Fixing device for low-temperature immersed pump

The utility model discloses a fixing device for a low-temperature immersed pump, and belongs to the field of low-temperature storage tanks. The technical problems that according to an existing fixing device for the immersed pump, the immersed pump easily vibrates, and overhauling is difficult are solved. According to the adopted technical scheme, the fixing device for the low-temperature immersed pump structurally comprises an outer shell, an end cover and the immersed pump, wherein the end cover is connected with the outer shell, and the immersed pump is arranged inside the outer shell and fixed to the end cover. A radial positioning mechanism is arranged between the outer shell and the immersed pump and structurally comprises a wedge block and a locking device, wherein the wedge block is arranged and positioned between the immersed pump and the outer shell, one end of the locking device is connected with the wedge block, the other end of the locking device is connected with the end cover, and the radial pos