EP1780337A3 - Hydraulic leveling selection circuit for a work machine - Google Patents

Hydraulic leveling selection circuit for a work machine Download PDF

Info

Publication number
EP1780337A3
EP1780337A3 EP06018424A EP06018424A EP1780337A3 EP 1780337 A3 EP1780337 A3 EP 1780337A3 EP 06018424 A EP06018424 A EP 06018424A EP 06018424 A EP06018424 A EP 06018424A EP 1780337 A3 EP1780337 A3 EP 1780337A3
Authority
EP
European Patent Office
Prior art keywords
work machine
selection circuit
hydraulic leveling
leveling selection
leveling control
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.)
Withdrawn
Application number
EP06018424A
Other languages
German (de)
French (fr)
Other versions
EP1780337A2 (en
Inventor
Ricardo C/O CARTERPILLAR INC. MARES
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 Paving Products Inc
Original Assignee
Caterpillar Paving Products Inc
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 Caterpillar Paving Products Inc filed Critical Caterpillar Paving Products Inc
Publication of EP1780337A2 publication Critical patent/EP1780337A2/en
Publication of EP1780337A3 publication Critical patent/EP1780337A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Road Repair (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

A support system for a work machine (10) is provided that includes a front support assembly (22a) configured to perform one of stabilization and leveling control, a rear support assembly (22b) configured to perform the other of stabilization and leveling control, and a hydraulic circuit (30) configured to selectively switch leveling control between the front and rear support assemblies.
EP06018424A 2005-10-31 2006-09-04 Hydraulic leveling selection circuit for a work machine Withdrawn EP1780337A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/261,626 US20070098494A1 (en) 2005-10-31 2005-10-31 Hydraulic leveling selection circuit for a work machine

Publications (2)

Publication Number Publication Date
EP1780337A2 EP1780337A2 (en) 2007-05-02
EP1780337A3 true EP1780337A3 (en) 2008-12-03

Family

ID=37709390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06018424A Withdrawn EP1780337A3 (en) 2005-10-31 2006-09-04 Hydraulic leveling selection circuit for a work machine

Country Status (2)

Country Link
US (1) US20070098494A1 (en)
EP (1) EP1780337A3 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8777177B2 (en) 2011-10-21 2014-07-15 Stephen A. Youngers Hydraulic fluid actuated equipment leveling assembly
US8973688B2 (en) 2011-12-20 2015-03-10 Caterpillar Paving Products Inc. Suspension system and control method for track-propelled machines
DE102012020655A1 (en) * 2012-10-19 2014-04-24 Wirtgen Gmbh Self-propelled construction machine
US9625080B1 (en) 2014-06-23 2017-04-18 Stephen A. Youngers Assembly for hydraulic fluid actuated machine leveling
US9663335B2 (en) 2014-08-27 2017-05-30 Caterpillar Inc. Hydraulic winch control system and method
US9956842B2 (en) * 2015-10-13 2018-05-01 Caterpillar Paving Products Inc. System and method for controlling stability of milling machines
US11679639B2 (en) 2018-10-23 2023-06-20 Caterpillar Paving Products Inc. Systems and methods for controlling ground inclination of rotary cutting machines
US20200122538A1 (en) 2018-10-23 2020-04-23 Caterpillar Paving Products Inc. Ride control systems and methods for rotary cutting machines
US11193246B2 (en) 2019-02-14 2021-12-07 Caterpillar Paving Products Inc. Construction machine ride control systems and methods using elevation cylinder control
US10975535B2 (en) 2019-04-30 2021-04-13 Caterpillar Paving Products Inc. Construction machine with control system configured to calculate various outputs
CN110329029A (en) * 2019-08-15 2019-10-15 徐州徐工筑路机械有限公司 A kind of body gesture controlled system with self-regulation
US11692563B2 (en) * 2020-01-28 2023-07-04 Caterpillar Paving Products Inc. Milling machine having a valve current based height measurement system
US11629735B2 (en) * 2020-01-28 2023-04-18 Caterpillar Paving Products Inc. Milling machine having a fluid flow based height measurement system
US11255059B2 (en) 2020-01-28 2022-02-22 Caterpillar Paving Products Inc. Milling machine having a non-contact leg-height measurement system
US11566387B2 (en) 2020-03-12 2023-01-31 Caterpillar Paving Products Inc. Relative velocity based actuator velocity calibration system
US11578737B2 (en) 2020-03-12 2023-02-14 Caterpillar Paving Products Inc. Distance based actuator velocity calibration system
US11795664B2 (en) 2021-02-16 2023-10-24 Caterpillar Paving Products, Inc. Four-legged construction machine having slope stability system with locking valves
US11932327B2 (en) 2021-02-16 2024-03-19 Caterpillar Paving Products Inc. Four-legged construction machine having slope stability system with relief valves

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0783984A2 (en) * 1996-01-13 1997-07-16 New Holland nv Suspension means and method for a utility vehicle
US20020125654A1 (en) * 2001-03-12 2002-09-12 Walter Brandenburger Hydropneumatic, level-regulated axle suspension on vehicles, in particular for full-suspension vehicles
US20030194273A1 (en) * 2002-04-11 2003-10-16 Enviro-Pave Inc. Hot-in-place asphalt recycling machine and process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222581A (en) * 1978-04-07 1980-09-16 Rigging International Apparatus and method for moving a large object
FR2632289B1 (en) * 1988-06-02 1990-09-21 Sebileau Vincent DEVICE FOR RETURNING SHEETS ONE TO ONE TO AN AUTOMATIC SHEET OUTPUT
US5240243A (en) * 1990-02-28 1993-08-31 Hewlett-Packard Company Hanging bin for uniformly stacking cut sheets at the output of a plotter
EP0752501A1 (en) * 1995-07-04 1997-01-08 Ohkita Engineering Co., Ltd. Road excavator with a rotary cutter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0783984A2 (en) * 1996-01-13 1997-07-16 New Holland nv Suspension means and method for a utility vehicle
US20020125654A1 (en) * 2001-03-12 2002-09-12 Walter Brandenburger Hydropneumatic, level-regulated axle suspension on vehicles, in particular for full-suspension vehicles
US20030194273A1 (en) * 2002-04-11 2003-10-16 Enviro-Pave Inc. Hot-in-place asphalt recycling machine and process

Also Published As

Publication number Publication date
EP1780337A2 (en) 2007-05-02
US20070098494A1 (en) 2007-05-03

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