EP1464610B1 - Device for supplying a rail-bounded consumer with energy through a supply line - Google Patents
Device for supplying a rail-bounded consumer with energy through a supply line Download PDFInfo
- Publication number
- EP1464610B1 EP1464610B1 EP04007377A EP04007377A EP1464610B1 EP 1464610 B1 EP1464610 B1 EP 1464610B1 EP 04007377 A EP04007377 A EP 04007377A EP 04007377 A EP04007377 A EP 04007377A EP 1464610 B1 EP1464610 B1 EP 1464610B1
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- Prior art keywords
- supply line
- winding drum
- arrangement according
- brake
- drive motor
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- 238000004804 winding Methods 0.000 claims abstract description 58
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
Definitions
- the invention relates to a device for supplying a rail-bound portable consumer, in particular a bridge or gantry crane, with a leading from a fixed connection point to the consumer supply line and with a supply line in response to the movement of the consumer relative to the connection up or unwinding winding drum , which is connected for applying a tensile force on the supply line with a drive motor and with a brake.
- Devices of this type are used in rail-bound consumers, such as bridge or gantry cranes to track a unilaterally fixed to a fixed connection point supply line for energy or media according to the travel of the portable consumer this, the supply line depending on the direction of travel of the consumer on the winding drum - Is unwound from the winding drum.
- the winding drum can either be assigned to the consumer, ie arranged on this, so that the supply line during unwinding is preferably placed in a cable channel, or assigned to the fixed connection point and stored there. In the case of a bridge crane, the winding drum is often in the direction of travel laterally on the movable Crane part.
- supply lines in the sense of the present invention are not only, albeit mostly, the power cables for feeding the consumer, but for example, optical fibers, hydraulic or pneumatic hose lines, as well as ropes can be tracked in the same way tracked the portable device and to compensate for the travel of the portable device on winding drums aufrymoi be handled by them.
- the supply lines are constantly under tensile force, but the drive units of the winding drum must be designed so that the constant train is maintained while winding and unwinding the supply lines, but the tension is not too high, because the cables or lines with only one certain tensile stress can be loaded.
- the DE 39 21 679 C2 describes, in addition to an existing electric motor brake, a mechanical brake, which detects the winding drum or the associated drive in case of failure of the supply energy.
- this solution does not take into account the inevitable braking distance of the crane. Since the cable length to be wound is proportional to this braking distance of the crane, this corresponds to the length of the free cable, which is dependent on the direction of travel of the crane and the wind direction in the emergency braking on the winding drum up or unwound from the winding drum.
- the braking distance during emergency braking of the crane is determined by the force acting in the direction of travel of the crane braking force to which only the friction on the contact surface between the crane wheel and the rail, depending on the contact force on the crane wheel influence.
- UPS systems uninterruptible power supply
- the object of the present invention is to ensure that under all circumstances, the supply line is smoothly wound on the winding drum.
- a device for supplying a rail-bound portable consumer in particular a bridge or gantry crane, with a leading from a fixed connection point to the consumer supply line and the supply line depending on the movement of the consumer relative to the connection auflistêt unwinding winding drum, for applying a tensile force on the supply line to a drive motor and is connected to a brake, a trouble-free winding and unwinding of the supply line, thereby achieved that in the drive train between the drive motor and the winding drum a rotating flywheel is arranged and the braking torque of the brake is adjustable.
- the braking torque of the brake in dependence on the size of the flywheel, the braking distance of the brake Bridge crane and the current winding diameter of the supply line adjustable. Squeezing the supply line in the winding drum is reliably prevented, additional monitoring of the cable, for example, the trailing cable is not required.
- the brake is designed as a mechanical standstill brake and assigned to the drive motor.
- the drive motor acts via a gear on the winding drum and the flywheel is arranged between the drive motor and the transmission.
- a form-fit-free coupling is provided in the drive train between the drive motor and the transmission.
- the clutch is preferably designed as a magnetic or friction clutch.
- the winding drum is movably mounted on the consumer and the fixed point of the supply line is located at the fixed connection point.
- the winding drum is mounted, for example, in the direction of travel on the fixed side of a bridge crane.
- a rotary bearing of the winding drum is mounted directly on the steel structure of the bridge, the other pivot bearing is connected to the transmission, which is preferably also supported on the steel construction of the bridge.
- the protruding from the gearbox input shaft is connected via the clutch to the output shaft of the drive motor, on which additionally the inertial mass is arranged according to the invention.
- the one end of the supply line, into which the energy is fed, for example, is attached to the end of the crane runway, while the other end is located on the winding drum.
- a traction means receiving the tensile forces such as rope or The same is arranged at the connection point and the consumer.
- the supply line itself is relieved of the tensile forces, which are applied by the drive motor, or in an emergency by the inertial mass, via the clutch and the transmission to the winding drum.
- winding drum come, for example, known winding drums in question, to which the supply line is multilayer spiral wound.
- FIG. 1 the side view shows a section of a bridge crane (1) from the range of one of its chassis, on its side, for example on the fixed side of the bridge crane, there is a winding drum (2) for a supply line.
- the supply line in this case the cable (2.1) for power supply, is wound spirally in a plane on the winding drum (2) and via a guide roller (2.2) in the laterally to the fixed side of the bridge crane (1) located upwardly open storage channel (3).
- the fixed point of the cable (2.1), ie the fixed connection point (4) for the power supply, is located at the end of the crane rail.
- FIG. 2 shows the systematic structure of the rotationally supported winding drum (2) and illustrates their function.
- the cable (2.1) is wound up on the winding drum (2), which is listed here as in a plane multi-layer winding drum (2.3).
- the drum (2.3) is mounted on a shaft (5), which in turn is rotatably mounted in the gear box of a transmission (6).
- a positive-locking clutch (7) which is formed for example as a magnetic clutch or friction clutch, which consists of a first and a second halves (7.1) and (7.2).
- the clutch (7) slips constantly during operation, but its moment is set so that when the drum (2.3), an unintentional unwinding of the cable (2.1) is not possible.
- the coupling (7) also has the task of limiting the maximum tractive force that can be applied to the supply line.
- the first half (7.1) of the clutch is mounted on the transmission input shaft (6.1), the second half (7.2) of the clutch is arranged on an output shaft (8) of the end of the drive train drive motor (9), at whose output shaft (8 ) opposite end of the adjustable standstill brake (10) is provided.
- the drive motor (9) rotates up to its corresponding speed.
- the standstill brake (10) is electrically ventilated.
- the additionally mounted rotary flywheel (11) is set at the same speed as the drive motor (9).
- the form gleichschreib clutch (7) transmits the torque in the preselected size to the transmission (6), so that the cable (2.1) always remains under mechanical tension.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Vending Machines For Individual Products (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Versorgung eines schienengebundenen ortsbeweglichen Verbrauchers, insbesondere eines Brücken- oder Portalkranes, mit einer von einer ortsfesten Anschlussstelle zu dem Verbraucher führenden Versorgungsleitung und mit einer die Versorgungsleitung in Abhängigkeit von der Bewegung des Verbrauchers relativ zur Anschlussstelle auf- beziehungsweise abwickelnden Wickeltrommel, die zum Aufbringen einer Zugkraft auf die Versorgungsleitung mit einem Antriebsmotor und mit einer Bremse verbunden ist.The invention relates to a device for supplying a rail-bound portable consumer, in particular a bridge or gantry crane, with a leading from a fixed connection point to the consumer supply line and with a supply line in response to the movement of the consumer relative to the connection up or unwinding winding drum , which is connected for applying a tensile force on the supply line with a drive motor and with a brake.
Vorrichtungen dieser Art dienen bei schienengebundenen Verbrauchern, wie beispielsweise bei Brücken- oder Portalkranen dazu, eine einseitig an einer ortsfesten Anschlussstelle festgelegte Versorgungsleitung für Energie oder Medien entsprechend dem Verfahrweg des ortsbeweglichen Verbrauchers diesem nachzuführen, wobei die Versorgungsleitung je nach Fahrtrichtung des Verbrauchers auf die Wickeltrommel auf- beziehungsweise von der Wickeltrommel abgewickelt wird. Die Wickeltrommel kann dabei entweder dem Verbraucher zugeordnet, d.h. an diesem angeordnet sein, so dass die Versorgungsleitung beim Abwickeln vorzugsweise in einen Kabelkanal gelegt wird, oder aber der ortsfesten Anschlussstelle zugeordnet und dort gelagert sein. Im Fall eines Brückenkranes befindet sich die Wickeltrommel häufig in Fahrtrichtung seitlich am ortsbeweglichen Kranteil.Devices of this type are used in rail-bound consumers, such as bridge or gantry cranes to track a unilaterally fixed to a fixed connection point supply line for energy or media according to the travel of the portable consumer this, the supply line depending on the direction of travel of the consumer on the winding drum - Is unwound from the winding drum. The winding drum can either be assigned to the consumer, ie arranged on this, so that the supply line during unwinding is preferably placed in a cable channel, or assigned to the fixed connection point and stored there. In the case of a bridge crane, the winding drum is often in the direction of travel laterally on the movable Crane part.
Es versteht sich, dass Versorgungsleitungen im Sinne der vorliegenden Erfindung nicht nur, wenn auch meistens, die Energiekabel zur Speisung des Verbrauchers sind, sondern beispielsweise auch Lichtwellenleiter, hydraulische oder pneumatische Schlauchleitungen, sowie auch Seile sein können, die in gleicher Weise der ortsbeweglichen Einrichtung nachgeführt und zum Ausgleich des Verfahrweges der ortsbeweglichen Einrichtung auf Wickeltrommeln aufbeziehungsweise von diesen abgewickelt werden.It is understood that supply lines in the sense of the present invention are not only, albeit mostly, the power cables for feeding the consumer, but for example, optical fibers, hydraulic or pneumatic hose lines, as well as ropes can be tracked in the same way tracked the portable device and to compensate for the travel of the portable device on winding drums aufbeziehungsweise be handled by them.
Wichtig bei allen beschriebenen Einsatzzwecken ist es, die Versorgungsleitungen stets unter einer konstanten Zugspannung zu halten, so dass ein sicheres Auf- und Abwickeln der Versorgungsleitungen auf die Wickeltrommel beziehungsweise von der Wickeltrommel gewährleistet wird, damit in keinem Fall beim Verfahren der ortsbeweglichen Einrichtung, etwa der Kranbrücke, diese über die Versorgungsleitungen fahren kann und diese beschädigt. Auch muss sicher vermieden werden, dass sich durch schlaff durchhängende Versorgungsleitungen Probleme beim Aufwickeln und somit Störungen im Bereich der Wickeltrommel ergeben, die nur unter großem Aufwand durch manuellen Einsatz behebbar sind. Deshalb werden die Versorgungsleitungen ständig unter Zugkraft gehalten, doch müssen die Antriebsaggregate der Wickeltrommel so ausgeführt sein, dass der konstante Zug zwar beim Auf- und Abwickeln der Versorgungsleitungen aufrechterhalten wird, die Zugspannung jedoch nicht zu hoch wird, weil die Kabel beziehungsweise Leitungen nur mit einer bestimmten Zugspannung belastbar sind.It is important in all applications described to keep the supply lines always under a constant tension, so that a safe winding and unwinding of the supply lines to the winding drum or from the winding drum is guaranteed, so in no case in the process of the mobile device, such as Crane bridge, this can drive over the supply lines and this damaged. It must also be safely avoided that arise through slack sagging supply lines problems when winding and thus disruptions in the field of winding drum, which can be repaired only at great expense by manual use. Therefore, the supply lines are constantly under tensile force, but the drive units of the winding drum must be designed so that the constant train is maintained while winding and unwinding the supply lines, but the tension is not too high, because the cables or lines with only one certain tensile stress can be loaded.
Üblicherweise sorgt ein über ein Getriebe mit der Wickeltrommel antriebsverbundener Elektromotor für das Auf- und Abwickeln der Versorgungsleitungen auf die beziehungsweise von der Wickeltrommel. Eingesetzt werden auch Induktionskupplungen, Dauermagnetkupplungen, hydraulische Turbokupplungen, Stillstandsmotoren oder über Motorregelungen ansteuerbare AC-Servomotoren. Verschieden Lösungen werden in den
Bei allen bekannten Vorrichtungen zum Antreiben der Wickeltrommeln, insbesondere aber bei schnell fahrenden Verbrauchern, wie Automatikkranen, tritt ein Problem dann auf, wenn durch einen plötzlichen Energieverlust, beispielsweise bei einem Stromausfall und der darauf folgenden Sicherheits-Notbremsung, das Kabel nicht mehr ordnungsgemäß auf- oder abgewickelt werden kann, weil der der Bremsweg des Verbrauchers sich mit der jeweiligen Situation ändert, abhängig von den Einflussgrößen Wind, Reibwert zwischen den Bremsbelägen beziehungsweise Rad und Schiene sowie der Anfangsgeschwindigkeit bei der Sicherheitsnotbremsung.In all known devices for driving the winding drums, but especially in fast-moving consumers, such as automatic cranes, occurs a problem then, if by a sudden loss of energy, for example in a power failure and the subsequent safety emergency braking, the cable can not be properly wound up or unwound, because the braking distance of the consumer changes with the situation, depending on the influencing variables wind, coefficient of friction between the brake linings or wheel and rail as well as the initial speed during emergency safety braking.
Die
Um das zu verhindern, wird derzeit bei semiautomatischen Kranen in Containerterminals die maximale Fahrgeschwindigkeit der Krane reduziert, um dadurch beim Notbremsen das unkontrollierte Abwickeln der Versorgungsleitung zu reduzieren. Da das Abwickeln jedoch nicht vollständig verhindert werden kann, muss bei den bekannten Terminals nach einem Notbremsvorgang beim Wiedereinschalten des elektrischen Stromes die Wickeltrommel das zusätzlich abgewickelte Kabel zunächst langsam aufwickeln. Sollten sich beim Aufwickeln Probleme einstellen, ist der manuelle Eingriff durch das Servicepersonal unausweichlich.To prevent this, the maximum traveling speed of cranes is currently being reduced in semiautomatic cranes in container terminals, thereby reducing the uncontrolled unwinding of the supply line during emergency braking. However, since the unwinding can not be completely prevented, the winding drum in the known terminals after an emergency braking when restarting the electric current, the additionally unwound cable first slowly wind up. Should problems arise during winding, manual intervention by the service personnel is unavoidable.
Teilweise wird heute auch versucht, die beschriebenen Problem durch teure und aufwendige konstruktive Maßnahmen, beispielsweise USV Anlagen (Unterbrechungsfreie Strom Versorgung) zu lösen, welche bei totalem Stromausfall des Kranes elektrische Energie zeitlich begrenzt zur Verfügung stellen.Partly today also tries the problem described by expensive and complex design measures, such as UPS systems (uninterruptible power supply) to solve, which provide temporary power supply in total power failure of the crane.
Ausgehend von den beschriebenen Nachteilen und Problemen, die beim abrupten Bremsen eines schienengebundenen Verbrauchers, insbesondere eines Brückenoder Portalkranes, bei plötzlichem Energieverlust auftreten, besteht die Aufgabe der vorliegenden Erfindung darin sicherzustellen, dass unter allen Umständen die Versorgungsleitung störungsfrei auf die Wickeltrommel gewickelt wird.Based on the described disadvantages and problems that occur in the abrupt braking of a rail-bound consumer, in particular a bridge or gantry crane, with sudden loss of energy, the object of the present invention is to ensure that under all circumstances, the supply line is smoothly wound on the winding drum.
Die vorstehende Aufgabe wird durch eine Vorrichtung zur Versorgung eines schienengebundenen ortsbeweglichen Verbrauchers, insbesondere eines Brücken- oder Portalkranes, mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen 2 bis 10 angegeben.The above object is achieved by a device for supplying a rail-bound transportable consumer, in particular a bridge or gantry crane, with the features of claim 1. Advantageous embodiments of the invention are specified in the
Erfindungsgemäß wird bei einer Vorrichtung zur Versorgung eines schienengebundenen ortsbeweglichen Verbrauchers, insbesondere eines Brückenoder Portalkranes, mit einer von einer ortsfesten Anschlussstelle zu dem Verbraucher führenden Versorgungsleitung und mit einer die Versorgungsleitung in Abhängigkeit von der Bewegung des Verbrauchers relativ zur Anschlussstelle aufbeziehungsweise abwickelnden Wickeltrommel, die zum Aufbringen einer Zugkraft auf die Versorgungsleitung mit einem Antriebsmotor und mit einer Bremse verbunden ist, ein störungsfreies Auf- und Abwickeln der Versorgungsleitung, dadurch erreicht, dass im Antriebsstrang zwischen dem Antriebsmotor und der Wickeltrommel eine umlaufende Schwungmasse angeordnet ist und das Bremsmoment der Bremse einstellbar ist. Hierdurch wird erreicht, dass auch bei einem Nothalt des Verbrauchers und einem hiermit verbundenen Anhalteweg des Verbrauchers die Versorgungsleitung auch ohne eine weitere Stromversorgung des Antriebsmotors der Wickeltrommel noch so lange gegen das einstellbare Bremsmoment auf- oder abgewickelt wird, bis der Verbraucher endgültig zum Stillstand kommt.According to the invention, in a device for supplying a rail-bound portable consumer, in particular a bridge or gantry crane, with a leading from a fixed connection point to the consumer supply line and the supply line depending on the movement of the consumer relative to the connection aufbeziehungsweise unwinding winding drum, for applying a tensile force on the supply line to a drive motor and is connected to a brake, a trouble-free winding and unwinding of the supply line, thereby achieved that in the drive train between the drive motor and the winding drum a rotating flywheel is arranged and the braking torque of the brake is adjustable. This ensures that even with an emergency stop of the consumer and an associated stopping distance of the consumer, the supply line even without a further power supply to the drive motor of the winding drum so long up or unwinds against the adjustable braking torque until the consumer finally comes to a standstill.
Um die von der Schwungmasse initiierte weitere Wickelbewegung an den Anhalteweg des Verbrauchers anpassen zu können, ist das Bremsmoment der Bremse in Abhängigkeit von der Größe der Schwungmasse, des Bremswegs des Brückenkrans und des aktuellen Wickeldurchmessers der Versorgungsleitung einstellbar. Ein Quetschen der Versorgungsleitung in der Wickeltrommel wird sicher verhindert, eine zusätzliche Überwachung des Kabels, beispielsweise des Schleppkabels ist nicht erforderlich.In order to adjust the initiated by the flywheel further winding movement to the stopping distance of the consumer, the braking torque of the brake in dependence on the size of the flywheel, the braking distance of the brake Bridge crane and the current winding diameter of the supply line adjustable. Squeezing the supply line in the winding drum is reliably prevented, additional monitoring of the cable, for example, the trailing cable is not required.
In konstruktiv bevorzugter Ausgestaltung ist die Bremse als mechanische Stillstandsbremse ausgebildet und dem Antriebsmotors zugeordnet. Außerdem wirkt der Antriebsmotor über ein Getriebe auf die Wickeltrommel und die Schwungmasse ist zwischen dem Antriebsmotor und dem Getriebe angeordnet.In a structurally preferred embodiment, the brake is designed as a mechanical standstill brake and assigned to the drive motor. In addition, the drive motor acts via a gear on the winding drum and the flywheel is arranged between the drive motor and the transmission.
Zur Begrenzung der auf die Versorgungsleitung aufbringbaren Zugkraft ist im Antriebsstrang zwischen dem Antriebsmotor und dem Getriebe eine formschlussfreie Kupplung vorgesehen. Die Kupplung ist vorzugsweise als Magnet- oder Reibkupplung ausgebildet.In order to limit the tensile force that can be applied to the supply line, a form-fit-free coupling is provided in the drive train between the drive motor and the transmission. The clutch is preferably designed as a magnetic or friction clutch.
In einer günstigen Ausbildung der Erfindung ist vorgesehen, dass die Wickeltrommel ortsbeweglich an dem Verbraucher gelagert ist und sich der Festpunkt der Versorgungsleitung an der festen Anschlussstelle befindet. Im Normalfall ist die Wickeltrommel beispielsweise in Fahrtrichtung auf der Festseite eines Brückenkranes gelagert. Während ein Drehlager der Wickeltrommel unmittelbar am Stahlbau der Brücke gelagert ist, ist das andere Drehlager mit dem Getriebe verbunden, das sich vorzugsweise ebenfalls auf dem Stahlbau der Brücke abstützt. Die aus dem Getriebe ragende Eingangswelle ist über die Kupplung mit der Abtriebswelle des Antriebsmotors verbunden ist, auf der zusätzlich erfindungsgemäß die Trägheitsmasse angeordnet ist. Das eine Ende der Versorgungsleitung, in das die Energie eingespeist wird, ist beispielsweise an dem Ende der Kranbahn befestigt, während das andere Ende sich auf der Wickeltrommel befindet.In a favorable embodiment of the invention it is provided that the winding drum is movably mounted on the consumer and the fixed point of the supply line is located at the fixed connection point. Normally, the winding drum is mounted, for example, in the direction of travel on the fixed side of a bridge crane. While a rotary bearing of the winding drum is mounted directly on the steel structure of the bridge, the other pivot bearing is connected to the transmission, which is preferably also supported on the steel construction of the bridge. The protruding from the gearbox input shaft is connected via the clutch to the output shaft of the drive motor, on which additionally the inertial mass is arranged according to the invention. The one end of the supply line, into which the energy is fed, for example, is attached to the end of the crane runway, while the other end is located on the winding drum.
Es ist aber gleichsam möglich, nach einem anderen Merkmal der Erfindung, die Wickeltrommel an der Anschlussstelle ortsfest drehbar anzuordnen und die Versorgungsleitung zum ortsbeweglichen Verbraucher zu führen und dort zu befestigen. Die Wirkung der Erfindung wird dadurch nicht beeinträchtigt.However, it is equally possible, according to another feature of the invention, to arrange the winding drum fixed at the connection point rotatable and to lead the supply line to the portable consumer and to attach there. The effect of the invention is not impaired thereby.
Nach einem anderen günstigen Merkmal der Erfindung ist vorgesehen, dass in oder an der Versorgungsleitung ein die Zugkräfte aufnehmendes Zugmittel wie Seil oder dergleichen angeordnet ist, das an der Anschlussstelle und am Verbraucher festgelegt ist. Dadurch wird die Versorgungsleitung selbst von den Zugkräften entlastet, die von dem Antriebsmotor, beziehungsweise im Notfall durch die Trägheitsmasse, über die Kupplung und das Getriebe auf die Wickeltrommel aufgebracht werden.According to another advantageous feature of the invention, it is provided that in or on the supply line, a traction means receiving the tensile forces, such as rope or The same is arranged at the connection point and the consumer. As a result, the supply line itself is relieved of the tensile forces, which are applied by the drive motor, or in an emergency by the inertial mass, via the clutch and the transmission to the winding drum.
Als Wickeltrommel kommen zum Beispiel bekannte Wickeltrommeln in Frage, auf die die Versorgungsleitung mehrlagig spiralförmig aufwickelbar ist.As winding drum come, for example, known winding drums in question, to which the supply line is multilayer spiral wound.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend beschrieben.An embodiment of the invention is illustrated in the drawing and will be described below.
Es zeigt:
- Figur 1
- eine Seitenansicht einer erfindungsgemäßen Wickeltrommel an einem Brückenkran und
Figur 2- ein Systembild der Wickeltrommel.
- FIG. 1
- a side view of a winding drum according to the invention on a bridge crane and
- FIG. 2
- a system picture of the winding drum.
Die
Die erste Hälfte (7.1) der Kupplung ist auf der Getriebeeingangswelle (6.1) gelagert, die zweite Hälfte (7.2) der Kupplung ist auf einer Ausgangswelle (8) des am Ende des Antriebsstranges befindlichen Antriebsmotors (9) angeordnet, an dessen der Ausgangswelle (8) entgegengesetztem Ende die einstellbare Stillstandsbremse (10) vorgesehen ist. Zwischen dem Antriebsmotor (9) und der zweiten Kupplungshälfte (7.2) befindet sich eine zusätzlich angebrachte rotatorische Schwungmasse (11).The first half (7.1) of the clutch is mounted on the transmission input shaft (6.1), the second half (7.2) of the clutch is arranged on an output shaft (8) of the end of the drive train drive motor (9), at whose output shaft (8 ) opposite end of the adjustable standstill brake (10) is provided. Between the drive motor (9) and the second coupling half (7.2) is an additionally mounted rotary flywheel (11).
Sobald der elektrische Hauptschalter des Fahrantriebs des Brückenkrans (1) betätigt wird, dreht der Antriebsmotor (9) auf seine entsprechende Drehzahl hoch. Dabei ist die Stillstandsbremse (10) elektrisch gelüftet. Gleichzeitig wird auch die zusätzlich angebrachte rotatorische Schwungmasse (11) in die gleiche Drehzahl versetzt wie der Antriebsmotor (9). Die formschlussfreie Kupplung (7) überträgt das Drehmoment in der vorgewählten Größe auf das Getriebe (6), so dass das Kabel (2.1) immer unter mechanischer Spannung bleibt.Once the main electrical switch of the traction drive of the bridge crane (1) is actuated, the drive motor (9) rotates up to its corresponding speed. The standstill brake (10) is electrically ventilated. At the same time, the additionally mounted rotary flywheel (11) is set at the same speed as the drive motor (9). The formschlussfreie clutch (7) transmits the torque in the preselected size to the transmission (6), so that the cable (2.1) always remains under mechanical tension.
Fährt nun der Brückenkran vorwärts oder rückwärts, bleibt das Kabel (2.1) durch das auf den Getriebekasten wirkende Drehmoment immer mechanisch vorgespannt.If the bridge crane moves forwards or backwards, the cable (2.1) always remains mechanically pretensioned by the torque acting on the gearbox.
Bei einem Notbremsvorgang wird die elektrische Stromversorgung unterbrochen, die Stillstandsbremse (10) fällt ein. Die rotierende Schwungmasse (11) hat aber noch genügend rotatorische Energie, um das erforderliche Drehmoment gegen die eingefallene Bremse Stillstandsbremse (10) noch für eine von der Schwungsmasse (11) und der Bremskraft abhängigen Zeitspanne zu einem weiteren Antrieb der Wickeltrommel (2) von der Schwungsmasse (11) über die Kupplung (7) und den Getriebekasten (6) aufrecht zu erhalten. Dadurch wird das Kabel (2.1) auch während des Bremsvorgangs für den entsprechenden Bremsweg des Brückenkrans (1) und auch unabhängig von der Fahrtrichtung des Brückenkrans (1) sicher aufbeziehungsweise abgewickelt. Nachdem ein Teil der rotatorischen Energie zum Aufbeziehungsweise Abwickeln aufgebraucht wurde, bleibt die Wickeltrommel (2) stehen, weil die Stillstandsbremse (10) nach wie vor im Eingriff ist.In an emergency braking operation, the electrical power supply is interrupted, the standstill brake (10) falls. However, the rotating flywheel (11) still has enough rotational energy to the required torque against the sunken brake standstill brake (10) or for one of the flywheel (11) and the braking force dependent time to another drive of the winding drum (2) of the Maintain flywheel (11) via the clutch (7) and the gearbox (6). As a result, the cable (2.1) during the braking process for the corresponding braking distance of the bridge crane (1) and also regardless of the direction of travel of the bridge crane (1) safely aufbeziehungsweise unwound. After a part of the rotational energy to Aufberziehungsweise Unwinding has been used up, the winding drum (2) stops, because the standstill brake (10) is still engaged.
- 11
- BrückenkranOverhead crane
- 22
- Wickeltrommelwinding drum
- 2.12.1
- Versorgungsleitungsupply line
- 2.22.2
- Umlenkrolleidler pulley
- 2.32.3
- Trommeldrum
- 33
- Ablagerinnestorage channel
- 44
- Anschlussstellejunction
- 55
- Wellewave
- 66
- Getriebetransmission
- 6.16.1
- GetriebeeingangswelleTransmission input shaft
- 77
- Kupplungclutch
- 7.17.1
- erste Hälfte der Kupplung 7first half of the clutch 7
- 7.27.2
- zweite Hälfte der Kupplung 7second half of the clutch 7
- 88th
- Ausgangswelleoutput shaft
- 99
- Antriebsmotordrive motor
- 1010
- mechanische Bremsemechanical brake
- 1111
- SchwungmasseInertia
Claims (10)
- Arrangement for supplying a mobile rail-borne consuming load, and in particular an overhead travelling crane or gantry crane (1), having a supply line (2.1) running from a fixed point of connection (4) to the consuming load and having a winding drum (2) which winds up or unwinds the supply line as a function of the movement of the consuming load relative to the point of connection and which is connected to a drive motor (9) and a brake (10) to allow a tractive force to be applied to the supply line, characterised in that a revolving flywheel mass (11) is arranged in the drive train between the drive motor (9) and the winding drum (2) and the braking torque of the brake (10) can be set.
- Arrangement according to claim 1, characterised in that the braking torque of the brake (10) can be set as a function of the size of the flywheel mass (11), the stopping distance of the overhead travelling crane (1) and the current diameter of the turns of the supply line (2.1).
- Arrangement according to claim 1 or 2, characterised in that the brake (10) takes the form of a mechanical stopping brake and is associated with the drive motor (9).
- Arrangement according to one of claims 1 to 3, characterised in that the drive motor (9) acts on the winding drum (2) via a gearbox (6) and the flywheel mass (11) is arranged between the drive motor (9) and the gearbox (6).
- Arrangement according to claim 4, characterised in that a non-positively-engaging coupling or clutch (7) is provided between the drive motor (9) and the gearbox (6).
- Arrangement according to claim 5, characterised in that the coupling or clutch (7) takes the form of a magnetic or frictional clutch.
- Arrangement according to one of claims 1 to 6, characterised in that the winding drum (2) is mounted on the mobile consuming load (1) and the fixed point of the supply line is situated at the fixed point of connection (4).
- Arrangement according to one of claims 1 to 6, characterised in that the winding drum (2) is arranged at the point of connection (4) in a fixed position but to be rotatable and the supply line (2.1) is guided to the mobile consuming load (1) and is fastened in place there.
- Arrangement according to one of claims 1 to 8, characterised in that a means for traction, such as a cable or the like, which is fixed to the point of connection (4) and the consuming load (1) and which accepts the tractive forces, is arranged in or on the supply line (2.1)
- Arrangement according to one of claims 1 to 9, characterised in that the supply line (2.1) can be wound onto the winding drum (2) in a plurality of helical layers.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10323025 | 2003-04-04 | ||
DE10323025A DE10323025B4 (en) | 2003-04-04 | 2003-04-04 | Device for supplying a rail-bound portable consumer via a supply line |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1464610A2 EP1464610A2 (en) | 2004-10-06 |
EP1464610A3 EP1464610A3 (en) | 2005-12-21 |
EP1464610B1 true EP1464610B1 (en) | 2011-08-31 |
Family
ID=32842315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04007377A Expired - Lifetime EP1464610B1 (en) | 2003-04-04 | 2004-03-26 | Device for supplying a rail-bounded consumer with energy through a supply line |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1464610B1 (en) |
AT (1) | ATE522468T1 (en) |
DE (1) | DE10323025B4 (en) |
DK (1) | DK1464610T3 (en) |
ES (1) | ES2371873T3 (en) |
PT (1) | PT1464610E (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104743446B (en) * | 2015-04-09 | 2017-03-15 | 上海时科自动化有限公司 | A kind of crane brake braking moment detection method and system |
DE102016120115A1 (en) | 2016-10-21 | 2018-04-26 | Konecranes Global Corporation | overhead crane |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE737017A (en) * | 1968-08-23 | 1970-01-16 | ||
DE2041820A1 (en) * | 1970-08-22 | 1972-04-06 | Hartmann & Koenig Ohg Maschine | Drive unit for a cable drum |
DE2600564A1 (en) * | 1976-01-09 | 1977-07-21 | Stemmann Ohg A | Mobile crane actuating equipment - has storage drum for supply line positioned at crane and driven by infinitely variable drive |
DE3310311A1 (en) * | 1983-03-22 | 1984-09-27 | August Stemmann KG, 4443 Schüttdorf | Drive arrangement for a line drum |
DD241730A1 (en) * | 1985-10-17 | 1986-12-24 | Eberswalde Kranbau | DRIVE DEVICE FOR A CABLE DRUM |
GB2199304A (en) * | 1986-12-24 | 1988-07-06 | Li Wen Guang | Rewindable hose reel |
DE3921679A1 (en) * | 1989-07-03 | 1991-01-17 | Stemmann Technik Gmbh | Power supply for mains-independent mobile electrical load - has measuring devices for cable tension and drum motor rotor angle, linked to microprocessor and inverter |
FR2686743B1 (en) * | 1992-01-27 | 1994-04-29 | Delachaux Sa | DEVICE FOR WINDING AND UNWINDING AN ENERGY TRANSPORT CABLE, OR THE LIKE. |
US5626307A (en) * | 1994-05-20 | 1997-05-06 | Smith; Jeffrey M. | Mobile swimming pool maintenance supplies storage cabinet with ventilation and drainage and with vacuum hose reel enclosed under slidable roof |
DE29511722U1 (en) * | 1995-07-20 | 1995-11-02 | Hartmann & König Stromzuführungs-GmbH & Co. KG, 76676 Graben-Neudorf | Drive unit for a cable drum |
TW510356U (en) * | 2001-05-14 | 2002-11-11 | Sheng-Shing Liau | Wire winding case with an electric charging unit |
-
2003
- 2003-04-04 DE DE10323025A patent/DE10323025B4/en not_active Expired - Fee Related
-
2004
- 2004-03-26 AT AT04007377T patent/ATE522468T1/en active
- 2004-03-26 PT PT04007377T patent/PT1464610E/en unknown
- 2004-03-26 ES ES04007377T patent/ES2371873T3/en not_active Expired - Lifetime
- 2004-03-26 DK DK04007377.7T patent/DK1464610T3/en active
- 2004-03-26 EP EP04007377A patent/EP1464610B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT1464610E (en) | 2011-10-06 |
EP1464610A2 (en) | 2004-10-06 |
ES2371873T3 (en) | 2012-01-10 |
ATE522468T1 (en) | 2011-09-15 |
DE10323025B4 (en) | 2005-04-21 |
EP1464610A3 (en) | 2005-12-21 |
DK1464610T3 (en) | 2011-12-05 |
DE10323025A1 (en) | 2004-10-21 |
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