CN110199834A - A kind of agricultural water-saving drip irrigation device - Google Patents

A kind of agricultural water-saving drip irrigation device Download PDF

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Publication number
CN110199834A
CN110199834A CN201910570322.2A CN201910570322A CN110199834A CN 110199834 A CN110199834 A CN 110199834A CN 201910570322 A CN201910570322 A CN 201910570322A CN 110199834 A CN110199834 A CN 110199834A
Authority
CN
China
Prior art keywords
water tank
protective housing
water
fixedly connected
drip irrigation
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
CN201910570322.2A
Other languages
Chinese (zh)
Other versions
CN110199834B (en
Inventor
温敬华
刘小汉
刘运光
朱宪民
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.)
Jiangsu Province Singe Irrigation & Drainage Equipment Co Ltd
Original Assignee
Jiangsu Province Singe Irrigation & Drainage Equipment Co Ltd
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 Jiangsu Province Singe Irrigation & Drainage Equipment Co Ltd filed Critical Jiangsu Province Singe Irrigation & Drainage Equipment Co Ltd
Priority to CN201910570322.2A priority Critical patent/CN110199834B/en
Publication of CN110199834A publication Critical patent/CN110199834A/en
Application granted granted Critical
Publication of CN110199834B publication Critical patent/CN110199834B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A01G25/09Watering arrangements making use of movable installations on wheels or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6423Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/19Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • 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 drip irrigation technique fields, especially a kind of agriculture water-saving drip irrigation device, for a kind of existing agriculture water-saving drip irrigation device, because crops can grow tall in growth, fixed water drenching head can block the growth for doing operation because that can not adjust, and crops it is excessively high when water drenching head the top of crops can not be sprayed, water drenching head is in long-term operation, problem can be blocked there is a situation where leaching head, now propose following scheme, it includes support frame and protection mechanism, the positioned inside of support frame as described above has water tank, and there is stirring rod in water tank, the upper end of the water tank is equipped with inlet, and the upper end of filter screen is mounted with cleaning mechanism, in the present invention, the first electric telescopic rod in protective housing, trickle irrigation head can be drenched to go up and down, so that trickle irrigation leaching head is received to protective housing and is placed, and trickle irrigation can be drenched by brush tube Head is cleared up, so that the trickle irrigation leaching head moment remains unobstructed cleaning.

Description

A kind of agricultural water-saving drip irrigation device
Technical field
The present invention relates to drip irrigation technique field more particularly to a kind of agricultural water-saving drip irrigation devices.
Background technique
Drip irrigation appliance, it is a kind of most effective Water Saving Irrigation Mode of current drought and water-scarce area, and the utilization rate of water is very Height, be avoid waste water resource device trickle irrigation relatively sprinkling irrigation have higher water-saving and yield-increasing effect, while can in conjunction with fertilising, mention One times of high fertilizer efficiency or more is applicable to fruit tree, vegetables, industrial crops and greenhouse and irrigates, in the place of drought and water shortage It can be used for field crop irrigation.
A kind of existing agriculture water-saving drip irrigation device, because crops can grow tall in growth, fixed water drenching head is because of nothing Method, which is adjusted, can block the growth for doing operation, and water drenching head can not spray the top of crops when crops are excessively high, water drenching Head is in long-term operation, it may occur that the case where leaching head blocks.
Summary of the invention
A kind of agriculture water-saving drip irrigation device proposed by the present invention solves a kind of existing agricultural and is filled with water-saving drip irrigation It sets, because crops can grow tall in growth, fixed water drenching head can block the growth for doing operation because that can not adjust, and crops mistake Water drenching head can not spray the top of crops when high, and water drenching head is in long-term operation, it may occur that the feelings of leaching head blocking Condition problem.
To achieve the goals above, present invention employs following technical solutions:
A kind of agriculture water-saving drip irrigation device, including support frame and protection mechanism, the positioned inside of support frame as described above have storage Water tank, and have stirring rod in water tank, the upper end of the water tank is equipped with inlet, and the upper end of inlet is provided with filtering Net, and the upper end of filter screen is mounted with cleaning mechanism, the two sides of the water tank are mounted with elevating mechanism respectively, and water tank Lower end is mounted with protection mechanism, and the inside of the protection mechanism includes protective housing, and the inner wall upper end of protective housing is fixedly connected There is the first electric telescopic rod, the lower end of first electric telescopic rod is connected with supporting plate, and the lower end of supporting plate is fixedly connected with drop Leaching head is filled, the inner wall two sides of the protective housing are connected separately with shaft, and shaft is close to the fixed company in one end of protective housing center line It is connected to brush tube, the side of the protective housing, which is fitting to connection, the first motor, and is fixed between the first motor and shaft Connection, the surface of the brush tube are connected with the second hairbrush, and to be fixedly connected between the second hairbrush and brush tube, the water storage Case side is mounted with the second motor, and is to be fixedly connected between the second motor and stirring rod.
Preferably, the inside of the cleaning mechanism includes support plate, and support plate is close to one end of inlet center line It is fixedly connected with the second electric telescopic rod, and the other side of the second electric telescopic rod is fixedly connected with brush plate, the brush plate Surface be connected with the first hairbrush, and to be fixedly connected between the first hairbrush and brush plate.
Preferably, between the brush plate and filter screen to be flexibly connected, and brush plate by the second electric telescopic rod and Stretching structure is constituted between support plate.
Preferably, the inside of the elevating mechanism includes sliding slot, and constitutes one by fluting between sliding slot and support frame Bodyization connection, the internal activity of the sliding slot is connected with sliding block, and sliding block is welded and connected with close to one end of water tank center line Connecting rod, the two sides of support frame as described above are threaded with fixing bolt respectively, and are to be threadedly coupled between fixing bolt and sliding block.
Preferably, to be welded to connect between the connecting rod and water tank, and water tank by connecting rod and support frame it Between constitute slide construction.
Preferably, to be fixedly connected between the supporting plate and the first electric telescopic rod, and supporting plate passes through the first electric expansion Telescoping mechanism is constituted between bar and protective housing, is flexibly connected between the brush tube and protective housing, and protective housing passes through shaft Rotational structure is constituted between protective housing.
Compared with prior art, the beneficial effects of the present invention are:
1,, can be by long-time water collecting process by the brush plate of inlet upper end in the present invention, dust soil plug Firmly when filter screen, the filter screen that brush plate inlays inlet upper end is cleared up, prevent the blocking of filter screen lead to not into The collection work of row dew and rainwater.
2, in the present invention, by the sliding slot and connecting rod inlayed in support frame, water tank can be moved up and down, is changed Become the irremovable phenomenon of previous water tank, so that water tank can be moved up fixation to after higher by crop growth, Continue trickle irrigation operation, prevent crops it is excessively high can not trickle irrigation to the upper end of crops.
3, in the present invention, trickle irrigation can be drenched head and gone up and down, so that trickle irrigation is drenched by the first electric telescopic rod in protective housing Head can trickle irrigation to the bottom end of crops, and trickle irrigation leaching head can be received to protective housing and be placed, protective housing protects trickle irrigation Leaching is exposed outside by dust soil plug, and can drench head to trickle irrigation by brush tube and clear up, when so that trickle irrigation drenching head Remain unobstructed cleaning quarter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of agriculture water-saving drip irrigation device proposed by the present invention;
Fig. 2 is a kind of structural schematic diagram of the cleaning mechanism of agriculture water-saving drip irrigation device proposed by the present invention;
Fig. 3 is a kind of structural schematic diagram of the protection mechanism of agriculture water-saving drip irrigation device proposed by the present invention;
Fig. 4 is the structural schematic diagram that a kind of protection mechanism of agriculture water-saving drip irrigation device proposed by the present invention is overlooked.
In figure: 1, support frame;2, water tank;3, stirring rod;4, inlet;5, filter screen;6, cleaning mechanism;601, it supports Plate;602, the second electric telescopic rod;603, brush plate;604, the first hairbrush;7, elevating mechanism;701, sliding slot;702, sliding block; 703, connecting rod;704, fixing bolt;8, protection mechanism;801, protective housing;802, the first electric telescopic rod;803, supporting plate; 804, trickle irrigation drenches head;805, shaft;806, brush tube;807, the first motor;808, the second hairbrush;9, the second motor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of agriculture water-saving drip irrigation device, including support frame 1 and protection mechanism 8, the inside of support frame 1 It is mounted with water tank 2, and has stirring rod 3 in water tank 2, the upper end of water tank 2 is equipped with inlet 4, the upper end of inlet 4 It is provided with filter screen 5, and the upper end of filter screen 5 is mounted with cleaning mechanism 6, the two sides of water tank 2 are mounted with elevating mechanism respectively 7, and the lower end of water tank 2 is mounted with protection mechanism 8, the inside of protection mechanism 8 includes protective housing 801, and protective housing 801 To be fixedly connected between upper end and the lower end of water tank 2, the inner wall upper end of protective housing 801 is fixedly connected with the first electric telescopic rod 802, and there is an opening in the lower end of protective housing 801, the lower end of the first electric telescopic rod 802 is connected with supporting plate 803, and supporting plate 803 Lower end is fixedly connected with trickle irrigation leaching head 804, and the inner wall two sides of protective housing 801 are connected separately with shaft 805, shaft 805 and anti- To be fixedly connected between protecting box 801, and shaft 805 is fixedly connected with brush tube 806 close to one end of 801 center line of protective housing, The side of protective housing 801, which is fitting to connection, the first motor 807, and is fixed company between the first motor 807 and shaft 805 It connects, the surface of brush tube 806 is connected with the second hairbrush 808, and stores up between the second hairbrush 808 and brush tube 806 to be fixedly connected 2 side of water tank is mounted with the second motor 9, and is to be fixedly connected between the second motor 9 and stirring rod 3.
The inside of cleaning mechanism 6 includes support plate 601, and support plate 601 is fixedly connected on the one of 4 top of inlet Side, support plate 601 are fixedly connected with the second electric telescopic rod 602, and the second electric expansion close to one end of 4 center line of inlet The other side of bar 602 is fixedly connected with brush plate 603, and the surface of brush plate 603 is connected with the first hairbrush 604, and the first hairbrush It is to be fixedly connected between 604 and brush plate 603.
To be flexibly connected between brush plate 603 and filter screen 5, and brush plate 603 passes through the second electric telescopic rod 602 and branch Stretching structure is constituted between fagging 601, the filter screen 5 that brush plate 603 can inlay 4 upper end of inlet is cleared up, prevented The blocking of filter screen 5 leads to not the collection work for carrying out dew and rainwater.
The inside of elevating mechanism 7 includes sliding slot 701, and passes through being integrally formed of fluting between sliding slot 701 and support frame 1 Connection, the internal activity of sliding slot 701 is connected with sliding block 702, and sliding block 702 is welded to connect close to one end of 2 center line of water tank There is connecting rod 703, the two sides of support frame 1 are threaded with fixing bolt 704 respectively, and between fixing bolt 704 and sliding block 702 To be threadedly coupled.
To be welded to connect between connecting rod 703 and water tank 2, and water tank 2 passes through between connecting rod 703 and support frame 1 Constitute slide construction, water tank 2 can be moved up and down, when crop growth to it is higher after, adjustable water tank 2 after It is continuous to carry out trickle irrigation operation.
To be fixedly connected between supporting plate 803 and the first electric telescopic rod 802, and supporting plate 803 passes through the first electric telescopic rod Telescoping mechanism is constituted between 802 and protective housing 801, is flexibly connected between brush tube 806 and protective housing 801, and protective housing 801 By constituting rotational structure between shaft 805 and protective housing 801, trickle irrigation can be drenched head 804 and retractd by the first electric telescopic rod 802 It is placed in protective housing 801, prevents trickle irrigation leaching head 804 exposed for a long time and block, and head can be drenched to trickle irrigation by brush tube 806 804 are cleaned.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of agriculture water-saving drip irrigation device, including support frame (1) and protection mechanism (8), which is characterized in that support frame as described above (1) positioned inside has water tank (2), and has stirring rod (3) in water tank (2), and the upper end of the water tank (2) is equipped with collection The mouth of a river (4), the upper end of inlet (4) are provided with filter screen (5), and the upper end of filter screen (5) is mounted with cleaning mechanism (6), The two sides of the water tank (2) are mounted with elevating mechanism (7) respectively, and the lower end of water tank (2) is mounted with protection mechanism (8), The inside of the protection mechanism (8) includes protective housing (801), and the inner wall upper end of protective housing (801) is fixedly connected with first The lower end of electric telescopic rod (802), first electric telescopic rod (802) is connected with supporting plate (803), and under supporting plate (803) End is fixedly connected with trickle irrigation leaching head (804), and the inner wall two sides of the protective housing (801) are connected separately with shaft (805), and shaft (805) it is fixedly connected with brush tube (806) close to one end of protective housing (801) center line, the side of the protective housing (801) is embedding Conjunction is connected with the first motor (807), and to be fixedly connected between the first motor (807) and shaft (805), the brush tube (806) surface is connected with the second hairbrush (808), and to be fixedly connected between the second hairbrush (808) and brush tube (806), institute It states water tank (2) side to be mounted with the second motor (9), and is to be fixedly connected between the second motor (9) and stirring rod (3).
2. a kind of agriculture water-saving drip irrigation device according to claim 1, which is characterized in that the cleaning mechanism (6) Inside includes support plate (601), and support plate (601) is fixedly connected with the second electricity close to one end of inlet (4) center line Dynamic telescopic rod (602), and the other side of the second electric telescopic rod (602) is fixedly connected with brush plate (603), the brush plate (603) surface is connected with the first hairbrush (604), and is to be fixedly connected between the first hairbrush (604) and brush plate (603).
3. a kind of agriculture water-saving drip irrigation device according to claim 1, which is characterized in that the brush plate (603) with To be flexibly connected between filter screen (5), and brush plate (603) passes through between the second electric telescopic rod (602) and support plate (601) Constitute stretching structure.
4. a kind of agriculture water-saving drip irrigation device according to claim 1, which is characterized in that the elevating mechanism (7) Inside includes sliding slot (701), and passes through fluting being integrally formed connection, the sliding slot between sliding slot (701) and support frame (1) (701) internal activity is connected with sliding block (702), and sliding block (702) is welded and connected with close to one end of water tank (2) center line Connecting rod (703), the two sides of support frame as described above (1) are threaded with fixing bolt (704) respectively, and fixing bolt (704) with It is threaded connection between sliding block (702).
5. a kind of agriculture water-saving drip irrigation device according to claim 1, which is characterized in that the connecting rod (703) with To be welded to connect between water tank (2), and water tank (2) passes through composition sliding knot between connecting rod (703) and support frame (1) Structure.
6. a kind of agriculture water-saving drip irrigation device according to claim 1, which is characterized in that the supporting plate (803) and the To be fixedly connected between one electric telescopic rod (802), and supporting plate (803) passes through the first electric telescopic rod (802) and protective housing (801) telescoping mechanism is constituted between, is flexibly connected between the brush tube (806) and protective housing (801), and protective housing (801) by constituting rotational structure between shaft (805) and protective housing (801).
CN201910570322.2A 2019-06-27 2019-06-27 Agricultural is with device is driped irrigation in water conservation Active CN110199834B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910570322.2A CN110199834B (en) 2019-06-27 2019-06-27 Agricultural is with device is driped irrigation in water conservation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910570322.2A CN110199834B (en) 2019-06-27 2019-06-27 Agricultural is with device is driped irrigation in water conservation

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Publication Number Publication Date
CN110199834A true CN110199834A (en) 2019-09-06
CN110199834B CN110199834B (en) 2021-09-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110692403A (en) * 2019-11-14 2020-01-17 林章进 Saving type green house watering device
CN115399132A (en) * 2022-10-13 2022-11-29 丽江启泽农业发展有限公司 Rose is planted big-arch shelter and is used watering fertilizer injection unit

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CN206851584U (en) * 2017-05-23 2018-01-09 楚振嵩 A kind of good agricultural drop irrigation device of water-saving result
CN207836346U (en) * 2018-02-06 2018-09-11 仲恺农业工程学院 Height and greenhouse spray equipment adjustable in pitch
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CN208425283U (en) * 2018-06-14 2019-01-25 青海金地盘现代农业科技有限公司 A kind of green house of vegetables irrigation rig easy to remove
CN109328778A (en) * 2018-12-11 2019-02-15 大连识汇岛科技服务有限公司 A kind of greenhouse intake type irrigation device
CN208675983U (en) * 2018-05-10 2019-04-02 龙川县绿景农业科技发展有限公司 A kind of agricultural drop irrigation device that water-saving result is good
CN208850303U (en) * 2018-08-24 2019-05-14 北京宝鼎绿化工程有限责任公司 A kind of greenhouse irrigation device
CN208981472U (en) * 2018-10-18 2019-06-14 杭州赛石园林集团有限公司 A kind of afforestation water feeding and draining device

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Publication number Priority date Publication date Assignee Title
US20110095094A1 (en) * 2009-10-26 2011-04-28 Arena Dust Control Innovation, LLC Method, system or apparatus for applying a fluid to at least a portion of a floor surface of a covered area via a moveable fluid application structure
KR20160039354A (en) * 2014-10-01 2016-04-11 승진산업 (주) Vinyl house snow removing apparatus
CN206851584U (en) * 2017-05-23 2018-01-09 楚振嵩 A kind of good agricultural drop irrigation device of water-saving result
CN109169185A (en) * 2017-06-29 2019-01-11 民乐县民鑫生物科技有限公司 A kind of drip irrigation appliance
CN207836346U (en) * 2018-02-06 2018-09-11 仲恺农业工程学院 Height and greenhouse spray equipment adjustable in pitch
CN208064087U (en) * 2018-03-16 2018-11-09 天津市众联蔬菜专业合作社 The water injector of planting vegetable
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CN208425283U (en) * 2018-06-14 2019-01-25 青海金地盘现代农业科技有限公司 A kind of green house of vegetables irrigation rig easy to remove
CN208850303U (en) * 2018-08-24 2019-05-14 北京宝鼎绿化工程有限责任公司 A kind of greenhouse irrigation device
CN208981472U (en) * 2018-10-18 2019-06-14 杭州赛石园林集团有限公司 A kind of afforestation water feeding and draining device
CN109328778A (en) * 2018-12-11 2019-02-15 大连识汇岛科技服务有限公司 A kind of greenhouse intake type irrigation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110692403A (en) * 2019-11-14 2020-01-17 林章进 Saving type green house watering device
CN115399132A (en) * 2022-10-13 2022-11-29 丽江启泽农业发展有限公司 Rose is planted big-arch shelter and is used watering fertilizer injection unit

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