DK116685B - Hydraulic lifting and turning crane with electric motor driven hydraulic pump. - Google Patents

Hydraulic lifting and turning crane with electric motor driven hydraulic pump.

Info

Publication number
DK116685B
DK116685B DK400768AA DK400768A DK116685B DK 116685 B DK116685 B DK 116685B DK 400768A A DK400768A A DK 400768AA DK 400768 A DK400768 A DK 400768A DK 116685 B DK116685 B DK 116685B
Authority
DK
Denmark
Prior art keywords
electric motor
motor driven
hydraulic pump
turning crane
hydraulic lifting
Prior art date
Application number
DK400768AA
Other languages
Danish (da)
Inventor
K Adolfsson
Original Assignee
K Adolfsson
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 K Adolfsson filed Critical K Adolfsson
Publication of DK116685B publication Critical patent/DK116685B/en

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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
DK400768AA 1967-08-30 1968-08-19 Hydraulic lifting and turning crane with electric motor driven hydraulic pump. DK116685B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1201567 1967-08-30

Publications (1)

Publication Number Publication Date
DK116685B true DK116685B (en) 1970-02-02

Family

ID=20294999

Family Applications (1)

Application Number Title Priority Date Filing Date
DK400768AA DK116685B (en) 1967-08-30 1968-08-19 Hydraulic lifting and turning crane with electric motor driven hydraulic pump.

Country Status (7)

Country Link
US (1) US3608742A (en)
AT (1) AT291480B (en)
DK (1) DK116685B (en)
ES (1) ES357369A1 (en)
FI (1) FI46714C (en)
FR (1) FR1577048A (en)
GB (1) GB1166408A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1361820A (en) * 1971-12-23 1974-07-30 Redman Fisher Eng Ltd Hydraulic ram and its use in a crane
US3866759A (en) * 1972-11-16 1975-02-18 Charles M Lucas Portable hoist
JPS5380655A (en) * 1976-12-25 1978-07-17 Nippon Aikiyan Kk Derric device for boom and so on
US4193733A (en) * 1978-05-17 1980-03-18 Harnischfeger Corporation Hydraulic excavator machine having self-contained electrohydraulic power units
US4710090A (en) * 1986-05-22 1987-12-01 Deluca Charles Q Hydraulic hoist particularly for mounting on pick-up truck beds or the like
US5725112A (en) * 1991-12-17 1998-03-10 Thorby; Donald Frederick Crane
ATE352513T1 (en) * 2003-08-22 2007-02-15 Terex Demag Gmbh & Co Kg MOBILE CRANE BOOM WITH AUTOMATIC HYDRAULIC UNIT ATTACHED TO IT
DE102013203885A1 (en) 2013-03-07 2014-09-11 Putzmeister Engineering Gmbh Implement with stationary boom and turret

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690181A (en) * 1924-05-12 1928-11-06 American Hoist & Derrick Co Hydraulic hoist
US2517813A (en) * 1949-08-03 1950-08-08 Cardinal Corp Hoist
US2756563A (en) * 1951-08-07 1956-07-31 Ray A Bohlman Electrohydraulic motor mechanism
GB822165A (en) * 1958-09-15 1959-10-21 Electrol Inc Improvements relating to electro-hydraulic actuators
US3078961A (en) * 1961-09-06 1963-02-26 Joseph Bradbury & Sons Ltd Roll-on to free-wheel convertible vehicle lift

Also Published As

Publication number Publication date
AT291480B (en) 1971-07-12
GB1166408A (en) 1969-10-08
US3608742A (en) 1971-09-28
ES357369A1 (en) 1970-03-16
DE1781099B2 (en) 1972-08-24
DE1781099A1 (en) 1970-10-22
FI46714B (en) 1973-02-28
FI46714C (en) 1973-06-11
FR1577048A (en) 1969-08-01

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