FR2446795A1 - Verrouillage hydraulique de la fleche sur le bras de pivotement d'une drague ou d'une grue - Google Patents

Verrouillage hydraulique de la fleche sur le bras de pivotement d'une drague ou d'une grue

Info

Publication number
FR2446795A1
FR2446795A1 FR7932100A FR7932100A FR2446795A1 FR 2446795 A1 FR2446795 A1 FR 2446795A1 FR 7932100 A FR7932100 A FR 7932100A FR 7932100 A FR7932100 A FR 7932100A FR 2446795 A1 FR2446795 A1 FR 2446795A1
Authority
FR
France
Prior art keywords
boom
crane
dragon
swing arm
hydraulic lock
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
FR7932100A
Other languages
English (en)
French (fr)
Other versions
FR2446795B1 (US06229276-20010508-P00022.png
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.)
Liebherr Hydraulikbagger GmbH
Original Assignee
Liebherr Hydraulikbagger GmbH
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 Liebherr Hydraulikbagger GmbH filed Critical Liebherr Hydraulikbagger GmbH
Publication of FR2446795A1 publication Critical patent/FR2446795A1/fr
Application granted granted Critical
Publication of FR2446795B1 publication Critical patent/FR2446795B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B66C23/62—Constructional features or details
    • 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
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • 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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
FR7932100A 1979-01-18 1979-12-31 Verrouillage hydraulique de la fleche sur le bras de pivotement d'une drague ou d'une grue Granted FR2446795A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2901923A DE2901923C2 (de) 1979-01-18 1979-01-18 Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl

Publications (2)

Publication Number Publication Date
FR2446795A1 true FR2446795A1 (fr) 1980-08-14
FR2446795B1 FR2446795B1 (US06229276-20010508-P00022.png) 1983-05-06

Family

ID=6060884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7932100A Granted FR2446795A1 (fr) 1979-01-18 1979-12-31 Verrouillage hydraulique de la fleche sur le bras de pivotement d'une drague ou d'une grue

Country Status (3)

Country Link
US (1) US4332094A (US06229276-20010508-P00022.png)
DE (1) DE2901923C2 (US06229276-20010508-P00022.png)
FR (1) FR2446795A1 (US06229276-20010508-P00022.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324435A (en) * 1980-05-08 1982-04-13 Caterpillar Tractor Co. Lock assembly for earthworking apparatus
IT1129367B (it) * 1980-11-04 1986-06-04 Vema Spa Braccio articolato per macchine escavatrici
SE444593B (sv) * 1981-05-13 1986-04-21 Rolf Mannbro Anordning vid av grevmaskiner och liknande maskiner burna redskap
GB8625778D0 (en) * 1986-10-28 1986-12-03 Knackstedt J S Connector
DE9407859U1 (de) * 1994-05-11 1994-09-01 Mieger, Rolf, 88457 Kirchdorf Hydraulisch schwenkbarer Grabenräumlöffel
US5562397A (en) * 1994-07-13 1996-10-08 Clark Equipment Company Power actuator for attachment plate
US5634736A (en) * 1995-11-29 1997-06-03 Caterpillar Inc. Quick-disconnect coupling device
US7458526B2 (en) * 2004-07-22 2008-12-02 Cnh America Llc Remote boom lock assembly
EP2206837B1 (en) * 2009-01-07 2021-10-20 Hitachi Construction Machinery Co., Ltd Two-member connecting device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA814808A (en) * 1969-06-10 S. Antolini Henry Earth moving equipment
CA642971A (en) * 1962-06-19 Soyland Ingebret Mobile excavators
US3034587A (en) * 1961-07-10 1962-05-15 Young Spring & Wire Corp Quick coupling apparatus
US3204793A (en) * 1963-06-28 1965-09-07 Guy E Lane Front end loader automatic implement attachment apparatus
US3426929A (en) * 1966-12-08 1969-02-11 Inventors Engineering Tilting mechanism for a lifting implement
US3653131A (en) * 1970-03-24 1972-04-04 Ware Machine Works Inc Excavating apparatus
US3760883A (en) * 1972-03-27 1973-09-25 Balderson Inc Quick hitch assembly
JPS5341881B2 (US06229276-20010508-P00022.png) * 1974-11-15 1978-11-07
DE2511819C3 (de) * 1975-03-18 1978-10-19 Liebherr-Hydraulikbagger Gmbh, 7951 Kirchdorf Hydraulikbagger

Also Published As

Publication number Publication date
FR2446795B1 (US06229276-20010508-P00022.png) 1983-05-06
US4332094A (en) 1982-06-01
DE2901923B1 (de) 1980-02-07
DE2901923C2 (de) 1980-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse