SHOCK-ABSORBER FOR EXPLOSION PROTECTIVE ELEMENTS OF BUILDINGS Russian patent published in 2014 - IPC E04B1/92 F16F7/00 

FIELD: blasting operations.

SUBSTANCE: single-action shock absorber comprises a housing, the elastic and damping elements, as well as an additional support rod which is rigidly fixed to the stop perpendicular to its axis, which is formed as a plate. The lower surface of the stop the damping base is attached with screws and flange sleeve located coaxially. The upper flange of the sleeve is connected to the damping base and the lower - to the clamping sleeve-type element with grooves for fixing one end of the elastic element made in the form of a conical spring which other end abuts to the cup with the bottom and the central opening, in which the rod is coaxially placed. On the outer surface of the flange sleeve the protective sleeve is mounted coaxially to the rod, made of fragile, crumbling material, such as porcelain. The cup is also made of fragile, crumbling material, such as porcelain, and is attached with screws with its sidewall to the clamping element.

EFFECT: invention enables to increase reliability of triggering of explosion protecting switching devices in case of emergency explosion at the facility.

1 dwg