公开(公告)号：US20200024818A1

公开(公告)日：2020-01-23

申请号：US16489615

申请日：2018-06-26

Applicant: SHANDONG UNIVERSITY

Inventor： Hetao HOU ,  Ning WANG ,  Bing SUN ,  Haiyang LI ,  Mingjun LI

IPC: E02D9/02 ,  E04G21/14

Abstract: A pulling-out device for a prefabricated concrete support wall, belonging to the field of concrete support structures, wherein a vertical hollow tube is pre-buried in the prefabricated concrete support wall. The pulling-out device includes a pulling-out mechanism disposed in the hollow tube by penetration, the lower end of the pulling-out mechanism is fixedly arranged in the prefabricated concrete support wall and positioned at the lower end of the hollow tube, a first fixing device for tensing the pulling-out mechanism is arranged at the upper end of the pulling-out mechanism, and the first fixing device is not connected with the prefabricated concrete support wall.