Adjustable crop field liquid pesticide spraying device

Abstract

The invention provides an adjustable crop field liquid pesticide spraying device. The adjustable crop field liquid pesticide spraying device comprises a supporting frame, a supporting wheel, a liquidstorage tank and a liquid pesticide spraying mechanism, wherein the supporting wheel is arranged on the a supporting shaft bracket, the supporting frame is connected with the supporting shaft bracket,and the supporting frame can be adjusted up and down in the vertical direction. The liquid storage tank is arranged on the supporting frame, and the liquid pesticide spraying mechanism comprises an electric hydraulic pump, a liquid conveying pipe, a liquid pesticide distributing pipe and a first liquid return pipe which are connected in sequence, wherein the liquid conveying pipe is provided witha filter and a pressure alarming sensor; a liquid outlet of the electric hydraulic pump is provided with a second liquid return pipe, and the second liquid return pipe is provided with a liquid return relief valve; the liquid pesticide distributing pipe is provided with a plurality of liquid pesticide branch pipes, and the liquid outlet ends of the liquid pesticide branch pipes are provided withspraying nozzles respectively; a pressure regulating valve is arranged between the liquid pesticide distributing pipe and the first liquid return pipe; the liquid storage tank is internally provided with a liquid level detection device. By means of the adjustable crop field liquid pesticide spraying device, the supporting height of the device can be adjusted according to the growth vigor of crops,pressure regulation can be conducted on the pesticide spraying device, and during operation, the liquid amount and the pressure can be monitored in time.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to an adjustable crop field medicinal liquid spraying device. Background technique [0002] At present, artificial knapsack sprayers are mainly used for spraying liquid medicine in crop fields. The liquid medicine is pressurized manually by pressing a pressure rod. The operator is labor-intensive, and the leakage of liquid will cause great harm to the human body. The mechanical spraying device used in large-area farmland spraying operations, for example, the patent document with the publication number CN207544155U discloses a medicinal liquid spraying device for agricultural planting, including a medicinal liquid tank, a base, a rotating rod, a support vertical plate, and a movable plate , cam and tooth plate, the upper surface of the right part of the base is fixedly welded with a support rod and a supporting vertical plate, the top of the support rod is rotated and provided w...

AI Technical Summary

Problems solved by technology

However, this product cannot monitor the spraying effect of the liquid medicine in real time, especially it cannot adapt to the height of the crops in a timely manner. When the crops grow taller, the mechanical device is very easy to scrape the crops down, and it is difficult to spray the medicine

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