EP3461782B1 - Lifting device for lifting and lowering heavy objects - Google Patents

Lifting device for lifting and lowering heavy objects Download PDF

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Publication number
EP3461782B1
EP3461782B1 EP17193838.4A EP17193838A EP3461782B1 EP 3461782 B1 EP3461782 B1 EP 3461782B1 EP 17193838 A EP17193838 A EP 17193838A EP 3461782 B1 EP3461782 B1 EP 3461782B1
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EP
European Patent Office
Prior art keywords
lifting
traction means
tensioning
frame arrangement
upper frame
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.)
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Application number
EP17193838.4A
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German (de)
French (fr)
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EP3461782A1 (en
Inventor
Christoph Mohr
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.)
Mohr Lizenz Verwaltungs GmbH
Original Assignee
Mohr Lizenz Verwaltungs 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
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Priority to EP17193838.4A priority Critical patent/EP3461782B1/en
Application filed by Mohr Lizenz Verwaltungs GmbH filed Critical Mohr Lizenz Verwaltungs GmbH
Priority to PT171938384T priority patent/PT3461782T/en
Priority to ES17193838T priority patent/ES2809152T3/en
Priority to PL17193838T priority patent/PL3461782T3/en
Priority to US16/120,934 priority patent/US10737915B2/en
Priority to CN201811121726.5A priority patent/CN109573831B/en
Publication of EP3461782A1 publication Critical patent/EP3461782A1/en
Application granted granted Critical
Publication of EP3461782B1 publication Critical patent/EP3461782B1/en
Priority to US16/934,149 priority patent/US20200346906A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
    • B66C2700/012—Trolleys or runways

Definitions

  • the invention relates to a lifting device for lifting and lowering particularly heavy objects according to the preamble of claim 1.
  • Lifting devices are used for lifting and lowering objects vertically in relation to an upright direction. Depending on the design and weight of the objects to be moved, they can be operated both manually and motorized. In addition to the manipulation in the vertical direction, such lifting devices usually also have the possibility of being displaced in at least one transverse direction, so that an attached object can be lifted at one location and deposited again at another location. This can be done, for example, by the rotation of a boom of the lifting device and / or by its lateral linear displacement.
  • stationary lifting devices can be combined with a monorail system in order to displace the respective lifting device along a path that is usually structurally determined.
  • high loads such as containers or vehicles can also be moved.
  • the EP 1 106 563 A2 shows a lifting device with two frame arrangements one above the other with respect to a vertical direction, of which the lower frame arrangement is arranged so as to hang on the upper frame arrangement via a plurality of lifting traction means such that the lower frame arrangement is wound up by winding up the lifting traction means by means of a lifting-lowering device can be pulled up on the upper frame arrangement and can be lowered again by subsequent unwinding of the lifting traction means relative to the upper frame arrangement and vice versa.
  • the two frame arrangements can preferably be aligned parallel to one another in order to obtain a construction that is as compact as possible overall in relation to the fully raised state of the lower frame arrangement.
  • the known lifting device has an economical and, above all, space-saving design, which enables simple lifting and lowering.
  • an otherwise completely uncontrolled turning of the object attached in each case is reduced.
  • the individual lifting traction means are additionally partially deflected several times. The deflections result in a kind of cross-over between the side sections of the two frame arrangements lying one above the other. In this way, they should consist of two lifting devices and the associated side sections of the rectangular side planes of the lifting device which compose the two frame arrangements are prevented from tending to a parallelogram and thus permit relative movement of the two frame arrangements in the horizontal direction to one another.
  • the lifting traction means are deflected triangularly, but the tips of these triangular shapes located in the area of the lower frame arrangement are not fixed.
  • the lower frame arrangement which hangs over deflection rollers, as it were, in these tips of the lifting / traction means is only partially held against lateral deflections.
  • the font WO 2006/047798 A1 discloses a lifting device according to the preamble of claim 1.
  • the present invention is therefore based on the object of further developing a generic lifting device in such a way that it has increased stability with respect to lateral deflections, in particular also due to rotational movements about a vertical direction.
  • This object is achieved according to the invention in a lifting device with the features of claim 1.
  • Advantageous refinements are the subject of the dependent subclaims.
  • the invention is based on the basic idea that this is based on a winding and unwinding Lifting traction means based lifting and lowering, so that the lifting device is lifted solely by the lifting traction means, while the necessary stability is to be provided by additional traction means decoupled from the lifting traction means.
  • additional traction means extending between the two frame arrangements in the sense of inclined traction means.
  • two of the inclined traction means are crossed so that the lower frame arrangement is stabilized relative to the upper frame arrangement in at least one deflection direction transverse to the vertical direction.
  • the stabilizing outcrossing of the side planes does not take place through multiple deflections of the lifting traction means, but rather through additional inclined traction means provided for this purpose.
  • the arrangement of a tensioning device is proposed in addition to the lifting-lowering device.
  • the tensioning device is provided to correspondingly wind up or unwind the inclined traction means, if necessary, in order to bring about their length change which is necessary when the lifting device is lifted.
  • the tensioning device is designed and set up in such a way that each of the inclined traction means can be held under tension by the tensioning device during the winding and unwinding of the lifting traction means.
  • the resultant advantage lies in the now controllable, mechanically decoupled controllability of the individual traction means. In fulfilling their intended use, these are now deliberately divided into lifting traction devices and diagonal traction devices that are physically separate from them. Due to the decoupling, it is possible to control the inclined traction means independently of the lifting traction means, so that the inclined traction means can always be acted upon with a voltage which stabilizes lateral pendulum movements.
  • the inclined traction means are under a constant tensile force, for example, which does not allow any uncontrolled elongation of one side of the triangular shapes formed by the cross-overs between the lifting and inclined traction means.
  • one inclined traction device can extend from a foreground left corner area of the lower frame arrangement to a background right corner area of the upper frame arrangement, while another inclined traction device extends from one background corner corner area of the lower frame arrangement to one extends in the foreground right corner area of the upper frame arrangement. In this way, the crossing of the two inclined traction devices takes place virtually in the center between the two frame arrangements.
  • the crossings of the inclined traction means can preferably be carried out in such a way that they limit the space spanned between the two frame arrangements parallel to its sides and thus do not cross the space.
  • each of the two frame arrangements can have at least three, in particular four, side sections. This results in an essentially triangular or quadrangular basic shape of the two frame arrangements. Between at least one of the side sections of the lower frame arrangement and a side section of the upper frame arrangement lying above in relation to the vertical direction can then advantageously extend at least two inclined traction means which cross on their way between the associated side sections of the two frame arrangements.
  • This configuration offers the advantage of the shortest possible inclined traction means, so that their sometimes inherent elastic variability in length is largely compensated for and / or readjustment of the tension via the tensioning device is simplified.
  • At least two inclined traction means can be arranged in each side region of the space spanned between the two frame arrangements, which are then located in each case between a side section of the lower frame arrangement and one with respect to the vertical direction extend over this side portion of the upper frame assembly and thereby cross.
  • the greatest possible stability of the lower frame arrangement is achieved in all transverse directions with respect to the upper frame arrangement, so that otherwise possible undesirable pendulum movements and / or rotations between the frame arrangements are reduced to a minimum or even completely prevented.
  • this can have at least one lifting drive, which is coupled to a lifting shaft in a torque-transmitting manner.
  • the controlled rotation of the lifting shaft around its longitudinal axis which is possible in this way is used to at least partially wind up and unwind the lifting traction means then connected to the lifting shaft around the lifting shaft.
  • the lifting shaft can be coupled to the lifting drive either directly or indirectly, for example by interposing at least one further component.
  • this can have at least one tensioning drive which is coupled to at least one tensioning shaft in a torque-transmitting manner.
  • the controlled rotation of the at least one tensioning shaft around its longitudinal axis which is possible in this way, is used to at least partially open and then open the inclined traction means connected to the tensioning shaft around the tensioning shaft to handle.
  • the at least one tensioning shaft can be coupled to the tensioning drive either directly or indirectly, for example by interposing at least one further component.
  • the tensioning device can have at least two individual tensioning shafts, which are coupled to the at least one tensioning drive in a torque-transmitting manner.
  • each of the at least two tensioning shafts can be coupled to the tensioning drive either directly or indirectly, for example by interposing at least one further component in each case.
  • at least two of the inclined traction means can be at least partially wound around and unwound from one of the two tensioning shafts.
  • the clamping device can particularly preferably comprise a total of four individual chip shafts, which are coupled to the at least one clamping drive in a torque-transmitting manner.
  • each of the four clamping shafts can be coupled to the clamping drive either directly or indirectly, for example by interposing at least one further component. Consequently, at least two of the inclined traction means can be at least partially wound around and unwound from one of the four tensioning shafts.
  • the tensioning drive designed to generate the necessary torque can preferably be incorporated between one of the tensioning shafts and the gear unit.
  • the tensioning drive can only be connected, for example directly or indirectly, to the transmission unit in a torque-transmitting manner. In any case, this results in an extremely economical structure that requires only a single tensioning drive.
  • the tensioning device can have a total of three or preferably four individual tensioning drives, which are then each coupled to a tensioning shaft.
  • the arrangement of several tensioning drives offers the advantage that the inclined traction means connected to the tensioning shafts are always acted upon independently of one another with the required tensile force. This can be useful, for example, if the anticipated deflections can be better compensated for by specifically controlling the individual tensioning drives.
  • the necessary power and thus the dimensioning of each individual chip drive can be lower.
  • at least two of the inclined traction means at least partially around one of the four Tension shafts can be wound up and unwound again. In a particularly advantageous manner, these are the intersecting traction means, so that the individual sides of the space spanned between the two frame arrangements can be controlled independently of one another via one of the tensioning drives.
  • each of the inclined traction means is firmly attached to the lower frame arrangement.
  • the angle enclosed between a side section of the lower frame arrangement and an associated inclined traction means should also be small in the largest possible lowering position (greatest distance between the upper and lower frame arrangement) fail.
  • a sufficient horizontal component of the tractive force that can be applied to the inclined traction means is hereby achieved in order to largely compensate for any pendulum movements.
  • each side section of the lower frame arrangement and the side section of the upper frame arrangement located above with respect to the vertical direction span a side plane between them, wherein each of the inclined traction means preferably extends from this side plane or within a plane running parallel to the associated side plane from the lower frame arrangement can extend diagonally to the upper frame arrangement.
  • the oblique traction means can extend to a region of an upper corner located between two side sections of the upper frame arrangement.
  • each inclined traction means on the upper frame arrangement is deflected towards a central section of the respective side section.
  • each inclined traction means can then be connected to a tensioning shaft of the tensioning device located in the region of the associated central section.
  • the two oblique traction means which intersect each other can in principle be assigned to a single tensioning shaft, so that they can always be wound up and unwound synchronously and / or the required tensile force can be applied to them.
  • the lifting traction means could preferably be fastened to the lower frame arrangement in the area of a lower corner of the lower frame arrangement located between two of its side sections. From there, each of the lifting traction devices can then extend to the upper frame arrangement.
  • the individual lifting traction means can particularly preferably run parallel to the vertical direction between the two frame arrangements, so that the tractive force existing in the lifting traction means is completely available for the necessary stroke of the lower frame arrangement.
  • each of the lifting traction means is deflected on the upper frame arrangement towards a central section of the respective side section.
  • each lifting traction device can then be connected to a lifting shaft of the lifting-lowering device located in the area of the associated central section.
  • the lifting traction means can all be assigned to a single lifting shaft, so that the lifting traction means can always be wound up and unwound synchronously.
  • Such a configuration enables the lifting and lowering device to be constructed and operated extremely economically.
  • the individual traction means that is to say the lifting and / or inclined traction means, can all be designed differently or identically from one another. All or at least individual traction means can thus preferably be a belt or belt or rope. Of course, combinations of these are also conceivable, which means, for example, the construction of an individual traction means from a belt and a rope. These can contain fibers made of metal and / or a plastic and / or a natural substance, for example, or be formed from at least one of these.
  • the lifting device according to the invention now presented has extremely advantageous properties with regard to the stability of the lower frame arrangement with respect to the upper frame arrangement.
  • the known tendency of such hanging constructions with regard to lateral deflections and / or rotary movements around a vertical direction is achieved according to the invention by a consequent division and in this respect physical separation of the individual traction means.
  • the task of the lifting traction means is now exclusively to raise and lower the lower frame arrangement, while the inclined traction means decoupled from the lifting traction means only serve to stabilize the lower frame arrangement with respect to the upper frame arrangement. Due to the separate control of the split Traction means via the lifting and lowering device and the tensioning device make it possible to keep the inclined traction means used for stabilization at the required length and to apply the necessary tractive force. Any interactions due to the deflection of the traction devices for the purpose of their otherwise combined task fulfillment (lifting as well as lowering and stabilizing) are thus reliably excluded.
  • Fig. 1 shows a perspective view of a lifting device 1 according to the invention.
  • the lifting device 1 comprises two frame arrangements 2, 3, which each extend essentially parallel to a base plane G spanned between a longitudinal direction x and a transverse direction y.
  • the two frame arrangements 2, 3 are arranged directly one above the other in relation to a vertical direction z running perpendicular to the base plane.
  • the with respect to the representation of Fig. 1 The lower frame arrangement 2 shown at the lower edge is suspended on the opposite upper frame arrangement 3 via individual lifting / pulling means H1-H4 due to the force of gravity.
  • This arrangement enables the lower frame arrangement 2 on the upper frame arrangement 3 to be pulled up parallel to the vertical direction z by winding up the individual lifting traction means H1-H4 by means of a lifting / lowering device 4, which is not shown here.
  • the subsequent lowering of the lower frame arrangement 2 in the opposite direction to the vertical direction z takes place by correspondingly unwinding the lifting traction means H1-H4, which were at least partially wound up previously.
  • Each frame assembly 2, 3 has four rectangular shapes between side sections 2a-2d; 3a-3d, the side sections 2a-2d of the lower frame arrangement 2 being arranged opposite the vertical direction z below the side sections 3a-3d of the upper frame arrangement 3.
  • two mutually associated side sections 2a, 3a; 2b, 3b; 2c, 3c; 2d, 3d each a rectangular side plane AD between them.
  • the lifting / lowering device 4 located in the area of the upper frame arrangement 3 in the present case has a total of two lifting drives 4a, 4b which are coupled to a lifting shaft 40 in a torque-transmitting manner.
  • the lifting traction devices H1-H4 are connected to the lifting shaft 40 in such a way that they can at least partially be wound around the lifting shaft 40.
  • the necessary deflections 401-404 of the hoisting traction devices H1-H4 are shown in Fig. 2 more clearly recognizable and explained in more detail in the following associated description of the figures.
  • the lifting shaft 40 can be constructed in one part or, as can be seen here, in several parts.
  • the individual sections of the lifting shaft 40 can preferably be connected to one another in a torque-transmitting manner via joints.
  • further traction devices in the form of inclined traction devices S1a-S1d, S2a-S2d are provided, which are also inclined with respect to the vertical direction z between the two Frame arrangements 2, 3 extend.
  • the individual inclined traction devices S1a-S1d, S2a-S2d are aligned and arranged with respect to one another such that two of the inclined traction devices S1a, S2a; S1b, S2b; S1c, S2c; Cross S1d, S2d together.
  • the two inclined traction devices S1a, S2a parallel to side plane A, the two inclined traction devices S1b, S2b parallel to side plane B, the two inclined traction devices S1c, S2c parallel to side plane C and the two inclined traction devices can clearly be seen crossing each other S1d, S2d parallel to the side plane D.
  • This cross-over has the effect that the lower frame arrangement 2 is stabilized relative to the upper frame arrangement 3 in the possible deflection direction, such as parallel to the longitudinal direction x and / or transverse direction y, for example.
  • All inclined traction devices S1a-S1d, S2a-S2d are connected to a tensioning device 5 and can thus be wound and unwound via this, since the inclined traction devices S1a-S1d, S2a-S2d during the winding and unwinding of the lifting traction devices H1- H4 are stable in a manner not shown for stabilization by the tensioning device 5 under sufficient tension.
  • Both the lifting traction devices H1-H4 and the inclined traction devices S1a-S1d, S2a-S2d are all firmly attached to the lower frame arrangement 2.
  • the fastenings required for this are each arranged in the region of one of the lower corners 6a-6d located between two of the side sections 2a-2d of the lower frame arrangement 2.
  • the lifting traction devices H1-H4 each extend parallel to the vertical direction z up to a region of one of the upper corners 7a-7d located between two of the side sections 3a-3d of the upper frame arrangement 3.
  • the inclined traction means S1a-S1d, S2a-S2d extend quasi diagonally from a region of a lower corner 6a-6d to a corner 7a-7d of the upper frame arrangement 3 opposite to the longitudinal direction x or transverse direction y.
  • Fig. 2 shows the lifting device 1 Fig. 1 in a first side view with a view of the side plane A.
  • the inclined traction means S1a attached to the lower frame arrangement 2 is guided diagonally from a region of the lower corner 6a up to a region of the upper corner 7d of the upper frame arrangement 3 and from diverted from there to a central section 8a of the side section 3a via a deflection 501.
  • the other inclined traction means S2a is also led diagonally from an area of the opposite lower corner 6d up to an area of the opposite upper corner 7a of the upper frame arrangement 3 and from there likewise to the central section 8a of the side section 3a via a deflection 502 redirected.
  • a tensioning shaft 50a of the tensioning drive 5 Arranged in the area of the central section 8a is a tensioning shaft 50a of the tensioning drive 5, with which the two inclined traction means S1a, S2a are connected accordingly.
  • the oblique traction means S1c, S2c which cannot be seen here, are deflected in the area of the opposite side plane C by a respective deflection 503, 504 to a tensioning shaft 50c of the tensioning device 5 arranged in the area of the center section 8c of the associated side section 3c and connected to it.
  • Fig. 2 shows the lifting device 1 from the Fig. 1 and 2nd in a further side view with a view of the side plane D.
  • this is the lower frame arrangement 2 attached oblique traction means S1d analogously to the previous description, diagonally from a region of the lower corner 6d up to a region of the upper corner 7c of the upper frame arrangement 3 and from there to a central section 8d of the side section 3d via a deflection 505.
  • the other inclined traction means S2d is also led diagonally from an area of the opposite lower corner 6c up to an area of the opposite upper corner 7d of the upper frame arrangement 3 and from there likewise to the central section 8d of the side section 3d Deflection 506 deflected.
  • a further tensioning shaft 50d of the tensioning drive 5 is arranged in the area of the middle section 8d, with which the two inclined traction means S1d, S2d are connected accordingly.
  • the oblique traction means S1b, S2b which cannot be seen here, are deflected in the area of the opposite side plane B by a deflection 507, 508 to a tensioning shaft 50b of the tensioning device 5 arranged in the area of a central section 8b of the associated side section 3b and connected to it.
  • Fig. 4 shows a top view of the lifting device 1 of FIG 1 to 3 ; more precisely on its upper frame arrangement 3.
  • the deflection of the four lifting traction devices H1-H4 towards the lifting shaft 40 of the lifting-lowering device 4 is clarified in more detail.
  • tensioning drives 5a-5d of the tensioning device 5 can also be seen, each of which is coupled to one of the four tensioning shafts 50a-50d in a torque-transmitting manner.
  • the tensioning shafts 50a-50d can each be an output shaft of the associated tensioning drive 5a-5d.
  • Fig. 5 An alternative embodiment of the tensioning device 5 can be seen.
  • the individual clamping shafts 50a-50d are coupled to one another via a gear unit 9 located in the center of the upper frame arrangement 3.
  • the only tensioning drive 5a is integrated between one of the tensioning shafts 50a and the gear unit 9. In this way, the torque transmitted from the tensioning drive 5a to the tensioning shaft 50a is transmitted synchronously by the gear unit 9 to the remaining tensioning shafts 50b-50d.
  • the individual tensioning shafts 50a-50d are coupled to the gear unit 9 and the tensioning drive 5a with the interposition of further shaft components.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Tyre Moulding (AREA)
  • Types And Forms Of Lifts (AREA)

Description

Die Erfindung betrifft eine Hubvorrichtung zum Heben und Senken von insbesondere schweren Gegenständen gemäß dem Oberbegriff von Anspruch 1.The invention relates to a lifting device for lifting and lowering particularly heavy objects according to the preamble of claim 1.

Hubvorrichtungen dienen dem in Bezug auf eine Hochrichtung vertikalen Anheben und Absenken von Gegenständen. Je nach Ausgestaltung und Gewicht der zu bewegenden Gegenstände können diese sowohl manuell als auch motorisiert betrieben werden. Neben der Manipulation in vertikaler Richtung weisen derartige Hubvorrichtungen zumeist auch die Möglichkeit der Verlagerung in wenigstens eine Querrichtung auf, so dass ein angehängter Gegenstand an einem Ort anhebbar und an einem anderen Ort wieder ablegbar ist. Dies kann beispielsweise durch die Rotation eines Auslegers der Hubvorrichtung und/oder durch deren seitliche Linearverlagerung erfolgen.Lifting devices are used for lifting and lowering objects vertically in relation to an upright direction. Depending on the design and weight of the objects to be moved, they can be operated both manually and motorized. In addition to the manipulation in the vertical direction, such lifting devices usually also have the possibility of being displaced in at least one transverse direction, so that an attached object can be lifted at one location and deposited again at another location. This can be done, for example, by the rotation of a boom of the lifting device and / or by its lateral linear displacement.

Insbesondere ortsfeste Hubvorrichtungen können mit einer Hängebahn kombiniert sein, um die jeweilige Hubvorrichtung entlang eines üblicherweise baulich festgelegten Weges zu verlagern. Innerhalb eines Werkes bzw. auf einem Werksgelände oder Umschlagplatz angeordnet, können so auch hohe Lasten wie beispielsweise Container oder Fahrzeuge bewegt werden.In particular, stationary lifting devices can be combined with a monorail system in order to displace the respective lifting device along a path that is usually structurally determined. Arranged within a factory or on a factory site or transshipment center, high loads such as containers or vehicles can also be moved.

Die EP 1 106 563 A2 zeigt eine Hubvorrichtung mit zwei in Bezug auf eine Hochrichtung übereinander gelegenen Rahmenanordnungen, von denen die untere Rahmenanordnung über mehrere Hub-Zugmittel so an der oberen Rahmenanordnung hängend angeordnet ist, dass durch Aufwickeln der Hub-Zugmittel mittels einer Heb-Senk-Einrichtung die untere Rahmenanordnung an der oberen Rahmenanordnung hochziehbar und durch anschließendes Abwickeln der Hub-Zugmittel gegenüber der oberen Rahmenanordnung wieder absenkbar ist und umgekehrt. Dabei können die beiden Rahmenanordnungen bevorzugt parallel zueinander ausgerichtet sein, um in Bezug auf den vollständig hochgezogenen Zustand der unteren Rahmenanordnung eine insgesamt möglichst kompakte Bauweise zu erhalten.The EP 1 106 563 A2 shows a lifting device with two frame arrangements one above the other with respect to a vertical direction, of which the lower frame arrangement is arranged so as to hang on the upper frame arrangement via a plurality of lifting traction means such that the lower frame arrangement is wound up by winding up the lifting traction means by means of a lifting-lowering device can be pulled up on the upper frame arrangement and can be lowered again by subsequent unwinding of the lifting traction means relative to the upper frame arrangement and vice versa. The two frame arrangements can preferably be aligned parallel to one another in order to obtain a construction that is as compact as possible overall in relation to the fully raised state of the lower frame arrangement.

Die bekannte Hubvorrichtung weist eine wirtschaftliche und vor allem platzsparende Ausgestaltung auf, die ein einfaches Heben und Senken ermöglicht. Bereits durch den gleichzeitigen Einsatz mehrerer parallel beabstandeter Hub-Zugmittel wird ein ansonsten völlig unkontrolliertes Drehen des jeweils angehängten Gegenstandes reduziert. Um etwaige, bereits durch eine seitliche Auslenkung beim Anfahren oder Abbremsen der mit einem Fahrantrieb ausgestatteten Hubvorrichtung auslösbare Pendelbewegungen weitestgehend zu minimieren, sind die einzelnen Hub-Zugmittel zusätzlich teilweise mehrfach umgelenkt. Durch die Umlenkungen wird eine Art Auskreuzung zwischen den übereinander gelegenen Seitenabschnitten der beiden Rahmenanordnungen erreicht. Auf diese Weise sollen die sich aus jeweils zwei Hub-Zugmitteln sowie den zugehörigen Seitenabschnitten der beiden Rahmenanordnungen zusammensetzenden, rechteckigen Seitenebenen der Hubvorrichtung davor bewahrt werden, sich zu einem Parallelogramm zu neigen und so eine Relativbewegung der beiden Rahmenanordnungen in horizontaler Richtung zueinander zuzulassen.The known lifting device has an economical and, above all, space-saving design, which enables simple lifting and lowering. Already by the simultaneous use of several parallel-spaced lifting traction means, an otherwise completely uncontrolled turning of the object attached in each case is reduced. In order to largely minimize any pendulum movements that can already be triggered by a lateral deflection when starting or braking the lifting device equipped with a travel drive, the individual lifting traction means are additionally partially deflected several times. The deflections result in a kind of cross-over between the side sections of the two frame arrangements lying one above the other. In this way, they should consist of two lifting devices and the associated side sections of the rectangular side planes of the lifting device which compose the two frame arrangements are prevented from tending to a parallelogram and thus permit relative movement of the two frame arrangements in the horizontal direction to one another.

Hierdurch werden die Hub-Zugmittel zwar dreieckförmig umgelenkt, allerdings sind die im Bereich der unteren Rahmenanordnung gelegenen Spitzen dieser Dreiecksformen dabei nicht fixiert. Mit anderen Worten ist es auch so weiter möglich, dass die über Umlenkrollen quasi in diesen Spitzen der Hub-Zugmittel hängende untere Rahmenanordnung nur bedingt vor seitlichen Auslenkungen gehalten ist.As a result, the lifting traction means are deflected triangularly, but the tips of these triangular shapes located in the area of the lower frame arrangement are not fixed. In other words, it is also possible in this way that the lower frame arrangement which hangs over deflection rollers, as it were, in these tips of the lifting / traction means, is only partially held against lateral deflections.

Die Schrift WO 2006/047798 A1 offenbart eine Hubvorrichtung nach dem Oberbegriff des Anspruchs 1.The font WO 2006/047798 A1 discloses a lifting device according to the preamble of claim 1.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine gattungsgemäße Hubvorrichtung dahingehend weiterzuentwickeln, dass diese eine erhöhte Stabilität gegenüber seitlichen Auslenkungen, insbesondere auch dadurch bedingten Drehbewegungen um eine Hochrichtung herum, aufweist. Die Lösung dieser Aufgabe besteht nach der Erfindung in einer Hubvorrichtung mit den Merkmalen von Anspruch 1. Vorteilhafte Ausgestaltungen sind Gegenstand der abhängigen Unteransprüche.The present invention is therefore based on the object of further developing a generic lifting device in such a way that it has increased stability with respect to lateral deflections, in particular also due to rotational movements about a vertical direction. This object is achieved according to the invention in a lifting device with the features of claim 1. Advantageous refinements are the subject of the dependent subclaims.

Die Erfindung geht dabei von dem grundlegenden Gedanken aus, dass das auf einem Ab- sowie Aufwickeln der Hub-Zugmittel basierende Heben und Senken, insofern also der Hub der Hubvorrichtung, allein durch die Hub-Zugmittel realisiert wird, während die notwendige Stabilität über zusätzliche, von den Hub-Zugmitteln entkoppelte Zugmittel erfolgen soll. Hierzu wird vorgeschlagen, zusätzliche, sich zwischen den beiden Rahmenanordnungen erstreckende Zugmittel im Sinne von Schräg-Zugmitteln anzuordnen. Hiervon sind jeweils zwei der Schräg-Zugmittel so miteinander überkreuzt, dass die untere Rahmenanordnung in wenigstens einer quer zur Hochrichtung verlaufenden Auslenkrichtung relativ zur oberen Rahmenanordnung stabilisiert ist. Mit anderen Worten erfolgt hierdurch die stabilisierende Auskreuzung der Seitenebenen nicht durch mehrfache Umlenkungen der Hub-Zugmittel, sondern durch eigens hierfür vorgesehene zusätzliche Schräg-Zugmittel.The invention is based on the basic idea that this is based on a winding and unwinding Lifting traction means based lifting and lowering, so that the lifting device is lifted solely by the lifting traction means, while the necessary stability is to be provided by additional traction means decoupled from the lifting traction means. For this purpose, it is proposed to arrange additional traction means extending between the two frame arrangements in the sense of inclined traction means. Of these, two of the inclined traction means are crossed so that the lower frame arrangement is stabilized relative to the upper frame arrangement in at least one deflection direction transverse to the vertical direction. In other words, the stabilizing outcrossing of the side planes does not take place through multiple deflections of the lifting traction means, but rather through additional inclined traction means provided for this purpose.

Um dem sich bei einem Hub der Hubvorrichtung verändernden Abstand zwischen den beiden Rahmenanordnungen über entsprechende Längenveränderungen der Schräg-Zugmittel folgen zu können, wird zusätzlich zu der Heb-Senk-Einrichtung die Anordnung einer Spann-Einrichtung vorgeschlagen. Die Spann-Einrichtung ist dazu vorgesehen, die Schräg-Zugmittel bei Bedarf entsprechend aufzuwickeln oder abzuwickeln, um deren bei einem Hub der Hubvorrichtung notwendige Längenveränderung zu bewirken. Dabei ist die Spann-Einrichtung so ausgestaltet und eingerichtet, dass jedes der Schräg-Zugmittel während des Aufwickelns und Abwickelns der Hub-Zugmittel durch die Spann-Einrichtung unter Zugspannung haltbar ist.In order to be able to follow the distance between the two frame arrangements changing with a stroke of the lifting device via corresponding changes in length of the inclined traction means, the arrangement of a tensioning device is proposed in addition to the lifting-lowering device. The tensioning device is provided to correspondingly wind up or unwind the inclined traction means, if necessary, in order to bring about their length change which is necessary when the lifting device is lifted. The tensioning device is designed and set up in such a way that each of the inclined traction means can be held under tension by the tensioning device during the winding and unwinding of the lifting traction means.

Der sich hieraus ergebende Vorteil liegt in der nunmehr möglichen, mechanisch voneinander entkoppelten Kontrollierbarkeit der einzelnen Zugmittel. In Erfüllung ihrer vorgesehenen Verwendung sind diese nun gezielt in Hub-Zugmittel und in von diesen physisch getrennte Schräg-Zugmittel aufgeteilt. Aufgrund der Entkopplung ist es möglich, die Schräg-Zugmittel unabhängig von den Hub-Zugmitteln anzusteuern, so dass die Schräg-Zugmittel stets mit einer die Stabilisierung gegenüber seitlichen Pendelbewegungen bewirkenden Spannung beaufschlagbar sind.The resultant advantage lies in the now controllable, mechanically decoupled controllability of the individual traction means. In fulfilling their intended use, these are now deliberately divided into lifting traction devices and diagonal traction devices that are physically separate from them. Due to the decoupling, it is possible to control the inclined traction means independently of the lifting traction means, so that the inclined traction means can always be acted upon with a voltage which stabilizes lateral pendulum movements.

Hierzu stehen die Schräg-Zugmittel unter einer beispielsweise durchgehend gleichbleibenden Zugkraft, die keinerlei unkontrollierte Längung einer Seite der durch die Auskreuzungen gebildeten Dreiecksformen zwischen den Hub- und Schräg-Zugmitteln zulässt.For this purpose, the inclined traction means are under a constant tensile force, for example, which does not allow any uncontrolled elongation of one side of the triangular shapes formed by the cross-overs between the lifting and inclined traction means.

Praktische Verläufe der sich überkreuzenden Schräg-Zugmittel lassen dabei vielfältige Ausgestaltungen zu. So kann ein Schräg-Zugmittel beispielweise von einem im Vordergrund gelegenen linken Eckbereich der unteren Rahmenanordnungen hoch zu einem im Hintergrund gelegenen rechten Eckbereich der oberen Rahmenanordnung reichen, während sich ein anderes Schräg-Zugmittel von einem im Hintergrund gelegenen linken Eckbereich der unteren Rahmenanordnungen hoch zu einem im Vordergrund gelegenen rechten Eckbereich der oberen Rahmenanordnung erstreckt. Auf diese Weise findet die Überkreuzung der beiden Schräg-Zugmittel quasi im Zentrum zwischen den beiden Rahmenanordnungen statt.Practical courses of the intersecting sloping traction devices allow a variety of designs. For example, one inclined traction device can extend from a foreground left corner area of the lower frame arrangement to a background right corner area of the upper frame arrangement, while another inclined traction device extends from one background corner corner area of the lower frame arrangement to one extends in the foreground right corner area of the upper frame arrangement. In this way, the crossing of the two inclined traction devices takes place virtually in the center between the two frame arrangements.

Bevorzugt können die Überkreuzungen der Schräg-Zugmittel so erfolgen, dass sie den zwischen den beiden Rahmenanordnungen aufgespannten Raum parallel zu seinen Seiten begrenzen und insofern den Raum nicht durchkreuzen.The crossings of the inclined traction means can preferably be carried out in such a way that they limit the space spanned between the two frame arrangements parallel to its sides and thus do not cross the space.

Gemäß einer besonders bevorzugten Weiterbildung des grundsätzlichen Erfindungsgedankens kann jede der beiden Rahmenanordnungen jeweils wenigstens drei, insbesondere vier, Seitenabschnitte besitzen. Somit ergibt sich eine im Wesentlichen dreieckige oder viereckige Grundform der beiden Rahmenanordnungen. Zwischen zumindest einem der Seitenabschnitte der unteren Rahmenanordnung und einem in Bezug auf die Hochrichtung über diesem gelegenen Seitenabschnitt der oberen Rahmenanordnung können sich dann in vorteilhafter Weise wenigstens zwei Schräg-Zugmittel erstrecken, die sich auf ihrem Weg zwischen den zugehörigen Seitenabschnitten der beiden Rahmenanordnungen überkreuzen. Diese Ausgestaltung bietet den Vorteil möglichst kurzer Schräg-Zugmittel, so dass deren mitunter immanente elastische Längenveränderbarkeit weitestgehend kompensiert ist und/oder ein Nachjustieren der Spannung über die Spann-Einrichtung vereinfacht wird.According to a particularly preferred development of the basic concept of the invention, each of the two frame arrangements can have at least three, in particular four, side sections. This results in an essentially triangular or quadrangular basic shape of the two frame arrangements. Between at least one of the side sections of the lower frame arrangement and a side section of the upper frame arrangement lying above in relation to the vertical direction can then advantageously extend at least two inclined traction means which cross on their way between the associated side sections of the two frame arrangements. This configuration offers the advantage of the shortest possible inclined traction means, so that their sometimes inherent elastic variability in length is largely compensated for and / or readjustment of the tension via the tensioning device is simplified.

In vorteilhafter Weise können in jedem Seitenbereich des zwischen den beiden Rahmenanordnungen aufgespannten Raums wenigstens zwei Schräg-Zugmittel angeordnet sein, welche sich dann jeweils zwischen einem Seitenabschnitt der unteren Rahmenanordnung und einem in Bezug auf die Hochrichtung über diesem gelegenen Seitenabschnitt der oberen Rahmenanordnung erstrecken und dabei überkreuzen. Auf diese Weise wird eine größtmögliche Stabilität der unteren Rahmenanordnung in allen Querrichtungen gegenüber der oberen Rahmenanordnung erreicht, so dass zwischen den Rahmenanordnungen ansonsten mögliche unerwünschte Pendelbewegungen und/oder Drehungen auf ein Minimum reduziert oder gar vollständig unterbunden werden.Advantageously, at least two inclined traction means can be arranged in each side region of the space spanned between the two frame arrangements, which are then located in each case between a side section of the lower frame arrangement and one with respect to the vertical direction extend over this side portion of the upper frame assembly and thereby cross. In this way, the greatest possible stability of the lower frame arrangement is achieved in all transverse directions with respect to the upper frame arrangement, so that otherwise possible undesirable pendulum movements and / or rotations between the frame arrangements are reduced to a minimum or even completely prevented.

Mit Bezug auf die zum Auf- und Abwickeln der Hub-Zugmittel vorgesehene Heb-Senk-Einrichtung kann diese zumindest einen Hub-Antrieb besitzen, welcher mit einer Hub-Welle drehmomentübertragend gekoppelt ist. Die so mögliche kontrollierte Rotation der Hub-Welle um ihre Längsachse herum wird dazu genutzt, die dann mit der Hub-Welle verbundenen Hub-Zugmittel zumindest teilweise um die Hub-Welle herum auf- und wieder abzuwickeln. Hierzu kann die Hub-Welle entweder direkt oder aber indirekt, beispielsweise durch Zwischenschaltung wenigstens eines weiteren Bauteils, mit dem Hub-Antrieb gekoppelt sein.With regard to the lifting and lowering device provided for winding and unwinding the lifting traction means, this can have at least one lifting drive, which is coupled to a lifting shaft in a torque-transmitting manner. The controlled rotation of the lifting shaft around its longitudinal axis which is possible in this way is used to at least partially wind up and unwind the lifting traction means then connected to the lifting shaft around the lifting shaft. For this purpose, the lifting shaft can be coupled to the lifting drive either directly or indirectly, for example by interposing at least one further component.

Mit Blick auf die Spann-Einrichtung kann diese zumindest einen Spann-Antrieb besitzen, welcher mit wenigstens einer Spann-Welle drehmomentübertragend gekoppelt ist. Die so mögliche kontrollierte Rotation der wenigstens einen Spann-Welle um ihre Längsachse herum wird dazu genutzt, die dann mit der Spann-Welle verbundenen Schräg-Zugmittel zumindest teilweise um die Spann-Welle herum auf- und wieder abzuwickeln. Hierzu kann die wenigstens eine Spann-Welle entweder direkt oder aber indirekt, beispielsweise durch Zwischenschaltung wenigstens eines weiteren Bauteils, mit dem Spann-Antrieb gekoppelt sein.With a view to the tensioning device, this can have at least one tensioning drive which is coupled to at least one tensioning shaft in a torque-transmitting manner. The controlled rotation of the at least one tensioning shaft around its longitudinal axis, which is possible in this way, is used to at least partially open and then open the inclined traction means connected to the tensioning shaft around the tensioning shaft to handle. For this purpose, the at least one tensioning shaft can be coupled to the tensioning drive either directly or indirectly, for example by interposing at least one further component.

Nach einer Weiterbildung der Spann-Einrichtung kann diese wenigstens zwei einzelne Spann-Wellen besitzen, welche mit dem zumindest einen Spann-Antrieb drehmomentübertragend gekoppelt sind. Hierzu kann jede der wenigstens zwei Spann-Wellen entweder direkt oder aber indirekt, beispielsweise durch Zwischenschaltung jeweils wenigstens eines weiteren Bauteils, mit dem Spann-Antrieb gekoppelt sein. Somit sind jeweils zumindest zwei der Schräg-Zugmittel wenigstens teilweise um jeweils eine der beiden Spann-Wellen herum auf- und von dieser abwickelbar.According to a further development of the tensioning device, it can have at least two individual tensioning shafts, which are coupled to the at least one tensioning drive in a torque-transmitting manner. For this purpose, each of the at least two tensioning shafts can be coupled to the tensioning drive either directly or indirectly, for example by interposing at least one further component in each case. Thus, at least two of the inclined traction means can be at least partially wound around and unwound from one of the two tensioning shafts.

Besonders bevorzugt kann die Spann-Einrichtung insgesamt vier einzelne Span-Wellen umfassen, welche mit dem zumindest einen Spann-Antrieb drehmomentübertragend gekoppelt sind. Hierzu kann jede der vier Spann-Wellen entweder direkt oder aber indirekt, beispielsweise durch Zwischenschaltung jeweils wenigstens eines weiteren Bauteils, mit dem Spann-Antrieb gekoppelt sein. Folglich sind jeweils zumindest zwei der Schräg-Zugmittel wenigstens teilweise um jeweils eine der vier Spann-Wellen herum auf- und von dieser abwickelbar.The clamping device can particularly preferably comprise a total of four individual chip shafts, which are coupled to the at least one clamping drive in a torque-transmitting manner. For this purpose, each of the four clamping shafts can be coupled to the clamping drive either directly or indirectly, for example by interposing at least one further component. Consequently, at least two of the inclined traction means can be at least partially wound around and unwound from one of the four tensioning shafts.

In Bezug auf die Ausstattung der Spann-Einrichtung mit wenigstens zwei oder vier Spann-Wellen wird es als besonders vorteilhaft angesehen, wenn diese über eine Getriebeeinheit drehmomentübertragend miteinander gekoppelt sind. Durch die Getriebeeinheit ist es möglich, das angelegte Drehmoment synchron auf alle damit gekoppelten Spann-Wellen aufzubringen. In diesem Zusammenhang kann der zum Erzeugen des notwendigen Drehmoments ausgebildete Spann-Antrieb bevorzugt zwischen einer der Spann-Wellen und der Getriebeeinheit eingegliedert sein. Selbstverständlich sind auch alternative Ausgestaltungen hierzu denkbar, bei denen der Spann-Antrieb nur, beispielsweise direkt oder indirekt, mit der Getriebeeinheit drehmomentübertragend verbunden sein kann. In jedem Fall ergibt sich so ein überaus wirtschaftlicher Aufbau, der mit einem einzelnen Spann-Antrieb auskommt.In terms of equipping the clamping device with at least two or four clamping shafts, it becomes special considered advantageous if these are coupled to one another in a torque-transmitting manner via a gear unit. The gear unit makes it possible to apply the applied torque synchronously to all the tensioning shafts coupled to it. In this context, the tensioning drive designed to generate the necessary torque can preferably be incorporated between one of the tensioning shafts and the gear unit. Of course, alternative configurations are also conceivable in which the tensioning drive can only be connected, for example directly or indirectly, to the transmission unit in a torque-transmitting manner. In any case, this results in an extremely economical structure that requires only a single tensioning drive.

Hinsichtlich einer möglichen alternativen Ausgestaltung der Spann-Einrichtung kann diese insgesamt drei oder bevorzugt vier einzelne Spann-Antriebe besitzen, welche dann jeweils mit einer Spann-Welle gekoppelt sind. Die Anordnung mehrerer Spann-Antriebe bietet den Vorteil, die mit den Spann-Wellen verbundenen Schräg-Zugmittel stets unabhängig voneinander mit der jeweils erforderlichen Zugkraft zu beaufschlagen. Dies kann beispielsweise dann sinnvoll sein, wenn zu erwartende Auslenkungen durch gezieltes Ansteuern der einzelnen Spann-Antriebe besser kompensierbar sind. Überdies können die notwendige Leistung und damit die Dimensionierung jedes einzelnen Span-Antriebs geringer ausfallen. Grundsätzlich ist vorgesehen, dass jeweils zumindest zwei der Schräg-Zugmittel wenigstens teilweise um eine der vier Spann-Wellen herum auf- und wieder abwickelbar sind. In besonders vorteilhafter Weise handelt es sich dabei jeweils um die sich überkreuzenden Schräg-Zugmittel, so dass die einzelnen Seiten des zwischen den beiden Rahmenanordnungen aufgespannten Raums unabhängig voneinander über jeweils einen der Spann-Antriebe kontrollierbar sind.With regard to a possible alternative embodiment of the tensioning device, it can have a total of three or preferably four individual tensioning drives, which are then each coupled to a tensioning shaft. The arrangement of several tensioning drives offers the advantage that the inclined traction means connected to the tensioning shafts are always acted upon independently of one another with the required tensile force. This can be useful, for example, if the anticipated deflections can be better compensated for by specifically controlling the individual tensioning drives. In addition, the necessary power and thus the dimensioning of each individual chip drive can be lower. Basically, it is provided that at least two of the inclined traction means at least partially around one of the four Tension shafts can be wound up and unwound again. In a particularly advantageous manner, these are the intersecting traction means, so that the individual sides of the space spanned between the two frame arrangements can be controlled independently of one another via one of the tensioning drives.

Angesichts der notwendigen Anbindung der einzelnen Zugmittel an die Rahmenanordnungen wird es als besonders vorteilhaft angesehen, wenn jedes der Schräg-Zugmittel fest an der unteren Rahmenanordnung angebracht ist. Durch den Wegfall etwaiger Umlenkrollen zur ansonsten üblichen Umlenkung der Zugmittel wird eine deutlich bessere Stabilitätskontrolle der unteren Rahmenanordnung erreicht. Um eine möglichst effektive Auskreuzung über die Schräg-Zugmittel zwischen den beiden Rahmenanordnungen zu erhalten, sollte der jeweils zwischen einem Seitenabschnitt der unteren Rahmenanordnung und einem damit verbundenen Schräg-Zugmittel eingeschlossene Winkel auch in der größtmöglichen Absenkstellung (größter Abstand zwischen oberer und unterer Rahmenanordnung) gering ausfallen. Hierdurch wird eine ausreichende horizontale Komponente der auf die Schräg-Zugmittel aufbringbaren Zugkraft erreicht, um etwaige Pendelbewegungen weitestgehend zu kompensieren. Vor diesem Hintergrund wird vorgeschlagen, dass die betreffenden Schräg-Zugmittel im Bereich einer zwischen jeweils zwei seiner Seitenabschnitte gelegenen unteren Ecke der unteren Rahmenanordnung an dieser befestigt sein können.In view of the necessary connection of the individual traction means to the frame arrangements, it is considered to be particularly advantageous if each of the inclined traction means is firmly attached to the lower frame arrangement. By eliminating any deflection rollers for the otherwise usual deflection of the traction means, a significantly better stability control of the lower frame arrangement is achieved. In order to achieve the most effective possible cross-over via the inclined traction means between the two frame arrangements, the angle enclosed between a side section of the lower frame arrangement and an associated inclined traction means should also be small in the largest possible lowering position (greatest distance between the upper and lower frame arrangement) fail. A sufficient horizontal component of the tractive force that can be applied to the inclined traction means is hereby achieved in order to largely compensate for any pendulum movements. Against this background, it is proposed that the oblique traction means in question can be fastened to the lower frame arrangement in the region of a lower corner of the lower frame arrangement located between two of its side sections.

Jeweils ein Seitenabschnitt der unteren Rahmenanordnung und der mit Bezug auf die Hochrichtung über diesem gelegenen Seitenabschnitt der oberen Rahmenanordnung spannen eine Seitenebene zwischen sich auf, wobei jedes der Schräg-Zugmittel sich bevorzugt dieser Seitenebene oder innerhalb einer parallel zur zugehörigen Seitenebene verlaufenden Ebene von der unteren Rahmenanordnung aus diagonal zur oberen Rahmenanordnung erstrecken kann. Vorteilhafterweise können sich die Schräg-Zugmittel dabei bis zu einem Bereich einer zwischen jeweils zwei Seitenabschnitten der oberen Rahmenanordnung gelegenen oberen Ecke hin erstrecken.Each side section of the lower frame arrangement and the side section of the upper frame arrangement located above with respect to the vertical direction span a side plane between them, wherein each of the inclined traction means preferably extends from this side plane or within a plane running parallel to the associated side plane from the lower frame arrangement can extend diagonally to the upper frame arrangement. Advantageously, the oblique traction means can extend to a region of an upper corner located between two side sections of the upper frame arrangement.

In einer Weiterbildung der zuvor beschriebenen Anordnung der Schräg-Zugmittel und deren Verlauf wird es als besonders vorteilhaft angesehen, wenn jedes Schräg-Zugmittel an der oberen Rahmenanordnung zu einem Mittenabschnitt des jeweiligen Seitenabschnitts hin umgelenkt ist. Auf diese Weise ist es möglich, dass jedes Schräg-Zugmittel dann mit einer im Bereich des zugehörigen Mittenabschnitts gelegenen Spann-Welle der Spann-Einrichtung verbunden sein kann. Hierdurch können die sich jeweils überkreuzenden zwei Schräg-Zugmittel grundsätzlich einer einzelnen Spann-Welle zugeordnet sein, so dass diese stets synchron auf- und abwickelbar sind und/oder mit der erforderlichen Zugkraft beaufschlagt werden können.In a further development of the arrangement of the inclined traction means described above and its course, it is considered to be particularly advantageous if each inclined traction means on the upper frame arrangement is deflected towards a central section of the respective side section. In this way it is possible that each inclined traction means can then be connected to a tensioning shaft of the tensioning device located in the region of the associated central section. As a result, the two oblique traction means which intersect each other can in principle be assigned to a single tensioning shaft, so that they can always be wound up and unwound synchronously and / or the required tensile force can be applied to them.

Mit Blick auf die Hub-Zugmittel wird vorgeschlagen, dass diese in besonders bevorzugter Weise allesamt fest an der unteren Rahmenanordnung angebracht sein können. Durch den Wegfall etwaiger Umlenkrollen zur ansonsten üblichen Umlenkung der Zugmittel wird eine deutlich bessere Stabilitätskontrolle der unteren Rahmenanordnung erreicht.With a view to the lifting traction means, it is suggested that all of these are firmly attached to the in a particularly preferred manner lower frame assembly can be attached. By eliminating any deflection rollers for the otherwise usual deflection of the traction means, a significantly better stability control of the lower frame arrangement is achieved.

Um eine möglichst stabile Verbindung der unteren Rahmenanordnung an der oberen Rahmenanordnung zu erhalten, könnten die Hub-Zugmittel bevorzugt im Bereich einer zwischen jeweils zwei seiner Seitenabschnitte gelegenen unteren Ecke der unteren Rahmenanordnung an dieser befestigt sein. Von dort aus kann sich dann jedes der Hub-Zugmittel zur oberen Rahmenanordnung hin erstrecken. Besonders bevorzugt können die einzelnen Hub-Zugmittel dabei parallel zur Hochrichtung zwischen den beiden Rahmenanordnungen verlaufen, so dass die in den Hub-Zugmitteln bestehende Zugkraft vollständig für den notwendigen Hub der unteren Rahmenanordnung zur Verfügung steht.In order to obtain a connection of the lower frame arrangement to the upper frame arrangement that is as stable as possible, the lifting traction means could preferably be fastened to the lower frame arrangement in the area of a lower corner of the lower frame arrangement located between two of its side sections. From there, each of the lifting traction devices can then extend to the upper frame arrangement. The individual lifting traction means can particularly preferably run parallel to the vertical direction between the two frame arrangements, so that the tractive force existing in the lifting traction means is completely available for the necessary stroke of the lower frame arrangement.

In diesem Zusammenhang wird es als besonders vorteilhaft angesehen, wenn jedes der Hub-Zugmittel dabei an der oberen Rahmenanordnung zu einem Mittenabschnitt des jeweiligen Seitenabschnitts hin umgelenkt ist. Auf diese Weise ist es möglich, dass jedes Hub-Zugmittel dann mit einer im Bereich des zugehörigen Mittenabschnitts gelegenen Hub-Welle der Heb-Senk-Einrichtung verbunden sein kann. Hierdurch können die Hub-Zugmittel allesamt einer einzigen Hub-Welle zugeordnet sein, so dass die Hub-Zugmittel stets synchron auf- und abwickelbar sind.In this context, it is considered to be particularly advantageous if each of the lifting traction means is deflected on the upper frame arrangement towards a central section of the respective side section. In this way it is possible that each lifting traction device can then be connected to a lifting shaft of the lifting-lowering device located in the area of the associated central section. As a result, the lifting traction means can all be assigned to a single lifting shaft, so that the lifting traction means can always be wound up and unwound synchronously.

Eine derartige Ausgestaltung ermöglicht einen überaus wirtschaftlichen Aufbau und Betrieb der Heb-Senk-Einrichtung.Such a configuration enables the lifting and lowering device to be constructed and operated extremely economically.

Die einzelnen Zugmittel, also die Hub- und/oder Schräg-Zugmittel können allesamt voneinander unterschiedlich oder gleich ausgebildet sein. Bevorzugte können damit alle oder zumindest einzelne Zugmittel ein Riemen oder Gurt oder Seil sein. Selbstverständlich sind auch Kombinationen hieraus denkbar, was beispielsweise den Aufbau eines einzelnen Zugmittels aus einem Riemen und einem Seil meint. Diese können Fasern aus beispielsweise Metall und/oder einem Kunststoff und/oder einem natürlichen Stoff enthalten oder aus wenigstens einem dieser gebildet sein.The individual traction means, that is to say the lifting and / or inclined traction means, can all be designed differently or identically from one another. All or at least individual traction means can thus preferably be a belt or belt or rope. Of course, combinations of these are also conceivable, which means, for example, the construction of an individual traction means from a belt and a rope. These can contain fibers made of metal and / or a plastic and / or a natural substance, for example, or be formed from at least one of these.

Die nunmehr vorgestellte erfindungsgemäße Hubvorrichtung weist überaus vorteilhafte Eigenschaften in Bezug auf die Stabilität der unteren Rahmenanordnung gegenüber der oberen Rahmenanordnung auf. Die bekannte Tendenz derartiger hängender Konstruktionen hinsichtlich seitlicher Auslenkungen und/oder Drehbewegungen um eine Hochrichtung herum wird erfindungsgemäß durch eine konsequente Aufteilung und insofern physische Trennung der einzelnen Zugmittel erreicht. So besteht die Aufgabe der Hub-Zugmittel nun ausschließlich im Heben und Senken der unteren Rahmenanordnung, während die von den Hub-Zugmitteln entkoppelten Schräg-Zugmittel einzig der Stabilisierung der unteren Rahmenanordnung gegenüber der oberen Rahmenanordnung dienen. Aufgrund der voneinander getrennten Ansteuerung der so aufgeteilten Zugmittel über die Heb-Senk-Einrichtung und die Spann-Einrichtung ist es möglich, die der Stabilisierung dienenden Schräg-Zugmittel stets auf der erforderlichen Länge zu halten und mit der jeweils notwendigen Zugkraft zu beaufschlagen. Etwaige Wechselwirkungen durch Umlenkungen der Zugmittel zum Zwecke deren ansonsten kombinierten Aufgabenerfüllung (Heben sowie Senken und Stabilisieren) sind damit sicher ausgeschlossen.The lifting device according to the invention now presented has extremely advantageous properties with regard to the stability of the lower frame arrangement with respect to the upper frame arrangement. The known tendency of such hanging constructions with regard to lateral deflections and / or rotary movements around a vertical direction is achieved according to the invention by a consequent division and in this respect physical separation of the individual traction means. The task of the lifting traction means is now exclusively to raise and lower the lower frame arrangement, while the inclined traction means decoupled from the lifting traction means only serve to stabilize the lower frame arrangement with respect to the upper frame arrangement. Due to the separate control of the split Traction means via the lifting and lowering device and the tensioning device make it possible to keep the inclined traction means used for stabilization at the required length and to apply the necessary tractive force. Any interactions due to the deflection of the traction devices for the purpose of their otherwise combined task fulfillment (lifting as well as lowering and stabilizing) are thus reliably excluded.

Die Erfindung wird im Folgenden anhand eines in den Figuren dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1
eine erfindungsgemäße Hubvorrichtung in einer perspektivischen Darstellungsweise,
Fig. 2
die Hubvorrichtung aus Fig. 1 in einer ersten Seitenansicht,
Fig. 3
die Hubvorrichtung aus den Fig. 1 und 2 in einer weiteren zweiten Seitenansicht,
Fig. 4
eine Aufsicht auf die Hubvorrichtung aus den Fig. 1 bis 3 sowie
Fig. 5
eine Untersicht unter einen oberen Teil der Hubvorrichtung aus den Fig. 1 bis 4 mit einer zur Darstellung von Fig. 4 alternativen Ausführungsform.
The invention is explained in more detail below with reference to an embodiment shown in the figures. Show it:
Fig. 1
a lifting device according to the invention in a perspective view,
Fig. 2
the lifting device Fig. 1 in a first side view,
Fig. 3
the lifting device from the Fig. 1 and 2nd in another second side view,
Fig. 4
a supervision of the lifting device from the 1 to 3 such as
Fig. 5
a bottom view under an upper part of the lifting device from the 1 to 4 with a to represent Fig. 4 alternative embodiment.

Fig. 1 zeigt eine perspektivische Darstellung einer erfindungsgemäßen Hubvorrichtung 1. Die Hubvorrichtung 1 umfasst zwei Rahmenanordnungen 2, 3, die sich im Wesentlichen jeweils parallel zu einer zwischen einer Längsrichtung x und einer Querrichtung y aufgespannten Grundebene G erstrecken. Dabei sind die beiden Rahmenanordnungen 2, 3 in Bezug auf eine senkrecht zur Grundebene verlaufende Hochrichtung z unmittelbar übereinander angeordnet. Die mit Bezug auf die Darstellung von Fig. 1 am unteren Rand gezeigte untere Rahmenanordnung 2 ist über einzelne Hub-Zugmittel H1-H4 aufgrund der Schwerkraft hängend an der demgegenüber oberen Rahmenanordnung 3 angeordnet. Diese Anordnung ermöglicht es, dass durch hier nicht näher gezeigtes Aufwickeln der einzelnen Hub-Zugmittel H1-H4 mittels einer Heb-Senk-Einrichtung 4 die untere Rahmenanordnung 2 an der oberen Rahmenanordnung 3 parallel zur Hochrichtung z hochziehbar ist. Das in umgekehrter Richtung gegen die Hochrichtung z erfolgende anschließende Absenken der unteren Rahmenanordnung 2 erfolgt durch entsprechendes Abwickeln der zuvor zumindest teilweise aufgewickelten Hub-Zugmittel H1-H4. Fig. 1 shows a perspective view of a lifting device 1 according to the invention. The lifting device 1 comprises two frame arrangements 2, 3, which each extend essentially parallel to a base plane G spanned between a longitudinal direction x and a transverse direction y. The two frame arrangements 2, 3 are arranged directly one above the other in relation to a vertical direction z running perpendicular to the base plane. The with respect to the representation of Fig. 1 The lower frame arrangement 2 shown at the lower edge is suspended on the opposite upper frame arrangement 3 via individual lifting / pulling means H1-H4 due to the force of gravity. This arrangement enables the lower frame arrangement 2 on the upper frame arrangement 3 to be pulled up parallel to the vertical direction z by winding up the individual lifting traction means H1-H4 by means of a lifting / lowering device 4, which is not shown here. The subsequent lowering of the lower frame arrangement 2 in the opposite direction to the vertical direction z takes place by correspondingly unwinding the lifting traction means H1-H4, which were at least partially wound up previously.

Jede Rahmenanordnung 2, 3 besitzt vier eine rechteckige Form zwischen sich einschließende Seitenabschnitte 2a-2d; 3a-3d, wobei die Seitenabschnitte 2a-2d der unteren Rahmenanordnung 2 entgegen der Hochrichtung z unterhalb der Seitenabschnitte 3a-3d der oberen Rahmenanordnung 3 angeordnet sind. Damit spannen jeweils zwei einander zugehörige Seitenabschnitte 2a, 3a; 2b, 3b; 2c, 3c; 2d, 3d jeweils eine rechteckige Seitenebene A-D zwischen sich auf. Die im Bereich der oberen Rahmenanordnung 3 gelegene Heb-Senk-Einrichtung 4 weist vorliegend insgesamt zwei Hub-Antriebe 4a, 4b auf, die mit einer Hub-Welle 40 drehmomentübertragend gekoppelt sind. Dabei sind die Hub-Zugmittel H1-H4 so mit der Hub-Welle 40 verbunden, dass diese zumindest teilweise um die Hub-Welle 40 herum aufwickelbar sind. Die hierfür notwendigen Umlenkungen 401-404 der Hub-Zugmittel H1-H4 sind in Fig. 2 deutlicher erkennbar und in der nachfolgenden zugehörigen Figurenbeschreibung näher erläutert. Die Hub-Welle 40 kann einteilig oder, wie vorliegend ersichtlich, mehrteilig aufgebaut sein. Die einzelnen Abschnitte der Hub-Welle 40 können bevorzugt über Gelenke drehmomentübertragend miteinander verbunden sein.Each frame assembly 2, 3 has four rectangular shapes between side sections 2a-2d; 3a-3d, the side sections 2a-2d of the lower frame arrangement 2 being arranged opposite the vertical direction z below the side sections 3a-3d of the upper frame arrangement 3. Thus, two mutually associated side sections 2a, 3a; 2b, 3b; 2c, 3c; 2d, 3d each a rectangular side plane AD between them. The lifting / lowering device 4 located in the area of the upper frame arrangement 3 in the present case has a total of two lifting drives 4a, 4b which are coupled to a lifting shaft 40 in a torque-transmitting manner. The lifting traction devices H1-H4 are connected to the lifting shaft 40 in such a way that they can at least partially be wound around the lifting shaft 40. The necessary deflections 401-404 of the hoisting traction devices H1-H4 are shown in Fig. 2 more clearly recognizable and explained in more detail in the following associated description of the figures. The lifting shaft 40 can be constructed in one part or, as can be seen here, in several parts. The individual sections of the lifting shaft 40 can preferably be connected to one another in a torque-transmitting manner via joints.

Über die zum Heben und Senken, also für den Hub, ausgebildeten Hub-Zugmittel H1 - H4 hinaus sind weitere Zugmittel in Form von Schräg-Zugmitteln S1a-S1d, S2a-S2d vorgesehen, die sich jeweils gegenüber der Hochrichtung z geneigt ebenfalls zwischen den beiden Rahmenanordnungen 2, 3 erstrecken. Dabei sind die einzelnen Schräg-Zugmittel S1a-S1d, S2a-S2d so zueinander ausgerichtet und angeordnet, dass sich jeweils zwei der Schräg-Zugmittel S1a, S2a; S1b, S2b; S1c, S2c; S1d, S2d miteinander überkreuzen. Erkennbar kreuzen sich dabei die beiden Schräg-Zugmittel S1a, S2a parallel zur Seitenebene A, die beiden Schräg-Zugmittel S1b, S2b parallel zur Seitenebene B, die beiden Schräg-Zugmittel S1c, S2c parallel zur Seitenebene C und die beiden Schräg-Zugmittel S1d, S2d parallel zur Seitenebene D. Diese Auskreuzung bewirkt, dass die untere Rahmenanordnung 2 in den möglichen Auslenkrichtung, wie etwa parallel zur Längsrichtung x und/oder Querrichtung y, relativ zur oberen Rahmenanordnung 3 gegenüber dieser stabilisiert ist.In addition to the lifting traction devices H1 - H4 designed for lifting and lowering, i.e. for lifting, further traction devices in the form of inclined traction devices S1a-S1d, S2a-S2d are provided, which are also inclined with respect to the vertical direction z between the two Frame arrangements 2, 3 extend. The individual inclined traction devices S1a-S1d, S2a-S2d are aligned and arranged with respect to one another such that two of the inclined traction devices S1a, S2a; S1b, S2b; S1c, S2c; Cross S1d, S2d together. The two inclined traction devices S1a, S2a parallel to side plane A, the two inclined traction devices S1b, S2b parallel to side plane B, the two inclined traction devices S1c, S2c parallel to side plane C and the two inclined traction devices can clearly be seen crossing each other S1d, S2d parallel to the side plane D. This cross-over has the effect that the lower frame arrangement 2 is stabilized relative to the upper frame arrangement 3 in the possible deflection direction, such as parallel to the longitudinal direction x and / or transverse direction y, for example.

Sämtliche Schräg-Zugmittel S1a-S1d, S2a-S2d sind mit einer Spann-Einrichtung 5 verbunden und so über diese aufwickelbar sowie abwickelbar, da die Schräg-Zugmittel S1a-S1d, S2a-S2d während des Aufwickelns und Abwickelns der Hub-Zugmittel H1-H4 in nicht näher dargestellter Weise zur Stabilisierung durch die Spann-Einrichtung 5 unter ausreichender Zugspannung haltbar sind.All inclined traction devices S1a-S1d, S2a-S2d are connected to a tensioning device 5 and can thus be wound and unwound via this, since the inclined traction devices S1a-S1d, S2a-S2d during the winding and unwinding of the lifting traction devices H1- H4 are stable in a manner not shown for stabilization by the tensioning device 5 under sufficient tension.

Sowohl die Hub-Zugmittel H1-H4 als auch die Schräg-Zugmittel S1a-S1d, S2a-S2d sind allesamt fest an der unteren Rahmenanordnung 2 angebracht. Die hierfür erforderlichen Befestigungen sind jeweils im Bereich einer der zwischen jeweils zwei der Seitenabschnitte 2a-2d der unteren Rahmenanordnung 2 gelegenen unteren Ecken 6a-6d angeordnet. Von dort aus erstrecken sich die Hub-Zugmittel H1-H4 jeweils parallel zur Hochrichtung z bis hin zu einem Bereich einer der zwischen jeweils zwei der Seitenabschnitte 3a-3d der oberen Rahmenanordnung 3 gelegenen oberen Ecken 7a-7d. Demgegenüber erstrecken sich die Schräg-Zugmittel S1a-S1d, S2a-S2d quasi diagonal von einem Bereich einer unteren Ecke 6a-6d hoch zu parallel zur Längsrichtung x oder Querrichtung y gegenüberliegenden Ecke 7a-7d der oberen Rahmenanordnung 3.Both the lifting traction devices H1-H4 and the inclined traction devices S1a-S1d, S2a-S2d are all firmly attached to the lower frame arrangement 2. The fastenings required for this are each arranged in the region of one of the lower corners 6a-6d located between two of the side sections 2a-2d of the lower frame arrangement 2. From there, the lifting traction devices H1-H4 each extend parallel to the vertical direction z up to a region of one of the upper corners 7a-7d located between two of the side sections 3a-3d of the upper frame arrangement 3. In contrast, the inclined traction means S1a-S1d, S2a-S2d extend quasi diagonally from a region of a lower corner 6a-6d to a corner 7a-7d of the upper frame arrangement 3 opposite to the longitudinal direction x or transverse direction y.

Fig. 2 zeigt die Hubvorrichtung 1 aus Fig. 1 in einer ersten Seitenansicht mit Blick auf die Seitenebene A. Wie zu erkennen, wird das an der unteren Rahmenanordnung 2 befestigte Schräg-Zugmittel S1a diagonal von einem Bereich der unteren Ecke 6a hoch zu einem Bereich der oberen Ecke 7d der oberen Rahmenanordnung 3 geführt und von dort aus zu einem Mittenabschnitt 8a des Seitenabschnitts 3a hin über eine Umlenkung 501 umgelenkt. In quasi gespiegelter Weise ist auch das andere Schräg-Zugmittel S2a diagonal von einem Bereich der gegenüberliegenden unteren Ecke 6d hoch zu einem Bereich der gegenüberliegenden oberen Ecke 7a der oberen Rahmenanordnung 3 geführt und von dort aus ebenfalls zum Mittenabschnitt 8a des Seitenabschnitts 3a hin über eine Umlenkung 502 umgelenkt. Im Bereich des Mittenabschnitts 8a ist eine Spann-Welle 50a des Spann-Antriebs 5 angeordnet, mit der die beiden Schräg-Zugmittel S1a, S2a entsprechend verbunden sind. Fig. 2 shows the lifting device 1 Fig. 1 in a first side view with a view of the side plane A. As can be seen, the inclined traction means S1a attached to the lower frame arrangement 2 is guided diagonally from a region of the lower corner 6a up to a region of the upper corner 7d of the upper frame arrangement 3 and from diverted from there to a central section 8a of the side section 3a via a deflection 501. In a quasi-mirrored manner, the other inclined traction means S2a is also led diagonally from an area of the opposite lower corner 6d up to an area of the opposite upper corner 7a of the upper frame arrangement 3 and from there likewise to the central section 8a of the side section 3a via a deflection 502 redirected. Arranged in the area of the central section 8a is a tensioning shaft 50a of the tensioning drive 5, with which the two inclined traction means S1a, S2a are connected accordingly.

In gleicher Weise sind die hier nicht erkennbaren Schräg-Zugmittel S1c, S2c im Bereich der gegenüberliegenden Seitenebene C um jeweils eine Umlenkung 503, 504 zu einer im Bereich des Mittenabschnitts 8c des zugehörigen Seitenabschnitts 3c angeordneten Spann-Welle 50c der Spann-Einrichtung 5 hin umgelenkt und mit dieser verbunden.In the same way, the oblique traction means S1c, S2c, which cannot be seen here, are deflected in the area of the opposite side plane C by a respective deflection 503, 504 to a tensioning shaft 50c of the tensioning device 5 arranged in the area of the center section 8c of the associated side section 3c and connected to it.

Fig. 2 zeigt die Hubvorrichtung 1 aus den Fig. 1 und 2 in einer weiteren Seitenansicht mit Blick auf die Seitenebene D. Wie zu erkennen, wird das an der unteren Rahmenanordnung 2 befestigte Schräg-Zugmittel S1d analog zu der vorherigen Beschreibung diagonal von einem Bereich der unteren Ecke 6d hoch zu einem Bereich der oberen Ecke 7c der oberen Rahmenanordnung 3 geführt und von dort aus zu einem Mittenabschnitt 8d des Seitenabschnitts 3d hin über eine Umlenkung 505 umgelenkt. In hier ebenfalls gespiegelter Weise ist auch das andere Schräg-Zugmittel S2d diagonal von einem Bereich der gegenüberliegenden unteren Ecke 6c hoch zu einem Bereich der gegenüberliegenden oberen Ecke 7d der oberen Rahmenanordnung 3 geführt und von dort aus ebenfalls zum Mittenabschnitt 8d des Seitenabschnitts 3d hin über eine Umlenkung 506 umgelenkt. Im Bereich des Mittenabschnitts 8d ist eine weitere Spann-Welle 50d des Spann-Antriebs 5 angeordnet, mit der die beiden Schräg-Zugmittel S1d, S2d entsprechend verbunden sind. Fig. 2 shows the lifting device 1 from the Fig. 1 and 2nd in a further side view with a view of the side plane D. As can be seen, this is the lower frame arrangement 2 attached oblique traction means S1d analogously to the previous description, diagonally from a region of the lower corner 6d up to a region of the upper corner 7c of the upper frame arrangement 3 and from there to a central section 8d of the side section 3d via a deflection 505. Likewise mirrored here, the other inclined traction means S2d is also led diagonally from an area of the opposite lower corner 6c up to an area of the opposite upper corner 7d of the upper frame arrangement 3 and from there likewise to the central section 8d of the side section 3d Deflection 506 deflected. A further tensioning shaft 50d of the tensioning drive 5 is arranged in the area of the middle section 8d, with which the two inclined traction means S1d, S2d are connected accordingly.

In gleicher Weise sind die hier nicht erkennbaren Schräg-Zugmittel S1b, S2b im Bereich der gegenüberliegenden Seitenebene B um jeweils eine Umlenkung 507, 508 zu einer im Bereich eines Mittenabschnitts 8b des zugehörigen Seitenabschnitts 3b angeordneten Spann-Welle 50b der Spann-Einrichtung 5 hin umgelenkt und mit dieser verbunden.In the same way, the oblique traction means S1b, S2b, which cannot be seen here, are deflected in the area of the opposite side plane B by a deflection 507, 508 to a tensioning shaft 50b of the tensioning device 5 arranged in the area of a central section 8b of the associated side section 3b and connected to it.

Fig. 4 zeigt eine Aufsicht auf die Hubeinrichtung 1 der Fig. 1 bis 3; genauer auf deren obere Rahmenanordnung 3. Hierin wird nochmals die Umlenkung der vier Hub-Zugmittel H1-H4 hin zur Hub-Welle 40 der Heb-Senk-Einrichtung 4 näher verdeutlicht. Fig. 4 shows a top view of the lifting device 1 of FIG 1 to 3 ; more precisely on its upper frame arrangement 3. The deflection of the four lifting traction devices H1-H4 towards the lifting shaft 40 of the lifting-lowering device 4 is clarified in more detail.

Erkennbar sind diese jeweils zu den beiden Mittenabschnitten 8a, 8c der zugehörigen Seitenabschnitte 3a, 3b hin umgelenkt, zwischen denen sich die Hub-Welle 40 erstreckt. Weiterhin erkennbar sind vier voneinander getrennte Spann-Antriebe 5a-5d der Spann-Einrichtung 5, die mit jeweils einer der vier Spann-Wellen 50a-50d drehmomentübertragend gekoppelt sind. Bei den Spann-Wellen 50a-50d kann es sich jeweils um eine Abtriebswelle des zugehörigen Spann-Antriebs 5a-5d handeln.As can be seen, these are each deflected toward the two central sections 8a, 8c of the associated side sections 3a, 3b, between which the lifting shaft 40 extends. Four mutually separate tensioning drives 5a-5d of the tensioning device 5 can also be seen, each of which is coupled to one of the four tensioning shafts 50a-50d in a torque-transmitting manner. The tensioning shafts 50a-50d can each be an output shaft of the associated tensioning drive 5a-5d.

Fig. 5 ist eine alternative Ausgestaltung der Spann-Einrichtung 5 zu entnehmen. In der hier gezeigten Untersicht in Hochrichtung z unter die obere Rahmenanordnung 3 ist erkennbar nur ein einzelner Spann-Antrieb 5a vorgesehen. Dabei sind die einzelnen Spann-Wellen 50a-50d über eine im Zentrum der oberen Rahmenanordnung 3 gelegene Getriebeeinheit 9 miteinander gekoppelt. Dabei ist der einzige Spann-Antrieb 5a zwischen einer der Spann-Wellen 50a und der Getriebeeinheit 9 eingegliedert. Auf diese Weise wird das von dem Spann-Antrieb 5a auf die Spann-Welle 50a übertragene Drehmoment durch die Getriebeeinheit 9 auf die restlichen Spann-Wellen 50b-50d synchron übertragen. Ersichtlich sind die einzelnen Spann-Wellen 50a-50d unter Zwischenschaltung weiterer Wellenbauteile mit der Getriebeeinheit 9 und dem Spann-Antrieb 5a gekoppelt. Fig. 5 An alternative embodiment of the tensioning device 5 can be seen. In the bottom view shown here in the vertical direction z underneath the upper frame arrangement 3, only a single tensioning drive 5a is evidently provided. The individual clamping shafts 50a-50d are coupled to one another via a gear unit 9 located in the center of the upper frame arrangement 3. The only tensioning drive 5a is integrated between one of the tensioning shafts 50a and the gear unit 9. In this way, the torque transmitted from the tensioning drive 5a to the tensioning shaft 50a is transmitted synchronously by the gear unit 9 to the remaining tensioning shafts 50b-50d. As can be seen, the individual tensioning shafts 50a-50d are coupled to the gear unit 9 and the tensioning drive 5a with the interposition of further shaft components.

Bezugszeichenliste:Reference symbol list:

11
HubvorrichtungLifting device
22nd
untere Rahmenanordnung von 1lower frame arrangement of FIG. 1
2a2a
Seitenabschnitt von 2Side section of 2
2b2 B
Seitenabschnitt von 2Side section of 2
2c2c
Seitenabschnitt von 2Side section of 2
2d2d
Seitenabschnitt von 2Side section of 2
33rd
obere Rahmenanordnung von 1upper frame arrangement of FIG. 1
3a3a
Seitenabschnitt von 3Side section of 3
3b3b
Seitenabschnitt von 3Side section of 3
3c3c
Seitenabschnitt von 3Side section of 3
3d3d
Seitenabschnitt von 3Side section of 3
44th
Heb-Senk-Einrichtung von 1Lift-lower device from 1
4a4a
Hub-Antrieb von 4Hub drive from 4
4b4b
Hub-Antrieb von 4Hub drive from 4
55
Spann-Einrichtung von 1Clamping device from 1
5a5a
Spann-Antrieb von 5Clamping drive from 5
5b5b
Spann-Antrieb von 5Clamping drive from 5
5c5c
Spann-Antrieb von 5Clamping drive from 5
5d5d
Spann-Antrieb von 5Clamping drive from 5
6a6a
untere Ecke zwischen 2a und 2blower corner between 2a and 2b
6b6b
untere Ecke zwischen 2b und 2clower corner between 2b and 2c
6c6c
untere Ecke zwischen 2c und 2dlower corner between 2c and 2d
6d6d
untere Ecke zwischen 2d und 2alower corner between 2d and 2a
7a7a
obere Ecke zwischen 3a und 3bupper corner between 3a and 3b
7b7b
obere Ecke zwischen 3b und 3cupper corner between 3b and 3c
7c7c
obere Ecke zwischen 3c und 3dupper corner between 3c and 3d
7d7d
obere Ecke zwischen 3d und 3aupper corner between 3d and 3a
8a8a
Mittenabschnitt von 3aMiddle section of 3a
8b8b
Mittenabschnitt von 3bMiddle section of 3b
8c8c
Mittenabschnitt von 3cMiddle section of 3c
8d8d
Mittenabschnitt von 3dMid section of 3d
99
Getriebeeinheit zwischen 50a-50dGear unit between 50a-50d
4040
Hub-Welle von 4Stroke shaft of 4
50a50a
Spann-Welle von 5Clamping shaft of 5
50b50b
Spann-Welle von 5Clamping shaft of 5
50c50c
Spann-Welle von 5Clamping shaft of 5
50d50d
Spann-Welle von 5Clamping shaft of 5
401401
Umlenkung für H1Redirection for H1
402402
Umlenkung für H2Redirection for H2
403403
Umlenkung für H3Redirection for H3
404404
Umlenkung für H4Redirection for H4
501501
Umlenkung für S1aRedirection for S1a
502502
Umlenkung für S2aRedirection for S2a
503503
Umlenkung für S1cRedirection for S1c
504504
Umlenkung für S2cRedirection for S2c
505505
Umlenkung für S1dRedirection for S1d
506506
Umlenkung für S2dRedirection for S2d
507507
Umlenkung für S1bRedirection for S1b
508508
Umlenkung für S2bRedirection for S2b
AA
Seitenebene von 1Page level of 1
BB
Seitenebene von 1Page level of 1
CC.
Seitenebene von 1Page level from 1
DD
Seitenebene von 1Page level of 1
H1H1
Hub-ZugmittelLifting traction devices
H2H2
Hub-ZugmittelLifting traction devices
H3H3
Hub-ZugmittelLifting traction devices
H4H4
Hub-ZugmittelLifting traction devices
S1aS1a
Schräg-ZugmittelSloping traction device
S1bS1b
Schräg-ZugmittelSloping traction device
S1cS1c
Schräg-ZugmittelSloping traction device
S1dS1d
Schräg-ZugmittelSloping traction device
S2aS2a
Schräg-ZugmittelSloping traction device
S2bS2b
Schräg-ZugmittelSloping traction device
S2cS2c
Schräg-ZugmittelSloping traction device
S2dS2d
Schräg-ZugmittelSloping traction device
GG
GrundebeneGround level
XX
LängsrichtungLongitudinal direction
YY
QuerrichtungCross direction
ZZ
HochrichtungVertical direction

Claims (13)

  1. Lifting device (1) for the lifting and lowering of, in particular heavy, objects, comprising two frame arrangements (2, 3) which are placed one above the other, with respect to a vertical direction (z), and which in particular are aligned parallel to one another, of which the lower frame arrangement (2) is arranged suspended from the upper frame arrangement (3) via lifting-traction means (H1-H4) so that by winding up the lifting-traction means (H1-H4) the lower frame arrangement (2) can be pulled up against the upper frame arrangement (3) by means of a lifting-lowering device (4), and can be lowered relative to the upper frame arrangement (3) by unwinding the lifting-traction means (H1-H4), wherein inclined traction means (S1a-S1d, S2a-S2d) which can be wound up and unwound by means of a tensioning device (5) extend between the two frame arrangements (2, 3), with each two crossing over with one another so that the lower frame arrangement (2) is stabilised relative to the upper frame arrangement (3) in at least one deflecting direction running transversely to the vertical direction (z), and wherein during winding up and unwinding of the lifting-traction means (H1-H4) each of the inclined traction means (S1a-S1d, S2a-S2d) can be held under a tensile stress by the tensioning device (5), wherein the frame arrangements (2, 3) each have at least three, in particular four, side sections (2a-2d; 3a-3d), characterised in that at least two crossing inclined traction means (S1a-S1d; S2a-S2d) extend between at least one of the side sections (2a-2d) of the lower frame arrangement (2) and a side section (3a-3d) of the upper frame arrangement (3) placed above same with respect to the vertical direction (z).
  2. Lifting device (1) according to claim 1, characterised in that at least two crossing inclined traction means (S1a-S1d, Sa-S2d) extend between each side section (2a-2d) of the lower frame arrangement (2) and one side section (3a-3d) of the upper frame arrangement (3), placed above same with respect to the vertical direction (z).
  3. Lifting device (1) according to claim 1 or 2 characterised in that the lifting-lowering device (4) has at least one lift drive (4a, 4b) which is coupled to a lifting shaft (40) wherein the lifting-traction means (H1-H4) can be wound up at least in part about the lifting shaft (40).
  4. Lifting device (1) according to one of the preceding claims characterised in that the tensioning device (5) has at least one tensioning drive (5a-5d) which is coupled to at least one tensioning shaft (50a-50d) wherein at least two of the inclined traction means (S1a-S1d, S2a-S2d) can be wound up at least in part about the tensioning shaft (50a-50d).
  5. Lifting device (1') according to claim 4 characterised in that the tensioning drive (5a-5d) is coupled to at least two tensioning shafts (50a-50d) wherein at least two of the inclined traction means (S1a-S1d, S2a-S2d) can each be wound up at least in part around one each of the two tensioning shafts (50a-50d).
  6. Lifting device (1) according to claim 4, characterised in that the tensioning drive (5a-5d) is coupled to four tensioning shafts (50a-50d) wherein at least two of the inclined traction means (S1a-S1d, S2a-S2d) can each be wound up at least in part around one each of the four tensioning shafts (50a-50d).
  7. Lifting device (1) according to claim 5 or 6 characterised in that the tensioning shafts (50a-50d) are coupled to one another by a gear unit (9) wherein the tensioning drive (5a) is incorporated between one of the tensioning shafts (50a-50d) and the gear unit (9).
  8. Lifting device (1) according to one of claims 1 to 3 characterised in that the tensioning device (5) comprises four tensioning drives (5a-5d) which are each coupled to a tensioning shaft (50a-50d) wherein at least two of the inclined traction means (S1a-S1d, S2a -S2d) can each be wound up at least in part about one of the four tensioning shafts (50a-50d).
  9. Lifting device (1) according to one of the preceding claims characterised in that each of the inclined traction means (S1-S1d, S2aS2d) is fixedly attached to the lower frame arrangement (2), in particular in the region of a lower corner (6a-6d) placed between each two of its side sections (2a-2d), wherein each one side section (2a-2d) of the lower frame arrangement (2) and the lateral section (3a - 3d) of the upper frame arrangement (3) situated above same with respect to the vertical direction (z) span a lateral plane (A-D) between them, and each of the inclined traction means (S1a-S1d, S2a-S2d) extends within a plane running parallel to the associated lateral plane (A-D) from the lower frame arrangement (2) diagonally to the upper frame arrangement (3), in particular up to a region of an upper corner (7a-7d) situated between each two of its side sections (3a-3d).
  10. Lifting device (1) according to claim 9 characterised in that each of the inclined traction means (S1a-S1d, S2a-S2d) is deflected at the upper frame arrangement (3) toward a centre section (8a-8d) of the respective side section (3a-3d), wherein each inclined traction means (S1a-S1d, S2a-S2d) is connected to a tensioning shaft (50a-50d) of the tensioning device (5) situated in the region of the associated centre section (8a-8d).
  11. Lifting device (1) according to one of the preceding claims, characterised in that each lifting-traction means (H1-H4) is fixedly attached to the lower frame arrangement (2), in particular in the region of a lower corner (6a-6d) situated between each two of its side sections (2a-2d), wherein each lifting-traction means (H1-H4) extends, in particular parallel to the vertical direction (z), to the upper frame arrangement (3).
  12. Lifting device (1) according to claim 11, characterised in that each lifting-traction means (H1-H4) is deflected at the upper frame arrangement (3) toward a centre section (8a, 8c) of the respective side section (3a, 3c), wherein each lifting-traction means (H1-H4) is connected to a lifting shaft (50) of the lifting-lowering device (5) situated in the region of the associated centre section (8a, 8c).
  13. Lifting device (1) according to one of the preceding claims characterised in that the lifting-traction means (H1-H4) and/or inclined traction means (S1a-S1d, S2a-S2d) are configured as belts, straps and/or cables or comprise at least one of these configurations.
EP17193838.4A 2017-09-28 2017-09-28 Lifting device for lifting and lowering heavy objects Active EP3461782B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PT171938384T PT3461782T (en) 2017-09-28 2017-09-28 Lifting device for lifting and lowering heavy objects
ES17193838T ES2809152T3 (en) 2017-09-28 2017-09-28 Lifting device for raising and lowering heavy objects
PL17193838T PL3461782T3 (en) 2017-09-28 2017-09-28 Lifting device for lifting and lowering heavy objects
EP17193838.4A EP3461782B1 (en) 2017-09-28 2017-09-28 Lifting device for lifting and lowering heavy objects
US16/120,934 US10737915B2 (en) 2017-09-28 2018-09-04 Lifting apparatus for raising and lowering heavy objects
CN201811121726.5A CN109573831B (en) 2017-09-28 2018-09-26 Hoisting device for lifting and lowering heavy objects
US16/934,149 US20200346906A1 (en) 2017-09-28 2020-07-21 Lifting apparatus for raising and lowering heavy objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17193838.4A EP3461782B1 (en) 2017-09-28 2017-09-28 Lifting device for lifting and lowering heavy objects

Publications (2)

Publication Number Publication Date
EP3461782A1 EP3461782A1 (en) 2019-04-03
EP3461782B1 true EP3461782B1 (en) 2020-06-03

Family

ID=59974369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17193838.4A Active EP3461782B1 (en) 2017-09-28 2017-09-28 Lifting device for lifting and lowering heavy objects

Country Status (6)

Country Link
US (1) US10737915B2 (en)
EP (1) EP3461782B1 (en)
CN (1) CN109573831B (en)
ES (1) ES2809152T3 (en)
PL (1) PL3461782T3 (en)
PT (1) PT3461782T (en)

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Also Published As

Publication number Publication date
US20190092605A1 (en) 2019-03-28
US10737915B2 (en) 2020-08-11
EP3461782A1 (en) 2019-04-03
ES2809152T3 (en) 2021-03-03
PT3461782T (en) 2020-08-27
PL3461782T3 (en) 2020-11-16
CN109573831B (en) 2021-04-13
CN109573831A (en) 2019-04-05

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