CN111226784A

CN111226784A - Soilless culture big-arch shelter

Info

Publication number: CN111226784A
Application number: CN202010204430.0A
Authority: CN
Inventors: 吴娟; 余荣芳; 李涵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-06-05

Abstract

The invention relates to the field of cultivation greenhouses, in particular to a soilless cultivation greenhouse, which comprises a greenhouse frame component, a greenhouse top rolling component, a lifting winch component and an auxiliary lifting component, wherein the greenhouse top rolling component and the lifting winch component are respectively arranged at two sides of the greenhouse frame component, a sun shield can be rolled through the arranged greenhouse top rolling component and the lifting winch component, when a plant needs to be illuminated, a second servo motor in the lifting winch component can drive a second rotating roller to rotate when being started, the second rotating roller can drive the sun shield to roll, when the sun shield needs to be covered, a first servo motor in the rolling component can drive a first rotating roller to rotate when being started, the first rotating roller can drive a steel cable to roll, so that the sun shield rolled on the second rotating roller is pulled to be above a top plate, the inside sunshade that carries on of big-arch shelter need not the manual work and shelters from and the rolling to it, labour saving and time saving.

Description

Soilless culture big-arch shelter

Technical Field

The invention relates to the field of cultivation greenhouses, in particular to a soilless cultivation greenhouse.

Background

With the continuous progress of agricultural science and technology and the modernization of agricultural production, facility agriculture is rapidly developed in China, and greenhouse planting is used as a main type of facility agriculture and has obvious social and economic benefits, so that the facility agriculture is widely applied in China. Illumination is a key element of plant growth, which affects the rate and efficiency of plant photosynthesis.

Soilless culture big-arch shelter carries out the sunshade through the puggaree mostly, when needs carry out the illumination, then take off the puggaree, because the area of big-arch shelter is great, the process of taking off the puggaree wastes time and energy, need consume a large amount of labour's resources, simultaneously because the cultivation frame is the subaerial of placing bottom in the big-arch shelter, because the big-arch shelter lateral wall shelters from light all around for the plant that is located on the cultivation frame of bottom in the big-arch shelter can't all accept shining of light.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a soilless culture greenhouse.

The technical scheme adopted by the invention for solving the technical problems is as follows: a soilless culture greenhouse comprises a greenhouse frame assembly, a greenhouse top rolling assembly, a lifting winch assembly and an auxiliary lifting assembly, wherein the greenhouse top rolling assembly and the lifting winch assembly are respectively arranged on two sides of the greenhouse frame assembly, the auxiliary lifting assembly is arranged inside the greenhouse frame assembly, the greenhouse frame assembly comprises a base, a first side plate, a second side plate, a top plate, a light guide opening, a culture frame, a sunshade plate and a steel cable, the first side plate and the second side plate are respectively and fixedly connected with two ends of the top of the base, the tops of the first side plate and the second side plate are both fixedly connected with the top plate, the top of the top plate is provided with the light guide opening in a penetrating manner, the culture frame is arranged between the first side plate and the second side plate, the top of the top plate is provided with a plurality of sunshade plates, the sunshade plates are hinged end to end, and the bottom of the sunshade, the shed roof winding assembly comprises a first case, a first fixed rack, a first servo motor, a first rotating shaft and a first rotating roller, the first case is fixedly connected to the wall of the second side plate, the first servo motor is fixedly connected to the inside of the first case through the first fixed rack, the first rotating shaft is fixedly connected to the wall of an output shaft of the first servo motor through a coupler, the other end of the first rotating shaft penetrates through the first case, the first rotating shaft is rotatably connected with the first case, the first rotating shaft penetrates through the wall of one end of the first case and is fixedly connected with the first rotating roller, the lifting winch assembly comprises a second case, a second fixed rack, a second servo motor, a second rotating shaft, a second rotating roller, a first bevel gear, a second bevel gear, a first lead screw, a third bevel gear, a second lead screw, a first rotating roller and a first rotating roller, The second case is fixedly connected to the wall of the first side plate, a second servo motor is fixedly connected to the inside of the second case through a second fixed frame, a second rotating shaft is fixedly connected to the shaft wall of an output shaft of the second servo motor through a coupler, the other end of the second rotating shaft penetrates through the second case, the second rotating shaft is rotatably connected with the second case, a second rotating roller is fixedly connected to the shaft wall of one end of the second case, a first bevel gear and a second bevel gear are respectively arranged at two ends of the second rotating roller, the first bevel gear and the second bevel gear are fixedly connected to the shaft wall of the second rotating shaft, a first lead screw is arranged below the first bevel gear, and a third bevel gear is fixedly connected to one end of the first lead screw, the third bevel gear is meshed with the first bevel gear, a second screw rod is arranged below the second bevel gear, a fourth bevel gear is fixedly connected to one end of the second screw rod, the fourth bevel gear is meshed with the second bevel gear, a transmission plate is fixedly connected to one end, close to the first side plate, of the cultivation frame, a second groove is formed in the plate wall of the first side plate, corresponding to the transmission plate, one end, far away from the cultivation frame, of the transmission plate penetrates through the second groove, one ends, far away from the second rotating shaft, of the first screw rod and the second screw rod penetrate through the transmission plate, the first screw rod and the second screw rod are in threaded connection with the transmission plate, the auxiliary lifting assembly comprises a support plate, a third fixed rack, a third servo motor and a third screw rod, a support plate is fixedly connected to the inner plate wall, far away from one end of the base, of the second side plate, and a third servo motor is fixedly connected to the top of the support, the shaft wall of the output shaft of the third servo motor is fixedly connected with a third lead screw through a coupler, the other end of the third lead screw penetrates through the supporting plate, the third lead screw is rotatably connected with the supporting plate, one end of the third lead screw, which penetrates through the supporting plate, penetrates through the cultivation frame, and the third lead screw is in threaded connection with the cultivation frame.

Specifically, first recess, two have all been seted up at the both ends at roof top the inside of first recess all is provided with the deflector roll, the equal fixedly connected with round pin axle in both ends of deflector roll, the round pin axle rotates with the inside wall at first recess both ends to be connected.

Specifically, first servo motor, second servo motor and third servo motor all pass through PLC controller and external power source electric connection.

Specifically, the end, far away from first servo motor, of first axis of rotation is rotated and is connected with first limiting plate, first limiting plate and second curb plate fixed connection.

Specifically, one end of the first screw rod and one end of the second screw rod, which penetrate through the transmission plate, are respectively and rotatably connected with the base through two first bearings.

Specifically, the first slider of the equal fixedly connected with in both ends of driving plate, the third recess has been seted up to corresponding first slider on the inside wall of second recess, third recess and first slider phase-match set up.

Specifically, the one end that the third lead screw passed the cultivation frame is passed through the second bearing and is connected with the base rotation, the one end fixedly connected with second slider of driving plate is kept away from to the cultivation frame, correspond the second slider on the siding of second curb plate and seted up the fourth recess, fourth recess and second slider phase-match set up.

The invention has the beneficial effects that:

(1) according to the soilless culture greenhouse, the sun shield can be wound through the arranged greenhouse top winding assembly and the lifting winding assembly, when the plants need to be illuminated, the second servo motor in the lifting winding assembly can drive the second rotating roller to rotate when being started, the second rotating roller can drive the sun shield to wind, when the sun shield needs to be covered, the first servo motor in the winding assembly can drive the first rotating roller to rotate when being started, the first rotating roller can drive the steel cable to wind, so that the sun shield wound on the second rotating roller is pulled to the position above the top plate, the interior of the greenhouse is shaded, the greenhouse does not need to be manually shielded and wound, and time and labor are saved.

(2) According to the soilless culture greenhouse, the height of the culture frame from the ground can be adjusted through the lifting winch assembly and the auxiliary lifting assembly, the lifting winch assembly drives the sun shield to roll and simultaneously can drive the screw rod to rotate through the bevel gear, the screw rod can drive the transmission plate in threaded connection with the screw rod to lift along the second groove when rotating, the transmission plate can drive the culture frame to lift, meanwhile, the third servo motor in the auxiliary lifting assembly can drive the other end of the culture frame to lift synchronously through the third screw rod, stable lifting of the culture frame is guaranteed, the culture frame is lifted to the inner top of the greenhouse, the side wall of the greenhouse can not shield light, and plants can better receive irradiation of the light.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a soilless culture greenhouse provided by the invention;

FIG. 2 is a schematic structural view of a sun visor in a soilless culture greenhouse according to the present invention;

FIG. 3 is a schematic structural view of a roof rolling assembly in a soilless culture greenhouse according to the present invention;

FIG. 4 is a schematic structural view of a lifting winch assembly in a soilless culture greenhouse according to the present invention;

fig. 5 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1. a greenhouse frame assembly; 11. a base; 12. a first side plate; 13. a second side plate; 14. a top plate; 15. a light guide opening; 16. a first groove; 17. a guide roller; 18. a pin shaft; 19. a cultivation shelf; 110. a sun visor; 111. a steel cord; 2. a shed roof rolling component; 21. a first chassis; 22. a first stationary frame; 23. a first servo motor; 24. a first rotating shaft; 25. a first rotating roller; 26. a first limit plate; 3. lifting the hoisting assembly; 31. a second chassis; 32. a second stationary frame; 33. a second servo motor; 34. a second rotating shaft; 35. a second rotating roller; 36. a first bevel gear; 37. a second bevel gear; 38. a first lead screw; 39. a third bevel gear; 310. a second lead screw; 311. a fourth bevel gear; 312. a drive plate; 313. a first bearing; 314. a second groove; 315. a first slider; 316. a third groove; 4. an auxiliary lift assembly; 41. a support plate; 42. a third fixed frame; 43. a third servo motor; 44. a third screw rod; 45. a second bearing; 46. a second slider; 47. and a fourth groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the soilless culture greenhouse of the present invention comprises a greenhouse frame assembly 1, a greenhouse top rolling assembly 2, a lifting winch assembly 3 and an auxiliary lifting assembly 4, wherein the greenhouse top rolling assembly 2 and the lifting winch assembly 3 are respectively disposed at two sides of the greenhouse frame assembly 1, the auxiliary lifting assembly 4 is disposed inside the greenhouse frame assembly 1, the greenhouse frame assembly 1 comprises a base 11, a first side plate 12, a second side plate 13, a top plate 14, a light guide opening 15, a culture frame 19, a sun shield 110 and a steel cable 111, the first side plate 12 and the second side plate 13 are respectively fixedly connected to two ends of the top of the base 11, the tops of the first side plate 12 and the second side plate 13 are both fixedly connected to the top plate 14, the light guide opening 15 is formed at the top of the top plate 14, the culture frame 19 is disposed between the first side plate 12 and the second side plate 13, the top of the top plate 14 is provided with a plurality of sun visors 110, the sun visors 110 are hinged end to end, the bottom of the sun visor 110 is fixedly connected with a steel cable 111, the canopy winding assembly 2 comprises a first case 21, a first fixed frame 22, a first servo motor 23, a first rotating shaft 24 and a first rotating roller 25, the first case 21 is fixedly connected to the plate wall of the second side plate 13, the first servo motor 23 is fixedly connected to the inside of the first case 21 through the first fixed frame 22, the first rotating shaft 24 is fixedly connected to the shaft wall of the output shaft of the first servo motor 23 through a coupling, the other end of the first rotating shaft 24 penetrates through the first case 21, the first rotating shaft 24 is rotatably connected with the first case 21, the first rotating shaft 24 penetrates through the shaft wall of one end of the first case 21 and is fixedly connected with the first rotating roller 25, the lifting winch component 3 comprises a second case 31, a second fixed frame 32, a second servo motor 33, a second rotating shaft 34, a second rotating roller 35, a first bevel gear 36, a second bevel gear 37, a first screw rod 38, a third bevel gear 39, a second screw rod 310, a fourth bevel gear 311, a transmission plate 312 and a second groove 314, wherein the second case 31 is fixedly connected to the plate wall of the first side plate 12, the second servo motor 33 is fixedly connected to the inside of the second case 31 through the second fixed frame 32, the second rotating shaft 34 is fixedly connected to the shaft wall of the output shaft of the second servo motor 33 through a coupler, the other end of the second rotating shaft 34 penetrates through the second case 31, the second rotating shaft 34 is rotatably connected with the second case 31, the second rotating roller 35 is fixedly connected to the shaft wall of one end of the second case 31 through the second rotating shaft 34, a first bevel gear 36 and a second bevel gear 37 are respectively arranged at two ends of the second rotating roller 35, the first bevel gear 36 and the second bevel gear 37 are both fixedly connected to a shaft wall of the second rotating shaft 34, a first screw rod 38 is arranged below the first bevel gear 36, a third bevel gear 39 is fixedly connected to one end of the first screw rod 38, the third bevel gear 39 is in meshed connection with the first bevel gear 36, a second screw rod 310 is arranged below the second bevel gear 37, a fourth bevel gear 311 is fixedly connected to one end of the second screw rod 310, the fourth bevel gear 311 is in meshed connection with the second bevel gear 37, a transmission plate 312 is fixedly connected to one end of the cultivation frame 19 close to the first side plate 12, a second groove 314 is arranged on the plate wall of the first side plate 12 corresponding to the transmission plate 312, and a second groove 314 is arranged at one end of the transmission plate 312 far away from the cultivation frame 19, and the ends of the first lead screw 38 and the second lead screw 310 away from the second rotating shaft 34 both pass through the transmission plate 312, the first lead screw 38 and the second lead screw 310 are in threaded connection with a transmission plate 312, the auxiliary lifting assembly 4 comprises a support plate 41, a third fixed frame 42, a third servo motor 43 and a third lead screw 44, a supporting plate 41 is fixedly connected to the inner plate wall of the second side plate 13 far away from one end of the base 11, a third servo motor 43 is fixedly connected to the top of the supporting plate 41 through a third fixing frame 42, a third screw rod 44 is fixedly connected on the shaft wall of the output shaft of the third servo motor 43 through a coupler, the other end of the third screw rod 44 passes through the support plate 41, the third screw rod 44 is rotatably connected with the support plate 41, one end of the third screw rod 44 passing through the support plate 41 passes through the cultivation frame 19, and the third screw rod 44 is in threaded connection with the cultivation frame 19.

Specifically, first recess 16, two have all been seted up at the both ends at roof 14 top first recess 16's inside all is provided with deflector roll 17, the equal fixedly connected with round pin axle 18 in deflector roll 17's both ends, round pin axle 18 rotates with the inside wall at first recess 16 both ends to be connected, and deflector roll 17 rotates through round pin axle 18 and connects in the inside of first recess 16, can make shed roof rolling subassembly 2 and lifting hoist subassembly 3 assist it when rolling sunshading board 110 and cable wire 111 for sunshading board 110 and cable wire 111 are rolled up more smoothly.

Specifically, first servo motor 23, second servo motor 33 and third servo motor 43 all pass through PLC controller and external power supply electric connection, and TB6600 type PLC controller can control the rotational speed and the turning to of first servo motor 23, second servo motor 33 and third servo motor 43, ensures that the device when starting, and first servo motor 23 and third servo motor 43 can start simultaneously, and second servo motor 33 carries out reverse rotation when first servo motor 23 starts.

Specifically, the one end that first axis of rotation 24 kept away from first servo motor 23 rotates and is connected with first limiting plate 26, first limiting plate 26 and second curb plate 13 fixed connection, first limiting plate 26 can carry out spacing support by first axis of rotation 24, can make first axis of rotation 24 more stable when driving first rotor roll 25 and rotate.

Specifically, one end of the first lead screw 38 and one end of the second lead screw 310, which penetrate through the transmission plate 312, are rotatably connected with the base 11 through two first bearings 313, and the first lead screw 38 and the second lead screw 310 can be rotatably connected with the base 11 through the first bearings 313, so that the lead screws are more stable when rotating.

Specifically, the first slider 315 of the equal fixedly connected with in both ends of driving plate 312, third recess 316 has been seted up corresponding first slider 315 on the inside wall of second recess 314, third recess 316 and the setting of first slider 315 phase-match, driving plate 312 can drive first slider 315 and slide in the inside of third recess 316 when the inside of second recess 314 slides, make things convenient for driving plate 312 to be in the steady lift.

Specifically, the one end that third lead screw 44 passed cultivation frame 19 is passed through second bearing 45 and is connected with base 11 rotation, and when third lead screw 44 rotated with base 11 through second bearing 45 and was connected, made things convenient for third lead screw 44 to rotate, cultivation frame 19 kept away from the one end fixedly connected with second slider 46 of driving plate 312, fourth recess 47 has been seted up to corresponding second slider 46 on the bulkhead of second curb plate 13, fourth recess 47 sets up with second slider 46 phase-match, and when third lead screw 44 drove cultivation frame 19 and goes up and down, cultivation frame 19 can drive second slider 46 and slide in the inside of fourth recess 47, and second slider 46 can make cultivation frame 19 more stable when going up and down when the inside of fourth recess 47 slides.

When the sun shield is used, the rotation speed and the rotation direction of the first servo motor 23, the second servo motor 33 and the third servo motor 43 are controlled by the PLC, the device can be driven normally, when the plants need to be illuminated, the sun shield 110 can be wound by the shed roof winding component 2 and the lifting winding component 3, when the plants need to be wound, the second servo motor 33 in the lifting winding component 3 can drive the second rotating roller 35 to rotate when being started, the second rotating roller 35 can drive the sun shield 110 to be wound, when the sun shield 110 is wound, the lifting winding component 3 and the auxiliary lifting component 4 can adjust the ground clearance of the cultivation frame 19, the first lead screw 38 is arranged below the first bevel gear 36, one end of the first lead screw 38 is fixedly connected with the third bevel gear 39, the third bevel gear 39 is meshed with the first bevel gear 36, a second screw rod 310 is arranged below the second bevel gear 37, one end of the second screw rod 310 is fixedly connected with a fourth bevel gear 311, the fourth bevel gear 311 is meshed with the second bevel gear 37, one end of the cultivation frame 19 close to the first side plate 12 is fixedly connected with a transmission plate 312, the lifting winch component 3 can drive the sun visor 110 to wind and simultaneously can be meshed with the first bevel gear 36 through a third bevel gear 39 to drive the first screw rod 38 to rotate, meanwhile, the fourth bevel gear 311 is meshed with the second bevel gear 37 to drive the second screw rod 310 to rotate, the first screw rod 38 and the second screw rod 310 can simultaneously drive the transmission plate 312 in threaded connection with the first screw rod 38 and the second screw rod 310 to lift along the second groove 314 when rotating, the transmission plate 312 can drive the cultivation frame 19 to lift, meanwhile, a third servo motor 43 in the auxiliary lifting component 4 can drive the other end of the cultivation frame 19 to lift synchronously through the third screw rod 44, ensure the lift that cultivation frame 19 can be steady, with cultivation frame 19 lifting to the interior top of big-arch shelter, can make the lateral wall of big-arch shelter can not shelter from to the light, make the plant can be better accept shining of light, when needs cover sunshading board 110, the inside first servo motor 23 of rolling subassembly can drive first live-rollers 25 when starting and rotate, first live-rollers 25 can drive cable wire 111 and carry out the rolling, thereby with rolling sunshading board 110 on second live-rollers 35 pull to the top of roof 14, sunshade is carried out to big-arch shelter inside, need not the manual work and shelter from and the rolling to it.

The foregoing illustrates and describes the principles, general features, and advantages of the present 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 embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The soilless culture greenhouse is characterized by comprising a greenhouse frame component (1), a greenhouse top rolling component (2), a lifting winch component (3) and an auxiliary lifting component (4), wherein the greenhouse top rolling component (2) and the lifting winch component (3) are respectively arranged on two sides of the greenhouse frame component (1), and the auxiliary lifting component (4) is arranged inside the greenhouse frame component (1);

the greenhouse frame assembly (1) comprises a base (11), a first side plate (12), a second side plate (13), a top plate (14), light guide openings (15), cultivation frames (19), sunshade plates (110) and steel cables (111), wherein the first side plate (12) and the second side plate (13) are fixedly connected to two ends of the top of the base (11) respectively, the tops of the first side plate (12) and the second side plate (13) are fixedly connected with the top plate (14), the light guide openings (15) are formed in the top of the top plate (14) in a penetrating mode, the cultivation frames (19) are arranged between the first side plate (12) and the second side plate (13), the top of the top plate (14) is provided with a plurality of sunshade plates (110), the sunshade plates (110) are hinged end to end, and the bottom of each sunshade plate (110) is fixedly connected with the steel cable (111);

the shed roof winding assembly (2) comprises a first case (21), a first fixed rack (22), a first servo motor (23), a first rotating shaft (24) and a first rotating roller (25), wherein the first case (21) is fixedly connected to the wall of the second side plate (13), the first servo motor (23) is fixedly connected to the inside of the first case (21) through the first fixed rack (22), the first rotating shaft (24) is fixedly connected to the shaft wall of an output shaft of the first servo motor (23) through a coupler, the other end of the first rotating shaft (24) penetrates through the first case (21), the first rotating shaft (24) is rotatably connected with the first case (21), and the first rotating shaft (24) penetrates through the shaft wall of one end of the first case (21) and is fixedly connected with the first rotating roller (25);

the lifting winch component (3) comprises a second case (31), a second fixed frame (32), a second servo motor (33), a second rotating shaft (34), a second rotating roller (35), a first bevel gear (36), a second bevel gear (37), a first screw rod (38), a third bevel gear (39), a second screw rod (310), a fourth bevel gear (311), a transmission plate (312) and a second groove (314), wherein the second case (31) is fixedly connected to the plate wall of the first side plate (12), the second servo motor (33) is fixedly connected to the inside of the second case (31) through the second fixed frame (32), a second rotating shaft (34) is fixedly connected to the shaft wall of an output shaft of the second servo motor (33) through a coupler, the other end of the second rotating shaft (34) penetrates through the second case (31), and the second rotating shaft (34) is rotatably connected with the second case (31), the second rotating shaft (34) penetrates through the shaft wall at one end of the second case (31) and is fixedly connected with a second rotating roller (35), two ends of the second rotating roller (35) are respectively provided with a first bevel gear (36) and a second bevel gear (37), the first bevel gear (36) and the second bevel gear (37) are fixedly connected to the shaft wall of the second rotating shaft (34), a first screw rod (38) is arranged below the first bevel gear (36), one end of the first screw rod (38) is fixedly connected with a third bevel gear (39), the third bevel gear (39) is meshed with the first bevel gear (36), a second screw rod (310) is arranged below the second bevel gear (37), one end of the second screw rod (310) is fixedly connected with a fourth bevel gear (311), and the fourth bevel gear (311) is meshed with the second bevel gear (37), one end, close to the first side plate (12), of the cultivation frame (19) is fixedly connected with a transmission plate (312), a second groove (314) is formed in the wall of the first side plate (12) and corresponds to the transmission plate (312), one end, far away from the cultivation frame (19), of the transmission plate (312) penetrates through the second groove (314), one ends, far away from the second rotating shaft (34), of the first screw rod (38) and the second screw rod (310) penetrate through the transmission plate (312), and the first screw rod (38) and the second screw rod (310) are in threaded connection with the transmission plate (312);

supplementary lifting subassembly (4) include backup pad (41), third fixed frame (42), third servo motor (43) and third lead screw (44) are constituteed, fixedly connected with backup pad (41) on the interior siding of base (11) one end is kept away from in second curb plate (13), the top of backup pad (41) is through third fixed frame (42) fixedly connected with third servo motor (43), through shaft coupling fixedly connected with third lead screw (44) on the axle wall of third servo motor (43) output shaft, backup pad (41) is passed to the other end of third lead screw (44), third lead screw (44) rotate with backup pad (41) and are connected, cultivation frame (19) is passed to the one end that third lead screw (44) passed backup pad (41), third lead screw (44) and cultivation frame (19) threaded connection.

2. A soilless culture greenhouse as claimed in claim 1, wherein: first recess (16), two have all been seted up at the both ends at roof (14) top the inside of first recess (16) all is provided with deflector roll (17), the equal fixedly connected with round pin axle (18) in both ends of deflector roll (17), round pin axle (18) are connected with the inside wall rotation at first recess (16) both ends.

3. A soilless culture greenhouse as claimed in claim 1, wherein: the first servo motor (23), the second servo motor (33) and the third servo motor (43) are all electrically connected with an external power supply through a PLC.

4. A soilless culture greenhouse as claimed in claim 1, wherein: one end, far away from first servo motor (23), of first rotating shaft (24) is rotatably connected with first limiting plate (26), and first limiting plate (26) and second lateral plate (13) are fixedly connected.

5. A soilless culture greenhouse as claimed in claim 1, wherein: one end of the first screw rod (38) and one end of the second screw rod (310) which penetrate through the transmission plate (312) are respectively connected with the base (11) in a rotating mode through two first bearings (313).

6. A soilless culture greenhouse as claimed in claim 1, wherein: the both ends of driving plate (312) are first slider (315) of equal fixedly connected with, third recess (316) have been seted up corresponding first slider (315) on the inside wall of second recess (314), third recess (316) and first slider (315) phase-match set up.

7. A soilless culture greenhouse as claimed in claim 1, wherein: one end of the third screw rod (44) penetrating through the cultivation frame (19) is rotatably connected with the base (11) through a second bearing (45); cultivation frame (19) are kept away from one end fixedly connected with second slider (46) of driving plate (312), fourth recess (47) have been seted up corresponding second slider (46) on the siding of second curb plate (13), fourth recess (47) and second slider (46) phase-match set up.