SE8603660L - Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskiner - Google Patents

Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskiner

Info

Publication number
SE8603660L
SE8603660L SE8603660A SE8603660A SE8603660L SE 8603660 L SE8603660 L SE 8603660L SE 8603660 A SE8603660 A SE 8603660A SE 8603660 A SE8603660 A SE 8603660A SE 8603660 L SE8603660 L SE 8603660L
Authority
SE
Sweden
Prior art keywords
cylinder
boom
pct
lift
chamber
Prior art date
Application number
SE8603660A
Other languages
English (en)
Other versions
SE454351B (sv
SE8603660D0 (sv
Inventor
O Svedaker
Original Assignee
Osa Ab
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 Osa Ab filed Critical Osa Ab
Priority to SE8603660A priority Critical patent/SE454351B/sv
Publication of SE8603660D0 publication Critical patent/SE8603660D0/sv
Priority to US07/190,688 priority patent/US4828125A/en
Priority to PCT/SE1987/000377 priority patent/WO1988001600A1/en
Priority to AU78797/87A priority patent/AU7879787A/en
Publication of SE8603660L publication Critical patent/SE8603660L/sv
Publication of SE454351B publication Critical patent/SE454351B/sv
Priority to NO881809A priority patent/NO881809L/no
Priority to FI881946A priority patent/FI881946A0/fi

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • 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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Jib Cranes (AREA)
SE8603660A 1986-09-01 1986-09-01 Anordning for nivahallning av ett redskapsfeste till en vikarmskran SE454351B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8603660A SE454351B (sv) 1986-09-01 1986-09-01 Anordning for nivahallning av ett redskapsfeste till en vikarmskran
US07/190,688 US4828125A (en) 1986-09-01 1987-08-27 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground
PCT/SE1987/000377 WO1988001600A1 (en) 1986-09-01 1987-08-27 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground
AU78797/87A AU7879787A (en) 1986-09-01 1987-08-27 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground
NO881809A NO881809L (no) 1986-09-01 1988-04-26 Anordning for aa holde en leddboms redskapsfeste i konstant nivaa over bakken.
FI881946A FI881946A0 (fi) 1986-09-01 1988-04-26 Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8603660A SE454351B (sv) 1986-09-01 1986-09-01 Anordning for nivahallning av ett redskapsfeste till en vikarmskran

Publications (3)

Publication Number Publication Date
SE8603660D0 SE8603660D0 (sv) 1986-09-01
SE8603660L true SE8603660L (sv) 1988-03-02
SE454351B SE454351B (sv) 1988-04-25

Family

ID=20365446

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603660A SE454351B (sv) 1986-09-01 1986-09-01 Anordning for nivahallning av ett redskapsfeste till en vikarmskran

Country Status (5)

Country Link
US (1) US4828125A (sv)
AU (1) AU7879787A (sv)
FI (1) FI881946A0 (sv)
SE (1) SE454351B (sv)
WO (1) WO1988001600A1 (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923362A (en) * 1988-06-06 1990-05-08 Deere & Company Bucket leveling system with dual fluid supply
EP0397076A1 (en) * 1989-05-11 1990-11-14 Vickers Incorporated Electrohydraulic system
US5486084A (en) * 1993-06-07 1996-01-23 Raymond F. Pitman Multiple purpose material handling and working apparatus
FI955172A0 (fi) * 1995-10-30 1995-10-30 Sakari Pinomaeki Foerfarande i ett tryckmediumsystem och ett tryckmediumsystem
DE69621842T2 (de) * 1996-09-23 2003-02-13 Motrac Ab Zweiarmsystem
SE521258C2 (sv) * 1997-03-03 2003-10-14 Motrac Ab Tvåarmat system
FI111938B (sv) * 1999-07-06 2003-10-15 Plustech Oy Styrsystem för en bomsats vid en i terrängen rörlig arbetsmaskin
FI19992467A (sv) * 1999-11-17 2001-05-18 Tiberjack Oy Förfarande i en lastare med en bomuppsättning och lastare med en bomuppsättning
EP1518053B1 (en) * 2002-05-28 2008-10-08 ITI Scotland Limited Method and crane for installing, maintaining, and decommissioning wind turbines
CN100535367C (zh) 2005-01-19 2009-09-02 Iti苏格兰有限公司 夹具、自移式爬升装置和联接夹具与管形件的方法
US8863966B2 (en) 2011-03-21 2014-10-21 Dynaking Crane, Llc Kingpost crane apparatus and method
US9630812B1 (en) 2014-09-30 2017-04-25 The United States Of America As Represented By The Secretary Of The Navy Load transfer accessory for diminishing unwanted motion of cylindrical cargo during loading operations

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884359A (en) * 1968-11-27 1975-05-20 Hopper Inc Level luffing crane
US3685668A (en) * 1969-10-03 1972-08-22 Hopper Inc Convertible level luffing crane
FR2152491B1 (sv) * 1971-09-15 1977-07-08
SE400794B (sv) * 1975-04-17 1978-04-10 Hammarstrand Sten Ove Parallellforingssystem for lastmaskiner eller liknande
US4081055A (en) * 1977-01-24 1978-03-28 Teco, Inc. Hydraulic device for controlling the perpendicularity of boom members in mobile platforms
DE2802011A1 (de) * 1978-01-18 1979-08-02 Michaelis Karl Heinz Kran, insbesondere zum be- und entladen von kraftfahrzeugen
DE2949718A1 (de) * 1979-12-11 1981-06-19 Atlas-Verkaufsbüro Fritz Harald Arend, 7216 Dietingen Vorrichtung zur automatischen parallelfuehrung des loeffels eines hydraulikbaggers
US4557391A (en) * 1982-06-30 1985-12-10 Fmc Corporation Method of controlling the angle of a pivotal boom with extensible sections

Also Published As

Publication number Publication date
AU7879787A (en) 1988-03-24
WO1988001600A1 (en) 1988-03-10
SE454351B (sv) 1988-04-25
FI881946A (fi) 1988-04-26
FI881946A0 (fi) 1988-04-26
SE8603660D0 (sv) 1986-09-01
US4828125A (en) 1989-05-09

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