Straw shredding and deep-burying and returning machine for improving soil plough layer structure

Abstract

The invention provides a straw shredding and deep-burying and returning machine for improving a soil plough layer structure. The returning machine comprises a rack, a suspension device, a gearbox, a transmission mechanism, a fertilizer apparatus, a ditching device, a hammer shredding device, a screw conveying device and a stubble cleaning device. The screw conveying device comprises a screw conveying cylinder and a screw conveying roller. After shredded by the hammer shredding device, straw is beaten by a hammer to scatter into the screw conveying roller, and at the same time, fertilizer in the fertilizer apparatus is discharged into the screw conveying cylinder. The fertilizer and the straw are stirred by a left screw auger steel sheet and a right screw auger steel sheet which are located on the screw conveying roller, evenly mixed and jointly discharged into furrows made by the ditching device, so that the straw decomposition is accelerated, humification is conducted, and the soil structure is improved. According to the straw shredding and deep-burying and returning machine for improving the soil plough layer structure, one-time operation can finish the work of ditching, straw shredding, rotary tillage, fertilization, straw deep-burying, earthing and stubble cleaning, so that the labor intensity is reduced, the working efficiency is improved, and the production cost is reduced.

Description

Technical field: [0001] The invention belongs to the technical field of agricultural equipment, and in particular relates to a straw crushing and deep burial returning machine for improving the structure of the soil plow layer. Background technique: [0002] Straw returning to the field is a measure of fertilizing soil fertility and increasing production that is generally valued in the world today. It can increase fertilizer and increase production while eliminating the air pollution caused by straw burning. Straw returning can increase soil organic matter, improve soil structure, loosen soil, increase porosity, reduce capacity, and promote microbial activity and root development of crops. [0003] The publication number is CN103797907A, an invention patent titled "a stubble removal machine with a straw deep burial device", the stubble removal machine directly uses the stubble removal machine cutter shaft to carry out stubble removal and deep burial at the same time, and the...

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Problems solved by technology

[0003] The publication number is CN103797907A, an invention patent titled "a stubble removal machine with a straw deep burial device", the stubble removal machine directly uses the stubble removal machine cutter shaft to carry out stubble removal and deep burial at the same time, and the operation depth is shallow; the announcement number is CN205105562U , a utility model patent titled "Rotary Tillage Straw Deep Bury Returning Ditching Machine", the rotary tillage straw deep burial returning field ditching machine needs to be thrown out in the next operation after the straw is scattered into the furrow The soil will bury the straw deeply, the process of deep burying of the straw is complex, and the operating conditions are high; and the above-mentioned stubble cutter and ditching machine only realize a single function, so there is an urgent need for a device that can complete ditching, straw crushing, stubble removal, Rotary tillage and fertilization deep burial multifunctional integrated returning machine

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