Mechanical arm device for underground coal mine

• Main Authors: ZHANG ZHIFENG, GUO KAI, XING JIANJUN, ZHANG AIMIN, LI DONGQING, ZHAI DEHUA, NIU NAIPING, CUI SHIJIE
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2019
• Subjects: CHAMBERS PROVIDED WITH MANIPULATION DEVICES; HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TRANSPORTING

The invention discloses a mechanical arm device for an underground coal mine. One end of a supporting column is rotationally arranged on a base, one end of a big arm is connected with the other end ofthe supporting rod through a first pin shaft, and the cylinder barrel end of a first oil cylinder is in shaft connection with the side wall of the supporting rod. The piston rod end of the first oilcylinder is connected with the big arm, one end of the small arm is connected with the other end of the big arm through a second pin, the cylinder barrel end of a second oil cylinder is in shaft connection with the large arm, and the piston rod end of the second oil cylinder is connected with one end of the small arm. A gripper component is connected with the other end of the small arm through a connecting component. The connecting component comprises a connecting rod, a first motor driving part and a second motor driving part. The gripper component is arranged on the connecting rod, the firstmotor driving part is used