CN102269251B - Special gearbox for high-torque energy-saving heavy-load agricultural vehicle - Google Patents
Special gearbox for high-torque energy-saving heavy-load agricultural vehicle Download PDFInfo
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- CN102269251B CN102269251B CN 201110181966 CN201110181966A CN102269251B CN 102269251 B CN102269251 B CN 102269251B CN 201110181966 CN201110181966 CN 201110181966 CN 201110181966 A CN201110181966 A CN 201110181966A CN 102269251 B CN102269251 B CN 102269251B
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Abstract
The invention discloses a special gearbox for a high-torque energy-saving heavy-load agricultural vehicle. The special gearbox comprises a housing, a power-input main shaft, auxiliary shafts and a power-output transmission half-shaft, wherein all stages of change gears are mounted on the power-input main shaft and the first auxiliary shaft, respectively; compound transfer gears which is different in diameters and mounted on the first auxiliary shaft and a transfer gear F mounted on the third auxiliary shaft are linkage gears; small-diameter gears of the compound transfer gears are delivered through the second and third auxiliary shafts, so that the transfer gear on the third auxiliary shaft is engaged with the large-disc gear of a differential mechanism to realize low speed gears; or large-diameter gears of the compound transfer gears are directly engaged with the large-disc gear of the differential mechanism to realize high speed gears; and a speed increasing process of driving small gears by large gears is not present at any gear in the transmission relationship between the power-input main shaft and the power-output transmission half-shaft, so that energy losses caused by repeated switching of rotating speeds can be prevented.
Description
Technical field
The present invention relates to farm truck gear box, particularly relate to a kind of high torque energy-saving heavy-load agricultural vehicle special gear box.
Background technique
At agricultural vehicle single-cylinder diesel-engine tricycle, four-wheel wagon, and the three-range transmission in the gearbox of hand tractor and high-grade gear all exist gearwheel band small gear to satisfy the phenomenon that runs up.That is to say, in transmission process, driving gear is less than driven gear when shelves at a slow speed, and during top gear, driving gear is greater than driven gear.This gearbox occurs first that the large gear turn the small gear when high tap position, after the situation that small gear drives gearwheel appears again.The large gear turn the small gear causes moment of torsion to diminish, and power dwindles, and speed change can cause extra energy loss repeatedly, wastes energy.Include entering spindle and main shaft in the farm truck gear box of heavy load at present, first, second is from axle and jackshaft, adopt two pairs of gears of high bottom gear to be connected between entering spindle and main shaft, a pair of reduction gear is low speed when connecting, a pair of raising speed gear is top gear when connecting, main shaft and first is respectively first, second and third shelves from being provided with three pairs of shifting gears between axle.Second is connected with the jackshaft gearing down from axle.Wherein first grade on main shaft is deceleration, second gear is for slowing down or the speedup driving, third gear is that speedup drives, the process of slowing down after first speedup will appear in such transfer mode when top grade, because speedup consumes moment and energy, speed is inevitable dynamic energy loss in transfer process repeatedly, when having top gear now, gear shaft and the number of gears are too much in addition, frictional force between gear increases, and the power that overcomes gear inertia in the gear transmission process, cause existing heavy-load agricultural vehicle gearbox energy when high speed to consume excessive, be unfavorable for energy-conservation.
Summary of the invention
To the present invention seeks in order addressing the above problem, a kind of high torque energy-saving heavy-load agricultural vehicle special gear box to be provided.
technological scheme of the present invention is: a kind of high torque energy-saving heavy-load agricultural vehicle special gear box, comprise shell, the power entering spindle, from axle, power output jackshaft, its medium power entering spindle and first, second, the 3rd is separately installed with corresponding driving gears at different levels from axle, transfer gear and power that while the 3rd installs from axle are exported the differential mechanism big disc gear coupling engagement that jackshaft is installed, first from axle be equipped with can transverse translation compound transfer gear, this compound transfer gear is composited side by side by the gear B of a larger-diameter gear A and a small diameter, and the transfer gear F that this compound transfer gear and the 3rd is installed from axle is linkage gear in the same way, when first from axle and second during from shaft drive, the major diameter transfer gear C coupling engagement of the gear B of compound gear and second from the axle, when the compound transfer gear of transverse translation makes first to set up drive connection from axle and jackshaft, the 3rd transfer gear F translation of installing from axle and differential mechanism big disc gear disconnect drive connection, thus the gear A of compound gear directly with jackshaft on differential mechanism big disc gear coupling mesh.
All there is not the boosting velocity procedure of gearwheel driving pinion in the power entering spindle to the drive connection between power output jackshaft when any gear.
The minimum driven gear coupling engagement of maximum gear on the power entering spindle and first from the axle, and on main shaft the diameter of maximum gear be not more than first from the axle the diameter of minimum gear.
Described first from axle and second during from shaft drive, the major diameter transfer gear C coupling engagement of the gear B of compound gear and second from the axle, second minor diameter transfer gear D and the 3rd major diameter transfer gear E coupling engagement from the axle from the axle, the 3rd differential mechanism big disc gear coupling that minor diameter transfer gear F and power output jackshaft are installed from the axle meshes.
Beneficial effect of the present invention:
1, utilization of the present invention realizes speed regulating control from the compound transfer gear on axle, it is bottom gear when the gear B of compound transfer gear plays transfer function, it is top gear when the gear A of compound transfer gear plays transfer function, and during top gear the 3rd from the axle the F translation of transfer gear and differential mechanism big disc gear disconnect drive connection, first skips second and third from axle directly drives the differential mechanism big disc gear from axle.It is simple in structure, easily controls, and easily makes or transformation.Each gear distributed uniform, the most high-grade rotating speed be not less than existing heavy-load agricultural vehicle gearbox the most at a high speed.
2, in addition, in whole transmittance process, all there is not the boosting velocity procedure of gearwheel driving pinion in the driven force entering spindle to the drive connection between power output jackshaft when any gear, can prevent that rotating speed from changing repeatedly and the ability loss that causes.And by the appropriate design gear ratio, the most high-grade speed is not less than existing farm truck gear box the most at a high speed, and the speed of lowest gear is not higher than existing farm truck gear box lowest speed.Drive again the repetition transfer process of gearwheel reduction of speed after raising speed that improved gearbox does not exist that the large gear turn the small gear from small gear, so just can avoid the comprehensive energy waste problem because causing in transfer process.
Description of drawings
Fig. 1 is gearbox designs schematic diagram of the present invention;
When Fig. 2 is bottom gear, first from axle and the second drive connection schematic diagram from axle;
The first drive connection schematic diagram from axle and jackshaft when Fig. 3 is top gear.
in figure, the I axle is main shaft, the II axle is first from axle, the III axle is second from axle, the IV axle is the 3rd from axle, V is jackshaft, label 11 is first grade of driving gear, 12 is the second gear driving gear, 13 is the third gear driving gear, 21 is first first grade of driven gear, 22 is the first driven second gear gear, 23 is the first driven third gear gear, 24 are the gearwheel of compound transfer gear (being gear A), 25 are the small gear of compound transfer gear (being gear B), 31 is the second small gear from axle (being gear D), 32 is the second gearwheel from axle (being gear C), 41 is the 3rd gearwheel from axle (being gear E), 42 is the 3rd small gear from axle (being gear F), 5 is the differential mechanism big disc gear, 6 is the reverse-gear part, 7 is gear-box case, 8 is transmission pulley, 9 is power engine.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of high torque energy-saving heavy-load agricultural vehicle special gear box, by bearing, power output main shaft (being the I axle) is installed successively in gear-box case 7, first from axle (being the II axle), second from axle (being the III axle), the 3rd from axle (being the IV axle), power output jackshaft (being the V axle).
Wherein main shaft and first is from being provided with first grade, second gear, third gear speed change gear between axle, the driving gear of each grade all is not more than driven gear, namely on main shaft the driving gear diameter of the most high-grade (third gear) be not more than first from the axle the minimum tooth wheel diameter.
First from axle be equipped with can translation compound transfer gear, this compound transfer gear is composited side by side by the gear B of a larger-diameter gear A and a small diameter.
Described first from axle and second during from shaft drive, and the major diameter transfer gear C coupling engagement of the gear B of its compound gear and second from the axle is bottom gear; Second minor diameter transfer gear D and the 3rd major diameter transfer gear E coupling engagement from the axle from the axle, the 3rd differential mechanism big disc gear coupling that minor diameter transfer gear F and jackshaft are installed from the axle meshes.If first grade of driving gear 11 of main shaft and first is lowest speed during from first grade of driven gear, 21 engagement of axle.
Described first during from axle and jackshaft transmission, and transfer gear F synchronous translational and differential mechanism big disc gear disconnect drive connection, the gear A that makes compound gear directly with jackshaft on the 5 coupling engagements of differential mechanism big disc gear, be top gear at this moment.If the maximum gear 13 of installing on main shaft and first is high speed from the axle during minimum driven gear 23 coupling engagement.
Claims (3)
1. one kind high torque energy-saving heavy-load agricultural vehicle special gear box, comprise shell, the power entering spindle, from axle, power output jackshaft, its medium power entering spindle and first, second, the 3rd is separately installed with corresponding driving gears at different levels from axle, transfer gear and power that while the 3rd installs from axle are exported the differential mechanism big disc gear coupling engagement that jackshaft is installed, it is characterized in that, first from axle be equipped with can transverse translation compound transfer gear, this compound transfer gear is composited side by side by the gear B of a larger-diameter gear A and a small diameter, and this compound transfer gear and the 3rd transfer gear F that installs from axle are linkage gear, when first from axle and second during from shaft drive, the major diameter transfer gear C coupling engagement of the gear B of compound gear and second from the axle, when the compound transfer gear of transverse translation makes first to set up drive connection from axle and jackshaft, the 3rd transfer gear F translation of installing from axle and differential mechanism big disc gear disconnect drive connection, thus the gear A of compound gear directly with jackshaft on differential mechanism big disc gear coupling mesh, all there is not the boosting velocity procedure of gearwheel driving pinion in the power entering spindle to the drive connection between power output jackshaft when any gear.
2. high torque energy-saving heavy-load agricultural vehicle special gear box according to claim 1, it is characterized in that, the minimum driven gear coupling engagement of maximum gear on the power entering spindle and first from the axle, and on main shaft the diameter of maximum gear be not more than first from the axle the diameter of minimum gear.
3. high torque energy-saving heavy-load agricultural vehicle special gear box according to claim 1, it is characterized in that, described first from axle and second during from shaft drive, the major diameter transfer gear C coupling engagement of the gear B of compound gear and second from the axle, second minor diameter transfer gear D and the 3rd major diameter transfer gear E coupling engagement from the axle from the axle, the 3rd differential mechanism big disc gear coupling that minor diameter transfer gear F and power output jackshaft are installed from the axle meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181966 CN102269251B (en) | 2011-06-30 | 2011-06-30 | Special gearbox for high-torque energy-saving heavy-load agricultural vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181966 CN102269251B (en) | 2011-06-30 | 2011-06-30 | Special gearbox for high-torque energy-saving heavy-load agricultural vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102269251A CN102269251A (en) | 2011-12-07 |
| CN102269251B true CN102269251B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110181966 Expired - Fee Related CN102269251B (en) | 2011-06-30 | 2011-06-30 | Special gearbox for high-torque energy-saving heavy-load agricultural vehicle |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413062A (en) * | 2020-11-19 | 2021-02-26 | 江苏巨杰机电有限公司 | Three-wheel gear transmission with multiple gear changes |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004041509A1 (en) * | 2004-08-27 | 2006-03-16 | Zf Friedrichshafen Ag | Automobile multi-speed gearbox, with eight forward and two reverse gears, has three planet wheel sets and six switch units between the drive input and output shafts |
| CN201145007Y (en) * | 2008-01-21 | 2008-11-05 | 李金玉 | Cultivator gear box |
| CN102077742A (en) * | 2010-12-09 | 2011-06-01 | 江苏常发锋陵农业装备有限公司 | Mechanical step transmission for harvester |
| CN202140518U (en) * | 2011-06-30 | 2012-02-08 | 朱超然 | Special gear box for high-torque energy-saving heavy-loading agricultural vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6712731B1 (en) * | 2002-09-13 | 2004-03-30 | General Motors Corporation | Transmission mechanisms with three planetary gear sets |
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2011
- 2011-06-30 CN CN 201110181966 patent/CN102269251B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004041509A1 (en) * | 2004-08-27 | 2006-03-16 | Zf Friedrichshafen Ag | Automobile multi-speed gearbox, with eight forward and two reverse gears, has three planet wheel sets and six switch units between the drive input and output shafts |
| CN201145007Y (en) * | 2008-01-21 | 2008-11-05 | 李金玉 | Cultivator gear box |
| CN102077742A (en) * | 2010-12-09 | 2011-06-01 | 江苏常发锋陵农业装备有限公司 | Mechanical step transmission for harvester |
| CN202140518U (en) * | 2011-06-30 | 2012-02-08 | 朱超然 | Special gear box for high-torque energy-saving heavy-loading agricultural vehicle |
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| Publication number | Publication date |
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| CN102269251A (en) | 2011-12-07 |
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