Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pile lifting chuck and Pile lifting device using the chuck
The present invention is to provide a pile lifting apparatus capable of preventing a fall, which can be lifted by chucking a pile by hydraulic pressure, and is prevented from falling even if the chucking is released during the lifting, so that a safety accident can be prevented in advance. According to an embodiment of the present invention, the pile lifting apparatus comprises: a chuck housing which is inserted into the inner diameter of a pile and has a pocket for installing an expansion hole that faces and penetrates in a diametric direction at every predetermined height; a pair of expansion holes disposed in the pocket and installed movably in the radial direction; and a chucking cylinder having one end connected to any one of the expansion holes and the other end connected to the other one of the expansion holes, and chucking the pile by moving the expansion hole.
본 발명의 실시예에 따른 말뚝 인양척은, 말뚝의 내경에 삽입되고, 일정 높이마다 직경방향으로 마주하여 관통하는 확장구 설치용 포켓이 형성되는 척 하우징과, 상기 포켓에 배치되어 반경 방향으로 이동가능하게 설치되는 한 쌍의 확장구와, 일단이 상기 확장구의 어느 하나에 연결되고, 타단이 상기 확장구의 다른 하나에 연결되며, 상기 확장구를 이동시켜 상기 말뚝을 척킹하는 척킹실린더를 포함한다.
Pile lifting chuck and Pile lifting device using the chuck
The present invention is to provide a pile lifting apparatus capable of preventing a fall, which can be lifted by chucking a pile by hydraulic pressure, and is prevented from falling even if the chucking is released during the lifting, so that a safety accident can be prevented in advance. According to an embodiment of the present invention, the pile lifting apparatus comprises: a chuck housing which is inserted into the inner diameter of a pile and has a pocket for installing an expansion hole that faces and penetrates in a diametric direction at every predetermined height; a pair of expansion holes disposed in the pocket and installed movably in the radial direction; and a chucking cylinder having one end connected to any one of the expansion holes and the other end connected to the other one of the expansion holes, and chucking the pile by moving the expansion hole.
본 발명의 실시예에 따른 말뚝 인양척은, 말뚝의 내경에 삽입되고, 일정 높이마다 직경방향으로 마주하여 관통하는 확장구 설치용 포켓이 형성되는 척 하우징과, 상기 포켓에 배치되어 반경 방향으로 이동가능하게 설치되는 한 쌍의 확장구와, 일단이 상기 확장구의 어느 하나에 연결되고, 타단이 상기 확장구의 다른 하나에 연결되며, 상기 확장구를 이동시켜 상기 말뚝을 척킹하는 척킹실린더를 포함한다.
Pile lifting chuck and Pile lifting device using the chuck
말뚝 인양척 및 이를 이용한 말뚝 인양장치
KIM KYU SANG (Autor:in)
10.03.2021
Patent
Elektronische Ressource
Koreanisch
Pile lifting chuck and Pile lifting device using the chuck
Europäisches Patentamt | 2021