Agricultural straw turning and burying machine combining spinning and throwing

Through multi-stage crushing and dynamic screening design, the problem of insufficient straw crushing is solved, and the straw is evenly distributed and efficiently decomposed in the soil, thus improving the soil improvement effect.

CN121533264AActive Publication Date: 2026-02-17JILIN AGRICULTURAL UNIV
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Patent Information

Application Number
CN202511872594.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-12
Publication Date
2026-02-17
Estimated Expiration
2045-12-12

AI Technical Summary

Technical Problem

During the crushing process, existing straw turning and burying machines often fail to fully crush the straw, leading to entanglement in the plow body, equipment blockage, and uneven distribution of straw in the soil, which affects the rate of decomposition and soil improvement.

Method used

It adopts a multi-stage crushing structure and dynamic screening design, including a crushing shaft, a crushing shaft, a linkage component, a baffle plate, and a feeding component, to realize multiple crushing and screening of straw, ensuring uniform straw particle size and distribution.

Benefits of technology

It improves the thoroughness of straw crushing and the smoothness of straw turning and burying operations, enhances the efficiency of straw decomposition in the soil and the soil improvement effect, and reduces the risk of equipment blockage.

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Abstract

The invention relates to the technical field of agricultural machinery, and discloses a rotating and throwing combined agricultural straw turning and burying machine which comprises a machine shell and a transfer case arranged on the machine shell, a material crushing shaft matched with the transfer case is installed on the inner side of the machine shell, and a plurality of moldboards distributed in a linear array mode are fixedly installed at the end, away from the material crushing shaft, of the inner wall of the machine shell. And two material crushing boxes are symmetrically and fixedly mounted at the positions, between the material crushing shaft and the moldboard, of the inner wall of the machine shell. According to the straw secondary fine smashing device, a multi-stage smashing structure of the smashing shafts and the double smashing boxes is adopted, the smashing shafts conduct primary smashing on straw and guide the straw to the smashing boxes through airflow, then the linkage assembly is driven by the smashing shafts to drive the multiple sets of smashing shafts and smashing blades to rotate synchronously, secondary fine smashing of the straw is achieved, and compared with traditional single-stage smashing equipment, the straw secondary fine smashing device has the advantages that the smashing efficiency is high; the problem of insufficient straw smashing is solved, the length of straw fibers is reduced, the contact area of the straw and soil is increased, a foundation is laid for subsequent decomposition and conversion into organic fertilizer, and the resource utilization efficiency of straw returning to the field is improved.
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