Multi-degree-of-freedom load-bearing self-locking artificial joint

Abstract

The invention provides a multi-degree-of-freedom load-bearing self-locking artificial joint. The multi-degree-of-freedom load-bearing self-locking artificial joint comprises an upper connecting rod, a shell, a movable ball, an upper spring, a lower spring and a lower connecting rod, wherein the upper connecting rod is arranged at the top end of the shell; the movable ball is arranged inside the shell; the top of the movable ball is connected with the connecting rod; the bottom of the movable ball is connected with the lower connecting rod; the upper spring and the lower spring are arranged between the lower connecting rod and the shell. The multi-degree-of-freedom load-bearing self-locking artificial joint provided by the invention has good damping and buffering functions and high flexibility, and meanwhile a load-bearing self-locking function can be realized.

Description

technical field [0001] The invention relates to a shock-absorbing, buffering and load-bearing self-locking multi-degree-of-freedom load-bearing self-locking artificial joint, which is suitable for fields such as robots and automobile industries. Background technique [0002] The bones of the human body play a role in supporting the body and are part of the human movement system. Adults have 206 bones. Bones are generally connected by joints and ligaments. The basic theory applied in joint design is developed by knowledge of the anatomical structure, kinematic characteristics and biomechanics of human body joints. In the movement of existing mechanical components, the ball joint can rotate and flip, can rotate flexibly, and has multiple degrees of freedom. Ball joints are the most commonly used mechanical structural parts in auto parts. It is often used in suspension swing arms, steering knuckles and other parts. [0003] The load-bearing self-locking device is widely us...

AI Technical Summary

Problems solved by technology

[0004] Chinese patent CN101486193A discloses a ball joint drive mechanism, the joint has good radial stiffness, can be twisted axially, and has good deflection performance, but does not have the load-bearing self-locking function

Similarly, Chinese patent CN2269491Y discloses an artificial joint, which has good shock absorption and buffering effect, but cannot better realize the load-bearing self-locking function

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