CN203801218U - Mini-type rotary cultivator - Google Patents
Mini-type rotary cultivator Download PDFInfo
- Publication number
- CN203801218U CN203801218U CN201420227913.2U CN201420227913U CN203801218U CN 203801218 U CN203801218 U CN 203801218U CN 201420227913 U CN201420227913 U CN 201420227913U CN 203801218 U CN203801218 U CN 203801218U
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- China
- Prior art keywords
- worm
- gear
- shaft
- clutch
- arc tooth
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Abstract
The utility model discloses a mini-type rotary cultivator. The mini-type rotary cultivator comprises an engine, a clutch reducer and a drive device. The drive device comprises a gear and worm box and an arc-shaped bevel gear box. The gear and worm box is provided with a gear and a walking shaft. Running wheels are respectively arranged at two ends of the walking shaft. The arc-shaped bevel gear box is provided with a big arc tooth bevel gear and a rotary-cultivation shaft. An inner chamber of the gear and worm box is communicated with an inner chamber of the arc-shaped bevel gear box through an inner chamber of a connecting rod sleeve. A worm shaft is arranged in the connecting rod sleeve. A worm is arranged in the middle of the worm shaft and matched and engaged with the gear. A small arc tooth bevel gear is arranged at the right end of the worm shaft and matched and engaged with the big arc tooth bevel gear. An output shaft of the engine drives the worm shaft to rotate through the clutch reducer, then the gear is driven by the worm of the worm shaft to rotate, and the small arc tooth bevel gear on the worm shaft drives the big arc tooth bevel gear to rotate. The mini-type rotary cultivator is an all-gear system, smooth in drive, good in use effect, long in service and novel in structure.
Description
Technical field
The utility model relates to a kind of miniature rotary cultivator, belongs to agricultural machinery technological field.
Background technology
Chinese utility model patent document CN202979602U discloses a kind of orchard self-propelled minisize rotary cultivator, this machine comprises worm and gear Dual Drive transmission case, this transmission case is arranged on the bottom on chassis, inside comprises the front worm gear speed changer and the rear worm wheel speed changer that are connected by worm shaft, wherein rear worm wheel speed changer is by the engine connection for transmission on its top, the front worm-wheel shaft two ends output of front worm gear speed changer connects rotary blade, and the rear worm wheel axle two ends output of rear worm wheel speed changer connects active wheel.From this patent documentation Figure of description 1, the output shaft of this miniature rotary cultivator engine mission is to worm shaft by belt transmission, worm shaft drives active wheel rotation, worm-wheel shaft rotation before the output shaft of gearbox drives by worm shaft simultaneously, thereby drive rotary blade rotation, this mini-size tillage machine belt transmission is easily skidded, transmission weak effect, worm gear drives rotary tillage shaft rotation size large, and speed reducing ratio is high.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of all-gear drive, the miniature rotary cultivator that transmission is effective.
The technical solution of the utility model is: a kind of miniature rotary cultivator, comprise engine, clutch speed reducer and drive unit, clutch speed reducer is provided with friction disk clutch, friction disk clutch comprises driving disc spacing pressing, friction plate, clutch plate, driving disc spacing pressing drives clutch plate rotation by friction plate, described drive unit comprises worm gear case and bevel gear case, worm gear case is provided with worm gear and walking axle, walking axle is also fixing through the center of worm gear, active wheel is equipped with at walking axle two ends, bevel gear case is provided with large arc tooth conical gear and rotary tillage shaft, rotary tillage shaft is also fixing through the center of large arc tooth conical gear, rotary blade is equipped with at rotary tillage shaft two ends, the inner chamber that the inner chamber of worm gear case and bevel gear case overlaps by connecting rod is connected together, in connecting rod cover, be provided with worm shaft, the centre of worm shaft is provided with worm screw, worm screw is suitable with described worm gear and engage, the right-hand member of worm shaft is provided with little arc tooth conical gear, little arc tooth conical gear is suitable with described large arc tooth conical gear and engage, the output shaft of engine drives worm shaft rotation by clutch speed reducer, worm drive worm gear rotation on worm shaft, little arc tooth conical gear on worm shaft drives large arc tooth conical gear rotation.Above-mentioned clutch speed reducer comprises power clutch case, power clutch box cavity is provided with gear reduction unit, gear reduction unit comprises shift fork, output shaft and jackshaft, output shaft and jackshaft are rotationally connected with on the housing of power clutch case, output shaft is provided with transportable balladeur train, balladeur train left end is provided with the thumb wheel of one, thumb wheel is provided with cannelure, shift fork is positioned at cannelure, engine output shaft is connected with described driving disc spacing pressing, clutch plate is connected with output shaft, jackshaft is provided with idler gear, shift fork is by stirring thumb wheel, make balladeur train be meshed with idler gear or separate, the left end of worm shaft is provided with driven wheel, driven wheel is meshed with idler gear.
Technique effect of the present utility model is: the utility model by gear reduction and by transmission of power to worm shaft, drive the rotation of walking axle by the worm screw, the worm gear that arrange on worm shaft, drive rotary tillage shaft rotation by the little arc tooth conical gear arranging on worm shaft, because the utility model changes belt transmission into gear drive, transmission of power is steady, non-slip.The utility model drives rotary tillage shaft rotation with arc tooth conical gear, and simple in structure, volume is little, stable drive.In addition, the utility model all-gear drive, result of use is good and the life-span is long, and novel structure.
Brief description of the drawings
Fig. 1 is the utility model power transmission arrangment schematic diagram.
Fig. 2 is the utility model gear transmission structure schematic diagram.
Fig. 3 is that the A-A of Fig. 1 is to cutaway view.
Fig. 4 is that the B-B of Fig. 1 is to cutaway view.
In figure, 1, engine, 2, engine output shaft, 3, power clutch case, 4, friction plate, 5, worm gear case, 7, driven wheel, 10, clutch turns round pawl, 11, worm shaft, 12, balladeur train, 13, clutch torsion bar, 14, shift fork, 15, connecting rod cover, 16, bevel gear case, 17, little arc tooth conical gear, 18, large arc tooth conical gear, 19, walking axle, 20, rotary tillage shaft, 21, worm screw, 22, worm gear, 23, clutch plate, 24, friction plate, 25, platen, 26, spring, 27, output shaft, 28, jackshaft, 29, thumb wheel.
Embodiment
Describe in detail below in conjunction with drawings and Examples:
As shown in Figures 1 to 4, a kind of miniature rotary cultivator of the utility model, comprise engine 1, clutch speed reducer and drive unit, engine is connected with drive unit by clutch speed reducer, described drive unit comprises worm gear case 5 and bevel gear case 16, worm gear case 5 is provided with worm gear 22 and walking axle 19, walking axle 19 passed worm gear 22 center fixing, bevel gear case 16 is provided with large arc tooth conical gear 18 and rotary tillage shaft 20, rotary tillage shaft 20 is through large arc tooth conical gear 18 center fixing, the inner chamber of worm gear case 5 and bevel gear case 16 overlaps 15 inner chamber by connecting rod and is connected together, in connecting rod cover 15, be provided with worm shaft 11, the centre of worm shaft 11 is provided with worm screw 21, worm screw 21 is suitable with described worm gear 22 and engage, the right-hand member of worm shaft 11 is provided with little arc tooth conical gear 17, little arc tooth conical gear 17 is suitable with described large arc tooth conical gear 18 and engage, the output shaft 2 of engine drives worm shaft 11 to rotate by clutch speed reducer, worm screw 21 on worm shaft 11 drives worm gear 22 to rotate, little arc tooth conical gear 17 on worm shaft 11 drives large arc tooth conical gear 18 to rotate.Described clutch speed reducer comprises power clutch case 3, power clutch case 3 inner chambers are provided with friction disk clutch and gear reduction unit, friction disk clutch comprises driving disc spacing pressing 22, friction plate 24, clutch plate 23, gear reduction unit comprises shift fork 14, output shaft 27 and jackshaft 28, output shaft 27 and jackshaft 28 are rotationally connected with on the housing of power clutch case 3, output shaft 27 is provided with transportable balladeur train 12, balladeur train 12 left ends are provided with the thumb wheel 29 of one, thumb wheel 25 is provided with cannelure, shift fork 14 is positioned at cannelure, engine output shaft 2 is connected with driving disc spacing pressing 22, driving disc spacing pressing 22 drives clutch plate 23 to rotate by friction plate 24, clutch plate 23 is connected with output shaft 27, jackshaft 28 is provided with idler gear 18, shift fork 14 is by stirring thumb wheel 29, make balladeur train 12 be meshed or separate with idler gear 18, the left end of worm shaft 11 is provided with driven wheel 7, driven wheel 7 is meshed with idler gear 18.
Other structure of the utility model miniature rotary cultivator can be with reference to the disclosed description of Chinese utility model patent document CN202979602U and Figure of description thereof.The utility model also can adopt the disclosed dry type friction plate clutch of Chinese utility model patent CN203404272U.
The unspecified content of the utility model is prior art, and those skilled in the art can obtain inspiration from the present embodiment and prior art, is out of shape and obtains other embodiment.Therefore, protection domain of the present utility model should be determined according to the protection domain of claim.
Claims (2)
1. a miniature rotary cultivator, comprise engine (1), clutch speed reducer and drive unit, clutch speed reducer is provided with friction disk clutch, friction disk clutch comprises driving disc spacing pressing (22), friction plate (24), clutch plate (23), driving disc spacing pressing (22) drives clutch plate (23) rotation by friction plate (24), it is characterized in that: described drive unit comprises worm gear case (5) and bevel gear case (16), worm gear case (5) is provided with worm gear (22) and walking axle (19), walking axle (19) is also fixing through the center of worm gear (22), active wheel is equipped with at walking axle two ends, bevel gear case (16) is provided with large arc tooth conical gear (18) and rotary tillage shaft (20), rotary tillage shaft (20) is also fixing through the center of large arc tooth conical gear (18), rotary blade is equipped with at rotary tillage shaft two ends, the inner chamber of worm gear case (5) and bevel gear case (16) is connected together by the inner chamber of connecting rod cover (15), in connecting rod cover (15), be provided with worm shaft (11), the centre of worm shaft (11) is provided with worm screw (21), worm screw (21) is suitable with described worm gear (22) and engage, the right-hand member of worm shaft (11) is provided with little arc tooth conical gear (17), little arc tooth conical gear (17) is suitable with described large arc tooth conical gear (18) and engage, the output shaft (2) of engine drives worm shaft (11) rotation by clutch speed reducer, worm screw (21) on worm shaft (11) drives worm gear (22) rotation, little arc tooth conical gear (17) on worm shaft (11) drives large arc tooth conical gear (18) rotation.
2. a kind of miniature rotary cultivator according to claim 1, it is characterized in that: described clutch speed reducer comprises power clutch case (3), power clutch case (3) inner chamber is provided with gear reduction unit, gear reduction unit comprises shift fork (14), output shaft (27) and jackshaft (28), output shaft (27) and jackshaft (28) are rotationally connected with on the housing of power clutch case (3), output shaft (27) is provided with transportable balladeur train (12), balladeur train (12) left end is provided with the thumb wheel (29) of one, thumb wheel (25) is provided with cannelure, shift fork (14) is positioned at cannelure, engine output shaft (2) is connected with described driving disc spacing pressing (22), clutch plate (23) is connected with output shaft (27), jackshaft (28) is provided with idler gear (18), shift fork (14) is by stirring thumb wheel (29), make balladeur train (12) be meshed or separate with idler gear (18), the left end of worm shaft (11) is provided with driven wheel (7), driven wheel (7) is meshed with idler gear (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227913.2U CN203801218U (en) | 2014-05-06 | 2014-05-06 | Mini-type rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227913.2U CN203801218U (en) | 2014-05-06 | 2014-05-06 | Mini-type rotary cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203801218U true CN203801218U (en) | 2014-09-03 |
Family
ID=51440043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227913.2U Active CN203801218U (en) | 2014-05-06 | 2014-05-06 | Mini-type rotary cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203801218U (en) |
-
2014
- 2014-05-06 CN CN201420227913.2U patent/CN203801218U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |