KR900012309U - 굴삭기용 특수작업기의 유압장치 - Google Patents

굴삭기용 특수작업기의 유압장치

Info

Publication number
KR900012309U
KR900012309U KR2019880021003U KR880021003U KR900012309U KR 900012309 U KR900012309 U KR 900012309U KR 2019880021003 U KR2019880021003 U KR 2019880021003U KR 880021003 U KR880021003 U KR 880021003U KR 900012309 U KR900012309 U KR 900012309U
Authority
KR
South Korea
Prior art keywords
excavator
hydraulic system
work machine
special work
special
Prior art date
Application number
KR2019880021003U
Other languages
English (en)
Other versions
KR920004537Y1 (ko
Inventor
정선국
Original Assignee
삼성중공업 주식회사
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 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR2019880021003U priority Critical patent/KR920004537Y1/ko
Publication of KR900012309U publication Critical patent/KR900012309U/ko
Application granted granted Critical
Publication of KR920004537Y1 publication Critical patent/KR920004537Y1/ko

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
KR2019880021003U 1988-12-19 1988-12-19 굴삭기용 특수작업기의 유압장치 KR920004537Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880021003U KR920004537Y1 (ko) 1988-12-19 1988-12-19 굴삭기용 특수작업기의 유압장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880021003U KR920004537Y1 (ko) 1988-12-19 1988-12-19 굴삭기용 특수작업기의 유압장치

Publications (2)

Publication Number Publication Date
KR900012309U true KR900012309U (ko) 1990-07-03
KR920004537Y1 KR920004537Y1 (ko) 1992-07-03

Family

ID=19282287

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880021003U KR920004537Y1 (ko) 1988-12-19 1988-12-19 굴삭기용 특수작업기의 유압장치

Country Status (1)

Country Link
KR (1) KR920004537Y1 (ko)

Also Published As

Publication number Publication date
KR920004537Y1 (ko) 1992-07-03

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A201 Request for examination
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Payment date: 20020516

Year of fee payment: 11

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