CN112154750A

CN112154750A - Potato intelligent reseeding machine with miss-seeding detection and reseeding functions

Info

Publication number: CN112154750A
Application number: CN202011088837.8A
Authority: CN
Inventors: 连政国; 王家胜; 张广军
Original assignee: Qingdao Agricultural University
Current assignee: Qingdao Agricultural University
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-01-01

Abstract

The invention relates to agricultural machinery, in particular to an intelligent potato reseeding machine with functions of miss-seeding detection and reseeding. The device comprises a rack, a seed metering device, a seed supplementing device, a fertilizing device, a pesticide applying device, a ditching device, a miss-seeding detection device, an earthing device, a film covering device, a drip irrigation tape laying device and a land wheel, wherein the fertilizing device, the pesticide applying device, the seed supplementing device, the seed metering device, the earthing device, the film covering device and the drip irrigation tape laying device are sequentially arranged on the rack from front to back along the advancing direction of a tractor, the earthing device and the film covering device are both arranged at the bottom of the rack, the ditching device is arranged at the bottom of the front part of the rack, the seed supplementing device and the seed metering device are symmetrically arranged on two sides of a longitudinal central shaft of the rack, and the seed metering device is arranged behind each seed supplementing device. The method realizes the functions of miss-seeding detection and reseeding, ridging and earthing after seeding, ridge surface film covering and the like, and realizes accurate seeding.

Description

Potato intelligent reseeding machine with miss-seeding detection and reseeding functions

Technical Field

The invention relates to agricultural machinery, in particular to an intelligent potato reseeding machine with functions of miss-seeding detection and reseeding.

Background

Most potato planters in the current market have single function, high cost and complex operation, and provide higher requirements for the power strength of agricultural machinery and users; and the seeder has low operation quality and serious seeding missing phenomenon, which directly causes a plurality of operation defects of the potato planter. The chain spoon formula seed metering mechanism of the common adoption of domestic current potato planter, owing to need kind of potato to be cubic at the planting in-process, massive structure is manual cutting mostly and forms, causes kind of potato shape not of uniform size, and chain spoon containment is not strong, appears the phenomenon of broadcasting of missing of empty spoon more easily, causes the cavitation rate height, seeding quality poor, work efficiency low, the low scheduling problem of land utilization. Therefore, the hole-free seeding, ridging, earthing and film covering one-step operation with the functions of miss-seeding detection and compensation is realized by improving the existing seeder, and the hole-free seeding, ridging, earthing and film covering one-step operation has very important significance for improving the utilization rate of land resources and improving the production quality and the production efficiency.

In addition, the potato planter in the market at present has dispersed operation procedures, which increases the operation cost, so that the potato planter needing multiple procedures in one body is also necessary.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides an intelligent potato planter with the functions of miss-seeding detection and reseeding, which realizes the functions of miss-seeding detection and reseeding, ridging and earthing after seeding, ridge surface film covering and the like, and realizes accurate seeding.

The technical scheme of the invention is as follows: an intelligent potato planter with missing seeding detection and reseeding functions comprises a rack, a seed discharging device, a reseeding device, a fertilizing device, a pesticide applying device, a ditching device, a missing seeding detection device, an earthing device, a film covering device, a drip irrigation belt laying device and a land wheel, wherein the fertilizing device, the pesticide applying device, the reseeding device, the seed discharging device, the earthing device, the film covering device and the drip irrigation belt laying device are sequentially arranged on the rack from front to back along the advancing direction of a tractor, the earthing device and the film covering device are both arranged at the bottom of the rack, the ditching device is arranged at the bottom of the front part of the rack, the reseeding device and the seed discharging device are symmetrically arranged on two sides of a longitudinal central shaft of the rack, and the seed discharging device is arranged behind each reseeding device;

the seed discharging device comprises a seed discharging chain spoon, a seed discharging chain wheel, a vibrating motor, a seed cylinder and a seed box, wherein the seed discharging chain is wound on the seed discharging chain wheel, the seed discharging chain wheel comprises a main transmission chain wheel and a driven chain wheel, the driving transmission chain wheel is connected with a land wheel through chain transmission, a plurality of seed discharging chain spoons are arranged on the seed discharging chain at intervals, the seed discharging chain spoon and the seed discharging chain are both arranged in the seed cylinder, the seed box is fixedly connected with the rear surface of the seed cylinder, a vertical sliding groove is arranged on the connecting surface of the seed box and the seed cylinder, the seed discharging chain spoon slides up and down in the sliding groove, and the vibrating motor is arranged on the seed cylinder and is tightly attached to the seed discharging chain spoon;

the reseeding device comprises a reseeding chain spoon, a reseeding chain, a reseeding servo motor, a reseeding cylinder and a reseeding box, wherein the reseeding chain spoon and the reseeding chain are arranged in the reseeding cylinder;

the seed sowing device and the reseeding device are provided with miss-seeding detection devices, each miss-seeding detection device comprises an infrared photoelectric sensor and an intelligent control box, each infrared photoelectric sensor is arranged on a seed cylinder of the seed sowing device, each intelligent control box is arranged on the right front side of each seed box, each intelligent control box comprises a touch screen, a PLC and a stepping driver, and the mounting height of each vibration motor is lower than that of each infrared photoelectric sensor;

the ditching device comprises a fertilizing ditcher, a seeding ditcher and a pesticide-fertilizer collector, the fertilizing ditcher is positioned right below the fertilizing device and the pesticide applying device, the fertilizing ditcher comprises two symmetrically-arranged ditching disks, the two ditching disks are connected with the middle part of the front end of the rack through a connecting rod, the ditching disks are fixedly connected with the bottom of the connecting rod through U-shaped bolts, the top of the connecting rod is connected with the rack, and a plurality of connecting holes are formed in the connecting rod at intervals in the vertical direction;

the seeding furrow opener is positioned below the seed discharging device and the seed supplementing device and comprises two ship-shaped furrowing shovels which are arranged in parallel, the front ends of the ship-shaped furrowing shovels are connected with the frame through U-shaped bolts, the upper ends of the ship-shaped furrowing shovels are fixedly connected with the bottom of the seed supplementing barrel, a plurality of connecting holes are formed in the upper ends of the ship-shaped furrowing shovels, lengthening wings are arranged at the rear parts of the ship-shaped furrowing shovels, and adjusting inclined plates are arranged at the bottoms of the ship-shaped furrowing shovels and the lengthening wings;

the medicine and fertilizer collector is positioned below the fertilizing device and the pesticide applying device, a port is arranged at the top of the medicine and fertilizer collector, one side of the port is positioned below the fertilizing device, the other side of the port is positioned below the pesticide applying device, the bottom of the medicine and fertilizer collector is funnel-shaped, and the port at the bottom of the medicine and fertilizer collector extends into a groove formed in the fertilizing furrow opener.

In the invention, two land wheels are symmetrically arranged at the left side and the right side of the middle part of the rack, wherein the land wheel at one side transmits power to the seed sowing device and the pesticide applying device respectively through chain transmission, and the land wheel at the other side transmits the power to the fertilizer applying device through the chain transmission.

The intelligent seed metering device comprises an infrared photoelectric sensor, a photoelectric sensor and an intelligent control box, wherein the infrared photoelectric sensor is arranged at the rising stage of the seed metering chain spoon after the seed scooping of the seed metering device is finished, the infrared photoelectric sensor comprises an infrared light source and a light receiving mechanism, light emitted by the light source is reflected by the potato seeds and received by a photosensitive element, the required information is obtained through the processing of the intelligent control box, when the potato seeds are arranged on the seed metering chain spoon, a PLC in the intelligent control box does not react, and the seed supplementing device does not act; when no potato is planted on the seed sowing chain spoon, light emitted by the light source is not reflected, required information is not obtained in the intelligent control box, the PLC can react to send an action signal to the reseeding servo motor in time, and the reseeding servo motor acts to complete the reseeding process.

The invention has the beneficial effects that:

(1) whether seeds are scooped up on the seed discharge chain spoon is detected in time before seeding, the reseeding device can be made to reflect in time under the condition of missed seeding, reseeding operation is completed within the seeding plant spacing range required by the potatoes, and the missed seeding rate is reduced;

(2) the position of the empty spoon can be accurately and efficiently detected, the time of the reseeding action can be calculated, the reseeding can be accurately performed, and the planting quality is improved;

the seed metering device and the reseeding device are symmetrically arranged in the front-back direction, the structure is novel, the space is saved, and the seeding and reseeding functions are more perfect.

(3) Can once only accomplish multiple operation processes such as precision seeding, fertilization, pesticide application, earthing, tectorial membrane and laying drip irrigation zone, realize the whole mechanization of seeding operation, satisfy potato planting requirement, save space, with low costs, the suitability is strong, and is easy and simple to handle, and the popularization nature is strong.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the structure of a seed metering device of the present application;

FIG. 3 is a schematic diagram of the construction of a reseeding device in the present application;

FIG. 4 is a schematic view of the construction of a fertilizer opener of the present application;

FIG. 5 is a schematic view of a seed furrow opener arrangement of the present application;

FIG. 6 is a schematic structural view of a Chinese medicine fertilizer collector of the present application;

FIG. 7 is a schematic view of the connection structure of the sowing coulter and the reseeding cylinder.

In the figure: 1, a frame; 2, a seed sowing device; 21 seed-metering chain spoon; 22 a main drive sprocket; 23 kinds of cartridges; 24 a vibration motor; 25 seed boxes; 3, a reseeding device; 31, supplementing a seed chain spoon; 32 complement of main transmission chain wheels; 33, supplementing the seed cylinders; 34, supplementing a servo motor; 35 seed supplementing box; 4, a fertilizing device; 5, a drug delivery device; 6, ditching device; 61 fertilizing furrower; 62, sowing a furrow opener; 63, collecting the medical fertilizer; 7 missing seeding detection device; 71 infrared red photoelectric sensor; 72 an intelligent control box; 8, a soil covering device; 9, a film laminating device; 10 laying a drip irrigation belt device; 11 ground wheels.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

As shown in figure 1, the intelligent potato planter with the miss-seeding detection and reseeding functions comprises a frame 1, a seed sowing device 2, a reseeding device 3, a fertilizing device 4, a pesticide applying device 5, a ditching device, a miss-seeding detection device, a soil covering device 8, a film covering device 9, a drip irrigation belt laying device 10 and a land wheel 11, wherein the fertilizing device 4, the pesticide applying device 5, the reseeding device 3, the seed sowing device 2, the soil covering device 8, the film covering device 9 and the drip irrigation belt laying device 10 are sequentially arranged on the frame 1 from front to back along the advancing direction of a tractor, and the soil covering device 8 and the film covering device 9 are both arranged at the bottom of the frame 1. The bottom of the front part of the frame 1 is provided with a ditching device, two sides of the frame below the seed sowing device are respectively provided with a land wheel 11, and the two land wheels 11 are symmetrically arranged.

The reseeding device 3 is positioned in front of the seed discharging device 2, the two reseeding devices 3 and the seed discharging device 2 are arranged in the reseeding device 3, the seed discharging device 2 and the reseeding device 3 are symmetrically arranged on two sides of a longitudinal central shaft of the rack, and the seed discharging device 2 is arranged behind each reseeding device 3, so that the reseeding and seed discharging links are compact in sequence. The height of the reseeding device 3 is lower than that of the seed metering device 2, and the height of the reseeding device 3 is basically flush with that of the pesticide applying device 5.

Two rows of seed devices 2 are arranged on the frame 1 side by side and are used for sowing potato seeds. As shown in fig. 2, the seed discharging device 2 includes a seed discharging chain scoop 21, a seed discharging chain wheel, a vibration motor 24, a seed cylinder 23 and a seed box 25, the seed discharging chain is wound on the seed discharging chain wheel, the seed discharging chain wheel includes a main driving chain wheel 22 and a driven chain wheel, wherein the driving chain wheel 22 is connected with the land wheel 11 on one side through chain transmission, and during the action of the land wheel 11, the motion is transmitted to the driving chain wheel 22 through the driving chain, so as to drive the seed discharging chain to rotate. A plurality of seed-metering chain scoops 21 are arranged on the seed-metering chain at intervals. The seed sowing chain spoon 21 and the seed sowing chain are both arranged in the seed cylinder 23, the seed box 25 is fixedly connected with the rear surface of the seed cylinder 23, and the seed potato is contained in the seed box 25. The connecting surface of the seed box 25 and the seed cylinder 23 is provided with a sliding groove in the vertical direction, and when the seed-metering chain spoon 21 moves to the side of the seed box 23 along with the seed-metering chain, the seed-metering chain spoon 21 penetrates through the sliding groove to deeply dip seeds in the seed box 25. The vibration motor 24 is arranged on the seed cylinder 23, and the position of the vibration motor is fixed and is tightly attached to the seed sowing chain spoon 21. The power supply of the vibration motor 24 is provided by a tractor storage battery, 24V voltage is adopted, and the eccentric vibration of the vibration motor 24 can drive the seed metering chain spoon 21 to vibrate, so that redundant seed potatoes on the seed metering chain spoon 21 are vibrated, and each seed potato can only be scooped by one seed potato in each seed metering chain spoon 21.

In the invention, two reseeding devices 3 are arranged on a frame 1 side by side and share a fixed beam with a seed discharging device 2, and the reseeding devices 3 are arranged corresponding to the seed discharging device 2 and are used for timely acting reseeding when a seed missing phenomenon occurs in the seed discharging device. As shown in FIG. 3, the reseeding device 3 comprises a reseeding chain spoon 31, a reseeding chain, a reseeding servo motor 34, a reseeding cylinder 33 and a reseeding box 35. The reseeding chain spoon 31 and the reseeding chain are both arranged in the reseeding cylinder 33, the plurality of reseeding chain spoons 31 are arranged on the reseeding chain at intervals, the reseeding chain is wound on the reseeding main transmission chain wheel 32 and the reseeding driven transmission chain wheel, the reseeding main transmission chain wheel 32 is connected with an output shaft of the reseeding servo motor 34, and the reseeding servo motor 34 drives the reseeding main transmission chain wheel 32 to rotate in the action process, so that the reseeding chain is driven on the reseeding chain wheel to drive the reseeding chain spoon 31 to transmit. Mend kind of a seed box 35 and fix and mend the front side of a kind section of thick bamboo 33 and fertilizer injection unit in under the fertile case, the breed potato is equipped with in the 5 incasments of mending kind, mends the spout that is equipped with vertical direction on the side that kind of a kind section of thick bamboo 33 is connected with a kind section of thick bamboo 35 of mending kind, when mending kind of chain spoon 31 and move to the kind of a kind of case 35 side along the kind of a kind of mending, mend kind of chain spoon 31 and can pass the spout and stretch into and fill out.

As shown in figure 1, the fertilizing device 4 is positioned in front of the reseeding device 2 and is used for spreading fertilizer. The fertilizing device 4 is connected with the land wheel 11 on one side through chain transmission, and in the action process of the land wheel 11, power is transmitted to the fertilizing device 4 through the transmission chain, so that the action of the fertilizing device 4 is realized. The fertilizer applying device 4 in this embodiment adopts a grooved pulley type fertilizer applicator, and the size of a fertilizer applying grooved pulley type hole is changed by adjusting a handle to change the fertilizer applying amount. Since the grooved pulley type fertilizer apparatus is the prior art, the detailed description is omitted here.

The pesticide applying device 5 is positioned between the fertilizer applying device 4 and the reseeding device 3 and is used for applying pesticide. The pesticide application device 5 in the embodiment adopts a grooved wheel pesticide discharger which is mainly used for spreading granular pesticides, changes the size of a pesticide discharge grooved wheel type hole through an adjusting handle so as to change the pesticide application amount, and is matched with a fertilizer application device for use.

In the invention, the seed metering device 2 and the reseeding device 3 are combined into a set of ditching device, the ditching device comprises a fertilizing ditcher 61, a seeding ditcher 62 and a medicine-fertilizer collector 63, the fertilizing ditcher 61 is arranged at the forefront, the medicine-fertilizer collector 63 is positioned between the fertilizing ditcher 61 and the seeding ditcher 62 and is higher than the fertilizing ditcher 61, the seeding ditcher 62 is positioned at the rear of the medicine-fertilizer collector 63, and two seeding ditchers 62 are arranged.

The fertilizing furrower 61 is located directly below the fertilizing device 4 and the pesticide applying device 5. As shown in figure 4, the fertilizing furrower 61 comprises two symmetrically arranged furrowing disks, and the two furrowing disks are connected with the middle part of the front end of the frame 1 through a connecting rod. The ditching disc passes through U type bolt and the bottom fixed connection of connecting rod, and the top and the frame 1 of connecting rod are connected. Be equipped with the several connecting hole along vertical direction interval on the connecting rod, when the connecting hole of difference in position on ditching disc and the connecting rod is connected, realized the adjustment to ditching disc height to different ditching degree of depth has been realized. Therefore, the fertilizing furrower 61 can reasonably adjust the furrowing depth according to the agricultural planting requirements of the potatoes.

The sowing coulter 62 is positioned below the seed metering device 2 and the reseeding device 3. As shown in fig. 7, the sowing coulter 62 includes two boat-shaped coulters arranged in parallel, the upper ends of the boat-shaped coulters are fixedly connected with the bottom of the reseeding cylinder, and the upper ends of the boat-shaped coulters are provided with a plurality of connecting holes, when different connecting holes are connected with the reseeding cylinder, the heights of the boat-shaped coulters are different, so that the adjustment of the coulter depth according to different planting requirements is realized. The rear part of the boat-shaped ditching shovel is provided with the lengthening wing, and the ditching requirement of seed discharging and reseeding can be met by the ditching device through the lengthening wing. The bottom of the boat-shaped ditching shovel and the lengthened wing is provided with the adjusting inclined plate, and when the reseeding operation is needed, the inclined plate can be adjusted up and down according to the requirement, so that the compensated seed potatoes fall within the range of the requirement of the plant spacing. Tractor traction machine gos forward, and during ship type digger pressed into soil, the share shaft of digger front end had the function of breaking ground, drew into soil with the digger, and the wing of both sides is separately soil simultaneously, opens the kind ditch of certain width and degree of depth.

The pesticide-fertilizer collector 63 is positioned below the fertilizer application device 4 and the pesticide application device 5. The top of the medicine fertilizer collector 63 is provided with a port, one side of the port is positioned below the fertilizing device 4, and the fertilizer from the fertilizing device 4 is collected; the other side of the port is located below the applicator 5, where the pesticide from the applicator is collected. The bottom of the pesticide-fertilizer collector 63 is funnel-shaped, and the bottom port extends into the groove formed by the fertilizing furrower 61. The fertilizer discharged by the fertilizing device 4 and the pesticide discharged by the pesticide applying device 5 are mixed in the pesticide-fertilizer collector 63 and then fall into the groove formed by the fertilizing furrower 61 from the bottom port of the pesticide-fertilizer collector 63.

And a soil covering device 8 is arranged behind the seed metering device 2 and used for collecting soil on two sides into ridges and covering the sowed potato seeds. The power of the soil covering device 8 comes from a rear output shaft of the tractor, and is transmitted to the gearbox through the universal joint, and then is output to the soil covering device 8. The film covering device 9 is positioned at the rear of the soil covering device 8 and at the bottom of the frame 1 and is used for covering a plastic film on the ridge surface. A drip tape laying device 10 is arranged behind the film covering device 9 and is used for laying drip tapes in soil. The left side and the right side of the middle part of the frame 1 are symmetrically provided with land wheels 11 which are used for providing power for the seed sowing device 2, the fertilizing device 4 and the pesticide applying device 5, wherein the left land wheel transmits the power to the seed sowing device 2 and the pesticide applying device 5 respectively through chain transmission; the right land wheel transmits power to the fertilizing device 4 through chain transmission.

The seed discharging device 2 and the reseeding device 3 are provided with a missed seeding detection device 7 for detecting a missed seeding phenomenon of the seed discharging device 2 in time and sending an action command to the reseeding device 3 in time to complete a missed seeding detection function. The miss-seeding detection device 7 comprises an infrared photoelectric sensor 71 and an intelligent control box 72, wherein the infrared photoelectric sensor 71 is arranged on the seed cylinder 23 of the seed sowing device 2 and is used for detecting whether seed potatoes exist on the seed sowing spoon; intelligent control box 72 installs in the right front side of seed case 25, and intelligent control box 72 includes touch-sensitive screen, PLC and step driver, realizes man-machine interaction through the touch-sensitive screen, can realize the regulatory function of multiple parameter. The infrared photoelectric sensor 71 belongs to a diffuse reflection type and is provided with an infrared light source and a light receiving device, light emitted by the light source is received by the photosensitive element through the reflection of potato seeds, the required information is obtained through the processing of the intelligent control box 72, when the seeds are planted on the seed sowing chain spoon 21, the PLC in the intelligent control box 72 does not react, and the reseeding device 3 does not act; when no potato is planted on the seed sowing chain spoon 21, light emitted by the light source is not reflected, required information is not obtained in the intelligent control box 72, the PLC can respond to the light and timely send an action signal to the reseeding servo motor 34, and the reseeding servo motor 34 acts to complete the reseeding process. The infrared photoelectric sensor 71 is arranged at the rising stage of the seed metering chain spoon 21 after the seed metering device 2 finishes scooping seeds, the empty spoon condition of the seed metering chain spoon 21 can be timely detected in advance, the PLC sends out action command signals to the reseeding servo motor 34 within the time when the empty spoon is detected to move to the bottom seed descending stage, when the time is up, the reseeding servo motor 34 acts, and the reseeding chain spoon 31 acts for a distance of one plant distance, so that reseeding is just finished. In the invention, the mounting height of the vibration motor 24 is lower than that of the infrared photoelectric sensor 71 in the miss-seeding detection device 7, so that the miss-seeding detection is started after the seed taking chain spoon 21 finishes seed taking and realizes stable motion.

In the invention, a PLC control system sends a control signal to a reseeding servo motor 34 as an action command signal, when a seeding chain spoon 21 is empty, a miss-seeding phenomenon occurs, when the phenomenon occurs, the PLC calculates action sending time according to self programming, the time point is obtained by accumulating three times, the first time point is the time point of the distance traveled by the seeding chain spoon 21 from the current empty spoon occurrence time point to the final seeding stage is T1; the second time point is a time point T2 when the reseeding servo motor 34 acts and drives the reseeding chain spoon to move for a distance of one row spacing; and the third time point is the time point T3 of the distance that the seed potatoes fall into the seed ditch after falling off from the reseeding chain spoon, and the accumulation of the three time points is used as the delay time for the PLC to send a command to the reseeding servo motor. The accumulated time points are programmed into a PLC control system under the accumulation of three time points of T1, T2 and T3. Meanwhile, after the PLC sends an action command, the reseeding device 3 must be ensured to act and move for a distance of one plant spacing, so that the time point T2 can be calculated conveniently. Meanwhile, after the reseeding device 3 acts, the reseeded seed potatoes can fall into the correct position where the seeds are thrown out by normal seed sowing, the plant spacing of normal sowing is guaranteed, and the planting requirements of users are met.

When the potato planter works, the planter is connected to a tractor in a trailing mode, the tractor drives the planter to work, the tractor inputs power into a transmission system of a gearbox to drive the soil covering device 8 to work, and the sowed potatoes are covered with soil and ridged. Meanwhile, the left land wheel 11 and the right land wheel 11 drive the seed sowing device 2, the fertilizing device 4 and the pesticide applying device 5 to act through chain transmission in the rotating process. When the miss-seeding phenomenon occurs, the reseeding device 3 sends reseeding actions to reseed seeds in time; the soil covering device 8 covers soil and forms ridges in time, the film covering device 9 covers plastic films on ridge surfaces, and the drip irrigation tape laying device 10 lays drip irrigation tapes on the soil layer surfaces, so that multiple operation procedures of precision seeding, fertilization, pesticide application, soil covering, film covering, drip irrigation tape laying and the like can be completed at one time through the soil covering device.

The intelligent potato reseeding machine with the miss-seeding detection and reseeding functions provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a potato intelligence planter with leak and sow detection and reseed function, includes frame (1), seed metering device (2), reseeding device (3), fertilizer injection unit (4), medicine application device (5), ditching device, leaks and broadcasts detection device, earthing device (8), tectorial membrane device (9), lays drip irrigation zone device (10) and land wheel (11), its characterized in that: the fertilizer applying device (4), the pesticide applying device (5), the reseeding device (3), the seed discharging device (2), the soil covering device (8), the film covering device (9) and the drip irrigation tape laying device (10) are sequentially arranged on the rack (1) from front to back along the advancing direction of a tractor, wherein the soil covering device (8) and the film covering device (9) are both arranged at the bottom of the rack (1), the bottom of the front part of the rack (1) is provided with a ditching device, the reseeding device (3) and the seed discharging device (2) are symmetrically arranged on two sides of a longitudinal central shaft of the rack, and the seed discharging device (2) is arranged behind each reseeding device (3);

the seed sowing device (2) comprises a seed sowing chain spoon (21), a seed sowing chain wheel, a vibration motor (24), a seed cylinder (23) and a seed box (25), wherein the seed sowing chain is wound on the seed sowing chain wheel, the seed sowing chain wheel comprises a main transmission chain wheel (22) and a driven chain wheel, the main transmission chain wheel (22) is connected with the ground wheel (11) through chain transmission, a plurality of seed sowing chain spoons (21) are arranged on the seed sowing chain at intervals, the seed sowing chain spoons (21) and the seed sowing chain are both arranged in the seed cylinder (23), the seed box (25) is fixedly connected with the rear surface of the seed cylinder (23), a vertical sliding groove is arranged on the connecting surface of the seed box (25) and the seed cylinder (23), the seed sowing chain spoons (21) slide up and down in the sliding groove, and the vibration motor (24) is arranged on the seed cylinder (23) and is tightly attached to the seed sowing chain spoon (21);

the reseeding device (3) comprises a reseeding chain spoon (31), a reseeding chain, a reseeding servo motor (34), a reseeding cylinder (33) and a reseeding box (35), the reseeding chain spoon (31) and the reseeding chain are arranged in the reseeding cylinder (33), a plurality of reseeding chain spoons (31) are arranged on the reseeding chain at intervals, the reseeding chain is wound on a reseeding main transmission chain wheel (32) and a reseeding driven transmission chain wheel, the reseeding main transmission chain wheel (32) is connected with an output shaft of the reseeding servo motor (34), the reseeding box (35) is fixed on the front side of the reseeding cylinder (33), a sliding groove in the vertical direction is formed in the side face, connected with the reseeding cylinder (33), of the reseeding box (35), and the reseeding chain spoons (31) slide up and down in the sliding groove;

a miss-seeding detection device (7) is arranged on the seed sowing device (2) and the seed replenishing device 3(), the miss-seeding detection device (7) comprises an infrared photoelectric sensor (71) and an intelligent control box (72), the infrared photoelectric sensor (71) is arranged on a seed cylinder (23) of the seed sowing device (2), the intelligent control box (72) is arranged on the right front side of the seed box (25), the intelligent control box (72) comprises a touch screen, a PLC (programmable logic controller) and a stepping driver, and the mounting height of the vibration motor (24) is lower than that of the infrared photoelectric sensor (71);

the ditching device comprises a fertilization ditcher (61), a seeding ditcher (62) and a pesticide-fertilizer collector (63), the fertilization ditcher (61) is positioned under the fertilization device (4) and the pesticide application device (5), the fertilization ditcher (61) comprises two symmetrically-arranged ditching disks, the two ditching disks are connected with the middle part of the front end of the rack (1) through a connecting rod, the ditching disks are fixedly connected with the bottom of the connecting rod through U-shaped bolts, the top of the connecting rod is connected with the rack (1), and a plurality of connecting holes are formed in the connecting rod at intervals in the vertical direction;

the seeding furrow opener (62) is positioned below the seed discharging device (2) and the reseeding device (3), the seeding furrow opener (62) comprises two ship-shaped furrowing shovels which are arranged in parallel, the front ends of the ship-shaped furrowing shovels are connected with the rack (1) through U-shaped bolts, the upper ends of the ship-shaped furrowing shovels are fixedly connected with the bottom of the reseeding cylinder, a plurality of connecting holes are formed in the upper ends of the ship-shaped furrowing shovels, lengthening wings are arranged at the rear parts of the ship-shaped furrowing shovels, and adjusting inclined plates are arranged at the bottoms of the ship-shaped furrowing shovels and the lengthening wings;

the medicine and fertilizer collector (63) is positioned below the fertilizing device (4) and the pesticide applying device (5), the top end opening of the medicine and fertilizer collector (63) is provided, one side of the end opening is positioned below the fertilizing device (4), the other side of the end opening is positioned below the pesticide applying device (5), the bottom of the medicine and fertilizer collector (63) is funnel-shaped, and the end opening at the bottom extends into a groove formed by the fertilizing furrow opener (61).

2. The intelligent potato planter with miss-seeding detection and reseeding functions as claimed in claim 1, wherein: the left side and the right side of the middle part of the rack (1) are symmetrically provided with two land wheels (11), wherein the land wheel on one side transmits power to the seed sowing device (2) and the pesticide applying device (5) through chain transmission respectively, and the land wheel on the other side transmits power to the fertilizer applying device (4) through chain transmission.

3. The intelligent potato planter with miss-seeding detection and reseeding functions as claimed in claim 1, wherein: the infrared photoelectric sensor (71) is arranged at the rising stage of the seed metering chain spoon (21) after the seed scooping of the seed metering device (2) is completed, the infrared photoelectric sensor (71) comprises an infrared light source and a light receiving mechanism, light emitted by the light source is reflected by potato seeds and received by a photosensitive element, the light is processed by the intelligent control box (72) to obtain required information, when the seed potatoes are on the seed metering chain spoon (21), a PLC in the intelligent control box (72) does not react, and the reseeding device (3) does not act;

when no potato is planted on the seed sowing chain spoon (2), light emitted by the light source is not reflected, required information is not obtained in the intelligent control box (72), the PLC responds to the light, an action signal is timely sent to the reseeding servo motor (34), the reseeding servo motor (34) acts, and the reseeding process is completed.