一种低成本高承载机器人关节减速器结构
By combining four-point contact ball bearings with disc spring preload components in the robot joint reducer, the high cost of crossed roller bearings and the replacement problem after wear of integrated four-point contact ball bearings are solved, achieving the effects of low cost, high load capacity and high transmission accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- YU CHUAN (SHANGHAI) TRANSMISSION TECH CO LTD
- Filing Date
- 2026-06-18
- Publication Date
- 2026-07-17
AI Technical Summary
Existing crossed roller bearings are expensive to manufacture and difficult to assemble and maintain. Integrated four-point contact ball bearings are expensive to replace after wear and lack a dynamic compensation mechanism for axial clearance, resulting in a decrease in long-term operating stiffness.
The bearing uses a four-point contact ball bearing combined with a preload assembly. The preload assembly is a disc spring located between the secondary planetary carrier and the inner ring of the bearing. It compensates for axial clearance caused by temperature changes, load fluctuations, or long-term wear in real time, ensuring that the bearing maintains a four-point contact state under forward and reverse rotation and variable load conditions.
It reduces manufacturing costs, simplifies the maintenance process, extends the maintenance cycle, improves transmission accuracy and load-bearing stability, and reduces total life cycle costs.
Smart Images
Figure CN122407746A_ABST