Positioning device for cast-in-situ bored pile casing

A positioning device for a cast-in-situ bored pile casing comprises a first positioning piece and a second positioning piece, the first positioning piece is horizontally arranged, the second positioning piece is coaxially arranged below the first positioning piece and located in the casing, the lowe...

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO YONGHANG, LONG YONGFENG, YE HUIQIANG, TIAN ZHIBO, ZHONG WENZHENG, LIU ZHIWEI, CAO PENG, CHE JINJIN, SEKI MASAYOSHI, DAI QIZHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	A positioning device for a cast-in-situ bored pile casing comprises a first positioning piece and a second positioning piece, the first positioning piece is horizontally arranged, the second positioning piece is coaxially arranged below the first positioning piece and located in the casing, the lower end of the first positioning piece is connected to the upper end of the casing, and the lower end of the second positioning piece is connected to the lower end of the casing. A first connecting rod is arranged on the inner wall of the first positioning piece, a first through hole is formed in the first connecting rod in the vertical direction, a leveling bubble is arranged on the upper side of the first connecting rod, a second connecting rod is arranged on the inner wall of the second positioning piece, a second through hole is formed in the second connecting rod in the vertical direction, and a second through hole is formed in the upper side of the second connecting rod. The axis of the first through hole and t