CN212536576U - Gearbox for mini-tiller - Google Patents
Gearbox for mini-tiller Download PDFInfo
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- CN212536576U CN212536576U CN202021246886.5U CN202021246886U CN212536576U CN 212536576 U CN212536576 U CN 212536576U CN 202021246886 U CN202021246886 U CN 202021246886U CN 212536576 U CN212536576 U CN 212536576U
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Abstract
The utility model discloses a gearbox used on a mini-tiller, which comprises a left box body and a right box body, wherein a power input shaft gear group, a driving transmission shaft gear group, a driven transmission wheel gear group, a reverse gear transmission shaft gear group, a front wheel power output shaft group, a rear wheel power output shaft group and a power input shifting fork device are arranged in the left box body and the right box body; the driving transmission shaft tooth group comprises a driving shaft, a front driving gear, a rear driving force output gear and a rear driving main linkage gear, the driven transmission wheel tooth group comprises a driven shaft, a front driving driven gear, a front driving force output gear and a rear driving driven gear, and the reverse transmission shaft tooth group comprises a reverse shaft and a reverse gear; the power input shaft gear group comprises a power shaft and power transmission gears, and the power transmission gears can axially move along the power shaft through a power input shifting fork device to realize a plurality of gear driving modes. The utility model discloses can make the machine of ploughing a little realize multiple drive mode switching, the better operation that is applicable to various field topography farming, convenient machine of ploughing a little is used.
Description
Technical Field
The utility model particularly relates to a gearbox for ploughing machine a little.
Background
The mini-tiller is a small scarifier, has the advantages of light weight, small volume and the like, so that the mini-tiller is widely applied to large scarification machines which cannot be used, hilly areas with larger gradients, mountain orchards and the like, and is also suitable for scarification operation in a small area; the mini-tiller mainly uses a small gasoline engine or a diesel engine as a power device, and in order to facilitate operation and use, the conventional mini-tiller is mostly provided with a gearbox for power transmission operation to carry out connection transmission.
The gearbox installed on the existing mini-tiller is simple in structure, only power on an engine can be transmitted to a front wheel tool rest or a rear wheel to carry out driving cultivation, a single front-driving or rear-driving mode is good when cultivation is carried out in a relatively flat field, but the problem that driving ground grabbing force is not strong and uniform can occur when the mini-tiller is operated in the face of a field terrain with a relatively complex terrain, so that the mini-tiller is relatively difficult to operate, and labor and trouble are caused in use and operation.
Disclosure of Invention
The utility model aims at solving the problem of proposing in the above-mentioned background art, a gearbox for ploughing machine a little is provided.
In order to achieve the above purpose, the technical scheme of the utility model is that: a gearbox for a mini-tiller comprises a left box body and a right box body, wherein a power input shaft tooth group, a driving transmission shaft tooth group, a driven transmission wheel tooth group, a reverse gear transmission shaft tooth group, a front wheel power output shaft group, a rear wheel power output shaft group and a power input shifting fork device are arranged in the left box body and the right box body;
the driving transmission shaft gear set comprises a driving shaft, a front driving gear, a rear driving force output gear and a rear driving main linkage gear, the front driving gear, the rear driving gear, the driving shaft and the rear driving main linkage gear are arranged on the driving shaft and synchronously rotate, and the rear driving main linkage gear is in transmission connection with the rear wheel power output shaft set; the driven transmission wheel tooth group comprises a driven shaft, a front drive driven gear, a front drive power output gear and a rear drive driven gear, the front drive driven gear is arranged on the driven shaft and is connected with the front drive gear for transmission and can synchronously drive the driven shaft and the front drive power output gear to rotate, a transmission chain is arranged between the front drive power output gear and the front wheel power output shaft group for transmission connection, and the rear drive driven gear is connected with a rear drive main linkage gear for transmission; the reverse gear transmission shaft tooth group comprises a reverse gear shaft and a reverse gear which is arranged on the reverse gear shaft and is connected with the rear drive gear for transmission;
the power input shaft gear group comprises a power shaft and power transmission gears, the power transmission gears can axially move along the power shaft through a power input shifting fork device to realize a plurality of gear driving modes, and the power transmission gears respectively drive a front-drive gear to rotate, a front-drive gear and a rear-drive gear to synchronously rotate, a rear-drive gear to rotate, a reverse gear to rotate and self idle rotation states.
And a clutch shifting fork device is arranged in the left box body and the right box body, and can shift the rear-drive driven gear to axially move along the driven shaft and to be meshed or separated with the rear-drive output gear.
And the driving shaft is provided with a front-drive main linkage gear which is connected with the transmission between the front-drive gear and the front-drive driven gear.
The rear driving force output gear comprises a rear driving driven output auxiliary gear and a rear driving force output main gear, the rear driving force output main gear is in transmission connection with the rear wheel power output shaft group, and the rear driving driven output auxiliary gear is in transmission connection with the rear driving driven gear.
The rear-drive driven gear comprises a rear-drive driven main gear and a rear-drive driven auxiliary gear, the rear-drive driven main gear is meshed with the rear-drive main linkage gear, the rear-drive driven auxiliary gear is meshed with the rear-drive driven output auxiliary gear, and the clutch shifting fork device shifts the rear-drive driven auxiliary gear of the rear-drive driven gear to be meshed with or separated from the driven output auxiliary gear.
The reverse gear comprises a reverse gear main tooth and a reverse gear auxiliary tooth, the reverse gear main tooth can be meshed with the power transmission tooth and is connected with the rear drive gear in a meshed mode.
The rear wheel power output shaft group comprises a central transmission disc and rear transmission wheel shafts arranged on two sides of the central transmission disc, a central disc linkage gear is arranged on the central transmission disc, and an integrated rear transmission wheel tooth is arranged on each rear transmission wheel shaft.
And shaft grooves which are correspondingly positioned with the driving shaft, the power shaft, the driven shaft and the reverse gear shaft and shaft holes which are correspondingly positioned with the rear transmission wheel shaft, the power input shifting fork device and the clutch shifting fork device are respectively arranged in the left box body and the right box body.
Adopt above technical scheme, the utility model discloses following beneficial effect has:
compared with the prior art, the utility model discloses a power input shift fork device carries out the axial along the power shaft with the power transmission tooth in the power input shaft tooth group and stirs, can realize a plurality of drive mode of gearbox, be preceding drive mode when power transmission tooth and forerunner gear meshing transmission, four drive mode around when power transmission tooth and forerunner gear and the backrunner gear meshing transmission, be the backdrive mode when power transmission tooth and the backrunner gear meshing transmission, be the drive mode of backing off when power transmission tooth and the backrunner gear meshing transmission, a position power transmission tooth is in idle running state in addition, be the neutral running mode, the utility model discloses the gearbox is installed and is realized multiple drive mode switching on ploughing the machine a little, better be applicable to various field topography cultivations to convenient the operation of ploughing the machine a little is used.
Drawings
Fig. 1 is an exploded view of the present invention;
FIG. 2 is a perspective view of the connection between the gear tooth sets of the present invention;
FIG. 3 is an exploded view of the rear wheel power take-off shaft assembly of the present invention;
fig. 4 is a perspective view of the present invention.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1 to 4, the utility model provides a gearbox for a mini-tiller, which comprises a left box body 1 and a right box body 2, wherein a power input shaft gear group 3, a driving transmission shaft gear group 4, a driven transmission wheel gear group 5, a reverse gear transmission shaft gear group 6, a front wheel power output shaft group 7, a rear wheel power output shaft group 8 and a power input shifting fork device 9 are arranged in the left box body 1 and the right box body 2; the power input shaft tooth group 3 comprises a power shaft 10 and power transmission teeth 11, the power shaft 10 is in transmission connection with an engine, a connecting shifting tooth groove 12 is formed in the power shaft 10, and the power input shifting fork device 9 can enable the power transmission teeth 11 to shift along the connecting shifting tooth groove 12 so as to realize multiple power driving modes;
the driving transmission shaft gear group 4 comprises a driving shaft 13, a front driving gear 14, a rear driving gear 15, a rear driving force output gear 16 and a rear driving main linkage gear 17, wherein the front driving main linkage gear 18 is arranged on the driving shaft 13, the front driving main linkage gear 18 and the front driving gear 14 rotate synchronously, the rear driving gear 15, the driving shaft 13 and the rear driving main linkage gear 17 rotate synchronously, and the rear driving main linkage gear 17 is in transmission connection with the rear wheel power output shaft group 8;
the driven transmission wheel tooth group 5 comprises a driven shaft 19, a front drive driven gear 20, a front drive power output gear 21 and a rear drive driven gear 22 which are arranged on the driven shaft 19, a front drive main linkage gear 18 is meshed with the front drive driven gear 20 and is in transmission connection with the transmission between the front drive gear 14 and the front drive driven gear 20, so that the driven shaft 19 and the front drive power output gear 21 are synchronously driven to rotate, and a transmission chain 23 is arranged between the front drive power output gear 21 and the front wheel power output shaft group 7 for transmission connection; the rear-drive driven gear 22 comprises a rear-drive driven main tooth 24 and a rear-drive driven auxiliary tooth 25, the rear-drive force output gear 16 comprises a rear-drive driven output auxiliary tooth 26 and a rear-drive force output main tooth 27, the rear-drive driven main tooth 24 is meshed with the rear-drive main linkage gear 17, the rear-drive driven auxiliary tooth 25 is meshed with the rear-drive driven output auxiliary tooth 26, and the rear-drive force output main tooth 27 is in transmission connection with the rear-wheel power output shaft group 8;
the reverse gear transmission shaft tooth group 6 comprises a reverse gear shaft 28 and a reverse gear 29 arranged on the reverse gear shaft 28, the reverse gear 29 comprises a reverse gear main tooth 30 and a reverse gear auxiliary tooth 31, the reverse gear main tooth 30 can be meshed with the power transmission tooth 11, and the reverse gear auxiliary tooth 31 is meshed with the rear drive gear 15;
the power transmission teeth 11 axially move along a connecting shifting tooth slot 12 on the power shaft through a power input shifting fork device 9 to realize a plurality of gear driving modes, namely driving a front driving gear 14 to rotate, driving the front driving gear 14 and a rear driving gear 15 to synchronously rotate, driving the rear driving gear 15 to rotate, driving a reverse gear 29 to rotate and in a self idle state; meanwhile, clutch fork devices 32 are further arranged in the left box body 1 and the right box body 2, a clutch gear sleeve 33 connected with the rear-drive driven gear 22 is arranged on the driven shaft 19, and the clutch fork devices 32 can shift the rear-drive driven gear 22 to axially move relative to the driven shaft 19 along the clutch gear sleeve 33 and to be meshed with or separated from the rear-drive force output gear 16, so that clutch operation can be carried out in a rear-drive driving mode;
the rear wheel power output shaft group 8 comprises a central transmission disc 34 and rear transmission wheel shafts 35 arranged on two sides of the central transmission disc 34, a central disc linkage gear 36 is arranged on the central transmission disc 34, an integrated rear transmission wheel tooth 37 is arranged on each rear transmission wheel shaft 35, the conventional rear transmission wheel shaft 35 and the conventional rear transmission wheel tooth 37 are connected in a welding mode, and compared with the conventional structure, the rear transmission wheel shaft 35 and the rear transmission wheel tooth 37 are integrally designed, so that the transmission stability can be improved, and the service life of the rear transmission wheel shaft is prolonged;
and the left box body 1 and the right box body 2 are internally provided with shaft grooves 38 which are correspondingly positioned with the driving shaft 13, the power shaft 10, the driven shaft 19 and the reverse gear shaft 28, and shaft holes 39 which are correspondingly positioned with the rear transmission wheel shaft 3, the power input shifting fork device 95 and the clutch shifting fork device 32.
The working principle of the present invention is further explained as follows:
when the power transmission device is used in a front-driving mode, the power input shifting fork device 9 shifts the power transmission gear 11 to be meshed with the front-driving gear 14, the power transmission gear 11 drives the front-driving gear 14 to be meshed with the front-driving main linkage gear 18 to rotate, the front-driving main linkage gear 18 drives the front-driving driven gear 20 to rotate, and the front-driving gear 14 and the driven shaft 19 synchronously rotate, so that power is transmitted to the front-wheel power output shaft group 7 through the front-driving power output gear 21 and the transmission chain 23 on the driven shaft 19 to realize the front-driving mode;
when the rear-drive type automatic transmission device is used in a rear-drive mode, the power input shifting fork device 9 shifts the power transmission teeth 11 to be meshed with the rear-drive gear 15, the rear-drive gear 15 drives the driving shaft 13 and the rear-drive main linkage gear 17 to synchronously rotate, the rear-drive main linkage gear 17 is meshed with the rear-drive driven main teeth 24 of the driven gear o to drive the driven gear o to rotate, the driven gear o is meshed with the rear-drive driven output auxiliary teeth 26 on the rear-drive force output gear 16 through the rear-drive driven auxiliary teeth 25 of the driven gear o to drive the rear-drive force output gear 16 to rotate, and finally, the rear-drive force output main teeth 27 on the rear-drive force output gear 16 output the rotation to the rear-drive force output shaft group 8 to realize the rear-drive mode;
when the four-wheel drive type transmission device is used in a four-wheel drive mode, the power input shifting fork device 9 shifts the power transmission teeth 11 to be simultaneously meshed with the front drive gear 14 and the rear drive gear o, and the front drive gear 14 and the rear drive gear 15 simultaneously carry out respective transmission, such as the power transmission in the front drive mode and the power transmission in the rear drive mode, so that the four-wheel drive mode is realized;
when the transmission device is used in a reverse gear mode, the power input shifting fork device 9 shifts the power transmission teeth 11 to be meshed with the reverse gear main teeth 30 of the reverse gear 29, the reverse gear 29 rotates to drive the rear drive gear 15 to rotate through the reverse gear auxiliary teeth 31 on the reverse gear, the rotating direction of the rear drive gear 15 is opposite to that of the rear drive gear in the rear drive mode, so that the transmission directions of the rear gears are opposite to that of the rear drive mode, and finally, the rear wheel power output shaft group 8 is used for transmission to realize the reverse gear mode;
when the power input shifting fork device is used in a neutral gear mode, the power input shifting fork device 9 shifts the power transmission teeth 11 to ensure that the power transmission teeth are not meshed with any gear piece, so that the power input shifting fork device is in an idle state to realize the neutral gear mode.
The gearbox for the mini-tiller provided by the embodiment of the invention is described in detail, a specific example is applied to explain the principle and the implementation mode of the invention, and the description of the above embodiment is only used for helping to understand the technical scheme disclosed by the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. The utility model provides a gearbox for ploughing machine a little, includes left box, right box, its characterized in that: a power input shaft tooth group, a driving transmission shaft tooth group, a driven transmission wheel tooth group, a reverse gear transmission shaft tooth group, a front wheel power output shaft group, a rear wheel power output shaft group and a power input shifting fork device are arranged in the left box body and the right box body;
the driving transmission shaft gear set comprises a driving shaft, a front driving gear, a rear driving force output gear and a rear driving main linkage gear, the front driving gear, the rear driving gear, the driving shaft and the rear driving main linkage gear are arranged on the driving shaft and synchronously rotate, and the rear driving main linkage gear is in transmission connection with the rear wheel power output shaft set; the driven transmission wheel tooth group comprises a driven shaft, a front drive driven gear, a front drive power output gear and a rear drive driven gear, the front drive driven gear is arranged on the driven shaft and is connected with the front drive gear for transmission and can synchronously drive the driven shaft and the front drive power output gear to rotate, a transmission chain is arranged between the front drive power output gear and the front wheel power output shaft group for transmission connection, and the rear drive driven gear is connected with a rear drive main linkage gear for transmission; the reverse gear transmission shaft tooth group comprises a reverse gear shaft and a reverse gear which is arranged on the reverse gear shaft and is connected with the rear drive gear for transmission;
the power input shaft gear group comprises a power shaft and power transmission gears, the power transmission gears can axially move along the power shaft through a power input shifting fork device to realize a plurality of gear driving modes, and the power transmission gears respectively drive a front-drive gear to rotate, a front-drive gear and a rear-drive gear to synchronously rotate, a rear-drive gear to rotate, a reverse gear to rotate and self idle rotation states.
2. The gearbox for the micro-cultivator of claim 1, wherein: and a clutch shifting fork device is arranged in the left box body and the right box body, and can shift the rear-drive driven gear to axially move along the driven shaft and to be meshed or separated with the rear-drive output gear.
3. The gearbox for the micro-cultivator of claim 1, wherein: and the driving shaft is provided with a front-drive main linkage gear which is connected with the transmission between the front-drive gear and the front-drive driven gear.
4. The gearbox for the mini-tiller according to claim 2, characterized in that: the rear driving force output gear comprises a rear driving driven output auxiliary gear and a rear driving force output main gear, the rear driving force output main gear is in transmission connection with the rear wheel power output shaft group, and the rear driving driven output auxiliary gear is in transmission connection with the rear driving driven gear.
5. The gearbox for the micro-cultivator of claim 4, wherein: the rear-drive driven gear comprises a rear-drive driven main gear and a rear-drive driven auxiliary gear, the rear-drive driven main gear is meshed with the rear-drive main linkage gear, the rear-drive driven auxiliary gear is meshed with the rear-drive driven output auxiliary gear, and the clutch shifting fork device shifts the rear-drive driven auxiliary gear of the rear-drive driven gear to be meshed with or separated from the driven output auxiliary gear.
6. The gearbox for the micro-cultivator of claim 1, wherein: the reverse gear comprises a reverse gear main tooth and a reverse gear auxiliary tooth, the reverse gear main tooth can be meshed with the power transmission tooth and is connected with the rear drive gear in a meshed mode.
7. The gearbox for the micro-cultivator of claim 1, wherein: the rear wheel power output shaft group comprises a central transmission disc and rear transmission wheel shafts arranged on two sides of the central transmission disc, a central disc linkage gear is arranged on the central transmission disc, and an integrated rear transmission wheel tooth is arranged on each rear transmission wheel shaft.
8. The gearbox for the micro-cultivator of claim 1, wherein: and shaft grooves which are correspondingly positioned with the driving shaft, the power shaft, the driven shaft and the reverse gear shaft and shaft holes which are correspondingly positioned with the rear transmission wheel shaft, the power input shifting fork device and the clutch shifting fork device are respectively arranged in the left box body and the right box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246886.5U CN212536576U (en) | 2020-07-01 | 2020-07-01 | Gearbox for mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246886.5U CN212536576U (en) | 2020-07-01 | 2020-07-01 | Gearbox for mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536576U true CN212536576U (en) | 2021-02-12 |
Family
ID=74522190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021246886.5U Active CN212536576U (en) | 2020-07-01 | 2020-07-01 | Gearbox for mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536576U (en) |
-
2020
- 2020-07-01 CN CN202021246886.5U patent/CN212536576U/en active Active
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