Device for cleaning pipe orifice of electric heating element of electric heater of voltage stabilizer

The invention belongs to the technical field of nuclear power station maintenance, and particularly relates to a voltage stabilizer electric heater electric heating element pipe orifice cleaning device which comprises an alloy tool bit and a clamp, the alloy tool bit comprises a blade face, a chip groove and a tool apron, and the clamp comprises a clamping pin seat, a connecting rod and a chuck; the alloy tool bit is located above the clamp, the multiple sets of spiral chip grooves are evenly formed in the outer edge of the alloy tool bit, the multiple sets of blade faces are evenly arranged on the upper end face of the alloy tool bit, and the tool apron is connected to the lower end face of the alloy tool bit. The clamping pin seat is connected to the upper end of the connecting rod; and the tool apron is detachably connected with the bayonet pin seat. According to the device, the sealing material in the pipe orifice of the electric heating element can be quickly cleaned on the basis of not damaging the wiri