Pipeline clamp for overhauling boiler of thermal power plant

The utility model discloses a pipeline clamp for overhauling a boiler of a thermal power plant. In the maintenance process in the prior art, the models and heights of boiler pipelines are different, conventional tools of the boiler pipelines are not matched, maintenance errors are caused, and the use safety of the boiler is affected. The device comprises a lifting table (7) and a connecting rod (14), a second motor (12) is fixed to the rear side of the lifting table, the driving end of the second motor is connected with one end of a first threaded rod (16), the outer side of the first threaded rod is in threaded connection with a first clamping block (3), the other end of the first threaded rod is connected with a first bevel gear (19), and the first bevel gear is meshed with a third bevel gear (22); the third bevel gear is meshed with a second bevel gear (21), the second bevel gear (21) is connected to one end of a third threaded rod (18), the outer side of the third threaded rod is in threaded connection wi