EP2509908B1 - Hebevorrichtung und verfahren zum prüfen und überwachen solchen hebevorrichtung - Google Patents

Hebevorrichtung und verfahren zum prüfen und überwachen solchen hebevorrichtung Download PDF

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Publication number
EP2509908B1
EP2509908B1 EP10787278.0A EP10787278A EP2509908B1 EP 2509908 B1 EP2509908 B1 EP 2509908B1 EP 10787278 A EP10787278 A EP 10787278A EP 2509908 B1 EP2509908 B1 EP 2509908B1
Authority
EP
European Patent Office
Prior art keywords
lifting
energy store
circuit board
control circuit
lifting apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP10787278.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2509908A1 (de
Inventor
Josef Femböck
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2509908A1 publication Critical patent/EP2509908A1/de
Application granted granted Critical
Publication of EP2509908B1 publication Critical patent/EP2509908B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • 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
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • 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
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements

Definitions

  • the invention relates to a lifting device, in particular a single-column lift, for raising and lowering loads, which forms a lifting system with at least one further single-column lift, and a method for checking and monitoring such a lifting device, in particular for testing and monitoring a single-column lift.
  • This lifting system comprises at least two mobile lifting device, which has a lifting device with a guided therein carrier on which the load-receiving means can be arranged.
  • the lifting and lowering movement of the load receiving means is driven by a drive device.
  • On a base frame an energy storage is provided, which supplies the drive means with energy. With an additional cable, the energy storage can be charged via the public power grid when the lifting device is not in operation.
  • the cabling or wiring of the individual components of the drive device is provided such that the charger is connected directly to the energy storage and the energy storage directly to the electric motor of the drive means for operating a hydraulic unit, which raises and lowers the load.
  • the electric motor is controlled by a control board.
  • This conventional wiring is very complex and allows only partial monitoring of the components of the lifting devices during the operating phase. In addition, in case of damage to a control board of the control device, a costly on-site repair by a specialist is required.
  • the invention has for its object to provide a lifting device, in particular a single-column lift, in which a simple wiring of the individual components is possible and which can be checked and monitored in a simple manner before and during operation.
  • a lifting device in particular a one-column lift, which forms a lifting system with at least one further single-column lift, that at least the connections to the control board for the charger, for the at least one energy storage and the electric motor of the drive control to a current measuring resistor are performed.
  • a current profile for example, in the idle state and in an operating phase, can be queried.
  • a resistance measurement takes place, whereby it is checked whether the individual lines to the components in order or defective.
  • a query and monitoring of the individual components can be made possible before or during operation of the individual components.
  • control board is designed as a plug-in module and is preferably arranged interchangeably on a mounting plate, which is attachable to the lifting device. This allows for a damage of the control board or individual controls a simple complete replacement of the control device.
  • the arrangement of the control board preferably on a mounting plate on which preferably also other components, in particular the energy storage are arranged interchangeably, a good accessibility and easy replacement is possible.
  • At least one connection for the at least one energy store, a connection for the charger and / or the sensors and / or the actuators and a connection for an electric motor of the drive device are provided.
  • a connection for the charger and / or the sensors and / or the actuators and a connection for an electric motor of the drive device are provided.
  • a further preferred embodiment of the invention provides that a connection for a display device and / or a connection for an external test device are provided on the control board. Thereby can Other external devices are connected directly to the control board, whereby the replacement of a control board is simplified due to further defined interfaces.
  • control board has at least one connection for a further communication device, in particular a GPS, GSM module or a radio device or the like.
  • a further preferred embodiment of the invention provides that the current measuring resistor is coupled to the evaluation device.
  • connection for the wireless data transmission to the control board is contacted with the current measuring resistor.
  • connection for the display device and / or a connection for an external test device on the control board are contacted with the evaluation device.
  • the evaluation device can transmit and output different signals, error messages or other information to the display device.
  • an external test device, diagnostic device or a storage device can be connected, for example, to perform a diagnosis or software updates.
  • the at least one energy store can be connected to a high current plug.
  • the cable which is usually lead directly from the energy store to the electric motor of the drive device for controlling the hydraulic unit, to be guided via the control board, as a result of which the energy consumption for the activation the control device on the one hand monitored and at the same time the state of charge of the energy storage is detected to timely display a recharge of the energy storage device on the display device,
  • control board is designed as an emergency stop switch, wherein all terminals are arranged on the control board, that the control board is separable by a simple Abzieh Gay of all terminals. This allows an emergency stop to be easily achieved. At the same time, however, this also makes easy commissioning possible again. In addition, a complete exchange of the control board can be carried out by an operator, without the need for a specialist staff is required.
  • the object is further achieved according to the invention by a method for testing and monitoring a lifting device, in particular a single-column lift for lifting and lowering of loads, which forms a lifting system with at least one further single-column lift, wherein when switching the lifting device by a Evaluation device on a control board of the drive control, to which the terminals of the at least one energy storage device, the charging device, the drive device and the at least one sensor and / or the at least one actuator is connected, queried from each connected component, a current profile and evaluated. Due to the different conductor cross-sections and the different resistances of the individual components, both a simple assignment of the queried current profiles to the connection lines and / or components can be made possible.
  • a self-diagnosis can take place, whether the individual connection lines are in order or damaged and / or whether the individual components are still functional and connected.
  • a self-diagnosis is carried out when the lifting device is switched on and it is ensured that the further start-up for lifting and lowering loads is only carried out if the lifting device is correctly detected by the self-diagnosis.
  • a further preferred embodiment of the invention provides that the current profile of the individual components is monitored before, during or after the lifting and lowering of the load suspension.
  • individual states can be detected and in particular output on the display device. If individual states deviate from the permitted current profiles, an error message is output. In addition, not only can an error message be issued, but also specific information about which components are faulty or caused the error message.
  • a further preferred embodiment of the invention provides that the state of charge of the at least one energy store is queried and monitored. Due to the central supply of all terminals or lines of the lifting device via the control board is detected before and / or during operation as well as after operation of the state of charge of the energy storage. As a result, a signal for charging the energy store is output when falling below a predetermined threshold value of the state of charge, wherein the threshold value is dimensioned such that the duty cycle can still be performed controlled to the end.
  • the charge state of the energy store is monitored by the evaluation device of the control board and the charging device is controlled by the evaluation device. This allows a simple power supply to suffice, thereby achieving a cost reduction.
  • FIG. 1 is a schematic side view of a lifting device 11 according to the invention illustrated by way of example as a single-column lift, which is particularly suitable for mobile use.
  • a single-column lift 11 forms with at least one further single-column lift 11, a lifting system.
  • the single-column elevators 11 are arranged in pairs opposite each other and, for example, depending on a number of axles of a vehicle according to pairs associated with each other and arranged to the axes of the vehicle to raise this.
  • the single-column lift 11 has a base device 12, which according to the embodiment preferably comprises a chassis or steering gear.
  • the base means 12 may be formed as a support plate or mounting plate to which the single-column lift 11 is attached to the floor of a workshop or a mobile or a stationary work space.
  • a lifting column 14 is provided at the base device 12.
  • a drive device 15 is attached, which moves a carrier 16 relative to the lifting column 14 up and down.
  • a load-receiving means 17 is provided, which engages under a load to be lifted.
  • the load-receiving means is designed as a wheel gripping element. Other applications are also possible.
  • the drive device 15 comprises a hydraulic unit 21, which drives a drive cylinder, which is preferably arranged within the carrier 16.
  • the drive device can also be designed as an electrical or mechanical drive, so that, for example, a spindle drive or the like can be controlled.
  • a hydraulic control 23 is provided, which is controlled by a drive control 25.
  • actuators 24, such as a proportional valve, a lowering valve and / or a motor control valve are provided.
  • an electric motor 26 is provided, which in turn drives the hydraulic unit 21.
  • a quick-change device 28 is provided, which receives one or more energy storage 29 replaceable for powering the single-column lift 11.
  • This quick-change device 28 can also be provided as part of a mounting plate 35 or as a mounting plate 38 for receiving the energy store 29 and / or the drive control 25 and / or the drive device 15.
  • the mounting plate 38 can also be attached in a simple manner to the lifting column 14, wherein the components of the drive means 15 are preassembled on the mounting plate 35.
  • a sensor 30 is provided for detecting an upper stroke end position. Furthermore, an actuator 31 is provided at the upper end of the lifting column 14, which is designed as a fall arrester and comprises an unlocking magnet. This unlocking magnet is driven by a coil, and thereby the coil can also be used as a sensor to interrogate the position of the fall arrester.
  • the drive control 25 includes a control board 33 which is preferably attached to the mounting plate 35 and thus attached easily replaceable. Likewise, a charging device 36 is attached replaceably to the at least one energy storage 29 on the mounting plate 35.
  • the drive controller 25 controls the entire operation of the elevator 11.
  • FIG. 2 a schematic view of the control board 33 of the drive control 25 is shown with the components connected thereto.
  • the control board 33 is designed as a plug-in module and can be attached by plugging and pulling on the mounting plate 35.
  • This control board comprises a plurality of circuit components, in particular also microprocessors, of which only one evaluation device 38 and one current measuring resistor 39 are shown.
  • the control board 33 has a connection 41, in particular a high-current connection, to which a cable 42 connected to the at least one energy store 29 is connected. Another connection 43 leads to the electric motor.
  • the charging current supplied by the energy store 29 is conducted via the current measuring resistor 39 to the electric motor 26. As a result, a high-current circuit is formed, which is guided via the control board 33.
  • a further connection 46 in particular plug connection, is provided, to which the at least one sensor 30 and the at least one actuator 31 are connected.
  • the charging device 36 is connected to the plug connection 46, which is connected, for example, to a mains connection via a charging cable 52.
  • autonomous power generators such as solar modules, emergency generators and the like can provide the charging current.
  • further sensors such as a load cell or a temperature sensor, may be connected to this plug connection 46.
  • the plug connection 46 in turn is connected to the current measuring resistor 39, so that all components connected thereto are contacted with the current measuring resistor 39.
  • connection 48 in particular plug connection, is provided on the control board 33, which leads to the display device 49, in particular an LCD display, on which various switching states and information of the single-column lift can be displayed.
  • display device 49 in particular an LCD display
  • one or more further interfaces or connections 50 may be provided, such as, for example, a serial interface RS-485, so that further components are connected thereto.
  • a GPS, a GSM and / or a radio module or the like can be connected.
  • the control board 33 may further include a terminal 51 which is formed as a service, diagnostic and / or update plug-in connection.
  • a terminal 51 which is formed as a service, diagnostic and / or update plug-in connection.
  • a fault diagnosis can be carried out.
  • further software updates can be played.
  • Radio modules or the like can also be connected to this connection in order to enable external security monitoring.
  • connection lines of the individual components As a result of this arrangement of the connection lines of the individual components to the control board 33, all electrical components which can be activated on the single-column lift 11 are connected to the control board 33.
  • This allows a star-shaped arrangement of the connection lines to the control board 33. This simplifies the cabling of the individual components on the lifting column 14.
  • the lifting column 14 itself serves as a negative pole or as a neutral, so that moreover a further saving in the laying of lines to the individual components can be achieved.
  • this star-shaped arrangement and central supply of the individual connecting lines to the control board 33 has the advantage that all connections can be guided in a simple manner via at least one current measuring resistor 39, which forwards the detected current signals of the connected components to an evaluation device 38.
  • This star-shaped arrangement of the individual components on the control board 33 further has the advantage that, for example, during charging of the at least one energy storage device 29 by a charging device 36 which is connectable to a public power grid or to a generator or the like, the charging current through the Current measuring resistor is running. The charging current and the state of charge of the energy store 39 are monitored by the evaluation device. As a result, the charging device 39 can be formed in a simple manner only as a power supply.
  • control board 33 also allows a motor current for the electric motor 26 of the drive device 15, a charging current for the energy storage 29 and a supply current for the sensors 30 and / or actuators 24, 31 are guided in total across the control board 33, whereby a complete Monitoring and diagnosis of the components of the single-column lift 11 and the determination of an energy balance of the energy storage 29 is made possible.
  • the control board 33 preferably has a line structure and an arrangement of the terminals 41, 43, 46, 48 and / or 50, which in such a way are arranged, that the control board 33 is formed as an emergency stop switch. This means that by simply pulling off this control board 33 all connected components can be easily separated via their connections. This advantageous embodiment of the control board 33 allows that can be dispensed with a separate embodiment of an emergency stop switch.
  • the mounting plate 35 is shown with the example of it can be arranged components of the single-column lift 11.
  • This arrangement in the Figures 3 and 4 forms a preassembled module, which can also be tested on the function beyond.
  • this prefabricated assembly can be mounted directly to the lifting column 14 of the single-column lift in a simple manner.
  • the mounting plate 35 may be formed in two parts, so that, for example, the hydraulic control is arranged separately on a mounting plate.
  • control board 33 for lifting devices 11 may be provided in particular in single-column lifts, on platforms rails as well as other lifting devices for lifting vehicles of any kind and special vehicles.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
EP10787278.0A 2009-12-10 2010-11-22 Hebevorrichtung und verfahren zum prüfen und überwachen solchen hebevorrichtung Not-in-force EP2509908B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009057503 2009-12-10
DE102010023436 2010-06-11
PCT/EP2010/007059 WO2011069599A1 (de) 2009-12-10 2010-11-22 Hebevorrichtung und verfahren zum prüfen und überwachen solchen hebevorrichtung

Publications (2)

Publication Number Publication Date
EP2509908A1 EP2509908A1 (de) 2012-10-17
EP2509908B1 true EP2509908B1 (de) 2014-04-23

Family

ID=43568026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10787278.0A Not-in-force EP2509908B1 (de) 2009-12-10 2010-11-22 Hebevorrichtung und verfahren zum prüfen und überwachen solchen hebevorrichtung

Country Status (5)

Country Link
US (1) US9061872B2 (zh)
EP (1) EP2509908B1 (zh)
CN (1) CN102652105B (zh)
BR (1) BR112012013774B1 (zh)
WO (1) WO2011069599A1 (zh)

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Also Published As

Publication number Publication date
BR112012013774A2 (pt) 2016-04-26
EP2509908A1 (de) 2012-10-17
US20130001486A1 (en) 2013-01-03
CN102652105A (zh) 2012-08-29
WO2011069599A8 (de) 2011-08-18
WO2011069599A1 (de) 2011-06-16
CN102652105B (zh) 2015-05-13
BR112012013774B1 (pt) 2020-09-08
US9061872B2 (en) 2015-06-23

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