Depth-limit digging mechanism of combined garlic harvester

Abstract

The invention relates to a depth-limit digging mechanism of a combined garlic harvester and belongs to the technical field of agricultural machinery. The depth-limit digging mechanism is characterizedin that a header supported on depth wheels on two sides is mounted at the front end of the harvesting rack of the depth-limit digging mechanism, digging shovels extending forwards are mounted below the header, and dividers and supporters are mounted at the front end of the header; the digging shovels are hinged to the lower ends of front hanging rods and vibration drive plates, the upper ends ofthe front hanging rods and the vibration drive plates are hinged to the lower portion of the harvesting rack, the middles of the vibration drive plates are hinged to the front ends of vibration driverods, and the rear ends of the vibration drive rods are in transmission connection with eccentric vibration drive wheels driven by a power source, and the depth wheels are mounted at the lower end ofa depth wheel rack which inclines backwards and downwards and located at the rears of the handles of the vibration digging shovels. During harvesting, the high-frequency vibration of the vibration digging shovels can achieve labor-saving soil breaking and digging, and sticky soil at garlic fibrous roots can be loosened effectively through vibration; the depth wheels can not only limit digging depth but also press sundries such as mulching films hooking to the handles of the digging shovels, and mulching film intertwining can be avoided effectively.

Description

technical field [0001] The invention relates to a harvester, in particular to a depth-limiting excavation mechanism of a garlic combine harvester, belonging to the technical field of agricultural machinery. Background technique [0002] Garlic is one of the important economic crops, and its harvesting process includes digging and laying, cutting seedlings, cutting roots, removing soil and cleaning, and collecting and bagging. [0003] The typical structure of the existing garlic harvesting equipment is disclosed in the Chinese patent document with the application number 2018111991152. The depth-limiting excavation mechanism of the multi-row garlic combine harvester includes a chassis, an excavating shovel, a grass introduction device, a soil cleaning device, a flexible clamping device, a cutting Seedling device, seedling dropping device, conveying tray, collecting and cleaning device, collecting port and garlic collecting device; the grass guiding device located at the front...

AI Technical Summary

Problems solved by technology

In this technical solution, the motor drives the vibrating rod to reciprocate along its axial direction through the eccentric driving vibration wheel. Although the impact force during reciprocation overcomes the soil resistance and makes the soil more labor-saving, the disadvantage is that it has little effect on removing garlic whisker clay, and every The rows are driven by their own motors through independent vibration-driving mechanisms. Since the speeds of the motors cannot be completely consistent, and the phase of the eccentric driving vibration cannot be adjusted, the vibration of the whole machine is uncontrollable, and resonance will occur periodically. Tests have shown that it is easy to cause The equipment is damaged; in addition, the fixed cutting blade on the shovel handle is unsupported cutting, which cannot cut off the dragged residual film and other sundries

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