Title:
VALVE ARRANGEMENT CONSTRUCTION FOR CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP3441995
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a valve arrangement construction of a construction machine which can reduce mutual assembling error between a control valve and a shuttle block, and can intensively arrange these control valve and shuttle block.
SOLUTION: This valve arrangement construction is provided with a shuttle block 47 comprising a plurality of shuttle valves taking out pilot pressure for control generated by operating devices 44-46 as specified control pressure signals, and a control valve 41 integrally containing direction control valves 28-31, 34-38 controlling hydraulic actuators. A bracket 70 is integrally provided on the control valve 41 through bolts 70, the shuttle block 47 is fitted to the bracket 70 through bolts 72, and the shuttle block 47 and the control valve 41 are connected together through rigid pipes 73, 74.
Inventors:
Hiroki Sugawara
Tsukasa Toyooka
Koji Tahara
Genroku Sugiyama
Tsukasa Toyooka
Koji Tahara
Genroku Sugiyama
Application Number:
JP5269999A
Publication Date:
September 02, 2003
Filing Date:
March 01, 1999
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E02F9/00; (IPC1-7): E02F9/00
Domestic Patent References:
| JP93977A | ||||
| JP9177129A | ||||
| JP834960A | ||||
| JP1124403U |
Attorney, Agent or Firm:
Kenjiro Take (2 outside)
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