CN202790452U - Transmission mechanism of power output shaft for gearbox of tractor - Google Patents
Transmission mechanism of power output shaft for gearbox of tractor Download PDFInfo
- Publication number
- CN202790452U CN202790452U CN 201220373019 CN201220373019U CN202790452U CN 202790452 U CN202790452 U CN 202790452U CN 201220373019 CN201220373019 CN 201220373019 CN 201220373019 U CN201220373019 U CN 201220373019U CN 202790452 U CN202790452 U CN 202790452U
- Authority
- CN
- China
- Prior art keywords
- pto
- power take
- engaging
- section
- output 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 - Fee Related
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Abstract
A transmission mechanism of a power output shaft for a gearbox of a tractor comprises an output shaft and an engaging sleeve, wherein the output shaft is composed of a power input shaft section and a power output shaft section, the power output shaft section is provided with engaging teeth, an engaging sleeve body is connected onto inner engaging teeth, and a flange is arranged at the bottom of the engaging sleeve body and provided with back engaging teeth. The transmission mechanism is characterized in that the power input shaft section is a connecting sleeve provided with the inner engaging teeth inside, a boss is arranged on the outer side of the engaging sleeve body circumferentially, and front engaging teeth engaged with the inner engaging teeth are arranged on the boss. The front and back engaging teeth are arranged outside the engaging sleeve of the power output shaft, a power input gear connected with the engaging sleeve of the power output shaft and the power output shaft can be arranged along the same axis, shafts in the gearbox are arranged compactly, therefore the volume of the gearbox is reduced, and flexible steering and convenient operation of four-wheel drive agricultural tractors are guaranteed.
Description
Technical field
The utility model relates to a kind of gear box of tractor pto＝power take-off driving mechanism.
Background technique
The gearbox of four-wheel drive tractor need to be exported dynamic branch.Be used for the axle of dynamic branch output is called as pto＝power take-off.Described pto＝power take-off comprises two shaft parts, is respectively power input shaft section, pto＝power take-off section, is respectively equipped with engaging tooth in described power input shaft section, pto＝power take-off section.The pto＝power take-off engaging sleeve that uses with the pto＝power take-off collocation is tubular, is provided with flange in pto＝power take-off engaging sleeve back, is respectively equipped with engaging tooth at the circumferential inner side surface of pto＝power take-off engaging sleeve, flange.During assembling, the power input shaft section of the axle that outputs power stretches into the pto＝power take-off engaging sleeve, and with the engagement of the engaging tooth of pto＝power take-off engaging sleeve inside.During use, sliding power output shaft engaging sleeve makes it to mesh, separate with the engaging tooth of power input gear, to realize output, the interrupt output of power.The defective of the pto＝power take-off of this structure is: power input gear, pto＝power take-off mesh with inboard, the outside of pto＝power take-off engaging sleeve respectively, therefore, the axis of pto＝power take-off, power input gear does not overlap, the space that layout power input gear, pto＝power take-off engaging sleeve, pto＝power take-off need to take is large, increased the volume of gearbox, use the four-wheel drive tractor headstock of this gearbox huge, inconvenience turns to.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of gearbox volume that reduces, the gear box of tractor pto＝power take-off driving mechanism that four-wheel drive tractor is turned to flexibly.
The utility model is achieved in that
A kind of gear box of tractor pto＝power take-off driving mechanism, comprise output shaft and engaging sleeve, described output shaft is made of power input shaft section and pto＝power take-off section, be provided with engaging tooth in the pto＝power take-off section, be connected with the engaging sleeve body at interior engaging tooth, described engaging sleeve body bottom is provided with flange, engaging tooth after flange is provided with, its special way is: described power input shaft section is connecting sleeve, in connecting sleeve, be provided with interior engaging tooth, the circumferential outer side surface of described engaging sleeve body is provided with boss, engaging tooth before boss is provided with, described front engaging tooth and the engagement of interior engaging tooth.
The radius of described power input shaft section is greater than the radius of pto＝power take-off section.
Described power input shaft section is provided with the shaft shoulder near the edge of end face, is used for blocking bearing.
The end face of the close pto＝power take-off section of described power input shaft section is provided with oilhole.
Described power input shaft section is provided with groove near pto＝power take-off section one side, to place circlip.
Described pto＝power take-off section is provided with the shaft shoulder near power input shaft section place.
Described pto＝power take-off section is provided with positioning pin hole.
The beneficial effects of the utility model are: owing to be provided with connecting sleeve at power input shaft section end face, in connecting sleeve, be provided with interior engaging tooth, mesh with power input gear, pto＝power take-off respectively in the outside of pto＝power take-off engaging sleeve, the dead in line of pto＝power take-off, power input gear, arranging of interior each axle of gearbox is compacter, the volume of gearbox is little, uses the headstock of four-wheel drive tractor of this gearbox small and exquisite, is convenient to turn to.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model output shaft;
Fig. 3 is the structural representation of the utility model engaging sleeve;
Among the figure: pto＝power take-off section 1, engaging tooth 101, positioning hole 102, the rear shaft shoulder 103, power input shaft section 2, oilhole 201, groove 202, connecting sleeve 203, interior engaging tooth 204, the front shaft shoulder 205, axis 3, engaging sleeve body 4, boss 401, front engaging tooth 402, flange 403, rear engaging tooth 404, power input gear 5.
Embodiment
As shown in the figure, this gear box of tractor pto＝power take-off driving mechanism is to be made of output shaft and engaging sleeve, and described output shaft comprises two shaft parts, is respectively power input shaft section 2, pto＝power take-off section 1.The radius of described power input shaft section 2 is greater than the radius of pto＝power take-off section 1.Large end face in power input shaft section 2 is provided with connecting sleeve 203, in connecting sleeve 203, be provided with interior engaging tooth 204, power input shaft section 2 is provided with the front shaft shoulder 205 near the edge of end face, power input shaft section 2 is provided with groove 202 near pto＝power take-off section 1 one sides, and the end face of the close pto＝power take-off section 1 of power input shaft section 2 is provided with oilhole 201.Be provided with engaging tooth 101 and positioning hole 102 in pto＝power take-off section 1, pto＝power take-off section 1 is provided with the rear shaft shoulder 103 near power input shaft section 2 places.
Described engaging sleeve comprises engaging sleeve body 4, is provided with flange 403 in engaging sleeve body 4 bottoms, and engaging tooth 404 after flange 403 is provided with, and is provided with boss 401 at described engaging sleeve body 4 circumferential outer side surfaces, and engaging tooth 402 before boss 401 is provided with.The front engaging tooth 402 of engaging sleeve and 204 engagements of the interior engaging tooth of output shaft.
During assembling, on axis 3, set up successively this gear box of tractor pto＝power take-off, pto＝power take-off engaging sleeve, power input gear 5, and make the engaging tooth engagement of rear engaging tooth 404 with the power input gear 5 of pto＝power take-off engaging sleeve.
When not needing dynamic branch, when namely adopting two wheel drive, the axle engaging sleeve 4 that outputs power moves to left, and the rear engaging tooth of pto＝power take-off engaging sleeve 4 and the engaging tooth of power input gear 5 break away from, and it is static that this gear box of tractor pto＝power take-off keeps; When needs with dynamic branch, when namely adopting four-wheel drive, the axle engaging sleeve 4 that outputs power moves to right, the engagement of the rear engaging tooth of pto＝power take-off engaging sleeve 4 and the engaging tooth of power input gear 5, and by front engaging tooth with transmission of power to this gear box of tractor pto＝power take-off.
Claims (7)
1. gear box of tractor pto＝power take-off driving mechanism, comprise output shaft and engaging sleeve, described output shaft is made of power input shaft section and pto＝power take-off section, be provided with engaging tooth in the pto＝power take-off section, be connected with the engaging sleeve body at interior engaging tooth, described engaging sleeve body bottom is provided with flange, engaging tooth after flange is provided with, it is characterized in that: described power input shaft section is connecting sleeve, in connecting sleeve, be provided with interior engaging tooth, the circumferential outer side surface of described engaging sleeve body is provided with boss, engaging tooth before boss is provided with, described front engaging tooth and the engagement of interior engaging tooth.
2. gear box of tractor pto＝power take-off driving mechanism according to claim 1, it is characterized in that: the radius of described power input shaft section is greater than the radius of pto＝power take-off section.
3. gear box of tractor pto＝power take-off driving mechanism according to claim 1 is characterized in that: described power input shaft section is provided with the shaft shoulder near the edge of end face.
4. gear box of tractor pto＝power take-off driving mechanism according to claim 1, it is characterized in that: the end face of the close pto＝power take-off section of described power input shaft section is provided with oilhole.
5. gear box of tractor pto＝power take-off driving mechanism according to claim 1 is characterized in that: described power input shaft section is provided with groove near pto＝power take-off section one side.
6. gear box of tractor pto＝power take-off driving mechanism according to claim 1 is characterized in that: described pto＝power take-off section is provided with the shaft shoulder near power input shaft section place.
7. gear box of tractor pto＝power take-off driving mechanism according to claim 1, it is characterized in that: described pto＝power take-off section is provided with positioning pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373019 CN202790452U (en) | 2012-07-31 | 2012-07-31 | Transmission mechanism of power output shaft for gearbox of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373019 CN202790452U (en) | 2012-07-31 | 2012-07-31 | Transmission mechanism of power output shaft for gearbox of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790452U true CN202790452U (en) | 2013-03-13 |
Family
ID=47817718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373019 Expired - Fee Related CN202790452U (en) | 2012-07-31 | 2012-07-31 | Transmission mechanism of power output shaft for gearbox of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821912A (en) * | 2014-02-28 | 2014-05-28 | 安徽江淮汽车股份有限公司 | Installing structure for middle connecting shaft of driving shaft |
-
2012
- 2012-07-31 CN CN 201220373019 patent/CN202790452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821912A (en) * | 2014-02-28 | 2014-05-28 | 安徽江淮汽车股份有限公司 | Installing structure for middle connecting shaft of driving shaft |
| CN103821912B (en) * | 2014-02-28 | 2016-05-18 | 安徽江淮汽车股份有限公司 | A kind of driving shaft intermediate connecting shaft mounting structure |
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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 |
Granted publication date: 20130313 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |