EP2694428A1 - Scissor-type lifting table - Google Patents

Scissor-type lifting table

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Publication number
EP2694428A1
EP2694428A1 EP12778249.8A EP12778249A EP2694428A1 EP 2694428 A1 EP2694428 A1 EP 2694428A1 EP 12778249 A EP12778249 A EP 12778249A EP 2694428 A1 EP2694428 A1 EP 2694428A1
Authority
EP
European Patent Office
Prior art keywords
scissor
base device
lifting
scissors
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12778249.8A
Other languages
German (de)
French (fr)
Other versions
EP2694428B1 (en
Inventor
Christoph Mohr
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Individual
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Individual
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Publication date
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Publication of EP2694428A1 publication Critical patent/EP2694428A1/en
Application granted granted Critical
Publication of EP2694428B1 publication Critical patent/EP2694428B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/22—Lazy-tongs mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0633—Mechanical arrangements not covered by the following subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Definitions

  • the invention relates to a scissor lift according to the preamble of claim 1.
  • a corresponding scissor lift is known from DE 100 01 910 B4.
  • the lift truck runs on the scissor blades releasably or adjustably mounted lifting curves.
  • the lifting curves ensure that the lifting load, which is applied by the drawstring, can be distributed over the lifting operation in an advantageous manner. This facilitates in particular the startup in the fully lowered state of the scissor lift.
  • Object of the present invention is therefore to improve a Scherenhubtisch mentioned above to the effect that the mentioned disadvantages do not occur.
  • the lifting cam is fastened to the base device, so that the lifting carriage is guided between the lifting cam and the first shear blade arrangement.
  • a linear guide is provided, which is connected to the base device facing portions of the first scissor blade assembly.
  • the linear guide between the leg axis and the first scissor blade assembly and the base device connecting the connecting device is provided.
  • the articulation device can be, for example, a hinge bolt connecting the scissor blade arrangement to the base device.
  • the traction means can be wound on a drum.
  • the drum can be actuated by a drive, in particular a drive motor, and is preferably provided on the base device on the side opposite the lift cam of the articulation device (1b) connecting the first slide blade arrangement and the base device.
  • a larger space is available on the base device for the formation of the lift curve.
  • the traction means is approximately parallel to the base device and no longer extends into the interior of the scissor lift and also not beyond the scissors axis, so that obstructions during maintenance are largely avoided.
  • a plurality of deflection devices, in particular deflection rollers, for the traction means can be installed on the base device in this Buchstoff Entry that are not in the stroke range of Scherenhubticians and thus not hinder the raising or lowering of the scissor lift.
  • a pulley principle can be realized, so that the drive for winding the traction means can possibly be designed smaller, which in turn can save costs.
  • the traction means is guided to the lifting carriage via a first deflecting device attached to the second shearing blade arrangement and a second deflecting device arranged between the articulating device and the drum.
  • the scissor-type lifting table is formed by a carrying device 10, a base device 11 to be arranged on the floor or a mounting surface, and a pair of scissors arranged between carrying device 10 for receiving the article to be lifted and the base device 11.
  • the scissors are formed by crossed scissor blade arrangements which can be pivoted relative to one another about a scissors axis 6, namely a first scissor blade arrangement 1 and a second scissor blade arrangement 2.
  • Each scissors blade arrangement 1, 2 preferably has two or more scissor blades arranged parallel to one another, of which only one is shown in the side view shown
  • the scissor blades of a scissors blade arrangement 1, 2 are firmly connected to each other, for example by means not shown crossbeams, in particular welded.
  • the pair of scissors with the second scissor blade assembly 2 is hinged to the support device 10.
  • the articulation takes place here with a hinge pin 2a.
  • the opposite end 2b of the second scissor blade assembly is slidably guided in a guide IIa in the base device 11.
  • the upper end 1a of the first scissor blade assembly 1 is guided in a guide 10a in the support device 10, while the lower, the end la opposite end lb of the first scissor blade assembly 1 is hinged to the base device 11.
  • a pivot pin may be provided, which is connected to the scissor blades.
  • the scissors are actuated by a lift truck 3, which by a (not shown) the drum 5 driving drive is moved.
  • the drawable on the drum 5 and connected to the lift truck 3 traction means 4, preferably summarizes at least one band is pulled when winding on the drum 5 and moves the truck in direction A to the drum 5 out.
  • the lift truck 3 moves in the direction of the pivot axis at lb on the lifting cam 8 and along the linear guide 7 and thereby pivots the scissor blade assembly 1 in the direction PI. - -
  • the scissors blade assembly 2 is also pivoted due to the coupling on the scissor shaft 6 and the support device 10 is raised, the ends la and 2b are moved in the respective guides 10a and IIa in the direction A.
  • the traction means 4 is unwound from the drum.
  • the gravity of the table then causes the pallet truck between the scissor blade assembly 1 and the lifting cam 8 is moved as far in the direction B, as it allows the traction means 4.
  • the lifting carriage 3 is thus moved substantially in the direction B, whereby the upper ends 2a and 1a of the two coupled scissor blade arrangements 1, 2 are pivoted towards the base device 11, as shown by arrow P2 for example the second shear blade assembly 2 indicated.
  • the two ends la and 2b then move accordingly in the respective guides 10a, 11a in the direction B.
  • the table is lowered.
  • the traction means 4 of the drum 5 via a first guide roller 9b, which is mounted in the region of the lower, the base device end facing 2b of the second shear blade assembly 2 at the same, and at least one further guide roller 9a to the truck 3.
  • the second guide roller 9a is fixedly connected to the base device 11 and preferably between the drum 5 and the An articulation axis about which the first leg assembly 1 is pivotally hinged to the base device 11, and the lower, the base device 11 facing the end lb of the first shear blade assembly 1 is arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Transmission Devices (AREA)
  • Tyre Moulding (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Harvester Elements (AREA)

Abstract

A scissor-type lifting table has a carrying device (10) and a base device (11). A scissor mechanism comprising first and second scissor-blade arrangements which are crossed with one another, can be pivoted about a scissor axis (6) relative to one another and are formed from a plurality of scissor blades (1) and (2) which are arranged in each case parallel to one another, is arranged between said carrying device (10) and base device (11). The carrying device (10) can be moved away from the base device (11) by means of a lifting truck (3) which can be moved via at least one traction mechanism (4), by winding up of the traction mechanism (4), and can be raised up in order to open the scissor mechanism as a result, and can be moved toward the base device (11) by unwinding of the traction mechanism (4) and can be lowered in order to close the scissor mechanism as a result. At least one lifting cam (8) is provided which is configured to regulate the lifting capacity during the lifting operation and along which the lifting truck (3) runs during the raising or lowering of the carrying device (10). The lifting cam (8) is fastened to the base device (11), and the lifting truck (3) is guided between the lifting cam (8) and the first scissor-blade arrangement (1) which is articulated pivotably on the base device (11).

Description

SCHERENHUBTISCH  Scissor
TECHNISCHES GEBIET TECHNICAL AREA
Die Erfindung betrifft einen Scherenhubtisch nach dem Oberbegriff des Anspruchs 1. The invention relates to a scissor lift according to the preamble of claim 1.
STAND DER TECHNIK STATE OF THE ART
Ein entsprechender Scherenhubtisch ist aus DE 100 01 910 B4 bekannt. Zum Anheben des Tisches wird dort zwischen den gekreuzten, um die Scherenachse schwenkbaren Scherenblättern ein Hubwagen mittels eines Zugbandes in Richtung auf die Scherenachse gezogen. Dabei läuft der Hubwagen über an den Scherenblättern lösbar oder verstellbar befestigte Hubkurven. Die Hubkurven sorgen dafür, dass die Hublast, die von dem Zugband aufgebracht wird, über den Hubvorgang in vorteilhafter Weise verteilt werden kann. Dies erleichtert insbesondere das Anfahren im vollständig abgesenkten Zustand des Scherenhubtisches . A corresponding scissor lift is known from DE 100 01 910 B4. To lift the table there is a lifting truck pulled by a drawstring in the direction of the scissors axis there between the crossed scissor blades which are pivotable about the scissors axis. The lift truck runs on the scissor blades releasably or adjustably mounted lifting curves. The lifting curves ensure that the lifting load, which is applied by the drawstring, can be distributed over the lifting operation in an advantageous manner. This facilitates in particular the startup in the fully lowered state of the scissor lift.
Dieser Aufbau hat sich in der Vergangenheit durchaus bewährt. Allerdings sind aufgrund des eingeschränkten Raumangebots die Variationsmöglichkeiten der verwendeten Hubkurven eingeschränkt . Weiter ist dieser Aufbau in gewisser Weise nicht hinreichend wartungsfreundlich, da die im Innern der Schere in Richtung der Scherenachse verlaufenden Zugbänder den Zugang zu einigen Bereichen des Scheren- hubtisches im Wartungsfall erschweren und ggf. erst entfernt werden müssen, um eine Wartung vornehmen zu können . This structure has proven itself in the past quite well. However, due to the limited space available, the possibilities of variation of the stroke curves used are limited. Furthermore, this construction is in some ways not sufficiently easy to maintain, since the drawstrings running in the interior of the scissors in the direction of the scissors axis make it difficult to access some areas of the scissor lift in the event of maintenance and possibly have to be removed in order to be able to carry out maintenance.
DIE ERFINDUNG THE INVENTION
Aufgabe der vorliegenden Erfindung ist es daher, einen eingangs genannten Scherenhubtisch dahingehend zu verbessern, dass die erwähnten Nachteile nicht auftreten. Object of the present invention is therefore to improve a Scherenhubtisch mentioned above to the effect that the mentioned disadvantages do not occur.
Gelöst wird diese Aufgabe durch einen Scherenhubtisch mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausführungsformen finden sich in den Unteransprüchen. This object is achieved by a scissor lift with the features of claim 1. Advantageous embodiments can be found in the subclaims.
Erfindungsgemäß ist die Hubkurve an der Basisvorrichtung befestigt, so dass der Hubwagen zwischen der Hubkurve und der ersten Scherenblattanordnung geführt wird. Dazu ist insbesondere eine Linearführung vorgesehen, die mit der Basisvorrichtung zugewandten Abschnitten der ersten Scherenblattanordnung verbunden ist. Weiter ist die Linearführung zwischen der Schenkelachse und der die erste Scherenblattanordnung und die Basisvorrichtung verbindenden Anlenkeinrichtung vorgesehen . Die Anlenkeinrichtung kann z.B. ein die Scherenblattanordnung mit der Basisvorrichtung verbindender Gelenkbolzen sein. According to the invention, the lifting cam is fastened to the base device, so that the lifting carriage is guided between the lifting cam and the first shear blade arrangement. For this purpose, in particular a linear guide is provided, which is connected to the base device facing portions of the first scissor blade assembly. Further, the linear guide between the leg axis and the first scissor blade assembly and the base device connecting the connecting device is provided. The articulation device can be, for example, a hinge bolt connecting the scissor blade arrangement to the base device.
Bevorzugt ist das Zugmittel auf einer Trommel aufwickelbar. Die Trommel kann durch einen Antrieb, insbesondere einen Antriebsmotor, betätigt werden und ist bevorzugt an der Basisvorrichtung auf der der Hubkurve gegenüber liegenden Seite der die erste Scherenblattanordnung und die Basisvorrichtung verbindenden Anlenkeinrichtung (lb) vorgesehen. Preferably, the traction means can be wound on a drum. The drum can be actuated by a drive, in particular a drive motor, and is preferably provided on the base device on the side opposite the lift cam of the articulation device (1b) connecting the first slide blade arrangement and the base device.
Dadurch ergeben sich zahlreiche Vorteile. Zum einen steht auf der Basisvorrichtung für die Ausbildung der Hubkurve ein größerer Raum zur Verfügung. Weiter verläuft das Zugmittel so in etwa parallel zur Basisvorrichtung und reicht nicht mehr in das Innere des Scherenhubtisches hinein und auch nicht über die Scherenachse hinaus, so dass Behinderungen bei der Wartung weitgehend vermieden werden. Zudem können an der Basisvorrichtung bei dieser Zugmittelführung eine Mehrzahl Umlenkeinrichtungen, insbesondere Umlenkrollen, für das Zugmittel installiert werden, die nicht im Hubbereich des Scherenhubtisches liegen und das Anheben bzw. Absenken des Scherenhubtisches somit nicht behindern. Durch das Vorsehen einer Mehrzahl Umlenkrollen kann gegenüber der bekannten Lösung ein Flaschenzugprinzip realisiert werden, damit lässt sich der Antrieb zum Aufwickeln des Zugmittels ggf. kleiner auslegen, was wiederum Kosten einsparen kann. Dazu kann insbesondere vorgesehen sein, dass das Zugmittel über eine erste, an der zweiten Scherenblatt- anordnung angebrachte Umlenkeinrichtung und eine zwischen der Anlenkeinrichtung und der Trommel angeordnete zweite Umlenkeinrichtung zum Hubwagen geführt ist . This results in numerous advantages. Firstly, a larger space is available on the base device for the formation of the lift curve. Further, the traction means is approximately parallel to the base device and no longer extends into the interior of the scissor lift and also not beyond the scissors axis, so that obstructions during maintenance are largely avoided. In addition, a plurality of deflection devices, in particular deflection rollers, for the traction means can be installed on the base device in this Zugmittelführung that are not in the stroke range of Scherenhubtisches and thus not hinder the raising or lowering of the scissor lift. By providing a plurality of pulleys over the known solution, a pulley principle can be realized, so that the drive for winding the traction means can possibly be designed smaller, which in turn can save costs. For this purpose, it can be provided, in particular, that the traction means is guided to the lifting carriage via a first deflecting device attached to the second shearing blade arrangement and a second deflecting device arranged between the articulating device and the drum.
KURZBESCHREIBUNG DER ZEICHNUNGSABBILDUNGEN BRIEF DESCRIPTION OF THE DRAWING FIGURES
Die Erfindung wird nun anhand der Zeichnungsfigur näher erläutert, welche ein Ausführungsbeispiel der Erfindung zeigt. The invention will now be explained in more detail with reference to the drawing figure, which shows an embodiment of the invention.
BESTER WEG ZUR AUSFÜHRUNG DER ERFINDUNG BEST MODE FOR CARRYING OUT THE INVENTION
Der Scherenhubtisch wird gebildet durch eine Tragvorrichtung 10, eine auf dem Boden oder einer AufStellfläche anzuordnende Basisvorrichtung 11 und eine zwischen Tragvorrichtung 10 zur Aufnahme des zu hebenden Gegenstandes und Basisvorrichtung 11 angeordnete Schere. Die Schere wird durch gekreuzte und um eine Scherenachse 6 gegeneinander verschwenkbare Scheren- blattanordnungen, nämlich eine erste Scherenblattan- ordnung 1 und eine zweite Scherenblattanordnung 2, gebildet. Jede Scherenblattanordnung 1, 2 weist bevorzugt zwei oder mehr parallel zueinander angeordnete Scherenblätter auf, von denen in der gezeigten Seitenansicht lediglich jeweils eines dargestellt Die Scherenblätter einer Scherenblattanordnung 1, 2 sind fest miteinander, z.B. durch nicht gezeigte Quertraversen, verbunden, insbesondere verschweißt. The scissor-type lifting table is formed by a carrying device 10, a base device 11 to be arranged on the floor or a mounting surface, and a pair of scissors arranged between carrying device 10 for receiving the article to be lifted and the base device 11. The scissors are formed by crossed scissor blade arrangements which can be pivoted relative to one another about a scissors axis 6, namely a first scissor blade arrangement 1 and a second scissor blade arrangement 2. Each scissors blade arrangement 1, 2 preferably has two or more scissor blades arranged parallel to one another, of which only one is shown in the side view shown The scissor blades of a scissors blade arrangement 1, 2 are firmly connected to each other, for example by means not shown crossbeams, in particular welded.
Wie in der Figur zu sehen, ist die Schere mit der zweiten Scherenblattanordnung 2 an der Tragvorrichtung 10 angelenkt. Das Anlenken erfolgt hier mit einem Gelenkbolzen 2a. Das gegenüberliegende Ende 2b der zweiten Scherenblattanordnung ist in einer Führung IIa in der Basisvorrichtung 11 verschieblich geführt. Ähnlich ist das obere Ende la der ersten Scherenblattanordnung 1 in einer Führung 10a in der Trag- vorrichtung 10 geführt, während das untere, dem Ende la gegenüberliegende Ende lb der ersten Scherenblattanordnung 1 an der Basisvorrichtung 11 angelenkt ist. Auch hier kann wieder ein Anlenkbolzen vorgesehen sein, der mit den Scherenblättern verbunden ist. As can be seen in the figure, the pair of scissors with the second scissor blade assembly 2 is hinged to the support device 10. The articulation takes place here with a hinge pin 2a. The opposite end 2b of the second scissor blade assembly is slidably guided in a guide IIa in the base device 11. Similarly, the upper end 1a of the first scissor blade assembly 1 is guided in a guide 10a in the support device 10, while the lower, the end la opposite end lb of the first scissor blade assembly 1 is hinged to the base device 11. Again, a pivot pin may be provided, which is connected to the scissor blades.
Betätigt wird die Schere durch einen Hubwagen 3, welcher durch einen (nicht dargestellten) die Trommel 5 antreibenden Antrieb bewegt wird. Das auf die Trommel 5 aufwickelbare und mit dem Hubwagen 3 verbundene Zugmittel 4, das bevorzugt wenigstens ein Band um- fasst, wird beim Aufwickeln auf die Trommel 5 gezogen und bewegt den Hubwagen in Richtung A zur Trommel 5 hin. Dabei verfährt der Hubwagen 3 in Richtung der Anlenkachse bei lb über die Hubkurve 8 und entlang der Linearführung 7 und verschwenkt dadurch die Scherenblattanordnung 1 in Richtung PI. - - The scissors are actuated by a lift truck 3, which by a (not shown) the drum 5 driving drive is moved. The drawable on the drum 5 and connected to the lift truck 3 traction means 4, preferably summarizes at least one band is pulled when winding on the drum 5 and moves the truck in direction A to the drum 5 out. Here, the lift truck 3 moves in the direction of the pivot axis at lb on the lifting cam 8 and along the linear guide 7 and thereby pivots the scissor blade assembly 1 in the direction PI. - -
Dadurch wird ebenfalls die Scherenblattanordnung 2 aufgrund der Kopplung an der Scherenachse 6 verschwenkt und die Tragvorrichtung 10 wird angehoben, wobei die Enden la und 2b in den betreffenden Führungen 10a bzw. IIa in Richtung A verschoben werden. As a result, the scissors blade assembly 2 is also pivoted due to the coupling on the scissor shaft 6 and the support device 10 is raised, the ends la and 2b are moved in the respective guides 10a and IIa in the direction A.
Zum Absenken des Tisches bzw. der Tragvorrichtung 10 wird das Zugmittel 4 von der Trommel abgewickelt . Die Schwerkraft des Tisches bewirkt dann, dass der Hubwagen zwischen der Scherenblattanordnung 1 und der Hubkurve 8 so weit in Richtung B bewegt wird, wie es das Zugmittel 4 zulässt . Durch das Abwickeln des Zugmittels 4 von der Trommel wird der Hubwagen 3 also im Wesentlichen in Richtung B bewegt, wodurch die oberen Enden 2a und la der beiden gekoppelten Scherenblatt - anordnungen 1, 2 zur Basisvorrichtung 11 hin verschwenkt werden, wie exemplarisch durch Pfeil P2 für die zweite Scherenblattanordnung 2 angedeutet . Die beiden Enden la und 2b bewegen sich dann entsprechend in den jeweiligen Führungen 10a, IIa in Richtung B. Dadurch wird der Tisch abgesenkt. To lower the table or the support device 10, the traction means 4 is unwound from the drum. The gravity of the table then causes the pallet truck between the scissor blade assembly 1 and the lifting cam 8 is moved as far in the direction B, as it allows the traction means 4. As a result of the unwinding of the pulling means 4 from the drum, the lifting carriage 3 is thus moved substantially in the direction B, whereby the upper ends 2a and 1a of the two coupled scissor blade arrangements 1, 2 are pivoted towards the base device 11, as shown by arrow P2 for example the second shear blade assembly 2 indicated. The two ends la and 2b then move accordingly in the respective guides 10a, 11a in the direction B. As a result, the table is lowered.
Vorteilhafterweise wird das Zugmittel 4 von der Trommel 5 über eine erste Umlenkrolle 9b, die im Bereich des unteren, der BasisVorrichtung zugewandten Endes 2b der zweiten Scherenblattanordnung 2 an derselben angebracht ist, und mindestens eine weitere Umlenkrolle 9a zum Hubwagen 3 geführt. Die zweite Umlenkrolle 9a ist fest mit der Basisvorrichtung 11 verbunden und bevorzugt zwischen der Trommel 5 und der Anlenkachse, um die die erste Schenkelanordnung 1 verschwenkbar an der Basisvorrichtung 11 angelenkt ist, bzw. dem unteren, der Basisvorrichtung 11 zugewandten Ende lb der ersten Scherenblattanordnung 1 angeordnet . Advantageously, the traction means 4 of the drum 5 via a first guide roller 9b, which is mounted in the region of the lower, the base device end facing 2b of the second shear blade assembly 2 at the same, and at least one further guide roller 9a to the truck 3. The second guide roller 9a is fixedly connected to the base device 11 and preferably between the drum 5 and the An articulation axis about which the first leg assembly 1 is pivotally hinged to the base device 11, and the lower, the base device 11 facing the end lb of the first shear blade assembly 1 is arranged.
Auf diese Weise lässt sich ein Flaschenzugprinzip mit loser und fester Rolle realisieren und reduziert so die Anforderungen an die Dimensionierung des Aggregats zum Antrieb der Trommel 5. In this way, a pulley principle can be realized with loose and fixed role, thus reducing the requirements for the dimensioning of the unit to drive the drum. 5

Claims

PATENTANSPRÜCHE
1. Scherenhubtisch mit einer Tragvorrichtung (10) und einer Basisvorrichtung (11) , wobei zwischen diesen eine Schere aus miteinander gekreuzten und um eine Scherenachse (6) relativ zueinander verschwenkbaren sowie aus einer Mehrzahl jeweils parallel zueinander angeordneter Scherenblätter (1) bzw. (2) gebildeten ersten und zweiten Scheren- blattanordnungen angeordnet ist, wobei die Tragvorrichtung (10) mittels eines über wenigstens ein Zugmittel (4) beweglichen Hubwagens (3) durch Aufwickeln des Zugmittels (4) von der Basisvorrichtung (11) weg bewegt und dadurch zum Öffnen der Schere angehoben und durch Abwickeln des Zugmittels (4) auf die Basisvorrichtung (11) zu bewegt und dadurch zum Schließen der Schere abgesenkt werden kann, und wobei wenigstens eine zur Regulierung der Hublast während des Hubvorgangs ausgebildete Hubkurve (8) vorgesehen ist, auf der der Hubwagen (3) während des Anhebens bzw. Absenkens der Tragvorrichtung (10) entlang läuft, dadurch gekennzeichnet, 1. Scissor lift with a support device (10) and a base device (11), between which a pair of scissors intersected and about a scissor axis (6) relative to each other and pivotable from a plurality of mutually parallel scissor blades (1) and (2 The first and second scissors blade arrangements are arranged, wherein the carrying device (10) moves away from the base device (11) by winding the traction means (4) by means of a lifting carriage (3) movable by at least one pulling means (4) and thereby opening the scissors can be lifted and moved by unwinding of the traction means (4) on the base device (11) and thereby lowered to close the scissors, and wherein at least one designed to regulate the lifting load during the lifting stroke (8) is provided on the the lifting carriage (3) runs along during the raising or lowering of the carrying device (10), characterized in that
dass die Hubkurve (8) an der Basisvorrichtung (11) befestigt und der Hubwagen (3) zwischen der Hubkurve (8) und der ersten, schwenkbar an der Basisvorrichtung (11) angelenkten Scherenblattan- ordnung (1) geführt ist. Scherenhubtisch nach Anspruch 1, in that the lifting curve (8) is fastened to the base device (11) and the lifting carriage (3) is guided between the lifting cam (8) and the first scissor blade arrangement (1) pivotably connected to the base device (11). Scissor lift according to claim 1,
dadurch gekennzeichnet, characterized,
dass wenigstens eine Linearführung (7) vorgesehen ist, die mit der Basisvorrichtung (11) zugewandten Abschnitten der ersten Scherenblattanordnungin that at least one linear guide (7) is provided, the sections of the first scissor blade arrangement facing the base device (11)
(I) verbunden und zwischen der Schenkelachse (6) und der die erste Scherenblattanordnung (1) und die Basisvorrichtung (11) verbindenden Anlenk- einrichtung (lb) vorgesehen ist. (I) connected and between the leg axis (6) and the first scissor blade assembly (1) and the base device (11) connecting the connecting device (lb) is provided.
Scherenhubtisch nach Anspruch 1 oder 2, Scissor lift according to claim 1 or 2,
dadurch gekennzeichnet, characterized,
dass das Zugmittel (4) auf einer Trommel (5) aufwickelbar ist, welche an der Basisvorrichtungin that the traction means (4) can be wound on a drum (5) which is attached to the base device
(II) auf der der Hubkurve (8) gegenüberliegenden Seite der die erste Scherenblattanordnung (1) und die Basisvorrichtung (11) verbindenden Anlenk- einrichtung (lb) vorgesehen ist. (II) is provided on the lifting cam (8) opposite side of the first scissors blade assembly (1) and the base device (11) connecting the articulation device (lb).
Scherenhubtisch nach Anspruch 3, Scissor lift according to claim 3,
dadurch gekennzeichnet, characterized,
dass das Zugmittel (4) über eine erste Umlenkeinrichtung (9b) und eine zwischen der Anlenkein- richtung (lb) und der Trommel (5) angeordnete zweite Umlenkeinrichtung (9a) zum Hubwagen (3) geführt ist. Scherenhubtisch nach einem der vorigen Ansprüche, dadurch gekennzeichnet, in that the traction means (4) is guided to the lift truck (3) via a first deflection device (9b) and a second deflection device (9a) arranged between the articulation device (1b) and the drum (5). Scissor lift according to one of the preceding claims, characterized
dass die erste Umlenkeinrichtung (9b) an in einem Bereich des der Basisvorrichtung (11) zugewandten Endes (2b) der zweiten Scherenblattanordnung (2) und die zweite Umlenkeinrichtung (9a) an der Ba- sisvorrichtung (11) angeordnet ist. in that the first deflecting device (9b) is arranged on the end (2b) of the second scissor blade arrangement (2) facing the base device (11) and the second deflecting device (9a) on the base device (11).
Scherenhubtisch nach Anspruch 4 oder 5, Scissor lift according to claim 4 or 5,
dadurch gekennzeichnet, characterized,
dass die erste und die zweite Umlenkeinrichtung (9b, 9a) Umlenkrollen sind. the first and the second deflection device (9b, 9a) are deflection rollers.
EP12778249.8A 2011-11-16 2012-10-23 Scissor-type lifting table Active EP2694428B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011118672A DE102011118672A1 (en) 2011-11-16 2011-11-16 Scissor
PCT/EP2012/004423 WO2013072003A1 (en) 2011-11-16 2012-10-23 Scissor-type lifting table

Publications (2)

Publication Number Publication Date
EP2694428A1 true EP2694428A1 (en) 2014-02-12
EP2694428B1 EP2694428B1 (en) 2015-09-16

Family

ID=47076156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12778249.8A Active EP2694428B1 (en) 2011-11-16 2012-10-23 Scissor-type lifting table

Country Status (11)

Country Link
US (1) US20150014609A1 (en)
EP (1) EP2694428B1 (en)
JP (1) JP6014677B2 (en)
KR (1) KR101737678B1 (en)
CN (1) CN103827015B (en)
BR (1) BR112014007906A2 (en)
CA (1) CA2853337C (en)
DE (1) DE102011118672A1 (en)
ES (1) ES2551107T3 (en)
MX (1) MX353452B (en)
WO (1) WO2013072003A1 (en)

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Also Published As

Publication number Publication date
KR20140091525A (en) 2014-07-21
CN103827015A (en) 2014-05-28
MX353452B (en) 2018-01-15
WO2013072003A1 (en) 2013-05-23
JP2015501769A (en) 2015-01-19
KR101737678B1 (en) 2017-05-18
US20150014609A1 (en) 2015-01-15
EP2694428B1 (en) 2015-09-16
MX2014005736A (en) 2014-07-09
ES2551107T3 (en) 2015-11-16
CN103827015B (en) 2017-06-06
CA2853337C (en) 2016-11-29
DE102011118672A1 (en) 2013-05-16
CA2853337A1 (en) 2013-05-23
JP6014677B2 (en) 2016-10-25
BR112014007906A2 (en) 2017-04-18

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