CN110226393B - Vegetable precision seeding device - Google Patents
Vegetable precision seeding device Download PDFInfo
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- CN110226393B CN110226393B CN201910634594.4A CN201910634594A CN110226393B CN 110226393 B CN110226393 B CN 110226393B CN 201910634594 A CN201910634594 A CN 201910634594A CN 110226393 B CN110226393 B CN 110226393B
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- seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
- A01C19/02—Arrangements for driving working parts of fertilisers or seeders by a motor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
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Abstract
The invention discloses a vegetable precision seeding device, which relates to the technical field of precision hole seeding and comprises the following components: the device comprises a vehicle body, front wheels, a steering driving device, rear wheels, a rear wheel driving device, a depth and width adjusting device, a seed metering device, a range extender and an electricity storage device; the front wheel is connected with the front part of the vehicle body in a rotating manner, the steering driving device is fixedly arranged on the vehicle body, the steering driving device is connected with the front wheel, the rear wheel is connected with the rear part of the vehicle body in a rotating manner, the rear wheel driving device is connected with the rear wheel, the depth width adjusting device is connected with the vehicle body, the range extender and the electric storage device are fixedly arranged on the vehicle body, the range extender is electrically connected with the electric storage device, the electric storage device is electrically connected with the steering driving device, the depth width adjusting device, the rear wheel driving device and the seed discharging device, and therefore the defects that the existing gasoline engine seeding device generates pollution gas during working and the pure electric seeder cannot work for a long time are overcome, the pollution gas during working can be avoided, and the long-time working is realized.
Description
Technical Field
The invention relates to the technical field of precision hole sowing, in particular to a vegetable precision sowing device.
Background
Vegetables are one of the important crops in China, most food crops in China are planted mechanically, most vegetables are planted in a greenhouse, the space in the greenhouse is narrow and small, the ventilation effect is poor, the existing gasoline engine-driven precision planter is easy to cause environmental pollution in the greenhouse and influence vegetable growth because harmful gas generated in the working process of a gasoline engine is released into the greenhouse, and the existing pure electric precision planter has the defect of frequent charging and is not beneficial to long-time sowing operation.
Disclosure of Invention
The invention aims to provide a vegetable precision seeding device, which is used for solving the problems in the prior art, avoiding harmful gas generated in the use process of the vegetable precision seeding device and being capable of performing seeding operation for a long time.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a vegetable precision seeding device, which comprises a vehicle body, front wheels, a steering driving device, rear wheels, a rear wheel driving device, a depth and width adjusting device, a seed discharging device, a range extender and an electricity storage device, wherein the front wheels are arranged on the vehicle body; the front wheel is connected with the front part of the vehicle body in a rotating mode, the steering driving device is fixedly arranged on the vehicle body and connected with the front wheel, the rear wheel is connected with the rear part of the vehicle body in a rotating mode, the output end of the rear wheel driving device is connected with the rear wheel, the ditching device is connected with the vehicle body, the seed metering device is arranged on the vehicle body, the range extender and the electricity storage device are fixedly arranged on the vehicle body and electrically connected with the electricity storage device, and the electricity storage device is electrically connected with the steering driving device, the depth width adjusting device, the rear wheel driving device and the seed metering device.
Preferably, the seed metering device includes seed metering dish and seed metering drive arrangement, seed metering drive arrangement includes first motor, variable diameter belt pulley, belt and the big band pulley of variable diameter, first motor is fixed to be set up on the automobile body, the output of first motor with the small band pulley of variable diameter is connected, the small band pulley of variable diameter set up in on the automobile body, the small band pulley of variable diameter passes through the belt with the big band pulley of variable diameter is connected, the big band pulley of variable diameter with seed metering dish is connected, in order to drive seed metering dish rotates.
Preferably, the large belt wheel with the variable diameter and the small belt wheel with the variable diameter both comprise an outer belt wheel disc, an inner threaded disc and a threaded rod support, the inner threaded disc is fixedly arranged inside the outer belt wheel disc, threads are arranged on the end face of the inner threaded disc, threaded grooves are formed in the threaded rod support, and the threaded grooves are in threaded connection with the inner threaded disc.
Preferably, the depth and width adjusting device comprises a second motor, two depth adjusting rods, two sliding rails, a baffle, a third motor, two-way screws, a first sliding block, a second sliding block, a seeding and ditching device and a fertilizing and ditching device, the second motor is fixedly arranged on the vehicle body, the two depth adjusting rods are arranged on two sides of the second motor, the upper ends of the two depth adjusting rods are fixedly connected with the output end of the second motor, the two sliding rails are respectively and fixedly connected with two sides of the vehicle body, each depth adjusting rod is in sliding connection with one sliding rail in the length direction of the depth adjusting rod, the third motor is fixedly arranged at the lower end of one depth adjusting rod, the output end of the third motor is fixedly connected with one end of the two-way screw, and the other end of the two-way screw is rotatably connected with the other depth adjusting rod, the first slider and the second slider are in threaded connection on the bidirectional screw, the third motor is used for driving the first slider and the second slider to move in the opposite direction or in the opposite direction on the bidirectional screw, the seeding and ditching device and the fertilizing and ditching device are fixedly arranged on the first slider, and the seeding and ditching device and the fertilizing and ditching device are fixedly arranged on the second slider.
Preferably, the depth and width adjusting device further comprises a plurality of pressing wheels, and one pressing wheel is fixedly arranged on the rear side of each seeding and ditching device and the rear side of each fertilizing and ditching device.
Preferably, the seed metering device also comprises a blower, a plastic pipe and a gradual change type electromagnetic pneumatic valve; the seed metering disc and the air blower are fixedly arranged on the vehicle body, the air blower is connected with the seed metering disc through the plastic pipe, and the gradual change type electromagnetic pneumatic valve is arranged on the plastic pipe.
Preferably, the seed discharging device also comprises a seed distributing device, one end of the seed distributing device is connected with the seed discharging disc, the other end of the seed separating device is connected with a seed guiding pipe and comprises a first seed separating bin, a seed separating disc, a seed separating rotating shaft, two seed separating bearings, a fourth motor and a second seed separating bin, the first seed sorting bin and the second seed sorting bin are both fixedly arranged at the bottom of the vehicle body, one end face of the first seed sorting bin is fixedly connected with one end face of the second seed sorting bin to form a cavity, the seed separating disc is arranged in the cavity and is fixedly connected with the seed separating rotating shaft, two ends of the seed separating rotating shaft respectively penetrate through the first seed separating bin and the second seed separating bin, the two seed separating bearings are fixedly connected to the bottom of the vehicle body, the two ends of the seed separating rotating shaft are respectively connected with the seed separating bearing in a rotating mode, and the output end of the fourth motor is fixedly connected with the seed separating rotating shaft.
Preferably, the rear wheels are triangular crawler wheels.
Preferably, the number of the front wheels and the number of the rear wheels are both two.
Compared with the prior art, the invention has the following technical effects:
the invention provides a vegetable precision seeding device, wherein a range extender and an electricity storage device are arranged on a vehicle body, electricity is generated through the range extender, electric energy obtained by the electricity generated by the range extender is stored in the electricity storage device, and the electricity storage device is used for providing electric energy for a steering driving device, a rear wheel driving device and a seed discharging device, so that harmful gas can be prevented from being generated when the vegetable precision seeding device performs seeding operation in a greenhouse, the growth quality of vegetables is ensured, electricity is continuously generated through the range extender, and the long-time seeding operation of the device can also be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an isometric view of a vegetable precision seeding device provided by the present invention;
fig. 2 is a rear view of the vegetable precision seeding apparatus provided by the present invention;
FIG. 3 is a structural diagram of a ditching device of the vegetable precision seeding device provided by the invention;
fig. 4 is a structure view of a variable-diameter large belt wheel of the vegetable precision seeding device provided by the invention;
fig. 5 is a seed separating and coiling structure diagram of the vegetable precision seeding device provided by the invention;
FIG. 6 is a view showing the structure of the first seed hopper of FIG. 5;
fig. 7 is a view showing the structure of the seed separating tray of fig. 5.
Wherein: 1-belt, 2-variable diameter big belt wheel, 21-threaded rod bracket, 22-threaded inner disc, 23-belt wheel outer disc, 3-big belt wheel rotating shaft, 4-big belt wheel bearing, 5-vehicle body, 6-second motor, 7-triangular crawler wheel, 8-depth width adjusting device, 81-depth adjusting rod, 82-baffle, 83-bidirectional screw rod, 84-pinch roller, 85-fertilizing and ditching device, 86-sowing and ditching device, 9-third motor, 10-front wheel, 11-first motor, 12-range extender, 13-big gear, 14-rack, 15-small gear, 16-steering motor, 17-variable diameter small belt wheel, 18-blower, 19-electricity storage device, 20-a gradual change type electromagnetic pneumatic valve, 201-a blower gas inlet, 202-a gas outlet, 203-an electromagnetic coil, 21-a fertilizer hopper, 22-a plastic pipe, 23-a seed plate, 24-a seed separating rotating shaft, 25-a fertilizer guiding pipe, 26-a seed guiding pipe, 27-a seed separating device, 271-a first seed separating bin, 2711-a first seed inlet hole, 2712-a first seed falling hole, 2713-a first shaft hole, 272-a seed separating plate, 2721-a second seed discharging hole, 2722-a second seed inlet hole, 2723-a second shaft hole, 273-a second seed separating bin, 28-a sliding rail and 29-a seed separating bearing.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a vegetable precision seeding device, which is used for solving the problems in the prior art, avoiding harmful gas generated in the use process of the vegetable precision seeding device and being capable of performing seeding operation for a long time.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIGS. 1-7: the embodiment provides a vegetable precision seeding device, which comprises a vehicle body 5, front wheels 10, a steering driving device 16, rear wheels, a rear wheel driving device, a depth and width adjusting device 8, a seed sowing device, a range extender 12 and an electricity storage device 19; the front wheel 10 is rotatably connected with the front part of the vehicle body 5, the steering driving device 16 is fixedly arranged on the vehicle body 5, the steering driving device 16 is connected with the front wheel 10, specifically, the steering driving device 16 comprises a steering motor, a pinion 15, a rack 14 and a gearwheel 13, the output end of the steering motor is fixedly provided with the pinion 15, the pinion 15 is meshed with the rack 14 fixedly arranged on the front part of the vehicle body 5, the end part of the rack is meshed with one gearwheel 13, the gearwheel 13 is fixedly connected with the front wheel 10 so as to drive the front wheel 10 to perform steering action, the rear wheel is rotatably connected with the rear part of the vehicle body 5, the output end of the rear wheel driving device is connected with the rear wheel, the depth and width adjusting device 8 is connected with the vehicle body 5, the seed metering device is arranged on the vehicle body 5, the range extender 12 and the power storage device 19 are both fixedly arranged on the vehicle body 5, and the range extender 12 is used for generating power, the range extender 12 is electrically connected with the electricity storage device 19 so as to store the electric energy generated by the electricity generation of the range extender 12 in the electricity storage device 19, the electricity storage device 19 is electrically connected with the steering driving device 16, the rear wheel driving device, the depth and width adjusting device 8 and the seed discharging device, and the electric energy is provided for advancing and seeding of the whole device, so that the defect that the growth of vegetables is influenced by harmful gas released by the existing gasoline engine seeding device in the working process is overcome, the range extender 12 continuously works, and the defect that the existing pure electric seeding device cannot work for a long time can be overcome.
The seed metering device comprises a seed metering disc 22 and a seed metering driving device, the seed metering driving device comprises a first motor 11, a small belt wheel 17 with a variable diameter, a belt 1 and a large belt wheel 2 with a variable diameter, the first motor 11 is fixedly arranged on the vehicle body, the output end of the first motor 11 is connected with the small belt wheel with a variable diameter, the small belt wheel 17 with a variable diameter is arranged on the vehicle body 5, the small belt wheel 17 with a variable diameter is connected with the large belt wheel 2 with a variable diameter through the belt 1, the large belt wheel 2 with a variable diameter and the seed metering disc 22 are coaxially and fixedly arranged on a rotating shaft 3 of the large belt wheel, and two ends of the rotating shaft 3 of the large belt wheel are respectively and rotatably connected with a large belt wheel bearing 4 fixedly arranged on the vehicle body 5.
The variable-diameter large belt wheel 2 and the variable-diameter small belt wheel 17 both comprise an outer belt wheel disc 23, a threaded inner disc 22 and a threaded rod support 21, the threaded inner disc 22 is fixedly arranged inside the outer belt wheel disc 23, threads are arranged on the end face of the threaded inner disc 22, threaded grooves are formed in the threaded rod support 21, and the threaded grooves are in threaded connection with the threaded inner disc.
The depth and width adjusting device 8 comprises a second motor 6, two depth adjusting rods 81, two slide rails 30, a baffle 82, a third motor 9, a two-way screw 83, a first slide block, a second slide block, a seeding furrowing device 86 and a fertilizing furrowing device 85, wherein the second motor 6 is fixedly arranged on the vehicle body 5, the two depth adjusting rods 81 are arranged on two sides of the second motor 6, the upper ends of the two depth adjusting rods 81 are fixedly connected with the output end of the second motor 6, the two slide rails 30 are respectively and fixedly connected with two sides of the vehicle body 5, each depth adjusting rod 81 is in sliding connection with one slide rail 30 in the length direction of the depth adjusting rod 81 and is used for controlling the furrowing depth of the seeding furrowing device 86 and the fertilizing furrowing device 85, the third motor 9 is fixedly arranged at the lower end of one depth adjusting rod 81, the output end of the third motor 9 is fixedly connected with one end of the two-way screw 83, the other end of the two-way screw 83 is rotatably connected with the other depth adjusting rod 81, equal threaded connection of first slider and second slider is on two-way screw 81, third motor 9 is used for driving first slider and second slider and moves on two-way screw 81 in opposite directions or back of the body mutually, and fixed seeding ditching device 86 and the ditching device 85 of fertilizeing of being provided with on the first slider, the fixed seeding ditching device 86 and the ditching device 85 of fertilizeing of being provided with of second slider, carry out the width of carrying on the back mutually or moving in opposite directions in order to adjust seeding and fertilizeing at two-way screw 83 through first slider of third motor 9 control, and ditching device 85 of fertilizeing sets up in one side of seeding ditching device 86, can guarantee the absorption of plant to fertilizer, can reduce the phenomenon of burning seedlings again.
The depth and width adjusting device 8 further comprises a plurality of pressing wheels 84, and one pressing wheel 84 is fixedly arranged on the rear side of each sowing and ditching device 86 and each fertilizing and ditching device 85 and used for compacting the soil after ditching.
The seed metering device also comprises a blower 18, a plastic pipe 22 and a gradual change type electromagnetic pneumatic valve 20; the seed plate 23 and the blower 18 are both fixedly arranged on the vehicle body 5, the blower 18 and the seed plate 23 are connected through a plastic pipe 22, and a gradual change type electromagnetic pneumatic valve 20 is arranged on the plastic pipe 22 and used for controlling the air quantity input in the seed plate 23.
The seed discharging device also comprises a seed distributing device 27, one end of the seed distributing device 27 is connected with a seed discharging disc 23, the other end of the seed distributing device 27 is connected with a seed guiding pipe 26 or a fertilizer guiding pipe 25, the seed distributing device comprises a first seed distributing bin 271, a seed distributing disc 272, a seed distributing rotating shaft 24, two seed distributing bearings 29, a fourth motor and a second seed distributing bin 273, the first seed distributing bin 271 and the second seed distributing bin 273 are both fixedly arranged at the bottom of the vehicle body 5, one end surface of the first seed distributing bin 271 is fixedly connected with one end surface of the second seed distributing bin 273 to form a cavity, the seed distributing disc 272 is arranged inside the cavity, the seed distributing disc 272 is fixedly connected with the seed distributing rotating shaft 24, two ends of the seed distributing rotating shaft 24 respectively penetrate through the first seed distributing bin 271 and the second seed distributing bin 273, a first seed inlet hole 2711 and a first shaft hole 2713 are arranged on the outer end surface of the first seed distributing bin 271, a first seed falling hole 2712 is arranged on the side wall of the first seed distributing bin 271, the seed distributing disc 272 is a honeycomb type seed distributing disc, a plurality of second seed discharging holes 2721 and second shaft holes 2723 are formed in the end face of the seed separating disc 272, a plurality of second seed feeding holes 2722 are formed in the side wall of the seed separating disc 272, two seed separating bearings 29 are fixedly connected to the bottom of the vehicle body 5, two ends of the seed separating rotating shaft 24 are rotatably connected with the seed separating bearings 29 respectively, and the output end of a fourth motor is fixedly connected with the seed separating rotating shaft 24 to drive the seed separating disc 272 to rotate.
The rear wheels are triangular crawler wheels 7 which are convenient for walking in field operation, and the front wheels 10 are rubber wheels which are convenient for steering.
The number of the front wheels and the number of the rear wheels are both two.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. The utility model provides a vegetables precision seeding device which characterized in that: comprises a vehicle body, a front wheel, a steering driving device, a rear wheel driving device, a depth and width adjusting device, a seed metering device, a range extender and an electricity storage device; the front wheels are rotatably connected with the front part of the vehicle body, the steering driving device is fixedly arranged on the vehicle body, the steering driving device is connected with the front wheels, the rear wheels are rotatably connected with the rear part of the vehicle body, the output end of the rear wheel driving device is connected with the rear wheels, the depth and width adjusting device is connected with the vehicle body, the seed metering device is arranged on the vehicle body, the range extender and the power storage device are both fixedly arranged on the vehicle body, the range extender is electrically connected with the power storage device, and the power storage device is electrically connected with the steering driving device, the depth and width adjusting device, the rear wheel driving device and the seed metering device;
the depth and width adjusting device comprises a second motor, two depth adjusting rods, two slide rails, a baffle, a third motor, a two-way screw, a first slide block, a second slide block, a seeding and ditching device and a fertilizing and ditching device, wherein the second motor is fixedly arranged on the vehicle body, the two depth adjusting rods are arranged on two sides of the second motor, the upper ends of the two depth adjusting rods are fixedly connected with the output end of the second motor, the two slide rails are respectively and fixedly connected with two sides of the vehicle body, each depth adjusting rod is in sliding connection with one slide rail in the length direction of the depth adjusting rod, the third motor is fixedly arranged at the lower end of one depth adjusting rod, the output end of the third motor is fixedly connected with one end of the two-way screw, and the other end of the two-way screw is rotationally connected with the other depth adjusting rod, the first sliding block and the second sliding block are both in threaded connection with the bidirectional screw, the third motor is used for driving the first sliding block and the second sliding block to move in the opposite direction or in the opposite direction on the bidirectional screw, the seeding and ditching device and the fertilizing and ditching device are fixedly arranged on the first sliding block, and the seeding and ditching device and the fertilizing and ditching device are fixedly arranged on the second sliding block;
the depth and width adjusting device also comprises a plurality of pressing wheels, and one pressing wheel is fixedly arranged at the rear side of each sowing ditching device and the rear side of each fertilizing ditching device;
the seed discharging device comprises a seed discharging disc and a seed discharging driving device, the seed discharging driving device comprises a first motor, a small belt wheel with variable diameter, a belt and a large belt wheel with variable diameter, the first motor is fixedly arranged on the vehicle body, the output end of the first motor is connected with the small belt wheel with variable diameter, the small belt wheel with variable diameter is arranged on the vehicle body, the small belt wheel with variable diameter is connected with the large belt wheel with variable diameter through the belt, and the large belt wheel with variable diameter is connected with the seed discharging disc to drive the seed discharging disc to rotate;
the seed discharging device also comprises a seed distributing device, one end of the seed distributing device is connected with the seed discharging disc, the other end of the seed separating device is connected with a seed guiding pipe and comprises a first seed separating bin, a seed separating disc, a seed separating rotating shaft, two seed separating bearings, a fourth motor and a second seed separating bin, the first seed sorting bin and the second seed sorting bin are both fixedly arranged at the bottom of the vehicle body, one end face of the first seed sorting bin is fixedly connected with one end face of the second seed sorting bin to form a cavity, the seed separating disc is arranged in the cavity and is fixedly connected with the seed separating rotating shaft, two ends of the seed separating rotating shaft respectively penetrate through the first seed separating bin and the second seed separating bin, the two seed separating bearings are fixedly connected to the bottom of the vehicle body, two ends of the seed separating rotating shaft are respectively and rotatably connected with the seed separating bearing, and the output end of the fourth motor is fixedly connected with the seed separating rotating shaft; the end face of the outer side of the first seed separating bin is provided with a first seed inlet hole and a first shaft hole, the side wall of the first seed separating bin is provided with a first seed falling hole, the seed separating plate is a honeycomb type seed separating plate, the end face of the seed separating plate is provided with a plurality of second seed discharging holes and a second shaft hole, and the side wall of the seed separating plate is provided with a plurality of second seed inlet holes.
2. The vegetable precision seeding device according to claim 1, characterized in that: the variable-diameter large belt wheel and the variable-diameter small belt wheel respectively comprise an outer belt wheel disc, an inner threaded disc and a threaded rod support, the inner threaded disc is fixedly arranged inside the outer belt wheel disc, threads are arranged on the end face of the inner threaded disc, threaded grooves are formed in the threaded rod support, and the threaded grooves are in threaded connection with the inner threaded disc.
3. The vegetable precision seeding device according to claim 1, characterized in that: the seed sowing device also comprises a blower, a plastic pipe and a gradual change type electromagnetic pneumatic valve; the seed metering disc and the air blower are fixedly arranged on the vehicle body, the air blower is connected with the seed metering disc through the plastic pipe, and the gradual change type electromagnetic pneumatic valve is arranged on the plastic pipe.
4. The vegetable precision seeding device according to claim 1, characterized in that: the rear wheels are triangular crawler wheels.
5. The vegetable precision seeding device according to claim 1, characterized in that: the number of the front wheels and the number of the rear wheels are both two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910634594.4A CN110226393B (en) | 2019-07-15 | 2019-07-15 | Vegetable precision seeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634594.4A CN110226393B (en) | 2019-07-15 | 2019-07-15 | Vegetable precision seeding device |
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| CN110226393A CN110226393A (en) | 2019-09-13 |
| CN110226393B true CN110226393B (en) | 2021-10-01 |
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| CN201910634594.4A Active CN110226393B (en) | 2019-07-15 | 2019-07-15 | Vegetable precision seeding device |
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| CN112772051A (en) * | 2019-11-11 | 2021-05-11 | 冯月光 | Water film seeder |
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| CN103782695A (en) * | 2014-01-27 | 2014-05-14 | 华中农业大学 | Pneumatic type vegetable precise remotely controlled seeder |
| CN104343914A (en) * | 2014-09-16 | 2015-02-11 | 谢瑞成 | Variable-speed transmission mechanism for relay transmission of variable-diameter gears |
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| SE533426C2 (en) * | 2008-12-22 | 2010-09-21 | Vaederstad Verken Ab | Agricultural machine with variable row spacing |
| CN201332577Y (en) * | 2008-12-26 | 2009-10-28 | 东北农业大学 | Row spacing adjusting device for four-row corn planter |
| CN105359672B (en) * | 2015-12-03 | 2017-05-24 | 南京工业职业技术学院 | Planter |
| CN205727002U (en) * | 2016-04-28 | 2016-11-30 | 华中农业大学 | Miniature pneumatic type vegetable precision seeder |
| CN208691720U (en) * | 2018-08-08 | 2019-04-05 | 池香娥 | A kind of electronic sowing, fertilizer applicator |
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|---|---|---|---|---|
| CN103782695A (en) * | 2014-01-27 | 2014-05-14 | 华中农业大学 | Pneumatic type vegetable precise remotely controlled seeder |
| CN104343914A (en) * | 2014-09-16 | 2015-02-11 | 谢瑞成 | Variable-speed transmission mechanism for relay transmission of variable-diameter gears |
| CN206602807U (en) * | 2017-04-10 | 2017-11-03 | 滨州学院 | Multifunctional garlic planting machine |
| CN209017420U (en) * | 2018-09-10 | 2019-06-25 | 四川协力制药股份有限公司 | A kind of Chinese medicine plant perforating device |
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