CN115305887B - Water-saving irrigation canal for shrimp paddy field and construction method thereof - Google Patents

Water-saving irrigation canal for shrimp paddy field and construction method thereof Download PDF

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Publication number
CN115305887B
CN115305887B CN202210926004.7A CN202210926004A CN115305887B CN 115305887 B CN115305887 B CN 115305887B CN 202210926004 A CN202210926004 A CN 202210926004A CN 115305887 B CN115305887 B CN 115305887B
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irrigation
plate
water
locking
water inlet
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CN115305887A (en
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吴莉莉
柴玉华
谢梦佳
伍健
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Hubei Shuide Water Conservancy Construction Co ltd
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Hubei Shuide Water Conservancy Construction Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B13/00Irrigation ditches, i.e. gravity flow, open channel water distribution systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/02Making or lining canals
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/08Details, e.g. gates, screens
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • 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
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Public Health (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Soil Working Implements (AREA)

Abstract

The application relates to the field of irrigation channels, and particularly discloses a water-saving irrigation channel for a shrimp paddy field, which comprises a plurality of irrigation channel units, water inlet baffles and water outlet baffles which are spliced in sequence, and further comprises a plurality of cover plates, wherein the plurality of cover plates correspond to the plurality of irrigation channel units one by one, and a plurality of water inlet holes are formed in the cover plates at intervals along the length direction of the irrigation channel; the bottom of the cover plate is rotationally connected with a plugging plate at a position corresponding to the water inlet hole; a driving plate for driving the blocking plates to block the water inlet is fixedly connected to one or more blocking plates in each irrigation canal unit; a synchronous component is arranged in each irrigation canal unit and is used for driving a plurality of plugging plates on each irrigation canal unit to synchronously move; be provided with the locking mechanism in the irrigation canal, when water inlet baffle and play water baffle carry out the shutoff to the water inlet and the delivery port of irrigation canal respectively, the locking mechanism carries out the locking to the motion of drive plate. The irrigation ditch has the effect of preventing evaporation and collecting water.

Description

Water-saving irrigation canal for shrimp paddy field and construction method thereof
Technical Field
The application relates to the field of irrigation ditches, in particular to a water-saving irrigation ditch for a shrimp paddy field and a construction method thereof.
Background
With the development of aquaculture and agricultural industry, a shrimp paddy field for comprehensive cultivation of shrimps and rice is developed, and sufficient moisture is required to be ensured in the shrimp paddy field for good symbiosis of the shrimps and the rice, and at present, irrigation of the shrimp paddy field is generally carried out by using irrigation channels.
In the related art, irrigation ditches generally have two forms, one is an open irrigation ditch, and the other is a closed irrigation ditch; the top of the open irrigation canal is open, the closed irrigation is cylindrical as a whole, and the top is closed; the irrigation canal in the two modes is formed by splicing prefabricated irrigation canal units, when constructors lay the irrigation canal in the shrimp paddy fields, firstly digging an installation groove in the shrimp paddy fields, then splicing the irrigation canal units in the installation groove, and respectively arranging a water inlet baffle and a water outlet baffle at the water inlet and the water outlet of the irrigation canal after splicing; when the staff uses the irrigation canal to irrigate, demolish water inlet baffle and play water baffle, irrigate water and flow in the irrigation canal, after the staff used the irrigation canal, install water inlet baffle and play water baffle in the water inlet department and the delivery port department of irrigation canal respectively.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the top opening of the open irrigation canal can cause certain evaporation of irrigation water in the irrigation process, and the irrigation of the shrimp paddy field is frequent, so that more irrigation water is lost; the top of closed irrigation canal is sealed, and irrigation water is in its inside in-process that flows, and the evaporation of water is kept off, but when meetting the rainy day, outside rainwater can't get into in the irrigation canal, leads to its water collection nature relatively poor.
Disclosure of Invention
In order to make the irrigation canal have evaporation resistance and water collecting property, the application provides a water-saving irrigation canal for a shrimp paddy field and a construction method thereof.
The application provides a water-saving irrigation canal for shrimp paddy field and a construction method thereof, which adopts the following technical scheme:
in a first aspect, the present application provides a water-saving irrigation canal for a shrimp paddy field, which adopts the following technical scheme:
the water-saving irrigation canal for the shrimp paddy field comprises a plurality of irrigation canal units, water inlet baffles and water outlet baffles which are spliced in sequence, and also comprises a plurality of cover plates, wherein the cover plates correspond to the irrigation canal units one by one, and a plurality of water inlet holes are formed in the cover plates at intervals along the length direction of the irrigation canal; the bottom of the cover plate is rotatably connected with a plugging plate at a position corresponding to the water inlet hole, and the rotation axis is along the width direction of the irrigation canal; a driving plate is fixedly connected to one or more plugging plates in each irrigation canal unit, and the driving plate is used for driving the plugging plates to plug the water inlet holes; a synchronous component is arranged in each irrigation canal unit and is used for driving a plurality of plugging plates on each irrigation canal unit to synchronously move; be provided with locking mechanism in the irrigation canal, work as intake baffle with go out the water baffle respectively to the water inlet and the delivery port of irrigation canal carry out the shutoff, locking mechanism is right the motion of drive plate is locked.
By adopting the technical scheme, when the staff completes the splicing of the irrigation canal unit and the laying of the cover plate in the shrimp paddy field and irrigates by using the irrigation canal, the driving plate drives the blocking plate to block the water inlet under the impact action of the irrigation water, and simultaneously, the plurality of blocking plates complete the synchronous blocking of the water inlet under the action of the synchronous component, and the irrigation water evaporated in the process of flowing in the irrigation canal is blocked by the blocking plate, so that the evaporation of the irrigation water flowing in the irrigation canal is reduced; when irrigation of the irrigation canal is finished, the water inlet baffle and the water outlet baffle are used for blocking the water inlet and the water outlet of the irrigation canal respectively, at the moment, the locking mechanism locks the movement of the blocking plate, the blocking plate cannot block the water inlet, external rainwater enters the irrigation canal through the water inlet when the water is rainy, and under the blocking effect of the water inlet baffle and the water outlet baffle, the rainwater temporarily exists in the irrigation canal; in summary, the irrigation ditch has evaporation resistance and water collection, so that the water-saving performance of the irrigation ditch is good.
Optionally, the synchronization assembly includes a plurality of links; each connecting rod is arranged between two adjacent blocking plates, one end of each connecting rod is rotationally connected to one blocking plate, the rotation axis of each connecting rod is along the width direction of the irrigation canal, and the other end of each connecting rod is rotationally connected to the other blocking plate, and the rotation axis of each connecting rod is along the width direction of the irrigation canal; the connecting lines of the rotation centers of the two ends of the connecting rod are parallel to the connecting lines between the rotation centers of the two adjacent plugging plates; the distance between the rotation centers of the two ends of the connecting rod is equal to the distance between the rotation centers of the two adjacent plugging plates.
By adopting the technical scheme, when one of the plugging plates on one cover plate is driven by the driving plate, the connecting rod drives one adjacent plugging plate to move, the driven plugging plate drives the next plugging plate to move, and the like, and after one plugging plate moves, the other plugging plates synchronously move; the connecting line of the rotation centers of two adjacent plugging plates, the connecting line between the rotation center of one plugging plate and the rotation center of the corresponding connecting rod end part, the connecting line of the rotation centers of the two end parts of the connecting rod, the connecting line between the rotation center of the other plugging plate and the center of the corresponding connecting rod end part, and the four connecting lines enclose a parallelogram, so that the linkage of the plugging plates is stable due to the parallelogram structure.
Optionally, a wedge block is fixedly connected to the position of the cover plate corresponding to the water inlet hole, and the wedge block is communicated with the water inlet hole; the bottom of the wedge block is obliquely arranged, and the thickness of the wedge block in the vertical direction is gradually increased along the direction of water flow in the irrigation canal; the top of the plugging plate is detachably attached to the bottom of the wedge block.
By adopting the technical scheme, on one hand, when the top of the plugging plate is attached to the bottom of the wedge block, the plugging plate is in an inclined state, and when irrigation water in the irrigation canal unit is impacted to the plugging plate, upward component force is formed, so that the plugging plate is more tightly attached to the wedge block, the plugging plate seals water inlets better, and on the other hand, evaporated irrigation water can more conveniently fall back into the irrigation water along the plugging plate under the action of gravity after being condensed on the plugging plate; by combining the two aspects, the evaporation resistance of the irrigation canal is further improved.
Optionally, the locking mechanism includes a plurality of locking assemblies and a locking hook; the locking hooks are fixedly connected to the water inlet baffle, and when the water inlet baffle is installed at the position of the water inlet of the most upstream irrigation canal unit, the locking hooks limit the movement of the most upstream driving plate; the locking assembly is arranged between two adjacent cover plates and used for locking the movement of the plugging plate at the tail end of one cover plate and the movement of the plugging plate at the head end of the other cover plate.
Through adopting above-mentioned technical scheme, after constructor will advance water baffle and install the water inlet department at irrigation canal, the locking hook obstructs the drive plate motion, and the rainy day comes temporarily, and external rainwater gets into irrigation canal unit through the inlet opening, along with the accumulation of rainwater, irrigates the rainwater in the canal and increases gradually, but the drive plate can't move, and the shutoff board can't produce the shutoff effect to the inlet opening, and the rainwater can be comparatively smooth and easy entering irrigation canal unit.
Optionally, the locking assembly includes a first locking lever, a second locking lever, and a driving lever; the first locking rod is fixedly connected to the downstream plugging plate, and the first locking rod faces the upstream plugging plate; the second locking rod is rotatably connected to the bottom of the upstream cover plate, and the rotation axis of the second locking rod is along the width direction of the irrigation canal; the bottom of the first locking rod is movably abutted to the top of the second locking rod; one end fixed connection of actuating lever is in the second locking pole is kept away from the one end of first locking pole, rectangular hole has been seted up along its length direction on the actuating lever, the upper reaches fixedly connected with on the shutoff board with the actuating post of rectangular hole adaptation, the actuating post is kept away from the one end of shutoff board runs through rectangular hole.
By adopting the technical scheme, when a worker installs the plugging plate at the water inlet of the irrigation canal, under the locking action of the locking hook, the driving plate at the most upstream cannot move, so that the plugging plate at the tail end of the cover plate at the most upstream cannot move; when the downstream drive plate is impacted by water in the irrigation canal unit, the plugging plate at the head end of the downstream cover plate has a movement trend, the bottom of the first locking rod is further driven to be abutted to the top of the second locking rod, the second locking rod drives the drive rod to move, but the plugging plate at the tail end of the upstream cover plate cannot move, and then the drive rod cannot move under the barrier of the drive column, so that the movement of the downstream plugging plate is also limited in the whole process, and similarly, the movement of the downstream plugging plate is also limited.
When a worker dismantles the water inlet baffle and irrigates by using the irrigation canal, the locking effect of the driving plate is relieved, at the moment, the blocking plate drives the first locking rod to press towards the second locking rod, after the second locking rod is pressed, one end of the second locking rod, which is far away from the first locking rod, moves upwards so as to drive the driving rod to dial upwards, the driving rod dials upwards the driving column through the side wall of the strip hole, so that the upstream blocking plate is driven to move towards the water inlet hole, the movement of the downstream blocking plate provides further power for the movement of the upstream blocking plate, and even if slight blocking exists on the upstream blocking plate, the downstream blocking plate can drive the upstream blocking plate to relieve the blocking; overall, the motion of the plugging plate on the downstream cover plate forms a promotion effect on the motion of the plugging plate on the upstream cover plate, and the plugging effect of the plugging plate is further improved.
Optionally, a distance from an abutting point of the first locking rod and the second locking rod to a rotation center of the second locking rod is greater than a distance from the other end of the second locking rod to the rotation center of the second locking rod.
Through adopting above-mentioned technical scheme, the power arm that the butt point of first locking pole and second locking pole formed to second locking pole rotation center's distance is greater than the resistance arm that the other end of second locking pole formed to second locking pole rotation center's distance for first locking pole is more laborsaving when pressing the second locking pole, further has improved the promotion effect of downstream shutoff board motion to the upstream shutoff board motion.
Optionally, one side that the drive plate is close to irrigation canal unit upper reaches fixedly connected with floats the board, when there is not irrigation water in the irrigation canal, it is the incline condition to float the board, the contained angle between float board and the horizontal plane is the opening of acute angle and contained angle towards the upper reaches of irrigation canal unit.
Through adopting above-mentioned technical scheme, when the staff uses irrigation canal to irrigate, the floating plate can produce buoyancy under the effect of irrigation water, and the floating plate produces ascending component to the shutoff board for the shutoff effect of shutoff board to the inlet opening is better, further has improved the evaporation preventing nature of irrigation canal.
Optionally, two adjacent connecting rods are arranged in a staggered manner, one connecting rod is located on one side of the plugging plate along the width direction of the irrigation canal, and the other connecting rod is located on the other side of the plugging plate along the width direction of the irrigation canal.
Through adopting above-mentioned technical scheme, two adjacent connecting rods are located the both sides of shutoff board and make the atress of shutoff board comparatively even, have reduced the jamming phenomenon in the shutoff board motion process for the motion of shutoff board is more smooth.
Optionally, a water guiding groove is arranged between two adjacent water inlet holes at the top of the cover plate, and the water guiding groove is inclined downwards from the top of the cover plate to the water inlet holes.
Through adopting above-mentioned technical scheme, when meeting rainy day, when external rainwater falls on the apron, on the one hand, the guiding action is formed to the rainwater to the guiding gutter, on the other hand, because the guiding gutter slope sets up downwards, in the rainwater in the guiding gutter can more convenient entering inlet opening, synthesize two aspects, improved the water collecting performance of irrigation canal.
In a second aspect, a construction method of an irrigation canal adopts the following technical scheme:
step one: installing the plugging plate, the first locking rod, the second locking rod and the driving rod on the cover plate in advance;
step two: digging an installation groove at the position of the shrimp paddy field where irrigation channels are required to be laid, and completing the splicing of a plurality of irrigation channel units in the installation groove;
step three: the cover plate is sequentially laid on the irrigation unit, and the water inlet baffle and the water outlet baffle are respectively arranged at the water inlet and the water outlet of the irrigation canal.
By adopting the technical scheme, the construction steps of the irrigation canal are simple and convenient, and construction staff can conveniently construct the irrigation canal in the shrimp paddy field.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through seting up the inlet opening on the apron, set up the shutoff board in the bottom of apron, set up drive plate, synchronization module and locking mechanism, when the staff uses the irrigation canal to irrigate, under the combined action of drive plate and synchronization module, the shutoff board is to the inlet opening shutoff, thereby make irrigation canal have the evaporation proofness, when irrigation canal does not use, locking mechanism restriction shutoff board is to the inlet opening shutoff, external rainwater can get into in the irrigation canal from the inlet opening, make irrigation canal have water collection, in the entirety, make irrigation canal have evaporation proofness and water collection concurrently;
2. the wedge blocks are arranged at the positions, corresponding to the water inlet holes, of the bottom of the cover plate, and the floating plate is arranged on the driving plate and is in an inclined state, so that the plugging effect of the plugging plate on the water inlet holes is better, and the evaporation resistance of the irrigation canal is further improved;
3. through set up decurrent guiding gutter of slope at the top of apron for in the more convenient inlet opening of entering of rainwater, further improved the water collection performance of irrigation canal.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;
FIG. 2 is a schematic illustration of the connection between the cover plate, the closure plate, the synchronizing assembly and the locking mechanism of embodiment 1 of the present application;
FIG. 3 is an exploded view of the connection of the irrigation ditch unit, the water inlet baffle and the water outlet baffle of example 1 of the present application;
FIG. 4 is a schematic view in partial cross section of a cover plate in example 1 of the present application;
FIG. 5 is a schematic view of the structure of the cover plate and the plugging plate in example 1 of the present application;
FIG. 6 is a schematic view of the attachment of the closure plate and the drive plate of example 1 of the present application;
FIG. 7 is a schematic view showing the state of the locking assembly when the plugging plate is in the open state in embodiment 1 of the present application;
fig. 8 is a schematic view showing the state of the locking assembly when the plugging plate is in the closed state in embodiment 1 of the present application.
Reference numerals: 1. irrigation canal units; 11. a boss; 12. a clamping part; 2. a water inlet baffle; 3. a water outlet baffle; 4. a cover plate; 41. a water inlet hole; 42. a filter screen; 43. a water guide groove; 44. a hinge base; 45. wedge blocks; 5. a plugging plate; 51. a rotating lever; 6. a driving plate; 61. a floating plate; 7. a synchronization component; 71. a connecting rod; 8. a locking mechanism; 81. a locking hook; 811. a pull rod; 812. a protrusion; 82. a locking assembly; 821. a first lock lever; 822. a second lock lever; 823. a driving rod; 824. a slit hole; 825. and driving the column.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses a water-saving irrigation canal for a shrimp paddy field and a construction method thereof.
Example 1:
the embodiment 1 of the application discloses a water-saving irrigation canal for a shrimp paddy field.
Referring to fig. 1 and 2, the water-saving irrigation canal for the shrimp paddy field comprises a plurality of irrigation canal units 1, water inlet baffles 2, water outlet baffles 3 and a plurality of cover plates 4 which are spliced in sequence, wherein the plurality of cover plates 4 are in one-to-one correspondence with the plurality of irrigation canal units 1, and a plurality of water inlet holes 41 are formed in each cover plate 4 at intervals along the length direction of the irrigation canal; the bottom of apron 4 is provided with the shutoff board 5 that carries out shutoff to inlet opening 41, fixedly connected with drive board 6 that drive shutoff board 5 carried out shutoff to inlet opening 41 on one or more shutoff boards 5 in every irrigation canal unit 1, is provided with the synchro module 7 that is used for driving a plurality of shutoff boards 5 synchronous motion on every irrigation canal unit 1 in every irrigation canal unit 1, is provided with in the irrigation canal unit 1 and carries out locking mechanism 8 of locking to the motion of drive board 6.
When the staff uses the irrigation canal to irrigate, under the combined action of drive plate 6 and synchro module 7, shutoff board 5 shutoff to inlet opening 41, when irrigation canal does not use, locking mechanism 8 restriction shutoff board 5 shutoff to inlet opening 41, and external rainwater can be followed in inlet opening 41 gets into the irrigation canal.
Referring to fig. 3, the irrigation canal unit 1 is integrally U-shaped, the irrigation canal unit 1 is made of plastic such as PVC, HDPE and the like, and two ends of the irrigation canal unit 1 are fixedly connected with a protruding part 11 and a clamping part 12 respectively; when the constructor splices the two irrigation canal units 1 together, sealant is firstly smeared on the clamping part 12, and then the protruding part 11 is clamped on the clamping part 12.
Referring to fig. 3, the material of both the water inlet baffle 2 and the water outlet baffle 3 is the same as that of the irrigation canal unit 1; the water inlet baffle plate 2 is fixedly connected with a protruding part 11, the position of the uppermost stream irrigation canal unit 1 corresponding to the water inlet is fixedly connected with a clamping part 12, and when a constructor installs the water inlet baffle plate 2 on the uppermost stream irrigation canal unit 1, the protruding part 11 on the water inlet baffle plate 2 is clamped on the clamping part 12; the water outlet baffle 3 is fixedly connected with a clamping part 12, a protruding part 11 is fixedly connected to the position of the most downstream irrigation canal unit 1 corresponding to the water outlet, and when a constructor installs the water outlet baffle 3 on the most downstream irrigation canal unit 1, the clamping part 12 on the water outlet baffle 3 is clamped on the protruding part 11.
Referring to fig. 4, the cover plate 4 is rectangular overall, the cover plate 4 is made of plastic materials such as PVC, HPDE and the like, and the water inlet hole 41 is a square hole; in order to prevent foreign matters and shrimps from entering the irrigation canal unit 1 from the water inlet 41, a filter screen 42 is fixedly connected to the top of the cover plate 4 at a position corresponding to the water inlet 41.
Referring to fig. 4, a water guiding groove 43 is formed between two adjacent water inlet holes 41 at the top of the cover plate 4, the water guiding groove 43 is inclined downwards from the top of the cover plate 4 to the water inlet holes 41, and the top of the filter screen 42 is lower than the lowest part of the water guiding groove 43; when rainy day, when external rainwater falls on apron 4, on the one hand, guide channel 43 forms the guide effect to the rainwater, on the other hand, because guide channel 43 slope sets up downwards, in the rainwater in the guide channel 43 can more convenient entering inlet opening 41, synthesizes two aspects, has improved the water collecting performance of irrigation canal.
Referring to fig. 5, two hinge seats 44 are fixedly connected to the bottom of the cover plate 4 at positions corresponding to one side of the water inlet hole 41, the hinge seats 44 and the cover plate 4 are made of the same material, the two hinge seats 44 and the cover plate 4 are integrally formed, and the two hinge seats 44 are distributed at intervals along the width direction of the cover plate 4; one side of the plugging plate 5 corresponding to the length direction is fixedly connected with a rotating rod 51, two ends of the rotating rod 51 extend out of two opposite sides of the plugging plate 5, two ends of the rotating rod 51 are respectively hinged on two hinging seats 44, and the rotating axis is along the width direction of the cover plate 4; when the side of the plugging plate 5 away from the rotating rod 51 moves toward the bottom of the cover plate 4, the plugging plate 5 plugs the water inlet hole 41, and when the side of the plugging plate 5 away from the rotating rod 51 moves away from the bottom of the cover plate 4, the plugging plate 5 releases the plug of the water inlet hole 41.
Referring to fig. 5, a wedge 45 is fixedly connected to the cover plate 4 at a position corresponding to the water inlet 41, and the wedge 45 is communicated with the water inlet 41; the bottom of the wedge 45 is obliquely arranged, and the large end of the wedge 45 is close to the downstream of the irrigation canal unit 1; when the plugging plate 5 plugs the water inlet hole 41, the top of the plugging plate 5 is attached to the bottom of the wedge 45, on one hand, when the top of the plugging plate 5 is attached to the bottom of the wedge 45, the plugging plate 5 is in an inclined state, and when irrigation water in the irrigation canal unit 1 is impacted to the plugging plate 5, upward component force is formed, so that the plugging plate 5 is more tightly attached to the wedge 45, the plugging plate 5 is better in sealing the water inlet hole 41, and on the other hand, evaporated irrigation water can more conveniently fall back into the irrigation water along the plugging plate 5 under the action of gravity after being condensed on the plugging plate 5; by combining the two aspects, the evaporation resistance of the irrigation canal is further improved.
Referring to fig. 6, the driving plate 6 is rectangular overall, a connecting rod is arranged between the driving plate 6 and the plugging plate 5, the top of the connecting rod is fixedly connected to the bottom of the plugging plate 5, and the bottom of the connecting rod is fixedly connected to the top of the driving plate 6; because the driving plate 6 and the connecting rod are in a water-rich environment, the driving plate 6 and the connecting rod are made of plastic materials, such as PVC, HDPE and the like; when irrigation water is not in the irrigation canal, the driving plate 6 and the plugging plate 5 move downwards integrally under the action of gravity, and the plugging plate 5 does not plug the water inlet 41; when a worker irrigates by using the irrigation canal, under the impact of irrigation water, the driving plate 6 drives the blocking plate 5 to block the water inlet 41; in order to make the driving effect of the irrigation water on the plugging plates 5 better, a driving plate 6 can be further arranged at the bottoms of the plugging plates 5 in each irrigation canal unit 1.
Referring to fig. 6, a floating plate 61 is adhered to one side of the driving plate 6 near the upstream of the irrigation canal unit 1, the floating plate 61 is made of foam plastic, when irrigation water is not in the irrigation canal, the floating plate 61 is in an inclined state, an included angle between the floating plate 61 and a horizontal plane is an acute angle, and an opening of the included angle faces the upstream of the irrigation canal unit 1; when the staff uses the irrigation canal to irrigate, the floating plate 61 can produce buoyancy under the effect of irrigation water, and the floating plate 61 produces ascending component force to the shutoff board 5 for the shutoff effect of shutoff board 5 to inlet opening 41 is better, has further improved the evaporation preventing nature of irrigation canal.
Referring to fig. 6, the synchronizing assembly 7 includes a plurality of links 71; each connecting rod 71 is arranged between two adjacent blocking plates 5, one end of each connecting rod 71 is hinged on one blocking plate 5, the rotation axis of each connecting rod is along the width direction of the irrigation canal, and the other end of each connecting rod 71 is hinged on the other blocking plate 5, and the rotation axis of each connecting rod is along the width direction of the irrigation canal; the connecting line of the rotation centers of two adjacent plugging plates 5, the connecting line between the rotation center of one plugging plate 5 and the rotation center of the corresponding end part of the connecting rod 71, the connecting line between the rotation centers of the two end parts of the connecting rod 71, the connecting line between the rotation center of the other plugging plate 5 and the center of the corresponding end part of the connecting rod 71, and the four connecting lines enclose a parallelogram; when one of the plugging plates 5 on one of the cover plates 4 is driven by the driving plate 6, the connecting rod 71 drives one of the adjacent plugging plates 5 to move, the driven plugging plate 5 drives the next plugging plate 5 to move, and so on, after one of the plugging plates 5 moves, the rest of the plugging plates 5 synchronously move.
Referring to fig. 2, in order to make the stress of the blocking plate 5 more uniform, two adjacent links 71 are alternately arranged, wherein one link 71 is positioned at one side of the blocking plate 5 in the width direction of the irrigation canal, and the other link 71 is positioned at the other side of the blocking plate 5 in the width direction of the irrigation canal; after the stress of the plugging plate 5 is even, the clamping stagnation phenomenon in the movement process of the plugging plate 5 is reduced, so that the movement of the plugging plate 5 is smoother.
In other embodiments, the synchronization assembly 7 may further be a plurality of sets of first gears, second gears and third gears, where each set of first gears, second gears and third gears are respectively disposed between two adjacent plugging plates 5; the first gear is coaxially fixedly connected to the rotating rod 51 corresponding to one of the plugging plates 5, the second gear is coaxially fixedly connected to the rotating rod 51 corresponding to the adjacent plugging plate 5, the third gear is arranged between the first gear and the second gear, the third gear is rotatably connected to the cover plate 4, the rotation axis of the third gear is parallel to the rotation axis of the first gear, the first gear is meshed with the third gear, and the third gear is meshed with the second gear.
When one of the plugging plates 5 moves, the first gear rotates to drive the third gear to rotate in the opposite direction, the third gear drives the second gear to rotate in the same direction as the first gear, and the second gear drives the adjacent plugging plates 5 to synchronously move.
Referring to fig. 2, the locking mechanism 8 includes a locking hook 81 for locking the movement of the driving plate 6 and a plurality of locking assemblies 82 for locking the movement of the blocking plate 5, the locking hooks 81 being provided; specifically, the locking hook 81 includes a pull rod 811 and a protrusion 812, both of which are made of plastic materials such as PVC and HDPE, and are integrally formed; the locking rod is fixedly connected to the inner side of the water inlet baffle 2, and the bulge 812 is fixedly connected to the top of the pull rod 811 and is positioned at one end of the pull rod 811 away from the water inlet baffle 2; when constructors install the water inlet baffle plate 2, the cover plate 4 is lifted, and when the water inlet baffle plate 2 is clamped on the irrigation canal unit 1, the driving plate 6 is clamped by the bulges 812, and the driving plate 6 cannot move along the flowing direction of irrigation water; the locking assembly 82 is disposed between two adjacent cover plates 4, and the locking assembly 82 is used for locking the movement of the plugging plate 5 at the tail end of one cover plate 4 and the movement of the plugging plate 5 at the head end of the other cover plate 4.
Referring to fig. 2, 7 and 8, the locking assembly 82 includes a first locking rod 821, a second locking rod 822 and a driving rod 823, all of which are made of plastic materials such as PVC and HDPE; the first locking rod 821 is fixedly connected to the corresponding rotating rod 51 of the downstream plugging plate 5, and the first locking rod 821 faces the upstream plugging plate 5; the second locking lever 822 is rotatably connected to the wedge 45 and has a rotation axis along the width direction of the irrigation canal; the bottom of the first locking rod 821 is movably abutted against the top of the second locking rod 822; one end of the driving rod 823 is fixedly connected to one end, far away from the first locking rod 821, of the second locking rod 822, a long-strip hole 824 is formed in the driving rod 823 along the length direction of the driving rod 823, a driving column 825 matched with the long-strip hole 824 is fixedly connected to the upstream plugging plate 5, and one end, far away from the plugging plate 5, of the driving column 825 penetrates through the long-strip hole 824.
When a worker installs the plugging plate 5 at the water inlet of the irrigation canal, under the clamping action of the protrusion 812, the driving plate 6 at the most upstream cannot move, so that the plugging plate 5 at the tail end of the cover plate 4 at the most upstream cannot move; when the downstream driving plate 6 is impacted by water in the irrigation canal unit 1, the plugging plate 5 at the head end of the downstream cover plate 4 has a movement tendency, so that the bottom of the first locking rod 821 is driven to abut against the top of the second locking rod 822, the second locking rod 822 drives the driving rod 823 to move, but the plugging plate 5 at the tail end of the upstream cover plate 4 cannot move, and further, under the blocking of the driving column 825, the driving rod 823 cannot move, the movement of the downstream plugging plate 5 is also limited, and similarly, the movement of the downstream plugging plate 5 is also limited.
When a worker dismantles the water inlet baffle 2 and irrigates by using the irrigation canal, the locking effect of the driving plate 6 is relieved, at the moment, the blocking plate 5 drives the first locking rod 821 to press towards the second locking rod 822, after the second locking rod 822 is pressed, one end of the second locking rod 822 away from the first locking rod 821 moves upwards, and then drives the driving rod 823 to dial upwards, the driving rod 823 dials upwards the driving column 825 through the side wall of the strip hole 824, so that the upstream blocking plate 5 is driven to move towards the water inlet hole 41, the downstream blocking plate 5 provides further power for the upstream blocking plate 5, and even if the upstream blocking plate 5 is slightly blocked occasionally, the downstream blocking plate 5 drives the upstream blocking plate 5 to release the blocking; overall, the movement of the plugging plate 5 on the downstream cover plate 4 plays a role in promoting the movement of the plugging plate 5 on the upstream cover plate 4, and further improves the plugging effect of the plugging plate 5.
In order to make the first locking lever 821 more labor-saving when pressing the second locking lever 822, referring to fig. 7 and 8, the distance from the abutting point of the first locking lever 821 and the second locking lever 822 to the rotation center of the second locking lever 822 is greater than the distance from the other end of the second locking lever 822 to the rotation center of the second locking lever 822; the distance from the abutting point of the first locking rod 821 and the second locking rod 822 to the rotation center of the second locking rod 822 forms a power arm which is larger than a resistance arm formed by the distance from the other end of the second locking rod 822 to the rotation center of the second locking rod 822, so that the first locking rod 821 is more labor-saving when pressing the second locking rod 822, and the promotion effect of the movement of the downstream plugging plate 5 on the movement of the upstream plugging plate 5 is further improved.
In other embodiments, the lock assembly 82 may also be a fourth gear, a fifth gear, and a drive rod 823; the fourth gear is coaxially and fixedly connected to a rotating rod 51 corresponding to the downstream plugging plate 5, the fifth gear is rotatably connected to the wedge 45, the rotating axis is along the width direction of the irrigation canal, and the fourth gear is meshed with the fifth gear; one end of the driving rod 823 is fixedly connected to one side, far away from the fourth gear, of the fifth gear, a long-strip hole 824 is formed in the driving rod 823 along the length direction of the driving rod 823, a driving column 825 matched with the long-strip hole 824 is fixedly connected to the upstream plugging plate 5, and one end, far away from the plugging plate 5, of the driving column 825 penetrates through the long-strip hole 824.
When a worker installs the plugging plate 5 at the water inlet of the irrigation canal, under the clamping action of the protrusion 812, the driving plate 6 at the most upstream cannot move, so that the plugging plate 5 at the tail end of the cover plate 4 at the most upstream cannot move; when the downstream driving plate 6 is impacted by water in the irrigation canal unit 1, the plugging plate 5 at the head end of the downstream cover plate 4 has a movement tendency, so that the fourth gear is driven to drive the fifth gear to rotate, the fifth gear drives the driving rod 823 to move, but the plugging plate 5 at the tail end of the upstream cover plate 4 cannot move, so that the driving rod 823 cannot move under the barrier of the driving post 825, the movement of the downstream plugging plate 5 is limited in the whole process, and similarly, the movement of the downstream plugging plate 5 is also limited.
The implementation principle of embodiment 1 of the present application is: when the staff completes the splicing of the irrigation canal unit 1 and the laying of the cover plate 4 in the shrimp paddy field and irrigates by using the irrigation canal, under the impact action of the irrigation water, the driving plate 6 drives the blocking plate 5 to block the water inlet hole 41, and simultaneously, under the action of the plurality of connecting rods 71, the plurality of blocking plates 5 complete the synchronous blocking of the water inlet hole 41, and the irrigation water evaporated in the process of flowing in the irrigation canal is blocked by the blocking plate 5, so that the evaporation of the irrigation water flowing in the irrigation canal is reduced; when irrigation of the irrigation canal is finished, the water inlet baffle 2 and the water outlet baffle 3 are used for blocking the water inlet and the water outlet of the irrigation canal respectively, at the moment, the locking hooks 81 lock the driving plate 6, the blocking plate 5 cannot block the water inlet holes 41 under the action of the locking components 82, when rainy days, external rainwater enters the irrigation canal through the water inlet holes 41, and under the blocking action of the water inlet baffle 2 and the water outlet baffle 3, the rainwater temporarily exists in the irrigation canal; in summary, the irrigation ditch has evaporation resistance and water collection, so that the water-saving performance of the irrigation ditch is good.
Example 2:
embodiment 2 of the application discloses a construction method of irrigation canal, comprising the following steps:
step one: the plugging plate 5, the first locking lever 821, the second locking lever 822 and the driving lever 823 are mounted on the cover plate 4 in advance;
step two: digging an installation groove at the position of the shrimp paddy field where irrigation channels are required to be laid, and completing the splicing of a plurality of irrigation channel units 1 in the installation groove;
step three: the cover plate 4 is sequentially paved on the irrigation unit, and the water inlet baffle plate 2 and the water outlet baffle plate 3 are respectively arranged at the water inlet and the water outlet of the irrigation canal.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides a shrimp paddy field is with water-saving irrigation canal, includes a plurality of irrigation canal units (1), water inlet baffle (2) and play water baffle (3) of concatenation in proper order, its characterized in that: the irrigation ditch comprises irrigation ditch units (1), and is characterized by further comprising a plurality of cover plates (4), wherein the cover plates (4) are in one-to-one correspondence with the irrigation ditch units (1), and a plurality of water inlet holes (41) are formed in the cover plates (4) at intervals along the length direction of the irrigation ditch;
the bottom of the cover plate (4) is rotatably connected with a plugging plate (5) at a position corresponding to the water inlet hole (41) and the rotation axis is along the width direction of the irrigation canal;
a driving plate (6) is fixedly connected to one or more plugging plates (5) in each irrigation canal unit (1), and the driving plate (6) is used for driving the plugging plates (5) to plug the water inlet holes (41);
a synchronizing assembly (7) is arranged in each irrigation canal unit (1), and the synchronizing assembly (7) is used for driving a plurality of plugging plates (5) on each irrigation canal unit (1) to synchronously move;
a locking mechanism (8) is arranged in the irrigation canal unit (1), and when the water inlet baffle (2) and the water outlet baffle (3) respectively block the water inlet and the water outlet of the irrigation canal, the locking mechanism (8) locks the movement of the driving plate (6);
-the synchronizing assembly (7) comprises a plurality of links (71);
each connecting rod (71) is arranged between two adjacent blocking plates (5), one end of each connecting rod (71) is rotationally connected to one blocking plate (5) and the rotation axis of each connecting rod is along the width direction of the irrigation canal, and the other end of each connecting rod (71) is rotationally connected to the other blocking plate (5) and the rotation axis of each connecting rod is along the width direction of the irrigation canal;
the connecting lines of the rotation centers of the two ends of the connecting rod (71) are parallel to the connecting lines between the rotation centers of the two adjacent plugging plates (5);
the distance between the rotation centers of the two ends of the connecting rod (71) is equal to the distance between the rotation centers of the two adjacent plugging plates (5);
the locking mechanism (8) comprises a locking hook (81) and a plurality of locking assemblies (82);
the locking hook (81) is fixedly connected to the water inlet baffle (2), and when the water inlet baffle (2) is installed at the position of the water inlet of the most upstream irrigation canal unit (1), the locking hook (81) limits the movement of the most upstream driving plate (6);
the locking assembly (82) is arranged between two adjacent cover plates (4), and the locking assembly (82) is used for locking the movement of the plugging plate (5) at the tail end of one cover plate (4) and the movement of the plugging plate (5) at the head end of the other cover plate (4);
the locking assembly (82) comprises a first locking rod (821), a second locking rod (822) and a driving rod (823);
the first locking rod (821) is fixedly connected to the downstream plugging plate (5) and faces the upstream plugging plate (5);
the second locking rod (822) is rotatably connected to the bottom of the cover plate (4) at the upstream side, and the rotation axis is along the width direction of the irrigation canal;
the bottom of the first locking rod (821) is movably abutted to the top of the second locking rod (822);
one end fixed connection of actuating lever (823) is in second locking pole (822) is kept away from the one end of first locking pole (821), elongated hole (824) have been seted up along its length direction on actuating lever (823), the upper reaches fixedly connected with on shutoff board (5) with actuating post (825) of elongated hole (824) adaptation, actuating post (825) are kept away from one end of shutoff board (5) runs through elongated hole (824).
2. A water-saving irrigation ditch for a shrimp paddy field according to claim 1, wherein: a wedge block (45) is fixedly connected to the position of the cover plate (4) corresponding to the water inlet hole (41), and the wedge block (45) is communicated with the water inlet hole (41); the bottom of the wedge block (45) is obliquely arranged, and the thickness of the wedge block (45) along the vertical direction is gradually increased along the direction of water flow in the irrigation canal;
the top of the plugging plate (5) is detachably attached to the bottom of the wedge block (45).
3. A water-saving irrigation ditch for a shrimp paddy field according to claim 1, wherein: the distance from the abutting point of the first locking rod (821) and the second locking rod (822) to the rotation center of the second locking rod (822) is larger than the distance from the other end of the second locking rod (822) to the rotation center of the second locking rod (822).
4. A water-saving irrigation ditch for a shrimp paddy field according to claim 1, wherein: one side that drive plate (6) is close to irrigation canal unit (1) upper reaches fixedly connected with floats board (61), when there is not irrigation water in the irrigation canal, float board (61) are the incline condition, the contained angle between float board (61) and the horizontal plane is the opening of acute angle and contained angle towards the upper reaches of irrigation canal unit (1).
5. A water-saving irrigation ditch for a shrimp paddy field according to claim 1, wherein: two adjacent connecting rods (71) are arranged in a staggered mode, one connecting rod (71) is located on one side of the blocking plate (5) along the width direction of the irrigation canal, and the other connecting rod (71) is located on the other side of the blocking plate (5) along the width direction of the irrigation canal.
6. A water-saving irrigation ditch for a shrimp paddy field according to claim 1, wherein: a water guide groove (43) is formed in the position, between two adjacent water inlet holes (41), of the top of the cover plate (4), and the water guide groove (43) is downwards inclined from the top of the cover plate (4) to the water inlet holes (41).
7. A construction method of irrigation canal based on the water-saving irrigation canal for shrimp paddy field as in any one of claims 1-6, characterized in that: the method comprises the following steps:
step one: the plugging plate (5), the first locking rod (821), the second locking rod (822) and the driving rod (823) are arranged on the cover plate (4) in advance;
step two: digging an installation groove at the position of the shrimp paddy field where irrigation channels are required to be laid, and completing the splicing of a plurality of irrigation channel units (1) in the installation groove;
step three: the cover plate (4) is sequentially paved on the irrigation unit, and the water inlet baffle (2) and the water outlet baffle (3) are respectively arranged at the water inlet and the water outlet of the irrigation canal.
CN202210926004.7A 2022-08-03 2022-08-03 Water-saving irrigation canal for shrimp paddy field and construction method thereof Active CN115305887B (en)

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