CN203130943U - Gear-shift speed-changing mechanism of mini-tiller and mini-tiller with same - Google Patents
Gear-shift speed-changing mechanism of mini-tiller and mini-tiller with same Download PDFInfo
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- CN203130943U CN203130943U CN 201320055779 CN201320055779U CN203130943U CN 203130943 U CN203130943 U CN 203130943U CN 201320055779 CN201320055779 CN 201320055779 CN 201320055779 U CN201320055779 U CN 201320055779U CN 203130943 U CN203130943 U CN 203130943U
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- gear
- tooth
- countershaft
- scroll bar
- microtilling machine
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Abstract
The utility model discloses a gear-shift speed-changing mechanism of a mini-tiller. The gear-shift speed-changing mechanism comprises a case body, a main shaft assembly, a gear-shift speed-changing assembly and a gear-reversing assembly, wherein the gear-shift speed-changing assembly comprises an auxiliary shaft, a synchronous duplex gear, an auxiliary shaft gear-shift gear, a gear-shift duplex gear, an auxiliary shaft gear ring and a worm, wherein the synchronous duplex gear, the auxiliary shaft gear-shift gear, the gear-shift duplex gear, the auxiliary shaft gear ring and the worm are sequentially sleeved outside of the auxiliary shaft. The gear-shift speed-changing mechanism further comprises a worm meshing gear used for controlling the auxiliary shaft gear ring and the worm to be meshed or separated, wherein the worm meshing gear is sleeved outside the worm and can move axially along the worm. The auxiliary shaft gear-shift gear, the gear-shift duplex gear and the worm meshing gear are matched with one another, accordingly speed changing of the mini-tiller in walking is achieved, gears are multiple, the speed of the mini-tiller is flexible to control, and selectivity is strong under different environments. The utility model further discloses the mini-tiller with the gear-shift speed-changing mechanism, the mini-tiller had the advantages of being little in power loss, low in failure rate and strong in reliability, and additionally, the mini-tiller has low work noise and can normally work under various complicated work sites and environments.
Description
Technical field
The utility model relates to the microtilling machine field, particularly a kind of microtilling machine shifting mechanism and microtilling machine thereof.
Background technique
Microtilling machine is as a kind of small-sized agricultural mechanical device, ploughing, bringing into play increasing effect in farming, pruning and the weeding.And in the prior art, deficiencies such as the shifting mechanism ubiquity complex structure of microtilling machine, power transmission line be long to make that the transmission of power reliability reduces, gear-change operation inconvenience and very flexible, stability are low, can not run well for a long time under the situation relatively more abominable at working environment, that lubricating condition is relatively poor, can not satisfy the needs of agricultural production
Therefore, need the shifting mechanism of microtilling machine be improved, make that it is simple in structure, transmission of power is reliable, gear shift is flexible, speed control is more flexible, and under varying environment, alternative is stronger.
The model utility content
In view of this, the utility model provides a kind of microtilling machine shifting mechanism and microtilling machine thereof, and is simple in structure, transmission of power is reliable, gear shift is flexible, and speed control is more flexible, and under varying environment, alternative is stronger.
Microtilling machine shifting mechanism of the present utility model comprises casing, spindle part, shifted assembly and reverse gear assembly, and described spindle part comprises the main shaft duplex tooth that is fixed in described main shaft for main shaft and overcoat with the power input;
Described shifted assembly comprises countershaft and is coated at the synchronous duplex tooth of described countershaft, countershaft gear shift tooth, gear shift duplex tooth, countershaft gear ring and scroll bar successively, described countershaft gear shift tooth flexibly connects by described synchronous duplex tooth and described gear shift duplex tooth, described countershaft gear shift tooth and described main shaft often mesh, and described countershaft gear shift tooth and described gear shift duplex tooth can move axially and with described countershaft gear ring and described main shaft duplex tooth engagement driving and be used for stopping and travelling speed of control microtilling machine along described countershaft; Comprise that also described scroll bar engaging tooth is coated at described scroll bar and can moves axially along described scroll bar for the described countershaft gear ring of control and described scroll bar engagement and the scroll bar engaging tooth that separates;
Described reverse gear assembly comprises that reverse gear shaft and overcoat are fixed in described reverse gear shaft and for the reverse gear that cooperates control wheel backward with countershaft gear shift tooth and gear shift duplex tooth engagement driving, described reverse gear and described main shaft often mesh.
Further, also comprise for the driven unit of accelerating the complete machine speed of travel, described driven unit comprises that live axle and overcoat are fixed in driving gearwheel and the driving pinion of described live axle, when described driving pinion and described scroll bar engaging tooth engagement driving, described driving gearwheel and described countershaft gear ring engagement fit also accelerate the complete machine speed of travel.
Further, described scroll bar and described scroll bar engaging tooth abutting end and described countershaft gear ring are the external splines structure; Described scroll bar engaging tooth, described countershaft gear shift tooth and described gear shift duplex tooth are the internal spline structure.
Further, described main shaft is male splined shaft, comprise for first spline part that is connected with engine power output terminal spline, be used for second spline part is connected with described main shaft duplex tooth spline and be used for and the 3rd spline part of the normal engagement of described reverse gear, described the 3rd spline part between described first spline part and described second spline part also an end link to each other with described second spline part.
Further, described the 3rd spline part double wedge radial height is greater than the described second spline part double wedge radial height.
Further, also comprise the walking assembly, described walking assembly comprise for the turbine that cooperates with described scroll bar engagement driving and in be placed in described turbine and be used for drive the walking turbine shaft of wheel walking.
Further, the outer clutch spline housing I that is connected and is used for the walking of control microtilling machine and stops with described worm gear drive that is arranged with on the described walking turbine shaft.
Further, described walking turbine shaft is split-type structural, comprises revolver axle and right wheel shaft.
Further, described countershaft one end stretches out described casing, and described countershaft stretches out described cabinet end and is equipped with for the clutch spline housing II that realizes power output.
The invention also discloses a kind of microtilling machine of using described microtilling machine shifting mechanism, install on the described microtilling machine and use described microtilling machine shifting mechanism.
The beneficial effects of the utility model: microtilling machine shifting mechanism of the present utility model, the effect of cooperatively interacting by countershaft gear shift tooth, gear shift duplex tooth and three gearshifts of scroll bar engaging tooth, thereby realized the walking speed change of microtilling machine, the gear setting is more, the control of microtilling machine speed is more flexible, under varying environment, alternative is stronger; The invention also discloses a kind of microtilling machine of using described microtilling machine shifting mechanism, have that kinetic equation loss is little, strong shock resistance, rate of fault are low, the characteristics of good reliability, and operating noise is little, can be in the work-yard of various complexity and environment proper functioning.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structure assembling schematic representation;
Fig. 3 is the main shaft structure schematic representation.
Embodiment
Fig. 1 is the utility model structural representation, Fig. 2 is the utility model structure assembling schematic representation, Fig. 3 is the main shaft structure schematic representation, as shown in the figure: the microtilling machine shifting mechanism of present embodiment, comprise casing 1, spindle part, shifted assembly and reverse gear assembly, certainly, also be provided with reverse shift fork in the casing in the present embodiment, and be provided with for the drive unit that drives reverse shift fork, be used for adjusting the position of scroll bar engaging tooth, countershaft gear shift tooth and gear shift duplex tooth, belong to prior art, do not repeat them here;
Described spindle part comprises the main shaft duplex tooth 3 that is fixed in described main shaft 2 for main shaft 2 and overcoat with the power input;
Described shifted assembly comprises countershaft 4 and is coated at the synchronous duplex tooth of described countershaft 4, countershaft gear shift tooth 5, gear shift duplex tooth 6, countershaft gear ring 7 and scroll bar 9 successively, described countershaft gear shift tooth 5 flexibly connects by described synchronous duplex tooth and described gear shift duplex tooth 6, described countershaft gear shift tooth 5 often mesh with described main shaft 2, and described countershaft gear shift tooth 5 and described gear shift duplex tooth 6 can move axially and with described countershaft gear ring 7 and described main shaft duplex tooth 3 engagement driving and be used for controlling stopping and travelling speed of microtilling machine along described countershaft 4; Comprise that also described scroll bar engaging tooth 8 is coated at described scroll bar 9 and can moves axially along described scroll bar 9 for the described countershaft gear ring 7 of control and described scroll bar 9 engagements and the scroll bar engaging tooth 8 that separates; Main shaft duplex tooth, synchronous duplex tooth and gear shift duplex tooth are two toothings, comprise canine tooth and little tooth, the duplex tooth does not indicate in the drawings synchronously, its canine tooth and the engagement of gear shift duplex tooth, little tooth and the engagement of countershaft gear shift tooth keep gear shift duplex tooth and countershaft gear shift tooth to flexibly connect; Stir the scroll bar engaging tooth, when countershaft gear ring and scroll bar are meshed together, have only this moment countershaft gear shift tooth and main shaft engagement to keep transmission, the bulk velocity of microtilling machine is slow partially; Make itself and scroll bar engagement when stirring the scroll bar engaging tooth, and scroll bar separates with the countershaft gear ring, in any case stir countershaft gear shift tooth and gear shift duplex tooth this moment, microtilling machine integral body all is neutral gear; When stirring countershaft gear shift tooth and gear shift duplex tooth adjustment gear, to stir the scroll bar engaging tooth earlier, make the engagement of countershaft gear ring and scroll bar, putting before this, in the time will toggling it to countershaft microtilling machine direction of advance far away distal-most end for the countershaft gear shift tooth of the cultivated cutter that connects of control countershaft, countershaft gear shift tooth does not mesh with any gear, and be neutral gear this moment; When stirring countershaft gear shift tooth itself and countershaft gear ring are meshed, countershaft maintenance this moment is rotated in the forward but speed is slower; When stirring the engagement of countershaft gear shift tooth and reverse gear, this moment, the countershaft counterrotating was reverse gear; Gear shift duplex tooth is used for controlling the speed of microtilling machine walking, when stirring gear shift duplex tooth to the countershaft distal-most end, and itself and the engagement of countershaft gear ring, this moment is at a slow speed; When stirring the engagement of gear shift duplex tooth and reverse gear, be reverse gear this moment, and countershaft turns round in the other direction, the complete machine backward; Do not mesh with any gear when stirring gear shift duplex tooth, be neutral gear this moment; When stirring the little tooth engagement of gear shift duplex tooth and main shaft duplex tooth, be middling speed this moment; When stirring the engagement of gear shift duplex tooth and main shaft duplex tooth canine tooth, be quick this moment; The easy-to-operat person controls the travelling speed of microtilling machine flexibly, and under different environment, alternative is stronger;
Described reverse gear assembly comprises that reverse gear shaft 10 and overcoat are fixed in described reverse gear shaft 10 and for the reverse gear 11 that cooperates control wheel backward with countershaft gear shift tooth 6 and gear shift duplex tooth 5 engagement driving, described reverse gear 11 often meshes with described main shaft 2;
In the present embodiment, also comprise for the driven unit of accelerating the complete machine speed of travel, described driven unit comprises that live axle 12 and overcoat are fixed in driving gearwheel 14 and the driving pinion 13 of described live axle 12, when described driving pinion and described scroll bar engaging tooth engagement driving, described driving gearwheel and described countershaft gear ring engagement fit also accelerate the complete machine speed of travel; When stirring the scroll bar engaging tooth itself and scroll bar and driving pinion are meshed, and the countershaft gear ring separates with scroll bar, and drive the countershaft gear ring by driving gearwheel, this moment, the bulk velocity of microtilling machine was fast, putting before this, stir countershaft gear shift tooth again and gear shift duplex tooth carries out above-mentioned a series of actions, can realize above-mentioned a series of motion, just this moment microtilling machine speed all want more fast.
In the present embodiment, described scroll bar 9 is the external splines structure with described scroll bar engaging tooth abutting end and described countershaft gear ring 7; Described scroll bar engaging tooth 8, described countershaft gear shift tooth 5 and described gear shift duplex tooth 6 are the internal spline structure; Spline connects and both to have cooperated firmly, has guaranteed that scroll bar engaging tooth, countershaft gear shift tooth and gear shift duplex tooth rotate in company with countershaft and can bear bigger load, has guaranteed the axially movable leading role of duplex change gear again, and is good and guidance quality is good to neutrality.
In the present embodiment, described main shaft 2 is male splined shaft, comprise for first spline part 21 that is connected with engine power output terminal spline, be used for second spline part 22 is connected with described main shaft duplex tooth 3 splines and be used for and the 3rd spline part 23 of the normal engagement of described reverse gear, described the 3rd spline part 23 between described first spline part 21 and described second spline part 22 also an end link to each other with described second spline part 22; Connect stressed comparatively even, main shaft duplex tooth and main shaft good to neutrality, and total area of contact of main shaft duplex tooth and main shaft is bigger, can bear bigger load, has also guaranteed the quality of fit that main shaft and reverse gear tooth mesh simultaneously.
In the present embodiment, the radial height of described the 3rd spline part 23 double wedges is greater than the radial height of described second spline part, 22 double wedges; Can play its axially displaced effect that limits to the main shaft duplex tooth that is connected in second spline part.
In the present embodiment, also comprise the walking assembly, described walking assembly comprise for the turbine that cooperates with described scroll bar 9 engagement driving 15 and in be placed in described turbine and be used for driving the walking turbine shaft 16 of wheel walking; The walking turbine shaft cooperates with the scroll bar transmission by turbine, the precision height, and transmission is effective, and be easy to adjust direction of travel.
In the present embodiment, the outer clutch spline housing I 17 that is connected and is used for the walking of control microtilling machine and stops with described turbine 15 transmissions that is arranged with on the described walking turbine shaft 16; By the contact of clutch spline housing I and turbine with separate, the walking of control microtilling machine with stop, improving travel safety.
In the present embodiment, described walking turbine shaft 16 is split-type structural, comprises revolver axle and right wheel shaft; Easy for removal and installation, for ease of maintenaince; Clutch spline housing I is two, is divided into revolver axle and right wheel shaft.
In the present embodiment, described countershaft 4 one ends stretch out described casing 1, and described countershaft stretches out described cabinet end and is equipped with for the clutch spline housing II that realizes power output; Clutch spline housing II does not indicate in the drawings, can be used for realizing power output, and it can drive the running of ploughing cutter and other equipment.
The invention also discloses a kind of microtilling machine of using described microtilling machine shifting mechanism, install on the described microtilling machine and use described microtilling machine shifting mechanism; Have that kinetic equation loss is little, strong shock resistance, rate of fault are low, the characteristics of good reliability, and operating noise is little, can be in the work-yard of various complexity and environment proper functioning.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. a microtilling machine shifting mechanism comprises casing, spindle part, shifted assembly and reverse gear assembly, it is characterized in that: described spindle part comprises the main shaft duplex tooth that is fixed in described main shaft for main shaft and overcoat with the power input;
Described shifted assembly comprises countershaft and is coated at the synchronous duplex tooth of described countershaft, countershaft gear shift tooth, gear shift duplex tooth, countershaft gear ring and scroll bar successively, described countershaft gear shift tooth flexibly connects by described synchronous duplex tooth and described gear shift duplex tooth, described countershaft gear shift tooth and described main shaft often mesh, and described countershaft gear shift tooth and described gear shift duplex tooth can move axially and with described countershaft gear ring and described main shaft duplex tooth engagement driving and be used for stopping and travelling speed of control microtilling machine along described countershaft; Comprise that also described scroll bar engaging tooth is coated at described scroll bar and can moves axially along described scroll bar for the described countershaft gear ring of control and described scroll bar engagement and the scroll bar engaging tooth that separates;
Described reverse gear assembly comprises that reverse gear shaft and overcoat are fixed in described reverse gear shaft and for the reverse gear that cooperates control wheel backward with countershaft gear shift tooth and gear shift duplex tooth engagement driving, described reverse gear and described main shaft often mesh.
2. microtilling machine shifting mechanism according to claim 1, it is characterized in that: also comprise for the driven unit of accelerating the complete machine speed of travel, described driven unit comprises that live axle and overcoat are fixed in driving gearwheel and the driving pinion of described live axle, when described driving pinion and described scroll bar engaging tooth engagement driving, described driving gearwheel and described countershaft gear ring engagement fit also accelerate the complete machine speed of travel.
3. microtilling machine shifting mechanism according to claim 2, it is characterized in that: described scroll bar and described scroll bar engaging tooth abutting end and described countershaft gear ring are the external splines structure; Described scroll bar engaging tooth, described countershaft gear shift tooth and described gear shift duplex tooth are the internal spline structure.
4. microtilling machine shifting mechanism according to claim 3, it is characterized in that: described main shaft is male splined shaft, comprise for first spline part that is connected with engine power output terminal spline, be used for second spline part is connected with described main shaft duplex tooth spline and be used for and the 3rd spline part of the normal engagement of described reverse gear, described the 3rd spline part between described first spline part and described second spline part also an end link to each other with described second spline part.
5. microtilling machine shifting mechanism according to claim 4, it is characterized in that: described the 3rd spline part double wedge radial height is greater than the described second spline part double wedge radial height.
6. microtilling machine shifting mechanism according to claim 5, it is characterized in that: also comprise the walking assembly, described walking assembly comprise for the turbine that cooperates with described scroll bar engagement driving and in be placed in described turbine and be used for drive the walking turbine shaft of wheel walking.
7. microtilling machine shifting mechanism according to claim 6 is characterized in that: the outer clutch spline housing I that is connected and is used for the walking of control microtilling machine and stops with described worm gear drive that is arranged with on the described walking turbine shaft.
8. microtilling machine shifting mechanism according to claim 7, it is characterized in that: described walking turbine shaft is split-type structural, comprises revolver axle and right wheel shaft.
9. microtilling machine shifting mechanism according to claim 8, it is characterized in that: described countershaft one end stretches out described casing, and described countershaft stretches out described cabinet end and is equipped with for the clutch spline housing II that realizes power output.
10. the microtilling machine of the described microtilling machine shifting mechanism of the application rights requirement arbitrary claim of 1-9 is characterized in that: install on the described microtilling machine and use described microtilling machine shifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320055779 CN203130943U (en) | 2013-01-31 | 2013-01-31 | Gear-shift speed-changing mechanism of mini-tiller and mini-tiller with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320055779 CN203130943U (en) | 2013-01-31 | 2013-01-31 | Gear-shift speed-changing mechanism of mini-tiller and mini-tiller with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130943U true CN203130943U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320055779 Withdrawn - After Issue CN203130943U (en) | 2013-01-31 | 2013-01-31 | Gear-shift speed-changing mechanism of mini-tiller and mini-tiller with same |
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| Country | Link |
|---|---|
| CN (1) | CN203130943U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115117A (en) * | 2013-01-31 | 2013-05-22 | 重庆大久科技发展有限公司 | Mini-tiller gear shift speed change mechanism and mini-tiller thereof |
| CN104653721A (en) * | 2013-11-21 | 2015-05-27 | 李斯端 | Mini-tiller variable speed transmission mechanism |
| CN108625850A (en) * | 2016-06-01 | 2018-10-09 | 泉州市海恩德机电科技发展有限公司 | A kind of drive of sandstone machine two-layer equation eight running gear |
-
2013
- 2013-01-31 CN CN 201320055779 patent/CN203130943U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115117A (en) * | 2013-01-31 | 2013-05-22 | 重庆大久科技发展有限公司 | Mini-tiller gear shift speed change mechanism and mini-tiller thereof |
| CN103115117B (en) * | 2013-01-31 | 2015-09-30 | 重庆大久科技发展有限公司 | Microtilling machine shifting mechanism and microtilling machine thereof |
| CN104653721A (en) * | 2013-11-21 | 2015-05-27 | 李斯端 | Mini-tiller variable speed transmission mechanism |
| CN108625850A (en) * | 2016-06-01 | 2018-10-09 | 泉州市海恩德机电科技发展有限公司 | A kind of drive of sandstone machine two-layer equation eight running gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |