CN106576562B - Multifunctional mulching film recycling machine integrating water and fertilizer - Google Patents
Multifunctional mulching film recycling machine integrating water and fertilizer Download PDFInfo
- Publication number
- CN106576562B CN106576562B CN201710035090.1A CN201710035090A CN106576562B CN 106576562 B CN106576562 B CN 106576562B CN 201710035090 A CN201710035090 A CN 201710035090A CN 106576562 B CN106576562 B CN 106576562B
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- film
- water
- fertilizer
- frame
- recycling machine
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B43/00—Gatherers for removing stones, undesirable roots or the like from the soil, e.g. tractor-drawn rakes
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/09—Watering arrangements making use of movable installations on wheels or the like
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a multifunctional mulching film recycling machine integrating water and fertilizer, which comprises a frame, wheels and a driving mechanism, wherein a water and fertilizer integrated spraying system and a film rolling mechanism are arranged on the frame; meanwhile, a slideway is vertically arranged on the frame, a sliding rod is arranged in the slideway in a matching way, and a locking bolt is arranged; the lower end of the sliding rod is provided with a film picking mechanism. The invention can extend into a plurality of furrows and walk along the furrows to collect films. Is particularly suitable for the mode of planting in ridges and furrows, and is particularly suitable for recycling the tobacco mulching film. Reduces land pollution and maintains sustainable development of tobacco leaf production. Can recover the whole film without the problem of film corrosion residue. The multifunctional fertilizer collector integrates fertilization, water supplementing and film collecting, and can realize multifunctional operation. The film picking mechanism can be height-adjustable, so that the film picking mechanism can be adjusted and used according to specific application conditions.
Description
Technical Field
The invention relates to the technical field of tobacco planting mulch recycling equipment, in particular to a water and fertilizer integrated multifunctional mulch recycling machine.
Background
Plastic film mulching cultivation starts in the southern rainy region of japan. After the technology is automatically transferred into China, the technology is greatly popularized in tobacco agricultural production, and according to incomplete statistics, the coverage area of a tobacco mulching film in China accounts for about 70% of the total tobacco planting area so far, and the technology has been developed into an important technical measure for tobacco cultivation. The beneficial and some adverse effects of plastic film mulching in tobacco leaf production are mainly described, and how plastic film mulching measures should be reasonably utilized in tobacco leaf field production to improve tobacco leaf production quality is proposed.
The plastic film mulching cultivation has the following advantages:
first, thermal insulation effects. After the ridge body is covered by the plastic film, the plastic film blocks the long wave radiation and heat convection of the soil in the ridge body, so that the balance of water evaporation in the soil and condensation and heat release of water drops under the plastic film is maintained, the heat dissipation is reduced, and the heat preservation effect is realized.
Second, water storage and soil moisture conservation effects. On one hand, the plastic film mulching limits the evaporation of soil moisture, and the evaporated moisture is condensed into water drops which return to the soil, so that the loss of the soil moisture is reduced; on the other hand, the mulching film prevents a large amount of rainwater from entering the soil during rainfall, keeps the stability of the relative content of the soil moisture, and creates a good environment for the growth of tobacco plants.
Thirdly, improving physical and chemical properties of soil and improving nutrient conditions of the soil. The plastic film mulching is beneficial to alleviating the phenomenon that soil is hardened and the volume weight is changed due to rain wash, and the loose state of the soil is maintained. In addition, as the plastic film mulching improves the temperature and the moisture content of the soil, the plastic film mulching is more beneficial to the decomposition and the conversion of soil and fertilizer nutrients, and improves the availability of the soil nutrients.
Fourth, it can effectively prevent and treat some diseases and insect pests and weeds. The adoption of plastic film mulching changes the microenvironment of soil, and effectively controls the infectious sources and the transmission paths of diseases.
Fifth, it can promote tobacco growth and development and increase economic yield. The plastic film mulching improves the soil environment, is beneficial to the growth of tobacco plant root systems for underground parts, and can improve the tobacco leaf yield by faster growth of tobacco plants in the earlier stage for overground parts.
However, the degradable film is unwilling to accept by farmers because of higher cost, so the agricultural film used by the degradable film is mainly a common PVC plastic film, and can cause serious pollution to soil because of being incapable of degrading, sometimes prevent the growth of seedling root systems, isolate moisture, lead seedlings to wither and die when serious, lead to resource waste because plastic film residual films are thrown in the field, and especially lead to unclean recovery of the residual films because of the poor recovery effect of the residual films of the mulching film recovery machine in the prior art.
At present, most of domestic mulch recycling machines can only complete recycling of residual mulch paved on the ground surface, and the mulch collected by the mode is relatively dispersed, low in net picking rate and easy to cause the problems of difficult film clamping and stripping and the like. The existing residual film recycling machine is large in size, complex in structure and high in cost, and is especially not suitable for film collection of tobacco mulching films. In the film laying process of tobacco, the situation of ridges and furrows exists, and after the film is laid on the ridges, the two sides of the film need to be covered with soil to be pressed. In addition, the agricultural films buried in the soil at the two sides of the ridge cannot be recovered by the existing residual film recovery machine. The cleaning work after the ridge type film laying can only be carried out manually, and the labor intensity is high.
The main reason for the lack of the ridging and film collecting machine is that the recovery difficulty of the mulching film in the seedling stage of the tobacco field is high. The main technical difficulty is that the depth of the tobacco planting furrows is large (the depth is 200-250 mm), the slope angle of the furrows is large (the included angle between the furrow slope and the horizontal line is 25-37 degrees), the existing film picking mechanism is operated by rotating the horizontal shaft, and profiling film picking cannot be realized.
In addition, in a large-scale tobacco field planting base, the planting structures of the tobacco Tian Delong and the furrows are not beneficial to large-scale mechanical entering operation, so that the labor participation degree is high in the water and fertilizer supplementing process, and the labor capacity is high.
Disclosure of Invention
Aiming at the problems that the existing mulching film recycling machine is not suitable for the film collecting function between ridges and the problem that the existing mulching film recycling machine is not suitable for large-scale water and fertilizer machines to enter into operation in tobacco fields, the invention provides the water and fertilizer integrated multifunctional mulching film recycling machine which can collect films in a period of low mulching film breakage rate, can recycle the whole films and has no film corrosion residue.
The following technical scheme is adopted for achieving the purposes: the multifunctional mulching film recycling machine comprises a frame, wheels and a driving mechanism, wherein a water and fertilizer integrated spraying system and a film rolling mechanism are arranged on the frame; meanwhile, a slideway is vertically arranged on the frame, a sliding rod is arranged in the slideway in a matching way, and a locking bolt is arranged; the lower end of the sliding rod is provided with a horizontal rotating shaft through a bearing, and the two ends of the rotating shaft are respectively sleeved with a shaft sleeve; a self-adjusting spring is connected between the fixed ring of the bearing and the shaft sleeve; and a film-picking supporting plate is fixed on the outer side of the shaft sleeve, and film-picking teeth are arranged on the edge of the film-picking supporting plate.
The film-picking supporting plates are obliquely fixed on the outer side of the shaft sleeve, and the film-picking supporting plates positioned on two sides of the bearing are of an eight-shaped symmetrical structure.
The water and fertilizer integrated spraying system comprises a water tank, a fertilizer tank and a mixing tank, wherein the water tank and the fertilizer tank are arranged on a frame, the water tank is communicated with the mixing tank through a pipeline, a valve and a water pump, and the fertilizer tank is communicated with the mixing tank through the pipeline and the valve. The bottom of the mixing box is connected with a liquid outlet pipe, the tail end of the liquid outlet pipe is connected with a drain pipe, and water outlet holes are uniformly distributed on the drain pipe.
The mixing box is internally provided with a mixer, the mixer comprises a cylindrical body, the cylindrical body is sealed up and down, liquid discharge holes are uniformly distributed on the side wall of the cylindrical body, the tail end of a pipeline from the fertilizer box is connected to the upper part of the inner cavity of the cylindrical body, the pipeline from the outlet of the water pump is connected to the bottom of the cylindrical body, a spray head is arranged, and the liquid outlet pipe is communicated to the bottom of the mixing box and is far away from the mixer.
The rear end of the frame is provided with a support rod with an adjustable tilt angle, which is used for supporting the liquid outlet pipe and the drain pipe and adjusting the height of the drain pipe.
Legs are arranged at four corners of at least the lower part of the frame, and the lower parts of the legs are sleeved in Y-shaped sleeves; the leg is provided with a baffle table which is supported at the upper port of the Y-shaped sleeve; a locking bolt or a locking pin is arranged at the connecting position of the Y-shaped sleeve and the leg; and a motor wheel or a follower wheel is arranged below the Y-shaped sleeve. The outside of the Y-shaped sleeve is provided with a direction adjusting handle.
The film winding mechanism comprises a film winding motor and a film winding roller, wherein the shaft of the film winding roller is arranged on the frame through a bearing, and the rotating shaft of the film winding motor is in transmission connection with the shaft of the film winding roller.
The film winding roller is positioned at the rear side of the gap between two adjacent follower wheels. A soil retaining plate is arranged below the film winding roller.
The follower wheel adopts the structural mode of a universal wheel.
The beneficial effects are that: 1. the invention relates to a small-sized tobacco field seedling stage mulching film recycling machine which is economical and practical and suitable for a tobacco planting mode, and can penetrate into a plurality of furrows and walk along the furrows to collect films. Is particularly suitable for the mode of planting in ridges and furrows, and is particularly suitable for recycling the tobacco mulching film. Reduces land pollution and maintains sustainable development of tobacco leaf production.
2. The multifunctional fertilizer collector integrates fertilization, water supplementing and film collecting, and can realize multifunctional operation. The film picking mechanism can be height-adjustable, so that the film picking mechanism can be adjusted and used according to specific application conditions.
3. The invention can collect the film in the period of low film breakage rate (less than 5%), can recover the whole film, and has no problem of film residue.
4. The recycling film has high recycling degree and is convenient for recycling resources.
5. The invention has the self-walking function, and the structure is simplified without large traction machinery entering the ground, thereby being suitable for recycling the mulching films of the ridge and furrow crops.
Drawings
FIG. 1 is a schematic side elevational view of the present invention;
FIG. 2 is a schematic view of a film take-up mechanism of the mulch film recycling machine of the present invention;
FIG. 3 is a schematic view of the A-A structure of FIG. 1;
FIG. 4 is a schematic view of the B-B direction structure of FIG. 3;
FIG. 5 is a schematic view of the structure of FIG. 1 in the direction C;
fig. 6 is a schematic view of the internal structure of the mixing box.
In the figure, reference numeral 1 is a frame, 2 is a leg, 3 is a Y-shaped sleeve, 4 is a motor wheel, 5 is a follower wheel, 6 is a film picking supporting disk, 7 is a film picking tooth, 8 is a film winding roller, 9 is a film winding motor, 10 is a driving wheel, 11 is a driven wheel, 14 is a locking bolt, 15 is a direction adjusting handle, 16 is a retaining plate, 18 is a ridge, 19 is a furrow, 20 is a follower wheel shaft, 21 is a self-adjusting spring, 22 is a shaft sleeve, 23 is a film winding roller shaft, 24 is a slideway, 25 is a slide bar, 26 is a locking bolt, 27 is a water tank, 28 is a fertilizer tank bracket, 29 is a fertilizer tank, 30 is a mixing tank, 31 is a water pump, 32 is a fertilizer tank pipeline, 33 is a water tank pipeline, 34 is a water outlet pipe, 35 is a water outlet, 36 is a supporting rod, 38 is a fixed buckle, 39 is a cylinder, 40 is a liquid discharging hole, and 41 is a spray nozzle.
Detailed Description
Referring to the multifunctional mulching film recycling machine with integrated water and fertilizer in fig. 1, the self-walking type design of the motor wheel 4 is adopted, large traction machinery is not needed, and therefore the multifunctional mulching film recycling machine is suitable for recycling mulching films of crops in ridges and furrows, can penetrate into a plurality of furrows, can collect films along the walking of the furrows, can collect films entirely, and does not have the problem of film corrosion residue.
The water and fertilizer integrated spraying system comprises a water tank 27 and a fertilizer tank 29 which are arranged on the frame, and a mixing tank 30. The water tank 27 is communicated with the mixing box 30 through a pipeline, a valve and a water pump 31, and the fertilizer box 29 is communicated with the mixing box 30 through a pipeline and a valve. The bottom of the mixing box 30 is connected with a liquid outlet pipe 34, the tail end of the liquid outlet pipe 34 is connected with a water outlet pipe 35, and water outlet holes are uniformly distributed on the water outlet pipe 35.
Referring to fig. 6, a mixer is disposed in the mixing tank 30, the mixer includes a cylindrical body 39, the cylindrical body 39 is sealed up and down, drain holes 40 are uniformly distributed on the side wall, the end of a pipeline from the fertilizer tank 29 is connected to the upper part of the inner cavity of the cylindrical body 39, the pipeline from the outlet of the water pump 31 is connected to the bottom of the cylindrical body 39, a spray nozzle 41 is disposed, and the drain pipe 34 is communicated with the bottom of the mixing tank 30 and is far away from the mixer.
The support rod with the inclination adjustable swing angle is arranged at the rear end of the frame and is used for supporting the liquid outlet pipe 34 and the water outlet pipe 35 and adjusting the height of the water outlet pipe 35.
The frame 1 is of a steel frame structure, and is internally provided with a film winding motor 9, a film winding roller 8, a storage battery and a controller. The steel frame may be closed and appearance treated with steel plates.
In order to improve the stability of the frame 1 and the film collecting efficiency, as shown in fig. 2, the frame 1 can be widened to adapt to multi-ridge simultaneous film collecting, and a plurality of coaxial film collecting rollers 8 are arranged in parallel. The film winding roller 8 is positioned at the rear side of the gap between the two adjacent follower wheels 5. A soil blocking plate 16 is provided below the film winding roller 8. The shaft of the film winding roller 8 is arranged on the frame 1 through a bearing, and the rotating shaft of the film winding motor 9 is in transmission connection with the shaft of the film winding roller 8.
Legs are arranged at four corners below the frame 1, and the bottoms of the legs are sleeved in Y-shaped sleeves 3; the leg 2 is provided with a baffle 13, and the baffle 13 is supported on the upper port of the Y-shaped sleeve 3; a lock bolt 14 is provided at the connection position of the Y-shaped sleeve 3 to the leg portion 2. The lower end of the Y-shaped sleeve 3 is provided with a shaft hole or a shaft groove, and the rotating shaft of the motor wheel 4 or the follower wheel 5 is arranged in the shaft hole or the shaft groove.
Further, a direction adjustment handle 15 is provided outside the Y-shaped sleeve 3. After the locking bolt 14 is loosened, the Y-shaped sleeve 3 can carry the motor wheel 4 or the follower wheel 5 to rotate, the rotation angle is controlled by adjusting the handle, and the locking bolt 14 is fixed after the rotation angle is adjusted to a proper angle. The purpose of this design is to facilitate the turning of the frame 1 back.
Referring to fig. 3, a slide 24 is vertically arranged on the frame, a slide bar 25 is arranged in the slide 24 in a matching way, and a locking bolt 26 is arranged; the lower end of the sliding rod 25 is provided with a horizontal rotating shaft 20 through a bearing, and the two ends of the rotating shaft 20 are respectively sleeved with a shaft sleeve 22; a self-adjusting spring 21 is connected between the fixed ring of the bearing 20 and the shaft sleeve 22; the outer side of the shaft sleeve 22 is fixedly provided with a film-picking supporting plate 6, and the edge of the film-picking supporting plate 6 is provided with film-picking teeth 7. Referring to fig. 4, the film-picking supporting plate 6 is obliquely fixed on the outer side of the shaft sleeve, and the film-picking supporting plates 6 positioned on two sides of the bearing are in an splayed symmetrical structure.
The follower wheel 5 can be in a universal wheel structure mode, and can be automatically adjusted according to the advancing direction, and at the moment, the advancing direction is preferably controlled manually.
Structural relationship of the motor wheel 4 referring to fig. 5, the motor wheel 4 is a driving wheel for the movement of the frame 1. At least one of the plurality of wheels located in the rear row of the frame 1 is a motor wheel 4, the other is a follower wheel 5, or all of the wheels are motor wheels 4.
Claims (7)
1. The utility model provides a multi-functional plastic film recycling machine of liquid manure integration, includes frame, wheel and actuating mechanism, sets up liquid manure integration sprinkler system on the frame to and roll up membrane mechanism, characterized by: the wheels of the frame comprise motor wheels and follower wheels, and are provided with storage batteries and a controller; meanwhile, a slideway is vertically arranged on the frame, a sliding rod is arranged in the slideway in a matching way, and a locking bolt is arranged; the lower end of the sliding rod is provided with a horizontal rotating shaft through a bearing, and the two ends of the rotating shaft are respectively sleeved with a shaft sleeve; a self-adjusting spring is connected between the fixed ring of the bearing and the shaft sleeve; a film-picking supporting plate is fixed on the outer side of the shaft sleeve, and film-picking teeth are arranged on the edge of the film-picking supporting plate; the film-picking supporting plates are obliquely fixed on the outer side of the shaft sleeve, and the film-picking supporting plates positioned on the two sides of the bearing are of an eight-shaped symmetrical structure; the film winding mechanism comprises a film winding motor and a film winding roller, wherein the shaft of the film winding roller is arranged on the frame through a bearing, and the rotating shaft of the film winding motor is in transmission connection with the shaft of the film winding roller; the film winding roller is positioned at the rear side of the gap between two adjacent follower wheels; a soil retaining plate is arranged below the film winding roller.
2. The water and fertilizer integrated multifunctional mulching film recycling machine according to claim 1, characterized in that: the water and fertilizer integrated spraying system comprises a water tank, a fertilizer tank and a mixing tank, wherein the water tank and the fertilizer tank are arranged on a frame, the water tank is communicated with the mixing tank through a pipeline, a valve and a water pump, and the fertilizer tank is communicated with the mixing tank through the pipeline and the valve.
3. The water and fertilizer integrated multifunctional mulching film recycling machine according to claim 2, characterized in that: the bottom of the mixing box is connected with a liquid outlet pipe, the tail end of the liquid outlet pipe is connected with a drain pipe, and water outlet holes are uniformly distributed on the drain pipe.
4. The water and fertilizer integrated multifunctional mulching film recycling machine according to claim 3, characterized in that: the mixing box is internally provided with a mixer, the mixer comprises a cylindrical body, the cylindrical body is sealed up and down, liquid discharge holes are uniformly distributed on the side wall of the cylindrical body, the tail end of a pipeline from the fertilizer box is connected to the upper part of the inner cavity of the cylindrical body, the pipeline from the outlet of the water pump is connected to the bottom of the cylindrical body, a spray head is arranged, and the liquid outlet pipe is communicated to the bottom of the mixing box and is far away from the mixer.
5. The water and fertilizer integrated multifunctional mulching film recycling machine according to claim 1, characterized in that: the rear end of the frame is provided with a support rod with an adjustable tilt angle, which is used for supporting the liquid outlet pipe and the drain pipe and adjusting the height of the drain pipe.
6. The water and fertilizer integrated multifunctional mulching film recycling machine according to claim 1, characterized in that: legs are arranged at four corners of at least the lower part of the frame, and the lower parts of the legs are sleeved in Y-shaped sleeves; the leg is provided with a baffle table which is supported at the upper port of the Y-shaped sleeve; a locking bolt or a locking pin is arranged at the connecting position of the Y-shaped sleeve and the leg; and a motor wheel or a follower wheel is arranged below the Y-shaped sleeve.
7. The water and fertilizer integrated multifunctional mulching film recycling machine according to claim 6, characterized in that: the outside of the Y-shaped sleeve is provided with a direction adjusting handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035090.1A CN106576562B (en) | 2017-01-18 | 2017-01-18 | Multifunctional mulching film recycling machine integrating water and fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035090.1A CN106576562B (en) | 2017-01-18 | 2017-01-18 | Multifunctional mulching film recycling machine integrating water and fertilizer |
Publications (2)
| Publication Number | Publication Date |
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| CN106576562A CN106576562A (en) | 2017-04-26 |
| CN106576562B true CN106576562B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710035090.1A Active CN106576562B (en) | 2017-01-18 | 2017-01-18 | Multifunctional mulching film recycling machine integrating water and fertilizer |
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| CN (1) | CN106576562B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107251680B (en) * | 2017-05-31 | 2023-12-05 | 祐樘(南京)软件科技有限公司 | Mulch recycling device with adjusting and positioning functions |
| CN107214000B (en) * | 2017-07-26 | 2019-12-03 | 利辛县众善医药科技有限公司 | A kind of automobile-used spray head of water sprinkling path |
| CN108401758A (en) * | 2018-05-31 | 2018-08-17 | 甘肃洮河拖拉机制造有限公司 | A kind of novel high-efficiency environment friendly film roll picks up machine |
| CN110603942B (en) * | 2019-10-12 | 2020-11-13 | 山东轻工职业学院 | Energy-concerving and environment-protective multi-functional vegetation is planted and is used watering device |
| CN111167775B (en) * | 2020-02-27 | 2021-04-30 | 湖南省烟草公司永州市公司 | Tobacco leaf cleaning device |
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| KR100591484B1 (en) * | 2006-03-31 | 2006-06-21 | 김완수 | Retracted type used vinyl film remover |
| CN201383931Y (en) * | 2009-03-16 | 2010-01-20 | 宁夏大学 | Precise water and fertilizer integrated machine |
| CN204291758U (en) * | 2014-11-17 | 2015-04-29 | 塔里木大学 | Partition type incomplete film-recovering machine |
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| CN106576562A (en) | 2017-04-26 |
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