ES401082A1 - Public works machine - Google Patents

Public works machine

Info

Publication number
ES401082A1
ES401082A1 ES401082A ES401082A ES401082A1 ES 401082 A1 ES401082 A1 ES 401082A1 ES 401082 A ES401082 A ES 401082A ES 401082 A ES401082 A ES 401082A ES 401082 A1 ES401082 A1 ES 401082A1
Authority
ES
Spain
Prior art keywords
working equipment
machine
public works
works machine
frame
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.)
Expired
Application number
ES401082A
Other languages
Spanish (es)
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.)
Poclain SA
Original Assignee
Poclain SA
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 Poclain SA filed Critical Poclain SA
Publication of ES401082A1 publication Critical patent/ES401082A1/en
Expired 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
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/434—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Operation Control Of Excavators (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Abstract

This invention relates to a method for adjusting the position of the working equipment with which a public works machine is provided, which is constituted by a group of front drive wheels and a group of rear drive wheels, by said working equipment which is articulated to the frame of the machine, whilst a double-effect drive member is coupled between the working equipment and the frame and comprises two chambers connected selectively to a source of pressurised fluid and to a discharge tank or isolated from said fluid sources and discharge tank, according to which method the working equipment is disposed in a predetermined position, isolating said two chambers, and the displacement of the machine is controlled, wherein the position of the working equipment subsequent to the predetermined position is a function of the values of the resistant torques of the groups of front and rear wheels. It also relates to a public works machine applying the method as mentioned hereinabove.
ES401082A 1971-03-22 1972-03-22 Public works machine Expired ES401082A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7110033A FR2140722A5 (en) 1971-03-22 1971-03-22

Publications (1)

Publication Number Publication Date
ES401082A1 true ES401082A1 (en) 1975-02-16

Family

ID=9073930

Family Applications (1)

Application Number Title Priority Date Filing Date
ES401082A Expired ES401082A1 (en) 1971-03-22 1972-03-22 Public works machine

Country Status (9)

Country Link
US (1) US3782572A (en)
AR (1) AR193724A1 (en)
BE (1) BE780613A (en)
BR (1) BR7201594D0 (en)
DE (1) DE2213167C2 (en)
ES (1) ES401082A1 (en)
FR (1) FR2140722A5 (en)
GB (1) GB1357993A (en)
IT (1) IT953995B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217487B1 (en) * 1973-02-09 1975-03-07 Poclain Sa
US4320813A (en) * 1979-12-10 1982-03-23 Caterpillar Tractor Co. Differential lock control
WO1981001690A1 (en) * 1979-12-10 1981-06-25 A Manna Differential lock control
CA2125375C (en) * 1994-06-07 1999-04-20 Andrew Dasys Tactile control for automated bucket loading
DE19528134A1 (en) * 1995-08-01 1997-02-06 Bernhard Grimm Add-on replacement shovel for cable trenching excavator - includes guide rail by which position of tool is manually adjusted or through hydraulic, pneumatic or electric drive
US5974352A (en) * 1997-01-06 1999-10-26 Caterpillar Inc. System and method for automatic bucket loading using force vectors
US5968103A (en) * 1997-01-06 1999-10-19 Caterpillar Inc. System and method for automatic bucket loading using crowd factors
JP3904173B2 (en) * 1998-12-21 2007-04-11 株式会社小松製作所 Hydraulic control device for work vehicle
US6211471B1 (en) 1999-01-27 2001-04-03 Caterpillar Inc. Control system for automatically controlling a work implement of an earthmoving machine to capture, lift and dump material
US8726543B2 (en) * 2006-11-30 2014-05-20 Deere & Company Automated blade with load management control
US8036797B2 (en) * 2007-03-20 2011-10-11 Deere & Company Method and system for controlling a vehicle for loading or digging material
US7853384B2 (en) * 2007-03-20 2010-12-14 Deere & Company Method and system for controlling a vehicle for loading or digging material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233691A (en) * 1962-10-17 1966-02-08 Biasi Charles P De Hydraulic system, apparatus and arrangement for driving and steering vehicles
US3231117A (en) * 1962-10-23 1966-01-25 Tractor vehicle and drive therefor
US3388821A (en) * 1966-09-22 1968-06-18 Warner Swasey Co Hydraulic control means for loaders
US3542228A (en) * 1968-03-08 1970-11-24 Case Co J I Hydrostatic control device for loader tractor
US3563137A (en) * 1969-06-30 1971-02-16 Cessna Aircraft Co Hydraulic self-leveling control for boom and bucket

Also Published As

Publication number Publication date
US3782572A (en) 1974-01-01
IT953995B (en) 1973-08-10
DE2213167A1 (en) 1972-09-28
BR7201594D0 (en) 1973-06-12
FR2140722A5 (en) 1973-01-19
AR193724A1 (en) 1973-05-22
GB1357993A (en) 1974-06-26
BE780613A (en) 1972-07-03
DE2213167C2 (en) 1982-04-29

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