DE3175278D1 - Loading crane - Google Patents

Loading crane

Info

Publication number
DE3175278D1
DE3175278D1 DE8181890209T DE3175278T DE3175278D1 DE 3175278 D1 DE3175278 D1 DE 3175278D1 DE 8181890209 T DE8181890209 T DE 8181890209T DE 3175278 T DE3175278 T DE 3175278T DE 3175278 D1 DE3175278 D1 DE 3175278D1
Authority
DE
Germany
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.)
Expired
Application number
DE8181890209T
Other languages
English (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
Application granted granted Critical
Publication of DE3175278D1 publication Critical patent/DE3175278D1/de
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)
DE8181890209T 1980-12-23 1981-12-23 Loading crane Expired DE3175278D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0628080A AT368107B (de) 1980-12-23 1980-12-23 Ladekran

Publications (1)

Publication Number Publication Date
DE3175278D1 true DE3175278D1 (en) 1986-10-09

Family

ID=3584717

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181890209T Expired DE3175278D1 (en) 1980-12-23 1981-12-23 Loading crane

Country Status (3)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414182A1 (de) * 1984-04-14 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische ueberlastungsschutzvorrichtung fuer ein hebezeug
DE3414183A1 (de) * 1984-04-14 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische ueberlastungsschutzvorrichtung fuer einen ladekran
CN106185633B (zh) * 2016-08-24 2018-02-23 三一汽车起重机械有限公司 平衡阀装置、起重机及升降机构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE346762C (sv) * 1970-11-04 1979-05-14 Hiab Foco Ab Sperr- och sekerhetsanordning vid hydrauliskt drivna kranar av vippkrantyp
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
SE422315B (sv) * 1980-06-04 1982-03-01 Hiab Foco Ab Overlastskydd for hydrauliskt drivna kranar

Also Published As

Publication number Publication date
ATA628080A (de) 1982-01-15
EP0055247B1 (de) 1986-09-03
EP0055247A2 (de) 1982-06-30
EP0055247A3 (en) 1984-07-25
AT368107B (de) 1982-09-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PALFINGER AG, SALZBURG, AT

8339 Ceased/non-payment of the annual fee