EP0055247A3 - Loading crane - Google Patents

Loading crane Download PDF

Info

Publication number
EP0055247A3
EP0055247A3 EP81890209A EP81890209A EP0055247A3 EP 0055247 A3 EP0055247 A3 EP 0055247A3 EP 81890209 A EP81890209 A EP 81890209A EP 81890209 A EP81890209 A EP 81890209A EP 0055247 A3 EP0055247 A3 EP 0055247A3
Authority
EP
European Patent Office
Prior art keywords
loading crane
crane
loading
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
EP81890209A
Other languages
German (de)
Other versions
EP0055247A2 (en
EP0055247B1 (en
Inventor
Georg Popodi
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.)
Palfinger AG
Original Assignee
Palfinger AG
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 Palfinger AG filed Critical Palfinger AG
Publication of EP0055247A2 publication Critical patent/EP0055247A2/en
Publication of EP0055247A3 publication Critical patent/EP0055247A3/en
Application granted granted Critical
Publication of EP0055247B1 publication Critical patent/EP0055247B1/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003—Systems with load-holding valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
EP81890209A 1980-12-23 1981-12-23 Loading crane Expired EP0055247B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6280/80 1980-12-23
AT0628080A AT368107B (en) 1980-12-23 1980-12-23 LOADING CRANE

Publications (3)

Publication Number Publication Date
EP0055247A2 EP0055247A2 (en) 1982-06-30
EP0055247A3 true EP0055247A3 (en) 1984-07-25
EP0055247B1 EP0055247B1 (en) 1986-09-03

Family

ID=3584717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81890209A Expired EP0055247B1 (en) 1980-12-23 1981-12-23 Loading crane

Country Status (3)

Country Link
EP (1) EP0055247B1 (en)
AT (1) AT368107B (en)
DE (1) DE3175278D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414182A1 (en) * 1984-04-14 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC OVERLOAD PROTECTION DEVICE FOR A LIFTER
DE3414183A1 (en) * 1984-04-14 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC OVERLOAD PROTECTION DEVICE FOR A LOADING CRANE
CN106185633B (en) * 2016-08-24 2018-02-23 三一汽车起重机械有限公司 Balancing valve apparatus, crane and elevating mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2154631A1 (en) * 1970-11-04 1972-05-10 Hiab-Foco Ab, Hudiksvall (Schweden) Locking device on hydraulically operated loading cranes
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
US3841493A (en) * 1972-06-05 1974-10-15 J Becker Moment monitoring system for hydraulic-piston type cranes
FR2483904A1 (en) * 1980-06-04 1981-12-11 Hiab Foco Ab LOAD LIMITING DEVICE FOR HYDRAULICALLY CONTROLLED CRANES

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2154631A1 (en) * 1970-11-04 1972-05-10 Hiab-Foco Ab, Hudiksvall (Schweden) Locking device on hydraulically operated loading cranes
US3841493A (en) * 1972-06-05 1974-10-15 J Becker Moment monitoring system for hydraulic-piston type cranes
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
FR2483904A1 (en) * 1980-06-04 1981-12-11 Hiab Foco Ab LOAD LIMITING DEVICE FOR HYDRAULICALLY CONTROLLED CRANES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ÖLHYDRAULIK UND PNEUMATIC, Band 21, Nr. 6, Juni 1977, Mainz (DE) *

Also Published As

Publication number Publication date
AT368107B (en) 1982-09-10
DE3175278D1 (en) 1986-10-09
ATA628080A (en) 1982-01-15
EP0055247A2 (en) 1982-06-30
EP0055247B1 (en) 1986-09-03

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