CN216555175U

CN216555175U - Two kinds of input drive's quick-witted gearbox assembly of ploughing a little

Info

Publication number: CN216555175U
Application number: CN202220006885.6U
Authority: CN
Inventors: 王杰荣
Original assignee: Liuzhou Xinsheng Agricultural Machinery Co ltd
Current assignee: Liuzhou Xinsheng Agricultural Machinery Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-05-17
Anticipated expiration: 2032-01-05

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a two-input transmission type mini-tiller gearbox assembly which comprises a main gearbox and a rotary tillage box connected with the main gearbox, wherein the main gearbox comprises a gearbox 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, a transmission bevel gear is arranged on the first transmission shaft, and two ends of the third transmission shaft extend out of the gearbox body. The transmission assembly of the mini-tiller can be in transmission fit with the direct-coupled internal clutch through the transmission bevel gear on the transmission shaft and can be in transmission fit with the belt transmission type external clutch through the transmission three shafts, so that the transmission assembly of the mini-tiller not only can be suitable for the belt transmission type external clutch, but also can be suitable for the direct-coupled internal clutch, and the two clutches can be used for input transmission, thereby meeting the requirements of different users.

Description

Two kinds of input drive's quick-witted gearbox assembly of ploughing a little

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a gear box assembly of a micro-cultivator with two input transmissions.

Background

The mini-tiller is an agricultural machine capable of realizing plowing, harrowing, rotary tillage, intertillage, ridging and ridging in paddy fields and dry lands, is generally driven by a diesel engine, and transmits power output by the engine through mutual meshing of gears on transmission shafts in a gearbox; the other clutch is a direct-coupled internal clutch, can reduce the entering of soil and water, increases horsepower, has compact and light structure, is suitable for paddy fields and dry lands, but the price of the gear box of the mini-tiller matched with the internal clutch is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a gearbox assembly of a mini-tiller with two input transmissions.

In order to achieve the purpose, the utility model adopts the technical scheme that: a mini-tiller gearbox assembly with two input transmissions comprises a main gearbox and a rotary tillage box connected with the main gearbox, wherein the main gearbox comprises a gearbox 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, the first transmission shaft is provided with a transmission bevel gear and a first transmission gear, the transmission bevel gear is adapted to a direct-coupled internal clutch, the second transmission shaft is provided with a second transmission gear, the second transmission gear is engaged with the first transmission gear, the third transmission shaft is provided with a third transmission gear, the third transmission gear is engaged with the second transmission gear, two ends of the third transmission shaft extend out of the gearbox body, one end of the third transmission shaft is adapted to a belt transmission type external clutch, the fourth transmission shaft is provided with a fourth transmission gear and a fourth transmission gear, the fourth transmission gear is engaged with the third transmission gear, the fifth transmission shaft is provided with a fifth transmission gear and a high-low gear driving gear, the high-low gear driving gear is a duplicate gear and can move axially along a five-axis transmission shaft, the five-axis transmission gear is in meshing transmission with the four-axis transition gear, a six-axis transmission gear, a high-low gear driven gear and a low-low gear driven gear are arranged on a six-axis transmission shaft, a large gear of the high-low gear driving gear can be meshed with the high-low gear driven gear to form a high gear, and a small gear of the high-low gear driving gear can be meshed with the low-low gear driven gear to form a low gear.

Preferably, the main gearbox further comprises a seven transmission shafts, a driving gear is arranged in the middle of the seven transmission shafts, the driving gear is meshed with the six transmission gears, and two ends of the seven transmission shafts are used for mounting driving wheels.

Preferably, the main gearbox further comprises eight transmission shafts and nine transmission shafts, eight transmission gears and eight transition gears are arranged on the eight transmission shafts, nine transmission gears and nine transmission chain wheels are arranged on the nine transmission shafts, the nine transmission gears and the eight transition gears are in meshing transmission, the rotary tillage box comprises a rotary tillage box body and a rotary tillage shaft, the rotary tillage box body is obliquely connected to the right side of the gearbox body, rotary tillage chain wheels are arranged on the rotary tillage shaft, chains are sleeved on the rotary tillage chain wheels and the nine transmission chain wheels, a rotary tillage driving gear is further arranged on the three transmission shafts and can axially move along the three transmission shafts so as to be meshed with the eight transmission gears.

Because the rotary tillage sprocket in the main gear box and the nine-shaft transmission sprocket in the rotary tillage box are sleeved with the chain for power transmission, the rotary tillage box body with longer length can be used, and rotary tillage cutter discs or harrowing wheels with larger size can be installed at the two ends of the rotary tillage shaft, so that the tillage requirement of great depth in fields is met.

Preferably, the transmission first shaft, the transmission second shaft, the transmission third shaft, the transmission fourth shaft and the transmission fifth shaft, the transmission six shafts, the transmission eight shafts and the transmission nine shafts are spline shafts, the transmission bevel gears and the transmission one shafts are statically connected through splines, the transmission two shafts are statically connected through splines, the transmission three shafts are statically connected through splines, the rotary tillage driving gears are in sliding connection with the transmission three shafts, the transmission four shafts and the transmission four shafts are in spline static connection, the transmission five shafts are in spline static connection with the transmission five shafts, the high-low gear driving gears are in spline static connection with the transmission five shafts, the transmission six shafts, the high-low gear driven gears and the low-low gear driven gears are in spline static connection with the transmission six shafts, the transmission eight shafts and the transmission eight shafts are in spline static connection with the transmission eight shafts, and the transmission nine shafts and the transmission chain wheels are in spline static connection with the transmission nine shafts.

The transmission assembly of the mini-tiller can be in transmission fit with the direct-coupled internal clutch through the transmission bevel gear on the transmission shaft and can be in transmission fit with the belt transmission type external clutch through the transmission three shafts, so that the transmission assembly of the mini-tiller can be adapted to the belt transmission type external clutch and the direct-coupled internal clutch, and the two clutches can be used for input transmission, thereby meeting the requirements of different users.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a transmission assembly of a micro-cultivator with two input transmissions provided by the preferred embodiment of the utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

in the figure: 10. a transmission case; 11. a drive shaft; 111. a transmission bevel gear; 112. a shaft transmission gear; 12. a transmission two-shaft; 121. a two-axis transmission gear; 13. three shafts are driven; 131. a three-axis drive gear; 132. a rotary tillage driving gear; 14. a transmission four-axis; 141. a four-axis transmission gear; 142. a four-axis transition gear; 15. five shafts are driven; 151. a five-axis transmission gear; 152. a high-low gear driving gear; 16. six shafts are driven; 161. a six-shaft transmission gear; 162. a high-gear driven gear; 163. a low-gear driven gear; 17. a transmission seven shaft; 171. a drive gear; 18. eight shafts are driven; 181. eight-shaft transmission gears; 182. an eight-axis transition gear; 19. nine shafts are driven; 191. a nine-shaft transmission gear; 192. a nine-shaft drive sprocket; 20. a rotary tillage box body; 20. a rotary tillage box body; 21. a rotary tillage shaft; 22. a rotary tillage chain wheel; 23. a chain; 30. a direct-coupled internal clutch; 31. a clutch box body; 32. a clutch shaft; 33. clutch bevel gear.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the utility model in a schematic manner, and thus show only the constituents relevant to the utility model.

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 those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 and 2, a gear box assembly of a mini-tiller with two input transmissions according to a preferred embodiment of the present invention includes a main gear box and a rotary tillage box connected to the main gear box.

The main gear box comprises a gear 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, a sixth transmission shaft 16, a seventh transmission shaft 17, an eighth transmission shaft 18 and a ninth transmission shaft 19, wherein shaft necks at two ends of each shaft are respectively provided with a bearing fixed on the gear box body 10.

The transmission shaft 11 is provided with a transmission bevel gear 111 and a shaft transmission gear 112. The transmission shaft 11 is a spline shaft, the transmission bevel gear 111 and the transmission gear 112 are statically connected with the transmission shaft 11 through the spline, and the transmission bevel gear 111 and the transmission gear 112 rotate synchronously with the transmission shaft 11.

As shown in fig. 1, a direct internal clutch 30 can be coupled directly below the left side of the main transmission, and the direct internal clutch 30 includes a clutch housing 31, a clutch shaft 32, and a clutch bevel gear 33. The upper end of the clutch box body 31 is detachably connected to the right lower part of the gearbox body 10 through a screw, and the lower end of the clutch box body 31 is used for being connected with a diesel engine; the clutch shaft 32 is used for outputting power of a diesel engine, the clutch shaft 32 is arranged in the clutch box body 31, one end of the clutch shaft 32 extends out of the clutch box body 31 and is fixedly connected with a clutch bevel gear 33, the middle of the clutch shaft 32 is connected with a clutch hand lever through a clutch shifting fork, and the clutch bevel gear 33 on the clutch shaft 32 is controlled to be meshed with or separated from the transmission bevel gear 111 by shifting the clutch hand lever, so that the power output by the diesel engine is transmitted to the transmission shaft 11 or the power transmitted to the transmission shaft 11 is cut off.

The transmission secondary shaft 12 is provided with a secondary transmission gear 121, the transmission secondary shaft 12 is a spline shaft, the secondary transmission gear 121 is statically connected with the transmission secondary shaft 12 through a spline, so that the secondary transmission gear 121 and the transmission secondary shaft 12 synchronously rotate, and the secondary transmission gear 121 and the primary transmission gear 112 are in meshing transmission.

A three-shaft transmission gear 131 and a rotary tillage driving gear 132 are arranged on the transmission three shaft 13, the transmission three shaft 13 is a spline shaft, the three-shaft transmission gear 131 is statically connected with the transmission three shaft 13 through a spline, and the three-shaft transmission gear 131 is in meshing transmission with the two-shaft transmission gear 121; the rotary tillage driving gear 132 is connected with the three transmission shafts 13 in a sliding mode through splines, the rotary tillage driving gear 132 is connected with a shifting fork, the rotary tillage driving gear 132 can move axially along the three transmission shafts 13 under the control of the shifting fork, two ends of each transmission shaft 13 extend out of the outer side of the gearbox body 10, one end of each transmission shaft 13 is used for being matched with a belt transmission type outer clutch, each belt transmission type outer clutch comprises a clutch belt pulley and a belt transmission device, the clutch belt transmission type outer clutch is assembled between the three transmission shafts 13 and a diesel engine, the clutch belongs to the prior art, and detailed description is omitted.

The four-shaft transmission gear 141 and the four-shaft transition gear 142 are arranged on the four transmission shafts 14, the four transmission shafts 14 are spline shafts, the four transmission shaft 141 and the four transmission shaft transition gear 142 are in spline static connection with the four transmission shafts 14, the four transmission shaft 141 and the four transmission shaft transition gear 142 rotate synchronously with the four transmission shafts 14, and the four transmission shaft 141 and the three transmission shaft 131 are in meshing transmission.

The five-shaft transmission gear 151 and the high-low gear driving gear 152 are arranged on the five transmission shaft 15, the five transmission shaft 15 is a spline shaft, the five-shaft transmission gear 151 and the five transmission shaft 15 are in spline static connection, the high-low gear driving gear 152 is a duplicate gear, the high-low gear driving gear 152 and the five transmission shaft 15 are in spline sliding connection, a fixed shifting fork is connected onto the high-low gear driving gear 152, the high-low gear driving gear 152 can axially move along the five transmission shaft 15 under the control of the shifting fork, and the five transmission shaft 151 and the four-shaft transition gear 142 are in meshing transmission.

The six transmission shafts 16 are provided with six transmission gears 161, a high-gear driven gear 162 and a low-gear driven gear 163, the six transmission shafts 16 are spline shafts, the six transmission gears 161, the high-gear driven gear 162 and the low-gear driven gear 163 are in spline static connection with the six transmission shafts 16, the six transmission gears 161, the high-gear driven gear 162 and the low-gear driven gear 163 rotate synchronously with the six transmission shafts 16, the six transmission gears 161 are located in the middle of the six transmission shafts 16, the high-gear driven gear 162 and the low-gear driven gear 163 are located on two sides of the six transmission gears 161, and the diameter of the high-gear driven gear 162 is smaller than that of the low-gear driven gear 163.

The seven transmission shafts 17 are used for driving the mini-tiller to walk, a driving gear 171 is arranged in the middle of each seven transmission shaft 17, the driving gear 171 is in meshed transmission with the six-shaft transmission gear 161, and two ends of each seven transmission shaft 17 are used for mounting driving wheels (not shown).

The eight transmission shafts 18 are provided with eight transmission gears 181 and eight transition gears 182, the eight transmission shafts 18 are spline shafts, the eight transmission gears 181 and the eight transition gears 182 are in spline static connection with the eight transmission shafts 18, and the eight transmission gears 181 and the eight transition gears 182 rotate synchronously with the eight transmission shafts 18.

Nine-shaft transmission gears 191 and nine-shaft transmission chain wheels 192 are arranged on the nine transmission shafts 19, the nine transmission shafts 19 are spline shafts, the nine transmission gears 191 and the nine transmission chain wheels 192 are in spline static connection with the nine transmission shafts 19, the nine transmission gears 191 and the nine transmission chain wheels 192 rotate synchronously with the nine transmission shafts 19, and the nine transmission gears 191 are in meshing transmission with the eight transition gears 182.

The rotary tillage case includes rotary tillage box 20 and rotary tillage axle 21, rotary tillage box 20 couples in gearbox 10 right side through the screw slope, the axle journal at rotary tillage axle 21 both ends is adorned respectively and is fixed in the bearing on rotary tillage box 20, be provided with rotary tillage sprocket 22 on the rotary tillage axle 21, the cover is equipped with chain 23 on rotary tillage sprocket 22 and the nine drive sprocket 192, transmit the power of nine 19 outputs of transmission for rotary tillage sprocket 22 and rotary tillage axle 21 through chain 23, mountable rotary tillage blade disc or harrowing wheel in rotary tillage axle 21 both ends, can realize carrying out the plow harrow to the field, the rotary tillage, satisfy user's different operation demands.

When the rotary tillage machine is used, when the shifting fork is used for controlling the rotary tillage driving gear 132 to axially move along the three transmission shafts 13 so that the rotary tillage driving gear 132 is meshed with the eight-shaft transmission gear 181, power output by the diesel engine can be transmitted to the rotary tillage shaft 21 through the eight transmission shafts 18, the nine transmission shafts 19, the nine transmission chain wheels 192, the chain 23 and the rotary tillage chain wheel 22 in sequence, and plowing and rotary tillage of a field are realized through rotary tillage cutter discs or harrowing wheels arranged at two ends of the rotary tillage shaft 21; when rotary tillage driving gear 132 moves to the neutral position (at this time, rotary tillage driving gear 132 is not engaged with eight-shaft transmission gear 181), rotary tillage driving gear 132 idles around transmission three shaft 13, and rotary tillage shaft 21 does not rotate; when the shifting fork is used for controlling the high-low gear driving gear 152 to axially move along the five transmission shafts 15, the large gear of the high-low gear driving gear 152 is meshed with the high-gear driven gear 162 on the six transmission shafts 16 to form a high gear, and the seven transmission shafts 17 rotate at a high speed to drive the mini-tiller to walk; when the pinion of the high-low gear driving gear 152 is meshed with the low-gear driven gear 163 on the transmission six-shaft 16 to form a low gear, the transmission seven-shaft 17 rotates at a lower speed to drive the micro-cultivator to walk; when the high-low gear driving gear 152 moves to the middle of the five transmission shafts 15 and is not meshed with the high-low gear driven gear 162 and the low-low gear driven gear 163, the five transmission shafts 15 idle, and the seven transmission shafts 17 do not rotate; the power output by the three transmission shafts 13 is transmitted to two sets of gears in the gearbox body 10, namely, the gears which are arranged on the four transmission shafts 14, the five transmission shafts 15, the six transmission shafts 16 and the seven transmission shafts 17 and used for transmitting walking power and the gears which are arranged on the eight transmission shafts 18 and the nine transmission shafts 19 and used for transmitting farming power, and the transmission and disconnection of the walking power and the farming power are respectively and independently controlled, so that the walking of the mini-tiller and the farming operation are independent and do not interfere with each other, namely, the walking of the mini-tiller and the farming operation can be carried out simultaneously, and the mini-tiller can also carry out plowing and rotary tillage on a field when being stopped in place, or the farming operation is not carried out when the mini-tiller walks.

The gearbox assembly of the mini-tiller can be in transmission fit with the direct-coupled internal clutch 30 through the transmission bevel gear 111 on the transmission shaft 11 and can be in transmission fit with the belt transmission type external clutch through the transmission three shaft 13, so that the gearbox assembly of the mini-tiller can be adapted to the belt transmission type external clutch and the direct-coupled internal clutch 30, and the two clutches can be used for input transmission, thereby meeting the requirements of different users. In addition, a chain 23 is sleeved on a rotary tillage chain wheel 22 in the main gearbox and a nine-shaft transmission chain wheel 192 in the rotary tillage box for power transmission, the distance between the rotary tillage shaft 21 and the nine transmission shafts 19 can be set to be larger, so that the chain 23 and the rotary tillage box body 20 with longer length can be used, and rotary tillage cutter heads or harrowing wheels with larger size can be mounted at two ends of the rotary tillage shaft 21, so that the requirement of farming in a larger depth in a field is met.

In light of the foregoing description of the preferred embodiments of the present invention, 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 utility model. 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

1. The utility model provides a plough quick-witted gearbox assembly a little of two kinds of input transmission, includes main gear box and the rotary tillage case of hookup with main gear box, its characterized in that: the main gear box comprises a gear 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, wherein a transmission bevel gear and a first transmission gear are arranged on the first transmission shaft, the transmission bevel gear is used for being matched with a direct-coupled internal clutch, the second transmission shaft is provided with a second transmission gear, the second transmission gear is meshed with the first transmission gear, the third transmission shaft is provided with a third transmission gear, the third transmission gear is meshed with the second transmission gear, two ends of the third transmission shaft extend out of the gear box body, one end of the third transmission shaft is used for being matched with a belt transmission type external clutch, the fourth transmission shaft is provided with a fourth transmission gear and a fourth transmission gear, the fourth transmission gear is meshed with the third transmission gear, the fifth transmission gear and a high-low gear driving gear are arranged on the fifth transmission shaft, the high-low gear driving gear is a duplex gear, and the high-low gear driving gear can axially move along the fifth transmission shaft, the five-axis transmission gear is in meshing transmission with the four-axis transition gear, a six-axis transmission gear, a high-gear driven gear and a low-gear driven gear are arranged on a six-axis transmission gear, a large gear of a high-low gear driving gear can be meshed with the high-gear driven gear to form a high gear, and a small gear of the high-low gear driving gear can be meshed with the low-gear driven gear to form a low gear.

2. The two-input-drive mini-tiller gearbox assembly as claimed in claim 1, wherein: the main gearbox further comprises seven transmission shafts, a driving gear is arranged in the middle of each seven transmission shafts, the driving gears are meshed with the six transmission gears, and two ends of each seven transmission shaft are used for mounting driving wheels.

3. The two-input-drive mini-tiller gearbox assembly as claimed in claim 2, wherein: the main gearbox further comprises eight transmission shafts and nine transmission shafts, eight transmission gears and eight transition gears are arranged on the eight transmission shafts, nine transmission gears and nine transmission chain wheels are arranged on the nine transmission shafts, the nine transmission gears and the eight transition gears are in meshing transmission, the rotary tillage box comprises a rotary tillage box body and a rotary tillage shaft, the rotary tillage box body is obliquely connected to the right side of the gearbox body, rotary tillage chain wheels are arranged on the rotary tillage shaft, chains are sleeved on the rotary tillage chain wheels and the nine transmission chain wheels, a rotary tillage driving gear is further arranged on the three transmission shafts and can axially move along the three transmission shafts so as to be meshed with the eight transmission gears.

4. The two-input-drive mini-tiller gearbox assembly as claimed in claim 3, wherein: the transmission primary shaft, the transmission secondary shaft, the transmission three shaft, the transmission four shaft and the transmission five shaft, the transmission six shafts, the transmission eight shafts and the transmission nine shafts are spline shafts, the transmission bevel gears and the transmission one shafts are statically connected through splines, the transmission two shafts are statically connected through splines, the transmission three shafts are statically connected through splines, the rotary tillage driving gears are in sliding connection with the transmission three shafts, the transmission four shafts and the transmission four shafts are in spline static connection, the transmission five shafts are in spline static connection with the transmission five shafts, the high-low gear driving gears are in spline static connection with the transmission five shafts, the transmission six shafts, the high-low gear driven gears and the low-low gear driven gears are in spline static connection with the transmission six shafts, the transmission eight shafts and the transmission eight shafts are in spline static connection with the transmission eight shafts, and the transmission nine shafts and the transmission chain wheels are in spline static connection with the transmission nine shafts.