Cantilever is five

The utility model relates to a cantilever is five, including the DDR four -axis, the wobbling is installed in five epaxial axle suspension arms of DDR four -axis output, five axle suspension arms include the casing and arrange the ring flange subassembly of keeping away from the output shaft of DDR four -axis in the casing from last in to dividing into, the harmonic speed reducer machine, still beprovided with a main shaft and the quick -witted parallel and servo motor that be close to the output shaft of DDR four -axis of shaft part of harmonic speed reducer in the casing, servo motor's theoutput and the input of harmonic speed reducer machine are connected through a pulley assembly, the ring flange subassembly is connected with the output of harmonic speed reducer machine, there is a cavity threading tube to locate the centre of harmonic speed reducer machine and ring flange subassembly, install the trachea in the cavity threading tube. Cavity threading tube is provided with in themiddle of this cantilever