KR840002734A - 신속한 되돌림행정(行程)을 가진 재크장치 - Google Patents

신속한 되돌림행정(行程)을 가진 재크장치 Download PDF

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Publication number
KR840002734A
KR840002734A KR1019820005647A KR820005647A KR840002734A KR 840002734 A KR840002734 A KR 840002734A KR 1019820005647 A KR1019820005647 A KR 1019820005647A KR 820005647 A KR820005647 A KR 820005647A KR 840002734 A KR840002734 A KR 840002734A
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KR
South Korea
Prior art keywords
piston
cylinder
fluid
cylinder piston
predetermined flow
Prior art date
Application number
KR1019820005647A
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English (en)
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KR860000172B1 (ko
Inventor
제이 레글루 마이클
Original Assignee
로버트 제이. 에드워즈
맥덜모트 인코포레이티드
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Publication of KR840002734A publication Critical patent/KR840002734A/ko
Application granted granted Critical
Publication of KR860000172B1 publication Critical patent/KR860000172B1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C3/00—Launching or hauling-out by landborne slipways; Slipways
    • B63C3/08—Tracks on slipways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
    • B66F1/08—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being operated by fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/26—Adaptations or arrangements of pistons
    • 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
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • F15B11/0365—Tandem constructions
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-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
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to 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
    • F15B2211/70—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
    • F15B2211/7055—Linear output members having more than two chambers
    • F15B2211/7056—Tandem cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Making Paper Articles (AREA)
  • Dowels (AREA)
  • Centrifugal Separators (AREA)
  • Waveguide Aerials (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

내용 없음.

Description

신속한 되돌림행정(行程)을 가진 재크장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 구체화한 재크장치의 평면도.
제3도는 파우어행정중 실린더로부터나 실린더 에로의 유체의 흐름을 설명한 제1도의 재킹장치에 대한 실린더 배치의 개략도.
제5도는 제1도 재크장치의 유체공급과 되돌림장치 및 실린더의 개략도.

Claims (7)

  1. 직렬로 배치된 적어도 하나의 제1 실린더와 적어도 하나의 제2 실린더를 포함한 한 그룹의 적어도 2개의 이중작용 유압실린더, 상술한 그룹의 유압실린더에 유압을 예정된 유속으로 공급하기 위한 유압액체공급수단, 제시한 각 실린더의 피스톤, 피스톤과 로우드사이에 힘을 전달하기 위한 피스톤중 하나에 연결된 제시한 피스톤로드부분, 제시한 피스톤사이에 연결된 다른 피스톤, 제1 방향으로 피스톤에 유압을 가하도록 유체를 피스톤의 각 제1측부에 보내기 위한 수단, 유압이 언급한 제1 방향으로 피스톤에 작용될때 로우드의 이동을 위해 부재에 앵커지점의 구속을 하며, 제2 방향으로 제1 실린더피스톤에 작용될 때 실린더의 이동을 위해 부재(members)에서 앵커지점을 분리시키는 적어도 다른 하나의 앵커지점결속장치들로 구성됨을 특징으로 하는 소정방향에서 격리된 다수의 앵커지점을 가진 부재에 따라 소정방향으로 로우드의 이동을 실현시키기 위한 재크장치.
  2. 1항에 있어서 제1 실런더 피스톤의 제2 축부가 어떤 피스톤로드 부분에도 부착되지 않고 제1 실린더피스톤의 제1 측부로부터 제2 측부에 유체를 분배하는 수단으로 구성되는 한편 유압이 제2방향에서 제1실린더 피스톤에 가해짐을 특징으로 하는 재크장치.
  3. 1항 및 2항중 어느 하나의 항에 있어서 압력이 제2 방향에 제1 실린더 피스톤으로 가해질때 제2 실린더 피스톤의 제2 측부에 진공형성을 방지하기 위한 수단으로 구성됨을 특징으로 하는 재크장치.
  4. 1항 또는 2항에 있어서 유체의 모든 예정된 유속을 제1 실린더 피스톤의 제2 측부에 분배하는 수단이 상술한 공급수단으로 부터 제1 실린더 피스톤의 제2 측부에 유체의 유동을 배양시키는 제1 밸브장치 및 상술한 공급수단으로 부터 제2 실린더에 유체의 유동을 배제함으로써 유체의 예정된 유속이 모두 제1실린더 피스톤의 제2 측부에 분배시키는 수단으로 구성됨을 특징으로 하는 재크장치.
  5. 적어도 하나의 제1 실린더와 적어도 하나의 제2 실린더, 각 실린더의 피스톤, 피스톤의 하나에 연장된 피스톤로드부분, 피스톤사이에 연장된 다른 피스톤로드부분을 포함한 이중작용 직렬실린더장치를 가진 재크장치의 되돌림행정을 실현시키는 방법에 있어서, 직렬실린더장치에 유압을 예정된 유속으로 공급하는 단계 및 제1 실린더 피스톤의 제2 측부에 유체의 모든 예정된 유속을 분배하는 단계로 구성됨을 특징으로 하는 방법.
  6. 5항에 있어서 제1 실린더 피스톤의 제2 측부가 어떤 피스톤 로드부분에도 부착되지 않고, 제1 실린더 피스톤의 제2 측부에 유체를 보냄과 동시에 제1 실린더 피스톤의 어느 측부로부터 제1 실린더 피스톤의 제 2측부에 배출되는 액체를 보내는 단계로 구성됨을 특징으로 하는 방법.
  7. 5항 또는 6항에 있어서 제2 실린더 피스톤의 제2 측부에 진공형성을 방지하는 단계로 구성됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8205647A 1981-12-17 1982-12-16 복귀행정(行程)이 빠른 재킹장치 KR860000172B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/331,737 US4506867A (en) 1981-12-17 1981-12-17 Jacking apparatus having a fast repositioning stroke
US331737 1981-12-17

Publications (2)

Publication Number Publication Date
KR840002734A true KR840002734A (ko) 1984-07-16
KR860000172B1 KR860000172B1 (ko) 1986-02-28

Family

ID=23295167

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8205647A KR860000172B1 (ko) 1981-12-17 1982-12-16 복귀행정(行程)이 빠른 재킹장치

Country Status (8)

Country Link
US (1) US4506867A (ko)
EP (1) EP0082676B1 (ko)
JP (1) JPS58109395A (ko)
KR (1) KR860000172B1 (ko)
AU (1) AU554581B2 (ko)
DE (1) DE3274669D1 (ko)
IN (1) IN157339B (ko)
NO (1) NO824239L (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60148707U (ja) * 1984-03-10 1985-10-02 日本鉱機株式会社 重量物移動装置
DE3523944A1 (de) * 1985-07-04 1987-01-15 Dyckerhoff & Widmann Ag Einrichtung zum bewegen schwerer lasten, z. b. baukoerper, gerueste oder dergleichen
US5098065A (en) * 1987-12-22 1992-03-24 Aldo Beletich Mine extraction device and method
GB8905202D0 (en) * 1989-03-08 1989-04-19 Qualter Hall & Co Ltd Power operated device
US5114861A (en) * 1990-09-14 1992-05-19 General Electric Company Detecting the endpoint in interfacial aromatic polycarbonate polymerization reactions
CA2185378A1 (en) * 1995-09-29 1997-03-30 Joseph E. O'brien Actuator for forming a flange on a wheelhouse
FI100677B (fi) * 1996-09-13 1998-01-30 Multilift Oy Menetelmä hydraulisesti käytetyn koneen liikenopeuden ohjaamiseksi, hy draulisesti käytetyn koneen käyttöjärjestelmä ja ohjauslaitteisto
US6572080B1 (en) 2001-06-15 2003-06-03 Chris A. Delikatzis Dual hydraulic jack system
JP5714341B2 (ja) * 2011-01-19 2015-05-07 ナブテスコ株式会社 航空機用アクチュエータ
US20150217938A1 (en) * 2014-02-05 2015-08-06 Ventura Hydraulic & Machine Works, Inc. Hydraulic Device With Heating Element
WO2016080874A1 (en) 2014-11-19 2016-05-26 Saab Ab A fluid actuator arrangement
US11286965B2 (en) 2016-05-19 2022-03-29 Saab Ab Fluid actuator arrangement and a method for control of a fluid actuator arrangement

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US2517164A (en) * 1947-02-19 1950-08-01 Bruno F Arps Two-speed hydraulic ram
US2962001A (en) * 1958-11-07 1960-11-29 Hartford Special Machinery Co Hydro-pneumatic power mechanism
US3170379A (en) * 1962-02-13 1965-02-23 Dempster Brothers Inc Hydraulic system
US3680713A (en) * 1970-11-09 1972-08-01 Snorkel Fire Equipment Co Fluid power device
US4024794A (en) * 1973-02-02 1977-05-24 Amp Incorporated Pneumatically operated cable-slitting tool
FR2309430A1 (fr) * 1975-05-02 1976-11-26 Union Ind Entreprise Dispositif de manutention destine au ripage de lourdes charges
US4007915A (en) * 1975-12-15 1977-02-15 Hydranautics Jacking apparatus
GB1568086A (en) * 1976-03-05 1980-05-21 Kosmala R Hydraulic devices
US4296677A (en) * 1979-06-25 1981-10-27 Mcdonnell Douglas Corporation Tandem hydraulic actuator

Also Published As

Publication number Publication date
EP0082676A3 (en) 1983-11-30
NO824239L (no) 1983-06-20
EP0082676A2 (en) 1983-06-29
AU554581B2 (en) 1986-08-28
EP0082676B1 (en) 1986-12-10
DE3274669D1 (en) 1987-01-22
KR860000172B1 (ko) 1986-02-28
IN157339B (ko) 1986-03-01
US4506867A (en) 1985-03-26
JPS58109395A (ja) 1983-06-29
AU9156082A (en) 1983-06-23

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