EP3428115A1 - Dispositif de levage et procédé de déplacement d'un chariot élévateur - Google Patents

Dispositif de levage et procédé de déplacement d'un chariot élévateur Download PDF

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Publication number
EP3428115A1
EP3428115A1 EP18179645.9A EP18179645A EP3428115A1 EP 3428115 A1 EP3428115 A1 EP 3428115A1 EP 18179645 A EP18179645 A EP 18179645A EP 3428115 A1 EP3428115 A1 EP 3428115A1
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EP
European Patent Office
Prior art keywords
lifting
lifting device
drive
winding
carriage
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
EP18179645.9A
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German (de)
English (en)
Other versions
EP3428115B1 (fr
Inventor
Christian Janda
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.)
Pentanova Cs GmbH
Original Assignee
Eisenmann SE
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Publication date
Application filed by Eisenmann SE filed Critical Eisenmann SE
Publication of EP3428115A1 publication Critical patent/EP3428115A1/fr
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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
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars

Definitions

  • the invention relates to a lifting device with a lifting, with at least one support means and with a pulley system for vertical movement of the lifting.
  • the invention also relates to a method for moving a lifting carriage.
  • the EP 3 064 466 A1 discloses a lifting device with a frame-like mast and a height-adjustable guided therein lifting unit, for the execution of the lifting movement of the lifting unit at least one flaschenzugbasierter drive is provided with a rope as a traction means, wherein per strut of the frame in each case a guide rail is provided, and wherein per guide rail a own pulley-based drive is provided.
  • the EP 2 855 338 B1 describes a lifting device with a number of guide columns on which a lifting carriage is movably guided, and act on the lifting pulleys for lifting the lifting carriage, each pulley consists of a traction means and a number of pulleys per traction means, wherein in the lifting device two pulley groups with two pulleys are provided, and wherein each pulley group is driven in each case by a common drive unit.
  • Object of the present invention is to provide a lifting device whose reliability is increased over the prior art and in which the known from the prior art disadvantages are avoided as far as possible.
  • a lifting device of the aforementioned type wherein the support means has two ends and is fixed in the region of both ends in each case on a winding device.
  • the pulley system of the lifting device can be functionally operated via each of the winding devices.
  • a first drive unit for the first winding device can be provided in the region of the first end of the suspension element and a second drive unit for the second winding device can be provided in the region of the second end of the suspension element.
  • two drive units are connected to the support means of the pulley system, which increases the reliability. Furthermore, downtimes can be significantly reduced.
  • first and the second drive unit are designed to rotate in the same direction.
  • advantages for the electrical connection of the drive units can be achieved.
  • first and the second drive unit may be designed to rotate in opposite directions.
  • Such a configuration may be constructive, for example, in view of the number vorzu Imageder deflection rollers, be beneficial.
  • the first and the second drive unit can be constructed identical.
  • advantages of a constructive nature and / or in terms of parts procurement can be achieved.
  • the lifting carriage is arranged guided in a gantry device.
  • a particularly stable guide and support structure can be provided for the lifting.
  • the lifting device for example in an industrial plant or in a storage facility, it may be advantageous if a load-receiving device is accommodated in the lifting carriage.
  • the load receiving device is designed as a roller conveyor.
  • the load receiving device may preferably be designed as a ground track, overhead conveyor or platform for vehicles and / or vehicle bodies.
  • the lifting device may have a control device for controlling the drive units.
  • a control device for controlling the drive units for example, a software-based control of the drive units can be realized.
  • the drive units can each be formed switchable or disconnectable by means of a control signal.
  • a control signal for the suspension element.
  • the object underlying the invention is also achieved by a method for moving a lifting carriage, wherein the lifting carriage is moved vertically by means of a lifting device, which is formed according to the invention or one of its embodiments.
  • a lifting device which is formed according to the invention or one of its embodiments.
  • one of the two winding devices can be driven for vertical movement of the lifting.
  • the power of the drive unit which is assigned to the other winding device, as a reserve and / or in the sense of a redundant Systems are kept ready.
  • both winding devices can be driven for the vertical movement of the lifting carriage. In this way, the power of both drive units can be used at the same time.
  • the lifting carriage can preferably be moved by means of the drive device of the other winding device. In this way, downtime compared to the prior art can be significantly reduced because in case of failure can be converted directly from one drive unit to the other. In addition, loss of function in the event of a malfunction can be at least largely avoided.
  • FIG. 1 shows an example of a section of a conveyor system 2 with a lifting device 4.
  • a conveyor system 2 may be provided for example in an industrial plant, such as a production plant of the automotive industry, or in a storage facility.
  • the lifting device 4 is designed as a vertical converter with a lifting 8. With the aid of the lifting device 4, a load, for example one or more components or a group of components, can be transported vertically.
  • the lifting carriage 8 is equipped with a load receiving device 10 which, as indicated in the example shown, can be designed as a roller conveyor for, for example, skids or pallets.
  • the load receiving device 10 for example in the form of a bottom track, for example, an electric floor track, or in the form of a monorail, for example, an electric monorail, be formed.
  • the load receiving device 10 may be formed, for example, as a platform for a vehicle, a vehicle body and / or a component or a group of components.
  • the lifting slide 8 has a plurality of side parts 30, which are fastened to a slide carrier 40. Between the side parts 30 of the lifting carriage 8 support elements 32 extend for a load receiving device 10, which is designed in the form of a roller conveyor 52.
  • the lifting carriage 8 is vertically movable and arranged guided in a support frame 54.
  • the lifting slide 8 is arranged in a gantry device 6.
  • Two vertical portal stems 36, 38 of the portal device 6 form with the portal traverse 34 a support frame 54 for the lifting 8 from.
  • the lifting carriage 8 may be arranged guided in the support frame 54 by rollers.
  • one or more individual stands may be provided to form the support frame 54 instead of a gantry device 6, for example.
  • the lifting slide 8 is suspended with the aid of at least one support means 16.
  • the suspension element 16 is capable of winding and may, for example, be rope-shaped or, as indicated in the drawing, belt-shaped.
  • a support means 16 for example, ropes made of steel or plastic or straps made of fabric or rubber can be used.
  • the use of support means 16 made of a composite material is possible.
  • the support means 16 has two end regions, which are each fixed to a winding device 18, 20.
  • fastening points may be provided in the two end regions of the suspension element 16 which are fastened to the respective winding device 18, 20.
  • the suspension element 16 can be wound on a winding device 18, 20 one above the other.
  • the support means 16, for example in the case of a rope side by side and possibly superimposed on a winding device 18, 20 are wound.
  • a drive unit 22, 24 is provided for each winding device 18, 20.
  • the first winding device 18 is connected to a first drive unit 22 and the second winding device 20 is connected to a second drive unit 24.
  • the suspension element 16 can be frictionally connected to the two drive units 22, 24, for example.
  • the two drive units 22, 24 may preferably be of identical construction.
  • drive units 22, 24 for the winding devices 18, 20 are designed as motors, preferably as electric motors.
  • the drive units 22, 24 may be designed as electric geared motors with a control.
  • the support means 16 for the lifting 8 is guided over a plurality of guide rollers 42, 44, 46, 48, wherein a pulley system 50 is formed.
  • a pulley system 50 is formed with a double pulley.
  • the pulley system 50 may be formed with a pulley having a factor other than two.
  • two pulleys 42, 48 are fixedly arranged on the portal device 6, while two further pulleys 44, 46 are arranged on the lifting carriage 8 and move with this.
  • the deflection rollers 44, 46 arranged on the lifting carriage 8 are fastened on the carriage carrier 40 of the lifting carriage 8 in the example shown.
  • FIGS. 2 to 4 show an example and in a schematic representation of a section of a conveyor system 2 with a lifting device 4.
  • the lifting device 4 is arranged between two load-receiving planes 12, 14.
  • the illustrated load-bearing planes 12, 14 are arranged at different heights, wherein in the examples shown, the first load-receiving plane 12 is arranged at a lower height than the second load-receiving plane 14.
  • the lifting device 4 loads between the at least two load-receiving planes 12, 14 can be implemented vertically.
  • the at least two load receiving planes 12, 14 define load change positions in which a load transfer between the load receiving device 10 of the lifting device 4 and the corresponding load receiving plane 12, 14 can take place.
  • a position query can be carried out by means of a control device, not shown. If necessary, for load transfer, a locking of the lifting device 4 in a load change position respectively. Such a lock can be done mechanically, for example.
  • the lifting device 4 can be used only as a kind of lift.
  • the load for example a workpiece
  • the load is brought from one of the load-receiving planes 12, 14 to the level of the other load-receiving plane 14 or 12.
  • the workpiece is brought back to the height of the load-receiving plane 12 or 14 and leaves the lifting device 4th
  • the load-receiving device 10 is accommodated in a lifting slide 8 of the lifting device 4.
  • the lifting carriage 4 is arranged in a support frame 54, wherein in the example shown, a plurality of guide rollers 56 are provided for guiding the lifting carriage 4 in the support frame 54.
  • the lifting carriage 8 is supported by a winding-capable support means 16, which has two ends and which is fixed to the end in each case on a rotatable winding device 18, 20.
  • a plurality of guide rollers 42, 44, 46, 48 are provided such that a pulley system 50 is formed.
  • Each of the two ends 58, 60 of the support means 16 is associated with a respective drive device 26 or 28.
  • a drive device 26, 28 has in each case a drive unit 22 or 24 and a winding device 18 or 20.
  • By two winding devices 18, 20 are each connected to its own drive unit 22 and 24, a redundancy for the drive of the lifting device 4 is provided.
  • the lifting device 4 can be operated in different ways. Thus, for example, according to a first operating mode of the lifting device 4, only one of the drive units 22, 24 of the suspension element 16 is used for moving the lifting carriage 8 during normal operation. In the event of a malfunction of this drive unit 22, 24, the lifting slide 8 is moved by means of the other drive unit 24 or 22. Thus, for example, in the event of a defect of one of the drive units 22, 24, downtimes may at least occur be largely avoided.
  • the other drive unit 24, 22 can take over in case of failure directly and with the same system performance, preferably regardless of which position the lifting slide 8 is in case of failure.
  • the suspension element 16 can be fixed by means of suitable clamping elements in the area of the faulty drive unit 22, 24 in order, for example, to maintain or change the faulty drive unit 22, 24.
  • both drive units 22, 24 are used for moving the lifting carriage 8.
  • a higher system performance than in normal operation of the first operating mode can be achieved.
  • the lifting slide 8 is then moved only by means of the other, not faulty drive unit 24, 22.
  • the system performance in the event of a failure decreases in comparison to the system power during normal operation.
  • the system performance in case of failure for example, the halved system performance in normal operation correspond.
  • FIG. 2 shows the lifting 8 of the lifting device 4 in a lowered position, in which the load receiving device 10 of the lifting device 4 is located in a load-receiving plane 12 associated load change position.
  • FIG. 3 and 4 show the lifting 8 of the lifting device 4 in a compared to the in FIG. 2 shown example raised position in which the load receiving device 10 of the lifting device 4 is located in a load-receiving plane 14 associated load change position.
  • FIG. 3 shows a state of the lifting device 4, which adjusts after the lifting slide 8 by means of the second drive device 28 from the in FIG. 2 shown position in the FIG. 3 was moved position shown. Accordingly, the suspension means 16 wound on the second winding device 20, which is associated with the second drive device 28.
  • FIG. 4 shows a state of the lifting device 4, which adjusts after the lifting slide 8 by means of the first drive device 26 from the in FIG. 2 shown position in the FIG. 4 was moved position shown. Accordingly, the support means 16 is wound on the first winding device 18, which is associated with the first drive device 26.
  • FIGS. 5 to 8 show embodiments of the lifting device 4 each in a sectional view and the sake of clarity in a highly schematic representation.
  • FIGS. 5 to 8 show the lifting device 4 with a lifting 8 and with a support frame 54, by means of which the lifting slide 8 is arranged guided.
  • the lifting device 4 is equipped with a winding-capable support means 16, which may preferably be formed as a rope or belt.
  • a drive device 26 or 28 is provided for the support means 16 respectively.
  • the support means 16 forms with a plurality of pulleys 42, 44, 46, 48 a pulley system 50 for vertically converting the lifting carriage 8.
  • FIG. 5 shows a lifting device 4, in which the drive devices 26, 28 are arranged to rotate in opposite directions.
  • the drive devices 26, 28 shown here rotate in the direction of the arrows 62 and 64, the suspension element 16 is wound up and thus the lifting carriage 8 is raised.
  • FIG. 6 shows a lifting device 4, in which the drive devices 26, 28 are arranged to rotate in the same direction. If one or both drive devices 26, 28 rotate in the direction of the arrows 66 and 68, the support means 16 is wound up and thus the lifting carriage 8 is raised. According to the in FIG. 6 As shown, an additional deflection roller 70 is provided, over which the suspension element 16 is guided.
  • co-rotating drive devices 26, 28 for the suspension means 16, such as in FIG. 6 may be advantageous, for example, with regard to the electrical connections of the drive devices 26, 28.
  • the embodiment according to FIG. 5 with oppositely rotating drive devices 26, 28 constructively advantageous because, for example, on the additional guide roller 70 (see FIG. 6 ) can be omitted.
  • FIG. 7 shows by way of example a lifting device 4, in which the axes of the winding devices 18, 20 are aligned perpendicular to the axes of the guide rollers 42, 44, 46, 48.
  • the axis of at least one pulley 42, 44, 46, 48 may be oriented at an angle other than 0 °, for example at an angle of 90 °, to the axis of at least one of the winders 18, 20.
  • Such a construction may be advantageous, for example, in the case of a suspension element 16 designed in the form of a rope.
  • the axis of a drive device 26, 28 may preferably coincide with the axis of the corresponding winding device 18, 20. Such a match is for example in the FIGS. 2 to 4 recognizable.
  • Lifting devices 4 shown by way of example are aligned with the axes of the drive devices 26, 28 parallel to the axes of the deflection rollers 42, 44, 46, 48.
  • Such a construction may, for example, be of particular advantage in the case of a support means 16 in the form of a belt.
  • Lifting devices 4 shown by way of example are the drive devices 26, 28 arranged on opposite sides of the lifting carriage 8 or on opposite sides of the supporting frame 54.
  • FIG. 8 shows by way of example a lifting device 4, in which the drive devices 26, 28 are arranged on the same side of the lifting slide 8 or on the same sides of the supporting frame 54.
  • an additional deflection roller 72 is provided, which is shown in FIG.
  • Example of the first drive device 26 is arranged opposite.
  • Such a design of the lifting device 4 with arranged on the same side drive devices 26, 28 may be, for example, in terms of electrical connections, for reasons of space and / or in terms of efficient maintenance of advantage.
  • the disadvantage here may be, for example, in comparison to those in the FIGS. 5 to 7 shown lifting devices 4 greater length of the support means 16 and / or the provision of the additional guide roller 72 may be.
  • the lifting device 4 with a in the FIGS. 1 to 8 be equipped not shown control device.
  • a drive device 26, 28 can be switched on, for example, to replace the respective other drive device 28, 26 in the event of a defect.
  • the connection of a drive device 26, 28 can also be done to increase the system performance of the designed as a lifting device 4 vertical converter.
  • the drive units 22, 24 of the drive device 26, 28 may be formed, for example, as electric motors.
  • the switching on and off of a drive unit 22, 24 preferably takes place by means of software which is executed by the control device. Also, the switching between the drive units 22, 24, for example, in case of failure of one of the drive units 22, 24 is preferably carried out by means of a suitable software.
  • the position queries of the lifting carriage 8, the path and speed detections and controls and monitoring of the support means 16 are carried out according to the known prior art.
  • the present invention relates to a lifting device 4 with a lifting carriage 8, with at least one support means 16, and with a pulley system 50 for vertical movement of the lifting carriage 8, wherein the support means 16 two Ends 58, 60 and is fixed in the region of both ends 58, 60 each on a winding device 18, 20.
  • the winding devices 18, 20 are each connected to a drive unit 22, 24.
  • a redundant system is provided in which the drive units 22, 24 can be switched on and off quickly without mechanical modifications.
  • the invention relates to a method for operating such a lifting device 4.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
EP18179645.9A 2017-06-29 2018-06-25 Dispositif de levage et procédé de déplacement d'un chariot élévateur Active EP3428115B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017114576.1A DE102017114576A1 (de) 2017-06-29 2017-06-29 Hebeeinrichtung und Verfahren zum Bewegen eines Hubschlittens

Publications (2)

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EP3428115A1 true EP3428115A1 (fr) 2019-01-16
EP3428115B1 EP3428115B1 (fr) 2022-08-24

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EP18179645.9A Active EP3428115B1 (fr) 2017-06-29 2018-06-25 Dispositif de levage et procédé de déplacement d'un chariot élévateur

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EP (1) EP3428115B1 (fr)
DE (1) DE102017114576A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112027968A (zh) * 2020-08-31 2020-12-04 国网河南省电力公司西峡县供电公司 一种变电站检修用升降台

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573554A (zh) * 2020-05-18 2020-08-25 广西南宁市弘翔机电设备有限公司 一种基于齿轮齿条的可移动升降台

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226006A (en) * 1988-12-02 1990-06-20 Bruce Roland Tigwell Mobile platform lift
US20070056804A1 (en) * 2003-10-01 2007-03-15 Frank Thielow Lifting device especially a lift or a lifting platform
EP2855338B1 (fr) 2012-06-01 2016-04-06 TMS Turnkey Manufacturing Solutions GmbH Dispositif de levage
EP3064466A1 (fr) 2015-03-02 2016-09-07 Liebherr-Verzahntechnik GmbH Chariot pour un systeme de manipulation de palettes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10257108B4 (de) * 2002-12-05 2008-05-21 Eisenmann Anlagenbau Gmbh & Co. Kg Fahrbare Hubvorrichtung
DE102005004964B4 (de) * 2005-02-02 2008-04-03 Sew-Eurodrive Gmbh & Co. Kg Vorrichtung zum Antreiben einer Last, Krananlage und Verfahren zum Betreiben einer Vorrichtung zum Antreiben
US20150158701A1 (en) * 2013-12-10 2015-06-11 Thyssenkrupp Elevator Corporation Low-rise elevator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226006A (en) * 1988-12-02 1990-06-20 Bruce Roland Tigwell Mobile platform lift
US20070056804A1 (en) * 2003-10-01 2007-03-15 Frank Thielow Lifting device especially a lift or a lifting platform
EP2855338B1 (fr) 2012-06-01 2016-04-06 TMS Turnkey Manufacturing Solutions GmbH Dispositif de levage
EP3064466A1 (fr) 2015-03-02 2016-09-07 Liebherr-Verzahntechnik GmbH Chariot pour un systeme de manipulation de palettes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112027968A (zh) * 2020-08-31 2020-12-04 国网河南省电力公司西峡县供电公司 一种变电站检修用升降台

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DE102017114576A1 (de) 2019-01-03
EP3428115B1 (fr) 2022-08-24

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