Crawler-type orchard spraying device

Abstract

The utility model relates to a crawler-type orchard spraying device which comprises a frame body, crawler-type walking devices arranged on the two sides of the frame body, a spraying system, a power system and a control system, the spraying system, the power system and the control system are arranged on the frame body, the spraying system comprises a liquid supply box, and a water outlet of the liquid supply box is sequentially communicated with a water pump and a spraying rod assembly. The spray rod assembly comprises a spray rod, a spray head arranged on the spray rod and a three-way control valve; the three-way control valve is connected with and controls all the spray heads on the spray rod, and left spray, right spray and full spray of the spray heads are achieved through control. And the spray head is hinged with the spray rod. The spraying device is efficient in operation, safe in pesticide application, capable of achieving control over left spraying, right spraying and full spraying, and capable of effectively solving the problem that orchard pesticide application is difficult.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, and particularly relates to a crawler-type orchard spraying device. Background Art

[0002] In orchard management, the prevention and control of fruit tree diseases and pests has always been an important task. The terrain of the fruit tree planting area is complex, the density of the fruit forest is large, it is difficult to enter and exit, the temperature of the spraying operation environment is high, and the spraying is difficult. Therefore, it is relatively difficult to operate the spraying equipment in the prior art in the above area, the spraying effect is not good, and the spraying efficiency is also very low.

[0003] At present, the most commonly used method is manual spraying with a medicine backpack. This spraying method has the following problems: Since the temperature inside cash crops is usually high and the ventilation is poor, spraying medicine is harmful to the human body and can cause potential pathological hazards to the human body; the spraying efficiency is low, manual spraying consumes a lot of physical strength and delays time; the utilization rate of the medicine is low, and manual spraying will cause uneven spraying, resulting in waste of medicine.

[0004] There are also some spraying devices in the prior art, but these spraying devices have the following disadvantages: mostly semi-automatic control is adopted, and it is difficult to achieve full-automatic spraying; the cruising range of the spraying device is short, the spraying method is single, and the efficiency is not high; the operator cannot control the machine outside the safe range of contact with pesticides, and it is difficult to ensure the physical health of the operator; mostly wheel drive is adopted, and for complex terrains such as soft geology, unevenness, etc., wheel drive is difficult to meet the spraying requirements of orchards; most of them adopt air-assisted equipment, and the height of the air-assisted plant protection equipment is relatively high, and its passability is very poor in traditional orchards; Therefore, there is an urgent need for a new type of orchard plant protection machinery with good passability, which can achieve separation of people and medicine and high efficiency in traditional orchards. Summary of the Invention

[0005] The purpose of the utility model is to provide a crawler-type orchard spraying device to solve the above deficiencies.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: A crawler-type orchard spraying device, comprising: a frame main body, crawler-type traveling devices arranged on both sides of the frame main body, and a spraying system, a power system and a control system arranged on the frame main body. The spraying system includes a liquid supply tank, the water outlet of the liquid supply tank is sequentially connected to a water pump and a spray bar assembly. The spray bar assembly includes a spray bar, spray heads arranged on the spray bar, and a three-way control valve; the three-way control valve is connected to control each spray head on the spray bar to control the left spraying, right spraying and full spraying of the spray heads; the spray heads are hinged to the spray bar.

[0007] Further, the crawler-type traveling device includes a power support and a crawler. One end of the power support is equipped with a drive wheel, and the other end of the power support is connected to a guide wheel. The drive wheel and the guide wheel are both equidistantly arranged with teeth in the circumferential direction. The crawler is respectively meshed and connected with the teeth on the drive wheel and the guide wheel. A load-bearing wheel is installed between the lower part of the power support and the crawler.

[0008] Further, the power system includes a gasoline engine, a power generation coil, a power pulley, and a drive motor. The gasoline engine is respectively connected to the power generation coil and the power pulley. The power generation coil is electrically connected to the drive motor. The power pulley is connected to the pulley of the water pump electromagnetic clutch through a belt, and the water pump electromagnetic clutch is connected to control the water pump.

[0009] Further, there are two drive motors. The two drive motors are symmetrically arranged on both sides of the gearbox and are correspondingly connected to the sprocket transmission mechanisms symmetrically arranged on both sides inside the gearbox. The two sprocket transmission mechanisms are respectively connected to the drive wheels of the crawler-type traveling device through drive half shafts.

[0010] Further, a front hood is provided in front of the frame body. A grid-type air inlet is provided on the front hood, and an exhaust port is provided on the side of the frame body.

[0011] Further, the spray bar includes a first spray bar section in the middle and second spray bar sections symmetrically arranged on both sides. The entire spray bar is arranged in an inverted U shape on the rear end face of the frame body.

[0012] Further, the control system includes a controller and a remote controller. The controller is respectively connected to control the spray system and the power system. The remote controller is wirelessly connected to the controller.

[0013] Further, the controller is arranged in the electric control box at the front end of the frame body. A cover plate is provided on the electric control box, and a water blocking strip is provided at the connection between the edge of the cover plate and the electric control box.

[0014] Further, a liquid level sensor is provided in the liquid supply tank. The liquid level sensor is connected to the control system, and the control system controls the throttle of the gasoline engine of the power system according to the liquid level data sent by the liquid level sensor.

[0015] Further, a protective frame is also provided above the frame body. One end of the protective frame is hinged to the frame body.

[0016] The beneficial effects of the present utility model compared with the prior art are:

[0017] 1. The spray boom of the crawler-type orchard spray device of the present utility model includes a first spray boom section at the middle position and second spray boom sections on both sides, and the spray nozzles are hinged to the spray boom through hollow bolts, and the direction of the spray nozzles can be adjusted in the vertical plane; the spray range can be adjusted according to the distribution of fruit tree leaves, and each spray nozzle is controlled by a three-way control valve, and the left spray, right spray and full spray of the spray nozzles can be realized separately.

[0018] 2. The crawler-type traveling devices on both sides of the crawler-type orchard spray device of the present utility model are driven and controlled by independent drive motors, and the vehicle speeds on both sides can be independently controlled to realize functions such as straight running, differential turning, and turning in place, and the steering control is convenient.

[0019] 3. After the gasoline engine of the present utility model works, the generator coil converts mechanical energy into electrical energy for use by the traveling drive motor, and at the same time, the control system controls the gasoline engine to rotate at a constant speed, and the throttle size is automatically adjusted according to the change of the liquid medicine load in the liquid supply tank; in addition, part of the power of the gasoline engine is transmitted to the pulley of the water pump electromagnetic clutch through the power pulley by a belt, and then the on-off of the water pump is controlled by the water pump electromagnetic clutch, improving the energy utilization efficiency.

[0020] 4. The crawler-type orchard spray device of the present utility model can be remotely operated and controlled by a remote controller, and personnel do not need to approach the spray device for spraying operations, and the safety of personnel is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a perspective view of the rear end of the crawler-type orchard spray device of the present utility model;

[0022] Figure 2 is a perspective view of the front end of the crawler-type orchard spray device of the present utility model;

[0023] Figure 3 is a schematic diagram of the spray boom assembly of the present utility model;

[0024] Figure 4 is a partial connection schematic diagram of the power system of the present utility model;

[0025] Figure 5 is a sectional view of the traveling drive of the present utility model. DETAILED DESCRIPTION OF THE INVENTION

[0026] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model.

[0027] The embodiment of the present utility model provides a crawler-type orchard spray device, such as Figure 1 、Figure 2 , Figure 3 and Figure 4 As shown, it includes: a frame main body 1, crawler-type traveling devices arranged on both sides of the frame main body 1, and a spray system, a power system and a control system arranged on the frame main body. The spray system includes a liquid supply tank 2. The water outlet of the liquid supply tank 2 is sequentially communicated with a water pump 23 and a boom assembly. A pressure gauge 18 is also provided on the pipeline between the water pump and the boom assembly, and the pressure gauge 18 is fixed on the frame main body. The boom assembly includes a boom 9, nozzles 10 arranged on the boom 9 and a three-way control valve 11. The three-way control valve 11 is connected to control the nozzles 10 on the boom 9, and controls to realize the left spray, right spray and full spray of the nozzles 10, that is, it can realize that only all the nozzles on the left side of the three-way control valve 11 spray the liquid medicine, or only all the nozzles on the right side of the three-way control valve 11 spray the liquid medicine, or control the three-way control valve 11 to make all the nozzles spray the liquid medicine. The nozzles 10 are hinged to the boom 9. Preferably, the nozzles can be hinged to the boom through hollow bolts, so that the nozzles can swing in the vertical plane to change the spraying angle, and the spraying range of the liquid medicine is larger, and it can adapt to the spraying of the liquid medicine in different distribution areas of the fruit tree leaves. As a preference, the boom 9 includes a first boom section 901 in the middle and second boom sections 902 symmetrically arranged on both sides of the first boom section 901. The whole boom 9 is arranged in an inverted U shape on the rear end face of the frame main body 1. The boom 9 is arranged at the rear end of the frame main body, and the liquid medicine sprayed by the nozzles will not fall on the frame main body. As a preference, the nozzles adopt fan-shaped high-pressure stainless steel nozzles, and the nozzles contain a filter screen and a drip-proof valve core inside, so that the sprayed mist droplets of the nozzles are uniform. The fine mist droplets neither harm the crops nor have penetration power, and the atomized liquid medicine is evenly sprayed on the fruit trees to achieve the purpose of pest control.

[0028] As Figure 4 , Figure 5As shown in the figure, in the embodiment of the present utility model, the power system includes a gasoline engine 19, a power generation coil 20, a power pulley 21 and a drive motor 24. The gasoline engine 19 is respectively connected to the power generation coil 20 and the power pulley 21, and the power generation coil 20 is electrically connected to the drive motor 24. The power pulley 21 is connected to the pulley of the water pump electromagnetic clutch 22 through a belt, and the water pump electromagnetic clutch 22 is connected to control the water pump 23. Preferably, there are two drive motors 24, and the two drive motors 24 are symmetrically arranged on both sides of the gearbox 16 and are correspondingly connected to the sprocket transmission mechanisms symmetrically arranged on both sides inside the gearbox 16. The two sprocket transmission mechanisms are respectively connected to the drive wheels 6 of the crawler-type traveling device through drive half shafts 27. The sprocket transmission mechanism includes a driving sprocket 25 and a driven sprocket 26. An axle sleeve 28 is provided outside the drive half shaft 27. The drive motor 24 transmits power to the drive wheel 6 through the sprocket transmission mechanism and the drive half shaft 27 in sequence. In the embodiment of the present utility model, the two drive motors 24 are independently controlled, and the speed difference between the two crawlers can be realized through the speed difference of the drive motors 24, so as to realize steering and turning in place. In the embodiment of the present utility model, the drive wheel 6 is a component of the crawler-type traveling device. The crawler-type traveling device includes a power support 5 and a crawler 4. The drive wheel 6 is installed at one end of the power support 5. A plurality of teeth are arranged at equal intervals in the circumferential direction of the drive wheel 6. A guide wheel 7 is connected to the other end of the power support 5. Teeth are arranged at equal angular intervals in the circumferential direction of the guide wheel 7. The crawler 4 is respectively meshed with the teeth on the drive wheel 6 and the guide wheel 7. A load-bearing wheel 8 is installed between the power support 5 and the crawler 4. During operation, the drive motor 24 rotates to drive the crawler to move, and at the same time, the power pulley 21 rotates to drive the water pump electromagnetic clutch 22 to work to control the water pump 23 to work. The water pump 23 pumps the liquid medicine in the liquid supply tank 2 and transports it to the spray bar 9, and distributes the liquid medicine to the corresponding nozzles according to the opening degree of the three-way control valve 11.

[0029] In the embodiment of the present utility model, the control system includes a controller 29 and a remote controller (not shown). The controller 29 is respectively connected to control the spray system and the power system. The remote controller is wirelessly connected to the controller 29. The controller 29 is arranged in the electric control box 12 at the front end of the vehicle frame main body 1. A cover plate 13 is arranged on the electric control box 12. A water blocking strip is arranged at the connection between the edge of the cover plate 13 and the electric control box 12 to prevent water from entering the electric control box 12. People can remotely operate the left spray, right spray and full spray function buttons of the remote controller to control the opening degree of the three-way control valve 11, so as to realize the control of spraying all the nozzles on the left side, spraying all the nozzles on the right side and spraying all the nozzles of the three-way control valve 11.

[0030] In the embodiment of the present utility model, a front hood 14 is provided in front of the frame main body 1. A grid-shaped air inlet 31 is provided on the front hood 14, and an exhaust port 15 is arranged on the side of the frame main body 1. During the walking process of the spraying device, clean and low-temperature air enters through the front air inlet and is directly discharged from the exhaust port on the side of the frame main body 1, discharging most of the heat.

[0031] Since during the walking process of the spraying device, the main load of the whole machine is the change in the amount of liquid medicine in the liquid supply tank, in the embodiment of the present utility model, a liquid level sensor (not shown) is provided in the liquid supply tank 2. The liquid level sensor can collect the amount of liquid medicine in the liquid supply tank. The liquid level sensor is connected to the control system, and the control system controls the throttle of the gasoline engine of the power system according to the liquid level data (amount of liquid medicine) sent by the liquid level sensor, that is, realizes the adjustment of the throttle of the gasoline engine according to the change of the load of the whole machine, thereby realizing energy conservation.

[0032] In the embodiment of the present utility model, a protective frame 17 is further provided above the frame main body 1. One end of the protective frame 17 is hinged on the frame main body 1. When the protective frame 17 is erected, it can be used as a vertical spray rod frame and can effectively reduce the damage to other components caused by the overturning of the whole machine. In the embodiment of the present utility model, a power switch 30 is also provided on the frame main body for controlling the power-on switch of the whole spraying device.

[0033] For the crawler-type orchard spraying device of the present utility model, the direction of the nozzle can be adjusted in the vertical plane; the spraying range can be adjusted according to the distribution of fruit tree leaves, and the nozzle can realize single left spraying, single right spraying and full spraying. Driven and controlled by an independent drive motor, the vehicle speeds on both sides can be independently controlled to realize functions such as straight running, differential turning, and turning in place, and the steering control is convenient; through remote operation and control by a remote controller, personnel do not need to approach the spraying device for spraying operations, and the safety of personnel is high.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A crawler-type orchard spraying device, comprising: The main frame body, the crawler-type traveling devices arranged on both sides of the main frame body, and the spray system, power system and control system arranged on the main frame body, characterized in that the spray system includes a liquid supply tank, the water outlet of the liquid supply tank is sequentially communicated with a water pump and a spray bar assembly, the spray bar assembly includes a spray bar, spray nozzles arranged on the spray bar and a three-way control valve; the three-way control valve is connected to control the spray nozzles on the spray bar, and controls the left spray, right spray and full spray of the spray nozzles; the spray nozzles are hinged to the spray bar.

2. The crawler-type orchard spraying device according to claim 1, wherein The crawler-type traveling device includes a power support and a crawler. One end of the power support is equipped with a driving wheel, and the other end of the power support is connected with a guiding wheel. The driving wheel and the guiding wheel are evenly spaced with teeth in the circumferential direction. The crawler is respectively meshed with the teeth on the driving wheel and the guiding wheel, and a load-bearing wheel is installed between the power support and the crawler below.

3. A crawler-type orchard spraying device according to claim 1, characterized in that, The power system includes a gasoline engine, a power generation coil, a power pulley and a driving motor. The gasoline engine is respectively connected to the power generation coil and the power pulley, and the power generation coil is electrically connected to the driving motor; the power pulley is connected to the pulley of the water pump electromagnetic clutch through a belt, and the water pump electromagnetic clutch controls the water pump.

4. A crawler-type orchard spraying device according to claim 3, characterized in that, There are two driving motors, and the two driving motors are symmetrically arranged on both sides of the gearbox and are correspondingly connected to the sprocket transmission mechanisms symmetrically arranged on both sides inside the gearbox. The two sprocket transmission mechanisms are respectively connected to the driving wheels of the crawler-type traveling device through driving half shafts.

5. A crawler-type orchard spraying device according to claim 1, characterized in that, A front hood is provided in front of the main frame body, and a grid-type air inlet is provided on the front hood, and an exhaust port is provided on the side of the main frame body.

6. A crawler-type orchard spraying device according to claim 1, characterized in that, The spray bar includes a first spray bar section in the middle and second spray bar sections symmetrically arranged on both sides. The whole spray bar is arranged in an inverted U shape on the rear end face of the main frame body.

7. A crawler-type orchard spraying device according to claim 1, characterized in that, The control system includes a controller and a remote controller. The controller is respectively connected to control the spray system and the power system, and the remote controller is wirelessly connected to the controller.

8. A crawler-type orchard spraying device according to claim 7, characterized in that The controller is arranged in an electric control box at the front end of the main frame body. A cover plate is arranged on the electric control box, and a water blocking strip is arranged at the connection between the edge of the cover plate and the electric control box.

9. A crawler-type orchard spraying device according to claim 4, characterized in that, A liquid level sensor is arranged in the liquid supply tank, the liquid level sensor is connected to the control system, and the control system controls the throttle of the gasoline engine of the power system according to the liquid level data sent by the liquid level sensor.

10. A crawler-type orchard spraying device according to claim 1, characterized in that, A protective frame is further arranged above the main frame body, and one end of the protective frame is hinged to the main frame body.

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