CN111034437B - Spiral precision fertilizer feeding device - Google Patents
Spiral precision fertilizer feeding device Download PDFInfo
- Publication number
- CN111034437B CN111034437B CN201911345555.9A CN201911345555A CN111034437B CN 111034437 B CN111034437 B CN 111034437B CN 201911345555 A CN201911345555 A CN 201911345555A CN 111034437 B CN111034437 B CN 111034437B
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- fertilizer
- spiral
- feeding
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- precision
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/12—Fertiliser distributors with movable parts of the receptacle
-
- 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
Abstract
The invention discloses a spiral precision fertilizer feeding device which comprises a feeding box, a discharging box and a power driving device, wherein one side of the feeding box is connected with the power driving device, a fertilizer conveying spiral sleeve arranged on the other side of the feeding box is connected with a fertilizer conveying section sleeve on the discharging box, the feeding box, the fertilizer conveying spiral sleeve, the fertilizer conveying section sleeve and the discharging box form a complete fertilizer feeding shell, a spiral conveying assembly for feeding fertilizer is arranged in the shell, and the power driving device drives the fertilizer feeding spiral to interact with the feeding box, a coaxial sleeve and the discharging box, so that the aim of discharging fertilizer is fulfilled, the rotating speed of the power driving device is controlled, the fertilizer feeding speed is adjusted, and the fertilizer application amount is changed.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a spiral precision fertilizer feeding device.
Background
The use of chemical fertilizer is an important guarantee for increasing both production and income of farmers, and the precision fertilization technology is a scientific fertilization mode proved by practice and has important significance for improving the utilization rate of the fertilizer and reducing the pollution of agricultural film sources. The fertilizer feeding precision of the fertilizer feeding device is improved, the energy consumption of fertilizer feeding operation is reduced, the linearity of fertilizer discharge amount control is optimized, the method has important significance on the development of precision agriculture, and the method meets the development requirement of the sustainable development of modern agriculture.
The spiral is an ideal short-distance precise conveying device, has the characteristics of closed conveying environment, stable conveying capacity and forced conveying, is widely applied to industrial and agricultural production, is an ideal fertilizer feeding mode, has a large rotating speed variation range, can meet the fertilizer feeding requirements of different fertilizer application amounts, can keep the single-circle fertilizer feeding amount stable within the designed highest rotating speed, and can realize the adjustment of the fertilizer feeding amount only by controlling the rotating speed of the fertilizer feeding spiral. However, due to the structural characteristics of the spiral, the general spiral cannot be used for fertilizing for two main reasons: firstly, the conveying amount of spiral conveying has the characteristic of low-frequency pulsation, so that the fertilizer feeding amount is unstable, and even obvious broken strips can appear under the condition of low rotating speed; secondly, as fertilizer feeding is a forced closing process, fertilizer particles are easily clamped between the closed spiral and the spiral sleeve, so that the clamping stagnation phenomenon of the fertilizer distributor and the fertilizer crushing are caused. In addition, the existing fertilizer apparatus mostly adopts a serial power transmission mode, can not realize the starting and closing of a single fertilizer apparatus and the independent adjustment of the fertilizer amount, is not beneficial to the calibration of the fertilizer apparatus and is also not beneficial to the variable fertilization in the width direction.
Present fertilizer entry of equipping (fertilizer apparatus) is in directly over the spiral, be closed space gradually between spiral and the sleeve pipe inner wall, can cause the jamming of granule, light then the card dies, cause the fertilizer of arranging to be unsmooth, it is heavy then direct to burn out the motor, adopt directly under play fertile (play fertile mouthful is in under the spiral), receive the influence of helical blade phase angle of rotation, the space size that blade and export formed is at the pulsation change, the low frequency pulsation phenomenon can appear in the fertilizer flow, fertilizer is difficult to realize even strip and exerts. Therefore, the existing equipment (fertilizer apparatus) has the problems of poor fertilizing and fertilizing precision, low uniformity, large fertilizer discharging resistance, incapability of realizing different fertilizing amounts between crop rows, low linearity of regulating amount and control amount, incapability of realizing stepless regulation of fertilizer discharging amount and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a spiral precision fertilizer feeding device which can steplessly adjust the fertilizer discharging amount, has high control precision, strong linear correlation of the control amount at one time, large adjustment variable range, uniform fertilizer feeding, no pulse, small fertilizer feeding resistance and complete fertilizer granularity and can effectively solve the problem of scientific fertilizer feeding as required; in addition, different fertilizing amounts between rows of crops can be realized, and the fertilizer is convenient and quick to disassemble and maintain.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a spiral precision fertilizer feeding device comprises a feeding box, a discharging box and a power driving device, wherein one side of the feeding box is connected with the power driving device, a fertilizer conveying spiral sleeve arranged on the other side of the feeding box is connected with a fertilizer conveying section sleeve on the discharging box, the feeding box, the fertilizer conveying spiral sleeve, the fertilizer conveying section sleeve and the discharging box form a complete fertilizer feeding shell, a spiral conveying assembly used for feeding fertilizer is arranged in the shell, the spiral conveying assembly comprises a fertilizer feeding spiral and a spline shaft, the fertilizer feeding spiral comprises a spiral body and spiral blades fixed on the spiral body, the fertilizer feeding spiral is arranged in the feeding box and driven by the power driving device, a coupler meshed with the spline shaft is arranged on a power output shaft of the power driving device, a spline hole matched with the spline shaft is arranged in the spiral shaft, a fertilizer feeding port and a fertilizer filling area are arranged on the feeding box, a bulge with a wrap angle larger than 90 degrees is arranged in the fertilizer feeding port of the feeding box, one end of the discharging box is provided with a shaft shoulder matched with the spline shaft, a wrapping angle exceeding 180 degrees and a fertilizer collector are arranged in a fertilizer outlet of the discharging box, and the power driving device drives the fertilizer feeding screw to interact with the feeding box, the coaxial sleeve and the discharging box, so that the fertilizer discharging purpose is achieved, and the rotating speed of the power driving device is controlled to adjust the fertilizer feeding speed and change the fertilizer application amount.
Therefore, the fertilizer feeding amount is adjusted by adjusting the rotating speed of the screw shaft, so that the fertilizer discharging amount can be adjusted in a stepless manner, the control precision is high, the adjustment variable range is wide, and the problem of scientific fertilizer application as required can be effectively solved.
Furthermore, the spiral precision fertilizer feeding device is characterized in that a fertilizer inlet of the fertilizer feeding box is arranged on the side of the fertilizer feeding spiral and is fed laterally with the fertilizer feeding spiral, and a soft brush tangent to the spiral blade is arranged at the fertilizer inlet along the axial direction of the spiral. Specifically, the upper part of the bulge at the fertilizer inlet of the feeding box is provided with a through hole for mounting a soft brush, and the end part of the soft brush is tangent to the blade of the fertilizer feeding screw and clings to the edge of the helical blade.
The spiral precision fertilizer feeding device is characterized in that the fertilizer collector is installed with the discharging box through a clamping groove structure.
Preferably, the spline shaft is provided with a concave structure, and a power output shaft of the power driving device is provided with a convex coupler meshed with the concave structure on the spline shaft; further preferably, the power driving device is independently installed on one side of the feeding box, so that independent rotating speed control can be realized, the rotating speed of the feeding screw can be directly controlled, and the feeding amount can be adjusted. Further, the power driving device is a driving motor.
The spiral precision fertilizer throwing device is characterized in that the end part of the discharging box is provided with a raised countersunk hole which is matched with the end part of the spline shaft by an end shaft.
The connection between the material inlet box and the material outlet box is realized by the following modes: the fertilizer conveying spiral sleeve is arranged on one side, close to the fertilizer outlet box, of the feed inlet box, the fertilizer conveying section sleeve is arranged on one side, close to the fertilizer outlet box, of the discharge box, the connecting lug plates are arranged on the fertilizer conveying spiral sleeve and the fertilizer conveying section sleeve respectively, the connecting lug plates are fixedly connected through bolts to form a complete fertilizer conveying coaxial sleeve, the unloading bolts can take out the fertilizer feeding spiral and the spline shaft, and the fertilizer discharging component is disassembled and assembled.
The spiral precision fertilizer feeding device is characterized in that the fertilizer collector is funnel-shaped, is mounted at a discharge port of the material outlet box by a clamping groove structure, and is mounted and detached by a split pin. Preferably, the length of the discharge port is larger than the spiral pitch, so that the fertilizer is synchronously discharged in the whole process of the length of the fertilizer outlet.
The top end of the feeding box is provided with a mounting hole which can mount the spiral precision fertilizer feeding device on a corresponding fertilizer box, and the spiral precision fertilizer feeding device can be mounted on various fertilizing machines for use.
The spiral precision fertilizer throwing device is characterized in that the power driving device is a driving motor. It is contemplated that other types of conventional drive devices for power drives are within the scope of the present invention, such as, for example, air cylinders.
The spiral precision fertilizer-throwing device is characterized in that the spiral component is in clearance fit with the inner wall of the casing space.
The spiral precision fertilizer feeding device is further provided with a shaft end mounting cover, a through hole for mounting the spline shaft is formed in the spiral shaft and is mounted with the spline shaft, the rotating part at the end part of the spline shaft is directly matched with a hole position on the shaft end mounting cover to form a revolute pair, and the other end of the spline shaft is connected with the coupler to form a power input end.
Through the arrangement, the spline shaft is divided into four sections, wherein the first section is a concave-shaped groove and is used for being matched with the end part of the corresponding convex-shaped coupler; the second section is matched with the power input mounting hole of the feed box, and the hole formed between the shoulder and the fertilizer inlet is closed to prevent fertilizer particles from jumping; the third section is provided with a spline which is matched with a spline hole in the screw shaft; the fourth section is a shaft end boss which is matched with the shaft end mounting cover to limit the axial freedom degree of the screw assembly.
As an improvement of the invention, the feeding box adopts a lateral fertilizer feeding mode, and the spiral side surface at the fertilizer feeding port is provided with a fertilizer feeding particle storage space with a larger wrap angle.
As an improvement of the invention, the upper part of the feeding box is provided with a hole site for mounting with a fertilizer box of a fertilizing machine, so that independent mounting is realized.
Further, the number of the fertilizer feeding devices is a plurality of, a plurality of material conveying ports can be arranged at the bottom of the fertilizer box correspondingly, and the plurality of fertilizer feeding devices freely set intervals and installation positions according to operation requirements.
As an improvement of the invention, the discharging box adopts a side line discharging mode, the discharging area is a partial spiral at the end part of the discharging box, and the discharging hole is parallel to the spiral axis and forms a certain included angle with the gravity direction. Furthermore, a funnel-shaped collector is arranged at the discharge port, so that the fertilizer discharging process of the discharge box is smoother, and blockage is not easy to occur.
Further, the discharge gate does not carry out the concentration of fertilizer granule, treats the even discharge back of fertilizer granule, concentrates the discharge with fertilizer granule by the hourglass hopper-shaped loading head with draw-in groove structural installation for the discharge gate, is provided with split pin fixed knot between discharge gate and the loading head to construct for the fixed of loading head.
Compared with the prior art, the invention has the following advantages:
the invention designs the lateral fertilizer feeding mode of the fertilizer feeding port, which can effectively avoid clamping stagnation and has stable torque required by fertilizer application; the lateral fertilizer outlet of the fertilizer outlet enables the whole fertilizer outlet length direction to discharge fertilizer simultaneously without being influenced by the rotation phase angle of the helical blade, thereby improving the uniformity of fertilizer discharge, enabling the fertilizer discharged to be in strips, and keeping the strips continuously and uniformly.
The invention drives the fertilizer feeding screw to interact with the material feeding box, the coaxial sleeve and the material discharging box through the power driving device, thereby achieving the purpose of fertilizer discharging, and controlling the rotating speed of the power driving device to adjust the fertilizer feeding speed and change the fertilizer application amount. The fertilizing amount of each fertilizer applicator can be adjusted in a mode of adjusting the rotating speed of the independent driving motor, and row variable fertilizer discharging can be realized according to different rotating speeds of the motors given by the controller; furthermore, the bulge of the large wrap angle at the fertilizer inlet is adopted, and the fertilizer is fed in by using the lateral direction, so that the clamping stagnation between fertilizer particles and the helical blades can be effectively avoided, the resistance in the fertilizer feeding process is reduced, and the clamping stagnation phenomenon and the crushing of the fertilizer are prevented. On the other hand, the cornerite of discharge gate department makes fertilizer promote an angle and drops after, makes fertilizer still have partial axial transportation to the discharge gate initial point after to whole discharge gate all has fertilizer to drop, reaches the even effect of row's fertile. Through the side direction mode of fertile that goes out, make the effective work spiral that goes out fertile mouthful department lengthen, can reduce the pulsation of the line fall volume of fertile that goes out, improve the homogeneity and the stability of throwing fertile to can satisfy the demand of arranging fertile in succession, the regulation variable range is big, can effectually solve the difficult problem of scientific fertilization as required. The fertilizer applying device can be arranged on various fertilizer applying machines for use and has strong practical value.
Drawings
FIG. 1 is a perspective view of a spiral precision fertilizer applicator of the present invention;
FIG. 2 is an assembly relationship diagram of the spiral precision fertilizer applicator of the present invention;
FIG. 3 is a side view of the spiral precision fertilizer applicator of the present invention;
FIG. 4 is a cross-sectional view of the outlet of the feed inlet of the spiral precision fertilizer feeding device of the present invention;
fig. 5 is a cross-sectional view of the discharge port of the spiral precision fertilizer applicator of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention relates to a spiral precise fertilizer feeding device, which includes a power driving device 10 (in this embodiment, a driving motor), a feeding box 50, a discharging box 70, and a fertilizer conveying spiral 30, wherein the feeding box 50 is provided with a mounting hole 53 of the fertilizer feeding device for mounting the fertilizer feeding device and a fertilizer box, a fertilizer inlet 51 of the feeding box 50 is disposed at a side of the spiral, the fertilizer inlet 51 is provided with a soft brush 40 along an axial direction of the spiral, and a brush handle 42 is mounted on the feeding box 50 by a bolt group 41; the end part of a feeding box 50 is installed and fed with a driving motor 10 through a bolt 11, a flat cushion 12, an elastic cushion 13 and a nut 14, a power output shaft 15 of the driving motor 10 is fixed with a convex coupler 17 through a jackscrew 16, a convex part 18 of the coupler 17 is matched with a groove 21 of a spline shaft 20 and forms a transmission pair through surface contact, the spline shaft 20 penetrates through a power installation hole of the feeding box 50, a closed part is formed between a boss 22 of the spline shaft and the power input side of the feeding box 50, the spline shaft 20 is installed with a spiral shaft 31 through a spline structure, and a spiral blade and the spiral shaft 31 are fixed to form a spiral assembly; a fertilizer conveying spiral sleeve 52 and a fertilizer conveying section sleeve 71 are arranged between the fertilizer feeding box 50 and the fertilizer discharging box 70, connecting lug plates are respectively arranged on the fertilizer conveying spiral sleeve 52 and the fertilizer conveying section sleeve 71, the fertilizer feeding box 50 and the fertilizer discharging box 70 are fixedly connected through a lifting lug 55 structure (connecting lug plates) by bolts 62 and nuts 60 through gaskets 61 to form a complete fertilizer conveying coaxial sleeve, the fertilizer feeding spiral and the spline shaft can be taken out by unloading the bolts, and the fertilizer discharging component is disassembled. The end part of the discharging box is provided with a convex hole 72 which is matched with the end part blocking cover 24 of the spline shaft 20, the fertilizer outlet is arranged on the side surface of the discharging box 70 parallel to the spiral shaft, the fertilizer outlet wrap angle 76 of the discharging box is more than 180 degrees, fertilizer is discharged through the flow guide structure 75, the convex part 74 arranged at the fertilizer outlet is arranged together with a clamping groove 83 of the material collector 80, one side of the material collector 80 is provided with an insertion hole which is fixed by an open pin 81 after being inserted, and the funnel-shaped tail part 82 of the material collector 80 is circular and used for installing a fertilizer discharging pipe.
Therefore, the invention can adjust the fertilizing amount by adjusting the rotating speed of the screw, thereby being capable of adjusting the fertilizing amount in a stepless way, having high control precision, high linearity of the controlled amount and wide range of the adjusting variable, and effectively solving the problem of scientific fertilizing according to needs.
In this embodiment, the feeding box 50 and the discharging box 70 are fixed together by the lug structure 55 and the bolt 62 and the nut 60 to form a complete fertilizer feeding shell, and a spiral component is installed inside the shell to facilitate the replacement of parts and the disassembly and cleaning of the inside of the fertilizer feeder.
In this embodiment, go into magazine 50 and set to the mode that fertile is gone into to the side, go into fertile district section spiral length and be greater than the pitch, effectively improve the packing rate, direct filling that appears between fertilizer granule and the closed surface when reducing to fill fertile avoids throwing the jamming of fertile spiral, avoids the smashing of fertilizer granule, guarantees the good mobility of fertilizer and stable row's fertile effect.
In this embodiment, the fertilizer discharging box 70 is provided with a wrap angle 76 of more than 180 degrees to form a fertilizer outlet parallel to the spiral shaft, and the length of the fertilizer outlet is greater than the spiral pitch, so that the fertilizer is synchronously discharged in the whole process of the length of the fertilizer outlet, the fertilizer feeding pulsation is reduced, and the fertilizer feeding uniformity and stability are improved.
In this embodiment, the number of the fertilizer applying devices can be a plurality of fertilizer applying equipment, the independent driving design of the fertilizer applying devices can not be influenced by the line spacing of crops and the like, the installation position is not limited by a coaxial line and the like, and the fertilizer applying amount of each fertilizer applying device can be independently adjusted and controlled, so that different fertilizer applying amounts between the rows of the crops can be realized.
In this embodiment, the fertilizer feeding device is provided with a funnel-shaped collector 80 at the discharge port 74. The funnel-type material collector enables the fertilizer discharging process of the discharging box to be smoother and not easy to block.
In the present embodiment, the power driving device 10 is a driving motor. It is contemplated that other types of conventional drive devices may be used for the power drive, such as cylinders, and the like, without departing from the scope of the present invention.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (12)
1. The utility model provides a fertile device is thrown to spiral smart volume, includes income magazine, goes out magazine and power drive device, its characterized in that: one side of the feeding box is connected with a power driving device, a fertilizer conveying spiral sleeve arranged on the other side of the feeding box is connected with a fertilizer conveying section sleeve on the discharging box, the feeding box, the fertilizer conveying spiral sleeve, the fertilizer conveying section sleeve and the discharging box form a complete fertilizer feeding shell, a spiral conveying assembly for feeding fertilizer is arranged in the shell, the spiral conveying assembly comprises a fertilizer feeding spiral and a spline shaft, the fertilizer feeding spiral comprises a spiral shaft and spiral blades fixed on the spiral shaft, the fertilizer feeding spiral is arranged in the feeding box, the fertilizer conveying spiral sleeve, the fertilizer conveying section sleeve and the discharging box and is driven by the power driving device, a coupler meshed with the spline shaft is arranged on a power output shaft of the power driving device, a spline hole matched with the spline shaft is arranged in the spiral shaft, a bulge with a wrap angle larger than 90 degrees is arranged in a fertilizer feeding port on the feeding box, and the fertilizer feeding port is arranged on the side, the fertilizer feeding screw is laterally fed, and the fertilizer inlet is arranged above the bulge; go out magazine one end be provided with integral key shaft matched with shaft shoulder, be provided with in the play fertile mouth of play magazine and exceed 180 degrees cornerite and fertilizer collector, go out the magazine and adopt side line ejection of compact mode, the partial spiral of discharge area for going out the magazine tip, go out fertile mouth and parallel and be certain contained angle with the direction of gravity with the spiral axis, power drive device drives and throws fertile spiral and go into the magazine, transport fertile spiral sleeve pipe, transport fertile district's section sleeve pipe and the ejection of compact box between interact to reach the purpose of fertilizer discharging, the cornerite that goes out fertile mouthful department makes fertilizer promote an angle after drop into fertilizer collector.
2. The spiral precision fertilizer applicator according to claim 1, characterized in that: the fertilizer inlet is provided with a soft brush tangent to the helical blade along the helical axial direction.
3. The spiral precision fertilizer applicator according to claim 2, characterized in that: the upper part of the bulge in the fertilizer inlet of the feeding box is provided with a through hole for mounting the soft brush, and the end part of the soft brush is tangent to the blade of the fertilizer feeding screw.
4. The spiral precision fertilizer applicator according to claim 1, characterized in that: the fertilizer collector is arranged on the discharging box through a clamping groove structure.
5. The spiral precision fertilizer feeding device according to claim 4, characterized in that: the fertilizer collector is funnel-shaped and is mounted at a fertilizer outlet of the fertilizer outlet box by a clamping groove structure, and the fertilizer collector is mounted by a cotter pin.
6. The spiral precision fertilizer feeding device according to claim 5, characterized in that: the length of the fertilizer outlet is larger than the spiral pitch, so that the fertilizer is synchronously discharged in the whole process.
7. The spiral precision fertilizer applicator according to claim 1, characterized in that: the spline shaft is provided with a concave structure, and a power output shaft of the power driving device is provided with a convex coupler meshed with the concave structure on the spline shaft.
8. The spiral precision fertilizer applicator according to claim 7, characterized in that: the power driving device is independently arranged on one side of the feeding box, can realize independent rotation speed control and directly controls the rotation speed of the fertilizer feeding screw.
9. The spiral precision fertilizer applicator according to claim 7, characterized in that: the power driving device is a driving motor.
10. The spiral precision fertilizer applicator according to claim 1, characterized in that: and the end part of the discharging box is provided with a raised countersunk hole matched with the end shaft for the end part of the spline shaft.
11. The spiral precision fertilizer applicator according to claim 1, characterized in that: the fertilizer conveying spiral sleeve and the fertilizer conveying section sleeve are respectively provided with a connecting lug plate, and the connecting lug plates are fixedly connected through bolts to form a complete fertilizer conveying coaxial sleeve.
12. The spiral precision fertilizer applicator according to claim 1, characterized in that: and the top end of the feeding box is provided with a mounting hole which can mount the spiral precision fertilizer feeding device on a corresponding fertilizer box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345555.9A CN111034437B (en) | 2019-12-24 | 2019-12-24 | Spiral precision fertilizer feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345555.9A CN111034437B (en) | 2019-12-24 | 2019-12-24 | Spiral precision fertilizer feeding device |
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| CN111034437A CN111034437A (en) | 2020-04-21 |
| CN111034437B true CN111034437B (en) | 2021-04-06 |
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| CN201256541Y (en) * | 2008-08-15 | 2009-06-17 | 中国农业机械化科学研究院 | Fertilizer feeder |
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| CN203537805U (en) * | 2013-12-03 | 2014-04-16 | 刘蓬 | Device for both fertilization and seeding |
| BR102013022588A2 (en) * | 2013-09-04 | 2016-04-19 | Semeato S A Indústria E Comércio | product distributor conveyor thread for application on general agricultural machinery and implements |
| CN206165103U (en) * | 2016-11-07 | 2017-05-17 | 西北农林科技大学 | Spiral riffle splitter |
| CN108886931A (en) * | 2018-04-28 | 2018-11-27 | 华南农业大学 | A kind of essence amount fertilizer apparatus |
| CN109247107A (en) * | 2017-07-14 | 2019-01-22 | 江苏宝源机械有限公司 | A kind of movable type fertilizer apparatus |
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2019
- 2019-12-24 CN CN201911345555.9A patent/CN111034437B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201290231Y (en) * | 2008-07-23 | 2009-08-19 | 昆明理工大学 | Automatic variable fertilizer distributor controlled by stepping motor |
| CN201256541Y (en) * | 2008-08-15 | 2009-06-17 | 中国农业机械化科学研究院 | Fertilizer feeder |
| BRMU9000919U2 (en) * | 2010-06-14 | 2012-02-22 | Semeato Ind & Comercio | conveyor screw for application in product dispenser of machines and agricultural implements in general |
| BR102013022588A2 (en) * | 2013-09-04 | 2016-04-19 | Semeato S A Indústria E Comércio | product distributor conveyor thread for application on general agricultural machinery and implements |
| CN203537805U (en) * | 2013-12-03 | 2014-04-16 | 刘蓬 | Device for both fertilization and seeding |
| CN206165103U (en) * | 2016-11-07 | 2017-05-17 | 西北农林科技大学 | Spiral riffle splitter |
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| CN108886931A (en) * | 2018-04-28 | 2018-11-27 | 华南农业大学 | A kind of essence amount fertilizer apparatus |
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