EP2223882A2 - Method and device for attachment and detachment of an additional device to/from the main boom of a mobile crane - Google Patents
Method and device for attachment and detachment of an additional device to/from the main boom of a mobile crane Download PDFInfo
- Publication number
- EP2223882A2 EP2223882A2 EP10075034A EP10075034A EP2223882A2 EP 2223882 A2 EP2223882 A2 EP 2223882A2 EP 10075034 A EP10075034 A EP 10075034A EP 10075034 A EP10075034 A EP 10075034A EP 2223882 A2 EP2223882 A2 EP 2223882A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mobile crane
- attachment
- auxiliary device
- section
- main boom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/66—Outer or upper end constructions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49963—Threaded fastener
Definitions
- the invention relates to the attachment and removal of an attachment to the main boom of a mobile crane, which should be done without the use of an auxiliary crane. It is known to grow in mobile cranes, especially telescopic cranes, to the head of the main boom of the basic crane an additional device.
- This temporarily or permanently remaining device is used to achieve an even greater boom length beyond the largest boom length of the telescopic crane.
- the facilities are basically constructed as modular systems and can be assembled according to the requirements of length or load capacity.
- the individual main elements of the device are ideally made of a truss-Rohrkonstruktlon in transportable dimensions.
- the furnishing elements are assembled with bolts at the corresponding points to form a unit.
- the additional equipment is not carried along with the basic crane in most cases and has to be transported separately.
- the attachment to the main boom head can be done piece by piece or as a preassembled unit.
- the invention therefore an object of the invention to simplify the cultivation of the attachment and make it safer, in particular to perform this without the use of an additional auxiliary crane.
- the preassembled additional device which ideally consists of a truss-tube construction in transportable dimensions, is placed in alignment with the main boom of the mobile crane on the ground.
- the head of the main boom is rotatably bolted to the lower end of the inclined end of the mobile crane facing portion of the attachment and the additional device by means of a remote from the mobile crane end of the raised portion in oblique position and guided over a roller hoist rope in a horizontal position pulled, so that the portion of the attachment, the remaining parts of the attachment and the main boom of the mobile crane are aligned in a row.
- the accessory is lifted before lifting the mobile crane facing the end of the attachment at the end facing away from the mobile crane, so that a rotatable about a lower pivot portion of the attachment occupies a downward inclination, is held in this position, the end of the section ground contact reserves.
- the additional device 2 was assembled from several individual elements 2.1 to 2.7 in the desired configuration and placed in alignment with the main boom 1.1 of the mobile crane 1, seen in plan view, on the ground.
- the mobile crane 1 facing the end of the attachment 2, as in Fig. 1 represented with the single element 2.2 placed on the displacement device 4 and aligned by moving to the main boom.
- the section 2.1 of the additional device (head connection) is then lifted by the crane 1 ( Fig. 2 ), by point C ( Fig. 7 ) Upwards and introduced between the points D1 and D2 for fixing the inclined position of the section 2.1, a spacer rod 5.
- the remote from the mobile crane section 2.7 (top) is rotated by lifting the attachment 2 to the point E down to an inclined position and to fix the inclination a spacer rod 6 (top) Fig. 8 ) between points F1 and F2.
- the angled position of the tip of the attachment 2 is necessary to establish the horizontal flight to the main boom 1.1 of the mobile crane 1, to be described later in point B ( Fig. 7 ) to bolt.
- the main boom head 1.2 is brought to the inclined section 2.1 and bolted with this point A.
- the alignment of the parts to each other or the alignment of the holes in point A by moving the main boom 1.1 and by moving the device 2 by means of the displacement device 4 (FIG. FIGS. 10 and 11 ).
- the hoist rope 7 is now moored over the roller 2.10 at point H ( FIGS. 4 and 9 ).
- the section 2.7 of the auxiliary device 2 is about the point E ( Fig. 8 ) and lifts it off the ground until the points F1 and F2 can be bolted together.
- the dismantling of the attachment is done in reverse order.
- the skewing of the sections 2.1 and 2.7 of the attachment 2 could also be brought about instead by lifting cable lift by cylinder or similar device.
- the raising of the attachment and the fixed inclination of the section 2.7 can unfold when the main boom 1.1 so far down angled (underfloor position, see Fig. 6 ) or tilt the entire crane that the top of the device 2 would come in the ready-mounted state of the device with the impeller 2.9 on the floor.
- the embodiment of the displacement device 4 is in the FIGS. 10 and 11 shown.
- the additional device 2 is located on the two slides 4.2 of the displacement device 4, which can slide on a main carrier 4.1.
- the cylinder bearing 4.4 is attached depending on the required direction of displacement to the right or left of the attachment 2 with a Absteckbolzen 4.5 to the main support 4.1.
- a horizontal alignment can be done by means of the height-adjustable feet 4.6.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
Description
Die Erfindung betrifft den An- und Abbau einer Zusatzeinrichtung an den Hauptausleger eines Mobilkranes, der ohne den Einsatz eines Hilfskrans erfolgen soll. Es ist bekannt, bei Mobilkranen, insbesondere Teleskopkranen, an den Kopf des Hauptauslegers des Grundkrans eine Zusatzeinrichtung anzubauen.The invention relates to the attachment and removal of an attachment to the main boom of a mobile crane, which should be done without the use of an auxiliary crane. It is known to grow in mobile cranes, especially telescopic cranes, to the head of the main boom of the basic crane an additional device.
Diese vorübergehend oder ständig verbleibende Einrichtung wird benutzt, um eine über die größte Auslegerlänge des Teleskopkrans hinausgehende noch größere Auslegerlänge zu erzielen.This temporarily or permanently remaining device is used to achieve an even greater boom length beyond the largest boom length of the telescopic crane.
Die Einrichtungen sind grundsätzlich als Baukastensysteme aufgebaut und können je nach Erfordernis an Länge bzw. Tragkraft zusammengestellt werden.The facilities are basically constructed as modular systems and can be assembled according to the requirements of length or load capacity.
Die einzelnen Hauptelemente der Einrichtung bestehen in idealer Weise aus einer Fachwerk-Rohr-Konstruktlon in transportfähigen Abmessungen. Die Einrichtungselemente werden mit Bolzen an den entsprechenden Punkten zu einer Einheit zusammengefügt.The individual main elements of the device are ideally made of a truss-Rohrkonstruktlon in transportable dimensions. The furnishing elements are assembled with bolts at the corresponding points to form a unit.
Die zusätzliche Einrichtung wird in den meisten Fällen nicht mit dem Grundkran mitgeführt und muss separat transportiert werden.The additional equipment is not carried along with the basic crane in most cases and has to be transported separately.
Speziell dafür vorgesehene Einrichtungen können aber auch mit dem Grundkran mitgeführt werden, wenn es die Gewichts- und Platzverhältnisse erlauben.But specially designed facilities can also be carried along with the base crane, if it allows the weight and space.
Der Anbau an den Hauptauslegerkopf kann Stück für Stück oder als vormontierte Einheit erfolgen.The attachment to the main boom head can be done piece by piece or as a preassembled unit.
Diese Arbeit wird bekanntermaßen mit einem zusätzlichen Hilfskran bewältigt.This work is known to be accomplished with an additional auxiliary crane.
Die Bereitstellung eines Hilfskranes verursacht zusätzliche Kosten, da dieser mit zusätzlichem Personal an die Aufrüststelle herangeführt werden muss. Außerdem ist es schwierig, die frei schwebend angehobene Zusatzeinrichtung unter Beachtung der Verletzungsgefahr für die Monteure punktgenau an die am Auslegerkopf vorgesehenen Befestigungspunkte heranzuführen. Das bedeutet einen relativ hohen Zeitaufwand für die Montage.The provision of an auxiliary crane causes additional costs, as it must be brought to the upgrade with additional staff. In addition, it is difficult to precisely introduce the freely levitated additional device, taking into account the risk of injury to the fitters to the provided on the boom head mounting points. This means a relatively high amount of time for assembly.
Der Erfindung lag deshalb die Aufgabe zugrunde, den Anbau der Zusatzeinrichtung zu vereinfachen und sicherer zu machen, insbesondere diesen ohne Einsatz eines zusätzlichen Hilfskrans auszuführen.The invention therefore an object of the invention to simplify the cultivation of the attachment and make it safer, in particular to perform this without the use of an additional auxiliary crane.
Die Lösung der Aufgabe erfolgt entsprechend den Merkmalen der selbständigen Ansprüche 1, 8 und 10. Die weiteren Ansprüche stellen zweckmäßige Ausgestaltungen der erfinderischen Lösung dar.The object is achieved according to the features of the
Erfindungsgemäß wird die vormontierte Zusatzeinrichtung, die idealerweise aus einer Fachwerk-Rohr-Konstruktlon in transportfähigen Abmessungen besteht, fluchtend zum Hauptausleger des Mobilkrans auf den Boden abgelegt.According to the invention, the preassembled additional device, which ideally consists of a truss-tube construction in transportable dimensions, is placed in alignment with the main boom of the mobile crane on the ground.
Sodann wird ein Teilstück an dem dem Mobilkran zugewandten Ende der Zusatzeinrichtung um einen oberen Drehpunkt drehend in eine Schrägstellung angehoben und in dieser Lage gehalten.Then, a portion is lifted at the end facing the mobile crane end of the attachment to an upper pivot point rotating in an inclined position and held in this position.
Danach wird der Kopf des Hauptauslegers mit dem unteren Ende des in Schrägstellung befindlichen Endes des dem Mobilkran zugewandten Teilstücks der Zusatzeinrichtung drehbar verbolzt und die Zusatzeinrichtung mittels eines am dem Mobilkran abgewandten Ende des in Schrägstellung angehobenen Teilstücks befestigten und über eine Rolle geführten Hubseils in eine waagerechte Position gezogen, so dass das Teilstück der Zusatzeinrichtung, die übrigen Teile der Zusatzeinrichtung und der Hauptausleger des Mobilkrans fluchtend hintereinander ausgerichtet sind.Thereafter, the head of the main boom is rotatably bolted to the lower end of the inclined end of the mobile crane facing portion of the attachment and the additional device by means of a remote from the mobile crane end of the raised portion in oblique position and guided over a roller hoist rope in a horizontal position pulled, so that the portion of the attachment, the remaining parts of the attachment and the main boom of the mobile crane are aligned in a row.
Abschließend werden die genannten Bauelemente untereinander und am Kopf des Hauptauslegers durch Verbolzen mit diesem verbunden.Finally, the said components are connected to each other and at the head of the main boom by bolting with this.
Wenn sich der Hauptausleger nicht so weit nach unten abwinkeln bzw. der gesamte Kran nicht so weit schräg stellen lässt, dass die Spitze der Zusatzeinrichtung im fertig angebauten Zustand der Einrichtung mit einem an der Spitze angeordneten Laufrad auf den Boden aufsteht, kann zur Erleichterung der Montage die Zusatzeinrichtung vor dem Anheben des dem Mobilkran zugewandten Endes der Zusatzeinrichtung an dem dem Mobilkran abgewandten Ende angehoben werden, so dass ein um einen unteren Drehpunkt drehbares Teilstück der Zusatzeinrichtung eine Schrägstellung nach unten einnimmt, in dieser Lage gehalten wird, wobei das Ende des Teilstücks Bodenberührung behält.If the main boom does not bend so far down or the entire crane is not tilted so far that the tip of the attachment stands in the ready-mounted state of the device with a tip wheel arranged on the ground, for ease of assembly the accessory is lifted before lifting the mobile crane facing the end of the attachment at the end facing away from the mobile crane, so that a rotatable about a lower pivot portion of the attachment occupies a downward inclination, is held in this position, the end of the section ground contact reserves.
Die Schrägstellung des am dem Mobilkran abgewandten Ende befindlichen Teilstücks der Zusatzeinrichtung wird nach dem Anheben des dem Mobilkran zugewandten Endes der Zusatzeinrichtung durch den Zug eines am Kopf der Zusatzeinrichtung befestigten Hubseils aufgehoben, so dass die Teilstücke der Zusatzeinrichtung, die übrigen Teile der Zusatzeinrichtung und der Hauptausleger des Mobilkrans fluchtend hintereinander ausgerichtet sind. Abschließend werden die genannten Bauelemente untereinander und am Kopf des Hauptauslegers durch Verbolzen mit diesem verbunden.The inclination of the remote from the mobile crane end portion of the attachment is lifted after lifting the end of the mobile crane end of the attachment by the train of a mounted on the head of the attachment hoist such that the portions of the attachment, the remaining parts of the attachment and the main boom of the mobile crane are aligned in alignment one behind the other. Finally, the said components are connected to each other and at the head of the main boom by bolting with this.
Die Erfindung soll an einem Ausführungsbeispiel anhand der Figuren in den Zeichnungen näher erläutert werden.The invention is based on an embodiment with reference to the figures in the Drawings are explained in more detail.
In den Zeichnungen zeigen:
Figuren 1 bis 5:- den erfindungsgemäßen Anbau der Zusatzeinrichtung mit Anwinkeln beider Teilstücke der Zusatzeinrichtung,
- Fig. 6:
- die angebaute Zusatzeinrichtung ohne vorheriges Anwinkeln des dem Mobilkran abgewandten Teilstücks der Zusatzeinrichtung,
- Fig. 7:
- die in
Fig. 3 mit "Fig. 7 " markierte Einzelheit des Teilstücks der Zusatzeinrichtung in Schrägstellung, - Fig. 8:
- die in
Fig. 3 mit "Fig. 8 " markierte Einzelheit des Teilstücks der Zusatzeinrichtung in Schrägstellung, - Fig. 9:
- die Gestaltung des Endteils der Zusatzeinrichtung mit Laufrad,
- Fig. 10:
- die Verschiebeeinrichtung in Vorderansicht,
- Fig. 11:
- die Verschiebeeinrichtung in Seitenansicht
- FIGS. 1 to 5:
- the cultivation according to the invention of the additional device with angling of both sections of the additional device,
- Fig. 6:
- the attached attachment without prior angling of the remote from the mobile crane portion of the attachment,
- Fig. 7:
- in the
Fig. 3 With "Fig. 7 "marked detail of the section of the attachment in inclination, - Fig. 8:
- in the
Fig. 3 With "Fig. 8 "marked detail of the section of the attachment in inclination, - Fig. 9:
- the design of the end part of the attachment with impeller,
- Fig. 10:
- the displacement device in front view,
- Fig. 11:
- the displacement device in side view
Mit Hilfe des Mobilkrans 1 wurde die Zusatzeinrichtung 2 aus mehreren Einzelelementen 2.1 bis 2.7 in der gewünschten Konfiguration zusammengebaut und fluchtend zum Hauptausleger 1.1 des Mobilkrans 1, in der Draufsicht gesehen, auf den Boden abgelegt. Hierbei wird das dem Mobilkran 1 zugewandte Ende der Zusatzeinrichtung 2, wie in
Das Teilstück 2.1 der Zusatzeinrichtung (Kopfanschluss) wird dann mit dem Kran 1 angehoben (
Sodann wird das dem Mobilkran abgewandte Teilstück 2.7 (Spitze) durch Anheben der Zusatzeinrichtung 2 um den Punkt E nach unten in eine Schrägstellung gedreht und zur Fixierung der Schrägstellung eine Distanzstange 6 (
Sodann wird der Hauptauslegerkopf 1.2 an das schräg gestellte Teilstück 2.1 herangeführt und mit diesem im Punkt A verbolzt. Dabei wird das Ausrichten der Teile zueinander bzw. die Flucht der Bohrungen in Punkt A durch Bewegen des Hauptauslegers 1.1 und durch Verschieben der Einrichtung 2 mittels der Verschiebevorrichtung 4 (
Nach dem Verbolzen in Punkt A kann die Distanzstange 5 entfernt werden.After bolting in point A, the
Nun wird das Hubseil 7 des Krans über die Rolle 2.8 (
Durch Einfahren des Hubseils 7 schamiert das Teilstück 2.1 in den Punkten A und C und dreht sich so weit nach oben, bis Punkt B1 am Kopf des Hauptauslegers mit Punkt B2 des Teilstücks 2.1 verbolzt werden kann. Im angehobenen Zustand der Einrichtung kann auch Punkt D1 am Einrichtungselement 2.2 mit Punkt D2 am Teilstück 2.1 verbunden werden. Es entsteht der in
Um das Entfernen der Distanzstange 6 zu ermöglichen, wird der Hauptausleger 1.1 mit der davor befindlichen Zusatzeinrichtung 2 aufgewippt, bis sich das Laufrad 2.9 kurz vor dem Abheben vom Boden befindet. Die Bolzenverbindung in den Punkten F1 undIn order to allow the removal of the
F2 wird dadurch entlastet, kann gelöst und die Distanzstange 6 entbolzt und entfernt werden.F2 is thereby relieved, can be solved and the
Das Hubseil 7 wird nunmehr über die Rolle 2.10 im Punkt H festgemacht (
Durch das Einfahren des Hubseils wird das Teilstück 2.7 der Zusatzeinrichtung 2 um den Punkt E (
Nach dem Verbolzen wird das Hubseil von Punkt H gelöst.After bolting, the hoist rope is released from point H.
Der Anbau der Zusatzeinrichtung 2 an den Hauptausleger 1.1 des Mobilkrans 1 ist damit beendet.The cultivation of the
Der Abbau der Zusatzeinrichtung geschieht in umgekehrter Reihenfolge.The dismantling of the attachment is done in reverse order.
Das Schrägstellen der Teilstücke 2.1 und 2.7 der Zusatzeinrichtung 2 könnte auch anstatt durch Hubseilanhebung durch Zylinder oder eine ähnlichen Vorrichtung herbeigeführt werden.The skewing of the sections 2.1 and 2.7 of the
Das Anheben der Zusatzeinrichtung und die fixierte Schrägstellung des Teilstücks 2.7 kann entfalten, wenn sich der Hauptausleger 1.1 so weit nach unten abwinkeln (Unterflurstellung siehe
Das Ausführungsbeispiel der Verschiebevorrichtung 4 ist in den
Die Zusatzeinrichtung 2 liegt auf den beiden Gleitstücken 4.2 der Verschiebeeinrichtung 4, die auf einem Hauptträger 4.1 gleiten können.The
Mit der Kolbenstange des Hubzylinders 4.3 werden die Gleitstücke 4.2 mit der darauf liegenden Zusatzeinrichtung 2 über die Gleitebene des Hauptträgers 4.1 in die gewünschte Lage geschoben.With the piston rod of the lifting cylinder 4.3, the sliders are 4.2 with it lying
Das Zylinderlager 4.4 wird je nach erforderlicher Verschieberichtung rechts oder links der Zusatzeinrichtung 2 mit einem Absteckbolzen 4.5 an dem Hauptträger 4.1 befestigt. Eine horizontale Ausrichtung kann mittels der höheneinstellbaren Füße 4.6 erfolgen.The cylinder bearing 4.4 is attached depending on the required direction of displacement to the right or left of the
Claims (10)
dadurch gekennzeichnet
dass die vormontierte Zusatzeinrichtung (2) fluchtend zum Hauptausleger (1.1) des Mobilkrans (1) auf dem Boden abgelegt wird,
dass ein Teilstück (2.1) an dem dem Mobilkran zugewandten Ende der Zusatzeinrichtung (2) um einen oberen Drehpunkt (C) drehend in eine Schrägstellung angehoben und in dieser Lage gehalten wird,
dass der Kopf (1.2) des Hauptauslegers (1.1) mit dem unteren Ende des in Schrägstellung befindlichen Endes des dem Mobilkran zugewandten Teilstücks (2.1) der Zusatzeinrichtung (2) drehbar verbolzt wird,
dass die Zusatzeinrichtung (2) mittels eines am dem Mobilkran (1) abgewandten Ende des in Schrägstellung angehobenen Teilstücks (2.1) befestigten und über eine Rolle (2.8) geführten Hubseils (6) in eine waagerechte Position gezogen wird, so dass das Teilstück (2.1) der Zusatzeinrichtung (2), die übrigen Teile (2.2 bis 2.7) der Zusatzeinrichtung (2) und der Hauptausleger (1.1) des Mobilkrans fluchtend hintereinander ausgerichtet sind, und
dass die genannten Bauelemente (2.1 bis 2.7) untereinander und am Kopf (1.2) des Hauptauslegers (1.1) durch Verbolzen mit diesem verbunden werden.Method for mounting and dismounting an additional device consisting of individual elements to the main boom of a mobile crane without auxiliary crane,
characterized
that the preassembled additional device (2) is laid on the ground in alignment with the main boom (1.1) of the mobile crane (1),
that a section (2.1) is lifted at the end facing the mobile crane end of the auxiliary device (2) about an upper pivot point (C) in an inclined position and held in this position,
that the head (1.2) of the main boom (1.1) is rotatably bolted to the lower end of the inclined end of the mobile crane facing portion (2.1) of the attachment (2),
in that the auxiliary device (2) is pulled into a horizontal position by means of a lifting cable (6), which is fastened at an angle to the mobile crane (1) and is guided by a roller (2.8), so that the section (2.1 ) of the auxiliary device (2), the remaining parts (2.2 to 2.7) of the auxiliary device (2) and the main boom (1.1) of the mobile crane are aligned in a row, and
in that said components (2.1 to 2.7) are connected to each other and to the head (1.2) of the main boom (1.1) by bolting them thereto.
dadurch gekennzeichnet,
dass die Zusatzeinrichtung (2) aus einer Fachwerk-Rohr-Konstruktlon in transportfähigen Abmessungen besteht.Method according to claim 1,
characterized,
in that the additional device (2) consists of a truss-tube construction in transportable dimensions.
dadurch gekennzeichnet,
dass vor dem Anheben des dem Mobilkran (1) zugewandten Teilstücks (2.1) der Zusatzeinrichtung (2) die Zusatzeinrichtung (2) an dem dem Mobilkran (1) abgewandten Ende angehoben wird, so dass ein um einen unteren Drehpunkt (E) drehbares Teilstück (2.7) der Zusatzeinrichtung (2) eine Schrägstellung einnimmt und das Ende des Teilstücks (2.7) Bodenberührung behält,
dass nach dem Anheben des dem Mobilkran (1) zugewandten Teilstücks (2.1) der Zusatzeinrichtung (2) die Schrägstellung des am dem Mobilkran abgewandten Ende befindlichen Teilstücks (2.7) der Zusatzeinrichtung (2) durch den Zug eines am Kopf-Punkt (H) der Zusatzeinrichtung befestigten Hubseils aufgehoben wird, so dass die Teilstücke (2.1, 2.7) der Zusatzeinrichtung, die übrigen Teile der Zusatzeinrichtung (2.2 bis 2.6) und der Hauptausleger (1.1) des Mobilkrans (1) fluchtend hintereinander ausgerichtet sind, und
dass die genannten Bauelemente (2.1 bis 2.7) untereinander und am Kopf (1.2) des Hauptauslegers (1.1) durch Verbolzen mit diesem verbunden werden.Method according to claim 1 or 2,
characterized,
in that before the lifting of the section (2.1) of the additional device (2) facing the mobile crane (1), the additional device (2) is lifted at the end facing away from the mobile crane (1), so that a section (FIG. 2) rotatable about a lower pivot point (E) ( 2.7) of the additional device (2) assumes an inclined position and the end of the section (2.7) retains ground contact,
in that, after lifting the section (2.1) of the auxiliary crane (1) facing the mobile crane (2), the inclination of the end facing away from the mobile crane section (2.7) of the auxiliary device (2) is removed by the train of a hoisting rope attached to the head (H) of the accessory, so that the sections (2.1, 2.7) of the auxiliary device, the remaining parts of the auxiliary device (2.2 to 2.6) and the main boom (1.1) of the mobile crane (1) are aligned in line, and
in that said components (2.1 to 2.7) are connected to each other and to the head (1.2) of the main boom (1.1) by bolting them thereto.
dadurch gekennzeichnet,
dass die vorübergehende Schrägstellung der Teilstücke (2.1, 2.7) der Zusatzeinrichtung (2) durch eine Distanzstange (5, 6) gesichert wird.Method according to one of claims 1 or 3,
characterized,
that the temporary inclined position of the sections (2.1, 2.7) of the auxiliary device (2) through a distance rod (5, 6) is secured.
dadurch gekennzeichnet,
dass beim Ablegen der Zusatzeinrichtung (2) auf dem Boden das dem Mobilkran (1) zugewandte Ende der Zusatzeinrichtung auf einer Verschiebeeinrichtung (4) aufgelegt wird, die ein Verschieben quer zur Längsachse der Zusatzeinrichtung (2) und damit ein fluchtendes Ausrichten der Zusatzeinrichtung zum Ausleger (1.1) des Mobilkrans ermöglicht.Method according to claim 1,
characterized,
in that when the auxiliary device (2) is placed on the floor, the end of the auxiliary device facing the mobile crane (1) is placed on a displacement device (4) which moves transversely to the longitudinal axis of the auxiliary device (2) and thus aligns the auxiliary device to the extension arm (1.1) of the mobile crane.
dadurch gekennzeichnet,
dass das Anheben und Schrägstellen der Teilstücke (2.1, 2.7) der Zusatzeinrichtung (2) mittels des Hubseils des Mobilkrans erfolgt.Method according to one of the preceding claims,
characterized,
in that the lifting and tilting of the sections (2.1, 2.7) of the attachment (2) takes place by means of the hoist rope of the mobile crane.
dadurch gekennzeichnet,
dass das Anheben und Schrägstellen der Teilstücke (2.1, 2.7) der Zusatzeinrichtung (2) mittels Hubzylinder erfolgt.Method according to one of the preceding claims,
characterized,
in that the lifting and tilting of the sections (2.1, 2.7) of the additional device (2) takes place by means of a lifting cylinder.
dadurch gekennzeichnet,
dass ein Teilstück (2.1) am dem Mobilkran (1) zugewandten Ende der Zusatzeinrichtung mittels eines Drehgelenks (C) abwinkelbar gestaltet ist,
dass am Teilstück (2.1) eine Rolle (2.8) zum Führen eines Hubseils befestigt ist und dass am Teilstück (2.1) Befestigungselemente (A, B2, D2) vorgesehen sind, mittels derer im abgewinkelten Zustand des Teilstücks (2.1) der Zusatzeinrichtung (2) die Befestigung einer Distanzstange (5) und im fluchtenden Zustand der Teile der Zusatzeinrichtung (2) eine Befestigung an dem benachbarten Teil (2.2) der Zusatzeinrichtung (2) einerseits und am Kopf (1.2) des Hauptauslegers (1.1) des Mobilkrans (1) andererseits möglich ist.Attachment for attachment to the main boom of a mobile crane,
characterized,
that a section (2.1) on the mobile crane (1) facing the end of the auxiliary device by means of a rotary joint (C) can be angled designed
in that a roller (2.8) for guiding a hoist rope is fastened to the section (2.1) and that fastening elements (A, B2, D2) are provided on the section (2.1) by means of derer in the angled state of the portion (2.1) of the attachment (2) the attachment of a spacer rod (5) and in the aligned state of the parts of the attachment (2) attachment to the adjacent part (2.2) of the attachment (2) on the one hand and on the head (1.2) of the main boom (1.1) of the mobile crane (1) on the other hand is possible.
dadurch gekennzeichnet,
dass ein Teilstück (2.7) am dem Mobilkran (1) abgewandten Ende der Zusatzeinrichtung mittels eines Drehgelenks (E) abwinkelbar gestaltet ist,
dass am Teilstück (2.7) eine Rolle (2.10) zum Führen eines Hubseils befestigt ist,
dass am Teilstück (2.7) Befestigungselemente (F1) vorgesehen sind, mittels derer im abgewinkelten Zustand des Teilstücks (2.7) der Zusatzeinrichtung (2) die Befestigung einer Distanzstange (6) und im fluchtenden Zustand der Teile der Zusatzeinrichtung (2) eine Befestigung an dem benachbarten Teil (2.6) der Zusatzeinrichtung (2) möglich ist und
dass am dazu gegenüberliegenden Ende des Teilstücks (2.7) der Zusatzeinrichtung ein Laufrad (2.9) angeordnet ist.Additional device according to claim 8,
characterized,
that a section (2.7) on the mobile crane (1) facing away from the end of the auxiliary device by means of a swivel joint (E) is angled designed
that the portion (2.7) is mounted a roller (2.10) for guiding a lifting cable,
that the portion (2.7) (F1) are provided attachment elements, by means of which in the bent state of the portion (2.7) of the auxiliary device (2) the attachment of a spacer bar (6) and in the aligned state of the parts of the auxiliary device (2) attachment to the adjacent part (2.6) of the additional device (2) is possible and
that at the opposite end of the section (2.7) of the additional device, an impeller (2.9) is arranged.
gekennzeichnet durch
einen mittels Schraubfüßen (4.6) höhenverstellbaren Hauptträger (4.1) als Gleitebene, auf dem Gleitstücke (4.2), die die Zusatzeinrichtung (2) tragen, verschiebbar angeordnet sind, und
einen am Hauptträger (4.1) mittels Absteckbolzen (4.5) lageveränderlich befestigten Zylinderträger (4.4), der einen Hubzylinder (4.3) trägt, mit dessen Hubstange die Gleitstücke (4.2) auf einer Gleitebene des Hauptträgers (4.1) verschiebbar sind.
Liste der verwendeten Bezugszeichen
marked by
a height-adjustable by means of screw feet (4.6) main carrier (4.1) as a sliding plane on which sliders (4.2) carrying the auxiliary device (2), slidably disposed, and
one on the main carrier (4.1) by means of pin (4.5) variable position mounted cylinder carrier (4.4) carrying a lifting cylinder (4.3), with the lifting rod, the sliders (4.2) on a sliding plane of the main carrier (4.1) are displaceable.
List of reference numbers used
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009010452A DE102009010452A1 (en) | 2009-02-26 | 2009-02-26 | Method and device for mounting and dismounting an attachment on the main boom of a mobile crane |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2223882A2 true EP2223882A2 (en) | 2010-09-01 |
EP2223882A3 EP2223882A3 (en) | 2010-11-24 |
EP2223882B1 EP2223882B1 (en) | 2012-07-25 |
Family
ID=42198953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10075034A Active EP2223882B1 (en) | 2009-02-26 | 2010-01-21 | Method and device for attachment and detachment of an additional device to/from the main boom of a mobile crane |
Country Status (4)
Country | Link |
---|---|
US (1) | US8739987B2 (en) |
EP (1) | EP2223882B1 (en) |
CN (1) | CN101817479B (en) |
DE (1) | DE102009010452A1 (en) |
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CN102774756A (en) * | 2011-05-09 | 2012-11-14 | 利勃海尔爱茵根有限公司 | Method for assembling a mobile crane and mobile crane |
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DE102017217556B3 (en) * | 2017-10-02 | 2018-11-15 | Tadano Faun Gmbh | Self erecting stand assembly of a mast top for a crane jib, method of self erecting a mast top on a jib head of a crane jib and crane system |
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Also Published As
Publication number | Publication date |
---|---|
US8739987B2 (en) | 2014-06-03 |
CN101817479B (en) | 2015-09-16 |
CN101817479A (en) | 2010-09-01 |
EP2223882A3 (en) | 2010-11-24 |
US20100213152A1 (en) | 2010-08-26 |
EP2223882B1 (en) | 2012-07-25 |
DE102009010452A1 (en) | 2010-09-02 |
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