CN207246340U - A kind of mini-tiller multi-speed gear box assembly - Google Patents
A kind of mini-tiller multi-speed gear box assembly Download PDFInfo
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- CN207246340U CN207246340U CN201721313766.0U CN201721313766U CN207246340U CN 207246340 U CN207246340 U CN 207246340U CN 201721313766 U CN201721313766 U CN 201721313766U CN 207246340 U CN207246340 U CN 207246340U
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Abstract
The utility model discloses a kind of mini-tiller multi-speed gear box assembly, including gearbox body, clutch assembly, main shaft, countershaft and reversing shaft are equipped with babinet, the main shaft is connected with clutch assembly, from left to right it is equipped with reverse driving gear, one grade of driving gear, two grades of driving gears and third speed drive gear successively on main shaft, a transmission duplex-gear and third gear driven gear are equipped with countershaft, a reverse gear driven gear is equipped with reversing shaft；A selector fork assembly is equipped with wall box, axial movement of the transmission duplicate gear along countershaft can be driven by the selector fork assembly.The utility model can carry out the switching of more gears, so as to need to obtain preferable ploughing speed according to actual farming, improve farming efficiency.
Description
Technical field
It the utility model is related to mini-tiller technical field, more particularly to a kind of mini-tiller multi-speed gear box assembly.
Background technology
With the development of society, agricultural has stepped into mechanical times, especially mini-tiller because its is small, uses model
Enclose wide and be widely used.The gear of current mini-tiller mostly only has two gears and reverse gear, is not easy to farming
During speed adjustment, its farming scope is subject to a definite limitation, farming efficiency is also low, have been unable to meet agricultural production need
Will.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to provide a kind of mini-tiller multi gear to become
Fast box assembly, can carry out the switching of more gears, so as to be needed to obtain preferable ploughing speed according to actual farming, carry
High farming efficiency.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such：A kind of mini-tiller is used more
Shelves transmission assembly, including gearbox body, are equipped with clutch assembly, main shaft, countershaft and reversing shaft, the main shaft in babinet
It is connected with clutch assembly, it is characterised in that：From left to right it is equipped with reverse driving gear, one grade of driving tooth successively on main shaft
Wheel, two grades of driving gears and third speed drive gear, the reverse driving gear, one grade of driving gear, two grades of driving gears with
And third speed drive gear can be rotated synchronously with driving shaft；A transmission duplicate gear and third gear driven gear are equipped with countershaft,
Active pawl is equipped with the left surface of third gear driven gear, active pawl is corresponded to equipped with driven in the right flank of transmission duplicate gear
Pawl；Wherein, the transmission duplicate gear is slidably connected by feather key and countershaft, and the third gear driven gear empty set is in countershaft
On, and engaged with third speed drive gear；A reverse gear driven gear, the reverse gear driven gear and reverse gear active are equipped with reversing shaft
Gear engages；
A selector fork assembly is equipped with wall box, transmission duplicate gear can be driven by the selector fork assembly
Along the axial movement of countershaft, and in moving process, the left gear for being driven duplicate gear can be with back gear or one grade of master
Moving gear engages, and being driven the right gear of duplicate gear can engage with two grades of driving gears, is driven driven on the right side of duplicate gear
Pawl can be engaged with the active pawl on the left of third gear driven gear.
Further, a drive bevel gear is additionally provided with the end of countershaft, a drive bevel gear, institute is additionally provided with babinet
Drive bevel gear is stated to engage with drive bevel gear；The drive bevel gear is connected with an angular wheel shaft, and the angular wheel shaft stretches out case
It is connected after body with an output bevel gear wheel.
Further, the selector fork assembly includes shift fork axle, transmission arm and shift fork block, the shift fork axle and babinet
Rotation connection, the upper end of transmission arm are connected with shift fork axle, and lower end is rotatablely connected with shift fork block, which is arranged on transmission duplex-gear
Between left gear and right gear；Outside the enclosure side is equipped with a shift bar, which is fixedly connected with shift fork axle, passes through the gear shift
Bar can drive shift fork axle to rotate, and then drive transmission duplicate gear to be moved along the axle center of countershaft.
Further, an arc-shaped gear position locating board is equipped with below transmission arm, 5 are equipped with gear position locating board and is determined
Position groove；A groove is equipped with the lower end of transmission arm, a spring and locking ball are equipped with the groove, under the action of the spring,
Locking ball protrudes and groove, and is contacted with gear position locating board.
Further, the back gear and one grade of driving gear are molded as one with driving shaft；Two grades of driving gears and
Third speed drive gear is connected by spline with driving shaft.
Further, the active pawl and from pawl be unidirectional pawl.
Compared with prior art, the utility model has the following advantages that：It is simple in structure, it can realize three drive shifts and one
The switching of a reverse gear, so that having the selection of more gears in the cultivating procedure of mini-tiller, allows the operator to as needed
The gait of march of mini-tiller is controlled, so that the farming of mini-tiller is more efficient, can more meet the needs of people.
Brief description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the longitudinal sectional view of Fig. 1.
Fig. 3 is the internal structure schematic diagram of the utility model.
Fig. 4 is schematic diagram when the utility model assembling uses.
In figure：1-babinet, 2-clutch assembly, 3-main shaft, 4-countershaft, 5-reverse driving gear, 6-one grade of master
Moving gear, 7-two grades of driving gears, 8-third speed drive gear, 9-transmission duplicate gear, 10-third gear driven gear, 11-
Reverse gear driven gear, 12-selector fork assembly, 13-shift bar, 14-drive bevel gear, 15-drive bevel gear, 16-shelves
Position positioning plate.
Embodiment
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail.
Embodiment：Referring to Fig. 1 to Fig. 4, a kind of mini-tiller multi-speed gear box assembly, including gearbox body 1, in babinet 1
It is interior to be equipped with clutch assembly 2, main shaft 3, countershaft 4 and reversing shaft；The main shaft 3 is connected with clutch assembly 2.On main shaft 3
5, one grades of reverse driving gear, 6, two grades of driving gear driving gear 7 and third speed drive gear 8, institute are from left to right equipped with successively
Stating 5, one grades of reverse driving gear, 6, two grades of driving gear driving gear 7 and third speed drive gear 8 can be synchronous with driving shaft
Rotate；Wherein, the back gear and one grade of driving gear 6 are molded as one with driving shaft；Two grades of driving gears 7 and third gear master
Moving gear 8 is connected by spline with driving shaft.
A transmission duplicate gear 9 and third gear driven gear 10 are equipped with countershaft 4, in the left surface of third gear driven gear 10
Equipped with active pawl, correspond to active pawl in the right flank of transmission duplicate gear 9 and be equipped with from pawl；The active pawl and from
Pawl is unidirectional pawl.Wherein, the transmission duplicate gear 9 is slidably connected by feather key and countershaft 4；The third gear is driven
10 empty set of gear engages on countershaft 4, and with third speed drive gear 8.A reverse gear driven gear 11 is equipped with reversing shaft, should be fallen
Shelves driven gear 11 is engaged with reverse driving gear 5.A drive bevel gear 14 is additionally provided with the end of countershaft 4, in babinet 1 also
Equipped with a drive bevel gear 15, the drive bevel gear 14 is engaged with drive bevel gear 15；15 and one umbrella tooth of drive bevel gear
Wheel shaft is connected, and the angular wheel shaft is connected after stretching out babinet 1 with an output bevel gear wheel.Assembling is in use, the angular wheel shaft stretches into
In traveling box, and it is connected by output bevel gear wheel with walking bevel gear, so as to drive mini-tiller walking and farming.
A selector fork assembly 12 is equipped with 1 side wall of babinet, by the selector fork assembly 12 transmission can be driven double
Join axial movement of the gear 9 along countershaft 4, and in moving process, the left gear of transmission duplicate gear 9 can be with back gear
Or one grade of driving gear 6 engages, the right gear of transmission duplicate gear 9 can be engaged with two grades of driving gears 7, be driven duplicate gear
The slave pawl on 9 right sides can be engaged with the active pawl in the left side of third gear driven gear 10.When it is implemented, the selector fork
Assembly 12 includes shift fork axle, transmission arm and shift fork block, and the shift fork axle is rotatablely connected with babinet 1, and the upper end of transmission arm is with dialling
Fork shaft is connected, and lower end is rotatablely connected with shift fork block, which is arranged between transmission duplex-gear left gear and right gear；In this way,
Shift fork block can either be between left gear and right gear along the circumferential slip of transmission duplex-gear, so as to drive transmission duplex-gear to move
It is dynamic.A shift bar 13 is equipped with the outside of babinet 1, which is fixedly connected with shift fork axle, being capable of band by the shift bar 13
Dynamic shift fork axle rotates, and then drives transmission duplicate gear 9 to be moved along the axle center of countershaft 4.
During actual processing, an arc-shaped gear position locating board 16 is equipped with below transmission arm, in gear position locating board 16
It is equipped with 5 locating slots：It is successively from left to right：Reverse gear locating slot, one grade of locating slot, neutral gear locating slot, two grades of locating slots and
Third gear locating slot.A groove is equipped with the lower end of transmission arm, a spring and locking ball are equipped with the groove, in the work of spring
Under, locking ball protrusion and groove, and contacted with gear position locating board 16.
Finally it should be noted that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, it will be understood by those of ordinary skill in the art that, those are modified the technical solution of the utility model or are equal
Replace, without departing from the objective and scope of the technical program, should all cover among the right of the utility model.
Claims (6)
1. a kind of mini-tiller multi-speed gear box assembly, including gearbox body, are equipped with clutch assembly, main shaft, pair in babinet
Axis and reversing shaft, the main shaft are connected with clutch assembly, it is characterised in that：From left to right it is equipped with reverse gear successively on main shaft
Driving gear, one grade of driving gear, two grades of driving gears and third speed drive gear, the reverse driving gear, one grade of active
Gear, two grades of driving gears and third speed drive gear can be rotated synchronously with driving shaft；A transmission duplex is equipped with countershaft
Gear and third gear driven gear, active pawl is equipped with the left surface of third gear driven gear, in the right flank of transmission duplicate gear
Corresponding active pawl is equipped with from pawl；Wherein, the transmission duplicate gear is slidably connected by feather key and countershaft, the third gear
Driven gear empty set engages on countershaft, and with third speed drive gear；A reverse gear driven gear, the reverse gear are equipped with reversing shaft
Driven gear is engaged with reverse driving gear；
A selector fork assembly is equipped with wall box, transmission duplicate gear can be driven along pair by the selector fork assembly
The axial movement of axis, and in moving process, the left gear for being driven duplicate gear can be with back gear or one grade of driving tooth
Wheel engagement, being driven the right gear of duplicate gear can engage with two grades of driving gears, the slave pawl being driven on the right side of duplicate gear
It can be engaged with the active pawl on the left of third gear driven gear.
A kind of 2. mini-tiller multi-speed gear box assembly according to claim 1, it is characterised in that：In the end of countershaft also
Equipped with a drive bevel gear, a drive bevel gear is additionally provided with babinet, the drive bevel gear is engaged with drive bevel gear；Should
Drive bevel gear is connected with an angular wheel shaft, and the angular wheel shaft is connected after stretching out babinet with an output bevel gear wheel.
A kind of 3. mini-tiller multi-speed gear box assembly according to claim 1, it is characterised in that：The selector fork is total
It is connected into including shift fork axle, transmission arm and shift fork block, the shift fork axle with body pivot, upper end and the shift fork axle phase of transmission arm
Even, lower end is rotatablely connected with shift fork block, which is arranged between transmission duplex-gear left gear and right gear；Outside the enclosure side is set
There is a shift bar, which is fixedly connected with shift fork axle, shift fork axle can be driven to rotate by the shift bar, and then drives and pass
Dynamic duplicate gear is moved along the axle center of countershaft.
A kind of 4. mini-tiller multi-speed gear box assembly according to claim 3, it is characterised in that：Set below transmission arm
There is an arc-shaped gear position locating board, 5 locating slots are equipped with gear position locating board；A groove is equipped with the lower end of transmission arm,
A spring and locking ball are equipped with the groove, under the action of the spring, locking ball protrusion and groove, and positioned with gear
Plate contacts.
A kind of 5. mini-tiller multi-speed gear box assembly according to claim 1, it is characterised in that：The back gear and
One grade of driving gear is molded as one with driving shaft；Two grades of driving gears and third speed drive gear pass through spline and driving shaft phase
Even.
A kind of 6. mini-tiller multi-speed gear box assembly according to claim 1, it is characterised in that：The active pawl and
It is unidirectional pawl from pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313766.0U CN207246340U (en) | 2017-10-12 | 2017-10-12 | A kind of mini-tiller multi-speed gear box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313766.0U CN207246340U (en) | 2017-10-12 | 2017-10-12 | A kind of mini-tiller multi-speed gear box assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246340U true CN207246340U (en) | 2018-04-17 |
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ID=61890057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721313766.0U Active CN207246340U (en) | 2017-10-12 | 2017-10-12 | A kind of mini-tiller multi-speed gear box assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246340U (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 |
-
2017
- 2017-10-12 CN CN201721313766.0U patent/CN207246340U/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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