BACK HOE

BACK HOE

PURPOSE:To call the attention of a worker when a bucket approaches a restraint surface, in a back hoe formed such that the restraint surface separated by a given distance externally of the drive part of a slewing bed is set in a space and when the bucket is about to enter over the restraint surface...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MIURA TAKANORI, MUKODA TOSHIO, NISHI EIJI
Format: Patent
Sprache:eng
Schlagworte:
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Beschreibung
Zusammenfassung:PURPOSE:To call the attention of a worker when a bucket approaches a restraint surface, in a back hoe formed such that the restraint surface separated by a given distance externally of the drive part of a slewing bed is set in a space and when the bucket is about to enter over the restraint surface to the drive part side, a back hoe device is automatically stopped by means of a position sensor to detect the position of the bucket. CONSTITUTION:When a bucket 6 is operated to a position on the approach side to restraint surfaces A1 and A2, an alarm buzzer alarms. When the bucket 6 is separated away from the restraint surfaces A1 and A2, the alarm buzzer does not alarm. Even when a function to automatically stop the back hoe device on the restraint surfaces A1 and A2 is brought into a stop, the function of the alarm buzzer is rendered effective.