KR870002333U - 상부 선회 방식 건설 장비의 조향 방향 절환장치 - Google Patents

상부 선회 방식 건설 장비의 조향 방향 절환장치

Info

Publication number
KR870002333U
KR870002333U KR2019850009138U KR850009138U KR870002333U KR 870002333 U KR870002333 U KR 870002333U KR 2019850009138 U KR2019850009138 U KR 2019850009138U KR 850009138 U KR850009138 U KR 850009138U KR 870002333 U KR870002333 U KR 870002333U
Authority
KR
South Korea
Prior art keywords
switching device
direction switching
construction equipment
steering direction
upper pivot
Prior art date
Application number
KR2019850009138U
Other languages
English (en)
Other versions
KR890008817Y1 (ko
Inventor
강우규
Original Assignee
대우중공업 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 대우중공업 주식회사 filed Critical 대우중공업 주식회사
Priority to KR2019850009138U priority Critical patent/KR890008817Y1/ko
Publication of KR870002333U publication Critical patent/KR870002333U/ko
Application granted granted Critical
Publication of KR890008817Y1 publication Critical patent/KR890008817Y1/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
    • E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • 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
    • E02F9/26—Indicating devices

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)
KR2019850009138U 1985-07-19 1985-07-19 상부 선회 방식 건설 장비의 조향 방향 절환장치 KR890008817Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850009138U KR890008817Y1 (ko) 1985-07-19 1985-07-19 상부 선회 방식 건설 장비의 조향 방향 절환장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850009138U KR890008817Y1 (ko) 1985-07-19 1985-07-19 상부 선회 방식 건설 장비의 조향 방향 절환장치

Publications (2)

Publication Number Publication Date
KR870002333U true KR870002333U (ko) 1987-03-17
KR890008817Y1 KR890008817Y1 (ko) 1989-12-05

Family

ID=19244004

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850009138U KR890008817Y1 (ko) 1985-07-19 1985-07-19 상부 선회 방식 건설 장비의 조향 방향 절환장치

Country Status (1)

Country Link
KR (1) KR890008817Y1 (ko)

Also Published As

Publication number Publication date
KR890008817Y1 (ko) 1989-12-05

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee