EP1897840B1 - Winch - Google Patents

Winch Download PDF

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Publication number
EP1897840B1
EP1897840B1 EP06018165A EP06018165A EP1897840B1 EP 1897840 B1 EP1897840 B1 EP 1897840B1 EP 06018165 A EP06018165 A EP 06018165A EP 06018165 A EP06018165 A EP 06018165A EP 1897840 B1 EP1897840 B1 EP 1897840B1
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EP
European Patent Office
Prior art keywords
bearing support
rope winch
bolt
winch according
rope
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.)
Active
Application number
EP06018165A
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German (de)
French (fr)
Other versions
EP1897840A1 (en
Inventor
Jürgen Rotzler
Steffen Walz
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.)
Rotzler GmbH and Co KG
Original Assignee
Rotzler GmbH and Co KG
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 Rotzler GmbH and Co KG filed Critical Rotzler GmbH and Co KG
Priority to ES06018165T priority Critical patent/ES2339961T3/en
Priority to EP06018165A priority patent/EP1897840B1/en
Priority to DE502006005983T priority patent/DE502006005983D1/en
Priority to CN2007101422481A priority patent/CN101134554B/en
Priority to US11/848,299 priority patent/US7658370B2/en
Publication of EP1897840A1 publication Critical patent/EP1897840A1/en
Application granted granted Critical
Publication of EP1897840B1 publication Critical patent/EP1897840B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists
    • 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
    • B66D1/58—Safety gear responsive to excess of load

Definitions

  • the invention relates to a winch specified in the preamble of claim 1 genus.
  • the winch From the DE 195 12 103 C2 is a winch with a rope drum known.
  • the winch has torque sensors, which are arranged in the interior of the cable drum on the outer circumference of a cup-shaped receptacle for the drive motor.
  • torque sensors To replace the torque sensors, a bearing support and the entire drive motor must be disassembled from the cable drum. This is very expensive, so that repair or replacement of a torque sensor associated with high costs.
  • the EP 1 308 414 A1 discloses a winch according to the preamble of claim 1, the drive motor is arranged in a support member.
  • the support member is mounted on a bearing support with play in the circumferential direction. Relative movements between the carrier component and the bearing support are determined via load receiver.
  • the US 3,330,154 discloses a cable drum, on whose bearing shaft a load receptor is arranged.
  • the DE 297 23 821 U1 discloses a winch whose drive is connected via a torque arm with the frame of the winch is.
  • the torque arm has a measuring device for determining the force applied to the cable.
  • the EP 1 602 617 A1 shows a hoist with a lifting gear on which a sensor is arranged, which detects the deformation of the shaft, which is caused by the lifting load.
  • the DE 85 20 140 U1 discloses a winch whose transmission housing is supported by a torque arm.
  • the torque arm has strain gauges to measure elastic deformation.
  • the invention has for its object to provide a winch of the generic type, which allows easy replacement and easy repair.
  • the transducer can be replaced by replacing the component in a simple manner.
  • the component is arranged so that it is interchangeable without disassembly of a bearing support.
  • the cable drum must not be opened so that the exchange can be carried out by the user himself in a simple manner.
  • the component on which the pickup is arranged is interchangeable, it is easily possible to retrofit a winch with a pick-up for detecting the load.
  • winches can be built with facilities for load detection identical construction with winches without load detection. Only the component on which the pickup is arranged, in each case adapt and optionally equipped with a pickup. Because the sensor is not arranged on the bearing support itself, deformations of the bearing support are not included in the measurement of the load, so that a more accurate measurement result can be achieved.
  • the component extends through the bearing support.
  • the transducer has a connection line for connection to a controller, wherein the connection line is guided by a trained in the component channel from the winch.
  • the lead is thus integrated into the component, so that the replacement of the component with the transducer can be performed very easily and quickly.
  • the position of the component is secured to the bearing support with securing means which are accessible from the outside of the bearing support facing away from the cable drum.
  • the component consists of a different material than the bearing support.
  • the bearing support consists in particular of a casting material, preferably of gray cast iron.
  • Cast iron bearing supports can be manufactured in a simple way and absorb the forces occurring during operation. For the arrangement of pickups for load detection gray cast iron is only poorly suited.
  • the component may be made of a material that is well suited for the placement of a pick-up, such as steel. Characterized in that the transducer is arranged on a separate from the bearing support member, the material of the component can be adapted to the requirements of the transducer.
  • the cable drum is mounted on both sides of bearing supports. This results in a high stability and low bending forces.
  • the drive motor is held on a bearing support and the transmission is supported on the opposite bearing support. It is envisaged that the transmission is supported on the bearing support via the component on which the sensor for detecting the load is arranged. Via the gear, the forces acting on the cable drum forces are transmitted into the component, so that the deformation of the component is a measure of the force acting on the cable drum force.
  • the component is designed as a bolt.
  • the transmission is in particular a planetary gear whose planet gears are mounted on a stationary planet carrier.
  • the planet carrier is rotatably connected to the bolt.
  • the rotationally fixed connection is in particular designed so that it allows movement of the bolt relative to the planet carrier in the direction of the drive axis of the cable drum. As a result, the bolt can be pulled out of the planet carrier in the direction of the drive axle.
  • the planet carrier is rotatably connected to the bolt via a toothing, in particular via a serration. A toothing allows the transmission of high torques and at the same time a nesting of the two components in the direction of the drive axle.
  • the bolt is rotatably connected to the bearing support.
  • the rotationally fixed connection is designed so that it allows movement of the bolt relative to the bearing support in the direction of the drive axis of the cable drum.
  • the bolt can also be pulled out of the bearing support in the direction of the drive axle. Due to the non-rotatable connection with bearing support and planet carrier via a respective toothing a simple interchangeability of the bolt is given.
  • the bolt has a circumferential groove in which the sensor is arranged to detect the load.
  • the circumferential groove is in particular the narrowest cross-section of the bolt.
  • the pin is rotatably connected in a first region with the bearing support and in a second region rotatably connected to the planet carrier, wherein the circumferential groove between the first and the second area is arranged.
  • the circumferential groove, in which the transducer is arranged thus lies in the region in which the torque is transmitted from the planet carrier to the bearing support.
  • a transducer for detecting the load is a strain gauge.
  • strain gauges are provided, wherein two pairs of strain gauges are disposed opposite to each other on the circumference of the circumferential groove. Each two strain gauges of a pair are offset by 90 ° to each other, so that the strain signals are recorded in mutually perpendicular directions.
  • winch 1 has two bearing supports 3, 4, between which a cable drum 2 is arranged.
  • the cable drum 2 is rotatably mounted about a drive shaft 30.
  • a cable 5 is wound, which is up or unwound on rotation of the cable drum 2 about its drive axis 30 depending on the direction of rotation.
  • the cable drum 2 is mounted on the bearing support 3 with a bearing 7 on a projecting into the cable drum 2 collar 32 of the bearing support 3.
  • a seal 19 is arranged to the bearing support 4. towards the interior 6 of the cable drum 2 is open.
  • a pot 11 is formed, which projects into the interior of the cable drum 2 and on the outer circumference of a bearing 8 is arranged, on which the other end of the cable drum 2 is supported.
  • a drive motor 9 is arranged, which drives a drive shaft 10 in rotation.
  • the pot 11 is partially closed by a disc 29.
  • On the disc 29 of the drive motor 9 is screwed.
  • the disc 29 has a central opening through which the drive shaft 10 protrudes.
  • the drive motor 9 drives the cable drum 2 via a gear 12, which is designed as a planetary gear.
  • the sun gear 13 of the planetary gear is fixed in rotation on the drive shaft 10.
  • the sun gear 13 drives planet gears 14, of which in Fig. 1 two are shown.
  • four planet gears 14 may be provided.
  • the planetary gears 14 are rotatably connected to the bearing support 3 about the drive shaft 30.
  • the planetary gears 14 are rotatably mounted on bearing axles 15.
  • the bearing shafts 15 are fixed to a planet carrier 16 which is rotatably connected to a bolt 18.
  • the bolt 18 is rotatably mounted on the bearing support 3.
  • the planet carrier 16 is thus rotatably mounted relative to the bearing support 3.
  • the cable drum 2 has on its inner circumference in the region of the planet gears 14, a toothing 17, with which the planet gears 14 are engaged.
  • a rotation of the sun gear 13 causes a rotation of the planet gears 14 about the bearing axes 15. Since the bearing axes 15 stationary are arranged, the cable drum 2 is driven in rotation by the rotation of the planet gears 14.
  • Fig. 2 the design of the bolt 18 is shown in more detail.
  • the bolt 18 has at its inside of the cable drum 2 projecting end a toothing 20 which cooperates with an internal toothing 22 of the planet carrier 16.
  • About the teeth 20 and 22 of the bolt 18 and the planet carrier 16 are rotatably connected to each other.
  • the bolt 18 in the region of the collar 32 has a toothing 21 which cooperates with a corresponding toothing of the bearing support 3.
  • the pin 18 has a circumferential groove 24.
  • the bottom of the circumferential groove 24 represents the narrowest cross section of the pin 18.
  • a total of four strain gauges 25 are arranged in Fig. 2 are shown schematically. Two strain gauges are arranged at an angle of 90 ° to each other. The two pairs of strain gauges are arranged on the circumference of the bolt 18 opposite in the circumferential groove 24.
  • the bolt 18 has a channel 28 which is formed in the embodiment by a longitudinal bore and a transverse bore in the bolt 18 and connects the circumferential groove 24 with the projecting from the winch 1 side of the bolt 18. Through the channel 28, a connecting line 26 of the strain gauges 25 is guided. The connecting line 26 connects the strain gauges 25 with a controller 27, which is arranged outside the winch 1.
  • the outwardly projecting end of the bolt 18 has an enlarged diameter, which bears against a shoulder 33 of the bearing support 3.
  • a securing ring 23 is arranged, which fixes the bolt 18 in the direction of the drive axle 30.
  • the diameter of the bolt 18 is greatest in the region of its outwardly projecting end. In the area of the toothing 21, the diameter is somewhat reduced and decreases further in the area of the toothing 20.
  • the locking ring 23 is accessible from the outside, so that a disassembly of the bolt 18 in a simple manner possible.
  • the toothings 20, 21 and 22 are designed in particular as serrations. However, other types of teeth may be provided which allow pulling out of the bolt 18 from the winch 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Description

Die Erfindung betrifft eine Seilwinde der im Oberbegriff des Anspruchs 1 angegebenen Gattung.The invention relates to a winch specified in the preamble of claim 1 genus.

Aus der DE 195 12 103 C2 ist eine Seilwinde mit einer Seiltrommel bekannt. Zur Erfassung der Last an der Seiltrommel besitzt die Seilwinde Drehmomentsensoren, die im Inneren der Seiltrommel am Außenumfang einer topfförmigen Aufnahme für den Antriebsmotor angeordnet sind. Um die Drehmomentsensoren auszutauschen, muß eine Lagerstütze sowie der gesamte Antriebsmotor von der Seiltrommel demontiert werden. Dies ist sehr aufwendig, so daß Reparatur oder Austausch eines Drehmomentsensors mit hohem Aufwand verbunden sind.From the DE 195 12 103 C2 is a winch with a rope drum known. To detect the load on the cable drum, the winch has torque sensors, which are arranged in the interior of the cable drum on the outer circumference of a cup-shaped receptacle for the drive motor. To replace the torque sensors, a bearing support and the entire drive motor must be disassembled from the cable drum. This is very expensive, so that repair or replacement of a torque sensor associated with high costs.

Die EP 1 308 414 A1 offenbart eine Seilwinde gemäß dem Oberbegriff des Anspruchs 1, deren Antriebsmotor in einem Trägerbauteil angeordnet ist. Das Trägerbauteil ist an einer Lagerstütze mit Spiel in Umfangsrichtung gelagert. Relativbewegungen zwischen dem Trägerbauteil und der Lagerstütze werden über Lastaufnehmer ermittelt.The EP 1 308 414 A1 discloses a winch according to the preamble of claim 1, the drive motor is arranged in a support member. The support member is mounted on a bearing support with play in the circumferential direction. Relative movements between the carrier component and the bearing support are determined via load receiver.

Die US 3,330,154 offenbart eine Seiltrommel, an deren Lagerwelle ein Lastaufnehmer angeordnet ist.The US 3,330,154 discloses a cable drum, on whose bearing shaft a load receptor is arranged.

Die DE 297 23 821 U1 offenbart eine Seilwinde, deren Antrieb über eine Drehmomentstütze mit dem Gestell der Seilwinde verbunden ist. Die Drehmomentstütze weist eine Meßeinrichtung zur Bestimmung der an dem Seil anliegenden Kraft auf.The DE 297 23 821 U1 discloses a winch whose drive is connected via a torque arm with the frame of the winch is. The torque arm has a measuring device for determining the force applied to the cable.

Die EP 1 602 617 A1 zeigt ein Hebezeug mit einem Hubgetriebe, an dem ein Sensor angeordnet ist, der die Verformung der Welle erfaßt, die von der Hublast hervorgerufen ist.The EP 1 602 617 A1 shows a hoist with a lifting gear on which a sensor is arranged, which detects the deformation of the shaft, which is caused by the lifting load.

Die DE 85 20 140 U1 offenbart eine Seilwinde, deren Getriebegehäuse über eine Drehmomentstütze abgestützt ist. Die Drehmomentstütze besitzt Dehnungsmeßstreifen zur Messung der elastischen Verformung.The DE 85 20 140 U1 discloses a winch whose transmission housing is supported by a torque arm. The torque arm has strain gauges to measure elastic deformation.

Der Erfindung liegt die Aufgabe zugrunde, eine Seilwinde der gattungsgemäßen Art zu schaffen, die einen einfachen Austausch und eine einfache Reparatur ermöglicht.The invention has for its object to provide a winch of the generic type, which allows easy replacement and easy repair.

Diese Aufgabe wird durch eine Seilwinde mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a winch with the features of claim 1.

Dadurch, daß das Bauteil, an dem der Aufnehmer zur Erfassung der Last angeordnet ist, austauschbar an der Seilwinde festgelegt ist, kann der Aufnehmer durch Austausch des Bauteils auf einfache Weise ausgetauscht werden. Das Bauteil ist dabei so angeordnet, daß es ohne Demontage einer Lagerstütze austauschbar ist. Zum Austausch muß damit die Seiltrommel nicht geöffnet werden, so daß der Austausch auch durch den Benutzer selbst auf einfache Weise durchgeführt werden kann. Dadurch, daß das Bauteil, an dem der Aufnehmer angeordnet ist, austauschbar ist, ist es auf einfache Weise möglich, eine Seilwinde mit einem Aufnehmer zur Erfassung der Last nachzurüsten. Auch können Seilwinden mit Einrichtungen zur Lasterfassung baugleich mit Seilwinden ohne Lasterfassung gebaut werden. Lediglich das Bauteil, an dem der Aufnehmer angeordnet ist, ist jeweils anzupassen und gegebenenfalls mit einem Aufnehmer auszustatten. Dadurch, daß der Aufnehmer nicht an der Lagerstütze selbst angeordnet ist, gehen Verformungen der Lagerstütze nicht in die Messung der Last mit ein, so daß sich ein genaueres Meßergebnis erreichen läßt.Characterized in that the component on which the sensor is arranged to detect the load, is fixed interchangeably on the winch, the transducer can be replaced by replacing the component in a simple manner. The component is arranged so that it is interchangeable without disassembly of a bearing support. For replacement so that the cable drum must not be opened so that the exchange can be carried out by the user himself in a simple manner. Characterized in that the component on which the pickup is arranged, is interchangeable, it is easily possible to retrofit a winch with a pick-up for detecting the load. Also, winches can be built with facilities for load detection identical construction with winches without load detection. Only the component on which the pickup is arranged, in each case adapt and optionally equipped with a pickup. Because the sensor is not arranged on the bearing support itself, deformations of the bearing support are not included in the measurement of the load, so that a more accurate measurement result can be achieved.

Vorteilhaft durchragt das Bauteil die Lagerstütze. Dadurch ist eine einfache Austauschbarkeit möglich. Es ist vorgesehen, daß der Aufnehmer eine Anschlußleitung zur Verbindung mit einer Steuerung besitzt, wobei die Anschlußleitung durch einen in dem Bauteil ausgebildeten Kanal aus der Seilwinde geführt ist. Die Anschlußleitung ist damit in das Bauteil integriert, so daß der Austausch des Bauteils mit dem Aufnehmer sehr einfach und schnell durchgeführt werden kann.Advantageously, the component extends through the bearing support. As a result, a simple interchangeability is possible. It is envisaged that the transducer has a connection line for connection to a controller, wherein the connection line is guided by a trained in the component channel from the winch. The lead is thus integrated into the component, so that the replacement of the component with the transducer can be performed very easily and quickly.

Um eine einfache Austauschbarkeit zu gewährleisten, ist vorgesehen, daß die Lage des Bauteils an der Lagerstütze mit Sicherungsmitteln gesichert ist, die von der der Seiltrommel abgewandten Außenseite der Lagerstütze zugänglich sind.To ensure easy interchangeability, it is provided that the position of the component is secured to the bearing support with securing means which are accessible from the outside of the bearing support facing away from the cable drum.

Vorteilhaft besteht das Bauteil aus einem anderen Material als die Lagerstütze. Die Lagerstütze besteht insbesondere aus einem Gußmaterial, vorzugsweise aus Grauguß. Lagerstützen aus Grauguß können auf einfache Weise gefertigt werden und nehmen die auftretenden Kräfte im Betrieb gut auf. Zur Anordnung von Aufnehmern zur Lasterfassung ist Grauguß jedoch nur schlecht geeignet. Das Bauteil kann aus einem Material gefertigt werden, das gut für die Anordnung eines Aufnehmers geeignet ist, wie beispielsweise Stahl. Dadurch, daß der Aufnehmer an einem von der Lagerstütze getrennten Bauteil angeordnet ist, kann das Material des Bauteils auf die Anforderungen des Aufnehmers abgestimmt werden.Advantageously, the component consists of a different material than the bearing support. The bearing support consists in particular of a casting material, preferably of gray cast iron. Cast iron bearing supports can be manufactured in a simple way and absorb the forces occurring during operation. For the arrangement of pickups for load detection gray cast iron is only poorly suited. The component may be made of a material that is well suited for the placement of a pick-up, such as steel. Characterized in that the transducer is arranged on a separate from the bearing support member, the material of the component can be adapted to the requirements of the transducer.

Die Seiltrommel ist beidseitig an Lagerstützen gelagert. Dadurch ergeben sich eine hohe Stabilität und geringe Biegekräfte. Insbesondere ist an einer Lagerstütze der Antriebsmotor gehalten und an der gegenüberliegenden Lagerstütze das Getriebe abgestützt. Es ist vorgesehen, daß das Getriebe an der Lagerstütze über das Bauteil abgestützt ist, an dem der Aufnehmer zur Erfassung der Last angeordnet ist. Über das Getriebe werden in das Bauteil die an der Seiltrommel wirkenden Kräfte übertragen, so daß die Verformung des Bauteils ein Maß für die an der Seiltrommel wirkende Kraft ist.The cable drum is mounted on both sides of bearing supports. This results in a high stability and low bending forces. In particular, the drive motor is held on a bearing support and the transmission is supported on the opposite bearing support. It is envisaged that the transmission is supported on the bearing support via the component on which the sensor for detecting the load is arranged. Via the gear, the forces acting on the cable drum forces are transmitted into the component, so that the deformation of the component is a measure of the force acting on the cable drum force.

Vorteilhaft ist das Bauteil als Bolzen ausgebildet. Das Getriebe ist insbesondere ein Planetengetriebe, dessen Planetenräder an einem ortsfesten Planetenträger gelagert sind. Vorteilhaft ist der Planetenträger mit dem Bolzen drehfest verbunden. Die drehfeste Verbindung ist dabei insbesondere so ausgestaltet, daß sie eine Bewegung des Bolzens gegenüber dem Planetenträger in Richtung der Antriebsachse der Seiltrommel zuläßt. Dadurch kann der Bolzen in Richtung der Antriebsachse aus dem Planetenträger herausgezogen werden. Über die Planetenräder ist der Planetenträger in der Seiltrommel gehalten, so daß ein Entfernen des Bolzens ohne weiteres möglich ist. Vorteilhaft ist der Planetenträger mit dem Bolzen über eine Verzahnung, insbesondere über eine Kerbverzahnung drehfest verbunden. Eine Verzahnung erlaubt die Übertragung hoher Drehmomente und gleichzeitig ein Ineinanderstecken der beiden Bauteile in Richtung der Antriebsachse.Advantageously, the component is designed as a bolt. The transmission is in particular a planetary gear whose planet gears are mounted on a stationary planet carrier. Advantageously, the planet carrier is rotatably connected to the bolt. The rotationally fixed connection is in particular designed so that it allows movement of the bolt relative to the planet carrier in the direction of the drive axis of the cable drum. As a result, the bolt can be pulled out of the planet carrier in the direction of the drive axle. About the planetary gears of the planet carrier is held in the cable drum, so that removal of the bolt is readily possible. Advantageously, the planet carrier is rotatably connected to the bolt via a toothing, in particular via a serration. A toothing allows the transmission of high torques and at the same time a nesting of the two components in the direction of the drive axle.

Es ist vorgesehen, daß der Bolzen drehfest mit der Lagerstütze verbunden ist. Die drehfeste Verbindung ist dabei so ausgebildet, daß sie eine Bewegung des Bolzens gegenüber der Lagerstütze in Richtung der Antriebsachse der Seiltrommel zuläßt. Dadurch kann der Bolzen auch aus der Lagerstütze in Richtung der Antriebsachse gezogen werden. Durch die drehfeste Verbindung mit Lagerstütze und Planetenträger über jeweils eine Verzahnung ist eine einfache Austauschbarkeit des Bolzens gegeben.It is envisaged that the bolt is rotatably connected to the bearing support. The rotationally fixed connection is designed so that it allows movement of the bolt relative to the bearing support in the direction of the drive axis of the cable drum. As a result, the bolt can also be pulled out of the bearing support in the direction of the drive axle. Due to the non-rotatable connection with bearing support and planet carrier via a respective toothing a simple interchangeability of the bolt is given.

Vorteilhaft besitzt der Bolzen eine Umfangsnut, in der der Aufnehmer zur Erfassung der Last angeordnet ist. Die Umfangsnut stellt dabei insbesondere den engsten Querschnitt des Bolzens dar. Hier herrschen die größten Verformungen, so daß ein ausreichend großes Meßsignal erzeugt werden kann. Vorteilhaft ist der Bolzen in einem ersten Bereich drehfest mit der Lagerstütze und in einem zweiten Bereich drehfest mit dem Planetenträger verbunden, wobei die Umfangsnut zwischen dem ersten und dem zweiten Bereich angeordnet ist. Die Umfangsnut, in der der Aufnehmer angeordnet ist, liegt damit in dem Bereich, in dem das Drehmoment vom Planetenträger zur Lagerstütze übertragen wird. Vorteilhaft ist ein Aufnehmer zur Erfassung der Last ein Dehnungsmeßstreifen. Insbesondere sind vier Dehnungsmeßstreifen vorgesehen, wobei zwei Paare von Dehnungsmeßstreifen einander gegenüberliegend am Umfang der Umfangsnut angeordnet sind. Jeweils zwei Dehnungsmeßstreifen eines Paares sind um 90° zueinander versetzt angeordnet, so daß die Dehnungssignale in zueinander senkrechten Richtungen aufgenommen werden.Advantageously, the bolt has a circumferential groove in which the sensor is arranged to detect the load. The circumferential groove is in particular the narrowest cross-section of the bolt. Here prevail the largest deformations, so that a sufficiently large measurement signal can be generated. Advantageously, the pin is rotatably connected in a first region with the bearing support and in a second region rotatably connected to the planet carrier, wherein the circumferential groove between the first and the second area is arranged. The circumferential groove, in which the transducer is arranged, thus lies in the region in which the torque is transmitted from the planet carrier to the bearing support. Advantageously, a transducer for detecting the load is a strain gauge. In particular, four strain gauges are provided, wherein two pairs of strain gauges are disposed opposite to each other on the circumference of the circumferential groove. Each two strain gauges of a pair are offset by 90 ° to each other, so that the strain signals are recorded in mutually perpendicular directions.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Zeichnung erläutert. Es zeigen:

Fig. 1
eine schematische Schnittdarstellung einer Seilwinde,
Fig. 2
eine ausschnittsweise vereinfachte Schnittdarstellung der Seilwinde aus Fig. 1.
An embodiment of the invention will be explained below with reference to the drawing. Show it:
Fig. 1
a schematic sectional view of a winch,
Fig. 2
a partially simplified sectional view of the winch from Fig. 1 ,

Die in Fig. 1 gezeigte Seilwinde 1 besitzt zwei Lagerstützen 3, 4, zwischen denen eine Seiltrommel 2 angeordnet ist. Die Seiltrommel 2 ist um eine Antriebsachse 30 drehbar gelagert. Auf der Seiltrommel 2 ist ein Seil 5 aufgewickelt, das bei Drehung der Seiltrommel 2 um ihre Antriebsachse 30 je nach Drehrichtung auf- oder abgewickelt wird. Die Seiltrommel 2 ist an der Lagerstütze 3 mit einem Lager 7 an einem in die Seiltrommel 2 ragenden Bund 32 der Lagerstütze 3 gelagert. Wie Fig. 2 zeigt, ist an der der Lagerstütze 3 zugewandten Seite des Lagers 7 eine Dichtung 19 angeordnet. Zur Lagerstütze 4. hin ist der Innenraum 6 der Seiltrommel 2 offen ausgebildet. An der Lagerstütze 4 ist ein Aufnahmetopf 11 angeformt, der ins Innere der Seiltrommel 2 ragt und an dessen Außenumfang ein Lager 8 angeordnet ist, an dem sich das andere Ende der Seiltrommel 2 abstützt.In the Fig. 1 shown winch 1 has two bearing supports 3, 4, between which a cable drum 2 is arranged. The cable drum 2 is rotatably mounted about a drive shaft 30. On the cable drum 2, a cable 5 is wound, which is up or unwound on rotation of the cable drum 2 about its drive axis 30 depending on the direction of rotation. The cable drum 2 is mounted on the bearing support 3 with a bearing 7 on a projecting into the cable drum 2 collar 32 of the bearing support 3. As Fig. 2 shows, on the bearing support 3 facing side of the bearing 7, a seal 19 is arranged. To the bearing support 4. towards the interior 6 of the cable drum 2 is open. On the bearing support 4, a pot 11 is formed, which projects into the interior of the cable drum 2 and on the outer circumference of a bearing 8 is arranged, on which the other end of the cable drum 2 is supported.

In dem Aufnahmetopf 11 ist ein Antriebsmotor 9 angeordnet, der eine Antriebswelle 10 rotierend antreibt. Der Aufnahmetopf 11 ist von einer Scheibe 29 teilweise verschlossen. An der Scheibe 29 ist der Antriebsmotor 9 verschraubt. Die Scheibe 29 besitzt eine mittige Öffnung, durch die die Antriebswelle 10 ragt.In the receiving pot 11, a drive motor 9 is arranged, which drives a drive shaft 10 in rotation. The pot 11 is partially closed by a disc 29. On the disc 29 of the drive motor 9 is screwed. The disc 29 has a central opening through which the drive shaft 10 protrudes.

Der Antriebsmotor 9 treibt die Seiltrommel 2 über ein Getriebe 12 an, das als Planetengetriebe ausgebildet ist. Das Sonnenrad 13 des Planetengetriebes ist drehfest auf der Antriebswelle 10 festgelegt. Das Sonnenrad 13 treibt Planetenräder 14 an, von denen in Fig. 1 zwei gezeigt sind. Es können beispielsweise vier Planetenräder 14 vorgesehen sein. Die Planetenräder 14 sind um die Antriebsachse 30 drehfest mit der Lagerstütze 3 verbunden. Hierzu sind die Planetenräder 14 auf Lagerachsen 15 drehbar gelagert. Die Lagerachsen 15 sind an einem Planetenträger 16 festgelegt, der drehfest mit einem Bolzen 18 verbunden ist. Der Bolzen 18 ist drehfest an der Lagerstütze 3 gelagert. Der Planetenträger 16 ist somit drehfest gegenüber der Lagerstütze 3 gelagert. Die Seiltrommel 2 besitzt an ihrem Innenumfang im Bereich der Planetenräder 14 eine Verzahnung 17, mit der die Planetenräder 14 in Eingriff sind. Eine Drehung des Sonnenrads 13 bewirkt eine Drehung der Planetenräder 14 um die Lagerachsen 15. Da die Lagerachsen 15 ortsfest angeordnet sind, wird durch die Drehung der Planetenräder 14 die Seiltrommel 2 rotierend angetrieben.The drive motor 9 drives the cable drum 2 via a gear 12, which is designed as a planetary gear. The sun gear 13 of the planetary gear is fixed in rotation on the drive shaft 10. The sun gear 13 drives planet gears 14, of which in Fig. 1 two are shown. For example, four planet gears 14 may be provided. The planetary gears 14 are rotatably connected to the bearing support 3 about the drive shaft 30. For this purpose, the planetary gears 14 are rotatably mounted on bearing axles 15. The bearing shafts 15 are fixed to a planet carrier 16 which is rotatably connected to a bolt 18. The bolt 18 is rotatably mounted on the bearing support 3. The planet carrier 16 is thus rotatably mounted relative to the bearing support 3. The cable drum 2 has on its inner circumference in the region of the planet gears 14, a toothing 17, with which the planet gears 14 are engaged. A rotation of the sun gear 13 causes a rotation of the planet gears 14 about the bearing axes 15. Since the bearing axes 15 stationary are arranged, the cable drum 2 is driven in rotation by the rotation of the planet gears 14.

In Fig. 2 ist die Gestaltung des Bolzens 18 näher gezeigt. Der Bolzen 18 besitzt an seinem ins Innere der Seiltrommel 2 ragenden Ende eine Verzahnung 20, die mit einer Innenverzahnung 22 des Planetenträgers 16 zusammenwirkt. Über die Verzahnungen 20 und 22 sind der Bolzen 18 und der Planetenträger 16 drehfest miteinander verbunden.In Fig. 2 the design of the bolt 18 is shown in more detail. The bolt 18 has at its inside of the cable drum 2 projecting end a toothing 20 which cooperates with an internal toothing 22 of the planet carrier 16. About the teeth 20 and 22 of the bolt 18 and the planet carrier 16 are rotatably connected to each other.

Zur drehfesten Verbindung mit der Lagerstütze 3 besitzt der Bolzen 18 im Bereich des Bundes 32 eine Verzahnung 21, die mit einer entsprechenden Verzahnung der Lagerstütze 3 zusammenwirkt. Zwischen den Verzahnungen 20 und 21 besitzt der Bolzen 18 eine Umfangsnut 24. Der Boden der Umfangsnut 24 stellt den engsten Querschnitt des Bolzens 18 dar. Am Nutgrund der Umfangsnut 24 sind insgesamt vier Dehnungsmeßstreifen 25 angeordnet, die in Fig. 2 schematisch gezeigt sind. Jeweils zwei Dehnungsmeßstreifen sind in einem Winkel von 90° zueinander angeordnet. Die beiden Paare von Dehnungsmeßstreifen sind am Umfang des Bolzens 18 gegenüberliegend in der Umfangsnut 24 angeordnet. Der Bolzen 18 besitzt einen Kanal 28, der im Ausführungsbeispiel durch eine Längsbohrung und eine Querbohrung im Bolzen 18 gebildet ist und der die Umfangsnut 24 mit der aus der Seilwinde 1 ragenden Seite des Bolzens 18 verbindet. Durch den Kanal 28 ist eine Anschlußleitung 26 der Dehnungsmeßstreifen 25 geführt. Die Anschlußleitung 26 verbindet die Dehnungsmeßstreifen 25 mit einer Steuerung 27, die außerhalb der Seilwinde 1 angeordnet ist.For non-rotatable connection with the bearing support 3, the bolt 18 in the region of the collar 32 has a toothing 21 which cooperates with a corresponding toothing of the bearing support 3. Between the teeth 20 and 21, the pin 18 has a circumferential groove 24. The bottom of the circumferential groove 24 represents the narrowest cross section of the pin 18. At the groove bottom of the circumferential groove 24 a total of four strain gauges 25 are arranged in Fig. 2 are shown schematically. Two strain gauges are arranged at an angle of 90 ° to each other. The two pairs of strain gauges are arranged on the circumference of the bolt 18 opposite in the circumferential groove 24. The bolt 18 has a channel 28 which is formed in the embodiment by a longitudinal bore and a transverse bore in the bolt 18 and connects the circumferential groove 24 with the projecting from the winch 1 side of the bolt 18. Through the channel 28, a connecting line 26 of the strain gauges 25 is guided. The connecting line 26 connects the strain gauges 25 with a controller 27, which is arranged outside the winch 1.

Das nach außen ragende Ende des Bolzens 18 besitzt einen vergrößerten Durchmesser, der an einem Absatz 33 der Lagerstütze 3 anliegt. Im Bereich der nach außen ragenden Seite des Bolzens 18 ist ein Sicherungsring 23 angeordnet, der den Bolzen 18 in Richtung der Antriebsachse 30 fixiert. Der Durchmesser des Bolzens 18 ist im Bereich seines nach außen ragenden Endes am größten. Im Bereich der Verzahnung 21 ist der Durchmesser etwas verkleinert und verkleinert sich im Bereich der Verzahnung 20 noch weiter. Dadurch kann der Bolzen 18 von der der Seiltrommel 2 abgewandten Außenseite 31 der Lagerstütze 3 aus der Seilwinde 1 gezogen werden, nachdem der Sicherungsring 23 entfernt wurde. Der Sicherungsring 23 ist von außen zugänglich, so daß eine Demontage des Bolzens 18 auf einfache Weise möglich ist.The outwardly projecting end of the bolt 18 has an enlarged diameter, which bears against a shoulder 33 of the bearing support 3. In the region of the outwardly projecting side of the bolt 18, a securing ring 23 is arranged, which fixes the bolt 18 in the direction of the drive axle 30. The diameter of the bolt 18 is greatest in the region of its outwardly projecting end. In the area of the toothing 21, the diameter is somewhat reduced and decreases further in the area of the toothing 20. As a result, the bolt 18 can be pulled out of the winch 1 from the outer side 31 of the bearing support 3 facing away from the cable drum 2, after the securing ring 23 has been removed. The locking ring 23 is accessible from the outside, so that a disassembly of the bolt 18 in a simple manner possible.

Es können auch andere Aufnehmer zur Erfassung der Last vorgesehen sein. Die Verzahnungen 20, 21 und 22 sind insbesondere als Kerbverzahnungen ausgebildet. Es können jedoch auch andere Arten der Verzahnung vorgesehen sein, die ein Herausziehen des Bolzens 18 aus der Seilwinde 1 erlauben.There may also be other sensors for detecting the load. The toothings 20, 21 and 22 are designed in particular as serrations. However, other types of teeth may be provided which allow pulling out of the bolt 18 from the winch 1.

Claims (14)

  1. Rope winch with a rope drum (2), which is held rotatably on both sides at bearing supports (3, 4) around a drive axis (30) and can be driven around its drive axis (30) by a drive motor (9) via a gearing (12), wherein the drive motor (9) is held at a bearing support (4), and the gearing (12) is supported at the opposite bearing support (3), wherein the rope winch (1) has at least one sensor for sensing the load on the rope drum (2), which is arranged at a component, which is arranged in an exchangeable manner at the rope winch (1) without disassembly of a bearing support (3, 4),
    characterised in that the gearing (12) is supported on the bearing support (3) via the component, on which the sensor for sensing the load is arranged.
  2. Rope winch according to claim 1,
    characterised in that the component penetrates the bearing support (3).
  3. Rope winch according to claim 1 or 2,
    characterised in that the sensor has a connection line (26) for connection to a control (27), wherein the connection line (26) is guided from the rope winch (1) through a channel (28) formed in the component.
  4. Rope winch according to one of claims 1 to 3,
    characterised in that the position of the component at the bearing support (3) is secured with securing means, which are accessible from the outer side (31) of the bearing support (3) turned away from the rope drum (2).
  5. Rope winch according to one of claims 1 to 4,
    characterised in that the component consists of a material different to the bearing support (3, 4).
  6. Rope winch according to one of claims 1 to 5,
    characterised in that the bearing support (3, 4) consists of cast material, especially grey cast iron.
  7. Rope winch according to one of claims 1 to 6,
    characterised in that the component is formed as a bolt (18).
  8. Rope winch according to one of claims 1 to 7,
    characterised in that the gearing (12) is a planetary gear, whose planet wheels (16) are mounted to a fixed planet-wheel carrier (16).
  9. Rope winch according claim 8,
    characterised in that the planet-wheel carrier (16) is connected to the bolt (18) in a torque-proof manner, wherein the torque-proof connection permits a movement of the bolt (18) with regard to the planet-wheel carrier (16) in the direction of the drive axis (30) of the rope drum (2).
  10. Rope winch according claim 9,
    characterised in that the planet-wheel carrier (16) is connected to the bolt (18) via a gearing (20), especially a serration gearing in a torque-proof manner.
  11. Rope winch according to one of claims 7 to 10,
    characterised in that the bolt (18) is connected to the bearing support (3) in a torque-proof manner, wherein the torque-proof connection permits a movement of the bolt (18) with regard to the bearing support (3) in the direction of the drive axis (30) of the rope drum (2).
  12. Rope winch according to one of claims 7 to 11,
    characterised in that the bolt (18) has a peripheral groove (24), in which the sensor for sensing the load is arranged.
  13. Rope winch according claim 12,
    characterised in that the bolt (18) is connected to the bearing support (3) in a torque-proof manner in a first region, and to the planet-wheel carrier (18) in a torque-proof manner in a second region, and that the peripheral groove (24) is arranged between the first and the second region.
  14. Rope winch according to one of claims 1 to 13,
    characterised in that a sensor for sensing the load is a strain gauge (25).
EP06018165A 2006-08-31 2006-08-31 Winch Active EP1897840B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES06018165T ES2339961T3 (en) 2006-08-31 2006-08-31 CABLE LATHE.
EP06018165A EP1897840B1 (en) 2006-08-31 2006-08-31 Winch
DE502006005983T DE502006005983D1 (en) 2006-08-31 2006-08-31 winch
CN2007101422481A CN101134554B (en) 2006-08-31 2007-08-31 Winch
US11/848,299 US7658370B2 (en) 2006-08-31 2007-08-31 Rope winch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06018165A EP1897840B1 (en) 2006-08-31 2006-08-31 Winch

Publications (2)

Publication Number Publication Date
EP1897840A1 EP1897840A1 (en) 2008-03-12
EP1897840B1 true EP1897840B1 (en) 2010-01-20

Family

ID=37671211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06018165A Active EP1897840B1 (en) 2006-08-31 2006-08-31 Winch

Country Status (5)

Country Link
US (1) US7658370B2 (en)
EP (1) EP1897840B1 (en)
CN (1) CN101134554B (en)
DE (1) DE502006005983D1 (en)
ES (1) ES2339961T3 (en)

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Also Published As

Publication number Publication date
CN101134554A (en) 2008-03-05
US20080054237A1 (en) 2008-03-06
CN101134554B (en) 2011-12-14
ES2339961T3 (en) 2010-05-27
DE502006005983D1 (en) 2010-03-11
US7658370B2 (en) 2010-02-09
EP1897840A1 (en) 2008-03-12

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