CN110118242B - Speed change device and seeder - Google Patents
Speed change device and seeder Download PDFInfo
- Publication number
- CN110118242B CN110118242B CN201910332902.8A CN201910332902A CN110118242B CN 110118242 B CN110118242 B CN 110118242B CN 201910332902 A CN201910332902 A CN 201910332902A CN 110118242 B CN110118242 B CN 110118242B
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- shaft
- shafts
- double
- gear
- teeth
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- 230000008859 change Effects 0.000 title claims abstract description 19
- 235000000621 Bidens tripartita Nutrition 0.000 claims abstract description 15
- 240000004082 Bidens tripartita Species 0.000 claims abstract description 15
- 208000006637 fused teeth Diseases 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000003337 fertilizer Substances 0.000 claims description 10
- 238000009331 sowing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003971 tillage Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
- Gear Transmission (AREA)
Abstract
The invention provides a seeder and a speed change device thereof, wherein the speed change device comprises a box body, and an input shaft, a first shaft, a three shaft, a four shaft, a five shaft and six shafts which are arranged in the box body, wherein driving bevel gears are arranged on the input shaft, and a shaft gear, driven bevel gears meshed with the driving bevel gears and second bevel gears are sequentially arranged on the first shaft; the three shafts are arranged on one side of the shaft, and three shaft gears meshed with the shaft gears are arranged on the three shafts; the four shafts are arranged at one end of the shaft, and are provided with second duplex teeth and second bevel teeth which are used for being meshed with the first bevel teeth; the five shafts are arranged on one side of the four shafts, a first double-tooth used for being meshed with the second double-tooth is arranged on each five shaft, and the first double-tooth can move on each five shaft; the six shafts are arranged on the other sides of the four shafts, six-shaft gears which are used for being meshed with the second duplex teeth are arranged on the six shafts, and the six-shaft gears can move on the six shafts.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a speed changing device and a seeder.
Background
In recent years, with the continuous development of technology, the degree of agricultural mechanization is continuously improved, and agricultural mechanisms with various structural types, such as rotary tillers, sowers, combined sowers with rotary tilling functions and the like, are also widely applied, and the automation level is also higher.
At present, a rotary tillage planter widely applied is provided with various speed reducers and other speed variators besides a rotary tillage gearbox for cultivated lands, so that the structure of the whole machine is complex, the occupied space is large, the operation and maintenance are inconvenient, and the use cost is higher.
In summary, how to provide a speed-changing device with compact structure, abundant functions, simple operation and low use cost, and a planter comprising the speed-changing device, which are needed to be solved by those skilled in the art, are provided.
Disclosure of Invention
The invention aims to solve the technical problems that: provides a speed change device which has compact structure, rich functions, simple and convenient operation and low use cost, and a seeder comprising the speed change device.
The solution of the invention is realized as follows: the invention provides a speed change device which is used on a seeder and comprises a box body, and an input shaft, a first shaft, a third shaft, a fourth shaft, a fifth shaft and a sixth shaft which are arranged in the box body, wherein driving bevel gears are arranged on the input shaft, the first shaft, the third shaft, the fourth shaft, the fifth shaft and the sixth shaft are arranged in parallel, and a shaft gear, driven bevel gears meshed with the driving bevel gears and second bevel gears are sequentially arranged on the first shaft; the three shafts are arranged on one side of the shaft, and three shaft gears meshed with the shaft gears are arranged on the three shafts; the four shafts are arranged at one end of the shaft, and are provided with second duplex teeth and second bevel teeth which are used for being meshed with the first bevel teeth; the five shafts are arranged on one side of the four shafts, a first double-tooth used for being meshed with the second double-tooth is arranged on each five shaft, and the first double-tooth can move on each five shaft; the six shafts are arranged on the other sides of the four shafts, six-shaft gears which are used for being meshed with the second duplex teeth are arranged on the six shafts, and the six-shaft gears can move on the six shafts. In the use process of the speed changing device with the structure, the three shafts, the four shafts, the five shafts and the six shafts can realize power output, and meanwhile, the five shafts and the six shafts can selectively output power or not output power, so that the speed changing device with the structure has the advantages of compact structure and rich functions compared with the speed changing device with the existing structure.
The other technical scheme of the invention is that the speed changing device further comprises two shafts, the two shafts are arranged between the first shaft and the three shafts, and power from the first shaft is transmitted to the three shafts after passing through the two shafts.
The other technical scheme of the invention is that on the basis of the above, a two-shaft gear is further arranged on the two shafts, one end of the two-shaft gear is meshed with the one-shaft gear, and the other end of the two-shaft gear is meshed with the three-shaft gear.
The speed change device comprises a gear, a worm wheel and a worm, wherein the gear comprises a worm wheel and a worm for driving the worm wheel to rotate, the worm wheel is arranged at one end of the four shafts close to one shaft, and power from one shaft is transmitted to the four shafts through the worm wheel and the worm and drives the four shafts to rotate.
The other technical scheme of the invention is that on the basis of the above, the second bevel gear is arranged at one end of the worm, when the first bevel gear rotates, the second bevel gear is driven to rotate, and when the second bevel gear rotates, the worm is driven to rotate.
The other technical scheme of the invention is that on the basis of the above, the first duplex teeth comprise first duplex driving teeth and first duplex driven teeth, and the tooth diameter of the first duplex driving teeth is larger than that of the first duplex driven teeth; the second duplex teeth comprise second duplex driving teeth and second duplex driven teeth, and the tooth diameter of the second duplex driving teeth is smaller than that of the second duplex driven teeth; the first double driving teeth are used for being meshed with the second double driving teeth, and the first double driven teeth are used for being meshed with the second double driven teeth.
The other technical scheme of the invention is that on the basis of the above, a first shifting fork is further arranged on the first duplex gear, and the first shifting fork is used for driving the first duplex gear to move on the five shafts.
The other technical scheme of the invention is that on the basis of the above, one side of the six-axis gear is also provided with a second shifting fork, and the second shifting fork is used for driving the six-axis gear to move on the six axis.
In another aspect, the invention also provides a planter comprising a speed change device, wherein the speed change device is the speed change device.
The other technical scheme of the invention is that on the basis of the above, the seeder further comprises a fertilizer distributor, a first chain wheel and a second chain wheel are arranged on one side of the fertilizer distributor, the first chain wheel and the second chain wheel are connected through a chain, the first chain wheel is arranged at one end of a five-shaft of the speed change device, and the fertilizer distributor is driven to work when the five-shaft rotates; the seeder further comprises a seed sowing device, a third chain wheel and a fourth chain wheel are further arranged on one side of the seed sowing device, the third chain wheel and the fourth chain wheel are connected through a chain, the third chain wheel is arranged at one end of a six-shaft of the speed changing device, and the seed sowing device is driven to work when the six wheels rotate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic view of a planter in accordance with the present invention;
FIG. 2 is a schematic diagram of the transmission principle of the transmission of FIG. 1;
FIG. 3 is a schematic illustration of the six-axis double-tooth engagement of FIG. 2.
The reference sign correspondence is:
1 driving bevel gear 2 driven bevel gear 3 one-axis gear
4 One-axis 5 two-axis gear 6 two-axis
7 Triaxial gear 8 triaxial 9 first bevel gear
10 Second conical teeth 11 first shifting fork 12 first duplex teeth
1202 First double drive teeth 1203 first double driven teeth
13 Five-axis 14 four-axis 15 second duplex gear
1502 Second double drive teeth 1503 second double driven teeth
16 Six-shaft 17 six-shaft gear 18 second shifting fork
19 Worm wheel 20 worm 21 first sprocket
22 Chain 23 second sprocket 24 fertilizer apparatus
25 Third sprocket 26 fourth sprocket 27 seed metering device
28 Knife roller 29 input shaft
Detailed Description
The following detailed description of the invention, taken in conjunction with the accompanying drawings, is given by way of illustration and explanation only, and should not be taken as limiting the scope of the invention in any way. Furthermore, the features in the embodiments and in the different embodiments in this document can be combined accordingly by a person skilled in the art from the description of this document.
As shown in fig. 1 to 3, the speed change device specifically includes a box, an input shaft 29, a first shaft 4, a third shaft 8, a fourth shaft 14, a fifth shaft 13 and a sixth shaft 16 disposed in the box, the input shaft 29 is provided with driving bevel gears 1, the first shaft 4, the third shaft 8, the fourth shaft 14, the fifth shaft 13 and the sixth shaft 16 are disposed in parallel in the box, and the first shaft 4 is provided with a shaft gear 3, a driven bevel gear 2 engaged with the driving bevel gears 1 and a second bevel gear 10 sequentially from top to bottom. The triaxial 8 is arranged on one side of a shaft 4, specifically on the right side of a shaft 4, and the triaxial 8 is provided with a triaxial gear 7 meshed with a shaft gear 3. The four-axis 14 is disposed at one end of the shaft 4, i.e., the lower end as shown in fig. 2, and the four-axis 14 is provided with a second double-teeth 15 and a second bevel gear 10 for meshing with the first bevel gear 9. The five shaft 13 is provided with a four-shaft 14 on one side, i.e. the left end as shown in fig. 2, and the five shaft 13 is provided with a first double tooth 12 for engagement with a second double tooth 15, and the first double tooth 12 is movable back and forth over said five shaft 13. The six-axis 16 is disposed on the other side of the four-axis 14, i.e., on the right side as viewed in the drawing, a six-axis gear 17 for meshing with the second double teeth 15 is provided on the six-axis 16, and the six-axis gear 17 is movable back and forth on the six-axis 16. In the use process of the speed change device with the structure, the three shafts 8, the four shafts 14, the five shafts 13 and the six shafts 16 can realize power output, and meanwhile, the five shafts 13 and the six shafts 16 can selectively output power or not output power, so that the speed change device with the structure has the advantages of compact structure and rich functions compared with the speed change device with the existing structure.
In another embodiment of the present invention, as shown in fig. 2, the transmission further includes two shafts 6, the two shafts 6 are disposed between the first shaft 4 and the three shafts 8, and the power from the input shaft 29 is transmitted to the two shafts 6 through the first shaft 4 and then to the three shafts 8.
In another embodiment of the present invention, as shown in fig. 2, a two-shaft gear 5 is further disposed on the two-shaft 6, the left end of the two-shaft gear 5 is meshed with the first-shaft gear 3, and the right end of the two-shaft gear 5 is meshed with the three-shaft gear 7. When the input shaft 29 drives the first shaft 4 to rotate, the first shaft 4 drives the first shaft gear 3 to rotate, the first shaft gear 3 drives the second shaft gear 5 to rotate, the second shaft gear 5 drives the third shaft gear 7 to rotate, and when the third shaft gear 7 rotates, the third shaft 8 is driven to rotate, so that the power output of the third shaft 8 is realized.
In another embodiment of the present invention, as shown in fig. 2, the speed changing device further includes a worm gear and worm, the worm gear and worm includes a worm wheel 19 and a worm 20 for driving the worm wheel 19 to rotate, the worm wheel 19 is disposed at one end of the four shafts 14 near the one shaft 4, i.e. the upper end in the drawing, when the one shaft 4 rotates, the power from the one shaft 4 is transmitted to the worm wheel 19 through the worm 20 and then transmitted to the four shafts 14, so as to drive the four shafts 14 to rotate, and the four shafts 14 realize power output.
In another embodiment of the present invention, as shown in fig. 2, the second bevel gear 10 is specifically disposed at one end of the worm 20, that is, the left end in the drawing, when the first bevel gear 9 rotates, the second bevel gear 10 is driven to rotate, when the second bevel gear 10 rotates, the worm 20 is driven to rotate, when the worm 20 rotates, the worm wheel 19 is driven to rotate, and when the worm wheel 19 rotates, the four-axis 14 is driven to rotate.
In another embodiment of the present invention, as shown in fig. 2 and 3, the first double teeth 12 include a first double driving tooth 1202 and a first double driven tooth 1203 disposed on one side of the first double driving tooth 1202, and in order to achieve different power outputs, the tooth diameter of the first double driving tooth 1202 is larger than the tooth diameter of the first double driven tooth 1203. Likewise, the second double drive teeth 15 include a second double drive tooth 1502 and a second double driven tooth 1503 disposed on one side of the second double drive tooth 1502, and, to achieve different power outputs, the tooth diameter of the second double drive tooth 1502 is smaller than the tooth diameter of the second double driven tooth 1503. The first double driving tooth 1202 is used to mesh with the second double driving tooth 1502, the first double driven tooth 1203 is used to mesh with the second double driven tooth 1503, and the five shafts 13 output power at a low rotation speed when the first double driving tooth 1202 is used to mesh with the second double driving tooth 1502. While when the first double driven tooth 1203 meshes with the second double driven tooth 1503, the five shaft 13 outputs power at a high rotational speed. When the first double driving tooth 1202 is not meshed with the second double driving tooth 1502, the first double driven tooth 1203 is not meshed with the second double driven tooth 1503, and the five shafts 13 are not rotated, and no power is output.
In another embodiment of the present invention, as shown in fig. 2, the first duplex gear 12 is further provided with a first shift fork 11, where the first shift fork 11 is used to drive the first duplex gear 12 to move on the fifth shaft 13, and under the action of the first shift fork 11, the first duplex driving gear 1202 may be meshed with the second duplex driving gear 1502, that is, the fifth shaft 13 outputs power at a high rotation speed, the first duplex driven gear 1203 may be meshed with the second duplex driven gear 1503, that is, the fifth shaft 13 outputs power at a low rotation speed, and the first duplex driving gear 1202 may be meshed with the second duplex driving gear 1502, and the first duplex driven gear 1203 may not be meshed with the second duplex driven gear 1503, where the fifth shaft 13 does not rotate and is unpowered.
In another embodiment of the present invention, as shown in fig. 2, a second shifting fork 18 is further disposed on one side of the six-axis gear 17, where the second shifting fork 18 is used to drive the six-axis gear 17 to move on the six-axis gear 16, the six-axis gear 17 can be meshed with the driven teeth of the second duplex 15 under the action of the second shifting fork 18, at this time, the six-axis gear 16 outputs power, and when the six-axis gear 17 can not be meshed with the driven teeth of the second duplex 15, at this time, the six-axis gear 16 does not rotate and no power is output.
In another aspect, the present invention also provides a planter comprising a transmission, more specifically, a transmission as described above.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the planter further includes a plurality of fertilizer applicators 24, one side of the fertilizer applicators 247 is further provided with a first sprocket 21 and a second sprocket 23, the first sprocket 21 is connected with the second sprocket 23 through a chain 22, the first sprocket 21 is specifically disposed at one end of the five shaft 13 and is driven to rotate by the five shaft 13, and when the five shaft 13 rotates, the first sprocket 21 is driven to rotate, the first sprocket 21 drives the second sprocket 23 to rotate through the chain 22, so as to drive the fertilizer applicators 24 to work. The seeder further comprises a plurality of seed metering devices 27, one side of each seed metering device 27 is further provided with a third chain wheel 25 and a fourth chain wheel 26, the third chain wheels 25 and the fourth chain wheels 26 are connected through a chain 22, the third chain wheels 25 are specifically arranged at one ends of the six shafts 16 and are driven to rotate through the six shafts 16, when the six shafts 16 rotate, the third chain wheels 25 are driven to rotate, the third chain wheels 25 drive the fourth chain wheels 26 to rotate through the chain 22, and then the seed metering devices 27 are driven to work. In addition, the seeder is further provided with a knife roll 28, specifically, the knife roll 28 is arranged at one end of the triaxial 8, and when the triaxial 8 rotates, the knife roll 28 is driven to rotate.
The seeder with the structure has the advantages of simple and compact structure, rich functions, convenient operation and low use cost because of the simple and compact structure of the speed changing device as described above.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The speed change device is used for a seeder and is characterized by comprising a box body, and an input shaft, a first shaft, a third shaft, a fourth shaft, a fifth shaft and a sixth shaft which are arranged in the box body, wherein driving bevel gears are arranged on the input shaft, the first shaft, the third shaft, the fourth shaft, the fifth shaft and the sixth shaft are arranged in parallel, and a shaft gear, driven bevel gears meshed with the driving bevel gears and first bevel gears are sequentially arranged on the first shaft;
The three shafts are arranged on one side of the shaft, and three shaft gears meshed with the shaft gears are arranged on the three shafts;
The four shafts are arranged at one end of the shaft, and are provided with second duplex teeth and second bevel teeth which are used for being meshed with the first bevel teeth;
The five shafts are arranged on one side of the four shafts, a first double-tooth used for being meshed with the second double-tooth is arranged on each five shaft, and the first double-tooth can move on each five shaft;
the six shafts are arranged on the other sides of the four shafts, six-shaft gears which are used for being meshed with the second duplex teeth are arranged on the six shafts, and the six-shaft gears can move on the six shafts.
2. The transmission according to claim 1, further comprising a two-shaft disposed between the first shaft and the three shafts, wherein power from the first shaft is transmitted to the three shafts through the two shafts.
3. The speed change device according to claim 2, wherein a two-shaft gear is further provided on the two shafts, one end of the two-shaft gear is meshed with the one-shaft gear, and the other end of the two-shaft gear is meshed with the three-shaft gear.
4. The transmission according to claim 3, further comprising a worm gear, the worm gear comprising a worm wheel and a worm for driving the worm wheel to rotate, the worm wheel being disposed at an end of the four shafts adjacent to one shaft, and power from the one shaft being transmitted to the four shafts via the worm wheel and the worm and driving the four shafts to rotate.
5. The transmission of claim 4, wherein the second bevel gear is disposed at one end of the worm, and wherein the first bevel gear rotates to rotate the second bevel gear, and wherein the second bevel gear rotates to rotate the worm.
6. The transmission of claim 5, wherein the first double teeth include a first double drive tooth and a first double driven tooth, the first double drive tooth having a tooth diameter greater than a tooth diameter of the first double driven tooth;
The second duplex teeth comprise second duplex driving teeth and second duplex driven teeth, and the tooth diameter of the second duplex driving teeth is smaller than that of the second duplex driven teeth;
The first double driving teeth are used for being meshed with the second double driving teeth, and the first double driven teeth are used for being meshed with the second double driven teeth.
7. The transmission of claim 6, wherein the first double-tooth is further provided with a first shift fork, and the first shift fork is used for driving the first double-tooth to move on the five shafts.
8. The transmission according to claim 7, wherein a second fork is further provided at one side of the six-axis gear, and the second fork is used for driving the six-axis gear to move on the six-axis.
9. A planter comprising a transmission device, characterized in that said transmission device is a transmission device according to any one of claims 1 to 8.
10. The planter according to claim 9, further comprising a fertilizer device, wherein a first sprocket and a second sprocket are further arranged on one side of the fertilizer device, the first sprocket and the second sprocket are connected through a chain, the first sprocket is arranged at one end of a five-shaft of the speed change device, and the fertilizer device is driven to work when the five-shaft rotates;
the seeder further comprises a seed sowing device, a third chain wheel and a fourth chain wheel are further arranged on one side of the seed sowing device, the third chain wheel and the fourth chain wheel are connected through a chain, the third chain wheel is arranged at one end of a six-shaft of the speed changing device, and the seed sowing device is driven to work when the six wheels rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332902.8A CN110118242B (en) | 2019-04-24 | 2019-04-24 | Speed change device and seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332902.8A CN110118242B (en) | 2019-04-24 | 2019-04-24 | Speed change device and seeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110118242A CN110118242A (en) | 2019-08-13 |
| CN110118242B true CN110118242B (en) | 2024-04-26 |
Family
ID=67521339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910332902.8A Active CN110118242B (en) | 2019-04-24 | 2019-04-24 | Speed change device and seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118242B (en) |
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| JP2018038371A (en) * | 2016-09-09 | 2018-03-15 | 株式会社クボタ | Transmission device for lowland implement |
| CN108541422A (en) * | 2018-06-24 | 2018-09-18 | 柴怀德 | Corn drill |
| CN210919989U (en) * | 2019-04-24 | 2020-07-03 | 长沙桑铼特农业机械设备有限公司 | Speed change gear and seeder |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2288481A1 (en) * | 1999-03-04 | 2000-09-04 | Deere & Company | Flexible rotatable drive shaft for a row crop planting unit |
| CN201290234Y (en) * | 2008-11-07 | 2009-08-19 | 安徽天时插秧机制造有限公司 | Gear box for transplanter |
| CN201323747Y (en) * | 2008-11-28 | 2009-10-14 | 李留年 | Multi-functional no-tillage fertilizing seeder |
| CN201690781U (en) * | 2010-07-07 | 2011-01-05 | 张学法 | Sowing fertilizer applicator mechanical driving device |
| CN102860155A (en) * | 2012-09-07 | 2013-01-09 | 中国农业大学 | Regrinding banded rotary tillage planter |
| CN203590708U (en) * | 2013-12-14 | 2014-05-14 | 徐惠山 | Novel multifunctional seeder |
| CN105165156A (en) * | 2015-09-29 | 2015-12-23 | 哈尔滨市金马农机配件制造有限公司 | Novel rotary tillage, sowing and fertilization device |
| CN205681804U (en) * | 2016-06-21 | 2016-11-16 | 吉林省农业科学院 | A kind of corn drill |
| CN205865038U (en) * | 2016-08-19 | 2017-01-11 | 哈尔滨汇精源农机制造有限公司 | Two pearl hill -drop planters of penetrating big ridge single file of two sides of maize |
| JP2018038371A (en) * | 2016-09-09 | 2018-03-15 | 株式会社クボタ | Transmission device for lowland implement |
| CN108541422A (en) * | 2018-06-24 | 2018-09-18 | 柴怀德 | Corn drill |
| CN210919989U (en) * | 2019-04-24 | 2020-07-03 | 长沙桑铼特农业机械设备有限公司 | Speed change gear and seeder |
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