CN203115020U - Transmission case for agricultural vehicle - Google Patents
Transmission case for agricultural vehicle Download PDFInfo
- Publication number
- CN203115020U CN203115020U CN 201220700078 CN201220700078U CN203115020U CN 203115020 U CN203115020 U CN 203115020U CN 201220700078 CN201220700078 CN 201220700078 CN 201220700078 U CN201220700078 U CN 201220700078U CN 203115020 U CN203115020 U CN 203115020U
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- CN
- China
- Prior art keywords
- gear
- shaft
- input shaft
- transmission case
- input
- 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 - Fee Related
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Abstract
The utility model discloses a transmission case for an agricultural vehicle, which comprises a transmission case casing. An output shaft, an intermediate shaft, a reverse gear shaft and a shift rail are rotationally installed in the transmission case casing; an input shaft cover is fixed on the side wall of the transmission case casing; an input shaft is rotationally installed in the input shaft cover; the right end of the input shaft extends into the transmission case casing; a counterbore is formed in the right end surface of the input shaft; the left end of the output shaft is rotationally installed in the counterbore; an input gear is arranged on an annular outer wall at the right end of the input shaft; a gear body is fixedly sleeved on the intermediate shaft; a third and fourth gear and a first and second gear are in sliding fit with the output shaft from the left part to the right part in sequence; an annular groove is formed on the left end surface of the third and fourth gear; internal teeth forming fit transmission with the input gear are arranged in the annular groove; and a backward gear is in sliding fit with the reverse gear shaft. The transmission case is reasonable in design, and has a compact structure and a small size. The performances of the transmission case are stable and reliable. The transmission case has the advantages of optimized transmission matching, high output power, high transmitted power and high mechanical efficiency.
Description
Technical field:
The utility model relates generally to the gearbox technical field, relates in particular to a kind of agricultural vehicle gearbox.
Background technique:
Along with the development in agricultural vehicle market, the specific (special) requirements of extraordinary agricultural vehicle is improved constantly, the gearbox that is used for agricultural vehicle in the prior art has not satisfied user demand.
The model utility content:
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of agricultural vehicle gearbox to be provided.It is reasonable in design, compact structure, and volume is little.Product performance are reliable and stable.The transmission matching optimization, output power is big, transmitted power is big, the mechanical efficiency height.
The utility model is achieved through the following technical solutions:
A kind of agricultural vehicle gearbox is characterized in that: comprise gear-box case, be rotatablely equipped with the output shaft, jack shaft, reverse gear shaft and the declutch shift shaft that are parallel to each other in the described gear-box case; Fixedly there is the input shaft-cup at the position of corresponding output shaft on the described gear-box case sidewall, the moving input shaft that is equipped with of input shaft-cup transfer, the input shaft right-hand member stretches in the gear-box case, and input shaft right-hand member end face is provided with counterbore, and described output shaft left end is rotatably installed in the described counterbore; The annular outer wall of input shaft right-hand member is provided with the input gear; Fixed cover is equipped with gear mass on the jack shaft, is provided with successively from left to right on the gear mass and the middle driving cog of importing meshed transmission gear and third gear, second gear and one grade of active driving cog; Be sliding combined with successively from left to right on the output shaft third gear on the gear mass initiatively driving cog cooperate three fourth gears and an intermediate gear of transmission, an intermediate gear be provided with respectively with gear mass on one, second gear initiatively driving cog cooperate transmission one, the passive driving cog of second gear; Have annular groove on the left side of three fourth gears, be provided with in the annular groove and import the internal tooth that gear cooperates transmission, three fourth gears move to left, and the input shaft right-hand member embeds in the annular groove of three fourth gears and input gear and internal tooth engagement driving; Be sliding combined with reverse gear on the reverse gear shaft, from left to right be provided with successively on the described reverse gear with an intermediate gear on one grade of passive tooth little tooth of reverse gear of cooperating transmission and with gear mass on one grade of reverse gear canine tooth of cooperating of driving cog initiatively; Be set with the three fourth gear shift forks of stirring three fourth gears, a second gear shift fork of stirring an intermediate gear and the reverse speed fork of stirring reverse gear on the declutch shift shaft.
A kind of agricultural vehicle driving mechanism of gearbox, it is characterized in that: the right-hand member fixed cover of described output shaft is equipped with the output flange.
A kind of agricultural vehicle gearbox is characterized in that: a second gear shift fork, three fourth gear shift fork and reverse speed forks are housed on described three declutch shift shafts; Have lock groove on three shift forks, offer spring seat in the loam cake, be placed with spring, locking pearl in the spring seat, the locking pearl is right against described lock groove.
In the utility model, input shaft is imported power by motor, and its concrete drive path is: input gear → gear mass
One: one second gear shift fork of situation is stirred an intermediate gear to the right, one grade of one grade of passive driving cog → one grade of power of output shaft output on driving cog → intermediate gear initiatively on the gear mass.
Two: one second gear shift forks of situation are stirred an intermediate gear left, the passive driving cog of second gear on the gear mass on second gear active driving cog → intermediate gear → output shaft output second gear power.
Three: three fourth gear shift forks of situation stir three fourth gears to the right → gear mass on the third gear passive driving cog of the third gear → output shaft output third gear power on driving cog → three fourth gears initiatively.
Four: three fourth gear shift forks of situation stir three fourth gears left → three on the fourth gear internal tooth export fourth gear power with input gear engagement → output shaft.
Situation five: reverse speed fork stir reverse gear left → reverse gear on one grade of initiatively driving cog engagement of reverse gear canine tooth and gear mass, the little tooth of reverse gear and an intermediate gear one grade initiatively driving cog engagement → output shaft export reverse gear power.
The utlity model has that one grade, reverse speed are fast slightly, the slower characteristics of third speed, the change of this characteristics, the special purpose vehicle in operation place that makes it extremely to be adapted at special road section upward slope descending, potted road surface and road conditions difference is supporting.
The utility model is extensively received the component of the ripe mechanism of similar gearbox, and improves, and makes it to be more suitable for the specific (special) requirements of special vehicle; Adopt especially big displacement, nonstandard gear, make it to reach the component such as casing of using like product, satisfy specific speed ratio, strengthen the strength of gear teeth, increase the requirement of output power.
The utility model is a supporting product of special purpose vehicle that extremely is suitably the operation place of mountain area, field, field, orchard, forest farm, pasture and road conditions difference.
The utility model has the advantages that:
The utility model is reasonable in design, compact structure, and volume is little.Product performance are reliable and stable.The transmission matching optimization, output power is big, transmitted power is big, the mechanical efficiency height.Structure is terse, operates simple and easy, easy to maintenance.Be applicable to agricultural vehicle.Component versatility and interchangeability are good.Satisfy the various configurations requirement of extraordinary agricultural transportation vehicle.Extensively adopt the component of like product, the new product cost is low.The component manufacturing process is simple and easy, assembling is lightly convenient.Supporting cost is low, has the market competitiveness.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Referring to accompanying drawing.
A kind of agricultural vehicle gearbox comprises gear-box case 1, is rotatablely equipped with the output shaft 2, jack shaft 3, reverse gear shaft 4 and the declutch shift shaft 5 that are parallel to each other in the described gear-box case 1; Fixedly there is input shaft-cup 6 at the position of corresponding output shaft 2 on described gear-box case 1 sidewall, be rotatablely equipped with input shaft 7 in the input shaft-cup 6, input shaft 7 right-hand members stretch in the gear-box case 1, and input shaft 7 right-hand member end faces are provided with counterbore, and described output shaft 2 left ends are rotatably installed in the described counterbore; The annular outer wall of input shaft 7 right-hand members is provided with input gear 8; Fixed cover is equipped with gear mass 9 on the jack shaft 3, is provided with successively from left to right on the gear mass 9 and the middle driving cog 10 of importing gear 8 engagement driving and third gear, second gear and one grade of active driving cog 11,12,13; Be sliding combined with successively from left to right on the output shaft 2 third gear on the gear mass 9 initiatively driving cog 11 cooperate three fourth gears 14 of transmissions and an intermediate gear 15, one intermediate gears 15 be provided with respectively with gear mass 9 on one, second gear initiatively driving cog 13,12 cooperate transmission one, the passive driving cog 16 of second gear, 17; Have annular groove on the left side of three fourth gears 14, be provided with in the annular groove and import the internal tooth 18 that gear 8 cooperates transmission, three fourth gears 14 move to left, and input shaft 7 right-hand members embed in the annular groove of three fourth gears 14 and input gear 8 and internal tooth 18 engagement driving; Be sliding combined with reverse gear 19 on the reverse gear shaft 4, from left to right be provided with successively on the described reverse gear 19 with an intermediate gear on one grade of passive tooth 16 little tooth 20 of reverse gear of cooperating transmission and with gear mass 9 on one grade of reverse gear canine tooth 21 of cooperating of driving cog 13 initiatively; Be set with the three fourth gear shift forks 22 of stirring three fourth gears 14 on the declutch shift shaft 5, stir a second gear shift fork 23 of an intermediate gear 15 and the reverse speed fork 24 of stirring reverse gear 19.
The right-hand member fixed cover of output shaft 2 is equipped with output flange 25.
Claims (2)
1. an agricultural vehicle gearbox is characterized in that: comprise gear-box case, be rotatablely equipped with the output shaft, jack shaft, reverse gear shaft and the declutch shift shaft that are parallel to each other in the described gear-box case; Fixedly there is the input shaft-cup at the position of corresponding output shaft on the described gear-box case sidewall, the moving input shaft that is equipped with of input shaft-cup transfer, the input shaft right-hand member stretches in the gear-box case, and input shaft right-hand member end face is provided with counterbore, and described output shaft left end is rotatably installed in the described counterbore; The annular outer wall of input shaft right-hand member is provided with the input gear; Fixed cover is equipped with gear mass on the jack shaft, is provided with successively from left to right on the gear mass and the middle driving cog of importing meshed transmission gear and third gear, second gear and one grade of active driving cog; Be sliding combined with successively from left to right on the output shaft third gear on the gear mass initiatively driving cog cooperate three fourth gears and an intermediate gear of transmission, an intermediate gear be provided with respectively with gear mass on one, second gear initiatively driving cog cooperate transmission one, the passive driving cog of second gear; Have annular groove on the left side of three fourth gears, be provided with in the annular groove and import the internal tooth that gear cooperates transmission, three fourth gears move to left, and the input shaft right-hand member embeds in the annular groove of three fourth gears and input gear and internal tooth engagement driving; Be sliding combined with reverse gear on the reverse gear shaft, from left to right be provided with successively on the described reverse gear with an intermediate gear on one grade of passive tooth little tooth of reverse gear of cooperating transmission and with gear mass on one grade of reverse gear canine tooth of cooperating of driving cog initiatively; Be set with the three fourth gear shift forks of stirring three fourth gears, a second gear shift fork of stirring an intermediate gear and the reverse speed fork of stirring reverse gear on the declutch shift shaft.
2. a kind of agricultural vehicle gearbox according to claim 1, it is characterized in that: the right-hand member fixed cover of described output shaft is equipped with the output flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700078 CN203115020U (en) | 2012-12-17 | 2012-12-17 | Transmission case for agricultural vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700078 CN203115020U (en) | 2012-12-17 | 2012-12-17 | Transmission case for agricultural vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203115020U true CN203115020U (en) | 2013-08-07 |
Family
ID=48895370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700078 Expired - Fee Related CN203115020U (en) | 2012-12-17 | 2012-12-17 | Transmission case for agricultural vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203115020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901338A (en) * | 2018-08-16 | 2018-11-30 | 农业部南京农业机械化研究所 | A kind of roller brush type device for picking suitable for castor-oil plant harvest |
-
2012
- 2012-12-17 CN CN 201220700078 patent/CN203115020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901338A (en) * | 2018-08-16 | 2018-11-30 | 农业部南京农业机械化研究所 | A kind of roller brush type device for picking suitable for castor-oil plant harvest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20161217 |