FR2290540A2 - Pelle mecanique a commandes hydrauliques - Google Patents

Pelle mecanique a commandes hydrauliques

Info

Publication number
FR2290540A2
FR2290540A2 FR7533231A FR7533231A FR2290540A2 FR 2290540 A2 FR2290540 A2 FR 2290540A2 FR 7533231 A FR7533231 A FR 7533231A FR 7533231 A FR7533231 A FR 7533231A FR 2290540 A2 FR2290540 A2 FR 2290540A2
Authority
FR
France
Prior art keywords
hydraulic controls
mechanical shovel
shovel
mechanical
hydraulic
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
FR7533231A
Other languages
English (en)
Other versions
FR2290540B2 (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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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
Priority claimed from US283621A external-priority patent/US3862697A/en
Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of FR2290540A2 publication Critical patent/FR2290540A2/fr
Application granted granted Critical
Publication of FR2290540B2 publication Critical patent/FR2290540B2/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
    • E02F3/36—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
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/436—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like for keeping the dipper in the horizontal position, e.g. self-levelling
    • 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
    • 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
    • E02F3/308—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 outwardly
    • 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
    • E02F3/425—Drive systems for dipper-arms, backhoes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR7533231A 1972-08-24 1975-10-30 Pelle mecanique a commandes hydrauliques Granted FR2290540A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US283621A US3862697A (en) 1972-08-24 1972-08-24 Front loading hydraulic excavator
US52220474A 1974-11-08 1974-11-08

Publications (2)

Publication Number Publication Date
FR2290540A2 true FR2290540A2 (fr) 1976-06-04
FR2290540B2 FR2290540B2 (fr) 1982-06-25

Family

ID=26962155

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7330586A Expired FR2197092B1 (fr) 1972-08-24 1973-08-23
FR7533231A Granted FR2290540A2 (fr) 1972-08-24 1975-10-30 Pelle mecanique a commandes hydrauliques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7330586A Expired FR2197092B1 (fr) 1972-08-24 1973-08-23

Country Status (1)

Country Link
FR (2) FR2197092B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014817Y2 (ja) * 1979-04-18 1985-05-11 株式会社小松製作所 掘削積込機の掘削積込装置
FR2472633A1 (fr) * 1979-05-31 1981-07-03 Hitachi Construction Machinery Excavateur a commande hydraulique monte sur un organe de deplacement
FR2503214A2 (fr) 1980-05-28 1982-10-08 Poclain Sa Engin de terrassement du type chargeuse
FR2483486A1 (fr) * 1980-05-28 1981-12-04 Poclain Sa Engin de terrassement du type chargeuse

Also Published As

Publication number Publication date
FR2197092B1 (fr) 1980-07-25
FR2290540B2 (fr) 1982-06-25
FR2197092A1 (fr) 1974-03-22

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Legal Events

Date Code Title Description
TP Transmission of property