一种集成被动柔顺与力矩传感功能的差动二自由度关节和机器人

By employing a coaxial back-to-back layout and elastic drive bevel gear design in the robot joints, the challenges of structural complexity and torque sensing were solved, achieving compact, safe, and efficient robot motion control.

CN121608196BActive Publication Date: 2026-07-17XI AN JIAOTONG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XI AN JIAOTONG UNIV
Filing Date
2026-01-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing robot joints are complex, lack flexibility and compactness, and are difficult to integrate torque sensing functions, resulting in insufficient robot load capacity and human-robot interaction safety.

Method used

The drive unit, which adopts a coaxial back-to-back layout, is directly connected to the drive bevel gear, eliminating the redundant transmission chain. The drive bevel gear is designed as an elastic element, and a deformation sensing device is attached to its surface to achieve passive compliance and torque sensing.

Benefits of technology

It achieves a compact and lightweight joint structure, improves the robot's load capacity and human-robot interaction safety, provides a highly integrated torque measurement solution, and enhances kinematic and dynamic performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121608196B_ABST
    Figure CN121608196B_ABST
Patent Text Reader

Abstract

本发明公开了一种集成被动柔顺与力矩传感功能的差动二自由度关节和机器人,属于机器人技术领域。该包括驱动单元、具有弹性结构的驱动锥齿轮、形变传感装置、输出锥齿轮与其他连接件。驱动单元由永磁同步电机与减速器组成;驱动锥齿轮由轮毂、轮缘和弹性轮辐组成。两个驱动单元位于驱动锥齿轮之间,实现了紧凑的布局。当关节传递力矩时,弹性轮辐产生弹性形变,一方面为关节提供了被动柔顺性,另一方面该形变可通过传感装置进行检测,以实现力矩传感。本发明通过将弹性与传动功能集成于原本功能单一的齿轮部件,并优化驱动单元布局,解决了现有技术中关节结构复杂、柔顺性与紧凑性难以兼顾以及力矩传感难以集成的问题。
Need to check novelty before this filing date? Find Prior Art