EP2593393A1 - Winch - Google Patents

Winch

Info

Publication number
EP2593393A1
EP2593393A1 EP11733791.5A EP11733791A EP2593393A1 EP 2593393 A1 EP2593393 A1 EP 2593393A1 EP 11733791 A EP11733791 A EP 11733791A EP 2593393 A1 EP2593393 A1 EP 2593393A1
Authority
EP
European Patent Office
Prior art keywords
winch
drive
emergency
gear
wheel
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
EP11733791.5A
Other languages
German (de)
French (fr)
Other versions
EP2593393B1 (en
Inventor
Johannes Bulling
Erich Harsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Components Biberach GmbH
Original Assignee
Liebherr Components Biberach GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liebherr Components Biberach GmbH filed Critical Liebherr Components Biberach GmbH
Publication of EP2593393A1 publication Critical patent/EP2593393A1/en
Application granted granted Critical
Publication of EP2593393B1 publication Critical patent/EP2593393B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B66D1/22—Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear

Definitions

  • the present invention relates to a winch with a winch drum, a main drive driving the transmission input shaft, and an emergency drive driving the transmission input shaft if necessary.
  • winch are generally understood devices that apply a certain pulling or lifting force to a corresponding object using a rope.
  • the rope is usually wound on a cylindrical drum driven by a motor.
  • the winches were built from individual components.
  • the input shaft of the spur gear is carried out continuously, with the end of the main drive of the winch is coupled.
  • a safety brake system is actuated and optionally an emergency drive is activated for emergency operation of the winch.
  • This emergency drive can be coupled in known retractable winches on the second shaft end via a switchable coupling.
  • Such winches are used for years as versatile lifting and pulling winches in a wide range of applications.
  • By building these winches as compact winches the construction of these winches in their robustness and simplicity could be increased.
  • the size of the compact winches was greatly reduced by a planetary gearbox protected in the drum. Engine, brake, gear and drum are arranged coaxially with each other.
  • a disadvantage of this design is that the switchable coupling of the emergency drive at the opposite end of the shaft is only partially possible or even impossible.
  • Object of the present invention is therefore to show an alternative solution for on-demand coupling of an emergency drive to a compact winch.
  • a winch is proposed with a winch drum, a main drive driving the transmission input shaft and an emergency drive driving the transmission input shaft if necessary.
  • the winch drum and the main drive are preferably arranged coaxially with one another.
  • the drive gear and the braking device are also arranged coaxially to the main drive and the winch drum.
  • a planetary gear between the main drive and winch drum interposed to drive the compact winch.
  • At least one mechanical transmission element or at least one mechanical transmission unit in particular in the form of at least one intermediate wheel, is provided in order to couple the emergency drive as needed to the output gear of the transmission input shaft.
  • the power transmission from the drive wheel of the emergency drive is therefore via the intermediate intermediate gear on the output gear of the transmission input shaft.
  • the power transmission in the context of the invention can also take place via chain elements, timing belts or the like.
  • the intermediate wheel is slidably mounted for coupling and decoupling.
  • the intermediate wheel is mounted displaceably in the direction of its shaft axis.
  • the idler can therefore be moved into a coupled position, which allows a power transmission from the drive wheel of the emergency drive to the output gear of the transmission input shaft.
  • the movement of the idler gear in the decoupled position leads to an interruption of the power transmission from the emergency drive to the transmission input shaft.
  • the coupling and decoupling of the proposed intermediate wheel is preferably carried out via a manually or automatically operated lever mechanism.
  • the lever actuation brings the intermediate gear into engagement with the drive wheel or the driven wheel. It is conceivable that the lever mechanism for the user is accessible from the outside. If a defect occurs on the main drive, the user can quickly and easily actuate the lever and switch the winch to the emergency drive.
  • At least one locking means for fixing the insects is preferably provided.
  • an intervention of the emergency drive is prevented on the drive train of the shaft in normal operation.
  • a manually operated locking pin is particularly preferred as a locking means, which prevents any displacement of the intermediate wheel along its shaft axis.
  • An optimal power transmission is advantageously ensured by a roof toothing of the intermediate gear and the output gear of the transmission input shaft. stet. Furthermore, the roof teeth allow a smooth positioning of the intermediate gear for engagement in the output gear of the transmission input shaft.
  • the drive wheel of the emergency drive on a hexagon as an additional adjustment. This adjustment allows the optimization of the power flow from the emergency drive to the transmission input shaft.
  • the engagement of the drive wheel of the emergency drive can readjust or optimize in the idler.
  • one or more inductive sensors are provided. As a result, it can be detected in particular whether the idler gear is in or not in engagement with the drive wheel and driven wheel of the emergency driveline.
  • One or more inductive sensors are expediently arranged in the region of the intermediate wheel shaft.
  • means for decoupling the main drive from the drive train of the transmission input shaft are preferably provided.
  • the main drive can be disengaged by means of slotted spacers from the drive train of the transmission input shaft, so as to prevent the frictional connection.
  • the means for decoupling or the slotted spacer bushes preferably bring about a displacement of the main drive in the direction of the shaft axis, in particular in the opposite direction to the transmission input shaft. The main drive is thus moved away on the shaft axis of the transmission input shaft.
  • the present invention is further directed to a construction machine or a lifting device having at least one winch, in particular draw-in winch, according to one of the aforementioned feature combinations. Further advantages and details of the invention are explained in more detail below with reference to drawings. Show it:
  • FIG. 1 shows a side view of the pulling-in winch according to the invention
  • FIG. 2 shows a sectional view along the section axis A - A of the draw-in winch according to the invention from FIG. 1,
  • FIG. 3 shows a further sectional view of the draw-in winch according to the invention along the section axis A-A from FIG. 1 and FIG. 3
  • Figure 4 a detailed view of the lever mechanism of the pull-in winch according to the invention.
  • FIG. 1 shows an overall view of the draw-in winch according to the invention in a side view.
  • the pull-in winch invention was designed as a compact winch with a planetary gear not shown.
  • the main drive 10 and the brake disc 60 of the braking device 40, the planetary gear and the winch drum 30 are arranged coaxially with each other.
  • the winch rope 31 is wound in a conventional manner. If necessary, d. H. when a technical defect of the main drive 10 occurs, the emergency drive 20 can be activated for safety. This can be coupled by means of the lever mechanism 110 for emergency operation of the drive train of the winch drum 30.
  • the winch is designed so that the emergency drive 20 only runs when needed, so in emergency mode. If the main drive 10 is mechanically blocked, it can additionally be disengaged with the aid of certain means and the power flow to the drive train of the draw-in winch can be interrupted.
  • the braking device 40 has the advantage that the brake can be used for both modes, namely the normal lifting operation and the emergency operation, due to the special arrangement, and therefore no additional drive has to be provided.
  • the braking device 40 further has the advantage that it allows a loadless switching, since the gear torque applied to the brake, but not to the drives.
  • the brake device 40 may be embodied, for example, as a disk, drum or as an electromechanical swirl brake.
  • a brake integrated into the transmission may preferably be designed as a multi-disk brake.
  • FIGS. 2 and 3 show a sectional view of the draw-in winch according to the invention along the section axis A-A from FIG. 1, wherein a plan view of the draw-in winch has been selected.
  • the main drive 10 is connected via a planetary gear with the transmission input shaft 35 of the winch drum 30 in connection. With the aid of the coupling means 50, the main drive 10 can be decoupled from the drive train of the winch drum 30 and the power flow can be interrupted.
  • the brake disk 60 of the brake device 40 is fixedly arranged on the transmission input shaft, so that the engagement of the brake device 40 on the brake disk 60 generates a braking torque acting on the winch drum 30.
  • the emergency drive 20 is arranged laterally offset from the drive axis of the main drive 0, wherein the drive shaft of the main drive 10 and the emergency drive 20 are parallel to each other. On the emergency drive shaft end of the drive wheel 80 is arranged. This has at least twice the width of the intermediate gear 100. In order to generate a power flow between the emergency drive 20 and the output gear 70, if necessary, the intermediate gear 100 can be coupled. With the help of the idler gear 100, a power flow from the drive wheel 80 of the emergency drive 20 to the driven gear 70 of the transmission input shaft 35 can take place.
  • the corresponding output gear 70 for the emergency drive train sits on the transmission input shaft 35 in front of the drum 30th
  • FIG. 2 shows the draw-in winch according to the invention during normal operation. In this case, the main drive 10 operates properly and drives the winch 30.
  • the emergency drive 20 is switched off and the intermediate gear 100 is not in engagement with the output gear 70 of the transmission input shaft 35th
  • the idler 100 is movably mounted in the direction of its shaft axis.
  • the gear size of intermediate gear 100 and drive wheel 80 is selected so that a constant engagement of the intermediate gear 100 is ensured in the drive wheel 80, regardless of the current Eisenradposition.
  • the lever mechanism 110 must be actuated by the user.
  • the intermediate gear 100 is displaced to the right in the direction of its shaft axis relative to the transmission input shaft 35 by the lever actuation until the intermediate gear 100 engages the output gear 70 of the drum 30.
  • the coordinated roof teeth of intermediate gear 100 and output gear 70 makes the engagement of the two wheels particularly smoothly, which is why the force required for this purpose is kept within limits.
  • the lever mechanism 110 may also be mounted axially and actuated hydraulically, electromechanically or pneumatically.
  • the main drive 10 can preferably be decoupled from the drive train of the draw-in winch.
  • the main drive 10 is disengaged via slotted spacers 120 from the transmission input shaft 35 of the drum 30.
  • the clutch mechanism 50 is therefore no longer engaged, so that the power flow is interrupted by the main drive 10 to the transmission input shaft.
  • Figure 4 shows a detailed view of the lever mechanism according to the invention for longitudinal displacement of the idler gear 100.
  • Figure 4 shows in the foreground the drive wheel 80 of the emergency drive 20.
  • the idler 100 is arranged concealed.
  • the lever 110 is connected to the longitudinal Eisenradment 130 which extends in the direction of the Eisenradwellenachse. If the lever 110 is guided by the obliquely upwardly extending recess 140 to the top right, the idler 100 is moved over the receptacle 130 to the right in the direction of its shaft axis and brought into engagement with the driven gear 70. The lever return causes the longitudinal displacement of the idler gear 100 to the left, whereby the power flow between the idler gear 100 and output gear 70 is interrupted.
  • the bacteriaposition serves the locking pin 50, which prevents the longitudinal displacement of the Eisenradsuit 130 in any direction.
  • one or more incremental encoders 160 for position detection of the idler gear 100 are furthermore arranged. The current position of the intermediate gear 100 is monitored and communicated to the winch control by the incremental encoder.
  • the emergency drive can also be brought into engagement with the shaft via an angle gear. Both drives can also be designed hydraulically.

Abstract

The present invention relates to a winch, in particular a retracting winch, having a winch drum (30), at least one main drive (10), which drives the gear-mechanism input shaft (35) of the winch drum, and at least one emergency drive (20), which drives the gear-mechanism input shaft in the event of an emergency, wherein at least one emergency drive can be coupled, if required, to the output wheel (70) of the gear-mechanism input shaft via at least one intermediate wheel (100). The present invention is also directed to a piece of building machinery or to a hoist having at least one such winch.

Description

Winde  winch
Die vorliegende Erfindung betrifft eine Winde mit einer Windentrommel, einen die Getriebeeingangswelle antreibenden Hauptantrieb, sowie einen notfalls die Getriebeeingangswelle antreibenden Notantrieb. The present invention relates to a winch with a winch drum, a main drive driving the transmission input shaft, and an emergency drive driving the transmission input shaft if necessary.
Unter dem Begriff Seilwinde sind im allgemeinen Vorrichtungen zu verstehen, die mit Hilfe eines Seiles eine bestimmte Zug- oder Hubkraft auf ein entsprechendes Objekt aufbringen. Das Seil wird meist auf einer durch einen Motor angetriebenen zylindrischen Trommel aufgewickelt. The term winch are generally understood devices that apply a certain pulling or lifting force to a corresponding object using a rope. The rope is usually wound on a cylindrical drum driven by a motor.
Bisher wurden die Winden aus einzelnen Komponenten aufgebaut. Die Eingangswelle des Stirnradgetriebes ist durchgehend ausgeführt, wobei endseitig der Hauptantrieb der Seilwinde angekoppelt ist. Bei einem möglichen Defektfall am Hauptantrieb wird eine Sicherheitsbremsanlage betätigt und gegebenenfalls ein Notantrieb zum Notbetrieb der Winde aktiviert. Dieser Notantrieb ist bei bekannten Einziehwinden am zweiten Wellenende über eine schaltbare Kupplung ankoppelbar. Derartige Seilwinden werden seit Jahren als vielseitige Hub- und Zugwinden in einem breiten Anwendungsspektrum verwendet. Durch den Aufbau dieser Einziehwinden als Kompaktseilwinden konnte die Konstruktion dieser Winden in ihrer Robustheit und Einfachheit gesteigert werden. Die Baugröße der Kompaktwinden wurde durch ein in der Trommel geschützt liegendes Planetengetriebe stark verkürzt. Motor, Bremse, Getriebe und Trommel sind koaxial zueinander angeordnet. Ein Nachteil dieser Konstruktion besteht allerdings darin, dass die schaltbare Kupplung des Notantriebes am gegenüberliegenden Wellenende nur bedingt möglich oder gar unmöglich ist. So far, the winches were built from individual components. The input shaft of the spur gear is carried out continuously, with the end of the main drive of the winch is coupled. In the event of a possible fault on the main drive, a safety brake system is actuated and optionally an emergency drive is activated for emergency operation of the winch. This emergency drive can be coupled in known retractable winches on the second shaft end via a switchable coupling. Such winches are used for years as versatile lifting and pulling winches in a wide range of applications. By building these winches as compact winches, the construction of these winches in their robustness and simplicity could be increased. The size of the compact winches was greatly reduced by a planetary gearbox protected in the drum. Engine, brake, gear and drum are arranged coaxially with each other. A disadvantage of this design, however, is that the switchable coupling of the emergency drive at the opposite end of the shaft is only partially possible or even impossible.
Aufgabe der vorliegenden Erfindung ist es daher, eine alternative Lösung zum bedarfsweisen Ankoppeln eines Notantriebes an eine Kompaktseilwinde aufzuzeigen. Object of the present invention is therefore to show an alternative solution for on-demand coupling of an emergency drive to a compact winch.
Diese Aufgabe wird durch die Merkmalskombination des Anspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der sich an den Hauptanspruch anschließenden Unteransprüche. This object is achieved by the combination of features of claim 1. Further advantageous embodiments of the invention are the subject of the subordinate claims to the main claim.
Gemäß dem Anspruch 1 wird eine Winde mit einer Windentrommel, einem die Getriebeeingangswelle antreibenden Hauptantrieb sowie einem notfalls die Getriebeeingangswelle antreibenden Notantrieb vorgeschlagen. Ist die erfindungsgemäße Winde, insbesondere die Einziehwinde, als Kompaktwinde ausgeführt, so sind vorzugsweise Windentrommel und Hauptantrieb koaxial zueinander angeordnet. Ferner sind bei der Ausführung als Kompaktwinde bevorzugt das Antriebsgetriebe sowie die Bremsvorrichtung ebenfalls koaxial zum Hauptantrieb und der Windentrommel angeordnet. Besonders bevorzugt wird zum Antrieb der Kompaktwinde ein Planetengetriebe zwischen Hauptantrieb und Windentrommel zwischengeschaltet. According to claim 1, a winch is proposed with a winch drum, a main drive driving the transmission input shaft and an emergency drive driving the transmission input shaft if necessary. If the winch according to the invention, in particular the draw-in winch, is designed as a compact winch, the winch drum and the main drive are preferably arranged coaxially with one another. Furthermore, in the embodiment as a compact winch preferably the drive gear and the braking device are also arranged coaxially to the main drive and the winch drum. Particularly preferred is a planetary gear between the main drive and winch drum interposed to drive the compact winch.
Erfindungsgemäß ist wenigstens ein mechanisches Übertragungselement oder wenigstens eine mechanische Übertragungseinheit, insbesondere in Form wenigstens eines Zwischenrades, vorgesehen, um den Notantrieb bedarfsweise an das Abtriebsrad der Getriebeeingangswelle anzukoppeln. Die Kraftübertragung vom An- triebsrad des Notantriebes erfolgt demnach über das zwischengeschaltete Zwischenrad auf das Abtriebsrad der Getriebeeingangswelle. Anstelle eines oder mehrerer Zwischenräder kann die Kraftübertragung im Rahmen der Erfindung auch über Kettenelemente, Zahnriemen oder ähnliches erfolgen. According to the invention, at least one mechanical transmission element or at least one mechanical transmission unit, in particular in the form of at least one intermediate wheel, is provided in order to couple the emergency drive as needed to the output gear of the transmission input shaft. The power transmission from the drive wheel of the emergency drive is therefore via the intermediate intermediate gear on the output gear of the transmission input shaft. Instead of one or more intermediate wheels, the power transmission in the context of the invention can also take place via chain elements, timing belts or the like.
Vorteilhafterweise ist das Zwischenrad verschieblich zum Ein- und Auskoppeln gelagert. Vorzugsweise ist das Zwischenrad in Richtung seiner Wellenachse verschieblich gelagert. Das Zwischenrad läßt sich demnach in eine eingekoppelte Position verschieben, die eine Kraftübertragung von Antriebsrad des Notantriebes auf das Abtriebsrad der Getriebeeingangswelle ermöglicht. Die Bewegung des Zwischenrades in die ausgekoppelte Position führt zu einer Unterbrechung der Kraftübertragung vom Notantrieb auf die Getriebeeingangswelle. Advantageously, the intermediate wheel is slidably mounted for coupling and decoupling. Preferably, the intermediate wheel is mounted displaceably in the direction of its shaft axis. The idler can therefore be moved into a coupled position, which allows a power transmission from the drive wheel of the emergency drive to the output gear of the transmission input shaft. The movement of the idler gear in the decoupled position leads to an interruption of the power transmission from the emergency drive to the transmission input shaft.
Das Ein- und Auskoppeln des vorgesehenen Zwischenrades erfolgt bevorzugt über einen manuell oder automatisch zu betätigenden Hebelmechanismus. Die Hebelbetätigung bringt das Zwischenrad in Eingriff mit dem Antriebsrad bzw. dem Abtriebsrad. Es ist denkbar, dass der Hebelmechanismus für den Benutzer von außen zugänglich ist. Tritt ein Defekt am Hauptantrieb auf, so kann der Benutzer schnell und unkompliziert den Hebel betätigen und die Winde auf den Notantrieb umschalten. The coupling and decoupling of the proposed intermediate wheel is preferably carried out via a manually or automatically operated lever mechanism. The lever actuation brings the intermediate gear into engagement with the drive wheel or the driven wheel. It is conceivable that the lever mechanism for the user is accessible from the outside. If a defect occurs on the main drive, the user can quickly and easily actuate the lever and switch the winch to the emergency drive.
Um eine unbeabsichtigte Positionsverstellung des Zwischenrades während des Windenbetriebes zu unterbinden, ist vorzugsweise wenigstens ein Arretierungsmittel zur Fixierung der Zwischenradposition vorgesehen. Hierdurch wird beispielsweise ein Eingriff des Notantriebes auf den Antriebsstrang der Welle im Normalbetrieb unterbunden. Weiterhin ist es sichergestellt, dass während des Notbetriebes der Kraftfluß vom Notantrieb zur Getriebeeingangswelle durch eine Verschiebung des Zwischenrades unterbrochen wird. Besonders bevorzugt eignet sich ein manuell zu betätigender Arretierungsbolzen als Arretierungsmittel, der jegliche Verschiebung des Zwischenrades entlang seiner Wellenachse unterbindet. In order to prevent inadvertent positional adjustment of the intermediate wheel during the winch operation, at least one locking means for fixing the Zwischenradposition is preferably provided. As a result, for example, an intervention of the emergency drive is prevented on the drive train of the shaft in normal operation. Furthermore, it is ensured that the power flow from the emergency drive to the transmission input shaft is interrupted by a displacement of the intermediate wheel during emergency operation. Particularly preferred is a manually operated locking pin as a locking means, which prevents any displacement of the intermediate wheel along its shaft axis.
Eine optimale Kraftübertragung ist vorteilhafterweise durch eine Dachverzahnung des Zwischenrades sowie des Abtriebrades der Getriebeeingangswelle gewährlei- stet. Ferner erlaubt die Dachverzahnung eine leichtgängige Positionierung des Zwischenrades zum Eingriff in das Abtriebsrad der Getriebeeingangswelle. An optimal power transmission is advantageously ensured by a roof toothing of the intermediate gear and the output gear of the transmission input shaft. stet. Furthermore, the roof teeth allow a smooth positioning of the intermediate gear for engagement in the output gear of the transmission input shaft.
In einer bevorzugten Ausführung der Erfindung weist das Antriebsrad des Notantriebes einen Sechskant als zusätzliche Verstellmöglichkeit auf. Diese Verstellmöglichkeit erlaubt die Optimierung des Kraftflusses vom Notantrieb auf die Getriebeeingangswelle. Insbesondere läßt sich der Eingriff des Antriebsrades des Notantriebes in das Zwischenrad nachjustieren bzw. optimieren. In a preferred embodiment of the invention, the drive wheel of the emergency drive on a hexagon as an additional adjustment. This adjustment allows the optimization of the power flow from the emergency drive to the transmission input shaft. In particular, the engagement of the drive wheel of the emergency drive can readjust or optimize in the idler.
Zur Mitteilung der jeweiligen Position des Zwischenrades an die Windensteuerung sind ein oder mehrere Induktivgeber vorgesehen. Hierdurch läßt sich insbesondere erfassen, ob das Zwischenrad im oder nicht im Eingriff mit dem An- und Abtriebsrad des Notantriebsstrangs steht. Ein oder mehrere Induktivgeber sind zweckmäßig im Bereich der Zwischenradwelle angeordnet. To inform the respective position of the intermediate gear to the winch control one or more inductive sensors are provided. As a result, it can be detected in particular whether the idler gear is in or not in engagement with the drive wheel and driven wheel of the emergency driveline. One or more inductive sensors are expediently arranged in the region of the intermediate wheel shaft.
Ist der Hauptantrieb im Defektfall mechanisch blockiert, so sind vorzugsweise Mittel zur Entkopplung des Hauptantriebes vom Antriebsstrang der Getriebeeingangswelle vorgesehen. Insbesondere läßt sich der Hauptantrieb mit Hilfe von geschlitzten Distanzbuchsen vom Antriebsstrang der Getriebeeingangswelle ausrücken, um so den Kraftschluß zu unterbinden. Vorzugsweise bewirken die Mittel zur Entkopplung bzw. die geschlitzten Distanzbuchsen eine Verschiebung des Hauptantriebes in Richtung der Wellenachse, insbesondere in entgegengesetzter Richtung zur Getriebeeingangswelle. Der Hauptantrieb wird demnach auf der Wellenachse von der Getriebeeingangswelle wegbewegt. If the main drive is mechanically blocked in the event of a defect, means for decoupling the main drive from the drive train of the transmission input shaft are preferably provided. In particular, the main drive can be disengaged by means of slotted spacers from the drive train of the transmission input shaft, so as to prevent the frictional connection. The means for decoupling or the slotted spacer bushes preferably bring about a displacement of the main drive in the direction of the shaft axis, in particular in the opposite direction to the transmission input shaft. The main drive is thus moved away on the shaft axis of the transmission input shaft.
Besonders vorteilhaft ist es, wenn die Zahnräder beschichtet sind. Hierdurch wird die Notlaufeigenschaft (Trockenlauf) generell verbessert. Hierdurch wird der Reibewert minimiert, sowie Geräusche und Verschleiß gemindert. It is particularly advantageous if the gears are coated. As a result, the emergency running property (dry running) is generally improved. As a result, the friction value is minimized, and noise and wear reduced.
Die vorliegende Erfindung ist des Weiteren auf eine Baumaschine oder ein Hebegerät gerichtet, die oder das wenigstens eine Winde, insbesondere Einziehwinde, gemäß einer der vorgenannten Merkmalskombinationen aufweist. Weitere Vorteile und Einzelheiten der Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert. Es zeigen: The present invention is further directed to a construction machine or a lifting device having at least one winch, in particular draw-in winch, according to one of the aforementioned feature combinations. Further advantages and details of the invention are explained in more detail below with reference to drawings. Show it:
Figur 1 : eine Seitenansicht der erfindungsgemäßen Einziehwinde, FIG. 1 shows a side view of the pulling-in winch according to the invention,
Figur 2: eine Schnittdarstellung entlang der Schnittachse A-A der erfindungsgemäßen Einziehwinde aus Figur 1 , FIG. 2 shows a sectional view along the section axis A - A of the draw-in winch according to the invention from FIG. 1,
Figur 3: eine weitere Schnittdarstellung der erfindungsgemäßen Einziehwinde entlang der Schnittachse A-A aus Figur 1 und FIG. 3 shows a further sectional view of the draw-in winch according to the invention along the section axis A-A from FIG. 1 and FIG
Figur 4: eine Detailansicht des Hebelmechanismus der erfindungsgemäßen Einziehwinde. Figure 4: a detailed view of the lever mechanism of the pull-in winch according to the invention.
Der Figur 1 ist eine Gesamtansicht der erfindungsgemäßen Einziehwinde in einer Seitendarstellung zu entnehmen. Die erfindungsgemäße Einziehwinde wurde als Kompaktwinde mit einem nicht näher dargestellten Planetengetriebe konzipiert. Der Hauptantrieb 10 sowie die Bremsscheibe 60 der Bremsvorrichtung 40, das Planetengetriebe und die Windentrommel 30 sind koaxial zueinander angeordnet. Auf der Trommelwinde 30 wird das Windenseil 31 in üblicher Weise aufgewickelt. Im Bedarfsfall, d. h. beim Auftreten eines technischen Defekts des Hauptantriebes 10, ist zur Sicherheit der Notantrieb 20 aktivierbar. Dieser läßt sich mit Hilfe des Hebelmechanismus 110 für den Notbetrieb an den Antriebsstrang der Windentrommel 30 ankoppeln. Die Einziehwinde ist dabei so konstruiert, dass der Notantrieb 20 nur bei Bedarf, also im Notbetrieb, mitläuft. Ist der Hauptantrieb 10 mechanisch blockiert, so kann er zusätzlich mit Hilfe bestimmter Mittel ausgerückt werden und der Kraftfluß zum Antriebsstrang der Einziehwinde unterbrochen werden. FIG. 1 shows an overall view of the draw-in winch according to the invention in a side view. The pull-in winch invention was designed as a compact winch with a planetary gear not shown. The main drive 10 and the brake disc 60 of the braking device 40, the planetary gear and the winch drum 30 are arranged coaxially with each other. On the drum winch 30, the winch rope 31 is wound in a conventional manner. If necessary, d. H. when a technical defect of the main drive 10 occurs, the emergency drive 20 can be activated for safety. This can be coupled by means of the lever mechanism 110 for emergency operation of the drive train of the winch drum 30. The winch is designed so that the emergency drive 20 only runs when needed, so in emergency mode. If the main drive 10 is mechanically blocked, it can additionally be disengaged with the aid of certain means and the power flow to the drive train of the draw-in winch can be interrupted.
Die Bremsvorrichtung 40 weist den Vorteil auf, dass durch die spezielle Anordnung die Bremse für beide Modi, nämlich den normalen Hubbetrieb und den Notbetrieb, nutzbar ist und somit kein zusätzlicher Antrieb vorgehalten werden muß. In dieser Ausführungsform verfügt die Bremsvorrichtung 40 weiterhin über den Vorteil, dass sie ein lastloses Umschalten ermöglicht, da das Getriebemoment an der Bremse, nicht aber an den Antrieben anliegt. The braking device 40 has the advantage that the brake can be used for both modes, namely the normal lifting operation and the emergency operation, due to the special arrangement, and therefore no additional drive has to be provided. In this Embodiment, the braking device 40 further has the advantage that it allows a loadless switching, since the gear torque applied to the brake, but not to the drives.
Die Bremsvorrichtung 40 kann beispielsweise als Lamellen-, Trommel- oder als elektromechanische Wirbelbremse ausgeführt sein, Eine in das Getriebe integrierte Bremse kann dabei bevorzugt als Lamellenbremse ausgeführt sein. The brake device 40 may be embodied, for example, as a disk, drum or as an electromechanical swirl brake. A brake integrated into the transmission may preferably be designed as a multi-disk brake.
Die einzelnen technischen Details der erfindungsgemäßen Einziehwinde sollen im Folgenden anhand der beiden Figuren 2, 3 weitergehend erläutert werden. Die Figuren 2 und 3 zeigen eine Schnittdarstellung der erfindungsgemäßen Einziehwinde entlang der Schnittachse A-A aus Figur 1 , wobei eine Draufsicht auf die Einziehwinde gewählt wurde. Der Hauptantrieb 10 steht über ein Planetengetriebe mit der Getriebeeingangswelle 35 der Windentrommel 30 in Verbindung. Mit Hilfe des Kupplungsmittels 50 kann der Hauptantrieb 10 vom Antriebsstrang der Windentrommel 30 abgekoppelt und der Kraftfluß unterbrochen werden. The individual technical details of the pull-in winch according to the invention will be explained in more detail below with reference to the two figures 2, 3. FIGS. 2 and 3 show a sectional view of the draw-in winch according to the invention along the section axis A-A from FIG. 1, wherein a plan view of the draw-in winch has been selected. The main drive 10 is connected via a planetary gear with the transmission input shaft 35 of the winch drum 30 in connection. With the aid of the coupling means 50, the main drive 10 can be decoupled from the drive train of the winch drum 30 and the power flow can be interrupted.
Ferner ist auf der Getriebeeingangswelle die Bremsscheibe 60 der Bremsvorrichtung 40 fest angeordnet, so dass der Eingriff der Bremsvorrichtung 40 auf die Bremsscheibe 60 ein auf die Windentrommel 30 einwirkendes Bremsmoment erzeugt. Furthermore, the brake disk 60 of the brake device 40 is fixedly arranged on the transmission input shaft, so that the engagement of the brake device 40 on the brake disk 60 generates a braking torque acting on the winch drum 30.
Der erfindungsgemäße Notantrieb 20 ist seitlich versetzt zur Antriebsachse des Hauptantriebes 0 angeordnet, wobei die Antriebswelle des Hauptantriebes 10 sowie des Notantriebes 20 parallel zueinander verlaufen. Auf der Notantriebswelle ist endseitig das Antriebsrad 80 angeordnet. Dieses weist mindestens die doppelte Breite des Zwischenrades 100 auf. Um einen Kraftfluß zwischen dem Notantrieb 20 und dem Abtriebsrad 70 zu erzeugen, kann bei Bedarf das Zwischenrad 100 eingekoppelt werden. Mit Hilfe des Zwischenrades 100 kann ein Kraftfluß vom Antriebsrad 80 des Notantriebes 20 auf das Abtriebsrad 70 der Getriebeeingangswelle 35 erfolgen. Das entsprechende Abtriebsrad 70 für den Notantriebsstrang sitzt auf der Getriebeeingangswelle 35 vor der Trommel 30. Die Figur 2 zeigt die erfindungsgemäße Einziehwinde während des Normalbetriebes. In diesem Fall funktioniert der Hauptantrieb 10 ordnungsgemäß und treibt die Winde 30 an. Der Notantrieb 20 ist abgeschaltet und das Zwischenrad 100 befindet sich nicht im Eingriff mit dem Abtriebsrad 70 der Getriebeeingangswelle 35. The emergency drive 20 according to the invention is arranged laterally offset from the drive axis of the main drive 0, wherein the drive shaft of the main drive 10 and the emergency drive 20 are parallel to each other. On the emergency drive shaft end of the drive wheel 80 is arranged. This has at least twice the width of the intermediate gear 100. In order to generate a power flow between the emergency drive 20 and the output gear 70, if necessary, the intermediate gear 100 can be coupled. With the help of the idler gear 100, a power flow from the drive wheel 80 of the emergency drive 20 to the driven gear 70 of the transmission input shaft 35 can take place. The corresponding output gear 70 for the emergency drive train sits on the transmission input shaft 35 in front of the drum 30th FIG. 2 shows the draw-in winch according to the invention during normal operation. In this case, the main drive 10 operates properly and drives the winch 30. The emergency drive 20 is switched off and the intermediate gear 100 is not in engagement with the output gear 70 of the transmission input shaft 35th
Um im Notfall einen Kraftfluß vom Notantrieb 20 auf die Getriebeeingangswelle herzustellen, ist das Zwischenrad 100 in Richtung seiner Wellenachse beweglich gelagert. Die Zahnradabmessung von Zwischenrad 100 und Antriebsrad 80 ist dabei so gewählt, dass ein ständiger Eingriff des Zwischenrades 100 in das Antriebsrad 80 unabhängig von der aktuellen Zwischenradposition gewährleistet ist. In order to produce a power flow from the emergency drive 20 to the transmission input shaft in an emergency, the idler 100 is movably mounted in the direction of its shaft axis. The gear size of intermediate gear 100 and drive wheel 80 is selected so that a constant engagement of the intermediate gear 100 is ensured in the drive wheel 80, regardless of the current Zwischenradposition.
Soll der Windenbetrieb auf den Notantrieb 20 umgeschaltet werden, so muß der Hebelmechanismus 110 durch den Benutzer betätigt werden. Wie der Figur 3 zu entnehmen ist, wird durch die Hebelbetätigung das Zwischenrad 100 in Richtung seiner Wellenachse relativ zur Getriebeeingangswelle 35 nach rechts verschoben, bis das Zwischenrad 100 in das Abtriebsrad 70 der Trommel 30 eingreift. Die aufeinander abgestimmte Dachverzahnung von Zwischenrad 100 und Abtriebsrad 70 gestaltet die Ineingriffbringung der beiden Räder besonders leichtgängig, weshalb die hierzu notwendige Kraftaufwendung in Grenzen gehalten wird. Der Hebelmechanismus 110 kann auch axial angebracht werden und hydraulisch, elektrome- chanisch oder pneumatisch betätigt werden. If the winch operation is to be switched to the emergency drive 20, the lever mechanism 110 must be actuated by the user. As can be seen from FIG. 3, the intermediate gear 100 is displaced to the right in the direction of its shaft axis relative to the transmission input shaft 35 by the lever actuation until the intermediate gear 100 engages the output gear 70 of the drum 30. The coordinated roof teeth of intermediate gear 100 and output gear 70 makes the engagement of the two wheels particularly smoothly, which is why the force required for this purpose is kept within limits. The lever mechanism 110 may also be mounted axially and actuated hydraulically, electromechanically or pneumatically.
Da im Defektfall des Hauptantriebes 0 eine mögliche Blockierung der Antriebswelle des Hauptantriebes 10 nicht auszuschließen ist, läßt sich der Hauptantrieb 10 vorzugsweise vom Antriebsstrang der Einziehwinde entkoppeln. Hierzu wird der Hauptantrieb 10 über geschlitzte Distanzbuchsen 120 von der Getriebeeingangswelle 35 der Trommel 30 ausgerückt. Der Kupplungsmechanismus 50 befindet sich demnach nicht mehr im Eingriff, so dass der Kraftfluß vom Hauptantrieb 10 zur Getriebeeingangswelle unterbrochen ist. Die Verstellung des Hauptantriebes 10 erfolgt über die Schrauben 170. Figur 4 zeigt eine Detaildarstellung des erfindungsgemäßen Hebelmechanismus zur Längsverschiebung des Zwischenrades 100. Die Figur 4 zeigt im Vordergrund das Antriebsrad 80 des Notantriebes 20. Parallel versetzt zum Antriebsrad 80 des Notantriebes 20, also in die Zeichenebene hinein, ist das Zwischenrad 100 verdeckt angeordnet. Der Hebel 110 ist mit der längsförmigen Zwischenradaufnahme 130 verbunden, die in Richtung der Zwischenradwellenachse verläuft. Wird der Hebel 110 durch die schräg nach oben verlaufende Ausnehmung 140 nach oben rechts geführt, wird das Zwischenrad 100 über die Aufnahme 130 nach rechts in Richtung seiner Wellenachse verschoben und in Eingriff mit dem Abtriebsrad 70 gebracht. Die Hebelrückführung bewirkt die Längsverschiebung des Zwischenrades 100 nach links, wodurch der Kraftfluß zwischen Zwischenrad 100 und Abtriebsrad 70 unterbrochen wird. Since a possible blockage of the drive shaft of the main drive 10 can not be excluded in the event of a defect of the main drive 0, the main drive 10 can preferably be decoupled from the drive train of the draw-in winch. For this purpose, the main drive 10 is disengaged via slotted spacers 120 from the transmission input shaft 35 of the drum 30. The clutch mechanism 50 is therefore no longer engaged, so that the power flow is interrupted by the main drive 10 to the transmission input shaft. The adjustment of the main drive 10 via the screws 170th Figure 4 shows a detailed view of the lever mechanism according to the invention for longitudinal displacement of the idler gear 100. Figure 4 shows in the foreground the drive wheel 80 of the emergency drive 20. Parallel offset to the drive wheel 80 of the emergency drive 20, ie in the plane, the idler 100 is arranged concealed. The lever 110 is connected to the longitudinal Zwischenradaufnahme 130 which extends in the direction of the Zwischenradwellenachse. If the lever 110 is guided by the obliquely upwardly extending recess 140 to the top right, the idler 100 is moved over the receptacle 130 to the right in the direction of its shaft axis and brought into engagement with the driven gear 70. The lever return causes the longitudinal displacement of the idler gear 100 to the left, whereby the power flow between the idler gear 100 and output gear 70 is interrupted.
Für die Fixierung der Zwischenradposition dient der Arretierungsbolzen 50, der die Längsverschiebung der Zwischenradaufnahme 130 in jeglicher Richtung unterbindet. Im Bereich des Zwischenrades 100 sind weiterhin ein oder mehrere Inkremen- talgeber 160 zur Positionserkennung des Zwischenrades 100 angeordnet. Die aktuelle Position des Zwischenrades 100 wird überwacht und der Windensteuerung durch die Inkrementalgeber mitgeteilt. For fixing the Zwischenradposition serves the locking pin 50, which prevents the longitudinal displacement of the Zwischenradaufnahme 130 in any direction. In the region of the idler gear 100, one or more incremental encoders 160 for position detection of the idler gear 100 are furthermore arranged. The current position of the intermediate gear 100 is monitored and communicated to the winch control by the incremental encoder.
Der Notantrieb kann mit der Welle auch über ein Winkelgetriebe in Eingriff bringbar sein. Beide Antriebe können zudem auch hydraulisch ausgeführt sein. The emergency drive can also be brought into engagement with the shaft via an angle gear. Both drives can also be designed hydraulically.

Claims

Patentansprüche claims
1. Winde, insbesondere Einziehwinde, mit einer Windentrommel, mindestens einem die Trommelwelle antreibenden Hauptantrieb sowie wenigstens einem notfalls die Trommelwelle antreibenden Notantrieb, dadurch gekennzeichnet, dass wenigstens ein Notantrieb über wenigstens ein mechanisches Übertragungselement oder eine mechanische Übertragungseinheit bedarfsweise an das Abtriebsrad der Trommelwelle ankoppelbar ist. 1. Winch, in particular winch, with a winch drum, at least one main shaft driving the drum shaft and at least one emergency driving the drum shaft emergency drive, characterized in that at least one emergency drive via at least one mechanical transmission element or a mechanical transmission unit as needed can be coupled to the driven wheel of the drum shaft ,
2. Winde nach Anspruch 1 , dadurch gekennzeichnet, dass die Übertragungselemente Zwischenräder sind, wobei wenigstens ein Zwischenrad verschieblich, insbesondere in Richtung der Zwischenraddrehachse verschieblich, zum Ein- und Auskoppeln gelagert ist. 2. Winch according to claim 1, characterized in that the transmission elements are intermediate wheels, wherein at least one intermediate displaceable, in particular displaceable in the direction of Zwischenraddrehachse, is mounted for coupling and decoupling.
3. Winde nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass wenigstens ein Zwischenrad über einen Hebelmechanismus ein- bzw. auskoppelbar ist. 3. Winch according to claim 1 or 2, characterized in that at least one intermediate gear via a lever mechanism is switched on or coupled out.
4. Winde nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass wenigstens ein Zwischenrad mittels mindestens eines Arretierungsmittels, insbesondere eines Arretierungbolzens, in seiner Position feststellbar ist. 4. Winch according to one of the preceding claims, characterized in that at least one intermediate wheel by means of at least one locking means, in particular a locking pin, is detectable in its position.
5. Winde nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Hauptantrieb und/oder die Windenbremse und/oder das Antriebsgetriebe und/oder die Windentrommel koaxial zueinander angeordnet sind. 5. Winch according to one of the preceding claims, characterized in that the main drive and / or the winch brake and / or the drive gear and / or the winch drum are arranged coaxially with each other.
6. Winde nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die Verzahnung wenigstens eines Zwischenrades und/oder des Abtriebsrades als Dachverzahnung ausgeführt ist/sind. 6. Winch according to one of the preceding claims, characterized in that the toothing of at least one intermediate gear and / or the driven wheel is designed as a roof toothing / are.
7. Winde nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das Antriebsrad wenigstens eines Notantriebes wenigstens einen Sechskant als zusätzliche Verstellmöglichkeit aufweist. 7. Winch according to one of the preceding claims, characterized in that the drive wheel has at least one emergency drive at least one hexagon as additional adjustment.
8. Winde nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass wenigstens ein Mittel zur Positionserfassung des Zwischenrades, insbesondere ein oder mehrere Induktivgeber, vorgesehen ist/sind. 8. Winch according to one of the preceding claims, characterized in that at least one means for detecting the position of the intermediate wheel, in particular one or more inductive sensors, is / are provided.
9. Winden nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass Mittel zur Entkopplung des Hauptantriebes, insbesondere ein oder mehrere geschlitzte Distanzbuchsen, vorgesehen sind. 9. winches according to one of the preceding claims, characterized in that means for decoupling the main drive, in particular one or more slotted spacers, are provided.
10. Baumaschine oder Hebegerät mit wenigstens einer Einziehwinde gemäß einem der Ansprüche 1 bis 8. 10. construction machine or lifting device with at least one winch according to one of claims 1 to 8.
EP11733791.5A 2010-07-13 2011-07-01 Winch Active EP2593393B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010026968.9A DE102010026968B4 (en) 2010-07-13 2010-07-13 Winch and construction machine or lifter
PCT/EP2011/003274 WO2012007112A1 (en) 2010-07-13 2011-07-01 Winch

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EP2593393A1 true EP2593393A1 (en) 2013-05-22
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CN (1) CN103079987B (en)
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ES (1) ES2529686T3 (en)
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DE102010026968A1 (en) 2012-01-19
WO2012007112A1 (en) 2012-01-19
US10246311B2 (en) 2019-04-02
DE102010026968B4 (en) 2014-02-13
CN103079987A (en) 2013-05-01
US20130112931A1 (en) 2013-05-09
CN103079987B (en) 2016-08-17
RU2013105794A (en) 2014-08-20
ES2529686T3 (en) 2015-02-24
ZA201300075B (en) 2014-03-26
EP2593393B1 (en) 2015-01-28

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