CN218718666U - Four-wheel drive gearbox assembly of general mini-tiller - Google Patents
Four-wheel drive gearbox assembly of general mini-tiller Download PDFInfo
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- CN218718666U CN218718666U CN202223242923.7U CN202223242923U CN218718666U CN 218718666 U CN218718666 U CN 218718666U CN 202223242923 U CN202223242923 U CN 202223242923U CN 218718666 U CN218718666 U CN 218718666U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 194
- 238000003971 tillage Methods 0.000 claims abstract description 83
- 230000005570 vertical transmission Effects 0.000 claims description 15
- 230000007935 neutral effect Effects 0.000 claims description 8
- 238000009313 farming Methods 0.000 abstract description 3
- 208000032370 Secondary transmission Diseases 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of agricultural machinery, specifically be a machine four wheel drive gearbox assembly is ploughed to general declining, plough the machine including general declining go up box, walking rear box and with the rotary tillage front box of walking rear box hookup, the walking rear box includes walking box, transmission one, transmission two, transmission triaxial, transmission four-axis, five and transmission six, and the rotary tillage box and seven transmission shafts are drawn together to the front box of rotary tillage. A slow-gear clutch gear, a fast-gear clutch gear and a gear-shifting clutch duplicate gear are arranged on the transmission four shaft, and a three-shaft walking duplicate gear is arranged on the transmission three shaft. The utility model discloses a general machine of ploughing a little goes up the box, as walking power and the transmission of ploughing the dynamic force and break off the separate control, ploughs the machine of ploughing a little and can stop when the original place plowing plough harrow, rotary tillage, perhaps does not carry out the operation of ploughing when walking, has the suitability and the flexibility of preferred. In addition, the walking gear and the farming gear can be respectively adjusted, so that different use requirements of users are met.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, specifically be a general four-wheel drive gearbox assembly of machine is ploughed a little.
Background
Mechanized operations are increasingly used in agricultural production as productivity develops. The mini-tiller has the characteristics of strong power, good tilling effect and the like, is widely suitable for dry land, paddy field, orchards and the like in plains, mountainous areas and hills, can be driven in the field, is convenient for users to use and store, saves the trouble that large agricultural machinery cannot enter mountainous area fields, is also widely used for ditching after being additionally installed or modified, and shortens the ditching time by strong power output and excellent control performance.
At present, a common micro-cultivator gearbox adopts synchronous walking and rolling power output and rotary tillage power output, and the rotary tillage power output is controlled by switching walking gears, the applicability and the flexibility of a machine adopting the gearbox are poor, a rotary tillage cutter head always rotates when the micro-cultivator walks, and the micro-cultivator cannot perform tillage operation when the micro-cultivator stops on site, for example, the prior patent with the patent number of CN202221629010.8 discloses a micro-cultivator direct-connection gearbox assembly with synchronous main and auxiliary box gears, the gear change of a walking main box and the gear change of a rotary tillage auxiliary box have synchronism, no matter which gear the micro-cultivator walks, the walking and rolling power output of the walking main box and the rotary tillage power output of the rotary tillage auxiliary box are synchronously performed, and the rotary tillage power output depends on the switching of the walking gears.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a walking and roll field power take off and rotary tillage power take off separately controlled general machine four-wheel drive gearbox assembly that ploughs a little in order to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a four-wheel drive gearbox assembly of a general mini-tiller comprises a walking rear box and a rotary tillage front box connected with the walking rear box, wherein the walking rear box comprises a walking box body, a transmission first shaft, a transmission second shaft, a transmission third shaft, a transmission fourth shaft, a transmission fifth shaft and a transmission sixth shaft, and the rotary tillage front box comprises a rotary tillage box body and a transmission seventh shaft;
a five-shaft transmission gear is arranged on the five transmission shaft, a slow-gear clutch gear, a fast-gear clutch gear, a shifting clutch duplicate gear and a four-shaft transmission gear are arranged on the four transmission shaft, the four-shaft transmission gear is meshed with the five-shaft transmission gear, the shifting clutch duplicate gear is positioned between the slow-gear clutch gear and the fast-gear clutch gear, the shifting clutch duplicate gear can axially move along the four transmission shaft, the shifting clutch duplicate gear is meshed with the slow-gear clutch gear to form a rotary tillage slow gear, the shifting clutch duplicate gear is meshed with the fast-gear clutch gear to form a rotary tillage fast gear, and when the shifting clutch duplicate gear is not meshed with the slow-gear clutch gear and the fast-gear clutch gear, the rotary tillage neutral gear is adopted;
a first transmission gear is arranged on the first transmission shaft, the first transmission shaft is used for driving the micro-cultivator to walk, a second transmission shaft is provided with a second walking slow-gear, a second walking fast-gear and a second transmission gear, and the second transmission gear is meshed with the first transmission gear;
a three-shaft walking duplicate gear and a three-shaft transmission gear are arranged on the three transmission shafts, the three-shaft transmission gear is meshed with the four-shaft transmission gear, the three-shaft walking duplicate gear can axially move along the three transmission shafts, a large gear of the three-shaft walking duplicate gear is meshed with the two-shaft walking fast-gear to form a walking fast gear, a small gear of the three-shaft walking duplicate gear is meshed with the two-shaft walking slow-gear to form a walking slow gear, and the three-shaft walking duplicate gear is a walking neutral gear when the three-shaft walking duplicate gear is not meshed with the two-shaft walking slow-gear and the two-shaft walking fast-gear;
a rotary tillage slow-gear, a rotary tillage fast-gear and a six-shaft transmission chain wheel are arranged on the transmission six shaft, the rotary tillage slow-gear is meshed with a slow-gear clutch gear, the rotary tillage fast-gear is meshed with a fast-gear clutch gear, a rotary tillage chain wheel is arranged on the transmission seven shaft, and a chain is sleeved on the rotary tillage chain wheel and the six-shaft transmission chain wheel.
On the basis of the technical scheme, the utility model discloses can also make following improvement:
preferably, the four-wheel drive gearbox assembly of the general mini-tiller further comprises a general mini-tiller upper box body, a driven bevel gear is arranged on a five-axis transmission, the general mini-tiller upper box body comprises a transmission box body, an intermediate connecting plate, a vertical transmission shaft and a transmission bevel gear, the bottom of the transmission box body is detachably connected to the intermediate connecting plate and the top of the walking box body through screws, and the front end of the transmission box body is used for being connected with an engine; the vertical transmission shaft penetrates through the transmission box body and the middle connecting plate, one end of the vertical transmission shaft extends out of the transmission box body and the outer side of the middle connecting plate and is fixedly connected with the transmission bevel gear, a power transmission gear is arranged in the middle of the vertical transmission shaft, and a shifting fork is arranged on the power transmission gear.
Preferably, walking box and rotary tillage box integrated into one piece cast the shaping, need not a plurality of box concatenations, under the prerequisite of guaranteeing the assembly precision, can reduce the assembly degree of difficulty.
Preferably, inner teeth are formed on the inner sides of the slow-gear clutch gear and the fast-gear clutch gear, and outer teeth of the shifting clutch duplicate gear can be embedded into the inner teeth of the slow-gear clutch gear and the fast-gear clutch gear to be meshed with the slow-gear clutch gear and the fast-gear clutch gear.
Preferably, the shifting clutch duplicate gear is in sliding connection with the transmission four-shaft through a spline, a shifting fork is arranged on the shifting clutch duplicate gear, and the shifting clutch duplicate gear is controlled by the shifting fork to move axially along the transmission four-shaft.
Preferably, the three-axis walking duplicate gear is in sliding connection with the three transmission shafts through splines, a shifting fork is arranged on the three-axis walking duplicate gear, and the three-axis walking duplicate gear is controlled by the shifting fork to move axially along the three transmission shafts.
The utility model has the advantages that: the general machine transmission and disconnection of ploughing four-wheel drive gearbox assembly a little of above-mentioned plough machine adopt walking power and the transmission of ploughing actuating force to separately control, plough the machine walking and plough operation mutual independence a little, mutually noninterfere, plough the machine walking and plough the operation simultaneously a little, plough the machine also can stop and carry out ploughing harrow, rotary tillage to the field when in situ a little, perhaps do not plough the operation when ploughing the machine walking a little, adopt the utility model discloses a plough the machine a little and have the suitability and the flexibility of preferred. In addition, the walking gear and the farming gear can be respectively adjusted, so that different use requirements of users are met.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a four-wheel drive transmission assembly of a general mini-tiller according to a preferred embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
in the figure: 10. a traveling box body; 11. a drive shaft; 111. a shaft transmission gear; 12. a transmission two-shaft; 121. a two-axis walking slow-gear; 122. a two-shaft walking fast gear; 123. a two-axis transmission gear; 13. three shafts are transmitted; 131. a three-axis walking duplicate gear; 132. a three-axis drive gear; 14. a transmission four-axis; 141. a slow speed clutch gear; 142. a gear shifting clutch duplicate gear; 143. a fast clutch gear; 144. a four-axis transmission gear; 15. five shafts are driven; 151. a five-axis transmission gear; 152. a driven bevel gear; 16. six shafts are driven; 161. a rotary tillage slow gear; 162. a rotary tillage fast gear; 163. a six-axis drive sprocket; 17. a transmission seven shaft; 171. a rotary tillage chain wheel; 172. a chain; 20. a rotary tillage box body; 31. a transmission case body; 32. a vertical drive shaft; 33. a transmission bevel gear; 34. an intermediate connection plate; 35. and a power transmission gear.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a general four-wheel drive gearbox assembly of machine is ploughed a little that a preferred embodiment provided, including walking rear box and with the rotary tillage front box and the general quick-witted upper box body of ploughing a little of walking rear box hookup, engine power take off main shaft and general quick-witted upper box body hookup of ploughing a little are walking rear box and rotary tillage front box input power.
The walking rear box comprises a walking box body 10, a first transmission shaft 11, a second transmission shaft 12, a third transmission shaft 13, a fourth transmission shaft 14, a fifth transmission shaft 15 and a sixth transmission shaft 16, wherein shaft necks at two ends of each shaft are respectively provided with a bearing fixed on the walking box body 10; the rotary tillage front box comprises a rotary tillage box body 20 and a seven transmission shafts 17, and shaft necks at two ends of the seven transmission shafts 17 are respectively provided with a bearing fixed on the rotary tillage box body 20. The walking box body 10 and the rotary tillage box body 20 are detachably connected through screws, and the maintenance difficulty can be reduced on the premise of ensuring the assembly precision.
The five-shaft transmission gear 151 and the driven bevel gear 152 are arranged on the transmission five shaft 15, and the five-shaft transmission gear 151 and the driven bevel gear 152 are fixed on the transmission five shaft 15, so that the five-shaft transmission gear 151 and the driven bevel gear 152 rotate synchronously with the transmission five shaft 15.
The upper box body of the general mini-tiller comprises a transmission box body 31, an intermediate connecting plate 34, a vertical transmission shaft 32 and a transmission bevel gear 33. The bottom of the transmission case body 31 is detachably connected to the middle connecting plate 34 and the top of the walking case body 10 through screws, and the front end of the transmission case body 31 is used for being connected with an engine; the vertical transmission shaft 32 penetrates through the transmission case 31 and the middle connecting plate 34 and is used for outputting power of an engine, one end of the vertical transmission shaft 32 extends out of the transmission case 31 and the outer side of the middle connecting plate 34 and is fixedly connected with the transmission bevel gear 33, the power transmission gear 35 is arranged in the middle of the vertical transmission shaft 32 and transmits the power of the engine to the vertical transmission shaft 32 through the power transmission gear 35, a shifting fork (not shown) is arranged on the power transmission gear 35 and is connected with an upper case hand lever (not shown), the transmission bevel gear 33 on the vertical transmission shaft 32 is controlled to be meshed with or separated from the driven bevel gear 152 by shifting the upper case hand lever, and therefore the power of the engine is transmitted to the transmission five shafts 15 or the power transmitted to the transmission five shafts 15 is cut off through the upper case of the general micro-tiller.
A slow-gear clutch gear 141, a fast-gear clutch gear 143, a gear-shifting clutch duplicate gear 142 and a four-shaft transmission gear 144 are arranged on the transmission four-shaft 14, the four-shaft transmission gear 144 is meshed with the five-shaft transmission gear 151, the four-shaft transmission gear 144, the slow-gear clutch gear 141 and the fast-gear clutch gear 143 are fixed with the transmission four-shaft 14, and the four-shaft transmission gear 144, the slow-gear clutch gear 141 and the fast-gear clutch gear 143 are enabled to synchronously rotate with the transmission four-shaft 14; the shift clutch double gear 142 is located between the slow clutch gear 141 and the fast clutch gear 143, and is spline-coupled to the four transmission shafts 14. Inner teeth are formed on the inner sides of the slow clutch gear 141 and the fast clutch gear 143, and outer teeth of the shifting clutch duplicate gear 142 can be inserted into the inner teeth of the slow clutch gear 141 and the fast clutch gear 143 to be meshed with the slow clutch gear 141 and the fast clutch gear 143, so that the shifting clutch duplicate gear 142 and the slow clutch gear 141 or the shifting clutch duplicate gear 142 and the fast clutch gear 143 synchronously rotate. Specifically, a shifting fork (not shown) is arranged on the shifting clutch duplicate gear 142, the shifting clutch duplicate gear 142 is controlled by the shifting fork to move axially along the transmission four-shaft 14, the shifting fork is shifted to enable the shifting clutch duplicate gear 142 to be meshed with the slow-gear clutch gear 141 to form a rotary tillage slow gear, the shifting clutch duplicate gear 142 is meshed with the fast-gear clutch gear 143 to form a rotary tillage fast gear, and when the shifting clutch duplicate gear 142 is not meshed with the slow-gear clutch gear 141 and the fast-gear clutch gear 143, a rotary tillage neutral gear is formed.
A transmission gear 111 is arranged on the transmission shaft 11, the transmission shaft 11 is used for driving the mini-tiller to walk, and a driving wheel (not shown) is arranged on the transmission shaft 11 and has the functions of walking and rolling. A secondary walking slow-gear 121, a secondary walking fast-gear 122 and a secondary transmission gear 123 are arranged on the secondary transmission shaft 12, the secondary walking slow-gear 121, the secondary walking fast-gear 122 and the secondary transmission gear 123 are fixed with the secondary transmission shaft 12, the two-axis walking slow gear 121, the two-axis walking fast gear 122 and the two-axis transmission gear 123 synchronously rotate with the transmission two-axis 12; the two-shaft transmission gear 123 is located between the two-shaft walking slow-gear 121 and the two-shaft walking fast-gear 122, and is meshed with the one-shaft transmission gear 111.
A three-shaft walking duplicate gear 131 and a three-shaft transmission gear 132 are arranged on the three transmission shaft 13, the three-shaft transmission gear 132 is meshed with the four-shaft transmission gear 144, and the three-shaft transmission gear 132 is fixed with the three transmission shaft 13, so that the three-shaft transmission gear 132 and the three transmission shaft 13 synchronously rotate; the three-shaft traveling duplicate gear 131 is slidably coupled to the three transmission shafts 13 by splines, a shift fork (not shown) is arranged on the three-shaft traveling duplicate gear 131, the three-shaft traveling duplicate gear 131 is controlled by the shift fork to move axially along the three transmission shafts 13, a large gear of the three-shaft traveling duplicate gear 131 is meshed with the two-shaft traveling fast gear 122 to form a traveling fast gear by shifting the shift fork, a small gear of the three-shaft traveling duplicate gear 131 is meshed with the two-shaft traveling slow gear 121 to form a traveling slow gear, and when the three-shaft traveling duplicate gear 131 is not meshed with the two-shaft traveling slow gear 121 and the two-shaft traveling fast gear 122, the traveling neutral gear is determined.
A rotary tillage slow-stop gear 161, a rotary tillage fast-stop gear 162 and a six-shaft transmission chain wheel 163 are arranged on the transmission six-shaft 16, the six-shaft transmission chain wheel 163 is positioned between the rotary tillage slow-stop gear 161 and the rotary tillage fast-stop gear 162, the rotary tillage slow-stop gear 161, the rotary tillage fast-stop gear 162 and the six-shaft transmission chain wheel 163 are fixed with the transmission six-shaft 16, so that the rotary tillage slow-stop gear 161, the rotary tillage fast-stop gear 162 and the six-shaft transmission chain wheel 163 synchronously rotate with the transmission six-shaft 16, the rotary tillage slow-stop gear 161 is meshed with the slow-stop clutch gear 141, and the rotary tillage fast-stop gear 162 is meshed with the fast-stop clutch gear 143.
The rotary tillage chain wheel 171 is arranged on the seven transmission shafts 17, the chains 172 are sleeved on the rotary tillage chain wheel 171 and the six transmission chain wheel 163, power output by the six transmission shafts 16 is transmitted to the rotary tillage chain wheel 171 and the seven transmission shafts 17 through the chains 172, rotary tillage cutter heads or field harrowing wheels can be mounted at two ends of the seven transmission shafts 17, plowing and harrowing can be carried out on fields, and different operation requirements of users are met.
When the utility model is used, the hand lever of the upper box body is shifted to control the transmission bevel gear 33 on the vertical transmission shaft 32 to be meshed with the driven bevel gear 152, and the power output by the engine is transmitted to the five transmission shafts 15; the shifting fork is shifted to enable the shifting clutch duplicate gear 142 to be meshed with the slow-gear clutch gear 141 or the fast-gear clutch gear 143, and power output by the engine is sequentially transmitted to a rotary tillage cutter head on the transmission seven-shaft 17 through the transmission five-shaft 15, the transmission four-shaft 14, the transmission six-shaft 16, the transmission seven-shaft 17, gears and chain wheels on the shafts, and is used for tilling a field by a micro-tillage machine; when the gear shifting clutch duplicate gear 142 is not engaged with the slow clutch gear 141 and the fast clutch gear 143, the rotary tillage neutral gear is selected. The shifting fork is shifted to enable the three-axis walking duplicate gear 131 to be meshed with the two-axis walking fast gear 122 or the two-axis walking slow gear 121, and power output by the engine is sequentially transmitted to a driving wheel on the transmission shaft 11 through the transmission shaft five 15, the transmission shaft four 14, the transmission shaft three 13, the transmission shaft two 12, the transmission shaft one 11 and gears on the transmission shafts, and finally transmitted to the driving wheel on the transmission shaft one 11 for the micro-tillage machine to walk and roll fields; and a traveling neutral gear is set when the three-shaft traveling double gear 131 is not engaged with the two-shaft traveling slow-gear 121 and the two-shaft traveling fast-gear 122. Therefore, the transmission and disconnection of the walking power and the tillage power are separately controlled, the walking of the micro-tillage machine and the tillage operation are mutually independent and do not interfere with each other, namely, the walking of the micro-tillage machine and the tillage operation can be simultaneously carried out, and the micro-tillage machine can also carry out plowing and harrowing on a field when being stopped in situ or carry out no tillage operation when the micro-tillage machine walks. Moreover, by shifting the shifting fork, the shifting clutch duplicate gear 142 is meshed with the slow-gear clutch gear 141 to form a rotary tillage slow gear, the shifting clutch duplicate gear 142 is meshed with the fast-gear clutch gear 143 to form a rotary tillage fast gear, and the seven transmission shafts 17 can drive the rotary tillage cutter disc to rotate at different rotating speeds, so that the soil cutting effect of the cutter during rotary tillage in different plots is ensured, and different farming requirements of users are met. In addition, by shifting the shifting fork, the large gear of the three-axis walking duplicate gear 131 is meshed with the two-axis walking fast gear 122 to form a walking fast gear, the small gear of the three-axis walking duplicate gear 131 is meshed with the two-axis walking slow gear 121 to form a walking slow gear, and the transmission shaft 11 can drive the driving wheel to rotate at different rotating speeds, so that the mini-tiller can walk forwards at different speeds.
The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a general four-wheel drive gearbox assembly of machine of ploughing a little, includes walking rear box and the rotary tillage front box of hookup with the walking rear box, its characterized in that: the rear walking box comprises a walking box body, a first transmission shaft, a second transmission shaft, a third transmission shaft, a fourth transmission shaft, a fifth transmission shaft and a sixth transmission shaft, and the front rotary tillage box comprises a rotary tillage box body and a seventh transmission shaft;
a five-shaft transmission gear is arranged on the five transmission shaft, a slow-gear clutch gear, a fast-gear clutch gear, a shifting clutch duplicate gear and a four-shaft transmission gear are arranged on the four transmission shaft, the four-shaft transmission gear is meshed with the five-shaft transmission gear, the shifting clutch duplicate gear is positioned between the slow-gear clutch gear and the fast-gear clutch gear, the shifting clutch duplicate gear can axially move along the four transmission shaft, the shifting clutch duplicate gear is meshed with the slow-gear clutch gear to form a rotary tillage slow gear, the shifting clutch duplicate gear is meshed with the fast-gear clutch gear to form a rotary tillage fast gear, and when the shifting clutch duplicate gear is not meshed with the slow-gear clutch gear and the fast-gear clutch gear, the rotary tillage neutral gear is adopted;
a first transmission gear is arranged on the first transmission shaft, the first transmission shaft is used for driving the micro-cultivator to walk, a second transmission shaft is provided with a second walking slow-gear, a second walking fast-gear and a second transmission gear, and the second transmission gear is meshed with the first transmission gear;
a three-shaft walking duplicate gear and a three-shaft transmission gear are arranged on the three transmission shafts, the three-shaft transmission gear is meshed with the four-shaft transmission gear, the three-shaft walking duplicate gear can axially move along the three transmission shafts, a large gear of the three-shaft walking duplicate gear is meshed with the two-shaft walking fast-gear to form a walking fast gear, a small gear of the three-shaft walking duplicate gear is meshed with the two-shaft walking slow-gear to form a walking slow gear, and the three-shaft walking duplicate gear is a walking neutral gear when the three-shaft walking duplicate gear is not meshed with the two-shaft walking slow-gear and the two-shaft walking fast-gear;
the six transmission shafts are provided with a rotary tillage slow gear, a rotary tillage fast gear and a six transmission chain wheel, the rotary tillage slow gear is meshed with the slow clutch gear, the rotary tillage fast gear is meshed with the fast clutch gear, the seven transmission shafts are provided with rotary tillage chain wheels, and chains are sleeved on the rotary tillage chain wheels and the six transmission chain wheels.
2. The universal four-wheel drive gearbox assembly of the mini-tiller according to claim 1, wherein: the universal mini-tiller upper box body comprises a transmission box body, an intermediate connecting plate, a vertical transmission shaft and a transmission bevel gear, the bottom of the transmission box body is detachably connected to the top of the intermediate connecting plate and the top of the walking box body through screws, and the front end of the transmission box body is used for being connected with an engine; the vertical transmission shaft penetrates through the transmission box body and the middle connecting plate, one end of the vertical transmission shaft extends out of the transmission box body and the outer side of the middle connecting plate and is fixedly connected with the transmission bevel gear, a power transmission gear is arranged in the middle of the vertical transmission shaft, and a shifting fork is arranged on the power transmission gear.
3. The universal mini-tiller four-wheel drive gearbox assembly as claimed in claim 1, wherein: the walking box body and the rotary tillage box body are integrally cast and formed.
4. The universal mini-tiller four-wheel drive gearbox assembly as claimed in claim 1, wherein: inner circular teeth are arranged on the inner sides of the slow-gear clutch gear and the fast-gear clutch gear, and outer teeth of the gear-shifting clutch duplicate gear can be embedded into the inner circular teeth of the slow-gear clutch gear and the fast-gear clutch gear so as to be meshed with the slow-gear clutch gear and the fast-gear clutch gear.
5. The universal mini-tiller four-wheel drive gearbox assembly as claimed in claim 4, wherein: the shifting clutch duplicate gear is in sliding connection with the transmission four-shaft through a spline, a shifting fork is arranged on the shifting clutch duplicate gear, and the shifting clutch duplicate gear is controlled by the shifting fork to move axially along the transmission four-shaft.
6. The universal mini-tiller four-wheel drive gearbox assembly as claimed in claim 1, wherein: the three-axis walking duplicate gear is in sliding connection with the three transmission shafts through splines, a shifting fork is arranged on the three-axis walking duplicate gear, and the three-axis walking duplicate gear is controlled by the shifting fork to move axially along the three transmission shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223242923.7U CN218718666U (en) | 2022-12-05 | 2022-12-05 | Four-wheel drive gearbox assembly of general mini-tiller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223242923.7U CN218718666U (en) | 2022-12-05 | 2022-12-05 | Four-wheel drive gearbox assembly of general mini-tiller |
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| CN218718666U true CN218718666U (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118339955A (en) * | 2024-05-22 | 2024-07-16 | 浙江欧欧动力机械有限公司 | Multifunctional agricultural machinery with multifunctional head and linkage control |
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2022
- 2022-12-05 CN CN202223242923.7U patent/CN218718666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118339955A (en) * | 2024-05-22 | 2024-07-16 | 浙江欧欧动力机械有限公司 | Multifunctional agricultural machinery with multifunctional head and linkage control |
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