Engine rotor spring lock ring blind cavity assembling device

The invention discloses an engine rotor spring lock ring blind cavity assembling device which comprises a fixed shaft sleeve, a mounting shaft is arranged in the fixed shaft sleeve, and the mounting shaft can axially move along the interior of the fixed shaft sleeve and can circumferentially rotate; a spring locking ring tensioning assembly is arranged at the end of the mounting shaft, driving ends are arranged on the two sides of the spring locking ring tensioning assembly, the driving end on one side is connected with a first tensioning block, the driving end on the other side is connected with a second tensioning block, and the first tensioning block and the second tensioning block are used for fixing a spring locking ring to be mounted in a matched mode. According to the device disclosed by the invention, the situation that the spring locking ring is opened manually and extends into a deep cavity for blind installation originally is replaced, the difficulty of manual installation on site is reduced, and t