JPH0259918B2 - - Google Patents

Info

Publication number
JPH0259918B2
JPH0259918B2 JP22336083A JP22336083A JPH0259918B2 JP H0259918 B2 JPH0259918 B2 JP H0259918B2 JP 22336083 A JP22336083 A JP 22336083A JP 22336083 A JP22336083 A JP 22336083A JP H0259918 B2 JPH0259918 B2 JP H0259918B2
Authority
JP
Japan
Prior art keywords
gripper
switching valve
jack
jacks
hydraulic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP22336083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60119897A (ja
Inventor
Makoto Oota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP22336083A priority Critical patent/JPS60119897A/ja
Publication of JPS60119897A publication Critical patent/JPS60119897A/ja
Publication of JPH0259918B2 publication Critical patent/JPH0259918B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP22336083A 1983-11-29 1983-11-29 トンネル掘削機におけるグリツパジヤツキの油圧装置 Granted JPS60119897A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22336083A JPS60119897A (ja) 1983-11-29 1983-11-29 トンネル掘削機におけるグリツパジヤツキの油圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22336083A JPS60119897A (ja) 1983-11-29 1983-11-29 トンネル掘削機におけるグリツパジヤツキの油圧装置

Publications (2)

Publication Number Publication Date
JPS60119897A JPS60119897A (ja) 1985-06-27
JPH0259918B2 true JPH0259918B2 (https=) 1990-12-13

Family

ID=16796929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22336083A Granted JPS60119897A (ja) 1983-11-29 1983-11-29 トンネル掘削機におけるグリツパジヤツキの油圧装置

Country Status (1)

Country Link
JP (1) JPS60119897A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2602700B2 (ja) * 1988-09-06 1997-04-23 日本鉄道建設公団 膨張性地山のトンネル掘進機
JPH02116590U (https=) * 1989-03-07 1990-09-18
JP6239356B2 (ja) * 2013-11-29 2017-11-29 株式会社小松製作所 トンネル掘削装置およびその制御方法

Also Published As

Publication number Publication date
JPS60119897A (ja) 1985-06-27

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