Three-degree-of-freedom parallel mechanism ankle joint recovery device

Abstract

The invention provides a three-degree-of-freedom parallel mechanism ankle joint recovery device, and belongs to the technical field of recovery engineering. The three-degree-of-freedom parallel mechanism ankle joint recovery device comprises a pedal, an L-shaped connection plate, a U-shaped connection plate, a supporting rod, a slide block, a guide rail, a support, a supporting seat, a bottom plate and three branched chains. Rotation pairs are formed between the pedal and the L-shaped connection plate, between the L-shaped connection plate and the U-shaped connection plate as well as between the U-shaped connection plate and the support. The first branched chain and the second branched chain are connected with the pedal through spherical hinges, and connected with the bottom plate throughhooke joints; the third branched chain is connected with the U-shaped connection plate through one rotation pair, and connected with the bottom plate through another rotation pair. The first branchedchain, the second branched chain and the third branched chain form a spatial parallel mechanism which has three rotation degrees of freedom. The three-degree-of-freedom parallel mechanism ankle jointrecovery device is good in rigidity and high in bearing capability, can achieve adjustment of altitude and angles, conforms to the human body structure, can meet the movement requirements of the anklejoint, and has important effects on recovery of the ankle joint.

Description

technical field [0001] The invention relates to the field of rehabilitation engineering, in particular to a three-degree-of-freedom parallel mechanism ankle joint rehabilitation device. Background technique [0002] The ankle joint is one of the main load-bearing structures and sports joints of the human body. It bears a lot of load and exercise demands in life. Therefore, the ankle joint is easily injured. Every year, many people suffer from sports injuries, strokes, ankle joint diseases and other reasons. The ankle joint is damaged and normal movement is lost. Medical research shows that scientific and effective rehabilitation training can prevent joint adhesion, maintain joint flexibility, speed up joint rehabilitation, and play a very important role in the recovery of patients' motor functions. [0003] The existing ankle joint rehabilitation training methods are mainly professional nursing staff to help patients to artificially simulate the movement of the ankle joint....

AI Technical Summary

Problems solved by technology

[0004] At present, there are already some types of ankle joint rehabilitation devices on the market, but most of the existing ankle joint rehabilitation devices only have 1-2 degrees of freedom, which is insufficient, the training mode is single, and the movement function does not meet the structural requirements of the human body.

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