Device for assisting in dismounting and decomposing drill rod in tunnel surrounding rock drilling construction

The utility model discloses a device for assisting in dismounting and decomposing a drill rod in tunnel surrounding rock drilling construction, and relates to the technical field of tunnel surrounding rock anchoring, the structure of the device comprises a propelling beam, a first clamping mechanism and a second clamping mechanism, the first clamping mechanism comprises two clamping heads which are symmetrically arranged, a clamping area is formed between the two clamping heads, and the second clamping mechanism comprises a second clamping head and a third clamping head; the two clamping heads can get close to each other or get away from each other; the second clamping mechanism and the first clamping mechanism are the same in structure, and the clamping area of the second clamping mechanism directly faces the clamping area of the first clamping mechanism. The first clamping mechanism is fixedly installed on the propelling beam, the second clamping mechanism is rotatably connected with the propelling beam, an