Farmland soil gravel picking, smashing and field returning device

Abstract

The invention relates to the technical field of agricultural machinery, in particular to a farmland soil gravel picking, smashing and field returning device. The device comprises a soil inserting part, a soil sieving part, and a smashing and field returning part, the soil inserting part comprises an soil inserting shovel, the soil sieving part comprises a soil sieving drive roller, a soil sievingdriven roller and a soil sieving bar screen, and the smashing and field returning part includes a soil smashing roller, a soil smashing roller fixing plate and first grade / second grade soil smashing baffles. The depth of soil insertion of the soil inserting shovel is adjusted by adjusting the depth of front limited depth wheel sets; a gap is reserved between the soil inserting shovel and the soilsieving bar screen to facilitate the sieving of fine soil particles; the soil sieving bar screen transports stones to the smashing and field returning part; the gaps between the first grade / second grade soil smashing baffles and the soil smashing roller are adjustable; the soil smashing roller and the soil smashing roller fixing plate are staggeredly provided with soil smashing moving blades and soil smashing fixed blades, the soil smashing moving blades and the soil smashing fixed blades are arranged staggeredly, the soil smashing roller fixing plate is provided with grid gaps, the broken stones drop to the ground through the grid gaps, and the stones which cannot drop to the ground continue to be broken in an inner cavity of the smashing and field returning part until all the stones dropto the ground.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a device for picking up, pulverizing and returning farmland soil gravel. Background technique [0002] In the process of farmland soil transformation, most of the soil in the Gobi Desert, piedmont, and hills contains a certain amount of gravel (stones) of different sizes. These gravels have seriously affected agricultural machinery (rotary tillers, subsoilers, machine, fertilizer applicator, etc.), and sandy soil is conducive to the loosening of the soil and ventilation from top to bottom. Therefore, it is necessary to pick up, crush and return the gravel in the crop layer. [0003] In the existing agricultural machinery production practice, there is only a stone picking machine, which picks up the large stones on the soil surface and unloads the stones on the ground. Since the stones are crushed and returned to the field, it is conducive to the loosening of the ...

AI Technical Summary

Problems solved by technology

[0005] In view of the problems existing in the existing production practice, the purpose of the present invention is to provide a device for picking up and crushing farmland soil gravel and returning it to the field, which is used to solve the problem of excavating the plow layer soil, separating the soil from the stones, and then crushing the stones , and adjust the size of the crushed stones, and finally return the crushed sand to the field.

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