangular in shape, power input shaft (10) top is provided with the first declutch shift shaft (13) and the second declutch shift shaft (14), power input shaft (10) is movably installed with little sliding gear (9) and large sliding gear (24), shelves gear shaft (11) is provided with one grade of gear (15), intermediate gear (17) and three-range transmission (22), reverse gear axle (8) is provided with reverse gear (7) and continuously-meshing gear (25), and reverse gear (7) is the speed change gear that composition fixed by the different gear of two diameters, continuously-meshing gear (25) and three-range transmission (22) fixed engagement, first declutch shift shaft (13) is provided with first shift fork (16) of a grade and reverse gear, second declutch shift shaft (14) is provided with second shift fork (20) of second gear and third gear, little driving lever (12) on first shift fork (16) inserts in the gap of little sliding gear (9), large driving lever (23) on second shift fork (20) inserts in the gap of large sliding gear (24), one end of shift level (18) is stretched in gearbox (21), and termination is positioned between the plate (19) of the first shift fork (16) and the second shift fork (20), its feature is: in transmission case (26), main drive shaft (6) is installed, first output shaft (4) and the second output shaft (2), main drive shaft (6) is provided with main drive shaft speed change gear (5), main drive shaft speed change gear (5) engages with reverse gear (7), first output shaft (4) is provided with the first output shaft speed change gear (3), first output shaft speed change gear (3) engages with main drive shaft speed change gear (5), second output shaft (2) is provided with the normal gear of the second output shaft (1), the normal gear of second output shaft (1) engages with the first output shaft speed change gear (3).
2. the small-size rotary tiller speed changer of double dynamical output shaft as claimed in claim 1, is characterized in that: main drive shaft (6), the first output shaft (4) and the second output shaft (2) arrangement triangular in shape in transmission case (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187093.9A CN103244614B (en) | 2013-05-21 | 2013-05-21 | The small-size rotary tiller speed changer of double dynamical output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187093.9A CN103244614B (en) | 2013-05-21 | 2013-05-21 | The small-size rotary tiller speed changer of double dynamical output shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103244614A CN103244614A (en) | 2013-08-14 |
| CN103244614B true CN103244614B (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310187093.9A Expired - Fee Related CN103244614B (en) | 2013-05-21 | 2013-05-21 | The small-size rotary tiller speed changer of double dynamical output shaft |
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| Country | Link |
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| CN (1) | CN103244614B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279272A (en) * | 2014-10-10 | 2015-01-14 | 沈宇 | Double-shaft double-speed self-propelled agricultural machinery transmission |
| CN108901338A (en) * | 2018-08-16 | 2018-11-30 | 农业部南京农业机械化研究所 | A kind of roller brush type device for picking suitable for castor-oil plant harvest |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187513A (en) * | 1992-01-14 | 1993-07-27 | Kubota Corp | Speed change gear |
| CN101368614A (en) * | 2007-08-14 | 2009-02-18 | 潘伟才 | Speed transmission for rotary tillage machine |
| CN202026574U (en) * | 2011-01-15 | 2011-11-09 | 谭锦法 | Double-speed changing box of rotary cultivator |
| CN102937177A (en) * | 2012-11-02 | 2013-02-20 | 湖南农业大学 | Gearbox with double power output of agricultural machine |
| CN203257995U (en) * | 2013-05-21 | 2013-10-30 | 通海大禹轴承有限公司 | Small-sized rotary cultivator speed changer with double power output shafts |
-
2013
- 2013-05-21 CN CN201310187093.9A patent/CN103244614B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187513A (en) * | 1992-01-14 | 1993-07-27 | Kubota Corp | Speed change gear |
| CN101368614A (en) * | 2007-08-14 | 2009-02-18 | 潘伟才 | Speed transmission for rotary tillage machine |
| CN202026574U (en) * | 2011-01-15 | 2011-11-09 | 谭锦法 | Double-speed changing box of rotary cultivator |
| CN102937177A (en) * | 2012-11-02 | 2013-02-20 | 湖南农业大学 | Gearbox with double power output of agricultural machine |
| CN203257995U (en) * | 2013-05-21 | 2013-10-30 | 通海大禹轴承有限公司 | Small-sized rotary cultivator speed changer with double power output shafts |
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| CN103244614A (en) | 2013-08-14 |
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Granted publication date: 20151118 Termination date: 20210521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |