Joint power unit and mechanical arm applying same

• Main Authors: WANG XINGXING, YUE DONGFENG
• Format: Patent
• Language: Chinese; English
• Published: 07.01.2022
• Subjects: CHAMBERS PROVIDED WITH MANIPULATION DEVICES; HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TRANSPORTING

The invention relates to the technical field of robot equipment, and discloses a joint power unit and a mechanical arm applying the same. The joint power unit comprises a fixing base, a motor unit and a speed reducer unit, the motor unit and the speed reducer unit are arranged in the fixing base, the speed reducer unit comprises an inner gear ring, a flexible outer gear ring arranged on the inner side of the inner gear ring and a cam arranged on the inner side of the flexible outer gear ring, the flexible outer gear ring sequentially comprises a meshing part, a flexible connecting part capable of generating deformation and an output part, the meshing part is in meshing transmission with the inner gear ring, and the number of teeth of the meshing part is smaller than that of teeth of the inner gear ring; the cam abuts against the meshing part and rotates relative to the meshing part so as to drive the meshing part to roll on the inner side of the inner gear ring; when the inner gear ring is fixed, the meshing