公开(公告)号：US11975395B2

公开(公告)日：2024-05-07

申请号：US17618692

申请日：2021-01-15

Applicant: SHANDONG UNIVERSITY

Inventor： Chuanzhen Huang ,  Binghao Li ,  Hanlian Liu ,  Hongtao Zhu ,  Bin Zou ,  Peng Yao ,  Jun Wang

IPC: B23B41/02 ,  B23B49/00

CPC classification number: B23B49/003

Abstract: A BTA drilling quick-stop device (QSD) and a method, wherein the BTA drilling QSD includes a base. The base includes a hollow cavity. A side portion of the base has an opening communicating with the hollow cavity. The opening is closed by a through cover. A horizontally movable fixture is disposed in the hollow cavity. A stopper is disposed at a top portion of the base. A bottom portion of the stopper is disposed lower than a top portion of the fixture to stop the fixture from moving during processing. An elastic element is disposed between the through cover and a side portion of the fixture to push the fixture to move after processing.