Abstract
The traction characteristics of the grouser, cutting the simulative soil of deep-sea sediment, with different tooth widths, tooth heights, and ground pressures are studied with traction characteristic test apparatus. A traction-displacement model is obtained by combining the analysis of the cutting mechanism. The results show that the traction-displacement curves of grousers with different tooth widths, tooth heights, and ground pressures have the same changing trend, which matches the Wong traction model. Their sensitivity coefficient and shear modulus are slightly fluctuated. Therefore, the average values can be used as the traction model parameters. The maximum traction of the grouser with a two-side edge and a 10mm tooth width increment changing with the tooth height and ground pressure can be determined according to the grousers with different tooth widths. By combining the traction model parameters, the traction-displacement curve of the grouser with a certain group values of tooth width, tooth height, and ground pressure can be predicted. Therefore, the slip of the mining machine can be prevented to improve the mining efficiency.
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Project supported by the National Natural Science Foundation of China (No. 51274251)
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Ma, W., Rao, Q., Feng, K. et al. Experimental research on grouser traction of deep-sea mining machine. Appl. Math. Mech.-Engl. Ed. 36, 1243–1252 (2015). https://doi.org/10.1007/s10483-015-1979-6
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DOI: https://doi.org/10.1007/s10483-015-1979-6