JPS6245407U - - Google Patents

Info

Publication number
JPS6245407U
JPS6245407U JP1986120433U JP12043386U JPS6245407U JP S6245407 U JPS6245407 U JP S6245407U JP 1986120433 U JP1986120433 U JP 1986120433U JP 12043386 U JP12043386 U JP 12043386U JP S6245407 U JPS6245407 U JP S6245407U
Authority
JP
Japan
Prior art keywords
rod
locking element
cylinder
actuator
locking
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.)
Granted
Application number
JP1986120433U
Other languages
English (en)
Japanese (ja)
Other versions
JPS634801Y2 (zh
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 filed Critical
Publication of JPS6245407U publication Critical patent/JPS6245407U/ja
Application granted granted Critical
Publication of JPS634801Y2 publication Critical patent/JPS634801Y2/ja
Expired legal-status Critical Current

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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
    • E21B33/062—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)
JP1986120433U 1983-01-31 1986-08-07 Expired JPS634801Y2 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46176183A 1983-01-31 1983-01-31

Publications (2)

Publication Number Publication Date
JPS6245407U true JPS6245407U (zh) 1987-03-19
JPS634801Y2 JPS634801Y2 (zh) 1988-02-08

Family

ID=23833835

Family Applications (2)

Application Number Title Priority Date Filing Date
JP58122462A Pending JPS59144807A (ja) 1983-01-31 1983-07-07 流体圧駆動式軸方向往復アクチユエ−タ
JP1986120433U Expired JPS634801Y2 (zh) 1983-01-31 1986-08-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP58122462A Pending JPS59144807A (ja) 1983-01-31 1983-07-07 流体圧駆動式軸方向往復アクチユエ−タ

Country Status (7)

Country Link
JP (2) JPS59144807A (zh)
CA (1) CA1197182A (zh)
DE (1) DE3400485A1 (zh)
FR (1) FR2540194B1 (zh)
GB (1) GB2134983B (zh)
MX (1) MX159386A (zh)
NO (1) NO156259C (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101422222B1 (ko) * 2012-02-02 2014-07-22 삼성중공업 주식회사 패시브 블로아웃 방지장치

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0219594B1 (de) * 1985-10-23 1991-06-12 Klaus-Dieter Klement Druckmittelbetätigte Einrichtung
US5575452A (en) * 1995-09-01 1996-11-19 Varco Shaffer, Inc. Blowout preventer with ram wedge locks
FR2810701B1 (fr) 2000-06-27 2002-12-13 Hydraulique Production Systems Verin hydraulique a double effet avec dispositif de blocage axial
GB2404696A (en) * 2003-08-05 2005-02-09 Plexus Ocean Syst Ltd Actuator with integral lock
CN104074833A (zh) * 2014-06-29 2014-10-01 南京蒙福液压机械有限公司 一种锁紧装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257583B (de) * 1960-08-01 1967-12-28 E H Willy Messerschmitt Dr Ing Innere mechanische Verriegelung fuer doppelseitig wirkende, hydraulische oder pneumatische Arbeitszylinder
US3242826A (en) * 1963-10-11 1966-03-29 Shaffer Tool Works Locking device for a fluid operated rod
FR1477181A (fr) * 1966-04-22 1967-04-14 Vérin hydraulique ou pneumatique avec dispositif mécanique de blocage
US3941141A (en) * 1974-05-03 1976-03-02 Robert Eddie L Blowout preventer locking apparatus and method
US4305565A (en) * 1980-04-07 1981-12-15 Hydril Company Variable position ram lock for blowout preventers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101422222B1 (ko) * 2012-02-02 2014-07-22 삼성중공업 주식회사 패시브 블로아웃 방지장치

Also Published As

Publication number Publication date
NO156259C (no) 1987-08-19
MX159386A (es) 1989-05-22
NO833536L (no) 1984-08-01
DE3400485C2 (zh) 1989-01-19
GB2134983A (en) 1984-08-22
NO156259B (no) 1987-05-11
JPS59144807A (ja) 1984-08-20
FR2540194B1 (fr) 1988-10-07
GB8315502D0 (en) 1983-07-13
CA1197182A (en) 1985-11-26
FR2540194A1 (fr) 1984-08-03
GB2134983B (en) 1986-09-24
JPS634801Y2 (zh) 1988-02-08
DE3400485A1 (de) 1984-08-02

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