KR940010173U - 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치 - Google Patents

굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치

Info

Publication number
KR940010173U
KR940010173U KR2019920020741U KR920020741U KR940010173U KR 940010173 U KR940010173 U KR 940010173U KR 2019920020741 U KR2019920020741 U KR 2019920020741U KR 920020741 U KR920020741 U KR 920020741U KR 940010173 U KR940010173 U KR 940010173U
Authority
KR
South Korea
Prior art keywords
arm
excavator
boom
increasing
control device
Prior art date
Application number
KR2019920020741U
Other languages
English (en)
Other versions
KR970000170Y1 (ko
Inventor
김재형
Original Assignee
현대중장비산업 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 현대중장비산업 주식회사 filed Critical 현대중장비산업 주식회사
Priority to KR92020741U priority Critical patent/KR970000170Y1/ko
Publication of KR940010173U publication Critical patent/KR940010173U/ko
Application granted granted Critical
Publication of KR970000170Y1 publication Critical patent/KR970000170Y1/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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/425—Drive systems for dipper-arms, backhoes or the like
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • 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
    • E02F9/2296—Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
KR92020741U 1992-10-27 1992-10-27 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치 KR970000170Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92020741U KR970000170Y1 (ko) 1992-10-27 1992-10-27 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92020741U KR970000170Y1 (ko) 1992-10-27 1992-10-27 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치

Publications (2)

Publication Number Publication Date
KR940010173U true KR940010173U (ko) 1994-05-23
KR970000170Y1 KR970000170Y1 (ko) 1997-01-09

Family

ID=19342583

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92020741U KR970000170Y1 (ko) 1992-10-27 1992-10-27 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치

Country Status (1)

Country Link
KR (1) KR970000170Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100556022B1 (ko) * 2001-08-21 2006-03-03 현대중공업 주식회사 굴삭기 작업장치의 유압시스템

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100556022B1 (ko) * 2001-08-21 2006-03-03 현대중공업 주식회사 굴삭기 작업장치의 유압시스템

Also Published As

Publication number Publication date
KR970000170Y1 (ko) 1997-01-09

Similar Documents

Publication Publication Date Title
KR920701580A (ko) 유압굴삭기의 직선굴삭 제어장치
DE69222931D1 (de) Bagger- und Anwendungsverfahren
EP0577845A4 (en) Device for positioning member and excavating direction control device for excavator employing said device
DE69531504D1 (de) Kameramannauslegerkran
DE4480327T1 (de) Kransteuervorrichtung
DE69214428D1 (de) Bagger- und Anwendungsverfahren
ITGE910062A1 (it) Braccio escavatore longitudinale per scavi ed abbattimenti o simili
KR940010173U (ko) 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치
KR900012310U (ko) 굴삭기의 유압제어장치
KR930008925U (ko) 굴삭기 붐 합류밸브의 유압제어장치
KR930025750U (ko) 아암합류밸브를 갖는 굴삭기의 유압회로
KR940012723U (ko) 굴삭기 굴절식 붐의 고정장치
KR970001961U (ko) 굴삭기의 붐작업등 조정장치
DK302589D0 (da) Gravemaskinegrab
KR950019026U (ko) 굴삭기 운전실의 틸팅장치
KR970005974U (ko) 스키드 스티어로더의 붐 하강방지 장치
KR960018031U (ko) 유압식 굴삭기의 붐·암 성능향상장치
KR980000006U (ko) 트랙터용 굴삭기의 붐회전장치
IT1272019B (it) Dispositivo di comando idraulico
KR890008746U (ko) 유압 크레인의 붐 연장 장치
KR940010193U (ko) 차집관로 준설장치
KR970001952U (ko) 굴삭기의 붐 상하 조절장치
KR950019505U (ko) 굴삭기의 유압 제어시스템
KR930023726U (ko) 굴삭기의 원격 조정 가능한 붐 스윙 고정장치
KR930014467U (ko) 스키드로다용 붐 고정장치

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: 20060102

Year of fee payment: 11

EXPY Expiration of term