EXISTING PILE PULL-OUT DEVICE

EXISTING PILE PULL-OUT DEVICE

PROBLEM TO BE SOLVED: To provide an existing pile pull-out device which can reduce weight load applied to a base machine and is applicable even in a narrow site with a limited area.SOLUTION: An existing pile pull-out device 1 comprises: a casing 11 formed of a high-tension steel having a tensile str...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SHIMADA YOSHIKATSU, KUWABARA SHUICHI
Format: Patent
Sprache:eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an existing pile pull-out device which can reduce weight load applied to a base machine and is applicable even in a narrow site with a limited area.SOLUTION: An existing pile pull-out device 1 comprises: a casing 11 formed of a high-tension steel having a tensile strength equal to or more than 490 N/mm; a chuck claw 13 movable between a projection position and a retreat position; a rod 15 with one end connected to a base end part of the chuck claw 13; and a hydraulic jack 16 connected to the other end of the rod 15, and making the chuck claw 13 move from the retreat position to the projection position by pressing the rod 15 toward a tip of the casing 11.