KOCHETOV'S PROTECTIVE DEVICE FOR EXPLOSIVE OBJECTS Russian patent published in 2017 - IPC E04B1/92 

FIELD: machine engineering.

SUBSTANCE: protective device for explosive objects, containing a metal armoured frame with metal coating and filler, which is designed as a dispersed air-lead system. The lead is performed in the form of crumbs, and the frame has the fixed-bearing tubes in the end faces, and the explosive object coating has at least three tightly sealed tie bars with support sheets in the upper part, which is telescopically inserted in the fixed-bearing tubes in the metal armoured frame, the elastic-damping elements are fixed in the upper part of the tie bars so, that one end of which is rigidly connected to its base with support sheets, and the other - is free. Each of the elastic-damping elements is fixed by screws of its base, made in the form of a circular disc from a rigid vibration-damping material, such as "agate", on the support sheets, rigidly connected with the bars, and the base of elastic-damping element is connected with the sleeve from elastomer, having a central opening through which the bar passes. The sleeve has at least three openings, coaxial with the bar, in which there are elastic elements, such as coil springs, the upper end face of which, by means of fastening elements, are connected with the base, and the bottom is in unpressed condition and stands for the lower sleeve plane to the distance, determined by the forces developed by the shock wave. Wherein the tie bars are telescopically inserted in the fixed-bearing tubes, embedded in the metal frame, tied together through the support sheets by the elastic-damping elements, which are in the form of a cable, braided from a resilient wire, outside of which the resilient shell from vibration damping material is coaxially arranged, for example, made from polyurethane .

EFFECT: increase of explosion protective devices operation reliability in case of emergency explosion at the facility, and providing of these structures return into the original position after the explosion.

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