CN115250662B - Active and passive profiling depth precise control combined operation seeder - Google Patents
Active and passive profiling depth precise control combined operation seeder Download PDFInfo
- Publication number
- CN115250662B CN115250662B CN202211059343.6A CN202211059343A CN115250662B CN 115250662 B CN115250662 B CN 115250662B CN 202211059343 A CN202211059343 A CN 202211059343A CN 115250662 B CN115250662 B CN 115250662B
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- frame
- ditching device
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- disc
- disc ditching
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- 238000010899 nucleation Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000004720 fertilization Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000009331 sowing Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000035040 seed growth Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000003971 tillage Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/16—Other machines for working soil not specially adapted for working soil on which crops are growing with rotating or circulating non-propelled tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
- A01B35/28—Rotating tools; Mounting rotating tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
- A01C5/068—Furrow packing devices, e.g. press wheels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The invention discloses an active-passive profiling seeding depth precise control combined operation seeder which comprises a frame, wherein a rotary cultivator, an adjustable double-disc ditching device and a pressing roller are sequentially arranged below the frame from front to back, the adjustable double-disc ditching device comprises a double-disc ditching device mounting frame, a double-disc ditching device, a support column, a rotating sleeve, a mounting frame connecting plate, a hydraulic rod mounting seat, a hydraulic rod and a mounting frame connecting rod, and a land wheel detection assembly drives the adjustable double-disc ditching device according to a ground height control hydraulic rod so that the adjustable double-disc ditching device is parallel to the ground. The adjustable double-disc ditching device is under the telescopic control of the hydraulic rod, when encountering inclined ground, the ground which is inclined is adapted to the whole adjustable double-disc ditching device by automatic adjustment, so that the sowing depth is more uniform, seed growth is facilitated, and the ground wheel detection assembly is arranged to detect the inclination of the ground in the working process of the whole device, so that the adjustable double-disc ditching device is real-time, efficient and good in use effect.
Description
Technical Field
The invention belongs to the technical field of integrated seeders, and particularly relates to an active and passive profiling seeding depth accurate control combined operation seeder.
Background
When crops are sown, the soil is generally loosened and tidied by a rotary cultivator, and then fertilization and sowing operations are respectively carried out by a fertilizer applicator and a sowing machine. Because the functions of the machines are single, rotary tillage, fertilization and sowing operations are carried out independently, time is wasted, the number of times of mechanical ground entering is large, soil is compacted, crops are damaged, and operation cost is increased. The integrated seeder capable of completing seeding and fertilizing at one time is adopted in the industry, the existing integrated seeder can adjust the seeding depth although realizing seeding and fertilizing integration, has high requirements on the seeding depth uniformity along with the development of lean agriculture, ensures that seeds grow at the most suitable soil depth, mainly adopts passive profiling, has an unsatisfactory effect, has slow response to seeding depth control, has difficult satisfactory effect on seeding depth precision, has poor seeding depth consistency, leads to low seed germination rate, leads to deeper and shallower conditions of partial seed seeding, and is not easy for seed growth.
Disclosure of Invention
The invention aims to provide an active and passive profiling depth accurate control combined operation seeder so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the combined operation seeder with the active and passive profiling seeding depth accurate control comprises a frame, wherein a rotary cultivator, an adjustable double-disc ditching device and a pressing roller are sequentially arranged below the frame from front to back, and a fertilizing box and a seeding box are sequentially arranged above the frame from front to back;
the middle part of the adjustable double-disc ditching device is rotationally connected with the frame, the frame is connected with the adjustable double-disc ditching device through a hydraulic rod in a driving way, and the hydraulic rod stretches and contracts to drive the adjustable double-disc ditching device to rotate so as to actively profile so as to adapt to the inclined ground;
the two sides of the adjustable double-disc ditching device are respectively provided with a land wheel detection assembly on the frame, the land wheel detection assemblies are in control connection with the hydraulic rods, and the land wheel detection assemblies adjust the rotation of the adjustable double-disc ditching device according to the height control hydraulic rods of the ground so that the adjustable double-disc ditching device is parallel to the ground;
the ground wheel detection assembly comprises a frame connecting rod and a ground wheel frame, wherein the frame connecting rod is rotationally connected with the ground wheel frame through a shaft rod, a ground wheel is arranged at the lower end of the ground wheel frame, a contact installation frame is arranged on the frame connecting rod and close to one end of the shaft rod, an upper contact and a lower contact are respectively arranged at the upper end and the lower end of the inside of the contact installation frame, the inner side of the ground wheel frame is fixedly connected with a poking piece, and the poking piece is positioned between the upper contact and the lower contact;
the plectrum electric connection of both sides, the positive pole and the negative pole of a power of upper contact and lower contact electric connection respectively of both sides form two power lines, be connected the electromagnetic directional valve between hydraulic stem and the power supply, and two electric interfaces of electromagnetic directional valve are connected respectively on the power line of both sides.
Preferably, the adjustable double-disc ditching device comprises a double-disc ditcher mounting frame, a double-disc ditcher, support columns, rotating sleeves, a mounting frame connecting plate, a hydraulic rod mounting seat, a hydraulic rod and a mounting frame connecting rod, wherein two rows of double-disc ditchers are alternately mounted on the double-disc ditcher mounting frame, the mounting frame connecting plate is provided with two and lower ends which are respectively connected with two sides of the middle of the double-disc ditcher mounting frame, the rotating sleeves penetrate through and fixedly connected with the upper ends of the two mounting frame connecting plates, the support columns penetrate through and are rotationally connected with the rotating sleeves, two ends of the support columns are fixedly mounted on a frame, the hydraulic rod mounting seat is fixedly mounted on the support columns, the hydraulic rod mounting seat rotates one end connected with the hydraulic rod, the other end of the hydraulic rod is rotationally connected with one end of the mounting frame connecting rod, and the other end of the mounting frame connecting rod is fixedly connected with the double-disc ditcher mounting frame.
Preferably, two feed openings are formed in an upper arc plate on the double-disc furrow opener, and one feed opening is connected with the sowing box through a hose.
Preferably, the upper contact and the lower contact are connected with the contact mounting frame through screws.
Preferably, the contact mounting frame is connected with the upper contact and the lower contact in an insulating manner.
Preferably, the land wheel frame is formed by welding two reversely arranged U-shaped frames, one U-shaped frame is rotationally connected with the land wheel, the other U-shaped frame is rotationally connected with a shaft lever, and the shaft lever is fixedly arranged at one end of a frame connecting rod.
Preferably, adjusting screws are fixedly arranged on two side surfaces of the contact mounting frame, adjusting long grooves are formed in corresponding frame connecting rods of the adjusting screws, and the adjusting screws penetrate through the adjusting long grooves and are in threaded connection with locking screws.
The invention has the technical effects and advantages that: this active and passive profile modeling is sowed dark accurate control combined operation seeder, but adjustable double-disc ditching device is under hydraulic rod flexible control, when meetting the ground of slope, but automatically regulated makes whole adjustable double-disc ditching device adaptation slope ground for the seeding degree of depth is more unified, does benefit to seed growth, and the land wheel detection component of setting detects the slope on ground in the whole device working process in real time, high-efficient, excellent in use effect moreover.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection structure of the adjustable double-disc ditching device and the frame of the invention;
FIG. 3 is a schematic diagram of the structure of the adjustable double-disk ditching device of the invention;
FIG. 4 is a schematic view of a dual disk furrow opener of the present invention;
FIG. 5 is a schematic diagram of a ground wheel detecting assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the pulling piece, upper contact and lower contact of the present invention;
fig. 7 is a schematic diagram of the hydraulic lever control of the present invention.
In the figure: 1. a frame; 2. a rotary cultivator; 3. an adjustable double-disc ditching device; 31. double-disc furrow opener mounting frame; 32. double-disc furrow opener; 33. a support column; 34. rotating the sleeve; 35. a mounting frame connecting plate; 36. a hydraulic rod mounting seat; 37. a hydraulic rod; 38. a mounting rack connecting rod; 4. a press roller; 5. a fertilization box; 6. a sowing box; 7. a land wheel detection assembly; 71. a frame connecting rod; 72. a contact mounting frame; 73. an upper contact; 74. a lower contact; 75. a ground wheel frame; 76. a shaft lever; 77. a pulling piece; 78. and (5) a land wheel.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention provides a combined operation seeder with precise control of active and passive profiling seeding depth as shown in fig. 1, which comprises a frame 1, wherein a rotary cultivator 2, an adjustable double-disc ditching device 3 and a pressing roller 4 are sequentially arranged below the frame 1 from front to back, a fertilization box 5 and a seeding box 6 are sequentially arranged above the frame 1 from front to back, the frame 1 is arranged behind a traction machine such as a tractor and is driven to work by the traction machine, fertilizer in the fertilization box 5 falls into a field, then rotary cultivation is carried out on soil by the rotary cultivator 2, then the adjustable double-disc ditching device 3 ditches the soil after rotary cultivation, seeds in the seeding box 6 fall into the ditches, finally, earthing pressing is carried out by the pressing roller 4, the fertilization box 5 and the rotating shaft of the seeding box 6 are connected by chains, and power of the fertilization box 5 and the seeding box 6 comes from friction between the pressing roller 4 and the ground;
as shown in fig. 2, 3 and 4, the adjustable double-disc ditching device 3 comprises a double-disc ditcher mounting frame 31, a double-disc ditcher 32, a support column 33, a rotary sleeve 34, a mounting frame connecting plate 35, a hydraulic rod mounting seat 36, a hydraulic rod 37 and a mounting frame connecting rod 38, wherein two blanking openings are formed in an upper arc plate on the double-disc ditcher 32, one blanking opening is connected with a sowing box (6) through a hose, seeds of the sowing box 6 fall into soil in the double-disc ditcher 32 through the hose, two rows of double-disc ditchers 32 are alternately mounted on the double-disc ditcher mounting frame 31, the mounting frame connecting plate 35 is provided with two lower ends which are respectively connected with two middle sides of the double-disc ditcher mounting frame 31, the rotary sleeve 34 penetrates through and is fixedly connected with the upper ends of the two mounting frame connecting plates 35, the support column 33 penetrates through and is rotatably connected with the rotary sleeve 34, two ends of the support column mounting frame 33 are fixedly mounted on the frame 1, the hydraulic rod mounting frame 36 is fixedly mounted on the support column 33, the hydraulic rod mounting frame 36 is rotatably connected with one end of the hydraulic rod 37, the other end of the hydraulic rod 37 is rotatably connected with one end of the mounting frame connecting rod 38, the other end of the connecting rod 38 is fixedly connected with the other end of the double-disc ditcher 31, when the whole hydraulic rod 37 is pulled by the double-disc ditcher 31, and the whole hydraulic rod 37 is pulled by the whole hydraulic rod 37 to extend to the whole double-disc ditcher 31, and when the whole connecting rod 37 is pulled to the whole rod 31 to tilt to the right, and the whole connecting rod 37 is pulled to the right, when the whole rod 37 is pulled to be pulled to the right, and the whole rod 37, and the side and 37 is pulled to be the right;
two discs of the double-disc furrow opener 32 are fixed on two sides of a disc fixing rod at an angle, springs are sleeved on the disc fixing rod, the springs are arranged to enable the double-disc furrow opener 32 to move up and down in the working process, passive profiling is achieved, and the structure of the double-disc furrow opener 32 is of the prior art and is not described in detail herein.
As shown in fig. 5 and 6, the two sides of the adjustable double-disc ditching device 3 and the frame 1 are provided with land wheel detection assemblies 7, and the land wheel detection assemblies 7 drive the adjustable double-disc ditching device 3 according to the ground height control hydraulic rods 37, so that the adjustable double-disc ditching device 3 is parallel to the ground, and active profiling is realized; the ground wheel detection assembly 7 comprises a frame connecting rod 71 and a ground wheel frame 75, the frame connecting rod 71 is rotationally connected with the ground wheel frame 75 through a shaft rod 76, the ground wheel frame 75 is formed by welding two reversely arranged U-shaped frames, one U-shaped frame is rotationally connected with a ground wheel 78, the other U-shaped frame is rotationally connected with the shaft rod 76, the shaft rod 76 is fixedly arranged at one end of the frame connecting rod 71, a contact mounting frame 72 is arranged at one end, close to the shaft rod 76, of the frame connecting rod 71, an upper contact 73 and a lower contact 74 are respectively arranged at two ends of the inner side of the contact mounting frame 72, the inner side of the ground wheel frame 75 is fixedly connected with a poking piece 77, the poking piece 77 and the ground wheel 78 are rotatable relative to the shaft rod 76, and the poking piece 77 is positioned between the upper contact 73 and the lower contact 74.
As shown in fig. 7, the paddles 77 on two sides are electrically connected, the upper contact 73 and the lower contact 74 on two sides are respectively electrically connected with the positive electrode and the negative electrode of a power supply to form two power lines, an electromagnetic reversing valve is connected between the hydraulic rod 37 and a power source, the power source is from a hydraulic system of a tractor, two electric interfaces of the electromagnetic reversing valve are respectively connected to the power lines on two sides, the electromagnetic reversing valve is a middle-position M-type 3-position 4-way electromagnetic reversing valve, a Y1 electric interface of the electromagnetic reversing valve is connected to a left power line, a Y2 electric interface is connected to a right power line, the positive electrodes of the two power lines are 24V in voltage, P is an input port and a power source oil pipe, T is an output port and an oil tank are connected, and A, B is an output port and two oil ports of the hydraulic rod 37 are connected; for convenience of description, upper contacts 73 on the left and right sides are denoted by a and c, and lower contacts 74 on the left and right sides are denoted by b and d; when the left side shifting sheet 77 touches a and the right side shifting sheet touches d, the situation shows that the left ground clearance of the frame 1 is small, the right ground clearance is large, the right electromagnetic coil Y2 on the electromagnetic reversing valve corresponds to an electrified state, the valve core of the electromagnetic reversing valve moves rightwards to enable the electromagnetic reversing valve to be in a right working state, the hydraulic rod 37 extends outwards when the electromagnetic reversing valve is in the right position, the hydraulic rod 37 extends outwards to enable the double-disc furrow opener mounting frame 31 to rotate rightwards, the left side shifting sheet 77 and a are disconnected or the right side shifting sheet and d are disconnected after the double-disc furrow opener mounting frame rotates rightwards by a certain angle, when the double-disc furrow opener mounting frame is disconnected, the Y2 is disconnected, the valve core in the electromagnetic reversing valve is acted to the middle position by a spring, and the double-disc furrow opener mounting frame 31 keeps the existing position until the next left-right height difference reaches a certain degree to enable ad to be connected or bc to be connected; similarly, when the left side pulling piece 77 touches b and the right side pulling piece touches c, the distance from the right side of the frame 1 to the ground is small, the distance from the left side is large, the electromagnetic coil Y1 on the electromagnetic directional valve corresponds to the energized state, the electromagnetic directional valve is in the left position state, the hydraulic rod 37 is contracted, the furrow opener mounting frame 31 rotates leftwards until the left side pulling piece 77 and b are disconnected or the right side pulling piece and c are disconnected.
Specifically, the upper contact 73 and the lower contact 74 are connected with the contact mounting frame 72 through screws, the screws are rotated to change the positions of the screws on the contact mounting frame 72, so that the distance between the upper contact 73 and the lower contact 74 is adjusted, and the minimum height difference of the two ground wheels 75 on the two sides of the start can be changed and actively adjusted.
Specifically, the contact mounting frame 72 is in insulating connection with the upper contact 73 and the lower contact 74, so that the influence of the contact mounting frame 72 on the upper contact 73 and the lower contact 74 is avoided, and the contact mounting frame 72 can be made of insulating plastic.
This active and passive profile modeling is sowed dark accurate control combined operation seeder is in the in-process of using, rotary cultivator 2 carries out the rotary tillage to soil, adjustable double-disc ditching device 3 is with the soil ditching behind the rotary tillage afterwards, land wheel detection subassembly 7 contact ground walking, when the ground slope of process, one side land wheel 78 is because gravity effect is down, the opposite side land 78 round is upwards owing to the support of ground, make the plectrum 77 of both sides upwards contact upper contact 73 respectively and contact lower contact 74 downwards, make the electromagnetic change valve of control hydraulic stem 37 oil circuit break-make switch, the power supply drives hydraulic stem 37 flexible, make double-disc furrow opener mounting bracket 31 incline to the decurrent one side of land wheel 78, make the ground of adjustable double-disc ditching device 3 adaptation slope, keep the seeding degree of depth unification, press through the press roller 4 after the seeding is accomplished.
Specifically, adjusting screws are fixedly arranged on two side surfaces of the contact mounting frame 72, an adjusting long groove is formed in a frame connecting rod 71 corresponding to the adjusting screws, and the adjusting screws penetrate through the adjusting long groove and are in threaded connection with locking screws;
according to different sowing crops, the sowing depth requirements are different, and when the sowing machine works, one sowing depth can be set, for example, 2 centimeters, at the moment, the position of the contact mounting frame 72 can be adjusted to enable the poking plate 77 to be positioned between the upper contact 73 and the lower contact 74, and when the sowing depth needs 3 centimeters, the position of the contact mounting frame 72 needs to be readjusted to achieve the purpose that the poking plate 77 is positioned between the upper contact 73 and the lower contact 74; the control precision can be realized by adjusting the distance between the upper contact 73 and the lower contact 74, the position of the land wheel 78 is determined by the height of the ground, the land wheel 78 drives the land wheel frame 75 and the poking plate 77 to rotate, so that the poking plate 77 moves between the upper contact 73 and the lower contact 74, when the ground is in a horizontal state, the poking plate 77 at two sides is not contacted with the upper contact 73 and the lower contact 74, and only when the height difference of the ground at two sides reaches a certain degree, the height difference of the land wheel 78 at two sides reaches a certain degree, and an active adjusting mechanism is started; the device is mainly aimed at the situation when the ground on two sides of the advancing direction is inclined, which is also a main factor of poor consistency of the current sowing depth, and the advancing direction is regulated by the hitching device of the tractor and the seeder.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. The utility model provides an active passive profile modeling is broadcast dark accurate control combined operation seeder, includes frame (1), its characterized in that: a rotary cultivator (2), an adjustable double-disc ditching device (3) and a pressing roller (4) are sequentially arranged below the frame (1) from front to back, and a fertilization box (5) and a seeding box (6) are sequentially arranged above the frame (1) from front to back;
the middle part of the adjustable double-disc ditching device (3) is rotationally connected with the frame (1), the frame (1) is in driving connection with the adjustable double-disc ditching device (3) through a hydraulic rod (37), and the hydraulic rod (37) stretches and contracts to drive the adjustable double-disc ditching device (3) to rotate so as to actively profile the ground to be suitable for inclination;
the adjustable double-disc ditching device (3) is characterized in that land wheel detection assemblies (7) are arranged on two sides of the adjustable double-disc ditching device (3) and positioned on the frame (1), the land wheel detection assemblies (7) are in control connection with a hydraulic rod (37), and the land wheel detection assemblies (7) adjust the rotation of the adjustable double-disc ditching device (3) according to the ground height control hydraulic rod (37) so that the adjustable double-disc ditching device (3) is parallel to the ground;
the land wheel detection assembly (7) comprises a frame connecting rod (71) and a land wheel frame (75), the frame connecting rod (71) is rotationally connected with the land wheel frame (75) through a shaft rod (76), a land wheel (78) is installed at the lower end of the land wheel frame (75), a contact installation frame (72) is arranged at one end, close to the shaft rod (76), of the frame connecting rod (71), an upper contact (73) and a lower contact (74) are respectively arranged at the upper end and the lower end of the inside of the contact installation frame (72), the inner side of the land wheel frame (75) is fixedly connected with a poking piece (77), and the poking piece (77) is located between the upper contact (73) and the lower contact (74);
the plectrum (77) electric connection of both sides, the positive pole and the negative pole of a power of upper contact (73) and lower contact (74) electric connection respectively of both sides form two power lines, connect the electromagnetic reversing valve between hydraulic rod (37) and the power supply, and two electric interfaces of electromagnetic reversing valve are connected respectively on the power line of both sides.
2. The active and passive profiling depth precise control combined operation seeder as claimed in claim 1, wherein: the utility model provides an adjustable double-disc ditching device (3) includes double-disc ditching device mounting bracket (31), double-disc ditching device (32), support column (33), rotating sleeve (34), mounting bracket connecting plate (35), hydraulic rod mount pad (36), hydraulic rod (37), mounting bracket connecting rod (38), install two rows of double-disc ditching device (32) on double-disc ditching device mounting bracket (31) in turn, mounting bracket connecting plate (35) set up two and the lower extreme is connected the middle part both sides of double-disc ditching device mounting bracket (31) respectively, rotating sleeve (34) pass and the upper end of two mounting bracket connecting plates (35) of fixed connection, support column (33) pass and rotate rotatory sleeve (34), the both ends fixed mounting of support column (33) is on frame (1), hydraulic rod mount pad (36) fixed mounting is on support column (33), hydraulic rod mount pad (36) rotate the one end of connecting rod (37), the other end of connecting rod (38) rotates the one end of connecting rod (38), the other end fixed connection of connecting rod (38) is on double-disc ditching device mounting bracket (31).
3. The active and passive profiling depth precise control combined operation seeder as claimed in claim 2, wherein: two feed openings are formed in an upper arc-shaped plate on the double-disc furrow opener (32), and one feed opening is connected with the seeding box (6) through a hose.
4. The active and passive profiling depth precise control combined operation seeder as claimed in claim 2, wherein: the upper contact (73) and the lower contact (74) are connected with the contact mounting frame (72) through screws.
5. The active and passive profiling depth precise control combined operation seeder as claimed in claim 2, wherein: the contact mounting frame (72) is connected with the upper contact (73) and the lower contact (74) in an insulating manner.
6. The active and passive profiling depth precise control combined operation seeder as claimed in claim 1, wherein: the land wheel frame (75) is formed by welding two reversely arranged U-shaped frames, one U-shaped frame is rotationally connected with the land wheel (78), the other U-shaped frame is rotationally connected with the shaft lever (76), and the shaft lever (76) is fixedly arranged at one end of the frame connecting rod (71).
7. The active and passive profiling depth precise control combined operation seeder as claimed in claim 1, wherein: and adjusting screws are fixedly arranged on two side surfaces of the contact mounting frame (72), adjusting long grooves are formed in frame connecting rods (71) corresponding to the adjusting screws, and the adjusting screws penetrate through the adjusting long grooves and are in threaded connection with locking screws.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211059343.6A CN115250662B (en) | 2022-08-31 | 2022-08-31 | Active and passive profiling depth precise control combined operation seeder |
Applications Claiming Priority (1)
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CN104025775A (en) * | 2014-05-27 | 2014-09-10 | 南京农业大学 | Seeder with middle ditching, unit profile modeling and seeding depth adjusting functions |
CN104081917A (en) * | 2014-07-17 | 2014-10-08 | 中国农业大学 | Collocated-copying no-tillage and precision corn sowing machine |
KR20160035181A (en) * | 2014-09-22 | 2016-03-31 | 동양물산기업 주식회사 | Attachment assembly for tractor including peanut seeder |
CN205430974U (en) * | 2016-03-25 | 2016-08-10 | 青岛农业大学 | High density cotton planter convenient to profile modeling |
CN110393049A (en) * | 2019-08-21 | 2019-11-01 | 南京农业大学 | It is a kind of can rotary tillage broken bar suppression derotation ditching-fertilizing seeder and its working method |
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EP1662855A1 (en) * | 2003-09-19 | 2006-06-07 | Australian Weed Management Pty Ltd | An apparatus and method for furrow opening using a disc |
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CN104025775A (en) * | 2014-05-27 | 2014-09-10 | 南京农业大学 | Seeder with middle ditching, unit profile modeling and seeding depth adjusting functions |
CN104081917A (en) * | 2014-07-17 | 2014-10-08 | 中国农业大学 | Collocated-copying no-tillage and precision corn sowing machine |
KR20160035181A (en) * | 2014-09-22 | 2016-03-31 | 동양물산기업 주식회사 | Attachment assembly for tractor including peanut seeder |
CN205430974U (en) * | 2016-03-25 | 2016-08-10 | 青岛农业大学 | High density cotton planter convenient to profile modeling |
CN110393049A (en) * | 2019-08-21 | 2019-11-01 | 南京农业大学 | It is a kind of can rotary tillage broken bar suppression derotation ditching-fertilizing seeder and its working method |
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