FIELD: mining industry. SUBSTANCE: protective device for deepening mine vertical shafts includes sinking platform with distributing and shock-absorbing member located above sinking platform and flexible yielding material with vertical cavity arranged in it and which is limited from atop with shock absorber and shield, and from the bottom, with sinking platform. Diffuser is coaxial with cavity. Arranged in mass of flexible yielding material are circular compensation- recovery vessels provided with valves and supplying pipelines. EFFECT: higher efficiency. 1 dwg
