Combined multi-purpose agricultural water pump

Abstract

The invention provides a combined multi-purpose agricultural water pump, which includes a variable speed motor, a spiral flow constant pressure pump and an inner-rising screw pump, wherein the inner-rising screw pump includes a cylindrical shell, and a The screw rod is wound with a helical piece, and the helical piece matches the inner wall of the casing and can move relatively; the helical flow constant pressure pump has a central shaft, the variable speed motor is connected with the central shaft, and the screw rod and the central shaft are detachably connected . The combined multi-purpose agricultural water pump can turn on the variable speed motor according to the needs to realize the water delivery of the low-speed inner-lift screw pump and meet the working requirements of fish pond water change and fish pond dredging; and can be disengaged according to needs. Ascending screw pump, the motor is directly connected to the centrifugal pump, and the pump operates at high speed and high lift. The combined multi-purpose agricultural water pump can flexibly change the use mode according to the needs of users, and can be widely used in various irrigation and drainage places such as agricultural water supply and drainage, water exchange for fish ponds, dredging of fish ponds and ditches, and aeration of fish ponds.

Description

technical field [0001] The invention relates to the technical field of agricultural water pumps, in particular to a combined multipurpose agricultural water pump. Background technique [0002] It is well known that agricultural drainage and irrigation will encounter various complex situations: (1) If a large amount of irrigation and drainage is required for a certain period of time, the traditional method is to use multiple water pumps to work at the same time, which will inevitably cause waste of resources and increase equipment and labor costs; (2) When the terrain of crops is high and the water source is low, multi-stage centrifugal pumps are used for transportation; (3) Flexible transportation is required for changing water in fish ponds to prevent damage to fry; (4) Submersible pumps are used for sludge, impurities, aquatic plants and particles The sundries are sensitive, so a filter needs to be installed outside the pump. After working for a period of time, the aquatic...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a combined multi-purpose agricultural water pump to solve the problems of single purpose and low efficiency of the existing agricultural water pumps for drainage and irrigation

[0006] The second object of the present invention is to provide a combined multi-purpose agricultural water pump to solve the problem that the existing agricultural water pumps in special occasions such as fish pond pumping have a large damage to fish fry.

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