Novel TBM shield hob device

The utility model discloses a novel TBM shield hobbing cutter device. Wherein the rolling wheel is arranged outside the rolling shaft in a sleeving mode, the lubricating cavity is formed between the periphery of the rolling shaft and the inner periphery of the rolling wheel, the sealing end covers are detachably connected with the rolling shaft and located at the two ends of the rolling wheel, andthe rolling column cavities are formed in the circumferential direction of the lubricating cavity side by side and used for containing a plurality of rolling columns. Wherein the steel ball cavitiesare formed between the roller cavities side by side and used for containing a plurality of steel balls, and the plug pin holes extend from the ends of the rollers, communicate with the steel ball cavities and are used for being plugged into the steel balls. And the sealing end cover blocks the pin hole and seals the lubricating cavity. The rolling shaft assembly precision and the strength of the rolling wheel are improved,