Expansion device for pipeline anti-corrosion heat shrinkable sleeve

The utility model relates to an expansion device for a pipeline anti-corrosion heat-shrinkable sleeve, which belongs to the technical field of expansion of pipeline anti-corrosion heat-shrinkable sleeves and comprises a main body, a fixing device is fixed at the upper end of the main body through bolts, and four first hydraulic rods transversely penetrate through the fixing device. A hydraulic rod base is fixed to one end of the first hydraulic rod through a bolt, a first reinforcing support is fixed to one side face of the fixing device through a bolt, a top plate is arranged at the other end of the first hydraulic rod, and a heating device is arranged at the upper end of the body. And by arranging a plurality of hydraulic jacks, uniform pressure can be provided during sleeving, and the problem of deformation caused by non-uniform stress of the shrinkage sleeve is solved. 本实用新型涉及一种管道防腐热收缩套扩张装置，属于管道防腐热收缩套扩张技术领域，该管道防腐热收缩套扩张装置包括主体，所述主体上端通过螺栓固定有固定装置，所述固定装置横穿有四个第一液压杆，所述第一液压杆一端通过螺栓固定有液压杆底座，所述固定装置一侧面通过螺栓固定有第一加强支架，所