CN112544195A

CN112544195A - Venturi fertilizer applicator

Info

Publication number: CN112544195A
Application number: CN202011420635.9A
Authority: CN
Inventors: 何秀英; 员宝会
Original assignee: Hainan Longbao Agricultural Equipment Co ltd
Current assignee: Tianjin Green View Energy Conservation Project Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-26
Anticipated expiration: 2040-12-07
Also published as: CN112544195B

Abstract

The invention discloses a Venturi fertilizer applicator which comprises a base, wherein a water tank, a box body and a pesticide box are mounted on the base, a Venturi device is arranged in the box body, a water pump is mounted at the upper end of the water tank, the water outlet end of the water pump is connected with the Venturi device, the pesticide box is connected with the Venturi device through a conveying pipe, four mounting blocks which are distributed in a rectangular shape are fixedly connected to the bottom of the base, two transversely opposite mounting blocks jointly penetrate through a rotating rod which is rotatably connected with the mounting blocks, rollers are mounted at two ends of the two rotating rods, and a servo motor is mounted in the box body. The device has a reasonable structure, can move the base and the box body, is convenient for workers to push the base to move, brings convenience to the workers, can also enable the spray head to simulate the swing of an artificial arm to realize the uniform irrigation of plants, and can effectively mix water and fertilizer through the Venturi device to improve the utilization rate of the water and fertilizer.

Description

Venturi fertilizer applicator

Technical Field

The invention relates to the technical field of agricultural irrigation equipment, in particular to a Venturi fertilizer applicator.

Background

The venturi fertilizer applicator consists of a contraction section, a diffusion section, a throat part, a suction pipe and other parts, and by utilizing the principle of the venturi pipe, along with the gradual reduction of the pipe diameter of the contraction section, the speed of working fluid of the venturi pipe is gradually increased, and the pressure of the working fluid is gradually reduced until negative pressure appears at the minimum section, namely near the throat part, under the action of pressure difference, fertilizer liquid prepared in advance is sucked through a fertilizer suction hose connected with the throat part, and the fertilizer liquid is mixed with the working fluid and then enters the diffusion section and a downstream pressure pipeline.

In the prior art, the venturi device is widely applied to water and fertilizer integrated irrigation due to the advantages of low manufacturing cost, simplicity in operation, no need of external power and the like, but the traditional venturi fertilizer applicator is low in water and fertilizer utilization efficiency due to uneven mixing of water and fertilizer and seriously affects the use effect, so that the venturi fertilizer applicator is designed to solve the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a Venturi fertilizer applicator which not only can move a base and a box body to facilitate the movement of a worker pushing the base and bring convenience to the worker, but also can enable a spray head to simulate the swing of an artificial arm to realize the uniform irrigation of plants, and meanwhile, can effectively mix water and fertilizer through a Venturi device to improve the utilization rate of the water and fertilizer.

In order to achieve the purpose, the invention adopts the following technical scheme:

a Venturi fertilizer applicator comprises a base, wherein a water tank, a box body and a pesticide box are mounted on the base, a Venturi device is arranged in the box body, a water pump is mounted at the upper end of the water tank, the water outlet end of the water pump is connected with the Venturi device, the pesticide box is connected with the Venturi device through a conveying pipe, four mounting blocks which are distributed in a rectangular shape are fixedly connected to the bottom of the base, two transversely opposite mounting blocks jointly penetrate through a rotating rod which is connected with the mounting blocks in a rotating manner, rollers are mounted at two ends of the two rotating rods, a servo motor is mounted in the box body, a long rod is fixedly connected to the output end of the servo motor, a first transmission mechanism is arranged between the long rod and one of the rotating rods, a communicating groove is formed in the rear side of the box body in a penetrating manner, a connecting pipe is rotatably connected, the connecting pipe is connected with the Venturi device, and a second transmission mechanism is arranged between the connecting pipe and the long rod.

Preferably, the venturi device includes the inlet tube, the pressure regulating pipe of the one end installation intercommunication of inlet tube, install the governing valve on the pressure regulating pipe, communicating first water pipe and second water pipe are installed to branch on the pressure regulating pipe, first water pipe and second water pipe are located the both sides of governing valve, be connected with venturi between first water pipe and the second water pipe, be connected with into the pencil on the venturi, the third water pipe is installed to the other end of pressure regulating pipe, install the hollow tube rather than the intercommunication on the third water pipe, the discharge pipe is installed to the downside of hollow tube, be equipped with liquid medicine mixing mechanism between hollow tube and the discharge pipe.

Preferably, liquid medicine mixing mechanism is including fixing first dead lever and the second dead lever on the discharge tube inner wall, first dead lever and second dead lever run through jointly and are equipped with rather than rotate the round bar of being connected, a plurality of propeller blade of fixedly connected with on the round bar, the upper end fixedly connected with drum of round bar, the open end and the third water pipe of drum are just relative, just run through on the drum and be equipped with a plurality of through-holes, a plurality of stirring rods of outer wall fixedly connected with of drum.

Preferably, the water inlet pipe is connected with the water outlet end of the water pump, the medicine inlet pipe is connected with the conveying pipe, and the discharge pipe is connected with the connecting pipe.

Preferably, the first transmission mechanism comprises a first gear wheel installed on the rotating rod, the other end of the long rod is fixedly connected with a second gear wheel, and the first gear wheel is meshed with the second gear wheel.

Preferably, the base and the box body are provided with a communicating groove in a penetrating mode, and the second gear is arranged in a penetrating mode through the communicating groove.

Preferably, second drive mechanism is including fixing the first bevel gear on the dwang, install the montant of rotating the connection in the box, the bottom fixedly connected with second bevel gear of montant, second bevel gear and first bevel gear mesh mutually, the upper end fixedly connected with disc of montant, the eccentric articulated transfer line that has in upper end of disc, the other end of transfer line is connected with the upper end of connecting pipe is articulated.

Preferably, the inner wall of the box body is provided with a support plate, and the vertical rod penetrates through the support plate and is rotatably connected with the support plate.

Preferably, install a piston section of thick bamboo on the box, sliding connection has the piston in the piston section of thick bamboo, be equipped with low boiling liquid in piston and the piston section of thick bamboo, fixedly connected with piston rod on the piston, install the frequency modulator on the box, frequency modulator and servo motor electric connection, the piston rod is connected with the frequency modulator, can control servo motor pivoted frequency through adjusting the frequency modulator.

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

the servo motor rotates to drive the long rod to rotate, the long rod rotates to drive the first gear and the second gear to rotate, and the second gear rotates to drive the rotating rod to rotate, so that the roller can rotate, and the base and the box body can move; meanwhile, the long rod rotates to drive the first bevel gear and the second bevel gear to rotate, the second bevel gear rotates to drive the vertical rod to rotate, and further the disc is driven to rotate, the disc rotates to drive the transmission rod to rotate, so that the connecting pipe can swing left and right, the uniformly mixed water is conveyed into the connecting pipe and is sprayed out through the spray head, the plants can be irrigated, the connecting pipe which swings left and right can simulate the arms of a person to perform spray fertilization, and the plants can be effectively and uniformly fertilized;

when water flows into the hollow pipe through the third water pipe, the liquid medicine mixed liquid flows into the cylinder and leaks out through the through hole, the hollow pipe is filled with the liquid medicine mixed liquid and is discharged through the discharge pipe, when the liquid medicine is discharged through the discharge pipe, the helical blade rotates under the impact of the water so as to drive the round rod and the cylinder to rotate, the liquid medicine mixed liquid is thrown out through the through hole, the collision among the liquid medicines is increased, the liquid medicine mixed liquid can be stirred again through the stirring rod, the liquid medicine is mixed more uniformly, and the liquid medicine can be mixed again through the helical blade, so that the liquid medicine is mixed more uniformly;

when the environmental temperature rises, the low-boiling-point liquid is heated to expand, so that the piston and the piston rod are pushed to move, the piston rod moves to push the adjusting end of the frequency modulator to move, the rotating frequency of the servo motor can be reduced, the swinging frequency of the spray head is increased, and the irrigation quantity of vegetables can be increased; when the temperature is low, then low boiling liquid shrink, then the servo motor rotational speed increases to can reduce irrigation volume, the water manure mixture of utilization that can be reasonable, fertigation is more reasonable.

In conclusion, the device has a reasonable structure, the base and the box body can move, so that workers can push the base to move conveniently, the convenience is brought to the workers, meanwhile, the spray head can simulate the swing of an artificial arm, the uniform irrigation on plants is realized, meanwhile, water and fertilizer can be effectively mixed through the Venturi device, and the utilization rate of the water and fertilizer is improved.

Drawings

FIG. 1 is a schematic structural diagram of a Venturi device in a Venturi fertilizer applicator provided in example 1;

FIG. 2 is a schematic structural view of a Venturi fertilizer applicator provided in embodiment 1;

FIG. 3 is a schematic structural view of the point A in the Venturi fertilizer applicator provided in example 1;

FIG. 4 is a partial structural top view of a box body in the Venturi fertilizer applicator provided in embodiment 1;

FIG. 5 is a side view of a partial structure of a Venturi fertilizer applicator according to example 1;

fig. 6 is a schematic structural diagram of a venturi device in the venturi fertilizer applicator provided in embodiment 2.

In the figure: the device comprises a base 1, a mounting block 2, a rotating rod 3, a first gear 4, a second gear 5, a roller 6, a water tank 7, a water inlet pipe 8, a box body 9, a conveying pipe 10, a medicine box 11, a water pump 12, a pressure regulating pipe 13, a regulating valve 14, a first water pipe 15, a Venturi tube 16, a medicine inlet pipe 17, a second water pipe 18, a third water pipe 19, a discharge pipe 20, a hollow pipe 21, a connecting pipe 22, a round rod 23, a screw blade 24, a first fixing rod 25, a second fixing rod 26, a cylinder 27, a stirring rod 28, a through hole 29, a servo motor 30, a long rod 31, a vertical rod 32, a round disk 33, a second bevel gear 34, a first bevel gear 35, a through groove 36, a nozzle 37, a transmission rod 38, a piston cylinder 39, a low-boiling-point liquid.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1-5, a venturi fertilizer applicator comprises a base 1, a water tank 7, a box body 9 and a pesticide box 11 are mounted on the base 1, a venturi device is arranged in the box body 9, the venturi device comprises a water inlet pipe 8, a pressure regulating pipe 13 is mounted and communicated with one end of the water inlet pipe 8, a regulating valve 14 is mounted on the pressure regulating pipe 13, a first water pipe 15 and a second water pipe 18 which are communicated with each other are mounted on the pressure regulating pipe 13 in a branching manner, the first water pipe 15 and the second water pipe 18 are positioned on two sides of the regulating valve 14, a venturi tube 16 is connected between the first water pipe 15 and the second water pipe 18, a pesticide inlet pipe 17 is connected onto the venturi tube 16, a third water pipe 19 is mounted on the other end of the pressure regulating pipe 13, a hollow pipe 21 communicated with the third water pipe 19 is mounted on the hollow pipe 21, a discharge pipe 20 is mounted on the lower side of the hollow pipe 21, the discharge pipe 20 is connected to a connection pipe 22.

Be equipped with liquid medicine mixing mechanism between hollow tube 21 and discharge tube 20, liquid medicine mixing mechanism is including fixing first dead lever 25 and second dead lever 26 on discharge tube 20 inner wall, first dead lever 25 and second dead lever 26 run through jointly and be equipped with rather than rotate the round bar 23 of being connected, a plurality of propeller blades of fixedly connected with 24 on the round bar 23, the upper end fixedly connected with drum 27 of round bar 23, the open end and the third water pipe 19 of drum 27 are just relative, and run through on the drum 27 and be equipped with a plurality of through-holes 29, a plurality of stirring rods 28 of outer wall fixedly connected with of drum 27.

Specifically, in water flows to hollow tube 21 through third water pipe 19, liquid medicine mixed liquor flows to drum 27 in, spill through-hole 29, finally be full of hollow tube 21 and discharge through discharge pipe 20, when liquid medicine passes through discharge pipe 20 and discharges, under the impact of water, propeller blade 24 rotates, thereby drive round bar 23 and drum 27 and rotate, final liquid medicine mixed liquor throws away through-hole 29, increase the collision between the liquid medicine, then can stir liquid medicine mixed liquor once more through stirring rod 28, make liquid medicine mix more evenly.

The upper end of the water tank 7 is provided with a water pump 12, the water outlet end of the water pump 12 is connected with a Venturi device, the medicine box 11 is connected with the Venturi device through a conveying pipe 10, the bottom of the base 1 is fixedly connected with four mounting blocks 2 which are distributed in a rectangular shape, two transversely opposite mounting blocks 2 are provided with rotating rods 3 which are in rotating connection with the mounting blocks in a penetrating mode together, two ends of each rotating rod 3 are provided with idler wheels 6, and the base 1 is convenient to move through the idler wheels 6; specifically, servo motor 30 rotates and drives stock 31 and rotate, and stock 31 rotates and drives first gear 4 and second gear 5 and rotate, and second gear 5 rotates and drives dwang 3 and rotate to can realize that gyro wheel 6 rotates, thereby can realize that base 1 and box 9 remove.

Install servo motor 30 in the box 9, servo motor 30's output fixedly connected with stock 31, be equipped with first drive mechanism between stock 31 and one of them dwang 3, first drive mechanism is including installing first gear 4 on dwang 3, stock 31's other end fixedly connected with second gear 5, first gear 4 and the meshing of second gear 5 mutually, base 1 and box 9 run through jointly and are equipped with the intercommunication groove, second gear 5 runs through the intercommunication groove setting.

The rear side of the box body 9 is provided with a through groove 36 in a penetrating manner, the connecting pipe 22 is rotatably connected in the through groove 36, one end, located outside the box body 9, of the connecting pipe 22 is provided with a spray head 37, the connecting pipe 22 is connected with a Venturi device, a second transmission mechanism is arranged between the connecting pipe 22 and the long rod 31 and comprises a first bevel gear 35 fixed on the rotating rod 3, a vertical rod 32 in rotary connection is installed in the box body 9, the bottom of the vertical rod 32 is fixedly connected with a second bevel gear 34, the second bevel gear 34 is meshed with the first bevel gear 35, the upper end of the vertical rod 32 is fixedly connected with a disc 33, the upper end of the disc 33 is eccentrically hinged with a transmission rod 38, the other end of the transmission rod 38 is hinged with the upper end of the connecting pipe 22, a support plate is arranged on the inner wall of.

Specifically, the long rod 31 rotates to drive the first bevel gear 35 and the second bevel gear 34 to rotate, the second bevel gear 34 rotates to drive the vertical rod 32 to rotate, and further drives the disc 33 to rotate, and the disc 33 rotates to drive the transmission rod 38 to rotate, so that the left and right swinging of the connection pipe 22 can be realized.

In the invention, when the water and fertilizer are applied to the plants, a worker starts the water pump 12 and the servo motor 30, the servo motor 30 rotates to drive the long rod 31 to rotate, the long rod 31 rotates to drive the first gear 4 and the second gear 5 to rotate, and the second gear 5 rotates to drive the rotating rod 3 to rotate, so that the roller 6 can rotate, and the base 1 and the box body 9 can move;

the long rod 31 rotates to drive the first bevel gear 35 and the second bevel gear 34 to rotate, the second bevel gear 34 rotates to drive the vertical rod 32 to rotate, and further drives the disc 33 to rotate, and the disc 33 rotates to drive the transmission rod 38 to rotate, so that the left and right swinging of the connecting pipe 22 can be realized;

when the water pump 12 works, water can be conveyed into the water inlet pipe 8 and finally flows into the third water pipe 19 through the pressure regulating pipe 13, and also flows into the third water pipe 19 through the first water pipe 15, the venturi tube 16 and the second water pipe 18, then a worker adjusts the regulating valve 14, and further can adjust the flow of the pressure regulating pipe 13, so that negative pressure is generated at the venturi tube 16, and liquid medicine in the medicine box 11 can enter the venturi tube 16 through the conveying pipe 10 and the medicine inlet pipe 17, and the mixing of the liquid medicine and the water is realized;

when water flows into the hollow tube 21 through the third water tube 19, the liquid medicine mixed liquid flows into the cylinder 27 and leaks out through the through hole 29, the hollow tube 21 is filled with the liquid medicine mixed liquid and is discharged through the discharge tube 20, when the liquid medicine is discharged through the discharge tube 20, the screw blade 24 rotates under the impact of the water, so that the round rod 23 and the cylinder 27 are driven to rotate, the liquid medicine mixed liquid is thrown out through the through hole 29 finally, the collision between the liquid medicines is increased, the liquid medicine mixed liquid can be stirred again through the stirring rod 28, so that the liquid medicine is mixed more uniformly, and the liquid medicine can be mixed again through the screw blade 24, so that the liquid medicine is mixed more uniformly;

the water of misce bene is carried in connecting pipe 22 and is located and spout through shower nozzle 37, so can irrigate the plant, and the arm that the connecting pipe 22 of horizontal hunting can imitate the people fertilize that sprays to can carry out effective even fertilization to the plant.

Example 2

Referring to fig. 6, the difference between this embodiment and embodiment 1 is that a piston cylinder 39 is installed on a box 9 in this embodiment, a piston 41 is connected in the piston cylinder 39 in a sliding manner, a low boiling point liquid 40 is provided in the piston 41 and the piston cylinder 39, the low boiling point liquid 40 is dichloromethane or kerosene; the piston 41 is fixedly connected with a piston rod 42, the box body 9 is provided with a frequency modulator 43, the frequency modulator 43 is electrically connected with the servo motor 30, the piston rod 42 is connected with the frequency modulator 43, and the rotating frequency of the servo motor 30 can be controlled by adjusting the frequency modulator 43.

In this embodiment, when the ambient temperature rises, the low boiling point liquid 40 expands due to heating, so as to push the piston 41 and the piston rod 42 to move, and the piston rod 42 moves to push the adjusting end of the frequency modulator 43 to move, so as to reduce the rotation frequency of the servo motor 30, so as to increase the swinging frequency of the spray head 37, thereby increasing the irrigation amount to vegetables; when the temperature is low, then low boiling point liquid 40 shrink, then servo motor 30 rotational speed increases to can reduce the irrigation volume, the water manure mixture of utilization that can be reasonable, fertigation is more reasonable.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The Venturi fertilizer applicator comprises a base (1) and is characterized in that a water tank (7), a box body (9) and a medicine box (11) are mounted on the base (1), a Venturi device is arranged in the box body (9), a water pump (12) is mounted at the upper end of the water tank (7), the water outlet end of the water pump (12) is connected with the Venturi device, the medicine box (11) is connected with the Venturi device through a conveying pipe (10), four mounting blocks (2) which are distributed in a rectangular shape are fixedly connected to the bottom of the base (1), two transversely opposite mounting blocks (2) jointly penetrate through a rotating rod (3) which is rotatably connected with the mounting blocks, rollers (6) are mounted at two ends of the rotating rod (3), a servo motor (30) is mounted in the box body (9), and a long rod (31) is fixedly connected to the output end of the servo motor (30), be equipped with first drive mechanism between stock (31) and one of them dwang (3), the rear side of box (9) runs through and is equipped with logical groove (36), it is connected with connecting pipe (22) to lead to groove (36) internal rotation, shower nozzle (37) are installed to the outside one end that connecting pipe (22) are located box (9), connecting pipe (22) are connected with the venturi device, be equipped with second drive mechanism between connecting pipe (22) and stock (31).

2. The Venturi fertilizer applicator according to claim 1, characterized in that the Venturi device comprises a water inlet pipe (8), a communicating pressure regulating pipe (13) is installed at one end of the water inlet pipe (8), a regulating valve (14) is installed on the pressure regulating pipe (13), a first water pipe (15) and a second water pipe (18) which are communicated with each other are installed on the pressure regulating pipe (13) in a branched manner, the first water pipe (15) and the second water pipe (18) are located on two sides of the regulating valve (14), a Venturi pipe (16) is connected between the first water pipe (15) and the second water pipe (18), a pesticide inlet pipe (17) is connected onto the Venturi pipe (16), a third water pipe (19) is installed at the other end of the pressure regulating pipe (13), a hollow pipe (21) communicated with the third water pipe (19) is installed on the third water pipe (19), a discharge pipe (20) is installed on the lower side of the hollow pipe (21), a liquid medicine mixing mechanism is arranged between the hollow pipe (21) and the discharge pipe (20).

3. The venturi fertilizer applicator according to claim 2, wherein the liquid medicine mixing mechanism comprises a first fixing rod (25) and a second fixing rod (26) fixed on the inner wall of the discharge pipe (20), the first fixing rod (25) and the second fixing rod (26) are jointly penetrated by a round rod (23) rotatably connected with the first fixing rod, the round rod (23) is fixedly connected with a plurality of screw blades (24), the upper end of the round rod (23) is fixedly connected with a cylinder (27), the open end of the cylinder (27) is opposite to the third water pipe (19), the cylinder (27) is penetrated by a plurality of through holes (29), and the outer wall of the cylinder (27) is fixedly connected with a plurality of stirring rods (28).

4. The venturi fertilizer applicator of claim 3, wherein the water inlet pipe (8) is connected with the water outlet end of the water pump (12), the pesticide inlet pipe (17) is connected with the delivery pipe (10), and the discharge pipe (20) is connected with the connecting pipe (22).

5. The venturi fertilizer applicator according to claim 1, wherein the first transmission mechanism comprises a first gear (4) installed on the rotating rod (3), the other end of the long rod (31) is fixedly connected with a second gear (5), and the first gear (4) and the second gear (5) are meshed.

6. The Venturi fertilizer applicator according to claim 5, characterized in that the base (1) and the box body (9) are provided with a communicating groove in a penetrating way, and the second gear (5) is provided with a communicating groove in a penetrating way.

7. The venturi fertilizer applicator according to claim 1, wherein the second transmission mechanism comprises a first bevel gear (35) fixed on the rotating rod (3), a vertical rod (32) rotatably connected is installed in the box body (9), a second bevel gear (34) is fixedly connected to the bottom of the vertical rod (32), the second bevel gear (34) is meshed with the first bevel gear (35), a disc (33) is fixedly connected to the upper end of the vertical rod (32), a transmission rod (38) is eccentrically hinged to the upper end of the disc (33), and the other end of the transmission rod (38) is hinged to the upper end of the connecting pipe (22).

8. The venturi fertilizer applicator of claim 1, wherein the inner wall of the box body (9) is provided with a support plate, and the vertical rod (32) penetrates through the support plate and is rotatably connected with the support plate.

9. The venturi fertilizer applicator according to claim 1, wherein a piston cylinder (39) is installed on the box body (9), a piston (41) is slidably connected in the piston cylinder (39), a low boiling point liquid (40) is arranged in the piston (41) and the piston cylinder (39), a piston rod (42) is fixedly connected on the piston (41), a frequency modulator (43) is installed on the box body (9), the frequency modulator (43) is electrically connected with the servo motor (30), and the piston rod (42) is connected with the frequency modulator (43).