Mining machinery digs stone arm

• Main Authors: WANG RUIQUAN, CHU LINJIE, ZHANG MENGMEI, LU MENGCHENG
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2018
• Subjects: DREDGING; EARTH DRILLING; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; MINING; MINING OR QUARRYING; SOIL SHIFTING

The utility model provides a mining machinery digs stone arm, includes the arm body and excavation board, and the lower extreme of second spring is equipped with first dead lever, and the left end offirst slide bar is equipped with first slider, and the outer wall of first slider is equipped with first spout, and the lower extreme that excavates the board is equipped with the second recess, and the lower extreme of second recess is equipped with the second nose bar, and the lower extreme of second nose bar is equipped with the cushion, and the lower extreme of cushion is equipped with first spring. This mining machinery digs stone arm, through the cooperation of first nose bar and first recess, through the cooperation of horizontal pole and third nose bar, through the cooperation of thirdnose bar and third recess, through the cooperation of first slide bar and head rod, through the cooperation of first slider and first spout, through the cooperation of second nose bar and second recess, through the spring act