发明名称 |
WORKING DEVICE OF HYDRAULIC SHOVEL |
摘要 |
PROBLEM TO BE SOLVED: To stably hold a hydraulic hose charging/discharging hydraulic oil to/from an working tool and improve reliability by providing a hose guide at a link of the tip side of an arm. SOLUTION: An attachment such as a bucket 13 is connected to the tip side of an arm 3 through a connection device 10, and links 6, 9 are provided at the tip side of a bucket cylinder 5. Further, a hydraulic hose 16 charging/ discharging the hydraulic oil from a hydraulic pump to/from a hydraulic cylinder of the connection device 10 is provided between the arm 3 and the connection device 10. The middle part is supported by a hose guide 20 provided at the link 6.
|
申请公布号 |
JP2000110198(A) |
申请公布日期 |
2000.04.18 |
申请号 |
JP19980297654 |
申请日期 |
1998.10.05 |
申请人 |
HITACHI CONSTR MACH CO LTD |
发明人 |
ASANO MASAO;YANAGIBASHI KENZO |
分类号 |
E02F9/00;(IPC1-7):E02F9/00 |
主分类号 |
E02F9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|