Method for preparing elevation-adjustable rocker arm type irrigating spray head of flexible elbow pipe

Abstract

The invention discloses a method for preparing an elevation-adjustable rocker arm type irrigating spray head of a flexible elbow pipe. A connecting piece with a protruding block is added on a spray body of a traditional rocker arm type irrigating spray head, a connecting piece with a protruding block is additionally arranged on a hollow shaft of the rocker arm type irrigating spray head in the same way, a metal flexible pipe of which both ends are provided with screw threads is connected between the connecting piece on the spray body and the connecting piece on the hollow shaft, through holesare respectively arranged on the protruding block of the connecting piece on the spray body and the protruding block of the connecting piece on the hollow shaft, and two pull rods are fixed on the through holes by bolts and butterfly nuts. When the elevation is adjusted, the metal flexible pipe is firstly bent, the fixed pull rods are fixed on the holes by using the bolts after the required spraying elevation is achieved, and then the pull rods are fixed by using the butterfly nuts. According to the method for preparing the elevation-adjustable rocker arm type irrigating spray head of the flexible elbow pipe, the structure is simple, scientific and reasonable. Meanwhile, high temperature and high pressure can also be borne, and the method for preparing the elevation-adjustable rocker arm type irrigating spray head of the flexible elbow pipe is the structural optimization of an original rocker arm type spray head, is suitable for the trial places of all rocker arm type spray heads, such as the irrigation systems of a farmland and a garden landscape, and can also be used for an irrigation system of a place with larger wind.

Description

technical field [0001] The invention relates to an improvement scheme of an irrigation sprinkler, in particular to a method for preparing an elevation-angle-adjustable rocker-arm irrigation sprinkler of a flexible elbow. Background technique [0002] Irrigation nozzles are the key equipment for sprinkler irrigation, and rocker nozzles are the most widely used nozzles in my country. The jet elevation angle is one of the important performance parameters of the nozzle, which refers to the angle between the jet and the horizontal plane when it leaves the nozzle. In the case of the same working pressure and flow rate, the spray elevation angle largely determines the range and the distribution of sprayed water. [0003] The spray elevation angle of existing irrigation nozzles is generally 20° to 30°. For large and medium-sized irrigation nozzles, the spray elevation angle is greater than 20°, and the spray elevation angle of small irrigation nozzles is less than 20°. There are re...

AI Technical Summary

Problems solved by technology

However, its structure is mechanically connected, which has the disadvantages of complex production, high precision requirements, and difficulty in fixing.

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