CN209587062U - A kind of big-power tractor 12F+12R shuttle gear-shifting power train - Google Patents
A kind of big-power tractor 12F+12R shuttle gear-shifting power train Download PDFInfo
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- CN209587062U CN209587062U CN201920046148.7U CN201920046148U CN209587062U CN 209587062 U CN209587062 U CN 209587062U CN 201920046148 U CN201920046148 U CN 201920046148U CN 209587062 U CN209587062 U CN 209587062U
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Abstract
A kind of big-power tractor 12F+12R shuttle gear-shifting power train, comprising: input shaft, output shaft, output gear shaft, jackshaft；It is characterized by: input shaft one end passes through bearing freely-supported on gear box casing, the other end is by bearing freely-supported inside secondary speed change driving gear shaft big end；Jackshaft both ends are by bearing freely-supported on gear box casing, bearing freely-supported is crossed on gear box casing in secondary speed change driving gear shaft both ends, one end of output shaft is by bearing support inside jackshaft big end, the other end is by bearing support on gear box casing, by reasonable gear arrangement, 12F+12R shuttle gear-shifting power train is constituted.The utility model is compact-sized, easy to operate, and the conversion that relatively simple structure realizes 12+12 gear of big-power tractor transmission case can be used, and gear number and VELOCITY DISTRIBUTION are reasonable, safe and reliable, can meet the several work demand of big-power tractor.
Description
Technical field
The utility model belongs to tractor field, is related to a kind of big-power tractor 12F+12R shuttle gear-shifting power train.
Background technique
In the prior art, tractor shuttle gear-shifting power train has existed.Such as: existing a large power wheel is dilatory
Machine, the setting of power train gear is 16F+8R, it may be assumed that 16 forward gears, 8 retreating gears.When carrying out gear shift operation, reverse gear,
High gear and low gear are controlled by same one control lever, and commutation, gear shift operation are very inconvenient, especially from forward gear high gear to retroversion
When keeping off transition, clutch separation is not thorough, and be easy to cause gear failure, influences tractor service life.Gear speed is arranged not
Rationally, the travel speed of 16 forward gears is not orderly increased as gear increases, such as low IV gear is than high I keeps off speed also
Fastly, it is unfavorable for user's selection；Secondly, fall back gear it is few, fall back gear velocity interval span it is big, influence tractor operating efficiency and
Application.
A kind of utility model patent that State Intellectual Property Office authorized on December 12nd, 2012 " power wheel in 12+12 gear
Formula tractor transmission case 201220143098.2 ", the utility model and the application are relatively.The utility model includes: that I axis is total
It is total at, II axle assembly, secondary shift driving shaft assembly, the driven axle assembly of secondary speed change, shuttle-type gear double crosslinking gear shaft and small coning gear shaft
At；Front is arranged in tractor transmission case in I axle assembly of exportable four gears and II axle assembly, and I axle assembly passes through III-IV
Gear engaging sleeve assembly is connect with secondary shift driving shaft assembly, secondary shift driving shaft assembly and shuttle-type gear duplicate gear axis connection；Ⅱ
Axle assembly is connect by balladeur train with the secondary driven axle assembly of speed change, and the secondary driven axle assembly of speed change passes through forward-backward engaging sleeve
Assembly is connect with bevel pinion axle assembly.The utility model can realize the 12+12 of tractor transmission case using less gear
A gear, and velocity interval is wide.
Compared with above-mentioned utility model, distinctive points are the application: the forward-backward engaging sleeve assembly of above-mentioned utility model
It is forward gear to front hanging, hangs backward and reverse gear is transmitted by the driving gear that reverses gear, then transmits driven gear realization of reversing gear and reverse gear.
The application's reverses gear, and is by device (double-planet deceleration mechanism) realization of driving in the wrong direction, the distribution of gear speed is more reasonable, simultaneously
Also more convenient user's operation.
Utility model content
The purpose of this utility model is to provide a kind of advance for facilitating user to realize tractor and retroversion and gear number and
The reasonable Tractor Power Train of VELOCITY DISTRIBUTION.
The technical solution of the utility model is: a kind of big-power tractor 12F+12R shuttle gear-shifting power train, comprising: defeated
Enter axis, II gear driving gear, III gear driving gear, III-IV gear engaging sleeve, secondary speed change driving gear shaft, middle gear driving gear, in
Gear gear engaging sleeve, output shaft, the engaging sleeve that reverses gear, output gear shaft, low gear driven gear, middle gear driven gear, jackshaft, IV gear
Driven gear, III gear driven gear, II gear driven gear, I-II gear engaging sleeve, I gear driven gear, ring gear, planetary gear a,
Planet toothholder internal gear, planetary gear b；Through bearing freely-supported on gear box casing, the other end passes through bearing for input shaft one end
Freely-supported is inside secondary speed change driving gear shaft big end；Jackshaft both ends pass through bearing freely-supported on gear box casing, secondary speed change master
Through bearing freely-supported on gear box casing, one end of output shaft is propped up in jackshaft big end by bearing at movable gear shaft both ends
Portion, the other end are propped up on gear box casing by bearing；Output gear shaft is by engaging sleeve connection of reversing gear by planetary gear a, row
The retrograde device of star gear b, planet toothholder internal gear and ring gear intermeshing composition.
II gear driving gear, III gear driving gear, III-IV gear engaging sleeve are sequentially installed on the input shaft；Wherein,
II gear driving gear and III-IV gear engaging sleeve are connected on input shaft by spline, and III gear driving gear empty set is on input shaft.
Be sequentially installed on the jackshaft I gear driven gear, I-II gear engaging sleeve, II gear driven gear, III gear from
Moving gear, IV gear driven gear；Wherein, I gear driven gear and II gear driven gear empty set are on jackshaft, I-II gear engagement
Set, III gear driven gear and IV gear driven gear are connected on jackshaft by spline.
Middle gear driving gear and middle gear engaging sleeve are sequentially installed on the secondary speed change driving gear shaft；Wherein, middle gear
On secondary speed change driving gear shaft, middle gear engaging sleeve is connected on secondary speed change driving gear shaft driving gear empty set by spline.
Middle gear driven gear, low gear driven gear are sequentially installed on the output shaft；Wherein, middle gear driven gear is logical
It crosses spline to be connected on output shaft, low gear driven gear sky is set on the output shaft.
The utility model can reach following good effect afterwards by adopting the above technical scheme: the utility model is compact-sized, behaviour
Facilitate, the conversion that relatively simple structure realizes 12+12 gear of big-power tractor transmission case, gear number can be used
And VELOCITY DISTRIBUTION is reasonable, and it is safe and reliable, the several work demand of big-power tractor can be met.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of big-power tractor 12F+12R shuttle gear-shifting power train of the utility model；
Fig. 2 is the A-A the schematic diagram of the section structure of Fig. 1.
In figure: 1. I gear driving gears, 2. II gear driving gears, 3. III gear driving gears, 4. III-IV gear engaging sleeves, 5.
Secondary speed change driving gear shaft keeps off driving gear in 6., gear gear engaging sleeve in 7., 8. output shafts, 9. reverses gear engaging sleeve, 10. outputs
Gear shaft, 11. low gear driven gears, that driven gear, 13. jackshafts, 14. IV gear driven gears, 15. III gears are kept off in 12. is driven
Gear, 16. II gear driven gears, 17. I-II gear engaging sleeves, 18. I gear driven gears, 19. ring gears, 20. planetary gear a,
21. planet toothholder internal gear, 22. planetary gear b.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and embodiments.As shown in Figs. 1-2, a kind of high-power
Tractor 12F+12R shuttle gear-shifting power train, comprising: input shaft 1, II keeps off driving gear 2, III and keeps off the gear of driving gear 3, III-IV
Engaging sleeve 4, secondary speed change driving gear shaft 5, middle gear driving gear 6, middle gear keep off engaging sleeve 7, output shaft 8, the engaging sleeve 9 that reverses gear, defeated
Gear shaft 10, low gear driven gear 11, middle gear driven gear 12, jackshaft 13, IV keep off driven gear 14, III and keep off driven gear out
15, II gear driven gear 16, I-II keeps off engaging sleeve 17, I and keeps off driven gear 18, ring gear 19, planetary gear a 20, planet toothholder
Internal gear 21, planetary gear b 22.Wherein, II gear driving gear 2, III gear driving gear 3, III-is sequentially installed on input shaft 1
IV gear engaging sleeve 4；Be sequentially installed on jackshaft 13 I gear driven gear 18, I-II gear engaging sleeve 17, II keep off driven gear 16,
III gear driven gear 15, IV keeps off driven gear 14；Middle gear driving gear 6 is sequentially installed on secondary speed change driving gear shaft 5 in
Keep off engaging sleeve 7；Middle gear driven gear 12, low gear driven gear 11 are sequentially installed on output shaft 8；Planetary gear a 20, planet
Gear b 22, planet toothholder internal gear 21 and the intermeshing of ring gear 19 are formed and are driven in the wrong direction device (double-planet deceleration mechanism), and are passed through
Reverse gear engaging sleeve 9 and output gear shaft 10 couples.
The switching of I gear and II gear may be implemented by I-II gear engaging sleeve 17 on sliding jackshaft 13, it is defeated by sliding
Entering III-IV gear engaging sleeve 4 on axis 1 may be implemented the switching of III gear and IV gear, due to I under secondary speed change high gear, middle gear, low gear
Gear, II gear, III gear and IV gear the transfer route of engine power it is similar, below by taking secondary speed change high gear as an example, illustrate I gear,
The power transfer route of II gear, III gear and IV gear:
High I gear: input shaft 1 → I keeps off driven gear 18 → I-II and keeps off 17 → jackshaft of engaging sleeve 13 → middle gear driven gear
12 → output shaft 8 → reverse gear 9 → output gear shaft of engaging sleeve 10.
High II gear: input shaft 1 → II keeps off driving gear 2 → II and keeps off the gear 17 → jackshaft of engaging sleeve of driven gear 16 → I-II
Reverse gear 13 → 12 → output shafts of middle gear driven gear 8 → 9 → output gear shaft of engaging sleeve 10；
High III gear: input shaft 1 → III-IV keeps off engaging sleeve 4 → III and keeps off the gear 15 → jackshaft of driven gear of driving gear 3 → III
Reverse gear 13 → 12 → output shafts of middle gear driven gear 8 → 9 → output gear shaft of engaging sleeve 10；
High IV gear: the gear of input shaft 1 → III-IV engaging sleeve 4 → gear of pair speed change driving gear shaft 5 → IV driven gear 14 → in
Between axis 13 → 12 → output shaft of middle gear driven gear 8 → reverse gear 9 → output gear shaft of engaging sleeve 10；
I gear of main transformer speed, II gear, III gear and IV may be implemented by gear engaging sleeve 7, middle gear driven gear 12 in sliding and keep off speed
Spend the high, medium and low switching respectively kept off.Due to the switching principle of secondary speed change high gear, middle gear, low gear under I gear, II gear, III gear and IV gear
It is identical, the power transfer route of secondary speed change high gear, middle gear, low gear is only illustrated by taking I gear as an example, as follows:
Low I gear: input shaft 1 → I keeps off driven gear 18 → I-II and keeps off the gear driven gear of 17 → jackshaft of engaging sleeve 13 → IV
14 → pair speed change 5 → low gear of driving gear shaft driven gear, 11 → 12 → output shaft of middle gear driven gear 8 → engaging sleeve 9 that reverses gear →
Output gear shaft 10；
In I gear: input shaft 1 → I keep off driven gear 18 → I-II keep off 17 → jackshaft of engaging sleeve 13 → IV keep off driven gear
14 → secondary speed change 5 → middle 7 → middle 6 → middle gear driven gear of gear driving gear of gear engaging sleeve of driving gear shaft, 12 → output shaft 8 →
Reverse gear 9 → output gear shaft of engaging sleeve 10；
High I gear: input shaft 1 → I keeps off driven gear 18 → I-II and keeps off 17 → jackshaft of engaging sleeve 13 → middle gear driven gear
12 → output shaft 8 → reverse gear 9 → output gear shaft of engaging sleeve 10.
Planetary gear a 20, planetary gear b 22, planet toothholder internal gear 21 and the intermeshing composition of ring gear 19 drive in the wrong direction
Device (double-planet deceleration mechanism), and by reverse gear engaging sleeve 9 and output gear shaft 10 connection come realize fall back gear, power route
Transmitting are as follows: 8 → planetary gear of output shaft a20 → planetary gear b 22 → planet toothholder internal gear 21 → engaging sleeve 9 that reverses gear → defeated
Gear shaft 10 out.
Finally it should be noted that: the above descriptions are merely preferred embodiments of the present invention, is not limited to
The utility model full content, although the utility model is described in detail with reference to the foregoing embodiments, for this field
Technical staff for, formal modification or right can be still carried out to technical solution documented by previous embodiment
Part of technical characteristic is equivalently replaced.All made form modifications within the thinking enlightenment of the utility model, etc.
With replacement etc., should be included within the rights protection scope of the utility model.
Claims (5)
1. a kind of big-power tractor 12F+12R shuttle gear-shifting power train, comprising: input shaft (1), II gear driving gear (2), III
Keep off driving gear (3), III-IV gear engaging sleeve (4), secondary speed change driving gear shaft (5), middle gear driving gear (6), middle gear engaging sleeve
(7), output shaft (8), the engaging sleeve that reverses gear (9), output gear shaft (10), low gear driven gear (11), middle gear driven gear (12),
Jackshaft (13), IV gear driven gear (14), III gear driven gear (15), II gear driven gear (16), I-II gear engaging sleeve
(17), I gear driven gear (18), ring gear (19), planetary gear a (20), planet toothholder internal gear (21), planetary gear b
(22)；It is characterized by: input shaft (1) one end passes through bearing freely-supported on gear box casing, the other end is existed by bearing freely-supported
Inside secondary speed change driving gear shaft (5) big end；Jackshaft (13) both ends pass through bearing freely-supported on gear box casing, secondary speed change master
Through bearing freely-supported on gear box casing, one end of output shaft (8) is propped up by bearing in jackshaft at movable gear shaft (5) both ends
(13) inside big end, the other end is propped up on gear box casing by bearing；Output gear shaft (10) is connected by the engaging sleeve that reverses gear (9)
It connects and is made of the intermeshing of planetary gear a (20), planetary gear b (22), planet toothholder internal gear (21) and ring gear (19)
Retrograde device.
2. a kind of big-power tractor 12F+12R shuttle gear-shifting power train according to claim 1, it is characterised in that: defeated
Enter to be sequentially installed with II gear driving gear (2), III gear driving gear (3), III-IV gear engaging sleeve (4) on axis (1)；Wherein, II gear
Driving gear (2) and III-IV gear engaging sleeve (4) are connected on input shaft (1) by spline, and III gear driving gear (3) passes through axis
Bearing sleeve is on input shaft (1).
3. a kind of big-power tractor 12F+12R shuttle gear-shifting power train according to claim 1, it is characterised in that: institute
Be sequentially installed on the jackshaft (13) stated I gear driven gear (18), I-II gear engaging sleeve (17), II gear driven gear (16),
III gear driven gear (15), IV gear driven gear (14)；Wherein, I gear driven gear (18) and II gear driven gear (16) empty set
On jackshaft (13), I-II gear engaging sleeve (17), III gear driven gear (15) and IV gear driven gear (14) are joined by spline
It connects on jackshaft (13).
4. a kind of big-power tractor 12F+12R shuttle gear-shifting power train according to claim 1, it is characterised in that: institute
Middle gear driving gear (6) and middle gear engaging sleeve (7) are sequentially installed on the secondary speed change driving gear shaft (5) stated；Wherein, middle gear master
Moving gear (6) is mounted on secondary speed change driving gear shaft (5) by bearing holder (housing, cover), and middle gear engaging sleeve (7) is connected to secondary change by spline
On fast driving gear shaft (5).
5. a kind of big-power tractor 12F+12R shuttle gear-shifting power train according to claim 1, it is characterised in that: institute
Middle gear driven gear (12), low gear driven gear (11) are sequentially installed on the output shaft (8) stated；Wherein, middle gear driven gear
(12) it is connected on output shaft (8) by spline, low gear driven gear (11) empty set is on output shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046148.7U CN209587062U (en) | 2019-01-11 | 2019-01-11 | A kind of big-power tractor 12F+12R shuttle gear-shifting power train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046148.7U CN209587062U (en) | 2019-01-11 | 2019-01-11 | A kind of big-power tractor 12F+12R shuttle gear-shifting power train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587062U true CN209587062U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920046148.7U Active CN209587062U (en) | 2019-01-11 | 2019-01-11 | A kind of big-power tractor 12F+12R shuttle gear-shifting power train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175515A (en) * | 2021-06-10 | 2021-07-27 | 温岭市明华齿轮有限公司 | Tractor gearbox |
-
2019
- 2019-01-11 CN CN201920046148.7U patent/CN209587062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175515A (en) * | 2021-06-10 | 2021-07-27 | 温岭市明华齿轮有限公司 | Tractor gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201110 Address after: Jinye 3rd road, Xizhuang Industrial Park, industrial cluster district, Jinping Town, Yiyang County, Luoyang City, Henan Province Patentee after: Luoyang Fengshou fenmeide Agricultural Machinery Equipment Co., Ltd Address before: 471600, Henan County, Luoyang province Yiyang industrial agglomeration West Zhuang Industrial Park Patentee before: LUOYANG HARVEST AGRICULTURAL MACHINERY EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |