Temporary support for prior simply supporting and rear continuing system bridge

The utility model provides a temporary support for a prior simply supporting and rear continuing system bridge and relates to the temporary support used before the system conversion of a prior simply supporting and rear continuing bridge structure. The temporary support is mainly designed for solving the problems that the presently adopted sulfur mortar method is complex in process, the time for fusing the sulfur mortar by using a resistance wire is long, the energy resource is wasted and the construction is prolonged. The temporary support comprises an outer casing pipe and an inner casing pipe, wherein the outer casing pipe is sleeved on the exterior of the inner casing pipe; a plurality of bolt holes are arranged at the bottom of the outer casing pipe; each bolt hole is welded with a nut; each nut is connected with a bolt; a steel plate is fixed at the bottom of the inner casing pipe; and the bottom of the inner casing pipe is tightly sealed by the steel plate. The temporary support has the advantages of s