CN211009760U - Special gearbox for mini-tiller - Google Patents
Special gearbox for mini-tiller Download PDFInfo
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- CN211009760U CN211009760U CN201922154086.4U CN201922154086U CN211009760U CN 211009760 U CN211009760 U CN 211009760U CN 201922154086 U CN201922154086 U CN 201922154086U CN 211009760 U CN211009760 U CN 211009760U
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- gear
- shifting fork
- main shaft
- main
- shaft
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Abstract
A gearbox special for a mini-tiller comprises a box body, an operating mechanism, a main shaft and an auxiliary shaft, wherein the box body comprises a box body and a cover body covering the top of the box body; the main shaft comprises a first main shaft and a second main shaft, an input gear is sleeved on the first main shaft, a first slot is formed in the input gear, a first shifting piece of a first shifting fork extends into the first slot, a first main gear is fixedly sleeved on the second main shaft, a second main gear and a third main gear are sleeved on the second main shaft, a second shifting piece of a second shifting fork extends between the second main gear and the third main gear, the auxiliary shaft comprises a first auxiliary shaft and a second auxiliary shaft, a first auxiliary gear and a second auxiliary gear are movably sleeved on the first auxiliary shaft, a fast-gear driven gear and a slow-gear driven gear are fixedly sleeved on the first auxiliary shaft, and a reverse gear is movably sleeved on the second auxiliary shaft.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, specifically be a plough quick-witted special gearbox a little.
Background
The mini-tiller uses a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The micro-tillage machine is widely applicable to dry lands, paddy fields, orchards and the like in plains, mountainous areas and hills. The tractor can pump water, generate electricity, spray pesticide, spray and other operations when matched with corresponding machines, can also pull the trailer to carry out short-distance transportation, can freely run in the field by the mini-tiller, is convenient for users to use and store, saves the trouble that large agricultural machinery can not enter mountain fields, and is the best choice for vast farmers to replace cattle farming.
An engine and a gearbox of a traditional mini-tiller are directly connected through a flange plate, power is directly transmitted into the gearbox through a main shaft, the gearbox and a walking box are integrated, and the main shaft, an auxiliary shaft, a reverse gear shaft and three shafts are arranged in the gearbox. The quick gear, the slow gear and the reverse gear can be realized by shifting the positions of the duplex straight gears on the main shaft and the reverse gear shaft, the gears are few, so that the forward and reverse speeds of the mini-tiller are relatively single, only one reverse gear is needed, the practical cultivation has great limitation, and the practical production requirement cannot be met. It is urgent to solve the above problems.
The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.
Disclosure of Invention
The utility model aims at providing a plough quick-witted special gearbox 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 special gearbox for a mini-tiller comprises a box body, an operating mechanism, a main shaft and an auxiliary shaft, wherein the box body comprises a box body and a cover body covering the top of the box body, the operating mechanism comprises a first shifting lever, a second shifting lever, a first shifting fork, a second shifting fork, a third shifting fork and a shifting fork shaft, the first shifting lever is connected with the first shifting fork, the second shifting lever can be connected with one of the second shifting fork and the third shifting fork according to needs, the shifting fork shaft is fixedly arranged on two opposite side walls of the box body, the first shifting fork, the second shifting fork and the third shifting fork are sleeved on the shifting fork shaft, the bottom of the first shifting fork extends to form a first shifting fork piece, the bottom of the second shifting fork extends to form a second shifting fork piece, and the bottom of the third shifting fork extends to form a third shifting fork; the main shaft comprises a first main shaft and a second main shaft which are arranged on the same straight line, an inner cavity is arranged at one end of the first main shaft close to the second main shaft, one end of the second main shaft close to the first main shaft extends into the inner cavity, an input gear is sleeved on the first main shaft and can axially slide along the first main shaft, a first slot is arranged on the input gear, a first shifting fork piece of a first shifting fork extends into the first slot, a first main gear is fixedly sleeved at one end of the second main shaft close to the first main shaft, a second main gear and a third main gear are sleeved on the second main shaft, a main shaft duplex gear is fixedly connected between the second main gear and the third main gear to form a main shaft duplex gear, the main shaft duplex gear can axially slide along the second main shaft, a second shifting fork piece of the second shifting fork extends into a position between the second main gear and the third main gear, a first clutch tooth is arranged on the inner side of the input gear, and a second clutch tooth capable of being meshed with the first clutch tooth is arranged on the outer side of the first main gear; the auxiliary shafts comprise a first auxiliary shaft and a second auxiliary shaft, the first auxiliary shaft, the second auxiliary shaft and the main shaft are parallel to each other, a first auxiliary gear and a second auxiliary gear are movably sleeved on the first auxiliary shaft, the first auxiliary gear and the second auxiliary gear are fixedly connected to form an auxiliary shaft duplicate gear, a fast-gear driven gear and a slow-gear driven gear are fixedly sleeved on the first auxiliary shaft, and the fast-gear driven gear is positioned between the auxiliary shaft duplicate gear and the slow-gear driven gear; a reverse gear is movably sleeved on the second auxiliary shaft, the second auxiliary gear is meshed with the first main gear, when the input gear slides along the axial direction of the first main shaft, the input gear is meshed with the first auxiliary gear, or the first clutch tooth is meshed with the second clutch tooth, when the main shaft duplicate gear slides along the axial direction of the second main shaft, the second main gear is meshed with the fast gear driven gear, or the third main gear is meshed with the slow gear driven gear; when the main shaft duplicate gear is positioned between the fast gear driven gear and the slow gear driven gear, the reverse gear is axially slid along the second auxiliary shaft, so that the reverse gear is simultaneously meshed with the third main gear and the slow gear driven gear; and a second slot is formed in the reverse gear, and a third shifting fork piece of a third shifting fork extends into the second slot.
The utility model discloses a plough quick-witted special gearbox a little provides the forward gear that advances of four kinds of different speeds and two kinds of different speeds reverse gear and keep off the position, is applicable to various farming conditions of production and environment, satisfies the actual needs of production.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a gearbox specially used for a micro-cultivator in the preferred embodiment of the invention;
in the figure: 1. a box body; 11. a tank body; 111. a first through hole; 112. a second through hole; 113. a bearing; 12. a cover body; 120. a screw; 121. a first through aperture; 122. a second through aperture; 13. a bushing; 2. an operating mechanism; 21. a first shift lever; 211. a first convex ball; 22. a second deflector rod; 221. a second convex ball; 23. a first shift fork; 231. a first shift fork groove; 232. a first shifting fork sheet; 24. a second fork; 241. a second fork groove; 242. a second shifting fork piece; 25. a third shift fork; 251. a third shift fork groove; 252. a third shifting fork piece; 26. a fork shaft; 3. a first main shaft; 31. an inner cavity; 32. a needle bearing; 33. an input gear; 4. a second main shaft; 41. a first main gear; 42. a main shaft duplicate gear; 42a, a second main gear; 42b, a third main gear; 5. a first countershaft; 51. a countershaft double gear; 51a, a first pinion; 51b, a second pinion; 52. a fast-gear driven gear; 53. a slow-gear driven gear; 54. a bevel gear; 6. a second countershaft; 61. and a reverse 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.
As shown in fig. 1, the gearbox of the present invention comprises a casing 1, an operating mechanism 2, a main shaft, and an auxiliary shaft. The main shaft and the auxiliary shaft are rotatably connected to the box body 1.
The box body 1 includes a box body 11 and a cover body 12 covering the top of the box body 11.
The top of the box body 11 is provided with a circular first through hole 111 and a circular second through hole 112. The diameter of the second through-hole 112 is larger than that of the first through-hole 111. The side walls of the box body 11 at two opposite sides are fixedly provided with a plurality of bearings 113.
The lid 12 is fixed to the top of the case body 11 by screws 120. The cover 12 is provided with a first circular through hole 121 and a second circular through hole 122. The first through hole 121 faces the first through hole 111 of the case body 11 located below, and the second through hole 122 faces the second through hole 112 of the case body 11 located below. The first through hole 121 and the second through hole 122 of the cover 12 are provided with the bushing 13. The bush 13 is a nylon bush, which can improve the wear resistance of the bush 13 and enable the bush to bear load for a long time.
The operating mechanism 2 includes a first lever 21, a second lever 22, a first fork 23, a second fork 24, a third fork 25, and a fork shaft 26. The first shift lever 21 is connected to a first shift fork 23. The second shift lever 22 may be connected to one of the second and third shift forks 24 and 25 as necessary.
The first and second levers 21 and 22 respectively form a first convex ball 211 and a second convex ball 221 therebetween. The first shift lever 21 respectively passes through the bush 13 of the cover 12 and the first through hole 111 of the box body 11 to enter the box body 11; the second driving lever 22 passes through the bushing 13 of the lid 12 and the second through hole 112 of the box body 11, respectively, and enters the box body 11. The first convex ball 211 of the first shift lever 21 and the second convex ball 221 of the second shift lever 22 are accommodated in the bushing 13, and the inner wall of the bushing 13 elastically clamps the first convex ball 211 of the first shift lever 21 and the second convex ball 221 of the second shift lever 22.
The top of the first shift fork 23 is provided with a first shift fork groove 231, and the bottom end of the first shift lever 21 is inserted into the first shift fork groove 231 fixed on the first shift fork 23. The top of the second shift fork 24 is provided with a second shift fork groove 241, the top of the third shift fork 25 is provided with a third shift fork groove 251, and the bottom end of the second shift lever 22 can be inserted into the second shift fork groove 241 fixed on the second shift fork 24 or the bottom end of the second shift lever 22 can be inserted into the third shift fork groove 251 fixed on the third shift fork 25 as required by rotating the second shift lever 22. The bottom of the first shifting fork 23 extends to form a first shifting fork sheet 232, the bottom of the second shifting fork 24 extends to form a second shifting fork sheet 242, and the bottom of the third shifting fork 25 extends to form a third shifting fork sheet 252.
The fork shafts 26 are fixedly mounted to opposite side walls of the box body 11. The first shifting fork 23, the second shifting fork 24 and the third shifting fork 25 are sleeved on the shifting fork shaft 26, and the first shifting fork 23, the second shifting fork 24 and the third shifting fork 25 can be shifted to move left and right along the shifting fork shaft 26 by swinging the first shifting lever 21 and the second shifting lever 22.
The main shaft comprises a first main shaft 3 and a second main shaft 4 which are arranged on the same straight line, an inner cavity 31 is formed in one end, close to the second main shaft 4, of the first main shaft 3, one end, close to the first main shaft 3, of the second main shaft 4 extends into the inner cavity 31, and the extending end of the second main shaft 4 is connected with the cavity wall of the inner cavity 31 through a needle bearing 32. An input gear 33 is fitted over the first main shaft 3, and the input gear 33 is spline-connected to the first main shaft 3 such that the input gear 33 is slidable in the axial direction of the first main shaft 3. The input gear 33 is provided with a first slot, and the first fork piece 232 of the first fork 23 extends into the first slot to push the input gear 33 to slide along the first main shaft 3. A first main gear 41 is fixedly sleeved at one end of the second main shaft 4 close to the first main shaft 3, a second main gear 42a and a third main gear 42b are sleeved on the second main shaft 4, wherein the second main gear 42a is located between the first main gear 41 and the third main gear 42b, the second main gear 42a and the third main gear 42b are fixedly connected to form a dual main shaft gear 42, and the dual main shaft gear 42 can axially slide along the second main shaft 4. The second fork piece 242 of the second fork 24 extends between the second main gear 42a and the third main gear 42b, and pushes the spindle duplicate gear 42 to slide along the second spindle 4. First clutch teeth are provided on the inner side of the input gear 33, and second clutch teeth are provided on the outer side of the first main gear 41.
The auxiliary shafts comprise a first auxiliary shaft 5 and a second auxiliary shaft 6, the first auxiliary shaft 5, the second auxiliary shaft 6 and the main shaft are parallel to each other, and the first main shaft 3, the second main shaft 4, the first auxiliary shaft 5 and the second auxiliary shaft 6 are rotatably connected with a bearing 113 fixedly arranged on the box body 11. A first counter gear 51a and a second counter gear 51b are movably sleeved on the first counter shaft 5, and the first counter gear 51a and the second counter gear 51b are fixedly connected to form a counter duplicate gear 51. A fast-gear driven gear 52 and a slow-gear driven gear 53 are fixedly sleeved on the first countershaft 5, the fast-gear driven gear 52 is positioned between the countershaft duplicate gear 51 and the slow-gear driven gear 53, and a bevel gear 54 is arranged at the tail end of the first countershaft 5.
A reverse gear 61 is movably engaged with the second sub-shaft 6. The second sub-gear 51b meshes with the first main gear 41, and when the input gear 33 slides in the axial direction of the first main shaft 3, the input gear 33 meshes with the first sub-gear 51a, or the first clutch teeth meshes with the second clutch teeth. When the spindle dual gear 42 slides axially along the second spindle 4, the second main gear 42a is engaged with the fast-gear driven gear 52, or the third main gear 42b is engaged with the slow-gear driven gear 53. When the main shaft duplicate gear 42 is located between the fast gear driven gear 52 and the slow gear driven gear 53, the reverse gear 61 is axially slid along the second sub-shaft 6, so that the reverse gear 61 is simultaneously meshed with the third main gear 42b and the slow gear driven gear 53. The reverse gear 61 is provided with a second slot, and the third shifting fork piece 252 of the third shifting fork 25 extends into the second slot to push the reverse gear 61 to slide along the second auxiliary shaft 6.
When the low-speed slow gear advances, the first shift lever 21 is swung to shift the first shift fork 23 to control the input gear 33 to slide axially, so that the input gear 33 is meshed with the first pinion 51a, the first main shaft 3 drives the input gear 33 to rotate, the input gear 33 drives the countershaft dual gear 51 to rotate, the countershaft dual gear 51 drives the first main gear 41 to rotate, the first main gear 41 drives the second main shaft 4 to rotate, and the second main shaft 4 drives the main shaft dual gear 42 to rotate. The second shifting fork 24 is shifted by swinging the second shifting lever 22 to control the axial sliding of the main shaft duplicate gear 42, so that the third main gear 42b is meshed with the slow gear driven gear 53, the main shaft duplicate gear 42 drives the slow gear driven gear 53 to rotate, the slow gear driven gear 53 drives the first auxiliary shaft 5 to rotate, and the first auxiliary shaft 5 drives the bevel gear 54 to rotate.
When the low-speed fast gear advances, the first shift lever 21 is swung to shift the first shift fork 23 to control the input gear 33 to slide axially, so that the input gear 33 is meshed with the first pinion 51a, the first main shaft 3 drives the input gear 33 to rotate, the input gear 33 drives the countershaft dual gear 51 to rotate, the countershaft dual gear 51 drives the first main gear 41 to rotate, the first main gear 41 drives the second main shaft 4 to rotate, and the second main shaft 4 drives the main shaft dual gear 42 to rotate. The second shifting fork 24 is shifted by swinging the second shifting lever 22 to control the axial sliding of the main shaft duplicate gear 42, so that the second main gear 42a is meshed with the fast gear driven gear 52, the main shaft duplicate gear 42 drives the fast gear driven gear 52 to rotate, the fast gear driven gear 52 drives the first auxiliary shaft 5 to rotate, and the first auxiliary shaft 5 drives the bevel gear 54 to rotate.
During low-speed reverse gear, the first shifting fork 23 is shifted by swinging the first shifting lever 21 to control the axial sliding of the input gear 33, so that the input gear 33 is meshed with the first pinion 51a, the first main shaft 3 drives the input gear 33 to rotate, the input gear 33 drives the countershaft dual gear 51 to rotate, the countershaft dual gear 51 drives the first main gear 41 to rotate, the first main gear 41 drives the second main shaft 4 to rotate, and the second main shaft 4 drives the main shaft dual gear 42 to rotate. The second shifting fork 24 is shifted by swinging the second shifting lever 22 to control the axial sliding of the main shaft duplex gear 42, so that the main shaft duplex gear 42 is positioned between the fast gear driven gear 52 and the slow gear driven gear 53. Then, the second shifting lever 22 is swung to shift the third shifting fork 25 to control the reverse gear 61 to slide along the second countershaft 6, so that the reverse gear 61 is simultaneously meshed with the third main gear 42b and the slow-gear driven gear 53, at this time, the third main gear 42b drives the reverse gear 61 to rotate, the reverse gear 61 drives the slow-gear driven gear 53 to rotate, the slow-gear driven gear 53 drives the first countershaft 5 to rotate, and the first countershaft 5 drives the bevel gear 54 to rotate.
When the high-speed slow gear advances, the first shifting fork 23 is shifted through swinging the first shifting lever 21 to control the axial sliding of the input gear 33, so that the input gear 33 is separated from the first pinion 51a, the first clutch tooth is engaged with the second clutch tooth, the first main shaft 3 drives the second main shaft 4 to rotate, the first main gear 41 drives the countershaft duplicate gear 51 to idle, and the second main shaft 4 drives the main shaft duplicate gear 42 to rotate. The second shifting fork 24 is shifted by swinging the second shifting lever 22 to control the axial sliding of the main shaft duplicate gear 42, so that the third main gear 42b is meshed with the slow gear driven gear 53, the main shaft duplicate gear 42 drives the slow gear driven gear 53 to rotate, the slow gear driven gear 53 drives the first auxiliary shaft 5 to rotate, and the first auxiliary shaft 5 drives the bevel gear 54 to rotate.
When the high-speed fast gear advances, the first shifting lever 21 is swung to shift the first shifting fork 23 to control the input gear 33 to axially slide, so that the input gear 33 is separated from the first auxiliary gear 51a, the first clutch tooth is meshed with the second clutch tooth, the first main shaft 3 drives the second main shaft 4 to rotate, the first main gear 41 drives the auxiliary shaft duplicate gear 51 to idle, the second main shaft 4 drives the main shaft duplicate gear 42 to rotate, the second shifting lever 22 is swung to shift the second shifting fork 24 to control the main shaft duplicate gear 42 to axially slide, so that the second main gear 42a is meshed with the fast gear driven gear 52, the main shaft duplicate gear 42 drives the fast gear driven gear 52 to rotate, the fast gear driven gear 52 drives the first auxiliary shaft 5 to rotate, and the first auxiliary shaft 5 drives the bevel gear 54 to rotate.
During high-speed reverse gear, the first shifting lever 21 is swung to shift the first shifting fork 23 to control the input gear 33 to axially slide, so that the input gear 33 is separated from the first pinion 51a, the first clutch tooth is meshed with the second clutch tooth, the first spindle 3 drives the second spindle 4 to rotate, the first main gear 41 drives the countershaft duplicate gear 51 to idle, the second spindle 4 drives the spindle duplicate gear 42 to rotate, the second shifting lever 22 is swung to shift the second shifting fork 24 to control the spindle duplicate gear 42 to axially slide, and the spindle duplicate gear 42 is located between the fast-gear driven gear 52 and the slow-gear driven gear 53. Then, the second shifting lever 22 is swung to shift the third shifting fork 25 to control the reverse gear 61 to slide along the second countershaft 6, so that the reverse gear 61 is simultaneously meshed with the third main gear 42b and the slow-gear driven gear 53, at this time, the third main gear 42b drives the reverse gear 61 to rotate, the reverse gear 61 drives the slow-gear driven gear 53 to rotate, the slow-gear driven gear 53 drives the first countershaft 5 to rotate, and the first countershaft 5 drives the bevel gear 54 to rotate.
The utility model discloses a plough quick-witted special gearbox a little provides the forward gear that advances of four kinds of different speeds and two kinds of different speeds reverse gear and keep off the position, is applicable to various farming conditions of production and environment, satisfies the actual needs of production.
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 (7)
1. The utility model provides a plough special gearbox a little, includes box, operating device, main shaft, countershaft, its characterized in that: the box body comprises a box body and a cover body covering the top of the box body, the operating mechanism comprises a first shifting lever, a second shifting lever, a first shifting fork, a second shifting fork, a third shifting fork and shifting fork shafts, the first shifting lever is connected with the first shifting fork, the second shifting lever can be connected with one of the second shifting fork and the third shifting fork as required, the shifting fork shafts are fixedly arranged on two opposite side walls of the box body, the first shifting fork, the second shifting fork and the third shifting fork are sleeved on the shifting fork shafts, the bottom of the first shifting fork extends to form a first shifting fork sheet, the bottom of the second shifting fork extends to form a second shifting fork sheet, and the bottom of the third shifting fork extends to form a third shifting fork sheet; the main shaft comprises a first main shaft and a second main shaft which are arranged on the same straight line, an inner cavity is arranged at one end of the first main shaft close to the second main shaft, one end of the second main shaft close to the first main shaft extends into the inner cavity, an input gear is sleeved on the first main shaft and can axially slide along the first main shaft, a first slot is arranged on the input gear, a first shifting fork piece of a first shifting fork extends into the first slot, a first main gear is fixedly sleeved at one end of the second main shaft close to the first main shaft, a second main gear and a third main gear are sleeved on the second main shaft, a main shaft duplex gear is fixedly connected between the second main gear and the third main gear to form a main shaft duplex gear, the main shaft duplex gear can axially slide along the second main shaft, a second shifting fork piece of the second shifting fork extends into a position between the second main gear and the third main gear, a first clutch tooth is arranged on the inner side of the input gear, and a second clutch tooth capable of being meshed with the first clutch tooth is arranged on the outer side of the first main gear; the auxiliary shafts comprise a first auxiliary shaft and a second auxiliary shaft, the first auxiliary shaft, the second auxiliary shaft and the main shaft are parallel to each other, a first auxiliary gear and a second auxiliary gear are movably sleeved on the first auxiliary shaft, the first auxiliary gear and the second auxiliary gear are fixedly connected to form an auxiliary shaft duplicate gear, a fast-gear driven gear and a slow-gear driven gear are fixedly sleeved on the first auxiliary shaft, and the fast-gear driven gear is positioned between the auxiliary shaft duplicate gear and the slow-gear driven gear; a reverse gear is movably sleeved on the second auxiliary shaft, the second auxiliary gear is meshed with the first main gear, when the input gear slides along the axial direction of the first main shaft, the input gear is meshed with the first auxiliary gear, or the first clutch tooth is meshed with the second clutch tooth, when the main shaft duplicate gear slides along the axial direction of the second main shaft, the second main gear is meshed with the fast gear driven gear, or the third main gear is meshed with the slow gear driven gear; when the main shaft duplicate gear is positioned between the fast gear driven gear and the slow gear driven gear, the reverse gear is axially slid along the second auxiliary shaft, so that the reverse gear is simultaneously meshed with the third main gear and the slow gear driven gear; and a second slot is formed in the reverse gear, and a third shifting fork piece of a third shifting fork extends into the second slot.
2. The gearbox special for the mini-tiller according to claim 1, characterized in that: the box comprises a box body and is characterized in that a first circular through hole and a second circular through hole are formed in the top of the box body, a first circular through hole and a second circular through hole are formed in a cover body, bushings are arranged at the first through hole and the second through hole of the cover body, a first driving lever penetrates through the bushings of the cover body and the first through hole of the box body respectively and enters the box body, and a second driving lever penetrates through the bushings of the cover body and the second through hole of the box body respectively and enters the box body.
3. The gearbox special for the mini-tiller according to claim 2, characterized in that: the bushing is a nylon bushing, the first deflector rod and the second deflector rod respectively form a first convex ball and a second convex ball in the middle, the first convex ball of the first deflector rod and the second convex ball of the second deflector rod are accommodated in the bushing, and the inner wall of the bushing elastically clamps the first convex ball of the first deflector rod and the second convex ball of the second deflector rod.
4. The gearbox special for the mini-tiller according to claim 2, characterized in that: the diameter of the second through hole is larger than that of the first through hole, the first through hole is opposite to the first through hole of the box body located below, and the second through hole is opposite to the second through hole of the box body located below.
5. The gearbox special for the mini-tiller according to claim 1, characterized in that: a first shifting fork groove is formed in the top of the first shifting fork, the bottom end of the first shifting lever is inserted into the first shifting fork groove fixed to the first shifting fork, a second shifting fork groove is formed in the top of the second shifting fork, a third shifting fork groove is formed in the top of the third shifting fork, and the bottom end of the second shifting lever can be inserted into the second shifting fork groove fixed to the second shifting fork or the bottom end of the second shifting lever can be inserted into the third shifting fork groove fixed to the third shifting fork as required by rotating the second shifting lever.
6. The gearbox special for the mini-tiller according to claim 1, characterized in that: the box comprises a box body and is characterized in that a plurality of bearings are fixedly arranged on the side walls of two opposite sides of the box body, and a first main shaft, a second main shaft, a first auxiliary shaft and a second auxiliary shaft are rotatably connected with the bearings fixedly arranged on the box body.
7. The gearbox special for the mini-tiller according to claim 1, characterized in that: the extending end of the second main shaft is connected with the cavity wall of the inner cavity through a needle bearing, the input gear is connected with the first main shaft through a spline, the second main gear is positioned between the first main gear and the third main gear, and a bevel gear is arranged at the tail end of the first auxiliary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922154086.4U CN211009760U (en) | 2019-12-05 | 2019-12-05 | Special gearbox for mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922154086.4U CN211009760U (en) | 2019-12-05 | 2019-12-05 | Special gearbox for mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009760U true CN211009760U (en) | 2020-07-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922154086.4U Expired - Fee Related CN211009760U (en) | 2019-12-05 | 2019-12-05 | Special gearbox for mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231694A (en) * | 2023-11-13 | 2023-12-15 | 潍坊鲁源机械有限公司 | Self-propelled crawler-type agricultural machinery gearbox assembly |
-
2019
- 2019-12-05 CN CN201922154086.4U patent/CN211009760U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231694A (en) * | 2023-11-13 | 2023-12-15 | 潍坊鲁源机械有限公司 | Self-propelled crawler-type agricultural machinery gearbox assembly |
| CN117231694B (en) * | 2023-11-13 | 2024-03-08 | 潍坊鲁源机械有限公司 | Self-propelled crawler-type agricultural machinery gearbox assembly |
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Granted publication date: 20200714 Termination date: 20211205 |