CN203801427U - Underground micro-irrigation device with function of jamming prevention - Google Patents
Underground micro-irrigation device with function of jamming prevention Download PDFInfo
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- CN203801427U CN203801427U CN201420168579.8U CN201420168579U CN203801427U CN 203801427 U CN203801427 U CN 203801427U CN 201420168579 U CN201420168579 U CN 201420168579U CN 203801427 U CN203801427 U CN 203801427U
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- 238000003973 irrigation Methods 0.000 title claims abstract description 60
- 230000002265 prevention Effects 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 230000002262 irrigation Effects 0.000 claims abstract description 38
- 108091006146 Channels Proteins 0.000 claims description 31
- 102000010637 Aquaporins Human genes 0.000 claims description 3
- 108010063290 Aquaporins Proteins 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses an underground micro-irrigation device with a function of jamming prevention, and the device comprises a ground breaking awl and a barrel. The ground breaking awl is disposed at the lower end of the barrel, and the interior of the barrel is equipped with a guide groove and an anti-jamming cylinder. The anti-jamming cylinder is disposed at the lower part of the barrel. The guide groove is assembled on the inner side wall of the upper part of the barrel. The interior of the guide groove is provided with a pressure rod and a cylindrical spring. The cylindrical spring is disposed at the lower end part of the pressure rod. The interior of the anti-jamming cylinder is provided with an irrigation emitter which is connected with the pressure rod through a connecting rod. A water pipe is connected with the irrigation emitter. The upper end of the pressure rod is sequentially provided with more than three radial positioning holes in an upward manner. The guide groove and the barrel are respectively provided with a pin hole I and a pin hole II. The pin hole I and the pin hole II are aligned with each other. Positioning pins are disposed in the pin hole I and the pin hole II. The positioning pins are matched with any radial positioning hole on the pressure rod. The device provided by the utility model saves time and labor, is simple in operation, has the function of jamming prevention, can meet the demands of various types of crop roots for moisture in different depths, can effectively improves the utilization rate of water, and is suitable for large-scale popularization.
Description
Technical field
The utility model relates to a kind of underground micro-irrigation device with anti-blockage function, belongs to agricultural water-saving irrigation technical field.
Background technology
Water is the necessary material of crop growth, Water Consumption in Agriculture accounts for 80% of China's water consumption, but along with industrial expansion, increase and the water body of industrial water consumption are polluted, cause agricultural water quantity delivered fewer and feweri, agricultural water is subject to serious threat, for social development and stabilization, and this problem in the urgent need to address.
Along with the paces of China's urbanization are accelerated, increasing rural area person between twenty and fifty enter city, the rural area aging of being engaged in agriculture is serious, but being still, traditional agricultural equipment take manpower as main, waste time and energy, and peasant grasps few to scientific knowledge, so develop modern agriculture equipment time saving and energy saving, simple operations, be development trend.
Traditional crop irrigation adopts ground flood irrigation mode, and this mode irrigates water to soil surface, then is penetrated in soil, and water is larger in evaporation of soil moisture amount, and the waste of water is more serious, and utilization ratio is extremely low.In recent years, rapidly, the mode that water-saving irrigation adopts has: sprinkling irrigation, microspray irrigation, drip irrigation, infiltrating irrigation, bubbling irrigation etc. in water-saving irrigation technique development.Sprinkling irrigation is to eject water in air, then spill and fall to the ground, this mode is subject to the impact of weather and wind-force, and water evaporation quantity and drift loss are larger, and water not necessarily arrives crop root part the best position of pouring water in soil permeability process, and water-saving result is unsatisfactory.Microspray irrigation, drip irrigation, infiltrating irrigation and bubbling irrigation belong to slight irrigation, better with respect to the water-saving result of sprinkling irrigation, but still exist ground surface moisture evaporation and moisture not necessarily to arrive the pour water problem of position of crop root part the best, can not reach the efficient utilization of water.Therefore underground micro-irrigation is the efficient fine approach utilizing of crop irrigation water, but underground micro-irrigation device contact with water and soil, and irrigator easily stops up, and affects the efficiency of pouring water, and it is necessary developing the underground micro-irrigation device with anti-blockage function.
At present, relating to the Patents with anti-blockage function underground micro-irrigation has: the apparatus and method of subsurface irrigation (87104234), anti-clogging Drip for drip irrigation (98232464.2), underground micro-irrigation equipment (201020156449.4), the irrigation device of underground can (201220344499.4), a kind of infiltration irrigation system (201210118544.9), geographical anti-clogging infiltrating irrigation multiple tube and moulding technique (200610048383.5) thereof, a kind of underground micro-irrigation device (201220576206.5), a kind of underground micro-irrigation is irrigate the method and system that the patents such as device (201210435030.6) provide underground micro-irrigation, but it is underground that these underground micro-irrigation systems need to be imbedded mostly in advance, can not need according to pouring water plug arbitrarily, position and the degree of depth are fixed, anti-clogging DeGrain, and preventing clogging up device is complicated, processing cost is high.Pluggable underground water adding system complex structure, is only suitable for the demands of pouring water of minority crops, and soil-entering resistance is large, waste time and energy, and the complicated operation of pouring water, be difficult to promote on a large scale.
Summary of the invention
In order to solve the problem of mentioning in above-mentioned background technology, the utility model provides a kind of underground micro-irrigation device with anti-blockage function.The method is applicable to dissimilar crops pours water, and can pour water in crops the best position of pouring water, and has anti-blockage function, time saving and energy saving, simple to operate, is suitable for large range promotion use.
The underground micro-irrigation that the utlity model has anti-blockage function is irrigate device and is comprised the cone 10 that breaks ground, cylindrical shell 4, the cone 10 that breaks ground is arranged on cylindrical shell 4 lower ends, in cylindrical shell 4, be equipped with gathering sill 2, anti-clogging cylinder 8, anti-clogging cylinder 8 is arranged on cylindrical shell 4 bottoms, can make device inside separate with outside soil, gathering sill 2 is assemblied in cylindrical shell 4 upper inner walls, in gathering sill 2, be equipped with depression bar 1 and cylindrical spring 5, cylindrical spring 5 is arranged on depression bar 1 bottom, in anti-clogging cylinder 8, be equipped with irrigator 9, irrigator 9 is connected with depression bar 1 by connecting rod 7, water pipe 6 is connected with irrigator 9, depression bar 1 upper end has three above radial location holes successively downwards, on gathering sill 2 and cylindrical shell 4, have pin-and-hole I 16 and pin-and-hole II 17, pin-and-hole I 16 alignment pin-and-hole II 17, alignment pin 3 is arranged in pin-and-hole I 16 and pin-and-hole II 17, alignment pin 3 matches with any the radial location hole on depression bar 1.
Gathering sill described in the utility model 2 is hollow semicylinder.
Depression bar described in the utility model 1 is cylindrical multidiameter, and epimere diameter is greater than hypomere diameter, and cylindrical spring 5 is arranged on around a section of minor diameter of axle, and large diameter one section of axle matches with gathering sill 2 inside and slides along gathering sill 2; Any radial location hole on depression bar 1, the pin-and-hole II 17 on cylindrical shell, the pin-and-hole I on gathering sill 16 are used in conjunction with alignment pin 3.
In the whole process of pouring water, comprise pour water before, pour water neutralization poured water, the length of cylindrical spring is less than its natural length, its effect is: before pouring water and after having poured water, spring provides bounce, makes depression bar motion straight up, depression bar drivening rod, connecting rod acts on irrigator, makes irrigator energy self-return when not pouring water.
Alignment pin described in the utility model 3 is straight pin, and its diameter is less than or equal to the pin-and-hole I 16 on gathering sill and cylindrical shell, the diameter of pin-and-hole II 17, is less than or equal to the diameter in radial location hole on depression bar 1.Before pouring water, alignment pin does not insert, and while pouring water, lower moulded rod certain distance, inserts alignment pin, is used for locating the horizontal depth that irrigator enters soil.
Cylindrical shell 4 described in the utility model is hollow cylindrical tube, and lower end one side has a semi-circular hole 18, is the passage of irrigator 9 turnover.
Anti-clogging cylinder 8 described in the utility model is cylinder, its inside has semicircle through hole, irrigator 9 is arranged in semicircle through hole, and cooperatively interact, anti-clogging cylinder 8 upper surfaces have rectangular channel I 19(and radially do not run through, axially run through) and be positioned at above semicircle through hole, the space of connecting rod 7 in the process of pouring water is provided, anti-clogging cylinder 8 bottoms are below semicircle through hole, to have rectangular channel II 20(radially not run through, axially do not run through), its effect is to coordinate with irrigator 9 bottom surface boss, prevent normally return of irrigator, irrigation device lost efficacy.
Irrigator 9 front ends described in the utility model are semicircle cone, and object is in order to reduce irrigator soil-entering resistance, facilitates irrigator to bury; Rear end is semicylinder, front end cone semicylinder one end inner and that be connected with cone has cylindrical water stream channel, water stream channel is connected with water pipe 6, on the semicylinder of rear end, have rectangular channel III, the lower end of connecting rod (7) is connected in the rectangular channel III(22 of irrigator (9) with pin) in, while pouring water operation, provide the space of connecting rod; Semicylinder end is provided with boss I 23, and boss I 23 matches with rectangular channel II 20 on anti-clogging cylinder 8 and in the interior slip of rectangular channel II 20; The length of boss I is less than the axial length of semicylinder; widely be less than or equal to the wide of semicylinder bottom surface; itself and anti-clogging cylinder 8 are used in conjunction with; effect is to provide the extreme position that irrigator enters the horizontal range of soil; to prevent that connecting rod from controlling, enter dead angle; irrigator is return normally, failure of apparatus.
Described conical section water stream channel is for what tilt, and the water stream channel of semicylinder is level, and the outer section of water stream channel of semicylinder is a cylindrical boss II, and the contact position being connected with water pipe 6 is provided.
The operation principle that the utlity model has the underground micro-irrigation device of anti-blockage function is: while pouring water, first both hands are held device cylindrical shell, the degree of depth that need to pour water according to crop root, and plug device, after soil appropriate depth, unclamps hand straight down.Downward moulded rod, connecting rod is setting in motion under the effect of depression bar, irrigator is under the effect of connecting rod, beginning is moved into soil along the semicircle through hole in anti-clogging cylinder, while moving to crop Optimum Irrigation position Deng irrigator, alignment pin is inserted in cylindrical shell, now depression bar is located, depression bar no longer moves, irrigator can not continue to enter soil, the tube valve of fetching boiling water, start to pour water, while meeting the demand of crop Deng irrigation quantity, close aqueduct valve, extract alignment pin, depression bar is under the effect of cylindrical spring bounce, motion straight up, irrigator is under the drive of connecting rod, along anti-clogging cylinder hole self-return, when irrigator rear end face moves in cylindrical shell, motion stops.Both hands are held cylindrical shell, extract irrigation device, complete the process of pouring water.
The beneficial effects of the utility model are:
1, this device adopts underground micro-irrigation mode, can prevent evaporation and the drift loss of surface irrigation mode moisture, is meeting under the prerequisite of crop water requirement, can effectively reduce water consumption, reduces the cost that agricultural water drops into;
2, this apparatus structure is reasonable in design, and plant bulk can be very little, and while pouring water operation, soil-entering resistance is little, simple to operate, and peasant household just need not train can use operation, and the peasant who is applicable to all ages and classes section uses;
3, this device adopts simple anti-clogging cylinder just can solve the blockage problem of underground water irrigator, and reasonable in design, manufacturing cost is lower, lowers the input cost of agricultural production;
4, this device pour water horizontal level and water irrigating depth all adjustable, and plant bulk is less, can meet the demand of pouring water of the different roots of Different Crop different growing stage, also can meet the demand of pouring water of the different roots of crop different growing stage of the same race, the adaptability of crops is more intense;
5, this device inserts soil when pouring water and uses, and pours water after finishing and contact with soil, can reduce equipment corrosion and aging, and step using method has extended the service life of installing, and reduces the wasting of resources and environmental pollution;
6, this plant bulk is less, is easy to carry, and is easy to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the sectional structure schematic diagram of the utility model device;
Fig. 3 is the assembly structure schematic diagram of depression bar in the utility model, gathering sill and cylindrical spring;
Fig. 4 is the structural representation of irrigator in the utility model;
Fig. 5 is the sectional structure schematic diagram of irrigator in the utility model;
Fig. 6 is the structural representation of anti-clogging cylinder of the present utility model;
Fig. 7 is the sectional structure schematic diagram of anti-clogging cylinder of the present utility model;
In figure: 1-depression bar; 2-gathering sill; 3-alignment pin; 4-cylindrical shell; 5-cylindrical spring; 6-water pipe; 7-connecting rod; 8-anti-clogging cylinder; 9-irrigator; The 10-cone that breaks ground; 11-radial location hole I; 12-radial location hole II; 13-radial location hole III; 14-radial location hole IV; 15-radial location hole V; 16-pin-and-hole I; 17-pin-and-hole II; 18-semi-circular hole; 19-rectangular channel I; 20-rectangular channel II; The semicircle through hole of 21-; 22-rectangular channel III; 23-boss I; 24-boss II.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but content of the present utility model is not limited to described scope.
Embodiment 1: the underground micro-irrigation originally with anti-blockage function is irrigate device and comprised the cone 10 that breaks ground, cylindrical shell 4, the cone 10 that breaks ground is arranged on cylindrical shell 4 lower ends, in cylindrical shell 4, be equipped with gathering sill 2, anti-clogging cylinder 8, anti-clogging cylinder 8 is arranged on cylindrical shell 4 bottoms, can make device inside separate with outside soil, gathering sill 2 is assemblied in cylindrical shell 4 upper inner walls, in gathering sill 2, be equipped with depression bar 1 and cylindrical spring 5, cylindrical spring 5 is arranged on depression bar 1 bottom, in anti-clogging cylinder 8, be equipped with irrigator 9, irrigator 9 is connected with depression bar 1 by connecting rod 7, water pipe 6 is connected with irrigator 9, depression bar 1 upper end has radial location hole I(11 successively downwards), radial location hole II(12), radial location hole III(13), radial location hole IV(14), radial location hole V(15), on gathering sill 2 and cylindrical shell 4, have pin-and-hole I 16 and pin-and-hole II 17, pin-and-hole I 16 alignment pin-and-hole II 17, alignment pin 3 is arranged in pin-and-hole I 16 and pin-and-hole II 17, alignment pin 3 matches with any the radial location hole on depression bar 1,
Wherein gathering sill 2 is hollow semicylinder, depression bar 1 is cylindrical, massive multidiameter, and epimere diameter is greater than hypomere diameter, and cylindrical spring 5 is arranged on around a section of minor diameter of axle, and large diameter one section of axle matches with gathering sill 2 inside and slides along gathering sill 2, be that cylindrical spring 5 internal diameters and depression bar diameter match compared with segment external diameter, cylindrical spring 5 external diameters and gathering sill internal diameter size match, any radial location hole on depression bar 1, the pin-and-hole II 17 on cylindrical shell, the pin-and-hole I on gathering sill 16 are used in conjunction with alignment pin 3, in the whole process of pouring water, comprise pour water before, pour water neutralization poured water, the length of cylindrical spring is less than its natural length, its effect is: before pouring water and after having poured water, spring provides bounce, makes depression bar motion straight up, depression bar drivening rod, connecting rod acts on irrigator, makes irrigator energy self-return when not pouring water, described alignment pin 3 is straight pin, and its diameter equals the pin-and-hole I 16 on gathering sill and cylindrical shell, the diameter of pin-and-hole II 17, equals the diameter in radial location hole on depression bar 1, cylindrical shell 4 is hollow cylindrical tube, and lower end one side has a semi-circular hole 18, is the passage of irrigator 9 turnover, described anti-clogging cylinder 8 is cylinder, its inside has semicircle through hole 21, irrigator 9 is arranged in semicircle through hole 21, and cooperatively interact, anti-clogging cylinder 8 upper surfaces have rectangular channel I 19(and radially do not run through, axially run through) and be positioned at above semicircle through hole, the space of connecting rod 7 in the process of pouring water is provided, anti-clogging cylinder 8 bottoms are below semicircle through hole, to have rectangular channel II 20(radially not run through, axially do not run through), its effect is to coordinate with irrigator 9 bottom surface boss, prevent normally return of irrigator, irrigation device lost efficacy, described irrigator 9 front ends are semicircle cone, and object is in order to reduce irrigator soil-entering resistance, facilitates irrigator to bury, rear end is semicylinder, front end cone semicylinder one end inner and that be connected with cone has cylindrical water stream channel, water stream channel is connected with water pipe 6, on the semicylinder of rear end, have rectangular channel III 22, connecting rod 7 one end are fixed in rectangular channel III22, while pouring water operation, provide the space of connecting rod, semicylinder end is provided with rectangular boss I 23, and boss I 23 matches with rectangular channel II 20 on anti-clogging cylinder 8 and in the interior slip of rectangular channel II 20, the length of boss I is less than the axial length of semicylinder, widely equals the wide of semicylinder bottom surface, and itself and anti-clogging cylinder 8 are used in conjunction with, conical section water stream channel is for what tilt, and the water stream channel of semicylinder is level, and the outer section of water stream channel of semicylinder is a cylindrical boss II 24, and the contact position being connected with water pipe 6 (seeing Fig. 1-7) is provided.
While pouring water, first both hands are held device cylindrical shell 4, the degree of depth that need to pour water according to crop root, and plug device, after soil appropriate depth, unclamps hand straight down.Downward moulded rod 1, connecting rod 7 is setting in motion under the effect of depression bar, irrigator 9 is under the effect of connecting rod, beginning is moved into soil along the semicircle through hole in anti-clogging cylinder, while moving to crop Optimum Irrigation position Deng irrigator, alignment pin 3 is inserted in cylindrical shell, now depression bar is located, depression bar no longer moves, irrigator can not continue to enter soil, the tube valve of fetching boiling water, start to pour water, while meeting the demand of crop Deng irrigation quantity, close aqueduct valve, extract alignment pin, depression bar is under the effect of cylindrical spring bounce, motion straight up, irrigator is under the drive of connecting rod, along anti-clogging cylinder hole self-return, when irrigator rear end face moves in cylindrical shell, motion stops.Both hands are held cylindrical shell, extract irrigation device, complete the process of pouring water.
Claims (9)
1. a underground micro-irrigation device with anti-blockage function, comprise the cone (10) that breaks ground, cylindrical shell (4), the cone (10) that breaks ground is assemblied in cylindrical shell (4) lower end, it is characterized in that: in cylindrical shell (4), be equipped with gathering sill (2), anti-clogging cylinder (8), anti-clogging cylinder (8) is arranged on cylindrical shell (4) bottom, gathering sill (2) is assemblied in cylindrical shell (4) upper inner wall, in gathering sill (2), be equipped with depression bar (1) and cylindrical spring (5), cylindrical spring (5) is arranged on depression bar (1) bottom, in anti-clogging cylinder (8), be equipped with irrigator (9), irrigator (9) is connected with depression bar (1) by connecting rod (7), water pipe (6) is connected with irrigator (9), depression bar (1) upper end is left three successively downwards above has a radial location hole, on gathering sill (2) and cylindrical shell (4), be respectively arranged with pin-and-hole I(16) and pin-and-hole II(17), pin-and-hole I(16) alignment pin-and-hole II(17), alignment pin (3) is arranged on pin-and-hole I(16) and pin-and-hole II(17) in, alignment pin (3) matches with any the radial location hole on depression bar (1).
2. the underground micro-irrigation device with anti-blockage function according to claim 1, is characterized in that: gathering sill (2) is hollow semicylinder.
3. the underground micro-irrigation device with anti-blockage function according to claim 1 and 2, it is characterized in that: depression bar (1) is cylindrical multidiameter, cylindrical spring (5) is arranged on around a section of minor diameter of axle, and large diameter one section of axle matches and slides along gathering sill (2) with gathering sill (2) inside.
4. the underground micro-irrigation device with anti-blockage function according to claim 1 and 2, it is characterized in that: alignment pin (3) is straight pin, its diameter is less than or equal to pin-and-hole II(17 on cylindrical shell and gathering sill) and pin-and-hole I(16) diameter, be less than or equal to the diameter in the upper radial location of depression bar (1) hole.
5. the subsurface irrigation device with anti-blockage function according to claim 1 and 2, is characterized in that: cylindrical shell (4) is hollow cylindrical tube, and lower end one side has a semi-circular hole (18).
6. the subsurface irrigation device with anti-blockage function according to claim 1 and 2, it is characterized in that: anti-clogging cylinder (8) is cylinder, its inside has semicircle through hole (21), irrigator (9) is arranged in semicircle through hole, and cooperatively interact, the space of irrigator is provided, anti-clogging cylinder (8) upper surface has rectangular channel I(19) and be positioned at semicircle through hole (21) above, anti-clogging cylinder (8) bottom is that semicircle through hole below has rectangular channel II(20).
7. the subsurface irrigation device with anti-blockage function according to claim 1 and 2, it is characterized in that: irrigator (9) front end is semicircle cone, rear end is semicylinder, front end cone semicylinder one end inner and that be connected with cone has cylindrical water stream channel, water stream channel is connected with water pipe (6), on the semicylinder of rear end, have rectangular channel III, the lower end of connecting rod (7) is connected in the rectangular channel III(22 of irrigator (9) with pin) in, semicylinder end is provided with boss I(23), boss I(23) with anti-clogging cylinder (8) on rectangular channel II(20) match and at rectangular channel II(20) in slip.
8. the subsurface irrigation device with anti-blockage function according to claim 7, is characterized in that: the water stream channel in front end cone is ramp way.
9. the subsurface irrigation device with anti-blockage function according to claim 1 and 2, is characterized in that: connecting rod (7) is rectangular cylinder or cylindrical column, and cylinder two ends respectively have hole, are connected respectively with depression bar (1) with irrigator (9) by pin member.
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CN201420168579.8U CN203801427U (en) | 2014-04-09 | 2014-04-09 | Underground micro-irrigation device with function of jamming prevention |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113348843A (en) * | 2021-06-24 | 2021-09-07 | 芜湖新达园林绿化集团有限公司 | Planting half-sinking seedling nutrition liquid drop irrigation device for garden planting and implementation method |
CN114467726A (en) * | 2022-03-09 | 2022-05-13 | 蒋玲 | Municipal engineering road greening maintenance equipment and method |
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2014
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113348843A (en) * | 2021-06-24 | 2021-09-07 | 芜湖新达园林绿化集团有限公司 | Planting half-sinking seedling nutrition liquid drop irrigation device for garden planting and implementation method |
CN114467726A (en) * | 2022-03-09 | 2022-05-13 | 蒋玲 | Municipal engineering road greening maintenance equipment and method |
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