SHUTTER TYPE GAMMA DEFECTOSCOPE Russian patent published in 2023 - IPC G01N23/02 

FIELD: material studies.

SUBSTANCE: study of materials without their destruction by a directed flow of penetrating gamma radiation. The essence of the invention lies in the fact that the shutter-type gamma-ray flaw detector includes a housing, a composite biological protection unit with a static fragment with a deep collimation slot, the fragment equipped with a radionuclide emitter, and the shutter segment profiled according to the collimation slot rigidly fastened to a discretely movable pendulum link, pivotally integrated into the body and kinematically coupled with a mechanical drive for the release (overlap) of the radiation beam, a ramp for manual adjusting the course orientation of the virtual geometric axis of the collimated frontal beam of gamma radiation relative to the control zone, a U-shaped folding carrying handle, equipped with a hand grip and pivotally aggregated into the body by trunnions, rigidly coupled with a profiled cam kinematically blocking the link and the inertial gate segment when the handle is moved from the initial horizontal position, facing the opposite side of the collimation gap, to the vertical position, wherein the folding U-shaped carrying handle is configured to be converted into an aiming frame where the handle on the outside, similar to the virtual geometric axis of the frontal beam of gamma radiation, is reinforced with a laser emitter of the “laser pointer” type with a battery and a sealed switch of the "reed switch" series set, performing automated release of a narrowly directed beam at full transfer of the folding carrying handle respectively from the initial position to a fixed position at the stop profiled on the outer surface of the housing relative to the collimation window, wherein the link and the inertial shutter segment are blocked in the closed state by the corresponding profile of the cam rigidly coupled to the transfer handle, while the optical axis of the narrow beam of the laser emitter is adequate to the virtual geometric axis of the formed frontal beam of gamma radiation.

EFFECT: providing the possibility of visualizing the targeting trajectory of the virtual center of the frontal beam of gamma radiation in manual mode relative to the dotted center of the "zone of interest" of the control subject.

3 cl, 4 dwg