JPH01133503U - - Google Patents
Info
- Publication number
- JPH01133503U JPH01133503U JP1988028563U JP2856388U JPH01133503U JP H01133503 U JPH01133503 U JP H01133503U JP 1988028563 U JP1988028563 U JP 1988028563U JP 2856388 U JP2856388 U JP 2856388U JP H01133503 U JPH01133503 U JP H01133503U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- directional control
- cylinder
- switching
- control valve
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- 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
- E02F3/627—Devices to connect beams or arms to tractors or similar self-propelled machines, e.g. drives 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
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- 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
-
- 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
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
-
- 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
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
- F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow 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
- 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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988028563U JPH01133503U (US06373033-20020416-M00071.png) | 1988-03-03 | 1988-03-03 | |
| DE89103400T DE68909069T2 (de) | 1988-03-03 | 1989-02-27 | Hydraulische Schaltung für Zylinder. |
| ES89103400T ES2043915T3 (es) | 1988-03-03 | 1989-02-27 | Un circuito hidraulico para un cilindro. |
| EP89103400A EP0331076B1 (en) | 1988-03-03 | 1989-02-27 | Hydraulic circuit for cylinder |
| US07/316,131 US4955283A (en) | 1988-03-03 | 1989-02-27 | Hydraulic circuit for cylinder |
| KR1019890002468A KR930005274B1 (ko) | 1988-03-03 | 1989-02-28 | 실린더용 유압회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988028563U JPH01133503U (US06373033-20020416-M00071.png) | 1988-03-03 | 1988-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133503U true JPH01133503U (US06373033-20020416-M00071.png) | 1989-09-12 |
Family
ID=12252110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988028563U Pending JPH01133503U (US06373033-20020416-M00071.png) | 1988-03-03 | 1988-03-03 |
Country Status (6)
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995026476A1 (fr) * | 1994-03-29 | 1995-10-05 | Komatsu Ltd. | Vanne distributrice regulatrice commandee par pression de reference et dispositif de commande a cylindre |
| JPH0663521B2 (ja) * | 1988-02-29 | 1994-08-22 | 株式会社小松製作所 | 操作弁装置 |
| JP2559612B2 (ja) * | 1988-02-29 | 1996-12-04 | 株式会社小松製作所 | 操作弁装置 |
| WO1990001588A1 (en) * | 1988-08-02 | 1990-02-22 | Kabushiki Kaisha Komatsu Seisakusho | Moving speed regulator for hydraulically driven working machines |
| DE3922553C2 (de) * | 1989-07-08 | 2002-03-14 | Mannesmann Rexroth Ag | Vorrichtung zur Entlastung eines unter hohem Druck stehenden mit Hydraulikflüssigkeit gefüllten Arbeitsraumes |
| IT1244021B (it) * | 1990-11-21 | 1994-06-28 | Siti | Circuito idraulico per un apparato di pressatura e apparato di pressatura impiegante il circuito idraulico |
| US5207059A (en) * | 1992-01-15 | 1993-05-04 | Caterpillar Inc. | Hydraulic control system having poppet and spool type valves |
| SE470446B (sv) * | 1992-08-21 | 1994-03-28 | Electrolux Ab | Hydraulmotor försedd med en by-pass-ledning mellan in- och utloppsledning, i vilken by-pass-ledning är anordnad en huvudventil för pådrag respektive stopp av hydraulmotorn |
| US5349151A (en) * | 1993-02-08 | 1994-09-20 | Savair Inc. | Low impact flow control device |
| US5331882A (en) * | 1993-04-05 | 1994-07-26 | Deere & Company | Control valve system with float valve |
| WO1995005545A1 (fr) * | 1993-08-13 | 1995-02-23 | Komatsu Ltd. | Dispositif de regulation de debit pour circuit hydraulique |
| JPH07127607A (ja) * | 1993-09-07 | 1995-05-16 | Yutani Heavy Ind Ltd | 作業機械の油圧装置 |
| JPH07139507A (ja) * | 1993-11-15 | 1995-05-30 | Shin Caterpillar Mitsubishi Ltd | 建設機械のアクチュエータ制御装置 |
| JPH08114202A (ja) * | 1994-09-30 | 1996-05-07 | Samsung Heavy Ind Co Ltd | ホールディングチェックコントロールバルブ |
| US5490384A (en) * | 1994-12-08 | 1996-02-13 | Caterpillar Inc. | Hydraulic flow priority system |
| DE19528981C1 (de) * | 1995-08-07 | 1996-10-02 | Heilmeier & Weinlein | Verfahren zum Steuern eines Hydroverbrauchers und hydraulische Steuervorrichtung zur Durchführung des Verfahrens |
| DE69626537T2 (de) * | 1995-12-15 | 2004-02-12 | Parker Hannifin Plc, Hemel Hempstead | Steuerventile |
| EP0864761A4 (en) * | 1996-08-08 | 2000-09-27 | Hitachi Construction Machinery | HYDRAULIC CONTROL DEVICE |
| JP3478931B2 (ja) * | 1996-09-20 | 2003-12-15 | 新キャタピラー三菱株式会社 | 油圧回路 |
| JP3919399B2 (ja) * | 1998-11-25 | 2007-05-23 | カヤバ工業株式会社 | 油圧制御回路 |
| DE60019500T2 (de) | 1999-07-23 | 2006-02-23 | Kabushiki Kaisha Toyota Jidoshokki, Kariya | Steuervorrichtung für Zylinder |
| US6409142B1 (en) * | 1999-10-20 | 2002-06-25 | Hitachi Construction Machinery Co. Ltd. | Pipe breakage control valve device |
| JP3727828B2 (ja) * | 2000-05-19 | 2005-12-21 | 日立建機株式会社 | 配管破断制御弁装置 |
| KR20030052031A (ko) * | 2001-12-20 | 2003-06-26 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설중장비용 유압밸브의 제어장치 |
| JP3915622B2 (ja) * | 2002-07-30 | 2007-05-16 | コベルコ建機株式会社 | 油圧アクチュエータ回路の負荷保持装置 |
| KR100611718B1 (ko) * | 2005-06-17 | 2006-08-11 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 홀딩밸브를 갖는 압력보상형 유압회로 |
| US7213502B2 (en) * | 2005-09-09 | 2007-05-08 | Caterpillar Inc | Robustly stable servo-controlled metering poppet valve |
| WO2007069748A1 (ja) * | 2005-12-14 | 2007-06-21 | Kayaba Industry Co., Ltd. | アクチュエータ制御装置 |
| WO2007079041A2 (en) * | 2005-12-30 | 2007-07-12 | Roger Hirsch | Resistance welding machine pinch point safety sensor |
| EP1895168B1 (en) * | 2006-09-01 | 2009-05-06 | Parker Hannifin Aktiebolag | Valve arrangement |
| EP1895169A1 (en) * | 2006-09-04 | 2008-03-05 | OIL CONTROL S.p.A. | A high pressure relief and control valve assembly |
| US9032861B2 (en) | 2009-07-06 | 2015-05-19 | Bucher Hydraulics Ag | Arrangement for providing a variable throttle cross-section for a fluid flow |
| US8863509B2 (en) * | 2011-08-31 | 2014-10-21 | Caterpillar Inc. | Meterless hydraulic system having load-holding bypass |
| US8944103B2 (en) | 2011-08-31 | 2015-02-03 | Caterpillar Inc. | Meterless hydraulic system having displacement control valve |
| US8966891B2 (en) | 2011-09-30 | 2015-03-03 | Caterpillar Inc. | Meterless hydraulic system having pump protection |
| US9670943B2 (en) * | 2013-04-22 | 2017-06-06 | Parker-Hannifin Corporation | Method for controlling pressure in a hydraulic actuator |
| CN104019072A (zh) * | 2014-06-11 | 2014-09-03 | 山重建机有限公司 | 一种先导式多路阀系统和液压系统 |
| US20170023149A1 (en) * | 2015-07-22 | 2017-01-26 | Cnh Industrial America Llc | Hydraulic signal control system and method |
| DE102016006545A1 (de) * | 2016-05-25 | 2017-11-30 | Hydac System Gmbh | Ventilvorrichtung |
| DE102016124118B4 (de) * | 2016-12-13 | 2021-12-09 | Voith Patent Gmbh | Hydraulischer Antrieb mit Eil- und Lasthub |
| EP3770339A4 (en) * | 2018-03-22 | 2021-05-26 | Sumitomo Heavy Industries, Ltd. | EXCAVATOR |
| CN115667733A (zh) * | 2020-05-22 | 2023-01-31 | 沃尔沃建筑设备公司 | 液压机 |
| EP4279779A4 (en) * | 2021-05-16 | 2024-04-03 | Wuxi InfiMotion Technology Co., Ltd. | HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM AND GEARBOX |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3805678A (en) * | 1972-04-17 | 1974-04-23 | Caterpillar Tractor Co | Hydraulic control system for load supporting hydraulic motors |
| DE2314590A1 (de) * | 1973-03-23 | 1974-09-26 | Parker Hannifin Corp | Ventilanordnung |
| US4088151A (en) * | 1976-05-26 | 1978-05-09 | Borg-Warner Corporation | Cylinder locking apparatus |
| US4194532A (en) * | 1978-04-10 | 1980-03-25 | Caterpillar Tractor Co. | Control valve with bypass means |
| US4204459A (en) * | 1978-04-19 | 1980-05-27 | Caterpillar Tractor Co. | Combination check and flow control valve for hydraulic systems |
| SE419021B (sv) * | 1979-02-22 | 1981-07-06 | Ellemtel Utvecklings Ab | Festanordning elektrisk komponent med tva cylindriska i forhallande till varandra vridbara delar |
| IT1118648B (it) * | 1979-05-18 | 1986-03-03 | Chs Cinotto Giuseppe Hydraulic | Dispositivo di sicurezza per circuiti idraulici particolarmente di scavatrici sollevatori e simili |
| US4509406A (en) * | 1980-06-16 | 1985-04-09 | Caterpillar Tractor Co. | Pressure reducing valve for dead engine lowering |
| US4417502A (en) * | 1980-11-17 | 1983-11-29 | Dresser Industries, Inc. | Load supporting hydraulic circuit with emergency automatic load restraint |
| US4571941A (en) * | 1980-12-27 | 1986-02-25 | Hitachi Construction Machinery Co, Ltd. | Hydraulic power system |
| DE3128044A1 (de) * | 1981-07-16 | 1983-02-03 | Mannesmann Rexroth GmbH, 8770 Lohr | "vorrichtung zum betaetigen eines doppeltwirkenden arbeitszylinders" |
| JPS61186804U (US06373033-20020416-M00071.png) * | 1985-05-15 | 1986-11-21 | ||
| DE3678090D1 (de) * | 1985-09-06 | 1991-04-18 | Hitachi Construction Machinery | Hydraulisches vorsteuersystem fuer die bedienung von wegeventilen. |
| JP2673472B2 (ja) * | 1991-01-31 | 1997-11-05 | 松下電工株式会社 | 電磁誘導加熱のヘア−カ−ラ−の種類の判別方法 |
| JPH086804A (ja) * | 1994-06-17 | 1996-01-12 | Toshiba Corp | 負荷割り付け方法 |
-
1988
- 1988-03-03 JP JP1988028563U patent/JPH01133503U/ja active Pending
-
1989
- 1989-02-27 EP EP89103400A patent/EP0331076B1/en not_active Expired - Lifetime
- 1989-02-27 US US07/316,131 patent/US4955283A/en not_active Expired - Fee Related
- 1989-02-27 ES ES89103400T patent/ES2043915T3/es not_active Expired - Lifetime
- 1989-02-27 DE DE89103400T patent/DE68909069T2/de not_active Expired - Fee Related
- 1989-02-28 KR KR1019890002468A patent/KR930005274B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4955283A (en) | 1990-09-11 |
| DE68909069T2 (de) | 1994-02-03 |
| EP0331076A1 (en) | 1989-09-06 |
| DE68909069D1 (de) | 1993-10-21 |
| ES2043915T3 (es) | 1994-01-01 |
| KR930005274B1 (ko) | 1993-06-17 |
| KR890014843A (ko) | 1989-10-25 |
| EP0331076B1 (en) | 1993-09-15 |
