FR2434902A1 - Engin d'excavation et de levage - Google Patents

Engin d'excavation et de levage

Info

Publication number
FR2434902A1
FR2434902A1 FR7921792A FR7921792A FR2434902A1 FR 2434902 A1 FR2434902 A1 FR 2434902A1 FR 7921792 A FR7921792 A FR 7921792A FR 7921792 A FR7921792 A FR 7921792A FR 2434902 A1 FR2434902 A1 FR 2434902A1
Authority
FR
France
Prior art keywords
positions
pieces
boom
crawler excavator
sec
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
FR7921792A
Other languages
English (en)
Other versions
FR2434902B3 (fr
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.)
ROCK EXCAVATORS SpA
Original Assignee
ROCK EXCAVATORS SpA
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 ROCK EXCAVATORS SpA filed Critical ROCK EXCAVATORS SpA
Publication of FR2434902A1 publication Critical patent/FR2434902A1/fr
Application granted granted Critical
Publication of FR2434902B3 publication Critical patent/FR2434902B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/301—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Jib Cranes (AREA)

Abstract

Engin d'excavation et de levage de matériaux comportant une structure mobile tournante à bras articulés. Un premier bras est muni de deux points d'articulation permettant la fixation sélective d'un deuxième bras, ces points d'articulation étant placés à des niveaux différents pour varier l'inclinaison entre le premier et le deuxième bras et augmenter la profondeur de l'excavation possible
FR7921792A 1978-09-01 1979-08-30 Engin d'excavation et de levage Granted FR2434902A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69026/78A IT1160628B (it) 1978-09-01 1978-09-01 Macchina perfezionata scavatrice e sollevatrice di materiale

Publications (2)

Publication Number Publication Date
FR2434902A1 true FR2434902A1 (fr) 1980-03-28
FR2434902B3 FR2434902B3 (fr) 1981-07-03

Family

ID=11311191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921792A Granted FR2434902A1 (fr) 1978-09-01 1979-08-30 Engin d'excavation et de levage

Country Status (4)

Country Link
BE (1) BE878555A (fr)
DE (1) DE7924502U1 (fr)
FR (1) FR2434902A1 (fr)
IT (1) IT1160628B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514051A1 (fr) * 1981-10-05 1983-04-08 Komatsu Mfg Co Ltd Pelle mecanique a commande hydraulique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514051A1 (fr) * 1981-10-05 1983-04-08 Komatsu Mfg Co Ltd Pelle mecanique a commande hydraulique

Also Published As

Publication number Publication date
IT7869026A0 (it) 1978-09-01
FR2434902B3 (fr) 1981-07-03
BE878555A (fr) 1979-12-17
IT1160628B (it) 1987-03-11
DE7924502U1 (de) 1980-02-07

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Legal Events

Date Code Title Description
ST Notification of lapse