Herringbone tooth planetary reducer

The utility model discloses a herringbone tooth planetary reducer. The device is including setting up the sun gear at planetary reducer's middle part, and the one end of sun gear is outer spline struvture's input, and the other end is the herringbone tooth gear, and the herringbone tooth gear of sun gear passes through herringbone tooth planet wheel and meshes mutually with the herringbone tooth ring gear, herringbone tooth planet wheel is installed at the planet epaxially through two self -aligning roller bearing, the herringbone tooth ring gear is fixed between box and casing, and the planet axle passes through lock nut fixed mounting on the planet carrier, and the planet carrier is exported the spline other end and is the output through the end connection of inside and outside cydariform tooth with the output spline. The utility model has the characteristics of the contact ratio and overlap ratio is high, bearing capacity is strong, transmission power is big, no axial force, transmission stationarity and performance and output torque's the ability of all carrying are higher etc, sun gear, herringbone tooth planet wheel and herringbone tooth ring gear all adopt composite structure and planet carrier to float, and compact structure is simple, has effectively reduced planetary reducer's volume and weight.