A crawler-type secondary straw crusher

Abstract

The invention discloses a crawler-type secondary straw grinder, which comprises a frame, a cutting device, a double-screw feeding device, a dehydration device, a primary crushing device, a secondary crushing device, a transmission device, a walking device, an engine and a driver's cab ;The cutting device, the double screw feeding device, the dehydration device, the primary crushing device and the secondary crushing device are arranged between the cab and the running device, and are arranged in sequence from the head end to the tail end of the frame; the engine is fixed on the running device The power of the engine is transmitted to the cutting device, double-screw feeding device, dehydration device, primary crushing device and secondary crushing device through the transmission device; the straw passes through the cutting device, double-screw feeding device, dehydration device, primary crushing device in sequence The cutting, feeding, dehydration, primary crushing and secondary crushing processes completed by the crushing device and the secondary crushing device can increase the crushing particle size of coarse straw, which is suitable for crushing and returning banana stems to fields in main banana production areas and promoting banana planting household income.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a crawler-type secondary straw grinder. Background technique [0002] In 2014, the total banana planting area in China was about 402,300 hm 2 , Banana stems are a large amount of agricultural waste after harvesting bananas. If the mass ratio of banana stem waste to banana production is 2.4, about 21 million tons of banana stem waste will be produced every year. Due to the high moisture content of banana stems, the thick and scattered distribution of banana stems, the high cost of manual treatment, and the lack of suitable mechanized stem processing equipment, banana stem waste disposal has become a major problem. Banana stem wastes can be partially used as fertilizers, and most of them are piled up in the fields for incineration or natural decay. The orchard has become a source of transmission of banana diseases and insect pests. [0003] The technology of crush...

AI Technical Summary

Problems solved by technology

[0004] The traditional straw grinder pushes down the straw and pulls it with a tractor, and crushes the straw with a knife at the bottom. It has a better crushing effect on small stems, such as corn straw, but the crushing effect on banana straw with thick stems is not good. Not very good, thick stalks have higher requirements for crushing tools, and one-time crushing cannot completely cut off the banana stalks, resulting in most stalks being broken and connected, making the straws completely rot in the ground for a long time, which has a certain impact on soil fertilization , and the tractor engine power is limited

Images