Special portable heating equipment for railway

The utility model is suitable for the technical field of railways, and provides special portable heating equipment for railways, which comprises a rail fixedly connected with a cementing insulation joint clamping plate through bolts and nuts, and further comprises a moving trolley movably connected with the rail, an adjusting assembly is arranged on the moving trolley, a heat insulation sleeve is arranged on the adjusting assembly, and the heat insulation sleeve is connected with the rail through bolts and nuts. An electric heating plate is arranged on the heat insulation sleeve and electrically connected with a storage battery, and the storage battery is arranged on the moving trolley. Bolts and nuts are disassembled and assembled, then the moving trolley is moved to a preset position, the adjusting assembly drives the heat insulation sleeve to linearly move away from each other, the heat insulation sleeve drives the electric heating plate to abut against the cementing insulation joint clamping plate, the el