Six-head spiral rotary tillage stubble cleaning grass burying knife roll

Abstract

The invention relates to a six-head spiral rotary tillage stubble cleaning grass burying knife roll, and solves the problems of low crushing rate and burying rate and high operation power consumptionof a prior knife roll. According to the technical scheme, the knife roll comprises a knife shaft and a plurality of rotary tillage knife groups arranged on the knife shaft in the axial direction; a secondary knife group with the same slip cutting angle is arranged between two adjacent rotary tillage knife groups, the second knife group with the same slip cutting angle consists of two secondary cutting knives with the same slip cutting angle arranged around the radial direction of the knife shaft, and the included angle of the two adjacent secondary cutting knives with the same slip cutting angle is 180 degrees; the rotary tillage knife group consists of four rotary tillage knives arranged around the radial direction of the knife shaft, and any two adjacent rotary tillage knives are with the opposite rotating directions and the included angle is 90 degrees. The device is simple in structure and stable in operation, is applicable to operations in paddy fields and dry fields, improves thecrushing rate and burying rate of straws, reduces the operation power consumption, and is difficult in winding grass.

Description

technical field [0001] The invention relates to an agricultural machine, in particular to a six-head spiral rotary tiller, stubble removal, stubble removal and grass burying knife roller. Background technique [0002] As an important part of conservation tillage, straw crushing and returning to the field can effectively solve the problem of environmental pollution caused by straw burning, and it can also play a role in water retention, soil moisture conservation, promotion of microbial activities, and reduction of chemical fertilizer usage. The straw crushing and returning machine is one of the main machines for straw crushing and returning to the field. The structure and design parameters of the cutter roller have a direct impact on the operation performance and effect of the whole machine. [0003] The traditional rotary cultivator cutter rolls include left and right cutter rolls, which are output to the left and right cutter rolls after the tractor outputs power to the ge...

AI Technical Summary

Problems solved by technology

In response to this problem, technicians have carried out various researches. For example, the application number is 201410436141.8, which discloses a combined straw returning rotary blade roller. The straw crushing rate, burying rate, and grass entanglement problem are also greatly reduced, but in actual operation, it is also found that due to the existence of the grass burying knife, the power consumption of the tractor is relatively large, especially in the case of dry operation, the power consumption of the operation is significantly increased.

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