阅读说明：本技术 一种利用农用大棚的种植系统 (Planting system using agricultural greenhouse ) 是由 崔献岐 于 2021-09-27 设计创作，主要内容包括：发明属于农用大棚设备领域,为一种利用农用大棚的种植系统,一种利用农用大棚的种植系统,包括底座,所述底座左侧上壁固定设有立柱,所述底座右侧上壁固定设有墙,所述立柱上设有雨水收集装置,雨水收集装置用于收集雨水并存储雨水,所述立柱和所述墙之间设有喷洒装置,喷洒装置用于肥料的喷洒,所述墙左侧壁上固定设有自动收卷装置,自动收卷装置用于保温帘的自动收放。普通农用大棚的保温帘通常需要人工进行收放,既费时又费力,而且在人工进行保温帘的收放时保温帘会与保温膜进行摩擦,有可能损毁保温膜,本发明改进了保温帘的收放装置,完全自动化收放且不与保温膜刮蹭,同时加设雨水收集再利用装置,节约水资源。(The invention belongs to the field of agricultural greenhouse equipment, and relates to a planting system utilizing an agricultural greenhouse, which comprises a base, wherein a stand column is fixedly arranged on the upper wall of the left side of the base, a wall is fixedly arranged on the upper wall of the right side of the base, a rainwater collecting device is arranged on the stand column and used for collecting rainwater and storing the rainwater, a spraying device is arranged between the stand column and the wall and used for spraying fertilizer, and an automatic winding device is fixedly arranged on the left side wall of the wall and used for automatically winding and unwinding a heat-insulating curtain. The invention discloses a heat preservation curtain for an agricultural greenhouse, which is characterized in that a heat preservation curtain of the agricultural greenhouse usually needs to be manually folded and unfolded, time and labor are wasted, the heat preservation curtain can rub a heat preservation film when being manually folded and unfolded, and the heat preservation film can be damaged.)

1. The utility model provides an utilize farming systems of green house, includes base (10), its characterized in that, base (10) left side upper wall is fixed and is equipped with stand (14), the fixed wall (22) that is equipped with of base (10) right side upper wall, be equipped with rainwater collection device on stand (14), rainwater collection device is used for collecting the rainwater and stores up the rainwater, stand (14) with be equipped with sprinkler between wall (22), sprinkler is used for spraying of fertilizer, the fixed automatic winding device that is equipped with on wall (22) left side wall, automatic winding device is used for the automation of heat preservation curtain to receive and release.

2. The planting system using the agricultural greenhouse of claim 1, wherein: rainwater collection device is including fixing collection chamber (21) on stand (14), be equipped with the opening on the side wall on the left side of collection chamber (21), be equipped with the filter block in stand (14), stand (14) below is equipped with water storage chamber (16), water storage chamber (16) right side is equipped with first water pump (17), first water pump (17) right side is equipped with two and turns to power chamber (18), water storage chamber (16) with first water pump (17) with turn to and all link to each other through the water pipe between power chamber (18), every turn to fixed water jet equipment that is equipped with of power chamber (18) upside, water jet equipment is used for spraying the rainwater of collecting on crops.

3. The planting system using the agricultural greenhouse of claim 2, wherein: the water spraying device comprises a rotating shaft (19) which rotates on the left side wall and the right side wall of the steering power cavity (18), blades are arranged at the right end of the rotating shaft (19), a driving bevel gear (44) is fixedly arranged at the left end of the rotating shaft (19), a water spraying cavity (20) is fixedly arranged on the upper side wall of the steering power cavity (18), a rotating support is arranged on the left side wall of the water spraying cavity (20), a connecting transmission rod (45) is arranged on the rotating support, the lower end of the connecting transmission rod (45) extends into the steering power cavity (18), a driven bevel gear (46) is fixedly arranged at the lower end of the connecting transmission rod (45), the driven bevel gear (46) is meshed with the driving bevel gear (44), a rotating nozzle (48) is rotatably arranged on the upper side wall of the water spraying cavity (20), the connecting transmission rod (45) extends upwards into the rotating nozzle (48), a half transmission gear (47) is fixedly arranged at the upper end of the connecting transmission rod (45), the semi-transmission gear (47) is meshed with a gear ring in the rotary spray head (48).

4. The planting system using the agricultural greenhouse of claim 3, wherein: the spraying device comprises a fertilizer stirring device arranged inside the left side of the base (10), the fertilizer stirring device is used for stirring fertilizer and is rapidly dissolved in collected rainwater, a swinging cavity (39) is fixedly arranged on the right side wall of the base (10), a third transmission motor (40) is fixedly arranged on the left side wall of the swinging cavity (39), an output end is arranged on the third transmission motor (40), two semi-straight gears (43) are symmetrically arranged on the output end of the third transmission motor (40), a support rod (41) is rotatably arranged on the side wall of the swinging cavity (39), a rotating column disc (42) is fixedly arranged at the lower end of the support rod (41), the rotating column disc (42) can be respectively meshed with the two semi-straight gears (43) for transmission to achieve a swinging effect, a transmission bevel gear (38) is fixedly arranged at the upper end of the support rod (41), a support rotating shaft (25) is rotatably arranged between the upright column (14) and the wall (22), the fixed bevel gear (37) that is equipped with of support axis of rotation (25) right-hand member, bevel gear (37) can with transmission bevel gear (38) mesh, the fixed chamber (26) that sprays that is equipped with on support axis of rotation (25), it is equipped with six shower nozzles (27) to spray chamber (26) internal fixation.

5. The planting system using the agricultural greenhouse of claim 4, wherein: fertilizer agitating unit is including fixing stirring chamber (13) inside base (10), it is equipped with agitator (12) to rotate on the lateral wall under stirring chamber (13), stirring chamber (13) upper portion is fixed and is equipped with filter screen (11), stirring chamber (13) right side is equipped with second water pump (15), stirring chamber (13) with second water pump (15) with link to each other through the water pipe between shower nozzle (27).

6. The planting system using the agricultural greenhouse of claim 5, wherein: the automatic winding device comprises a chute support (28) fixed on an upright post (14) and a wall (22), wherein two sliding blocks (29) are arranged on the chute support (28) in a sliding manner, a roller (31) is arranged on each sliding block (29) in a rotating manner, four pulleys (30) are arranged at the upper end of the right side of the chute support (28), two reversing pulleys (34) are arranged on the left side wall of the wall (22), a first rope winding cavity (32) is fixedly arranged on the left side wall of the wall (22), a driven pulley (35) and a driving pulley (36) are arranged in the first rope winding cavity (32) in a rotating manner, a first transmission motor (23) is fixedly arranged on the left side wall of the wall (22), an output end of the first transmission motor (23) is arranged, the output end of the first transmission motor (23) extends into the first rope winding cavity (32), and the output end of the first transmission motor (23) drives the driving pulley (36) to rotate, the rope winding device is characterized in that a rope winding is arranged on the driven pulley (35) and the driving pulley (36), the rope winding passes through the pulley (30) and the reversing pulley (34) to be reversed and wound around the sliding block (29), the sliding block (29) slides in the chute support (28) through rope winding control, a second rope winding cavity (33) is fixedly arranged on the left side wall of the wall (22), the driven pulley (35) and the driving pulley (36) are arranged in the second rope winding cavity (33) in a rotating mode, a second transmission motor (24) is fixedly arranged on the left side wall of the wall (22), an output end is arranged on the second transmission motor (24), the output end of the second transmission motor (24) stretches into the second rope winding cavity (33), the output end of the second transmission motor (24) drives the driving pulley (36) to rotate, the rope winding is arranged on the driven pulley (35) and the driving pulley (36), the winding rope is reversed by the pulley (30) and the reversing pulley (34) to wind around the roller (31), and the roller (31) rotates on the rotating shaft (19) through rope winding operation.

Technical Field

The invention belongs to the field of agricultural greenhouse equipment, and particularly relates to a planting system utilizing an agricultural greenhouse.

Background

As is well known, the agricultural greenhouse has a wide application range in China, but the thermal insulation curtain of the common agricultural greenhouse usually needs to be folded and unfolded manually, which wastes time and labor, and the thermal insulation curtain can rub the thermal insulation film when being folded and unfolded manually, so that the thermal insulation film can be damaged.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a planting system utilizing an agricultural greenhouse.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an utilize farming systems of green house, includes the base, the fixed stand that is equipped with of base left side upper wall, the fixed wall that is equipped with of base right side upper wall, be equipped with rainwater collection device on the stand, rainwater collection device is used for collecting the rainwater and stores up the rainwater, the stand with be equipped with sprinkler between the wall, sprinkler is used for spraying of fertilizer, the fixed automatic winding device that is equipped with on the wall left side wall, automatic winding device is used for the automation of heat preservation curtain to receive and release.

Preferably, the rainwater collection device is including fixing collection chamber on the stand, be equipped with the opening on the upper left lateral wall in collection chamber, be equipped with the filter block in the stand, the stand below is equipped with deposits the water cavity, it is equipped with first water pump to deposit the water cavity right side, first water pump right side is equipped with two and turns to the power chamber, deposit the water cavity with first water pump with it all links to each other through the water pipe to turn to between the power chamber, every turn to the fixed water jet equipment that is equipped with of power chamber upside, water jet equipment is used for spraying the rainwater of collecting on crops.

Preferably, the water spraying device comprises a rotating shaft which rotates on the left side wall and the right side wall of the steering power cavity, blades are arranged at the right end of the rotating shaft, a driving bevel gear is fixedly arranged at the left end of the rotating shaft, a water spraying cavity is fixedly arranged on the upper side wall of the steering power cavity, a rotating support is arranged on the left side wall of the water spraying cavity, a connecting transmission rod is arranged on the rotating support, the lower end of the connecting transmission rod extends into the steering power cavity, a driven bevel gear is fixedly arranged at the lower end of the connecting transmission rod, the driven bevel gear is meshed with the driving bevel gear, a rotating nozzle is arranged on the upper side wall of the water spraying cavity in a rotating mode, the connecting transmission rod extends upwards into the rotating nozzle, a half transmission gear is fixedly arranged at the upper end of the connecting transmission rod, and the half transmission gear is meshed with a gear ring in the rotating nozzle.

Preferably, the spraying device comprises a fertilizer stirring device arranged inside the left side of the base, the fertilizer stirring device is used for stirring fertilizer and rapidly dissolving the fertilizer into collected rainwater, a swinging cavity is fixedly arranged on the right upper side wall of the base, a third transmission motor is fixedly arranged on the left side wall of the swinging cavity and provided with an output end, two half straight gears are symmetrically arranged at the output end of the third transmission motor, a support rod is rotatably arranged on the upper side wall of the swinging cavity, a rotating column disc is fixedly arranged at the lower end of the support rod and can be respectively meshed with the two half straight gears to achieve a swinging effect, a transmission bevel gear is fixedly arranged at the upper end of the support rod, a support rotating shaft is rotatably arranged between the upright column and the wall, a bevel gear is fixedly arranged at the right end of the support rotating shaft and can be meshed with the transmission bevel gear, the fixed chamber that sprays that is equipped with in the support axis of rotation, it is equipped with six shower nozzles to spray the intracavity fixation.

Preferably, the fertilizer stirring device comprises a stirring cavity fixed inside the base, a stirrer is rotatably arranged on the side wall of the stirring cavity, a filter screen is fixedly arranged on the upper portion of the stirring cavity, a second water pump is arranged on the right side of the stirring cavity, and the stirring cavity is connected with the second water pump and the spray heads through a water pipe.

Preferably, the automatic winding device comprises a chute support fixed on the upright post and the wall, the chute support is provided with two sliding blocks in a sliding manner, the two sliding blocks are rotatably provided with a roller, the upper end of the right side of the chute support is provided with four pulleys, the left side wall of the wall is provided with two reversing pulleys, the left side wall of the wall is fixedly provided with a first rope winding cavity, the first rope winding cavity is internally and rotatably provided with a driven pulley and a driving pulley, the left side wall of the wall is fixedly provided with a first driving motor, the first driving motor is provided with an output end, the output end of the first driving motor extends into the first rope winding cavity, the output end of the first driving motor drives the driving pulley to rotate, the driven pulley and the driving pulley are provided with a winding rope, the winding rope is wound around the sliding block in a reversing manner through the pulleys and the reversing pulleys, and the sliding block is controlled to slide in the chute support through the winding rope, the fixed second serving chamber that is equipped with on the wall left side wall, the second serving intracavity rotates and is equipped with driven pulley with the initiative pulley, the fixed second drive motor that is equipped with on the wall left side wall, second drive motor is equipped with the output, second drive motor output stretches into the second serving intracavity, second drive motor output drives the initiative pulley is rotatory, driven pulley with be equipped with the serving pulley and the serving pulley is last to be equipped with the serving pulley, the serving pulley with the switching-over pulley switching-over is walked around the cylinder, controls through the serving pulley will the cylinder is in rotate in the pivot.

When the sunlight greenhouse is normally used, the heat-insulating curtain needs to be folded and unfolded in the morning and at night, when the curtain is folded, a first transmission motor is started, the first transmission motor drives a driving pulley in a first rope winding cavity to rotate, a sliding block slides to the lower left end of a sliding groove support from the upper left end of the sliding groove support, a second transmission motor is started simultaneously, the output end of the second transmission motor drives the driving pulley in a second rope winding cavity to rotate, a roller is controlled to rotate, the heat-insulating curtain is wound up through the rotation of the roller in the downward sliding process of the sliding block, the first transmission motor is stopped when the sliding block moves to the lower left end, the second transmission motor is stopped after all the curtains are wound up, the first transmission motor is started in a reverse mode, the sliding block slides to the upper right end from the lower left end, and unfavorable crops sheltering from sunlight are prevented from growing.

When the heat preservation curtain is to be placed down, the first transmission motor is started, the sliding block is moved to the lower left end of the sliding groove support, the second transmission motor is started in a reverse mode, the roller rotates reversely to release the curtain, when the sliding block moves to the lower left end, the first transmission motor is stopped, the curtain to be released can cover the lower left end of the greenhouse, the first transmission motor is started in a reverse mode, the sliding block slides towards the upper right end, the second transmission motor works continuously, and in the process that the sliding block slides upwards continuously, the curtain covers the greenhouse completely. The automatic operation can be realized to this function of receive and release, and the cylinder of receiving and releasing device can slide the adjustment position from top to bottom, prevents that the curtain from scraping, damaging the big-arch shelter heat preservation plastics at the receive and release in-process.

When raining, the rainwater flows down along the surface of the greenhouse, flows into the collecting cavity, flows into the stand again, filters sundries such as silt or leaves through the filter block in the stand, the rainwater flows into the water storage cavity to be stored, after the storage position in the water storage cavity is completely used up, the later rainwater can overflow downwards along the opening on the left side wall of the collecting cavity, and finally the rainwater flows into the stirring cavity, so that the process finishes the collection of the rainwater.

When crops need to be irrigated, a first water pump is started, rainwater stored in a water storage cavity enters a steering power cavity, a rotating shaft is washed by power of the first water pump for the rainwater, the rotating shaft rotates, the rotating shaft drives a driving bevel gear to rotate, a driven bevel gear is driven to rotate along with the rotating shaft, a connecting transmission rod rotates under the action of rotating force, a half transmission gear at the upper end of the connecting transmission rod rotates, the half transmission gear is intermittently meshed with a gear ring in a rotating nozzle, the rotating nozzle is driven to perform intermittent rotary motion, when the crops are irrigated, a water spraying device rotates regularly, and the irrigation area is increased while quantitative irrigation is performed.

When the irrigation of fertilizer is needed to be carried out, fertilizer is put into the stirring cavity, the stirrer rotates to accelerate the fertilizer to be mixed into water, the second water pump is started, fertilizer water is sprayed onto crops, the third transmission motor is started simultaneously, two half straight gears on the third transmission motor are respectively meshed with the rotating column disc, the rotating column disc is driven to rotate to swing left and right, the support rod swings left and right along with the rotating column disc, the support rod is meshed with the bevel gears in a transmission mode, the force of swinging left and right is transmitted to the support rotating shaft, the support rotating shaft rotates left and right, the spraying cavity is driven to swing left and right in a rotation mode, the area for fertilizer irrigation can be increased by the action, and the fertilizer is more uniformly sprayed onto the needed crops. Simultaneously, water used for irrigating crops and fertilizers is rainwater, so that the effect of rainwater collection and utilization is achieved.

Compared with the prior art, the planting system utilizing the agricultural greenhouse has the following advantages:

1. the automatic operation can be realized to the function of receive and release, and the cylinder of receiving and releasing device can slide the adjustment position from top to bottom, prevents that the curtain from scraping, damaging the big-arch shelter heat preservation plastics at the in-process of receiving and releasing.

2. When crops are irrigated, the water spraying device rotates at regular time, and the irrigation area is increased while the crops are irrigated quantitatively.

3. The area for irrigating the fertilizer is enlarged, so that the fertilizer is more uniformly sprayed on the needed crops. Simultaneously, water used for irrigating crops and fertilizers is rainwater, so that the effect of rainwater collection and utilization is achieved.

Drawings

Fig. 1 is a schematic structural view of a planting system using an agricultural greenhouse.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

Fig. 4 is an enlarged view of the structure at C in fig. 1.

Fig. 5 is a sectional view taken along line D-D in fig. 1.

In the figure, 10, the base; 11. a filter screen; 12. a stirrer; 13. a stirring chamber; 14. a column; 15. a second water pump; 16. a water storage cavity; 17. a first water pump; 18. a steering power chamber; 19. a rotating shaft; 20. a water spraying cavity; 21. a collection chamber; 22. a wall; 23. a first drive motor; 24. a second drive motor; 25. a bracket rotating shaft; 26. a spray chamber; 27. a spray head; 28. a chute support; 29. a slider; 30. a pulley; 31. a drum; 32. a first spooling chamber; 33. a second rope winding cavity; 34. a diverting pulley; 35. a driven pulley; 36. a driving pulley; 37. a bevel gear; 38. a drive bevel gear; 39. a rocking cavity; 40. a third drive motor; 41. a support rod; 42. rotating the column disc; 43. a half spur gear; 44. a drive bevel gear; 45. connecting a transmission rod; 46. a driven bevel gear; 47. a half-drive gear; 48. the spray head is rotated.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, an utilize farming systems of green house, including base 10, the fixed stand 14 that is equipped with of base 10 left side upper wall, the fixed wall 22 that is equipped with of base 10 right side upper wall, be equipped with rainwater collection device on the stand 14, rainwater collection device is used for collecting the rainwater and stores up the rainwater, is equipped with sprinkler between stand 14 and the wall 22, and sprinkler is used for spraying of fertilizer, fixes being equipped with the automatic winding device on the wall 22 left side wall, and the automatic winding device is used for the automation of heat preservation curtain to receive and release.

As shown in fig. 1, the rainwater collecting device comprises a collecting cavity 21 fixed on a stand column 14, an opening is formed in the upper left side wall of the collecting cavity 21, a filter block is arranged in the stand column 14, a water storage cavity 16 is arranged below the stand column 14, a first water pump 17 is arranged on the right side of the water storage cavity 16, two steering power cavities 18 are arranged on the right side of the first water pump 17, the water storage cavity 16 is connected with the first water pump 17 and the steering power cavities 18 through water pipes, a water spraying device is fixedly arranged on the upper side of each steering power cavity 18, and the water spraying device is used for spraying collected rainwater onto crops.

As shown in fig. 1, 3 and 5, the water spraying device includes a rotating shaft 19 rotating on the left and right side walls of a steering power cavity 18, a blade is arranged at the right end of the rotating shaft 19, a driving bevel gear 44 is fixedly arranged at the left end of the rotating shaft 19, a water spraying cavity 20 is fixedly arranged on the upper side wall of the steering power cavity 18, a rotating bracket is arranged on the left side wall of the water spraying cavity 20, a connecting transmission rod 45 is arranged on the rotating bracket, the lower end of the connecting transmission rod 45 extends into the steering power cavity 18, a driven bevel gear 46 is fixedly arranged at the lower end of the connecting transmission rod 45, the driven bevel gear 46 is engaged with the driving bevel gear 44, a rotating nozzle 48 is rotatably arranged on the upper side wall of the water spraying cavity 20, the connecting transmission rod 45 extends upwards into the rotating nozzle 48, a half-transmission gear 47 is fixedly arranged at the upper end of the connecting transmission rod 45, and the half-transmission gear 47 is engaged with a gear ring in the rotating nozzle 48.

As shown in fig. 1, 3 and 4, the spraying device comprises a fertilizer stirring device arranged inside the left side of the base 10, the fertilizer stirring device is used for stirring fertilizer and dissolving the fertilizer into collected rainwater rapidly, a swinging cavity 39 is fixedly arranged on the upper right side wall of the base 10, a third transmission motor 40 is fixedly arranged on the left side wall of the swinging cavity 39, an output end of the third transmission motor 40 is provided, two half straight gears 43 are symmetrically arranged on the output end of the third transmission motor 40, a support rod 41 is rotatably arranged on the upper side wall of the swinging cavity 39, a rotating column disk 42 is fixedly arranged at the lower end of the support rod 41, the rotating column disk 42 can be respectively engaged with the two half straight gears 43 for transmission so as to achieve swinging effect, a transmission bevel gear 38 is fixedly arranged at the upper end of the support rod 41, a support rotating shaft 25 is rotatably arranged between the upright 14 and the wall 22, a bevel gear 37 is fixedly arranged at the right end of the support rotating shaft 25, and the bevel gear 37 can be engaged with the transmission bevel gear 38, a spraying cavity 26 is fixedly arranged on the support rotating shaft 25, and six spray heads 27 are fixedly arranged in the spraying cavity 26.

As shown in figure 1, the fertilizer stirring device comprises a stirring cavity 13 fixed inside a base 10, a stirrer 12 is rotatably arranged on the lower side wall of the stirring cavity 13, a filter screen 11 is fixedly arranged on the upper portion of the stirring cavity 13, a second water pump 15 is arranged on the right side of the stirring cavity 13, and the stirring cavity 13 is connected with the second water pump 15 and a spray head 27 through a water pipe.

As shown in fig. 1 and fig. 2, the automatic winding device includes a chute support 28 fixed on the upright post 14 and the wall 22, two sliding blocks 29 are slidably disposed on the chute support 28, a roller 31 is rotatably disposed on the two sliding blocks 29, four pulleys 30 are disposed at the upper end of the right side of the chute support 28, two reversing pulleys 34 are disposed on the left side wall of the wall 22, a first rope winding chamber 32 is fixedly disposed on the left side wall of the wall 22, a driven pulley 35 and a driving pulley 36 are rotatably disposed in the first rope winding chamber 32, a first transmission motor 23 is fixedly disposed on the left side wall of the wall 22, the first transmission motor 23 is provided with an output end, the output end of the first transmission motor 23 extends into the first rope winding chamber 32, the output end of the first transmission motor 23 drives the driving pulley 36 to rotate, a rope winding is disposed on the driven pulley 35 and the driving pulley 36, the rope is reversely wound around the sliding block 29 through the pulleys 30 and the reversing pulley 34, the sliding block 29 is operated and operated to slide in the chute support 28 by the rope winding, fixed second serving chamber 33 that is equipped with on the wall 22 left side wall, second serving chamber 33 internal rotation is equipped with driven pulley 35 and drive pulley 36, fixed second drive motor 24 that is equipped with on the wall 22 left side wall, second drive motor 24 is equipped with the output, second drive motor 24 output stretches into in second serving chamber 33, second drive motor 24 output drives drive pulley 36 rotatory, be equipped with the serving on driven pulley 35 and the drive pulley 36, the serving is through 30 pulleys and the switching-over pulley 34 switching-over around cylinder 31, control through the serving and rotate cylinder 31 on pivot 19.

When the sunlight greenhouse is normally used, the heat preservation curtain needs to be folded and unfolded in the morning and evening, when the curtain is folded, the first transmission motor 23 is started, the first transmission motor 23 drives the driving pulley 36 in the first rope winding cavity 32 to rotate, the sliding block 29 slides from the left upper end of the chute support 28 to the left lower end of the chute support 28, the second transmission motor 24 is started simultaneously, the output end of the second transmission motor 24 drives the driving pulley 36 in the second rope winding cavity 33 to rotate, the roller 31 is controlled to rotate, the roller 31 rotates to wind up the heat preservation curtain in the downward sliding process of the sliding block 29, when the sliding block 29 moves to the left lower end, the first transmission motor 23 is stopped, the second transmission motor 24 is stopped after all the curtains are wound up, the first transmission motor 23 is started in a reverse rotation mode, the sliding block 29 slides from the left lower end to the right upper end, and the growth of adverse crops sheltered from sunlight is prevented, .

When the heat preservation curtain is to be put down, the first transmission motor 23 is started, the sliding block 29 is moved to the lower left end of the chute support 28, the second transmission motor 24 is started in a reverse rotation mode, the roller 31 rotates reversely to release the curtain, when the sliding block 29 moves to the lower left end, the first transmission motor 23 is stopped, the curtain to be released can sufficiently cover the lower left end of the greenhouse, the first transmission motor 23 is started in a reverse rotation mode, the sliding block 29 slides to the upper right end, the second transmission motor 24 continuously works, and in the process that the sliding block 29 continuously slides upwards, the greenhouse is completely covered by the curtain. The automatic operation can be realized to this function of receive and release, and the cylinder of receiving and releasing device can slide the adjustment position from top to bottom, prevents that the curtain from scraping, damaging the big-arch shelter heat preservation plastics at the receive and release in-process.

When raining, rainwater flows down along the surface of the greenhouse, flows into the collecting cavity 21, then flows into the upright post 14 again, filters sundries such as silt or leaves through the filter block in the upright post 14, the rainwater flows into the water storage cavity 16 for storage, after the storage position in the water storage cavity 16 is completely used up, the later rainwater can overflow downwards along the opening on the left side wall of the collecting cavity 21, and finally the rainwater flows into the stirring cavity 13, so that the process finishes the collection of the rainwater.

When crops need to be irrigated, the first water pump 17 is started, rainwater stored in the water storage cavity 16 enters the steering power cavity 18, the rotating shaft 19 is flushed by power of the rainwater through the first water pump 17, the rotating shaft 19 rotates, the rotating shaft 19 drives the driving bevel gear 44 to rotate, the driven bevel gear 46 is driven to rotate, the connecting and driving rod 45 rotates under the action of the rotating force, the half transmission gear 47 at the upper end of the connecting and driving rod 45 rotates, the half transmission gear 47 is intermittently meshed with the gear ring in the rotating nozzle 48, the rotating nozzle 48 is driven to rotate at intervals, when the crops are irrigated, the water injector rotates at regular time, and the irrigating area is increased while quantitative irrigating is carried out.

When irrigation of fertilizer is needed, fertilizer is put into the stirring cavity 13, the stirrer 12 rotates to accelerate the fertilizer to be mixed into water, the second water pump 15 is started to spray fertilizer water onto crops, the third transmission motor 40 is started simultaneously, the two half straight gears 43 on the third transmission motor 40 are respectively meshed with the rotating column disc 42 to drive the rotating column disc 42 to swing left and right, the support rod 41 swings left and right along with the rotating column disc, the force swinging left and right is transmitted to the support rotating shaft 25 through meshing transmission of the bevel gears 37 and the transmission bevel gears 38, the support rotating shaft 25 rotates left and right to drive the spraying cavity 26 to swing left and right, the fertilizer irrigation area can be enlarged through the action, and the fertilizer can be uniformly sprayed onto the needed crops. Simultaneously, water used for irrigating crops and fertilizers is rainwater, so that the effect of rainwater collection and utilization is achieved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.