| 摘要 |
PURPOSE: An arm for a rock drill rod storage is provided to prevent a leak of a hydraulic oil, and to adjust a position of a grip and an arm for a rod storage without disassembling a structure and a cylinder. CONSTITUTION: An arm (100) for a rock drill rod storage comprises a link body (110), a grip cartridge (120), and a combining unit (130). The grip cartridge comprises a cartridge base (121), a driving grip member (122), and a grip cylinder (123). The combining unit binds a rotating member and the cartridge base. The grip cartridge is capable of controlling a position to a radial direction of the cartridge base about the rotating member. |
