CN216254278U

CN216254278U - Big-arch shelter sprinkler for agricultural

Info

Publication number: CN216254278U
Application number: CN202123018408.6U
Authority: CN
Inventors: 麦永康
Original assignee: Zhanjiang Shimudi Agriculture Co ltd
Current assignee: Zhanjiang Shimudi Agriculture Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-12
Anticipated expiration: 2031-12-02

Abstract

The utility model provides a greenhouse spraying device for agriculture, and relates to the technical field of greenhouse spraying. Big-arch shelter sprinkler for agricultural includes: big-arch shelter main part, liquid medicine mixed subassembly and spraying mechanism, fixed mounting has a slide rail, two on the lateral wall of big-arch shelter main part both ends sliding connection has a supporting beam on the slide rail, it has the drive assembly who is used for driving a supporting beam to remove to be equipped with the symmetry on a supporting beam, a supporting beam middle part fixed mounting has electric telescopic handle, electric telescopic handle is equipped with two, and sets up based on a supporting beam symmetry and is used for holding stirring watering liquid medicine mixed subassembly fixed mounting is on a supporting beam for the big-arch shelter sprays spraying mechanism sets up and a supporting beam's below, and spraying mechanism includes power component and spraying assembly. The agricultural greenhouse spraying device provided by the utility model has the advantages of automatic spraying operation, uniform spraying and suitability for being absorbed by plants.

Description

Big-arch shelter sprinkler for agricultural

Technical Field

The utility model relates to the technical field of greenhouse spraying, in particular to a greenhouse spraying device for agriculture.

Background

The shed is made up by using bamboo and wood poles, cement poles, light steel pipes or pipes as skeleton, making them into vertical columns, pull rods, arch poles and pressure rods, and covering them with plastic film to obtain the arched shed. The greenhouse needs to be sunny, windproof, highly dry and good in drainage.

At the in-process that the big-arch shelter was bred, need irrigate, fertilize and spray insecticide to the plant culture in the big-arch shelter, and traditional sprinkler mostly is the manual work and bears sprinkler or promotes sprinkler and operate, needs the operator to carry out the operation in the big-arch shelter, and when spraying insecticide, the operator inhales the pesticide, brings some harm for the operator health, if arrange the pipeline that sprays in the big-arch shelter, arranges the composition height, and later stage maintenance difficulty.

Therefore, there is a need to provide a new agricultural greenhouse spraying device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a greenhouse spraying device for agriculture, which is used for automatic spraying operation, even spraying and suitable for being absorbed by plants.

The embodiment of the utility model is realized by the following steps:

the utility model provides a big-arch shelter sprinkler for agricultural, includes big-arch shelter main part, liquid medicine mixing assembly and spraying mechanism, fixed mounting has a slide rail, two on the lateral wall of big-arch shelter main part both ends sliding connection has a supporting beam on the slide rail, it has the drive assembly who is used for driving a supporting beam to remove to be equipped with the symmetry on a supporting beam, a supporting beam middle part fixed mounting has electric telescopic handle, electric telescopic handle is equipped with two, and sets up based on a supporting beam symmetry for hold stirring watering liquid medicine mixing assembly fixed mounting is on a supporting beam, is used for the big-arch shelter to spray spraying mechanism sets up the below with a supporting beam, and spraying mechanism includes power component and spraying component, power component fixed mounting is on a supporting beam, spraying component set up with a supporting beam down and with electric telescopic end fixed connection.

In some embodiments of the present invention, the driving assembly includes a rack plate, a driving motor and a spur gear, the rack plate is fixedly mounted on the slide rail, the driving motor is fixedly mounted on the support beam, and the output shaft of the driving motor is sleeved with the spur gear, and the spur gear is engaged with the rack plate.

In some embodiments of the present invention, the liquid medicine mixing assembly includes two mixing boxes symmetrically disposed on the support beam, a rotating shaft rotatably installed in the two mixing boxes, and a plurality of stirring rods fixedly installed at positions where the rotating shaft extends into the two mixing boxes.

In some embodiments of the utility model, lifting rings are fixedly installed on the upper surfaces of the two mixing boxes, a linear guide rail is fixedly installed at the top end of the greenhouse main body, which is located on the support beam, a sliding block is connected on the linear guide rail in a sliding manner, a steel cable rope is tied on the sliding block, and the other end of the steel cable rope is tied with the lifting rings.

In some embodiments of the utility model, a first belt wheel is sleeved on the rotating shaft between the two mixing boxes, and the first belt wheel is in linkage fit with the spraying assembly.

In some embodiments of the utility model, the power assembly comprises a water pump, a three-way pipe and a filter screen, the water pump is fixedly mounted on the support beam, a liquid inlet end of the water pump is communicated with one end of the three-way pipe, the other two connecting ends of the three-way pipe are respectively inserted into the mixing boxes on two sides of the water pump, and the filter screen is fixedly mounted on the other two connecting ends of the three-way pipe.

In some embodiments of the utility model, the spraying assembly comprises a connecting seat, U-shaped frames, a transfer box, water pipes and spray heads, the connecting seat is fixedly connected with the telescopic end of the electric telescopic rod, the transfer box is fixedly connected with the upper surface of the connecting seat, the transfer box is communicated with a liquid outlet end of the water pump through a hose, the two U-shaped frames are symmetrically arranged on the connecting seat, the water pipes are symmetrically arranged on the two U-shaped frames and communicated with the transfer box, and the side walls of the water pipes are uniformly provided with the spray heads.

In some embodiments of the utility model, the spraying assembly further comprises a servo motor, a transmission rod and a driving rod, the servo motor is fixedly installed on any one of the two U-shaped frames, the transmission rod is rotatably installed on the two U-shaped frames, the transmission rod is coaxially and fixedly connected with an output shaft of the servo motor, the driving rods are uniformly arranged on the U-shaped frames, the top ends of the driving rods are fixedly connected with driven gears, the side wall of the other end of each driving rod is fixedly connected with a plurality of wind blades, the transmission rod is provided with a plurality of driving gears meshed with the driven gears, a second belt wheel is sleeved on the transmission rod and positioned right below the first belt wheel, and the second belt wheel is in transmission connection with the first belt wheel through a belt.

In some embodiments of the utility model, a guide rod is fixedly connected to one end of the U-shaped frame away from the connecting seat, and one end of the guide rod is inserted into a through hole formed in the supporting beam.

In some embodiments of the present invention, a plurality of electric heating net plates are disposed inside the transfer box, and a temperature controller is fixedly mounted on a side wall of the transfer box, and the temperature controller is electrically connected to the plurality of electric heating net plates.

The embodiment of the utility model at least has the following advantages or beneficial effects:

1. through setting up liquid medicine mixing assembly, spraying the fertilization to the big-arch shelter, perhaps when spraying insecticide, drive the puddler through the axis of rotation and carry out the intensive mixing to the liquid medicine in the mixing box for fertilize and irrigate, it is more even to spray insecticide.

2. Spraying mechanism power component and spraying assembly cooperation, drawing the liquid medicine in the mixing box to spraying the subassembly through power component and spraying, when spraying, drive the transfer line through servo motor and rotate, through driving gear and driven gear meshing transmission, drive actuating lever drive fan blade and rotate, blow the liquid medicine that sprays to the crop in the big-arch shelter, reduce the loss of liquid medicine at the control, it is extravagant to reduce the liquid medicine.

3. Through set up electrical heating otter board and temperature controller in the transfer case, control the temperature of the liquid medicine that sprays, be convenient for spray the liquid medicine of suitable temperature to foster the plant, the temperature difference that reduces the liquid medicine is to fostering the amazing of plant, foster plant growth in the big-arch shelter of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a spraying device for an agricultural greenhouse according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a power assembly provided in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a spray assembly according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of a shown in fig. 1.

Reference numerals:

1. a greenhouse main body; 2. a slide rail; 3. a support beam; 4. a drive assembly; 41. a rack plate; 42. a drive motor; 43. a spur gear; 5. a liquid medicine mixing component; 51. a mixing box; 511. a hoisting ring; 52. a rotating shaft; 521. a first belt wheel; 53. a stirring rod; 54. a linear guide rail; 55. a slider; 56. a wire rope; 6. an electric telescopic rod; 7. a spraying mechanism; 71. a power assembly; 711. a water pump; 712. a three-way pipe; 713. a filter screen; 72. a spray assembly; 721. a connecting seat; 722. a U-shaped frame; 7221. a guide bar; 723. a transfer box; 7231. electrically heating the screen plate; 7232. a temperature controller; 724. a water pipe; 725. a spray head; 726. a servo motor; 727. a transmission rod; 7271. a driving gear; 7272. a second belt wheel; 728. a drive rod; 7281. a driven gear; 7282. a wind blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "vertical", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to 4, a spraying device for a greenhouse for agriculture includes: big-arch shelter main part 1, liquid medicine mixed subassembly 5 and spraying mechanism 7, fixed mounting has slide rail 2 on the lateral wall of 1 both ends of big-arch shelter main part, sliding connection has a supporting beam 3 on two slide rails 2, it has the drive assembly 4 that is used for driving a supporting beam 3 and removes to establish the symmetry on a supporting beam 3, supporting beam 3 middle part fixed mounting has electric telescopic handle 6, electric telescopic handle 6 is equipped with two, and be used for holding the stirring and water the liquid medicine mixed subassembly 5 fixed mounting of liquid medicine that waters and be used for the big-arch shelter to spray on a supporting beam 3 and set up the below with a supporting beam 3 in spraying mechanism 7 that is used for the big-arch shelter to spray based on a supporting beam 3 symmetry, and spraying mechanism 7 includes power component 71 and sprays component 72, power component 71 fixed mounting is on a supporting beam 3, spray component 72 set up with a supporting beam 3 down and with electric telescopic handle 6's flexible end fixed connection.

Need to explain: during the use, place pesticide or chemical fertilizer in liquid medicine mixing assembly 5, then pump the liquid medicine in with liquid medicine mixing assembly 5 through spraying mechanism 7 and send the nourishment thing in the big-arch shelter to spray, during spraying, remove through 4 drive assembly supporting beam 3 slide rail 2 in big-arch shelter main part 1 of drive assembly to spray the operation automatically, the operator need not get into and sprays in the big-arch shelter, only need external control can be with

Referring to fig. 1 and 4, the driving assembly 4 includes a rack plate 41, a driving motor 42 and a spur gear 43, the rack plate 41 is fixedly installed on the slide rail 2, the driving motor 42 is fixedly installed on the support beam 3, the spur gear 43 is sleeved on an output shaft of the driving motor 42, and the spur gear 43 is engaged with the rack plate 41.

Need to explain: when the driving assembly 4 is used, the driving motors 42 on the two sides of the supporting beam 3 are simultaneously started, the driving motors 42 drive the straight gears 43 to rotate, and the straight gears 43 are meshed through the rack plates 41 to drive the supporting beam 3 to move on the sliding rail 2.

Referring to fig. 1, the liquid medicine mixing assembly 5 includes two mixing tanks 51, a rotating shaft 52 and a plurality of stirring rods 53, wherein the two mixing tanks 51 are symmetrically disposed on the support beam 3, the rotating shaft 52 is rotatably installed in the two mixing tanks 51, and the rotating shaft 52 extends into the two mixing tanks 51 and is fixedly installed with the plurality of stirring rods 53.

Need to explain: the liquid medicine mixing assembly 5 is used for placing pesticides or chemical fertilizers in the mixing box 51, the rotating shaft 52 drives the stirring rod 53 to rotate, and liquid medicine in the mixing box 51 is continuously stirred, so that the liquid medicine is kept uniform without precipitation, and the sprayed liquid medicine is uniform.

Referring to fig. 3, lifting rings 511 are fixedly mounted on the upper surfaces of the two mixing boxes 51, a linear guide 54 is fixedly mounted at the top end of the greenhouse main body 1 on the support beam 3, a sliding block 55 is slidably connected on the linear guide 54, a steel cable 56 is tied on the sliding block 55, and the other end of the steel cable 56 is tied with the lifting rings 511.

Need to explain: with the arrangement, when the mixing box 51 slides along with the support beam 3, the mixing box 51 drives the sliding block 55 to synchronously slide on the linear guide rail 54 through the lifting ring 511 and the steel cable 56, so that the mixing box 51 filled with the liquid medicine is lifted in an auxiliary manner, and the support weight of the support beam 3 is reduced.

Referring to fig. 1, a first pulley 521 is sleeved on the rotating shaft 52 between the two mixing boxes 51, and the first pulley 521 is in linkage fit with the spraying assembly 72.

Need to explain: so set up, axis of rotation 52 rotates through linking with spraying subassembly 72, need not to arrange in addition power component, reduces energy output for the device is more environmental protection.

Referring to fig. 1 and 2, the power assembly 71 includes a water pump 711, a three-way pipe 712 and a filter screen 713, the water pump 711 is fixedly installed on the support beam 3, a liquid inlet end of the water pump 711 is communicated with one end of the three-way pipe 712, the other two connection ends of the three-way pipe 712 are respectively inserted into the mixing boxes 51 at two sides of the water pump 711, and the filter screen 713 is fixedly installed at each of the other two connection ends of the three-way pipe 712.

Need to explain: when the power assembly 71 is used, the liquid medicine in the mixing tank 51 is pumped out of the mixing tank 51 through the three-way pipe 712 by the water pump 711, and then is conveyed to the spraying assembly 72 from the liquid outlet end of the water pump 711 for spraying, and impurities in the mixing tank 51 can be prevented from entering the water pump 711 by the arrangement of the filter screen 713.

Referring to fig. 1 and 3, the spraying assembly 72 includes a connecting seat 721, U-shaped frames 722, a transfer box 723, a water pipe 724, and a spray head 725, the connecting seat 721 is fixedly connected to the telescopic end of the electric telescopic rod 6, the upper surface of the connecting seat 721 is fixedly connected to the transfer box 723, the transfer box 723 is communicated with the liquid outlet end of the water pump 711 through a hose, the two U-shaped frames 722 are symmetrically disposed on the connecting seat 721, the two U-shaped frames 722 are symmetrically provided with the water pipe 724, the water pipe 724 is communicated with the transfer box 723, and the side wall of the water pipe 724 is uniformly provided with the plurality of spray heads 725.

Need to explain: when the spraying assembly 72 is used, the water pump 711 pumps the liquid medicine into the transit box 723, and the liquid medicine is conveyed into the water pipe 724 and sprayed through the spray head 725, and the spray head 725 is an atomizing nozzle, so that the impact of water flow on the plants during spraying is reduced.

Referring to fig. 1 and 3, the spraying assembly 72 further includes a servo motor 726, a transmission rod 727 and a driving rod 728, the servo motor 726 is fixedly mounted on any one of the U-shaped frames 722, the transmission rod 727 is rotatably mounted on the two U-shaped frames 722, the transmission rod 727 is coaxially and fixedly connected with an output shaft of the servo motor 726, the plurality of driving rods 728 are uniformly arranged on the U-shaped frames 722, top ends of the plurality of driving rods 728 are fixedly connected with driven gears 7281, side walls of the other ends of the driving rods 728 are fixedly connected with a plurality of wind blades 7282, a plurality of driving gears 7271 meshed with the driven gears 7281 are mounted on the transmission rod 727, belt wheel two 7272 are sleeved under the belt wheel one 521 on the transmission rod 727, and the belt wheel two 7272 are in transmission connection with the belt wheel one 521.

Need to explain: when spraying, start servo motor 726, servo motor 726 drives the transfer line 727 and rotates, and the transfer line 727 drives actuating lever 728 through driving gear 7271 and driven gear 7281 meshing and rotates, and actuating lever 728 drive wind blade 7282 rotates, and the plant that raises that the liquid medicine that will spray blows below reduces the liquid medicine and looses in the air, can contact fast and spray to raising the plant on, simultaneously, drive two 7272 rotations of band pulley, drive the rotation of band pulley 521 through the belt to drive axis of rotation 52 and rotate, stir mixing box 51.

Referring to fig. 1 and 3, a guide rod 7221 is fixedly connected to an end of the U-shaped frame 722 away from the connecting seat 721, and one end of the guide rod 7221 is inserted into a through hole formed in the support beam 3.

Need to explain: thus, when the electric telescopic rod 6 pushes the connecting seat 721 to move, and the driving assembly 4 drives the supporting beam 3 to move, when the spraying mechanism 7 works, the guide rod 7221 can keep the U-shaped frame 722 stable, so that the swinging is reduced, and the stable spraying operation is facilitated.

Referring to fig. 2, a plurality of electric heating screens 7231 are disposed inside the middle-rotating box 723, a temperature controller 7232 is fixedly mounted on a sidewall of the middle-rotating box 723, and the temperature controller 7232 is electrically connected to the plurality of electric heating screens 7231.

Need to explain: therefore, when the temperature difference between the water temperature and the inner chamber of the greenhouse is large, the temperature controller 7232 controls the electric heating screen plate 7231 to work to heat the liquid medicine in the transit box 723 to the temperature same as the room temperature of the greenhouse, so that the liquid medicine with the proper temperature can be conveniently sprayed into the plants, the stimulation to the plants is reduced, and the plants can be conveniently absorbed.

The working principle of the agricultural greenhouse spraying device is as follows:

when the device is used, pesticide or chemical fertilizer and water are placed in the mixing box 51, then the servo motor 726 is started, the servo motor 726 drives the transmission rod 727 to rotate, the belt wheel two 7272 is driven to rotate by the belt, the belt wheel one 521 is driven to rotate by the belt, the rotating shaft 52 is driven to rotate, the mixing box 51 is stirred, after stirring, the water pump 711 is started, the liquid medicine in the mixing box 51 is pumped out of the mixing box 51 through the three-way pipe 712 by the water pump 711, and is conveyed into the transit box 723 through the liquid outlet end of the water pump 711, and is sprayed into the water pipe 724 through the spray head 725, meanwhile, the transmission rod 727 drives the driving rod 728 to rotate through the meshing of the driving gear 7271 and the driven gear 7281, the driving rod 728 drives the wind blades 7282 to rotate, the sprayed liquid medicine is blown to the cultivated plants below, the escape of the liquid medicine in the air is reduced, the liquid medicine can be quickly sprayed onto the cultivated plants in contact with each other, and then the driving motors 42 on the two sides of the supporting beam 3 are started simultaneously, the driving motor 42 drives the straight gear 43 to rotate, the straight gear 43 is meshed through the rack plate 41, the supporting beam 3 is driven to move on the sliding rail 2, and the plant cultivation materials in the greenhouse are automatically sprayed.

Further, spraying assembly 72 can adjust the distance with the interior foster plant of big-arch shelter main part 1 through electric telescopic handle 6, is convenient for more press close to foster plant and sprays, and transfer case 723 passes through temperature controller 7232 control electric heating otter board 7231 work and heats the liquid medicine temperature in the transfer case 723 to with big-arch shelter room temperature the same, is convenient for spray the liquid medicine of suitable temperature to foster plant in, reduces the stimulation to foster plant, is convenient for foster plant and absorbs.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A greenhouse sprinkler for agriculture, comprising:

the greenhouse comprises a greenhouse main body (1), slide rails (2) are fixedly mounted on the side walls of two ends of the greenhouse main body (1), two slide rails (2) are connected with a supporting beam (3) in a sliding mode, driving assemblies (4) used for driving the supporting beam (3) to move are symmetrically arranged on the supporting beam (3), electric telescopic rods (6) are fixedly mounted in the middle of the supporting beam (3), and the two electric telescopic rods (6) are symmetrically arranged based on the supporting beam (3);

it is characterized by also comprising:

the liquid medicine mixing component (5) is used for containing liquid medicine for stirring and irrigating, and the liquid medicine mixing component (5) is fixedly arranged on the supporting beam (3);

spraying mechanism (7) for the big-arch shelter sprays spraying mechanism (7) set up in the below of a supporting beam (3), and spraying mechanism (7) include power component (71) and spray subassembly (72), power component (71) fixed mounting is on a supporting beam (3), spray subassembly (72) set up in the below of a supporting beam (3) and with the flexible end fixed connection of electric telescopic handle (6).

2. The greenhouse spraying device for agriculture as claimed in claim 1, wherein the driving assembly (4) comprises a rack plate (41), a driving motor (42) and a spur gear (43), the rack plate (41) is fixedly mounted on the slide rail (2), the driving motor (42) is fixedly mounted on the support beam (3), the output shaft of the driving motor (42) is sleeved with the spur gear (43), and the spur gear (43) is meshed with the rack plate (41).

3. The agricultural greenhouse sprinkler as claimed in claim 1, wherein the chemical mixing assembly (5) comprises two mixing boxes (51), a rotating shaft (52) and a stirring rod (53), the two mixing boxes (51) are symmetrically arranged on the supporting beam (3), the rotating shaft (52) is rotatably installed in the two mixing boxes (51), and the rotating shaft (52) extends into the two mixing boxes (51) and is fixedly installed with a plurality of stirring rods (53).

4. The agricultural greenhouse spraying device as claimed in claim 3, wherein lifting rings (511) are fixedly mounted on the upper surfaces of the two mixing boxes (51), a linear guide rail (54) is fixedly mounted at the top end of the greenhouse main body (1) on the supporting beam (3), a sliding block (55) is connected onto the linear guide rail (54) in a sliding manner, a steel cable rope (56) is tied on the sliding block (55), and the other end of the steel cable rope (56) is tied with the lifting rings (511).

5. The agricultural greenhouse sprinkler as claimed in claim 3, wherein a first belt wheel (521) is sleeved on the rotating shaft (52) between the two mixing boxes (51), and the first belt wheel (521) is in linkage fit with the sprinkler assembly (72).

6. The agricultural greenhouse sprinkler as claimed in claim 1, wherein the power assembly (71) comprises a water pump (711), a three-way pipe (712) and a filter screen (713), the water pump (711) is fixedly installed on the support beam (3), the liquid inlet end of the water pump (711) is communicated with one end of the three-way pipe (712), the other two connecting ends of the three-way pipe (712) are respectively inserted into the mixing boxes (51) at the two sides of the water pump (711), and the filter screen (713) is fixedly installed at each of the other two connecting ends of the three-way pipe (712).

7. The agricultural greenhouse spraying device as claimed in claim 1, wherein the spraying assembly (72) comprises a connecting base (721), U-shaped frames (722), a transit box (723), water pipes (724) and spray heads (725), the connecting base (721) is fixedly connected with the telescopic end of the electric telescopic rod (6), the upper surface of the connecting base (721) is fixedly connected with the transit box (723), the transit box (723) is communicated with the liquid outlet end of the water pump (711) through a hose, the two U-shaped frames (722) are symmetrically arranged on the connecting base (721), the two U-shaped frames (722) are symmetrically provided with the water pipes (724), the water pipes (724) are communicated with the transit box (723), and the side walls of the water pipes (724) are uniformly provided with the spray heads (725).

8. The agricultural greenhouse spraying device as claimed in claim 7, wherein the spraying assembly (72) further comprises a servo motor (726), a transmission rod (727) and a driving rod (728), the servo motor (726) is fixedly mounted on any one U-shaped frame (722), the transmission rod (727) is rotatably mounted on the two U-shaped frames (722), the transmission rod (727) is coaxially and fixedly connected with the output shaft of the servo motor (726), the plurality of driving rods (728) are uniformly arranged on the U-shaped frames (722), the top ends of the plurality of driving rods (728) are fixedly connected with driven gears (7281), the side wall of the other end of each driving rod (728) is fixedly connected with a plurality of wind blades (7282), the transmission rod (727) is provided with a plurality of driving gears (7271) meshed with the driven gears (7281), and the transmission rod (727) is sleeved with a belt wheel II (7272) under the belt wheel I (521), the second belt wheel (7272) is in transmission connection with the first belt wheel (521) through a belt.

9. The agricultural greenhouse spraying device as claimed in claim 7, wherein one end of the U-shaped frame (722) far away from the connecting seat (721) is fixedly connected with a guide rod (7221), and one end of the guide rod (7221) is inserted into a through hole formed in the supporting beam (3).

10. The agricultural greenhouse spraying device as claimed in claim 7, wherein a plurality of electric heating net plates (7231) are arranged inside the transit box (723), a temperature controller (7232) is fixedly mounted on the side wall of the transit box (723), and the temperature controller (7232) and the plurality of electric heating net plates (7231) are electrically connected.