Chopper Sugarcane Combine Harvester with Middle-Mounted Primary Extractor
Conventional chopper sugarcane combine harvesters had numerous drawbacks, including high center of gravity, easy clogging, and high trash rate. In order to resolve these problems, a chopper sugarcane combine harvester with shorter roller train and primary extractor installed in the middle was designed in the present study. The proposed harvester was equipped with the roller train and billet transporters. Moreover, the structure of the primary extractor was improved, and its position was selected to address the issues of chopper harvesters. Performing the field experiment shows that the average traveling speed of the proposed machine was 2 km/h, while the average feed capacity was 5.5 kg/s. Furthermore, it was found that the qualified rate of the cutting height, rate of the broken perennial ratoon, total loss, trash rate, and the qualified rate of cane billets were 90.1%, 9.6%, 3.1%, 4.4%, and 92.1%, respectively. Field experiment showed that the proposed machine harvested 2 × 104 kg of sugarcane per hour, where the average harvesting cost was about 45 RMB per 1000 kg of the cane. It was found that the operating efficiency was approximately 200 times higher than that of the manual harvesting, while the corresponding costs were reduced by 55%–70%. Moreover, it was concluded that the proposed machine was superior over AS60 and 4GZQ-260 in terms of the harvesting performance and almost reached the level of them in regard to the economic performance.
KeywordsSugarcane Chopper harvester Roller train Primary extractor Harvesting
This research was supported by Science and Technology Program of Guangzhou (201807010084), National Key R&D Program of China (2016YFD0701202; 2018YFD0701105), Guangdong Provincial Team of Technical System Innovation for Sugarcane Sisal Industry (2019KJ104-11), and Sugar Industry Technical System Post Project of China (CARS-170402).
Compliance with Ethical Standards
Conflict of interest
Authors declare that there is no conflict of interest.
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