CN109168472B - Uniform sowing equipment with constant total quantity based on inverse ratio change - Google Patents
Uniform sowing equipment with constant total quantity based on inverse ratio change Download PDFInfo
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- CN109168472B CN109168472B CN201811138607.0A CN201811138607A CN109168472B CN 109168472 B CN109168472 B CN 109168472B CN 201811138607 A CN201811138607 A CN 201811138607A CN 109168472 B CN109168472 B CN 109168472B
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- 238000009331 sowing Methods 0.000 title claims abstract description 35
- 230000008859 change Effects 0.000 title claims abstract description 22
- 108010016634 Seed Storage Proteins Proteins 0.000 claims abstract description 41
- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 43
- 238000004804 winding Methods 0.000 claims description 26
- 230000006698 induction Effects 0.000 claims description 21
- 238000010899 nucleation Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 7
- 230000004083 survival effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
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- 208000014674 injury Diseases 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
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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 uniform sowing equipment with unchanged total amount based on inverse ratio change, which structurally comprises a wheel axle frame, movable rollers, a ground supporting frame, a pushing rod frame, an inverse ratio self-adjusting seed storage device and a sowing device, wherein the wheel axle frame is arranged between the two movable rollers and is in sliding connection, the ground supporting frame is arranged at the rear lower part of the wheel axle frame and is connected through electric welding, and the pushing rod frame is arranged at the rear upper part of the wheel axle frame and is connected through electric welding. According to the invention, the inversely proportional self-adjusting seed storage device is arranged, the caliber corresponding to the seed discharge port can be adjusted according to the quantity of seeds and the stacking height of the seeds in the storage cylinder, and by utilizing the principle that the quantity of the seeds is more at the beginning, the seeds at the discharge port are subjected to higher pressure, the flow rate is high, the flow is low, the discharge port is gradually enlarged when the quantity of the seeds is reduced, the flow rate is low, the flow is high, and the total quantity is the same, uniform sowing is realized, the damage of a uniform feeder to the seeds can be reduced, and the survival rate of the seeds is ensured.
Description
Technical Field
The invention relates to the field of seeding equipment, in particular to uniform seeding equipment with constant total quantity based on inverse proportion change.
Background
With the mechanization of agriculture, various seeders are available in the market, and the seeding efficiency can be effectively improved by utilizing the seeders for seeding, but the seeding equipment in the prior art still has the following defects;
1. the sowing device in the prior art generally stores seeds to be sown in a cylinder and then realizes sowing by utilizing the gravity of the seeds to fall, but because the seeds are pushed in the storage cylinder, the seeds are subjected to downward force to change along with the change of the residual quantity of the seeds, so that the sowing speed of the seeds gradually becomes slow, and more uniform sowing can not be realized;
2. or solve the even problem of seeding through even glassware down, but the seed after even glassware cloth receives the injury of certain degree under, probably causes the impaired unable germination of seed, causes the seed extravagant, influences the seeding degree of consistency simultaneously.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide uniform sowing equipment with invariable total quantity based on inverse ratio change, so as to solve the problems that the sowing equipment in the prior art generally stores seeds to be sown in a cylinder and then realizes sowing by utilizing the gravity fall of the seeds, but the seeds are pushed in the cylinder, the downward force applied to the seeds is changed along with the change of the residual quantity of the seeds, so that the sowing speed of the seeds is gradually reduced, and more uniform sowing can not be realized; or solve the even problem of seeding through even glassware down, but the seed after even glassware cloth receives the injury of certain degree under, probably causes the impaired unable germination of seed, causes the seed extravagant, influences the defect of the seeding degree of consistency simultaneously.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a uniform sowing device based on the invariance of the total amount of inverse ratio change structurally comprises a wheel shaft frame, moving rollers, a ground supporting frame, a pushing rod frame, an inverse ratio self-adjusting seed storage device and a sowing device, wherein the wheel shaft frame is arranged between the two moving rollers and is in sliding connection with the two moving rollers;
the inversely-proportional self-adjusting seed storage device is composed of a seed storage cylinder, a feed hole, a seed quantity sensing mechanism, a feed opening feeding control mechanism and a feed opening mechanism, wherein the feed hole is arranged at the center of the upper part of the seed storage cylinder, the seed quantity sensing mechanism is arranged on the inner wall of the seed storage cylinder and movably connected with the inner wall of the seed storage cylinder, the feed opening feeding control mechanism is arranged below the seed quantity sensing mechanism and movably connected with the seed quantity sensing mechanism through gear teeth, and the feed opening mechanism is arranged at the lower part of the seed storage cylinder and movably connected with the feed opening feeding control mechanism.
As a further scheme of the invention, the seed quantity sensing mechanism comprises a sensing ring, a hinge, a backswing spring, a traction rope and a fixed pulley, wherein the sensing ring is arranged in the seed storage barrel and is movably connected with the inner wall of the seed storage barrel through the hinge, the backswing spring is arranged in the hinge, one end of the traction rope is wound and connected with the outer edge of the sensing ring, and the other end of the traction rope is connected with the feed opening inlet control mechanism by bypassing the fixed pulley.
As a further scheme of the invention, 10-15 induction rings are uniformly and equidistantly arranged inside the seed storage cylinder, and the diameters of the induction rings gradually change from top to bottom along with the inner diameter of the seed storage cylinder, so that the quantity of the seeds can be effectively induced.
As a further scheme of the invention, each induction ring is correspondingly and respectively provided with four groups of hinges, a backswing spring, a traction rope and a fixed pulley, so that four-direction sensing is realized, and the sensitivity is improved.
As a further scheme of the invention, the feed opening feeding control mechanism comprises a shell, a guide wheel group, a driving piece, a gear, a belt pulley, a wire winding wheel and a wire guide wheel, wherein the guide wheel group is arranged at the upper part of the shell, the driving piece is arranged in the shell and connected with the lower end of a traction rope, the driving piece is movably connected with the gear in a meshing manner, the belt pulley is arranged below the gear and connected with the belt in a meshing manner, the wire winding wheel is arranged at the outer side of the belt pulley and connected with the belt in a meshing manner, and the wire guide wheel is arranged above the wire winding wheel.
As a further scheme of the invention, the driving piece drives the gear, the belt pulley and the wire winding wheel to integrally rotate anticlockwise, so that the aperture of the feeding hole is controlled by power when the induction ring is loosened.
According to a further scheme of the invention, the feed opening mechanism comprises a hollow arc-shaped plate, a sector plate, a rubber block, a compression spring and a pull rope, the hollow arc-shaped plate is arranged inside a lower port of the seed storage barrel, the sector plate is arranged on the inner side of the hollow arc-shaped plate and is in clearance fit with the hollow arc-shaped plate, the rubber block is arranged at the tip end of the sector plate, the compression spring is arranged inside the hollow arc-shaped plate and is welded with the sector plate, one end of the pull rope is connected with the sector plate in a winding mode, and the pull rope is connected with the winding wheel in a winding mode by bypassing the wire.
According to a further scheme of the invention, the pull rope is wound and connected with the winding wheel in an anticlockwise direction, and when the winding wheel rotates anticlockwise, the pull rope is wound and pulled, so that when the induction ring is in a loose state, the winding wheel is driven to rotate anticlockwise to wind and pull the pull rope, and a large discharging opening is correspondingly opened.
As a further scheme of the invention, the tip of each sector plate is correspondingly provided with a rubber block which is soft and has high elasticity, so that the damage of the tip of the sector plate to seeds is prevented, and meanwhile, the rubber block with elasticity can reduce the gap between the sector plates and prevent the leakage of relatively fine seeds.
Advantageous effects of the invention
Compared with the traditional sowing equipment, the invention can adjust the caliber corresponding to the seed discharge port according to the quantity of the seeds and the height of the seeds accumulated in the storage cylinder by the inversely proportional self-adjusting seed storage device, and realizes uniform sowing by utilizing the principle that the quantity of the seeds is more at the beginning, the seeds at the discharge port are subjected to larger pressure, the flow velocity is high, the flow is low, and the discharge port is gradually increased, the flow velocity is low, the flow is high and the total amount is the same when the quantity of the seeds is reduced, and the damage of a uniform feeder to the seeds can be reduced, thereby ensuring the survival rate of the seeds.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
FIG. 1 is a schematic structural view of a uniform sowing apparatus of the present invention whose total amount is constant based on inverse ratio variation.
Fig. 2 is a plan view of the structure of an inversely proportional self-adjusting seed storage device according to the present invention.
FIG. 3 is a schematic diagram of a seed number sensing mechanism according to the present invention.
Fig. 4 is a schematic structural diagram of a feed opening feeding control mechanism according to the present invention.
Fig. 5 is a schematic structural diagram of a feed opening mechanism according to the present invention.
In the figure: the device comprises a wheel shaft frame 1, a moving roller 2, a ground supporting frame 3, a push rod frame 4, an inversely proportional self-adjusting seed storage device 5, a seeder 6, a seed storage barrel 51, a feeding hole 52, a seed quantity sensing mechanism 53, a feed opening feeding control mechanism 54, a feed opening mechanism 55, a sensing ring 531, a hinge 532, a backswing spring 533, a traction rope 534, a fixed pulley 535, a shell 541, a guide wheel set 542, a driving piece 543, a gear 544, a belt pulley 545, a winding wheel 546, a wire guide wheel 547, a hollow arc-shaped plate 551, a sector plate 552, a rubber block 553, a compression spring 554 and a pull rope 555.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the present invention provides a technical solution of uniform seeding apparatus with constant total amount based on inverse ratio change:
a uniform sowing device based on the unchangeable total amount of inverse ratio change structurally comprises a wheel shaft frame 1, moving rollers 2, a ground supporting frame 3, a pushing rod frame 4, an inverse ratio self-adjusting seed storage device 5 and a sowing device 6, wherein the wheel shaft frame 1 is arranged between the two moving rollers 2 and is in sliding connection, the ground supporting frame 3 is arranged below the rear of the wheel shaft frame 1 and is connected with the wheel shaft frame through electric welding, the pushing rod frame 4 is arranged above the rear of the wheel shaft frame 1 and is connected with the wheel shaft frame through electric welding, the inverse ratio self-adjusting seed storage device 5 is arranged right above the wheel shaft frame 1, and the sowing device 6 is arranged right below the inverse ratio self-adjusting seed storage device 5 and is in through connection;
inversely proportional self-modulation seed storage device 5 advances control mechanism 54, feed opening mechanism 55 by a seed storage section of thick bamboo 51, feed port 52, seed quantity response mechanism 53, feed opening and constitutes, feed port 52 locates seed storage section of thick bamboo 51 upper portion center, seed quantity response mechanism 53 locates a seed storage section of thick bamboo 51 inner wall and swing joint, feed opening advances control mechanism 54 and locates seed quantity response mechanism 53 below and both through teeth of a cogwheel meshing swing joint, feed opening mechanism 55 locates a seed storage section of thick bamboo 51 lower part and advances control mechanism 54 swing joint with the feed opening.
The seed quantity sensing mechanism 53 is composed of a sensing ring 531, a hinge 532, a backswing spring 533, a pulling rope 534 and a fixed pulley 535, the sensing ring 531 is arranged inside the seed storage barrel 51 and movably connected with the inner wall of the seed storage barrel 51 through the hinge 532, the backswing spring 533 is arranged inside the hinge 532, one end of the pulling rope 534 is wound and connected with the outer edge of the sensing ring 531, and the other end of the pulling rope 534 bypasses the fixed pulley 535 and is connected with the feed opening inlet control mechanism 54.
The induction ring 531 is provided with 10-15 induction rings which are uniformly and equidistantly arranged inside the seed storage cylinder 51, and the diameters of the induction rings gradually change from top to bottom along with the inner diameter of the seed storage cylinder 51, so that the quantity of seeds can be effectively induced.
Each induction ring 531 is correspondingly and respectively provided with four groups of hinges 532, a backswing spring 533, a traction rope 534 and a fixed pulley 535, so that four-direction sensing is realized, and the sensitivity is improved.
The feed inlet control mechanism 54 comprises a housing 541, a guide wheel set 542, a driving piece 543, a gear 544, a belt pulley 545, a winding wheel 546 and a wire guiding wheel 547, wherein the guide wheel set 542 is arranged at the upper part of the housing 541, the driving piece 543 is arranged inside the housing 541 and connected with the lower end of a traction rope 534, the driving piece 543 is movably connected with the gear 544 in a meshing manner, the belt pulley 545 is arranged below the gear 544 and connected with the belt in a meshing manner, the winding wheel 546 is arranged outside the belt pulley 545 and connected with the belt in a meshing manner, and the wire guiding wheel 547 is arranged above the winding wheel 546.
The driving member 543 drives the gear 544, the belt pulley 545 and the wire winding wheel 546 to rotate counterclockwise integrally, so that the aperture of the feeding hole is controlled by the power when the induction ring 531 is loosened.
The feed opening mechanism 55 comprises a hollow arc-shaped plate 551, a sector plate 552, a rubber block 553, a compression spring 554 and a pull rope 555, the hollow arc-shaped plate 551 is arranged inside a lower port of the seed storage barrel 51, the sector plate 552 is arranged on the inner side of the hollow arc-shaped plate 551 and is in clearance fit with the hollow arc-shaped plate 551, the rubber block 553 is arranged at the tip of the sector plate 552, the compression spring 554 is arranged inside the hollow arc-shaped plate 551 and is welded with the sector plate 552, one end of the pull rope 555 is connected with the sector plate 552 in a winding manner, and the pull rope 555 is connected with a winding wheel 546 in a winding manner by bypassing a guide wheel 547.
Stay cord 555 is the anticlockwise winding with kinking wheel 546 and is connected, kinking wheel 546 twines when anticlockwise rotation, drags stay cord 555, realizes when inductor 531 is the lax state, drives kinking wheel 546 and is anticlockwise rotation and twines stay cord 555 and drag, corresponds and opens great feed opening.
The tip of each sector plate 552 is correspondingly provided with a rubber block 553, the rubber block 553 is soft and elastic, the tip of the sector plate 552 is prevented from damaging seeds, and meanwhile, the elastic rubber block 553 can reduce the gap between the sector plate 552 and prevent the fine seeds from leaking outwards.
The working principle of the invention is as follows: the seeds to be sown are placed in the seed storage cylinder 51, at the moment, under the action of the gravity of the seeds, the induction ring 531 is in a downward swing shape, when the seeds are sown and the amount of the seeds is large, the fan-shaped plate 552 is in an extending state, the hole left in the middle is small, at the moment, the pressure applied to the seeds at the bottom is large, the discharge flow of the seeds is small, but the flow speed is high; as the amount of seeds decreases, the upper surface of the seeds decreases, the induction ring 531 from top to bottom gradually loses the pressure of the seeds, the swinging back is horizontal under the elastic force of the swinging back spring 533, and the pulling rope 534 drives the gear 544 to slowly rotate counterclockwise under the auxiliary action of the driving member 543, the gear 544 drives the belt pulley 545 to rotate counterclockwise through the belt, finally the belt pulley 545 drives the winding wheel 546 to rotate counterclockwise through the belt, while one end of the pull rope 555 is pulled slowly, the other end is pulled to pull the fan-shaped plate 552 to gradually shrink into the hollow arc-shaped plate 551, and finally the fan-shaped plate 552 and the hollow arc-shaped plate 551 are drawn together to be contracted into the shell 541, at the moment, the blanking aperture is larger, the flow rate of the seeds is larger, and the flow rate is slower, so that the total amount is kept unchanged, uniform seeding is realized, and the problem that the traditional distributing device can cause damage to seeds is solved.
The invention solves the problems that the sowing equipment in the prior art generally stores seeds to be sown in a cylinder and then realizes sowing by utilizing the gravity of the seeds to fall, but the seeds are pushed in the storage cylinder and the downward force applied to the seeds changes along with the change of the residual quantity of the seeds, so that the sowing speed of the seeds is gradually reduced, and more uniform sowing can not be realized; the invention can adjust the caliber corresponding to the seed discharge port according to the quantity of the seeds and the height of the seeds accumulated in the storage cylinder, and utilizes the principle that the quantity of the seeds is more initially, the seeds at the discharge port are subjected to larger pressure, the flow rate is large, the flow is small, and the quantity of the seeds is reduced, the discharge port is gradually enlarged, the flow rate is small, the flow is large, and the total quantity is the same, thereby realizing uniform sowing, reducing the damage of the uniform feeder to the seeds and ensuring the survival rate of the seeds.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides an even seeding equipment based on it is unchangeable that inverse ratio changes total amount, its structure includes wheel pedestal (1), removal gyro wheel (2), props ground frame (3), promotes lever frame (4), inverse ratio self-modulation seed storage device (5), disseminator (6), its characterized in that:
the wheel shaft frame (1) is arranged between the two movable idler wheels (2) and is in sliding connection, the ground supporting frame (3) is arranged below the rear portion of the wheel shaft frame (1) and is connected with the wheel shaft frame through electric welding, the push rod frame (4) is arranged above the rear portion of the wheel shaft frame (1) and is connected with the wheel shaft frame through electric welding, the inversely proportional self-adjusting seed storage device (5) is arranged right above the wheel shaft frame (1), and the seeder (6) is arranged right below the inversely proportional self-adjusting seed storage device (5) and is in through connection with the inversely proportional self-adjusting seed storage device;
inversely proportional self-modulation seed deposit device (5) advance control mechanism (54), feed opening mechanism (55) by a seed deposit section of thick bamboo (51), feed port (52), seed quantity response mechanism (53), feed opening and constitute, seed deposit section of thick bamboo (51) upper portion center is located in feed port (52), seed deposit section of thick bamboo (51) inner wall and swing joint are located to seed quantity response mechanism (53), feed opening advances control mechanism (54) and locates seed quantity response mechanism (53) below and both through teeth of a cogwheel meshing swing joint, feed opening mechanism (55) are located seed deposit section of thick bamboo (51) lower part and advance control mechanism (54) swing joint with the feed opening.
2. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 1, wherein: seed quantity induction mechanism (53) comprises induction ring (531), hinge (532), backswing spring (533), haulage rope (534), fixed pulley (535), inside and through hinge (532) and seed storage section of thick bamboo (51) inner wall swing joint are located in seed storage section of thick bamboo (51) in induction ring (531), backswing spring (533) are located inside hinge (532), haulage rope (534) one end is connected with induction ring (531) outward flange winding, haulage rope (534) other end is walked around fixed pulley (535) and is advanced control mechanism (54) with the feed opening and be connected.
3. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 2, wherein: the induction ring (531) is provided with 10-15 induction rings, the induction rings are uniformly arranged in the seed storage cylinder (51) at equal intervals, and the diameter of the induction rings gradually decreases from top to bottom along with the inner diameter of the seed storage cylinder (51).
4. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 2, wherein: the induction ring (531) is correspondingly and respectively provided with four groups of hinges (532), a backswing spring (533), a traction rope (534) and a fixed pulley (535).
5. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 1, wherein: feed opening advances control mechanism (54) comprises shell (541), direction wheelset (542), driving piece (543), gear (544), belt pulley (545), kinking wheel (546), wire guide wheel (547), direction wheelset (542) are located shell (541) upper portion, driving piece (543) are located shell (541) inside and are connected with haulage rope (534) lower extreme, driving piece (543) and gear (544) meshing swing joint, belt pulley (545) are located gear (544) below and both are connected through the belt meshing, kinking wheel (546) are located belt pulley (545) lateral side and both are connected through the belt meshing, kinking wheel (546) are located kinking wheel (546) top.
6. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 5, wherein: the driving piece (543) drives the gear (544), the belt pulley (545) and the wire winding wheel (546) to integrally rotate anticlockwise.
7. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 1, wherein: the feed opening mechanism (55) is composed of a hollow arc plate (551), a sector plate (552), a rubber block (553), a compression spring (554) and a pull rope (555), the hollow arc plate (551) is arranged inside a lower opening of the seed storage cylinder (51), the sector plate (552) is arranged on the inner side of the hollow arc plate (551) and is in clearance fit with the hollow arc plate (551), the rubber block (553) is arranged at the tip end of the sector plate (552), the compression spring (554) is arranged inside the hollow arc plate (551) and is welded with the sector plate (552), one end of the pull rope (555) is connected with the sector plate (552) in a winding mode, and the pull rope (555) is connected with a winding wheel (546) in a winding mode by bypassing a guide wheel (547).
8. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 7, wherein: stay cord (555) are the anticlockwise winding with kinking wheel (546) and are connected, kinking wheel (546) are when anticlockwise rotation, twine stay cord (555) and pull.
9. The uniform sowing apparatus with constant total amount based on inverse proportion change as claimed in claim 7, wherein: the tip of the sector plate (552) is correspondingly provided with a rubber block (553), and the rubber block (553) is soft and high in elasticity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811138607.0A CN109168472B (en) | 2018-09-28 | 2018-09-28 | Uniform sowing equipment with constant total quantity based on inverse ratio change |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811138607.0A CN109168472B (en) | 2018-09-28 | 2018-09-28 | Uniform sowing equipment with constant total quantity based on inverse ratio change |
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| CN109168472A CN109168472A (en) | 2019-01-11 |
| CN109168472B true CN109168472B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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Families Citing this family (1)
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| CN114793576B (en) * | 2022-06-09 | 2023-01-10 | 盐城师范学院 | A cultivating device for agricultural machinery that facilitates feeding |
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| US10088059B2 (en) * | 2016-10-19 | 2018-10-02 | Chapin Manufacturing, Inc. | Spreader with rotary slide gate |
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|---|---|---|---|---|
| US3175739A (en) * | 1963-04-26 | 1965-03-30 | Cyclone Seeder Co | Spreader with self-locking spring |
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| CN109168472A (en) | 2019-01-11 |
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