Underground wrench device

The utility model provides an underground wrench device, which belongs to the technical field of mine appliances and comprises a sleeve part for screwing and unscrewing a bolt, a handheld part for driving the sleeve part to rotate and a connecting part for connecting the sleeve part and the handheld part, a pivoting piece is arranged at the tail end of the connecting part, and the handheld part is detachably connected with the pivoting piece. The connecting part and the pivoting piece are additionally arranged on the wrench, and the handheld part is detachably connected with the pivoting piece, so that the loosening and tightening operation of an underground bolt is realized; the device has the technical effects of simple structure, low cost, safe and quick construction and saving of material resources and manpower. 本实用新型提供一种井下用扳手装置，属于矿山用具技术领域，包括用于松紧螺栓的套筒部、用于带动套筒部转动的手持部，以及用于连接套筒部和手持部的连接部；在连接部的末端设置有枢接件，手持部与枢接件可拆卸连接。通过为扳手增加连接部与枢接件，并且通过手持部与枢接件可拆卸连接，实现对井下螺栓的松紧作业；具有结构简单，成本低，施工安全快捷，节省物力人力的技术效果。