DE50101507D1 - WORK MACHINE - Google Patents

WORK MACHINE

Info

Publication number
DE50101507D1
DE50101507D1 DE50101507T DE50101507T DE50101507D1 DE 50101507 D1 DE50101507 D1 DE 50101507D1 DE 50101507 T DE50101507 T DE 50101507T DE 50101507 T DE50101507 T DE 50101507T DE 50101507 D1 DE50101507 D1 DE 50101507D1
Authority
DE
Germany
Prior art keywords
work machine
work
machine
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 - Lifetime
Application number
DE50101507T
Other languages
German (de)
Inventor
Olaf Bittner
Gustav Leidinger
Juergen Weber
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel 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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Priority to DE50101507T priority Critical patent/DE50101507D1/en
Application granted granted Critical
Publication of DE50101507D1 publication Critical patent/DE50101507D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems
    • 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
    • E02F3/34—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3405—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
    • E02F3/3411—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism of the Z-type
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE50101507T 2000-03-14 2001-03-09 WORK MACHINE Expired - Lifetime DE50101507D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50101507T DE50101507D1 (en) 2000-03-14 2001-03-09 WORK MACHINE

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10012389A DE10012389B4 (en) 2000-03-14 2000-03-14 working machine
DE50101507T DE50101507D1 (en) 2000-03-14 2001-03-09 WORK MACHINE
PCT/EP2001/002663 WO2001069089A2 (en) 2000-03-14 2001-03-09 Working machine

Publications (1)

Publication Number Publication Date
DE50101507D1 true DE50101507D1 (en) 2004-03-25

Family

ID=7634679

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10012389A Expired - Fee Related DE10012389B4 (en) 2000-03-14 2000-03-14 working machine
DE50101507T Expired - Lifetime DE50101507D1 (en) 2000-03-14 2001-03-09 WORK MACHINE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10012389A Expired - Fee Related DE10012389B4 (en) 2000-03-14 2000-03-14 working machine

Country Status (3)

Country Link
EP (1) EP1263673B1 (en)
DE (2) DE10012389B4 (en)
WO (1) WO2001069089A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10221551A1 (en) 2002-05-14 2003-12-04 Botschafter Knopff Ilse Control device for a work tool with a parallel guide
JP4456360B2 (en) * 2003-12-04 2010-04-28 日立建機株式会社 Work vehicle operation circuit
FR2938561A1 (en) * 2008-11-20 2010-05-21 Mailleux AUTOMATIC LEVELING DEVICE FOR THE TOOL OF A HYDRAULIC CHARGER MOUNTED ON A TRACTOR
CN103015471B (en) * 2012-12-28 2015-06-10 广西大学 Self-adjusting controllable mechanism-type micro MDOF (multiple degrees of freedom) loading mechanism
EP3127856B1 (en) * 2015-08-07 2020-01-01 Linde Material Handling GmbH Hydraulic energy saving control system for forklift and method for lowering the operating energy consumption for forklift trucks
DE102019124951B4 (en) 2019-09-17 2023-09-28 Danfoss Power Solutions Gmbh & Co. Ohg Method for controlling a tipping bucket loader
DE102019132845A1 (en) 2019-12-03 2021-06-10 Danfoss Scotland Ltd. Switch valve block for a hydraulically operated machine
US11549236B1 (en) 2021-06-16 2023-01-10 Cnh Industrial America Llc Work vehicle with improved bi-directional self-leveling functionality and related systems and methods
DE102023202498A1 (en) 2023-03-21 2024-09-26 Zf Friedrichshafen Ag Method for controlling a wheel loader, control, drive arrangement and wheel loader
DE102023202499B3 (en) 2023-03-21 2024-06-06 Zf Friedrichshafen Ag Method for controlling a wheel loader, control, drive arrangement and wheel loader

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2252642B (en) * 1990-12-31 1995-05-24 Samsung Heavy Ind System for automatically controlling operation of construction vehicle
DE4211078C2 (en) * 1992-04-03 1995-05-24 Orenstein & Koppel Ag Hoist for work equipment on loading vehicles
GB2274903A (en) * 1993-01-21 1994-08-10 Fermec Mfg Ltd Control lever assembly for commanding several functions eg of a vehicle.
US5424623A (en) * 1993-05-13 1995-06-13 Caterpillar Inc. Coordinated control for a work implement
US5701793A (en) * 1996-06-24 1997-12-30 Catepillar Inc. Method and apparatus for controlling an implement of a work machine
US6233511B1 (en) * 1997-11-26 2001-05-15 Case Corporation Electronic control for a two-axis work implement
DE19800164A1 (en) * 1998-01-05 1999-07-22 Orenstein & Koppel Ag Mobile loading machine with front loading equipment

Also Published As

Publication number Publication date
DE10012389A1 (en) 2001-09-27
WO2001069089A2 (en) 2001-09-20
EP1263673A2 (en) 2002-12-11
WO2001069089A3 (en) 2002-04-25
DE10012389B4 (en) 2005-03-17
EP1263673B1 (en) 2004-02-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CNH BAUMASCHINEN GMBH, 13581 BERLIN, DE