KR20040082914A - 작업 장치용 유압 실린더를 제어하는 유압 제어 장치 - Google Patents
작업 장치용 유압 실린더를 제어하는 유압 제어 장치 Download PDFInfo
- Publication number
- KR20040082914A KR20040082914A KR1020030020920A KR20030020920A KR20040082914A KR 20040082914 A KR20040082914 A KR 20040082914A KR 1020030020920 A KR1020030020920 A KR 1020030020920A KR 20030020920 A KR20030020920 A KR 20030020920A KR 20040082914 A KR20040082914 A KR 20040082914A
- Authority
- KR
- South Korea
- Prior art keywords
- hydraulic
- control valve
- hydraulic cylinder
- bucket
- dump
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
-
- 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
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/005—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unintentional use of a control mechanism
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/0413—Valve members; Fluid interconnections therefor with four or more positions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3127—Floating position connecting the working ports and the return line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87056—With selective motion for plural valve actuator
- Y10T137/87072—Rotation about either of two pivotal axes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (4)
- 선택적으로 작업 차량(1)에 장비되는 작업 장치를 위한 유압 실린더(15)를 제어하는 것으로,유압원(51)과,상기 유압 실린더(15)와 상기 유압원(51) 사이에 설치된 4 위치 절환 제어 밸브(40)와,상기 4 위치 절환 제어 밸브(40)를 조작하는 조작 기구(20)를 구비한 유압 제어 장치에 있어서,상기 4 위치 절환 제어 밸브(40)에서는 상기 유압 실린더(15)의 로드를 한 쪽 방향으로 이동시키는 제1 위치와 상기 유압 실린더의 로드를 정지시키는 제2 위치와 재생 회로의 작용으로 상기 유압 실린더의 로드를 다른 쪽 방향으로 보다 빠른 속도로 이동시키는 제3 위치와 상기 유압 실린더의 로드를 재생 회로 없이 다른 쪽 방향으로 표준 속도로 이동시키는 제4 위치가 그 차례로 설치되어 있고, 상기 조작 기구(20)의 조작 변위 경로를 따라서 롤백 위치(RB)와 중립 위치(N)와 급속 덤프 위치(RD)와 표준 덤프 위치(SD)가 설정되어 있으며, 상기 제1 위치가 상기 롤백 위치에 대응하고, 상기 제2 위치가 상기 중립 위치에 대응하고, 상기 제3 위치가 상기 급속 덤프 위치에 대응하고, 상기 제4 위치가 상기 표준 덤프 위치에 대응하고 있는 것을 특징으로 하는 유압 제어 장치.
- 제1항에 있어서, 상기 버킷 작업 장치(10)는 전방 로더로서 트랙터에 장비되는 작업 장치이며, 이 버킷 작업 장치(10) 대신에 스노우 블로워 등의 다른 작업 장치가 상기 4 위치 절환 제어 밸브(40)에 의해 제어 가능하게 상기 트랙터에 장비 가능한 것을 특징으로 하는 유압 제어 장치.
- 제1항에 있어서, 상기 4 위치 절환 제어 밸브(40) 또는 상기 조작 기구(20) 혹은 그 양 쪽 모두에는 상기 제3 위치 또는 상기 급속 덤프 위치에 있어서의 조작감을 주는 디텐트 기능이 구비되어 있는 것을 특징으로 하는 유압 제어 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 조작 기구(20)에는 필요에 따라서 상기 조작 경로를 롤백 위치와 중립 위치와 급속 덤프 위치에 한정되는 스톱퍼 플레이트(25)가 설치되어 있는 것을 특징으로 하는 유압 제어 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00075261 | 2003-03-19 | ||
JP2003075261A JP3973584B2 (ja) | 2003-03-19 | 2003-03-19 | 作業装置のための油圧シリンダを制御する油圧制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040082914A true KR20040082914A (ko) | 2004-09-30 |
KR100547051B1 KR100547051B1 (ko) | 2006-01-31 |
Family
ID=32984773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030020920A KR100547051B1 (ko) | 2003-03-19 | 2003-04-03 | 작업 장치용 유압 액츄에이터를 제어하는 유압 제어 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6871575B2 (ko) |
JP (1) | JP3973584B2 (ko) |
KR (1) | KR100547051B1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100017070A1 (en) * | 2008-07-15 | 2010-01-21 | Ford Global Technologies, Llc | Stability control and inclined surface control using a common signal source |
US8096227B2 (en) * | 2008-07-29 | 2012-01-17 | Caterpillar Inc. | Hydraulic system having regeneration modulation |
WO2011089792A1 (ja) * | 2010-01-20 | 2011-07-28 | 日立建機株式会社 | 運搬車両 |
CN102712280B (zh) * | 2010-04-26 | 2014-09-03 | 日立建机株式会社 | 运输车辆 |
US10352335B2 (en) * | 2015-12-22 | 2019-07-16 | Kubota Corporation | Hydraulic system of work machine |
EP3299638B1 (en) * | 2016-09-23 | 2019-04-10 | Goodrich Actuation Systems SAS | Valve for electrohydrostatic actuator |
CN106402077B (zh) * | 2016-11-29 | 2018-01-09 | 四川凌峰航空液压机械有限公司 | 液压作动筒类输出速度可控液压回路系统 |
US10968923B2 (en) | 2017-05-16 | 2021-04-06 | Kubota Corporation | Hydraulic system for working machine and control valve |
US11396738B2 (en) | 2017-05-16 | 2022-07-26 | Kubota Corporation | Hydraulic system for working machine and control valve |
JP6955312B2 (ja) * | 2017-06-19 | 2021-10-27 | キャタピラー エス エー アール エル | 建設機械におけるブーム制御システム |
DK3775576T3 (da) | 2018-05-18 | 2022-08-08 | Hydac Systems & Services Gmbh | Styreindretning |
CN112032127A (zh) * | 2020-09-21 | 2020-12-04 | 浙江高宇液压机电有限公司 | 开中心系统的复合联动多路阀及液压控制方法 |
CN114934559B (zh) * | 2022-06-07 | 2023-11-14 | 柳州柳工挖掘机有限公司 | 快换装置脱开控制系统、方法和工程机械 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3965587A (en) * | 1974-11-13 | 1976-06-29 | Clark Equipment Company | Quick drop control for scrapers |
US4955282A (en) * | 1989-03-27 | 1990-09-11 | Ranson Ronald W | Uniform flow hydraulic system |
JPH09316915A (ja) | 1996-05-29 | 1997-12-09 | Kubota Corp | フロントローダの姿勢制御装置 |
-
2003
- 2003-03-19 JP JP2003075261A patent/JP3973584B2/ja not_active Expired - Lifetime
- 2003-03-26 US US10/400,160 patent/US6871575B2/en not_active Expired - Lifetime
- 2003-04-03 KR KR1020030020920A patent/KR100547051B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2004285564A (ja) | 2004-10-14 |
KR100547051B1 (ko) | 2006-01-31 |
JP3973584B2 (ja) | 2007-09-12 |
US20040182233A1 (en) | 2004-09-23 |
US6871575B2 (en) | 2005-03-29 |
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