EP1182302A1 - Procédé pour supporter un engin de chantier mobile, actionné hydrauliquement sur une voie ferrée et engin de chantier pour la mise en oeuvre dudit procédé - Google Patents

Procédé pour supporter un engin de chantier mobile, actionné hydrauliquement sur une voie ferrée et engin de chantier pour la mise en oeuvre dudit procédé Download PDF

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Publication number
EP1182302A1
EP1182302A1 EP00116286A EP00116286A EP1182302A1 EP 1182302 A1 EP1182302 A1 EP 1182302A1 EP 00116286 A EP00116286 A EP 00116286A EP 00116286 A EP00116286 A EP 00116286A EP 1182302 A1 EP1182302 A1 EP 1182302A1
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
cylinder units
rail
spaces
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
EP00116286A
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German (de)
English (en)
Other versions
EP1182302B1 (fr
Inventor
Schneider Kurt
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.)
Atlas Terex GmbH
Original Assignee
Atlas Weyhausen 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 Atlas Weyhausen GmbH filed Critical Atlas Weyhausen GmbH
Priority to DE50010402T priority Critical patent/DE50010402D1/de
Priority to EP00116286A priority patent/EP1182302B1/fr
Priority to ES00116286T priority patent/ES2243178T3/es
Priority to AT00116286T priority patent/ATE296383T1/de
Publication of EP1182302A1 publication Critical patent/EP1182302A1/fr
Application granted granted Critical
Publication of EP1182302B1 publication Critical patent/EP1182302B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs
    • 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
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/022—Travelling-gear, e.g. associated with slewing gears for moving on rails
    • 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
    • E02F9/2257—Vehicle levelling or suspension systems

Definitions

  • the present invention relates to a (working) method for supporting a hydraulic actuatable, movable implement, especially a two-way excavator, on one Track as in the preamble of claim 1 (also with respect to the essential features of the implement to be supported) is described.
  • two-way excavators are so-called change-over vehicles, so vehicles that, due to special (possibly also additional) facilities, the traffic route can switch. Since one is usually only at a transition from one type of traffic route to the other only one other is interested, in practice one speaks also of two-way vehicles.
  • track-road vehicles known, of which in particular the rail-road vehicles are particularly important have attained. These include the ones already mentioned above, i.a. hydraulic operated two-way excavator.
  • Two-way (hydraulic) excavators form rail-road "vehicles" in their purest form. Because she run their two types of chassis (for rail or road operation) - unlike with so-called fake rail-road vehicles in which, for example, trained as a semi-trailer Road vehicle on two with wheel sets, with pulling and pushing devices provided support frames are placed and locked with these, and in which the road undercarriage i.a. must be cranked up constantly With.
  • Such two-way excavators have so far been designed so that when switching from road travel on track operation when using the road by means of hydraulic lifting devices Rail wheels retracted upwards or at their end sections with them provided rail wheel axles with the piston-cylinder units ("hydraulic cylinders") the rail wheel lifting devices in each case up to the rod-side stops of the Piston-cylinder units extended downwards and in track mode - so not only with stationary use of the implement, but also when moving the excavator on the Track - be held in this working position, the one that determines the lifting height Cylinder length is chosen so that the road wheels are at a sufficient height above the track if the excavator is using its (usually four) rail wheels on the rails of the Track is supported.
  • the present invention has for its object the method of the beginning or in The preamble of claim 1 described genus in particular to improve that - with little expenditure on equipment and control technology - always a statically determined one (Three-point) support by means of its rail wheels on the rails of the track to achieve supported excavators and to ensure that even with considerable Uneven rails and / or track operation with a relatively high driving speed none There is more risk of derailment.
  • a generic implement, in particular Two-way hydraulic excavators are created in which the invention Support procedures not only at all, but in a particularly simple, expedient manner and can be practiced with relatively little investment and labor.
  • the so-called rod spaces i.e. those of the piston rods of the piston-cylinder units chambers
  • the so-called cylinder rooms i.e. the respective sections of the piston-cylinder units not penetrated by the piston rods
  • two piston-cylinder units hydraulically connected to an oil reservoir, which is included that oil volume that compensates for uneven rails corresponds, as explained in more detail below using an exemplary embodiment becomes.
  • the invention is based on an embodiment with reference to a Drawing explained further.
  • FIG. 1 and 2 show a two-way hydraulic excavator designated by 1 as a whole four in pairs on both long sides of an i.w. right-angled (above and below also referred to as "lower part") undercarriage 2 (the one in FIG. 2 for reasons of better clarity I. W. has been omitted) arranged, drivable, designed as pneumatic tire wheels Road wheels 3, which are connected in pairs to a front axle 4 or a rear axle 5 and are arranged at the respective end sections of the axes 4, 5.
  • Road wheels 3 which are connected in pairs to a front axle 4 or a rear axle 5 and are arranged at the respective end sections of the axes 4, 5.
  • the four road wheels 3 are not on the ground because the excavator 1 is in the state of rail operation, and therefore on four at the corner areas of the undercarriage 2 arranged rail wheels 6, which by means of a hydraulic Lifting device from a rest position raised in relation to the road wheels 3 in 1, lowered working position (driving position) on the two rails 7, 7 of a track are to be lowered.
  • the rail wheels 6 are not shown in the drawing to drive (rail wheel) undercarriage shown in detail, and by means of a also not braked braking device shown in detail. Because the rail wheels 6 are in a raised rest position when driving the excavator 1 the excavator 1 then of course by means of a separate (road bike) chassis to drive and brake by means of an associated braking device.
  • the lifting device is i.w. by four hydraulic piston-cylinder units 8, each associated with a rail wheel 6, so that singular relative movements of the Rail wheels 6 to the undercarriage 2 or its device frame 2 ', on which the road wheels 3 are stationary, are possible.
  • Piston-cylinder units 8 on a front axle connecting the two front rail wheels 6 and / or the two piston-cylinder units located at the rear in the main direction of travel 9 8 act on a rear axle connecting the two rear rail wheels 6 to leave like this in the prior art with known two-way hydraulic excavators the training in question here or a similar training can.
  • the excavator 1 has a hydraulic rotary drive relative to the Undercarriage 2 superstructure 11 that can be rotated or pivoted about a vertical pivot axis 10 on, which is also referred to above or below as the "upper part" of the excavator1.
  • the uppercarriage 11 points among others a driver's cab 12, a multi-part boom 13, one at the free End-arranged work tool 14 (such as a spoon or gripper), as well as on his opposite, rear end portion on a counterweight 15.
  • the excavator 1 has a control device 22 (including a computer), by means of which the lifting device 8 for the rail wheels 6 and the other components of the excavator 1 are to be controlled.
  • a control device 22 including a computer
  • Fig. 3 shows in a conventional schematic representation a (mainly hydraulic) circuit diagram for the excavator 1 acc. 1 and 2, on the basis of which the inventive method in is to be practiced optimally.
  • the two front rail wheels 6.1 and 6.2 and the two rear rail wheels 6.3 and 6.4 for ease of understanding have been drawn for reasons of assignment, one of the two front rail wheels 6.1 and 6.2 connecting front axle 16 and one of the two rear rail wheels 6.3 and 6.4 connecting rear axle 17 are shown, which are also referred to as "rail axles" are, but - as has already been explained - not necessarily present must be, since - as has also already been explained - a singular relative movement the rail wheels 6 to the device frame 2 'is sought, and this for optimal Practice of the method according to the invention is evidently even necessary, although an axle connection of the rail wheel pairs 6.1, 6.2 or 6.3, 6.4 does not conflict with this got to.
  • the four rail wheels are in track mode 6.1, 6.2, 6.3 and 6.4 for supporting the excavator 1 on the rails 7 by means of the piston-cylinder units 8.1 or 8.2 or 8.3 or 8.4 assigned to them in each case completely extended downwards, i.e. the piston rods 18.1, 18.2, 18.3 and 18.4 are each extended to its rod-side stop 19.1 or 19.2 or 19.3 or 19.4, as can be seen in FIG.
  • the control device 22 then generates on the basis of the received relative position signal Control signals for controllable shut-off devices between the piston-cylinder units 8, which can be seen in FIG. 3 and are arranged as follows:
  • rod spaces 23 of all four piston-cylinder units 8 are through rod space connecting lines 24 connected to each other, and the cylinder spaces 25 of the piston-cylinder units 8 are connected to one another via cylinder space connecting lines 26, Meanwhile, both the rod space connection lines 24 and the cylinder space connection lines 26 first by means of a control device 22 controllable shut-off device (valve unit) 27 are closed.
  • the rod chamber 23.1 of the piston-cylinder unit 8.1 with the rod chamber 23.2 is the Piston-cylinder unit 8.2 via a rod chamber connecting line 24.1 / 2 and with the Rod chamber 23.3 of the piston-cylinder unit 8.3 via a rod chamber connecting line 24.1 / 3 connected; the latter with the rod chamber 23.4 of the piston-cylinder unit 8.4 via a rod space connecting line 24.3 / 4; and the rod room 23.4 Piston-cylinder unit 8.4 with the rod chamber 23.2 of the piston-cylinder unit 8.2 over a rod space connecting line 24.2 / 4, which is between the rod space connecting lines 24.1 / 2 and 24.3 / 4 runs.
  • the cylinder chamber 25.1 of the piston-cylinder unit 8.1 is the cylinder chamber 25.2 Piston-cylinder unit 8.2 connected via a cylinder space connecting line 26.1 / 2, and with the cylinder space 25.3 of the piston-cylinder unit 8.3 via a cylinder connecting line 26.1 / 3, while the cylinder space 25.3 with the cylinder space 25.4 Piston-cylinder unit 8.4 connected via a cylinder space connecting line 26.3 / 4 is, and the latter with the cylinder space 25.2 of the piston-cylinder unit 8.2 via a cylinder space connecting line 26.2 / 4 between the cylinder space connecting lines 26.1 / 2 and 26.3 / 4 runs.
  • an (oil) piston accumulator 28 which as such forms a pump, and whose cylinder space 28 'via a storage line 29.1 / 2 with the cylinder space connecting line 26.1 / 2 is connected, of which a memory line 29.2 / 4 and one Storage line 29.1 / 3 branches off, the former leading to valve unit 27.2 / 4, and the latter to Valve unit 27.1 / 3.
  • a memory line 29.3 / 4 branches off from the memory line 29.1 / 3 a valve unit 27.3 / 4, so that all four cylinder spaces 25 optionally with the piston accumulator 28 are connectable.
  • the shut-off devices 27.1 / 2, 27.1 / 3, 27.3 / 4 and 27.2 / 4 each include the two neighboring ones Piston-cylinder units 8 connecting rods on the rod and cylinder side 24 and 26, and the storage line 29 branching from the latter, and are each via a Control line 30 connected to the control device 22, the shut-off device 27.1 / 3 with the control line 30.1 / 3 etc., with the following aim:
  • valve unit 27.1 / 2 made possible, that is, by connecting the rod spaces 23.1 and 23.1 via the now Open rod room connection line 24.1 / 2, still a connection of the cylinder rooms 25.1 and 25.2 via the cylinder space connecting line 26.1 / 2, and an opening the memory line 29.1 / 2 leading from the latter to the memory 28.
  • it is therefore with simple means quickly, safely and easily in any relative position between Upper and lower part of the excavator 1 due to the quasi-elastic support of the excavator 1 a statically determined support by means of its rail wheels 6 on the rails 7 create.
  • the piston accumulator 28 is first activated High pressure is emptied, which in turn causes all four cylinders 31.1 - 31.4 to reach their end position rod-side stop 19.1 - 19.4 are pressed, so that again an initial situation is present as it was when rail operations started, and after the uppercarriage 11 has been pivoted into the next / another quadrant then the two piston-cylinder units lying below the counterweight 15 in a corresponding manner 8 connected to each other and to the memory 28, as this continues is described above as an example.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Vehicle Body Suspensions (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
EP00116286A 2000-08-10 2000-08-10 Procédé pour supporter un engin de chantier mobile, actionné hydrauliquement sur une voie ferrée et engin de chantier pour la mise en oeuvre dudit procédé Expired - Lifetime EP1182302B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50010402T DE50010402D1 (de) 2000-08-10 2000-08-10 Verfahren zum Abstützen eines hydraulisch betätigbaren, verfahrbaren Arbeitsgerätes auf einer Spurbahn, und Arbeitsgerät zur Durchführung dieses Verfahrens
EP00116286A EP1182302B1 (fr) 2000-08-10 2000-08-10 Procédé pour supporter un engin de chantier mobile, actionné hydrauliquement sur une voie ferrée et engin de chantier pour la mise en oeuvre dudit procédé
ES00116286T ES2243178T3 (es) 2000-08-10 2000-08-10 Procedimiento para el apoyo de un equipo de trabajo accionado hidraulicamente y desplazable sobre una via ferrea, asi como equipo de trabajo para la realizacion de este procedimiento.
AT00116286T ATE296383T1 (de) 2000-08-10 2000-08-10 Verfahren zum abstützen eines hydraulisch betätigbaren, verfahrbaren arbeitsgerätes auf einer spurbahn, und arbeitsgerät zur durchführung dieses verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00116286A EP1182302B1 (fr) 2000-08-10 2000-08-10 Procédé pour supporter un engin de chantier mobile, actionné hydrauliquement sur une voie ferrée et engin de chantier pour la mise en oeuvre dudit procédé

Publications (2)

Publication Number Publication Date
EP1182302A1 true EP1182302A1 (fr) 2002-02-27
EP1182302B1 EP1182302B1 (fr) 2005-05-25

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Family Applications (1)

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EP00116286A Expired - Lifetime EP1182302B1 (fr) 2000-08-10 2000-08-10 Procédé pour supporter un engin de chantier mobile, actionné hydrauliquement sur une voie ferrée et engin de chantier pour la mise en oeuvre dudit procédé

Country Status (4)

Country Link
EP (1) EP1182302B1 (fr)
AT (1) ATE296383T1 (fr)
DE (1) DE50010402D1 (fr)
ES (1) ES2243178T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925754A1 (fr) * 2006-11-21 2008-05-28 Liebherr-Hydraulikbagger GmbH Excavatrice combinée route-rail
EP1925753A2 (fr) * 2006-11-21 2008-05-28 Liebherr-Hydraulikbagger GmbH Excavateur à deux voies.
DE202008009037U1 (de) * 2008-07-04 2009-11-12 Liebherr-Hydraulikbagger Gmbh Zweiwegebagger
CN108798685A (zh) * 2018-06-05 2018-11-13 辽宁三三工业有限公司 一种盾构机液压调整车轮
CN115822028A (zh) * 2022-12-29 2023-03-21 徐州徐工挖掘机械有限公司 一种公铁两用挖掘机的行走液压系统及控制方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356954A (en) * 1964-12-09 1967-12-05 Schmidt Karl Heinz Wheel suspension system for road vehicles and cross-country vehicles
US4142710A (en) * 1976-12-01 1979-03-06 Tadano Ltd. Automatic extension control system for jacking device
US4247126A (en) * 1979-09-27 1981-01-27 Up-Right, Inc. Hydraulic suspension for harvesting machines
DE3512232A1 (de) * 1985-02-07 1986-08-14 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen Hydropneumatische achsfederung fuer fahrzeuge, vorzugsweise auto- und mobilkrane
US4734006A (en) * 1985-03-28 1988-03-29 Zettelmeyer-Baumaschinen Gmbh Wheeled building and construction machine of the mechanical shovel, bulldozer or the like type, having articulated steering
US5601306A (en) * 1993-10-28 1997-02-11 Kinetic Limited Vehicle suspension system
US5709394A (en) * 1997-01-10 1998-01-20 New Holland Braud S.A. Suspension means for a utility vehicle
EP0858918A1 (fr) * 1997-02-18 1998-08-19 MUMFORD, Michael Anthony Système de suspension anti-roulis pour véhicule

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041970B4 (de) * 1990-12-21 2010-06-17 Atlas Weyhausen Gmbh Fahrgestell, insbesondere für einen Zweiwege-Bagger

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356954A (en) * 1964-12-09 1967-12-05 Schmidt Karl Heinz Wheel suspension system for road vehicles and cross-country vehicles
US4142710A (en) * 1976-12-01 1979-03-06 Tadano Ltd. Automatic extension control system for jacking device
US4247126A (en) * 1979-09-27 1981-01-27 Up-Right, Inc. Hydraulic suspension for harvesting machines
DE3512232A1 (de) * 1985-02-07 1986-08-14 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen Hydropneumatische achsfederung fuer fahrzeuge, vorzugsweise auto- und mobilkrane
US4734006A (en) * 1985-03-28 1988-03-29 Zettelmeyer-Baumaschinen Gmbh Wheeled building and construction machine of the mechanical shovel, bulldozer or the like type, having articulated steering
US5601306A (en) * 1993-10-28 1997-02-11 Kinetic Limited Vehicle suspension system
US5709394A (en) * 1997-01-10 1998-01-20 New Holland Braud S.A. Suspension means for a utility vehicle
EP0858918A1 (fr) * 1997-02-18 1998-08-19 MUMFORD, Michael Anthony Système de suspension anti-roulis pour véhicule

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925754A1 (fr) * 2006-11-21 2008-05-28 Liebherr-Hydraulikbagger GmbH Excavatrice combinée route-rail
EP1925753A2 (fr) * 2006-11-21 2008-05-28 Liebherr-Hydraulikbagger GmbH Excavateur à deux voies.
EP1925753A3 (fr) * 2006-11-21 2009-12-16 Liebherr-Hydraulikbagger GmbH Excavateur à deux voies.
DE202008009037U1 (de) * 2008-07-04 2009-11-12 Liebherr-Hydraulikbagger Gmbh Zweiwegebagger
EP2141290A1 (fr) * 2008-07-04 2010-01-06 Liebherr-Hydraulikbagger GmbH Excavateur à deux trajectoires
CN108798685A (zh) * 2018-06-05 2018-11-13 辽宁三三工业有限公司 一种盾构机液压调整车轮
CN115822028A (zh) * 2022-12-29 2023-03-21 徐州徐工挖掘机械有限公司 一种公铁两用挖掘机的行走液压系统及控制方法

Also Published As

Publication number Publication date
ATE296383T1 (de) 2005-06-15
DE50010402D1 (de) 2005-06-30
ES2243178T3 (es) 2005-12-01
EP1182302B1 (fr) 2005-05-25

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