Two-phase flow spraying machine

Abstract

The utility model belongs to the technical field of agricultural plant protection, and particularly relates to a two-phase flow sprayer which comprises a walking vehicle body, a pesticide box, an air compression pump, a liquid pump and a reel pipe mechanism are mounted on the walking vehicle body, a lifting mechanism is mounted at the front end of the walking vehicle body, and a spraying mechanism is clamped on the lifting mechanism. A two-phase flow spray head is rotationally arranged above the spraying mechanism, the liquid outlet end of the liquid pump is led out through the pipe reeling mechanism through a liquid supply pipe and is in butt joint with the two-phase flow spray head, and the air compression pump is led out through the pipe reeling mechanism through an air pressure adjusting valve and an air pipe and is in butt joint with the two-phase flow spray head. According to the spraying mechanism, the auxiliary walking wheels are driven by the stepless motor to walk on the track; a gas-liquid two-phase pipeline is led out through rotation and pulling of the pipe coiling mechanism to be in butt joint with the two-phase flow spray head to achieve spraying of pesticide mist; two-phase flow spraying operation of human and pesticide separation can be achieved, the motor is used for driving the two-phase flow spray head to swing and adjust the angle, and spraying uniformity is facilitated; and a worker can conveniently use the equipment to apply pesticide and fertilizer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the agricultural plant protection technical field, concretely relates to a two-phase flow spraying machine. BACKGROUND

[0002] The facility cultivation area of our country is in the world first, wherein modernization, mechanization degree low sunlight greenhouse and plastic shed room account for 92% above, in the face of future agricultural production labor force reduction trend, seriously restricts the facility planting operation efficiency, and facility planting has four environmental conditions limit: first, environment is closed, high temperature and high humidity;Second, crop cultivation density is high, and the canopy is seriously blocked;Third, the working environment of the operator is poor, and walking is difficult;Fourth, the current facility planting is suitable for few machine types, and the degree of mechanization is low, and the performance of the machine is poor, which is not conducive to the mechanization of facility planting.

[0003] Corresponding to these adverse conditions, in the process of facility cultivation, plant protection operation also exists: disease and insect pests occur frequently, pesticide application is large, and pesticide residue is high;Pesticide utilization rate is low (20-30%), and pesticide is difficult to be uniformly and effectively deposited in the canopy;The operator is seriously polluted by pesticide;The atomization performance of the machine is poor, and so on. In order to solve the pain points in the process of facility planting mechanization, the two-phase flow spraying mode can effectively solve the problems of mist deposition and canopy blocking;But the traditional two-phase flow equipment is large in size, high in cost, and the spraying nozzle is integrally arranged with the equipment, and the spraying nozzle is very close to the operator, in the process of two-phase flow spraying, the medicine sprayed will affect the operator, which is not conducive to the popularization among farmers, therefore, a small two-phase flow spraying machine is designed. SUMMARY

[0004] In order to solve the problems in the background art, the utility model provides a two-phase flow spraying machine, the spraying mechanism walks on the track through the stepless motor drive auxiliary walking wheel;The medicine mist is realized by rotating the pipe winding mechanism to pull out the gas-liquid two-phase pipeline to butt joint the two-phase flow nozzle;The two-phase flow spraying operation of human and medicine separation can be realized, the angle swing adjustment of the two-phase flow nozzle is driven by the motor, which is beneficial to the uniformity of spraying;It is convenient for the staff to use the equipment to spray and fertilize.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a two-phase flow spraying machine, including walking car body, the walking car body is installed with medicine box, air compressor pump, liquid pump and electric control box, the liquid pump liquid inlet end is connected with the medicine box through the pipeline, the walking car body is also equipped with pipe winding mechanism, the lifting mechanism is installed on the walking car body front end, the spraying mechanism is clamped and arranged on the lifting mechanism, the two-phase flow nozzle is rotatably arranged above the spraying mechanism, the liquid outlet end of the liquid pump is connected with the two-phase flow nozzle through the pipe winding mechanism and the liquid supply pipe, the air compressor pump is provided with air pressure regulating valve, and the air compressor pump is connected with the two-phase flow nozzle through the air pressure regulating valve and the air pipe and the pipe winding mechanism.

[0006] As a preferred scheme, the spraying mechanism comprises a walking frame, auxiliary walking wheels are arranged at the bottom of both ends of the walking frame, a stepless motor is connected to one side of the auxiliary walking wheels, a second motor is arranged in the walking frame, a driving shaft of the second motor penetrates through the walking frame and is connected with a rotary mounting table arranged above the walking frame, a two-phase flow nozzle is arranged on the rotary mounting table through a mounting seat, a battery box and a wireless communication control box are further arranged in the walking frame, the battery box is electrically connected with the stepless motor and the second motor, the stepless motor and the second motor are wirelessly connected with the electric control box through the wireless communication control box, and a clamping rod is arranged at the bottom of the walking frame and is clamped on the lifting mechanism through the clamping rod.

[0007] As a preferred scheme, the lifting mechanism comprises an electric telescopic rod arranged on the front end of the walking vehicle body, a lifting plate is arranged at the telescopic end of the top of the electric telescopic rod, and sliding blocks are arranged at both ends of the lifting plate and slide on the sliding grooves of the front end stand of the walking vehicle body; a clamping groove is arranged above the lifting plate and is clamped with the clamping rod; and the electric telescopic rod is electrically connected with the electric control box.

[0008] As a preferred scheme, the front end of the walking vehicle body is provided with a driving wheel, an adjusting wheel is arranged on the rear end of the walking vehicle body, an adjusting wheel handle is arranged above the adjusting wheel, and a seat plate is further arranged on the rear end of the walking vehicle body.

[0009] As a preferred scheme, the air compression pump and the liquid pump are electrically connected with the electric control box.

[0010] As a preferred scheme, the spraying mechanism is arranged on the track through the auxiliary walking wheels.

[0011] Compared with the prior art, the spraying mechanism has the advantages that:

[0012] The spraying mechanism is detachably arranged on the lifting mechanism, the height position of the spraying mechanism is adjusted by the electric telescopic rod, the second motor is driven by the electric control box through the wireless communication control box to swing and adjust the left-right angle of the two-phase flow nozzle, so that the uniformity of the spraying range is more favorable, the liquid pump is controlled by the electric control box to extract the liquid medicine in the medicine box, the air compression pump adjusts the output air pressure through the air pressure adjusting valve, and the automatic spraying is realized by connecting the two-phase flow nozzle with the liquid supply pipe and the air pipe through the pipe winding mechanism; the spraying machine has small volume, low cost, good medicine spraying effect, and is beneficial to popularization among farmers.

[0013] The spraying mechanism is placed on the track preset above the planting area through the auxiliary walking wheel; the auxiliary walking wheel is driven to walk on the track through the stepless motor controlled by the electric control box, the gas-liquid two-phase pipeline is pulled out and connected to the two-phase flow nozzle through the rotation of the pipe winding mechanism to realize the pesticide spraying; the two-phase flow spraying operation of separating the person and the pesticide can be realized, the left and right angle swinging of the two-phase flow nozzle is adjusted through the second motor controlled by the electric control box through the wireless communication control box, so that the uniformity in the pesticide spraying range is more favorable; the staff can use the equipment to carry out pesticide application, fertilization and other operations. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of the spraying mechanism after being disassembled in the utility model;

[0016] Figure 3 It is an implementation structure schematic view of the spraying mechanism in the utility model;

[0017] Figure 4 It is a front view structure schematic view of the spraying mechanism in the utility model;

[0018] Figure 5 It is a structure schematic view of another embodiment of the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS:

[0020] 1, walking car body; 11, drive wheel; 12, adjust wheel; 13, adjust wheel handle; 14, seat plate; 15, stand column; 16, sliding groove;

[0021] 2, medicine box;

[0022] 3, air compression pump; 31, air pressure regulating valve; 32, air pipe;

[0023] 4, liquid pump; 41, liquid supply pipe;

[0024] 5, pipe winding mechanism;

[0025] 6, lifting mechanism; 61, electric telescopic rod; 62, sliding block; 63, clamping groove; 64, lifting plate;

[0026] 7, spraying mechanism; 71, walking frame; 72, second motor; 73, rotary mounting table; 74, mounting seat; 75, auxiliary walking wheel; 76, battery box; 77, clamping rod; 78, stepless motor; 79, wireless communication control box;

[0027] 8, two-phase flow nozzle;

[0028] 10, electric control box; 20, track. DETAILED DESCRIPTION

[0029] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and cannot be understood as limiting the present application.

[0030] Embodiment 1

[0031] Please refer to Figures 1-4 The utility model provides the following technical scheme: a two-phase flow spraying machine, including walking car body 1, walking car body 1 is installed with medicine box 2, air compressor pump 3, liquid pump 4 and electric control box 10, liquid pump 4 liquid inlet end is connected with medicine box 2 through pipeline, still be equipped with pipe winding mechanism 5 on walking car body 1, walking car body 1 front end is installed with lifting mechanism 6, and lifting mechanism 6 is clamped with spraying mechanism 7, and two-phase flow spray head 8 is rotatably arranged on the upper side of spraying mechanism 7, and the liquid outlet of liquid pump 4 is connected with two-phase flow spray head 8 through the pipe winding mechanism 5 and the liquid supply pipe 41, and air compressor pump 3 is provided with air pressure regulating valve 31, and air compressor pump 3 is connected with two-phase flow spray head 8 through the pipe winding mechanism 5 and the air pipe 32 and air pressure regulating valve 31, in the embodiment, drive walking car body 1 to walk to the agricultural planting area of required plant protection operation by starting drive wheel 11, the liquid pump 4 is used to control liquid pump 4 to extract the liquid medicine in medicine box 2, then through the liquid supply pipe 41 and the pipe winding mechanism 5 and two-phase flow spray head 8 are connected, and air compressor pump 3 is connected with two-phase flow spray head 8 through the pipe winding mechanism 5 and the air pipe 32 and air pressure regulating valve 31, realize automatic spraying.

[0032] In the embodiment, the spraying mechanism 7 comprises a walking frame 71, auxiliary walking wheels 75 are installed at the bottom of both ends of the walking frame 71, a stepless motor 78 is connected on one side of the auxiliary walking wheels 75, a second motor 72 is installed in the walking frame 71, a driving shaft at the top of the second motor 72 penetrates through the walking frame 71 and is drivingly connected with a rotary mounting table 73 above the walking frame 71, two-phase flow nozzles 8 are installed on the rotary mounting table 73 through mounting seats 74, a battery box 76 and a wireless communication control box 79 are also installed on the inner side of the walking frame 71; the battery box 76 is electrically connected with the stepless motor 78 and the second motor 72, the stepless motor 78 and the second motor 72 are wirelessly signal-connected with the electric control box 10 through the wireless communication control box 79; the walking frame 71 is provided with a clamping rod 77 installed at the bottom, and the clamping rod 77 is clamped on the lifting mechanism 6; the lifting mechanism 6 comprises an electric telescopic rod 61 installed on the front end of the walking vehicle body 1, the top telescopic end of the electric telescopic rod 61 is provided with a lifting plate 64, the lifting plate 64 slides on the sliding groove 16 of the front end stand column 15 of the walking vehicle body 1 through sliding blocks 62 at both ends; a clamping groove 63 for clamping the clamping rod 77 is formed above the lifting plate 64; the electric telescopic rod 61 is electrically connected with the electric control box 10; the spraying mechanism 7 is clamped on the lifting plate 64 of the lifting mechanism 6 through the clamping groove 63 of the bottom clamping rod 77, the height position of the spraying mechanism 7 is adjusted by driving the lifting plate 64 to move up and down by the electric telescopic rod 61, and the left and right angle swing adjustment of the two-phase flow nozzles 8 is also realized by driving the rotary mounting table 73 to drive the two-phase flow nozzles 8 to swing left and right by the second motor 72 controlled by the electric control box 10 through the wireless communication control box 79, so that the uniformity of the spraying range is more favorable.

[0033] In the embodiment, the front end of the walking vehicle body 1 is provided with a driving wheel 11; the rear end of the walking vehicle body 1 is provided with an adjusting wheel 12, an adjusting wheel handle 13 is connected above the adjusting wheel 12, and a seat plate 14 is also connected to the rear end of the walking vehicle body 1; the staff can sit on the seat plate 14 and rotate the adjusting wheel handle 13 to adjust the adjusting wheel 12 and adjust the direction of the walking vehicle body 1.

[0034] In the embodiment, the air compression pump 3 and the liquid pump 4 are electrically connected with the electric control box 10; the electric control box 10 is provided with an operation panel and a liquid crystal display screen, and a power supply is arranged in the electric control box 10.

[0035] In addition, a protective shell can be arranged on the walking vehicle body 1.

[0036] The working principle and use process of the utility model are as follows: when the utility model is used, the operator drives the walking vehicle body 1 to the agricultural planting area where the plant protection operation is needed by starting the driving wheel 11; the spraying mechanism 7 is clamped on the lifting plate 64 of the lifting mechanism 6 through the clamping rod 77 at the bottom through the clamping groove 63, the electric telescopic rod 61 is used to drive the lifting plate 64 to adjust up and down, so that the height position of the spraying mechanism 7 is adjusted, and the second motor 72 is controlled to drive the rotary mounting table 73 to drive the two-phase flow spray head 8 to swing left and right through the wireless communication control box 79 and the electric control box 10, so that the uniformity of the spraying range is more favorable; the liquid pump 4 is used to extract the liquid medicine in the medicine tank 2 through the electric control box 10, then the liquid supply pipe 41 is used to lead out and connect with the two-phase flow spray head 8 through the pipe winding mechanism 5, and the air compression pump 3 is connected with the two-phase flow spray head 8 through the pipe winding mechanism 5 by leading out and connecting with the air pressure regulating valve 31 and the air pipe 32; the automatic spraying is realized.

[0037] According to the existing two-phase flow spray head and test results, the ideal effect of the spraying mist droplets is that the median particle size is less than 50 μm, the air pump pressure needs to reach 0.2-0.5 Mpa, the liquid pressure needs to reach 0.05-0.3 Mpa, the pipeline length and the end pressure attenuation are considered, a 60L / min air pump and a 6L / min liquid pump are selected, the air valve opening and the water pump speed are adjusted, and appropriate parameters are set to match the spraying effect.

[0038] The control system on the electric control box 10 belongs to an atomization control system, which is used for controlling the air pressure regulating valve 31, the liquid pump 4 and the running of the walking mechanism, and realizing automatic operation through preset parameters.

[0039] In the operation process, the user can control the running of each device by clicking the operation panel on the electric control box 10, and the device stops running by pressing the emergency stop switch if emergency stop is needed. The electric control box 10 controls the spraying device through automatic setting and adjustment, and realizes accurate control of the spraying device.

[0040] Embodiment 2

[0041] Please refer to Figure 5 As shown in the figure, the technical features of embodiment 1 are as follows: the spraying mechanism 7 is connected and arranged on the track 20 through the auxiliary walking wheel 75; the spraying mechanism 7 is taken off from the lifting mechanism 6 and placed on the track 20 above the planting area through the auxiliary walking wheel 75, the electric control box 10 is used to control the stepless motor 78 to drive the auxiliary walking wheel 75 to walk on the track 20, and the air-liquid two-phase pipeline is pulled out and connected with the two-phase flow spray head 8 through the pipe winding mechanism 5, so that the spraying mist is realized; the two-phase flow spraying operation can realize the separation of the operator and the medicine, and the device can be used by the operator to perform the operation of spraying and fertilizing in planting.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A two-phase flow sprayer, comprising a vehicle body (1), on which a medicine tank (2), an air compressor pump (3), a liquid pump (4), and an electrical control box (10) are mounted, wherein the inlet end of the liquid pump (4) is connected to the medicine tank (2) via a pipeline, characterized in that: The walking vehicle body (1) is further provided with a pipe winding mechanism (5), a lifting mechanism (6) is installed on the front end of the walking vehicle body (1), a spraying mechanism (7) is clamped on the lifting mechanism (6), a two-phase flow spray head (8) is rotatably arranged above the spraying mechanism (7), the liquid outlet end of the liquid pump (4) is connected with the two-phase flow spray head (8) through the pipe winding mechanism (5) and the liquid supply pipe (41), and the air compression pump (3) is provided with an air pressure regulating valve (31).

2. The two-phase fluid sprayer of claim 1, wherein: The spraying mechanism (7) comprises a walking frame (71), auxiliary walking wheels (75) are installed at the bottom of both ends of the walking frame (71), a stepless motor (78) is connected on one side of the auxiliary walking wheels (75), a second motor (72) is installed in the walking frame (71), a driving shaft of the second motor (72) penetrates through the walking frame (71) and is drivingly connected with a rotary mounting table (73) above the walking frame (71), the two-phase flow spray head (8) is installed on the rotary mounting table (73) through a mounting seat (74), a battery box (76) and a wireless communication control box (79) are further installed on the inner side of the walking frame (71), the battery box (76) is electrically connected with the stepless motor (78) and the second motor (72), the stepless motor (78) and the second motor (72) are wirelessly connected with the electric control box (10) through the wireless communication control box (79), and the walking frame (71) is provided with a clamping rod (77) at the bottom and is clamped on the lifting mechanism (6) through the clamping rod (77).

3. The two-phase fluid sprayer of claim 1, wherein: The lifting mechanism (6) comprises an electric telescopic rod (61) installed on the front end of the walking vehicle body (1), the top telescopic end of the electric telescopic rod (61) is provided with a lifting plate (64), the lifting plate (64) is slidably arranged on the sliding groove (16) of the front end stand (15) of the walking vehicle body (1) through sliding blocks (62) at both ends, a clamping groove (63) for clamping the clamping rod (77) is formed in the upper side of the lifting plate (64), and the electric telescopic rod (61) is electrically connected with the electric control box (10).

4. The two-phase fluid sprayer of claim 1, wherein: The front end of the walking vehicle body (1) is provided with a driving wheel (11), the rear end of the walking vehicle body (1) is provided with an adjusting wheel (12), the upper side of the adjusting wheel (12) is connected with an adjusting wheel handle (13), and the rear end of the walking vehicle body (1) is further connected with a seat plate (14).

5. The two-phase fluid sprayer of claim 1, wherein: The air compression pump (3) and the liquid pump (4) are electrically connected with the electric control box (10).

6. The two-phase fluid sprayer of claim 2, wherein: The spraying mechanism (7) is arranged on the track (20) through the auxiliary walking wheels (75).

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