Combined directly-buried telescopic compensator

The utility model discloses a combined directly-buried telescopic compensator, and belongs to the technical field of compensators. Comprising a first connecting pipe, a second connecting pipe is arranged at one end of the first connecting pipe, corrugated pipes are arranged on the surfaces of the first connecting pipe and the second connecting pipe, and first protective sleeves are arranged at the ends, close to each other, of the first connecting pipe and the second connecting pipe; through the arrangement of the detachable assembly, replacement of the first connecting pipe and the second connecting pipe is achieved, the situation that the whole device is scrapped due to the fact that one of the first connecting pipe and the second connecting pipe is damaged is avoided, the damaged first connecting pipe and the damaged second connecting pipe can be detached and replaced, cost is saved, and practicability is high. By arranging the buffering assembly, buffering of external force stretching or extruding is achi