Corn seedling weeding mechanism with synchronized running of stretching and rolling of weeding tooth roll

Abstract

The invention discloses a corn seedling weeding mechanism with synchronized running of stretching and rolling of a weeding tooth roll, and belongs to an agricultural machine; a stepping motor and a screw are assembled on a gear box; an active cylindrical gear and an drive cylindrical gear are respectively and fixedly installed on a motor shaft and a screw of the stepping motor and meshed to each other in the gear box; the shell body is assembled on the outer part of the screw, and fixedly installed on outside part of the gear box; an inside thread cylindrical telescopic arm is plugged on the shell, and is in threaded connection with the screw; a hanging arm of the active belt wheel is fixedly mounted on the shell body; the upper end of the link rod is eccentrically hinged with the active belt wheel through a pin shaft A, and the lower end of the link rod is hinged with an inside thread cylinder telescopic arm through a pin shaft B; a weeding tooth roll assembly is fixedly installed on the inside thread cylinder telescopic arm, and the driven belt wheel is fixedly installed on the weeding tooth roll assembly; the drive belt is sleeved on the active and driven belt wheels; the corn seedling weeding mechanism is new, reasonable and simple in structure, good in working synchronism, good in seedling injury rate, high in working quality, and less in using failure.

Description

technical field [0001] The invention belongs to agricultural machinery, and mainly relates to a mechanical weeding mechanism between corn seedlings. Background technique [0002] In recent years, mechanical weeding has gradually attracted people's attention due to its economical and environmental protection characteristics. The key to mechanical weeding is crop weeding between seedlings. Most of the existing weeding machines for weeding between seedlings are traditional comb-toothed and shovel-type, that is, weeding between seedlings is carried out by one or several groups of rotating shovels or combs. Traditional machines have a high rate of damage to seedlings and high power consumption, making it difficult to meet the development requirements of today's precision agriculture. In view of the above problems, the applicant has invented a lateral shrinkage intertillage and weeding unit, which can meet the requirements of precise weeding between seedlings of corn crops in nor...

AI Technical Summary

Problems solved by technology

The key to mechanical weeding is crop weeding between seedlings. Most of the existing weeding machines for weeding between seedlings are traditional comb-toothed and shovel-type, that is, weeding between seedlings is carried out by one or several groups of rotating shovels or combs. Traditional machines have a high rate of seedling injury and high power consumption, which is difficult to meet the development requirements of today's precision agriculture

In view of the above problems, the applicant has invented a lateral shrinkage intertillage and weeding unit, which can meet the requirements of precise weeding between seedlings of corn crops in northern my country, but has the disadvantages of complex mechanism and low operating efficiency.

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