onnect the variable load etching medium and oil, acid or alkaline conditions, and can ease a part of impact, and pensation amount of axis deviation. Block type flexible shaft coupling has been used as chemical equipment vertical reducer HG standard accessories, widely used. The structure of elastic block coupling as shown below. With the reduction of convex connected above the shaft coupling half, there are 4-12 pieces of the arc-shaped convex block. And the stirring shaft is connected below the concave half coupling is provided with a groove, can modate a corresponding number of elastic block and a convex semi coupling bump. The coupling and shaft with screw and keying. When the driving shaft rotates, the convex semi coupling with elastic block to drive the concave half coupling rotation.
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