EP4482779A1 - Dispositif de levage et procédé de formation d'un ensemble de levage de dispositifs de levage individuels - Google Patents

Dispositif de levage et procédé de formation d'un ensemble de levage de dispositifs de levage individuels

Info

Publication number
EP4482779A1
EP4482779A1 EP23707298.8A EP23707298A EP4482779A1 EP 4482779 A1 EP4482779 A1 EP 4482779A1 EP 23707298 A EP23707298 A EP 23707298A EP 4482779 A1 EP4482779 A1 EP 4482779A1
Authority
EP
European Patent Office
Prior art keywords
lifting
storage unit
mobile storage
control device
devices
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.)
Pending
Application number
EP23707298.8A
Other languages
German (de)
English (en)
Inventor
Anton Knestel
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.)
Maha Maschinenbau Haldenwang GmbH and Co KG
Original Assignee
Maha Maschinenbau Haldenwang GmbH and Co KG
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 Maha Maschinenbau Haldenwang GmbH and Co KG filed Critical Maha Maschinenbau Haldenwang GmbH and Co KG
Publication of EP4482779A1 publication Critical patent/EP4482779A1/fr
Pending legal-status Critical Current

Links

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
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
    • 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
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07581—Remote controls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Definitions

  • the present patent application relates to a lifting device, which can preferably be a lifting column and particularly preferably a mobile lifting column, wherein a plurality of lifting devices can be coupled or connected to form a lifting system or a lifting system with two or more lifting devices. Furthermore, the present patent application also relates to a method for forming a lifting assembly which, among other things, offers increased safety and user-friendliness when coupling multiple lifting devices.
  • the lifting devices are preferably self-sufficient in terms of energy, for example by means of a battery, and the individual lifting devices within the combined lifting system are also preferably connected to one another via a wireless communication connection or a radio network for data exchange or for communication.
  • the composition of a lifting group is very flexible and differently configured lifting groups can be put together with a large number of lifting devices.
  • a total of twelve lifting devices (any other number is possible) can be assumed, which can then be coupled in this example to two different hub networks, each with six lifting devices, to a single hub network with all of them 12 jacks (or fewer) or three different jack groups with four jacks.
  • Many other configurations are conceivable, which are essentially limited by the number of lifting devices available and can be tailored to the lifting task in each case.
  • the lifting devices can preferably be provided for lifting vehicles, a lifting system can be put together, for example, depending on the number of axles or the number of wheels of the vehicle to be lifted become. For the sake of completeness, it should be mentioned that a single lifting device (alone) can of course also be used. If lifting devices are not needed for a task, they remain unused because they are not integrated into the lifting network.
  • the lifting devices are previously known with regard to their mechanical structure and can have various forms or configurations. Ideally, these are designed in such a way that the wheels of a vehicle can be picked up and lifted with a fork. However, there are also systems in which the receiving elements act on the frame, for example in rail vehicles.
  • a lifting device usually includes a chassis, a lifting frame and a lifting carriage.
  • the lifting carriage can be moved by an electric motor. This is usually done hydraulically; alternatively, threaded spindles or by means of ball screw spindles are also known.
  • the known lifting devices can have control elements or a control device arranged on the lifting frame, via which control is made possible, such as, for example, travel commands, including raising and lowering, and via which pairing/coupling processes can also be controlled.
  • mains-operated lifting systems are also known, which are connected to one another and to the mains via a set of cables.
  • the assembly (connecting, coupling or pairing) of a hub network from a large number of lifting devices is determined here by the cabling.
  • the advantage of a mobile (i.e. in particular energetically self-sufficient) lifting device is somewhat limited by the necessary cabling. Operation without a sufficient mains connection is not possible.
  • a battery-powered system can do without work on the electricity connection and be charged from time to time at a standard socket. In systems without an accumulator, the high power requirement during the lifting process must be covered by the mains.
  • Hub groups can also be formed using a data cable connection and are already known.
  • the full flexibility of mobile lifting devices is restricted by the pairing by means of a data cable, or the full flexibility cannot be used, since the data cable entails certain restrictions, among other things; e.g. physical restrictions regarding the length of the cable or the routing.
  • the present patent application therefore relates in particular to lifting devices and lifting groups whose individual lifting devices communicate with one another wirelessly, e.g. via a radio network provided at the installation site, i.e. exchange data.
  • a driving command is entered by means of a remote control or on a lifting column and all lifting devices of the lifting assembly then exchange suitable data with one another in order to carry out the driving command synchronized with one another on all lifting devices.
  • the individual lifting devices behave in the lifting group, i.e. when coupled or connected via radio, together like a mechanically coupled lifting system; For example, by performing an upward or downward movement simultaneously and identically with regard to the route and direction of travel.
  • This synchronized network behavior is very important in terms of security and therefore both the radio communication and the formation of a hub network must meet high security requirements.
  • radio communication within a network takes place in the time slot method, in which each hub device of the hub network has been assigned a time/number specified in a sequence when connecting/coupling, at which this data is sent can. Data is sent according to the specified order cyclic. Each hub usually transmits according to a predefined protocol.
  • each lifting device can contain 8 bytes (or more or less), which in turn can be divided up as follows, for example:
  • the identification or the identification code (above bytes 2 and 3) can be a 16-bit value, for example, which is uniquely and unambiguously assigned to each controller at the factory. This means that an identification code only occurs once for all lifting devices. Code lengths other than 16 bits are of course also possible.
  • EP3057903 a method for radio communication is known from EP3057903, in which a suitable free radio channel is first selected by machine.
  • the column network is established in that an operator must assign a unique key or code to each of the columns to be selected. The latter is complex and the way the operator enters the key could also be improved in terms of security. If the key is assigned from a data carrier, each key needs its own data carrier with the appropriate coding.
  • a control device of a lifting device is described.
  • the control device can be an integral part of an existing control or control module of the lifting device, e.g. by retrofitting the technical properties described here using hardware and/or software, or the control device described here can be a separate device (comprising hardware and/or software ) be.
  • the lifting device can also be referred to as a lifting column and it is preferably the same or similar to a known mobile lifting column with regard to the mechanical equipment.
  • the lifting device is particularly preferably supplied with electric current by its own energy unit.
  • the control device is provided in particular for setting up a hub network which has a large number of lifting devices which are preferably connected to one another in the hub network by means of a radio communication connection for wireless/wireless data transmission.
  • the radio communication link can also be named as radio link, wireless communication link or the like.
  • the connection can be made in a radio network that is available at the installation site of the lifting devices.
  • the radio network can have several frequency bands (radio channels) over which a radio communication link can be established.
  • the control device can have a first memory device which is set up to store (electronic) data, the data comprising at least one (unique) identification code for identifying the lifting device.
  • the unique identification code is preferably set at the factory and is preferably unchangeable.
  • a second memory device can be provided, which is set up to store (electronic) data, the data comprising at least one or more identification codes from one or more other lifting devices.
  • the data, including identification codes, which are or can be stored in the second storage device are data received during operation and can be changed or erased. This data in the second storage device can be deleted, for example, after the dissolution or decoupling of a hub network, so that the second storage device is again ready to carry out the method described below or to participate in a renewed coupling process.
  • the memory devices can comprise any known type of data memory and can be part of or connected to the control device.
  • the subdivision into a first and second memory device is preferably used here for (linguistic) differentiation of the data stored thereon and they can also be part of a single memory device. It is only important that the identification code of one's own lifting device is stored in advance and unchangeably, while other data, including identification codes of other lifting devices, are stored in a changeable and erasable manner.
  • the memory management required for this and/or the hardware configuration of one or more memories is already known.
  • control device can have a transmitter/receiver device, in which case two separate devices can also be used for sending and receiving data.
  • the transmitter/receiver device is set up to send the identification code, which is stored in the first storage device, to an (external) mobile storage unit.
  • This can be done via a wireless radio connection, preferably a short-range radio connection technology such as Bluetooth®, NFC ® or the like, or via a physical connection, e.g. by plugging the mobile storage unit into a corresponding port, e.g. USB, or via a temporarily established cable connection.
  • a wireless radio connection preferably a short-range radio connection technology such as Bluetooth®, NFC ® or the like
  • a physical connection e.g. by plugging the mobile storage unit into a corresponding port, e.g. USB, or via a temporarily established cable connection.
  • one or more and preferably all identification codes stored on the mobile storage unit can be received.
  • the received data can then be stored by the control device or a sub-unit in the second memory device.
  • the transmitter/receiver device can also and preferably also be set up to receive or send incoming and outgoing radio communication with other lifting devices via radio channels.
  • the transmitter/receiver device can either have its own unit or it is configured overall in such a way that both the connection to the mobile memory unit and radio communication with other lifting devices can be established.
  • control device can have a control device that is set up to trigger a transmission of identification codes between the mobile memory unit and the transmitter/receiver device of the control device at a predetermined event, ie automatically.
  • this one can Control device have the configuration that the identification codes stored in the first and second storage device can be sent via the (externally provided) radio network or a radio communication link to the other lifting devices and/or to the radio network whose identification codes are stored in the second storage device.
  • the claim describes that the control device is configured to transmit this data. This is preferably to be understood in such a way that the control device triggers or instructs the data transmission, while the transmission itself can then be carried out, for example, by the transmitter/receiver device.
  • the identification codes can be transferred from the two storage devices in order to form a lifting system from the associated lifting devices and to complete the coupling, ie to close the system with regard to the further accommodation of lifting devices. This can thus preferably be carried out by the control device of the last lifting device to be included in the lifting assembly.
  • the identification codes stored in the first and second memory device can also be sent to the radio network or a controller of the external radio network, so that the lifting devices assembled in the hub network are stored and known there. The latter is possible in particular using the time slot method, since here each lifting device of an identification code stored in a memory device in the last selected lifting device is assigned a time slot for communication with the other hub network lifting devices and the hub network can be defined as a result.
  • each lifting device that is to be integrated into a network uploads its predetermined identification code to an external storage medium when a user e.g. holding it close to a lifting device to be selected or physically connecting it to the lifting device for data transmission.
  • the identification code is unique and thus clearly defines which lifting device should be integrated.
  • the operator can simply approach each lifting device to be connected and have the identification code read out on the mobile storage device, whereby all identification codes are collected captively on the mobile storage unit in order to compile the lifting network with precisely these lifting devices at the end of the coupling process.
  • this also eliminates the possibility of an operator making an incorrect entry when selecting the lifting devices to be coupled, because the operator no longer makes any entries whatsoever with regard to the lifting device(s) to be selected and, as described in a preferred modification described below the operator does not have to select or enter a radio channel for the hub network.
  • a control device of this type, as presented here thus allows the effort involved in setting up a network, among other things, to be reduced and operational reliability to be further increased.
  • a single mobile memory unit can be used for many different coupling processes, since its memory can be deleted after a coupling process has taken place, or this can also be done automatically.
  • the transmitter/receiver device can also be set up to scan the frequency bands of a radio communication network or radio network and to automatically select a radio frequency band or a radio channel based on predefined parameters/criteria in order to communicate with one or more transmitter/receiver devices from others Lifting devices to be able to exchange data wirelessly via the selected radio frequency band.
  • the radio network can be any network provided for mobile/wireless communication (data exchange), which can have several frequency bands or frequencies or frequency bands for establishing different radio channels.
  • a radio channel can be selected by a hub device or its control device or its transmitter/receiver device, for example, on the basis of the minimum noise level of existing radio channels and the Control devices of each lifting device can preferably be set up to scan radio channels that are available continuously or in pulses over time.
  • the predefined parameter/criteria for the automatic selection can be the noise level, for example.
  • Several parameters can also be linked, for example the noise level and information about which radio channels are still free.
  • the transmitter/receiver device can be set up to transmit the selected radio frequency band or frequency (radio channel), i.e. preferably an identifier such as a predefined radio channel number, to the mobile memory unit.
  • radio frequency band or frequency radio channel
  • identifier such as a predefined radio channel number
  • a first hub device from a plurality of hub devices to be selected for the network can automatically define/select the radio channel and thereby define it for the communication in the hub network to be formed.
  • This information regarding the radio channel is preferably also transmitted to the mobile memory device with the identification code, so that it can be transmitted to all other lifting devices by data transmission from the mobile memory unit in an input-safe and unmistakable manner.
  • a further preferred modification of the control device can include that the predetermined event for the transmission of the identification code is the prior activation of a pairing mode of the control device and/or the wireless or wired or physical connection of the mobile storage unit to the control device.
  • the "and" combination is particularly preferred here, so that the coupling, ie the formation of a lifting system, is first prepared by a command which can be entered, for example, at a first lifting device provided for the lifting system; in particular by keystroke, screen input, remote control input or the like. This first selected The lifting device can then automatically select a radio channel to be used for the entire hub network.
  • the connection to the mobile storage unit is, for example, an event that occurs when the mobile storage unit approaches the transmitter/receiver device or another unit specially provided for this data connection.
  • the mobile memory unit is a transponder, a chip card, a tag, a mobile phone or another mobile device that is suitable for establishing a data communication connection with the control device of the lifting device and has a data memory.
  • the data connection (communication connection) can be established as described above and in the case of a short field radio communication protocol, the approach (within a preferably preset distance and depending on the technology used, NFC, RFID or the like.) Can already be defined as an event for the transmission of the identification codes.
  • Other possibilities include physically connecting, e.g. a USB stick as a mobile storage unit, or additionally pressing a button or the like on the control device and/or the mobile storage unit.
  • the control device can therefore be operated in a highly automated manner and only the start of a composite assembly and/or the end of such a process can be specified by an operator input as a manual safety function.
  • these can also be automated, e.g. by automatically evaluating the approach or connection of a mobile storage unit to a lifting device/control device that is not yet part of a hub network or whose second storage device does not contain any identification codes as a start of coupling.
  • control device is set up to exchange data with other hub devices (or their control devices) via a selected radio channel using the time slot method.
  • the time slot communication allows very secure data transmission between the individual hub devices of a hub network.
  • control device can have an input device on which a user of the lifting device can enter control commands and the control commands entered on the input device are transmitted via the selected radio channel to all other control devices that are integrated into the hub network.
  • the input device can be configured in many ways and also include combinations of, for example, buttons, switches, interactive screen user interfaces, remote controls, mobile communication units, e.g. smartphones, or the like.
  • the operation can thus be designed to be flexible and as simple as possible to carry out.
  • the input device can also be suitable for displaying or outputting data or information to the operator.
  • a lifting device with at least one control device according to at least one of the above aspects or modifications is described and according to a further aspect a system with at least two lifting devices set out above and at least one mobile storage unit is described.
  • the advantages and modifications described above also apply to these aspects.
  • a further modification relates to a system, preferably as mentioned above, in which an operator can integrate/couple/connect the at least two lifting devices into a lifting network with radio communication between the lifting devices.
  • the operator can preferably activate a pairing mode on a first of the at least two lifting devices and connect the mobile storage unit for communication with the first lifting device.
  • the coupling mode can also be activated simply by connecting the mobile storage unit to the lifting device or their control device.
  • a control device of the first lifting device is also set up to transmit the identification code from the first storage device to the mobile storage unit, to select a radio channel and also to transmit this to the mobile storage unit, with the operator then separating the data connection between the mobile storage unit and the first lifting device and a new data connection is established between the mobile storage unit and another of the at least two lifting devices, the control device of the further/second lifting device being set up to transmit the identification code from the first storage device to the mobile storage unit and the identification code of the first lifting device and the radio channel to be received by the mobile storage unit and to be stored in the second storage device.
  • the operator then disconnects the data connection to the other lifting device and preferably deactivates the coupling mode; for example, by a corresponding input from the operator on the further/last lifting device.
  • the identification codes stored in the first and second memory device are then preferably transmitted by the control device of the further/last lifting device via the selected radio channel (here, as explained above, transmission should preferably be understood to mean that the transmission is started or triggered by the control device while the transmission itself can preferably also be carried out by the transmitter/receiver device or other units), so that all lifting devices connected in the network know the identification codes of the lifting devices arranged in the lifting network.
  • the last hub device or its control device can also transfer the collected identification codes of the hub devices to be connected to the radio network, where each hub device of the assembled network is assigned a number in the order of cyclic data transmission using the time slot method, so that only hub devices participate in the network communication can participate, whose identification codes were transferred to the radio network, and they can only send data at the assigned cyclically recurring times.
  • a method for wirelessly coupling at least two lifting devices to form a hub network comprising the at least two (and up to N, where N is an integer) lifting devices is described. More preferably, the lifting devices are those set forth above in the aspects and modifications described above.
  • the method can have the following steps and preferably in the following order:
  • activating a coupling mode on at least one of the plurality of lifting devices activating a coupling mode on at least one of the plurality of lifting devices; Establishing a communication connection between a first lifting device and a mobile storage unit in a wireless or wired or wired manner; transmitting the identification code stored in the first storage device of the first lifting device to the mobile storage unit; disconnecting the communication link between the first hub device and the mobile storage unit; Establishing a communication connection between an (N)th lifting device and the mobile storage unit in a wireless or wired or wired manner; transmitting the identification code stored in the first storage device of the Nth lifting device to the mobile storage unit; receiving the identification codes stored on the mobile storage unit and storing the received identification codes in the second storage means of the (N)th lifting device; disconnecting the communication link between the (N)th hub device and the mobile storage unit; exiting the pairing mode (if any) and transmitting the identification codes stored in the first and second storage means to the Nth lifting device.
  • the transmission can be made to each lifting device whose identification codes are stored in the first or second memory device of the Nth lifting device and/or the transmission can be made to the radio network.
  • the latter option can be used in connection with a time slot communication so that a radio network controller assigns a communication slot (slot) to each hub device whose identification code has been transmitted to it, in which only this an assigned hub device can put data into the hub network communication of the selected radio channel.
  • N were to be greater than 2, there would be further steps of coupling between an N-1st, N-2nd, etc. lifting device and the mobile storage unit, as well as corresponding transmission steps.
  • a preferred modification includes that the respective start of the transmission of identification codes or storage takes place when a predetermined event occurs and this can be, for example, the establishment of a communication connection between the respective lifting device and the mobile storage unit, particularly preferably in the case of near-field communication means, e.g. through the approach an operator, who carries the mobile storage unit with him for the purpose of forming a lifting network, to the control device of the respective lifting device to be selected.
  • a preferred modification includes the provision of a radio communication network with at least one radio channel, which is preferably selected automatically in one step by the first hub device and transmits the identifier or number of the selected radio channel from the first hub device to the mobile storage unit and stored there while they are connected.
  • the channel identifier is also transmitted from the mobile memory unit to each subsequently selected lifting device in order to also store it in the second memory device.
  • the lifting device is preferably selected by an operator with the mobile storage unit approaching each lifting device with the mobile storage unit that is to be integrated into the hub network one after the other.
  • the first lifting device that the operator approaches should also preferably be the first lifting device mentioned above.
  • the first lifting device can also be one on which the operator additionally activates a coupling mode.
  • the Nth The lifting device is particularly preferably identified as the last one selected for the lifting system in that the operator enters a command to end the coupling mode in a further step, for example by pressing a button on this lifting device.
  • the data on the mobile storage unit that was used to form the hub network that was just created is deleted.
  • the memory of the mobile storage unit can also be erased by the last (Nth) lifting device transmitting a corresponding command to the mobile storage device after the hub network has been completed, so that the mobile storage unit can then be used universally for other hub network combinations.
  • the deletion can also be carried out manually by the operator.
  • the present disclosure can overcome the disadvantages of the previously known methods and devices and enable a particularly safe and inexpensive coupling of lifting devices in a lifting system.
  • Figure la shows the perspective of a lifting device according to the present disclosure.
  • 1b shows a top view of a lifting device according to the present disclosure.
  • FIG. 2 schematically shows a lifting system comprising a number of lifting devices.
  • Fig. 3 shows the arrangement of time slots for a time slot communication method.
  • 4 shows a preferred controller according to the present disclosure. Detailed description of the figures
  • FIG. 1a shows a perspective view of a single lifting device 1, which in the present example can also be referred to as a mobile lifting column or “lifting column” for short.
  • the lifting device 1 can be part of a lifting system (also called a lifting system), which is composed of several of the lifting devices 1 shown.
  • the lifting devices 1 of a hub network communicate with one another via a radio network that is provided at the installation site of the hub network.
  • FIG. 1b shows the same lifting device from a bird's eye view.
  • the lifting device 1 is mounted on a mobile base 2 .
  • a lifting carriage 3 is mounted on the lifting device 1 so that it can be moved vertically, and load handling devices (forks) 9 are arranged on the lifting carriage 3 .
  • FIG. 1b shows a load handling device 9 for receiving vehicle wheels.
  • load handling attachments are also available (not shown), e.g. for picking up vehicles directly on the vehicle frame.
  • a single fork 9 is used, which has a limit switch (not shown) at the front end, via which the controller of the lifting device 1 signals that the pickup is present at the load point (not shown).
  • the lifting spindle (not visible) is mounted in the lifting device 1 and is driven by the electric motor 5 and the gear 4 .
  • the electrical energy for operating the lifting device 1 is supplied by a mobile energy supply unit 7, such as a battery or a fuel cell or the like.
  • a control module 8 is also arranged on the lifting device 1, which preferably also integrates a control device 10 according to the present disclosure may have.
  • Operating elements 6, such as keys, knobs, screen(s), can be arranged on the front of the control module 8.
  • FIG. 2 shows a hub network with here, for example, three lifting devices 1 (more or fewer lifting devices 1 can also form a hub network according to the present disclosure), which are coupled to one another and via a radio network (not shown explicitly) and a radio channel 30 of the radio network, which is symbolized schematically as a double arrow between the lifting devices 1, can communicate with one another, i.e. exchange data or control commands, among other things.
  • a lifting system an operator can enter control commands on a lifting device 1, e.g. for lifting the fork 9, and these are passed on to all other lifting devices 1 via the radio channel 30, so that all individual lifting devices 1 in the lifting system implement the command in a synchronized manner.
  • FIG. 2 schematically shows the control device 10 described here for each lifting device 1, which is set up, among other things, to carry out a coupling process in order to be able to form a lifting assembly from individual lifting devices 1.
  • a mobile storage unit 100 is also preferably used for this purpose, which is also shown schematically in Figure 2, wherein the control device 10 and the mobile storage unit 100 each have a unit or device that has a communication link 20 between the control device 10 and the mobile storage unit 100 can be constructed.
  • This communication connection 20 is shown schematically in FIG. 2 by means of a short-distance radio communication connection, of which NFC®, Bluetooth® or the like are suitable examples.
  • the mobile storage unit 100 can also be physically coupled to the control device 10 temporarily, for example via a cable connection or by plugging it into a USB port or comparable means.
  • the establishment of the communication connection 20 between the mobile memory unit 100 and a control device 10 can therefore be set up very flexibly.
  • the lifting devices 1 communicate with one another preferably via the selected radio channel 30 in a time slot method. This is shown schematically in FIG. 3, which shows an arbitrarily selected number of time slots 31-1, 31-8 in which (ie during this time window) the hub device 1 reserved for the respective time slot can send data.
  • each lifting device 1 can send data periodically at a fixed point in time. If there are fewer lifting devices 1 than time slots 31-1, 31-8, then individual time slots 31-1, 31-8 can also remain free. As is known, the time slots 31-1, 31-8 can be occupied, for example, by controlling the radio network or by the sequence in which lifting devices 1 or the like are coupled.
  • each lifting device 1 preferably sends data according to a predefined protocol.
  • a predefined protocol An example of this has already been shown above in the introduction, which can preferably also be used for the present subject matter.
  • each lifting device 1 sends eight bytes of data, particularly preferably twice, in order to increase data security.
  • the order of transmission or when a lifting device may transmit is stored in the fourth byte in accordance with the protocol explained above by way of example.
  • FIG. 4 also shows a schematic structure of a preferably configured control device 10 according to the present disclosure.
  • the control device 10 preferably includes a transmitter/receiver device 12 which can exchange data with other lifting devices 1 or their control devices 10 via the radio network and radio channels 30 .
  • this transmitter/receiver device 12 can also have a sub-unit or the like in order to set up the data connection 20 with the mobile storage unit 100, which is illustrated here schematically by means of the three curved lines via a short-distance radio connection as an example.
  • the control device 10 comprises a storage device, which has a first and a second storage device 13, 14 may include.
  • the first storage device 13 stores at least one identification code that is assigned unchangeably during delivery or manufacture or the like for a single lifting device 1 .
  • the second memory device 14 can store other data and in particular data received from other lifting devices 1 by means of the transmitter/receiver device 12 .
  • a control device 11 or a control unit of the control device 10 executes control logic or control programs that can be stored in the memory device. This provides a configuration whose technical advantages will become even clearer through the following explanations.
  • control device 10 can also have an input device 15 or be connected to one.
  • the operating elements 6 and the input device 15 can preferably also be uniform or be connected to one another.
  • the sub-units/devices of the control device 10 are suitably connected to one another internally, so that data can be exchanged with one another.
  • This can be implemented in a known manner, e.g. by a common arrangement on a circuit board or the like.
  • the control device 10 is preferably configured with the above-mentioned sub-units/devices in such a way that an operator can couple at least two lifting devices 1 in a lifting system by means of a radio connection/radio channel 30 between the lifting devices 1 .
  • the operator can, in a preferred method, bring the mobile storage unit 100 close to or within radio range of the short-range radio reception of the connection 20 of a lifting device 1, which is to be integrated as the first lifting device 1 into a hub network to be created.
  • the operator can also establish a physical data connection 20 between the first lifting device 1 and the mobile storage unit 100 .
  • This process then preferably activates a coupling mode (alternatively, this can also be activated by an additional operator input be started), which means that the first lifting device 1 selects a free radio channel 30 of the external radio network.
  • the lifting devices when they are supplied with electrical voltage, can either continuously scan radio channels 30 or this can also only take place when the coupling mode is activated.
  • the radio channel 30 for the hub network to be formed is preferably selected automatically by the first lifting device 1 and can be done according to predefined criteria.
  • a possible criterion can be, for example, that the radio channel 30 with the lowest interference level is selected.
  • the radio channel 30 After the radio channel 30 has been selected, its number or identifier is transmitted from the first lifting device 1 to the mobile memory unit 100 .
  • the first lifting device 1 also transmits the identification code stored in the first memory device 13 to the mobile memory unit 100. This occurs so quickly that the operator does not have to be informed that the transmission is complete.
  • the transmission of the above data to the mobile storage unit 100 can also be completed by a signal, e.g. optical or acoustic, using e.g. the operating elements 6 or the input device 15, so that the operator knows the exact point in time from when the Connection 20 can be separated again with the first lifting device 1.
  • the activation of a new coupling process can also result in the control device 11 being able to issue a delete command for old, preferably all old, data in the second memory device 14 and the mobile memory unit 100 before a command for the above-explained Data transfer is given.
  • the resetting of the data in the second storage device 14 and/or the mobile storage unit 100 can also be implemented in other ways; to manual deletion.
  • each other lifting device 1 will approach each other lifting device 1 to be selected, ie a second, third, fourth, fifth lifting device, etc., with the mobile storage unit 100 in order to establish a data connection there as well 20 to build up between the mobile storage unit 100 and the respective further lifting device 1 .
  • the corresponding identifier which is stored on the mobile storage unit 100, is transmitted for information to the other lifting devices 1 and, together with the identification codes already stored on the mobile storage unit 100, in the respective second Storage device 14 of the respective lifting device 1/control device 10 is stored.
  • each control device 10 of every second, third, etc. lifting device 1 selected by the operator for the lifting system transmits its identification code to the mobile storage unit 100 and receives the data already stored there, i.e. the identifier of the radio channel 30 selected by the first lifting device 1 as well as the identification codes of the previously selected lifting devices 1 already stored on the mobile storage unit 100.
  • the radio channel identification and also all identification codes of all previously selected lifting devices 1 are thus stored in the second storage device 14 on the last lifting device 1 to be integrated into the hub network, after these have been removed from the mobile Storage unit 100 were transferred.
  • the operator can then terminate the coupling or pairing mode by means of a correspondingly predetermined operator input, or it ends automatically after a predetermined period of time and/or after a predetermined number of lifting devices 1 that are to be inserted into the hub network.
  • the last selected lifting device 1 (also referred to as the Nth lifting device 1) then hands over/transmits all identification codes from the first memory device 13 (i.e. its own) and from the second memory device 14 (ie those of the previously selected lifting devices 1) to the radio network, where each hub 1 is allocated a time slot 31-1-31-8.
  • the lifting system is now closed and ready to work.
  • the last lifting device 1 can also transmit all identification codes via the selected radio channel 30 to all lifting devices 1 whose identification codes are stored in their second memory device 14, so that they are informed about the hub network participants.
  • the lifting devices 1 interconnected/coupled/paired/connected to one another in the hub network exchange their information/data in a known manner using the time slot method.
  • the method described above ensures that the identification numbers of all lifting devices 1 working in the network are mutually known Columns are known. All commands such as “lifting” or “lowering” the load are only carried out by the columns with a known identification code.
  • data packets/data it is preferably possible, also in order to further increase the security of the data transmission, for data packets/data to be Hamming-coded and decoded by the receiving hub devices 1 and the validity of the data record also checked there, e.g. by the control device 11. In the case of incorrect data, the consequence can be that the movement of all lifting devices 1 in the group is stopped.
  • the method described above in which the identification codes of lifting devices selected for the formation of a hub network are collected using a mobile storage unit (e.g. an RFID transponder, NFC chip/card, etc.) and (then) sent to the radio network and/or all lifting devices 1 of the Hub group are handed over or transmitted, a manual incorrect entry or the same by an operator can be excluded and the security of the group formation can be increased again.
  • a mobile storage unit e.g. an RFID transponder, NFC chip/card, etc.
  • the method also requires the least possible effort from the operator who assembles the lifting assembly, since the mobile storage unit 100 essentially only has to be carried once to the lifting devices to be selected.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Civil Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de couplage sans fil d'au moins deux dispositifs de levage (1) pour former un ensemble de levage comprenant les au moins deux dispositifs de levage (1).
EP23707298.8A 2022-02-22 2023-02-20 Dispositif de levage et procédé de formation d'un ensemble de levage de dispositifs de levage individuels Pending EP4482779A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022201848.6A DE102022201848A1 (de) 2022-02-22 2022-02-22 Hubvorrichtung und verfahren zur bildung eines hubverbundes aus einzelnen hubvorrichtungen
PCT/EP2023/054151 WO2023161174A1 (fr) 2022-02-22 2023-02-20 Dispositif de levage et procédé de formation d'un ensemble de levage de dispositifs de levage individuels

Publications (1)

Publication Number Publication Date
EP4482779A1 true EP4482779A1 (fr) 2025-01-01

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Application Number Title Priority Date Filing Date
EP23707298.8A Pending EP4482779A1 (fr) 2022-02-22 2023-02-20 Dispositif de levage et procédé de formation d'un ensemble de levage de dispositifs de levage individuels

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Country Link
US (1) US20250162847A1 (fr)
EP (1) EP4482779A1 (fr)
DE (1) DE102022201848A1 (fr)
WO (1) WO2023161174A1 (fr)

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US9352944B2 (en) * 2012-03-19 2016-05-31 Gray Manufacturing Company, Inc. Control and communication system for a wireless vehicle lift system
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Also Published As

Publication number Publication date
WO2023161174A1 (fr) 2023-08-31
DE102022201848A1 (de) 2023-08-24
US20250162847A1 (en) 2025-05-22

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