JP5771332B2 - 建設機械の油圧制御システム - Google Patents
建設機械の油圧制御システム Download PDFInfo
- Publication number
- JP5771332B2 JP5771332B2 JP2014524910A JP2014524910A JP5771332B2 JP 5771332 B2 JP5771332 B2 JP 5771332B2 JP 2014524910 A JP2014524910 A JP 2014524910A JP 2014524910 A JP2014524910 A JP 2014524910A JP 5771332 B2 JP5771332 B2 JP 5771332B2
- Authority
- JP
- Japan
- Prior art keywords
- arm
- bucket
- hydraulic
- hydraulic pump
- operating device
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
- E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
-
- 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
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
-
- 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
- E02F9/2004—Control mechanisms, e.g. control levers
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2282—Systems using center bypass type changeover valves
-
- 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
-
- 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
-
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
-
- 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
- F15B2211/20576—Systems with pumps with multiple pumps
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
-
- 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
- Y10T137/85978—With pump
- Y10T137/85986—Pumped fluid control
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2011/005790 WO2013022131A1 (fr) | 2011-08-09 | 2011-08-09 | Système de commande hydraulique pour engins de chantier |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014522952A JP2014522952A (ja) | 2014-09-08 |
JP5771332B2 true JP5771332B2 (ja) | 2015-08-26 |
Family
ID=47668625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014524910A Expired - Fee Related JP5771332B2 (ja) | 2011-08-09 | 2011-08-09 | 建設機械の油圧制御システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140158235A1 (fr) |
EP (1) | EP2743517A4 (fr) |
JP (1) | JP5771332B2 (fr) |
KR (1) | KR20140050030A (fr) |
CN (1) | CN103717914B (fr) |
WO (1) | WO2013022131A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112016006779B4 (de) | 2016-09-21 | 2022-06-09 | Komatsu Ltd. | Arbeitsfahrzeug und Hydraulik-Steuerungsverfahren |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101650061B1 (ko) | 2012-01-02 | 2016-08-22 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계용 덤프 구동 제어방법 |
US9562345B2 (en) | 2012-06-04 | 2017-02-07 | Volvo Construction Equipment Ab | Driving control method for construction machine |
DE112013006501T5 (de) | 2013-01-24 | 2016-03-31 | Volvo Construction Equipment Ab | Vorrichtung und Verfahren zum Steuern einer Flussrate bei Baumaschinen |
KR20150005752A (ko) * | 2013-07-04 | 2015-01-15 | 현대중공업 주식회사 | 플로팅 기능을 가지는 붐 합류용 유압회로 |
JP5975073B2 (ja) * | 2014-07-30 | 2016-08-23 | コベルコ建機株式会社 | 建設機械 |
GB2547959B (en) | 2016-01-08 | 2020-07-08 | Cummins Inc | Communication interface for start-stop systems and methods |
CN111465738B (zh) * | 2017-12-14 | 2022-05-27 | 沃尔沃建筑设备公司 | 液压机械 |
CN110861225A (zh) * | 2019-11-26 | 2020-03-06 | 中铁十一局集团第二工程有限公司 | 隧道衬砌的切割方法 |
CN111501893A (zh) * | 2020-04-30 | 2020-08-07 | 徐州徐工挖掘机械有限公司 | 负流量液压***和挖掘机 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2551543B2 (ja) * | 1988-06-17 | 1996-11-06 | 油谷重工株式会社 | 油圧ショベルの油圧回路 |
JP3142170B2 (ja) * | 1992-04-10 | 2001-03-07 | 株式会社小松製作所 | 油圧回路における圧抜き装置 |
JP3458875B2 (ja) * | 1995-10-24 | 2003-10-20 | コベルコ建機株式会社 | 建設機械の油圧回路 |
JP3183815B2 (ja) * | 1995-12-27 | 2001-07-09 | 日立建機株式会社 | 油圧ショベルの油圧回路 |
JP3943779B2 (ja) * | 1999-01-19 | 2007-07-11 | 日立建機株式会社 | 土木・建設機械の油圧駆動装置 |
JP2001295803A (ja) * | 2000-04-10 | 2001-10-26 | Hitachi Constr Mach Co Ltd | 作業機械の油圧駆動装置 |
JP3606177B2 (ja) * | 2000-07-25 | 2005-01-05 | 住友建機製造株式会社 | 油圧ショベルの制御回路 |
US6877417B2 (en) * | 2001-04-17 | 2005-04-12 | Shin Caterpillar Mitsubishi Ltd. | Fluid pressure circuit |
JP4209705B2 (ja) * | 2003-03-17 | 2009-01-14 | 日立建機株式会社 | 作業機の油圧回路 |
JP4062160B2 (ja) * | 2003-04-23 | 2008-03-19 | コベルコ建機株式会社 | 油圧バルブ装置 |
KR100975266B1 (ko) * | 2005-05-18 | 2010-08-11 | 가부시키가이샤 고마쓰 세이사쿠쇼 | 건설기계의 유압제어장치 |
JP2007100779A (ja) * | 2005-10-03 | 2007-04-19 | Kayaba Ind Co Ltd | 油圧制御装置 |
JP4948046B2 (ja) * | 2006-06-06 | 2012-06-06 | カヤバ工業株式会社 | 建設機械の動力装置 |
CN101929177A (zh) * | 2008-07-02 | 2010-12-29 | 沃尔沃建造设备控股(瑞典)有限公司 | 用于挖掘机的液压控制*** |
KR100961433B1 (ko) * | 2008-10-13 | 2010-06-09 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설장비용 유압시스템 |
EP2157245B1 (fr) * | 2008-08-21 | 2021-03-17 | Volvo Construction Equipment AB | Système hydraulique pour équipement de construction. |
-
2011
- 2011-08-09 KR KR20147002787A patent/KR20140050030A/ko not_active Application Discontinuation
- 2011-08-09 EP EP20110870643 patent/EP2743517A4/fr not_active Withdrawn
- 2011-08-09 WO PCT/KR2011/005790 patent/WO2013022131A1/fr active Application Filing
- 2011-08-09 US US14/235,182 patent/US20140158235A1/en not_active Abandoned
- 2011-08-09 JP JP2014524910A patent/JP5771332B2/ja not_active Expired - Fee Related
- 2011-08-09 CN CN201180072647.XA patent/CN103717914B/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112016006779B4 (de) | 2016-09-21 | 2022-06-09 | Komatsu Ltd. | Arbeitsfahrzeug und Hydraulik-Steuerungsverfahren |
US11408145B2 (en) | 2016-09-21 | 2022-08-09 | Komatsu Ltd. | Work vehicle and hydraulic control method |
Also Published As
Publication number | Publication date |
---|---|
JP2014522952A (ja) | 2014-09-08 |
US20140158235A1 (en) | 2014-06-12 |
EP2743517A1 (fr) | 2014-06-18 |
CN103717914A (zh) | 2014-04-09 |
EP2743517A4 (fr) | 2015-04-08 |
CN103717914B (zh) | 2016-05-11 |
WO2013022131A1 (fr) | 2013-02-14 |
KR20140050030A (ko) | 2014-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5771332B2 (ja) | 建設機械の油圧制御システム | |
KR101088753B1 (ko) | 굴삭기용 유압구동 시스템 | |
JP5779256B2 (ja) | 建設機械の油圧システム | |
JP5747087B2 (ja) | 建設機械のエネルギー再生システム | |
US8146355B2 (en) | Traveling device for crawler type heavy equipment | |
KR101760038B1 (ko) | 건설기계의 유량 제어장치 및 제어방법 | |
EP2733362A1 (fr) | Système de commande d'amortissement d'actionneur hydraulique pour machines de construction | |
EP2267229A2 (fr) | Système de commande hydraulique pour la structure tournante d'un excavateur | |
JPWO2005047709A1 (ja) | 建設機械の油圧制御装置 | |
US10428491B2 (en) | Flow rate control apparatus of construction equipment and control method therefor | |
JP6196567B2 (ja) | 建設機械の油圧駆動システム | |
JP5945366B2 (ja) | 建設機械用油圧システム | |
US10330128B2 (en) | Hydraulic control system for work machine | |
JP2005016720A (ja) | ブーム合流用スプールを利用した重装備オプション装置用油圧回路 | |
JP2019528415A (ja) | 建設機械の制御システム及び建設機械の制御方法 | |
JP6618445B2 (ja) | 作業車両用油圧制御装置 | |
KR101186568B1 (ko) | 작업모드 설정기능이 구비된 유압시스템 | |
GB2516804A (en) | Method for controlling hydraulic system for construction machine | |
KR102088062B1 (ko) | 굴삭기의 주행제어장치 | |
JP5602034B2 (ja) | ホイール式走行作業車の走行駆動回路装置 | |
JP2014190514A (ja) | 建設機械のポンプ制御装置 | |
US9725885B2 (en) | Hydraulic construction machinery | |
JP2015034617A (ja) | ポンプ合流回路および作業機械 | |
JP4703418B2 (ja) | 油圧アクチュエータ用制御回路 | |
JP2011074972A (ja) | 油圧回路装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140729 |
|
TRDD | Decision of grant or rejection written | ||
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150528 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150602 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150626 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5771332 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |