METHOD FOR CALCULATING INTERACTION FORCE BETWEEN ROCK DIGGING CUTTER TEETH AND ROCK

• Main Authors: YIN, Jifu, WANG, Feixin, ZHOU, Zhongwei, LIANG, Xin, JIN, Peng, HONG, Guojun, LIU, Gongxun, LU, Yinsong, XIE, Kang
• Format: Patent
• Language: Chinese; English; French
• Published: 20.06.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

A method for calculating the interaction force between rock digging cutter teeth and rock in the technical fields of dredging engineering and rock cutting. The method comprises the following steps: determining the type of rock and rock digging cutter teeth; measuring the tensile strength and the compressive strength of the rock; measuring the tooth tip fillet of the cutter teeth; determining cutting angle and cutting depth related parameters; performing a test of linearly cutting rock with cutter teeth, and determining a relationship between the cross section area and the cutting depth of cut grooves; and calculating the interaction force, namely the cutting resistance, between the rock digging cutter teeth and the rock via a formula. The present invention establishes a model of the interaction force between cutter teeth and rock via the cross section area of cut grooves, the rock strength, the related cutting parameters and the like, and then estimates the cutting resistance of the cutter teeth cutting the r