CN114009187B - Electric-driven precision rice direct seeding seed sowing device - Google Patents
Electric-driven precision rice direct seeding seed sowing device Download PDFInfo
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- CN114009187B CN114009187B CN202111232761.6A CN202111232761A CN114009187B CN 114009187 B CN114009187 B CN 114009187B CN 202111232761 A CN202111232761 A CN 202111232761A CN 114009187 B CN114009187 B CN 114009187B
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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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- 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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- 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
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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
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Abstract
The invention provides an electrically-driven precision rice direct seeding and seeding device, which comprises: the seeding device comprises a shell, a seeding disc, a driving device and a seeding control mechanism; the seeding disc is provided with a plurality of channels, the channels extend along the radial direction of the seeding disc, the channels are provided with openings, and the channels are sequentially distributed along the circumferential direction of the seeding disc; the seeding control mechanism is in one-to-one correspondence with the channels, the seeding control mechanism is arranged in the channels, and the volume of the channels can be changed by the seeding control mechanism; the shell is provided with a seed filling port and a seed guiding port, the seeding tray can be arranged in the shell in a relatively rotating way, and the driving device is connected with the seeding tray; under the drive of the driving device, the sowing disc rotates relative to the shell, so that seeds entering the channel from the seed filling opening are discharged through the seed guiding opening. The volume of passageway is different, and the quantity that represents its seed that can hold is different, adjusts the volume of passageway through broadcast volume control mechanism to the quantity that makes the seed that falls into in the passageway reaches target quantity, thereby realizes the accurate control to the seeding volume.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an electrically-driven precision rice direct-seeding seed-metering device.
Background
With the continuous perfection of matched agricultural technologies such as water and fertilizer management, weeding and the like in the direct seeding process of rice, the direct seeding area of the rice is continuously increased, the manually sown seeds are unevenly distributed in the field, the seed consumption is large, the group structure is unreasonable, and the stable yield and even the yield reduction are caused.
Precision seeding uniformly sows seeds in holes in the field, is favorable for reducing plant diseases and insect pests, can save seeds, is favorable for improving the yield of rice, and realizes that the key of precision seeding lies in a seed sowing device, but the current rice direct seeding machine cannot meet the precision seeding requirement.
Disclosure of Invention
The invention provides an electrically-driven precision rice direct-seeding seed-metering device, which is used for solving the problem of low seeding precision of the seed-metering device in the prior art.
The invention provides an electrically-driven precision rice direct seeding and seeding device, which comprises: the seeding machine comprises a shell, a seeding disc, a driving device and a seeding control mechanism;
the seeding disc is provided with a plurality of channels, the channels extend along the radial direction of the seeding disc, the channels are provided with openings, and the channels are sequentially distributed along the circumferential direction of the seeding disc;
the seeding control mechanisms correspond to the channels one by one, are arranged in the channels and can change the volume of the channels;
the shell is provided with a seed filling port and a seed guiding port, the seeding tray can be arranged in the shell in a relatively rotating way, and the driving device is connected with the seeding tray;
the sowing disc rotates relative to the shell under the driving of the driving device, so that seeds entering the channel from the seed filling port are discharged through the seed guide port.
According to the electrically-driven precision rice direct-seeding seed sowing device provided by the invention, the seed sowing control mechanism comprises a push pin shaft, an elastic component and an adjusting mechanism;
the push pin shaft and the elastic component are both positioned in the channel, one end of the elastic component is connected with the bottom of the channel, the other end of the elastic component is connected with the push pin shaft, and the adjusting mechanism is connected with the push pin shaft;
under the action of the adjusting mechanism, the push pin shaft can move towards or away from the bottom of the channel, so that the volume of the channel is changed.
According to the electrically-driven precision rice direct-seeding seed sowing device provided by the invention, the adjusting mechanism comprises a guide ring, a bolt, a nut and a rolling bearing;
the push pin shaft is provided with a through hole, the bolt penetrates through the through hole, and the rolling bearing and the nut are sequentially arranged on the bolt along the extension direction of the bolt;
the guide ring is abutted with the seeding disc and can rotate relative to the seeding disc, a flange is arranged on the inner side surface of the guide ring, and the rolling bearing is abutted with the flange;
the channel is provided with a guide sliding groove, the bolt is positioned in the guide sliding groove, and under the condition that the guide ring rotates relative to the sowing disc, the bolt can move relative to the guide sliding groove.
According to the electrically-driven precision rice direct-seeding seed sowing device provided by the invention, the outer side surface of the guide ring is provided with the ear ring, the adjusting mechanism further comprises an adjusting plate and an adjusting knob, the adjusting plate is provided with an adjusting chute, the adjusting plate is arranged on the shell, the adjusting knob penetrates through the adjusting chute, and the adjusting knob is connected with the ear ring;
wherein, under the condition that the adjusting knob moves along the adjusting sliding groove, the guide ring can rotate relative to the sowing tray.
According to the electrically-driven precision rice direct seeding and sowing device provided by the invention, the adjusting mechanism further comprises a balance wheel, the balance wheel is sleeved on the bolt, and the sowing disc is positioned between the balance wheel and the rolling bearing.
According to the electrically-driven precision rice direct-seeding seed-metering device provided by the invention, the driving device is a direct-current brushless motor, and the electrically-driven precision rice direct-seeding seed-metering device further comprises a direct-current brushless motor driver, a controller, a speed sensor and an interaction device;
the interaction device is used for inputting and outputting operation parameters, and the controller is used for acquiring a first rotating speed corresponding to the direct current brushless motor according to the operation parameters;
the speed sensor is used for acquiring a second rotating speed of the direct current brushless motor;
the direct current brushless motor driver controls the direct current brushless motor according to the difference value of the first rotating speed and the second rotating speed, so that the first rotating speed is equal to the second rotating speed.
According to the electrically-driven precision rice direct-seeding seed-metering device provided by the invention, the electrically-driven precision rice direct-seeding seed-metering device further comprises a receiver, the receiver is in communication connection with a satellite, the receiver is in communication connection with the controller, and the controller determines the running speed of the unit according to the positioning information of the receiver.
According to the electrically-driven precision rice direct-seeding seed-metering device provided by the invention, the electrically-driven precision rice direct-seeding seed-metering device further comprises a seed guiding pipe, the seed guiding pipe is of a conical structure, the seed guiding pipe is arranged on the shell, and the seed guiding pipe is communicated with the seed guiding opening.
According to the electrically-driven precision rice direct-seeding seed sowing device provided by the invention, the electrically-driven precision rice direct-seeding seed sowing device further comprises an earth-covered seed pressing plate, the earth-covered seed pressing plate is of an arc-shaped structure, and the earth-covered seed pressing plate is arranged on the shell and is close to the seed guide pipe.
According to the electrically-driven precision rice direct-seeding seed-metering device provided by the invention, the electrically-driven precision rice direct-seeding seed-metering device also comprises a seed box, wherein the seed box is provided with a seed outlet, and the seed outlet is communicated with the seed filling opening;
the seed box is also provided with a seed discharging port and a cover body, the cover body is provided with a first position and a second position relative to the seed box, the cover body is covered on the seed discharging port under the condition that the cover body is positioned at the first position, and the seed discharging port is in an open state under the condition that the cover body is positioned at the second position.
According to the electrically-driven precision rice direct seeding seed sowing device provided by the invention, the channels have different volumes, which means that the quantity of seeds which can be accommodated in the channels is different, and the volume of the channels is adjusted through the seeding quantity control mechanism according to actual requirements, so that the quantity of the seeds falling into the channels reaches the target quantity, and the precision control of the seeding quantity is realized; under the condition that the opening is aligned with the seed filling opening, seeds enter the channel through the opening, the sowing disk rotates clockwise relative to the shell under the driving of the driving device, and under the condition that the opening is aligned with the seed guide opening, the seeds in the channel are discharged through the seed guide opening.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is one of the schematic structural diagrams of an electrically driven precision rice direct seeding and seeding device provided by the present invention;
FIG. 2 is a second schematic structural view of the electrically driven precision rice direct-seeding seed-metering device provided by the present invention;
FIG. 3 is one of the structural schematic diagrams of the seeding tray provided by the present invention;
FIG. 4 is a second schematic structural view of a seeding tray according to the present invention;
FIG. 5 is a schematic structural view of a housing provided by the present invention;
reference numerals:
1: a seed box; 2: a housing; 21: a first end cap;
22: a second end cap; 3: a seed guide pipe; 4: a DC brushless motor;
5: covering soil and pressing the seed plates; 6: adjusting a knob; 7: an adjusting plate;
8: a brush; 9: a seeding tray; 10: an access hole;
11: a rotating bearing; 12: pushing the pin shaft; 13: a spring;
14: a bolt; 15: an opening; 16: a rolling bearing;
17: a guide chute; 18: a guide ring; 19: and a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The electrically driven precision rice direct seeding and metering device of the present invention will be described with reference to fig. 1 to 5.
As shown in fig. 1, 2, 3 and 4, the electrically driven precision rice direct seeding and sowing device according to the embodiment of the present invention includes: a shell 2, a seeding disc 9, a driving device and a seeding control mechanism.
The seeding disc 9 is provided with a plurality of channels, the channels extend along the radial direction of the seeding disc 9 to form, the channels are provided with openings 15, and the plurality of channels are arranged along the circumferential direction of the seeding disc 9 in sequence.
It should be noted that the seeding disc 9 includes a circular ring-shaped frame and a plurality of channels, one end of each channel is gathered together, and the other end of each channel is connected with the inner side surface of the circular ring-shaped frame, that is, the convergence point of each channel is the central position of the circular ring-shaped frame, an opening 15 is arranged at one end of each channel far away from the convergence point, and the circular ring-shaped frame is arranged in the opening 15.
Wherein, a plurality of passageways are evenly arranged along the circumferential direction of the seeding tray 9 in turn, and the number of the passageways is even, for example, the number of the passageways is eight.
The volume control mechanisms correspond to the channels one to one, namely, one volume control mechanism is arranged in one channel, and the volume of the channel can be changed by the volume control mechanism.
The shell 2 is provided with a seed filling port and a seed guiding port, the seeding disc 9 can be arranged in the shell 2 in a relatively rotating way, and the driving device is connected with the seeding disc 9.
For example, the top of the housing 2 is provided with a seed filling port, and the bottom of the housing 2 is provided with a seed guiding port, which is arranged opposite to the seed guiding port.
Wherein, under the driving of the driving device, the sowing disc 9 rotates relative to the shell 2, so that the seeds entering the channel from the seed filling port are discharged through the seed guiding port.
In the embodiment of the invention, the channels have different volumes, which means that the quantity of seeds which can be accommodated in the channels is different, and the volume of the channels is adjusted through the seeding quantity control mechanism according to actual requirements, so that the quantity of the seeds falling into the channels reaches a target quantity, and the accurate control of the seeding quantity is realized; in the case of the opening 15 being aligned with the seed filling opening, seeds enter the channel through the opening 15, the seed disc 9 is rotated in a clockwise direction relative to the housing 2 under the drive of the drive device, and in the case of the opening 15 being aligned with the seed guide opening, seeds located in the channel are discharged through the seed guide opening.
In an alternative embodiment, the volume control mechanism comprises a push pin shaft 12, a resilient member and an adjustment mechanism. The elastic member is a member having a stretching capability, and for example, the elastic member is a spring 13.
The push pin shaft 12 and the elastic component are both positioned in the channel, one end of the elastic component is connected with the bottom of the channel, namely, one end of the elastic component is fixedly connected with one end far away from the opening 15 in the channel, the other end of the elastic component is fixedly connected with one end of the push pin shaft 12 facing the bottom of the channel, and the adjusting mechanism is connected with the push pin shaft 12.
Wherein the push pin shaft 12 is movable towards and away from the bottom of the passageway under the influence of the adjustment mechanism to cause the volume of the passageway to change.
It should be noted that the push pin shaft 12, the resilient member, and the channel are coaxially mounted.
Specifically, the channel increases in volume when the push pin shaft 12 moves toward the bottom of the channel, and decreases in volume when the push pin shaft 12 moves away from the bottom of the channel.
In order to protect the seeds, the pushing pin 12 may be made of a flexible material, the seeding disc 9 and the pushing pin 12.
In an alternative embodiment, the adjustment mechanism comprises a guide ring 18, a bolt 14, a nut 19 and a rolling bearing 16.
The push pin shaft 12 is provided with a through hole, the bolt 14 penetrates through the through hole, the diameter of the through hole is matched with that of the bolt 14, and the rolling bearing 16 and the nut 19 are sequentially arranged on the bolt 14 along the extending direction of the bolt 14.
The guide ring 18 is abutted against one side of the seeding disc 9 and can rotate relative to the seeding disc 9, a flange is arranged on the inner side surface of the guide ring 18, and the rolling bearing 16 is abutted against the flange;
the passageway is equipped with direction spout 17, and direction spout 17 can be the direction spout 17 of rectangular shape, and the both ends of direction spout 17 are the arc structure.
The bolts 14 are located in the guide runners 17, the bolts 14 being displaceable relative to the guide runners 17 in the event of a rotation of the guide ring 18 relative to the seed disc 9.
It should be noted that the inner side surface of the guide ring 18 is formed by a plurality of arc surfaces with different radiuses, and the gradient of the guide track formed by the inner side surface of the guide ring 18 realizes the accurate control of the rice seed sowing amount.
It will be appreciated that, by moving the rolling bearing 16 on the guide track, the rolling bearing 16 will move the bolt 14 relative to the guide runner 17, and the bolt 14 will move the push pin 12 within the channel, so as to vary the volume of the channel, the difference in volume of the channel representing the difference in the number of seeds accommodated.
Wherein a washer is mounted between the rolling bearing 16 and the nut 19, the washer mainly functioning to protect the rolling bearing 16.
To reduce the incidence of failure, the nut 19 and bolt 14 may be a drop nut and a drop bolt to secure the push pin shaft 12.
Wherein, the channel is provided with an access hole 10 which is arranged near the guide chute 17.
In an alternative embodiment, the outer side surface of the guide ring 18 is provided with an ear ring, the adjusting mechanism further comprises an adjusting plate 7 and an adjusting knob 6, and the adjusting plate 7 is provided with an adjusting chute which is of an arc-shaped structure.
The adjusting knob 6 penetrates through the adjusting sliding chute, and the adjusting knob 6 is connected with the earring;
wherein the guide ring 18 can be rotated relative to the seed disc 9 in the case of a movement of the adjusting knob 6 along the adjusting chute.
For example, the earrings are provided with through holes, and the adjusting knobs 6 sequentially penetrate through the adjusting chutes and the through holes, so that the adjusting knobs 6 are connected with the guide rings 18.
In an alternative embodiment, the adjustment mechanism further comprises a balance wheel, which is sleeved on the bolt 14, and the sowing disc 9 is located between the balance wheel and the rolling bearing 16.
As shown in fig. 5, the housing 2 includes a first end cap 21 and a second end cap 22, each of the first end cap 21 and the second end cap 22 has a sliding track formed therein, the balance wheel moves on the sliding track of the first end cap 21, and the rolling bearing 16 moves on the sliding track of the second end cap 22.
The balance wheel mainly acts to balance the unbalanced force of the rolling bearing 16 moving on the inner side surface of the guide ring 18. In order to save cost, reduce the overall quality of the seeding unit and improve the light weight level of the machine, the shell 2 and the balance wheel can be made of plastics with stronger plasticity.
In an alternative embodiment, the driving device is a brushless dc motor 4, and the electrically-driven precision rice direct-seeding seed-metering device further comprises a brushless dc motor driver, a controller, a speed sensor and an interaction device.
The interaction device is used for inputting and outputting operation parameters, and the controller is used for acquiring a first rotating speed corresponding to the direct current brushless motor according to the operation parameters. That is, the operating parameter corresponds to a first rotational speed of the dc brushless motor, and different operating parameters correspond to different first rotational speeds.
The speed sensor is used for acquiring a second rotating speed of the direct current brushless motor.
The direct current brushless motor driver controls the direct current brushless motor according to the difference value of the first rotating speed and the second rotating speed so as to enable the first rotating speed to be equal to the second rotating speed.
That is to say, the direct current brushless motor 4 is closed-loop controlled according to the difference between the actual rotating speed and the theoretical rotating speed, and the electric drive replaces the traditional mechanical drive mode, so that the accurate control of the rotating speed of the seeding disc 9 is realized, and the purpose of precision seeding is achieved.
It should be noted that two opposite end surfaces of the seeding tray 9 are both provided with power shafts, the two power shafts are both sleeved with rotary bearings 11, and a motor output shaft on the dc brushless motor 4 is coaxially connected with the power shafts through a coupler. The first end cover 21 and the second end cover 22 are respectively provided with an accommodating space therein, and the two rotary bearings 11 are respectively arranged in the two accommodating spaces.
In an optional embodiment, the electrically-driven precision rice direct-seeding seed-metering device further comprises a receiver, the receiver is used for being in communication connection with a satellite, the receiver is in communication connection with a controller, and the controller determines the running speed of the unit according to the positioning information of the receiver.
It should be noted that the receiver receives the positioning information sent by the satellite and sends the positioning information to the controller, and the controller determines the running speed of the unit according to the positioning information received in unit time.
The electric-driven precision rice direct seeding seed sowing device further comprises a storage battery, and the storage battery can supply power for the direct current brushless motor 4, the direct current brushless motor driver, the controller, the speed sensor and the interaction device.
In an optional embodiment, the electrically-driven precision rice direct seeding and seeding device further comprises a seed guide pipe 3, the seed guide pipe 3 is of a conical structure, the seed guide pipe 3 is arranged at the lower end of the shell 2, and the seed guide pipe 3 is communicated with the seed guide port.
It should be noted that, the macrostoma end of the seed guide tube 3 is provided with two lifting lugs, the two lifting lugs are connected with the seed guide tube 3 through a connecting plate, the lifting lugs and the connecting plate are arc-shaped structures, and the seed guide tube 3 is inlaid in the middle of the connecting plate.
Wherein, the connecting plate is set to be arc, convenient and casing 2's installation and the whereabouts of seed, for guaranteeing the cavitation nature of seeding, and seed guide 3 sets to the tapered, for guaranteeing that the seed is not damaged, and then improves economic benefits, and seed guide 3, lug and connecting plate all adopt the plastics that the plasticity is stronger to make.
In an optional embodiment, the electrically-driven precision rice direct-seeding seed sowing device further comprises an earth-covering seed pressing plate 5, the earth-covering seed pressing plate 5 is of an arc-shaped structure, and the earth-covering seed pressing plate 5 is arranged on the side surface of the shell 2 and is close to the seed guiding pipe 3.
It should be noted that, the opposite sides of the earthing pressure plate 5 are provided with the adapter plate, the adapter plate is provided with the chute, the bolt passes through the chute and fixes the earthing pressure plate 5 on the casing 2, and the position of the earthing pressure plate 5 on the casing 2 can be adjusted by adjusting the position of the bolt in the chute, that is, the distance between the earthing pressure plate 5 and the ground can be adjusted.
Wherein, the earthing presses kind of board 5 to adopt the rubber preparation, and earthing presses kind of board 5 both can prevent the seed spring, also can realize the earthing function, can carry out the counter weight at the afterbody.
In an optional embodiment, the electrically-driven precision rice direct-seeding seed-metering device further comprises a seed box 1, wherein the seed box 1 is provided with a seed outlet, and the seed outlet is communicated with a seed filling opening.
When the whole sowing process is completed, the seed discharge port is in an open state, and the residual seeds in the seed box 1 can be removed.
In an optional embodiment, the electrically-driven precision rice direct seeding and sowing device further comprises a brush 8, the brush 8 is installed at the top of the shell 2, the brush 8 is arranged towards the opening 15, and the brush 8 can clean redundant seeds falling into the channel.
Specifically, the upper end surfaces of the first end cover 21 and the second end cover 22 are respectively provided with a brush clamping plate, and the brush 8 is installed on the brush clamping plates.
It should be noted that, during the rotation of the sowing tray 9 relative to the housing 2, the sowing tray 9 can be tightly attached to the inner side surface of the housing 2, that is, the opening 15 is in a closed state, so as to prevent seeds from falling off in advance.
According to the electrically-driven precision rice direct-seeding seed sowing device disclosed by the embodiment of the invention, the seeding quantity control is realized by changing the motion track of the rolling bearing 16, the motion track of the rolling bearing 16 is controlled by the guide ring 18, and the inner side surface of the guide ring 18 is formed by curved surfaces with different radiuses, namely, the inner side curved surface of the guide ring 18 is gradually changed, so that the precise control of the seeding quantity and the large-scale adjustment of the seeding quantity can be realized;
the electric drive is adopted to replace the traditional mechanical drive, thereby effectively avoiding the bad phenomena of slipping, chain jumping and the like caused by chain or gear transmission and ensuring the seeding quality; the closed loop is adopted to control the DC brushless motor 4, so that the seeding precision is improved;
the internal transmission devices all adopt the rotating bearing 11, and compared with the traditional pure mechanical and gear transmission, the failure rate is reduced, the transmission efficiency is increased, and the sowing efficiency is ensured;
the seed discharging port is arranged on the seed box 1, so that the seed can be discharged independently, and the residual seeds can be cleaned in time after the seeding operation is finished;
the seed guide pipe 3 is arranged in a conical shape, so that the falling path of the seeds is restrained, the cavitation property of the seeds falling into the field is ensured, the yield can be greatly improved, and the income is increased;
the spring 13 is arranged at the lower end of the push pin shaft 12, and the initial speed of the seeds falling into the seed guide pipe 3 can be increased by utilizing the characteristics of the spring 13, so that the falling time of the seeds is reduced, and the cave forming property of the seeds falling into the fields is enhanced.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides an electricity drive smart volume rice direct seeding seed metering ware which characterized in that includes: the seeding device comprises a shell, a seeding disc, a driving device and a seeding control mechanism;
the seeding tray is provided with a plurality of channels, the channels extend along the radial direction of the seeding tray, the channels are provided with openings, and the channels are sequentially distributed along the circumferential direction of the seeding tray;
the seeding control mechanisms correspond to the channels one to one, are arranged in the channels and can change the volume of the channels;
the shell is provided with a seed filling port and a seed guiding port, the seeding disc can be arranged in the shell in a relatively rotating way, and the driving device is connected with the seeding disc;
the sowing disc rotates relative to the shell under the driving of the driving device, so that seeds entering the channel from the seed filling port are discharged through the seed guide port;
the seeding control mechanism comprises a push pin shaft, an elastic component and an adjusting mechanism; the push pin shaft and the elastic component are both positioned in the channel, one end of the elastic component is connected with the bottom of the channel, the other end of the elastic component is connected with the push pin shaft, and the adjusting mechanism is connected with the push pin shaft; under the action of the adjusting mechanism, the push pin shaft can move towards or away from the bottom of the channel so as to change the volume of the channel;
the adjusting mechanism comprises a guide ring, a bolt, a nut and a rolling bearing; the push pin shaft is provided with a through hole, the bolt penetrates through the through hole, and the rolling bearing and the nut are sequentially arranged on the bolt along the extension direction of the bolt; the guide ring is abutted against the seeding tray and can rotate relative to the seeding tray, a flange is arranged on the inner side surface of the guide ring, and the rolling bearing is abutted against the flange; the channel is provided with a guide sliding groove, the bolt is positioned in the guide sliding groove, and the bolt can move relative to the guide sliding groove under the condition that the guide ring rotates relative to the sowing tray.
2. The electrically-driven precision rice direct-seeding and seed-metering device as claimed in claim 1, wherein an ear ring is arranged on the outer side surface of the guide ring, the adjusting mechanism further comprises an adjusting plate and an adjusting knob, the adjusting plate is provided with an adjusting chute, the adjusting plate is arranged on the housing, the adjusting knob is arranged in the adjusting chute in a penetrating manner, and the adjusting knob is connected with the ear ring;
wherein, under the condition that the adjusting knob moves along the adjusting chute, the guide ring can rotate relative to the sowing plate.
3. The electrically-driven precision rice direct-seeding and seed-metering device as claimed in claim 1, wherein the adjusting mechanism further comprises a balance wheel, the balance wheel is sleeved on the bolt, and the seed tray is positioned between the balance wheel and the rolling bearing.
4. The electrically-driven precision rice direct-seeding seed-metering device according to claim 1, wherein the driving device is a direct-current brushless motor, and the electrically-driven precision rice direct-seeding seed-metering device further comprises a direct-current brushless motor driver, a controller, a speed sensor and an interaction device;
the interaction device is used for inputting and outputting operation parameters, and the controller is used for acquiring a first rotating speed corresponding to the direct current brushless motor according to the operation parameters;
the speed sensor is used for acquiring a second rotating speed of the direct current brushless motor;
the direct current brushless motor driver controls the direct current brushless motor according to the difference value of the first rotating speed and the second rotating speed, so that the first rotating speed is equal to the second rotating speed.
5. The electrically-driven direct-seeding rice seed sowing device according to claim 4, further comprising a receiver for communicating with a satellite, wherein the receiver is in communication with the controller, and wherein the controller determines the running speed of the unit according to the positioning information of the receiver.
6. The electrically-driven precision rice direct-seeding seed-metering device according to claim 1, further comprising a seed-guiding pipe, wherein the seed-guiding pipe is of a conical structure and is arranged on the shell, and the seed-guiding pipe is communicated with the seed-guiding opening.
7. The electrically-driven precision rice direct-seeding and seed-metering device as claimed in claim 6, further comprising an earth-covering seed-pressing plate, wherein the earth-covering seed-pressing plate is of an arc-shaped structure and is arranged on the housing and close to the seed guiding pipe.
8. The electrically-driven precision rice direct-seeding seed-metering device according to claim 1, further comprising a seed box, wherein the seed box is provided with a seed outlet, and the seed outlet is communicated with the seed filling port;
the seed box is also provided with a seed discharging port and a cover body, the cover body is provided with a first position and a second position relative to the seed box, the cover body is covered on the seed discharging port under the condition that the cover body is positioned at the first position, and the seed discharging port is in an open state under the condition that the cover body is positioned at the second position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114009187A (en) | 2022-02-08 |
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