发明名称 CONSTRUCTION MACHINE
摘要 PROBLEM TO BE SOLVED: To protect a boom cylinder hydraulic hose.SOLUTION: In a hydraulic shovel 1 where a middle site of a boom cylinder hydraulic hose 33 making a connection between a control valve 9 mounted in a revolving superstructure 3 and a boom cylinder 4D passes through a space 16 of a swing post 11 rockably mounted at the front end of a revolving frame 5 via a connection pin 12, a hose holding member 41 is provided in the space 16 of the swing post 11. Thus, the middle site of the boom cylinder hydraulic hose 33 can be moved along left and right side face plates 14, 15 of the swing post 11 by left and right arm parts 43, 44 of the hose holding member 41. As a result, hydraulic hoses 33A, 33B of the boom cylinder hydraulic hose 33 are prevented from being held between a boom 4A and the swing post 11, therefore protecting the boom cylinder hydraulic hose 33.
申请公布号 JP2013237996(A) 申请公布日期 2013.11.28
申请号 JP20120109759 申请日期 2012.05.11
申请人 HITACHI CONSTR MACH CO LTD 发明人 SAKO TOSHIHIRO;IRINO TERUO;URASE KOHEI;KAIZAKI HIROTERU
分类号 E02F9/00;E02F3/36 主分类号 E02F9/00
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