WORKING MACHINE

WORKING MACHINE

PROBLEM TO BE SOLVED: To easily install a stroke sensor for detecting a boom angle, in a state of being protected by a cover from sediment and contact with an upper frame or the like and moreover by after-fitting. SOLUTION: A hydraulic shovel is provided with a cylinder protective cover 16 outside a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: SHIMOGAICHI HIROSHI
Format: Patent
Sprache:eng
Schlagworte:
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To easily install a stroke sensor for detecting a boom angle, in a state of being protected by a cover from sediment and contact with an upper frame or the like and moreover by after-fitting. SOLUTION: A hydraulic shovel is provided with a cylinder protective cover 16 outside a boom cylinder 6 for derricking a boom in a working device. One end of a wire 18 is fastened to the inside of the cylinder protective cover 16, and a sensor body part 20 comprising a wire reel 21 and a signal converter 22 is provided at the upper part of a cylinder tube 6b always covered with the cylinder protective cover 16, and constituted to detect the moving quantity of the cylinder protective cover 16 as the stroke of the boom cylinder 6. COPYRIGHT: (C)2005,JPO&NCIPI