CN209483884U - The transmission device and mini-tiller of a kind of dual rotary direction gearbox - Google Patents
The transmission device and mini-tiller of a kind of dual rotary direction gearbox Download PDFInfo
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- CN209483884U CN209483884U CN201822231113.9U CN201822231113U CN209483884U CN 209483884 U CN209483884 U CN 209483884U CN 201822231113 U CN201822231113 U CN 201822231113U CN 209483884 U CN209483884 U CN 209483884U
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- countershaft
- individual gears
- internal spline
- gear
- transmission device
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Abstract
The utility model relates to the transmission device and mini-tiller of a kind of dual rotary direction gearbox, the transmission device includes main shaft, the first countershaft, the second countershaft；The main shaft is connected with main shaft duplicate gear by spline；The first countershaft duplicate gear is connected on first countershaft, which is meshed with main shaft duplicate gear；The first countershaft internal spline individual gears are also equipped on first countershaft；The second countershaft internal spline individual gears, driving bevel gear are also equipped on second countershaft；The second countershaft internal spline individual gears are meshed with the first countershaft internal spline individual gears；The driving bevel gear is located at one end of the second countershaft internal spline individual gears；Engage driven bevel pinion in one end of the driving bevel gear；The driven bevel pinion is mounted on nowel transmission shaft.It shows a little: having biggish transmission ratio, and transmission ratio is adjustable, while can change the direction of rotation of output, failure rate is low, good reliability.
Description
Technical field
The utility model relates to the transmission device technical fields of gearbox, specifically, being a kind of dual rotary direction speed change
The transmission device and mini-tiller of case.
Background technique
With the development of China's agricultural modernization, mechanized farming has gradually replaced artificial farming as agricultural production
Major way.Our countries are vast in territory, and geographical environment is varied, and per capita cultivated land is less, so compact, operation spirit
Living, cheap mini-tiller has become the preferred agricultural machinery in China rural area.
However, the following defects and deficiencies exist for mini-tiller in the prior art:
Firstly, mini-tiller in the prior art, postposition cabinet mostly uses greatly the structure of chain drive, the structure of chain drive
Reliable transmission it is low, while export revolving speed and turn to it is single；It is difficult to meet different agricultural operation requirements.
Secondly, mini-tiller in the prior art, postposition cabinet mostly uses greatly the structure of chain drive, and transmission ratio can not
It adjusts, the characteristics of can not achieve mini-tiller diversification, multifunction, a tractor serves several purposes, is not able to satisfy different zones, varying environment
User uses.
Chinese patent literature CN201320055765.6, the applying date 20130131, patent name are as follows: transmission box for tiller knot
Structure assembly and its mini-tiller disclose a kind of transmission box for tiller structural assembly, including cabinet, driven subassembly, shift speed change group
Part, walking component and the driving shaft for inputting power, driven subassembly include the driven shaft and housing for outputing power
It is fixed on driven shaft and for the duplex driven gear with driving shaft engaged transmission cooperation；Shift speed change component includes scroll bar, double
Connection power shift gear and selector fork, duplex power shift gear are coated at scroll bar and can move axially along scroll bar, and selector fork is coated at
Driving shaft simultaneously matches fixation with duplex power shift gear.
The transmission box for tiller structural assembly of above patent document, structure is simple, power transmitting is reliable, the flexible side of shift
Just, and can stability with higher to be applicable in the need of work of long period.But there is biggish transmission about one kind
Than and transmission ratio is adjustable, while can change the direction of rotation of output, and failure rate is low, and the technical solution of good reliability is then not
See corresponding disclosure.
In conclusion needing one kind has biggish transmission ratio, and transmission ratio is adjustable, while can change the rotation of output
Turn direction, failure rate is low, the transmission device of the dual rotary direction gearbox of good reliability.And it is gone back at present about this transmission device
It has not been reported.
Summary of the invention
The purpose of this utility model be aiming at the shortcomings in the prior art, provide it is a kind of there is biggish transmission ratio, and
Transmission ratio is adjustable, while can change the direction of rotation of output, and failure rate is low, the biography of the dual rotary direction gearbox of good reliability
Dynamic device.
Another purpose of the utility model is, to achieve the above object, the technical scheme adopted by the utility model is that:
A kind of transmission device of the gearbox in dual rotary direction, the transmission device include main shaft, the first countershaft, second
Countershaft；The main shaft is connected with main shaft duplicate gear by spline；The first countershaft duplex is connected on first countershaft
Gear, the first countershaft duplicate gear are meshed with main shaft duplicate gear；It is also equipped in the first countershaft on first countershaft
Spline individual gears；The second countershaft internal spline individual gears, driving bevel gear are also equipped on second countershaft；Described second is secondary
Axis internal spline individual gears are meshed with the first countershaft internal spline individual gears；The driving bevel gear is located at the second countershaft internal spline
One end of individual gears；Engage driven bevel pinion in one end of the driving bevel gear；The driven bevel pinion is mounted on nowel
On transmission shaft.
As a kind of perferred technical scheme, the main shaft, the first secondary axis, the second countershaft axis be parallel to each other.
As a kind of perferred technical scheme, the main shaft, the first secondary axis, the second countershaft both ends be mounted on axis
It holds.
As a kind of perferred technical scheme, it is additionally provided with sleeve on first countershaft, sleeve setting is in the first pair
Between axis internal spline individual gears and the first countershaft internal spline individual gears.
As a kind of perferred technical scheme, the second countershaft internal spline individual gears are equipped with female splined shaft, and pass through
Female splined shaft imparts power to driving bevel gear, and driving bevel gear passes to driven bevel pinion again, under driven bevel pinion passes through
Spline on case transmission shaft transfers out.
As a kind of perferred technical scheme, the main shaft duplicate gear is engaged with the second countershaft internal spline individual gears,
Second countershaft internal spline individual gears impart power to the second countershaft, and the second countershaft passes to active umbrella tooth by axis upper spline
Wheel, driving bevel gear pass to driven bevel pinion again；Driven bevel pinion is gone out power transmission by the spline on nowel transmission shaft
It goes.
As a kind of perferred technical scheme, the diameter of the first countershaft duplex-gear is greater than the first countershaft internal spline list
The diameter of gear.
To realize above-mentioned second purpose, the technical scheme adopted by the utility model is that:
A kind of method of power transmission of transmission device, the method for power transmission are as follows: the transmission device moves
Force transferring method includes positive transmitting and back transfer；
When carrying out positive transmitting, power is passed to the first countershaft duplex-gear through main shaft duplicate gear by spindle drive, the
One countershaft duplex-gear drives the rotation of the first countershaft, then the first countershaft internal spline individual gears on the first countershaft is driven to rotate synchronously；
First countershaft internal spline individual gears are meshed with the second countershaft internal spline individual gears, so that power is transmitted on the second countershaft；Institute
When the power that the second countershaft stated is transmitted is rotated, while driving bevel gear being driven to rotate；The driving bevel gear is nibbled
Conjunction has driven bevel pinion, and power passes to driven bevel pinion by driving bevel gear again, and driven bevel pinion passes through on nowel transmission shaft
Spline transfer out, to realize positive transmitting.
When carrying out back transfer, power is passed to the second countershaft internal spline list through main shaft duplicate gear by spindle drive
Gear；The second countershaft internal spline individual gears rotation drives the rotation of the second countershaft, and second countershaft is carried out by transmitting
When rotation, while driving bevel gear being driven to rotate；The driving bevel gear is engaged with driven bevel pinion, and power is by active umbrella tooth
Wheel passes to driven bevel pinion again, and driven bevel pinion is transferred out by the spline on nowel transmission shaft, to realize reversed pass
It passs.
To realize above-mentioned third purpose, the technical scheme adopted by the utility model is that:
A kind of mini-tiller, the mini-tiller include transmission device described at least one of above-described embodiment.
The utility model advantage is:
1, the transmission device of a kind of dual rotary direction gearbox of the utility model has biggish transmission ratio, Er Qiechuan
It moves than direction of rotation that is adjustable, while can change output, failure rate is low, good reliability.
2, it is connected with countershaft duplicate gear on the first countershaft, which is meshed with main shaft duplicate gear, should
The effect of design method is: it in transmission process, is designed by duplicate gear, the revolving speed and speed of output shaft can be changed, gram
The single problem of revolving speed is taken.
3, in transmission device, main shaft duplicate gear, the first countershaft internal spline individual gears, the second countershaft internal spline individual gears,
Driving bevel gear, driven bevel pinion are all made of gear type structure, have biggish transmission ratio, and transmission ratio is adjustable, failure is low.
4, the method for power transmission of transmission device includes positive transmitting and back transfer, can be realized Double-directional rotary, overcomes
Turn to single defect.
5, the transmission device of the utility model is applied on mini-tiller, realizes mini-tiller diversification, multifunction, one
The characteristics of machine multiple purpose, is able to satisfy different zones, the user of varying environment uses.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the transmission device of the gearbox in dual rotary direction of the utility model.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the utility model.
Appended drawing reference involved in attached drawing and component part are as follows:
1. 2. main shaft duplicate gear of main shaft
3. 4. first countershaft of the first countershaft duplex-gear
5. 6. second countershaft internal spline individual gears of the first countershaft internal spline individual gears
7. 8. driving bevel gear of the second countershaft
9. 10. nowel transmission shaft of driven bevel pinion
Fig. 1 is please referred to, Fig. 1 is a kind of structural representation of the transmission device of the gearbox in dual rotary direction of the utility model
Figure.A kind of transmission device of the gearbox in dual rotary direction, the transmission device include main shaft 1, first the 4, second pair of countershaft
Axis 7；The main shaft 1 is connected with main shaft duplicate gear 2 by spline；It is double that the first countershaft is connected on first countershaft 4
Join tooth 3 to take turns, the first countershaft duplex-gear 3 wheel is meshed with main shaft duplicate gear 2；First is also equipped on first countershaft 4
Countershaft internal spline individual gears 5；The second countershaft internal spline individual gears 6, driving bevel gear 8 are also equipped on second countershaft 7；
The second countershaft internal spline individual gears 6 are meshed with the first countershaft internal spline individual gears 5；The driving bevel gear 8 is located at
One end of second countershaft internal spline individual gears 6；Engage driven bevel pinion 9 in one end of the driving bevel gear 8；Described is driven
Bevel gear 9 is mounted on nowel transmission shaft 10.
The second countershaft internal spline individual gears 6 are equipped with female splined shaft, and impart power to master by female splined shaft
Dynamic bevel gear 8, driving bevel gear 8 pass to driven bevel pinion 9 again, and driven bevel pinion 9 passes through the spline on nowel transmission shaft 10
It transfers out；
Or main shaft duplicate gear 2 is engaged with the second countershaft internal spline individual gears 6, the second countershaft internal spline individual gears 6 will
Power passes to the second countershaft 7, and the second countershaft 7 passes to driving bevel gear 8 by axis upper spline, and driving bevel gear 8 transmits again
To driven bevel pinion 9；Driven bevel pinion 9 is gone out power transmission by the spline on nowel transmission shaft 10.
The embodiment it should be understood that
The main shaft 1,4 line of the first countershaft, the second countershaft 7 axis be parallel to each other, which is conducive to each
Gear member can be stable transmitting power, good reliability.
The main shaft 1,4 line of the first countershaft, the second countershaft 7 both ends be mounted on bearing, design bearing is convenient for each axis
It rotates unfettered and easy for installation.
It is connected with countershaft duplicate gear on first countershaft 4, which nibbles with 2 phase of main shaft duplicate gear
It closes, the effect of the design method is: in transmission process, being designed by duplicate gear, can change the revolving speed and speed of output shaft
Degree, overcomes the single problem of revolving speed.
It is additionally provided with sleeve on first countershaft 4, which is arranged in the first countershaft internal spline individual gears 5 and first
Between countershaft internal spline individual gears 5, independently transmits power convenient for can both be engaged between other component and think, mutually not
It is constrained.
In the transmission device, main shaft duplicate gear 2, the first countershaft internal spline individual gears 5, the second countershaft internal spline list
Gear 6, driving bevel gear 8, driven bevel pinion 9 are all made of gear type structure, have biggish transmission ratio, and transmission ratio can
It adjusts, failure is low.
The diameter of the first countershaft duplex-gear 3 is greater than the diameter of the first countershaft internal spline individual gears 5, the design method
Be conducive to adjust transmission ratio.
The method of power transmission of the transmission device includes positive transmitting and back transfer, can be realized Double-directional rotary,
Overcome and turns to single defect.
When carrying out positive transmitting, main shaft 1 is driven, and power is passed to the first countershaft duplex-gear through main shaft duplicate gear 2
3, the first countershaft duplex-gear 3 drives the rotation of the first countershaft 4, then drives the first countershaft internal spline individual gears 5 on the first countershaft 4 same
Step rotation；First countershaft internal spline individual gears 5 are meshed with the second countershaft internal spline individual gears 6, so that power is transmitted to second
On countershaft 7；When the power that second countershaft 7 is transmitted is rotated, while driving bevel gear 8 being driven to rotate；Described
Driving bevel gear 8 is engaged with driven bevel pinion 9, and power passes to driven bevel pinion 9, driven bevel pinion 9 by driving bevel gear 8 again
It is transferred out by the spline on nowel transmission shaft 10, to realize positive transmitting.
When carrying out back transfer, main shaft 1 is driven, and power is passed to the second countershaft internal spline through main shaft duplicate gear 2
Individual gears 6；Second countershaft internal spline individual gears 6 rotation drives the rotation of the second countershaft 7, and second countershaft 7 is passed
When progressive row rotates, while driving bevel gear 8 being driven to rotate；The driving bevel gear 8 is engaged with driven bevel pinion 9, power
Driven bevel pinion 9 is passed to by driving bevel gear 8 again, driven bevel pinion 9 is transferred out by the spline on nowel transmission shaft 10,
To realize back transfer.
A kind of transmission device of dual rotary direction gearbox of the utility model has biggish transmission ratio, and is driven
Than adjustable, while it can change the direction of rotation of output, failure rate is low, good reliability；Countershaft duplex is connected on first countershaft 4
Gear, the countershaft duplicate gear are meshed with main shaft duplicate gear 2, and the effect of the design method is: in transmission process, passing through
Duplicate gear design, can change the revolving speed and speed of output shaft, overcome the single problem of revolving speed；In transmission device, main shaft
Duplicate gear 2, the first countershaft internal spline individual gears 5, the second countershaft internal spline individual gears 6, driving bevel gear 8, driven bevel pinion 9
It is all made of gear type structure, there is biggish transmission ratio, and transmission ratio is adjustable, failure is low；The method of power transmission of dynamic device
Including forward direction transmitting and back transfer, Double-directional rotary can be realized, overcome and turn to single defect；By the utility model
The characteristics of transmission device is applied on mini-tiller, and mini-tiller diversification, multifunction, a tractor serves several purposes are realized, is able to satisfy not
User's use in same region, varying environment.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvement and supplement under the premise of not departing from the utility model method, these are improved and supplement
Also it should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of transmission device of dual rotary direction gearbox, which is characterized in that the transmission device includes main shaft, the first pair
Axis, the second countershaft；The main shaft is connected with main shaft duplicate gear by spline；The first pair is connected on first countershaft
Axis duplicate gear, the first countershaft duplicate gear are meshed with main shaft duplicate gear；First is also equipped on first countershaft
Countershaft internal spline individual gears；The second countershaft internal spline individual gears, driving bevel gear are also equipped on second countershaft；It is described
Second countershaft internal spline individual gears are meshed with the first countershaft internal spline individual gears；The driving bevel gear is located at the second countershaft
One end of internal spline individual gears；Engage driven bevel pinion in one end of the driving bevel gear；The driven bevel pinion installation
On nowel transmission shaft.
2. the transmission device of dual rotary direction according to claim 1 gearbox, which is characterized in that the main shaft,
One secondary axis, the second countershaft axis be parallel to each other.
3. the transmission device of dual rotary direction according to claim 1 gearbox, which is characterized in that the main shaft,
One secondary axis, the second countershaft both ends be mounted on bearing.
4. the transmission device of dual rotary direction according to claim 1 gearbox, which is characterized in that first countershaft
On be additionally provided with sleeve, the sleeve be arranged between the first countershaft internal spline individual gears and the first countershaft internal spline individual gears.
5. the transmission device of dual rotary direction according to claim 1 gearbox, which is characterized in that in second countershaft
Spline individual gears are equipped with female splined shaft, and impart power to driving bevel gear by female splined shaft, and driving bevel gear passes again
Driven bevel pinion is passed, driven bevel pinion is transferred out by the spline on nowel transmission shaft.
6. the transmission device of dual rotary direction according to claim 1 gearbox, which is characterized in that the main shaft duplex
Gear is engaged with the second countershaft internal spline individual gears, and the second countershaft internal spline individual gears impart power to the second countershaft, and second
Countershaft passes to driving bevel gear by axis upper spline, and driving bevel gear passes to driven bevel pinion again；Driven bevel pinion passes through
Spline on nowel transmission shaft goes out power transmission.
7. the transmission device of dual rotary direction according to claim 1 gearbox, which is characterized in that first countershaft
The diameter of duplex-gear is greater than the diameter of the first countershaft internal spline individual gears.
8. a kind of mini-tiller, which is characterized in that the mini-tiller includes the described in any item dual rotary directions claim 1-7
The transmission device of gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231113.9U CN209483884U (en) | 2018-12-28 | 2018-12-28 | The transmission device and mini-tiller of a kind of dual rotary direction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231113.9U CN209483884U (en) | 2018-12-28 | 2018-12-28 | The transmission device and mini-tiller of a kind of dual rotary direction gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN209483884U true CN209483884U (en) | 2019-10-11 |
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ID=68128982
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231113.9U Active CN209483884U (en) | 2018-12-28 | 2018-12-28 | The transmission device and mini-tiller of a kind of dual rotary direction gearbox |
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| CN (1) | CN209483884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488732A (en) * | 2018-12-28 | 2019-03-19 | 重庆鑫源农机股份有限公司 | Transmission device, method of power transmission and the mini-tiller of dual rotary direction gearbox |
-
2018
- 2018-12-28 CN CN201822231113.9U patent/CN209483884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488732A (en) * | 2018-12-28 | 2019-03-19 | 重庆鑫源农机股份有限公司 | Transmission device, method of power transmission and the mini-tiller of dual rotary direction gearbox |
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