A highly automated industrial robot

By setting up a lubricating oil supply channel on the cage of the crossed roller bearing and using a connector made of shape memory alloy, self-circulating lubricating oil is achieved, which solves the problem of easy damage to bearings in industrial machinery, improves operating accuracy and reliability, and simplifies the maintenance process.

CN122165484APending Publication Date: 2026-06-09WUHAN YUSHENG AUTOMATION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN YUSHENG AUTOMATION EQUIP CO LTD
Filing Date
2026-04-09
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing industrial robotic arms use cross roller bearings that are prone to damage, leading to decreased motion accuracy and stability. Furthermore, the lubrication components have complex structures, are difficult to assemble, and have limited service life.

Method used

A lubricating oil supply channel is set on the cage of the crossed roller bearing. The movement of the clamping block is controlled by a connector made of shape memory alloy to achieve self-circulation lubrication of the lubricating oil. The flow of lubricating oil is optimized by a swing plate and a stop block to buffer the impact force between the cage and the roller.

Benefits of technology

It improves the operational stability and precision of crossed roller bearings, reduces assembly difficulty, extends service life, and simplifies maintenance.

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    Figure CN122165484A_ABST
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Abstract

The application relates to the field of industrial robots, in particular to a highly automated industrial manipulator. The industrial manipulator comprises a base, a rotary table and a mechanical arm, the rotary table is rotationally arranged on the base, the mechanical arm is arranged on the rotary table, a cross roller bearing is arranged between the rotary table and the base, the cross roller bearing comprises an outer ring, an inner ring, rolling elements and a retainer, the retainer comprises a fixed block and two clamping blocks, the two clamping blocks are slidingly inserted into two ends of the fixed block, a liquid storage cavity is formed between the clamping blocks and the fixed block, a liquid inlet channel is arranged on the side wall of the fixed block, a liquid outlet channel is arranged in the clamping block, a connecting piece is arranged between the clamping block and the fixed block, and the connecting piece is made of a shape memory alloy. The lubricating oil supply channel is arranged on the retainer, the structure of the retainer is optimized, the self-circulation of the lubricating oil is realized, the integrity of the running raceway is maintained, the running of the rolling elements is more stable and reliable, the structure is simple, the assembly difficulty is low, and maintenance is convenient.
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