Rock breaking device

• Main Authors: LIANG JIANYI, ZHANG QIZHI, CHEN E, LONG RISHENG, LIU YU
• Format: Patent
• Language: Chinese; English
• Published: 19.01.2011
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model relates to the field of the excavation equipment, in particular to a rock breaking device for tunnel construction or roadway excavation, which comprises a rotary table, a rock breaking arm and a breaking hammer. One end of the rock breaking arm is connected with the rotary table, the other end of the rock breaking arm is connected with the breaking hammer, the rotary table is arranged on a carrier through a rotary support and is driven by a hydraulic cylinder or a hydraulic motor, the rock breaking arm adopts an elastic arm with an inner elastic arm and an outer elastic arm, and the outer end of the outer elastic arm is hinged with the rotary table and can realize the pitching of equipment in the vertical direction when driven by the hydraulic cylinder; and the end of the inner elastic arm of the rock breaking arm is hinged with the breaking hammer, and can flexibly adjust the impact angle of the breaking hammer when driven by the hydraulic cylinder. The utility model overcomes the defects o