CN109121593B - Chinese yam seeder - Google Patents
Chinese yam seeder Download PDFInfo
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- CN109121593B CN109121593B CN201811311613.1A CN201811311613A CN109121593B CN 109121593 B CN109121593 B CN 109121593B CN 201811311613 A CN201811311613 A CN 201811311613A CN 109121593 B CN109121593 B CN 109121593B
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- seed
- seed metering
- baffle
- compaction
- yam
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- 240000001811 Dioscorea oppositifolia Species 0.000 title claims abstract description 27
- 235000002722 Dioscorea batatas Nutrition 0.000 title claims abstract description 26
- 235000006536 Dioscorea esculenta Nutrition 0.000 title claims abstract description 26
- 235000003416 Dioscorea oppositifolia Nutrition 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 235000004879 dioscorea Nutrition 0.000 claims abstract description 42
- 238000009331 sowing Methods 0.000 claims abstract description 19
- 239000000575 pesticide Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 57
- 238000005056 compaction Methods 0.000 claims description 40
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009418 agronomic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention provides a Chinese yam planter, which comprises a ditching device, a seed metering device, a pesticide spraying device, a ridging device and a compacting device, wherein the seed metering device comprises a seed groove mechanism, the seed groove mechanism comprises a seed groove inner shell and a seed groove outer shell, and the seed groove inner shell is arranged in the seed groove outer shell in a push-pull manner; according to the seed groove mechanism, the seed sowing device and the seeder, the inner seed groove shell is arranged in the outer seed groove shell in a sliding manner, so that the seed groove mechanism can adapt to yam seeds with various lengths, inconvenience caused by the need of replacing the seed groove mechanism due to the adaptation to the yam seeds with different lengths is solved, meanwhile, the mechanical operation of yam sowing is realized, the rolling times to the land are reduced, the sowing efficiency is greatly improved, the labor cost is saved, and a large amount of labor force is released.
Description
Technical Field
The invention belongs to the technical field of sowing, and particularly relates to a Chinese yam sowing machine.
Background
The research and development of Chinese yam sowing machines in China is in a starting stage, and part of working procedures realize mechanized operations, such as ditching, seed metering, ridging, compaction and the like. The main working procedures of planting the Chinese yam plants and the Chinese yam seed blocks are mechanized, but the mechanized sowing is not widely used due to strict agronomic requirements. The existing Chinese yam planter has the problems of narrow application range and the like for Chinese yam seeds with different lengths, the later adjustment work is complex, the working environment is poor, the earthing compaction device is relatively simple, and the existing earthing compaction device can not adapt to the requirements of various properties of soil on ridge shape and ridge width. The planting modes of different terrains, different soil characters, various row spacing and plant spacing are poor in adaptability, and the mechanized sowing mode is single. The technical development links of fertilization, compaction, and the like after the yam is sown are weak, so that a production technical system is not matched, the whole process of the yam is low in mechanical level, and the agricultural labor productivity is seriously weakened.
In view of the above, it is necessary to provide a yam planter that can accommodate yam seeds of various lengths and can accommodate the requirements of various trait soils for ridge width.
Disclosure of Invention
Aiming at the technical problems, the invention provides the Chinese yam seeder which can adapt to Chinese yam seeds with various lengths and can adapt to the requirements of various character soil on ridge width.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the three-point suspension device is fixedly connected with the frame, the Chinese yam seeder further comprises a transmission device and a seed metering device, the transmission device and the seed metering device are connected with the frame, and the transmission device comprises a land wheel, a land wheel rotating shaft and a bevel gear transmission mechanism for transmitting the power of the land wheel rotating shaft to the seed metering device;
the land wheel is coaxially connected with the land wheel rotating shaft, and the bevel gear transmission mechanism is in transmission connection with the land wheel rotating shaft and the seed sowing device;
the seed metering device comprises a seed groove mechanism for placing yam seeds and a seed metering transmission mechanism for driving the seed groove mechanism to operate, wherein the seed groove mechanism is connected with the seed metering transmission mechanism, and the seed metering transmission mechanism is in transmission connection with the bevel gear transmission mechanism;
the seed tank mechanism comprises a seed tank inner shell and a seed tank outer shell, the seed tank inner shell is arranged in the seed tank outer shell in a pushing and pulling manner, the seed tank outer shell comprises a first side baffle, a first cambered surface baffle and a first plane baffle, the first side baffle, the first cambered surface baffle and the first plane baffle are integrally formed, the seed tank inner shell comprises a second side baffle, a second cambered surface baffle and a second plane baffle, and the second side baffle, the second cambered surface baffle and the second plane baffle are integrally formed;
the first cambered surface baffle plate is in opposite contact with the second cambered surface baffle plate, the first plane baffle plate is in opposite contact with the second plane baffle plate, and the first side baffle plate and the second side baffle plate are opposite and away from each other;
the seed groove mechanism is further provided with screws, the first cambered surface baffle is provided with a plurality of first threaded through holes, the second cambered surface baffle is provided with a second threaded through hole, and the first threaded through holes and the second threaded through holes are correspondingly arranged in the horizontal direction and fixedly connected through the screws.
Preferably, the land wheel rotating shaft is provided with a main chain wheel, the land wheel rotating shaft and the main chain wheel are coaxially arranged, and the bevel gear transmission mechanism comprises a bevel gear driving shaft, a bevel gear driven shaft, a first annular chain and a second annular chain;
the bevel gear driving shaft is coaxially provided with a first sprocket and a first bevel gear, the bevel gear driven shaft is coaxially provided with a second sprocket and a second bevel gear, and the second sprocket is composed of three sprockets which are coaxially arranged and have different diameters;
the first annular chain is in meshed connection with the main chain wheel and the first chain wheel, the first bevel gear is in meshed connection with the second bevel gear, and the second annular chain is in meshed connection with the second chain wheel and the seed sowing transmission mechanism.
Preferably, the seed metering transmission mechanism comprises a seed metering driving shaft, a seed metering driven shaft and a seed metering annular chain, wherein the seed metering driving shaft is provided with a seed metering driving sprocket, the seed metering driven shaft is provided with a seed metering driven sprocket, and the seed metering annular chain is in meshed connection with the seed metering driving sprocket and the seed metering driven sprocket;
the seed metering driving shaft is provided with a seed metering auxiliary chain wheel, and the second annular chain is in meshed connection with the second chain wheel and the seed metering auxiliary chain wheel.
Preferably, the seed groove inner shell is provided with a conical guide block, and the guide block is fixedly connected with the seed groove inner shell;
preferably, the yam seeder further comprises a compaction device, wherein the compaction device comprises a compaction rotating shaft, a compaction shaft sleeve and two hollow round table-shaped compaction rollers;
the compaction rotating shaft is rotationally connected with the frame; the compaction shaft sleeve is fixedly connected to the radial outer side of the compaction rotating shaft, and the two compaction rollers are respectively connected to the two axial ends of the compaction shaft sleeve;
the compaction roller is provided with a guide hole, an annular cylinder is convexly arranged on the outer circumferential surface of the compaction shaft sleeve, and the guide hole is in sliding connection with the annular cylinder;
the compacting device further comprises an adjusting assembly, the adjusting assembly comprises an adjusting knob, a first pressure spring and a second pressure spring, the adjusting knob is provided with external threads, the two axial ends of the compacting shaft sleeve are provided with internal threads, the external threads of the adjusting knob are in threaded connection with the internal threads of the compacting shaft sleeve so as to move along the axial direction of the compacting shaft sleeve, the radial inner side of the compacting roller is provided with a reinforcing rib plate perpendicular to the compacting shaft, one side of the first pressure spring is in abutting connection with the adjusting knob, the other side of the first pressure spring is in abutting connection with one side of the reinforcing rib plate, which deviates from the annular cylinder, one side of the second pressure spring is in abutting connection with the annular cylinder, and the other side of the second pressure spring is in abutting connection with one side of the reinforcing rib plate, which is close to the annular cylinder.
Preferably, the outer circumferential surface of the annular cylinder is provided with a guide groove, the radial inner side of the compaction roller is also provided with a guide plate perpendicular to the reinforcing rib plate, the guide plate is inserted into the guide groove, and the guide plate is in sliding connection with the guide groove.
Preferably, the yam seeder further comprises a ridging device, the compacting device is arranged at the rear end of the frame and is arranged below the frame by taking the advancing direction of the yam seeder as a reference direction, and the ridging device is arranged in front of the compacting device and is arranged below the frame.
Preferably, the yam seeder further comprises a furrow opener, the furrow opener is located at the front end of the frame and mounted below the frame by taking the advancing direction of the yam seeder as a reference direction, a depth limiting wheel is further arranged at the rear of the furrow opener, and the depth limiting wheel is mounted below the frame.
Preferably, the seed metering device further comprises a seed metering protection shell, the seed metering protection shell is fixedly connected with the frame, the seed groove mechanism and the seed metering transmission mechanism are installed in the seed metering protection shell, a seed metering opening is formed in the bottom of the seed metering protection shell, a seed inlet is formed in the side portion of the seed metering protection shell, the Chinese yam planter further comprises a seat, and the seat is installed on the frame and is opposite to one side, provided with the seed inlet, of the seed metering protection shell.
Preferably, the yam seeder further comprises a pesticide spraying device, the pesticide spraying device comprises a pesticide box, a pipeline and a spray nozzle, the pesticide box is installed above the frame, one end of the pipeline is connected with the pesticide box through a pipeline, the other end of the pipeline is connected with the spray nozzle through a pipeline, and the spray nozzle is arranged in front of the seed outlet by taking the advancing direction of the yam seeder as a reference direction.
The invention has the advantages and positive effects that:
1. according to the yam planter disclosed by the invention, firstly, the inner shell of the seed groove is arranged in the outer shell of the seed groove in a push-pull manner, so that yam seeds with various lengths can be adapted, and the inconvenience caused by the need of replacing a seed groove mechanism due to the adaptation of the yam seeds with different lengths is solved;
2. the seed groove mechanism, the seed metering device and the seeder can control the plant spacing to be uniform, so as to meet the requirement of reasonable close planting;
3. according to the yam seeder provided by the invention, the adjusting component is arranged to provide a control pretightening force for the first pressure spring and the second pressure spring through the adjusting knob, so that the axial position of the compaction roller is adjusted to adapt to ridge width adjustment in a certain range;
4. according to the yam seeder, the second chain wheel is composed of three chain wheels which are coaxially arranged and have different diameters through the transmission device, and different transmission ratios can be arranged by being in transmission connection with the seed metering auxiliary chain wheel, so that the transmission ratio of the last stage of transmission is changed, and the seeding with different plant distances is realized.
5. According to the yam seeder, the ditching device, the seed metering device, the pesticide spraying device, the ridging device and the compacting device are integrated, so that the mechanical operation of yam seeding is realized, the rolling times of the soil are reduced, the seeding efficiency can be greatly improved, the labor cost is saved, and a large amount of labor force is released.
Drawings
FIG. 1 is a schematic diagram of a yam planter in accordance with the present invention;
FIG. 2 is a schematic view of a yam planter according to the present invention;
FIG. 3 is a schematic diagram of a transmission mechanism according to the present invention;
FIG. 4 is a schematic view of the bevel gear transmission mechanism of the present invention;
FIG. 5 is a schematic view of a slot mechanism according to the present invention;
FIG. 6 is a schematic cross-sectional view of a seed groove mechanism according to the present invention;
FIG. 7 is a schematic cross-sectional view of a seed groove mechanism according to the present invention;
FIG. 8 is a schematic view of a seed metering transmission mechanism of the present invention;
FIG. 9 is a schematic view of a seed metering device of the present invention;
FIG. 10 is a schematic cross-sectional view of a compaction apparatus according to the present invention;
FIG. 11 is a schematic view of a compacting apparatus according to the present invention;
in the figure: 1. a seed groove mechanism; 11. a seed tank housing; 111. a first planar baffle; 112. a first cambered surface baffle; 1121. a first threaded through hole; 113. a first side baffle; 114. a fixing member; 12. a seed groove inner shell; 121. a second planar baffle; 122. a second cambered surface baffle; 1221. a second threaded through hole; 123. a second side baffle; 124. a guide block; 13. a screw; 2. a seed metering transmission mechanism; 21. a seed metering driving shaft; 211. a seed metering driving sprocket; 212. a seed metering auxiliary chain wheel; 22. seed metering driven shafts; 221. a seed metering driven sprocket; 23. a seeding ring-shaped chain; 3. a seed metering protective housing; 31. a seed inlet; 32. a seed metering port; 4. a compacting device; 41. compacting the rotating shaft; 42. compacting the shaft sleeve; 421. an annular column; 4211. a guide groove; 43. compacting rollers; 431. a guide hole; 432. reinforcing rib plates; 433. a guide plate; 441. an adjustment knob; 442. a first pressure spring; 443. a second pressure spring; 5. a transmission device; 51. a bevel gear drive shaft; 511. a first sprocket; 512. a first bevel gear; 52. a bevel gear driven shaft; 521. a second sprocket; 522. a second bevel gear; 53. a first endless chain; 54. a second endless chain; 55. a land wheel; 56. a land wheel rotating shaft; 561. a main sprocket; 6. a furrow opener; 7. a spraying device; 8. a ridging device; 9. and (5) a seat.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that, in the embodiment, the circumferential direction of the element is circumferential, and the radial direction is radial; the directions of rotation axes of the elements are axial, and the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "front", "rear", etc. are positional relationships based on the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the yam seeder comprises a three-point suspension device and a rack, wherein the three-point suspension device is used for connecting driving equipment, the three-point suspension device is fixedly connected with the rack, the yam seeder further comprises a transmission device 5 and a seed metering device, the transmission device 5 and the seed metering device are connected with the rack, and the transmission device 5 comprises a land wheel 55, a land wheel rotating shaft 56 and a bevel gear transmission mechanism used for transmitting the power of the land wheel rotating shaft 56 to the seed metering device;
the land wheel 55 is coaxially connected with the land wheel rotating shaft 56, and the bevel gear transmission mechanism is in transmission connection with the land wheel rotating shaft 56 and the seed sowing device;
the seed metering device comprises a seed groove mechanism 1 for placing yam seeds and a seed metering transmission mechanism 2 for driving the seed groove mechanism 1 to operate, wherein the seed groove mechanism 1 is connected with the seed metering transmission mechanism 2, and the seed metering transmission mechanism 2 is in transmission connection with the bevel gear transmission mechanism;
as shown in fig. 5 to 9, the seed groove mechanism 1 includes a seed groove inner shell 12 and a seed groove outer shell 11, the seed groove inner shell 12 is slidably installed in the seed groove outer shell 11, the seed groove outer shell 11 includes a first side baffle 113, a first curved baffle 112 and a first plane baffle 111, the first side baffle 113, the first curved baffle and the first plane baffle 111 are integrally formed, the seed groove inner shell 12 includes a second side baffle 123, a second curved baffle 122 and a second plane baffle 121, and the second side baffle 123, the second curved baffle and the second plane baffle 121 are integrally formed; the first cambered surface baffle 112 is in opposite contact with the second cambered surface baffle 122, the first plane baffle 111 is in opposite contact with the second plane baffle 121, and the first side baffle 113 is opposite and away from the second side baffle 123; the seed groove mechanism 1 is further provided with a screw 13, the first cambered surface baffle 112 is provided with a plurality of first threaded through holes 1121, the second cambered surface baffle 122 is provided with a second threaded through hole 1221, the first threaded through holes 1121 and the second threaded through holes 1221 are correspondingly arranged in the horizontal direction and are fixedly connected through the screw 13, and the second threaded through holes 1221 and the first threaded through holes 1121 at different positions are connected through the screw 13 to adjust the length of the seed groove mechanism 1.
With continued reference to fig. 3 and 4, the ground wheel rotating shaft 56 is provided with a main sprocket 561, the ground wheel rotating shaft 56 is coaxially arranged with the main sprocket 561, and the bevel gear transmission mechanism comprises a bevel gear driving shaft 51, a bevel gear driven shaft 52, a first annular chain 53 and a second annular chain 54; the first sprocket 511 and the first bevel gear 512 are coaxially mounted on the bevel gear driving shaft 51, the second sprocket 521 and the second bevel gear 522 are coaxially mounted on the bevel gear driven shaft 52, and the second sprocket 521 is composed of three sprockets which are coaxially arranged and have different diameters (i.e., the number of teeth of the three sprockets having different diameters is different); the first endless chain 53 is engaged with the main sprocket 561 and the first sprocket 511, the first bevel gear 512 is engaged with the second bevel gear 522, and the second endless chain 54 is engaged with the second sprocket 521 and the seed metering transmission mechanism 2.
As shown in fig. 8, the seed metering transmission mechanism 2 includes a seed metering driving shaft 21, a seed metering driven shaft 22, and a seed metering endless chain 23, the seed metering driving shaft 21 is provided with a seed metering driving sprocket 211, the seed metering driven shaft 22 is provided with a seed metering driven sprocket 221, and the seed metering endless chain 23 is in meshed connection with the seed metering driving sprocket 211 and the seed metering driven sprocket 221; the seed metering driving shaft 21 is provided with a seed metering auxiliary sprocket 212, and the second endless chain 54 is engaged with the second sprocket 521 and the seed metering auxiliary sprocket 212.
As shown in fig. 5 to 7, the inner seed tank shell 12 is provided with a tapered guide block 124, the guide block 124 is fixedly connected with the inner seed tank shell 12, and the inclined structure of the guide block 124 is used to slide the germinated end of the yam seed into contact with the first side baffle 113 or the second side baffle 123; the first cambered surface baffle 112 is provided with a first strip-shaped limiting block for limiting the second cambered surface baffle 122 in a protruding manner, and the first plane baffle 111 is provided with a second strip-shaped limiting block for limiting the second plane baffle 121 in a protruding manner; the first plane baffle 111 is further provided with a fixing piece 114 for installing the seed groove mechanism 1, the first plane baffle 111 is fixedly connected with the seed sowing annular chain 23 through the fixing piece 114, the seed sowing device is provided with a plurality of seed groove mechanisms 1, and a plurality of seed groove mechanisms are uniformly fixed on the seed sowing annular chain 23 so as to control plant spacing to be uniform and meet the requirement of reasonable close planting.
With continued reference to fig. 1 and 9, the seed metering device further comprises a seed metering protection shell 3, the seed metering protection shell 3 is fixedly connected with the frame, the seed groove mechanism 1 and the seed metering transmission mechanism 2 are installed in the seed metering protection shell 3, a seed metering port 32 is formed in the bottom of the seed metering protection shell 3, a seed inlet 31 is formed in the side portion of the seed metering protection shell 3, the Chinese yam planter further comprises a seat 9, and the seat 9 is installed on the frame and is opposite to one side, provided with the seed inlet 31, of the seed metering protection shell 3.
As shown in fig. 10 and 11, the yam planter also includes a compacting device 4, wherein the compacting device 4 includes a compacting spindle 41, a compacting sleeve 42, and two hollow truncated cone-shaped compacting rollers 43; the compaction rotating shaft 41 is rotatably connected with the frame; the compacting shaft sleeve 42 is fixedly connected to the radial outer side of the compacting rotating shaft 41, and the two compacting rollers 43 are respectively connected to two axial ends of the compacting shaft sleeve 42; the compaction roller 43 is provided with a guide hole 431, the outer circumferential surface of the compaction sleeve 42 is convexly provided with an annular cylinder 421, and the guide hole 431 is slidably connected with the annular cylinder 421; the compacting device 4 further comprises an adjusting assembly, the adjusting assembly comprises an adjusting knob 441, a first pressure spring 442 and a second pressure spring 443, the adjusting knob 441 is provided with external threads, two axial ends of the compacting shaft sleeve 42 are provided with internal threads, the external threads of the adjusting knob 441 are in threaded connection with the internal threads of the compacting shaft sleeve 42 so as to move along the axial direction of the compacting shaft sleeve 42, the radial inner side of the compacting roller 43 is provided with a reinforcing rib plate 432 perpendicular to the compacting rotating shaft 41, one side of the first pressure spring 442 is in abutting connection with the adjusting knob 441, the other side of the first pressure spring 442 is in abutting connection with one side of the reinforcing rib plate 432, which is away from the annular cylinder 421, one side of the second pressure spring 443 is in abutting connection with one side of the reinforcing rib plate 432, which is close to the annular cylinder 421, and the adjusting assembly is provided with a control pre-tightening force for the first pressure spring 442 and the second pressure spring 443 through the adjusting knob 441 so as to adjust the position of the compacting roller 43 within a certain axial range; the outer circumferential surface of the annular cylinder 421 is provided with a guiding groove 4211, the radial inner side of the compacting roller 43 is also provided with a guiding plate 433 perpendicular to the reinforcing rib plate 432, the guiding plate 433 is inserted into the guiding groove 4211, and the guiding plate 433 is slidably connected with the guiding groove 4211, so that the reinforcing rib plate 432 moves along the guiding groove 4211 in the axial direction through the guiding plate 433; the compaction sleeve 42 is keyed to the compaction spindle 41 to prevent relative movement between the compaction sleeve 42 and the compaction spindle 41 in the circumferential direction.
As shown in fig. 1 and 2, the yam planter further includes a ridging device 8, the compacting device 4 is disposed at the rear end of the frame and is mounted below the frame with the advancing direction of the yam planter as a reference direction, and the ridging device 8 is disposed in front of the compacting device 4 and is mounted below the frame.
Further, the yam seeder further comprises a furrow opener 6, the furrow opener 6 is located at the front end of the frame and mounted below the frame by taking the advancing direction of the yam seeder as a reference direction, a depth limiting wheel is further arranged at the rear of the furrow opener 6, and the depth limiting wheel is mounted below the frame.
Further, the Chinese yam seeder further comprises a pesticide spraying device 7, the pesticide spraying device 7 comprises a pesticide box, a pipeline and a spray head, the pesticide box is arranged above the frame, one end of the pipeline is connected with the pesticide box through a pipeline, the other end of the pipeline is connected with the spray head through a pipeline, and the spray head is arranged in front of the seed outlet by taking the advancing direction of the Chinese yam seeder as the reference direction.
The working of the compacting device 4 is briefly described below: when the required ridge width is reduced, the adjusting knob 441 rotates towards the direction approaching the annular cylinder 421, and the pressure applied by the first pressure spring 442 is increased, so that a larger spring force is applied to the reinforcing rib 432, and the guide plate 433 moves along the guide groove 4211 towards the direction approaching the annular cylinder 421; simultaneously, the second pressure springs 443 compress to increase the spring force applied to the reinforcing rib 432 in the direction away from the annular cylinder 421, and the reinforcing rib 432 receives the spring force of the first pressure springs 442 and the second pressure springs 443 to reach a new balance; when the required ridge width is increased, the adjusting knob 441 rotates in a direction away from the annular cylinder 421, and at the moment, the pressure applied by the first pressure spring 442 is reduced, smaller spring force is applied to the reinforcing rib 432, and the guide plate 433 moves along the guide groove 4211 in a direction away from the annular cylinder 421; at the same time, the second pressure spring 443 is extended, so that the spring force applied to the reinforcing rib 432 in the direction away from the annular cylinder 421 is reduced, and the reinforcing rib 432 is balanced by the spring forces of the first pressure spring 442 and the second pressure spring 443.
When the Chinese yam seeder works, a person sits on the seat 9 of the frame, manually releases seeds into the seed groove mechanism 1 through the seed inlet 31, the three-point suspension device is connected with a tractor, the tractor drives the land wheel 55 to rotate so as to transmit power to the transmission mechanism through the land wheel rotating shaft 56, the transmission mechanism further drives the seed sowing transmission mechanism 2 of the seed sowing device to operate so as to drive the seed groove mechanism 1 to move, the Chinese yam seeds fall under the action of gravity in the operation process, are discharged through the seed sowing opening 32 and fall into a ditch formed by the furrow opener 6, meanwhile, the medicine box device applies relevant medicines into the ditch and is ridged by the ridging device 8 at the rear end of the frame, and the compaction device 4 is used for compacting after ridging.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; while the invention has been described in detail with reference to the foregoing embodiments, it will be appreciated by those skilled in the art that variations may be made in the techniques described in the foregoing embodiments, or equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a chinese yam seeder, includes three-point linkage and frame that is used for connecting actuating device, three-point linkage with frame fixed connection, its characterized in that: the Chinese yam seeder further comprises a transmission device, a seed metering device and a compaction device, wherein the transmission device and the seed metering device are connected with the frame, and the transmission device comprises a land wheel, a land wheel rotating shaft and a bevel gear transmission mechanism for transmitting the power of the land wheel rotating shaft to the seed metering device;
the land wheel is coaxially connected with the land wheel rotating shaft, and the bevel gear transmission mechanism is in transmission connection with the land wheel rotating shaft and the seed sowing device;
the seed metering device comprises a seed groove mechanism for placing yam seeds and a seed metering transmission mechanism for driving the seed groove mechanism to operate, wherein the seed groove mechanism is connected with the seed metering transmission mechanism, and the seed metering transmission mechanism is in transmission connection with the bevel gear transmission mechanism;
the seed tank mechanism comprises a seed tank inner shell and a seed tank outer shell, the seed tank inner shell is arranged in the seed tank outer shell in a pushing and pulling manner, the seed tank outer shell comprises a first side baffle, a first cambered surface baffle and a first plane baffle, the first side baffle, the first cambered surface baffle and the first plane baffle are integrally formed, the seed tank inner shell comprises a second side baffle, a second cambered surface baffle and a second plane baffle, and the second side baffle, the second cambered surface baffle and the second plane baffle are integrally formed;
the first cambered surface baffle plate is in opposite contact with the second cambered surface baffle plate, the first plane baffle plate is in opposite contact with the second plane baffle plate, and the first side baffle plate and the second side baffle plate are opposite and away from each other;
the seed groove mechanism is further provided with screws, the first cambered surface baffle is provided with a plurality of first threaded through holes, the second cambered surface baffle is provided with a second threaded through hole, and the first threaded through holes and the second threaded through holes are correspondingly arranged in the horizontal direction and fixedly connected through the screws;
the compaction device comprises a compaction rotating shaft, a compaction shaft sleeve and two hollow round table-shaped compaction rollers;
the compaction rotating shaft is rotationally connected with the frame; the compaction shaft sleeve is fixedly connected to the radial outer side of the compaction rotating shaft, and the two compaction rollers are respectively connected to the two axial ends of the compaction shaft sleeve;
the compaction roller is provided with a guide hole, an annular cylinder is convexly arranged on the outer circumferential surface of the compaction shaft sleeve, and the guide hole is in sliding connection with the annular cylinder;
the compacting device further comprises an adjusting assembly, the adjusting assembly comprises an adjusting knob, a first pressure spring and a second pressure spring, the adjusting knob is provided with external threads, the two axial ends of the compacting shaft sleeve are provided with internal threads, the external threads of the adjusting knob are in threaded connection with the internal threads of the compacting shaft sleeve so as to move along the axial direction of the compacting shaft sleeve, the radial inner side of the compacting roller is provided with a reinforcing rib plate perpendicular to the compacting shaft, one side of the first pressure spring is in abutting connection with the adjusting knob, the other side of the first pressure spring is in abutting connection with one side of the reinforcing rib plate, which deviates from the annular cylinder, one side of the second pressure spring is in abutting connection with the annular cylinder, and the other side of the second pressure spring is in abutting connection with one side of the reinforcing rib plate, which is close to the annular cylinder.
2. The yam planter as claimed in claim 1, wherein: the land wheel rotating shaft is provided with a main chain wheel, the land wheel rotating shaft and the main chain wheel are coaxially arranged, and the conical gear transmission mechanism comprises a conical gear driving shaft, a conical gear driven shaft, a first annular chain and a second annular chain;
the bevel gear driving shaft is coaxially provided with a first sprocket and a first bevel gear, the bevel gear driven shaft is coaxially provided with a second sprocket and a second bevel gear, and the second sprocket is composed of three sprockets which are coaxially arranged and have different diameters;
the first annular chain is in meshed connection with the main chain wheel and the first chain wheel, the first bevel gear is in meshed connection with the second bevel gear, and the second annular chain is in meshed connection with the second chain wheel and the seed sowing transmission mechanism.
3. The yam planter as claimed in claim 2, wherein: the seed metering transmission mechanism comprises a seed metering driving shaft, a seed metering driven shaft and a seed metering annular chain, wherein the seed metering driving shaft is provided with a seed metering driving sprocket, the seed metering driven shaft is provided with a seed metering driven sprocket, and the seed metering annular chain is in meshed connection with the seed metering driving sprocket and the seed metering driven sprocket;
the seed metering driving shaft is provided with a seed metering auxiliary chain wheel, and the second annular chain is in meshed connection with the second chain wheel and the seed metering auxiliary chain wheel.
4. The yam planter as claimed in claim 1, wherein: the seed tank inner shell is provided with a conical guide block, and the guide block is fixedly connected with the seed tank inner shell.
5. The yam planter as claimed in claim 1, wherein: the outer circumferential surface of the annular cylinder is provided with a guide groove, the radial inner side of the compaction roller is also provided with a guide plate perpendicular to the reinforcing rib plate, the guide plate is inserted into the guide groove, and the guide plate is in sliding connection with the guide groove.
6. The yam planter as claimed in claim 1, wherein: the Chinese yam seeder further comprises a ridging device, the compacting device is arranged at the rear end of the frame and is arranged below the frame by taking the advancing direction of the Chinese yam seeder as the reference direction, and the ridging device is arranged in front of the compacting device and is arranged below the frame.
7. The yam planter as claimed in claim 1, wherein: the Chinese yam seeder further comprises a furrow opener, the furrow opener is located at the front end of the frame and mounted below the frame by taking the advancing direction of the Chinese yam seeder as a reference direction, a depth limiting wheel is further arranged at the rear of the furrow opener, and the depth limiting wheel is mounted below the frame.
8. The yam planter as claimed in claim 1, wherein: the seed metering device still includes seed metering protection casing, seed metering protection casing with frame fixed connection, seed groove mechanism with seed metering drive mechanism installs in the seed metering protective housing, seed metering protection casing bottom is provided with seed metering mouth, seed metering protection casing lateral part is provided with into kind of mouth, the chinese yam seeder still includes the seat, the seat install in the frame with seed metering protection casing is provided with one side of entering kind of mouth is relative.
9. The yam planter as claimed in claim 8, wherein: the Chinese yam seeder further comprises a pesticide spraying device, the pesticide spraying device comprises a pesticide box, a pipeline and a spray nozzle, the pesticide box is arranged above the frame, one end of the pipeline is connected with the pesticide box through a pipeline, the other end of the pipeline is connected with the spray nozzle through a pipeline, and the spray nozzle is arranged in front of the seed discharging port by taking the advancing direction of the Chinese yam seeder as the reference direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311613.1A CN109121593B (en) | 2018-11-06 | 2018-11-06 | Chinese yam seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311613.1A CN109121593B (en) | 2018-11-06 | 2018-11-06 | Chinese yam seeder |
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| Publication Number | Publication Date |
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| CN109121593A CN109121593A (en) | 2019-01-04 |
| CN109121593B true CN109121593B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311613.1A Active CN109121593B (en) | 2018-11-06 | 2018-11-06 | Chinese yam seeder |
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| Country | Link |
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| CN (1) | CN109121593B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114303709B (en) * | 2022-01-07 | 2023-07-28 | 中国农业大学 | Drip irrigation yam accessory device for shallow planting and cultivation method |
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| JPH01273508A (en) * | 1988-04-23 | 1989-11-01 | Sukigara Noki Kk | Chinese yam planting machine |
| CN102714956A (en) * | 2012-06-26 | 2012-10-10 | 四川农业大学 | Adjustable hole sowing device |
| CN202773325U (en) * | 2012-08-16 | 2013-03-13 | 彭梦男 | Novel seeder |
| CN204377393U (en) * | 2014-11-19 | 2015-06-10 | 青岛农业大学 | A kind of Chinese yam sower |
| CN105144920A (en) * | 2015-06-20 | 2015-12-16 | 沈阳农业大学 | Cord-disc type fluid seeding and seed metering device |
| CN106717382A (en) * | 2016-08-09 | 2017-05-31 | 青岛农业大学 | A kind of gripping-type Chinese yam seeder |
| CN107535134A (en) * | 2017-08-07 | 2018-01-05 | 三河市万禾机械有限公司 | A kind of electrically driven (operated) high precision small seeder |
| CN209267996U (en) * | 2018-11-06 | 2019-08-20 | 青岛农业大学 | Chinese yam seeder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8543238B2 (en) * | 2010-01-18 | 2013-09-24 | James E. Straeter | Method and apparatus for changing seed varieties at the row unit of a planter |
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2018
- 2018-11-06 CN CN201811311613.1A patent/CN109121593B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273508A (en) * | 1988-04-23 | 1989-11-01 | Sukigara Noki Kk | Chinese yam planting machine |
| CN102714956A (en) * | 2012-06-26 | 2012-10-10 | 四川农业大学 | Adjustable hole sowing device |
| CN202773325U (en) * | 2012-08-16 | 2013-03-13 | 彭梦男 | Novel seeder |
| CN204377393U (en) * | 2014-11-19 | 2015-06-10 | 青岛农业大学 | A kind of Chinese yam sower |
| CN105144920A (en) * | 2015-06-20 | 2015-12-16 | 沈阳农业大学 | Cord-disc type fluid seeding and seed metering device |
| CN106717382A (en) * | 2016-08-09 | 2017-05-31 | 青岛农业大学 | A kind of gripping-type Chinese yam seeder |
| CN107535134A (en) * | 2017-08-07 | 2018-01-05 | 三河市万禾机械有限公司 | A kind of electrically driven (operated) high precision small seeder |
| CN209267996U (en) * | 2018-11-06 | 2019-08-20 | 青岛农业大学 | Chinese yam seeder |
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