EP2444353B1 - Suspension device for lifting chains - Google Patents

Suspension device for lifting chains Download PDF

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Publication number
EP2444353B1
EP2444353B1 EP11008433.2A EP11008433A EP2444353B1 EP 2444353 B1 EP2444353 B1 EP 2444353B1 EP 11008433 A EP11008433 A EP 11008433A EP 2444353 B1 EP2444353 B1 EP 2444353B1
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EP
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Prior art keywords
locking plate
recess
suspension device
carrier piece
chain link
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EP11008433.2A
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German (de)
French (fr)
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EP2444353A1 (en
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Ernst-günther Kröger
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/125—Chain-type slings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines
    • 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
    • B66D3/26—Other details, e.g. housings

Description

Die Erfindung betrifft eine Einhängevorrichtung für Hebezeugketten.The invention relates to a suspension device for hoist chains.

Hebezeugketten, beispielsweise Rundstahl-Hebezeugketten sind aus einer Reihe von Anwendungsbereichen bekannt. Insbesondere im Arbeitsbereich von Windenergieanlagen werden zur Ausführung von Wartungs-, Montage-, Reparaturarbeiten und anderen Serviceleistungen mit Hebezeugketten ausgerüstete Serienhubwerke verwendet, die häufig in oder an der Gondel der Windenergieanlagen dauerhaft angebracht sind. Bei Nabenhöhen von bis zu 125 Metern oder höher ergeben sich für die internen Serienhubwerke lange Hakenleerfahrten "abwärts" und Hubbewegungen im Nennlastbereich "aufwärts". Diese Hubbewegungen führen zur Motorerwärmung der Serienhubwerke und fordern entsprechende Abkühlphasen zu Lasten der Arbeitslaufzeiten.Hoist chains, such as round steel hoist chains, are known from a number of applications. In particular, in the work area of wind turbines equipped for carrying out maintenance, installation, repair work and other services with hoist chains equipped Serienhubwerke used, which are often permanently mounted in or on the nacelle of the wind turbines. With hub heights of up to 125 meters or higher, long idle runs for the internal production hoists result "downwards" and lifting movements in the nominal load range "upwards". These strokes lead to engine heating of the series hoists and demand corresponding cooling phases at the expense of the working times.

Die Befestigung von Lasten an Hebezeugketten erfolgt beispielsweise mittels der aus der US 4,060,269 A , DE 84 00 344 U1 , EP 1 043 264 A2 oder der GB 955,824 A bekannten Einrichtungen. Eine Einhanjevorrichtung für Hebezeugketten ist z.B. in DE 3319773 A offenbart.The attachment of loads on hoist chains, for example, by means of the US 4,060,269 A . DE 84 00 344 U1 . EP 1 043 264 A2 or the GB 955,824 A known facilities. A Einhanjevorrichtung for hoist chains is eg in DE 3319773 A disclosed.

Aber auch bei Fahrten mit belegtem Anschlagpunkt, also mit einer an den Haken angehängten Last, ist oftmals die volle Hebeleistung der Hubwerke nicht ausgeschöpft, sodass häufig mehrere Fahrten und lange Stillstandzeiten der Windenergieanlage in Kauf genommen werden müssen.But even when driving with occupied anchor point, so with an attached hook to the hook, often the full lifting capacity of the hoists is not exhausted, so often several trips and long downtime of the wind turbine must be taken into account.

Aufgabe der Erfindung ist es daher, die Effektivität der vorgenannten Serienhubwerke zu steigern und Leerfahrten zu vermeiden.The object of the invention is therefore to increase the effectiveness of the aforementioned Serienhubwerke and to avoid empty runs.

Diese Aufgabe wird einerseits durch die Einhängevorrichtung mit den Merkmalen von Anspruch 1, andererseits durch die Einhängevorrichtung mit den Merkmalen des nebengeordneten Anspruchs 2 gelöst. Die Unteransprüche geben jeweils vorteilhafte Ausgestaltungen der Erfindung wieder.This object is achieved on the one hand by the suspension device with the features of claim 1, on the other hand by the suspension device with the features of the independent claim 2. The dependent claims give each advantageous embodiments of the invention.

Grundgedanke der Erfindung ist es, zusätzlich zum am freien Ende der Hebezeugkette angeordneten Anschlagpunkt, z.B. einem Haken, eine Vorrichtung bereitzustellen, die oberhalb des Hakens in die Kette eingehängt und von dieser wieder mit wenigen Handgriffen abgebaut werden kann und an der weitere Lasten befestigt werden können.The basic idea of the invention is, in addition to the stop point arranged at the free end of the hoist chain, e.g. a hook to provide a device that can be suspended above the hook in the chain and can be dismantled from this again with a few simple steps and can be attached to the other loads.

Dieses kann einerseits gemäß Anspruch 1 dadurch erfolgen, dass ein Tragstück mit einer sich vom Außenumfang des Tragstücks durch die Länge des Tragstücks zur Mitte des Tragstücks erstreckenden schlitzförmigen ersten Ausnehmung zur Aufnahme eines ersten Kettenglieds vorgesehen wird. Darüber oder darunter wird eine Verriegelungsplatte angeordnet, die eine sich quer zur ersten Ausnehmung des Tragstücks vom Außenumfang der Verriegelungsplatte durch die Länge der Verriegelungsplatte zur Mitte der Verriegelungsplatte erstreckende schlitzförmige zweite Ausnehmung aufweist, die zur Aufnahme eines dem ersten Kettenglied benachbarten zweiten Kettenglieds eingerichtet ist. Dabei sind die schlitzförmigen Ausnehmungen so dimensioniert, dass die Kettenglieder nur mit ihrer schmalen Seite in die Ausnehmungen eingeführt werden können. Nach Verbinden des Tragstücks mit der Verriegelungsplatte ist die Kette vor einem Herausrutschen aus einer der Ausnehmungen gesichert und eine (zusätzliche) Last kann an den wenigstens einen Anschlagpunkt angehängt werden, der mit dem Tragstück und/oder der Verriegelungsplatte verbunden ist. Die Einhängevorrichtung lastet dann also auf wenigstens einem Kettenglied, dass quer zu einer der Ausnehmungen orientiert sind.This can be done on the one hand according to claim 1, characterized in that a support piece is provided with a extending from the outer periphery of the support piece through the length of the support piece to the center of the support piece extending slot-shaped first recess for receiving a first chain link. Above or below a locking plate is arranged, which has a transverse to the first recess of the support piece from the outer periphery of the locking plate by the length of the locking plate to the center of the locking plate extending slot-shaped second recess which is adapted to receive a second chain member adjacent the first chain link. The slot-shaped recesses are dimensioned so that the chain links can be inserted only with their narrow side in the recesses. After connecting the support piece with the locking plate, the chain is secured against slipping out of one of the recesses and an (additional) load can be attached to the at least one attachment point, which is connected to the support piece and / or the locking plate. The suspension device then loads so on at least one chain link that are oriented transversely to one of the recesses.

Eine alternative Ausgestaltung ergibt sich aus Anspruch 2, die anhand eines in den beiliegenden Zeichnungen dargestellten, besonders bevorzugt ausgestalteten Ausführungsbeispiels näher erläutert wird. Es zeigen:

Fig. 1
eine perspektivische Ansicht der an eine Rundstahl-Hebezeugkette angehängten Einhängevorrichtung nach der Erfindung;
Fig. 2
Ansichten des Griffstücks der Einhängevorrichtung in Draufsicht (A), im Querschnitt (B) und in einer Schnittansicht entlang der Linie A-A (C);
Fig. 3
Ansichten der Verriegelungsplatte der Einhängevorrichtung in Draufsicht (A) und in Seitenansicht (B); und
Fig. 4
Ansichten des Tragstücks der Einhängevorrichtung in einer Seitenansicht (A), in Draufsicht (B) und in einer Schnittansicht entlang der Linie A-A (C).
An alternative embodiment results from claim 2, which is explained in more detail with reference to an embodiment shown in the accompanying drawings, particularly preferred embodiment. Show it:
Fig. 1
a perspective view of the attached to a round steel Hoist chain suspension device according to the invention;
Fig. 2
Views of the handle of the suspension device in plan view (A), in cross section (B) and in a sectional view along the line AA (C).
Fig. 3
Views of the locking plate of the suspension device in plan view (A) and in side view (B); and
Fig. 4
Views of the supporting piece of the suspension device in a side view (A), in plan view (B) and in a sectional view along the line AA (C).

Fig. 1 zeigt eine perspektivische Ansicht der an eine Rundstahl-Hebezeugkette angehängten Einhängevorrichtung nach der Erfindung. Die Einhängevorrichtung 10 ist an einer Rundstahl-Hebezeugkette 20 befestigt. Die Einhängevorrichtung 10 besteht aus einem Griffstück 30, das bevorzugt aus Polyoxymethylen-(POM)-Kunststoff besteht und gleichzeitig als Puffer für die Hebezeugkette 20 dient. Unterhalb des Griffstücks 30 ist eine Verriegelungsplatte 40 zum Verriegeln der in dem unterhalb der Verriegelungsplatte 40 angeordneten Tragstück 50 geführten Hebezeugkette 20 angeordnet. Das Tragstück 50 wiederum weist zwei als Rundbügel ausgebildete Anschlagpunkte 60 auf, in die mittels Karabinern 70 eine Last, z.B. Toolbags, an die Einhängevorrichtung und somit an die Hebezeugkette angehängt sind. Fig. 1 shows a perspective view of the attached to a round steel hoist chain suspension device according to the invention. The suspension device 10 is attached to a round steel hoist chain 20. The suspension device 10 consists of a handle 30, which preferably consists of polyoxymethylene (POM) plastic and also serves as a buffer for the hoist chain 20. Below the handle 30, a lock plate 40 is arranged for locking the hoist chain 20 guided in the support piece 50 arranged below the lock plate 40. The support piece 50, in turn, has two attachment points 60 designed as round brackets, in which a load, eg toolbags, are attached to the suspension device and thus to the hoisting gear chain by means of carabiners 70.

Die Elemente der Einhängevorrichtung 10 werden im Einzelnen erläutert:The elements of the suspension device 10 are explained in detail:

Fig. 2 zeigt das Griffstück 30 der Einhängevorrichtung 10 in Draufsicht (A), im Querschnitt (B) und in einer Schnittansicht entlang der Linie A-A (C). Das Griffstück 30 weist eine sich vom Außenumfang des Griffstücks 30 durch die Länge des Griffstücks 30 zur Mitte des Griffstücks 30 erstreckende schlitzförmige Ausnehmung 30a auf, in der die Hebezeugkette 20 geführt ist. Das Griffstück 30 weist, wie auch die Verriegelungsplatte 40 und das Tragstück 50, eine kreisförmige Grundfläche auf und ist von zylindrischer Gestalt, wobei die vorgenannten Elemente 30, 40, 50 jeweils symmetrisch aufgebaut sind. Fig. 2 shows the handle 30 of the suspension device 10 in plan view (A), in cross-section (B) and in a sectional view along the line AA (C). The gripping piece 30 has a slot-shaped recess 30a extending from the outer circumference of the gripping piece 30 through the length of the gripping piece 30 to the middle of the gripping piece 30, in which the hoisting chain 20 is guided. The handle 30 has, as well as the locking plate 40 and the support piece 50, a circular base and is of cylindrical shape, wherein the aforementioned elements 30, 40, 50 are each constructed symmetrically.

Dadurch, dass die Kette 20 durch die Elemente 30, 40, 50 mittig durchgeführt und die Elemente im Übrigen symmetrisch ausgebildet sind, wird eine optimale Lastverteilung ermöglicht.Characterized in that the chain 20 performed centrally by the elements 30, 40, 50 and the elements are otherwise formed symmetrically, an optimal load distribution is possible.

Insbesondere können im Griffstück 30 vier symmetrisch verteilte, sich axial erstreckende Ausnehmungen 30b vorhanden sein, in denen die Befestigungselemente der sich axial durch das Tragstück 50 und die Verriegelungsplatte 40 erstreckenden Anschlagpunkte 60 angeordnet sind. Das Griffstück 30 selbst ist wiederum mittels geeigneter durch die symmetrisch angeordneten Bohrungen 30c geführten Befestigungsmittel mit der Verriegelungsplatte 40 (lösbar), dort mit beispielsweise der Gewindebohrung 40c, verbunden.In particular, four symmetrically distributed, axially extending recesses 30 b may be present in the handle 30, in which the fastening elements of the axially extending through the support piece 50 and the locking plate 40 stop points 60 are arranged. The handle 30 itself is in turn by means of suitable guided by the symmetrically arranged holes 30c fastener with the locking plate 40 (releasably), there with, for example, the threaded hole 40c connected.

Die Verriegelungsplatte 40, die in Fig. 3 gezeigt ist, ist nun bevorzugt so ausgebildet, dass die in der Verriegelungsplatte 40 vorgesehene (zweite) Ausnehmung 40a sowohl mit der Ausnehmung 30a des Griffstücks 30 als auch mit der (ersten) Ausnehmung 50a des Tragstücks 50 fluchtet und die gleiche Länge aufweist. Um ein Herausrutschen der Kette 20 aus der Vorrichtung 10, insbesondere der (ersten) Ausnehmung 50a des Tragstücks 50 zu verhindern, ist eine sich mit der (zweiten) Ausnehmung 40a der Verriegelungsplatte 40 kreuzende (dritte) Ausnehmung 40a' vorgesehen, die ein (zweites) Kettenglied aufnimmt, das einem (ersten) Kettenglied benachbart ist, das von der (ersten) Ausnehmung 50a des Tragstücks 50 aufgenommen ist. Da benachbarte Kettenglieder der Hebezeugkette 20 aufeinander senkrecht stehen, wird die Kette 20 durch die Verriegelungsplatte 40 an einem Herausrutschen aus der (ersten) Ausnehmung 50a des Tragstücks 50 gehindert.The lock plate 40, which is in Fig. 3 is shown, is now preferably formed so that provided in the locking plate 40 (second) recess 40a is aligned with both the recess 30a of the handle 30 and with the (first) recess 50a of the support piece 50 and has the same length. In order to prevent the chain 20 from slipping out of the device 10, in particular the (first) recess 50a of the support piece 50, a (third) recess 40a 'intersecting the (second) recess 40a of the locking plate 40 is provided which has a (second ) Receives a chain link which is adjacent to a (first) chain link received by the (first) recess 50a of the support piece 50. Since adjacent links of the hoist chain 20 are perpendicular to each other, the chain 20 is prevented by the locking plate 40 from slipping out of the (first) recess 50 a of the support piece 50.

Die Verriegelungsplatte 40 weist weiterhin auch symmetrisch angeordnete Durchführungen 40b für die Anschlagpunkte 60 auf.The locking plate 40 also has symmetrically arranged passages 40b for the attachment points 60.

Schließlich zeigt Fig. 4 Ansichten des Tragstücks 50 der Einhängevorrichtung 10 in einer Seitenansicht (A), in Draufsicht (B) und in einer Schnittansicht entlang der Linie A-A (C). Das Tragstück 50 weist eine sich vom Außenumfang des Tragstücks 50 durch die Länge des Tragstücks zur Mitte des Tragstücks 50 erstreckende schlitzförmige (erste) Ausnehmung 50a zur Aufnahme eines dem (zweiten) Kettenglied, das von der quer zur schlitzförmigen (ersten) Ausnehmung des Tragstücks 50 angeordneten (dritten) Ausnehmung 40a der Verriegelungsplatte 40 aufgenommen ist, benachbarten (ersten) Kettenglieds auf.Finally shows Fig. 4 Views of the support piece 50 of the suspension device 10 in a side view (A), in plan view (B) and in a sectional view along the line AA (C). The support piece 50 has a slot-shaped (first) recess 50a extending from the outer circumference of the support piece 50 through the length of the support piece to the center of the support piece 50 for receiving a (second) chain link extending from the transversely to the slot-shaped (first) recess of the support piece 50 arranged (third) recess 40 a of the locking plate 40 is received, adjacent (first) chain link on.

Die Ausnehmung 50a kann so ausgebildet sein, dass diese sich ober- und/oder unterhalb eines in Längsrichtung gesehen mittleren Abschnitts quer zum Schlitz verbreitert, sodass zum von dieser Ausnehmung 50a aufgenommenen (ersten) Kettenglied benachbarte quer stehende weitere Kettenglieder vom Tragstück 50 unbeeinflusst bleiben.The recess 50a may be formed such that it widens transversely to the slot above and / or below a longitudinally viewed middle section, so that neighboring transverse further chain links from the support piece 50 remain unaffected to the (first) chain link received by this recess 50a.

Das Tragstück 50 weist weiter bevorzugt vier axiale Durchführungen 50b zur Aufnahme der als Rundbügel ausgebildeten Anschlagpunkte 60 auf.The support piece 50 further preferably has four axial passages 50b for receiving the stop points 60 designed as round clips.

Die Einhängevorrichtung 10 wird schließlich auch vor einem unbeabsichtigten Öffnen dadurch gesichert, dass die Rundbügel 60 so ausgebildet sind, dass Verriegelungsplatte 40 und Tragstück 50 nur dann voneinander getrennt und die Kette 20 aus der Vorrichtung 10 herausgeführt werden können, wenn die Karabiner 70 nicht in den Rundbügeln 60 eingesetzt sind.The suspension device 10 is finally secured against unintentional opening, characterized in that the round bracket 60 are formed so that locking plate 40 and support member 50 only separated from each other and the chain 20 can be led out of the device 10 when the carabiner 70 is not in the Round bars 60 are used.

Die mit dem Hebezeug zu hebende Last kann neben dem am zentral an der Hebezeugkette 20 befestigten Anschlagpunkt, z.B. einem Haken, zusätzlich an den Karabinern 70 befestigt werden. Hierfür bieten sich beispielsweise Toolbags an. Dabei ist darauf zu achten, dass das zulässige Gesamtgewicht nicht überschritten wird.The load to be lifted by the hoist may be adjacent to the anchorage point secured centrally on the hoist chain 20, e.g. a hook, in addition to the carabiners 70 are attached. For example, toolbags are suitable for this purpose. It is important to ensure that the permissible total weight is not exceeded.

Beispiel:Example:

Für den Einbau der Einhängevorrichtung in die Hebezeugkette wird die rechte Hand durch eine an der Einhängevorrichtung angebrachte Sicherungsschlaufe gesteckt und das Griffstück 30 aus schwarzem POM-Kunststoff hochgeschoben, um das System zu öffnen - die Sicherungsschlaufe verhindert ein Herabfallen der Einhängevorrichtung. In diesem Zustand wird die Hebezeugkette so weit über die Mitte der Vorrichtung bis zum Anschlag geschoben, bis sich die Verriegelungsplatte 40 mit den Bügeln 60 absenken lässt. Die Hand aus der geöffneten Schlaufe ziehen. Die beiden Karabinerhaken von "innen" nach "außen" durch die Bügel stecken und am jeweiligen anderen Ende die Griffschlaufen der Toolbags (immer zwei pro Toolbag) in die unteren Karabinerhaken stecken.For installation of the suspension device in the hoist chain, the right hand is inserted through a attached to the suspension device securing loop and the handle 30 made of black POM plastic pushed up to open the system - the security loop prevents the hanging device from falling down. In this state, the Hoist chain is pushed so far over the center of the device until it stops, until the locking plate 40 can be lowered with the straps 60. Pull the hand out of the open loop. Insert the two carabiner hooks from "inside" to "outside" through the stirrups and insert the handle loops of the toolbags (always two per toolbag) into the lower carabiner hooks at the other end.

Der Ausbau der Einhängevorrichtung aus der Hebezeugkette erfolgt grundsätzlich in umgekehrter Reihenfolge. Dabei wird die rechte Hand wieder durch die Sicherungsschlaufe gesteckt und das Griffstück 30 hochgeschoben, um das System 10 zu öffnen. Dabei ist immer darauf zu achten, dass es zu keinem Lastabsturz kommen kann.The removal of the suspension device from the Hoist chain is always in reverse order. The right hand is again inserted through the securing loop and the handle 30 is pushed up to open the system 10. It is always important to ensure that there can be no load crash.

Mit der Vorrichtung nach der Erfindung ist es möglich, Lasten zusätzlich zu einer bereits an einem Anschlagpunkt einer Hebezeugkette befestigten Last weitere Lasten einfach und sicher zu befestigen. Dadurch können Mehrfachfahrten verhindert, die Arbeitsgeschwindigkeit, z.B. bei Reparaturen an Windenergieanlagen, erhöht und Stillstandzeiten der Windenergieanlagen verringert werden.With the device according to the invention, it is possible to easily and safely fasten loads in addition to a load already attached to an attachment point of a hoist chain. As a result, multiple trips can be prevented, the working speed, e.g. in repairs to wind turbines, increases and downtime of the wind turbines are reduced.

Claims (8)

  1. A suspension device for lifting chains,
    characterized by
    - a carrier piece with a first slot-like recess extending from the outer circumference of the carrier piece through the length of the carrier piece to the middle of the carrier piece for receiving a first chain link;
    - a locking plate arranged above or below the carrier piece with a second slot-like recess extending transverse to the first recess of the carrier piece from the outer circumference of the locking plate through the length of the locking plate to the middle of the locking plate for receiving a second chain link adjacent to the first chain link;
    - a connecting means for releasably connecting the carrier piece and the locking plate; and
    - at least one attachment point arranged on the carrier piece or on the locking plate.
  2. The suspension device (10) for lifting chains (20),
    characterized by
    - a carrier piece (50) with a first slot-like recess (50a) extending from the outer circumference of the carrier piece (50) through the length to the middle of the carrier piece (50) for receiving a first chain link;
    - a locking plate (40) arranged above or below the carrier piece (50) with a second slot-like recess (40a) that is flush with the first recess (50a) of the carrier piece (50) and extends from the outer circumference of the locking plate (40) through the length to the middle of the locking plate (40), and a third recess (40a') intersecting the second recess for receiving a second chain link adjacent to the first chain link;
    - a connecting means (60) for releasably connecting the carrier piece (50) and the locking plate (40); and
    - at least one attachment point (60) arranged on the carrier piece (50) or on the locking plate (40).
  3. The suspension device (10) according to Claim I or 2, characterized in that the attachment point (60) is the connection means (60).
  4. The suspension device (10) according to one of the preceding claims, characterized in that the first recess (50a) is widened transverse to the recess above and/or below a section that is central when viewed in the longitudinal direction, for receiving a section of a chain link positioned transverse to the recess (50a).
  5. The suspension device (10) according to one of the preceding claims, characterized in that the attachment point (60) is a round steel U-bolt (60).
  6. The suspension device (10) according to one of the preceding claims, characterized in that a karabiner (70) is inserted into the attachment point (60).
  7. The suspension device (10) according to one of the preceding claims, characterized by a handle piece (30) connected to the locking plate (40).
  8. The suspension device (10) according to one of the preceding claims, characterized by a belay loop connected to the carrier piece (50) and/or the locking plate (40).
EP11008433.2A 2010-10-25 2011-10-20 Suspension device for lifting chains Active EP2444353B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010014589U DE202010014589U1 (en) 2010-10-25 2010-10-25 Suspension device for hoist chains

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Publication Number Publication Date
EP2444353A1 EP2444353A1 (en) 2012-04-25
EP2444353B1 true EP2444353B1 (en) 2013-05-29

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DE (1) DE202010014589U1 (en)
DK (1) DK2444353T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114148566A (en) * 2021-12-06 2022-03-08 中煤张家口煤矿机械有限责任公司 Binding adjustment tensioner and tensioning method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319773A1 (en) * 1983-05-27 1984-11-29 Rud-Kettenfabrik Rieger & Dietz Gmbh U. Co, 7080 Aalen COMPONENT FOR ROUND LINK CHAINS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB955824A (en) * 1960-10-11 1964-04-22 Harley Patents Int Chain guiding and gripping devices
US4060269A (en) * 1975-04-15 1977-11-29 Werner Rieger Equalizing head for chain slings
DE8400344U1 (en) * 1984-01-07 1985-05-02 Eisen- Und Drahtwerk Erlau Ag, 7080 Aalen Loop chain for looping long goods
EP1043264A2 (en) * 1999-04-01 2000-10-11 Morris Material Handling Limited Stopper devices

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319773A1 (en) * 1983-05-27 1984-11-29 Rud-Kettenfabrik Rieger & Dietz Gmbh U. Co, 7080 Aalen COMPONENT FOR ROUND LINK CHAINS

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DK2444353T3 (en) 2013-07-29
EP2444353A1 (en) 2012-04-25

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