US 11,883,886 B2
Device for holes and trepans cutting
Sergei Vladimirovich Il'in, Moscow (RU); Evgenii Vitalevich Luchinskii, pos. Kolodeznyi (RU); and Vladimir Yudevich Sandler, Moscow (RU)
Assigned to NATIONAL RESEARCH CENTRE “KURCHATOV INSTITUTE”, Moscow (RU); LIMITED LIABILITY COMPANY NAUCHNO—PROIZVODSTVENNAYA FIRMA “TERMIKS”, Moscow (RU); and SCIENCE AND INNOVATIONS—NUCLEAR INDUSTRY SCIENTIFIC DEVELOPMENT, PRIVATE ENTERPRISE, Moscow (RU)
Appl. No. 17/257,286
Filed by JOINT STOCK COMPANY “ROSENERGOATOM”, Moscow (RU); NATIONAL RESEARCH CENTRE “KURCHATOV INSTITUTE”, Moscow (RU); LIMITED LIABILITY COMPANY NAUCHNO-PROIZVODSTVENNAYA FIRMA “TERMIKS”, Moscow (RU); and SCIENCE AND INNOVATIONS—NUCLEAR INDUSTRY SCIENTIFIC DEVELOPMENT, PRIVATE ENTERPRISE, Moscow (RU)
PCT Filed Dec. 30, 2019, PCT No. PCT/RU2019/001055
§ 371(c)(1), (2) Date Dec. 30, 2020,
PCT Pub. No. WO2021/020991, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019124496 (RU), filed on Aug. 1, 2019.
Prior Publication US 2022/0143716 A1, May 12, 2022
Int. Cl. B23B 39/14 (2006.01); B23B 51/04 (2006.01); G21C 21/00 (2006.01)
CPC B23B 39/14 (2013.01) [B23B 51/04 (2013.01); B23B 51/0453 (2013.01); G21C 21/00 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A device for cutting holes and trepans comprising a mechanism for cutting tool rotation and feeding, and a movable platform, as well as a box-shaped repair cabin as a body of the device,
wherein a through hole is made in a vertical wall of the repair cabin,
a positioning sleeve is installed in the through hole with an inner flange facing inside the repair cabin and an outer flange fixed outside the repair cabin,
a mounting attachment is fixed on the inner flange of the positioning sleeve,
the mounting attachment includes a mounting plate fixed on the inner flange of a positioning sleeve,
a rotating positioning plate is hinged on the mounting plate with a possibility of rotation around a vertical axis,
the mounting plate and positioning plate are configured to be in a locked position,
a movable platform is equipped with height-adjustable rotary wheel supports,
the movable platform is installed on a bottom of the repair cabin and rigidly attached to a gusset plate of the rotating positioning plate,
the mechanism for cutting tool rotation and feeding is installed on the movable platform coaxially relative to the positioning sleeve, wherein the mounting positioning plate and rotating positioning plate are in the locked position,
a catcher is fixed on the outer flange of the positioning sleeve for the primary storage of cut trepans and collection of chips,
a device for affixing stamps on trepans before cutting the trepans,
the device for affixing stamps on trepans comprises a hollow cylindrical body, end caps installed on ends of the cylindrical body,
the end caps have hole grooves along the diameter line of the caps,
the hole grooves are connected through guide tubes to each other in pairs, on different end caps placed inside the cylindrical body,
a rod for affixing stamps on trepans is arranged in one of the guide tubes,
the rod for affixing stamps on trepans has a removable striker on one end of the rod for affixing stamps on trepans and a digital stamp on other end of the rod for affixing stamps on trepans,
removable plugs are installed in other guide tubes,
wherein an outer surface of the cylindrical body is configured to be installed inside of the positioning sleeve,
wherein space inside the cylindrical body between the guide tubes is filled with lead pellets at least to a part of the cylindrical body length.