CN1124418C - 液压伺服装置 - Google Patents

液压伺服装置 Download PDF

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Publication number
CN1124418C
CN1124418C CN98103096.3A CN98103096A CN1124418C CN 1124418 C CN1124418 C CN 1124418C CN 98103096 A CN98103096 A CN 98103096A CN 1124418 C CN1124418 C CN 1124418C
Authority
CN
China
Prior art keywords
oil
oil duct
space
hydraulic cylinder
piston
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 - Lifetime
Application number
CN98103096.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN1210208A (zh
Inventor
绪方大洋
木村克己
杉山和彦
服部和男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebara Corp
Original Assignee
Ebara Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ebara Corp filed Critical Ebara Corp
Publication of CN1210208A publication Critical patent/CN1210208A/zh
Application granted granted Critical
Publication of CN1124418C publication Critical patent/CN1124418C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Actuator (AREA)
CN98103096.3A 1997-07-29 1998-07-29 液压伺服装置 Expired - Lifetime CN1124418C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP218003/1997 1997-07-29
JP218003/97 1997-07-29
JP21800397A JP3494858B2 (ja) 1997-07-29 1997-07-29 油圧サーボ装置

Publications (2)

Publication Number Publication Date
CN1210208A CN1210208A (zh) 1999-03-10
CN1124418C true CN1124418C (zh) 2003-10-15

Family

ID=16713111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98103096.3A Expired - Lifetime CN1124418C (zh) 1997-07-29 1998-07-29 液压伺服装置

Country Status (4)

Country Link
EP (1) EP0894982B1 (fr)
JP (1) JP3494858B2 (fr)
CN (1) CN1124418C (fr)
DE (1) DE69820934T2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7249458B2 (en) * 2005-07-22 2007-07-31 Ashradn Holdings Ltd. Self-contained hydraulic actuator system
US9140403B2 (en) * 2008-02-29 2015-09-22 Cbe Global Holdings, Inc. Single-axis drive system and method
AU2010214088A1 (en) * 2009-02-10 2011-09-15 Cbe Global Holdings, Inc. Non-linear actuator system and method
CN103029828B (zh) * 2012-12-11 2016-03-23 江西洪都航空工业集团有限责任公司 一种机械式旋转作动器
GB2517459A (en) * 2013-08-21 2015-02-25 Airbus Uk Ltd A hydraulic actuator arrangement
KR101888053B1 (ko) * 2016-12-02 2018-08-13 한국남부발전(주) 스쿠프튜브 유압조절장치를 구비한 대용량 변속 유체 커플링
CN119755174B (zh) * 2025-03-06 2025-05-23 长春一东汽车零部件制造有限责任公司 一种电动伺服液压缸

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874542A (en) * 1943-04-21 1959-02-24 Sperry Rand Corp Motion reproducing mechanism
GB693504A (en) * 1949-07-25 1953-07-01 Boulton Aircraft Ltd Improvements in and relating to servo systems
US2926635A (en) * 1957-12-24 1960-03-01 Clark Equipment Co Power shifting mechanism
US3757640A (en) * 1971-12-01 1973-09-11 Avco Corp Simplified follower servomechanism
US4245547A (en) * 1977-10-31 1981-01-20 Commercial Shearing, Inc. Rotary to linear servo mechanisms
DE3374578D1 (en) * 1982-02-26 1987-12-23 Parisienne Outillage Hydraulic directional spool valve
JPS60256603A (ja) * 1984-06-01 1985-12-18 Yukio Watanabe シリンダ装置
JPH0729313Y2 (ja) * 1990-10-18 1995-07-05 株式会社大金製作所 プルタイプクラッチ用レリーズ装置
DE19537417C2 (de) * 1995-10-07 1997-07-24 Eurocopter Deutschland Hydraulischer Stellantrieb

Also Published As

Publication number Publication date
EP0894982A3 (fr) 2000-05-24
EP0894982A2 (fr) 1999-02-03
DE69820934T2 (de) 2004-11-04
JP3494858B2 (ja) 2004-02-09
EP0894982B1 (fr) 2004-01-07
JPH1144303A (ja) 1999-02-16
DE69820934D1 (de) 2004-02-12
CN1210208A (zh) 1999-03-10

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Granted publication date: 20031015