CN2921443Y - Front driving bottom output device for small tractor - Google Patents
Front driving bottom output device for small tractor Download PDFInfo
- Publication number
- CN2921443Y CN2921443Y CN 200620086027 CN200620086027U CN2921443Y CN 2921443 Y CN2921443 Y CN 2921443Y CN 200620086027 CN200620086027 CN 200620086027 CN 200620086027 U CN200620086027 U CN 200620086027U CN 2921443 Y CN2921443 Y CN 2921443Y
- Authority
- CN
- China
- Prior art keywords
- gear
- front wheel
- wheel driving
- front driving
- shaft
- Prior art date
- 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 - Lifetime
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- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a front driving bottom output device for small tractor comprising an original gear box, inside the inner cavity of which a large decelerating gear shaft is fastened, leaning against the box body. A large decelerating shaft is fastend on the large decelerating gear shaft. The utility model is characterized that a front driving gear box is arranged and integrated with the original gear box into a whole body. In the inner cavity of the pre-drive gear box, a front driving shaft is arranged, leaning against the gear box. A sliding gear and an active taper gear are arranged and fastened respectively on the front driving shaft. The sliding gear joggles with the large decelerating gear through the dialing of the dial fork, which runs through the front driving gear-box and sticks out. The active taper gear joggles with the negative taper gear, which is fastened onto the front driving shaft, which runs through the front driving gear box and sticks out. The front driving bottom output device for small tractor is simple in structure, with prolonged life span and optimized function of the whole equipment of the small tractor.
Description
Technical field
The utility model relates to output unit at the bottom of a kind of front wheel driving of microtractor.
Background technique
In order to adapt to the operation of mountain area, rolling country and husky mud ground, the microtractor that has driven before and after having released on the market.The microtractor that this front and back drive, the power output of its front wheel driving have side output and two kinds of structural types of end output.Side output is five left end outputs from gearbox, and its drawback is to be subjected to force unbalance easily to cause off-axis because of five, and working life is short.End output is the power that is transmitted from the big retarding gear acquisition of gearbox, outputting power after the two-stage transmission of power, and the transmission shaft of first order transmission is mounted on the supporting frame of front wheel driving gearbox top, supporting frame must enter former gearbox inside just can make first order driving gear and big retarding gear engagement, its drawback is: 1, owing to the space of former gearbox is limit, this supporting frame is not only narrow but also thin, and front wheel driving torsion when operation is very big, the power that acts on the supporting frame is just very big, thereby cause the supporting frame easy-rupturing, working life is short; 2, be the two-stage transmission of power owing to what adopt, so the complex structure that makes front wheel driving.
Summary of the invention
The purpose of this utility model provides output unit at the bottom of a kind of front wheel driving of microtractor of simple in structure, long service life.
In order to realize above-mentioned purpose, output unit at the bottom of the front wheel driving of the microtractor that is provided, comprise former gearbox casing, the big retarding gear shaft that is supported on this casing is housed in the inner chamber of former gearbox casing, the intrinsic big retarding gear of cover on the big retarding gear shaft, its structural feature is also to be provided with the front wheel driving gearbox casing that is connected as a single entity with former gearbox casing, the front wheel driving transmission shaft that is supported on this casing is housed in the inner chamber of front wheel driving gearbox casing, be set with sliding gear and the intrinsic active cone gear of cover on the front wheel driving transmission shaft, sliding gear under the stirring of shift fork can with the big retarding gear engagement, it is overhanging that shift fork passes the front wheel driving gearbox casing, initiatively cone gear and driven bevel gear engagement, driven bevel gear is fixed on the front wheel driving output shaft, and it is overhanging that the front wheel driving output shaft passes the front wheel driving gearbox casing.
During front wheel driving, stir shift fork, make sliding gear and big retarding gear engagement, power is passed through big retarding gear shaft, big retarding gear, sliding gear, front wheel driving transmission shaft, active cone gear, driven bevel gear, front wheel driving output shaft successively, be delivered to propons, realize front wheel driving.
Output unit at the bottom of the front wheel driving of microtractor provided by the utility model, its beneficial effect is: 1, the two-stage transmission of power with output at the bottom of the former front wheel driving becomes the one-level transmission of power, simplifies the structure, and has reduced cost of production; 2, removed the supporting frame of easy-rupturing, made the long service life of output unit at the bottom of the front wheel driving; 3, optimize the complete machine performance of microtractor, satisfied the needs of farm work better.
Description of drawings
Embodiment of the present utility model is illustrated in conjunction with the accompanying drawings, wherein:
Fig. 1 is the structural representation of output unit at the bottom of the front wheel driving of described 1 microtractor of embodiment;
Fig. 2 is the annexation schematic representation of output unit and former gearbox at the bottom of the front wheel driving of microtractor.
Among the figure: 1 is former gearbox casing, and 2 are the front wheel driving gearbox casing, and 3 are the front wheel driving output shaft, and 4 are the front wheel driving transmission shaft, and 5 is driven bevel gear, and 6 is sliding gear, and 7 is shift fork, and 8 is the active cone gear, and 9 is the big retarding gear shaft, and 10 is the big retarding gear.
Embodiment
With reference to accompanying drawing, output unit at the bottom of the front wheel driving of the described microtractor of embodiment, comprise former gearbox casing 1, in the inner chamber of former gearbox casing 1, be equipped with by the big retarding gear shaft 9 of bearings on this casing, the intrinsic big retarding gear 10 of cover on the big retarding gear shaft 9, its structural feature is also to be provided with the front wheel driving gearbox casing 2 that is connected as a single entity with former gearbox casing 1, the front wheel driving transmission shaft 4 that is supported on this casing is housed in the inner chamber of front wheel driving gearbox casing 2, be set with sliding gear 6 and the intrinsic active cone gear 8 of cover on the front wheel driving transmission shaft 4, sliding gear 6 can mesh with big retarding gear 10 under the stirring of shift fork 7, it is overhanging that shift fork 7 passes front wheel driving gearbox casing 2, initiatively cone gear 8 meshes with driven bevel gear 5, driven bevel gear 5 is fixed on the front wheel driving output shaft 3, and it is overhanging that front wheel driving output shaft 3 passes front wheel driving gearbox casing 2, and by bearings on front wheel driving gearbox casing 2.
Claims (1)
1, output unit at the bottom of a kind of front wheel driving of microtractor, comprise former gearbox casing (1), the big retarding gear shaft (9) that is supported on this casing is housed in the inner chamber of former gearbox casing (1), big retarding gear shaft (9) is gone up cover intrinsic big retarding gear (10), it is characterized in that also being provided with the front wheel driving gearbox casing (2) that is connected as a single entity with former gearbox casing (1), the front wheel driving transmission shaft (4) that is supported on this casing is housed in the inner chamber of front wheel driving gearbox casing (2), be set with sliding gear (6) and cover intrinsic active cone gear (8) on the front wheel driving transmission shaft (4), sliding gear (6) can mesh with big retarding gear (10) under the stirring of shift fork (7), it is overhanging that shift fork (7) passes front wheel driving gearbox casing (2), initiatively cone gear (8) meshes with driven bevel gear (5), driven bevel gear (5) is fixed on the front wheel driving output shaft (3), and it is overhanging that front wheel driving output shaft (3) passes front wheel driving gearbox casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620086027 CN2921443Y (en) | 2006-06-21 | 2006-06-21 | Front driving bottom output device for small tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620086027 CN2921443Y (en) | 2006-06-21 | 2006-06-21 | Front driving bottom output device for small tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2921443Y true CN2921443Y (en) | 2007-07-11 |
Family
ID=38253922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620086027 Expired - Lifetime CN2921443Y (en) | 2006-06-21 | 2006-06-21 | Front driving bottom output device for small tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2921443Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384219A (en) * | 2011-06-09 | 2012-03-21 | 汪大汪 | Rear output bevel gear transmission mechanism for tractor gearbox |
| CN102705454A (en) * | 2012-06-11 | 2012-10-03 | 常州飞天齿轮有限公司 | Speed changing box |
-
2006
- 2006-06-21 CN CN 200620086027 patent/CN2921443Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384219A (en) * | 2011-06-09 | 2012-03-21 | 汪大汪 | Rear output bevel gear transmission mechanism for tractor gearbox |
| CN102705454A (en) * | 2012-06-11 | 2012-10-03 | 常州飞天齿轮有限公司 | Speed changing box |
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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: 20070711 |
|
| EXPY | Termination of patent right or utility model |