Experimental research on grouser traction of deep-sea mining machine

doi:10.1007/s10483-015-1979-6

Applied Mathematics and Mechanics (English Edition) ›› 2015, Vol. 36 ›› Issue (9): 1243-1252.doi: https://doi.org/10.1007/s10483-015-1979-6

• • 上一篇

Experimental research on grouser traction of deep-sea mining machine

Wenbo MA, Qiuhua RAO, Kang FENG, Feng XU

School of Civil Engineering, Central South University, Changsha 410075, China

收稿日期:2014-10-20 修回日期:2014-12-05 出版日期:2015-09-01 发布日期:2015-09-01
通讯作者: Qiuhua RAO E-mail:raoqh@csu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (No. 51274251)

Experimental research on grouser traction of deep-sea mining machine

Wenbo MA, Qiuhua RAO, Kang FENG, Feng XU

School of Civil Engineering, Central South University, Changsha 410075, China

Received:2014-10-20 Revised:2014-12-05 Online:2015-09-01 Published:2015-09-01
Contact: Qiuhua RAO E-mail:raoqh@csu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (No. 51274251)

摘要/Abstract

摘要： 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.

关键词: deep-sea mining machine, grouser, traction test, simulative soil, deep-sea sediment, traction model

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.

Key words: deep-sea sediment, traction model, simulative soil, grouser, traction test, deep-sea mining machine

中图分类号:

Wenbo MA, Qiuhua RAO, Kang FENG, Feng XU. Experimental research on grouser traction of deep-sea mining machine[J]. Applied Mathematics and Mechanics (English Edition), 2015, 36(9): 1243-1252.

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Experimental research on grouser traction of deep-sea mining machine

Experimental research on grouser traction of deep-sea mining machine

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