UNIVERSAL LOCKING DEVICE Russian patent published in 2020 - IPC F42D1/08 F42D1/18 

FIELD: mining.

SUBSTANCE: invention relates to mining, to the field of drilling and blasting works in rocks and can be used in various industries, which use explosive works in rock massifs, in particular, when mining minerals by an open method. In the universal locking device containing the supporting structure diameter exceeding the dimensions, and the suspended part fixed in it by the flexible link, the suspended part made in the form of the cylinder, the component parts of which are connected by a link. Composite parts of the cylinder are made in the form of flexible resilient plates, the length and width of which are proportional and 6–12 times less than their height, wherein flexible elastic plates making up the cylinder are connected by a constant link at the lower end of the cylinder, the diameter of which is 0.8–0.85 well diameter.

EFFECT: technical result of claimed invention is design simplification and efficiency of device application both in dry and in watered wells.

1 cl, 3 dwg