RV speed reducer and industrial robot

The utility model discloses an RV speed reducer and an industrial robot, and relates to the technical field of speed reducers, the RV speed reducer comprises a pin wheel housing, a planet carrier, a cycloidal gear and a plurality of crankshafts, the planet carrier is arranged in the pin wheel housing, the planet carrier comprises an output shaft and a supporting flange, the output shaft comprises a plurality of supporting columns, and the supporting columns are connected with the supporting flange; the plurality of crankshafts are rotatably supported on the planet carrier, and each crankshaft comprises an eccentric part; the cycloidal gear is connected with the eccentric parts of the crankshafts so as to be capable of swinging and rotating in the pin wheel housing, the cycloidal gear is provided with a plurality of first through holes matched with the supporting columns in number, and the cycloidal gear is arranged on the supporting columns in a penetrating mode through the first through holes; wherein the ec