CN204878649U - Wheeled tractor's gearbox - Google Patents
Wheeled tractor's gearbox Download PDFInfo
- Publication number
- CN204878649U CN204878649U CN201520427912.7U CN201520427912U CN204878649U CN 204878649 U CN204878649 U CN 204878649U CN 201520427912 U CN201520427912 U CN 201520427912U CN 204878649 U CN204878649 U CN 204878649U
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- China
- Prior art keywords
- tooth
- gear
- fluted disc
- shaft
- driving
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003971 tillage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Structure Of Transmissions (AREA)
Abstract
The utility model relates to a wheeled tractor's gearbox, including power input shaft, jackshaft and power take off mechanism, power take off mechanism includes preceding actuating mechanism and back actuating mechanism, preceding actuating mechanism includes forerunner's moving axis III of being connected through gear train and jackshaft transmission, back actuating mechanism includes a rear drive shaft IV of being connected through gear train and jackshaft transmission, the utility model discloses a synchronous drive of slowing down that sets up front axle, back axle in same gearbox is exported, has not only reduced the wheel base of tractor, has improved the stability of tractor operation, also makes the structure of gearbox compacter, has reduced manufacturing cost.
Description
Technical field
The utility model relates to a kind of speed reducer, particularly a kind of gearbox of wheeled tractor.
Background technique
For being driven by tractor and drawing and the disposable ploughing machine completing subsoiling rotary tillage and the multi-mode operation such as whole, require that its gearbox must possess larger output torque, particularly for the area that arable land situation is poor, require higher to the size of gearbox output torque and the way of output.
Existing scarification equipment, it is generally two-wheel drive, the output torque of its gearbox is less, for the area that farmland environment is poor, the ploughing machine of two-wheel drive is more difficult meets job requirements, its farming wide cut, tilth are all less, and simultaneously traditional gearbox shift gear figure place is less, are difficult to adapt to the demand of complex area to different tractive force and travelling speed.
And traditional tractor four-wheel drive drives a front gear box to realize four-wheel drive output mainly through rear transmission gear box, complex structure, be unfavorable for the shortening of wheelbase, and transmission efficiency is also lower.
Therefore, need the gearbox of the primary tillage equipment to existing tractor-drawn to improve, to change its Power output mode and to increase its output torque.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of gearbox, and it makes dilatory function select two-wheel drive or four-wheel to drive simultaneously, thus meets the walking requirement of tractor under different road surface, it has multiple output gear, to ensure that output torque meets arable land requirement simultaneously.
The utility model solves the technological scheme that its technical problem adopts:
A kind of gearbox of wheeled tractor, comprise power input shaft, jack shaft and power take-off mechanism, described power take-off mechanism comprises front driving mechanism and rear drive mechanism, described front driving mechanism comprises a drive axle be in transmission connection by gear train and jack shaft, and described rear drive mechanism comprises a rear drive shaft be in transmission connection by gear train and jack shaft.
As further innovation of the present utility model,
Described jack shaft is disposed with step tooth B1, driving gear B2, driving gear B3, step tooth B4, reverse gear driving gear B5, above-mentioned tooth all coordinates formation to be slidably connected with the keyway of jack shaft;
Described drive axle comprises a double plate tooth C1, reverse gear tooth C2, above-mentioned tooth all coordinates formation to be slidably connected with the keyway of drive axle;
Described rear drive shaft comprises passive tooth D1, auxiliary drive tooth D2, described passive tooth D1 and rear drive shaft are rotationally connected, and auxiliary drive tooth D2 is coordinated by keyway and forms be slidably connected with rear drive shaft;
Wherein the large fluted disc B1-1 of step tooth B1 engages with the driving gear A1 of power input shaft, the small tooth plate B1-2 of step tooth B1 engages with the driving fluted disc D1-1 of the passive tooth D1 of rear drive shaft, small tooth plate B1-2 also engages with the slide teeth A2 on power input shaft simultaneously, described driving gear B2 be used for topping bar with the power input shaft large fluted disc A3-1 of tooth A3 engages, driving gear B3 be used for topping bar with the power input shaft small tooth plate A3-2 of tooth A3 engages, the large fluted disc B4-1 of step tooth B4 is used for engaging with the driving gear A4 of power input shaft, the small tooth plate B4-2 of step tooth B4 is used for engaging with the driving gear A5 of power input shaft,
One of them fluted disc of double plate tooth C1 C1-1 is used for engage with driving gear B2, another fluted disc of double plate tooth C1 C1-2 for engaging with the driving fluted disc D2-1 of auxiliary drive tooth D2, described in the tooth C2 that reverses gear engage with the driving gear B5 that reverses gear when reversing gear;
Wherein passive tooth D1 also comprises a clutch wheel D1-2, and described driving fluted disc D2 comprises a pinboard D2-2, and during described pinboard D2-2 and clutch wheel D1-2 combination, the driving fluted disc D1-1 of passive tooth D1 and rear drive shaft are coaxially fixed.
As further innovation of the present utility model, described clutch wheel D1-2 comprises the raised tooth that some annular arrays are arranged, on described pinboard D2-2, annular array is provided with some tooth engaged corresponding with raised tooth, by the combination of raised tooth and tooth engaged, passive tooth D1 is fixed on rear drive shaft by driving fluted disc D2.
The beneficial effects of the utility model are:
1, the utility model arranges the synchronous deceleration output of front axle, rear axle shaft in same gearbox by one, not only reduce the wheelbase of tractor, improve the stability that tractor runs, also make the structure of gearbox compacter, reduce manufacture cost.
2, the utility model is by adding III axle and IV axle at the gearbox of traditional cross-compound arrangement, and before and after realizing, the separation of power exports, and extended axis structure adds the variable gear figure place of gearbox simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural drawing A of the present utility model.
Fig. 2 is structural drawing B of the present utility model.
Fig. 3 is the schematic diagram of gearbox designs in prior art.
In figure: I is power input shaft, II is jack shaft, and III is drive axle, and IV is rear drive shaft.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows for the formation relevant with the utility model.
As shown in Figure 3, for one biaxial variable-speed draw box mechanism of the prior art, it mainly comprises a power input shaft I and centre II axle, wherein power input shaft I is in transmission connection by gear teeth wheels and jack shaft II, the end of power input shaft I is connected with the power input mechanism of trailing wheel, and jack shaft II connects front gear box by a transmission shaft simultaneously, and the deceleration realizing front-wheel increases turns round driving, extra front gear box weight is large, and adds manufacture cost and structure complexity.
As depicted in figs. 1 and 2, be four shaft gearboxes in the utility model:
Comprise power input shaft I, jack shaft II and power take-off mechanism, described power take-off mechanism comprises front driving mechanism and rear drive mechanism, described front driving mechanism comprises a drive axle III be in transmission connection by gear train and jack shaft II, and described rear drive mechanism comprises a rear drive shaft IV be in transmission connection by gear train and jack shaft II.
Power input shaft I is disposed with driving gear A1, slide teeth A2, step tooth A3, driving gear A4, driving gear A5;
Described jack shaft II is disposed with step tooth B1, driving gear B2, driving gear B3, step tooth B4, reverse gear driving gear B5, above-mentioned tooth is all coordinated by keyway with jack shaft II and is slidably connected;
Described drive axle III comprises a double plate tooth C1, reverse gear tooth C2, above-mentioned tooth is all coordinated by keyway with drive axle III and is slidably connected;
Described rear drive shaft IV comprises passive tooth D1, auxiliary drive tooth D2, described passive tooth D1 and rear drive shaft IV to be rotationally connected, auxiliary drive tooth D2 is coordinated by keyway and rear drive shaft IV is slidably connected;
Wherein the large fluted disc B1-1 of step tooth B1 is used for engaging with the driving gear A1 of power input shaft I, the small tooth plate B1-2 of step tooth B1 is used for engaging with the driving fluted disc D1-1 of the passive tooth D1 of rear drive shaft IV, small tooth plate B1-2 is also for engaging with the slide teeth A2 on power input shaft I simultaneously, described driving gear B2 be used for topping bar with the power input shaft I large fluted disc A3-1 of tooth A3 engages, driving gear B3 be used for topping bar with the power input shaft I small tooth plate A3-2 of tooth A3 engages, the large fluted disc B4-1 of step tooth B4 is used for engaging with the driving gear A4 of power input shaft, the small tooth plate B4-2 of step tooth B4 is used for engaging with the driving gear A5 of power input shaft I,
One of them fluted disc of double plate tooth C1 C1-1 is used for engage with driving gear B2, another fluted disc of double plate tooth C1 C1-2 for engaging with the driving fluted disc D2-1 of auxiliary drive tooth D2, described in the tooth C2 that reverses gear engage with the driving gear B5 that reverses gear when reversing gear;
Wherein passive tooth D1 also comprises a clutch wheel D1-2, and described driving fluted disc D2 comprises a pinboard D2-2, and during described pinboard D2-2 and clutch wheel D1-2 combination, driving fluted disc D1-1 and the rear drive shaft IV of passive tooth D1 are coaxially fixed.
Drive axle III instead of the front drive transfer case of traditional tractor drive mechanism, and rear drive shaft IV, by a direct-connected front drive axle of output shaft, makes structure compacter, saved manufacture cost.
Rear drive shaft IV of the present utility model is that rear PTO exports, conventional gearbox realizes by power input shaft I, the layout quantity of gear is subject to the idle of power input shaft I, and the gear number of PTO is less, and the rear drive shaft IV of absolute construction can realize the PTO of more multiple speed.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this model utility technological thought, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. the gearbox of a wheeled tractor, comprise power input shaft, jack shaft and power take-off mechanism, it is characterized in that: described power take-off mechanism comprises front driving mechanism and rear drive mechanism, described front driving mechanism comprises a drive axle be in transmission connection by gear train and jack shaft, and described rear drive mechanism comprises a rear drive shaft be in transmission connection by gear train and jack shaft.
2. the gearbox of a kind of wheeled tractor as claimed in claim 1, is characterized in that:
Described jack shaft is disposed with step tooth (B1), driving gear (B2), driving gear (B3), step tooth (B4), the driving gear that reverses gear (B5), above-mentioned tooth all coordinates formation to be slidably connected with jack shaft by keyway;
Described drive axle comprises a double plate tooth (C1), the tooth that reverses gear (C2), above-mentioned tooth all coordinates formation to be slidably connected with drive axle by keyway;
Described rear drive shaft comprises passive tooth (D1), auxiliary drive tooth (D2), described passive tooth (D1) and rear drive shaft are rotationally connected, and auxiliary drive tooth (D2) coordinates to form with rear drive shaft by keyway and is slidably connected;
Wherein the large fluted disc (B1-1) of step tooth (B1) is for engaging with the driving gear (A1) of power input shaft, the small tooth plate (B1-2) of step tooth (B1) engages for the driving fluted disc (D1-1) of the passive tooth (D1) with rear drive shaft, small tooth plate (B1-2) is also for engaging with the slide teeth (A2) on power input shaft simultaneously, described driving gear (B2) is for engaging with the top bar large fluted disc (A3-1) of tooth (A3) of power input shaft, driving gear (B3) is for engaging with the top bar small tooth plate (A3-2) of tooth (A3) of power input shaft, the large fluted disc (B4-1) of step tooth (B4) is for engaging with the driving gear (A4) of power input shaft, the small tooth plate (B4-2) of step tooth (B4) is for engaging with the driving gear (A5) of power input shaft,
Double plate tooth (C1) one of them fluted disc (C1-1) is for engaging with driving gear B2, double plate tooth (C1) another fluted disc (C1-2) for engaging with the driving fluted disc (D2-1) of auxiliary drive tooth (D2), described in the tooth (C2) that reverses gear engage with the driving gear B5 that reverses gear when reversing gear;
Wherein passive tooth (D1) also comprises a clutch wheel (D1-2), described driving fluted disc (D2) comprises a pinboard (D2-2), when described pinboard (D2-2) and clutch wheel (D1-2) combine, driving fluted disc (D1-1) and the rear drive shaft of passive tooth (D1) are coaxially fixed.
3. the gearbox of a kind of wheeled tractor as claimed in claim 2, it is characterized in that: described clutch wheel (D1-2) comprises the raised tooth that some annular arrays are arranged, the upper annular array of described pinboard (D2-2) is provided with some tooth engaged corresponding with raised tooth, by the combination of raised tooth and tooth engaged, passive tooth (D1) is fixed on rear drive shaft by driving fluted disc (D2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520427912.7U CN204878649U (en) | 2015-06-21 | 2015-06-21 | Wheeled tractor's gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520427912.7U CN204878649U (en) | 2015-06-21 | 2015-06-21 | Wheeled tractor's gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878649U true CN204878649U (en) | 2015-12-16 |
Family
ID=54823024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520427912.7U Expired - Fee Related CN204878649U (en) | 2015-06-21 | 2015-06-21 | Wheeled tractor's gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042043A (en) * | 2015-06-21 | 2015-11-11 | 马恒达悦达（盐城）拖拉机有限公司 | Gearbox of wheel type tractor |
-
2015
- 2015-06-21 CN CN201520427912.7U patent/CN204878649U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042043A (en) * | 2015-06-21 | 2015-11-11 | 马恒达悦达（盐城）拖拉机有限公司 | Gearbox of wheel type tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 224007 Nenjiang Road, Yancheng Economic Development Zone, Yancheng City, Jiangsu 9 Co-patentee after: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Patentee after: JIANGSU YUEDA INTELLIGENT AGRICULTURAL EQUIPMENT CO.,LTD. Address before: 224007 Nenjiang Road, Yancheng Economic Development Zone, Yancheng City, Jiangsu 9 Co-patentee before: YANCHENG INSTITUTE OF INDUSTRY TECHNOLOGY Patentee before: MAHINDRA YUEDA (YANCHENG) TRACTOR Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |