Adapter device for rock drill

• Main Authors: CHENG YANRU, JIA XINHUA, KUANG HENG, ZHANG LAIXIN
• Format: Patent
• Language: Chinese; English
• Published: 05.07.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SHAFTS; TUNNELS

The utility model relates to a crossover coupling device for a rock drill, and belongs to the technical field of tunnel drill jumbo. According to the technical scheme, a swing telescopic mechanism drives an adapter (2-10) to stretch and swing, an anchor rod positioning head is arranged at the front end of the adapter (2-10), and a deflector rod (2-11) is arranged at the rear end of the adapter (2-10); an anchor rod positioning head at the front end of the adapter (2-10) is matched with the tail structure of the anchor rod, and the anchor rod (5) is positioned on the adapter (2-10) by using different anchor rod positioning heads according to different anchor rods and is connected with the output end (1-1) of the rock drill through the adapter (2-10). The rock drill has the advantages that the joint conversion device is used for automatically achieving conversion between the drill rod and the anchor rod, one rock drill is used for drilling and installing the anchor rod, space is saved, work efficiency is improv