GB1403199A - Overload switchoff device for hydraulic loading and unloading cranes - Google Patents

Overload switchoff device for hydraulic loading and unloading cranes

Info

Publication number
GB1403199A
GB1403199A GB4349772A GB4349772A GB1403199A GB 1403199 A GB1403199 A GB 1403199A GB 4349772 A GB4349772 A GB 4349772A GB 4349772 A GB4349772 A GB 4349772A GB 1403199 A GB1403199 A GB 1403199A
Authority
GB
United Kingdom
Prior art keywords
overload
crane
valves
spool
switchoff
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
Application number
GB4349772A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1403199A publication Critical patent/GB1403199A/en
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
    • 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)
GB4349772A 1971-12-24 1972-09-20 Overload switchoff device for hydraulic loading and unloading cranes Expired GB1403199A (en)

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
GB1403199A true GB1403199A (en) 1975-08-28

Family

ID=5829262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4349772A Expired GB1403199A (en) 1971-12-24 1972-09-20 Overload switchoff device for hydraulic loading and unloading cranes

Country Status (10)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189456A (en) * 1986-04-24 1987-10-28 Mo N Proizv Ob Str Dorozh Mash Device for protecting hoisting mechanisms against overloads and tipping
CN103459860A (zh) * 2011-02-10 2013-12-18 伊顿公司 具有在过载情况下的待机模式的负载传感控制
CN104088840A (zh) * 2014-06-29 2014-10-08 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

Families Citing this family (16)

* 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 (en) * 1985-11-27 1991-04-24 OIL CONTROL S.p.A. A hydraulic load limiting device for hydraulic cranes
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 (de) * 1995-12-13 2006-09-13 Liebherr-Werk Ehingen GmbH Steuervorrichtung für ein Hubwerk eines Krans
EP3549899A1 (en) * 2016-04-25 2019-10-09 Cargotec Patenter AB Hydraulic crane
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189456A (en) * 1986-04-24 1987-10-28 Mo N Proizv Ob Str Dorozh Mash Device for protecting hoisting mechanisms against overloads and tipping
CN103459860A (zh) * 2011-02-10 2013-12-18 伊顿公司 具有在过载情况下的待机模式的负载传感控制
CN104088840A (zh) * 2014-06-29 2014-10-08 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

Also Published As

Publication number Publication date
IT963709B (it) 1974-01-21
FR2164572A1 (it) 1973-08-03
FR2164572B1 (it) 1977-08-26
NL7209279A (it) 1973-06-26
DE2164628A1 (de) 1973-07-05
JPS4872842A (it) 1973-10-01
SE379727B (it) 1975-10-20
SU539518A3 (ru) 1976-12-15
DE2164628C3 (de) 1978-03-16
DE2164628B2 (de) 1977-07-21
AT322781B (de) 1975-06-10
US3854593A (en) 1974-12-17

Similar Documents

Publication Publication Date Title
GB1403199A (en) Overload switchoff device for hydraulic loading and unloading cranes
GB986656A (en) Industrial trucks
GB1343803A (en) Hydraulic vehicle crane
GB954884A (en) Outrigger mechanism
GB1096078A (en) Mobile crane
GB1070250A (en) Improvements in and relating to crane units
GB1346018A (en) Hydraulically operated crane with -dead man- actuated controls
GB1265710A (it)
GB935985A (en) Improvements in or relating to vehicle-mounted luffing-arm lifting apparatus
ES421588A1 (es) Dispositivo de subordinacion de los movimientos de los a- guilones de una primera y al menos una segunda grua.
GB1027451A (en) Improvements in boom type truckloaders
ES432741A1 (es) Perfeccionamientos en seguros de par de vuelco para gruas de pluma telescopica hidraulica.
GB1029850A (en) Improvements in hydraulically levelled platforms and load carriers
GB1416212A (en) Machines having a component movable in extend and retract directions by at least one hydraulic cylinder
GB1345362A (en) Detecting deformations in structures
GB966227A (en) Load handling truck
GB980132A (en) Improvements in safe load indicating devices for cranes
GB1432574A (en) Derrick or crane closure device for a syphon bottle
GB1030103A (en) Improvements in or relating to maximum safe load indicators for cranes
FR2261216A1 (en) Servo-controlled crane overload protection - has derricking ram pressure detector releasing pressure from servo-controls
JPH01118998U (it)
GB1261804A (en) Safety device for cranes with hydraulically luggable jibs
GB828138A (en) Travelling jib crane
GB843024A (en) Improvements in and relating to crane structures
SU802170A1 (ru) Гидропривод крана-трубоукладчика

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees