CN114793504B - Wheat double-compacting full-width precision seeder - Google Patents
Wheat double-compacting full-width precision seeder Download PDFInfo
- Publication number
- CN114793504B CN114793504B CN202210372530.3A CN202210372530A CN114793504B CN 114793504 B CN114793504 B CN 114793504B CN 202210372530 A CN202210372530 A CN 202210372530A CN 114793504 B CN114793504 B CN 114793504B
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- Prior art keywords
- rod
- swing rod
- soil
- lifting rod
- long hole
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- 241000209140 Triticum Species 0.000 title claims abstract description 16
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 69
- 238000009331 sowing Methods 0.000 claims abstract description 23
- 238000003971 tillage Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 21
- 240000007643 Phytolacca americana Species 0.000 claims 1
- 235000009074 Phytolacca americana Nutrition 0.000 claims 1
- 238000010899 nucleation Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 241000721671 Ludwigia Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000000034 method Methods 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
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
- A01C19/04—Arrangements for driving working parts of fertilisers or seeders by a ground-engaging wheel
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sowing (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a wheat double-compacting full-width precision planter which comprises a frame, a rotary tillage mechanism and a sowing unit, wherein a front compacting roller is arranged between the rotary tillage mechanism and the sowing unit, a rear compacting roller is arranged behind the sowing unit, a transverse leveling mechanism is arranged at the front end of the frame and comprises a transverse leveling beam and a plurality of travelling wheel lifting rods vertically sliding on the front end of the leveling beam, travelling wheels are arranged at the lower ends of the travelling wheel lifting rods, and a height difference soil poking mechanism is arranged between adjacent travelling wheels.
Description
Technical Field
The invention relates to the field of seeders, in particular to the field of wheat seeders, and specifically relates to a double-pressing full-width precision wheat seeder.
Background
The wheat seeder is a mechanical device for planting wheat seeds in the soil through a seeding mechanical system, has the characteristics of high efficiency, good seeding effect and the like, and is generally provided with a front compacting roller behind a rotary cultivator for realizing better seeding effect, and soil compacting is carried out before ditching, pre-compacting is carried out on the soil, and secondary compacting is carried out after seeding and earthing. However, the current sowing and fertilizing machine has high requirements on the quality of the land, if the land is uneven, the land is uneven in the width direction, even after rotary tillage, the height of the land in the width direction is inconsistent after rotary tillage, the whole lifting of the pressing roller of the sowing machine can be caused, thus partial low soil cannot be pressed, the sowing depth of seeds is insufficient, shallow sowing seeds are not easy to germinate, even if the seeds grow poorly after germination, and the yield is obviously reduced by normal deep sowing.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a wheat double-compacting full-width precision seeder, which comprises a frame, a rotary tillage mechanism and a seeding unit, wherein a front compacting roller is arranged between the rotary tillage mechanism and the seeding unit, a rear compacting roller is arranged behind the seeding unit, a transverse leveling mechanism is arranged at the front end of the frame, the transverse leveling mechanism comprises a transverse leveling beam and a plurality of travelling wheel lifting rods vertically sliding on the front end of the leveling beam, travelling wheels are arranged at the lower ends of the travelling wheel lifting rods, a height difference soil stirring mechanism is arranged between adjacent travelling wheels, the height difference soil stirring mechanism comprises a swinging block hinged on the rear end surface of the leveling beam, a swinging rotating rod connected on the swinging block in a shaft way, a left lifting rod and a right lifting rod which are vertically sliding on the rear end of the leveling beam, a hinge shaft of the swinging block extends forwards and backwards, the axis of the swinging rotating rod extends leftwards and rightwards, the left lifting rod is positioned below the left end of the swinging rotating rod, the lower end of the left lifting rod is fixedly connected with a left soil stirring plate, the lower end of the right lifting rod is fixedly connected with a right soil stirring plate, the left soil stirring plate is inserted into soil stirring plate downwards, and soil stirring plate is pulled downwards and then is pulled downwards; the rear side rigid coupling of swing bull stick has left depression bar and right depression bar down, the differential altitude soil shifting mechanism is still including all articulating left pendulum rod and the right pendulum rod in the flattening roof beam upper end, the front end of left pendulum rod is connected with the walking wheel lifter in left side, and the rear end of left pendulum rod is connected with the rear end of left depression bar down, the front end of right pendulum rod is connected with the walking wheel lifter in right side, and the rear end of right pendulum rod is connected with the rear end of right depression bar down.
As a preferable technical scheme of the invention, the front end of the left swing rod is provided with a left front long hole extending forwards and backwards, the right side of a left travelling wheel lifting rod is fixedly connected with a left swing rod front inserting shaft inserted into the left front long hole, the rear end of the left swing rod is provided with a left rear long hole extending forwards and backwards, and a left swing rod rear inserting shaft inserted into the left rear long hole is fixedly connected with a left lower pressure rod; the front end of the right swing rod is provided with a right front long hole extending forwards and backwards, the left side of the travelling wheel lifting rod on the right side is fixedly connected with a right swing rod front inserting shaft inserted into the right front long hole, the rear end of the right swing rod is provided with a right rear long hole extending forwards and backwards, and the right lower pressure rod is fixedly connected with a right swing rod rear inserting shaft inserted into the right rear long hole.
As a preferable technical scheme of the invention, the width of the left rear long hole is larger than the diameter of the left swing rod rear inserting shaft, and the width of the right rear long hole is larger than the diameter of the right swing rod rear inserting shaft.
As a preferable technical scheme of the invention, the left lifting rod is provided with a left lifting rod spring for pushing the left lifting rod upwards, and the right lifting rod is provided with a right lifting rod spring for pushing the right lifting rod upwards.
As a preferable technical scheme of the invention, the left soil shifting plate is inclined towards the right rear, the right soil shifting plate is inclined towards the left rear, and the total width covered by the left soil shifting plate and the right soil shifting plate is 0.7-0.9 times of the distance between adjacent travelling wheels.
As a preferable technical scheme of the invention, the force arm at the front end of the left swing rod is smaller than the force arm at the rear end, the force arm at the front end of the right swing rod is smaller than the force arm at the rear end, and the distance from the rear end of the left swing rod to the rear end of the right swing rod is smaller than the length of the swing rotating rod.
As a preferable technical scheme of the invention, two traveling wheel lifting rod guide sleeves fixedly connected to the front end of the leveling beam are sleeved on the traveling wheel lifting rod, traveling wheel springs sleeved on the traveling wheel lifting rod are arranged between the two traveling wheel lifting rod guide sleeves, and a spring lower stop block supported at the lower end of the traveling wheel spring is fixedly connected on the traveling wheel lifting rod.
As a preferable technical scheme of the invention, the two ends of the swinging rotating rod are fixedly connected with the ball heads.
As a preferable technical scheme of the invention, the rear ends of the left swing rod and the right swing rod are inclined downwards.
The beneficial effects of the invention are as follows: according to the invention, the soil is rotary-tilled through the rotary tillage mechanism, the front compacting roller is used for carrying out front compacting, the rear compacting roller is used for carrying out rear compacting, the transverse leveling mechanism can level the width direction of a sowing area, the travelling wheels walk on the ground during leveling, when the travelling wheels synchronously lift, the left soil shifting plate and the right soil shifting plate are separated from the ground, when the adjacent travelling wheels have a height difference, the travelling wheels at higher positions are lifted, so that the left soil shifting plate or the right soil shifting plate in the height difference soil shifting mechanism is moved downwards to be inserted into the soil, the soil is shifted to the lower side, the leveling of the soil is realized through the subsequent rotary tillage, and the soil after rotary tillage is approximately leveled left and right.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the lateral leveling mechanism of the present invention;
FIG. 4 is a top plan view of the lateral leveling mechanism of the present invention;
FIG. 5 is a cross-sectional view taken along the line A-A in FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 2;
FIG. 7 is an enlarged view of FIG. 4 at C in accordance with the present invention;
FIG. 8 is an enlarged view of the invention at D in FIG. 5;
In the figure: 1. the device comprises a transverse leveling mechanism, 2, a frame, 3, a landing gear, 4, a rotary tillage mechanism, 5, a front pressing roller, 6, a furrow opener, 7, a seed discharging port, 8, a soil covering wheel, 9, a rear pressing roller, 10, a seed box, 11, a leveling beam, 12, travelling wheels, 13, travelling wheel lifting rods, 14, travelling wheel lifting rod guide sleeves, 15, travelling wheel springs, 16, a spring lower stop block, 17, a swinging block, 18, a swinging rotating rod, 19, a left lifting rod, 20, a left soil stirring plate, 21, a right lifting rod, 22, a right soil stirring plate, 23, a left swinging rod, 24, a left swinging rod front inserting shaft, 25, a left swinging rod rear inserting shaft, 26, a left lower pressing rod, 27, a right swinging rod, 28, a right swinging rod front inserting shaft, 29, a right swinging rod rear inserting shaft, 30, a right lower pressing rod, 31, a connecting beam, 32 and a ball head.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in figures 1-8, the wheat double-compacting full-width precision planter comprises a frame 2, a rotary tillage mechanism 4 and a sowing unit, wherein a front compacting roller 5 is arranged between the rotary tillage mechanism 4 and the sowing unit, a rear compacting roller 9 is arranged behind the sowing unit, the sowing unit comprises a furrow opener 6, a seed discharging port 7, a soil covering wheel 8 and the like, and a seed box 10 is further arranged on the frame 2.
The front end of the frame 2 is provided with a transverse leveling mechanism 1, the transverse leveling mechanism 1 is positioned at the forefront of the whole seeder, the landing gear 3 on the frame 2 is connected to the front end of the transverse leveling mechanism 1, and the landing gear 3 is used for connecting the seeder to the rear end of the tractor.
The horizontal leveling mechanism 1 comprises a horizontal leveling beam 11 and a plurality of traveling wheel lifting rods 13 vertically sliding on the front end of the leveling beam 11, the horizontal length of the leveling beam 11 is equal to the width of the frame 2, and two ends of the leveling beam 11 are welded in front of the frame 2 through connecting beams 31 and keep a certain gap with the frame 2.
The walking wheel lifter 13 is provided with 6 and horizontal equipartition, in order to realize the vertical slip of walking wheel lifter 13, as shown in fig. 3, the cover has two rigid coupling to be in walking wheel lifter uide bushing 14 of flattening roof beam 11 front end on the walking wheel lifter 13, and walking wheel lifter 13 is the square pole, realizes vertical slip through the direction of two walking wheel lifter uide bushing 14.
A travelling wheel spring 15 sleeved on the travelling wheel lifting rod 13 is arranged between the two travelling wheel lifting rod guide sleeves 14, and a spring lower stop block 16 supported at the lower end of the travelling wheel spring 15 is fixedly connected on the travelling wheel lifting rod 13, so that the travelling wheel lifting rod 13 is pushed downwards by the thrust of the travelling wheel spring 15.
The lower end of the travelling wheel lifting rod 13 is provided with a travelling wheel 12, and the travelling wheel 12 walks on the ground along with the seeder and drives the travelling wheel lifting rod 13 to slide up and down along with the fluctuation of the ground.
As shown in fig. 4, a height difference soil shifting mechanism is installed between adjacent traveling wheels 12, and since the traveling wheels 12 are provided with 6 in this embodiment, the height difference soil shifting mechanism is provided with 5.
The height difference soil shifting mechanism comprises a swinging block 17 hinged to the rear end face of the leveling beam 11, a swinging rotary rod 18 axially connected to the swinging block 17, and a left lifting rod 19 and a right lifting rod 21 vertically and slidingly connected to the rear end of the leveling beam 11, wherein the swinging block 17 is arranged in the middle of the adjacent travelling wheels 12, and the hinge shaft of the swinging block 17 extends forwards and backwards, so that the swinging block 17 can swing left and right around the center.
The middle part of the swinging rotary rod 18 is connected with the swinging block 17 in a shaft way, and the axis of the swinging rotary rod 18 extends leftwards and rightwards so as to rotate and can swing leftwards and rightwards along with the swinging block 17.
The left lifting rod 19 is located below the left end of the swing rotating rod 18, the right lifting rod 21 is located below the right end of the swing rotating rod 18, the two ends of the swing rotating rod 18 are fixedly connected with ball heads, the left lifting rod 19 is pressed down through the ball heads when the left end of the swing rotating rod 18 swings downwards, and the right lifting rod 21 is pressed down through the ball heads when the right end of the swing rotating rod 18 swings downwards.
As shown in fig. 3, the left lifting rod 19 is provided with a left lifting rod spring for pushing the left lifting rod 19 upwards, the right lifting rod 21 is provided with a right lifting rod spring for pushing the right lifting rod 21 upwards, the left lifting rod 19 and the right lifting rod 21 are square rods, vertical sliding is realized through a guide sleeve with a directional hole, the left lifting rod spring pushes the left lifting rod 19 upwards on a lug of the left lifting rod 19, and the right lifting rod spring pushes the right lifting rod 21 upwards on a lug of the right lifting rod 21.
The lower end of the left lifting rod 19 is fixedly connected with a left soil stirring plate 20, the lower end of the right lifting rod 21 is fixedly connected with a right soil stirring plate 22, the left soil stirring plate 20 is inclined to the right rear, and the right soil stirring plate 22 is inclined to the left rear, so that the left soil stirring plate 20 slides downwards to be inserted into soil and then stirs the soil to the right, and the right soil stirring plate 22 slides downwards to be inserted into soil and then stirs the soil to the left; as shown in fig. 8, the left and right soil shifting plates 20 and 22 are located rearward between the two road wheels 12.
The total width covered by the left soil shifting plate 20 and the right soil shifting plate 22 is 0.7-0.9 times of the spacing between the adjacent travelling wheels 12, so that after the left soil shifting plate 20 or the right soil shifting plate 22 is inserted into the soil, the soil between the adjacent travelling wheels 12 in the range of 0.35-0.45 is shifted to the other side.
The rear side of the swing rod 18 is fixedly connected with a left lower pressure bar 26 and a right lower pressure bar 30, the left lower pressure bar 26 and the right lower pressure bar 30 are bilaterally symmetrical relative to the middle position of the swing rod 18, the left lower pressure bar 26 and the right lower pressure bar 30 extend backwards and are parallel to each other, and the distance from the rear end of the left swing rod 23 to the rear end of the right swing rod 27 is smaller than the length of the swing rod 18, so that the swing distance between the two end bulbs of the swing rod 18 is increased.
The height difference soil shifting mechanism further comprises a left swing rod 23 and a right swing rod 27 which are both hinged to the upper end of the leveling beam 11, wherein the left swing rod 23 and the right swing rod 27 extend front and back, the hinge shafts are both transversely arranged, so that the left swing rod 23 and the right swing rod 27 can swing front and back, and the rear ends of the left swing rod 23 and the right swing rod 27 are both inclined downwards.
The front end of the left swing rod 23 is connected with the left travelling wheel lifting rod 13, the rear end of the left swing rod 23 is connected with the rear end of the left downward pressure rod 26, the front end of the right swing rod 27 is connected with the right travelling wheel lifting rod 13, and the rear end of the right swing rod 27 is connected with the rear end of the right downward pressure rod 30.
The front end of the left swing rod 23 is provided with a left front long hole extending forwards and backwards, the upper end of the right side of the left travelling wheel lifting rod 13 is fixedly connected with a left swing rod front inserting shaft 24 inserted into the left front long hole, the left swing rod front inserting shaft 24 extends leftwards and rightwards, the rear end of the left swing rod 23 is provided with a left rear long hole extending forwards and backwards, the left pressing rod 26 is fixedly connected with a left swing rod rear inserting shaft 25 inserted into the left rear long hole, and the left swing rod rear inserting shaft 25 extends leftwards and rightwards and is fixedly connected to the left side of the rear end of the left pressing rod 26. The width of the left rear long hole is larger than the diameter of the left swing rod rear inserting shaft 25.
The front end of the right swing rod 27 is provided with a right front long hole extending back and forth, the upper end of the left side of the right walking wheel lifting rod 13 is fixedly connected with a right swing rod front inserting shaft 28 inserted into the right front long hole, the rear end of the right swing rod 27 is provided with a right rear long hole extending back and forth, the right pressing rod 30 is fixedly connected with a right swing rod rear inserting shaft 29 inserted into the right rear long hole, and the right swing rod rear inserting shaft 29 extends left and right and is fixedly connected to the right side of the rear end of the right pressing rod 30. The width of the right rear long hole is larger than the diameter of the right swing rod rear inserting shaft 29, so that the right swing rod rear inserting shaft 29 and the right rear long hole cannot deflect and interfere when the swing rotating rod 18 swings left and right.
The front end force arm of the left swing rod 23 is smaller than the rear end force arm, the front end force arm of the left swing rod 23 refers to the front-rear distance from the hinge shaft of the left swing rod 23 to the front inserting shaft 24 of the left swing rod, and the rear end force arm of the left swing rod 23 refers to the front-rear distance from the hinge shaft of the left swing rod 23 to the rear inserting shaft 25 of the left swing rod. Thereby increasing the swing distance of the swing lever 18.
The front end force arm of the right swing rod 27 is smaller than the rear end force arm, the front end force arm of the right swing rod 27 refers to the front-rear distance from the hinge shaft of the right swing rod 27 to the front inserting shaft 28 of the right swing rod, and the rear end force arm of the right swing rod 27 refers to the front-rear distance from the hinge shaft of the right swing rod 27 to the rear inserting shaft 29 of the right swing rod. Thereby increasing the swing distance of the swing lever 18.
The application method of the invention comprises the following steps:
Since the front-rear undulation of the sowing area is generally smooth and the sowing machine can undulate according to the front-rear undulation, the lateral leveling mechanism 1 in the present invention can level the width direction of the sowing area.
The walking wheel 12 walks on ground during the flattening to according to the fluctuation of land, evenly level in the width direction makes, 6 walking wheels 12 synchronous lift, and left pendulum rod 23 and right pendulum rod 27 synchronous swing this moment, because left pendulum rod 23 and right pendulum rod 27 synchronous swing, can drive left depression bar 26 and right depression bar 30 synchronous swing, and swing bull stick 18 can take place the rotation this moment, and can not left and right swing, consequently both ends of swing bull stick 18 can not push down left lifter 19 and right lifter 21, and left dial soil board 20 and right dial soil board 22 and all leave the ground this moment.
When the adjacent travelling wheels 12 have a height difference, the travelling wheels 12 at a higher position are lifted, for example, the travelling wheels 12 at the left side are lifted, the right end of the left swing rod 23 swings downwards, the rear end of the left swing rod 23 is higher than the right swing rod 27, so that the left end of the swing rotating rod 18 swings downwards, the left soil shifting plate 20 is pressed down, the soil behind the travelling wheels 12 is shifted to the right, and the height difference is relieved.
The leveled land is subjected to rotary tillage through the rotary tillage mechanism 4, the front pressing roller 5 is used for pressing before sowing, ditching, seed discharging and earthing are realized through the ditcher 6, the seed discharging opening 7 and the earthing wheel 8 of the sowing unit, and the rear pressing roller 9 is used for pressing after sowing.
Finally, it should be noted that: in the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A wheat double-compacting full-width precision planter is characterized in that: the soil sowing machine comprises a frame (2), a rotary tillage mechanism (4) and a sowing unit, a front pressing roller (5) is arranged between the rotary tillage mechanism (4) and the sowing unit, a rear pressing roller (9) is arranged behind the sowing unit, a transverse leveling mechanism (1) is arranged at the front end of the frame (2), the transverse leveling mechanism (1) comprises a transverse leveling beam (11) and a plurality of traveling wheel lifting rods (13) vertically connected with the front end of the leveling beam (11) in a sliding way, traveling wheels (12) are arranged at the lower ends of the traveling wheel lifting rods (13), a differential soil stirring mechanism is arranged between adjacent traveling wheels (12), the differential soil stirring mechanism comprises a swinging block (17) hinged to the rear end surface of the leveling beam (11), a swinging rotating rod (18) hinged to the swinging block (17) and a left lifting rod (19) and a right lifting rod (21) which are vertically connected with the rear end of the leveling beam (11) in a sliding way, the axis of the swinging rotating rod (18) extends left and right, the left lifting rod (19) is positioned at the lower end of the swinging rod (18) and the lower end of the swinging rod (21) and the lower end of the soil stirring rod (20) is fixedly connected with the soil stirring plate (20) at the lower end of the swinging rod (20), the right soil poking plate (22) pokes the soil leftwards after being inserted into the soil in a sliding manner; the rear side of the swing rotating rod (18) is fixedly connected with a left lower pressure rod (26) and a right lower pressure rod (30), the differential altitude soil shifting mechanism further comprises a left swing rod (23) and a right swing rod (27) which are both hinged at the upper end of the leveling beam (11), the front end of the left swing rod (23) is connected with a left travelling wheel lifting rod (13), the rear end of the left swing rod (23) is connected with the rear end of the left lower pressure rod (26), the front end of the right swing rod (27) is connected with the right travelling wheel lifting rod (13), and the rear end of the right swing rod (27) is connected with the rear end of the right lower pressure rod (30); the left lifting rod (19) is provided with a left lifting rod spring for pushing the left lifting rod (19) upwards, and the right lifting rod (21) is provided with a right lifting rod spring for pushing the right lifting rod (21) upwards;
The walking wheel lifting rod (13) is sleeved with two walking wheel lifting rod guide sleeves (14) fixedly connected to the front end of the leveling beam (11), walking wheel springs (15) sleeved on the walking wheel lifting rod (13) are arranged between the two walking wheel lifting rod guide sleeves (14), and the walking wheel lifting rod (13) is fixedly connected with a spring lower stop block (16) supported at the lower end of the walking wheel springs (15).
2. The wheat double-pressing full-width precision planter according to claim 1, characterized in that: the front end of the left swing rod (23) is provided with a left front long hole extending forwards and backwards, the right side of the left travelling wheel lifting rod (13) is fixedly connected with a left swing rod front inserting shaft (24) inserted into the left front long hole, the rear end of the left swing rod (23) is provided with a left rear long hole extending forwards and backwards, and the left lower pressure rod (26) is fixedly connected with a left swing rod rear inserting shaft (25) inserted into the left rear long hole; the front end of the right swing rod (27) is provided with a right front long hole extending forwards and backwards, the left side of the traveling wheel lifting rod (13) on the right side is fixedly connected with a right swing rod front inserting shaft (28) inserted into the right front long hole, the rear end of the right swing rod (27) is provided with a right rear long hole extending forwards and backwards, and the right pressing rod (30) is fixedly connected with a right swing rod rear inserting shaft (29) inserted into the right rear long hole.
3. The wheat double-pressing full-width precision planter according to claim 2, characterized in that: the width of the left rear long hole is larger than the diameter of the left swing rod rear inserting shaft (25), and the width of the right rear long hole is larger than the diameter of the right swing rod rear inserting shaft (29).
4. The wheat double-pressing full-width precision planter according to claim 1, characterized in that: the left soil shifting plate (20) is inclined towards the right rear, the right soil shifting plate (22) is inclined towards the left rear, and the total width covered by the left soil shifting plate (20) and the right soil shifting plate (22) is 0.7-0.9 times of the distance between adjacent travelling wheels (12).
5. The wheat double-pressing full-width precision planter according to claim 1, characterized in that: the front end force arm of the left swing rod (23) is smaller than the rear end force arm, the front end force arm of the right swing rod (27) is smaller than the rear end force arm, and the distance from the rear end of the left swing rod (23) to the rear end of the right swing rod (27) is smaller than the length of the swing rotating rod (18).
6. The wheat double-pressing full-width precision planter according to claim 1, characterized in that: both ends of the swinging rotating rod (18) are fixedly connected with ball heads.
7. The wheat double-pressing full-width precision planter according to claim 1, characterized in that: the rear ends of the left swing rod (23) and the right swing rod (27) are inclined downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372530.3A CN114793504B (en) | 2022-04-11 | 2022-04-11 | Wheat double-compacting full-width precision seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372530.3A CN114793504B (en) | 2022-04-11 | 2022-04-11 | Wheat double-compacting full-width precision seeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114793504A CN114793504A (en) | 2022-07-29 |
| CN114793504B true CN114793504B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210372530.3A Active CN114793504B (en) | 2022-04-11 | 2022-04-11 | Wheat double-compacting full-width precision seeder |
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| CN (1) | CN114793504B (en) |
Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08280201A (en) * | 1995-02-13 | 1996-10-29 | Sugano Noki Kk | Method of forming uniform soil layer in paddy field and working machine suitable for this operation |
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