EXCAVATING DEVICE IN CAISSON

PROBLEM TO BE SOLVED: To provide an excavating device, by which the excavation, crushing or drilling works of soil and sand, rocks, boulders, etc., can be conducted automatically and efficiently by one excavator even in a caisson having a large area and in which the excavator can be maintained easil...

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Main Authors SHIROMIZU KAZUYUKI, SEKINE SADAO, SUGANO SATORU, MIYASHITA MASAKI, SUGIE TETSUYA, HIROSE MOTOAKI, MIYAZAWA KATSUMITSU, IMAMURA HIDEO, KOBAYASHI TAKAYA, TSUNODA JIRO
Format Patent
LanguageEnglish
Published 27.01.1998
Edition6
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:PROBLEM TO BE SOLVED: To provide an excavating device, by which the excavation, crushing or drilling works of soil and sand, rocks, boulders, etc., can be conducted automatically and efficiently by one excavator even in a caisson having a large area and in which the excavator can be maintained easily. SOLUTION: In an excavating device in a caisson, a boom 11 for an excavator 6 is composed of a fixed boom 12 installed to a revolving superstructure 9 in a freely derricking manner and a sliding boom 13 slidably loaded on the fixed boom 12. A sliding boom 13 is connected to a sliding operating means 16, a first guide rail 17 is mounted on the upper section of the fixed boom 12, and a second guide rail 18 is set up to the lower section of the sliding boom 13 A first guide means 19, to which guide rollers brought into contact with the upper and lower surfaces of the second guide rail 18 are fitted, is installed to a roller bracket in the fixed boom 12, and a second guide means 20, on which guide rollers brought into contact with the upper and lower surfaces of the first guide rail 17 are mounted, is attached onto a roller bracket in the sliding boom 13.
Bibliography:Application Number: JP19960199732