IT963709B - Dispositivo di disinserimento di sovraccarico per meccanismi idrau lici di sollevamento e spostamento accoppiati in serie in particolare in gru idrauliche di caricamento - Google Patents
Dispositivo di disinserimento di sovraccarico per meccanismi idrau lici di sollevamento e spostamento accoppiati in serie in particolare in gru idrauliche di caricamentoInfo
- Publication number
- IT963709B IT963709B IT27854/72A IT2785472A IT963709B IT 963709 B IT963709 B IT 963709B IT 27854/72 A IT27854/72 A IT 27854/72A IT 2785472 A IT2785472 A IT 2785472A IT 963709 B IT963709 B IT 963709B
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic
- series
- moving mechanisms
- disconnection device
- mechanisms coupled
- Prior art date
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)
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 |
---|---|
IT963709B true IT963709B (it) | 1974-01-21 |
Family
ID=5829262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27854/72A IT963709B (it) | 1971-12-24 | 1972-08-03 | Dispositivo di disinserimento di sovraccarico per meccanismi idrau lici di sollevamento e spostamento accoppiati in serie in particolare in gru idrauliche di caricamento |
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) |
Families Citing this family (19)
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 |
FR2478607A1 (fr) * | 1980-03-21 | 1981-09-25 | Manjot Roger | Systeme de securite pour appareil de levage a commande hydraulique |
US4411368A (en) * | 1980-03-21 | 1983-10-25 | Roger Manjot | Safety system for hydraulically controlled hoisting apparatus |
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 |
DE3613870A1 (de) * | 1986-04-24 | 1987-10-29 | Mo N Proizv Ob Str Dorozh Mash | Einrichtung fuer den ueberlastungs- und kippschutz von hebezeugen |
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 |
EP2673515A1 (en) * | 2011-02-10 | 2013-12-18 | Eaton Corporation | Load sense control with standby mode in case of overload |
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 |
DK3239092T3 (da) * | 2016-04-25 | 2019-09-02 | Cargotec Patenter Ab | Hydraulisk kran |
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)
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 |
-
1971
- 1971-12-24 DE DE2164628A patent/DE2164628C3/de not_active Expired
-
1972
- 1972-06-21 AT AT534072A patent/AT322781B/de not_active IP Right Cessation
- 1972-06-30 NL NL7209279A patent/NL7209279A/xx unknown
- 1972-07-24 JP JP47073495A patent/JPS4872842A/ja active Pending
- 1972-08-02 SE SE7210048A patent/SE379727B/xx unknown
- 1972-08-03 IT IT27854/72A patent/IT963709B/it active
- 1972-09-19 US US00290297A patent/US3854593A/en not_active Expired - Lifetime
- 1972-09-20 GB GB4349772A patent/GB1403199A/en not_active Expired
- 1972-10-17 FR FR7237729A patent/FR2164572B1/fr not_active Expired
- 1972-11-16 SU SU1847473A patent/SU539518A3/ru active
Also Published As
Publication number | Publication date |
---|---|
JPS4872842A (it) | 1973-10-01 |
AT322781B (de) | 1975-06-10 |
DE2164628A1 (de) | 1973-07-05 |
FR2164572A1 (it) | 1973-08-03 |
NL7209279A (it) | 1973-06-26 |
GB1403199A (en) | 1975-08-28 |
FR2164572B1 (it) | 1977-08-26 |
SE379727B (it) | 1975-10-20 |
US3854593A (en) | 1974-12-17 |
DE2164628B2 (de) | 1977-07-21 |
DE2164628C3 (de) | 1978-03-16 |
SU539518A3 (ru) | 1976-12-15 |
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