PILE DRIVER

PILE DRIVER

PROBLEM TO BE SOLVED: To safely interrupt an extracting operation when an excessive extraction load is applied to a leader and enhance the working efficiency and reduce the cost for the recovery of the operation by reducing the labor and time required for the recovery. SOLUTION: A connection member...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: UENO YOJI
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 safely interrupt an extracting operation when an excessive extraction load is applied to a leader and enhance the working efficiency and reduce the cost for the recovery of the operation by reducing the labor and time required for the recovery. SOLUTION: A connection member 11 for a base machine 3 and a wire rope 12 for back tension is formed of a link member 14, an adjust member 16, and a connection pin 17 for connecting the adjust member 16 and the link member 14 to each other. A weak part 14c broken before the wire rope 12 for back tension is broken when an excessive load is applied to the wire rope 12 for back tension is formed on the link member 14. Extraction prevention means for preventing the link member 14 from coming out of the adjust member 16 are attached to the link member 14 and the adjust member 16, respectively. COPYRIGHT: (C)2009,JPO&INPIT