CN112273001A - Planting mechanism for ecological restoration of rivers, lakes and riverways - Google Patents

Planting mechanism for ecological restoration of rivers, lakes and riverways Download PDF

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Publication number
CN112273001A
CN112273001A CN202011098435.6A CN202011098435A CN112273001A CN 112273001 A CN112273001 A CN 112273001A CN 202011098435 A CN202011098435 A CN 202011098435A CN 112273001 A CN112273001 A CN 112273001A
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China
Prior art keywords
wall
cavity
base
magnet
electromagnet
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CN202011098435.6A
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Chinese (zh)
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CN112273001B (en
Inventor
郭建明
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Shaanxi Weihe Ecological Group Co.,Ltd.
Shaanxi Weihe Ecological Technology R&D Co.,Ltd.
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Individual
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/709—Piezoelectric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40—Protecting water resources
    • Y02A20/402—River restoration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Revetment (AREA)

Abstract

The invention discloses a planting mechanism for ecological restoration of rivers, lakes and riverways, which comprises a base, wherein a sliding groove is formed in the base, a round pipe communicated with the inner wall of the sliding groove is fixedly welded on the side wall of the base, an electromagnetic valve is installed on the inner wall of the round pipe, a cavity is formed in the inner wall of the round pipe, piezoelectric sheets are fixedly connected to the opposite inner walls of the cavity, a first electromagnet is arranged on the inner wall, close to the electromagnetic valve, of the round pipe and electrically connected with a left piezoelectric sheet, a magnet repelling with the first electromagnet is connected in the cavity in a sliding mode, a magnetic plate is connected in the round pipe in a sliding mode, an impact block is connected in the sliding groove in a sliding mode, close to the inner wall. The invention has the advantages that: the collision of the magnet on the piezoelectric sheet is realized by utilizing water flow, so that a water hammer effect is generated, the second electromagnet is electrified to generate magnetism, and the permanent magnet pushes the seeds to be rapidly ejected along the sliding groove under the action of the magnetic repulsion force of the second electromagnet.

Description

Planting mechanism for ecological restoration of rivers, lakes and riverways
Technical Field
The invention relates to the technical field of ecological restoration, in particular to a planting mechanism for ecological restoration of rivers, lakes and rivers.
Background
The river channel is a complex ecological system comprising lands, animals, plants and water bodies, has the functions of regulating runoff and water storage capacity, removing toxic and harmful substances in the water body and providing habitats for aquatic and terrestrial animals, and has vegetation characteristics obviously different from those of the lands on two sides.
But often be the region that water and earth combine in the river course, soil is soft and easily produces the cave in, and present manual seeding has great potential safety hazard, need bury the seed in earth simultaneously when the seeding, if the seed buries the degree of depth difference and is too big, then can influence the survival rate of whole district ecological remediation vegetation seed to influence ecological remediation's effect.
Therefore, a planting mechanism for ecological restoration of rivers, lakes and riverways is provided.
Disclosure of Invention
The invention aims to solve the problems that large-scale sowing equipment cannot sow seeds and the depth difference of each sowing is overlarge in the prior art, and provides a planting mechanism for ecological restoration of rivers, lakes and riverways.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a planting mechanism for river, lake and river course ecological remediation, includes the base, the base is the font structure of falling U, the inside spout of having seted up the font of falling U of base, the lateral wall welded fastening of base has the pipe with spout inner wall intercommunication, the solenoid valve is installed to the pipe inner wall, the cavity has been seted up to the inner wall of pipe, the equal fixedly connected with piezoelectric patches of the relative inner wall of cavity, the inner wall that the pipe is close to the solenoid valve is equipped with first electro-magnet, first electro-magnet and the left piezoelectric patches electric connection that is located the cavity, sliding connection has the magnet that repels mutually with first electro-magnet in the cavity, sliding connection has the magnetic sheet in the pipe, the inner wall top sliding connection that the spout is close to the pipe has the striking piece, the top of base is equipped with the.
In foretell planting mechanism of river, lake and river course ecological remediation, the trigger part includes the piezoceramics of fixed connection top in the spout, the piezoceramics lateral wall has the permanent magnet through spring elastic connection, the spout is located the position fixed connection between piezoceramics and the permanent magnet and the second electro-magnet that the permanent magnet repels, second electro-magnet and piezoceramics electric connection.
In foretell river, lake and river course ecological remediation's planting mechanism, the spout is kept away from the inner wall below of pipe and is seted up smooth chamber, sliding connection has the stopper in the smooth chamber, set up the through-hole of vertical direction in the stopper, the stopper lateral wall is through a plurality of conductive spring and smooth intracavity wall elastic connection, and is a plurality of conductive spring and the piezoelectric patches electric connection that is located the cavity right side.
In the planting mechanism for ecological restoration of rivers, lakes and riverways, the upper end of the base is provided with the obliquely arranged feeding hole, the side wall of the base is provided with the plurality of airflow holes, and the airflow holes are internally provided with the one-way valves.
Compared with the prior art, the invention has the advantages that:
1. by arranging the cavity, the piezoelectric patches, the magnet, the first electromagnet, the electromagnetic valve, the magnetic plate and the like, in the process of quickly inserting the mechanism into a water body, water flows out of the circular tube, and simultaneously, along with the acceleration of the inserting speed of the mechanism into the water body, the water body pushes the magnetic plate to quickly move towards the left side, the magnetic plate drives the magnet in the cavity to quickly move towards the left side together until the magnet collides with the piezoelectric patches fixedly connected with the left side of the cavity to generate current, the current generated by the piezoelectric patches enables the electromagnetic valve to be electrified and closed, and the circulating water flow generates a water hammer effect which is instantly closed;
2. through the arrangement of the impact block, the piezoelectric ceramic, the second electromagnet, the permanent magnet and other structures, because a water hammer effect is generated in the chute, the instant pressure in the chute is increased, so that water in the chute flows to the upper part of the chute quickly, the water body pushes the impact block to collide with the piezoelectric ceramic, current is generated on the piezoelectric ceramic to electrify the second electromagnet to generate magnetism, and the permanent magnet pushes seeds to be ejected along the chute quickly under the action of the magnetic repulsion force of the second electromagnet;
3. after first electro-magnet circular telegram, the magnet slides right under the magnetic repulsion effect of first electro-magnet, and then the collision is located the piezoelectric patches on cavity right side for electrically conductive spring circular telegram shrink, thereby electrically conductive spring pulling stopper slides in sliding cavity, makes through-hole and spout intercommunication on the stopper, makes the seed jet out from this mechanism's spout and buries among the silt.
Drawings
FIG. 1 is a schematic structural diagram of a planting mechanism for ecological restoration of rivers, lakes and riverways, which is provided by the invention;
FIG. 2 is an enlarged schematic view of part A of the planting mechanism for ecological restoration of rivers, lakes and riverways, which is provided by the invention;
FIG. 3 is a sectional view of the side B-B of a planting mechanism for ecological restoration of rivers, lakes and rivers, which is provided by the invention;
fig. 4 is an enlarged schematic view of a part C of the planting mechanism for ecological restoration of rivers, lakes and riverways, which is provided by the invention.
In the figure: the device comprises a base 1, a circular tube 2, an electromagnetic valve 3, a sliding chute 4, a cavity 5, a piezoelectric sheet 6, a magnet 7, a first electromagnet 8, a magnetic plate 9, an impact block 10, piezoelectric ceramics 11, a second electromagnet 12, a permanent magnet 13, a spring 14, a sliding cavity 15, a conductive spring 16 and a limiting block 17.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a planting mechanism for river, lake and river ecological remediation, including base 1, base 1 is the font of falling U structure, base 1 is inside to be seted up the spout 4 of the font of falling U, base 1's lateral wall welded fastening has the pipe 2 with the intercommunication of spout 4 inner wall, solenoid valve 3 is installed to 2 inner walls of pipe, cavity 5 has been seted up to the inner wall of pipe 2, the equal fixedly connected with piezoelectric patches 6 of the relative inner wall of cavity 5, the inner wall that pipe 2 is close to solenoid valve 3 is equipped with first electro-magnet 8, first electro-magnet 8 and the piezoelectric patches 6 electric connection that is located the cavity 5 left, sliding connection has magnet 7 repellent with first electro-magnet 8 in the cavity 5, sliding connection has magnetic sheet 9 in pipe 2, sliding connection has striking piece 10 above the inner wall that spout 4 is close to pipe 2, base 1's top is equipped with the trigger.
The triggering part comprises a piezoelectric ceramic 11 fixedly connected to the inner top of the chute 4, the side wall of the piezoelectric ceramic 11 is elastically connected with a permanent magnet 13 through a spring 14, a second electromagnet 12 which repels the permanent magnet 13 is fixedly connected to the position of the chute 4 between the piezoelectric ceramic 11 and the permanent magnet 13, the second electromagnet 12 is electrically connected with the piezoelectric ceramic 11, after the electromagnetic valve 3 in the circular tube 2 is closed, the instantaneous pressure is increased due to the water hammer effect of the water flow, so that water in the chute 4 rapidly moves towards the upper part of the chute 4, the water body pushes the impact block 10 to collide with the piezoelectric ceramic 11, current generated on the piezoelectric ceramic 11 is supplied to the second electromagnet 12, and after the second electromagnet 12 is electrified, because the polarities of the permanent magnet 13 and the second electromagnet 12 are opposite and mutually repulsive, the permanent magnet 13 and the seeds are rapidly pushed to be rapidly ejected along the chute 4, and the permanent magnet and the seeds are restored to the original position under the elastic action of the spring 14 to prepare the next seed ejecting operation.
Spout 4 keeps away from the inner wall below of pipe 2 and has seted up smooth chamber 15, sliding connection has stopper 17 in smooth chamber 15, set up the through-hole of vertical direction in the stopper 17, stopper 17 lateral wall is through a plurality of conductive spring 16 and smooth 15 inner wall elastic connection in chamber, a plurality of conductive spring 16 and the piezoelectric patches 6 electric connection that is located the cavity 5 right side, the through-hole aperture and the spout 4 diameter of the vertical direction of seting up in the stopper 17 equal, make things convenient for the seed to pass through stopper 17 fast.
The pan feeding hole that the slope set up is seted up to base 1 upper end, and a plurality of air current holes have been seted up to base 1's lateral wall, installs the check valve in the air current hole, and the pan feeding hole makes things convenient for the seed to enter into the launch position in this mechanism to release the transmission fast by permanent magnet 13.
In the invention, the upper end of the mechanism can be fixedly connected with an external movable bracket with a pushing cylinder device, so that the mechanism is pushed to penetrate through a water body to sow seeds in silt.
This mechanism is at the quick male in-process in the water, rivers flow in 2 through the pipe, simultaneously along with this mechanism in the water accelerate of the rate of insertion, the water promotes the quick travel of magnetic sheet 9 left side, magnetic sheet 9 drives magnet 7 in the cavity 5 common the quick motion of left side, until magnet 7 and cavity left side fixed connection's piezoelectric patches 6 collision production electric current, the electric current that piezoelectric patches 6 produced makes solenoid valve 3 circular telegram close, make the rivers production of circulation the water hammer effect of closing in the twinkling of an eye.
Because the water hammer effect is generated, the instant pressure in the chute 4 is increased, water in the chute 4 of the base 1 moves quickly to the upper part of the chute 4, the water body pushes the impact block 10 to collide with the piezoelectric ceramic 11, voltage is generated on the piezoelectric ceramic 11 to supply power to the second electromagnet 12, after the second electromagnet 12 is powered on, the permanent magnet 13 and seeds are rapidly pushed to be rapidly ejected along the chute 4 because the polarities of the permanent magnet 13 and the second electromagnet 12 are opposite to each other and mutually repulsive force, and the water hammer effect is recovered to the original position under the elastic action of the spring 14 to prepare the next seed ejecting operation.
The water promotes striking piece 10 and the collision of piezoceramics 11, it also gives first electro-magnet 8 circular telegrams simultaneously to produce voltage on the piezoceramics 11, because the opposite mutual repulsion of polarity of magnet 7 and first electro-magnet 8, promote magnet 7 and slide to the right side fast, then collide with another piezoelectric plate 6 on cavity 5 right side, it makes the conducting spring 16 circular telegram shrink in sliding cavity 15 to be located 5 left piezoelectric plate 6 of cavity to produce voltage afterwards, thereby conducting spring 16 stimulates stopper 17 and slides in sliding cavity 15, make through-hole and spout 4 intercommunication on the stopper 17, make the seed follow spout 4 interior emission of this mechanism, insert and plant in earth, and the degree of depth uniformity that inserts at every turn and plant is high, improve the survival rate of seed.
Although the terms of the base 1, the circular tube 2, the solenoid valve 3, the sliding chute 4, the cavity 5, the piezoelectric sheet 6, the magnet 7, the first electromagnet 8, the magnetic plate 9, the impact block 10, the piezoelectric ceramic 11, the second electromagnet 12, the permanent magnet 13, the spring 14, the sliding cavity 15, the conductive spring 16, the limit block 17, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (4)

1. The utility model provides a planting mechanism for river, lake and river course ecological remediation, includes base (1), base (1) is the font structure of falling U, its characterized in that, base (1) inside sets up spout (4) of the font of falling U, the lateral wall welded fastening of base (1) has pipe (2) with spout (4) inner wall intercommunication, solenoid valve (3) are installed to pipe (2) inner wall, cavity (5) have been seted up to the inner wall of pipe (2), the equal fixedly connected with piezoelectric patches (6) of the relative inner wall of cavity (5), the inner wall that pipe (2) are close to solenoid valve (3) is equipped with first electro-magnet (8), first electro-magnet (8) and be located the left piezoelectric patches (6) electric connection of cavity (5), sliding connection has magnet (7) that repel each other with first electro-magnet (8) in cavity (5), pipe (2) sliding connection has magnetic plate (9), inner wall top sliding connection that spout (4) are close to pipe (2) has striking piece (10), the top of base (1) is equipped with the trigger part that makes the seed launch in earth.
2. The planting mechanism for ecological restoration of rivers, lakes and riverways as claimed in claim 1, wherein the triggering component comprises a piezoelectric ceramic (11) fixedly connected to the inner top of the chute (4), the side wall of the piezoelectric ceramic (11) is elastically connected with a permanent magnet (13) through a spring (14), a second electromagnet (12) which repels the permanent magnet (13) is fixedly connected to the position of the chute (4) between the piezoelectric ceramic (11) and the permanent magnet (13), and the second electromagnet (12) is electrically connected with the piezoelectric ceramic (11).
3. The planting mechanism for ecological restoration of rivers, lakes and riverways according to claim 1, characterized in that a sliding cavity (15) is formed below the inner wall of the sliding chute (4) far away from the circular tube (2), a limiting block (17) is connected in the sliding cavity (15) in a sliding manner, a through hole in a vertical direction is formed in the limiting block (17), the side wall of the limiting block (17) is elastically connected with the inner wall of the sliding cavity (15) through a plurality of conductive springs (16), and the plurality of conductive springs (16) are electrically connected with the piezoelectric sheet (6) on the right side of the cavity (5).
4. The planting mechanism for ecological restoration of rivers, lakes and riverways as claimed in claim 1, wherein the base (1) is provided with a tilted feeding hole at the upper end, the side wall of the base (1) is provided with a plurality of air flow holes, and the air flow holes are internally provided with one-way valves.
CN202011098435.6A 2020-10-14 2020-10-14 Planting mechanism for ecological restoration of rivers, lakes and riverways Active CN112273001B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114716027A (en) * 2022-05-06 2022-07-08 深圳市翠绿洲环境艺术有限公司 Ecological remediation device based on damaged coastal wetland

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU662036A1 (en) * 1977-01-25 1979-05-15 Целиноградский сельскохозяйственный институт Seeder
CN102160486A (en) * 2010-12-27 2011-08-24 西北农林科技大学 Pneumatic seed shooting mechanism and automatic control method thereof
CN103609234A (en) * 2013-12-10 2014-03-05 山东省农业机械科学研究院 Miss-seeding compensation system of intelligent seeder
CN104632511A (en) * 2015-01-06 2015-05-20 谌利铭 Kinetic energy generation device utilizing energy of water hammer effect
CN106416533A (en) * 2016-07-18 2017-02-22 柳州龙辉科技有限公司 Seed spraying device
CN106948996A (en) * 2017-05-20 2017-07-14 蒋俊 It is a kind of to improve the device that water hammer effect produces kinetic energy
CN107084086A (en) * 2017-05-20 2017-08-22 蒋俊 It is a kind of to strengthen the device that water hammer effect produces kinetic energy
CN108093767A (en) * 2017-03-28 2018-06-01 武汉优视科技有限公司 A kind of ejection type feed mechanism for seed and field machinery
CN108271479A (en) * 2018-01-29 2018-07-13 东北农业大学 Electromagnetic control type pressure flow Dao Zhong mechanisms
CN109923977A (en) * 2019-03-18 2019-06-25 山东省农业机械科学研究院 Motor-driven simple grain launches seeding apparatus and type of seeding
CN110337869A (en) * 2018-04-07 2019-10-18 魏金星 A kind of agricultural seeder device
CN210782033U (en) * 2019-09-05 2020-06-19 镇江立昌智能装备有限公司 Seeding equipment with gravity control function

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU662036A1 (en) * 1977-01-25 1979-05-15 Целиноградский сельскохозяйственный институт Seeder
CN102160486A (en) * 2010-12-27 2011-08-24 西北农林科技大学 Pneumatic seed shooting mechanism and automatic control method thereof
CN103609234A (en) * 2013-12-10 2014-03-05 山东省农业机械科学研究院 Miss-seeding compensation system of intelligent seeder
CN104632511A (en) * 2015-01-06 2015-05-20 谌利铭 Kinetic energy generation device utilizing energy of water hammer effect
CN106416533A (en) * 2016-07-18 2017-02-22 柳州龙辉科技有限公司 Seed spraying device
CN108093767A (en) * 2017-03-28 2018-06-01 武汉优视科技有限公司 A kind of ejection type feed mechanism for seed and field machinery
CN106948996A (en) * 2017-05-20 2017-07-14 蒋俊 It is a kind of to improve the device that water hammer effect produces kinetic energy
CN107084086A (en) * 2017-05-20 2017-08-22 蒋俊 It is a kind of to strengthen the device that water hammer effect produces kinetic energy
CN108271479A (en) * 2018-01-29 2018-07-13 东北农业大学 Electromagnetic control type pressure flow Dao Zhong mechanisms
CN110337869A (en) * 2018-04-07 2019-10-18 魏金星 A kind of agricultural seeder device
CN109923977A (en) * 2019-03-18 2019-06-25 山东省农业机械科学研究院 Motor-driven simple grain launches seeding apparatus and type of seeding
CN210782033U (en) * 2019-09-05 2020-06-19 镇江立昌智能装备有限公司 Seeding equipment with gravity control function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114716027A (en) * 2022-05-06 2022-07-08 深圳市翠绿洲环境艺术有限公司 Ecological remediation device based on damaged coastal wetland

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