The utility model provides a fluid pressure type rigidity sleeve pipe centralizer. This centralizer mainly comprises center tube, hydraulic cylinder, adapter sleeve, initiative link joint, driven link joint, pop -up, support down, pin, stopping ring, stopping ring seat. Be equipped with the feed liquor hole on the center tube. Hydraulic cylinder and stopping ring seat are connected through the adapter sleeve, and stopping ring seat and center tube pass through pin joint. Initiative link joint and driven link joint pass through pin joint, form the hinge. The pop -up is connected with the last lower extreme of hinge respectively with holding in the palm down. This fluid pressure type rigidity sleeve pipe centralizer can go oil well design position safely, can effectively improve the casing centralization degree, improves the cementing quality.