Stable bearing table

The invention discloses a stable bearing table which comprises a fixing seat, a rotary sleeve, a rotary shaft and a connecting assembly, wherein the rotary sleeve is arranged on the fixing seat and in running fit with the rotary sleeve; the connecting assembly is arranged at the front end of the rotary shaft and comprises a plurality of connecting arms; hanging pins are arranged on the connecting arms; positioning grooves are formed in the rotary sleeve; sliding grooves are formed in the rotary shaft; sliding keys are arranged in the sliding grooves; a connecting rod is connected onto the fixing seat; and an auxiliary rotary sleeve is arranged on the connecting rod and matched with the rear end of the rotary shaft. The stable bearing table provided by the invention has the advantages that when one connecting arm rotates to a working position, an operator can push forward the corresponding sliding key on the rotary shaft, so that the sliding key can be matched with the corresponding positioning groove in the r