CN111771483B - Hand-held multi-crop quantitative seeder - Google Patents
Hand-held multi-crop quantitative seeder Download PDFInfo
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- CN111771483B CN111771483B CN202010658007.8A CN202010658007A CN111771483B CN 111771483 B CN111771483 B CN 111771483B CN 202010658007 A CN202010658007 A CN 202010658007A CN 111771483 B CN111771483 B CN 111771483B
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- seed
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- transmission
- sowing
- seed sowing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
- A01C5/068—Furrow packing devices, e.g. press wheels
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The invention provides a hand-held multi-crop quantitative seeder, which comprises a frame, a push handle, a seed sowing device, a seeding device, a transmission device and a pressing device, wherein the push handle is arranged on the frame; the seed sowing device is arranged on the rack, the walking mechanism is arranged at the bottom of the rack and is connected with the power source; the push handle is connected with the frame; the seeding device is connected with the lower end opening of the shell of the seed metering device; the transmission device is also connected with the travelling mechanism, and the transmission device transmits the power of the travelling mechanism to a transmission shaft of the seed sowing device to drive the wheel to rotate; and the compacting device is arranged at the lower part of the frame. This seeder can sow in the unfavorable soil of plot or topography, can sow the seed of several kinds of different crops, can realize the ration seeding, can adopt the electrodynamic type mode of advancing, labour saving and time saving, and to a great extent has improved seeding efficiency, adjusts convenient to use and simple structure when seeding.
Description
Technical Field
The invention belongs to the technical field of crop sowing, and particularly relates to a hand-held multi-crop quantitative sowing machine.
Background
Crop seeding is an important link in the agricultural production process, and the quality of seeding directly influences the growth of crops and the yield of crops in the later period. Along with the development of social economy, crops use specialized seeder to sow now basically, but the use of seeder often receives the topography, the restriction of environment to the inconvenient soil through the seeder of plot or topography, need the manual work to sow, carry out artifical mound again after the seeding.
The implementation of accurate agriculture puts forward higher requirement to seeder seeding technique, and the precision seeding becomes the leading mode of seeding. However, most seeders do not have a quantitative seeding mechanism, and are inconvenient to adjust during seeding. The current seeder can't be convenient to the crops seed of difference changes, and availability factor is not high.
When seeding, a lot of land is ploughed, and the hand-push type seeding machine is very hard to walk due to soft soil and fluctuant road surface, so that the seeding efficiency of operators is seriously influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the hand-held multi-crop quantitative seeder, which can be used for seeding in small land or land with unfavorable topography, can be used for seeding seeds of different crops, can realize quantitative seeding, can adopt an electric advancing mode, is time-saving and labor-saving, improves the seeding efficiency to a great extent, is convenient to adjust and use during seeding, and has a simple structure.
The technical scheme of the invention is as follows: a hand-held multi-crop quantitative seeder comprises a frame, a push handle, a seed sowing device, a seeding device, a transmission device and a pressing device;
a seed discharging device is arranged on the rack and comprises a seed discharging bin, a seed discharging device shell, a seed discharging wheel, a wheel shaft, a wheel and a transmission shaft; the seed discharging bin is connected with an opening at the upper end of a seed discharging device shell, the lower end of the seed discharging device shell is installed on the rack, a seed discharging wheel is arranged in the seed discharging device shell, a seed wheel is arranged in the seed discharging wheel, the seed wheel is provided with a transmission shaft, one end of the transmission shaft is connected with a transmission device, and the other end of the transmission shaft is connected with the seed wheel shaft through a bearing; the seed sowing wheel and the seed wheel can rotate relatively and are positioned by the braking mechanism; a plurality of through hole arrays with different apertures are arranged on the seed sowing wheel, each through hole array comprises a plurality of rows of through holes with the same aperture, and the number of the through holes in each row is different; the seed wheel is provided with a plurality of rows of seed grooves, each row of seed grooves is provided with a plurality of groups of hole grooves, each group of hole grooves comprises a plurality of hole grooves with different apertures, and through holes on the seed wheel correspond to the hole grooves with the same aperture on the seed wheel in position;
the bottom of the rack is provided with a travelling mechanism, and the travelling mechanism is connected with a power source; the push handle is connected with the frame; the seeding device is connected with the lower end opening of the shell of the seed metering device; the transmission device is also connected with the travelling mechanism, and the transmission device transmits the power of the travelling mechanism to a transmission shaft of the seed sowing device to drive the wheel to rotate; the pressing device is arranged at the lower part of the frame.
In the above solution, the frame includes a mounting plate; the seed metering device is characterized in that a mounting plate is arranged on the rack, the seed metering device is arranged on the mounting plate, and a seed storage box is further arranged on the mounting plate.
In the above scheme, the travelling mechanism comprises a front wheel, a rear wheel, a wheel axle and a driving rear wheel; the front wheels are mounted at the front end of the bottom of the rack through front wheel supports, the rear wheels and the driving rear wheels are mounted at the bottom of the rack through rear wheel supports and located behind the front wheels, and the rear wheels are connected with the driving rear wheels through wheel shafts; the driving rear wheel is connected with a power source, and the transmission device is connected with a wheel shaft.
In the above scheme, the seed sowing device further comprises a seed sowing wheel support, a seed sowing wheel side top plate and a seed sowing wheel side top plate; the seed sowing wheel bracket is arranged on the mounting plate and is positioned at one side of the seed sowing device shell, and the seed wheel bracket is arranged on the mounting plate and is positioned at the other side of the seed sowing device shell; a side top plate of the seed sowing wheel is arranged on one side of the seed sowing wheel, and the side top plate of the seed sowing wheel is clamped into a clamping groove of the seed sowing wheel through a clamp nail of the side top plate; a seed sowing device side top plate is arranged on one side of the seed sowing device shell; one end of the transmission shaft sequentially penetrates through a seed sowing wheel side top plate, a seed sowing machine side top plate and a seed wheel bracket to be connected with the transmission device; one side of the wheel is provided with a bearing hole, and the other end of the transmission shaft penetrates through the bearing hole and is connected with one end of the seed wheel shaft through a bearing.
In the above scheme, the brake mechanism comprises a ratchet wheel disc and a ratchet pawl; the ratchet wheel disc is arranged at the side end of the seed sowing wheel bracket, the ratchet claw is arranged at the side end of the ratchet wheel disc, the other side of the seed sowing wheel is provided with a ratchet wheel matched with the ratchet claw, and the seed wheel shaft is connected with the ratchet wheel disc.
In the scheme, one side of an inlet of the shell of the seed sowing device is provided with an upper material blocking brush, and one side of an outlet of the shell of the seed sowing device is provided with a lower material blocking brush; go up and keep off the material brush down and be located the different both sides of seed metering ware casing, and keep off material brush opposite direction.
In the scheme, the seeding device comprises a seed guide pipe, a furrow opener, an adjusting screw rod and a long bolt; one side of the upper end of the seed guide pipe is connected with the lower end of the shell of the seed sowing device through an adjusting screw rod, and the other side of the upper end of the seed guide pipe is connected with the lower end of the shell of the seed sowing device through a long bolt; specifically, adjust lead screw connection on kind of a ware support and seed guide, seed metering ware outrigger and seed guide side connecting plate punch respectively, are equipped with the screw hole boss above seed metering ware casing side connecting plate hole, are equipped with the screw hole boss below seed guide side connecting plate hole, and two bosss are located same axle center, the seed guide can reciprocate. The furrow opener is fixedly connected to the curved side end of the seed guiding pipe.
In the above scheme, the transmission device comprises a speed change chain wheel set, a transmission chain wheel, a tension wheel bracket and a transmission chain; the speed change chain wheel set is arranged on the transmission shaft, the transmission chain wheel is arranged on a wheel shaft, the tension wheel is arranged at the side end of the frame through a tension wheel connecting frame, the tension wheel bracket comprises a tension wheel side connecting plate and a tension wheel moving connecting shaft, one end of the tension wheel moving connecting shaft is connected with the tension wheel side connecting plate, and the other end of the tension wheel moving connecting shaft is connected with the tension wheel; the transmission chain is connected with the variable speed chain wheel set, the transmission chain wheel and the tension wheel. The tension pulley moving connecting shaft can move horizontally on a tension pulley side connecting plate, the tension pulley can move axially on the tension pulley moving connecting shaft, and the moving distance of the tension pulley moving connecting shaft and the tension pulley moving connecting shaft is matched with that of the speed change chain wheel set.
In the scheme, the compacting device comprises a connecting side plate, a horizontal connecting frame, a vertical connecting frame, an earth covering wheel, a lower connecting block, an upper connecting plate, a lower cylindrical connecting block, an upper cylindrical connecting block and a compacting adjusting screw rod;
two ends of the horizontal connecting frame are respectively connected with the rear wheel bracket through connecting side plates; the soil covering wheels are connected with the horizontal connecting frame through the vertical connecting frame; the lower connecting block is arranged on the horizontal connecting frame, the upper connecting plate is arranged on the press connecting plate, and the press connecting plate is connected with the rack; the lower cylindrical connecting block is connected to the lower connecting block, the upper cylindrical connecting block is horizontally connected to the upper connecting plate, cylindrical holes are formed in the lower cylindrical connecting block and the upper cylindrical connecting block, and the pressing adjusting screw penetrates through the cylindrical holes of the lower cylindrical connecting block and the upper cylindrical connecting block to be connected.
In the scheme, the push handle is provided with a speed regulating handle; the power source is a power supply device; the speed regulation handle is connected with the power supply device.
Compared with the prior art, the invention has the beneficial effects that: the quantitative sowing of different crop seeds is realized by arranging the seed wheel, the seed discharging wheel and the like, the operation is simple, the sowing of different crop seeds and different particle numbers can be carried out without replacing parts, and the adjustment is convenient; according to the invention, the transmission with different transmission ratios is carried out by adjusting the position of the transmission chain, the requirements of different planting intervals can be realized without replacing wheels and other parts, and the practicability of the hand-held multi-crop quantitative seeder is further enhanced; the soil covering machine is simple in structure and stable in operation, the ditching depth of the seed guider and the ditcher is adjusted by adjusting the screw rod on the connecting plate, the seeding depth is further adjusted, and the height of the press wheel is adjusted by adjusting the position of the screw rod on the press wheel, so that the soil covering compactness is adjusted; according to the invention, by installing the driving wheels, the accelerator handle, the power supply device and the like, the electric variable-speed advancing of the seeder can be realized, the seeding efficiency is improved to a great extent, and the waste of manpower is reduced.
Drawings
Fig. 1 is a schematic structural view of a handheld multi-crop quantitative seeder according to an embodiment of the present invention.
Fig. 2 is a schematic structural side view of a seeder according to an embodiment of the present invention.
Fig. 3 is a front view schematically illustrating a structure of a seeder according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a seed metering device according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a wheel according to an embodiment of the present invention.
FIG. 6 is a schematic structural view of a material blocking brush and a seed sowing device according to an embodiment of the invention
Fig. 7 is a schematic structural diagram of a seed sowing wheel and a seed taking position of the seed sowing wheel according to an embodiment of the invention.
Fig. 8 is a schematic structural diagram of a transmission according to an embodiment of the present invention.
Fig. 9 is a schematic structural view of a compacting apparatus according to an embodiment of the present invention.
In the figure, 1-frame, 2-seed sowing device, 3-seed sowing device, 4-transmission device, 5-press device, 101-mounting plate, 102-seed storage box, 103-front wheel bracket, 104-front wheel, 105-rear wheel, 106-rear wheel bracket, 107-wheel shaft, 108-press connecting plate, 109-push handle, 109-speed regulating handle, 110-driving rear wheel, 111-power supply device, main switch 111-1, 201-seed discharging bin, 202-seed sowing device shell, 202-1-upper material blocking brush, 202-2-lower material blocking brush, 203-seed sowing wheel bracket, 204-1-wheel bracket bearing, 205-ratchet disc, 206-ratchet claw, 207-seed sowing wheel, 208-wheel shaft, 208-1-wheel bearing 209-wheel, 210-transmission shaft, 211-seed sowing wheel side top plate, 211-1-top plate bearing, 211-1-staple, 212-seed sowing machine side top plate, 301-seed guiding pipe, 302-furrow opener, 303-adjusting screw rod, 304-long bolt, 401-speed changing chain wheel set, 402-transmission chain wheel, 403-tension wheel, 404-tension wheel bracket, 405-transmission chain, 404-1-tension wheel side connecting plate, 404-2-tension wheel moving connecting shaft, 501-connecting side plate, 502-horizontal connecting frame, 503-vertical connecting frame, 504-soil covering wheel, 505-lower connecting block, 506-upper connecting plate, 507-lower cylindrical connecting block, 210-lower cylindrical connecting block, 508-upper cylindrical connecting block, 509-rolling adjusting screw rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientation or positional relationship shown in the figures, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1, 2 and 3 show a preferred embodiment of the hand-held multi-crop quantitative seeder of the present invention, which comprises a frame 1, a seed sowing device 2, a sowing device 3, a transmission device 4 and a press device 5.
The seed storage device 102 and the seed sowing device 2 are arranged on the rack 1, and the walking mechanism is arranged at the bottom of the rack 1 and connected with a power source; the push handle 109 is connected with the frame 1; the seeding device 3 is connected with the lower end opening of the seed metering device shell 202; the transmission device 4 is also connected with the travelling mechanism, the transmission device 4 transmits the power of the travelling mechanism to a transmission shaft 210 of the seed sowing device 2 to drive a wheel 209 to rotate; the press device 5 is mounted in the lower part of the frame 1.
The top of frame 1 is equipped with mounting panel 101, be equipped with seed storage device 102 on mounting panel 101, can place unnecessary seed in the seed storage device 102, the one end of frame 1 bottom is connected with front wheel 104, the other end of frame 1 bottom is connected with rear wheel 105 and drive rear wheel 110, frame 1 is equipped with pushes away handle 109, the rear end that pushes away handle 109 is connected with speed governing handle 109-1, the terminal upper portion of mounting panel 101 installs the power supply, preferably, the power supply is power supply unit 111, power supply unit 111 is equipped with master switch 111-1, the seed metering ware casing 202 of seeder 2 is connected on mounting panel 101, the driving sprocket 402 of transmission 4 is connected on axletree 107, change gear unit 401 is connected on transmission shaft 210, drives driving sprocket 402 through drive chain 405 and rotates, seeder 3 is connected below seed metering device 2, through adjusting lead screw 303 and driving seeder 3 and reciprocate, suppression device 5 passes through suppression connecting plate 108 and upper junction plate 506 and installs in frame 1, and the lead screw 509 up-and-down rotation is adjusted in suppression device 5 accessible suppression.
The travelling mechanism comprises front wheels 104, rear wheels 105, a wheel shaft 107 and rear driving wheels 110;
the front wheels 104 are mounted at the front end of the bottom of the frame 1 through front wheel brackets 103, the rear wheels 105 and the driving rear wheels 110 are mounted at the bottom of the frame 1 through rear wheel brackets 106 and located behind the front wheels 104, and the rear wheels 105 and the driving rear wheels 110 are connected through wheel shafts 107; the rear drive wheels 110 are connected to a power source and the transmission 4 is connected to the wheel shaft 107.
As shown in fig. 2, 3 and 4, the seed metering device 2 comprises a seed metering bin 201, a seed metering shell 202, a seed metering wheel 207, a seed wheel shaft 208, a seed wheel 209 and a transmission shaft 210; the seed discharging bin 201 is connected with an opening at the upper end of a seed discharging device shell 202, the lower end of the seed discharging device shell 202 is installed on the rack 1, a seed discharging wheel 207 is arranged in the seed discharging device shell 202, a seed wheel 209 is arranged in the seed discharging wheel 207, a transmission shaft 210 is arranged on the seed wheel 209, one end of the transmission shaft 210 is connected with the transmission device 4, and the other end of the transmission shaft is connected with a seed wheel shaft 208 through a bearing; the seed wheel 207 and the seed wheel 209 can rotate relatively and are positioned by a braking mechanism. Specifically, the seed discharge bin 201 is mounted on the upper side of a seed discharge device shell 202 through a lower end ferrule and a bolt, the seed discharge device shell 202 is connected on the upper side of a mounting plate 101 through a bolt, a seed discharge wheel support 203 is connected on the upper side of the mounting plate 101 through a bolt and is positioned on one side of the seed discharge device shell 202, a wheel support 204 is connected on the upper side of the mounting plate 101 through a bolt and is positioned on the other side of the seed discharge device shell 202, and the braking mechanism comprises a ratchet disc 205 and a ratchet claw 206; the ratchet plate 205 is arranged at the side end of the seed wheel bracket 203, the ratchet claw 206 is arranged at the side end of the ratchet plate 205, the other side of the seed wheel 207 is provided with a ratchet matched with the ratchet claw 206, and the seed wheel shaft 208 is connected with the ratchet plate 205. Specifically, the ratchet plate 205 is fixed on the seed wheel bracket 203, the seed wheel bracket 203 is fixed on the mounting plate 101, the ratchet pawl 206 is connected on the ratchet plate 205, the seed wheel 207 is connected on the outer side of the ratchet plate 205, the left end of the seed wheel 207 is rotated by hand to stir the seed position, the right end of the seed wheel 207 is connected with a seed wheel side top plate 211, the seed wheel side top plate 211 is connected in a clamping groove of the seed wheel 207 through a self clamping nail 2011-1, and a seed meter side top plate 212 is installed on one side of the seed meter shell 202; one end of the transmission shaft 210 sequentially passes through the seed metering wheel side top plate 211, the seed metering wheel side top plate 212 and the seed wheel bracket 204 to be connected with the transmission device 4; the seed wheel 207 can be manually indexed.
As shown in fig. 5, the left end of the seed wheel 209 is provided with a bearing hole, a wheel bearing 208-1 is arranged inside the seed wheel 209, the right end of the seed wheel shaft 208 is connected to the wheel bearing 208-1, the left end of the seed wheel shaft 208 is a threaded rod and is in threaded connection with the ratchet wheel disc 205, the right end of the seed wheel 209 is provided with a threaded hole and is in threaded connection with a transmission shaft 210, the transmission shaft 210 is connected to the seed wheel bracket 204, so that the transmission and the disassembly of the seed wheel 209 are realized, preferably, two rows of seed grooves are formed in the symmetrical positions of the cylindrical surface of the seed wheel 209, the seed grooves have 3 types, which are arranged in sequence, and 4 groups in each row can realize the sowing of different seeds.
The seed wheel 209, the seed metering wheel 207 and the seed metering device shell 202 are positioned on the same axle center, the seed wheel 209 is positioned on the innermost side, the seed metering wheel 202 is positioned in the middle, the seed metering device outer frame 202 is positioned on the outer side, the seed wheel 209 is longer than the seed metering device shell 202, and the outer diameter of the side end of the seed wheel 209 is slightly larger than the inner diameter of the seed metering device shell 202.
As shown in fig. 6, a material blocking brush 202-1 is installed on one side of the seed inlet of the seed metering device shell 202, the material blocking brush 202-1 is embedded in a cutting sleeve on one side of the seed inlet of the seed metering device shell 202, a lower material blocking brush 202-2 is installed on one side of the seed outlet of the seed metering device shell 202, the lower material blocking brush 202-2 is embedded in a cutting sleeve on the other end of the lower side of the seed metering device shell 202, the two material blocking brushes are located on two different sides of the seed metering device shell 202, and the direction of the material blocking brushes is opposite, so that seeds can enter and fall conveniently.
The seed sowing wheel 207 is provided with a plurality of through hole arrays with different apertures, each through hole array comprises a plurality of rows of through holes with the same aperture, and the number of the through holes in each row is different; a plurality of rows of seed discharging grooves are formed in the seed wheel 209, a plurality of groups of hole grooves are formed in each row of seed discharging grooves, each group of hole grooves comprises a plurality of hole grooves with different apertures, and through holes in the seed discharging wheel 207 correspond to the hole grooves with the same apertures in the seed wheel 209 in position. As shown in fig. 7, according to this embodiment, preferably, half of the circumference of the seed sowing wheel 207 is provided with three through hole arrays with different apertures, and the other half of the circumference is provided with the same three through hole arrays with different apertures, and there are 24 rows of apertures, each 12 rows is 1 array, each array is divided into 3 groups, the apertures of the through holes in each group are different and respectively correspond to seed grooves with different sizes on the seed wheel 209, two rows of seed sowing grooves are provided on the seed wheel 209, 4 groups of seed grooves are provided on each row of seed sowing grooves, and each group of hole grooves includes 3 hole grooves with different apertures. In fig. 7, X corresponds to group 1, Y corresponds to the positions of the holes on the seed wheel 207 and the seed wheel 209, each group on the seed wheel 207 has 4 rows, the hole diameter of each row of through holes is the same and has 4, 3, 2, 1 through holes, the position of each row of through holes and the position of the corresponding seed groove have 4, 3, 2, 1 hole grooves, 4, 3, 2, 1 seeds can be sown, quantitative sowing is realized, and the other 1 group and the 1 group center pair sow twice in each rotation.
As shown in fig. 8, the driving sprocket 402 is mounted on the wheel axle 107 to rotate with the wheel axle 107, the speed changing sprocket set 401 is mounted on the driving axle 210, the tension pulley 403 is mounted on the tension pulley moving connecting axle 404-2, the tension pulley 403 can move axially on the tension pulley moving connecting axle 404-2, the tension pulley moving connecting axle 404-2 is mounted on the tension pulley side connecting plate 404-1, the tension pulley moving connecting axle 404-2 can move left and right on the tension pulley side connecting plate 404-1, the driving chain 405 is connected with the speed changing sprocket set 401, the driving sprocket 402 and the tension pulley 403, and can transmit the movement of the rear wheel to the seed metering device, and the driving ratio can be adjusted by changing the position of the tension pulley.
As shown in fig. 9, the soil covering wheel 504 is connected to two vertical connecting frames 503, the soil covering wheel 504 can rotate inside the two vertical connecting frames 503, the two vertical connecting frames 503 are connected to the lower side of the horizontal connecting frame 502 through bolts, the horizontal connecting frame 502 is connected to the inner sides of two connecting side plates 501 through bolts, the connecting side plates 501 are connected to the rear wheel support 106 through bolts and can rotate the connecting side plates 501, there are two upper connecting plates 506, there are 2 connecting side plates 501, and the connecting side plates 501 can rotate on the rear wheel support 106. The upper connecting plate 506 is connected to the upper side of the left side of the press connecting plate 108, the upper connecting plate 506 is perforated, the upper cylindrical connecting block 508 is inserted into a hole of the upper connecting plate 506 in a matching manner, the lower connecting block 505 is perforated and welded in the middle of the horizontal connecting frame 502, the lower cylindrical connecting block 507 is inserted into a hole of the lower connecting block 505 in a matching manner, the upper cylindrical connecting block 508 and the lower cylindrical connecting block 507 are perforated in the middle of a cylindrical surface and can axially rotate, the lead screw is inserted into cylindrical holes of the upper cylindrical connecting block 508 and the lower cylindrical connecting block 507, and the height of the soil covering wheel 504 is adjusted by adjusting the position of the lead screw 509 through pressing.
The working principle of the invention is as follows:
during operation, a seeder adjusts the position of the chain wheel according to the required transmission ratio, then the seeding wheel 207 is shifted to the required position according to the size and the particle number of the sowed seeds, the adjusting screw 303 is adjusted according to the seeding depth, the furrow opener 302 is adjusted to the required position, the press adjusting screw 509 is adjusted, the covering wheel 504 is adjusted to the required height, then the seeds are poured into the seed arranging bin 201, the rest seeds are put into the seed storage box 102, the master switch 111-1 of the power supply device 111 is opened, the speed adjusting handle 109-1 on the pushing handle 109 is rotated, the rear wheel 110 is driven to rotate with the wheel shaft 107 and the rear wheel 105, the transmission chain wheel 402 on the wheel shaft 107 is simultaneously rotated, the transmission chain wheel 402 drives the variable speed chain wheel group 401 to rotate, the wheel 209 is driven to rotate below the seed arranging bin 201, the seeds fall into the seed groove, the wheel 209 continues to rotate, the blocking brush 202-1 on the seed metering device shell 202 sweeps off the excess seeds, avoid the seed card to advance between seed metering wheel 207 and the seed wheel 209, seed wheel 209 continues to rotate, when rotating the below, the seed drops, seed metering ware keeps off the material brush 202-2 can sweep the seed on seed wheel 209 down, prevents that the seed from gluing on seed wheel 209, and the seed falls into seed guide 301, and then falls into the soil box seed that furrow opener 302 opened. The seeder continues to move forward, the soil covering wheel 504 rotates along with the movement of the seeder to complete the soil covering work, and the seed wheel 209 continues to rotate to repeat the seeding work.
In the invention, the seed discharging device 2 is adjusted to be suitable for the required crops and the required particle number, the seeding device 3 is adjusted to be suitable for the required seeding depth, the transmission device 4 is adjusted to be suitable for the required transmission ratio, the covering device 5 is adjusted to be suitable for the required covering tightness, a main switch is turned on, the speed adjusting handle 109-1 is rotated to drive the rear wheel to move the whole machine forwards, the rear wheel is driven to drive the rear wheel 105 and the wheel axle 107 to rotate, the transmission chain wheel 402 is driven by the wheel axle 107, the transmission chain wheel 402 transmits the motion to the seed discharging device 2 to rotate the seed discharging device 2, the seed discharging device 2 drives the seeds to rotate, when the seeds rotate downwards, the seeds fall into the seed guiding pipe 301 and then into the groove opened by the furrow opener 302, the seeder continues to move forwards, and the covering wheel 504 rotates to finish the covering work. The electric sowing machine has a simple structure, is easy to operate, can finish fixed-quantity sowing of different crops under the condition of not replacing parts, is suitable for different planting distance requirements, adopts an electric device, can improve the sowing efficiency to a great extent, and reduces the loss of labor force.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of possible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. A hand-held multi-crop quantitative seeder is characterized by comprising a frame (1), a push handle (109), a seed sowing device (2), a seeding device (3), a transmission device (4) and a pressing device (5);
a seed sowing device (2) is arranged on the rack (1), and the seed sowing device (2) comprises a seed sowing bin (201), a seed sowing device shell (202), a seed sowing wheel (207), a wheel shaft (208), a wheel (209) and a transmission shaft (210); the seed discharging bin (201) is connected with an opening at the upper end of a seed discharging device shell (202), the lower end of the seed discharging device shell (202) is installed on the rack (1), a seed discharging wheel (207) is arranged in the seed discharging device shell (202), a seed wheel (209) is arranged in the seed discharging wheel (207), a transmission shaft (210) is arranged on the seed wheel (209), one end of the transmission shaft (210) is connected with the transmission device (4), and the other end of the transmission shaft is connected with a seed wheel shaft (208) through a bearing; the seed sowing wheel (207) and the seed sowing wheel (209) can rotate relatively and are positioned through a braking mechanism; a plurality of through hole arrays with different apertures are arranged on the seed sowing wheel (207), each through hole array comprises a plurality of rows of through holes with the same aperture, and the number of the through holes in each row is different; a plurality of rows of seed sowing grooves are formed in the seed wheel (209), a plurality of groups of hole grooves are formed in each row of seed sowing grooves, each group of hole grooves comprises a plurality of hole grooves with different apertures, and through holes in the seed sowing wheel (207) correspond to hole grooves with the same aperture in the seed wheel (209);
the bottom of the rack (1) is provided with a travelling mechanism, and the travelling mechanism is connected with a power source; the push handle (109) is connected with the rack (1); the seeding device (3) is connected with the lower end opening of the seeding unit shell (202); the transmission device (4) is also connected with the travelling mechanism, and the transmission device (4) transmits the power of the travelling mechanism to a transmission shaft (210) of the seed metering device (2) to drive the wheel (209) to rotate; the compacting device (5) is arranged at the lower part of the rack (1);
the seed sowing device (2) also comprises a seed sowing wheel bracket (203), a seed wheel bracket (204), a seed sowing wheel side top plate (211) and a seed sowing wheel side top plate (212);
the seed sowing wheel bracket (203) is arranged on the mounting plate (101) and is positioned on one side of the seed sowing device shell (202), and the seed sowing wheel bracket (204) is arranged on the mounting plate (101) and is positioned on the other side of the seed sowing device shell (202);
a seed metering wheel side top plate (211) is installed on one side of the seed metering wheel (207), and the seed metering wheel side top plate (211) is clamped into a clamping groove of the seed metering wheel (207) through a self clamping nail (211-1); a seed-metering device side top plate (212) is arranged on one side of the seed-metering device shell (202); one end of the transmission shaft (210) sequentially passes through a seed metering wheel side top plate (211), a seed metering wheel side top plate (212) and a seed wheel bracket (204) to be connected with the transmission device (4);
one side of the wheel (209) is provided with a bearing hole, and the other end of the transmission shaft (210) passes through the bearing hole and is connected with one end of the seed wheel shaft (208) through a bearing.
2. Hand-held multi-crop quantitative seeder according to claim 1, characterized in that said frame (1) comprises a mounting plate (101); the seed metering device is characterized in that a mounting plate (101) is arranged on the rack (1), the seed metering device (2) is arranged on the mounting plate (101), and a seed storage box (102) is further arranged on the mounting plate (101).
3. A hand-held multi-crop quantitative seeder according to claim 1, wherein said travelling mechanism comprises front wheels (104), rear wheels (105), a wheel axle (107) and a driving rear wheel (110);
the front wheels (104) are mounted at the front end of the bottom of the rack (1) through front wheel supports (103), the rear wheels (105) and the driving rear wheels (110) are mounted at the bottom of the rack (1) through rear wheel supports (106) and are positioned behind the front wheels (104), and the rear wheels (105) and the driving rear wheels (110) are connected through wheel shafts (107); the driving rear wheels (110) are connected with a power source, and the transmission device (4) is connected with a wheel shaft (107).
4. A hand-held multi-crop quantitative seeder according to claim 1, characterized in that said braking mechanism comprises a ratchet disc (205) and a ratchet pawl (206);
the ratchet wheel disc (205) is arranged at the side end of the seed sowing wheel bracket (203), the ratchet claw (206) is arranged at the side end of the ratchet wheel disc (205), the other side of the seed sowing wheel (207) is provided with a ratchet wheel matched with the ratchet claw (206), and the seed wheel shaft (208) is connected with the ratchet wheel disc (205).
5. A walking multi-crop quantitative seeder according to claim 1, wherein the seed-metering device housing (202) is provided with an upper stop brush (202-1) at one side of the inlet and a lower stop brush (202-2) at one side of the outlet; the upper material blocking brush (202-1) and the lower material blocking brush (202-2) are positioned on two different sides of the seed metering device shell (202), and the directions of the material blocking brushes are opposite.
6. A hand-held multi-crop quantitative seeder according to claim 1, characterized in that said seeding means (3) comprises a seed-guide tube (301), a furrow opener (302), an adjusting screw (303) and a long bolt (304);
one side of the upper end of the seed guide pipe (301) is connected with the lower end of the seed metering device shell (202) through an adjusting screw rod (303), and the other side of the upper end of the seed guide pipe (301) is connected with the lower end of the seed metering device shell (202) through a long bolt (304); the furrow opener (302) is fixedly connected with the curved side end of the seed guiding pipe (301).
7. A hand-held multi-crop quantitative seeder according to claim 1, characterized in that said transmission means (4) comprises a variable speed sprocket set (401), a transmission sprocket (402), a tensioner (403), a tensioner bracket (404) and a transmission chain (405); the speed change chain wheel set (401) is mounted on a transmission shaft (210), the transmission chain wheel (402) is mounted on a wheel axle (107), the tension pulley (403) is mounted at the side end of the frame (1) through a tension pulley bracket (404), and the transmission chain (405) is connected with the speed change chain wheel set (401), the transmission chain wheel (402) and the tension pulley (403).
8. A hand-held multi-crop quantitative seeder according to claim 2, wherein said press device (5) comprises a connecting side plate (501), a horizontal connecting frame (502), a vertical connecting frame (503), a soil covering wheel (504), a lower connecting block (505), an upper connecting plate (506), a lower cylindrical connecting block (507), an upper cylindrical connecting block (508) and a press adjusting screw (509);
two ends of the horizontal connecting frame (502) are respectively connected with the rear wheel bracket (106) through connecting side plates (501); the soil covering wheel (504) is connected with the horizontal connecting frame (502) through a vertical connecting frame (503); the lower connecting block (505) is arranged on the horizontal connecting frame (502), the upper connecting plate (506) is arranged on the press connecting plate (108), and the press connecting plate (108) is connected with the rack (1); the lower cylindrical connecting block (507) is connected to the lower connecting block (505), the upper cylindrical connecting block (508) is horizontally connected to the upper connecting plate (506), cylindrical holes are formed in the lower cylindrical connecting block (507) and the upper cylindrical connecting block (508), and the press adjusting screw rod (509) penetrates through the cylindrical holes of the lower cylindrical connecting block (507) and the upper cylindrical connecting block (508) to be connected.
9. A hand-held quantitative seeder for multiple crops as claimed in claim 1, wherein said push handle (109) is provided with a speed-adjusting handle (109-1); the power source is a power supply device (111);
the speed regulation handle (109-1) is connected with a power supply device (111).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010658007.8A CN111771483B (en) | 2020-07-09 | 2020-07-09 | Hand-held multi-crop quantitative seeder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010658007.8A CN111771483B (en) | 2020-07-09 | 2020-07-09 | Hand-held multi-crop quantitative seeder |
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| CN111771483A CN111771483A (en) | 2020-10-16 |
| CN111771483B true CN111771483B (en) | 2022-08-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114982436B (en) * | 2022-07-20 | 2023-05-02 | 北大荒集团黑龙江八五六农场有限公司 | Green rice planting method for black soil |
| CN117561850B (en) * | 2024-01-15 | 2024-03-15 | 长春市辰奇农业科技有限公司 | Seeding machine for agricultural planting |
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