EP1182302B1 - Verfahren zum Abstützen eines hydraulisch betätigbaren, verfahrbaren Arbeitsgerätes auf einer Spurbahn, und Arbeitsgerät zur Durchführung dieses Verfahrens - Google Patents
Verfahren zum Abstützen eines hydraulisch betätigbaren, verfahrbaren Arbeitsgerätes auf einer Spurbahn, und Arbeitsgerät zur Durchführung dieses Verfahrens Download PDFInfo
- Publication number
- EP1182302B1 EP1182302B1 EP00116286A EP00116286A EP1182302B1 EP 1182302 B1 EP1182302 B1 EP 1182302B1 EP 00116286 A EP00116286 A EP 00116286A EP 00116286 A EP00116286 A EP 00116286A EP 1182302 B1 EP1182302 B1 EP 1182302B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- cylinder
- rail
- cylinder units
- working
- 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
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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 operated, movable working device, in particular a two-way excavator, on one Trajectory, as in the preamble of claim 1 (also with respect to the essential features the work equipment to be supported) is described.
- the present invention relates to a hydraulically actuated working device for Implementation of the aforementioned method according to the preamble of claim 5, ie esp.
- a hydraulically actuated working device for Implementation of the aforementioned method according to the preamble of claim 5, ie esp.
- two-way excavator hydraulic excavator in the manner of a track railroad vehicle with a working tool in the manner of a spoon, gripper or the like ..
- Weg cels in two-way excavators, ie Vehicles, which due to special (possibly also additional) facilities the traffic route can change. Because you usually only at a transition from a scholarwegart to only one is interested, one speaks in practice i.a. also of two-way vehicles. In this case, in addition to road-water vehicles esp. So-called. Spurbahn road vehicles of which again esp. The rail-road vehicles particular importance have attained. Again, these include the i.a. hydraulic operated two-way excavator.
- Two-way (hydraulic) excavators form rail-road "vehicles" in their purest form. Because she lead their two types of chassis (for rail or road operation) - unlike so-called. unreal rail-road vehicles in which the example. Trained as a semi-trailer Road vehicle on two railway wheeled sets, with draw and push devices provided supporting frames placed and locked with these frictionally, and in which the road undercarriage i.a. must be cranked up constantly with.
- Such two-way excavator are so far designed so that when switching from road travel on track railway operation in road operation by means of hydraulic lifting devices upwards retracted rail wheels or at their end portions with these provided rail wheel axles with the piston-cylinder units ("hydraulic cylinders") the rail wheel lifting devices each up to the rod-side stops the Piston-cylinder units extended down and the track rail operation - so not only in stationary use of the implement, but also in the process of the excavator on the Trajectory - are held in this working position, the lifting height determining Cylinder length is chosen so that the road wheels at a sufficient height above the track be located when the excavator by means of its (i.a four) rail wheels on the rails of Railway track is supported.
- the present invention is based on the object, the method of the beginning or in Preamble of claim 1 described genb to improve in that with little technical and control engineering effort - always a statically determined (Three-point) support by means of its rail wheels on the rails of the track supported excavator is to ensure and ensure, so that even at considerable Rail unevenness and / or gauge railway operation with relatively high driving speed none Danger of derailment exists.
- a generic working device, esp. A Two-way hydraulic excavator are created in which the inventive Abstützmaschine not only at all, but in a particularly simple, expedient manner and practiced with a relatively low investment and labor.
- the invention is based on an embodiment with reference to a Drawing further explained.
- Figs. 1 and 2 show a generally designated 1 two-way hydraulic excavator four in pairs on both sides of an i.w. right-angled (above and below also Undercarriage 2 (which 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 with a front axle 4 and a rear axle 5 and at the respective end portions of the axles 4, 5 are arranged.
- Undercarriage 2 which in Fig. 2 for reasons of better clarity I. W. has been omitted
- the four road wheels 3 are not on the ground, since the excavator 1 is in the state of rail operation, and therefore four at the corner areas of the undercarriage 2 arranged rail wheels 6, which by means of a hydraulic Lifting device from a relative to the road wheels 3 raised rest position in the illustrated in Fig. 1, lowered working position (driving position) on the two rails 7, 7 are lowered a track railway.
- the rail wheels 6 are by means of a not in the drawing to drive in detail shown (Schienenzier-) suspension, and by means of a brake not also shown in detail. As the rail wheels 6 are at road travel of the excavator 1 in a raised rest position, is the excavator 1 then of course by means of a separate (road wheels) suspension to drive and decelerate by means of an associated braking device.
- the lifting device is i.w. four hydraulic piston-cylinder units 8, which are each associated with a rail wheel 6, so that singular relative movements of Rail wheels 6 to the undercarriage 2 and the machine frame 2 ', on which the road wheels. 3 are stored stationary, are possible.
- the two arranged in the main direction of travel 9 front of the excavator 1 Piston-cylinder units 8 on one of the two front rail wheels 6 connecting front axle and / or the two in the main direction 9 rear piston-cylinder units 8 acting on one of the two rear rail wheels 6 connecting rear axle as in the prior art in previously known two-way hydraulic excavators be the case here or a similar education the case can.
- the excavator 1 by means of a hydraulic rotary drive relative to Undercarriage 2 about a vertical pivot axis 10 rotatable or pivotable upper carriage 11th on, the above and below also referred to as "top" of the excavator 1.
- the superstructure 11 has u.a. a driver's pulpit 12, a multi-part boom 13, one at the free End arranged working tool 14 (such as a spoon or gripper), as well as at his opposite, rear end portion on a counterweight 15.
- the excavator 1 has a controller 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 controller 22 including a computer
- Fig. 3 shows in a conventional schematic representation of a (i.w. hydraulic) circuit diagram for the excavator 1 gem. Figs. 1 and 2, due to which the inventive method in optimal way to practice.
- the two front rail wheels 6.1 and 6.2 and the two rear rail wheels 6.3 and 6.4 for the sake of easier understanding for attribution reasons, with 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, also referred to as "rail axes" be, but - as has already been stated - not necessarily necessarily exist must be, since - as has already been stated - a singular relative movement the rail wheels 6 to the device frame 2 'is sought, and this for optimal Practicing the method according to the invention may even be required, although an axle connection of the rail wheel pairs 6.1, 6.2 or 6.3, 6.4 do not oppose that got to.
- the controller 22 then generates based on the received relative position signal Control signals for controllable shut-off between the piston-cylinder units 8, which are recognizable in FIG. 3 and 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 chambers 25 of the piston-cylinder units 8 are interconnected via cylinder space connection lines 26, however, both the rod space connecting lines 24 and the cylinder space connecting lines 26 first by a respective of the controller 22nd controllable shut-off device (valve unit) 27 are closed.
- the cylinder chamber 25.1 of the piston-cylinder unit 8.1 is connected to the cylinder chamber 25.2 of 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 chamber 25.3 with the cylinder chamber 25.4 of Piston-cylinder unit 8.4 connected via a cylinder space connecting line 26.3 / 4 is, and the latter with the cylinder chamber 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.
- an (oil) piston accumulator 28 which forms a pump as such, and the cylinder chamber 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 a Branch line 29.1 / 3 branches off, the former leads to valve unit 27.2 / 4, and the latter to Valve unit 27.1 / 3. From the memory line 29.1 / 3 branches a memory line 29.3 / 4 a valve unit 27.3 / 4, so that all four cylinder chambers 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 respectively comprise the two adjacent ones Piston-cylinder units 8 rod side and cylinder-side connecting lines 24 and 26, respectively, and the branching of the latter memory line 29, and each have a Control line 30 connected to the control device 22, the obturator 27.1 / 3 so with the control line 30.1 / 3 u.s.f., with the following aim:
- the instantaneous arrangement (pivot position) of the Jib 13 and thus its current local assignment to one of the four imaginary determined working quadrants I, II, III and IV determined and a corresponding relative position signal generated and transmitted to the controller 22 generates this one Control signal for the corresponding obturator 27 of the two in this position under the Counterweight 15 located piston-cylinder units 8, which causes on the one hand the rod spaces 23 of these two piston-cylinder units with each other, as well as on the other the cylinder chambers 25 are hydraulically connected to the piston accumulator 28, so on the one hand, that the respective rod and piston chambers can exchange with each other, and moreover, it is made possible that the piston accumulator serving as a storage element 28 each accommodates that volume of oil, which regularly balancing an existing Rail unevenness corresponds.
- Figs. 1 and 2 are thus in so far the two rear-mounted piston-cylinder units 8.3 and 8.4, which are arranged under the counterweight 15 are (at the indicated in Fig. 2 with dash-2-dot lines pivot position to the Piston-cylinder units 8.2 and 8.4), while Fig. 3 shows a pivoting position of the boom 13 (and thus also arranged on the upper carriage 11 counterweight 15) based is at which the two front piston-cylinder units 8.1 and 8.2 currently are under the counterweight 15.
- valve unit 27.1 / 2 allows, so by connecting the rod spaces 23.1 and 23.1 on the now open rod space connection line 24.1 / 2, continue to connect the cylinder chambers 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.
- opening the valve unit 27.1 / 2 allows, so by connecting the rod spaces 23.1 and 23.1 on the now open rod space connection line 24.1 / 2, continue to connect the cylinder chambers 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.
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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)
- Machines For Laying And Maintaining Railways (AREA)
- Vehicle Body Suspensions (AREA)
Description
- Fig. 1:
- eine Seitenansicht eines auf den Schienen einer Spurbahn abgestützten Zwei-Wege-Hydraulikbaggers in Richtung des Pfeiles I' in Fig. 2 gesehen;
- Fig. 2:
- eine (Teil-)Draufsicht auf den Bagger gem. Fig. 1 in Richtung des Pfeiles II in Fig. 1 gesehen; und
- Fig. 3:
- einen hydraulischen Schaltplan für den Bagger gem den Fig. 1 und 2, aufgrund dessen sich das erfindungsgemäße Verfahren in besonders einfacher und zweckmäßiger Weise praktizieren läßt.
- 1
- Zwei-Wege-Hydraulikbagger
- 2
- Unterwagen (Unterteil) (von 1)
- 2'
- Geräterahmen
- 3
- Straßenräder
- 3'
- Längsachse (von 1)
- 4
- Vorderachse (für 3)
- A, B
- Achsen
- 5
- Hinterachse (für 3)
- 6
- Schienenräder
- 7
- Schienen
- 8
- Kolben-Zylinder-Einheiten
- 9
- Haupt-Fahrtrichtung
- 10
- Schwenkachse
- 11
- Oberwagen (= Oberteil) (von 1)
- 12
- Führerkanzel
- 13
- Ausleger
- 14
- Arbeitswerkzeug (Löffel)
- 15
- Gegengewicht
- 16
- Vorderachse (für 6.1, 6.2)
- 17
- Hinterachse (für 6.3, 6.4)
- 18
- Kolbenstangen
- 19
- stangenseitige Anschläge (von 8)
- 20
- Detektoreinrichtung
- 21
- Rechner
- 22
- Steuereinrichtung
- 23
- Stangenräume (von 8)
- 24
- Stangenraum-Verbindungsleitungen
- 25
- Zylinderräume (von 8)
- 26
- Zylinderraum-Verbindungsleitungen
- 27
- Absperrorgan (von 24 bzw. 26)
- 28
- (Öl-)Kolbenspeicher
- 28'
- Zylinderraum
- 29
- Speicherleitung
- 30
- Steuerleitung
- 31
- Kolben
- 32
- Zylinder
Claims (5)
- Verfahren zum Abstützen eines hydraulisch betätigbaren, verfahrbaren Arbeitsgerätes, insbesondere eines Zwei-Wege-Baggers (1), auf einer Spurbahn (7), welchesein Unterteil (2) mit einem Geräterahmen (2') und vier an diesem angeordneten Schienenrädern (6) zum Abstützen des Gerätes (1) auf der Spurbahn (7) aufweist, die jeweils mittels einer hydraulisch betätigbaren Kolben-Zylinder-Einheit (8) relativ zum Geräterahmen (2') höhenverstellbar und mittels einer Steuereinrichtung (22) steuerbar sind,sowie ein das Arbeitswerkzeug (14) wie bspw. einen Löffel oder Greifer tragendes Oberteil (11), welches relativ zu dem Unterteil (2) um eine vertikale Schwenkachse (1') verschwenkbar bzw. drehbar ist, und auf seiner dem Arbeitswerkzeug (14) abgekehrten Rückseite mit einem Gegengewicht (15) versehen ist,wobei zwei diagonale Achsen (A, B), welche jeweils im wesentlichen durch ein vorderes Schienenrad (z.B. 6, 1) und das auf der anderen Seite angeordnete hintere Schienenrad (6.4.) verlaufen, das Arbeitsgerät (1) - in der Draufsicht - in vier gedachte Arbeits-Quadranten (I, II, III, IV) unterteilen,die momentane Relativstellung zwischen dem Oberteil (11) und dem Unterteil (2) des Arbeitsgerätes mittels einer Detektoreinrichtung (20) ermittelt sowie ein ent-sprechendes Relativstellungssignal erzeugt und an die - mit einem Rechner (21) versehene - Steuereinrichtung (22) übermittelt wird;und die Steuereinrichtung (22) aufgrund des empfangenen Relativstellungssignals wenigstens ein Steuersignal erzeugt, mittels desseneinerseits die Stangenräume (23) zweier Kolben-Zylinder-Einheiten (z.B. 8.1, 8.2) miteinander verbunden werden, sowieandererseits die Zylinderräume (25.1, 25.2) dieser beiden Kolben-Zylinder-Einheiten (8.1, 8.2) hydraulisch mit einem Öl-Speicher (28) verbunden werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß vor einem Verfahren des Arbeitsgerätes (1) die Stangenräume (z.B. 23.1, 23.2) von zwei einander benachbarten Kolben-Zylinder-Einheiten (8.1, 8.2) miteinander hydraulisch verbunden werden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß die Stangenräume (z.B. 23.1, 23.2) der beiden dem Gegengewicht (15) benachbarten bzw. unter diesen befindlichen Kolben-Zylinder-Einheiten (z.B. 8.1, 8.2) miteinander verbunden werden.
- Verfahren nach einem der vorhergehenden Ansprüche, insbesondere nach Anspruch, 3, dadurch gekennzeichnet, daß bei einem Verschwenken des in einem der vier Arbeits-Quadranten (I, II, III, IV) befindlichen Arbeitswerkzeuges (14) in einen anderen Quadranten zunächst die beiden beim Verbinden ihrer Stangenräume (z.B. 23.1, 23.2) einerseits sowie dem Verbinden ihrer Zylinderräume (z.B. 25.1, 25.2) mit dem Öl-Speicher (28) andererseits aus ihrer Anschlagstellung begrenzt zurückgefahrenen Kolben (z.B. 31.1, 31.2) der betreffenden Kolben-Zylinder-Einheiten (z.B. 8.1, 8.2) durch Entleerung des Speichers (28) mittels Hochdruckbeaufschlagung in ihre Anschlagstellung ausgefahren werden; daß das Oberteil (11) mit dem Arbeitswerkzeug (14) in seine neue Arbeitsstellung verschwenkt wird; daß die neue Relativstellung zwischen Oberteil (11) und Unterteil (2) mittels der Detektoreinrichtung (20) festgestellt und ein entsprechendes Signal an die Steuereinrichtung (22) übermittelt wird; und daß sodann die beiden Stangenräume (23) von zwei Kolben-Zylinder-Einheiten (8), vorzugsweise der nunmehr unter dem Gegengewicht (15) befindlichen Kolben-Zylinder-Einheiten, miteinander sowie deren Zylinderräume (25) mit dem Speicher (28) verbunden werden.
- Hydraulisch betätigbares Arbeitsgerät, insbesondere Zwei-Wege-Hydraulikbagger (1) in der Art eines Spurbahn-bzw Schienen-Straße-Fahrzeuges, mit vier paarweise an beiden Längsseiten eines in wesentlichen rechtwinkligen Unterwagens (2) angeordneten, wenigstens teilweise antreibbaren Straßenrädern (3), die im allgemeinen paarweise mit einer Vorder- bzw. Hinter-Achse (4 bzw. 5) verbunden sind; mit vier an den Eckbereichen des Unterwagens (2) angeordneten Schienenrädern (6), die mittels einer hydraulischen Hubeinrichtung aus einer angehobenen Ruhestellung in eine abgesenkte Arbeitsstellung bzw. Fahrstellung auf die Schienen (7) einer Spurbahn abzusenken, mittels eines Schienenräder- Fahrwerkes anzutreiben, sowie mittels einer Bremseinrichtung abzubremsen sind, wobei die Hubeinrichtung eine hydraulische Kolben-Zylinder-Einheit (8) je Schienenrad (6) aufweist; mit einem mittels eines i.a. hydraulischen Drehantriebes relativ zu dem Unterwagen (2) um eine vertikale Schwenkachse (10) dreh- bzw. schwenkbaren Oberwagen (11), der einen an seinem freien Ende mit einem Arbeitswerkzeug (14) versehenen Ausleger (13), ein auf der gegenüberliegenden Seite angeordnetes Gegengewicht (15), sowie i.a. eine Führerkanzel (12) aufweist; sowie mit einer Steuereinrichtung, mittels welcher die Hubeinrichtung sowie die übrigen Komponenten des Arbeitsgerätes (1) zu steuern sind, zur Durchführung des Verfahrens nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die vier Kolben-Zylinder-Einheiten (8.1, 8.2, 8.3, 8.4) der Hubeinrichtung beim Ausfahren des Schienenfahrwerkes aus dessen angehobener Ruhestellung in seine abgesenkte Arbeitsstellung bzw Fahrstellung von der Steuereinrichtung (22) so gesteuert sind, daß sie zunächst in ihre ausgefahrene Endlage fahren; daß eine Detektiereinrichtung (20) vorgesehen ist, mittels welcher die momentane Relativstellung von Ober- und Unterwagen festzustellen und ein entsprechendes Signal zu erzeugen ist; daß einerseits die Stangenräume (23) der vier Kolben-Zylinder-Einheiten (8) jeweils mit den Stangenräumen (23) der anderen Kolben-Zylinder-Einheiten (8) über jeweils mit einem von der Steuereinrichtung (22) ansteuerbaren Absperrorgan (27) versehene Stangenraum-Verbindungsleitungen (24), und andererseits die Zylinderräume (25) der vier Kolben-Zylinder-Einheiten (8) jeweils mit den Zylinderräumen (25) der anderen Kolben-Zylinder-Einheiten (8) über jeweils mit einem von der Steuereinrichtung (22) ansteuerbaren Absperrorgan (27) versehene Zylinderraum-Verbindungsleitungen (26) zwischen einander benachbarten Kolben-Zylinder-Einheiten (8) verbunden sind; und daß wenigstens ein Speicher (28) vorhanden ist, der mit den Zylinderraum-Verbindungsleitungen (26) zwischen einander benachbarten Kolben-Zylinder-Einheiten (8) jeweils über eine Speicherleitung (29) verbunden ist, die jeweils zum Zylinderraum (25) der betreffenden Kolben-Zylinder-Einheiten (8) führt, und mit einem von der Steuereinrichtung (22) ansteuerbaren Absperrorgan (27) versehen ist.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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. |
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 |
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 |
EP00116286A EP1182302B1 (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 (de) | 2000-08-10 | 2000-08-10 | Verfahren zum Abstützen eines hydraulisch betätigbaren, verfahrbaren Arbeitsgerätes auf einer Spurbahn, und Arbeitsgerät zur Durchführung dieses Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1182302A1 EP1182302A1 (de) | 2002-02-27 |
EP1182302B1 true EP1182302B1 (de) | 2005-05-25 |
Family
ID=8169371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00116286A Expired - Lifetime EP1182302B1 (de) | 2000-08-10 | 2000-08-10 | Verfahren zum Abstützen eines hydraulisch betätigbaren, verfahrbaren Arbeitsgerätes auf einer Spurbahn, und Arbeitsgerät zur Durchführung dieses Verfahrens |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1182302B1 (de) |
AT (1) | ATE296383T1 (de) |
DE (1) | DE50010402D1 (de) |
ES (1) | ES2243178T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006017726U1 (de) * | 2006-11-21 | 2008-04-03 | Liebherr-Hydraulikbagger Gmbh | Zweiwegebagger |
DE202006017727U1 (de) * | 2006-11-21 | 2008-04-03 | Liebherr-Hydraulikbagger Gmbh | Zweiwegebagger |
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 |
CN115822028B (zh) * | 2022-12-29 | 2023-07-25 | 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***及控制方法 |
Citations (1)
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DE4041970A1 (de) * | 1990-12-21 | 1992-07-02 | Atlas Weyhausen Gmbh | Fahrgestell, insbesondere fuer einen zweiwege-bagger |
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US3356954A (en) * | 1964-12-09 | 1967-12-05 | Schmidt Karl Heinz | Wheel suspension system for road vehicles and cross-country vehicles |
JPS5370286A (en) * | 1976-12-01 | 1978-06-22 | Tadano Tekkosho:Kk | Automatic expansion controller for four or more jacks |
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 |
DE3511336A1 (de) * | 1985-03-28 | 1986-10-02 | Zettelmeyer-Baumaschinen GmbH, 5503 Konz | Auf raedern fahrbare baumaschine mit knicklenkung, wie schaufellader, planierfahrzeug o.dgl. |
GB2297299B (en) * | 1993-10-28 | 1997-03-05 | Kinetic Ltd | Vehicle suspension system |
US5709394A (en) * | 1997-01-10 | 1998-01-20 | New Holland Braud S.A. | Suspension means for a utility vehicle |
EP0858918A1 (de) * | 1997-02-18 | 1998-08-19 | MUMFORD, Michael Anthony | Antirollfederungssystem für Fahrzeuge |
-
2000
- 2000-08-10 ES ES00116286T patent/ES2243178T3/es not_active Expired - Lifetime
- 2000-08-10 EP EP00116286A patent/EP1182302B1/de not_active Expired - Lifetime
- 2000-08-10 DE DE50010402T patent/DE50010402D1/de not_active Expired - Lifetime
- 2000-08-10 AT AT00116286T patent/ATE296383T1/de active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4041970A1 (de) * | 1990-12-21 | 1992-07-02 | Atlas Weyhausen Gmbh | Fahrgestell, insbesondere fuer einen zweiwege-bagger |
Also Published As
Publication number | Publication date |
---|---|
ATE296383T1 (de) | 2005-06-15 |
ES2243178T3 (es) | 2005-12-01 |
EP1182302A1 (de) | 2002-02-27 |
DE50010402D1 (de) | 2005-06-30 |
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