CABIN FITTING DEVICE FOR CONSTRUCTION MACHINE

PROBLEM TO BE SOLVED: To prevent the damage and abrasion of hoses by fitting a hollow swing arm concurrently serving as a hose duct inserted with the hoses to a cabin, and connecting the swing arm to a machine body rotatably around a vertical shaft via a bearing. SOLUTION: When a crawler crane is to...

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Bibliographic Details
Main Authors OTSUKA HIROYUKI, ONO FUMIO, WAKAMATSU KUNIO
Format Patent
LanguageEnglish
Published 10.10.2000
Edition7
Subjects
CRANES
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HAULING
HOISTING
HYDRAULIC ENGINEERING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
SOIL SHIFTING
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To prevent the damage and abrasion of hoses by fitting a hollow swing arm concurrently serving as a hose duct inserted with the hoses to a cabin, and connecting the swing arm to a machine body rotatably around a vertical shaft via a bearing. SOLUTION: When a crawler crane is to be transported by a trailer, the whole crane width including a cabin 11 must be set within the trailer width, therefore a hollow swing arm 12 concurrently serving as a hose duct is fitted to the cabin 11, and the lower face side of the tip section of the swing arm 12 is connected to an upper rotary frame 13 rotatably around a vertical shaft via a bearing 14. Hoses arranged astride the cabin 11 and the upper rotary frame 13 are arranged through the swing arm 12 and are guided to a cabin deck 11a and the upper rotary frame 13 from through holes respectively. The hoses are prevented from being damaged by the contact with external foreign matters.
Bibliography:Application Number: JP19990086569