JPS4872842A - - Google Patents

Info

Publication number
JPS4872842A
JPS4872842A JP47073495A JP7349572A JPS4872842A JP S4872842 A JPS4872842 A JP S4872842A JP 47073495 A JP47073495 A JP 47073495A JP 7349572 A JP7349572 A JP 7349572A JP S4872842 A JPS4872842 A JP S4872842A
Authority
JP
Japan
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
Application number
JP47073495A
Other languages
Japanese (ja)
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 JPS4872842A publication Critical patent/JPS4872842A/ja
Pending 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)
JP47073495A 1971-12-24 1972-07-24 Pending JPS4872842A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2164628A DE2164628C3 (de) 1971-12-24 1971-12-24 Überlastabschalteinrichtung für hintereinandergekoppelte hydraulische Hubbzw. Verstellmechanismen

Publications (1)

Publication Number Publication Date
JPS4872842A true JPS4872842A (fr) 1973-10-01

Family

ID=5829262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47073495A Pending JPS4872842A (fr) 1971-12-24 1972-07-24

Country Status (10)

Country Link
US (1) US3854593A (fr)
JP (1) JPS4872842A (fr)
AT (1) AT322781B (fr)
DE (1) DE2164628C3 (fr)
FR (1) FR2164572B1 (fr)
GB (1) GB1403199A (fr)
IT (1) IT963709B (fr)
NL (1) NL7209279A (fr)
SE (1) SE379727B (fr)
SU (1) SU539518A3 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814265A (en) * 1973-08-20 1974-06-04 Harnischfeger Corp Hydraulic crane control system having means for deactivating control valves when operating limit is exceeded
FR2390718A1 (fr) * 1977-05-13 1978-12-08 Preux Roger Systeme de mesure de la force exercee sur deux ou plusieurs verins hydrauliques supportant une meme charge
FR2418766A1 (fr) * 1978-03-01 1979-09-28 Michel Gutierrez Perfectionnement aux appareils de levage a commande hydraulique
US4222491A (en) * 1978-08-02 1980-09-16 Eaton Corporation Crane operating aid and sensor arrangement therefor
US4411368A (en) * 1980-03-21 1983-10-25 Roger Manjot Safety system for hydraulically controlled hoisting apparatus
FR2478607A1 (fr) * 1980-03-21 1981-09-25 Manjot Roger Systeme de securite pour appareil de levage a commande hydraulique
AT372922B (de) * 1981-09-28 1983-11-25 Voest Alpine Ag Ueberlast-schutzeinrichtung fuer fahrbare ladegeraete
US4487741A (en) * 1981-11-30 1984-12-11 Westinghouse Electric Corp. Transfer of fuel assemblies
FR2534643B1 (fr) * 1982-10-15 1986-12-26 Bennes Marrel Dispositif controleur d'etat de charge avec limiteur de capacite de couple pour un circuit hydraulique, notamment sur une grue
EP0224446B1 (fr) * 1985-11-27 1991-04-24 OIL CONTROL S.p.A. Dispositif hydraulique de limitation de la charge pour grues hydrauliques
GB2189456B (en) * 1986-04-24 1989-02-15 Mo N Proizv Ob Str Dorozh Mash System for protecting hoisting mechanisms against over-loads and tipping
US4861224A (en) * 1988-06-14 1989-08-29 Hi-Ranger, Inc. Aerial lift including overload sensing system
US4894849A (en) * 1988-09-30 1990-01-16 Westinghouse Electric Corp. Apparatus and method for transferring nuclear reactor fuel assemblies
US5597080A (en) * 1994-08-02 1997-01-28 Kranco Crane Services, Inc. Snag load protection system for a crane
EP0779239B2 (fr) * 1995-12-13 2006-09-13 Liebherr-Werk Ehingen GmbH Commande du système de levage d'une grue
KR20140010042A (ko) * 2011-02-10 2014-01-23 이턴 코포레이션 과부하의 경우 대기 모드로 부하 감지 제어
CN104088840B (zh) * 2014-06-29 2016-04-13 南京梅山冶金发展有限公司 折叠式换向阀强制换向装置和使用方法
EP3239092B1 (fr) * 2016-04-25 2019-06-05 Cargotec Patenter AB Grue hydraulique
CN110332167B (zh) * 2019-07-10 2020-11-13 南通翔骜液压润滑设备有限公司 高精度分流集流阀

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936847A (en) * 1959-02-02 1960-05-17 Jay M Eitel Mobile lifting equipment with extensible boom structure
FR1532028A (fr) * 1966-07-21 1968-07-05 Grove Mfg Co Dispositif de contrôle de la charge de sécurité pour des appareils de manutention, notamment des grues à flèches
US3489294A (en) * 1968-04-25 1970-01-13 Bucyrus Erie Co Load limit control for hoisting equipment
US3645407A (en) * 1970-06-15 1972-02-29 Daniel F Przybylski Overload protector for crane booms

Also Published As

Publication number Publication date
SU539518A3 (ru) 1976-12-15
DE2164628C3 (de) 1978-03-16
SE379727B (fr) 1975-10-20
DE2164628B2 (de) 1977-07-21
US3854593A (en) 1974-12-17
NL7209279A (fr) 1973-06-26
DE2164628A1 (de) 1973-07-05
IT963709B (it) 1974-01-21
GB1403199A (en) 1975-08-28
FR2164572B1 (fr) 1977-08-26
FR2164572A1 (fr) 1973-08-03
AT322781B (de) 1975-06-10

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