CN207999481U - 8+8 grades of articulated tractor gearboxes - Google Patents
8+8 grades of articulated tractor gearboxes Download PDFInfo
- Publication number
- CN207999481U CN207999481U CN201820140444.9U CN201820140444U CN207999481U CN 207999481 U CN207999481 U CN 207999481U CN 201820140444 U CN201820140444 U CN 201820140444U CN 207999481 U CN207999481 U CN 207999481U
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- gear
- axis
- gear box
- shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000005034 decoration Methods 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of 8+8 grades of articulated tractor gearboxes, including babinet and the shift mechanism for manipulating the output of gearbox rotating speed;The babinet includes front gear box and rear transmission gear box;The power input shaft being sequentially connected with power end, an axis drive shaft, the first two axis being sequentially connected with front driving axle and commutation adjustment mechanism are installed in the front gear box;The axis, two axis being sequentially connected with rear driving axle and the main speed-changing mechanism being adjusted to initial input rotating speed that axis connection is driven with an axis, the secondary gear of main speed-changing mechanism drive connection are provided in the rear transmission gear box;It is provided with structure of bowing between the front gear box and the rear transmission gear box.The utility model decoration structure features simple design is reasonable, can export 8 drive shifts, 8 backward gears, and not only gear is more, but also with characteristic of bowing, disclosure satisfy that job requirements of the tractor under different operating environment, particularly hilly and mountainous land various working.
Description
Technical field
The utility model belongs to gear box of tractor technical field, and in particular to a kind of 8+8 grades of articulated tractor gearbox.
Background technology
Currently, hilly and mountainous land tractor gear is few, engine is rigid connection with rear axle, cannot meet tractor in difference
Operating environment and engineer operation range requirement, the gear box of tractor of many types is in order to realize tractor multi-gear speed change and change
To function, it has to increase gear box quantity, cause gear excessively complicated, keeps the babinet of gearbox excessively huge,
Cause turning radius big, the gearbox provided can not fully meet mountain and hill tractor particular surroundings job requirements, drop
Low tractor utilization rate, especially current hilly and mountainous land tractor cannot bow, in small plot operation, it is difficult to meet to dilatory
The small requirement of machine turning radius.
Utility model content
The technical problem to be solved by the utility model is to provide one kind disclosure satisfy that hilly and mountainous land various working operation needs
The 8+8 shelves articulated tractor gearboxes asked and can bowed.
In order to solve the above technical problems, the technical solution of the utility model is:
8+8 grades of articulated tractor gearboxes, including babinet and in the babinet, it is defeated for manipulating gearbox rotating speed
The shift mechanism gone out;The babinet includes front gear box and rear transmission gear box;
The power input shaft being sequentially connected with power end, an axis drive shaft and preceding driving are installed in the front gear box
The first two axis and commutation adjustment mechanism that bridge is sequentially connected;
Be provided in the rear transmission gear box with an axis drive axis connection an axis, with rear driving axle be sequentially connected two axis with
And to the main speed-changing mechanism that initial input rotating speed is adjusted, the secondary gear of main speed-changing mechanism drive connection;
It is provided with structure of bowing between the front gear box and the rear transmission gear box;The structure of bowing is using following knot
Structure:
The front gear box and the rear transmission gear box are hinged, and an axis passes through a shaft universal-joint and the axis drive shaft
Connection, two axis pass through two shaft universal-joints and the first two described axis connection;The front gear box and rear transmission gear box hinge joint and one
Shaft universal-joint, two shaft universal-joints are located on same center line so that the front gear box and the rear transmission gear box can be in these
Heart line relatively rotates.
The commutation adjustment mechanism includes the back gear being installed in the front gear box as a preferred technical solution,
Axis and reverse idler gear axis;
First group of reverse driving gear is set on the power input shaft;
First group of reverse gear driven gear, second group of reverse driving gear are set on the back gear axis;
It is set with reverse idler gear on the reverse idler gear axis;
Second group of reverse gear driven gear and reversing-gear synchronizer are equipped with by spline slide in the one axis drive shaft.
The main speed-changing mechanism includes the intermediate gear being installed in the rear transmission gear box as a preferred technical solution,
Axis, the intermediate gear shaft are sequentially connected with the secondary gear;
One grade of driving gear, two grades of driving gears, third speed drive gear, three fourth gear are set on one axis successively to synchronize
Device, fourth gear driving gear and low-grade driving gear;Three fourth gear synchronizers are fixedly connected by spline with an axis, fourth gear driving tooth
Wheel, low-grade driving gear form duplicate gear;
One grade of driven gear, one or two grades of synchronizers, two grades of driven gears, third gear are set on the intermediate gear shaft successively
Driven gear and fourth gear driven gear;One or two grades of synchronizers are fixedly connected by spline with intermediate gear shaft;
High and low shift engaging sleeve, low-grade driven gear are set on two axis successively;High and low shift engaging sleeve by spline with
Two axis are fixedly connected.
By adopting the above-described technical solution, the utility model has the advantages that:Gearbox designs design is succinct
Rationally, 8 drive shifts, 8 backward gears can be exported, not only gear is more for gearbox, but also with bowing characteristic, babinet is small,
Turning radius is small, disclosure satisfy that job requirements of the tractor under different operating environment, particularly hilly and mountainous land various working.
Description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure:1- power input shafts;The first two axis of 2-;3- back gear axis;4- reverse idler gear axis;Mono- axis of 5-;6- center tooths
Wheel shaft;Bis- axis of 7-;Mono- axis drive shafts of 8-;First group of reverse driving gear of 11-;First group of reverse gear driven gear of 12-;21- second
Group reverse driving gear;Second group of reverse gear driven gear of 22-;Mono- grade of driving gear of 31-;Mono- grade of driven gear of 32-;Bis- grades of 41-
Driving gear;Bis- grades of driven gears of 42-;51- third speed drive gears;52- third gear driven gears;61- fourth gear driving gears;62-
Fourth gear driven gear;71- low grade driving gears;72- low grade driven gears;The first two shaft bevel gears of 81-;Bis- shaft bevel gears of 82-;
A1- reversing-gear synchronizers;Mono- or two grades of synchronizers of a2-;Tri- fourth gear synchronizers of a3-;B1- high and low shift engaging sleeves;Mono- shaft universal-joints of c1-;
Bis- shaft universal-joints of c2-;A- front gear boxs;B- rear transmission gear boxs.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1,8+8 grades of articulated tractor gearboxes, including babinet and become in the babinet, for manipulating
The shift mechanism of fast case rotating speed output (for known technology, such as shift fork);The babinet includes front gear box A and rear transmission gear box B;
The power input shaft 1 being sequentially connected with power end, an axis drive shaft 8 and forerunner are installed in the front gear box A
The first two axis 2 and commutation adjustment mechanism that dynamic bridge is sequentially connected;
Two for being provided with the axis 5 being connect with an axis drive shaft 8 in the rear transmission gear box B, being sequentially connected with rear driving axle
Axis 7 and the main speed-changing mechanism that initial input rotating speed is adjusted, the secondary gear of main speed-changing mechanism drive connection;
It is provided with structure of bowing between the front gear box A and the rear transmission gear box B;The structure of bowing is using following knot
Structure:
The front gear box A and rear transmission gear box B is hinged, and an axis 5 passes through a shaft universal-joint c1 and an axis
Drive shaft 8 connects, and two axis 7 is connect by two shaft universal-joint c2 with the first two described axis 2;The front gear box A and rear speed change
Case B hinge joints and a shaft universal-joint c1, two shaft universal-joint c2 are located on same center line so that the front gear box A and described
Rear transmission gear box B can be relatively rotated around the center line, i.e., gearbox has characteristic of bowing, and disclosure satisfy that tractor in different work
Job requirements under environment and operating mode.
With reference to figure 1, the commutation adjustment mechanism includes the back gear axis 3 being installed in the front gear box A and reverse gear
Idler shaft 4;First group of reverse driving gear 11 is set on the power input shaft 1;Is set on the back gear axis 3
One group of reverse gear driven gear, 12, second groups of reverse driving gears 21;It is set with reverse idler gear on the reverse idler gear axis 4;It is described
Second group of reverse gear driven gear 22 and reversing-gear synchronizer a1 are equipped with by spline slide in one axis drive shaft 8.
The main speed-changing mechanism includes the intermediate gear shaft 6 being installed in the rear transmission gear box B, the intermediate gear shaft 6
It is sequentially connected with the secondary gear (not shown), secondary gear may be used commonly uses gear in the prior art
It realizes, details are not described herein;One grade of driving gear, 31, two grades of driving gears 41, third gear are set on one axis 5 successively actively
Gear 51, three fourth gear synchronizer a3, fourth gear driving gear 61 and low-grade driving gear 71;Three fourth gear synchronizer a3 by spline with
One axis 5 is fixedly connected, and fourth gear driving gear 61, low-grade driving gear 71 form duplicate gear;On the intermediate gear shaft 6 successively
It is set with one grade of driven gear, 32,1 grades of synchronizer a2, two grades of driven gears 42, third gear driven gear 52 and fourth gear passive tooth
Wheel 62;One or two grades of synchronizer a2 are fixedly connected by spline with intermediate gear shaft 6;It is set with high and low shift successively on two axis 7
Engaging sleeve b1, low-grade driven gear 72;High and low shift engaging sleeve b1 is fixedly connected by spline with two axis 7;
When main speed-changing mechanism gear shift, one or two grades of synchronizer a2 and three fourth gear synchronizer a3 have and only there are one in engagement shape
State.
With reference to figure 1, advance, reverse gear route are specific as follows:
Drive shift:Shift mechanism is manipulated, reversing-gear synchronizer a1 is engaged with first group of reverse driving gear 11, transmission at this time
Route is:1 → mono- 5 → main speed-changing mechanism of axis of power input shaft.
Backward gear:Shift mechanism is manipulated, reversing-gear synchronizer a1 is engaged with second group of reverse gear driven gear 22, transmission at this time
Route is:First group of 11 → the first groups of reverse driving gear, 12 → the second groups of reverse gear driven gear, 21 → reverse gear of reverse driving gear
4 → the second groups of reverse gear driven gears of idler shaft, 22 → mono- 5 → main speed-changing mechanism of axis;
Multi gear position, high low speed drive path are as follows:
One grade:Shift mechanism is manipulated, one or two grades of synchronizer a2 are engaged with one grade of driven gear 32, at three fourth gear synchronizer a3
In disengaged condition;Drive path at this time is:One 5 → mono- grades of axis, 31 → mono- grades of driving gear driven gear 32 → mono- or two grade synchronization
Device a2 → intermediate gear shaft 6 → pair gear.
Two grades:Shift mechanism is manipulated, one or two grades of synchronizer a2 are engaged with two grades of driven gears 42, at three fourth gear synchronizer a3
In disengaged condition;Drive path at this time is:One 5 → bis- grades of axis, 41 → bis- grades of driving gear driven gear 42 → mono- or two grade synchronization
Device a2 → intermediate gear shaft 6 → pair gear.
Third gear:Shift mechanism is manipulated, three fourth gear synchronizer a3 are engaged with third gear driven gear 52, at one or two grades of synchronizer a2
In disengaged condition;Drive path at this time is:One axis, 5 → tri- fourth gear synchronizer a3 → third speed drive gear 51 → third gear passive tooth
Take turns 52 → intermediate gear shaft 6 → pair gear.
Fourth gear:Shift mechanism is manipulated, three fourth gear synchronizer a3 are engaged with fourth gear driven gear 62, at one or two grades of synchronizer a2
In disengaged condition;Drive path at this time is:One axis, 5 → tri- fourth gear synchronizer a3 → third speed drive gear 61 → fourth gear passive tooth
Take turns 62 → intermediate gear shaft 6 → pair gear.
It is high-grade:Shift mechanism is manipulated, fourth gear driven gear 62 is engaged with high and low shift engaging sleeve b1;Drive path at this time
For:62 → bis- axis 7 of fourth gear driven gear → pass to two 82 → rear driving axles of shaft bevel gears backward;Pass through two shaft universal-joint c2 forward
→ the first two axis 2 → the first two 81 → front driving axle of shaft bevel gears.
It is low-grade:Shift mechanism is manipulated, fourth gear driven gear 62 is engaged with high and low shift engaging sleeve b1;Drive path at this time
For:Low-grade driving gear 71 → 72 → bis- axis 7 of low grade driven gear → passes to two 82 → rear driving axles of shaft bevel gears backward;Forward
By two shaft universal-joint c2 → the first two axis 2 → the first two 81 → front driving axle of shaft bevel gears.
In conclusion the design of this gearbox designs is succinct reasonable, 8 drive shifts, 8 backward gears can be exported, not only
Gear is more, and with bowing characteristic, turning radius is small, and job area is wide, disclosure satisfy that tractor under different operating environment,
Job requirements especially under hilly and mountainous land various working.
The above descriptions are merely exemplary embodiments of the present utility model, is not limited to the model of the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the design and principle of the utility model
Change and change, the range of the utility model protection should all be belonged to.
Claims (3)
1.8+8 grades of articulated tractor gearboxes, including babinet and in the babinet, for manipulate gearbox rotating speed output
Shift mechanism;It is characterized in that:The babinet includes front gear box and rear transmission gear box;
The power input shaft being sequentially connected with power end, an axis drive shaft are installed in the front gear box, passed with front driving axle
The first two axis and commutation adjustment mechanism of dynamic connection;
It is provided in the rear transmission gear box and drives an axis of axis connection, two axis being sequentially connected with rear driving axle and right with an axis
The main speed-changing mechanism that initial input rotating speed is adjusted, the secondary gear of main speed-changing mechanism drive connection;
It is provided with structure of bowing between the front gear box and the rear transmission gear box;The structure of bowing uses such as lower structure:
The front gear box and the rear transmission gear box are hinged, and an axis is connected by a shaft universal-joint and the axis drive shaft
It connects, two axis passes through two shaft universal-joints and the first two described axis connection;The front gear box and rear transmission gear box hinge joint and an axis
Universal joint, two shaft universal-joints are located on same center line so that the front gear box and the rear transmission gear box can be around the centers
Line relatively rotates.
2. 8+8 grades of articulated tractor gearbox as described in claim 1, it is characterised in that:The commutation adjustment mechanism includes
The back gear axis and reverse idler gear axis being installed in the front gear box;
First group of reverse driving gear is set on the power input shaft;
First group of reverse gear driven gear, second group of reverse driving gear are set on the back gear axis;
It is set with reverse idler gear on the reverse idler gear axis;
Second group of reverse gear driven gear and reversing-gear synchronizer are equipped with by spline slide in the one axis drive shaft.
3. 8+8 grades of articulated tractor gearbox as claimed in claim 2, it is characterised in that:The main speed-changing mechanism includes peace
Loaded on the intermediate gear shaft in the rear transmission gear box, the intermediate gear shaft is sequentially connected with the secondary gear;
Be set with successively on one axis one grade of driving gear, two grades of driving gears, third speed drive gear, three fourth gear synchronizers,
Fourth gear driving gear and low-grade driving gear;Three fourth gear synchronizers are fixedly connected by spline with an axis, fourth gear driving gear, low
Shelves driving gear forms duplicate gear;
It is passive that one grade of driven gear, one or two grades of synchronizers, two grades of driven gears, third gear are set on the intermediate gear shaft successively
Gear and fourth gear driven gear;One or two grades of synchronizers are fixedly connected by spline with intermediate gear shaft;
High and low shift engaging sleeve, low-grade driven gear are set on two axis successively;High and low shift engaging sleeve is by spline with two axis
It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820140444.9U CN207999481U (en) | 2018-01-26 | 2018-01-26 | 8+8 grades of articulated tractor gearboxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820140444.9U CN207999481U (en) | 2018-01-26 | 2018-01-26 | 8+8 grades of articulated tractor gearboxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999481U true CN207999481U (en) | 2018-10-23 |
Family
ID=63837207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820140444.9U Expired - Fee Related CN207999481U (en) | 2018-01-26 | 2018-01-26 | 8+8 grades of articulated tractor gearboxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150617A (en) * | 2018-01-26 | 2018-06-12 | 山东五征集团有限公司 | 8+8 grades of articulated tractor gearboxes |
-
2018
- 2018-01-26 CN CN201820140444.9U patent/CN207999481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150617A (en) * | 2018-01-26 | 2018-06-12 | 山东五征集团有限公司 | 8+8 grades of articulated tractor gearboxes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181023 |