CN111778940A - Row mechanical equipment is irritated in farmland - Google Patents
Row mechanical equipment is irritated in farmland Download PDFInfo
- Publication number
- CN111778940A CN111778940A CN202010670740.1A CN202010670740A CN111778940A CN 111778940 A CN111778940 A CN 111778940A CN 202010670740 A CN202010670740 A CN 202010670740A CN 111778940 A CN111778940 A CN 111778940A
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- irrigation
- drainage
- fixedly connected
- rod
- mechanical equipment
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Power Engineering (AREA)
- Hydroponics (AREA)
Abstract
The invention relates to the technical field of farmland irrigation and drainage, and discloses farmland irrigation and drainage mechanical equipment, which comprises a water channel, farmlands are arranged at the left side and the right side of the water channel, an inverted L-shaped support frame is vertically inserted into the farmlands, a water level sensor is vertically and downwardly fixedly connected to the inverted L-shaped support frame, and irrigation and drainage pipes are fixedly communicated with the left side and the right side of the water channel; and battery boxes are vertically and upwards fixedly connected to the left side and the right side of the upper part of the water channel. Under normal conditions, the through holes of the rubber balls in the irrigation and drainage pipes are not communicated with the irrigation and drainage pipes, and at the moment, water sources of the water channels cannot enter the irrigation and drainage pipes; when the water level sensor senses that the water level of a farmland is lower than a threshold value, the processor controls the servo motor to drive the follow-up rod to ensure that the through hole of the rubber ball is communicated with the irrigation and drainage pipe after the rubber ball rotates by an angle, the automation degree is low, manual control is not needed, and the agricultural management difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of farmland irrigation and drainage, in particular to farmland irrigation and drainage mechanical equipment.
Background
At present, when rice is planted in agriculture, continuous rainfall causes water to be filled in farmlands and drainage channels when the rainfall is large, especially in the rainy season in the south of China; the rice seedlings are submerged by accumulated water in the farmland; under the condition that rice seedlings are flooded, poor ventilation, photosynthesis blockage and respiration consumption are increased, and physiological activities are greatly influenced; when the rice seedlings are soaked in rainwater for a long time, the whole plant can die; thereby greatly increasing the planting cost of farmers and delaying the normal farming of the farmers; causing huge loss to vast farmers and further bringing huge loss to the nation.
The agricultural irrigation and drainage mechanism in the prior art usually has a water pipe penetrating through the joint of a water channel and a farmland, and the water pipe is provided with a valve for controlling the irrigation and drainage condition, but the mechanism needs agricultural personnel to operate manually every time irrigation and drainage is carried out, so that the degree of automation is low, the agricultural management difficulty is increased, the agricultural irrigation and drainage mechanism is not suitable for a management mode of modern agriculture, and the improvement is urgently needed.
Disclosure of Invention
The invention aims to provide farmland irrigation and drainage mechanical equipment, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a farmland irrigation and drainage mechanical device comprises a water channel, farmlands are arranged on the left side and the right side of the water channel, an inverted L-shaped support frame is vertically inserted into the farmlands, a water level sensor is vertically and downwards fixedly connected onto the inverted L-shaped support frame, and irrigation and drainage pipes penetrate through the left side and the right side of the water channel; the left side and the right side of the upper part of the water channel are vertically and upwards fixedly connected with a battery box, and a processor and a storage battery are fixedly arranged in the inner cavity of the battery box;
a support rod is vertically and upwards fixedly connected to the middle position of the upper part of the battery box, and a photovoltaic solar panel is fixedly connected to the upper end part of the support rod in an inclined manner; a running box is fixedly connected to the middle position of the upper part of the irrigation and drainage pipe; an inserting cylinder is inserted into the inner cavity of the running box, a support is fixedly connected to the bottom of the inner cavity of the inserting cylinder, a servo motor is fixedly connected to the upper portion of the support vertically downwards, and a follower rod penetrates through the middle position of the bottom of the inserting cylinder vertically downwards;
the follow-up rod penetrates through the upper wall of the irrigation and drainage pipe in a sealing and movable manner and is fixedly connected with the upper part of the rubber ball, the rubber ball is inserted in the irrigation and drainage pipe in a sealing and movable manner, the irrigation and drainage pipe is horizontally provided with a through hole, the lower part of the follow-up rod, which is positioned in the inner cavity of the running box, is horizontally and fixedly sleeved with a crown gear, a bearing is fixedly embedded in the middle position of the lower part of the right side of the running box, a follow-up shaft rod horizontally and fixedly penetrates through a middle shaft of the bearing, the left end part and the right end part of the follow-;
the outer wall of the right end part of the irrigation and drainage pipe is fixedly sleeved with a large bearing, the outer part of the large bearing is fixedly inserted into the inner wall of the left end of the conical flow guide pipe, the middle part of the outer wall of the conical flow guide pipe is fixedly sleeved with a follow-up gear ring, and the follow-up gear ring is meshed with a pinion.
As a preferred embodiment of the present invention, the photovoltaic solar panel is electrically connected to the storage battery: the water level sensor is connected with the processor in a data transmission way.
As a preferred embodiment of the present invention, a rectangular insertion rod is fixedly connected to an upper end of the follower rod, and the rectangular insertion rod is movably inserted into the rectangular insertion opening of the transmission shaft rod.
In a preferred embodiment of the present invention, the diameter of the through hole is equal to the minimum diameter of the inner cavity of the irrigation and drainage pipe.
In a preferred embodiment of the present invention, the left end of the irrigation and drainage pipe is fixedly covered with a filtering cover.
In a preferred embodiment of the present invention, a filter screen plate is fixedly connected to the right end of the conical flow guide pipe.
As a preferred embodiment of the present invention, the top cover is fixedly covered on the upper portion of the operation box, and a sealing rubber strip is disposed at a covering position between the top cover and the upper port of the operation box.
In a preferred embodiment of the present invention, the irrigation and drainage pipe and the tapered draft tube are both aluminum alloy pipes.
Compared with the prior art, the invention has the following beneficial effects:
1. under normal conditions, the through holes of the rubber balls in the irrigation and drainage pipes are not communicated with the irrigation and drainage pipes, and at the moment, water sources of the water channels cannot enter the irrigation and drainage pipes; when the water level sensor senses that the water level of a farmland is lower than a threshold value, the processor controls the servo motor to drive the follow-up rod to ensure that the through hole of the rubber ball is communicated with the irrigation and drainage pipe after the rubber ball rotates by an angle, the automation degree is low, manual control is not needed, and the agricultural management difficulty is reduced.
2. According to the invention, the follow-up rod and the crown gear are arranged to drive the large gear to rotate in a meshing manner, and the follow-up shaft rod drives the small gear to be meshed with the follow-up gear ring outside the conical flow guide pipe to rotate, so that the inclined surface of the conical flow guide pipe is driven to be arranged as a water-facing surface, and more efficient irrigation is ensured; when the inclined surface of the conical flow guide pipe is used as the back water surface, the situation of sludge and dirt blockage of the irrigation and drainage pipe is reduced.
3. According to the invention, the photovoltaic solar panel is fixedly connected to the upper end part of the supporting sensor in an inclined manner, and the solar photovoltaic panel can store electric energy into the storage battery, so that the effect of lasting power supply is ensured, and the complexity and insecurity of power supply of a mechanism by a stay wire are avoided.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of a farmland irrigation and drainage mechanical device of the invention;
FIG. 2 is a schematic diagram of a side view cross-sectional structure of the communicating between the irrigation and drainage pipe and the operation box of the farmland irrigation and drainage mechanical equipment of the invention;
FIG. 3 is a schematic diagram of the structure of the inner cavity of a battery box of the farmland irrigation and drainage mechanical equipment of the invention;
FIG. 4 is a schematic view of a tapered flow-guiding pipe of the mechanical equipment for irrigation and drainage of farmland of the present invention;
FIG. 5 is a schematic diagram of a rubber ball structure of a farmland irrigation and drainage mechanical device of the present invention;
FIG. 6 is a schematic view of a transmission shaft of the agricultural irrigation and drainage mechanical device of the present invention.
In the figure: 1. a ditch; 2. a farmland; 3. irrigating and discharging pipes; 4. a running box; 5. a battery box; 6. a support bar; 7. a photovoltaic solar panel; 8. an inverted L-shaped support frame; 9. a water level sensor; 10. a filtering cover; 11. rubber balls; 12. a through hole; 13. a follower gear ring; 14. a large bearing; 15. a filter screen plate; 16. a conical draft tube; 17. a pinion gear; 18. a follower shaft lever; 19. a bearing; 20. a bull gear; 21. a support; 22. a drive shaft; 23. a top cover; 24. a servo motor; 25. a plug-in barrel; 26. a rectangular insertion rod; 27. a follower rod; 28. a crown gear; 29. a processor; 30. and (4) a storage battery.
The apparatus of the present invention is commercially available and custom made.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the present invention provides a technical solution: a farmland irrigation and drainage mechanical device comprises a water channel 1, farmlands 2 are arranged on the left side and the right side of the water channel 1, an inverted L-shaped support frame 8 is vertically inserted into the farmlands 2, a water level sensor 9 is vertically and downwards fixedly connected onto the inverted L-shaped support frame 8, and irrigation and drainage pipes 3 are fixedly communicated with the left side and the right side of the water channel 1; the left side and the right side of the upper part of the ditch 1 are vertically and upwards fixedly connected with a battery box 5, and a processor 29 and a storage battery 30 are fixedly arranged in the inner cavity of the battery box 5;
a support rod 6 is vertically and upwards fixedly connected at the middle position of the upper part of the battery box 5, a photovoltaic solar panel 7 is fixedly connected at the upper end part of the support sensor in an inclined manner, the solar photovoltaic panel 7 can store electric energy into the storage battery 30, the effect of lasting power supply is ensured, and the complexity and unsafety of power supply of the mechanism by a stay wire are avoided; the middle position of the upper part of the irrigation and drainage pipe 3 is fixedly connected with a running box 4; an inserting cylinder 25 is inserted into the inner cavity of the running box 4, a support 21 is fixedly connected to the bottom of the inner cavity of the inserting cylinder 25, a servo motor 24 is fixedly connected to the upper portion of the support 21 vertically downwards, and a follower rod 27 penetrates through the middle position of the bottom of the inserting cylinder 25 vertically downwards;
the follower rod 27 penetrates through the upper wall of the irrigation and drainage pipe 3 in a sealing and movable manner and is fixedly connected with the upper part of the rubber round ball 11, the rubber round ball 11 is inserted in the irrigation and drainage pipe 3 in a sealing and movable manner, the irrigation and drainage pipe 3 is horizontally provided with a through hole 12, the lower part of the follower rod 27, which is positioned in the inner cavity of the running box 4, is horizontally and fixedly sleeved with a crown gear 28, the middle position of the lower part of the right side of the running box 4 is fixedly embedded with a bearing 19, the middle shaft of the bearing 19 is horizontally and fixedly penetrated with a follower shaft lever 18, the left end part and the right end part of the follower shaft lever 18 are respectively and;
be located the fixed cover of 3 right-hand member portion outer walls of row of irritating pipes and have connect big bearing 14, big bearing 14 external fixation pegs graft at 16 left end inner walls of toper honeycomb duct, be located the fixed cover in 16 outer walls middle parts of toper honeycomb duct and have connect follow-up ring gear 13, follow-up ring gear 13 meshes with pinion 17: specifically, the method comprises the following steps: under normal conditions, the through holes 12 of the rubber round balls 11 in the irrigation and drainage pipe 3 are not communicated with the irrigation and drainage pipe 3, and at the moment, the water source of the ditch 1 cannot enter the irrigation and drainage pipe 3; when the water level sensor 9 senses that the water level of a farmland is lower than a threshold value, the processor 29 controls the servo motor 24 to drive the follower rod 27 to rotate the rubber ball 11 by 90 degrees, and then the through hole 12 of the rubber ball 11 is ensured to be communicated with the irrigation and drainage pipe 3, meanwhile, the crown gear 28 on the follower rod 27 drives the large gear 20 to rotate in a meshed mode, the follower shaft lever 18 at the moment drives the small gear 17 to be meshed with the follower gear ring 13 outside the conical draft tube 16 to rotate, and therefore the inclined plane of the conical draft tube 16 is driven to serve as a water facing plane to be arranged, and more efficient irrigation is ensured; when the inclined surface of the conical draft tube 16 is used as the back water surface, the situation of sludge fouling and blockage of the irrigation and drainage pipe 3 is reduced.
In this embodiment, the photovoltaic solar panel 7 and the storage battery 30 are electrically connected: the water level sensor 9 is in data transmission connection with the processor 29.
In this embodiment (see fig. 2), a rectangular insertion rod 26 is fixedly connected to the upper end of the follower rod 27, and the rectangular insertion rod 26 is movably inserted into the rectangular insertion opening of the transmission shaft rod 22.
In this embodiment (see fig. 2), the diameter of the through hole 12 is equal to the minimum diameter of the inner cavity of the irrigation and drainage tube 3.
In this embodiment (see fig. 2), the left end of the irrigation and drainage pipe 3 is covered with a filter cover 10 to filter the irrigation and drainage water at the farmland.
In this embodiment (see fig. 2 and 4), the right end of the conical flow guiding pipe 16 is fixedly connected with the filter screen 15, so as to avoid the blocking of the irrigation and drainage pipe 3 caused by the external large particles.
In this embodiment (see fig. 1), a top cover 23 is fixedly covered on the upper portion of the operation box 4, and a sealing rubber strip is disposed at the covering position between the top cover 23 and the upper port of the operation box 4 to prevent external water from entering the operation box 4.
In this embodiment, it is aluminum alloy pipe fitting that irrigation and drainage pipe 3 and toper honeycomb duct 16 are, and life is longer.
When the farmland irrigation and drainage mechanical equipment is used, it needs to be explained that the farmland irrigation and drainage mechanical equipment is universal standard parts or parts known by technicians in the field, and the structure and the principle of the farmland irrigation and drainage mechanical equipment can be known by the technicians through technical manuals or conventional experimental methods.
When in use, under normal conditions, the through holes 12 of the rubber round balls 11 in the irrigation and drainage pipe 3 are not communicated with the irrigation and drainage pipe 3, and at the moment, the water source of the ditch 1 cannot enter the irrigation and drainage pipe 3; when the water level sensor 9 senses that the water level of a farmland is lower than a threshold value, the processor 29 controls the servo motor 24 to drive the follower rod 27 to rotate the rubber ball 11 by 90 degrees, and then the through hole 12 of the rubber ball 11 is ensured to be communicated with the irrigation and drainage pipe 3, meanwhile, the crown gear 28 on the follower rod 27 drives the large gear 20 to rotate in a meshed mode, the follower shaft lever 18 at the moment drives the small gear 17 to be meshed with the follower gear ring 13 outside the conical draft tube 16 to rotate, and therefore the inclined plane of the conical draft tube 16 is driven to serve as a water facing plane to be arranged, and more efficient irrigation is ensured; when the inclined surface of the conical draft tube 16 is used as the back water surface, the situation of sludge fouling and blockage of the irrigation and drainage pipe 3 is reduced.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a row mechanical equipment is irritated in farmland, includes ditch (1), its characterized in that: farmlands (2) are arranged on the left side and the right side of the water channel (1), inverted L-shaped support frames (8) are vertically inserted into the farmlands (2), water level sensors (9) are vertically and downwards fixedly connected onto the inverted L-shaped support frames (8), and irrigation and drainage pipes (3) are fixedly communicated with the left side and the right side of the water channel (1); battery boxes (5) are vertically and upwards fixedly connected to the left side and the right side of the upper part of the ditch (1), and a processor (29) and a storage battery (30) are fixedly installed in the inner cavity of each battery box (5);
a support rod (6) is vertically and upwardly fixedly connected to the middle position of the upper part of the battery box (5), and a photovoltaic solar panel (7) is obliquely and fixedly connected to the upper end of the support rod; a running box (4) is fixedly connected at the middle position of the upper part of the irrigation and drainage pipe (3); an inserting cylinder (25) is inserted into the inner cavity of the running box (4), a support (21) is fixedly connected to the bottom of the inner cavity of the inserting cylinder (25), a servo motor (24) is fixedly connected to the upper portion of the support (21) vertically downwards, and a follower rod (27) penetrates through the middle position of the bottom of the inserting cylinder (25) vertically downwards in a movable mode;
the follow-up rod (27) penetrates through the upper wall of the irrigation and drainage pipe (3) in a sealing and movable manner and is fixedly connected with the upper part of the rubber round ball (11), the rubber round ball (11) is inserted in the irrigation and drainage pipe (3) in a sealing and movable manner, a through hole (12) is horizontally formed in the irrigation and drainage pipe (3), a crown gear (28) is horizontally fixedly sleeved at the lower part of the follow-up rod (27) in the inner cavity of the running box (4), a bearing (19) is fixedly embedded in the middle position of the lower part of the right side of the running box (4), a follow-up shaft rod (18) horizontally penetrates through the middle shaft of the bearing (19), the left end part and the right end part of the follow-up shaft rod (18) are respectively and fixedly connected with a large gear (20) and a;
the outer wall of the right end part of the irrigation and drainage pipe (3) is fixedly sleeved with a large bearing (14), the outer part of the large bearing (14) is fixedly inserted into the inner wall of the left end of the conical flow guide pipe (16), the middle part of the outer wall of the conical flow guide pipe (16) is fixedly sleeved with a follow-up gear ring (13), and the follow-up gear ring (13) is meshed with the small gear (17).
2. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: photovoltaic solar panel (7) and battery (30) electric connection: the water level sensor (9) is connected with the processor (29) in a data transmission way.
3. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: the upper end of the follower rod (27) is fixedly connected with a rectangular plug-in rod (26), and the rectangular plug-in rod (26) is movably plugged in a rectangular plug-in port of the transmission shaft lever (22).
4. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: the diameter of the through hole (12) is equal to the minimum diameter of the inner cavity of the irrigation and drainage pipe (3).
5. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: the left end part of the irrigation and drainage pipe (3) is fixedly covered with a filtering sealing cover (10).
6. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: the right end part of the conical guide pipe (16) is fixedly connected with a filter screen plate (15).
7. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: the upper part of the running box (4) is fixedly covered with a top cover (23), and a sealing rubber strip is arranged at the covering part between the top cover (23) and the upper end opening of the running box (4).
8. The agricultural irrigation and drainage mechanical equipment of claim 1, wherein: the irrigation and drainage pipe (3) and the conical guide pipe (16) are both aluminum alloy pipe fittings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670740.1A CN111778940B (en) | 2020-07-13 | 2020-07-13 | Row mechanical equipment is irritated in farmland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670740.1A CN111778940B (en) | 2020-07-13 | 2020-07-13 | Row mechanical equipment is irritated in farmland |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111778940A true CN111778940A (en) | 2020-10-16 |
| CN111778940B CN111778940B (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670740.1A Active CN111778940B (en) | 2020-07-13 | 2020-07-13 | Row mechanical equipment is irritated in farmland |
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| Country | Link |
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| CN (1) | CN111778940B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113711893A (en) * | 2021-09-28 | 2021-11-30 | 宿迁市节约用水管理服务中心 | Water inflow device of farmland irrigation system capable of controlling water amount |
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| JPH10150866A (en) * | 1996-11-22 | 1998-06-09 | Tanabe Tomio | Improved stop valve |
| CN203968851U (en) * | 2014-07-19 | 2014-12-03 | 边贻国 | For the ridge embedded anti-backflow pipeline of water conservancy irrigation |
| CN108703040A (en) * | 2018-04-26 | 2018-10-26 | 中国水稻研究所 | A kind of quick irrigation device in rice field experimental plot |
| CN208151974U (en) * | 2018-04-04 | 2018-11-27 | 河海大学 | A kind of dual-purpose gate of assembly type filling row of water level controlled |
| CN208395791U (en) * | 2018-06-01 | 2019-01-18 | 中国水稻研究所 | A kind of paddy field irrigation and drainage water installations of water level controlled |
| CN110409391A (en) * | 2019-07-03 | 2019-11-05 | 江苏大中农场集团有限公司 | A kind of farm field irrigation drainage valve system |
| CN209703455U (en) * | 2018-12-19 | 2019-11-29 | 盐城市沿海水利工程有限公司 | The automatically controlled field intake of vertical lift type |
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2020
- 2020-07-13 CN CN202010670740.1A patent/CN111778940B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10150866A (en) * | 1996-11-22 | 1998-06-09 | Tanabe Tomio | Improved stop valve |
| CN203968851U (en) * | 2014-07-19 | 2014-12-03 | 边贻国 | For the ridge embedded anti-backflow pipeline of water conservancy irrigation |
| CN208151974U (en) * | 2018-04-04 | 2018-11-27 | 河海大学 | A kind of dual-purpose gate of assembly type filling row of water level controlled |
| CN108703040A (en) * | 2018-04-26 | 2018-10-26 | 中国水稻研究所 | A kind of quick irrigation device in rice field experimental plot |
| CN208395791U (en) * | 2018-06-01 | 2019-01-18 | 中国水稻研究所 | A kind of paddy field irrigation and drainage water installations of water level controlled |
| CN209703455U (en) * | 2018-12-19 | 2019-11-29 | 盐城市沿海水利工程有限公司 | The automatically controlled field intake of vertical lift type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113711893A (en) * | 2021-09-28 | 2021-11-30 | 宿迁市节约用水管理服务中心 | Water inflow device of farmland irrigation system capable of controlling water amount |
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|---|---|
| CN111778940B (en) | 2022-09-30 |
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