CN201723660U - Tractor gear box and wheel tractor with tractor gear box - Google Patents
Tractor gear box and wheel tractor with tractor gear box Download PDFInfo
- Publication number
- CN201723660U CN201723660U CN2010202177380U CN201020217738U CN201723660U CN 201723660 U CN201723660 U CN 201723660U CN 2010202177380 U CN2010202177380 U CN 2010202177380U CN 201020217738 U CN201020217738 U CN 201020217738U CN 201723660 U CN201723660 U CN 201723660U
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- gear
- output
- input shaft
- main transformer
- tractor
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Abstract
The utility model discloses a tractor gear box and a wheel tractor with the gear box. The gear box comprises a main speed-changing part and a seconday speed-changing part. The main speed-changing part comprises a main speed change input shaft, a middle transition shaft and a main speed change output shaft. The seconday speed-changing part comprises an input shaft connected with the main speed change output shaft; a first shift gear, a second shift gear, a third shift gear and a reverse shift gear sleeved on the input shaft sequentially; a first gear-shifting mechanism sleeved on the input shaft and positioned between the first shift gear and the second gear; and a second gear-shifting mechanism sleeved on the input shaft and positioned between the third gear and the reverse gear. Since the seconday speed-changing part is provided with three forward gears and one reverse gear, the rotary speed and power output by the main speed-changing part are further adjusted so as to double the number of the forward gears and increase or decrease the power of the whole gear box; and the adaptability of a tractor is improved.
Description
Technical field
The utility model relates to the tractor technical field, is specifically related to a kind of gear box of tractor and has the wheeled tractor of this gearbox.
Background technique
In recent years, domestic more than 125 horsepowers wheeled tractor development rapidly, 125 horsepowers～180 horsepowers homemade tractors of power section have occupied main status, Domestic market.But there is a common problem in 125 horsepowers～180 horsepowers homemade tractors, and promptly tractor forward gears figure place is on the low side, has correspondingly limited the adaptability of tractor.At present, in domestic each the tame product of this power section, 12 forward gearss in the majority, taking second place is 16 forward gearss, minority is 14 forward gearss.
For another the patent No. is the Chinese utility model patent of " 200820233106.6 ", it discloses a kind of gear box of tractor that comprises main transformer vt space and secondary speed change space, secondary variable part in the gearbox is adjusted the rotating speed of main transformer speed part output further, and retaining engagement seats covering device is reversing gear between driven gear and the low gear gear because shuttle back and forth, front and back straight line by a gear level moves the conversion that just can realize the tractor low gear and retreat retaining, for shift control before and after the tractor provides convenience.Though this kind has the adaptability problem that the gearbox of major and minor variable part has solved tractor to a certain extent, but, its secondary variable part moves back shelves because only having two forward gearss and one, it is on the low side to make that whole gearbox still has the forward gears number, the problem of adaptability deficiency, particularly for powerful wheeled tractor (125 horsepowers～180 horsepowers tractors), gear is few if advance, and adaptability will be poor.And the patent No. is unfavorable for maintenance for the disclosed gearbox main transformer speed of the Chinese utility model patent of " 200820233106.6 " part is arranged in the same casing with secondary variable part.
Therefore, the forward gear number that how to overcome large power wheel tractor is few, the defective of bad adaptability, maintenance inconvenience, has just become present tractor problem demanding prompt solution.
The model utility content
Technical problem to be solved in the utility model provides a kind of gear box of tractor, and the forward gear number that has large power wheel tractor now is few, the problem of bad adaptability mainly to solve.
To achieve these goals, the gear box of tractor that the utility model provides comprises main transformer speed part and secondary variable part, and this main transformer speed part comprises main transformer speed input shaft, middle transition axle and main transformer speed output shaft, and this pair variable part comprises
The input shaft that is connected with this main transformer speed output shaft;
Be set in first shifting gear, second shifting gear, third gear gear and reverse gear position gear on this input shaft in regular turn;
Be set on this input shaft and first gearshift mechanism between this first shifting gear and this second shifting gear;
Be set on this input shaft and second gearshift mechanism between this third gear gear and this reverse gear position gear.
Above-mentioned gear box of tractor, wherein, this main transformer speed part is a main-gear box independently, this pair variable part is an auxiliary transmission independently.
Above-mentioned gear box of tractor, wherein, the output terminal of this main transformer speed output shaft connects a transmission shaft, and this transmission shaft is connected with this input shaft.
Above-mentioned gear box of tractor, wherein, this pair variable part also comprises the back axle output shaft, and this back axle output shaft is provided with the first gear output gear, the second gear output gear, third gear output gear and the reverse gear output gear that meshes respectively with this first shifting gear, second shifting gear, third gear gear and reverse gear position gear.
Above-mentioned gear box of tractor, wherein, this pair variable part also comprises the propons output shaft, the propons output gear that this propons output shaft is provided with the propons gearshift mechanism and meshes with this first gear output gear.
Further, the utility model also provides a kind of wheeled tractor, comprise motor, gearbox, front drive axle and back driving axle, this gearbox comprises main transformer speed part and secondary variable part, this main transformer speed part comprises main transformer speed input shaft, middle transition axle and main transformer speed output shaft, and this pair variable part comprises
The input shaft that is connected with this main transformer speed output shaft;
Be set in first shifting gear, second shifting gear, third gear gear and reverse gear position gear on this input shaft in regular turn;
Be set on this input shaft and first gearshift mechanism between this first shifting gear and this second shifting gear;
Be set on this input shaft and second gearshift mechanism between this third gear gear and this reverse gear position gear.
Above-mentioned wheeled tractor, wherein, this main transformer speed part is a main-gear box independently, this pair variable part is an auxiliary transmission independently.
Above-mentioned wheeled tractor, wherein, the output terminal of this main transformer speed output shaft connects a transmission shaft, and this transmission shaft is connected with this input shaft.
Above-mentioned wheeled tractor, wherein, this pair variable part also comprises the back axle output shaft that is connected with this back driving axle, and this back axle output shaft is provided with the first gear output gear, the second gear output gear, third gear output gear and the reverse gear output gear that meshes respectively with this first shifting gear, second shifting gear, third gear gear and reverse gear position gear.
Above-mentioned wheeled tractor, wherein, this pair variable part also comprises the propons output shaft that is connected with this front drive axle, the propons output gear that this propons output shaft is provided with the propons gearshift mechanism and meshes with this first gear output gear.
Beneficial functional of the present utility model is: the secondary variable part of gear box of tractor has 3 forward gearss and 1 reverse gear, secondary variable part is adjusted rotating speed, the power of the output of main transformer speed part further, make the forward gears number of whole gearbox be multiplied, power amplifies or dwindle, thereby can improve the adaptability of tractor greatly.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the structural drawing of wheeled tractor transmission system of the present utility model;
Fig. 2 is the structural drawing of an embodiment's of the present utility model main-gear box;
Fig. 3 is the structural drawing of auxiliary transmission of the present utility model.
Wherein, reference character
The 10-motor
The 20-gearbox
The 210-main-gear box
211-main transformer speed input shaft
212-middle transition axle
213-main transformer speed output shaft
The 220-auxiliary transmission
The 221-input shaft
222-first shifting gear
223-second shifting gear
224-third gear gear
225-reverse gear position gear
226-first gearshift mechanism
227-second gearshift mechanism
228-back axle output shaft
The 229-first gear output gear
The 2210-second gear output gear
2211-third gear output gear
2212-reverse gear output gear
2213-propons output shaft
2214-propons output gear
2215-propons gearshift mechanism
The 230-transmission shaft
The 30-back driving axle
Embodiment
Below in conjunction with the drawings and specific embodiments technical solutions of the utility model being described in detail, further understanding the purpose of this utility model, scheme and effect, but is not the restriction as the utility model claims protection domain.
As shown in Figure 1, wheeled tractor of the present utility model is primarily aimed at is 125 horsepowers～180 horsepowers large power wheel tractor, it mainly comprises motor 10, gearbox 20, front drive axle (not shown) and back driving axle 30, other parts of motor, front and back ransaxle and wheeled tractor are as well known to those skilled in the art in the present embodiment, no longer specifically describe at this.Below only the structure of gearbox is described in detail:
As shown in Figure 2, gearbox 20 comprises main transformer speed part and secondary variable part, this main transformer speed part is a main-gear box 210 independently, and this pair variable part is an auxiliary transmission 220 independently, mainly is connected by a transmission shaft 230 between main-gear box 210 and the auxiliary transmission 220.Like this, this main-gear box and auxiliary transmission can be distinguished manufacturing separately, and convenient maintenance.
Consult Fig. 2, main-gear box 210 comprises main transformer speed input shaft 211, middle transition axle 212 and main transformer speed output shaft 213.Main transformer speed part can be carried out 7 grades of speed changes in the present embodiment, during actual the use, particularly high-power (125 horsepowers～180 horsepowers) wheeled tractor in use, main-gear box can adopt 7～10 grades of speed changes (that is, having 7～10 forward gearss).This part structure is that the person skilled in art is known, no longer specifically describes at this.
Further, auxiliary transmission 220 also comprises the propons output shaft 2213 that is connected with the front drive axle of tractor, the propons output gear 2214 that this propons output shaft 2213 is provided with propons gearshift mechanism 2215 and meshes with this first gear output gear 229.
The drive path of secondary variable part is:
First grade: make first gearshift mechanism 226 and 222 engagements of first shifting gear, second gearshift mechanism 227 state that mediates, the drive path of this moment is: the main-gear box-input shaft 221-first gearshift mechanism 226 one the first shifting gears 222 one the first gear output gear 229-back axle output shafts 228 export back driving axle to (at this moment, if the words of propons gearshift mechanism 2215 and 229 engagements of the first gear output gear, can also realize propons output shaft 2213 synchronously to front drive axle output, to realize that front and rear wheel drives simultaneously).
Second grade: make first gearshift mechanism 226 and 223 engagements of second shifting gear, second gearshift mechanism 227 state that mediates, the drive path of this moment is: the main-gear box-input shaft 221-first gearshift mechanism 226-second shifting gear 223 one the second gear output gear 2210-back axle output shafts 228 export back driving axle to, with real rear wheel drive.
Third gear: make second gearshift mechanism 227 and 224 engagements of third gear gear, first gearshift mechanism 226 state that mediates, the drive path of this moment is: the main-gear box-input shaft 221-second gearshift mechanism 227-third gear gear 224 1 third gear output gear 2211-back axle output shafts 228 export back driving axle to, with real rear wheel drive.
Retreat shelves: make second gearshift mechanism 227 and 225 engagements of reverse gear position gear, first gearshift mechanism 226 state that mediates, the drive path of this moment is: the main-gear box-input shaft 221-second gearshift mechanism 227-reverse gear position gear 225 1 reverse gear output gear 2212-back axle output shafts 228 export back driving axle to.
Like this, by the cooperative action of main-gear box and auxiliary transmission, make large power wheel tractor have more forward gears, thereby improved the adaptability of large power wheel tractor greatly.As, having at main-gear box under the situation of 7 forward gearss, whole gearbox has 21 forward gearss; Have at main-gear box under the situation of 10 forward gearss, whole gearbox will have 30 forward gearss.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. a gear box of tractor comprises main transformer speed part and secondary variable part, and this main transformer speed part comprises main transformer speed input shaft, middle transition axle and main transformer speed output shaft, and it is characterized in that: this pair variable part comprises
The input shaft that is connected with this main transformer speed output shaft;
Be set in first shifting gear, second shifting gear, third gear gear and reverse gear position gear on this input shaft in regular turn;
Be set on this input shaft and first gearshift mechanism between this first shifting gear and this second shifting gear;
Be set on this input shaft and second gearshift mechanism between this third gear gear and this reverse gear position gear.
2. gear box of tractor according to claim 1 is characterized in that, this main transformer speed part is a main-gear box independently, and this pair variable part is an auxiliary transmission independently.
3. gear box of tractor according to claim 2 is characterized in that, the output terminal of this main transformer speed output shaft connects a transmission shaft, and this transmission shaft is connected with this input shaft.
4. according to claim 1,2 or 3 described gear box of tractor, it is characterized in that, this pair variable part also comprises the back axle output shaft, and this back axle output shaft is provided with the first gear output gear, the second gear output gear, third gear output gear and the reverse gear output gear that meshes respectively with this first shifting gear, second shifting gear, third gear gear and reverse gear position gear.
5. gear box of tractor according to claim 4 is characterized in that, this pair variable part also comprises the propons output shaft, the propons output gear that this propons output shaft is provided with the propons gearshift mechanism and meshes with this first gear output gear.
6. wheeled tractor, comprise motor, gearbox, front drive axle and back driving axle, this gearbox comprises main transformer speed part and secondary variable part, and this main transformer speed part comprises main transformer speed input shaft, middle transition axle and main transformer speed output shaft, and it is characterized in that: this pair variable part comprises
The input shaft that is connected with this main transformer speed output shaft;
Be set in first shifting gear, second shifting gear, third gear gear and reverse gear position gear on this input shaft in regular turn;
Be set on this input shaft and first gearshift mechanism between this first shifting gear and this second shifting gear;
Be set on this input shaft and second gearshift mechanism between this third gear gear and this reverse gear position gear.
7. wheeled tractor according to claim 6 is characterized in that, this main transformer speed part is a main-gear box independently, and this pair variable part is an auxiliary transmission independently.
8. wheeled tractor according to claim 7 is characterized in that, the output terminal of this main transformer speed output shaft connects a transmission shaft, and this transmission shaft is connected with this input shaft.
9. according to claim 6,7 or 8 described wheeled tractors, it is characterized in that, this pair variable part also comprises the back axle output shaft that is connected with this back driving axle, and this back axle output shaft is provided with the first gear output gear, the second gear output gear, third gear output gear and the reverse gear output gear that meshes respectively with this first shifting gear, second shifting gear, third gear gear and reverse gear position gear.
10. wheeled tractor according to claim 9, it is characterized in that, this pair variable part also comprises the propons output shaft that is connected with this front drive axle, the propons output gear that this propons output shaft is provided with the propons gearshift mechanism and meshes with this first gear output gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202177380U CN201723660U (en) | 2010-05-28 | 2010-05-28 | Tractor gear box and wheel tractor with tractor gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202177380U CN201723660U (en) | 2010-05-28 | 2010-05-28 | Tractor gear box and wheel tractor with tractor gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723660U true CN201723660U (en) | 2011-01-26 |
Family
ID=43491985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202177380U Expired - Lifetime CN201723660U (en) | 2010-05-28 | 2010-05-28 | Tractor gear box and wheel tractor with tractor gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606686A (en) * | 2012-03-28 | 2012-07-25 | 浙江长泰机械有限公司 | Transfer case of large tractor |
| CN103291857A (en) * | 2013-06-13 | 2013-09-11 | 广西宜州玉柴农业装备有限公司 | Gearbox of small tractor |
| CN104373561A (en) * | 2014-11-14 | 2015-02-25 | 徐州天擎机电有限公司 | Special gearbox for electric tricycle |
| CN103016688B (en) * | 2012-07-27 | 2016-04-06 | 安徽天乐传动技术发展有限公司 | A kind of coaxial-type mechanical gear box of easy-maintaining |
-
2010
- 2010-05-28 CN CN2010202177380U patent/CN201723660U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606686A (en) * | 2012-03-28 | 2012-07-25 | 浙江长泰机械有限公司 | Transfer case of large tractor |
| CN103016688B (en) * | 2012-07-27 | 2016-04-06 | 安徽天乐传动技术发展有限公司 | A kind of coaxial-type mechanical gear box of easy-maintaining |
| CN103291857A (en) * | 2013-06-13 | 2013-09-11 | 广西宜州玉柴农业装备有限公司 | Gearbox of small tractor |
| CN103291857B (en) * | 2013-06-13 | 2016-03-23 | 广西宜州玉柴农业装备有限公司 | Small tractor gearbox |
| CN104373561A (en) * | 2014-11-14 | 2015-02-25 | 徐州天擎机电有限公司 | Special gearbox for electric tricycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |