Water and fertilizer spraying device for vegetable and fruit planting greenhouse

By designing a water and fertilizer spraying device that includes a carrier vehicle and a linkage structure, the problems of poor flexibility and small irrigation range of water and fertilizer spraying devices are solved, realizing flexible adjustment and uniform spraying of water and fertilizer, and improving the water and fertilizer utilization rate of crops.

CN223993965UActive Publication Date: 2026-03-17JINGNING JINGJI ECOLOGICAL AGRICULTURE DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing water and fertilizer spraying devices lack flexibility in use, have a small irrigation range, and are difficult to adjust flexibly according to the needs of crops in different areas of the greenhouse.

Method used

A water and fertilizer spraying device was designed, comprising a carrier vehicle, a spraying device body, a water and fertilizer mixing chamber, an electric mixing component, a control cylinder, a moving plate, a rack and pinion, and a sector gear. The carrier vehicle propels the device to move between fields, and the angle and position of the spray head are adjusted by the linkage structure of the control cylinder and gears to achieve flexible water and fertilizer spraying.

Benefits of technology

It enables flexible adjustment of the water and fertilizer spraying device, expands the spraying range, ensures that water and fertilizer are accurately delivered to the roots or leaves of crops, improves water and fertilizer utilization, reduces spraying dead zones, and ensures that both sides of the field are fully nourished.

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Abstract

The utility model relates to the field of spraying devices, in particular to a water and fertilizer spraying device for a vegetable and fruit planting greenhouse, which comprises a bearing vehicle, a spraying device main body, a water and fertilizer blending cavity and an electric stirring piece, the upper end of the bearing vehicle is fixedly connected with a spraying device body; a cylindrical water and fertilizer blending cavity is formed in the inner side of the spraying device main body; an electric stirring piece extending into the water and fertilizer blending cavity is arranged at the upper end of the spraying device main body; the spraying device is designed on the bearing vehicle, so that the whole water and fertilizer spraying device can be pushed into a gap reserved between fields to start spraying water and fertilizer, the working area of the water and fertilizer spraying device can be flexibly adjusted, and the angles of the spraying heads on the two sides can be controlled to synchronously change through a linkage structure; the spraying head swings up and down with the supporting frame bearing as the center, the water and fertilizer solution is evenly sprayed to crops, it is ensured that water and fertilizer can be accurately conveyed to roots or leaves of the crops, the water and fertilizer utilization rate is increased, and the spraying range can be enlarged.
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Description

Technical Field

[0001] This utility model relates to the field of spraying devices, and in particular to a water and fertilizer spraying device for vegetable and fruit greenhouses. Background Technology

[0002] With the rapid development of agricultural modernization, traditional agricultural models can no longer meet the needs of modern society. Against this backdrop, fertigation technology, as one of the important technologies of modern agriculture, combines irrigation and fertilization processes to achieve precise management of crop water and nutrient supply.

[0003] However, existing water and fertilizer spraying systems typically fix the mixing tank in the controlled area. Multiple water pipes are distributed across the field surface, transporting water and fertilizer from the mixing tank to these pipes. Irrigators on the outside of these pipes then drip water and nutrients evenly and slowly into the soil around the crop roots. The mixing tank is usually fixed within the controlled area, and the fertilizer mixing and application process must be carried out at this fixed location. Once the mixing tank's location is determined, it's difficult to flexibly adjust it according to the needs of different crops in different areas of the greenhouse. Water pipes are usually pre-buried underground or laid along fixed supports within the greenhouse. This fixed layout limits irrigation flexibility, and the irrigation range of the irrigation devices is often limited.

[0004] Therefore, to address the issues of poor flexibility in the use of the aforementioned water and fertilizer spraying devices and the small irrigation range of the watering devices, a water and fertilizer spraying device for vegetable and fruit greenhouses can be designed. Utility Model Content

[0005] To overcome the problems of poor flexibility and small irrigation range of existing water and fertilizer spraying devices.

[0006] The technical solution of this utility model is as follows: a water and fertilizer spraying device for vegetable and fruit greenhouses, comprising a carrier vehicle, a spraying device body, a water and fertilizer mixing chamber, an electric agitator, a mounting frame, a control cylinder, a moving plate, a rack, a sector gear, and a spray head; the upper end of the carrier vehicle is fixedly connected to the spraying device body; a cylindrical water and fertilizer mixing chamber is opened inside the spraying device body; an electric agitator extending into the water and fertilizer mixing chamber is provided at the upper end of the spraying device body; a mounting frame is fixedly connected to the middle position of the upper end of the spraying device body; a control cylinder is installed at the upper end of the mounting frame; a moving plate is installed at the lower end of the piston rod of the control cylinder; racks are fixedly connected to both ends of the moving plate; a sector gear is meshed with the outer side of the rack; the sector gear is fixed to the end of the spray head near the spraying device body.

[0007] Preferably, the first step is to pour the water and fertilizer raw materials into the water and fertilizer mixing chamber and turn on the stirring function of the electric agitator to make the water and fertilizer fully and evenly mixed in the water and fertilizer mixing chamber.

[0008] The second step is to push the entire water and fertilizer spraying device into the gap between the fields using a carrier vehicle, and start the water and fertilizer spraying work. The initial position of the moving plate is adjusted by controlling the cylinder. The extension and retraction of the piston rod of the cylinder will drive the moving plate to move up and down, thereby adjusting the height of the racks on both sides. The movement of the racks will drive the sector gears meshing with them to rotate, which in turn will change the spray angle of the spray head.

[0009] The third step involves the delivery pipes of the spray heads on both sides drawing the solution from the water and fertilizer mixing chamber. The spray heads then swing up and down around the bearing of the support frame, evenly spraying the water and fertilizer solution onto the crops. This design better adapts to crops of different heights, ensuring that water and fertilizer are accurately delivered to the roots or leaves of the crops, improving water and fertilizer utilization. It also expands the spraying range, reduces spray dead zones, and ensures that the fields on both sides receive sufficient water and fertilizer nourishment.

[0010] As a preferred embodiment, the vehicle is equipped with wheel hubs, limiting grooves, and rubber tires on both the left and right ends; the wheel hubs are provided with limiting grooves on the outside; the rubber tires are installed on the inside of the limiting grooves; and the outer surface of the rubber tires is provided with anti-slip textures.

[0011] Preferably, rubber tracks are installed inside the limiting grooves of the wheel hub and the front wheel hub; anti-slip protrusions are distributed on the outer side of the rubber tracks.

[0012] Preferably, a movable plate is slidably connected to the inner side of the mounting frame; the support column of the mounting frame and the corner groove of the movable plate form a limiting structure.

[0013] Preferably, a support frame is fixedly connected to the upper end of the vehicle's chassis; a spray head is connected to the bearing inside the support frame.

[0014] Preferably, a delivery pipe is installed between the spray head and the water-fertilizer mixing chamber; a water pump is installed inside the delivery pipe.

[0015] The beneficial effects of this utility model are:

[0016] This invention features a spraying device designed for use on a carrier vehicle. The entire water and fertilizer spraying system can be pushed into the pre-reserved gaps between fields to begin spraying. The working area of ​​the spraying device can be flexibly adjusted, and the linkage structure allows for synchronous changes in the angle of the spray heads on both sides. The spray heads then swing up and down around the support frame bearing, evenly spraying the water and fertilizer solution onto the crops. This design better adapts to crops of different heights, ensuring accurate delivery of water and fertilizer to the roots or leaves, improving water and fertilizer utilization. Furthermore, it expands the spraying range, reduces blind spots, and ensures that both fields receive sufficient water and fertilizer nourishment. Attached Figure Description

[0017] Figure 1The diagram shown is a three-dimensional structural schematic of the spraying device of this utility model;

[0018] Figure 2 The diagram shown is another three-dimensional structural schematic of the spraying device of this utility model;

[0019] Figure 3 The diagram shown is a cross-sectional view of the main body of the spraying device of this utility model.

[0020] Figure 4 The diagram shown is a three-dimensional structural diagram of the hub of the spraying device of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Carrier vehicle; 2. Main body of the spraying device; 3. Water and fertilizer mixing chamber; 4. Electric mixer; 5. Mounting frame; 6. Control cylinder; 7. Moving plate; 8. Rack; 9. Sector gear; 10. Spray head; 11. Wheel hub; 12. Limiting groove; 13. Rubber tire; 14. Rubber track; 15. Support frame; 16. Conveying pipeline. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1-4 This utility model provides an embodiment of a water and fertilizer spraying device for vegetable and fruit greenhouses, comprising a carrier 1, a spraying device body 2, a water and fertilizer mixing chamber 3, an electric agitator 4, a mounting frame 5, a control cylinder 6, a moving plate 7, a rack 8, a sector gear 9, and a spray head 10; the upper end of the carrier 1 is fixedly connected to the spraying device body 2; a cylindrical water and fertilizer mixing chamber 3 is opened on the inner side of the spraying device body 2; an electric agitator 4 is provided at the upper end of the spraying device body 2, extending into the water and fertilizer mixing chamber 3; a mounting frame 5 is fixedly connected to the middle position of the upper end of the spraying device body 2; a control cylinder 6 is installed at the upper end of the mounting frame 5; a moving plate 7 is installed at the lower end of the piston rod of the control cylinder 6; racks 8 are fixedly connected to both ends of the moving plate 7; a sector gear 9 is meshed with the outer side of the rack 8; the sector gear 9 is fixed to the end of the spray head 10 near the spraying device body 2.

[0024] Please see Figure 2 In this embodiment, a movable plate 7 is slidably connected to the inner side of the mounting frame 5; the support column of the mounting frame 5 and the corner groove of the movable plate 7 form a limiting structure; a support frame 15 is fixedly connected to the upper end of the vehicle plate of the carrier vehicle 1; a spray head 10 is connected to the inner bearing of the support frame 15; a conveying pipe 16 is installed between the spray head 10 and the water and fertilizer mixing chamber 3; a water pump is installed in the conveying pipe 16.

[0025] Please see Figure 4In this embodiment, the left and right ends of the carrier vehicle 1 are equipped with wheel hubs 11, limiting grooves 12 and rubber tires 13; the outer side of the wheel hub 11 is provided with limiting grooves 12; the inner side of the limiting grooves 12 is equipped with rubber tires 13; the outer surface of the rubber tires 13 is provided with anti-slip textures; the inner side of the limiting grooves 12 of the wheel hub 11 and the front wheel hub 11 is equipped with rubber tracks 14; the outer side of the rubber tracks 14 is provided with anti-slip protrusions.

[0026] When working, the first step is to pour the water and fertilizer raw materials into the water and fertilizer mixing chamber 3 and turn on the stirring function of the electric stirring component 4 to make the water and fertilizer fully and evenly mixed in the water and fertilizer mixing chamber 3.

[0027] The second step is to push the entire water and fertilizer spraying device into the gap between the fields using the carrier vehicle 1, and start the water and fertilizer spraying work. The initial position of the moving plate 7 is adjusted by controlling the cylinder 6. The extension and retraction of the piston rod of the cylinder 6 will drive the moving plate 7 to move up and down, thereby adjusting the height of the racks 8 on both sides. The movement of the racks 8 will drive the sector gear 9 that meshes with it to rotate, thereby linking the spray head 10 to change the spray angle.

[0028] Third, the delivery pipes 16 of the spray heads 10 on both sides draw out the solution in the water and fertilizer mixing chamber 3. The spray heads 10 swing up and down around the bearing of the support frame 15 to spray the water and fertilizer solution evenly onto the crops. This design can better adapt to crops of different heights, ensure that water and fertilizer can be accurately delivered to the roots or leaves of the crops, improve water and fertilizer utilization, expand the spraying range, reduce spraying dead corners, and ensure that the fields on both sides can receive sufficient water and fertilizer nourishment.

[0029] Fourth step: depending on the field conditions, the wheel hub 11 of the carrier vehicle 1 can be fitted with rubber tires 13 or rubber tracks 14. When replacing, remove the rubber tires 13 from the limiting groove 12 and replace them with rubber tracks 14.

[0030] Through the above steps, this utility model, by designing the spraying device on the carrier vehicle 1, allows the entire water and fertilizer spraying device to be pushed into the pre-reserved gap between the fields to begin water and fertilizer spraying. The working area of ​​the water and fertilizer spraying device can be flexibly adjusted, and the angle of the spray heads 10 on both sides can be synchronously changed through a linkage structure. Furthermore, the spray heads 10 swing up and down around the bearing of the support frame 15, evenly spraying the water and fertilizer solution onto the crops. This design better adapts to crops of different heights, ensuring that water and fertilizer are accurately delivered to the crop roots or leaves. It improves water and fertilizer utilization, expands the spraying range, reduces spraying dead zones, and ensures that the fields on both sides receive sufficient water and fertilizer nourishment. The wheel hubs 11 of the carrier vehicle 1 can be equipped with rubber tires 13 or rubber tracks 14. The rubber tires 13 have low rolling resistance, which allows the carrier vehicle 1 to move quickly in the greenhouse field and improves work efficiency. The rubber tracks 14 have better terrain adaptability, especially in muddy, slippery or uneven greenhouse fields, which can provide better traction and stability and prevent the water and fertilizer spraying device from slipping or getting stuck in the mud.

Claims

1. A water and fertilizer spraying device for a vegetable and fruit planting greenhouse, comprising a bearing vehicle (1); characterized in that: Also include the spraying device body (2), water and fertilizer deployment chamber (3), electric stirring piece (4), mounting bracket (5), control cylinder (6), moving plate (7), rack (8), sector gear (9), spray head (10); the upper end of the bearing vehicle (1) is fixedly connected with the spraying device body (2); the inside of the spraying device body (2) is provided with a cylindrical water and fertilizer deployment chamber (3); the upper end of the spraying device body (2) is provided with an electric stirring piece (4) extending into the water and fertilizer deployment chamber (3); the upper end of the spraying device body (2) is fixedly connected with the mounting bracket (5) at the middle position; the mounting bracket (5) is provided with a control cylinder (6) at the upper end; the lower end of the piston rod of the control cylinder (6) is provided with a moving plate (7); the left and right ends of the moving plate (7) are fixedly connected with the rack (8); the outer side of the rack (8) is engaged with the sector gear (9); the sector gear (9) is fixed to the spray head (10) near one end of the spraying device body (2).

2. The water and fertilizer spraying device for a vegetable and fruit planting greenhouse according to claim 1, characterized in that: The left and right ends of the bearing vehicle (1) are provided with a hub (11), a limiting groove (12) and a rubber tire (13); the outer side of the hub (11) is provided with a limiting groove (12); the inner side of the limiting groove (12) is provided with a rubber tire (13); the outer surface of the rubber tire (13) is provided with anti-skid texture.

3. The water and fertilizer spraying device for a vegetable and fruit planting greenhouse according to claim 2, characterized in that: The inner side of the limiting groove (12) of the hub (11) and the hub (11) in front is provided with a rubber track (14); the outer side of the rubber track (14) is provided with anti-skid convex blocks.

4. The water and fertilizer spraying device for a vegetable and fruit planting greenhouse according to claim 1, characterized in that: The inner side of the mounting bracket (5) is slidably connected with the moving plate (7); the supporting column of the mounting bracket (5) and the corner groove of the moving plate (7) form a limiting structure.

5. The water and fertilizer spraying device for a vegetable and fruit planting greenhouse according to claim 1, characterized in that: The upper end of the bearing vehicle (1) is fixedly connected with a support frame (15); the inner side of the support frame (15) is bearing-connected with a spray head (10).

6. The water and fertilizer spraying device for a vegetable and fruit planting greenhouse according to claim 1, characterized in that: The spray head (10) and the water and fertilizer deployment chamber (3) are provided with a conveying pipeline (16); the conveying pipeline (16) is provided with a water pump.