CN109526319B - Method for dibbling peanuts by applying multi-point double-side automatic dibbler for peanut breeding - Google Patents

Abstract

The invention discloses a method for dibbling peanuts by using a multipoint bilateral automatic dibbler for peanut breeding, which comprises the steps of hanging, adding seeds, inserting the seeds into a pipe for sowing, lifting the pipe for burying the seeds, changing rows for sowing and repeatedly sowing; the lifting oil cylinders on the two sides of the machine drive the seed sowing pipe to simultaneously slide up and down along the first and second fixing rods of the lifting oil cylinders, the pull rods enable the duckbilled tongue plates and the duckbilled plugs to be opened or closed through the connecting rods, and meanwhile, the oscillating rods, the levers and the ejector rods jointly act on the guide rods to enable the guide rods and the seed sowing pipe to move up and down in a reverse direction, so that seeds are guided into the seed sowing pipe from the seed holding hopper, and linkage operation of double-side tube inserting seed sowing and tube lifting seed burying is realized; by applying the electro-hydraulic automatic control technology that the photoelectric switch, the meter counter, the electromagnetic valve and the PLC control device are electrically connected, the seeding depth, the row spacing and the line changing operation are automatically controlled, the automatic control of double-side pipe inserting seeding, pipe lifting seed burying and line changing seeding is realized, the seeding depth is consistent, two-row multi-point dibbling operation is completed at one time, the labor intensity is low, and the working efficiency is high.

Description

Method for dibbling peanuts by applying multi-point double-side automatic dibbler for peanut breeding

Technical Field

The invention belongs to a peanut sowing method, and particularly relates to a method for dibbling peanuts by using a multipoint double-side automatic dibbler for peanut breeding.

Background

China is a big peanut research country, a great amount of scientific researches on peanuts are carried out every year in a plurality of agricultural research units and various grades of approval mechanisms in China, and almost all experiments are carried out in experimental plot seeding; the traditional plot seeding mode generally adopts the working procedures of wire pulling, ditching, ruler pulling, stooping for seeding, earthing and leveling, and the like, has high working strength, low working efficiency, labor and time waste, and seeding 150 and 200 square meters per day on average under the condition of proper soil moisture content; sometimes, due to different depths of ditching and covering soil and serious soil moisture loss, the seedlings of a plot are not uniform or the seedlings are deficient and broken, so that the test precision is seriously influenced, and finally, data distortion and test scrapping are caused; the manual single-point dibbler is adopted in the peanut breeding seeding at present, comprises a handle, a funnel, a seed falling cylinder, a pedal plate and a duckbilled plug, and needs manual work to carry during the seeding, thereby wasting time and energy, having large labor intensity and low working efficiency.

Disclosure of Invention

The invention aims to provide a method for dibbling peanuts by using a multipoint double-side automatic dibbler for peanut breeding, aiming at the defects of the prior art.

The technical scheme of the invention is realized in the following mode:

the method for dibbling peanuts by using the multi-point double-side automatic dibbler for peanut breeding is characterized by comprising the following steps of:

(1) hanging: the tractor is connected with a traction lifting lug in a hanging mode, the electromagnetic valve is hydraulically connected with a control valve of the tractor, the PLC control device is electrically connected with the storage battery, the PLC control device controls the first photoelectric switch, the second photoelectric switch, the first meter counter, the third photoelectric switch, the fourth photoelectric switch, the second meter counter and the electromagnetic valve to work, and the tractor is dragged to a middle passageway of two test plot seeding plots;

(2) seed adding: adding peanut seeds into the seed holding hopper;

(3) inserting a tube for seeding: the control valve is operated by a manipulator to work, the control valve is hydraulically communicated with the electromagnetic valve, the PLC control device controls the electromagnetic valve to enable the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder to simultaneously contract to drive the first fixing rod and the second fixing rod of the dibbler to fall down, the swing rods of the dibblers at two sides simultaneously push up the lever, the middle part of the lever is supported by the ejector rod, the other end of the lever presses the guide rod downwards, two grooves at the lower part of the guide rod are under the action of the rubber sealing gasket, one groove contains one seed, and when the two grooves slide to the position below the rubber sealing gasket, the seed falls into the seed discharging pipe from the groove in the seed discharging cavity; meanwhile, the seeding tube falls down to drive the duckbill plug to be inserted into soil, and the pull rod enables the duckbill tongue plate and the duckbill plug to be closed through the connecting rod; when the first fixing rod of the dibbler corresponds to the second photoelectric switch and the second fixing rod of the dibbler corresponds to the fourth photoelectric switch, the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder stop contracting at the same time, and the duckbill plug is inserted into the deepest part of the soil;

(4) lifting the pipe and burying seeds: the PLC control device controls the electromagnetic valve to enable the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder to extend simultaneously to drive the first fixing rod and the second fixing rod of the dibbler to rise simultaneously, the swing rods of the dibblers on two sides pull the lever downwards simultaneously, the other end of the lever pulls the guide rod upwards, and the two grooves on the lower part of the guide rod slide into the seed containing hopper in the middle of the rubber sealing gasket; meanwhile, the seeding tube ascends to drive the duckbill plug to be lifted out of the soil, the pull rod enables the duckbill tongue plate and the duckbill plug to be opened through the connecting rod, and seeds fall from the duckbill plug and are buried in the soil; when the first fixed rod of the seeder corresponds to the first photoelectric switch and the second fixed rod corresponds to the third photoelectric switch, the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder stop extending simultaneously, and two-line multi-point dibbling operation is completed at one time;

(5) line changing and seeding: the PLC control device controls the electromagnetic valve to enable the first transverse oil cylinder, the second transverse oil cylinder, the third transverse oil cylinder and the fourth transverse oil cylinder to extend simultaneously, and drives the first fixing rod and the second fixing rod of the lifting oil cylinder to move outwards simultaneously, so that the first fixing rod and the second fixing rod of the dibbler are driven to move outwards simultaneously, a plurality of dibblers on two sides are enabled to move outwards simultaneously, when the first meter counter and the second meter counter detect a preset row spacing, the PLC control device controls the electromagnetic valve to enable the first transverse oil cylinder, the second transverse oil cylinder, the third transverse oil cylinder and the fourth transverse oil cylinder to stop extending simultaneously, and two-row-changing seeding operation is completed;

(6) and (4) repeated sowing: and (5) repeating the operations of the steps (3), (4) and (5).

The invention has the following advantages:

the lifting oil cylinders on the two sides of the peanut breeding multipoint double-side automatic dibbler drive the seeding pipe to simultaneously slide up and down along the first fixing rod and the second fixing rod of the lifting oil cylinder, the pull rod enables the duckbill tongue plate and the duckbill plug to be opened or closed through the connecting rod, and the guide rod and the seeding pipe are driven to do reverse up-and-down motion by the combined action of the oscillating rod, the lever and the ejector rod, so that seeds are guided into the seeding pipe from the seed holding hopper, and the linkage operation of bilateral tube inserting seeding and tube lifting and seed burying is realized; through the electro-hydraulic automatic control technology that uses photoelectric switch, meter rice ware, solenoid valve and PLC controlling means electricity to be connected, automatic control depth of planting, row spacing, the operation of changing a line have realized two side intubate and have seeded, carry the automatic control of pipe burial, the seeding of changing a line, have the seeding depth unanimous, it is neat to emerge, once accomplishes two lines of multiple spot seeding operations, labour saving and time saving, low in labor strength, technical effect that work efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of a multipoint double-side automatic dibbler for peanut breeding.

Fig. 2 is a bottom view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a right side view of fig. 1.

In the figure: 1-traction lifting lug, 2-frame, 3-PLC control device, 4-electromagnetic valve, 5-groove, 6-swing rod, 7-ejector rod, 8-lever, 9-guide rod, 10-seed holding bucket, 11-rubber sealing gasket, 12-seeding cavity, 13-seeding tube, 14-pull rod, 15-duckbilled plug, 16-duckbilled tongue plate, 17-connecting rod, 18-first lifting oil cylinder, 19-second lifting oil cylinder, 20-dibbler first fixing rod, 21-lifting oil cylinder first fixing rod, 22-walking wheel, 23-first transverse oil cylinder, 24-second transverse oil cylinder, 25-first meter counter, 26-first photoelectric switch, 27-second photoelectric switch, 28-dibbler second fixing rod, 29-second fixing rod of lifting oil cylinder, 30-third lifting oil cylinder, 31-fourth lifting oil cylinder, 32-second meter counter, 33-third transverse oil cylinder, 34-fourth transverse oil cylinder, 35-third photoelectric switch, 36-fourth photoelectric switch.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-4, the multi-point double-side automatic peanut breeding dibbler comprises a frame 2, wherein the front end of the frame 2 is fixedly connected with a traction lifting lug 1, and the traction lifting lug 1 is rotatably connected with a traction shaft of a tractor; the front part of the frame 2 is provided with a PLC control device 3 and an electromagnetic valve 4, the electromagnetic valve 4 is hydraulically connected with a control valve of a tractor, the control valve is hydraulically connected with a hydraulic oil pump of the tractor, and the PLC control device 3 is electrically connected with a storage battery; the frame 2 is rotatably connected with a travelling wheel 22; a first transverse oil cylinder 23 and a second transverse oil cylinder 24 are transversely and fixedly connected on the frame 2, the end parts of the guide rods of the first transverse oil cylinder 23 and the second transverse oil cylinder 24 are fixedly connected with a first fixing rod 21 of a lifting oil cylinder, the first fixing rod 21 of the lifting oil cylinder is fixedly connected with a first lifting oil cylinder 18 and a second lifting oil cylinder 18, the end parts of the guide rods of the first lifting oil cylinder 18 and the second lifting oil cylinder 19 are fixedly connected with a first fixing rod 20 of a dibbler, a plurality of dibblers are arranged on the first fixing rod 20 of the dibbler, each dibbler comprises a mandril 7 fixedly connected on the first fixing rod 20 of the dibbler, a seed holding bucket 10 and a seed discharging pipe 13, the upper end of the mandril 7 is rotatably connected with a lever 8, one end of the lever 8 is rotatably connected with a swing rod 6, the other end is rotatably connected with a guide rod 9, the swing rod 6 penetrates through the first fixing rod 20 of the dibbler and is rotatably connected with the first fixing rod 21 of the lifting oil cylinder, the lower end of the seed holding bucket 10 is provided with a rubber sealing gasket 11, the lower end of the guide rod 9 is inserted into a central hole of the rubber sealing gasket 11 and is slidably connected with the rubber sealing gasket 11, the lower part of the guide rod 9 is provided with two grooves 5, the upper end of the seed discharging pipe 13 is provided with a seed discharging cavity 12, the middle part of the seed discharging pipe passes through a first fixing rod 21 of the lifting oil cylinder and is in sliding connection with the first fixing rod 21 of the lifting oil cylinder, and the lower end of the seed discharging pipe is fixedly connected with a duckbill plug 15; the duckbill plug 15 is rotatably connected with a duckbill tongue plate 16, the upper end of the duckbill tongue plate 16 is fixedly connected with a connecting rod 17, the other end of the connecting rod 17 is rotatably connected with the lower end of the pull rod 14, and the upper end of the pull rod 14 is rotatably connected with a first fixing rod 21 of the lifting oil cylinder; a first photoelectric switch 26 and a second photoelectric switch 27 are fixedly connected to the first fixing rod 21 of the lifting oil cylinder, the first photoelectric switch 26 corresponds to the upper dead point of the first fixing rod 20 of the dibbler, and the second photoelectric switch 27 corresponds to the lower dead point of the first fixing rod 20 of the dibbler; a first meter counter 25 is fixedly connected to the frame 2, and a roller of the first meter counter 25 is in rolling connection with a guide rod of the first transverse oil cylinder 23; a third transverse oil cylinder 33 and a fourth transverse oil cylinder 34 are fixedly connected with the frame 2 in a reverse transverse direction with a first transverse oil cylinder 23, the end parts of the guide rods of the third transverse oil cylinder 33 and the fourth transverse oil cylinder 34 are fixedly connected with a second fixing rod 29 of a lifting oil cylinder, the second fixing rod 29 of the lifting oil cylinder is fixedly connected with a third lifting oil cylinder 30 and a fourth lifting oil cylinder 31, the end parts of the guide rods of the third lifting oil cylinder 30 and the fourth lifting oil cylinder 31 are fixedly connected with a second fixing rod 28 of a dibbler, a plurality of dibblers are arranged on the second fixing rod 28 of the dibbler, each dibbler comprises a top rod 7, a seed holding bucket 10 and a seed discharging pipe 12 which are fixedly connected with the second fixing rod 28 of the dibbler, the upper end of the top rod 7 is rotatably connected with a lever 8, one end of the lever 8 is rotatably connected with a swing rod 6, the other end of the lever is rotatably connected with a guide rod 9, the swing rod 6 passes through the second fixing rod 28 of the dibbler and is rotatably connected with the second fixing rod 29 of the lifting oil cylinder, the lower end of the seed holding bucket 10 is provided with a rubber sealing gasket 11, the lower end of a guide rod 9 is inserted into a central hole of a rubber sealing gasket 11 and is in sliding connection with the rubber sealing gasket 11, the lower part of the guide rod 9 is provided with two grooves 5, the upper end of a seed discharging pipe 12 is provided with a seed discharging cavity 13, the middle part of the seed discharging pipe penetrates through a second lifting oil cylinder fixing rod 29 and is in sliding connection with the second lifting oil cylinder fixing rod 29, and the lower end of the seed discharging pipe is fixedly connected with a duckbill; the duckbill plug 15 is rotatably connected with a duckbill tongue plate 16, the upper end of the duckbill tongue plate 16 is fixedly connected with a connecting rod 17, the other end of the connecting rod 17 is rotatably connected with the lower end of the pull rod 14, and the upper end of the pull rod 14 is rotatably connected with a second fixing rod 28 of the lifting oil cylinder; a third photoelectric switch 35 and a fourth photoelectric switch 36 are fixedly connected to the second fixing rod 29 of the lift cylinder, the third photoelectric switch 35 corresponds to the upper dead point of the second fixing rod 28 of the dibbler, and the fourth photoelectric switch 36 corresponds to the lower dead point of the second fixing rod 28 of the dibbler; a second meter counter 32 is fixedly connected to the frame 2, and a roller of the second meter counter 32 is in rolling connection with a guide rod of a third transverse oil cylinder 33; the first photoelectric switch 26, the second photoelectric switch 27, the first meter counter 25, the third photoelectric switch 35, the fourth photoelectric switch 36, the second meter counter 32 and the electromagnetic valve 4 are electrically connected with the PLC control device 3; the first transverse oil cylinder 23, the second transverse oil cylinder 24, the first lifting oil cylinder 18, the second lifting oil cylinder 19, the third transverse oil cylinder 33, the fourth transverse oil cylinder 34, the third lifting oil cylinder 30 and the fourth lifting oil cylinder 31 are hydraulically connected with the electromagnetic valve 7. The lifting oil cylinders on the two sides of the peanut breeding multipoint double-side automatic dibbler drive the seeding pipe to simultaneously slide up and down along the first fixing rod and the second fixing rod of the lifting oil cylinder, the pull rod enables the duckbill tongue plate and the duckbill plug to be opened or closed through the connecting rod, and the guide rod and the seeding pipe are driven to do reverse up-and-down motion by the combined action of the oscillating rod, the lever and the ejector rod, so that seeds are guided into the seeding pipe from the seed holding hopper, and the linkage operation of bilateral tube inserting seeding and tube lifting and seed burying is realized; through the electro-hydraulic automatic control technology that uses photoelectric switch, meter rice ware, solenoid valve and PLC controlling means electricity to be connected, automatic control depth of planting, row spacing, the operation of changing a line have realized two side intubate and have seeded, carry the automatic control of pipe burial, the seeding of changing a line, have the seeding depth unanimous, it is neat to emerge, once accomplishes two lines of multiple spot seeding operations, labour saving and time saving, low in labor strength, technical effect that work efficiency is high.

The groove 5 can accommodate one peanut seed.

The distance between the inner circle of the seeding cavity 12 and the outer circle of the guide rod 9 is larger than the diameter of one peanut seed.

The peanut dibbling method with the peanut breeding multi-point double-side automatic dibbling machine comprises the following steps:

(1) hanging: the tractor is connected with a traction lifting lug 1 in a hanging mode, an electromagnetic valve 4 is hydraulically connected with a control valve of the tractor, a PLC control device 3 is electrically connected with a storage battery, the PLC control device 3 controls a first photoelectric switch 26, a second photoelectric switch 27, a first meter counter 25, a third photoelectric switch 35, a fourth photoelectric switch 36, a second meter counter 32 and the electromagnetic valve 4 to work, and the tractor is pulled to a middle passage of two test plot seeding plots;

(2) seed adding: adding peanut seeds into the seed holding hopper 10;

(3) inserting a tube for seeding: the control valve is operated by a manipulator to work, the control valve is hydraulically communicated with the electromagnetic valve 7, the PLC control device 3 controls the electromagnetic valve 7 to enable the first lifting oil cylinder 18, the second lifting oil cylinder 19, the third lifting oil cylinder 30 and the fourth lifting oil cylinder 31 to simultaneously contract to drive the first fixing rod 20 and the second fixing rod 28 of the dibbler to simultaneously fall down, the swing rods 6 of the dibblers on two sides simultaneously push the lever 8 upwards, the middle part of the lever 8 is supported by the push rod 7, the other end of the lever 8 downwards presses the guide rod 9, two grooves 5 on the lower part of the guide rod 9 are under the action of the rubber sealing gasket 11, one groove 5 contains one seed, and when the two grooves 5 slide below the rubber sealing gasket 11, the seed falls into the seed discharging pipe 13 from the groove 5 in the seed discharging cavity 12; meanwhile, the seeding tube 13 falls down to drive the duckbill plug 15 to be inserted into the soil, and the pull rod 14 enables the duckbill tongue plate 16 and the duckbill plug 15 to be closed through the connecting rod 17; when the first fixing rod 20 of the dibbler corresponds to the second photoelectric switch 27 and the second fixing rod 28 of the dibbler corresponds to the fourth photoelectric switch 36, the first lifting oil cylinder 18, the second lifting oil cylinder 19, the third lifting oil cylinder 30 and the fourth lifting oil cylinder 31 stop contracting at the same time, and the duckbill plug 15 is inserted into the deepest part of the soil;

(4) lifting the pipe and burying seeds: the PLC control device 3 controls the electromagnetic valve 7 to enable the first lifting oil cylinder 18, the second lifting oil cylinder 19, the third lifting oil cylinder 30 and the fourth lifting oil cylinder 31 to extend simultaneously to drive the first fixing rod 20 and the second fixing rod 28 of the dibbler to rise simultaneously, the swing rods 6 of the dibblers on two sides simultaneously pull the lever 8 downwards, the other end of the lever 8 pulls the guide rod 9 upwards, and the two grooves 5 on the lower portion of the guide rod 9 slide into the seed holding hopper 10 in the middle of the rubber sealing gasket 11; meanwhile, the seed dropping pipe 13 ascends to drive the duckbill plug 15 to lift out of the soil, the pull rod 14 enables the duckbill tongue plate 16 and the duckbill plug 15 to be opened through the connecting rod 17, and seeds fall from the duckbill plug 15 and are buried in the soil; when the first fixing rod 20 of the seeder corresponds to the first photoelectric switch 26 and the second fixing rod 28 corresponds to the third photoelectric switch 35, the first lifting oil cylinder 18, the second lifting oil cylinder 19, the third lifting oil cylinder 30 and the fourth lifting oil cylinder 31 stop extending simultaneously, and two-line multi-point dibbling operation is completed at one time;

(5) line changing and seeding: the PLC control device 3 controls the electromagnetic valve 7 to enable the first transverse oil cylinder 23, the second transverse oil cylinder 24, the third transverse oil cylinder 33 and the fourth transverse oil cylinder 34 to simultaneously extend to drive the first fixing rod 21 and the second fixing rod 29 of the lifting oil cylinder to simultaneously move outwards, so that the first fixing rod 20 and the second fixing rod 28 of the dibbler are driven to simultaneously move outwards, a plurality of dibblers on two sides are simultaneously moved outwards, when the first meter 25 and the second meter 32 detect a preset row spacing, the PLC control device 3 controls the electromagnetic valve 7 to enable the first transverse oil cylinder 23, the second transverse oil cylinder 24, the third transverse oil cylinder 33 and the fourth transverse oil cylinder 34 to simultaneously stop extending, and two-row changing sowing operation is completed;

(6) and (4) repeated sowing: and (5) repeating the operations of the steps (3), (4) and (5).

The present invention has been described in detail with reference to the embodiments of the embodiments, but it should not be construed that the scope of the subject matter of the present invention is limited to the embodiments described above, and all the technologies realized based on the above contents of the present invention are within the scope of the present invention.

Claims (1)

1. The method for dibbling peanuts by using the multi-point double-side automatic dibbler for peanut breeding is characterized by comprising the following steps of:

(1) hanging: the tractor is connected with a traction lifting lug in a hanging mode, the electromagnetic valve is hydraulically connected with a control valve of the tractor, the PLC control device is electrically connected with the storage battery, the PLC control device controls the first photoelectric switch, the second photoelectric switch, the first meter counter, the third photoelectric switch, the fourth photoelectric switch, the second meter counter and the electromagnetic valve to work, and the tractor is dragged to a middle passageway of two test plot seeding plots;

(2) seed adding: adding peanut seeds into the seed holding hopper;

(3) inserting a tube for seeding: the control valve is operated by a manipulator to work, the control valve is hydraulically communicated with the electromagnetic valve, the PLC control device controls the electromagnetic valve to enable the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder to simultaneously contract to drive the first fixing rod and the second fixing rod of the dibbler to fall down, the swing rods of the dibblers at two sides simultaneously push up the lever, the middle part of the lever is supported by the ejector rod, the other end of the lever presses the guide rod downwards, two grooves at the lower part of the guide rod are under the action of the rubber sealing gasket, one groove contains one seed, and when the two grooves slide to the position below the rubber sealing gasket, the seed falls into the seed discharging pipe from the groove in the seed discharging cavity; meanwhile, the seeding tube falls down to drive the duckbill plug to be inserted into soil, and the pull rod enables the duckbill tongue plate and the duckbill plug to be closed through the connecting rod; when the first fixing rod of the dibbler corresponds to the second photoelectric switch and the second fixing rod of the dibbler corresponds to the fourth photoelectric switch, the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder stop contracting at the same time, and the duckbill plug is inserted into the deepest part of the soil;

(4) lifting the pipe and burying seeds: the PLC control device controls the electromagnetic valve to enable the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder to extend simultaneously to drive the first fixing rod and the second fixing rod of the dibbler to rise simultaneously, the swing rods of the dibblers on two sides pull the lever downwards simultaneously, the other end of the lever pulls the guide rod upwards, and the two grooves on the lower part of the guide rod slide into the seed containing hopper in the middle of the rubber sealing gasket; meanwhile, the seeding tube ascends to drive the duckbill plug to be lifted out of the soil, the pull rod enables the duckbill tongue plate and the duckbill plug to be opened through the connecting rod, and seeds fall from the duckbill plug and are buried in the soil; when the first fixed rod of the seeder corresponds to the first photoelectric switch and the second fixed rod corresponds to the third photoelectric switch, the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder stop extending simultaneously, and two-line multi-point dibbling operation is completed at one time;

(5) line changing and seeding: the PLC control device controls the electromagnetic valve to enable the first transverse oil cylinder, the second transverse oil cylinder, the third transverse oil cylinder and the fourth transverse oil cylinder to extend simultaneously, and drives the first fixing rod and the second fixing rod of the lifting oil cylinder to move outwards simultaneously, so that the first fixing rod and the second fixing rod of the dibbler are driven to move outwards simultaneously, a plurality of dibblers on two sides are enabled to move outwards simultaneously, when the first meter counter and the second meter counter detect a preset row spacing, the PLC control device controls the electromagnetic valve to enable the first transverse oil cylinder, the second transverse oil cylinder, the third transverse oil cylinder and the fourth transverse oil cylinder to stop extending simultaneously, and two-row-changing seeding operation is completed;

(6) and (4) repeated sowing: and (5) repeating the operations of the steps (3), (4) and (5).

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