EP0313940A2 - Switch for a land carriage system - Google Patents

Switch for a land carriage system Download PDF

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Publication number
EP0313940A2
EP0313940A2 EP88117141A EP88117141A EP0313940A2 EP 0313940 A2 EP0313940 A2 EP 0313940A2 EP 88117141 A EP88117141 A EP 88117141A EP 88117141 A EP88117141 A EP 88117141A EP 0313940 A2 EP0313940 A2 EP 0313940A2
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EP
European Patent Office
Prior art keywords
guide
switch according
switch
guide shoe
guide pin
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
EP88117141A
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German (de)
French (fr)
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EP0313940A3 (en
EP0313940B1 (en
Inventor
Georg Uttscheid
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Individual
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Individual
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Priority to AT88117141T priority Critical patent/ATE76456T1/en
Publication of EP0313940A2 publication Critical patent/EP0313940A2/en
Publication of EP0313940A3 publication Critical patent/EP0313940A3/en
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Publication of EP0313940B1 publication Critical patent/EP0313940B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/28—Rail tracks for guiding vehicles when running on road or similar surface

Definitions

  • the invention relates to a switch for a floor conveyor system according to the preamble of the main claim.
  • a floor conveyor system is described in German patent application 34 04 805.7.
  • the conventional electric transport vehicle shown in FIG. 1 has already been described in detail in German patent application 34 04 805.7. Reference is expressly made to this description for the purpose of disclosure.
  • the electric transport vehicle 1 comprises a plate 10 on which the goods to be transported are placed or placed.
  • a turntable 12 is rotatably mounted on the plate 10 about a vertical axis.
  • a steering arm 14 extends forward, on which a front wheel 16 is mounted.
  • the axle of the front wheel 16 is directly connected to an electric motor (not shown).
  • a pantograph 18 is attached to the steering arm 14. This engages on a busbar within an underfloor guide rail 20.
  • a guide pin 22 is attached, which also protrudes into the guide rail 20.
  • a cantilever arm 24 is articulated at the front end of the steering arm 14, from which an axis 26 extends downward in the front region.
  • a guide shoe 28 is articulated. This has the elongated shape of a boat, as shown in Fig. 3 in plan view.
  • the guide shoe 28 is either completely or at least partially made of soft iron or another ferromagnetic material so that it can be attracted by an electromagnet.
  • the guide shoe 28 is tapered at its front end.
  • the axis 26 is connected approximately centrally to the guide shoe 28 and the guide shoe projects backwards approximately to the guide pin 22.
  • the steering arm 14 can be raised with the aid of a lifting device 30, so that the pantograph 18, the guide pin 22 and the guide shoe 28 from the underfloor - Guide rail can be pulled out.
  • FIG. 3 shows the turnout area of the underfloor guide rail 20 in plan view.
  • a fork in which a branch rail 32 branches off to the right from the guide rail 20.
  • the direction of movement runs from right to left.
  • the left side wall of the guide rail as seen in the direction of movement is a continuously straight side wall.
  • the right side wall of the guide rail 20 seen in the direction of movement is curved in the area of the switch.
  • the area of curvature merges into a straight wall area at both ends.
  • Behind the switch there is a wedge-shaped element 34 which defines the two additional side walls behind the fork.
  • a plurality of electromagnets 42 are arranged one behind the other on both side walls of the switch region 36, ie the straight side wall 38 and the curved side wall 40.
  • Each electromagnet consists of a magnetic core 44 and a winding 46.
  • the magnetic core extends towards the side wall, so that the magnetic pole lies on the side wall.
  • Another joint 52 may be provided with a horizontal hinge axis, so that the guide shoe is movable on all sides.
  • the switch works as follows. When an electric transport vehicle approaches the switch area, the electromagnets on one side or the electromagnets on the other side are selectively excited. It should be assumed that the upper electromagnets shown in FIG. 3, ie the electromagnets associated with the curved side wall of the switch, are excited. As soon as the guide shoe 28 comes from the magnetic area into the area of attraction of the electromagnets, it rests against the side wall. The electromagnets can be exposed in the area of the side wall. However, a cover plate 56 made of non-magnetic material can preferably also be provided. In the latter case, the guide shoe 28 lies against this plate 26 and slides along this plate.

Abstract

In this system, a guide pin which reaches into an underground guide rail is preceded by a guide shoe which is mounted so as to be movable on all sides and consists of ferromagnetic material. In the region of the switch, on the side walls, are provided electromagnets which cause the guide shoe to be moved towards the one or the other wall region, so that the guide shoe and the guide pin are introduced into one of the two branching guide rails.

Description

Die Erfindung betrifft eine Weiche für ein Bodentrans­portersystem gemäß dem Oberbegriff des Hauptanspruchs. Ein solches Bodentransportersystem ist in der deutschen Patentanmeldung 34 04 805.7 beschrieben.The invention relates to a switch for a floor conveyor system according to the preamble of the main claim. Such a floor conveyor system is described in German patent application 34 04 805.7.

Bei einem solchen Bodentransportersystem besteht das Problem im Bereich einer Weiche, das Elektrotrans­portfahrzeug fernsteuerbar selektiv entweder in die eine oder die andere Abzweigführungsschiene einfahren zu lassen. Erfindungsgemäß wird diese Aufgabe durch die elektromagnetische Weiche gemäß Anspruch 1 gelöst.With such a ground transporter system, there is the problem in the area of a switch that allows the electric transport vehicle to be selectively driven either remotely into one or the other branch guide rail. According to the invention, this object is achieved by the electromagnetic switch according to claim 1.

Im folgenden wird die Erfindung anhand von Zeichnungen näher erläutert. Es zeigen:

  • Fig. 1 eine Seitenansicht eines herkömmlichen Elektro­transportfahrzeugs für ein Bodentransporter­system;
  • Fig. 2 einen erfindungsgemäß abgewandelten Teilbereich des Elektrotransportfahrzeugs gemäß Fig. 1;
  • Fig. 3 eine Draufsicht eines Weichenbereichs der Führungsschiene des Bodentransportersystems und
  • Fig. 4 einen Schnitt entlang der Linie IV-IV der Fig. 3.
The invention is explained in more detail below with reference to drawings. Show it:
  • 1 is a side view of a conventional electric transportation vehicle for a ground transportation system;
  • FIG. 2 shows a partial area of the electric transport vehicle according to FIG. 1 modified according to the invention;
  • Fig. 3 is a plan view of a switch area of the guide rail of the floor conveyor system and
  • 4 shows a section along the line IV-IV of FIG. 3rd

Das in Fig. 1 gezeigte herkömmliche Elektrotransport­fahrzeug wurde bereits in der deutschen Patentanmeldung 34 04 805.7 im einzelnen beschrieben. Auf diese Beschrei­bung wird zum Zwecke der Offenbarung ausdrücklich Bezug genommen. Das Elektrotransportfahrzeug 1 umfaßt eine Platte 10, auf die das zu transportierende Gut gelegt oder gestellt wird. Im vorderen Bereich ist ein Drehkranz 12 um eine vertikale Achse drehbar an der Platte 10 ge­lagert. Von diesem erstreckt sich ein Lenkarm 14 nach vorne, an dem ein Vorderrad 16 gelagert ist. Die Achse des Vorderrades 16 ist direkt mit einem Elektromotor verbunden (nicht gezeigt). Ferner ist an den Lenkarm 14 ein Stromabnehmer 18 befestigt. Dieser greift an einer Stromschiene innerhalb einer Unterflur-Führungsschiene 20 an. Am vorderen Ende des Lenkarms 14 ist ein Führungs­bolzen 22 befestigt, welcher ebenfalls in die Führungs­schiene 20 hineinragt. Ferner ist am vorderen Ende des Lenkarms 14 ein Auslegerarm 24 angelenkt, von dem sich im vorderen Bereich eine Achse 26 abwärts erstreckt. An derem unteren Ende ist ein Führungsschuh 28 angelenkt. Dieser hat die langgestreckte Gestalt eines Schiffchens, wie in Fig. 3 in Draufsicht gezeigt. Der Führungs­schuh 28 besteht entweder vollständig oder zumindest teilweise aus Weicheisen oder einem anderen ferromag­netischen Werkstoff, so daß er von einem Elektromagneten angezogen werden kann. An seinem vorderen Ende ist der Führungsschuh 28 zugespitzt. Die Achse 26 ist etwa mittig mit dem Führungsschuh 28 verbunden und der Führungs­schuh ragt rückwärts etwa bis zu dem Führungsbolzen 22. Der Lenkarm 14 ist mit Hilfe einer Hubeinrichtung 30 anhebbar, so daß der Stromabnehmer 18, der Führungsbolzen 22 und der Führungsschuh 28 aus der Unterflur-Führungs­schiene herausziehbar sind.The conventional electric transport vehicle shown in FIG. 1 has already been described in detail in German patent application 34 04 805.7. Reference is expressly made to this description for the purpose of disclosure. The electric transport vehicle 1 comprises a plate 10 on which the goods to be transported are placed or placed. In the front area, a turntable 12 is rotatably mounted on the plate 10 about a vertical axis. From this, a steering arm 14 extends forward, on which a front wheel 16 is mounted. The axle of the front wheel 16 is directly connected to an electric motor (not shown). Furthermore, a pantograph 18 is attached to the steering arm 14. This engages on a busbar within an underfloor guide rail 20. At the front end of the steering arm 14, a guide pin 22 is attached, which also protrudes into the guide rail 20. Furthermore, a cantilever arm 24 is articulated at the front end of the steering arm 14, from which an axis 26 extends downward in the front region. At its lower end a guide shoe 28 is articulated. This has the elongated shape of a boat, as shown in Fig. 3 in plan view. The guide shoe 28 is either completely or at least partially made of soft iron or another ferromagnetic material so that it can be attracted by an electromagnet. The guide shoe 28 is tapered at its front end. The axis 26 is connected approximately centrally to the guide shoe 28 and the guide shoe projects backwards approximately to the guide pin 22. The steering arm 14 can be raised with the aid of a lifting device 30, so that the pantograph 18, the guide pin 22 and the guide shoe 28 from the underfloor - Guide rail can be pulled out.

Fig. 3 zeigt den Weichenbereich der Unterflur-Führungs­schiene 20 in Draufsicht. Im Weichenbereich liegt eine Gabelung, in der von der Führungsschiene 20 eine Zweig­schiene 32 nach rechts abzweigt. Bei der gezeigten Darstellung verläuft die Bewegungsrichtung von rechts nach links. Die in Bewegungsrichtung gesehen linke Seiten­wand der Führungsschiene ist eine durchgehend gerade Sei­tenwand. Die in Bewegungsrichtung gesehen rechte Seitenwand der Führungsschiene 20 ist im Bereich der Weiche gekrümmt. Der Krümmungsbereich geht an beiden Enden jeweils in einen geraden Wandbereich über. Hinter der Weiche befindet sich ein keilförmiges Element 34, welches die beiden zusätzlichen Seitenwandungen hinter der Gabelungsstelle definiert. An beiden Seitenwandungen des Weichenbereichs 36, d.h. der geraden Seitenwandung 38 und der gekrümmten Seitenwandung 40 sind mehrere Elektromagnete 42 hintereinander ange­ordnet. Diese sind mit einer Stromversorgungs- und Steuer­einrichtung verbunden. Jeder Elektromagnet besteht aus ei­nem Magnetkern 44 und einer Wicklung 46. Der Magnetkern erstreckt sich zur Seitenwandung hin, so daß der Magnet­pol an der Seitenwandung liegt. Über der Wicklung be­findet sich eine Isolierungsschicht 48 und auf dieser eine Abdeckplatte 50. Wie aus Fig. 4 ersichtlich ist, kann in der vertikalen Achse 26 des Führungsschuhs 28 noch ein weiteres Gelenk 52 mit einer horizontalen Gelenkachse vorgesehen sein, so daß der Führungsschuh allseitig beweglich ist.3 shows the turnout area of the underfloor guide rail 20 in plan view. In the switch area there is a fork in which a branch rail 32 branches off to the right from the guide rail 20. In the illustration shown, the direction of movement runs from right to left. The left side wall of the guide rail as seen in the direction of movement is a continuously straight side wall. The right side wall of the guide rail 20 seen in the direction of movement is curved in the area of the switch. The area of curvature merges into a straight wall area at both ends. Behind the switch there is a wedge-shaped element 34 which defines the two additional side walls behind the fork. A plurality of electromagnets 42 are arranged one behind the other on both side walls of the switch region 36, ie the straight side wall 38 and the curved side wall 40. These are connected to a power supply and control device. Each electromagnet consists of a magnetic core 44 and a winding 46. The magnetic core extends towards the side wall, so that the magnetic pole lies on the side wall. There is an insulation layer 48 above the winding and a cover plate 50 thereon. As can be seen from FIG Another joint 52 may be provided with a horizontal hinge axis, so that the guide shoe is movable on all sides.

Die Weiche arbeitet folgendermaßen. Wenn sich ein Elektrotransportfahrzeug dem Weichenbereich nähert, so werden die Elektromagnete der einen Seite oder die Elektromagnete der anderen Seite selektiv erregt. Es soll angenommen werden, daß die in Fig. 3 gezeigten oberen Elektromagnete, d.h. die der gekrümmten Seiten­wandung der Weiche zugeordneten Elektromagnete erregt werden. Sobald der Führungsschuh 28 aus magnetischem Bereich in den Anziehungsbereich der Elektromagnete kommt, legt er sich an die Seitenwandung an. In dem Be­reich der Seitenwandung können die Elektromagnete frei liegen. Vorzugsweise kann jedoch auch eine Ab­deckplatte 56 aus nichtmagnetischem Material vorgesehen sein. In letzterem Falle legt sich der Führungsschuh 28 an diese Platte 26 an und gleitet an dieser Platte entlang. Hierdurch wird ein Drehmoment auf dem Lenkarm 14 ausgeübt, so daß dieser zusammen mit den Führungs­bolzen 22 verschwenkt wird, und zwar in einem im Verlauf der Vorwärtsbewegung des Elektrotransportfahrzeugs zunehmenden Maße. Der Führungsschuh fährt schließlich am Ende der Weiche mit seinem vorderen zugespitzten Ende in die Abzweigführungsschiene 32 ein. Er zieht hierdurch auch den Führungsbolzen 22 in diese Abzweig­führungsschiene hinein, und im weiteren Verlauf über­nimmt diese Abzweigführungsschiene 32 die Führungs­funktion im Sinne einer weitergehenden Verschwenkung des Lenkarms 14. Nachdem der Führungsschuh 28 den Weichen­bereich verlassen hat, werden die Elektromagnete ausge­schaltet. Die hintereinanderliegenden Elektromagnete 42 können allesamt gleichzeitig erregt werden. Sie können aber auch nacheinander erregt werden. Falls das Elektro­ transportfahrzeug geradeaus fahren soll, werden die in Fig. 3 gezeigten unteren Elektromagnete 42 erregt. Der Führungsschuh 28 legt sich somit an die gerade Innenwandung des Weichenbereichs an und das Elektrotrans­portfahrzeug behält seine Geradeausfahrt bei.The switch works as follows. When an electric transport vehicle approaches the switch area, the electromagnets on one side or the electromagnets on the other side are selectively excited. It should be assumed that the upper electromagnets shown in FIG. 3, ie the electromagnets associated with the curved side wall of the switch, are excited. As soon as the guide shoe 28 comes from the magnetic area into the area of attraction of the electromagnets, it rests against the side wall. The electromagnets can be exposed in the area of the side wall. However, a cover plate 56 made of non-magnetic material can preferably also be provided. In the latter case, the guide shoe 28 lies against this plate 26 and slides along this plate. As a result, a torque is exerted on the steering arm 14 so that it is pivoted together with the guide bolts 22, to an increasing extent in the course of the forward movement of the electric transport vehicle. Finally, the guide shoe moves into the branch guide rail 32 at the end of the switch with its front, pointed end. As a result, it also pulls the guide pin 22 into this branch guide rail, and in the further course this branch guide rail 32 takes over the guide function in the sense of a further pivoting of the steering arm 14. After the guide shoe 28 has left the switch area, the electromagnets are switched off. The electromagnets 42 located one behind the other can all be excited simultaneously. But they can also be excited one after the other. If the electric Transport vehicle should drive straight ahead, the lower electromagnets 42 shown in Fig. 3 are energized. The guide shoe 28 thus lies against the straight inner wall of the turnout area and the electric transport vehicle maintains its straight travel.

Claims (7)

1. Weiche für ein Bodentransportersystem mit einem selbstfahrenden Elektrotransportfahrzeug, das einen in eine Unterflur-Führungsschiene ragenden Führungsbolzen aufweist, der mit einem Lenkmechanismus des Fahrzeugs verbunden ist, dadurch gekennzeichnet, daß an den Gabelungsstellen (36) der Unterflur-Führungs­schienen (20) gegenüberliegende Seitenwandbereiche (38,40) derselben mit selektiv und alternativ ansteuerbaren Elektromagneten (42) versehen sind und vor dem Führungs­bolzen (22) ein Führungsschuh (28) verschwenkbar ange­lenkt ist, der mindestens teilweise aus ferromagnetischen Werkstoff besteht.1. Switch for a ground transporter system with a self-propelled electric transport vehicle, which has a projecting in a underfloor guide rail guide pin which is connected to a steering mechanism of the vehicle, characterized in that at the fork points (36) of the underfloor guide rails (20) opposite side wall areas (38, 40) of the same are provided with selectively and alternatively controllable electromagnets (42) and a guide shoe (28) is pivotally articulated in front of the guide pin (22) and at least partially consists of ferromagnetic material. 2. Weiche nach Anspruch 1, dadurch gekennzeichnet, daß im Seitenwandbereich (38,40) mehrere hintereinander angeordnete Elektromagnete (42) vorgesehen sind.2. Switch according to claim 1, characterized in that a plurality of electromagnets (42) arranged one behind the other are provided in the side wall region (38, 40). 3. Weiche nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Führungsschuh (28) um eine mittige, vertikale und vor dem Führungsbolzen (22) gelegene Achse (26) verschwenkbar ist.3. Switch according to one of claims 1 or 2, characterized in that the guide shoe (28) about a central, vertical and in front of the guide pin (22) located axis (26) is pivotable. 4. Weiche nach Anspruch 3, dadurch gekennzeichnet, daß der Führungsschuh (28) zusätzlich um mindestens eine horizontale, vorzugsweise um zwei orthogonale horizontale Achsen verschwenkbar ist.4. Switch according to claim 3, characterized in that the guide shoe (28) is additionally pivotable about at least one horizontal, preferably about two orthogonal horizontal axes. 5. Weiche nach Anspruch 4, dadurch gekennzeichnet, daß in der vertikalen Achse (26) ein Gelenk (52) für die Verschwenkungen um die horizontalen Achsen vorge­sehen ist.5. Switch according to claim 4, characterized in that in the vertical axis (26) a joint (52) is provided for the pivoting about the horizontal axes. 6. Weiche nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Führungsschuh (28) gemeinsam mit dem Führungsbolzen (22) aus der Unterflur-Führungs­schiene (20) herausziehbar ist.6. Switch according to one of claims 1 to 5, characterized in that the guide shoe (28) together with the guide pin (22) from the underfloor guide rail (20) can be pulled out. 7. Weiche nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Elektrotransportfahrzeug einen vorderen Drehkranz (12) aufweist, an dem ein Rad (16) mit Elektroantrieb gelagert ist und an dem der Führungs­bolzen (22) und der Führungsschuh (28) befestigt sind.7. Switch according to one of claims 1 to 6, characterized in that the electric transport vehicle has a front turntable (12) on which a wheel (16) is mounted with an electric drive and on which the guide pin (22) and the guide shoe (28) are attached.
EP88117141A 1987-10-30 1988-10-14 Switch for a land carriage system Expired - Lifetime EP0313940B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88117141T ATE76456T1 (en) 1987-10-30 1988-10-14 SWITCH FOR A GROUND TRANSPORTER SYSTEM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3736886 1987-10-30
DE3736886A DE3736886C1 (en) 1987-10-30 1987-10-30 Switch for a floor transporter system

Publications (3)

Publication Number Publication Date
EP0313940A2 true EP0313940A2 (en) 1989-05-03
EP0313940A3 EP0313940A3 (en) 1989-08-09
EP0313940B1 EP0313940B1 (en) 1992-05-20

Family

ID=6339473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88117141A Expired - Lifetime EP0313940B1 (en) 1987-10-30 1988-10-14 Switch for a land carriage system

Country Status (8)

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US (1) US4924776A (en)
EP (1) EP0313940B1 (en)
JP (1) JPH01159709A (en)
AT (1) ATE76456T1 (en)
CA (1) CA1308184C (en)
DD (1) DD283433A5 (en)
DE (2) DE3736886C1 (en)
ES (1) ES2032923T3 (en)

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DE3841092A1 (en) * 1988-12-07 1990-06-21 Gegege Gmbh Grundstuecks Und B Generalised combination vehicle (rail/road), magnetic or mechanial side rails and guide rails, magnetic drives, high-speed switches and generalised transport routes (rail/road)
DE3918296A1 (en) * 1989-06-05 1990-12-06 Hans E Vogt Automatic track following system for vehicles - has single track followed by roller held in contact by magnetic force
EP0436137A2 (en) * 1990-01-03 1991-07-10 Georg Uttscheid Switch control for a self propelled floor transportation vehicle
DE19955042C2 (en) * 1999-11-16 2002-04-25 Rosenheimer Foerderanlage Ground transporter system with non-contact inductive energy transfer
WO2021082349A1 (en) * 2019-10-31 2021-05-06 江苏飞梭智行设备有限公司 Anti-derailment rail and rail transport system

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FR2662450B1 (en) * 1990-05-23 1992-09-11 Cogifer SWITCHING FOR ROUTES OF GUIDE.
FR2672316B1 (en) * 1991-02-05 1993-05-28 Cogifer Cie Cle Installat Ferr TRACK APPARATUS FOR RAIL VEHICLES ON TIRES WITH MEDIAN GUIDING ROLLER AND METHOD FOR MANUFACTURING SAME.
JP2630558B2 (en) * 1992-07-30 1997-07-16 トーヨーカネツ株式会社 Switching device for sorting conveyor
JP2541348Y2 (en) * 1992-07-30 1997-07-16 トーヨーカネツ株式会社 Switching device for sorting conveyor
US5329857A (en) * 1992-12-22 1994-07-19 Modernfold, Inc. Track switch for suspended movable wall panels
DE4340860C2 (en) * 1993-12-01 1997-12-18 Schreck Mieves Gmbh Lining piece for arrangement between wing rails of a turnout and turnout
FR2761924B1 (en) * 1997-04-10 1999-06-25 Heidelberger Druckmasch Ag DEVICE FOR INSERTING PAPER STRIPS IN A ROTARY PRINTING MACHINE
DE10035070B4 (en) * 2000-07-17 2013-09-12 Cargocap Gmbh Branching device of track-guided transport units
DE10115919B4 (en) * 2001-03-30 2005-02-24 Koenig & Bauer Ag switch
DE20209174U1 (en) * 2002-06-12 2003-10-23 Wampfler Ag Switch arrangement for a ground transport system supplied with electrical energy by induction
JP6170691B2 (en) * 2013-02-27 2017-07-26 トーヨーカネツソリューションズ株式会社 Sorting conveyor branching device
JP6168924B2 (en) * 2013-09-03 2017-07-26 トーヨーカネツソリューションズ株式会社 Sorting conveyor switching device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841092A1 (en) * 1988-12-07 1990-06-21 Gegege Gmbh Grundstuecks Und B Generalised combination vehicle (rail/road), magnetic or mechanial side rails and guide rails, magnetic drives, high-speed switches and generalised transport routes (rail/road)
DE3918296A1 (en) * 1989-06-05 1990-12-06 Hans E Vogt Automatic track following system for vehicles - has single track followed by roller held in contact by magnetic force
EP0436137A2 (en) * 1990-01-03 1991-07-10 Georg Uttscheid Switch control for a self propelled floor transportation vehicle
EP0436137A3 (en) * 1990-01-03 1992-11-25 Georg Uttscheid Switch control for a self propelled floor transportation vehicle
DE19955042C2 (en) * 1999-11-16 2002-04-25 Rosenheimer Foerderanlage Ground transporter system with non-contact inductive energy transfer
WO2021082349A1 (en) * 2019-10-31 2021-05-06 江苏飞梭智行设备有限公司 Anti-derailment rail and rail transport system

Also Published As

Publication number Publication date
US4924776A (en) 1990-05-15
EP0313940A3 (en) 1989-08-09
EP0313940B1 (en) 1992-05-20
JPH01159709A (en) 1989-06-22
ATE76456T1 (en) 1992-06-15
CA1308184C (en) 1992-09-29
DD283433A5 (en) 1990-10-10
DE3871323D1 (en) 1992-06-25
DE3736886C1 (en) 1989-06-22
ES2032923T3 (en) 1993-03-01

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