KR100556022B1 - 굴삭기 작업장치의 유압시스템 - Google Patents
굴삭기 작업장치의 유압시스템 Download PDFInfo
- Publication number
- KR100556022B1 KR100556022B1 KR1020010050271A KR20010050271A KR100556022B1 KR 100556022 B1 KR100556022 B1 KR 100556022B1 KR 1020010050271 A KR1020010050271 A KR 1020010050271A KR 20010050271 A KR20010050271 A KR 20010050271A KR 100556022 B1 KR100556022 B1 KR 100556022B1
- Authority
- KR
- South Korea
- Prior art keywords
- pump
- arm
- excavator
- boom
- flow rate
- Prior art date
Links
Images
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
- E02F9/2292—Systems with two or more pumps
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- 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
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations 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
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (1)
- 제1펌프(1), 제2펌프(2) 및 제3펌프(3)로 구성된 굴삭기 작업장치의 유압시스템에 있어서,제2펌프(2) 및 제3펌프(3)의 합류라인에 체크밸브(16)를 장착시키고, 암3속 스풀(10)과 제3펌프 유량공급 라인(11)을 설치하여 제3펌프(3)의 토출유량을 암 오무림작업에 합류시키는 것을 특징으로 하는 굴삭기 작업장치의 유압시스템.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010050271A KR100556022B1 (ko) | 2001-08-21 | 2001-08-21 | 굴삭기 작업장치의 유압시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010050271A KR100556022B1 (ko) | 2001-08-21 | 2001-08-21 | 굴삭기 작업장치의 유압시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030016614A KR20030016614A (ko) | 2003-03-03 |
KR100556022B1 true KR100556022B1 (ko) | 2006-03-03 |
Family
ID=27720003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010050271A KR100556022B1 (ko) | 2001-08-21 | 2001-08-21 | 굴삭기 작업장치의 유압시스템 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100556022B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100656046B1 (ko) * | 2002-11-25 | 2006-12-08 | 두산인프라코어 주식회사 | 소형 굴삭기의 암속도 제어장치 |
KR101157267B1 (ko) * | 2005-12-28 | 2012-07-03 | 두산인프라코어 주식회사 | 굴삭기의 주행복합제어용 유압시스템 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940010173U (ko) * | 1992-10-27 | 1994-05-23 | 현대중장비산업 주식회사 | 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치 |
KR950019261A (ko) * | 1993-12-28 | 1995-07-22 | 석진철 | 굴삭기의 유압펌프 유압제어장치 |
KR960018031U (ko) * | 1994-11-10 | 1996-06-19 | 유압식 굴삭기의 붐·암 성능향상장치 | |
KR20010064381A (ko) * | 1999-12-29 | 2001-07-09 | 양재신 | 굴삭기의 붐과 암 복합제어회로 |
-
2001
- 2001-08-21 KR KR1020010050271A patent/KR100556022B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940010173U (ko) * | 1992-10-27 | 1994-05-23 | 현대중장비산업 주식회사 | 굴삭기의 붐 및 아암 동시 작동시 아암의 증속을 위한 유압 제어장치 |
KR950019261A (ko) * | 1993-12-28 | 1995-07-22 | 석진철 | 굴삭기의 유압펌프 유압제어장치 |
KR960018031U (ko) * | 1994-11-10 | 1996-06-19 | 유압식 굴삭기의 붐·암 성능향상장치 | |
KR20010064381A (ko) * | 1999-12-29 | 2001-07-09 | 양재신 | 굴삭기의 붐과 암 복합제어회로 |
Also Published As
Publication number | Publication date |
---|---|
KR20030016614A (ko) | 2003-03-03 |
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