EP0792823B1 - Transporting device - Google Patents

Transporting device Download PDF

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Publication number
EP0792823B1
EP0792823B1 EP97102936A EP97102936A EP0792823B1 EP 0792823 B1 EP0792823 B1 EP 0792823B1 EP 97102936 A EP97102936 A EP 97102936A EP 97102936 A EP97102936 A EP 97102936A EP 0792823 B1 EP0792823 B1 EP 0792823B1
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EP
European Patent Office
Prior art keywords
drive means
drivers
transport
driver
distance
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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EP97102936A
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German (de)
French (fr)
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EP0792823A1 (en
Inventor
Erwin Paul Josef Lehrieder
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Koenig and Bauer AG
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Koenig and Bauer AG
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Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP02024855A priority Critical patent/EP1298078A3/en
Publication of EP0792823A1 publication Critical patent/EP0792823A1/en
Application granted granted Critical
Publication of EP0792823B1 publication Critical patent/EP0792823B1/en
Anticipated expiration legal-status Critical
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00Other railway systems
    • B61B13/12Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems

Definitions

  • the invention relates to a conveyor device according to the The preamble of claims 1, 2 or 3.
  • EP 05 87 015 A1 describes a conveyor system a wagon running on a rail system. This The wagon has two pairs of wheels. Driven this car is driven by a rotating double chain, on which a friction bar connected to the car presses.
  • a disadvantage of this conveyor system is that the Slip clutch serving friction connection no constant between chain and carriage Has coefficient of friction. For example, by Penetrating oil or dirt becomes the coefficient of friction changed. It is therefore a function as an overload clutch not guaranteed guaranteed.
  • US 53 88 684 A discloses a trolley, its driver during the transport process form-fitting in recesses in the drive means intervenes. In case of overload, the driver is out of the Recesses in the drive means can be brought. A length of Driver is larger than the distance between two deflection wheels of the drive means.
  • the invention has for its object a To create conveyor.
  • Damage which could arise, for example, as a result of the trolley hitting an obstacle can advantageously be avoided by the conveyor device according to the invention.
  • This advantage is achieved by the drivers acting as a slip clutch.
  • the arrangement of two drivers enables a trouble-free transition from a first to a second drive means. This trouble-free transition can be achieved regardless of the direction of transport of the trolley, ie the trolley can be used forwards and backwards.
  • spring-loaded drivers in which the spring force acting on them can be adjusted, a force necessary for slipping through can be set.
  • the conveyor device according to the invention is in the Drawing shown and is closer below described.
  • a conveyor for transporting loads, especially from paper rolls, away from and to one Web-fed rotary printing press essentially exists from a trolley 1, guides 2, 3 and circumferential, recessed drive means 4, 6.
  • the trolley 1 is on its chassis 7, z. B. a U-profile 7, provided with four rollers 8, which are freely rotatably mounted on the respective journal 9.
  • a base side 11 of the upside-down U-profile 7 a base side 12 of an upside-down T-profile 13 is fastened.
  • a prism-shaped load bearing 16 is arranged on an upstanding leg 14 of this T-profile 13. This load carrier 16 extends, for example, in the transport direction T over the entire length of the transport carriage 1.
  • the guides 2, 3 are designed as U-profiles, which are arranged parallel and facing each other in the transport direction. These U-profiles 2, 3 are each fastened to a base plate 19 with a leg 17, 18 located at the bottom, while opposite legs 21, 22 are each provided with a cover plate 23, 24.
  • the cover plates 23, 24 are spaced apart from one another in such a way that a gap 26 with a width b26 extends in the transport direction T.
  • the leg 14 of the T-profile 13 runs in this gap 26.
  • the load receiver 16 protrudes beyond the cover plates 23, 24.
  • On the base plate 19, an upwardly open C-profile 27 is fastened in the center to the guides 2, 3 for guiding and supporting the drive means 4, 6.
  • the drive means 4, 6 runs in this C-profile 27.
  • a shaft 28 is rotatably supported in bearing blocks 29, 31.
  • the shaft 28 is driven by a geared motor 32 and has a torsionally rigid deflection wheel 33 aligned with the drive means 4, 6.
  • the first drive means 4 ends in a transition area by being guided back around the deflection wheel 33 under the base plate 19.
  • the second, further drive means 6 is then arranged at a distance from the deflection wheel 33 of the first drive means 4.
  • This drive means 6 is from below the Base plate 19 extending around a deflection wheel 34 in Direction of transport T diverted continuously.
  • At least one, in the present example two drivers 36, 37 is arranged on the chassis 7 of the transport carriage 1.
  • These drivers 36, 37 engage in a form-fitting manner in the respective drive means 4, 6, so that at least one of the two drivers engages in a drive form 4, 6 in the transition region between the two drive means 4, 6.
  • the drivers 36, 37 engage positively in recesses of the drive means 4, 6 during the "normal" transport process (ie during the movement of the transport carriage 1).
  • the drivers 36, 37 are movably mounted such that they can be disengaged from a range of motion of the drive means 4, 6, ie. B. to a standstill of the trolley 1.
  • this can be done by the force of the drive means 4, 6, for example in the event of an overload (impact of the transport carriage 1 on an obstacle).
  • the trolley 1 by means of controllable means, for. B. electric motors to decouple from the drive means 4, 6.
  • the drivers 36, 37 are by means of the z. B. remote-controlled electric motors disengaged from the drive means 4, 6.
  • the two drive means 4, 6 have, for example due to different levels of stress around z. B. +/- 10% different speeds v4, z. B. 0.2 m / s, v6, z. B. 0.22 m / s.
  • the drive means 4, 6 can as in the first three Embodiments shown from roller chains 38, 39 or as shown in the fourth example Toothed belts 41, 42 exist.
  • the Chassis 7 a first 43 and a second locking bolt 44 arranged.
  • These locking bolts 43, 44 are in a distance a1, e.g. B. 571 mm, in the transport direction T spaced that still during the second locking bolt 44 engages in the first roller chain 38, the first Locking bolt 43 already in the second roller chain 39 intervenes.
  • the locking bolts 43, 44 each in a vertical extending guide bush 46, 47 with respect to Chassis 7 of the transport carriage 1 can be moved stored.
  • the distance a1, e.g. B. 571 mm, the two locking bolts 43, 44 is greater than or equal to a distance a2, e.g. B. 400 mm, of axes of rotation of the deflection wheels 33, 34 and corresponds, for example, to a multiple of a division of the drive means 4, 6.
  • the locking bolts 43, 44 are on the roller chain 38, 39 facing end with a rounded tip 48 Mistake. Its second end has one as a stop against a constriction 49 of the guide bush 46, 47 acting collar 51. against this covenant 51 of the Latch pin 43, 44 presses a first end of one respective compression spring 52, 53 whose second end acts, for example, against an adjusting screw 54, 56.
  • This adjusting screw 54, 56 is perpendicular to Transport direction T adjustable, so that on the Locking bolt 43, 44 acting spring force is adjustable.
  • segments 57, 58 of a chain wheel instead of Locking bolts 43, 44 segments 57, 58 of a chain wheel used. These segments 57, 58 also grip form-fitting in the corresponding roller chains 38, 39 on. The spring force acting on these segments 57, 58 is adjustable. These segments 57, 58 can be vertical slidable to the transport direction T and in Transport direction T immovably mounted in guides his.
  • a third embodiment are cylindrical Pressure pieces 59, 61, the longitudinal axis of which extends transversely to the Transport direction T extends on the chassis 7 in Transport direction T is pivoted.
  • a respective pivot lever 62, 63 by means of a Articulation 64, 66 can be pivoted in the transport direction T. stored.
  • the pressure piece 59, 61 is attached.
  • This swivel lever 62, 63 is sprung by means of adjustable compression springs 67 clamped.
  • the two can be used as toothed belts trained carriers 36, 37 also coupled together be, i.e. it can be a single continuous carrier 73 may be provided.
  • This driver 73 can as in fifth exemplary embodiment as toothed belt element 73 be trained and is adjustable by means of Compression springs 74 with respect to the trolley 1 both in as well as perpendicular to the transport direction T. stored.
  • the length is l73 of Toothed belt element 73 larger than the distance a2 Axes of rotation of the deflection wheels 33, 34 (Fig. 6).
  • the drivers 68, 69 all around as sprocket 68, 69 or toothed belt wheel or Toothed belt band formed.
  • These rotating, revolving Carriers 68, 69 are each on the chassis 7 via a Slip clutch can be rotated through more than 360 ° and optionally connectable to the trolley 1 in a rotationally fixed manner.
  • the sprockets are during "normal" operation 68, 69 rotatably connected to the trolley 1.
  • d. H. to decouple each Sprocket 68, 69 required torque is by means of the adjustable slip clutch can be set (Fig. 7).
  • the transport carriage 1 is transported in the transport direction T. Both drivers 36, 37 preferably engage in the first drive means 4 at the same time. If the transport carriage 1 now reaches the transition area between the first 4 and second drive means 6, the leading driver 36 runs out of the first drive means 4. As a result of the further movement of the transport carriage 1, the first driver 36 is brought to a start-up area of the second drive means 6. If the driver 36 does not meet a tooth gap but a tooth or roller of the second drive means 6, the tooth or the roller pushes the driver 36 out of the movement space of the second drive means 6.
  • the transport carriage 1 Between the transport carriage 1 and the second drive means 6 a relative movement, since either the transport carriage 1 is transported at the transport speed v4 by means of the second driver 37 still engaging in the first drive means 4, or else it is already out of engagement. In this transition area, the transport carriage 1 has a transport speed that is different from the transport speed v6 of the second drive means 6. As a result of this relative movement between the transport carriage 1 and the second drive means 6, the first driver 36 is displaced to a tooth gap and engages in it by means of spring force. The first driver 36 engages in the second drive means 6 in a form-fitting manner and thus drives the transport carriage 1.
  • the Carriers 36, 37 against the spring force from the tooth gaps the corresponding drive means 4, 6 pushed out.
  • the drive means 4, 6 continues to rotate during the Transport carriage 1 stands.
  • the drivers 36, 37 act in this way also as a slip clutch that is largely independent of Coefficient of friction acts.

Description

Die Erfindung betrifft eine Fördervorrichtung gemäß dem Oberbegriff der Ansprüche 1, 2 oder 3.The invention relates to a conveyor device according to the The preamble of claims 1, 2 or 3.

Aus der DE 33 04 568 C2 ist eine Fördervorrichtung für den Transport von Lasten bekannt. Diese Fördervorrichtung besteht im wesentlichen aus einem auf einer Führungsbahn fahrenden Transportwagen und umlaufenden Ketten. An dem Transportwagen sind zwei in die Ketten eingreifende Kettenräder gelagert, die den Transportwagen gegen die Laufrichtung der Ketten antreiben. Diese Kettenräder sind zum störungsfreien Überlauf von einer ersten zu einer zweiten Kette in einem begrenzten Schwenkwinkel gefedert schwenkbar gelagert.DE 33 04 568 C2 describes a conveyor device for known the transport of loads. This Conveyor essentially consists of one a transport carriage traveling in a guideway and revolving chains. There are two in on the dolly the chain engaging sprockets mounted, the Transport trolley against the direction of the chains drive. These sprockets are for trouble free Overflow from a first to a second chain in can be pivoted with a limited swivel angle stored.

Nachteilig ist an dieser Fördervorrichtung, daß keine Sicherheitsvorrichtung gegen Schäden, die beim Auflaufen des Transportwagens gegen ein Hindernis entstehen können, vorgesehen ist.The disadvantage of this conveyor is that none Safety device against damage that occurs when accruing of the trolley against an obstacle can, is provided.

Die EP 05 87 015 A1 beschreibt eine Förderanlage mit einem auf einer Schienenanlage laufenden Wagen. Dieser Wagen weist zwei Paare von Laufrädern auf. Angetrieben wird dieser Wagen mittels einer umlaufenden Doppelkette, auf die eine mit dem Wagen verbundene Reibleiste drückt. EP 05 87 015 A1 describes a conveyor system a wagon running on a rail system. This The wagon has two pairs of wheels. Driven this car is driven by a rotating double chain, on which a friction bar connected to the car presses.

Nachteilig an dieser Förderanlage ist, daß die als Rutschkupplung dienende reibschlüssige Verbindung zwischen Kette und Wagen keine gleichbleibenden Reibkoeffizienten aufweist. Beispielsweise durch eindringendes öl oder Schmutz wird der Reibkoeffizient verändert. Somit ist eine Funktion als Überlastkupplung nicht sicher gewährleistet.A disadvantage of this conveyor system is that the Slip clutch serving friction connection no constant between chain and carriage Has coefficient of friction. For example, by Penetrating oil or dirt becomes the coefficient of friction changed. It is therefore a function as an overload clutch not guaranteed guaranteed.

Die US 53 88 684 A offenbart einen Transportwagen, dessen Mitnehmer während des Transportvorganges formschlüssig in Aussparungen des Antriebsmittels eingreift. Bei Überlast ist der Mitnehmer aus den Aussparungen der Antriebsmittel bringbar. Eine Länge des Mitnehmers ist größer als der Abstand zweier Umlenkräder des Antriebsmittels.US 53 88 684 A discloses a trolley, its driver during the transport process form-fitting in recesses in the drive means intervenes. In case of overload, the driver is out of the Recesses in the drive means can be brought. A length of Driver is larger than the distance between two deflection wheels of the drive means.

Der Erfindung liegt die Aufgabe zugrunde, eine Fördervorrichtung zu schaffen.The invention has for its object a To create conveyor.

Diese Aufgabe wird erfindungsgemäß durch eine Fördervorrichtung mit den Merkmalen des Ansprüchs 1 gelöst.This object is achieved by a Conveying device with the features of claim 1 solved.

In vorteilhafter Weise können durch die erfindungsgemäße Fördervorrichtung Schäden vermieden werden, die beispielsweise infolge Auflaufens des Transportwagens gegen ein Hindernis entstehen könnten. Dieser Vorteil wird durch die als Rutschkupplung wirkenden Mitnehmer erreicht.
Zudem ist es durch die Anordnung zweier Mitnehmer möglich, einen störungsfreien Übergang von einem ersten zu einem zweiten Antriebsmittel möglich. Dieser störungsfreie Übergang ist unabhängig von der Transportrichtung des Transportwagens erreichbar, d.h. der Transportwagen kann vorwärts und rückwärts verwendet werden.
Mittels gefederter Mitnehmer, bei denen die auf diese wirkende Federkraft einstellbar ist, kann eine zum Durchrutschen notwendige Kraft eingestellt werden.
Damage which could arise, for example, as a result of the trolley hitting an obstacle can advantageously be avoided by the conveyor device according to the invention. This advantage is achieved by the drivers acting as a slip clutch.
In addition, the arrangement of two drivers enables a trouble-free transition from a first to a second drive means. This trouble-free transition can be achieved regardless of the direction of transport of the trolley, ie the trolley can be used forwards and backwards.
By means of spring-loaded drivers, in which the spring force acting on them can be adjusted, a force necessary for slipping through can be set.

Vorteilhaft ist weiterhin einen Abstand der beiden Mitnehmer entsprechend einer Teilung der Antriebsmittel festzulegen, da dann beide Mitnehmer zur Kraftübertragung dienen und die Belastung eines einzelnen Mitnehmers reduziert wird.
Insbesondere bei Verwendung von Zahnriemen als Antriebsmittel ist es vorteilhaft, die Mitnehmer als ein mit mehreren Zähnen versehenes Stück eines Zahnriemens auszubilden, da dadurch eine Belastung der einzelnen Zähne reduziert wird.
It is also advantageous to define a distance between the two drivers according to a division of the drive means, since then both drivers are used for power transmission and the load on an individual driver is reduced.
In particular when using toothed belts as drive means, it is advantageous to design the drivers as a piece of toothed belt provided with a plurality of teeth, since this reduces stress on the individual teeth.

Die erfindungsgemäße Fördervorrichtung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.The conveyor device according to the invention is in the Drawing shown and is closer below described.

Es zeigen

Fig. 1
eine schematische Ansicht in Transportrichtung T der Fördervorrichtung;
Fig. 2
eine schematische Seitenansicht eines ersten Ausführungsbeispiels der Fördervorrichtung;
Fig. 3
eine schematische Seitenansicht eines zweiten Ausführungsbeispiels der Fördervorrichtung;
Fig. 4
eine schematische Seitenansicht eines dritten Ausführungsbeispiels der Fördervorrichtung;
Fig. 5
eine schematische Seitenansicht eines vierten Ausführungsbeispiels der Fördervorrichtung;
Fig. 6
eine schematische Seitenansicht eines nicht erfindungsgemäßen Beispiels der Fördervorrichtung;
Fig. 7
eine schematische Seitenansicht eines nicht erfindungsgemäßen Beispiels der Fördervorrichtung.
Show it
Fig. 1
a schematic view in the transport direction T of the conveyor;
Fig. 2
is a schematic side view of a first embodiment of the conveyor;
Fig. 3
is a schematic side view of a second embodiment of the conveyor;
Fig. 4
is a schematic side view of a third embodiment of the conveyor;
Fig. 5
is a schematic side view of a fourth embodiment of the conveyor;
Fig. 6
is a schematic side view of an example of the conveyor device not according to the invention;
Fig. 7
is a schematic side view of an example of the conveyor device not according to the invention.

Eine Fördervorrichtung zum Transport von Lasten, insbesondere von Papierrollen, weg von und zu einer Rollenrotationsdruckmaschine, besteht im wesentlichen aus einem Transportwagen 1, Führungen 2, 3 und umlaufenden, mit Aussparungen versehenen Antriebsmitteln 4, 6.A conveyor for transporting loads, especially from paper rolls, away from and to one Web-fed rotary printing press essentially exists from a trolley 1, guides 2, 3 and circumferential, recessed drive means 4, 6.

Der Transportwagen 1 ist an seinem Fahrgestell 7, z. B. einem U-Profil 7, mit vier Laufrollen 8 versehen, die auf jeweils zugehörigen Lagerzapfen 9 frei drehbar gelagert sind.
Auf einer Basisseite 11 des auf dem Kopf stehenden U-Profils 7 ist eine Basisseite 12 eines ebenfalls auf dem Kopf stehenden T-Profils 13 befestigt. An einem nach oben stehenden Schenkel 14 dieses T-Profils 13 ist eine prismenförmige Lastaufnahme 16 angeordnet. Diese Lastaufnahme 16 erstreckt sich beispielsweise in Transportrichtung T über die gesamte Länge des Transportwagens 1.
The trolley 1 is on its chassis 7, z. B. a U-profile 7, provided with four rollers 8, which are freely rotatably mounted on the respective journal 9.
On a base side 11 of the upside-down U-profile 7, a base side 12 of an upside-down T-profile 13 is fastened. A prism-shaped load bearing 16 is arranged on an upstanding leg 14 of this T-profile 13. This load carrier 16 extends, for example, in the transport direction T over the entire length of the transport carriage 1.

Die Führungen 2, 3 sind als U-Profile ausgebildet, die in Transportrichtung parallel, einander zugewandt verlaufend angeordnet sind. Diese U-Profile 2, 3 sind jeweils mit einem unten liegenden Schenkel 17, 18 auf einer Grundplatte 19 befestigt, während gegenüberliegende Schenkel 21, 22 mit jeweils einer Abdeckplatte 23, 24 versehen sind. Die Abdeckplatten 23, 24 sind derart zueinander beabstandet, daß sich ein in Transportrichtung T verlaufender Spalt 26 mit einer Breite b26 ergibt. In diesem Spalt 26 verläuft der Schenkel 14 des T-Profils 13. über die Abdeckplatten 23, 24 ragt die Lastaufnahme 16 heraus.
Auf der Grundplatte 19 ist mittig zu den Führungen 2, 3 zur Führung und Abstützung des Antriebsmittels 4, 6 ein nach oben offenes C-Profil 27 befestigt. In diesem C-Profil 27 läuft das Antriebsmittel 4, 6.
The guides 2, 3 are designed as U-profiles, which are arranged parallel and facing each other in the transport direction. These U-profiles 2, 3 are each fastened to a base plate 19 with a leg 17, 18 located at the bottom, while opposite legs 21, 22 are each provided with a cover plate 23, 24. The cover plates 23, 24 are spaced apart from one another in such a way that a gap 26 with a width b26 extends in the transport direction T. The leg 14 of the T-profile 13 runs in this gap 26. The load receiver 16 protrudes beyond the cover plates 23, 24.
On the base plate 19, an upwardly open C-profile 27 is fastened in the center to the guides 2, 3 for guiding and supporting the drive means 4, 6. The drive means 4, 6 runs in this C-profile 27.

Unterhalb der Grundplatte 19 ist eine Welle 28 drehbar in Lagerböcken 29, 31 gelagert. Die Welle 28 wird von einem Getriebemotor 32 angetrieben und weist ein drehsteifes, mit dem Antriebsmittel 4, 6 fluchtendes Umlenkrad 33 auf.
In einem übergangsbereich endet das erste Antriebsmittel 4, indem es um das Umlenkrad 33 unter die Grundplatte 19 zurückgeführt wird. In einem Abstand zu dem Umlenkrad 33 des ersten Antriebsmittels 4 ist dann das zweite, weiterführende Antriebsmittel 6 angeordnet.
Below the base plate 19, a shaft 28 is rotatably supported in bearing blocks 29, 31. The shaft 28 is driven by a geared motor 32 and has a torsionally rigid deflection wheel 33 aligned with the drive means 4, 6.
The first drive means 4 ends in a transition area by being guided back around the deflection wheel 33 under the base plate 19. The second, further drive means 6 is then arranged at a distance from the deflection wheel 33 of the first drive means 4.

Dieses Antriebsmittel 6 wird von unterhalb der Grundplatte 19 verlaufend um ein Umlenkrad 34 in Transportrichtung T verlaufend umgelenkt.This drive means 6 is from below the Base plate 19 extending around a deflection wheel 34 in Direction of transport T diverted continuously.

An dem Fahrgestell 7 des Transportwagens 1 ist mindestens ein, im vorliegenden Beispiel zwei Mitnehmer 36, 37 angeordnet. Diese Mitnehmer 36, 37 greifen formschlüssig derart in das jeweilige Antriebsmittel 4, 6 ein, so daß im übergangsbereich zwischen den beiden Antriebsmitteln 4, 6 zumindest einer der beiden Mitnehmer formschlüssig in ein Antriebsmittel 4, 6 eingreift.
Die Mitnehmer 36, 37 greifen während des "normalen" Transportvorganges (d. h. während der Bewegung des Transportwagens 1) formschlüssig in Aussparungen der Antriebsmittel 4, 6 ein. Abweichend vom "normalen" Transportvorgang sind die Mitnehmer 36, 37 derart bewegbar gelagert, daß sie aus einem Bewegungsraum des Antriebsmittels 4, 6, d. h. außer Eingriff bringbar sind, z. B. zum Stillstand des Transportwagens 1.
Dies kann, wie in den Ausführungsbeispielen, durch Krafteinwirkung der Antriebsmittel 4, 6 geschehen, beispielsweise bei überlast (Auflaufen des Transportwagens 1 auf ein Hindernis). Es ist aber auch möglich, den Transportwagen 1 mittels steuerbaren Mitteln, z. B. Elektromotoren, von den Antriebsmitteln 4, 6 zu entkoppeln. Die Mitnehmer 36, 37 werden mittels der z. B. fernsteuerbaren Elektromotoren außer Eingriff von den Antriebsmitteln 4, 6 gebracht.
At least one, in the present example two drivers 36, 37 is arranged on the chassis 7 of the transport carriage 1. These drivers 36, 37 engage in a form-fitting manner in the respective drive means 4, 6, so that at least one of the two drivers engages in a drive form 4, 6 in the transition region between the two drive means 4, 6.
The drivers 36, 37 engage positively in recesses of the drive means 4, 6 during the "normal" transport process (ie during the movement of the transport carriage 1). Deviating from the "normal" transport process, the drivers 36, 37 are movably mounted such that they can be disengaged from a range of motion of the drive means 4, 6, ie. B. to a standstill of the trolley 1.
As in the exemplary embodiments, this can be done by the force of the drive means 4, 6, for example in the event of an overload (impact of the transport carriage 1 on an obstacle). But it is also possible to use the trolley 1 by means of controllable means, for. B. electric motors to decouple from the drive means 4, 6. The drivers 36, 37 are by means of the z. B. remote-controlled electric motors disengaged from the drive means 4, 6.

Die beiden Antriebsmittel 4, 6 weisen beispielsweise infolge unterschiedlich hoher Belastung um z. B. +/- 10% verschieden große Transportgeschwindigkeiten v4, z. B. 0,2 m/s, v6, z. B. 0,22 m/s auf.The two drive means 4, 6 have, for example due to different levels of stress around z. B. +/- 10% different speeds v4, z. B. 0.2 m / s, v6, z. B. 0.22 m / s.

Die Antriebsmittel 4, 6 können wie in den ersten drei Ausführungsbeispielen dargestellt aus Rollenketten 38, 39 oder wie im vierten Beispielen dargestellt aus Zahnriemen 41, 42 bestehen.The drive means 4, 6 can as in the first three Embodiments shown from roller chains 38, 39 or as shown in the fourth example Toothed belts 41, 42 exist.

In einem ersten Ausführungsbeispiel sind an dem Fahrgestell 7 ein erster 43 und ein zweiter Rastbolzen 44 angeordnet. Diese Rastbolzen 43, 44 sind derart in einem Abstand a1, z. B. 571 mm, in Transportrichtung T beabstandet, daß während der zweite Rastbolzen 44 noch in die erste Rollenkette 38 eingreift, der erste Rastbolzen 43 bereits in die zweite Rollenkette 39 eingreift. Um eine eventuell bestehende Differenz eines Abstandes zweier Zahnlücken der jeweiligen Rollenkette 37, 38 zu dem Abstand a1 der Rastbolzen 43, 44 ausgleichen zu können, sind beide Rastbolzen 43, 44 derart gefedert angeordnet, so daß zumindest einer der beiden Rastbolzen 43, 44 eine Bewegung annähernd senkrecht zur Transportrichtung T ausführen kann. Dazu sind die Rastbolzen 43, 44 jeweils in einer senkrecht verlaufenden Führungsbuchse 46, 47 bezüglich des Fahrgestells 7 des Transportwagens 1 verschiebbar gelagert. In a first embodiment, the Chassis 7 a first 43 and a second locking bolt 44 arranged. These locking bolts 43, 44 are in a distance a1, e.g. B. 571 mm, in the transport direction T spaced that still during the second locking bolt 44 engages in the first roller chain 38, the first Locking bolt 43 already in the second roller chain 39 intervenes. A possible difference of one Distance between two tooth gaps of the respective roller chain 37, 38 to the distance a1 of the locking bolts 43, 44 to be able to compensate, both locking bolts 43, 44th arranged so sprung that at least one of the two locking bolts 43, 44 approximately a movement can execute perpendicular to the transport direction T. To are the locking bolts 43, 44 each in a vertical extending guide bush 46, 47 with respect to Chassis 7 of the transport carriage 1 can be moved stored.

Der Abstand a1, z. B. 571 mm, der beiden Rastbolzen 43, 44 ist größer oder gleich einem Abstand a2, z. B. 400 mm, von Drehachsen der Umlenkräder 33, 34 und entspricht beispielsweise einem Vielfachen einer Teilung des Antriebsmittels 4, 6.The distance a1, e.g. B. 571 mm, the two locking bolts 43, 44 is greater than or equal to a distance a2, e.g. B. 400 mm, of axes of rotation of the deflection wheels 33, 34 and corresponds, for example, to a multiple of a division of the drive means 4, 6.

Die Rastbolzen 43, 44 sind an ihrem der Rollenkette 38, 39 zugewandten Ende mit einer gerundeten Kuppe 48 versehen. Ihr zweites Ende weist einen als Anschlag gegen eine Verengung 49 der Führungsbuchse 46, 47 wirkenden Bund 51 auf. Gegen diesen Bund 51 des Rastbolzens 43, 44 drückt ein erstes Ende einer jeweiligen Druckfeder 52, 53 deren zweites Ende beispielsweise gegen eine Einstellschraube 54, 56 wirkt. Diese Einstellschraube 54, 56 ist senkrecht zur Transportrichtung T verstellbar, so daß die auf den Rastbolzen 43, 44 wirkende Federkraft einstellbar ist.The locking bolts 43, 44 are on the roller chain 38, 39 facing end with a rounded tip 48 Mistake. Its second end has one as a stop against a constriction 49 of the guide bush 46, 47 acting collar 51. Against this covenant 51 of the Latch pin 43, 44 presses a first end of one respective compression spring 52, 53 whose second end acts, for example, against an adjusting screw 54, 56. This adjusting screw 54, 56 is perpendicular to Transport direction T adjustable, so that on the Locking bolt 43, 44 acting spring force is adjustable.

In einem zweiten Ausführungsbeispiel werden anstelle der Rastbolzen 43, 44 Segmente 57, 58 eines Kettenrades verwendet. Auch diese Segmente 57, 58 greifen formschlüssig in die entsprechenden Rollenketten 38, 39 ein. Die auf diese Segmente 57, 58 wirkende Federkraft ist einstellbar. Diese Segmente 57, 58 können senkrecht zur Transportrichtung T verschiebbar und in Transportrichtung T unbeweglich in Führungen gelagert sein.In a second embodiment, instead of Locking bolts 43, 44 segments 57, 58 of a chain wheel used. These segments 57, 58 also grip form-fitting in the corresponding roller chains 38, 39 on. The spring force acting on these segments 57, 58 is adjustable. These segments 57, 58 can be vertical slidable to the transport direction T and in Transport direction T immovably mounted in guides his.

In einem dritten Ausführungsbeispiel sind zylinderartige Druckstücke 59, 61, deren Längsachse sich quer zur Transportrichtung T erstreckt, am Fahrgestell 7 in Transportrichtung T schwenkbar gelagert. Dazu ist ein Ende eines jeweiligen Schwenkhebels 62, 63 mittels eines Gelenkes 64, 66 in Transportrichtung T schwenkbar gelagert. An einem zweiten Ende des Schwenkhebels 62, 63 ist das Druckstück 59, 61 befestigt. Dieser Schwenkhebel 62, 63 ist mittels einstellbarer Druckfedern 67 gefedert eingespannt.In a third embodiment are cylindrical Pressure pieces 59, 61, the longitudinal axis of which extends transversely to the Transport direction T extends on the chassis 7 in Transport direction T is pivoted. There is a End of a respective pivot lever 62, 63 by means of a Articulation 64, 66 can be pivoted in the transport direction T. stored. At a second end of the pivot lever 62, 63 the pressure piece 59, 61 is attached. This swivel lever 62, 63 is sprung by means of adjustable compression springs 67 clamped.

Anstelle der Rastbolzen 43, 44 des ersten Beispiels oder der Segmente 57, 58 der Kettenräder können auch zahnstangenartige, ebene Teile verwendet werden. Sind wie in einem vierten Ausführungsbeispiel Zahnriemen 41, 42 mit Doppelverzahnung als Antriebsmittel 4, 6 vorgesehen, können auch ebene Teile 71, 72 eines Zahnriemens als Mitnehmer 36, 37 angeordnet sein (Fig. 5).Instead of the locking bolts 43, 44 of the first example or the segments 57, 58 of the sprockets can also rack-like, flat parts are used. Are toothed belts as in a fourth embodiment 41, 42 with double toothing as drive means 4, 6 provided, flat parts 71, 72 of a Toothed belt can be arranged as a driver 36, 37 (Fig. 5).

Hierbei können die beiden einzelnen als Zahnriemen ausgebildete Mitnehmer 36, 37 auch miteinander gekoppelt sein, d.h. es kann ein einziger durchgehender Mitnehmer 73 vorgesehen sein. Dieser Mitnehmer 73 kann wie im fünften Ausführungsbeispiel als Zahnriemenelement 73 ausgebildet sein und ist mittels einstellbarer Druckfedern 74 bezüglich des Transportwagens 1 sowohl in als auch senkrecht zur Transportrichtung T verschiebbar gelagert. Im vorliegenden Beispiel ist die Länge l73 des Zahnriemenelementes 73 größer als der Abstand a2 der Drehachsen der Umlenkräder 33, 34 (Fig. 6).The two can be used as toothed belts trained carriers 36, 37 also coupled together be, i.e. it can be a single continuous carrier 73 may be provided. This driver 73 can as in fifth exemplary embodiment as toothed belt element 73 be trained and is adjustable by means of Compression springs 74 with respect to the trolley 1 both in as well as perpendicular to the transport direction T. stored. In the present example, the length is l73 of Toothed belt element 73 larger than the distance a2 Axes of rotation of the deflection wheels 33, 34 (Fig. 6).

In einem nicht erfindungsgemäßen Beispiel sind die Mitnehmer 68, 69 umlaufend als Kettenrad 68, 69 bzw. Zahnriemenrad oder Zahnriemenband ausgebildet. Diese drehbaren, umlaufenden Mitnehmer 68, 69 sind jeweils am Fahrgestell 7 über eine Rutschkupplung um mehr als 360° drehbar gelagert und wahlweise drehfest mit dem Transportwagen 1 verbindbar. Während des "normalen" Betriebes sind die Kettenräder 68, 69 drehfest mit dem Transportwagen 1 verbunden. Ein bei überlast (z. B. bei Auflaufen gegen ein Hindernis) zur Drehung, d. h. zum Entkoppeln des jeweiligen Kettenrades 68, 69 erforderliches Drehmoment ist mittels der einstellbaren Rutschkupplung festlegbar (Fig. 7). Es ist aber auch möglich, die umlaufenden Mitnehmer 68, 69 vom/an den Transportwagen 1 mittels steuerbaren Mitteln, z. B. Elektromotoren, zu koppeln bzw. zu entkoppeln. Dadurch bleibt der Transportwagen 1 auch bei umlaufenden Ketten stehen. Dies ist vorteilhaft, wenn mit einem Antriebsmittel 4, 6 mehrere Transportwagen transportiert werden.In an example not according to the invention, the drivers 68, 69 all around as sprocket 68, 69 or toothed belt wheel or Toothed belt band formed. These rotating, revolving Carriers 68, 69 are each on the chassis 7 via a Slip clutch can be rotated through more than 360 ° and optionally connectable to the trolley 1 in a rotationally fixed manner. The sprockets are during "normal" operation 68, 69 rotatably connected to the trolley 1. On in the event of an overload (e.g. when bumping into an obstacle) for rotation, d. H. to decouple each Sprocket 68, 69 required torque is by means of the adjustable slip clutch can be set (Fig. 7). It is also possible, the rotating driver 68, 69th from / to the trolley 1 by means of controllable means, z. B. electric motors to couple or decouple. As a result, the trolley 1 remains even when rotating Chains stand. This is advantageous when using a Drive means 4, 6 transported several transport cars become.

Die Funktionsweise der erfindungsgemäßen Fördervorrichtung, z. B. des ersten Ausführungsbeispiels, ist folgendermaßen:The operation of the invention Conveyor device, e.g. B. the first Embodiment is as follows:

Der Transportwagen 1 wird in Transportrichtung T transportiert. Dabei greifen vorzugsweise beide Mitnehmer 36, 37 gleichzeitig in das erste Antriebsmittel 4 ein. Gelangt nun der Transportwagen 1 in den übergangsbereich zwischen dem ersten 4 und zweiten Antriebsmittel 6 läuft der vorlaufende Mitnehmer 36 aus dem ersten Antriebsmittel 4 heraus. Infolge der weiteren Fortbewegung des Transportwagens 1 wird der erste Mitnehmer 36 zu einem Anlaufbereich des zweiten Antriebsmittels 6 gebracht. Trifft nun der Mitnehmer 36 nicht auf eine Zahnlücke sondern auf einen Zahn bzw. Rolle des zweiten Antriebsmittels 6, so drückt der Zahn bzw. die Rolle den Mitnehmer 36 aus dem Bewegungsraum des zweiten Antriebsmittels 6. Zwischen dem Transportwagen 1 und dem zweiten Antriebsmittel 6 erfolgt eine Relativbewegung, da entweder der Transportwagen 1 mittels des zweiten noch in das erste Antriebsmittel 4 eingreifenden Mitnehmers 37 mit der Transportgeschwindigkeit v4 transportiert wird oder aber dieser bereits außer Eingriff ist. Der Transportwagen 1 weist in diesem übergangsbereich eine von der Transportgeschwindigkeit v6 des zweiten Antriebsmittels 6 verschiedene Transportgeschwindigkeit auf.
Durch diese Relativbewegung zwischen dem Transportwagen 1 und dem zweiten Antriebsmittel 6 wird der erste Mitnehmer 36 zu einer Zahnlücke verschoben und rastet mittels Federkraft in diese ein. Der erste Mitnehmer 36 greift in das zweite Antriebsmittel 6 formschlüssig ein und treibt so den Transportwagen 1 an.
The transport carriage 1 is transported in the transport direction T. Both drivers 36, 37 preferably engage in the first drive means 4 at the same time. If the transport carriage 1 now reaches the transition area between the first 4 and second drive means 6, the leading driver 36 runs out of the first drive means 4. As a result of the further movement of the transport carriage 1, the first driver 36 is brought to a start-up area of the second drive means 6. If the driver 36 does not meet a tooth gap but a tooth or roller of the second drive means 6, the tooth or the roller pushes the driver 36 out of the movement space of the second drive means 6. Between the transport carriage 1 and the second drive means 6 a relative movement, since either the transport carriage 1 is transported at the transport speed v4 by means of the second driver 37 still engaging in the first drive means 4, or else it is already out of engagement. In this transition area, the transport carriage 1 has a transport speed that is different from the transport speed v6 of the second drive means 6.
As a result of this relative movement between the transport carriage 1 and the second drive means 6, the first driver 36 is displaced to a tooth gap and engages in it by means of spring force. The first driver 36 engages in the second drive means 6 in a form-fitting manner and thus drives the transport carriage 1.

Wird die Bewegung des Transportwagens 1 beispielsweise infolge eines Hindernisses blockiert, werden die Mitnehmer 36, 37 gegen die Federkraft aus den Zahnlücken der entsprechenden Antriebsmittel 4, 6 herausgedrückt. Das Antriebsmittel 4, 6 dreht weiter, während der Transportwagen 1 steht. Die Mitnehmer 36, 37 wirken so auch als Rutschkupplung, die weitgehend unabhängig von Reibkoeffizienten wirkt. For example, the movement of the trolley 1 blocked due to an obstacle, the Carriers 36, 37 against the spring force from the tooth gaps the corresponding drive means 4, 6 pushed out. The drive means 4, 6 continues to rotate during the Transport carriage 1 stands. The drivers 36, 37 act in this way also as a slip clutch that is largely independent of Coefficient of friction acts.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
TransportwagenDolly
22
Führung, C-ProfilLeadership, C-profile
33
Führung, C-ProfilLeadership, C-profile
44
Antriebsmitteldrive means
55
--
66
Antriebsmitteldrive means
77
Fahrgestell, U-Profil (1)Chassis, U-profile (1)
88th
Laufrollecaster
99
Lagerzapfenpivot
1010
--
1111
Basisseite (7)Base side (7)
1212
Basisseite (13)Base side (13)
1313
T-ProfilT profile
1414
Schenkelleg
1515
--
1616
Lastaufnahme (1)Load bearing (1)
1717
Schenkel (2)Thigh (2)
1818
Schenkel (3)Thigh (3)
1919
Grundplattebaseplate
2020
--
2121
Schenkel (2)Thigh (2)
2222
Schenkel (3)Thigh (3)
2323
Abdeckplattecover
2424
Abdeckplattecover
2525
--
2626
Spalt (22, 23)Gap (22, 23)
2727
C-Profil C-section
2828
Wellewave
2929
Lagerbockbearing block
3030
--
3131
Lagerbockbearing block
3232
Getriebemotorgearmotor
3333
Umlenkradguide wheel
3434
Umlenkradguide wheel
3535
--
3636
Mitnehmer, ersterCarrier, first
3737
Mitnehmer, zweiterCarrier, second
3838
Rollenketteroller chain
3939
Rollenketteroller chain
4040
--
4141
Zahnriementoothed belt
4242
Zahnriementoothed belt
4343
RastbolzenIndexing plungers
4444
RastbolzenIndexing plungers
4545
--
4646
Führungsbuchseguide bush
4747
Führungsbuchseguide bush
4848
Kuppe (43; 44)Hilltop (43; 44)
4949
Verengung (46; 47)Narrowing (46; 47)
5050
--
5151
Bund (43; 44)Federal government (43; 44)
5252
Druckfedercompression spring
5353
Druckfedercompression spring
5454
Einstellschraubeadjustment
5555
--
5656
Einstellschraube adjustment
5757
Segmentsegment
5858
Segmentsegment
5959
DruckstückPressure piece
6060
--
6161
DruckstückPressure piece
6262
Schwenkhebelpivoting lever
6363
Schwenkhebelpivoting lever
6464
Gelenkjoint
6565
--
6666
Gelenkjoint
6767
Druckfedercompression spring
6868
Kettenrad, MitnehmerSprocket, carrier
6969
Kettenrad, MitnehmerSprocket, carrier
7070
--
7171
Teilpart
7272
Teilpart
7373
Zahnriemenelement, MitnehmerTiming belt element, driver
7474
Druckfedercompression spring
a1a1
Abstand der Rastbolzen (43; 44)Distance between the locking bolts (43; 44)
a2a2
Abstand der Antriebsräder (33; 34)Distance of the drive wheels (33; 34)
b24b24
Breite des Spaltes (24)Gap width (24)
l73l73
Länge des Zahnriemenelementes (73)Length of the toothed belt element (73)
TT
Transportrichtungtransport direction

Claims (5)

  1. Transport device for transporting loads, substantially comprising a transport carriage (1) provided with running rollers (8), guides (2, 3) accommodating the running rollers (8) and circulating drive means (4; 6; 38; 39; 41; 42), wherein during the "normal" transport operation there is arranged on the transport carriage (1) at least one driver (36; 37; 43; 44; 57; 58; 59; 61; 73) which engages with a form fit in recesses of the drive means (4; 6; 38; 39; 41; 42), wherein, in the event of an overload, the driver (36; 37; 43; 44; 57; 58; 59; 61; 73) is arranged such that it can be brought out of the recesses of the drive means (4; 6; 38; 39; 41; 42) in order to stop the transport carriage (1), characterized in that two drivers (36; 37; 43; 44; 57; 58; 59; 61) and at least two drive means (4; 6; 38; 39; 41; 42) are provided, in that the two drivers (36; 37; 43; 44; 57; 58; 59; 61) are spaced apart in the transport direction T at a distance (a1) and the deflection wheels (33; 34) of the drive means (4; 6; 38; 39; 41; 42) are spaced apart at a distance (a2), and in that the distance (a1) between the two drivers (36; 37; 43; 44; 57; 58; 59; 61) is greater than the distance (a2) between the two deflection wheels (33; 34).
  2. Transport device according to Claim 1, characterized in that the driver or drivers (36; 37; 43; 44; 57; 58; 59; 61; 73) is/are arranged to be sprung against the drive means (4; 6; 38; 39; 41; 42).
  3. Transport device according to Claim 1, characterized in that the driver or drivers (36; 37; 43; 44; 57; 58; 59; 61; 73) and drive means (4; 6; 33; 34; 38; 39; 41; 42) are arranged to interact in such a way that the driver or drivers (36; 37; 43; 44; 57; 58; 59; 61; 73) can be brought out of engagement by a drive means (4; 6; 33; 34; 38; 39; 41; 42).
  4. Transport device according to Claim 1, characterized in that the distance (a1) between the two drivers (36; 37; 43; 44; 57; 58; 59; 61) corresponds to a multiple of a division of the drive means (4; 6; 38; 39; 41; 42).
  5. Transport device according to Claim 1, characterized in that the driver or drivers (36; 37; 43; 44; 57; 58) is/are mounted such that it/they can be displaced approximately at right angles to the transport direction T.
EP97102936A 1996-03-02 1997-02-22 Transporting device Expired - Lifetime EP0792823B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02024855A EP1298078A3 (en) 1996-03-02 1997-02-22 Conveyor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19608133 1996-03-02
DE19608133A DE19608133C2 (en) 1996-03-02 1996-03-02 conveyor

Related Child Applications (1)

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EP02024855A Division EP1298078A3 (en) 1996-03-02 1997-02-22 Conveyor

Publications (2)

Publication Number Publication Date
EP0792823A1 EP0792823A1 (en) 1997-09-03
EP0792823B1 true EP0792823B1 (en) 2003-05-07

Family

ID=7787072

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EP02024855A Withdrawn EP1298078A3 (en) 1996-03-02 1997-02-22 Conveyor

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US (1) US6070534A (en)
EP (2) EP0792823B1 (en)
JP (1) JP3140390B2 (en)
DE (2) DE19608133C2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2390205A1 (en) 2010-05-28 2011-11-30 Güdel Automation Gmbh Guide unit

Also Published As

Publication number Publication date
JPH09323812A (en) 1997-12-16
US6070534A (en) 2000-06-06
JP3140390B2 (en) 2001-03-05
EP1298078A3 (en) 2003-04-09
EP1298078A2 (en) 2003-04-02
EP0792823A1 (en) 1997-09-03
DE19608133A1 (en) 1997-09-04
DE19608133C2 (en) 2002-07-11
DE59710000D1 (en) 2003-06-12

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