EP1924520B1 - Combination double bottom hook block - Google Patents

Combination double bottom hook block Download PDF

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Publication number
EP1924520B1
EP1924520B1 EP06791324A EP06791324A EP1924520B1 EP 1924520 B1 EP1924520 B1 EP 1924520B1 EP 06791324 A EP06791324 A EP 06791324A EP 06791324 A EP06791324 A EP 06791324A EP 1924520 B1 EP1924520 B1 EP 1924520B1
Authority
EP
European Patent Office
Prior art keywords
pulley
double bottom
rocker
bottom hook
hook block
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.)
Not-in-force
Application number
EP06791324A
Other languages
German (de)
French (fr)
Other versions
EP1924520A1 (en
Inventor
Hans-Peter Franzen
Alfred Boes
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.)
Tadano Demag GmbH
Original Assignee
Terex Demag 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 Terex Demag GmbH filed Critical Terex Demag GmbH
Publication of EP1924520A1 publication Critical patent/EP1924520A1/en
Application granted granted Critical
Publication of EP1924520B1 publication Critical patent/EP1924520B1/en
Not-in-force 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
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • 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
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks

Definitions

  • the invention relates to a combination double bottom bottle, in which two roller blocks are connected to each other with a plurality of pulleys by means of a rocker, wherein on the rocker a load hook is mounted.
  • a lower bottle will be in the DE 3736287 A disclosed.
  • double bottom bottles need two roller blocks, which are connected to each other with a certain distance by a rocker.
  • rocker By means of this rocker can be compensated for in the double bottom bottle compensation operations within the bottom block when using two hoisting ropes.
  • reel blocks can be converted to a half-size single sub-bottle by moving one reel block into the center of the bottom block and removing the other reel block.
  • the two roll blocks of a double bottom bottle thus almost always contain an odd number of pulleys.
  • the object of the invention is to eliminate this problem.
  • each of these hoisting ropes is passed over a roller block and that to achieve the same load carrying capacity when using only one hoist rope, this is additionally passed over a mounted between the two roller blocks flying role, said In addition, the two roller blocks are secured against tilting.
  • the essence of the invention thus lies in the utilization of the fact that the conventional double bottom bottle in the geometric center of its housing usually has a receiving bore for one of the two roller blocks or at least one geometric gap exists.
  • the bottom block is used as a double bottom bottle in double-rope operation, this image is unused.
  • roller blocks of the lower block do not need to be removed as described previously, or offset, but only be locked by bolts.
  • the additional pulley can be bolted to the free receptacle in the middle of the swingarm.
  • the operator may be able to save a third winch, or a larger individual base.
  • the manufacturer can offer a larger number of applications with a bottom bottles.
  • FIG. 2 shows a conventional design of a double lower bottle 1, in which two roller blocks 2 and 3 are connected via the rocker 4. From the drawn rope guide it can be seen that in this case two hoisting ropes 5 and 6 are provided.
  • the load hook connected to the rocker 4 is designated 10.
  • This double bottom flap is designed, for example, for a load of 2x160 t.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Jib Cranes (AREA)

Abstract

The invention relates to a combination double bottom hook block in which two pulley blocks (2, 3) each with a plurality of pulleys are connected to one another by means of a rocker (1), a load hook being mounted in a pivotable manner on the rocker. If use is made here of two lifting cables, each of these lifting cables is led over a pulley block (2, 3) and, in order to achieve the same loading capability if use is made of just one lifting cable, the latter is led, in addition, over a floating pulley (2) which is mounted between the two pulley blocks (2, 3), the two pulley blocks (2, 3) also being secured against tilting.

Description

Die Erfindung betrifft eine Kombinations-Doppelunterflasche, bei der zwei Rollenblöcke mit jeweils mehreren Seilrollen mittels einer Schwinge miteinander verbunden sind, wobei an der Schwinge ein Lasthaken gelagert ist. Eine solche Unterflasche wird in der DE 3736287 A offenbart.The invention relates to a combination double bottom bottle, in which two roller blocks are connected to each other with a plurality of pulleys by means of a rocker, wherein on the rocker a load hook is mounted. Such a lower bottle will be in the DE 3736287 A disclosed.

Bisher muss ein Kranbetreiber aufgrund der diversen Traglast - und Auslegerlängenkombinationen für einige Lastfälle eine Doppelunterflasche verwenden.Up to now, a crane operator has had to use a double bottom bottle for some load cases due to the various load capacity and boom length combinations.

Bei kurzen Auslegersystemen kann der Betreiber allerdings auch mit einer Hubwinde arbeiten.For short boom systems, however, the operator can also work with a hoist winch.

Bei konventionellen Unterflaschen führt dies - nach Umbau der üblichen Doppelunterflasche - zu einer Halbierung der möglichen Traglast.In conventional bottom bottles this leads - after conversion of the usual double bottom bottle - to a halving of the possible load.

Wenn der Betreiber am Auslegen höhere Traglasten als 50 % der Nenntraglast heben will, dann muss er eine weitere größere Einzelunterflasche einsetzen oder mit einer Doppelunterflasche arbeiten.If the operator wants to lift loads higher than 50% of the rated load, then he will have to use another larger single base bottle or work with a double bottom bottle.

Doppelunterflaschen benötigen aber zwei Rollenblöcke, die mit einem gewissen Abstand voneinander über eine Schwinge miteinander verbunden sind.But double bottom bottles need two roller blocks, which are connected to each other with a certain distance by a rocker.

Mittels dieser Schwinge werden bei der Doppelunterflasche Ausgleichsvorgänge innerhalb der Unterflasche bei der Verwendung von zwei Hubseilen zu ermöglicht.By means of this rocker can be compensated for in the double bottom bottle compensation operations within the bottom block when using two hoisting ropes.

Diese Rollenblöcke, können durch das Versetzen des einen Rollenblockes in die Mitte der Unterflasche und das Ausbauen des anderen Rollenblockes zu einer halb so großen Einzelunterflasche umgebaut werden.These reel blocks can be converted to a half-size single sub-bottle by moving one reel block into the center of the bottom block and removing the other reel block.

Damit halbiert sich allerdings auch die nominelle Traglast um 50 %, also beispielsweise von 320 t auf 160 t.However, this also halves the nominal load by 50%, for example from 320 t to 160 t.

Werden zur Verwendung eines Hubseiles die beiden Rollenblöcke gesperrt, muss die dabei zwischen den Rollenblöcken verbleibende Lücke übersprungen werden.If the two roller blocks are locked to use a hoist rope, the remaining gap between the roller blocks must be skipped.

Dies führt im Allgemeinen zu hohen Ablenkwinkeln, welche nur durch eine Vergrößerung des Abstandes zwischen dem Rollenblock des Kranes und der Unterflasche wieder verkleinert werden können.This generally leads to high deflection angles, which can be reduced again only by increasing the distance between the roller block of the crane and the lower block.

Dies führt ungewünscht zu einer Reduzierung der möglichen Hubhöhe.This undesirably leads to a reduction of the possible lifting height.

Bei jeder Einscherung ist darüber hinaus darauf zu achten, dass das Momentengleichgewicht um die Mittelachse der Unterflasche hergestellt ist.For each reeving, care must also be taken to ensure that the moment equilibrium is established around the central axis of the lower block.

Es hat sich dabei immer wieder gezeigt, dass es sehr günstig ist, wenn eine Seilrolle in der geometrischen Mitte der Unterflasche angeordnet ist.It has been shown time and again that it is very advantageous if a pulley is arranged in the geometric center of the lower block.

Diese verhält sich bezüglich des Momenten Verhältnisses der Einscherung neutral.This is neutral with respect to the moment ratio of the reeving.

Die beiden Rollenblöcke einer Doppelunterflasche enthalten somit fast immer eine ungerade Zahl an Seilrollen.The two roll blocks of a double bottom bottle thus almost always contain an odd number of pulleys.

Wird die Doppelunterflasche nun gesperrt, entsteht aus den beiden Rollenblöcken mit z.B. 5 Seilrollen, eine große Einzelunterflasche mit ungünstigen 10 Seilrollen und einer Lücke in der geometrischen Mitte dieser Unterflasche.If the double bottom bottle is now locked, arises from the two roll blocks with e.g. 5 rope pulleys, one big single bottom bottle with unfavorable 10 pulleys and a gap in the geometric center of this bottom block.

Aufgabe der Erfindung ist es, dieses Problem zu beseitigen.The object of the invention is to eliminate this problem.

Gelöst wird diese Aufgabe erfindungsgemäß dadurch, dass bei Verwendung von zwei Hubseilen, jedes dieser Hubseile über einen Rollenblock geleitet ist und dass zur Erreichung der gleichen Belastbarkeit bei Verwendung nur eines Hubseiles, dieses zusätzlich über eine zwischen den beiden Rollenblöcken gelagerte fliegende Rolle geleitet ist, wobei außerdem die beiden Rollenblöcke gegen ein Verkippen gesichert sind.This object is achieved according to the invention in that when using two hoisting ropes, each of these hoisting ropes is passed over a roller block and that to achieve the same load carrying capacity when using only one hoist rope, this is additionally passed over a mounted between the two roller blocks flying role, said In addition, the two roller blocks are secured against tilting.

Der Kern der Erfindung liegt somit in der Ausnutzung der Tatsache, dass die konventionelle Doppelunterflasche in der geometrischen Mitte ihres Gehäuses meist eine Aufnahmebohrung für einen der beiden Rollenblöcke hat oder zumindest eine geometrische Lücke besteht.The essence of the invention thus lies in the utilization of the fact that the conventional double bottom bottle in the geometric center of its housing usually has a receiving bore for one of the two roller blocks or at least one geometric gap exists.

Wird die Unterflasche als Doppelunterflasche im Doppelseilbetrieb verwendet, ist diese Aufnahme unbenutzt.If the bottom block is used as a double bottom bottle in double-rope operation, this image is unused.

Diese Aufnahme wird bei der Erfindung nun dahingehend genutzt, dass die beiden Rollenblöcke durch Bolzen gegen Verkippen gesperrt werden und eine fliegende Seilrolle zwischen diesen beiden Rollenblöcken eingebracht wird.This recording is now used in the invention to the effect that the two roller blocks are locked by bolts against tilting and a flying pulley between these two roller blocks is introduced.

Hierdurch erhält man quasi eine ungeradzahlige Einzelunterflasche, welche bei kurzen Auslegern die maximale Traglast des Kranes abdeckt.As a result, one obtains virtually an odd-numbered individual lower bottle, which covers the maximum load of the crane with short arms.

Einscherungen mit kleinen Ablenkwinkeln werden nun wieder möglich.Shearings with small deflection angles are now possible again.

Ein weiterer Vorteil ist hier auch, dass die Rollenblöcke der Unterflasche nicht wie vorher beschrieben ausgebaut, bzw. versetzt werden müssen, sondern lediglich durch Bolzen gesperrt werden.Another advantage here is that the roller blocks of the lower block do not need to be removed as described previously, or offset, but only be locked by bolts.

Die zusätzliche Seilrolle kann dabei an der freien Aufnahme in der Mitte der Schwinge verbolzt werden.The additional pulley can be bolted to the free receptacle in the middle of the swingarm.

Alternativ kann sie aber auch zwischen die beiden gesperrten Rollenblöcke geschraubt, verbolzt oder sonst wie eingehängt werden.Alternatively, it can also be screwed, bolted or otherwise suspended between the two locked roller blocks.

Durch die erfindungsgemäße Lösung ergeben sich die nachfolgenden Vorteile:The solution according to the invention provides the following advantages:

Es kommt zur Kostenersparnis bei der Anschaffung für den Kranbetreiber.There is a cost saving for the acquisition for the crane operator.

Umbauzeiten verkürzen sich.Conversion times are shortened.

Die Anzahl von Einsatzmöglichkeiten erhöht sich, da lediglich eine zusätzliche Einsatzmöglichkeit geschaffen wurde.
Die bisherigen Anwendungen der klassischen Doppelunterflasche, welche in eine halb so große Einzelunterflasche umgebaut werdenworden, kann, bleiben erhalten.The number of possible uses increases, since only an additional application has been created.
The previous applications of the classic double bottom bottle, which could be converted into a half-sized single bottom bottle, can be retained.

Der Betreiber kann sich unter Umständen eine dritte Winde, oder eine größere Einzelunterflasche einsparen.The operator may be able to save a third winch, or a larger individual base.

Der Hersteller kann eine größere Anzahl an Einsatzmöglichkeiten mit einer Unterflaschen anbieten.The manufacturer can offer a larger number of applications with a bottom bottles.

Die Erfindung soll nachfolgend an einem Ausführungsbeispiel erläutert werden.The invention will be explained below using an exemplary embodiment.

Dabei zeigt:

  • Fig. 1 eine Doppelunterflasche bei Verwendung eines Hubseiles,
  • Fig. 2 eine Doppelunterflasche bei Verwendung einer Doppelsellanordnung und
  • Fig. 3 eine Doppelunterflasche mit einem Rollenblock unter Verwendung eines einzigen Hubseiles.
Showing:
  • Fig. 1 a double bottom bottle when using a hoist rope,
  • Fig. 2 a double bottom bottle using a double cell arrangement and
  • Fig. 3 a double bottom bottle with a roller block using a single hoist rope.

Die Figur 2 zeigt eine übliche Ausbildung einer Doppelunterflasche 1, bei der zwei Rollenblöcke 2 und 3 über die Schwinge 4 verbunden sind. Aus der eingezeichneten Seilführung ist zu erkennen, dass hierbei zwei Hubseile 5 und 6 vorgesehen sind. Der mit der Schwinge 4 verbundene Lasthaken ist mit 10 bezeichnet.
Diese Doppeluntertlasche ist beispielsweise für eine Last von 2x160 t ausgelegt.The FIG. 2 shows a conventional design of a double lower bottle 1, in which two roller blocks 2 and 3 are connected via the rocker 4. From the drawn rope guide it can be seen that in this case two hoisting ropes 5 and 6 are provided. The load hook connected to the rocker 4 is designated 10.
This double bottom flap is designed, for example, for a load of 2x160 t.

Würde man - wie in Figur 1 gezeigt, die beiden Rollenblöcke 2 und 3 durch einen einzelnen Rollenblock 2 ersetzen, so müsste dieser mittig angeordnet werden, wobei man hierzu die vorhandene Aufnahme 8 benutzen würde.
Nachteilig hierbei ist, dass dann sich die Lastaufnahme auf die Hälfte, also 1x160 t reduzieren würde.
Dieser Nachteil kann beim Einsatz nur eines Hubseiles dadurch vermieden werden, dass die üblichen zwei Rollenblöcke 2 und 3 an der Schwinge 4 verbleiben, allerdings - wie mit 7 angedeutet - gegen ein Verkippen verbolzt werden.
Zusätzlich ist eine fliegende Rolle 9 für die Seilführung vorgesehen, und zwar kann diese beispielsweise an der Aufnahme 8 verbolzt werden.Would you - as in FIG. 1 shown, replace the two roller blocks 2 and 3 by a single roller block 2, so this would have to be arranged centrally, this one would use the existing recording 8.
The disadvantage here is that then the load absorption would be reduced to half, so 1x160 t.
This disadvantage can be avoided when using only one hoist rope, that the usual two roller blocks 2 and 3 remain on the rocker 4, but - as indicated by 7 - are bolted against tilting.
In addition, a flying roller 9 is provided for the cable guide, and this can for example be bolted to the receptacle 8.

Claims (4)

  1. A combination double bottom hook block in which two pulley blocks (2, 3) each having a plurality of cable pulleys are connected to one another by means of a rocker (1), a load hook being pivotally mounted on the rocker, characterised in that when two lifting cables are used, each of these lifting cables is run over a pulley block (2, 3) and in that to achieve the same load capacity when using only one lifting cable, the latter is in addition run over an overhung pulley (9) mounted between the two pulley blocks (2, 3), moreover the two pulley blocks (2, 3) being secured against tilting.
  2. A combination double bottom hook block according to claim 1, characterised in that the two pulley blocks (2, 3) are secured on the rocker (1) so as not to tilt by means of bolts.
  3. A combination double bottom hook block according to any one of the preceding claims, characterised in that the overhung pulley (9) is secured in a receiver (8) provided in the rocker (1).
  4. A combination double bottom hook block according to any one of the preceding claims, characterised in that the overhung pulley (9) is mounted on the pulley blocks (2, 3) arranged at either side thereof.
EP06791324A 2005-09-06 2006-08-24 Combination double bottom hook block Not-in-force EP1924520B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005043061A DE102005043061B3 (en) 2005-09-06 2005-09-06 Combination double bottom block
PCT/DE2006/001510 WO2007028357A1 (en) 2005-09-06 2006-08-24 Combination double bottom hook block

Publications (2)

Publication Number Publication Date
EP1924520A1 EP1924520A1 (en) 2008-05-28
EP1924520B1 true EP1924520B1 (en) 2008-12-31

Family

ID=37440947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06791324A Not-in-force EP1924520B1 (en) 2005-09-06 2006-08-24 Combination double bottom hook block

Country Status (6)

Country Link
US (1) US7722013B2 (en)
EP (1) EP1924520B1 (en)
CN (1) CN101258095B (en)
AT (1) ATE419213T1 (en)
DE (2) DE102005043061B3 (en)
WO (1) WO2007028357A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP2762438A1 (en) 2013-02-05 2014-08-06 Terex Cranes Germany GmbH Process for influencing a winch force acting on a rope drive and device suitable for such a process

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US7946560B2 (en) * 2009-02-25 2011-05-24 Manitowoc Crane Companies, Llc Crane hook block
CN101492141B (en) * 2009-03-02 2011-04-20 大连华锐股份有限公司 Large-scale crane hook set
CN102040156B (en) * 2010-04-01 2012-01-11 长沙中联重工科技发展股份有限公司 Combined lifting mechanism
CN102180403A (en) * 2011-05-31 2011-09-14 太原重工股份有限公司 Crane hook device
CN102942111B (en) * 2012-11-15 2015-06-17 诺威起重设备（苏州）有限公司 Oblique-pulley lifting hook device
CN103010999B (en) * 2013-01-09 2014-11-26 商友云 Adjustable pulley block mechanism
EP2873639A1 (en) * 2013-11-13 2015-05-20 Kone Corporation Diverting pulley assembly usable as a converter adapter
CN104555730B (en) * 2015-01-20 2016-08-24 江苏振东港口机械制造有限公司 A kind of steadily luffing assembly pulley
JP6558229B2 (en) * 2015-12-01 2019-08-14 コベルコ建機株式会社 Hook device
DE202017105449U1 (en) * 2017-09-08 2017-10-18 Liebherr-Werk Ehingen Gmbh Hookblocks body
CN107555309A (en) * 2017-10-09 2018-01-09 上海海事大学 A kind of split type suspension hook of super-tonnage
JP6845120B2 (en) * 2017-11-16 2021-03-17 株式会社日立産機システム Chain take-up device
CN110271954A (en) * 2019-07-31 2019-09-24 徐工集团工程机械股份有限公司建设机械分公司 Hoisting system and engineering machinery
CN114162707A (en) * 2021-11-22 2022-03-11 徐州建机工程机械有限公司 Double-layer four-group eight-pulley lifting hook

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Publication number Priority date Publication date Assignee Title
EP2762438A1 (en) 2013-02-05 2014-08-06 Terex Cranes Germany GmbH Process for influencing a winch force acting on a rope drive and device suitable for such a process
DE102013201860A1 (en) 2013-02-05 2014-08-07 Terex Cranes Germany Gmbh Method for influencing a cable winch force acting on a cable drive and apparatus for carrying out such a method

Also Published As

Publication number Publication date
US20090267039A1 (en) 2009-10-29
CN101258095B (en) 2010-09-08
DE102005043061B3 (en) 2007-05-03
WO2007028357A1 (en) 2007-03-15
CN101258095A (en) 2008-09-03
DE502006002527D1 (en) 2009-02-12
ATE419213T1 (en) 2009-01-15
US7722013B2 (en) 2010-05-25
EP1924520A1 (en) 2008-05-28

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