The Improving And Experimental Study Of 9R-40 Type Tearing Chopper

Tearing chopper straw stalk processing machines and tools which machine is promotes vigorously in the last few years,This has the positive role to enhanced the straw stalk material the use factor and the expanded forage grass resources. It has the very realistic research value to develop the animal husbandry and the protection environment breaks up by improving tearing chopper machine the performance parameterThis article launches the research, in view of this type existence the electricity output somewhat low, breaks up by rubbing when the quality not ideal, the work easy to have questions and so on jamming phenomenon, take Inner Mongolia agricultural college machine shop's 9R-40 type tearing chopper as the prototype. This article proposed the improvement opinion to this machine, in rubs the processing process through the material the theoretical analysis, and unifies the similar type the related research material, around, and to improves the machine to conduct the experimental study.This article has promulgated the basic rule which the agricultural material breaks up by rubbing, proposed rubs breaks up by tearing chopper the productivity and the spindle speed, the load power and the spindle speed reciprocity as well as with its related parameter between inherent law through the above research theory, the fitted curve correlation coefficient respectively achieves 0.83 and 0.81 through analysis result and the processing data.To this type's concrete improvement opinion is: reduces breaks up by rubbing machine the spindle speed; Changes the primitive prototype's hammer tooth gap along the main axle direction uniform distribution along the main axle from feeds the entrance to throw delivers the arrangement way which the mouth reduces gradually. Is breaking up by rubbing indoor approaches throws delivers the mouth place addition to rotary cutter and the fixed cutter to use for the adjusting work. After the improvement tearing chopper ,the productivity of the increased range is 5.5%, the electricity output increased range is 68.9%, breaking up by rubbing the degree raised 8.2 percentage points and compares to the before the improvement type. The findings provide the foundation to the research work of the tearing chopper , and will give the advisory opinion to design the tearing chopper in the future.