TUBULAR STRUCTURAL MEMBER FOR EXTERIOR OF CONSTRUCTION MACHINE

TUBULAR STRUCTURAL MEMBER FOR EXTERIOR OF CONSTRUCTION MACHINE

[Problem to Be Solved] To provide a pipe member being able to reduce the vibration applied and improve its durability. [Solution] A pipe member (10) to be installed on the body (2) of a construction machine has an outer main pipe and an inner auxiliary pipe (14) inserted into the outer main pipe (12...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OKADA, Naoya, TADASU, Takafumi, ISHIZUKA, Hidetaka, MATSUMURA, Kazumasa
Format: Patent
Sprache:eng ; fre
Schlagworte:
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Beschreibung
Zusammenfassung:[Problem to Be Solved] To provide a pipe member being able to reduce the vibration applied and improve its durability. [Solution] A pipe member (10) to be installed on the body (2) of a construction machine has an outer main pipe and an inner auxiliary pipe (14) inserted into the outer main pipe (12). An outer diameter of the inner auxiliary pipe (14) is formed smaller than an inner diameter of the outer main pipe (12). The inner auxiliary pipe (14) has a securing part secured on the outer main pipe (12) and at least one of end parts of the inner auxiliary pipe (14) is a free end without being secured on the outer main pipe (12). Le problème à résoudre par la présente invention concerne la fourniture d'un élément tube capable de réduire la vibration appliquée et d'améliorer sa durabilité. La solution selon l'invention porte sur un élément tube (10) devant être installé sur le corps (2) d'une machine de construction, lequel élément tube a un tube principal externe et un tube (14) auxiliaire interne inséré dans le tube (12) principal externe. Un diamètre externe du tube (14) auxiliaire interne est formé plus petit qu'un diamètre interne du tube (12) principal externe. Le tube (14) auxiliaire interne a une partie de fixation fixée sur le tube (12) principal externe et au moins l'une des parties d'extrémité du tube (14) auxiliaire interne est une extrémité libre sans être fixée sur le tube (12) principal externe.