KR910004405U - 굴삭기의 작업 유압장치 - Google Patents

굴삭기의 작업 유압장치

Info

Publication number
KR910004405U
KR910004405U KR2019890012395U KR890012395U KR910004405U KR 910004405 U KR910004405 U KR 910004405U KR 2019890012395 U KR2019890012395 U KR 2019890012395U KR 890012395 U KR890012395 U KR 890012395U KR 910004405 U KR910004405 U KR 910004405U
Authority
KR
South Korea
Prior art keywords
excavator
hydraulic work
hydraulic
work
Prior art date
Application number
KR2019890012395U
Other languages
English (en)
Other versions
KR930000937Y1 (ko
Inventor
문삼동
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 KR2019890012395U priority Critical patent/KR930000937Y1/ko
Publication of KR910004405U publication Critical patent/KR910004405U/ko
Application granted granted Critical
Publication of KR930000937Y1 publication Critical patent/KR930000937Y1/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
    • E02F9/2264—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
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
    • 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
    • E02F9/22—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)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
KR2019890012395U 1989-08-25 1989-08-25 굴삭기의 작업 유압장치 KR930000937Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890012395U KR930000937Y1 (ko) 1989-08-25 1989-08-25 굴삭기의 작업 유압장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890012395U KR930000937Y1 (ko) 1989-08-25 1989-08-25 굴삭기의 작업 유압장치

Publications (2)

Publication Number Publication Date
KR910004405U true KR910004405U (ko) 1991-03-19
KR930000937Y1 KR930000937Y1 (ko) 1993-03-02

Family

ID=19289403

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890012395U KR930000937Y1 (ko) 1989-08-25 1989-08-25 굴삭기의 작업 유압장치

Country Status (1)

Country Link
KR (1) KR930000937Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100793704B1 (ko) * 2005-12-28 2008-01-11 서병윤 건설 중장비용 유압시스템의 설치구조 및 그 설치방법

Also Published As

Publication number Publication date
KR930000937Y1 (ko) 1993-03-02

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19971229

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee