CN201751630U - Auxiliary gearbox and wheeled tractor comprising same - Google Patents
Auxiliary gearbox and wheeled tractor comprising same Download PDFInfo
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- CN201751630U CN201751630U CN201020226838XU CN201020226838U CN201751630U CN 201751630 U CN201751630 U CN 201751630U CN 201020226838X U CN201020226838X U CN 201020226838XU CN 201020226838 U CN201020226838 U CN 201020226838U CN 201751630 U CN201751630 U CN 201751630U
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Abstract
The utility model discloses an auxiliary gearbox and a wheeled tractor. The wheeled tractor comprises the auxiliary gearbox which comprises an input shaft, a rear driving output shaft and a front driving output shaft, wherein the input shaft is provided with a shift mechanism and a plurality of input gears, the rear driving output shaft is provided with rear axle output gears corresponding to the plurality of input gears in a one-to-one manner, the front driving output shaft is provided with a front axle output gear which is directly meshed with one of the rear axle output gears, an axle housing of a front driving axle or a rear driving axle has a symmetric structure, and the front driving axle or the rear driving axle is provided with a reversing device for changing rotation direction. In the auxiliary gearbox of the wheeled tractor, an idle wheel is omitted, and the front driving axle or the rear driving axle adopts the symmetric input structure with adjustable rotation direction, thus reducing failure rate of the auxiliary gearbox and increasing service life of the tractor under the condition of not affecting the output of the tractor.
Description
Technical field
The utility model relates to the tractor technical field, specifically, relates to the auxiliary transmission on a kind of wheeled tractor.
Background technique
In recent years, the development of China's high-power (130 horsepowers～180 horsepowers) wheeled tractor is rapid, but global reliability still has gap than external product.Wherein, because the auxiliary transmission of wheeled tractor adopts structure as shown in Figure 1 mostly, comprise input shaft 110, rear driving output shaft 120 and front wheel driving output shaft 130, be set with a plurality of input gears 111 on this input shaft 110, have on the rear driving output shaft 120 with input shaft 110 on the corresponding respectively back axle output gear 121 of a plurality of gears 111, front wheel driving output shaft 130 is provided with propons output gear 131, wherein, be connected by an idle pulley 140 between the propons output gear 131 that a wherein back axle output gear 121 on the rear driving output shaft 120 and front wheel driving output shaft 130 is provided with, like this, make the rotation direction identical (seeing the arrow logo among the figure) of rear driving output shaft 120 and front wheel driving output shaft 130.Above-mentioned such auxiliary transmission structure, idle pulley structure wherein is a main fault point, though it has been taked a series of improvement and strengthening measure, the idle pulley rate of fault is still higher, thereby influences the working life of wheeled tractor.
Therefore, be necessary above-mentioned auxiliary transmission structure is further improved in fact, to reduce the rate of fault of auxiliary transmission, the working life of improving wheeled tractor.
The model utility content
Technical problem to be solved in the utility model is the deficiency that adopts the auxiliary transmission of band idle pulley structure to exist at existing wheeled tractor, and a kind of new auxiliary transmission is provided, to reduce the rate of fault of auxiliary transmission, the working life of improving wheeled tractor.
To achieve these goals, the auxiliary transmission that the utility model provides, comprise input shaft, rear driving output shaft and front wheel driving output shaft, this input shaft is provided with gearshift mechanism and a plurality of input gear, this rear driving output shaft is provided with and these a plurality of input gears back axle output gear one to one, this front wheel driving output shaft is provided with the propons output gear, this propons output gear directly with one of them engagements of this a plurality of back axle output gears.
Above-mentioned auxiliary transmission, wherein, this input gear comprises first shifting gear, second shifting gear and reverse gear position gear, and this gearshift mechanism is arranged between this first shifting gear and this second shifting gear, and this reverse gear position gear mesh is answered a reverse gear mechanism.
Above-mentioned auxiliary transmission, wherein, this back axle output gear comprises the first gear output gear, the second gear output gear and the reverse gear output gear that meshes respectively with this first shifting gear, second shifting gear and reverse gear position gear.
Above-mentioned auxiliary transmission, wherein, this input gear comprises first shifting gear, second shifting gear, third gear gear and reverse gear position gear, this gearshift mechanism comprises first gearshift mechanism between this first shifting gear and this second shifting gear, and second gearshift mechanism between this third gear gear and this reverse gear position gear.
Above-mentioned auxiliary transmission, wherein, this back axle output gear comprises 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 auxiliary transmission, wherein, this propons output gear and the engagement of this first gear output gear, and the also corresponding propons gearshift mechanism of this propons 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-gear box and auxiliary transmission, this auxiliary transmission comprises input shaft, drive the rear driving output shaft of this back driving axle and the front wheel driving output shaft of this front drive axle of drive, this input shaft is provided with gearshift mechanism and a plurality of input gear, this rear driving output shaft is provided with and these a plurality of input gears back axle output gear one to one, this front wheel driving output shaft is provided with the propons output gear, this propons output gear directly with one of them engagements of this a plurality of back axle output gears, the axle housing of this front drive axle or this back driving axle is a symplex structure, and this front drive axle or this back driving axle are provided with the reversing arrangement that is used to change rotation direction.
Above-mentioned wheeled tractor, wherein, this reversing arrangement is a bevel-gear sett, this has a primary importance and a second place to the drive bevel gear in the bevel gear relatively to the driven wheel of differential in the bevel gear for this.
Above-mentioned wheeled tractor, wherein, this input gear comprises first shifting gear, second shifting gear and reverse gear position gear, and this gearshift mechanism is arranged between this first shifting gear and this second shifting gear, and this reverse gear position gear mesh is answered a reverse gear mechanism.
Above-mentioned wheeled tractor, wherein, this input gear comprises first shifting gear, second shifting gear, third gear gear and reverse gear position gear, this gearshift mechanism comprises first gearshift mechanism between this first shifting gear and this second shifting gear, and second gearshift mechanism between this third gear gear and this reverse gear position gear.
Beneficial functional of the present utility model is, auxiliary transmission has been save idle pulley, after wheeled tractor adopts auxiliary transmission of the present utility model, front drive axle or back driving axle adopt adjustable rotation direction symmetry input structure, thereby do not influencing under the outbound course situation of tractor, reduce the rate of fault of auxiliary transmission, improved the working life of tractor.
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 representation of the auxiliary transmission of prior art;
Fig. 2 is the drive system structure schematic representation of wheeled tractor of the present utility model
Fig. 3 is the structural representation of the utility model one embodiment's auxiliary transmission;
Fig. 4 is the structural representation of another embodiment's of the utility model auxiliary transmission;
Fig. 5 is ransaxle partial structurtes figure of the present utility model.
Wherein, reference character
The 110-input shaft
111-imports gear
120-rear driving output shaft
121-back axle output gear
130-front wheel driving output shaft
131-propons output gear
The 140-idle pulley
The 30-motor
The 40-gearbox
The 410-main-gear box
The 420-auxiliary transmission
The 421-input shaft
442-first shifting gear
423-second shifting gear
424-third gear gear
425-reverse gear position gear
426-first gearshift mechanism
427-second gearshift mechanism
428-rear driving output shaft
The 429-first gear output gear
The 4210-second gear output gear
4211-third gear output gear
4212-reverse gear output gear
4213-front wheel driving output shaft
4214-propons output gear
4215-propons gearshift mechanism
The 50-power output box
The 60-pto
The 710-front drive axle
The 711-axle housing
The 712-drive bevel gear
The 713-driven wheel of differential
The 720-back driving axle
The 810-front propeller shaft
The 820-rear propeller shaft
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.
Consult Fig. 2, wheeled tractor of the present utility model comprises motor 30, gearbox 40, power output box 50, pto 60 and front drive axle 710, back driving axle 720.Gearbox 40 comprises main-gear box 410 independent of each other and auxiliary transmission 420, is connected to an assembly by an intermediate propeller shaft (not shown) between this main-gear box and the auxiliary transmission 420.Power directly is transferred to the input end of gearbox 40 through motor 30 by clutch, and then, auxiliary transmission 420 is transferred to power on the power output box 50 by pto 60.And, respectively by front propeller shaft 810, rear propeller shaft 820 transmissions, finally move between auxiliary transmission 420 and front drive axle 710 and the back driving axle 720 by front drive axle 710 and back driving axle 720 driving wheel.Because emphasis of the present utility model is on auxiliary transmission, therefore, below auxiliary transmission is described in detail.
Consult Fig. 3, auxiliary transmission 420 structures of the present utility model and prior art structure are distinguished to some extent, and it comprises input shaft 421, rear driving output shaft 428 and front wheel driving output shaft 4213.The input end of this input shaft 421 is connected with the output terminal of the output shaft of main-gear box 410, and be set with first shifting gear 422, second shifting gear 423 and reverse gear position gear 425 on the input shaft 421 in regular turn, be provided with first gearshift mechanism 426 between first shifting gear 422 and second shifting gear 423, this first gearshift mechanism 426 also is sleeved on the input shaft 421; These reverse gear position gear 425 corresponding reverse gear mechanisms 427, this reverse gear mechanism 427 also is sleeved on the input shaft 421.This rear driving output shaft 428 is provided with the first gear output gear 429 that meshes respectively with first shifting gear 422, second shifting gear 423 and reverse gear position gear 425, the second gear output gear 4210, and reverse gear output gear 4212.The propons output gear 4214 that this propons output shaft 4213 is provided with propons gearshift mechanism 4215 and meshes with this first gear output gear 429.
Fig. 4 is another embodiment's of the utility model an auxiliary transmission structural drawing, and in this embodiment, auxiliary transmission 420 comprises input shaft 421, rear driving output shaft 428 and front wheel driving output shaft 4213.The input end of this input shaft 421 is connected with the output terminal of the output shaft of main-gear box 410, and be set with first shifting gear 422, second shifting gear 423, third gear gear 424 and reverse gear position gear 425 on the input shaft 421 in regular turn, be provided with first gearshift mechanism 426 between first shifting gear 422 and second shifting gear 423, this first gearshift mechanism 426 also is sleeved on the input shaft 421; Be provided with second gearshift mechanism 427 between third gear gear 424 and reverse gear position gear 425, this second gearshift mechanism 427 also is sleeved on the input shaft 421.This back axle output shaft 428 is provided with the first gear output gear 429, the second gear output gear 4210, third gear output gear 4211 and the reverse gear output gear 4212 that meshes respectively with first shifting gear 422, second shifting gear 423, third gear gear 424 and reverse gear position gear 425.The propons output gear 4214 that this propons output shaft 4213 is provided with propons gearshift mechanism 4215 and meshes with this first gear output gear 429.
From two top embodiments as can be seen, save idle pulley in the auxiliary transmission, like this, avoided the idle pulley failure problems.Though, only provided two embodiments' auxiliary transmission structure in this, not as limitation, should all belong to protection category of the present utility model in the practical application so long as save the auxiliary transmission of idle pulley structure.
In addition, consider the effect of the change rotation direction of original idle pulley, the axle housing 711 of front drive axle 710 of the present utility model adopts symplex structure, and front drive axle 710 adopts adjustable rotation direction structure, promptly, front drive axle is provided with a pair of intermeshing bevel gear 712,713, as shown in Figure 5, but driven wheel of differential 713 relative drive bevel gear 712 have two mounting points, the driven wheel of differential 713 that provides among the figure is arranged on the right side of drive bevel gear 712, when needs changed rotation direction, the left side that driven wheel of differential 713 is arranged on drive bevel gear 712 got final product.Only provided the embodiment that front drive axle adopts adjustable rotation direction symplex structure among Fig. 5, in actual using process, back driving axle also can adopt adjustable rotation direction symplex structure.By such setting, can guarantee under the situation of the output that does not influence tractor, reduce the rate of fault of auxiliary transmission, improve the working life of tractor.
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. auxiliary transmission, comprise input shaft, rear driving output shaft and front wheel driving output shaft, this input shaft is provided with gearshift mechanism and a plurality of input gear, this rear driving output shaft is provided with and these a plurality of input gears back axle output gear one to one, this front wheel driving output shaft is provided with the propons output gear, it is characterized in that: this propons output gear directly with one of them engagements of this a plurality of back axle output gears.
2. auxiliary transmission according to claim 1, it is characterized in that, this input gear comprises first shifting gear, second shifting gear and reverse gear position gear, and this gearshift mechanism is arranged between this first shifting gear and this second shifting gear, and this reverse gear position gear mesh is answered a reverse gear mechanism.
3. auxiliary transmission according to claim 2, it is characterized in that this back axle output gear comprises the first gear output gear, the second gear output gear and the reverse gear output gear that meshes respectively with this first shifting gear, second shifting gear and reverse gear position gear.
4. auxiliary transmission according to claim 1, it is characterized in that, this input gear comprises first shifting gear, second shifting gear, third gear gear and reverse gear position gear, this gearshift mechanism comprises first gearshift mechanism between this first shifting gear and this second shifting gear, and second gearshift mechanism between this third gear gear and this reverse gear position gear.
5. auxiliary transmission according to claim 4, it is characterized in that this back axle output gear comprises 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.
6. according to claim 3 or 5 described auxiliary transmissions, it is characterized in that this propons output gear and the engagement of this first gear output gear, and the also corresponding propons gearshift mechanism of this propons output gear.
7. wheeled tractor, comprise motor, gearbox, front drive axle and back driving axle, this gearbox comprises main-gear box and auxiliary transmission, this auxiliary transmission comprises input shaft, drive the rear driving output shaft of this back driving axle and the front wheel driving output shaft of this front drive axle of drive, this input shaft is provided with gearshift mechanism and a plurality of input gear, this rear driving output shaft is provided with and these a plurality of input gears back axle output gear one to one, this front wheel driving output shaft is provided with the propons output gear, it is characterized in that: this propons output gear directly with one of them engagements of this a plurality of back axle output gears, the axle housing of this front drive axle or this back driving axle is a symplex structure, and this front drive axle is or/and this back driving axle is provided with the reversing arrangement that is used to change rotation direction.
8. wheeled tractor according to claim 7 is characterized in that, this reversing arrangement is a bevel-gear sett, and this has a primary importance and a second place to the drive bevel gear in the bevel gear relatively to the driven wheel of differential in the bevel gear for this.
9. according to claim 7 or 8 described wheeled tractors, it is characterized in that, this input gear comprises first shifting gear, second shifting gear and reverse gear position gear, and this gearshift mechanism is arranged between this first shifting gear and this second shifting gear, and this reverse gear position gear mesh is answered a reverse gear mechanism.
10. according to claim 7 or 8 described wheeled tractors, it is characterized in that, this input gear comprises first shifting gear, second shifting gear, third gear gear and reverse gear position gear, this gearshift mechanism comprises first gearshift mechanism between this first shifting gear and this second shifting gear, and second gearshift mechanism between this third gear gear and this reverse gear position gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020226838XU CN201751630U (en) | 2010-06-08 | 2010-06-08 | Auxiliary gearbox and wheeled tractor comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020226838XU CN201751630U (en) | 2010-06-08 | 2010-06-08 | Auxiliary gearbox and wheeled tractor comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201751630U true CN201751630U (en) | 2011-02-23 |
Family
ID=43602037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020226838XU Expired - Lifetime CN201751630U (en) | 2010-06-08 | 2010-06-08 | Auxiliary gearbox and wheeled tractor comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201751630U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322517A (en) * | 2011-10-08 | 2012-01-18 | 徐州凯尔机械有限公司 | Shift drive device provided with slow-down output PTO (Power Take-off) for gear box of tractor |
| CN105202125A (en) * | 2014-06-16 | 2015-12-30 | 广州汽车集团股份有限公司 | Six-gear manual transmission of vehicle |
| CN106090145A (en) * | 2016-08-04 | 2016-11-09 | 四川川龙拖拉机制造有限公司 | A kind of hillside tractor gearshift |
-
2010
- 2010-06-08 CN CN201020226838XU patent/CN201751630U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322517A (en) * | 2011-10-08 | 2012-01-18 | 徐州凯尔机械有限公司 | Shift drive device provided with slow-down output PTO (Power Take-off) for gear box of tractor |
| CN102322517B (en) * | 2011-10-08 | 2014-09-10 | 徐州凯尔农业装备股份有限公司 | Shift drive device provided with slow-down output PTO (Power Take-off) for gear box of tractor |
| CN105202125A (en) * | 2014-06-16 | 2015-12-30 | 广州汽车集团股份有限公司 | Six-gear manual transmission of vehicle |
| CN106090145A (en) * | 2016-08-04 | 2016-11-09 | 四川川龙拖拉机制造有限公司 | A kind of hillside tractor gearshift |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110223 |