CN113906982A - A drip irrigation device under membrane for saline and alkaline land improvement - Google Patents

A drip irrigation device under membrane for saline and alkaline land improvement Download PDF

Info

Publication number
CN113906982A
CN113906982A CN202111289680.XA CN202111289680A CN113906982A CN 113906982 A CN113906982 A CN 113906982A CN 202111289680 A CN202111289680 A CN 202111289680A CN 113906982 A CN113906982 A CN 113906982A
Authority
CN
China
Prior art keywords
drip irrigation
pivot
block
saline
friction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111289680.XA
Other languages
Chinese (zh)
Other versions
CN113906982B (en
Inventor
李东伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Farmland Irrigation Research Institute of CAAS
Original Assignee
Farmland Irrigation Research Institute of CAAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Farmland Irrigation Research Institute of CAAS filed Critical Farmland Irrigation Research Institute of CAAS
Priority to CN202111289680.XA priority Critical patent/CN113906982B/en
Publication of CN113906982A publication Critical patent/CN113906982A/en
Application granted granted Critical
Publication of CN113906982B publication Critical patent/CN113906982B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • A01G25/026Apparatus or processes for fitting the drippers to the hoses or the pipes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The invention belongs to the technical field of drip irrigation under a film, and particularly relates to a drip irrigation device under the film for improving saline-alkali soil.

Description

A drip irrigation device under membrane for saline and alkaline land improvement
Technical Field
The invention belongs to the technical field of drip irrigation under a film, and particularly relates to a drip irrigation device under a film for improving saline-alkali soil.
Background
The drip irrigation technology under the film is to apply the drip irrigation technology under the film, namely, a layer of mulching film is covered on a drip irrigation belt or a drip irrigation capillary. The technology is that water is supplied through a controllable pipeline system, pressurized water is filtered and cleaned through a filtering facility and then is fully fused with water-soluble fertilizer to form a fertilizer water solution, the fertilizer water solution enters a water delivery main pipe, branch pipes and capillary pipes (an irrigation belt laid below a mulching film), and then a water dropper on the capillary pipes uniformly, regularly and quantitatively infiltrates a crop root system development area drop by drop for the root system to absorb, so that the leakage and loss of water are reduced to the minimum, meanwhile, the water required by the crop root area can be supplied timely, the loss problem of peripheral water is avoided, and the utilization efficiency of the water is greatly improved.
The premise of realizing the drip irrigation under the mulch film is the laying of drip irrigation pipes and mulch films, the traditional drip irrigation pipe laying device under the mulch film has a complex structure, generally, a motor is used for driving equipment to work in an area where drip irrigation pipes under the mulch film need to be laid, but the walking speed of the traditional drip irrigation pipe laying device under the mulch film is not easy to control, a rotating shaft for installing drip irrigation is frequently suddenly stalled, namely, the rotating shaft is accelerated to rotate, so that drip irrigation or mulch films are accumulated on the ground, and the laying is interfered, and the mulch films need to be manually additionally subjected to soil taking and edge pressing after being laid, so that the mulch films are prevented from being blown by wind, a large burden is caused to operators, and the efficiency is low, Chinese patent CN208768652U discloses a drip irrigation pipe laying device under the mulch film, wherein a user uses equipment to lay the pipes under the mulch film through a first gear arranged on a movable wheel and a second gear arranged on a line roller, the user lifts up the promotion and pushes away the handle, and equipment passes through the movable wheel and removes, and first gear on the movable wheel passes through the second gear drive line roller on the line roller and rotates, and the rotational speed of line roller is unified with the rotation of movable wheel completely, and the walking distance of movable wheel is equivalent with the length that drip irrigation pipeline extracted, and equipment can not make at the during operation drip irrigation pipeline and drop or tensile fracture, but a problem has been ignored to this patent: the winding of the drip irrigation pipe on the line roller is from inside to outside, the winding perimeter of the drip irrigation pipe is gradually increased, the falling length of the drip irrigation pipe is gradually reduced in the rotating process of the line roller, the movable wheels rotate the same distance, and the length of the drip irrigation pipe is not enough to finish the laying of the distance, so that the laying task cannot be finished.
The invention provides a membrane drip irrigation device for saline-alkali soil improvement, which effectively solves the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a drip irrigation device under a film for improving saline-alkali soil, and solves the background technical problem.
The specific technical scheme is as follows:
the utility model provides a drip irrigation device under membrane for saline and alkaline land improvement, a serial communication port, rotate the interval including being used for pipe laying's support and install two pivots, two pivots bear burette and plastic film respectively, and every pivot one end all is equipped with carousel and deviates from pivot one end and is equipped with a plurality of gliding sliders of its diameter direction of edge, rotate on the slider and install and shake the pendulum, the slider once is connected with through the stay cord towards the carousel axle center with the carousel towards pivot one end sliding fit's clutch, the cover is inherent in the pivot and clutch complex friction pulley, the clutch once is connected with spacing spring between and the carousel towards the pivot, be equipped with on the carousel with pivot complex second grade buffer.
Preferably, second grade buffer includes and just is located the drive block under the clutch blocks with carousel sliding fit, be connected with buffer spring and stay cord between drive block and the clutch blocks and pass the clutch blocks and be connected with the drive block, the drive block is kept away from carousel one end and is equipped with the location awl towards the pivot axle center and the interval is equipped with a plurality of and location awl complex locating holes in the pivot.
Preferably, the carousel deviates from pivot one end and is equipped with a plurality of spouts towards the axle center, and the slider slides in the spout, the spout is equipped with the C shape hole with the through-hole intercommunication towards carousel axle center one side and is equipped with in the pivot, and the stay cord passes friction ring, clutch blocks and is connected with the drive block after through-hole and C shape hole.
Preferably, the elastic force of the buffer spring is larger than that of the limiting spring.
Preferably, the lower ends of the two sides of the bracket are respectively provided with a compaction device for compacting the two side edges of the mulching film;
the compaction device comprises an inclined channel fixedly mounted at the lower end of the support and a conical opening is formed in the entrance of the channel, a conveying belt is arranged on the channel, the channel is located at the tail end of the conveying belt and is provided with a slope facing the periphery of the support, and a discharging opening is formed in the lower end of the slope.
Preferably, a partition plate can be arranged between the two rotating shafts, so that interference between the dropper and a mulching film during laying is avoided.
The invention has the beneficial effects that: according to the invention, the swinging hammer is driven to generate a larger centrifugal force through the rapid rotation when the rotating shaft stalls, so that the sliding block is driven to move, the driving block is driven to move through the pull rope, the friction block is attached to the friction ring, the rotating shaft is forced to decelerate, the phenomenon that drip irrigation or mulching films are accumulated on the ground due to the overhigh speed of the rotating shaft is avoided, if the friction force generated by the attachment of the friction block and the friction ring is not enough to decelerate the rotating shaft, the sliding block continues to move in the direction of the outer circular surface of the net turntable, the positioning cone is driven to be inserted into the positioning hole, the rotating shaft is braked, and the phenomenon that the drip irrigation or the mulching films are accumulated on the ground due to the sudden stall of the rotating shaft for installing the drip irrigation is avoided, so that the laying interference is caused;
according to the invention, the two sides of the lower end of the bracket are respectively provided with the channel for conveying the clods, and the clods enter the channels and then pass through the slope to fall to the two sides of the mulching film from the feed opening, so that the mulching film is prevented from being lifted by wind.
Drawings
Fig. 1 is a perspective view of the stent of the present invention.
Fig. 2 is a schematic view of the front view of the turntable assembly of the present invention.
Fig. 3 is a schematic cross-sectional view of fig. 2 of the present invention.
Fig. 4 is a partial schematic view of the invention at a in fig. 3.
Fig. 5 is a rear view schematic of fig. 2 of the present invention.
FIG. 6 is a cut-away perspective view of the angled tunnel of the present invention.
In the figure, 1. a rotating disc; 2. a rotating shaft; 3. a chute; 4. a slider; 5. swinging a pendulum bob; 6. pulling a rope; a C-shaped well; 8. a drive block; 9. a buffer spring; 10. a limiting spring; 11. a friction block; 12. a friction ring; 13. positioning a cone; 14. positioning holes; 15. a support; 16. a channel; 17. a slope; 18. and (4) a feed opening.
Detailed Description
The foregoing and other aspects, features and advantages of the present invention will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings, which is set forth in part in the accompanying drawings of fig. 1-6. The following examples are given to illustrate the structures and to be referred to in the drawings.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
In order to solve the problems in the prior art, the invention provides a laying device of a drip irrigation device under a film for improving saline-alkali soil, which comprises a bracket 15 for laying a pipeline, wherein two rotating shafts 2 which are parallel to each other are arranged on the bracket 15 in a rotating mode at intervals, the rotating shaft 2 above the bracket 2 bears a mulching film, the rotating shaft 2 below the bracket 2 bears a drip pipe, the two rotating shafts 2 are arranged at intervals in a vertical mode so as to facilitate the extension of the drip pipe and the extension end of the mulching film, the two ends of each rotating shaft 2 extend out of the bracket 15, each end of the rotating shaft 2 is fixedly sleeved with a rotating disc 1, one end, away from the rotating shaft 2, of the rotating disc 1 is provided with a plurality of sliding grooves 3 facing to the axis, a sliding block 4 is arranged in each sliding groove 3 in a sliding mode, the upper end of each sliding block 4 is rotatably provided with a swinging pendulum mass 5, the mass of each sliding block 4 is increased through the swinging pendulum mass 5 and is used for expanding the centrifugal force when the rotating shaft 2 rotates, one side, of each sliding groove 3 facing the rotating disc 1 is provided with a through hole, and the rotating shaft 2 is provided with a C7 communicated with the through hole, a driving block 8 is slidably mounted at one end of the rotary table 1 facing the rotary shaft 2 along the diameter direction of the rotary table 1, a positioning cone 13 facing the axis of the rotary shaft 2 is arranged at one end of the driving block 8 away from the rotary table 1, a plurality of positioning holes 14 matched with the positioning cones 13 are arranged at intervals on the outer circumferential surface of the rotary shaft 2, friction blocks 11 corresponding to the driving blocks 8 one by one are arranged on the rotary table 1, a plurality of friction blocks 11 respectively slide along the same rail with one driving block 8, a buffer spring 9 is fixedly connected at one end of each friction block 11 away from the rotary shaft 2, the other end of each buffer spring 9 is fixedly connected with one end of each driving block 8 facing the rotary shaft 2, a limit spring 10 is fixedly linked at one end of each friction block 11 facing the rotary shaft 2, the other end of each limit spring 10 is fixedly connected with the rotary table 1, a friction ring 12 corresponding to the friction block 11 is fixedly mounted on the outer circumferential surface of the rotary shaft 2, and a pull rope 6 is fixedly connected at one end of each slide block 4 facing the axis of the rotary table 1, the pull rope 6 passes through the through hole and the C-shaped hole 7, then passes through the friction ring 12 and the friction block 11, and then is fixedly connected with the driving block 8.
In the embodiment, the elastic force of the buffer spring 9 is greater than that of the limiting spring 10, so that the positioning cone 13 is inserted into the positioning hole 14 after the friction block 11 is contacted with the friction ring 12.
In this embodiment, the support 15 is removably mounted to a cart, which is electrically or hydraulically powered.
The specific implementation process of the embodiment:
the dropper and the mulching film are respectively arranged on the rotating shaft 2, the bracket 15 is arranged on the plate trailer, one end of the dropper and one end of the mulching film are fixed at the laying starting end of a drip irrigation area, the dropper and the mulching film are respectively stretched along with the movement of the plate trailer to drive the rotating shaft 2 to rotate, if the rotating shaft 2 rotates stably, the swinging hammer 5 swings in a small amplitude, when the rotating shaft 2 rotates at the highest speed, the rotating disc 1 is driven to rotate rapidly along with the rotating shaft, under the action of centrifugal force, the swinging hammer 5 drives the sliding block 4 to move towards the outer circular surface of the rotating disc 1, the moving distance of the sliding block 4 is larger along with the increase of the rotating speed of the rotating shaft 2, when the sliding block 4 moves, the pull rope 6 can drive the driving block 8 to move along the axis direction of the net rotating disc 1, the buffer spring 9 pushes the friction block 11 to move along with the friction block 11, when the friction block 11 is in contact with the friction ring 12, the rotating speed of the rotating shaft 2 is controlled by the friction between the friction block 11 and the friction ring 12, when the rotating speed of the rotating shaft 2 is reduced, the generated centrifugal force is reduced, under the action of the buffer spring 9, the friction block 11 is separated from the friction ring 12, the friction block 11 is stopped, the friction ring 12 limits the rotating speed of the rotating shaft 2, the friction block 11 is separated from the friction ring 12, when the friction block 11 is in contact with the friction ring 12, and the friction force between the friction block 11 and the friction ring 12 still cannot limit the rotating speed of the rotating shaft 2, under the action of the centrifugal force, the sliding block 4 continues to move towards the direction of the outer circular surface of the rotating disc 1, the driving block 8 is driven to continue to move towards the axis of the rotating disc 1 until the positioning cone 13 is meshed with the positioning hole 14, the rotating shaft 2 is locked, the rotating shaft 2 stops rotating, the swinging pendulum bob 5 stops swinging, the limiting spring 10 is reset with the buffer spring 9, and the sliding block 4 is driven to reset through the pull rope 6.
Embodiment 2, support 15 both sides lower extreme all is equipped with the compaction device that is used for compacting plastic film both sides limit, the compaction device includes that fixed mounting is at the slope passageway 16 of support 15 lower extreme, and the entrance of passageway 16 is the bell mouth, is convenient for prick into the soil layer, be equipped with the conveyer belt on the passageway 16 for the conveying of soil block, and passageway 16 is located the conveyer belt end and is equipped with the slope 17 towards support 15 inboard, and slope 17 lower extreme is equipped with feed opening 18, and two feed openings 18 are located the top on plastic film both sides limit.
The specific use process of the embodiment is as follows:
during the movement of the plate trailer, the conical opening of the channel 16 penetrates into the soil layer, soil is forced to enter the channel 16, soil blocks are transferred to the slope 17 under the action of the conveyor belt, and then the soil blocks are dropped from the feed opening 18 to two side edges of the mulching film to compact the mulching film.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a drip irrigation device under membrane for saline and alkaline land improvement, its characterized in that, including support (15) and support (15) that are used for the pipeline to lay and go up the interval and rotate and install two pivot (2), two pivot (2) bear burette and plastic film respectively, every pivot (2) one end all is equipped with carousel (1) and deviates from pivot (2) one end and is equipped with a plurality of gliding sliders (4) of its diametric (al) of edge, it shakes pendulum (5) to rotate to install on slider (4), slider (4) once are connected with through stay cord (6) towards carousel (1) axle center and are connected with carousel (1) towards pivot (2) one end sliding fit's clutch blocks (11), pivot (2) upper shield is inherent with clutch blocks (11) complex friction circle (12), friction block (11) are connected with spacing spring (10) towards between pivot (2) one end and carousel (1), and a secondary buffer device matched with the rotating shaft (2) is arranged on the rotating disc (1).
2. The under-film drip irrigation device for saline-alkali soil improvement according to claim 1, characterized in that the secondary buffer device comprises a driving block (8) which is in sliding fit with the rotary table (1) and is positioned under the friction block (11), a buffer spring (9) and a pull rope (6) are connected between the driving block (8) and the friction block (11) and penetrate through the friction block (11) to be connected with the driving block (8), one end of the driving block (8) far away from the rotary table (1) is provided with a positioning cone (13) facing the axis of the rotary shaft (2) and a plurality of positioning holes (14) matched with the positioning cone (13) are arranged on the rotary shaft (2) at intervals.
3. The under-film drip irrigation device for improving the saline-alkali soil according to claim 2, wherein the turntable (1) is provided with a plurality of chutes (3) towards the axis away from one end of the rotating shaft (2), the sliding block (4) slides in the chutes (3), the chutes (3) are provided with through holes towards one side of the axis of the turntable (1) and are provided with C-shaped holes (7) communicated with the through holes on the rotating shaft (2), and the pull rope (6) passes through the through holes and the C-shaped holes (7) and then passes through the friction ring (12), the friction block (11) and the driving block (8) to be connected.
4. The under-mulch drip irrigation device for saline-alkali soil improvement according to claim 2, wherein the elastic force of the buffer spring (9) is larger than that of the limit spring (10).
5. The under-mulch drip irrigation device for improving the saline-alkali soil according to claim 1, wherein the lower ends of the two sides of the bracket (15) are provided with compacting devices for compacting the two sides of the mulch;
the compaction device comprises inclined channels (1) and (6) fixedly mounted at the lower end of a support (15), the inlet of each channel (16) is a conical opening, a conveyor belt is arranged on each channel (16), the channel (16) is located at the tail end of the conveyor belt and is provided with a slope (17) facing the inner side of the support (15), and the lower end of each slope (17) is provided with a discharge opening (18).
CN202111289680.XA 2021-11-02 2021-11-02 A drip irrigation device under membrane for saline and alkaline land improvement Active CN113906982B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111289680.XA CN113906982B (en) 2021-11-02 2021-11-02 A drip irrigation device under membrane for saline and alkaline land improvement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111289680.XA CN113906982B (en) 2021-11-02 2021-11-02 A drip irrigation device under membrane for saline and alkaline land improvement

Publications (2)

Publication Number Publication Date
CN113906982A true CN113906982A (en) 2022-01-11
CN113906982B CN113906982B (en) 2022-09-09

Family

ID=79245078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111289680.XA Active CN113906982B (en) 2021-11-02 2021-11-02 A drip irrigation device under membrane for saline and alkaline land improvement

Country Status (1)

Country Link
CN (1) CN113906982B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB254341A (en) * 1925-06-29 1927-12-28 Frank Anderson Hayes Improvements in and relating to variable speed power transmission mechanism of the friction type
CN105443700A (en) * 2015-12-23 2016-03-30 湖南农业大学 Speed stabilizing device
US20170361136A1 (en) * 2016-06-17 2017-12-21 Fang-Kuan Wu Anti-Falling Device with Rope Retractable System
CN208016556U (en) * 2018-03-19 2018-10-30 宁夏尚禹节水科技有限公司 Under-film drip irrigation band laydown machine
CN109186862A (en) * 2018-10-16 2019-01-11 东莞理工学院 A kind of pendulum automatic balancing arrangement of the high damping of rotating machinery low friction
CN110589706A (en) * 2019-09-05 2019-12-20 厦门语瑶贸易有限公司 Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling
CN212429079U (en) * 2020-06-15 2021-01-29 浙江恒舜建设集团有限公司 A hydraulic turbine stall self-locking structure for power station project
CN112357802A (en) * 2020-10-21 2021-02-12 广州零尚电商贸易有限公司 Safety rope stall automatic speed limiting brake device for window cleaning machine winch
CN214422058U (en) * 2020-12-24 2021-10-19 广东名流建设工程有限公司 Material lifting machine for green building construction
CN214430758U (en) * 2020-08-17 2021-10-22 陕西汉唐农业标准化研究院有限公司 Mulching film and drip irrigation pipeline laying device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB254341A (en) * 1925-06-29 1927-12-28 Frank Anderson Hayes Improvements in and relating to variable speed power transmission mechanism of the friction type
CN105443700A (en) * 2015-12-23 2016-03-30 湖南农业大学 Speed stabilizing device
US20170361136A1 (en) * 2016-06-17 2017-12-21 Fang-Kuan Wu Anti-Falling Device with Rope Retractable System
CN208016556U (en) * 2018-03-19 2018-10-30 宁夏尚禹节水科技有限公司 Under-film drip irrigation band laydown machine
CN109186862A (en) * 2018-10-16 2019-01-11 东莞理工学院 A kind of pendulum automatic balancing arrangement of the high damping of rotating machinery low friction
CN110589706A (en) * 2019-09-05 2019-12-20 厦门语瑶贸易有限公司 Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling
CN212429079U (en) * 2020-06-15 2021-01-29 浙江恒舜建设集团有限公司 A hydraulic turbine stall self-locking structure for power station project
CN214430758U (en) * 2020-08-17 2021-10-22 陕西汉唐农业标准化研究院有限公司 Mulching film and drip irrigation pipeline laying device
CN112357802A (en) * 2020-10-21 2021-02-12 广州零尚电商贸易有限公司 Safety rope stall automatic speed limiting brake device for window cleaning machine winch
CN214422058U (en) * 2020-12-24 2021-10-19 广东名流建设工程有限公司 Material lifting machine for green building construction

Also Published As

Publication number Publication date
CN113906982B (en) 2022-09-09

Similar Documents

Publication Publication Date Title
CN103143149A (en) Automatic tennis ball picking-up device
CN102771249B (en) Mowing machine
CN107409554A (en) Aspirated-air type multifunctional precision seeder and type of seeding for crop breeding experiment
CN207022471U (en) A kind of lower cultivation device of planting garlic
CN112690062B (en) Seedling planting is with integration pit digging machine
CN111357573A (en) Lawn laying device for road greening
CN113906982B (en) A drip irrigation device under membrane for saline and alkaline land improvement
CN109289172A (en) A kind of tennis automatic picking device
CN111877283A (en) Hydraulically-driven ditch garbage intercepting device for hydraulic engineering
CN105519291B (en) A kind of rice shoot cultivation device on rice seedling transplanter
CN207167019U (en) Aspirated-air type multifunctional precision seeder for crop breeding experiment
CN109629492A (en) A kind of sports meeting curtain colour bar collection device
CN211702967U (en) Adjustable equidistant seedling throwing device
CN113692856A (en) Clamping device for automatically picking peanut seedlings
CN204681815U (en) A kind of saline land seeding apparatus
CN109126089B (en) Conveying system applied to tennis ball receiving and dispatching all-in-one machine
CN213073689U (en) Plant wall of green building
CN219762069U (en) Film laying machine for vegetable planting
CN109157820B (en) Installation method of tennis ball receiving and dispatching all-in-one machine
CN201846596U (en) Automatic film paving and bunch planting device
CN109432726B (en) Tennis receiving and dispatching all-in-one machine
CN210505089U (en) Electric micro-spraying tape laying and winding dual-purpose machine
CN219751494U (en) Recovery device of drip irrigation belt
CN214800579U (en) Waste film separation and collection device for field
CN215991921U (en) Nursery is planted and is used novel fertilizer injection unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant