CN117461505A - A separate type cultivation equipment for rice - Google Patents

Abstract

The invention discloses a separate cultivation device for rice, which comprises a bottom plate, wherein the top ends of the bottom plate are symmetrically clamped with supporting rods, the top ends of the two supporting rods are respectively clamped with a top plate, a separate cultivation and space distribution mechanism is arranged between the bottom plate and the top plate, a rotating turntable drives a cross rod to rotate, and a driven gear and a driving gear are driven to rotate through the cooperation of an inner cross sleeve and the driving gear to push two traction blocks to move relatively in a U-shaped plate respectively.

Description

A separate type cultivation equipment for rice

Technical Field

The invention relates to the technical field of rice cultivation, in particular to a separate cultivation device for rice.

Background

The rice is cereal crop of rice genus, but the existing cultivation equipment is mostly integrated and centralized, so that separate cultivation and observation of rice seedlings are inconvenient, the varieties of the rice seedlings are doped together, the effect of selecting high-quality rice varieties later is reduced, and therefore, in order to avoid the technical problems, it is necessary to provide separate cultivation equipment for rice to overcome the defects in the prior art.

Disclosure of Invention

The invention provides a separate cultivation device for rice, which can effectively solve the problems that most of the devices proposed in the background technology are integrated and centralized, and separate cultivation and observation of rice seedlings are inconvenient, so that varieties of the rice seedlings are doped together, and the effect of selecting high-quality rice varieties later is reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions: the separate cultivation equipment for rice comprises a bottom plate, wherein the top ends of the bottom plate are symmetrically clamped with supporting rods, and the top ends of the two supporting rods are respectively clamped with a top plate;

a separate cultivation and space distribution mechanism is arranged between the bottom plate and the top plate, the rotating turntable drives the cross rod to rotate, and the inner cross sleeve is matched with the driving gear, the driven gear and the transmission rod are driven to rotate, the two traction blocks are pushed to move relatively in the U-shaped plate respectively, and then the tray is pushed to slide along the support rod through the cooperation of the rotating plate and the fixed block;

the two support rods are provided with overflow discharge and water level adjustment mechanisms at equal intervals on the outer sides, the vertical barrel is communicated with the cultivation box by the communicating pipe, so that the water level in the cultivation box is the same as the water level in the vertical barrel, when the water levels in the cultivation box and the vertical barrel are too high, the two support rods are overflowed by the sealing rings, and the two support rods are matched with the connecting pipe through the overflow port and the connecting pipe and are discharged into the inner pipe on the next tray;

the bottom plate top corresponds bracing piece one side position department and is provided with automatic drainage and moisturizing mechanism, and after the inside water of cultivation box of below was full, the water that overflows flowed into inside the water drainage tube through the connecting pipe, increases along with the inside water of water drainage tube, pushes away the water shutoff board and descends, releases sealedly, and the water that will overflow is sent back inside the water tank again, and the water shutoff board drives montant, diaphragm, slide bar and collar simultaneously and descends, makes water drainage tube top and a touch switch's bottom contact, closes the water pump and stops the water supply.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

the separate cultivation and space distribution mechanism is arranged, the cultivation boxes on the tray are used for separately cultivating rice seedling varieties, the rotating turntable drives the cross rod to rotate, the driven gear and the driving gear are driven to rotate by matching the inner cross sleeve and the driving gear, the driving rod is forced to push the two traction blocks to move relatively in the U-shaped plate respectively, the distance between the two traction blocks is changed, and then the rotating plate and the fixed block are matched, the tray is pushed to slide along the support rods, so that the distance between the trays is shortened, the bottom ends of the trays are attached to the top ends of the cultivation boxes, gaps between the trays and the cultivation boxes are reduced, the flow of air current is reduced, and then in the initial growth process of rice seedlings, the temperature outside the inside of the cultivation boxes is slowed down, the temperature inside the cultivation boxes is ensured, the temperature inside the cultivation boxes is prevented from falling too fast, and the phenomenon of too low temperature occurs;

in addition, the reversing turntable is used for reversing with the cross rod, so that the distance between the trays is increased, the air flow is facilitated to pass through the top end of the cultivation box, the flowing effect of the air in the cultivation box is increased, the air in the cultivation box is replaced, fresh air is provided for the growth of rice seedlings, the effect of the growth of the rice seedlings is ensured, meanwhile, the proper distance can be adjusted according to the height of the rice seedlings in the later stage, the space distribution effect is improved, in addition, the lowest tray is limited by the limiting ring, and the movement of the lowest tray is prevented;

2. the overflow water discharging and water level regulating mechanism is arranged, water is guided through the cooperation of the conical barrel and the water flowing groove, water in the inner pipe flows into the vertical barrel through the overflow port, then the vertical barrel is communicated with the cultivation box through the communicating pipe, the water level in the cultivation box is kept to be the same as that in the vertical barrel, when the water levels in the cultivation box and the vertical barrel are too high, the overflow water is discharged into the inner pipe through the overflow port, and then is discharged into the inner pipe on the next tray through the connecting pipe, water is supplemented to the cultivation box on the next tray, and all cultivation boxes are circulated and supplemented;

in addition, the rotating ring slides along the outer side of the inner tube along the backing ring, and the sealing ring is lifted along the inner tube through the cooperation of the connecting rod, and is matched with the rubber elbow pipe to seal the overflow port, so that the adaptability is improved according to the water level height inside the adjusting vertical cylinder and the cultivating box.

3. The automatic water draining and supplementing mechanism is arranged, the inside of the water draining cylinder is filled by overflowed water, the water blocking plate is pushed to descend along with the increase of the water in the water draining cylinder, sealing is released, overflowed water is sent back to the inside of the water tank again, the subsequent circulation is facilitated, meanwhile, in the descending process of the water blocking plate, the vertical rod, the transverse plate, the sliding rod and the mounting ring are driven to descend, the top end of the water draining cylinder is contacted with the bottom end of a touch switch, the water pump is closed to stop water supply, the waste of resources is reduced, and after the water in the water draining cylinder is discharged, the sliding rod, the transverse plate, the connecting rod and the water blocking plate are pulled to ascend through the cooperation of the tensioning spring, so that the water draining cylinder is sealed again;

in addition, after the water level inside the vertical tube and the cultivation box falls to meet the bottom, the floating ring loses support, the pressure ring and the weight of the floating ring are utilized to fall with the movable rod, the bottom end of the pressure ring is forced to be contacted with the top end of the other touch switch, the water pump is started, water is supplied to the inside of the cultivation box again, the effect of too much and too little is prevented, and the effect of rice seedling growth is guaranteed.

Comprehensive the rice seedlings of different varieties are separately cultivated through separate cultivation and space distribution mechanisms, the effect of subsequent observation and screening is improved, meanwhile, overflow discharge and water level adjustment mechanisms and automatic water discharge and water supplementing mechanisms are utilized to be matched, water supplementing and water discharging are automatically carried out, the phenomenon of excessive and insufficient water is prevented, and the growth effect of the rice seedlings is guaranteed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the pallet of the present invention;

FIG. 3 is a schematic diagram of the structure of the separate cultivating and space distributing mechanism of the present invention;

FIG. 4 is a schematic view of the mounting structure of the inventive riser;

FIG. 5 is a schematic view of the structure of the overflow discharging and water level adjusting mechanism according to the present invention;

FIG. 6 is a schematic view of the installation structure of the drain cartridge of the present invention;

FIG. 7 is a schematic diagram of an automatic drain and refill mechanism according to the present invention.

Reference numerals in the drawings: 1. a bottom plate; 2. a support rod; 3. a top plate;

4. a separate cultivation and space distribution mechanism; 401. a cross bar; 402. a turntable; 403. a tray; 404. an inner cross sleeve; 405. a drive gear; 406. a U-shaped plate; 407. a transmission rod; 408. a driven gear; 409. a traction block; 410. a rotating plate; 411. a fixed block; 412. a cultivating box;

5. an overflow discharge and water level adjustment mechanism; 501. an extension plate; 502. a vertical tube; 503. a communicating pipe; 504. an inner tube; 505. an overflow port; 506. a rubber elbow; 507. a seal ring; 508. a connecting rod; 509. a backing ring; 510. a swivel; 511. a cone-shaped cylinder; 512. a water flow channel; 513. a connecting pipe;

6. an automatic water draining and supplementing mechanism; 601. a water tank; 602. a water pump; 603. a water supply pipe; 604. a water storage box; 605. a water supplementing pipe; 606. a drainage cylinder; 607. a slide bar; 608. a cross plate; 609. tensioning a spring; 610. a vertical rod; 611. a water shutoff plate; 612. a mounting ring; 613. a touch switch; 614. a movable rod; 615. a floating ring; 616. and a compression ring.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

Examples: as shown in fig. 1-7, the invention provides a technical scheme, which is a separated cultivation device for paddy rice, and comprises a bottom plate 1, wherein the top ends of the bottom plate 1 are symmetrically clamped with support rods 2, and the top ends of the two support rods 2 are respectively clamped with a top plate 3;

a separate cultivation and space distribution mechanism 4 is arranged between the bottom plate 1 and the top plate 3, the rotating turntable 402 drives the cross rod 401 to rotate, the driven gear 408 and the transmission rod 407 are driven to rotate through the cooperation of the inner cross sleeve 404 and the driving gear 405, the two traction blocks 409 are pushed to move relatively in the U-shaped plate 406 respectively, and then the tray 403 is pushed to slide along the support rod 2 through the cooperation of the rotating plate 410 and the fixed block 411;

the overflow discharging and water level regulating mechanisms 5 are equidistantly arranged on the outer sides of the two support rods 2, the communicating pipe 503 is utilized to enable the vertical barrel 502 to be communicated with the cultivation box 412, the water level in the cultivation box 412 is the same as the water level in the vertical barrel 502, when the water level in the cultivation box 412 and the water level in the vertical barrel 502 are too high, the overflow discharging and water level regulating mechanisms are overflowed from the sealing rings 507, and the overflow discharging and water level regulating mechanisms are matched with the connecting pipe 513 through the overflow port 505 and are discharged into the inner pipe 504 on the next tray 403;

an automatic water draining and supplementing mechanism 6 is arranged at the position of the top end of the bottom plate 1 corresponding to one side of the supporting rod 2, when water in the lowermost cultivation box 412 is supplemented, overflowed water flows into the drainage tube 606 through the connecting tube 513, along with the increase of the water in the drainage tube 606, the water blocking plate 611 is pushed to descend, the sealing is released, the overflowed water is sent back into the water tank 601 again, meanwhile, the water blocking plate 611 drives the vertical rod 610, the transverse plate 608, the sliding rod 607 and the mounting ring 612 to descend, the top end of the drainage tube 606 is contacted with the bottom end of one touch switch 613, and the water pump 602 is closed to stop water supply;

the separate cultivation and space distribution mechanism 4 comprises a cross bar 401, a turntable 402, a tray 403, an inner cross sleeve 404, a driving gear 405, a U-shaped plate 406, a transmission rod 407, a driven gear 408, a traction block 409, a rotation plate 410, a fixed block 411 and a cultivation box 412;

a cross rod 401 is rotatably connected between the bottom plate 1 and the top plate 3, a turntable 402 is fixedly sleeved at the bottom position outside the cross rod 401, a tray 403 is movably sleeved at the outer side of the support rod 2 at equal intervals, and cultivation boxes 412 are connected at the positions, corresponding to the two sides of the cross rod 401, of the top end of the tray 403 through bolts;

an inner cross sleeve 404 is rotatably sleeved on the inner wall of the tray 403 at a position corresponding to the outer side of the cross rod 401, and a driving gear 405 is fixedly sleeved on the outer side of the inner cross sleeve 404 at a position corresponding to the bottom of the tray 403;

the bottom end of the tray 403 is connected with a U-shaped plate 406 through bolts at positions corresponding to two sides of the cross rod 401, a transmission rod 407 is rotatably connected at the bottom position of the inner wall of the U-shaped plate 406, driven gears 408 are clamped at the positions corresponding to one side of the driving gears 405 at one end of the transmission rod 407, and in order to conveniently transmit power, four trays 403 are fixedly sleeved with limiting rings at the positions corresponding to the bottoms of the outer sides of the supporting rods 2, the top ends of the limiting rings are attached to the bottom end of the tray 403, the driving gears 405 and the driven gears 408 are meshed with bevel gears, and the driving gears 405 and the driven gears 408 are meshed with each other;

the outside of the transmission rod 407 is connected with a traction block 409 through threads, both ends of the traction block 409 are rotationally connected with rotating plates 410, the bottom positions of the adjacent ends of the two rotating plates 410 are rotationally connected with fixed blocks 411, in order to limit the tray 403 below, the top end of the U-shaped plate 406 is provided with a sliding groove, the position of the top end of the traction block 409 corresponding to the inside of the sliding groove is clamped with a sliding block, the bottom end of the fixed block 411 at the bottom end of one tray 403 is fixedly connected with the top end of the other tray 403, and a gap is reserved between the two cultivation boxes 412;

the overflow discharging and water level adjusting mechanism 5 includes an extension plate 501, a vertical cylinder 502, a communicating pipe 503, an inner pipe 504, an overflow port 505, a rubber elbow 506, a seal ring 507, a connecting rod 508, a backing ring 509, a swivel 510, a cone cylinder 511, a gutter 512 and a connecting pipe 513;

extension plates 501 are movably sleeved at positions, corresponding to the top of the tray 403, on the outer sides of the two support rods 2, vertical cylinders 502 are clamped at the top ends of the extension plates 501, and communicating pipes 503 are symmetrically clamped at the outer sides of the vertical cylinders 502;

the inner pipe 504 is clamped at the central position inside the vertical barrel 502, the overflow ports 505 are formed in the bottom position outside the inner pipe 504 at equal intervals, the rubber bent pipe 506 is fixedly connected to the position, corresponding to the inner pipe 504, of the inner bottom end inside the vertical barrel 502, the sealing ring 507 is clamped at the position, corresponding to the outer side of the inner pipe 504, of the top end of the rubber bent pipe 506, the connecting rod 508 is clamped at the position, corresponding to the outer side of the inner pipe 504, of the top end of the connecting rod 508, the backing ring 509 is clamped at the position, corresponding to the outer side of the inner pipe 504, of the backing ring 509, in order to facilitate the discharge of overflowed water, one end of the extension plate 501 is fixedly connected with the outer side of the tray 403, the other end of the communication pipe 503 is fixedly connected with one end of the cultivation box 412, the horizontal height of the inner bottom end inside the vertical barrel 502 is equal to the horizontal height of the inner bottom end inside the cultivation box 412, the inner wall of the sealing ring 507 is tightly attached to the outer side of the inner pipe 504, and the inner wall of the sealing ring 507 is clamped with the clamping block at the inner position inside the overflow ports 505;

the inner wall of the inner pipe 504 is clamped with a conical barrel 511 corresponding to the top position of the overflow port 505, the outer side of the conical barrel 511 is provided with a water flowing groove 512 corresponding to the inner position of the overflow port 505, the bottom end of the extension plate 501 is clamped with a connecting pipe 513 corresponding to the bottom position of the inner pipe 504, in order to facilitate the sliding of the sealing ring 507, a gap is reserved between the backing ring 509 and the inner pipe 504, the inner wall of the rotating ring 510 is connected with the outer side of the inner pipe 504 through threads, the outer diameter of the connecting pipe 513 is smaller than the inner diameter of the inner pipe 504, and the bottom end of the connecting pipe 513 on one tray 403 is inserted into the top end of the inner pipe 504 on the other tray 403;

the automatic water draining and supplementing mechanism 6 comprises a water tank 601, a water pump 602, a water supply pipe 603, a water storage box 604, a water supplementing pipe 605, a water draining cylinder 606, a sliding rod 607, a transverse plate 608, a tensioning spring 609, a vertical rod 610, a water blocking plate 611, a mounting ring 612, a touch switch 613, a movable rod 614, a floating ring 615 and a pressing ring 616;

the water tanks 601 are clamped at the positions of the top ends of the bottom plate 1 corresponding to one side of the supporting rods 2, the water pumps 602 are connected to the top ends of the two water tanks 601 through bolts, the water supply pipes 603 are clamped at the top ends of the two water supply pipes 603, the water storage boxes 604 are clamped at the positions of the other ends of the two water supply pipes 603 corresponding to the top of the top plate 3, and the water supplementing pipes 605 are symmetrically clamped at the positions of the bottoms of the outer sides of the water storage boxes 604;

the top ends of the two water tanks 601 are clamped with a drainage cylinder 606 corresponding to the outer side position of a connecting pipe 513, the top ends of the drainage cylinders 606 are symmetrically and movably connected with sliding rods 607 corresponding to the outer side position of the connecting pipe 513, the bottom ends of the two sliding rods 607 are clamped with transverse plates 608 corresponding to the bottom positions of the drainage cylinders 606, tension springs 609 are clamped between the transverse plates 608 and the drainage cylinders 606 corresponding to the outer side position of the sliding rods 607, the bottom ends of the transverse plates 608 are clamped with vertical rods 610, the bottom ends of the vertical rods 610 are clamped with water shutoff plates 611 corresponding to the inner position of the water tanks 601, the outer diameter of the water shutoff pipes 605 is smaller than the inner diameter of the inner pipes 504, the bottom ends of the water replenishment pipes 605 are inserted into the top ends of the inner pipes 504, connecting ports are formed in the connection of the bottom ends of the drainage cylinders 606 and the water tanks 601, and the inner diameters of the connecting ports are smaller than the outer diameters of the water shutoff plates 611;

the top ends of the two sliding rods 607 are respectively connected with a mounting ring 612 in a clamping manner, the top ends and the bottom ends of the mounting rings 612 are respectively connected with a touch switch 613 through bolts, the positions, corresponding to the connecting pipes 513, of the bottom ends of the extending plates 501 are symmetrically and movably connected with movable rods 614, the positions, corresponding to the inner positions of the vertical cylinders 502, of the top ends of the two movable rods 614 are respectively connected with a floating ring 615 in a clamping manner, the positions, corresponding to the top ends of the mounting rings 612, of the two movable rods 614 are respectively connected with a pressing ring 616 in a clamping manner, in order to drain water and supplement water in time, the water pump 602 and the touch switches 613 are powered through external power supplies, the signal output ends of the touch switches 613 are connected with the input ends of the water pump 602, the top ends of the movable rods 614 are embedded into the vertical cylinders 502, and the installation positions of the pressing rings 616 correspond to the installation positions of the touch switches 613.

The working principle and the using flow of the invention are as follows: firstly, the rice seedlings are separately cultivated through the cultivation boxes 412 on the trays 403, and the turntables 402 are rotated to drive the cross rods 401 to rotate, so that the inner cross sleeves 404 and the driving gears 405 are driven to rotate, the driving gears 405 drive the driven gears 408 and the driving rods 407 to rotate, the driving rods 407 are forced to push the two traction blocks 409 to move relatively in the U-shaped plates 406 respectively, the distance between the two traction blocks 409 is changed, then the trays 403 are pushed to slide along the support rods 2 through the matching of the rotating plates 410 and the fixed blocks 411, the distance between the trays 403 is shortened, the bottom ends of the trays 403 are attached to the top ends of the cultivation boxes 412, the gap between the bottom ends of the trays 403 and the cultivation boxes 412 is reduced, the loss of temperature is slowed down during initial growth of rice seedlings, the temperature inside the cultivation boxes 412 is prevented from falling too fast, in addition, the turntables 402 are reversed, the distance between the trays 403 is increased, gas is prevented from passing through the top ends of the cultivation boxes 412, the gas flow inside the cultivation boxes 412 is improved, fresh air is provided for growth of rice seedlings, and the proper distance is adjusted according to the height of the seedlings in the later stage, the distribution of the rice seedlings is increased, the lowest tray 403 is prevented from moving, and the lowest limit effect is achieved by using the space distribution ring, and the tray 403 is limited;

then, the water pump 602 is started, water is sent into the water storage box 604 through the cooperation of the water supply pipe 603, then is sent into the inner pipe 504 through the water supplementing pipe 605, then is guided through the cooperation of the conical barrel 511 and the water flowing groove 512, so that the water flows into the vertical barrel 502 through the overflow port 505, the vertical barrel 502 is communicated with the cultivation box 412 due to the action of the communicating pipe 503, the water is convenient to enter the cultivation box 412, and meanwhile, the water level in the cultivation box 412 is the same as the water level in the vertical barrel 502;

then, when the water level in the cultivating box 412 and the vertical barrel 502 is too high, the water overflows through the sealing ring 507, overflowed water is discharged into the inner pipe 504 through the overflow port 505, then discharged into the inner pipe 504 on the next tray 403 through the connecting pipe 513, and is matched with the water flowing groove 512 through the conical barrel 511, after the cultivating box 412 on the next tray 403 is filled, the water is discharged through the overflow port 505, and is circulated in this way, all the cultivating boxes 412 are filled, in addition, the rotating swivel 510 slides along the outer side of the inner pipe 504 with the backing ring 509, and is lifted along the inner pipe 504 with the sealing ring 507 through the matching of the connecting rod 508, and meanwhile, the overflow port 505 is sealed through the matching of the rubber elbow 506, and the adaptability is improved according to the water level height in the adjusting vertical barrel 502 and the cultivating box 412;

then, when the water in the lowest cultivation box 412 is full, overflowed water flows into the drainage tube 606 through the connecting tube 513, and as the water in the drainage tube 606 increases, the pressure increases, the water blocking plate 611 is pushed to descend, the sealing is released, the overflowed water is conveniently returned into the water tank 601, the subsequent circulation is convenient, and meanwhile, in the descending process of the water blocking plate 611, the vertical rod 610, the transverse plate 608, the sliding rod 607 and the mounting ring 612 are driven to descend, so that the top end of the drainage tube 606 is contacted with the bottom end of one touch switch 613, the water pump 602 is closed to stop water supply, and the waste of resources is reduced;

finally, after the water in the drainage tube 606 is drained, the sliding rod 607, the transverse plate 608, the vertical rod 610 and the water blocking plate 611 are pulled to rise through the cooperation of the tensioning spring 609, the drainage tube 606 is sealed again, and after the water level in the vertical tube 502 and the cultivation box 412 falls to the bottom, the floating ring 615 loses support, the weight of the pressing ring 616 and the floating ring 615 is utilized, the movable rod 614 is driven to fall, the bottom end of the pressing ring 616 is forced to be in contact with the top end of the other touch switch 613, the water pump 602 is started, water is supplied to the inside of the cultivation box 412 again, so that too little effect is prevented, and the growth effect of rice seedlings is ensured.

Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A divided cultivation apparatus for rice comprising a base plate (1), characterized in that: the top ends of the bottom plates (1) are symmetrically clamped with supporting rods (2), and the top ends of the two supporting rods (2) are respectively clamped with a top plate (3);

a separate cultivation and space distribution mechanism (4) is arranged between the bottom plate (1) and the top plate (3), the rotating turntable (402) drives the cross rod (401) to rotate, the driven gear (408) and the transmission rod (407) are driven to rotate through the cooperation of the inner cross sleeve (404) and the driving gear (405), the two traction blocks (409) are pushed to move relatively in the U-shaped plate (406) respectively, and then the tray (403) is pushed to slide along the support rod (2) through the cooperation of the rotating plate (410) and the fixed block (411);

the overflow discharging and water level regulating mechanisms (5) are arranged on the outer sides of the two support rods (2) at equal intervals, the communicating pipe (503) is used for communicating the vertical barrel (502) with the cultivation box (412), so that the water level in the cultivation box (412) is the same as the water level in the vertical barrel (502), when the water levels in the cultivation box (412) and the vertical barrel (502) are too high, the water level is overflowed through the sealing ring (507), and the water level is discharged into the inner pipe (504) on the next tray (403) through the cooperation of the overflow port (505) and the connecting pipe (513);

automatic draining and water supplementing mechanisms (6) are arranged at positions, corresponding to one side of the supporting rods (2), of the top end of the bottom plate (1), after water in the lowermost cultivation box (412) is fully supplemented, overflowed water flows into the drainage cylinder (606) through the connecting pipe (513), along with the increase of the water in the drainage cylinder (606), the water blocking plate (611) is pushed to descend, sealing is released, overflowed water is sent back into the water tank (601) again, meanwhile, the water blocking plate (611) drives the vertical rod (610), the transverse plate (608), the sliding rod (607) and the mounting ring (612) to descend, the top end of the drainage cylinder (606) is in contact with the bottom end of the touch switch (613), and the water pump (602) is closed to stop water supply.

2. A divided cultivation apparatus for paddy rice as claimed in claim 1, wherein: the separate cultivation and space distribution mechanism (4) comprises a cross rod (401), a rotary table (402), a tray (403), an inner cross sleeve (404), a driving gear (405), a U-shaped plate (406), a transmission rod (407), a driven gear (408), a traction block (409), a rotary plate (410), a fixed block (411) and a cultivation box (412);

a cross rod (401) is rotationally connected between the bottom plate (1) and the top plate (3), a turntable (402) is fixedly sleeved at the bottom position of the outer side of the cross rod (401), a tray (403) is movably sleeved at the outer side of the support rod (2) at equal intervals, and cultivation boxes (412) are connected at the positions of the top ends of the tray (403) corresponding to the two sides of the cross rod (401) through bolts;

an inner cross sleeve (404) is rotatably sleeved at the position, corresponding to the outer side of the cross rod (401), of the inner wall of the tray (403), and a driving gear (405) is fixedly sleeved at the position, corresponding to the bottom of the tray (403), of the outer side of the inner cross sleeve (404);

the bottom end of the tray (403) is connected with a U-shaped plate (406) corresponding to the two sides of the cross rod (401) through bolts, the bottom position of the inner wall of the U-shaped plate (406) is rotationally connected with a transmission rod (407), and one end of the transmission rod (407) is clamped with a driven gear (408) corresponding to one side of the driving gear (405);

the outside of transfer line (407) is connected with traction block (409) through the screw thread, traction block (409) both ends all rotate and are connected with rotation board (410), two rotation board (410) adjacent one end bottom position department all rotates and is connected with fixed block (411).

3. A divided cultivation apparatus for paddy rice as claimed in claim 2, wherein: the tray (403) is four in total, the fixed spacing ring that has cup jointed in bracing piece (2) outside bottom position department, and spacing ring top is laminated mutually with tray (403) bottom, driving gear (405) and driven gear (408) all with the bevel gear, and driving gear (405) and driven gear (408) intermeshing.

4. A divided cultivation apparatus for paddy rice as claimed in claim 2, wherein: the sliding groove is formed in the top end of the U-shaped plate (406), the sliding block is clamped at the position, corresponding to the inner position of the sliding groove, of the top end of the traction block (409), the bottom end of the fixing block (411) at the bottom end of the tray (403) is fixedly connected with the top end of the other tray (403), and a gap is reserved between the two cultivation boxes (412).

5. A divided cultivation apparatus for paddy rice as claimed in claim 2, wherein: the overflow discharging and water level regulating mechanism (5) comprises an extension plate (501), a vertical cylinder (502), a communicating pipe (503), an inner pipe (504), an overflow port (505), a rubber elbow (506), a sealing ring (507), a connecting rod (508), a backing ring (509), a swivel (510), a conical cylinder (511), a water chute (512) and a connecting pipe (513);

extension plates (501) are movably sleeved at positions, corresponding to the tops of the trays (403), of the outer sides of the two support rods (2), vertical cylinders (502) are clamped at the top ends of the extension plates (501), and communicating pipes (503) are symmetrically clamped at the outer sides of the vertical cylinders (502);

the inner pipe (504) is clamped at the inner center position of the vertical cylinder (502), overflow ports (505) are formed in the outer bottom position of the inner pipe (504) at equal intervals, a rubber elbow (506) is fixedly connected to the inner bottom end of the vertical cylinder (502) corresponding to the outer position of the inner pipe (504), a sealing ring (507) is clamped at the top end of the rubber elbow (506) corresponding to the outer position of the inner pipe (504), a connecting rod (508) is clamped at the top end of the sealing ring (507) at equal intervals, a backing ring (509) is clamped at the top end of the connecting rod (508) corresponding to the outer position of the inner pipe (504), and a rotating ring (510) is rotationally connected to the top end of the backing ring (509) corresponding to the outer position of the inner pipe (504);

the inner wall of the inner pipe (504) is clamped with a conical barrel (511) corresponding to the top position of the overflow port (505), a water flowing groove (512) is formed in the outer side of the conical barrel (511) corresponding to the inner position of the overflow port (505), and the bottom end of the extension plate (501) is clamped with a connecting pipe (513) corresponding to the bottom position of the inner pipe (504).

6. A divided cultivation apparatus for paddy rice according to claim 5, wherein: extension board (501) one end and tray (403) outside fixed connection, communicating pipe (503) other end and cultivation box (412) one end fixed connection, the level of the inside bottom of riser (502) equals the level of cultivation box (412) inside bottom, sealing ring (507) inner wall and inner tube (504) outside closely laminate, sealing ring (507) inner wall and overflow mouth (505) inside position department joint has the fixture block.

7. A divided cultivation apparatus for paddy rice according to claim 5, wherein: a gap is reserved between the backing ring (509) and the inner tube (504), the inner wall of the swivel (510) is connected with the outer side of the inner tube (504) through threads, the outer diameter of the connecting tube (513) is smaller than the inner diameter of the inner tube (504), and the bottom end of the connecting tube (513) on one tray (403) is inserted into the top end of the inner tube (504) on the other tray (403).

8. A divided cultivation apparatus for paddy rice according to claim 5, wherein: the automatic water draining and supplementing mechanism (6) comprises a water tank (601), a water pump (602), a water supply pipe (603), a water storage box (604), a water supplementing pipe (605), a water draining cylinder (606), a sliding rod (607), a transverse plate (608), a tensioning spring (609), a vertical rod (610), a water blocking plate (611), a mounting ring (612), a touch switch (613), a movable rod (614), a floating ring (615) and a pressing ring (616);

the water tank (601) is clamped at the position of the top end of the bottom plate (1) corresponding to one side of the supporting rod (2), the water pumps (602) are connected to the top ends of the two water tanks (601) through bolts, the water supply pipes (603) are clamped at the top ends of the two water pumps (602), the water storage boxes (604) are clamped at the positions of the other ends of the two water supply pipes (603) corresponding to the top of the top plate (3), and the water supplementing pipes (605) are symmetrically clamped at the bottom positions of the outer sides of the water storage boxes (604);

the two water tanks (601) are clamped with a drainage cylinder (606) at positions corresponding to the outer sides of the connecting pipes (513), sliding rods (607) are symmetrically and movably connected at positions corresponding to the outer sides of the connecting pipes (513) at the tops of the drainage cylinders (606), transverse plates (608) are clamped at positions corresponding to the bottoms of the drainage cylinders (606) at the bottoms of the two sliding rods (607), tensioning springs (609) are clamped at positions corresponding to the outer sides of the sliding rods (607) between the transverse plates (608) and the drainage cylinders (606), vertical rods (610) are clamped at the bottoms of the transverse plates (608), and water blocking plates (611) are clamped at positions corresponding to the inner positions of the water tanks (601) at the bottoms of the vertical rods (610).

Two slide bar (607) top equal joint has collar (612), collar (612) top and bottom all have touch switch (613) through bolted connection, extension board (501) bottom corresponds connecting pipe (513) outside position department symmetry swing joint has movable rod (614), two movable rod (614) top corresponds vertical tube (502) inside position department joint has floating ring (615), two movable rod (614) bottom corresponds collar (612) top position department joint has clamping ring (616).

9. A divided cultivation apparatus for paddy rice as claimed in claim 8, wherein: the external diameter of moisturizing pipe (605) is less than the internal diameter of inner tube (504), and the bottom of moisturizing pipe (605) inserts an inner tube (504) top, one connecting tube (513) bottom inserts water drainage tube (606) top, the connection of water drainage tube (606) bottom and water tank (601) goes out and has seted up the connector, and the internal diameter of connector is less than the external diameter of water shutoff board (611).

10. A divided cultivation apparatus for paddy rice as claimed in claim 8, wherein: the water pump (602) and the touch switch (613) are powered by an external power supply, the signal output end of the touch switch (613) is connected with the input end of the water pump (602), the top end of the movable rod (614) is embedded into the vertical cylinder (502), and the installation position of the pressing ring (616) corresponds to the installation position of the touch switch (613).