Grain crushing device for forage harvester

Abstract

The invention relates to a grain crushing device for a forage harvester. The grain crushing device comprises a lower material guiding cylinder, a grain crushing component, a sealing strip, an upper material guiding cylinder, a transmission mechanism and a standby material guiding cylinder; the grain crushing component is connected to a grain crushing fixing bracket, and can move forwards and backwards along the grain crushing fixing bracket to be fixed; when the grain crushing component is fixedly connected to the front end of the grain crushing fixing bracket, the lower material guiding cylinder is connected to the discharge opening of a shredding rotary drum on the forage harvester and the feed inlet below the gain crushing component, and the upper material guiding cylinder is connected with the feed outlet above the gain crushing component and the feeding opening of a throwing fan on the forage harvester. During work, feed is shredded through the shredding rotary drum, the shredded feed is conveyed to the grain crushing component through the lower material guiding cylinder in an upward throwing manner to be subjected to extrusion through two toothed round rollers, which rotate oppositely at high speed, of the grain crushing component, then part of feed is broken to realize crushing of part of grains, the feed is continuously thrown up to be conveyed to the throwing fan to be sped up through the upper material guiding cylinder, and finally the feed is thrown to a material receiving vehicle.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a grain crushing device for a forage harvester. Background technique [0002] At present, the existing feed harvester generally has a chopping drum. After the feed is chopped by the chopping drum, according to the different structure of the machine, some of the crushed feed is accelerated by the throwing fan set by the machine, and some of the crushed feed is directly Feed delivery is realized by the chopping drum. Depending on the maturity of the feed or the different requirements for the feed, a grain crushing device can be optionally added behind the chopping drum to crush the chopped feed and crush the feed grains. Some forage harvesters on the market do not have a grain crushing device at all, and the scope of application of these machines and equipment has been greatly limited; When the device does not need to work or breaks down, the grain crushing device cannot be ...

AI Technical Summary

Problems solved by technology

Some forage harvesters on the market do not have a grain crushing device at all, and the scope of application of these machines and equipment has been greatly limited; When the device does not need to work or breaks down, the grain crushing device cannot be easily removed from the working parts, and the power transmission of the grain crushing device cannot be easily disassembled.

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