CN109168472A - A kind of uniform implanted device constant based on inverse ratio variation total amount - Google Patents
A kind of uniform implanted device constant based on inverse ratio variation total amount Download PDFInfo
- Publication number
- CN109168472A CN109168472A CN201811138607.0A CN201811138607A CN109168472A CN 109168472 A CN109168472 A CN 109168472A CN 201811138607 A CN201811138607 A CN 201811138607A CN 109168472 A CN109168472 A CN 109168472A
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- Prior art keywords
- seed
- inverse ratio
- total amount
- implanted device
- feed opening
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a kind of uniform implanted devices constant based on inverse ratio variation total amount, its structure includes axle stand, shifting roller, support ground frame, pushes bridge, inverse ratio self-regulated seed stock device, seeder, axle stand is set between two shifting rollers and is slidably connected, it is set up in support the axle stand back lower place and is connected by electric welding, catch bar is set up in axle stand back upper place and is connected by electric welding.The present invention passes through the inverse ratio self-regulated seed stock device being equipped with, the height that can be accumulated in storage barrel according to the amount and seed of seed, adjust the corresponding bore of seed discharge port, using it is initial when, grain weight is more, the seed of discharge port is by biggish pressure, when flow velocity is big, flow is small and grain weight reduces, discharge port becomes larger, flow velocity is small, flow is big, the identical principle of total amount, realizes uniformly sowing, and the damage caused by seed of uniform blanking device can be reduced, guarantee the survival rate of seed.
Description
Technical field
The present invention relates to implanted device fields, more precisely, be it is a kind of based on inverse ratio variation total amount it is constant uniformly broadcast
Kind equipment.
Background technique
Agriculture mechanization therewith, now has miscellaneous seeder in the market, can be effective using planting with sowing machine
Sowing efficiency is improved, still, there are still following defects for the implanted device of the prior art；
1, the seed storage that the implanted device of the prior art will generally be sowed recycles seeds self in cylinder
Gravity fall realizes sowing, but the pushing because of seed in storage cylinder, and seed is subject to downward force with seed surplus
Change and change, cause seed speed of drilling gradually slack-off, cannot achieve more uniform sowing；
2 or by uniform blanking device solve the problems, such as sowing it is uniform, but the seed after uniform blanking device cloth by
Injury to a certain extent may cause seed and be damaged and can not germinate, seed is caused to waste, while influence to sow the uniformity.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of based on constant uniform of inverse ratio variation total amount
Implanted device recycles seed to solve seed storage that the implanted device of the prior art will generally be sowed in cylinder
The gravity fall of itself realizes sowing, but the pushing because of seed in storage cylinder, seed are subject to downward force as seed is surplus
The variation of surplus and change, cause seed speed of drilling gradually slack-off, cannot achieve more uniform sowing；Or pass through
Uniform blanking device solves the problems, such as to sow uniform, but the seed after uniform blanking device cloth is by a degree of injury,
It may cause seed and be damaged and can not germinate, seed is caused to waste, while influencing to sow the defect of the uniformity.
To achieve the goals above, the present invention is to realize by the following technical solutions:
A kind of uniform implanted device constant based on inverse ratio variation total amount, structure include axle stand, shifting roller, support ground
Frame pushes bridge, inverse ratio self-regulated seed stock device, seeder, and the axle stand is set between two shifting rollers and slides
Connection is set up in the axle stand back lower place to the support and is connected by electric welding, and the catch bar is set up in axle stand back upper place
And be connected by electric welding, the inverse ratio self-regulated seed stock device is set to right above axle stand, and the seeder is set to inverse ratio
Immediately below self-regulated seed stock device and perforation connects；
The inverse ratio self-regulated seed stock device by seed stock cylinder, feed opening, seed amount induction mechanism, feed opening into
Control mechanism, blanking mouth mechanism composition, the feed opening are set to seed stock cylinder central upper portion, the seed amount induction mechanism
Set on seed stock cylinder inner wall and flexible connection, the feed opening is set to below seed amount induction mechanism and logical into control mechanism
Gear teeth meshing flexible connection is crossed, the blanking mouth mechanism is set to seed stock cylinder lower part and connects with feed opening into control mechanism activity
It connects.
As the present invention further scheme, the seed amount induction mechanism by inductance loop, hinge, swinger spring, lead
Messenger, fixed pulley composition, the inductance loop are set to inside reserve cartridge and are flexibly connected by hinge with reserve cartridge inner wall, described time
Pendulum spring is set to hinge inner, and described traction rope one end is intertwined and connected with induction petticoat, and the traction rope other end bypasses
Fixed pulley is connected with feed opening into control mechanism.
As the present invention, further scheme, the inductance loop are equipped with 10-15 and are uniformly equidistantly set to inside reserve cartridge,
Its diameter from top to bottom gradually becomes with reserve cartridge internal diameter, realize actual induction grain weight number.
As the present invention, further scheme, each inductance loop correspondence are respectively equipped with four groups of hinges, swinger spring, lead
Messenger, fixed pulley realize four sensing directionals, improve clever density.
As further scheme of the invention, the feed opening is into control mechanism by shell, guide wheel group, actuator, tooth
Wheel, belt pulley, winding wheel, guide roller composition, the guide wheel group be set to shell upper, the actuator be set to interior of shell and
It is connect with traction rope lower end, the actuator engages flexible connection with gear, and the belt pulley is set to below gear and passes through skin
Band engagement connection, the winding wheel are set to belt pulley outside and are engaged by belt and connected, and the guide roller is set to winding wheel
Top.
As the present invention, further scheme, the actuator are integrally in rotation counterclockwise with moving gear, belt pulley, winding wheel
Turn, the bore of dynamic Control feed opening when realizing inductance loop relaxation.
As further scheme of the invention, the blanking mouth mechanism is by hollow arc panel, fanning strip, rubber block, compression
Spring, drawstring composition, the hollow arc panel are set to inside reserve cartridge lower port, and it is inboard that the fanning strip is set to hollow arc panel
It is gap-matched just and with hollow arc panel, the rubber block is set to fanning strip tip, and the compressed spring is set to hollow arc
It shape intralamellar part and is welded with fanning strip, described drawstring one end is intertwined and connected with fanning strip, and the drawstring is around guide roller and kinking
Wheel is intertwined and connected.
As the present invention, further scheme, the drawstring are intertwined and connected with winding wheel in counter clockwise direction, the kinking
When wheel is in rotation counterclockwise, drawstring is wound and is pullled, realized when there is inductance loop in relaxed state, drive winding wheel in inverse
Clockwise rotates and is wound and pulls to drawstring, corresponding to open biggish feed opening.
As the present invention, further scheme, the tip of each fanning strip are correspondingly provided with rubber block, the rubber
Block is more soft and elastic larger, and realization prevents the tip of fanning strip from damaging to seed, while flexible rubber block
It can reduce the gap between fanning strip and fanning strip, prevent relatively fine seed from leaking outside.
Invention beneficial effect
Relatively in traditional implanted device, the present invention passes through the inverse ratio self-regulated seed stock device being equipped with, can basis
The height that the amount and seed of seed are accumulated in storage barrel adjusts the corresponding bore of seed discharge port, using it is initial when, seed
Measure it is more, the seed of discharge port by biggish pressure, flow velocity is big, flow is small and grain weight reduce when, discharge port gradually becomes
Greatly, flow velocity is small, flow is big, the identical principle of total amount, realizes uniformly sowing, and can reduce uniform blanking device damage caused by seed
Wound, guarantees the survival rate of seed.
Detailed description of the invention
By reading referring to attached drawing detailed description of non-limiting embodiments, other feature of the invention, purpose
It will be become more apparent upon with advantage.
In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram for changing the constant uniform implanted device of total amount based on inverse ratio of the present invention.
Fig. 2 is a kind of structural plan figure of inverse ratio self-regulated seed stock device of the present invention.
Fig. 3 is a kind of structural schematic diagram of seed amount induction mechanism of the present invention.
Fig. 4 is a kind of structural schematic diagram of the feed opening of the present invention into control mechanism.
Fig. 5 is a kind of structural schematic diagram of blanking mouth mechanism of the present invention.
In figure: axle stand 1, support ground frame 3, pushes bridge 4, inverse ratio self-regulated seed stock device 5, seeder at shifting roller 2
6, seed stock cylinder 51, feed opening 52, seed amount induction mechanism 53, feed opening into control mechanism 54, blanking mouth mechanism 55, sense
Answer ring 531, hinge 532, swinger spring 533, traction rope 534, fixed pulley 535, shell 541, guide wheel group 542, actuator
543, gear 544, belt pulley 545, winding wheel 546, guide roller 547, hollow arc panel 551, fanning strip 552, rubber block 553,
Compressed spring 554, drawstring 555.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As Figure 1-Figure 5, the present invention provides a kind of technology of uniform implanted device constant based on inverse ratio variation total amount
Scheme:
A kind of uniform implanted device constant based on inverse ratio variation total amount, structure include axle stand 1, shifting roller 2, support
Ground frame 3 pushes bridge 4, inverse ratio self-regulated seed stock device 5, seeder 6, the axle stand 1 be set to two shifting rollers 2 it
Between and be slidably connected, support ground frame 3 is set to 1 back lower place of axle stand and is connected by electric welding, and the promotions bridge 4, which is set to, takes turns
1 back upper place of pedestal and it is connected by electric welding, the inverse ratio self-regulated seed stock device 5 is set to right above axle stand 1, described to broadcast
Kind device 6 is set to immediately below inverse ratio self-regulated seed stock device 5 and perforation connection；
The inverse ratio self-regulated seed stock device 5 by seed stock cylinder 51, feed opening 52, seed amount induction mechanism 53,
Feed opening is formed into control mechanism 54, blanking mouth mechanism 55, and the feed opening 52 is set to 51 central upper portion of seed stock cylinder, described
Seed amount induction mechanism 53 is set to 51 inner wall of seed stock cylinder and flexible connection, and the feed opening is set to kind into control mechanism 54
It is flexibly connected below subnumber amount induction mechanism 53 and by gear teeth meshing, the blanking mouth mechanism 55 is set under seed stock cylinder 51
It portion and is flexibly connected with feed opening into control mechanism 54.
The seed amount induction mechanism 53 is by inductance loop 531, hinge 532, swinger spring 533, traction rope 534, fixed cunning
535 composition of wheel, the inductance loop 531 are set to 51 inside of reserve cartridge and are flexibly connected by hinge 532 with 51 inner wall of reserve cartridge, institute
Swinger spring 533 is stated inside hinge 532, described 534 one end of traction rope is intertwined and connected with 531 outer edge of inductance loop, described
534 other end of traction rope is connected with feed opening into control mechanism 54 around fixed pulley 535.
The inductance loop 531 is equipped with 10-15 and is uniformly equidistantly set to inside reserve cartridge 51, and diameter is in reserve cartridge 51
Diameter from top to bottom gradually becomes, realize actual induction grain weight number.
The correspondence of each inductance loop 531 is respectively equipped with four groups of hinges 532, swinger spring 533, traction rope 534, fixed pulley
535, it realizes four sensing directionals, improves clever density.
The feed opening is into control mechanism 54 by shell 541, guide wheel group 542, actuator 543, gear 544, belt pulley
545, winding wheel 546, guide roller 547 form, and the guide wheel group 542 is set to 541 top of shell, and the actuator 543 is set to
It is connect inside shell 541 and with 534 lower end of traction rope, the actuator 543 engages flexible connection, the belt with gear 544
Wheel 545 is set to 544 lower section of gear and is engaged by belt and connected, and the winding wheel 546 is set to 545 outside of belt pulley and passes through
Belt engagement connection, the guide roller 547 are set to 546 top of winding wheel.
The actuator 543 is whole in rotation counterclockwise with moving gear 544, belt pulley 545, winding wheel 546, and realizing will sense
Answer the bore of the dynamic Control feed opening when relaxation of ring 531.
The blanking mouth mechanism 55 is by hollow arc panel 551, fanning strip 552, rubber block 553, compressed spring 554, drawstring
555 compositions, the hollow arc panel 551 are set to inside 51 lower port of reserve cartridge, and the fanning strip 552 is set to hollow arc panel
It 551 inboard sides and is gap-matched with hollow arc panel 551, the rubber block 553 is set to 552 tip of fanning strip, the pressure
Contracting spring 554 is set to hollow 551 inside of arc panel and welds with fanning strip 552, and described 555 one end of drawstring is twined with fanning strip 552
Around connection, the drawstring 555 is intertwined and connected around guide roller 547 with winding wheel 546.
The drawstring 555 is with winding wheel 546 in being counterclockwise intertwined and connected, and the winding wheel 546 is in rotation counterclockwise
When, drawstring 555 is wound and is pullled, realizes when there is inductance loop 531 in relaxed state, drives winding wheel 546 in counterclockwise
Direction rotates and is wound and pulls to drawstring 555, corresponding to open biggish feed opening.
The tip of each fanning strip 552 is correspondingly provided with rubber block 553, and the rubber block 553 is more soft and bullet
Property it is larger, realization prevents the tip of fanning strip 552 from damaging to seed, while flexible rubber block 553 can reduce
Gap between fanning strip 552 and fanning strip 552 prevents relatively fine seed from leaking outside.
Working principle of the present invention is as follows: the seed that will be sowed is placed in seed stock cylinder 51, at this time in seed
Under gravity, inductance loop 531 is in skirt shape, when being sowed, when grain weight is more, and the state in extension of shape of fanning strip 552,
Centre there are hole it is smaller, the pressure being subject at this time by the seed of bottom seed is larger, and the flow of seed discharging is smaller, but flow velocity
Comparatively fast；With the reduction of grain weight, the upper surface of seed can lower, and inductance loop 531 from top to bottom gradually loses the pressure of seed
Power, backswing is horizontal under the elastic force effect of swinger spring 533, while it passes through traction rope 534 in the auxiliary of actuator 543
Under effect, band moving gear 544 drives belt pulley 545 in counterclockwise by belt again in slowly rotation, gear 544 counterclockwise
Rotation, it is in rotate counterclockwise, and slowly pull drawstring 555 that last belt pulley 545, which drives winding wheel 546 by belt again,
One end stretches the other end and then pulls fanning strip 552 and gradually taper up in hollow arc panel 551, and finally pull fanning strip 552 and
Hollow 551 one kind of arc panel collapses into shell 541, and blanking bore is larger at this time, and the flow of seed is larger, and flow velocity is slower,
Total amount remains unchanged in this way, realizes uniformly sowing, solves the problems, such as that traditional cloths device may damage seed.
Problems solved by the invention is the seed storage that will generally be sowed of the implanted device of the prior art in cylinder,
The gravity fall of seeds self is recycled to realize sowing, but the pushing because of seed in storage cylinder, seed are subject to downward force
It changes with the variation of seed surplus, causes seed speed of drilling gradually slack-off, cannot achieve and more uniformly broadcast
Kind；Or solve the problems, such as that sowing is uniform by uniform blanking device, but the seed after uniform blanking device cloth is by certain
The injury of degree may cause seed and be damaged and can not germinate, seed is caused to waste, while influence to sow the uniformity, and the present invention is logical
Being combined with each other for above-mentioned component is crossed, by the inverse ratio self-regulated seed stock device being equipped with, can deposited according to the amount and seed of seed
The height accumulated in storage cylinder adjusts the corresponding bore of seed discharge port, using it is initial when, grain weight is more, the seed of discharge port
By biggish pressure, when flow velocity is big, flow is small and grain weight reduces, discharge port is become larger, and flow velocity is small, flow is big, total amount
Identical principle realizes uniformly sowing, and can reduce the damage caused by seed of uniform blanking device, guarantees the survival rate of seed.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of based on the constant uniform implanted device of inverse ratio variation total amount, structure include axle stand (1), shifting roller (2),
Support ground frame (3) pushes bridge (4), inverse ratio self-regulated seed stock device (5), seeder (6), it is characterised in that:
The axle stand (1) is set between two shifting rollers (2) and is slidably connected, and the support ground frame (3) is set to axle stand (1)
The back lower place and by electric welding be connected, the promotions bridge (4) be set to axle stand (1) back upper place and by be welded is connected, institute
Inverse ratio self-regulated seed stock device (5) is stated right above axle stand (1), the seeder (6) is stored up set on inverse ratio self-regulated seed
Immediately below standby device (5) and perforation connects；
The inverse ratio self-regulated seed stock device (5) is by seed stock cylinder (51), feed opening (52), seed amount induction mechanism
(53), feed opening is formed into control mechanism (54), blanking mouth mechanism (55), and the feed opening (52) is set to seed stock cylinder (51)
Central upper portion, the seed amount induction mechanism (53) are set to seed stock cylinder (51) inner wall and flexible connection, the feed opening
It is set to below seed amount induction mechanism (53) and is flexibly connected by gear teeth meshing, the feed opening machine into control mechanism (54)
Structure (55) is set to seed stock cylinder (51) lower part and is flexibly connected with feed opening into control mechanism (54).
2. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 1, it is characterised in that: institute
Seed amount induction mechanism (53) is stated by inductance loop (531), hinge (532), swinger spring (533), traction rope (534), fixed cunning
(535) composition is taken turns, the inductance loop (531) is set to reserve cartridge (51) inside and by hinge (532) and reserve cartridge (51) inner wall
It is flexibly connected, the swinger spring (533) is internal set on hinge (532), described traction rope (534) one end and inductance loop (531)
Outer edge is intertwined and connected, and traction rope (534) other end is connected with feed opening into control mechanism (54) around fixed pulley (535)
It connects.
3. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 2, it is characterised in that: institute
Inductance loop (531) are stated equipped with 10-15 and be uniformly equidistantly set to reserve cartridge (51) it is internal, diameter with reserve cartridge (51) internal diameter by
It is gradually become smaller under.
4. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 2, it is characterised in that: institute
It states each inductance loop (531) correspondence and is respectively equipped with four groups of hinges (532), swinger spring (533), traction rope (534), fixed pulley
(535)。
5. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 1, it is characterised in that: institute
Feed opening is stated into control mechanism (54) by shell (541), guide wheel group (542), actuator (543), gear (544), belt pulley
(545), winding wheel (546), guide roller (547) composition, the guide wheel group (542) are set to shell (541) top, the driving
Part (543) is set to shell (541) inside and connect with traction rope (534) lower end, and the actuator (543) is nibbled with gear (544)
It closes and is flexibly connected, the belt pulley (545) is set to below gear (544) and is engaged by belt and connected, the winding wheel (546)
Connection is engaged set on belt pulley (545) outside and by belt, the guide roller (547) is set to above winding wheel (546).
6. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 5, it is characterised in that: institute
Actuator (543) band moving gear (544), belt pulley (545), winding wheel (546) are stated integrally in rotation counterclockwise.
7. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 1, it is characterised in that: institute
Blanking mouth mechanism (55) is stated by hollow arc panel (551), fanning strip (552), rubber block (553), compressed spring (554), drawstring
(555) it forms, the hollow arc panel (551) is set to inside reserve cartridge (51) lower port, and the fanning strip (552) is set to hollow
It arc panel (551) inboard side and is gap-matched with hollow arc panel (551), the rubber block (553) is set to fanning strip
(552) tip, the compressed spring (554) are set to hollow arc panel (551) inside and weld with fanning strip (552), the drawing
Rope (555) one end is intertwined and connected with fanning strip (552), and the drawstring (555) twines around guide roller (547) with winding wheel (546)
Around connection.
8. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 7, it is characterised in that: institute
It states drawstring (555) and is intertwined and connected with winding wheel (546) in counter clockwise direction, it is right when the winding wheel (546) is in rotation counterclockwise
Drawstring (555), which is wound, to be pullled.
9. a kind of uniform implanted device constant based on inverse ratio variation total amount according to claim 7, it is characterised in that: institute
The tip for stating each fanning strip (552) is correspondingly provided with rubber block (553), the rubber block (553) it is more soft and it is elastic compared with
Greatly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138607.0A CN109168472B (en) | 2018-09-28 | 2018-09-28 | Uniform sowing equipment with constant total quantity based on inverse ratio change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138607.0A CN109168472B (en) | 2018-09-28 | 2018-09-28 | Uniform sowing equipment with constant total quantity based on inverse ratio change |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109168472A true CN109168472A (en) | 2019-01-11 |
| CN109168472B CN109168472B (en) | 2021-06-04 |
Family
ID=64907514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811138607.0A Expired - Fee Related CN109168472B (en) | 2018-09-28 | 2018-09-28 | Uniform sowing equipment with constant total quantity based on inverse ratio change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109168472B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114793576A (en) * | 2022-06-09 | 2022-07-29 | 盐城师范学院 | Agricultural machine is with ploughing device convenient to unloading |
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| US20180106382A1 (en) * | 2016-10-19 | 2018-04-19 | Chapin Manufacturing, Inc. | Spreader with Rotary Slide Gate |
| CN108029293A (en) * | 2017-12-24 | 2018-05-15 | 孙华明 | One kind sows uniform miniature seeding machine |
| CN108293375A (en) * | 2018-03-30 | 2018-07-20 | 巢湖学院 | A kind of flow control formula precision seed adding device |
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| US3175739A (en) * | 1963-04-26 | 1965-03-30 | Cyclone Seeder Co | Spreader with self-locking spring |
| CN2650473Y (en) * | 2003-09-28 | 2004-10-27 | 陶振华 | Drill fertilizing seeder |
| US20060118652A1 (en) * | 2004-12-06 | 2006-06-08 | Hickenbottom Ronald J | Push/tow broadcast spreader |
| CN201100988Y (en) * | 2007-09-19 | 2008-08-20 | 陶振华 | Strip sowing type combined seed and fertilizer drill |
| CN201100996Y (en) * | 2007-09-19 | 2008-08-20 | 陶振华 | Hand pulling type combined seed and fertilizer drill convenient to install |
| CN204796121U (en) * | 2015-07-07 | 2015-11-25 | 黑龙江省农业科学院佳木斯分院 | Hand propelled seeding fertilization car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114793576A (en) * | 2022-06-09 | 2022-07-29 | 盐城师范学院 | Agricultural machine is with ploughing device convenient to unloading |
| CN114793576B (en) * | 2022-06-09 | 2023-01-10 | 盐城师范学院 | Agricultural machine is with device of ploughing convenient to unloading |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109168472B (en) | 2021-06-04 |
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