DE602006018246D1 - Hydraulischer Kreislauf für schwere Baumaschinen - Google Patents
Hydraulischer Kreislauf für schwere BaumaschinenInfo
- Publication number
- DE602006018246D1 DE602006018246D1 DE602006018246T DE602006018246T DE602006018246D1 DE 602006018246 D1 DE602006018246 D1 DE 602006018246D1 DE 602006018246 T DE602006018246 T DE 602006018246T DE 602006018246 T DE602006018246 T DE 602006018246T DE 602006018246 D1 DE602006018246 D1 DE 602006018246D1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic circuit
- construction machinery
- heavy construction
- heavy
- machinery
- 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.)
- Active
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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- 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
- E02F9/08—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
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with 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
- 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
-
- 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
- F15B2211/20538—Type of pump constant 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
-
- 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
- F15B2211/7058—Rotary 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050120538A KR100665113B1 (ko) | 2005-12-09 | 2005-12-09 | 중장비의 유압회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602006018246D1 true DE602006018246D1 (de) | 2010-12-30 |
Family
ID=37600839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602006018246T Active DE602006018246D1 (de) | 2005-12-09 | 2006-04-29 | Hydraulischer Kreislauf für schwere Baumaschinen |
Country Status (6)
Country | Link |
---|---|
US (1) | US7478531B2 (de) |
EP (1) | EP1795657B1 (de) |
JP (1) | JP4545113B2 (de) |
KR (1) | KR100665113B1 (de) |
CN (1) | CN100552239C (de) |
DE (1) | DE602006018246D1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100791105B1 (ko) | 2006-05-23 | 2008-01-02 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 굴삭기 붐 속도 증속장치 |
KR20100012008A (ko) * | 2008-07-26 | 2010-02-04 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 선회 속도 조정시스템이 구비된 파이프 레이어 |
KR20110077061A (ko) * | 2009-12-30 | 2011-07-07 | 볼보 컨스트럭션 이큅먼트 에이비 | 오픈센터 방식의 굴삭기용 유압시스템의 선회모터 제어방법 |
DE102011119945A1 (de) * | 2011-12-01 | 2013-06-06 | Liebherr-Hydraulikbagger Gmbh | Hydrauliksystem |
WO2016163058A1 (ja) * | 2015-04-07 | 2016-10-13 | 株式会社クボタ | 作業機の油圧システム及びこの油圧システムを備えた作業機 |
US9663923B2 (en) * | 2015-08-14 | 2017-05-30 | Deere & Company | Valve stack assembly |
KR102388136B1 (ko) * | 2016-05-18 | 2022-04-19 | 현대두산인프라코어(주) | 건설 기계의 안전 시스템 |
JP7113599B2 (ja) * | 2017-02-16 | 2022-08-05 | 住友重機械工業株式会社 | ショベル |
CN111637104B (zh) * | 2020-04-22 | 2022-07-05 | 北京精密机电控制设备研究所 | 一种同轴模块化设计的三余度电静压伺服机构 |
US11198987B2 (en) * | 2020-04-24 | 2021-12-14 | Caterpillar Inc. | Hydraulic circuit for a swing system in a machine |
IT202200005456A1 (it) * | 2022-03-21 | 2023-09-21 | Cnh Ind Italia Spa | Pala o scavatore |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1035141A (en) * | 1964-05-07 | 1966-07-06 | Priestman Brothers | Improvements relating to civil engineering machines |
DE1952034A1 (de) * | 1969-10-15 | 1971-04-22 | Linde Ag | Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu |
JPS6315409Y2 (de) * | 1980-06-24 | 1988-04-28 | ||
DE3102532C1 (de) * | 1981-01-27 | 1982-09-30 | O & K Orenstein & Koppel Ag, 1000 Berlin | Schwenkantrieb fuer Foerdergeraete mit einem schwenkbaren Oberbau und einem schwenkbaren Verladebandausleger |
JPS6255337A (ja) * | 1985-08-30 | 1987-03-11 | Sumitomo Heavy Ind Ltd | 油圧シヨベルの油圧装置 |
JPS62284835A (ja) * | 1986-06-03 | 1987-12-10 | Sumitomo Heavy Ind Ltd | 油圧シヨベルの油圧回路 |
JPS62284836A (ja) * | 1986-06-03 | 1987-12-10 | Sumitomo Heavy Ind Ltd | 油圧シヨベルの油圧回路 |
JP2556697B2 (ja) * | 1987-03-30 | 1996-11-20 | 三陽機器株式会社 | ロ−ダのダンプ制御用油圧装置 |
JPH0230820A (ja) * | 1988-07-21 | 1990-02-01 | Kubota Ltd | バックホウの油圧回路 |
JPH04149326A (ja) * | 1990-10-12 | 1992-05-22 | Yutani Heavy Ind Ltd | 建設機械の油圧制御回路 |
JP2559022Y2 (ja) * | 1992-12-21 | 1998-01-14 | 新キャタピラー三菱株式会社 | 建設機械の旋回用油圧回路 |
JP3564181B2 (ja) * | 1994-12-12 | 2004-09-08 | 日立建機株式会社 | 油圧モータの駆動制御装置 |
JP3597693B2 (ja) * | 1998-02-18 | 2004-12-08 | 日立建機株式会社 | 油圧駆動回路 |
-
2005
- 2005-12-09 KR KR1020050120538A patent/KR100665113B1/ko not_active IP Right Cessation
-
2006
- 2006-04-20 US US11/408,261 patent/US7478531B2/en not_active Expired - Fee Related
- 2006-04-27 CN CNB2006100771404A patent/CN100552239C/zh not_active Expired - Fee Related
- 2006-04-28 JP JP2006124595A patent/JP4545113B2/ja not_active Expired - Fee Related
- 2006-04-29 DE DE602006018246T patent/DE602006018246D1/de active Active
- 2006-04-29 EP EP06008990A patent/EP1795657B1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1795657B1 (de) | 2010-11-17 |
EP1795657A3 (de) | 2008-12-24 |
KR100665113B1 (ko) | 2007-01-04 |
JP4545113B2 (ja) | 2010-09-15 |
EP1795657A2 (de) | 2007-06-13 |
JP2007162450A (ja) | 2007-06-28 |
US20070130936A1 (en) | 2007-06-14 |
CN1978921A (zh) | 2007-06-13 |
CN100552239C (zh) | 2009-10-21 |
US7478531B2 (en) | 2009-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE602006018246D1 (de) | Hydraulischer Kreislauf für schwere Baumaschinen | |
DE502005000416D1 (de) | Hydraulikaggregat für Flurförderzeuge | |
DK2902552T3 (da) | Slidelement for udgravningsmateriel | |
ATE488987T1 (de) | Hydraulische anordnung | |
DE602006015057D1 (de) | Baumaschine | |
DE602007004787D1 (de) | Hydraulisches Baggersystem | |
DE602006012084D1 (de) | Motorsteuerung für hydraulischen schaufelbagger | |
FI20050538A0 (fi) | Voimansiirtolaitteisto | |
DE602006003381D1 (de) | Fahrsystem für schwere Baumaschine | |
DE502006007910D1 (de) | Kran | |
BRPI0814565A2 (pt) | Máquina hidráulica | |
DE602006009864D1 (de) | Ölpumpe | |
ES2389135T8 (es) | Máquinaria de carga | |
DE602006011526D1 (de) | Hydraulisches System für Arbeitsfahrzeug | |
DE502006009192D1 (de) | Kran | |
DE502007003508D1 (de) | - oder hydraulikfederungsteilen | |
DE602007000171D1 (de) | Hydraulisch betriebenes Fahrzeug | |
FI20095306A (fi) | Öljypuomi | |
DE602006007126D1 (de) | Hydraulische flanschverbindung | |
FI20055054A (fi) | Valitsin | |
SE0500403L (sv) | Oljeavskiljare | |
DE502006005430D1 (de) | Hydraulische bearbeitungszange | |
FR2903064B1 (fr) | Circuit hydraulique de freinage | |
FI20055006A (fi) | Kiertovirtakuristin | |
ATE439475T1 (de) | Zwischenstück für leiteinrichtungen |