CN115772878A - Adjustable drainage safety gate for farmland drainage ditch - Google Patents
Adjustable drainage safety gate for farmland drainage ditch Download PDFInfo
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- CN115772878A CN115772878A CN202310100476.1A CN202310100476A CN115772878A CN 115772878 A CN115772878 A CN 115772878A CN 202310100476 A CN202310100476 A CN 202310100476A CN 115772878 A CN115772878 A CN 115772878A
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Abstract
The invention is suitable for agricultural drainage, and provides an adjustable drainage safety gate of a farmland drainage canal, which comprises a gate pier, a gate beam, a bottom weir and a gate body, wherein the gate body comprises a gate cylinder, a gate body, a floating plate and a linkage assembly, the outer side wall of the gate pier is provided with a mounting groove, an auxiliary pier is arranged in the mounting groove, an adjusting mechanism for driving the auxiliary pier to move is arranged in the gate pier, the gate pier is provided with a stabilizing assembly, and the stabilizing assembly comprises a piston cavity, a third piston, a second connecting rod, a first spring, a single-stage flywheel, a driving rod and a driving pin; after the drainage, the initial condition is resumeed in the outlet, keeps the water level stability in the irrigation canals and ditches, stabilizes the subassembly through setting up, guarantees the stability of gate.
Description
Technical Field
The invention belongs to agricultural drainage, and particularly relates to an adjustable drainage safety gate of a farmland drainage ditch.
Background
The farmland drainage ditch is a water channel which is formed naturally or is formed by artificial excavation and assists farmland drainage; the farmland drainage ditch mainly has the functions of three aspects: firstly, the functions of reducing water stains and draining stagnant water are achieved; secondly, water storage function; thirdly, the functions of reducing nutrient loss and pollution in the farm field; in order to fully exert each function of a farmland drainage ditch, a water weir or a gate is usually arranged in the ditch;
chinese patent CN103938599B discloses an adjustable self-drainage safety gate suitable for farmland drainage canal, which comprises a gate body, a gate opening device and a gate resetting device. The gate body includes gate pier and crossbeam, installs the pipe of permeating water on the gate pier. The gate comprises a bottom weir, a movable gate, a hinge, a cross bar, a support rod and an adjustable hinge, wherein the bottom weir is connected with the movable gate through the hinge, and the support rod is connected with the movable gate through the adjustable hinge. The gate opening device comprises a water tank, a balancing weight, a swing rod and a support, and the swing rod is fixed on the gate pier through a rotating shaft. The gate resetting device comprises a roller, a roller bracket, a reduction gearbox, a hand wheel and a guy cable, wherein the reduction gearbox is connected with the roller bracket through an output shaft, and the roller is connected with the movable gate through the guy cable.
In the above-mentioned patent, when taking place the flood, through the direct release gate, make the gate empty to the gate outside under the effect of self gravity and rivers thrust, carry out quick drainage, on the one hand, the gate directly emptys, causes the damage easily to irrigation canals and ditches and gate, and on the other hand, the gate is opened the at utmost once, and discharge of water is very big in the twinkling of an eye, and is great to the impact force of irrigation canals and ditches to, behind the drainage, the gate need be through manual reset, and the operation is more troublesome.
Disclosure of Invention
The invention provides an adjustable drainage safety gate of a farmland drainage ditch, and aims to solve the problems.
The invention is realized in this way, an adjustable flood drainage safety gate for farmland drainage ditches, comprising:
the gate pier comprises two gate piers which are symmetrically arranged, and a gate beam and a bottom weir are respectively and fixedly connected between the top and the bottom of each gate pier;
install the gate body between gate beam and end weir, the gate body includes:
the top and the bottom of the gate cylinder are respectively abutted against the gate beam and the bottom weir, and the cylinder walls on two sides of the gate cylinder are provided with openings;
the gate comprises two gate bodies which are arranged in a gate cylinder and are opposite up and down, wherein a water outlet is formed between the two gate bodies, and the gate bodies are arc-shaped and are in sliding connection with the cylinder wall of the gate cylinder;
the floating plate is arranged on the gate beam, one end of the floating plate is rotatably connected with the gate beam, and the other end of the floating plate is provided with an air bag;
the linkage assembly is connected between the floating plate and the two door bodies, when the floating plate rotates upwards, the linkage assembly drives the two door bodies to be far away, and when the floating plate rotates downwards, the linkage assembly drives the two door bodies to be close to each other.
Preferably, the brake cylinder is rotatably installed between the two brake piers, and the brake piers are provided with power motors for driving the brake cylinder to rotate.
Preferably, an air tap is arranged on the air bag.
Preferably, the linkage assembly comprises:
the sector gear is fixed at one end of the floating plate, which is far away from the air bag, and the circle center of the sector gear is superposed with the rotation center of the floating plate;
the brake system comprises a first cylinder body fixed on a brake beam, wherein a first piston is arranged in the first cylinder body in a vertical sliding manner, a first connecting rod is fixed on the first piston, and a rack meshed with a sector gear is arranged on the first connecting rod;
the bottom end of the first cylinder body is communicated with one end, close to the door bodies, of the second cylinder body through an air pipe, a fourth piston is arranged in the second cylinder body, a threaded rod is rotatably mounted on one side, close to the door bodies, of the fourth piston, and the threaded rod is located between the two door bodies;
the connecting shaft is fixed on the end wall of the brake cylinder, the axis of the connecting shaft is superposed with the central line of the brake cylinder, two third connecting rods are rotatably mounted on the connecting shaft, and the two third connecting rods are respectively hinged with the two door bodies;
a second internal thread sleeve is connected to the threaded rod in a threaded manner, two second connecting rods are hinged to the second internal thread sleeve, and the two second connecting rods are hinged to two third connecting rods respectively;
the other side of the fourth piston is fixed with a supporting rod, one end of the supporting rod, which is far away from the fourth piston, penetrates through the second cylinder body and extends to the outside of the second cylinder body, a third spring is connected between the supporting rod and the second cylinder body, and the acting force of the third spring on the supporting rod faces one side of the door body.
Preferably, the mounting groove has been seted up on the lateral wall of gate pier, be provided with supplementary mound in the mounting groove, supplementary mound and gate pier horizontal sliding connection, install the adjustment mechanism who is used for driving supplementary mound and removes in the gate pier.
Preferably, the adjustment mechanism comprises:
the bidirectional screw rod is vertically and rotatably arranged in the gate pier;
the two first internal thread sleeves are in threaded connection with the two thread sections of the two-way screw rod;
connect the first connecting rod between first internal thread cover and supplementary mound, first connecting rod both ends are articulated with first internal thread cover and supplementary mound respectively.
Preferably, a stabilizing assembly is mounted on the gate pier, and comprises:
the piston cavity is formed in the side wall, close to the water flow direction, of the gate pier, the length direction of the piston cavity is parallel to the water flow direction, and a third piston is arranged in the piston cavity;
the second connecting rod is fixed on the third piston, a first spring is sleeved on the second connecting rod in the piston cavity, two ends of the first spring are respectively abutted against the third piston and one end of the piston cavity, and the acting force of the first spring on the third piston is opposite to the water flow direction;
the single-stage flywheel is arranged on the bidirectional screw rod, and an arc track is fixed on the outer side wall of the single-stage flywheel;
the driving rod is rotatably connected to the two-way screw rod and is positioned on one side of the single-stage flywheel, a pin shaft is fixed at one end, close to the driving rod, of the second connecting rod, and a movable groove for the pin shaft to penetrate through and slide is formed in the driving rod;
the driving pin is fixed on the driving rod and inserted into the circular arc track, a second spring is arranged in the circular arc track, two ends of the second spring are respectively connected with the driving pin and one end of the circular arc track, and the acting force of the second spring on the driving pin is in the anticlockwise direction.
Preferably, a plurality of connecting anchors are fixed on the outer side wall of the auxiliary pier at intervals, and the connecting anchors are inserted into the side slope of the ditch.
Preferably, be equipped with the second piston in the tie-in anchor, be connected with many curved inflation pieces between the one end that supplementary mound was kept away from to second piston and tie-in anchor, be equipped with a plurality of bulges on the lateral wall of inflation piece, set up the logical groove that supplies the motion of arc inflation piece on the lateral wall on the tie-in anchor, the piston chamber is equipped with the one end intercommunication of second piston through first communicating pipe and tie-in anchor.
Preferably, the gate pier is fixedly connected with a side slope of the ditch, and the bottom weir is fixedly connected with a ditch bed of the ditch.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
according to the adjustable drainage safety gate for the farmland drainage ditch, the gate pier, the gate beam, the bottom weir and the gate body are arranged, the gate body comprises the gate cylinder, the door bodies, the floating plates and the linkage assembly, when a flood disaster happens, the water level in the farmland and the ditch quickly rises, the floating plates are pushed by the buoyancy of water on the floating plates and the air bags to gradually rotate upwards, the floating plates drive the two door bodies to be far away through the linkage assembly, so that the drainage outlet is enlarged, the water in the ditch is quickly drained, and the loss caused by overhigh water level of the farmland and overlong water flooding time is effectively prevented; after drainage, the water level in the ditch descends, the floating plate rotates downwards under gravity, the two door bodies are driven to be close through the linkage assembly, the initial state is recovered, and the water level in the ditch is kept stable.
According to the adjustable drainage safety gate of the farmland drainage ditch, the stable assembly and the stable assembly are arranged, the stable assembly comprises the piston cavity, the third piston, the second connecting rod, the first spring, the single-stage flywheel, the driving rod and the driving pin, and when a flood disaster happens, the auxiliary pier is further abutted against the side slope of the ditch, so that the stability of the gate is ensured.
Drawings
FIG. 1 is a schematic structural view of an adjustable drainage safety gate for a farmland drainage ditch provided by the invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic structural view of a gate body of the adjustable drainage safety gate of the farmland drainage ditch provided by the invention;
FIG. 4 is a schematic structural diagram of a stabilizing assembly in an adjustable drainage safety gate of a farmland drainage ditch provided by the invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a schematic structural diagram of a single-stage flywheel in an adjustable flood drainage safety gate of a farmland drainage ditch provided by the invention;
fig. 7 is a schematic structural view of a connecting anchor in an adjustable flood drainage safety gate of a farmland drainage ditch provided by the invention.
Notations for reference numerals: 1. a brake beam; 2. an air bag; 3. a floating plate; 4. a sector gear; 5. a first cylinder; 6. a first piston; 7. a first connecting rod; 8. a bidirectional screw rod; 9. a gate pier; 10. auxiliary piers; 11. a trench; 12. connecting an anchor; 13. a first link; 14. a first internally threaded sleeve; 15. a single-stage flywheel; 16. a gate body; 17. a bottom weir; 18. an intumescent sheet; 19. a second piston; 20. a first spring; 21. a second connecting rod; 22. a drive rod; 23. a drive pin; 24. a circular arc track; 25. a second spring; 26. a third piston; 27. a first communication pipe; 28. a brake cylinder; 29. a door body; 30. a third connecting rod; 31. a threaded rod; 32. a second internal thread bushing; 33. a second link; 34. a second cylinder; 35. a third spring; 36. a fourth piston; 37. an air tap.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the foregoing drawings are used for distinguishing between different objects and not for describing a particular sequential order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
An embodiment of the present invention provides an adjustable drainage safety gate for a drainage ditch of a farmland, as shown in fig. 1 to 7, including:
the gate comprises two gate piers 9 which are symmetrically arranged, wherein a gate beam 1 and a bottom weir 17 are respectively and fixedly connected between the tops and the bottoms of the two gate piers 9, a welding fixing mode can be adopted, the gate piers 9 are fixedly connected with a side slope of a ditch 11, the bottom weir 17 is fixedly connected with a ditch bed of the ditch 11, and a concrete pouring fixing mode can be adopted;
a gate body 16 installed between the gate beam 1 and the bottom weir 17, the gate body 16 comprising:
the top and the bottom of the brake cylinder 28 are respectively abutted against the brake beam 1 and the bottom weir 17, and the cylinder walls on two sides of the brake cylinder 28 are both provided with openings;
the brake cylinder 28 can be rotatably installed between the two brake piers 9 and can be rotatably installed through a rotating shaft, a bearing and a bearing seat, the position of the opening is adjusted through rotating the brake cylinder 28, a power motor for driving the brake cylinder 28 to rotate can be installed on the brake piers 9, and the brake cylinder 28 can be driven to rotate manually;
the two door bodies 29 are arranged in the gate cylinder 28 and are opposite up and down, a water outlet is formed between the two door bodies 29, the door bodies 29 are arc-shaped and are in sliding connection with the cylinder wall of the gate cylinder 28, sliding rails can be fixed on the outer side walls of the door bodies 29 through screws, and sliding grooves in sliding connection with the sliding rails are formed in the cylinder wall of the gate cylinder 28;
the floating plate 3 is arranged on the brake beam 1, one end of the floating plate 3 is rotatably connected with the brake beam 1, the other end of the floating plate 3 is provided with the air bag 2, the air bag 2 can be provided with an air nozzle 37, the air nozzle 37 is connected with an inflator to inflate the air bag 2, and the air nozzle 37 can be opened to deflate the air bag 2 to adjust the buoyancy;
and the linkage assembly is connected between the floating plate 3 and the two door bodies 29, when the floating plate 3 rotates upwards, the linkage assembly drives the two door bodies 29 to be away from each other, and when the floating plate 3 rotates downwards, the linkage assembly drives the two door bodies 29 to be close to each other.
It can be understood that, under normal conditions, the water level in the ditch 11 is low, water flows from the water outlet to the downstream, the water level in the ditch 11 is stable, when a flood disaster occurs, the water level in the farmland and the ditch 11 rapidly rises, the buoyancy of water to the floating plate 3 and the air bag 2 pushes the floating plate 3 to gradually rotate upwards, the floating plate 3 drives the two door bodies 29 to be far away through the linkage assembly, so that the water outlet is enlarged, water in the gate is rapidly discharged, and the loss caused by overhigh water level of the farmland and overlong flooding time is effectively prevented; after drainage, the water level in the ditch 11 drops, the floating plate 3 rotates downwards under the gravity, the two door bodies 29 are driven to be close to each other through the linkage assembly, the initial state is recovered, and the water level in the ditch 11 is kept stable.
Wherein, the linkage subassembly includes:
the sector gear 4 fixed at one end of the floating plate 3, which is far away from the air bag 2, can be fixed by welding, and the circle center of the sector gear 4 is superposed with the rotation center of the floating plate 3;
the first cylinder body 5 is fixed on the brake beam 1 through bolts, a first piston 6 is arranged in the first cylinder body 5 in a sliding mode up and down, a first connecting rod 7 is fixed on the first piston 6 and can be fixed through welding, and a rack meshed with the sector gear 4 is arranged on the first connecting rod 7;
the second cylinder 34 is fixed in the brake cylinder 28, the second cylinder 34 and the end wall of the brake cylinder 28 can be welded and fixed, the bottom end of the first cylinder 5 is communicated with one end, close to the door body 29, of the second cylinder 34 through an air pipe, a fourth piston 36 is arranged in the second cylinder 34, a threaded rod 31 is rotatably mounted on one side, close to the door body 29, of the fourth piston 36, and can be rotatably mounted through a bearing and a bearing seat, and the threaded rod 31 is located between the two door bodies 29;
the connecting shaft fixed on the end wall of the brake cylinder 28 can be fixed by welding, the axis of the connecting shaft is superposed with the central line of the brake cylinder 28, two third connecting rods 30 are rotatably mounted on the connecting shaft, and the two third connecting rods 30 are respectively hinged with the two door bodies 29;
a second internal thread sleeve 32 is connected to the threaded rod 31 in a threaded manner, two second connecting rods 33 are hinged to the second internal thread sleeve 32, and the two second connecting rods 33 are respectively hinged to the two third connecting rods 30;
a supporting rod is fixed on the other side of the fourth piston 36, one end of the supporting rod, which is far away from the fourth piston 36, penetrates through the second cylinder 34 and extends to the outside of the second cylinder, a third spring 35 is connected between the supporting rod and the second cylinder 34, the third spring 35 can be sleeved on the supporting rod, two ends of the third spring are respectively hooked with the supporting rod and the second cylinder 34, the acting force of the third spring 35 on the supporting rod faces one side of the door body 29, the third spring 35 can be a tension spring, and the designed performances such as tensile force, strength and rigidity are excellent;
it should be explained that, under normal conditions, the third spring 35 can apply an acting force a towards one side of the door body 29 to the fourth piston 36 through the supporting rod, the door body 29 applies an acting force B towards one side away from the door body 29 to the fourth piston 36 through the third connecting rod 30, the second connecting rod 33, the second internal thread sleeve 32 and the threaded rod 31, and an acting force C of water flow borne by each component, wherein the acting force a is greater than the sum of the acting force B and the acting force C, the two door bodies 29 are supported through the two third connecting rods 30, so that the water outlet is in an open state, the threaded rod 31 can drive the second internal thread sleeve 32 to move by rotating the threaded rod 31, the second internal thread sleeve 32 drives the third connecting rod 30 to move through the second connecting rod 33, and the third connecting rod 30 drives the door body 29 to move, so that the size of the water outlet can be manually adjusted, and different water drainage requirements can be met;
further, when a flood disaster occurs, the water level in the farmland and the ditch 11 rises rapidly, the buoyancy of the water on the floating plate 3 and the airbag 2 pushes the floating plate 3 to rotate upwards gradually, the weight and the force arm length of the floating plate 3 can be designed as required, the force arm is more and more labor-saving as the force arm is longer, the floating plate 3 drives the sector gear 4 to rotate, the sector gear 4 drives the first connecting rod 7 to move downwards through the rack, the first connecting rod 7 drives the first piston 6 to move downwards, the first piston 6 presses the medium in the first cylinder 5 into the second cylinder 34 through the air pipe, then the fourth piston 36 is pushed to move towards the side far away from the door body 29, the fourth piston 36 drives the threaded rod 31 and the second internal thread sleeve 32 to move towards the side far away from the door body 29, the second internal thread sleeve 32 drives the two door bodies 29 to be far away from each other through the second connecting rod 33 and the third connecting rod 30, a water outlet is enlarged, water in a gate is quickly drained, along with drainage, the water level in the ditch 11 is gradually lowered, the floating plate 3 also gradually rotates downwards, the floating plate 3 drives the sector gear 4 to rotate reversely, the sector gear 4 drives the first piston 6 to move upwards through the first connecting rod 7, a medium in the second cylinder 34 returns to the first cylinder 5, under the action of the third spring 35, the fourth piston 36, the threaded rod 31 and the second internal thread sleeve 32 are driven to move towards one side of the door body 29 through the supporting rod, the second internal thread sleeve 32 drives the two door bodies 29 to reset through the second connecting rod 33 and the third connecting rod 30, and the water outlet is restored to a normal state;
furthermore, the height position of the water outlet can be changed by rotating the brake cylinder 28, namely the lowest position of the water outlet is adjusted, so that the water level height in the ditch 11 under normal conditions can be adjusted, and different agricultural planting requirements can be met;
in the embodiment, an installation groove is formed in the outer side wall of the gate pier 9, an auxiliary pier 10 is arranged in the installation groove, the auxiliary pier 10 is horizontally connected with the gate pier 9 in a sliding manner, and an adjusting mechanism for driving the auxiliary pier 10 to move is arranged in the gate pier 9 in a sliding connection manner of a sliding block and a sliding groove, so that the gate can adapt to channels 11 with different width sizes;
wherein the adjustment mechanism comprises:
the bidirectional screw 8 is vertically and rotatably arranged in the gate pier 9 and is rotatably arranged through a bearing and a bearing seat, the top end of the bidirectional screw 8 extends to the upper part of the gate beam 1 and is fixedly welded with a hand wheel, and the bidirectional screw 8 can be driven to rotate through the hand wheel;
two first internal thread sleeves 14 which are in threaded connection with two thread sections of the bidirectional screw rod 8;
the first connecting rod 13 is connected between the first internal thread sleeve 14 and the auxiliary pier 10, and two ends of the first connecting rod 13 are respectively hinged with the first internal thread sleeve 14 and the auxiliary pier 10;
by rotating the bidirectional screw 8, the bidirectional screw 8 drives the first internal thread sleeve 14 to move, the first internal thread sleeve 14 drives the first connecting rod 13 to move, and the first connecting rod 13 drives the auxiliary pier 10 to move until the auxiliary pier 10 is abutted against the side slope of the ditch 11, so that the gate can be installed in ditches 11 with different width sizes, and the adaptability and the practicability are improved;
in this embodiment, a plurality of connecting anchors 12 are fixed on the outer side wall of the auxiliary pier 10 at intervals, and the connecting anchors 12 are inserted into the side slope of the trench 11;
in a specific implementation, a stabilizing assembly is mounted on gate pier 9 for improving the stability of the gate, and the stabilizing assembly comprises:
the piston cavity is formed in the side wall, close to the water flow direction, of the gate pier 9, the length direction of the piston cavity is parallel to the water flow direction, and a third piston 26 is arranged in the piston cavity;
the second connecting rod 21 is fixed on the third piston 26, a first spring 20 is sleeved on the second connecting rod 21 in the piston cavity, two ends of the first spring 20 are respectively abutted against the third piston 26 and one end of the piston cavity, and the acting force of the first spring 20 on the third piston 26 is opposite to the water flow direction;
the single-stage flywheel 15 is arranged on the bidirectional screw rod 8, and an arc track 24 is fixed on the outer side wall of the single-stage flywheel 15;
a driving rod 22 rotatably connected to the bidirectional screw rod 8 and located on one side of the single-stage flywheel 15, a pin shaft is fixed at one end of the second connecting rod 21 close to the driving rod 22, and a movable groove for the pin shaft to pass through and slide is formed in the driving rod 22;
the driving pin 23 is fixed on the driving rod 22, the driving pin 23 is inserted into the arc track 24, a second spring 25 is arranged in the arc track 24, two ends of the second spring 25 are respectively connected with the driving pin 23 and one end of the arc track 24, the acting force of the second spring 25 on the driving pin 23 is in the anticlockwise direction, the second spring 25 can be selected to be an extension spring, and two ends of the second spring 25 are respectively hooked with the driving pin 23 and one end of the arc track 24.
When flood disasters occur, the water level in the ditch 11 rises, the impact force and the pressure of water on the third piston 26 are increased, the third piston 26 is pushed to move towards the gate pier 9, the third piston 26 drives the second connecting rod 21 to move inwards, the second connecting rod 21 drives the driving rod 22 to rotate, the driving rod 22 drives the driving pin 23 to move in the arc track 24, the driving pin 23 pulls the arc track 24 through the second spring 25, the arc track 24 drives the outer ring of the single-stage flywheel 15 to rotate, the outer ring of the single-stage flywheel 15 drives the bidirectional screw rod 8 to further rotate or have a rotating trend through the inner ring, so that the two first internal thread sleeves 14 are further close to each other or have a trend close to each other, the auxiliary pier 10 is further tightly abutted against the side slope of the ditch 11, the acting force between the gate and the ditch 11 is increased, and the stability of the gate is further ensured;
furthermore, a second piston 19 is arranged in the connecting anchor 12, a plurality of arc-shaped expansion pieces 18 are connected between the second piston 19 and one end of the connecting anchor 12, which is far away from the auxiliary pier 10, the arc-shaped expansion pieces 18 protrude outwards, a plurality of protrusions are arranged on the outer side wall of each expansion piece 18, a through groove for the arc-shaped expansion pieces 18 to move is formed in the side wall of the connecting anchor 12, and the piston cavity is communicated with one end of the connecting anchor 12, which is provided with the second piston 19, through a first communication pipe 27;
when the third piston 26 moves towards the interior of the gate pier 9, the third piston 26 presses the medium in the piston cavity into the connecting anchor 12, so that the second piston 19 moves rightwards, the second piston 19 presses the expansion sheet 18, the expansion sheet 18 expands outwards and is further tightly connected with the side slope of the ditch 11, and the connection stability of the gate and the side slope is further improved.
In summary, the invention provides an adjustable drainage safety gate for a farmland drainage ditch, which has the working principle that:
under normal conditions, the water level in the ditch 11 is low, water flows from the water outlet to the downstream, the water level in the ditch 11 is stable, when a flood disaster occurs, the water level in a farmland and the ditch 11 rises rapidly, the water pushes the floating plate 3 to rotate upwards gradually by buoyancy of the floating plate 3 and the air bag 2, the floating plate 3 drives the sector gear 4 to rotate, the sector gear 4 drives the first connecting rod 7 to move downwards by a rack, the first connecting rod 7 drives the first piston 6 to move downwards, the first piston 6 presses a medium in the first cylinder 5 into the second cylinder 34 by an air pipe, then the fourth piston 36 is driven to move to the side far away from the door body 29, the fourth piston 36 drives the threaded rod 31 and the second internal thread sleeve 32 to move to the side far away from the door body 29, the second internal thread sleeve 32 drives the two door bodies 29 to move away from each other by the second connecting rod 33 and the third connecting rod 30, the water outlet is enlarged, water in the ditch falls rapidly, the flood drainage is carried out, the water level in the ditch 11 gradually falls, the floating plate 3 drives the sector gear 4 to move back to the water outlet by the second cylinder 32, the sector gear 4, the second piston 32 and the sector gear 6 drives the second cylinder 32 to return to the normal state, the second cylinder 32, the normal water outlet, the cylinder 32, the sector gear 32, and the sector gear returns to move back to the normal state, and returns to the normal state of the cylinder 32, and returns to the cylinder 32 by the second piston 32, and the first piston 32, and the second piston 32, and the cylinder 32, and the normal state of the cylinder 32; when flood disasters occur, the water level in the ditch 11 rises, the impact force and the pressure of water on the third piston 26 are increased, the third piston 26 is pushed to move towards the gate pier 9, the third piston 26 drives the second connecting rod 21 to move inwards, the second connecting rod 21 drives the driving rod 22 to rotate, the driving rod 22 drives the driving pin 23 to move in the arc track 24, the driving pin 23 pulls the arc track 24 through the second spring 25, the arc track 24 drives the outer ring of the single-stage flywheel 15 to rotate, the outer ring of the single-stage flywheel 15 drives the bidirectional screw rod 8 to further rotate or have a rotating trend through the inner ring, so that the two first internal thread sleeves 14 are further close to each other or have a trend close to each other, the auxiliary pier 10 is further tightly abutted against the side slope of the ditch 11, the acting force between the gate and the ditch 11 is increased, and the stability of the gate is further ensured;
it should be noted that, for the sake of simplicity, the foregoing embodiments are described as a series of acts or combinations, and the present invention is not limited by the order of acts described, as some steps may occur in other orders or concurrently according to the present invention. Further, the embodiments described in the specification are preferred embodiments, and the actions and modules referred to are not necessarily essential to the invention.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. The described embodiments are only some, not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, and thus, different technical solutions that do not substantially depart from the spirit of the present invention may be obtained, and these technical solutions also belong to the scope of the present invention.
Claims (10)
1. The utility model provides a drainage safety gate with adjustable farmland drainage ditch, includes:
the gate pier comprises two gate piers which are symmetrically arranged, and a gate beam and a bottom weir are respectively and fixedly connected between the top and the bottom of each gate pier;
install the gate body between gate beam and end weir, its characterized in that, the gate body includes:
the top and the bottom of the sluice drum are respectively abutted against the sluice beam and the bottom weir, and the drum walls on two sides of the sluice drum are both provided with openings;
the gate body is arranged in the gate cylinder and is opposite to the gate cylinder up and down, a water outlet is formed between the two gate bodies, and the gate bodies are arc-shaped and are in sliding connection with the cylinder wall of the gate cylinder;
the floating plate is arranged on the gate beam, one end of the floating plate is rotatably connected with the gate beam, and the other end of the floating plate is provided with an air bag;
the linkage assembly is connected between the floating plate and the two door bodies, when the floating plate rotates upwards, the linkage assembly drives the two door bodies to be far away, and when the floating plate rotates downwards, the linkage assembly drives the two door bodies to be close to each other.
2. The adjustable drainage safety gate of farmland drainage ditch according to claim 1, wherein said cylinder is rotatably mounted between two gate piers, and a power motor for driving the cylinder to rotate is mounted on the gate piers.
3. The adjustable drainage safety gate of farmland drainage ditch according to claim 1, characterized in that the air bag is provided with an air tap.
4. The adjustable drainage safety gate of farmland drainage canal of claim 1, wherein said linkage assembly comprises:
the sector gear is fixed at one end of the floating plate, which is far away from the air bag, and the circle center of the sector gear is superposed with the rotation center of the floating plate;
the brake system comprises a brake beam, a first cylinder body fixed on the brake beam, a first piston arranged in the first cylinder body in a vertical sliding manner, a first connecting rod fixed on the first piston, and a rack meshed with a sector gear arranged on the first connecting rod;
the bottom end of the first cylinder body is communicated with one end, close to the door bodies, of the second cylinder body through an air pipe, a fourth piston is arranged in the second cylinder body, a threaded rod is rotatably mounted on one side, close to the door bodies, of the fourth piston, and the threaded rod is located between the two door bodies;
the connecting shaft is fixed on the end wall of the brake cylinder, the axis of the connecting shaft is superposed with the central line of the brake cylinder, two third connecting rods are rotatably mounted on the connecting shaft, and the two third connecting rods are respectively hinged with the two door bodies;
a second internal thread sleeve is connected to the threaded rod in a threaded manner, two second connecting rods are hinged to the second internal thread sleeve, and the two second connecting rods are hinged to two third connecting rods respectively;
the other side of the fourth piston is fixed with a supporting rod, one end of the supporting rod, which is far away from the fourth piston, penetrates through the second cylinder body and extends to the outside of the second cylinder body, a third spring is connected between the supporting rod and the second cylinder body, and the acting force of the third spring on the supporting rod faces one side of the door body.
5. The adjustable drainage safety gate of a farmland drainage canal as claimed in claim 1, wherein the outer side wall of the gate pier is provided with a mounting groove, an auxiliary pier is arranged in the mounting groove, the auxiliary pier is horizontally and slidably connected with the gate pier, and an adjusting mechanism for driving the auxiliary pier to move is arranged in the gate pier.
6. The adjustable drainage safety gate of farmland drainage canal of claim 5, wherein said adjustment mechanism comprises:
the bidirectional screw rod is vertically and rotatably arranged in the gate pier;
the two first internal thread sleeves are in threaded connection with the two thread sections of the two-way screw rod;
connect the first connecting rod between first internal thread cover and supplementary mound, first connecting rod both ends are articulated with first internal thread cover and supplementary mound respectively.
7. The adjustable drainage safety gate of farmland drainage canal of claim 6, wherein a stabilizing assembly is mounted on said gate pier, said stabilizing assembly comprising:
the piston cavity is formed in the side wall, close to the water flow direction, of the gate pier, the length direction of the piston cavity is parallel to the water flow direction, and a third piston is arranged in the piston cavity;
the second connecting rod is fixed on the third piston, a first spring is sleeved on the second connecting rod in the piston cavity, two ends of the first spring are respectively abutted against the third piston and one end of the piston cavity, and the acting force of the first spring on the third piston is opposite to the water flow direction;
the single-stage flywheel is arranged on the bidirectional screw rod, and an arc track is fixed on the outer side wall of the single-stage flywheel;
the driving rod is rotatably connected to the two-way screw rod and is positioned on one side of the single-stage flywheel, a pin shaft is fixed at one end, close to the driving rod, of the second connecting rod, and a movable groove for the pin shaft to penetrate through and slide is formed in the driving rod;
the driving pin is fixed on the driving rod and inserted into the circular arc track, a second spring is arranged in the circular arc track, two ends of the second spring are respectively connected with the driving pin and one end of the circular arc track, and acting force of the second spring on the driving pin is in the anticlockwise direction.
8. The adjustable drainage safety gate of farmland drainage ditch according to claim 7, characterized in that a plurality of connection anchors are fixed on the outer side wall of the auxiliary pier at intervals, and the connection anchors are inserted into the side slope of the ditch.
9. The adjustable flood drainage safety gate for the farmland drainage canal as claimed in claim 8, wherein a second piston is arranged in the connecting anchor, a plurality of arc-shaped expansion pieces are connected between the second piston and one end of the connecting anchor, which is far away from the auxiliary pier, a plurality of bulges are arranged on the outer side wall of each expansion piece, a through groove for the arc-shaped expansion pieces to move is formed in the side wall of the connecting anchor, and the piston cavity is communicated with one end of the connecting anchor, which is provided with the second piston, through a first communicating pipe.
10. The adjustable drainage safety gate of a farmland drainage canal as claimed in claim 1, wherein the gate pier is fixedly connected with the side slope of the canal, and the bottom weir is fixedly connected with the bed of the canal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310100476.1A CN115772878B (en) | 2023-02-12 | 2023-02-12 | Drainage safety gate with adjustable farmland drainage ditch |
| JP2023098144A JP7356771B1 (en) | 2023-02-12 | 2023-06-14 | Adjustable drainage safety gate for farmland drainage ditches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310100476.1A CN115772878B (en) | 2023-02-12 | 2023-02-12 | Drainage safety gate with adjustable farmland drainage ditch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115772878A true CN115772878A (en) | 2023-03-10 |
| CN115772878B CN115772878B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310100476.1A Active CN115772878B (en) | 2023-02-12 | 2023-02-12 | Drainage safety gate with adjustable farmland drainage ditch |
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| Country | Link |
|---|---|
| JP (1) | JP7356771B1 (en) |
| CN (1) | CN115772878B (en) |
Cited By (1)
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| CN116516899A (en) * | 2023-07-05 | 2023-08-01 | 广东大禹水利建设有限公司 | Assembled permeable energy dissipation embankment blocking member and application method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117214307B (en) * | 2023-11-09 | 2024-02-02 | 山西诚达工程质量检测有限公司 | Nondestructive inspection device for steel structure welding seam |
| CN118404909A (en) * | 2024-07-04 | 2024-07-30 | 张家港汇能达激光科技有限公司 | Full-automatic ink jet numbering machine |
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| JP2004142159A (en) * | 2002-10-22 | 2004-05-20 | Takashi Iwasa | Form for manufacturing variable angle waterway wall, and gate-shaped block built by the form |
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| CN110644432A (en) * | 2019-09-29 | 2020-01-03 | 浙江海洋大学 | River course is repaiied and is prevented river course flood prevention device for engineering |
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| CN116516899B (en) * | 2023-07-05 | 2023-09-15 | 广东大禹水利建设有限公司 | Assembled permeable energy dissipation embankment blocking member and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024114572A (en) | 2024-08-23 |
| JP7356771B1 (en) | 2023-10-05 |
| CN115772878B (en) | 2023-04-07 |
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