阅读说明：本技术 一种灌溉农田的取水方法 (Water taking method for irrigating farmland ) 是由 朱兵 于 2020-12-14 设计创作，主要内容包括：本发明公开了一种灌溉农田的取水方法,其包括如下步骤：先将灌溉推车推至水源和田地之间的合适位置,然后将一个波浪管伸入水源中,另一个波浪管与排气管对接,并放入田埂上,再提升落差台使波浪管高于田地位置,然后启动伺服电机驱动排气齿轮旋转,而将波浪管内的空气排出,进而吸入水源的水,再打通排气管,水源的水便被大气压不断压入波浪管中,从而流入田地里。本发明通过设置了灌溉推车,其上方设置的落差台可带动抽吸水源的波浪管提升而与田地的形成高度落差,启动排气管内的排气齿轮旋转,而排出波浪管内的气体,将水源不断引排到田地里进行灌溉,此装置中无需铺设电线,无需进行灌溉后维护工作,使得灌溉便捷顺利。(The invention discloses a water taking method for irrigating a farmland, which comprises the following steps: firstly, the irrigation cart is pushed to a proper position between a water source and a field, then a wave pipe extends into the water source, the other wave pipe is in butt joint with the exhaust pipe and is placed on a ridge, then the fall platform is lifted to enable the wave pipe to be higher than the field, then the servo motor is started to drive the exhaust gear to rotate, air in the wave pipe is discharged, water at the water source is further sucked, the exhaust pipe is opened, and the water at the water source is continuously pressed into the wave pipe by atmospheric pressure so as to flow into the field. According to the invention, the irrigation trolley is arranged, the drop platform arranged above the irrigation trolley can drive the wave pipe for sucking a water source to lift to form a height drop with the field, the exhaust gear in the exhaust pipe is started to rotate, the gas in the wave pipe is discharged, and the water source is continuously guided and discharged into the field for irrigation.)

1. A method for taking water for irrigating farmlands is characterized by comprising the following steps: the method comprises the following steps:

firstly, an irrigation preparation stage:

s1, firstly, pushing an irrigation cart of the irrigation equipment to a proper position between a water source and a field, and fixing the irrigation cart;

s2, rotating the side winding rod towards the outer end of the wave tube to release the pull wires on the two sides of the wave tube and the pull wires at the bottom of the wave tube;

s3, stretching the wave pipe outwards to enable the wave pipe to be unfolded and stretched, stretching the wave pipe on one side into a water source, and stretching the wave pipe on the other side to be in front of a field;

s4, connecting the lead screws end to end according to the height difference between the stop position of the irrigation cart and the position of the field, so that a plurality of lead screws are higher than the position of the field;

s5, rotating the rotating rod to drive the screw rod to rotate, and driving the fall platform to rise under the guidance of the guide pipes, so as to support the joint of the two wave pipes to rise, and form water fall;

the irrigation equipment comprises an irrigation cart, a drop platform for increasing water flow drop is arranged above the irrigation cart, wave pipes which are used for water flowing and communicated are arranged on two sides above the drop platform, one wave pipe is communicated with a water source, an outer port of the other wave pipe is communicated with an exhaust pipe, a plurality of lead screws which are connected end to end and drive the drop platform to lift are arranged behind the drop platform, a big worm gear is tightly sleeved at the bottom end of each lead screw, a rotating rod is arranged behind the big worm gear, a pipe sleeve with a transverse axis is fixed on the top surface of the drop platform, the pipe sleeve is connected and matched with the two wave pipe sleeves, the wave pipes extend in an annular wave manner, three sleeve rings are arranged on the outer sides of all the big diameters at equal intervals, pull wires are inserted in the sleeve rings on the outer sides of the wave pipes, a pipe receiving mechanism for shrinking the wave pipes is arranged on the top surface of the drop platform, the pipe receiving mechanism comprises a side winding rod which is symmetrically and rotatably connected to, two side winding rods and one bottom winding rod are correspondingly wound with the pull wire, and universal wheels are arranged at the corners of the bottom surface of the irrigation trolley;

II, irrigation performing stage:

s6, placing the exhaust pipe on the ridge, and unfolding the wave pipe on one side of the water outlet end of the exhaust pipe to extend into the field;

s7, starting a servo motor to drive one of the exhaust gears to downwards rotate towards the middle of the exhaust table, and driving the other exhaust gear to downwards rotate towards the middle of the exhaust table, so that the exhaust pipe and air in the wave pipe communicated with the exhaust pipe are exhausted from the exhaust port;

the steps lead negative pressure to be formed in the wave pipe, and the atmospheric pressure at the water source presses water into the wave pipe;

s8, after the wave pipe and the exhaust pipe are filled with water flow, the servo motor stops working, then the water valve rod is rotated to drive the water stop plate to deflect to open the exhaust pipe, and the water in the wave pipe falls and flows out due to self weight, so that the water in the water source is continuously input into the wave pipe for supplement, and field irrigation is further realized;

the wave pipe has also been cup jointed to the one end of blast pipe, the top of blast pipe is equipped with the air discharge table, the air discharge table is inside cuboid that is hollow structure and is linked together with the blast pipe is inside, the internally mounted of air discharge table has intermeshing's exhaust gear, the inside top corner of air discharge table is the arc angle and with exhaust gear concentric circles same radius, the externally mounted of air discharge table has the servo motor with one of them exhaust gear coaxial coupling, exhaust gear's height equals with the interior width of air discharge table, the radial length of two intermeshing's exhaust gear equals with exhaust gear's interior length, the gas vent that is linked together rather than inside is seted up at the top surface middle part of air discharge table, the inside of blast pipe and the one end that is close to the wave pipe are installed and are used for controlling the.

2. A method of extracting water for irrigating agricultural fields according to claim 1, wherein: the middle part coaxial coupling of dwang has the big worm with big worm wheel meshing, and the side wire winding pole middle part that is located the place ahead has closely cup jointed intermeshing's wire winding gear, and the outside of base wire winding pole is provided with the transfer line that drives its rotation, and the both ends of transfer line are located the below of the side wire winding pole that corresponds with it, have cup jointed the belt between side wire winding pole and the transfer line both ends.

3. A method of extracting water for irrigating agricultural fields according to claim 2, wherein: the middle part one side of side wire winding pole has seted up the ring channel, and the ring channel cooperates with belt upper end joint, and wherein the front end that is located the side wire winding pole in the place ahead has closely cup jointed the carousel, and the rear end that is located the side wire winding pole at rear has closely cup jointed the baffle, and the middle part coaxial coupling of transfer line has little worm, and the bottom of base wire winding pole closely cup joints the little worm wheel with little worm meshing.

4. A method of extracting water for irrigating agricultural fields according to claim 3, wherein: the rear end of the drop platform is fixedly provided with a sliding rod which is horizontally arranged, the middle of the top surface of the sliding rod is provided with a threaded hole which is in threaded connection with the lead screw, and two ends of the sliding rod are vertically provided with sliding sleeves.

5. A method of extracting water for irrigating agricultural fields according to claim 4, wherein: the bottom end of the screw rod located at the lowest position is sleeved with a rolling bearing, a flat rod is fixed on the bottom surface of the rolling bearing, guide pillars are vertically fixed at two ends of the flat rod, a plurality of guide pipes are sequentially sleeved on the outer sides of the guide pillars from inside to outside, and the outermost guide pipes are sleeved with the sliding sleeves.

6. A method of extracting water for irrigating agricultural fields according to claim 5, wherein: the top surface rear of irrigating the shallow is provided with the bin, and the top rear side of bin is fixed with the push rod, and the top joint of bin has the case lid, and a plurality of through-holes have been seted up to the top surface of case lid.

7. A method of extracting water for irrigating agricultural fields according to claim 6, wherein: two the adapter sleeve that is used for sealed has been cup jointed between the wave pipe, and the adapter sleeve cup joints the cooperation with the pipe box, and the both ends integrated into one piece of wave pipe is equipped with the connecting pipe, and the connecting pipe cup joints and bonds with the adapter sleeve, and the inside both ends department of adapter sleeve is equipped with the fender ring, and the one end of adapter sleeve is equipped with the boss that the external diameter equals with the pipe box external diameter, and the other end threaded connection of adapter sleeve has fixed cover, and the outside of pipe box just is located the top of bearing.

8. A method of extracting water for irrigating agricultural fields according to claim 7, wherein: the other end outside equidistant intercommunication of blast pipe has the screwed pipe, and the inboard of screwed pipe is equipped with screw thread and threaded connection has the bolt, and the inside of spacing groove of screwed pipe are linked together, and the spacing groove that cup joints with the connecting pipe is seted up to this end of blast pipe, and the inside joint of spacing groove has the sealing washer.

9. A method of extracting water for irrigating agricultural fields according to claim 8, wherein: the bottom of blast pipe is fixed with bears the seat, bears the bottom surface the place ahead corner of seat and installs the universal wheel, and the front end of irrigating the shallow and rear end both sides have seted up the locating hole, bear the rear of seat and be equipped with the post of inserting with the locating hole grafting.

10. A method of extracting water for irrigating agricultural fields according to claim 9, wherein: the water valve rod penetrates into the exhaust pipe and is spliced with a water stop plate, and the water stop plate is a circular plate with an arc-shaped edge and has the outer diameter equal to the inner diameter of the exhaust pipe.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a water taking method for irrigating a farmland.

Background

When the existing farmland is irrigated, water in natural rivers and ponds is often drained into the farmland by water pumps. Because the reason that the topography nature formed, the field always appears and natural water source relief altitude difference is few, then lead to always relying on suction pump circular telegram work, consume a large amount of electric power, also need spread the pull wire, increase irrigation preparation time, in addition, the suction pump is mechanical equipment, adopts iron material to make mostly, after the use, must clean and the sunning is done, its extension irrigation ending time, if can't do not reach the position in addition, must rust and corrode after putting for a long time, increased the maintenance cost.

Disclosure of Invention

The invention aims to provide a water taking method for irrigating farmlands, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a water taking method for irrigating a farmland, which comprises the following steps:

firstly, an irrigation preparation stage:

s1, firstly, pushing an irrigation cart of the irrigation equipment to a proper position between a water source and a field, and fixing the irrigation cart;

s2, rotating the side winding rod towards the outer end of the wave tube to release the pull wires on the two sides of the wave tube and the pull wires at the bottom of the wave tube;

s3, stretching the wave pipe outwards to enable the wave pipe to be unfolded and stretched, stretching the wave pipe on one side into a water source, and stretching the wave pipe on the other side to be in front of a field;

s4, connecting the lead screws end to end according to the height difference between the stop position of the irrigation cart and the position of the field, so that a plurality of lead screws are higher than the position of the field;

s5, rotating the rotating rod to drive the screw rod to rotate, and driving the fall platform to rise under the guidance of the guide pipes, so as to support the joint of the two wave pipes to rise, and form water fall;

the irrigation equipment comprises an irrigation cart, a drop platform for increasing water flow drop is arranged above the irrigation cart, wave pipes which are used for water flowing and communicated are arranged on two sides above the drop platform, one wave pipe is communicated with a water source, an outer port of the other wave pipe is communicated with an exhaust pipe, a plurality of lead screws which are connected end to end and drive the drop platform to lift are arranged behind the drop platform, a big worm gear is tightly sleeved at the bottom end of each lead screw, a rotating rod is arranged behind the big worm gear, a pipe sleeve with a transverse axis is fixed on the top surface of the drop platform, the pipe sleeve is connected and matched with the two wave pipe sleeves, the wave pipes extend in an annular wave manner, three sleeve rings are arranged on the outer sides of all the big diameters at equal intervals, pull wires are inserted in the sleeve rings on the outer sides of the wave pipes, a pipe receiving mechanism for shrinking the wave pipes is arranged on the top surface of the drop platform, the pipe receiving mechanism comprises a side winding rod which is symmetrically and rotatably connected to, two side winding rods and one bottom winding rod are correspondingly wound with the pull wire, and universal wheels are arranged at the corners of the bottom surface of the irrigation trolley;

II, irrigation performing stage:

s6, placing the exhaust pipe on the ridge, and unfolding the wave pipe on one side of the water outlet end of the exhaust pipe to extend into the field;

s7, starting a servo motor to drive one of the exhaust gears to downwards rotate towards the middle of the exhaust table, and driving the other exhaust gear to downwards rotate towards the middle of the exhaust table, so that the exhaust pipe and air in the wave pipe communicated with the exhaust pipe are exhausted from the exhaust port;

the steps lead negative pressure to be formed in the wave pipe, and the atmospheric pressure at the water source presses water into the wave pipe;

s8, after the wave pipe and the exhaust pipe are filled with water flow, the servo motor stops working, then the water valve rod is rotated to drive the water stop plate to deflect to open the exhaust pipe, and the water in the wave pipe falls and flows out due to self weight, so that the water in the water source is continuously input into the wave pipe for supplement, and field irrigation is further realized;

the wave pipe has also been cup jointed to the one end of blast pipe, the top of blast pipe is equipped with the air discharge table, the air discharge table is inside cuboid that is hollow structure and is linked together with the blast pipe is inside, the internally mounted of air discharge table has intermeshing's exhaust gear, the inside top corner of air discharge table is the arc angle and with exhaust gear concentric circles same radius, the externally mounted of air discharge table has the servo motor with one of them exhaust gear coaxial coupling, exhaust gear's height equals with the interior width of air discharge table, the radial length of two intermeshing's exhaust gear equals with exhaust gear's interior length, the gas vent that is linked together rather than inside is seted up at the top surface middle part of air discharge table, the inside of blast pipe and the one end that is close to the wave pipe are installed and are used for controlling the.

As a further improvement of the technical scheme, the middle of the rotating rod is coaxially connected with a large worm meshed with a large worm wheel, the middle of the side winding rod positioned in front is tightly sleeved with a winding gear meshed with each other, the outer side of the bottom winding rod is provided with a transmission rod driving the bottom winding rod to rotate, two ends of the transmission rod are positioned below the side winding rod corresponding to the transmission rod, and a belt is sleeved between the two ends of the side winding rod and the two ends of the transmission rod.

As a further improvement of the technical scheme, an annular groove is formed in one side of the middle of the side winding rod, the annular groove is matched with the upper end of a belt in a clamping mode, a turntable is tightly sleeved at the front end of the side winding rod located in the front, a baffle is tightly sleeved at the rear end of the side winding rod located in the rear, a small worm is coaxially connected to the middle of the transmission rod, and a small worm wheel meshed with the small worm is tightly sleeved at the bottom end of the bottom side winding rod.

As a further improvement of the technical scheme, a sliding rod which is horizontally arranged is fixed at the rear end of the drop platform, a threaded hole which is in threaded connection with the screw rod is formed in the middle of the top surface of the sliding rod, and sliding sleeves are vertically arranged at two ends of the sliding rod.

As a further improvement of the technical scheme, the bottom end of the screw rod positioned at the lowest part is sleeved with a rolling bearing, a flat rod is fixed on the bottom surface of the rolling bearing, guide pillars are vertically fixed at two ends of the flat rod, a plurality of guide pipes are sequentially sleeved on the outer sides of the guide pillars from inside to outside, and the outermost guide pipe is sleeved with the sliding sleeve.

As a further improvement of the technical scheme, the storage box is arranged at the rear of the top surface of the irrigation cart, a push rod is fixed at the rear side of the top of the storage box, a box cover is clamped at the top end of the storage box, and a plurality of through holes are formed in the top surface of the box cover.

As a further improvement of the technical scheme, a connecting sleeve for sealing is sleeved between the wave pipes, the connecting sleeve is in sleeve fit with the pipe sleeve, the connecting pipes are integrally formed at two ends of the wave pipes and are in sleeve fit and bonded with the connecting sleeve, baffle rings are arranged at two ends of the inside of the connecting sleeve, a boss with the outer diameter equal to that of the pipe sleeve is arranged at one end of the connecting sleeve, a fixing sleeve is in threaded connection with the other end of the connecting sleeve, and a guide wheel is rotatably connected to the outer side of the pipe sleeve and above the bearing.

As a further improvement of the technical scheme, the outer side of the other end of the exhaust pipe is communicated with a threaded pipe at equal intervals, the inner side of the threaded pipe is provided with threads and is connected with a bolt in a threaded manner, the inside of the threaded pipe is communicated with the inside of the limiting groove, the limiting groove which is sleeved with the connecting pipe is formed in the end of the exhaust pipe, and a sealing ring is clamped in the limiting groove.

As a further improvement of the technical scheme, the bottom of the exhaust pipe is fixed with a bearing seat, universal wheels are installed at the front corner of the bottom surface of the bearing seat, positioning holes are formed in the two sides of the front end and the rear end of the irrigation cart, and inserting columns inserted into the positioning holes are arranged behind the bearing seat.

As a further improvement of the technical scheme, the water valve rod penetrates into the exhaust pipe and is spliced with a water stop plate, and the water stop plate is a circular plate with an arc-shaped edge and has the outer diameter equal to the inner diameter of the exhaust pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. in the water taking method for irrigating the farmland, the irrigation cart is arranged, the drop platform arranged above the irrigation cart can drive the wave pipe at the water suction source to lift to form a height drop with the farmland, the exhaust pipe is arranged at the water outlet end of the wave pipe leading to the farmland, the exhaust gear in the device is started to rotate, gas in the wave pipe is discharged, natural water is sucked into the wave pipe due to negative pressure, the exhaust pipe is opened, water flow falls to continuously generate suction, the water source is continuously guided to the farmland to be irrigated, electric wires do not need to be laid in the device, maintenance work after irrigation is not needed, irrigation is convenient and smooth, and the device has popularization value.

2. In the water taking method for irrigating the farmland, the stay wires are arranged outside the corrugated pipes, the pipe collecting mechanism is arranged on the drop table, the side wire winding rods in the stay wires are rotated, and the stay wires can be synchronously wound, so that the corrugated pipes are orderly contracted and stored, are convenient to transport and have practical value.

3. According to the water taking method for irrigating the farmland, the wave pipe and the exhaust pipe are arranged to be in assembled butt joint, and the bearing seat and the irrigation trolley are connected into a whole in an assembled mode, so that the whole action of the irrigation trolley is facilitated, and the convenient management during use and after use is facilitated.

Drawings

FIG. 1 is a schematic view of an overall assembly structure of embodiment 1;

FIG. 2 is a schematic view of the structure of the irrigation cart of embodiment 1;

FIG. 3 is a schematic view of an overall assembly structure of the drop height table of embodiment 1;

FIG. 4 is a schematic view showing a partially assembled structure of a drop height table according to embodiment 1;

FIG. 5 is a schematic structural view of the drop height table of embodiment 1 in a raised state;

FIG. 6 is a schematic view of a lead screw structure of embodiment 1;

FIG. 7 is a schematic structural view of a drop height table according to embodiment 1;

FIG. 8 is a schematic view of an assembling structure of a lead screw according to embodiment 1;

FIG. 9 is an exploded view of the pipe retracting mechanism according to embodiment 1;

FIG. 10 is a schematic view of a guide tube structure of embodiment 1;

FIG. 11 is a schematic view of the wave tube assembly structure of example 1;

fig. 12 is an exploded view of the coupling sleeve of embodiment 1;

FIG. 13 is a schematic view showing a structure of an exhaust pipe in a housed state according to embodiment 1;

FIG. 14 is a schematic view of an exhaust pipe fitting structure according to embodiment 1;

FIG. 15 is an assembled and disassembled view of a servo motor of embodiment 1;

FIG. 16 is a schematic view showing the structure of the water valve stem of embodiment 1;

FIG. 17 is a full sectional view of the wavy tube of example 1.

The various reference numbers in the figures mean:

100. an irrigation cart; 101. positioning holes;

110. a storage tank; 111. a push rod; 120. a box cover; 121. a through hole;

200. a drop platform; 201. pipe sleeve; 202. a bearing; 203. a guide wheel; 204. a slide bar; 205. a threaded hole; 206. a sliding sleeve; 207. a limiting sleeve;

210. a screw rod; 2100. a convex column; 2101. concave holes; 211. a large worm gear; 212. a guide post; 213. a guide tube; 2130. an inner collar; 2131. an outer collar;

220. rotating the rod; 221. a large worm; 222. a handle is rotated;

230. a pipe collecting mechanism; 231. a side winding rod; 2310. an annular groove; 232. a winding gear; 233. a turntable; 234. a baffle plate; 235. a belt; 236. a transmission rod; 237. a small worm; 238. a bottom edge winding rod; 239. a small worm gear;

300. a wave tube; 301. a collar; 302. a connecting pipe;

310. a pull wire; 320. connecting sleeves; 321. a baffle ring; 330. fixing a sleeve;

400. an exhaust pipe; 401. a limiting groove; 402. a threaded pipe; 403. an exhaust table; 4030. an exhaust port; 404. a bearing seat; 405. inserting a column;

410. a servo motor; 411. an exhaust gear; 420. a water valve stem; 421. a water stop plate;

500. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The invention provides a water taking method for irrigating a farmland, which comprises the following steps:

firstly, an irrigation preparation stage:

s1, firstly, pushing the irrigation cart 100 of the irrigation equipment to a proper position between a water source and a field, and fixing the irrigation cart 100;

s2, then, the side winding rod 231 is turned upwards towards the outer end of the wave tube 300, and the pulling wires 310 on both sides of the wave tube 300 and the pulling wires 310 at the bottom of the wave tube 300 are released;

s3, stretching the wave pipe 300 outwards to stretch the wave pipe, extending the wave pipe 300 on one side into a water source, and extending the wave pipe 300 on the other side to the front of the field;

s4, connecting the lead screws 210 end to end according to the height difference between the stopping position of the irrigation cart 100 and the field position, so that the lead screws 210 are higher than the field position;

s5, rotating the rotating rod 220 to drive the screw rod 210 to rotate, and driving the drop platform 200 to ascend under the guidance of the guide pipes 213, so as to support the joint of the two wave pipes 300 to ascend, thereby forming a water flow drop;

the irrigation equipment comprises an irrigation cart 100, a drop platform 200 for increasing water flow drop is arranged above the irrigation cart 100, wave pipes 300 for water supply and communication are arranged on two sides above the drop platform 200, one wave pipe 300 leads to a water source, an outer port of the other wave pipe 300 is communicated with an exhaust pipe 400, a plurality of screw rods 210 which are connected end to end and drive the drop platform 200 to lift are arranged behind the drop platform 200, a big worm wheel 211 is tightly sleeved at the bottom end of each screw rod 210, a rotating rod 220 is arranged behind the big worm wheel 211, a pipe sleeve 201 with a transverse axis is fixed on the top surface of the drop platform 200, the pipe sleeve 201 is sleeved and matched with the two wave pipes 300, the wave pipes 300 extend in an annular wave manner, three lantern rings 301 are arranged on the outer sides of all the big diameters at equal intervals, pull wires 310 are inserted in the lantern rings 301 on the outer sides of the wave contraction pipes 300, a pipe collecting mechanism 230 for the wave pipes 300 is arranged on the top surface of the, the pipe collecting mechanism 230 comprises side winding rods 231 symmetrically and rotatably connected to the front side and the rear side of the pipe sleeve 201 and a bottom winding rod 238 arranged below the pipe sleeve 201, two side winding rods 231 and one bottom winding rod 238 are correspondingly wound with the pull wire 310, and universal wheels 500 are installed at the corners of the bottom surface of the irrigation cart 100;

II, irrigation performing stage:

s6, placing the exhaust pipe 400 on the ridge, and unfolding the wave pipe 300 on one side of the water outlet end of the exhaust pipe to extend into the field;

s7, starting the servo motor 410 to drive one of the exhaust gears 411 to rotate downwards towards the middle of the exhaust table 403, and driving the other exhaust gear 411 to also rotate downwards towards the middle of the exhaust table 403, so as to disperse the air in the exhaust pipe 400 and the wave pipe 300 communicated with the exhaust pipe from the exhaust port 4030;

the above steps cause negative pressure to form in the wave pipe 300, and the atmospheric pressure at the water source presses the water into the wave pipe 300;

s8, after the wave pipe 300 and the exhaust pipe 400 are filled with water flow, the servo motor 410 stops working, then the water valve rod 420 is rotated to drive the water stop plate 421 to deflect to open the exhaust pipe 400, and the water in the wave pipe 300 falls and flows out due to self weight, so that the water from a water source is continuously input into the wave pipe 300 for supplement, and field irrigation is further realized;

the one end of blast pipe 400 also cup joints wave pipe 300, the top of blast pipe 400 is equipped with exhaust platform 403, exhaust platform 403 is inside hollow structure's cuboid and is linked together with the inside of blast pipe 400, the internally mounted of exhaust platform 403 has exhaust gear 411 of intermeshing, the inside top corner of exhaust platform 403 is the arc angle and with exhaust gear 411 concentric centre and the same radius, the externally mounted of exhaust platform 403 has servo motor 410 rather than one of exhaust gear 411 coaxial coupling, the height of exhaust gear 411 equals with the interior width of exhaust platform 403, the radial length of two exhaust gear 411 of intermeshing equals with the interior length of exhaust gear 411, the top surface middle part of exhaust platform 403 is seted up rather than the inside gas vent 4030 that is linked together, the inside of blast pipe 400 and the one end that is close to wave pipe 300 is installed and is used for controlling the water valve rod 420 of rivers break-make-and-break.

Referring to fig. 1 to 17, the present invention provides an economical water intake device for field irrigation, which includes an irrigation cart 100 for transportation. The irrigation cart 100 is provided with a drop platform 200 for increasing water flow drop, wave pipes 300 for water supply and communication are arranged on two sides above the drop platform 200, one wave pipe 300 is communicated with a water source (natural water source such as rivers and ponds), an outer port of the other wave pipe 300 is communicated with an exhaust pipe 400, the wave pipe 300 is lifted close to the water source end by lifting the drop platform 200 to form a position higher than the exhaust pipe 400, air in the wave pipe 300 is pumped out through the exhaust pipe 400 so as to suck water until the wave pipe 300 is full of water, then the exhaust pipe 400 is opened, water in the wave pipe 300 connected with the exhaust pipe falls down due to gravity, according to a siphon effect, the atmospheric pressure at the water source continuously presses the water into the wave pipe 300, water is continuously drained, no mechanical force is needed, and resources such as electric power are saved. The rear part of the drop platform 200 is provided with a plurality of lead screws 210 which are connected end to end and drive the drop platform to lift, and the lead screws 210 are divided into multiple sections with equal length, so that the storage and the transportation are convenient. The bottom end of the screw 210 is tightly sleeved with a big worm wheel 211, a rotating rod 220 is arranged behind the big worm wheel 211, the middle part of the rotating rod 220 is coaxially connected with a big worm 221 meshed with the big worm wheel 211, the big worm 221 is driven to drive the big worm wheel 211 to rotate through rotating the rotating rod 220, and then the screw 210 is driven to rotate. The top surface of the fall platform 200 is fixed with a pipe sleeve 201 with a transverse axial line, and the pipe sleeve 201 is in sleeve fit with the two wave pipes 300, so that after the fall platform 200 rises, the wave pipes 300 on two sides are supported by the pipe sleeve 201 to form height fall, and a siphon effect is generated. The wave pipe 300 extends in an annular wave mode, three lantern rings 301 are arranged on the outer sides of all the large diameters at equal intervals, pull wires 310 are inserted into the lantern rings 301 on the outer sides of the wave pipe 300 in an inserting mode, the top surface of the drop platform 200 is provided with a pipe collecting mechanism 230 used for contracting the wave pipe 300, the pull wires 310 are drawn through the pipe collecting mechanism 230, the wave pipe 300 is pulled to be compressed in size, and the wave pipe 300 is convenient to store and transport. The tube collecting mechanism 230 comprises side winding rods 231 symmetrically and rotatably connected to the front and rear sides of the tube housing 201 and a bottom winding rod 238 arranged below the tube housing 201, and two side winding rods 231 and one bottom winding rod 238 are correspondingly wound with the pull wire 310. The middle part of the side winding rod 231 positioned in front is tightly sleeved with the winding gears 232 which are meshed with each other, and one winding gear 232 is rotated to drive the other winding gear 232 to rotate reversely, so that the pull wires 310 positioned at two sides of the wave tube 300 can be simultaneously wound. The outside of the bottom winding rod 238 is provided with a driving rod 236 for driving the rotation thereof so as to wind the pulling wire 310 at the bottom of the wavy tube 300. The two ends of the driving rod 236 are located below the corresponding side winding rods 231, the belts 235 are sleeved between the two ends of the side winding rods 231 and the driving rod 236, and the belts 235 are made of rubber and are in a tightened state, so that when the side winding rods 231 rotate, the driving rod 236 is driven to rotate synchronously due to the action of friction force, and further the bottom winding rods 238 are driven to rotate while the side winding rods 231 are rotated, and all the pull wires 310 outside the wave tube 300 can be simultaneously wound, so that the wave tube 300 can be smoothly tightened on the two sides of the pipe sleeve 201.

In this embodiment, the corrugated pipe 300 is a plastic product made of PP, and has good flexibility, bending resistance, fracture resistance, rust resistance, durability, low cost, and suitability for replacement and maintenance. Due to the characteristics of the plastic, the corrugated pipe 300 can be expanded, compressed and folded, and is convenient to store and use. The length of the wave tube 300 is customized according to the distance between the actual water source and the field location. The stay 310 is made of nylon, and is tensile and durable.

Specifically, the storage box 110 is arranged behind the top surface of the irrigation cart 100 and used for storing redundant lead screws 210, two ends of the rotating rod 220 penetrate through two sides of the bottom of the storage box 110 and are coaxially connected with rotating handles 222, and the rotating handles 222 can rotate. A push rod 111 is fixed to the rear side of the top of the storage tank 110 to facilitate holding and pushing the irrigation cart 100. The top end of the storage box 110 is clamped with a box cover 120, the top surface of the box cover 120 is provided with a plurality of through holes 121, and the diameters of the through holes 121 are larger than the outer diameter of the screw rod 210 so as to insert the screw rod 210 and place the screw rod 210 in the storage box 110 at intervals. The front end and the rear end of the irrigation cart 100 are provided with positioning holes 101, and reinforcing steel bars can penetrate through the positioning holes 101 to be inserted into soil to fix the irrigation cart 100.

Further, bearings 202 inserted into the side winding rods 231 are symmetrically inserted into both horizontal radial sides of the pipe housing 201 so as to support the side winding rods 231 to freely rotate. The top surface of the drop platform 200 is symmetrically fixed with a limit sleeve 207 sleeved with the transmission rod 236, and the transmission rod 236 can rotate, so that the transmission rod 236 is supported by the limit sleeve 207 to rotate smoothly.

Specifically, a sliding rod 204 horizontally arranged is fixed at the rear end of the drop platform 200, and a threaded hole 205 in threaded connection with the screw rod 210 is formed in the middle of the top surface of the sliding rod 204, so that the lead rod 210 is driven to move along the axis of the drop platform 200 when rotating. Sliding sleeves 206 are vertically arranged at two ends of the sliding rod 204, a rolling bearing is sleeved at the bottom end of the screw rod 210 located at the lowest position, a flat rod is fixed on the bottom surface of the rolling bearing, so that the screw rod 210 can rotate stably, guide pillars 212 are vertically fixed at two ends of the flat rod, a plurality of guide pipes 213 are sequentially sleeved on the outer sides of the guide pillars 212 from inside to outside, wherein the outermost guide pipe 213 is sleeved with the sliding sleeve 206, when the drop platform 200 rises, the sliding sleeve 206 slides along the outermost guide pipe 213 until the outermost guide pipe 213 is driven to slide along the inner guide pipe 213, and according to the mode, the sliding sleeve can play a guiding role along with the rising of the drop platform 200, and the drop platform 200 is ensured to be driven by the rotating screw rod 210 to move. Wherein the flat bar is fixed to the top surface of the irrigation trolley 100 such that the screw bar 210 and the guide post 212 are not displaced.

Furthermore, an annular groove 2310 is formed in one side of the middle of the side winding rod 231, and the annular groove 2310 is in clamping fit with the upper end of the belt 235, so that the belt 235 can move stably and cannot slide. Wherein, the front end of the side winding rod 231 located in front is tightly sleeved with a turntable 233, which is convenient for manual rotation to drive the side winding rod 231 to rotate. The rear end of the rear side wire winding rod 231 is closely sleeved with a baffle 234 for blocking the wire 310 wound thereon from slipping off. The middle part of the transmission rod 236 is coaxially connected with a small worm 237, the bottom end of the bottom edge winding rod 238 is tightly sleeved with a small worm wheel 239 meshed with the small worm 237, the small worm wheel 239 is driven to rotate by rotating the transmission rod 236, and then the bottom edge winding rod 238 is driven to rotate to wind the pull wire 310. The bottom end of the bottom-side wire winding rod 238 is sleeved with a rolling bearing, and the rolling bearing is embedded on the drop platform 200, so that the bottom-side wire winding rod 238 rotates stably.

In addition, the top middle part of lead screw 210 is equipped with projection 2100, and shrinkage pool 2101 has been seted up in the bottom middle part of lead screw 210, and the outside of projection 2100 and the inboard of shrinkage pool 2101 all are equipped with the screw thread to projection 2100 of a lead screw 210 and shrinkage pool 2101 threaded connection of another lead screw 210 make lead screw 210 end to end upwards extend. An inner lantern ring 2130 is fixed inside the bottom end of the guide tube 213, an outer lantern ring 2131 is fixed outside the top end of the guide tube 213, all the inner lantern rings 2130 and the outer lantern rings 2131 are the same in thickness, the inner lantern rings 2130 and the outer lantern rings 2131 on the guide tubes 213 with different outer diameters are matched with the guide tubes in size, and the structure enables sliding among the guide tubes 213 to be limited and not to slip.

It is worth noting that a connecting sleeve 320 for sealing is sleeved between the two corrugated pipes 300, the connecting sleeve 320 is sleeved and matched with the pipe sleeve 201, the connecting pipes 302 are integrally formed at two ends of the corrugated pipes 300, and the connecting pipes 302 are sleeved and bonded with the connecting sleeve 320 to ensure contact sealing. The two ends of the inside of the connecting sleeve 320 are provided with baffle rings 321 for limiting the connecting pipe 302 to extend into, one end of the connecting sleeve 320 is provided with a boss with the outer diameter equal to that of the pipe sleeve 201 to play a limiting role, the other end of the connecting sleeve 320 is in threaded connection with a fixing sleeve 330, the outer diameter of the fixing sleeve 330 is equal to that of the pipe sleeve 201, and the fixing sleeve 330 is screwed to tightly press the two ends of the pipe sleeve 201 together with the boss, so that the wave pipe 300 and the pipe sleeve 201 are connected into a whole and can synchronously lift along with the. The guide wheel 203 is rotatably connected to the outer side of the pipe sleeve 201 and above the bearing 202, the axial section of the guide wheel 203 is i-shaped, and the stay wire 310 is clamped in an inner groove of the guide wheel 203 so as to limit the stay wire 310 and play a role in guiding and turning, so that the wave pipe 300 is pulled smoothly.

When the wave tube is lifted, firstly, the irrigation cart 100 is pushed to a proper position between a water source and a field, the irrigation cart 100 is fixed, then the side winding rod 231 is rotated upwards towards the outer end direction of the wave tube 300, the pull wires 310 at two sides of the wave tube 300 are released, meanwhile, the transmission rod 236 rotates along with the side winding rod 231 through the transmission of the belt 235, further, the bottom winding rod 238 is driven to rotate to release the pull wires 310 at the bottom of the wave tube 300, a farmer can stretch the wave tube 300 outwards to unfold the wave tube 300, one side wave tube 300 extends into the water source, the other side wave tube 300 extends to the front of the field, then according to the height difference between the stopping position of the irrigation cart 100 and the field position, the lead screws 210 are connected end to end, the lead screws 210 are higher than the fall position of the water flow so as to form the water flow, then the lead screws 210 are driven to rotate by rotating the rotating rod 220, further, the fall platform 200 is lifted, i.e., rises up against the junction of the corrugated pipe 300, thereby creating a water head.

The outer side of one end of the exhaust pipe 400 is communicated with threaded pipes 402 at equal intervals, the other end of the exhaust pipe 400 is also sleeved with the corrugated pipe 300, and the exhaust pipe 400 is required to be placed on a ridge, so that the corrugated pipe 300 is not required to be pulled and unfolded manually and placed in a field to guide and drain water flow. An exhaust table 403 is arranged at the top of the exhaust pipe 400, the exhaust table 403 is a cuboid with a hollow structure inside and is communicated with the inside of the exhaust pipe 400, exhaust gears 411 which are meshed with each other are arranged inside the exhaust table 403, the upper corner inside the exhaust table 403 is an arc angle and has the same radius with the exhaust gears 411, the outer part of the exhaust table 403 is provided with a servo motor 410 which is coaxially connected with one exhaust gear 411, the height of the exhaust gear 411 is equal to the inner width of the exhaust table 403, the radial length of the two meshed exhaust gears 411 is equal to the inner length of the exhaust gear 411, the middle part of the top surface of the exhaust table 403 is provided with an exhaust port 4030 which is communicated with the inside, the servo motor 410 is started to drive one exhaust gear 411 to downwards rotate towards the middle part of the exhaust table 403, and drive the other exhaust gear 411 to downwards rotate towards the middle part of the exhaust table 403, and the, the two exhaust gears 411 and the inside of the exhaust platform 403 are also sealed, so that the exhaust pipe 400 and the air in the corrugated pipe 300 communicated with the exhaust pipe 400 are caused to rotate fast by the rotating exhaust gears 411 against the inner wall of the exhaust platform 403 to drive the air to be emitted from the exhaust port 4030, so that negative pressure is formed in the corrugated pipe 300, and the atmospheric pressure at the water source presses the water into the corrugated pipe 300 until the corrugated pipe 300 and the exhaust pipe 400 are filled, so that the operation of the servo motor 410 can be stopped. The inside of blast pipe 400 and the one end that is close to wave pipe 300 are installed and are used for controlling the water valve pole 420 of rivers break-make, and after water was full of blast pipe 400, rotatory water valve pole 420 dredges blast pipe 400, because drop platform 200 has risen, the water in the wave pipe 300 just falls, and the atmospheric pressure effect at water source in addition, rivers are just constantly inhaled in the wave pipe 300, take place siphon effect promptly, and then the rivers are drawn and are arranged in the field, realize irrigating.

In this embodiment, the exhaust pipe 400 and the exhaust gear 411 are both made of nylon plastic, and have the advantages of good toughness, no rusting and corrosion, durability, low cost, and suitability for replacement and maintenance. In addition, a storage battery is arranged on the irrigation cart 100, and the storage battery is electrically connected with the servo motor 410 through a lead so as to provide electric power for the servo motor 410 to work.

Specifically, the spacing groove 401 that cup joints with connecting pipe 302 is seted up to the one end of blast pipe 400, and the inside joint of spacing groove 401 has the sealing washer, and the inboard of screwed pipe 402 is equipped with screw thread and threaded connection has the bolt, and the inside of screwed pipe 402 is linked together with the inside of spacing groove 401, pastes tight sealing washer through the connecting pipe 302 of the bolt extrusion ripple pipe 300 of screwing, keeps the sealed of junction.

Furthermore, a bearing seat 404 is fixed at the bottom of the exhaust pipe 400, and an inserting column 405 inserted into the positioning hole 101 is arranged behind the bearing seat 404, so that the joint of the bearing seat 404 and the irrigation cart 100 can be integrally pushed. The water valve stem 420 penetrates into the exhaust pipe 400 and is inserted with the water stop plate 421, the water stop plate 421 is a circular plate with a circular arc-shaped edge, the outer diameter of the circular plate is equal to the inner diameter of the exhaust pipe 400, the axial direction of the water stop plate 421 is the same as the axial direction of the exhaust pipe 400, the water outlet port of the exhaust pipe 400 is closed, and the water stop plate 421 can be deflected after the water valve stem 420 is rotated, so that water flows out from the gap.

In addition, universal wheels 500 are mounted at the corners of the bottom surfaces of the irrigation cart 100 and the carrying base 404, so that the entire device can be carried on the bottom surface to roll forward when the irrigation cart 100 is pushed. Wherein the rear corner of bearing seat 404 is fixed with the square pole to when bearing seat 404 placed alone, can be stabilized in subaerial, the height of square pole is less than the height of universal wheel 500, when avoiding irrigation shallow 100 and bearing seat 404 to connect into an entirety, the implementation is interfered.

When the exhaust pipe is used for draining water source, the exhaust pipe 400 is placed on a ridge, the wavy pipe 300 on one side of the water outlet end of the exhaust pipe is unfolded to extend into the field, the servo motor 410 is started to drive one exhaust gear 411 to downwards rotate towards the middle of the exhaust platform 403, the other exhaust gear 411 is driven to downwards rotate towards the middle of the exhaust platform 403, so that the exhaust pipe 400 and the air in the wavy pipe 300 communicated with the exhaust pipe 400 are quickly upwards rotated by the rotary exhaust gear 411 attached to the inner wall of the exhaust platform 403 to drive the air to be emitted from the exhaust port 4030, negative pressure is formed in the wavy pipe 300, the atmospheric pressure in the water source places water pressure into the wavy pipe 300 until the wavy pipe 300 and the exhaust pipe 400 are filled with the air, the servo motor 410 stops working, then the water valve rod 420 is rotated to drive the water stop plate 421 to deflect to open the exhaust pipe 400, the water in the wavy pipe 300 flows out and falls down under the action of the atmospheric pressure in the water source, and the water flow is, the siphon effect is generated, and then the water flow is guided into the field to realize irrigation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.