Two-stage planetary reducer

• Main Authors: CHU XIAOJIE, HAO MING, XU QIANG, LI JING, CHEN SHUCAI
• Format: Patent
• Language: Chinese; English
• Published: 21.01.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model belongs to the technical field of speed reducers, and particularly relates to a two-stage planetary speed reducer which comprises a box body. A gear shaft; the first planet carrier is used for rotationally fixing the first planet gears and is fixedly connected with the box body, the inner side and the outer side of each first planet gear are meshed with the first sun gear and the first inner gear through gears respectively, and the first sun gears and the gear shaft are coaxial and are arranged at intervals through a gap; the second planet carrier is used for rotationally fixing the second planet wheel and is meshed with the first sun wheel through a gear; each second planet wheel is meshed with the outer teeth on the gear shaft through a gear, and is meshed with the second inner gear through a gear; wherein the second inner gear is fixedly connected with the first inner gear, and the first inner gear extends towards the box body and is rotationally connected with the box body through a bear