EP1281656A1 - Système et dispositif pour entretien à distance d'une grue - Google Patents

Système et dispositif pour entretien à distance d'une grue Download PDF

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Publication number
EP1281656A1
EP1281656A1 EP02017059A EP02017059A EP1281656A1 EP 1281656 A1 EP1281656 A1 EP 1281656A1 EP 02017059 A EP02017059 A EP 02017059A EP 02017059 A EP02017059 A EP 02017059A EP 1281656 A1 EP1281656 A1 EP 1281656A1
Authority
EP
European Patent Office
Prior art keywords
crane
communication
data
computing unit
switch
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.)
Withdrawn
Application number
EP02017059A
Other languages
German (de)
English (en)
Inventor
Andreas Lackner
Hubert Strasser
Harald Hollnsteiner
Gerhard Hörtenhuber
Peter Wirthumer
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.)
Voith Werke Ing A Fritz Voith GmbH and Co KG
Original Assignee
Voith Werke Ing A Fritz Voith 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 Voith Werke Ing A Fritz Voith GmbH and Co KG filed Critical Voith Werke Ing A Fritz Voith GmbH and Co KG
Publication of EP1281656A1 publication Critical patent/EP1281656A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
    • B66C13/44—Electrical transmitters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Definitions

  • the invention relates to a system for connecting individual electrical components Crane, especially a bridge crane system, to at least one distance to this crane Ground station, and a device for transmitting and / or receiving data and / or Signals between several electronic components on a crane, in particular a bridge crane, and a computing unit distant from the crane, as in the claims 1 and 25 is specified.
  • the present invention is based on the object of being simple or as inexpensive as possible Signal or data connection for several electronic components of a crane to create a computing unit distant from these.
  • the subsection of the communication channel is wired on the crane and therefore with simple measures A high level of interference immunity to external influences can be created. Furthermore, the signals or data can be converted or converted from the respective electronic components are transmitted unchanged to the communication switch and then stand for further transmission via the remaining section of the communication channel ready.
  • a further development according to claim 3 is also of particular advantage since it is complex Cable connections from the ground station to the respective components on the crane are unnecessary can be.
  • a radio connection between the crane and a ground station is an advantage.
  • the radio transmission only over takes place in a relatively narrow or restricted area and is therefore relatively simple Radio transmission systems can be used.
  • a high interference immunity especially compared to other radio data systems, can be achieved. Due to the radio transmission in the immediate area around the crane Another advantage is that there are complex cable connections for signal and data transmission between the crane and the floor area, or much easier radio data systems to be installed can be replaced.
  • An embodiment according to claim 7 is also advantageous because it makes it reliable and versatile tried and tested radio systems are used, which are also available relatively inexpensively can.
  • a reliable, extensive signal or data transmission with general use Available communication media is made possible by the configuration according to claim 9.
  • remote control, remote maintenance or remote monitoring of the electronic components starting from a central ground station to any cranes erected far away.
  • Maintenance work such as Software updates or adjustment work or so-called parameterization can thus can be carried out remotely at relatively short notice, which means that Travel expenses for maintenance technicians or system administrators are reduced or even unnecessary in some cases.
  • a convenient selection of the component to be connected or the corresponding end device is made possible by the configuration according to claim 13 or 14.
  • a software module for central administration or for establishing a connection, outgoing from an arithmetic unit to a certain electronic terminal at a certain Crane is specified according to the advantageous development according to claim 15.
  • the usual range of functions for the standard software provided for the respective components continue to be used no adaptations required to operate or control the respective end device or to be able to query.
  • the standard control commands, screen masks and the like When networking the electronic components according to the invention be kept unchanged with the computing unit.
  • a simple design communication switch with high reliability is the claim 19 or 20 specified.
  • those trained on the communication switch enable Interfaces a problem-free connection to the standard interfaces a computing unit, in particular a personal computer.
  • the object of the invention is also independent by a device according to the features solved in claim 25. It is advantageous here that only one communication channel selectively addressed a plurality of electronic components or devices on the crane can be. From a functional point of view, the specified device is a kind of networking the crane-side components with a computing unit. Seen structurally However, this connection is much easier and cheaper to implement.
  • control signals for the communication switch transmitted over the same communication channel, over the following also a transmission or reception of signals or data to or from the respective electronic component. Additional hardware for remote control the communication switch can thus be dispensed with, reducing the overall cost of the device can be kept low.
  • a bridge crane 2 or a so-called Gantry crane illustrates which via trolleys 3, 4 to different locations can be moved.
  • These trolleys 3, 4 can on rails close to the ground 5, 6 can be supported movably or also in the area of a ceiling construction of halls be realistically adjustable compared to corresponding guide rails.
  • Such a hall or overhead crane 2 comprises at least one main beam 7 on which a so-called trolley 8 or a crane boom is arranged.
  • This trolley 8 is in the longitudinal direction of the main support 7 can be moved and has at least one electromotive drive device 9, 10.
  • the trolley 8 in the longitudinal direction of the Main carrier 7 is movable and with the further drive device 10 is a load suspension device 11, for example a crane hook, a load fork or the like, can be raised and lowered.
  • At least one drive device 12 to be operated electrically is designed, Via which the crane 1 or the main girder 7 can be moved via the trolley 3, 4.
  • a crane boom is arranged on the main beam 7, this is via a drive device movable relative to the main beam 7 and preferably via a slewing ring and an independent one Drive device rotatably mounted about a vertical axis.
  • At least one of the drive devices 9, 10, 12 of the crane 1 comprises can be formed by electromechanical or electro-hydraulic systems, an electronic Speed control device 13, for example a so-called frequency converter 14 for asynchronous motors.
  • the crane 1 can also include a weighing device 15 with which the weight loads can be recorded and the relevant data can be used electronically if necessary can.
  • a weighing device 15 with which the weight loads can be recorded and the relevant data can be used electronically if necessary can.
  • at least one is directly on the crane 1 and / or in the vicinity of the crane 1
  • Control device 16 formed, which with actuators, such as the drive devices 9, 10, 12 and with sensors, for example force sensors, limit switches and the like., connected is. Movement sequences and / or operating states can be controlled by means of the control device 16 of the crane 1 are predetermined or influenced.
  • Also directly on the crane 1 several electrical or electronic components 17 or assemblies, occasionally with sensors and / or actuators connected to it, their operating state or operating behavior is essential for the operation of crane 1.
  • Many of these electronic components 17 are usually with microcomputers and with electrical data or communication interfaces 18 for connection to conventional ones Computing units 19, for example in the form of personal computers 20, laptops, or the like. fitted. Via this at least one communication interface 18 of the respective components 17 is a data connection between the computing unit 19 and a microcomputer of the respective component 17 buildable. This data connection can be used for parameterization and / or setting and / or monitoring and / or updating of software and / or can be used to query other data.
  • the respective functions of the electrical Components 17 are by means of programs or software modules that are specifically placed on them, which is preferred on an arithmetic unit 19 for general purposes a personal computer 20 that are executable.
  • system 21 is an optional with technically relatively simple means Access to the components 17 via their communication interfaces 18 via a single wireless or wired or combined communication channel 22 for data or signals.
  • trailing cable arrangements 23 and / or cable drum arrangements and / or electrical conductor lines 24 are provided.
  • These wired energy transmission devices are complex and occasional requires maintenance. The more electrical circuits or wires are required for a crane 1, the more expensive is usually the respective energy transmission device, i.e. the trailing cable arrangement 23 and / or conductor line 24 and / or cable drum arrangement.
  • a parallel routing of the electrical feed or supply lines and of the data lines leading to the communication interfaces 18 of the respective components 17 are usually due to possible electromagnetic interference potential problematic.
  • the maximum transmission distances are from the communication interfaces 18 of the respective components 17 to a corresponding computing unit 19 usually very limited and are occasionally repeaters for larger transmission links or the like.
  • At least some of the communication interfaces 18 of the various components 17 are preferably to be connected to at least one ground station 25 for communication or signaling purposes. That starting from at least one ground station 25, a transmission and / or a Receiving signals and / or data to or from the respective components 17 on the crane 1 are made possible.
  • the ground location 25 can be located in the vicinity of the crane 1
  • Control center 26 may be formed, in which case parts of the control device 16 for the crane 1 or for entire crane systems can be accommodated.
  • the floor 25 can also be defined by a remote maintenance point 27, which is local or extensive can be distant from the location of the crane 1. This remote maintenance point 27 can The location of the location of the manufacturer of crane 1 is hundreds of kilometers be away from the location of the crane 1.
  • system 21 can also be used regional and / or national and / or international connection of electronic Components 17 and / or the control device 16 of the crane 1 to a computing unit 19 respectively.
  • FIG. 2 is a schematic or block diagram of the system 21 for communicative or data-related Connection of individual electrical components 17 of the crane 1, in particular a gantry crane system with at least one crane 1 that is distant from it, stationary or stationary floor location 25 shown.
  • This floor location 25 can thereby Control center 26 of an industrial plant located near crane 1 or through an office 28 a largely distant remote maintenance point 27.
  • This remote maintenance point 27 and / or control center 26 can be used for maintenance and / or observation and / or control and / or data query of a crane 1 located at the corresponding place of use is provided his. It is also possible, starting from the floor location 25 via the specified system 21 software updates or adapted operating programs in the respective storage devices of the various components 17 on the crane.
  • Cranes 1, in particular bridge cranes 2, of modern design have numerous electrical components 17 or electronic systems.
  • Such systems or components 17 are Speed control devices 13, for example several frequency converters 14 for individual ones Drive units and / or various control devices 16, for example for one Radio control, position control or the like.
  • And / or electronics for a weighing device 15 and / or a data and / or video recording device 29 is that, depending on the design of the crane 1, only some of the aforementioned electrical Components 17 can be formed or other electrical components 17 with signal or.
  • Data interfaces or communication interfaces 18 are provided.
  • the electrical components 17 installed on the crane 1 at least one communication interface 18, which is used to set up a wired Signal and / or data transmission path 30 to an electronic computing unit 19 for general uses, in particular for a personal computer 20, are provided is.
  • These electrical components 17 are independent devices, which in many cases come from different manufacturers.
  • the various manufacturers have at least on some components 17 the interfaces 18 are provided, via which the respective Component 17 by means of the computing unit 19 and correspondingly designed software can be addressed and / or influenced and / or queried.
  • this is Communication interface 18 of the components 17 through a standardized serial Interface, for example formed by an interface of the type RS232 or the like. additionally or alternatively, another known from the prior art Communication interface 18, for example a USB (universal serial bus) interface, be trained.
  • USB universal serial bus
  • a parameterization and / or setting is, for example, via this communication interface 18 and / or monitoring and / or query of stored data can be carried out.
  • this communication interface 18 also control or change the function or mode of operation accordingly authorized operator or maintenance personnel.
  • a communication switch 31 which is also used as a data switch or switching device can be designated trained.
  • Each of the to be connected or queried and / or Components 17 to be controlled is via their respectively provided communication interface 18 connected to the communication switch 31.
  • the Communication switch 31 at least two or more communication interfaces 32 trained, which via individual separate or independent line connections 33 with corresponding communication interfaces 18 on the respective components 17 are connectable.
  • These communication interfaces 32 are by several prefers standard interfaces, e.g.
  • the communication interfaces 32 to the various Components 17 can also act as outgoing interfaces of the communication switch 33 are referred to. However, it is very possible with these outgoing communication interfaces 32 not just unidirectional data transmission between the communication switch 31 or the computing unit 19 and the components 17, rather, the communication interfaces 32 are preferably also for a bidirectional Signal or data transmission to the computing unit 19 is suitable.
  • the Communication switch 31 also a wired or wireless interface 34 to set up the communication channel 22 from the crane 1 to the corresponding computing unit 19 at almost any location.
  • This communication channel 22 from the crane side Communication switch 31 to the computing unit 19 distanced therefrom enables a preferred bidirectional transmission of signals and / or data.
  • This serial communication channel 22, which enables a connection between two electronic terminals, is symbolic simplified by a dash-dotted line.
  • the interface 34 of the communication switch 22 does not have to be a pluggable contact interface be trained, but is of course also a wireless signal or Data input in the form of an antenna or an optical interface or a cable connection the communication switch 31 to be understood as an interface 34 to the communication channel 22.
  • the communication channel 22 can be used for wired, wireless or any combination of signal and / or data transmission provided his.
  • the interface 34 is the communication switch 31 via a signal or data line 35, which usually consists of several there are electrical lines, with a transmitting and / or receiving device arranged on the crane 1 36 connected.
  • This transmitting and / or receiving device mounted on the crane side 36 is used for the wireless transmission and / or reception of signals and / or data to or from the respective floor location 25.
  • the communication switch 31 or the corresponding data switch is based on any ground point 25 is controlled, in particular by a corresponding computing unit 19 switchable.
  • the communication switch 31 is for switching or switching of the communication channel 22 to one of the outgoing communication interfaces 32 provided. That by means of the communication switch 31 can Communication channel 22 a selective connection to one of the connected, required Component 17 are built.
  • a control of the communication switch 31 for selection or connection of the desired component 17 or for switching to the respective output-side communication interface 32 is preferred via the same communication channel 22, via which subsequently also one Signal or data transmission between the computing unit 19 and the respective electronic Component 17 can take place.
  • the signal or data line 35 is structurally independent Component no longer exists per se, but still exists within this unit.
  • the communication switch 31 has the task of establishing a single communication channel 22 to divide a plurality of individual signal or data channels or vice versa a plurality of individual signal or data channels within the signal and / or data transmission path 30 to transfer to only one communication channel 22 if possible.
  • Essential is that from the group of signal or data channels within the signal and / or Data transmission path 30 between the communication switch 31 and the respective Components 17 can only be actively used one connection at a time. That the respective Components 17 are based on the computing unit 19 via the communication switch 31 selectively and sequentially addressable or connectable.
  • the communication switch 31 which are also referred to as switch boxes or interface boxes can, is preferably software-controlled via the actual communication channel 22 affected.
  • This communication channel 22 is preferably also used to transmit the data or signals between the selected component 17 and the computing unit 19.
  • the communication switch 31 by means of special, executable on the computing unit 19
  • a parallel transmission of signals or data over several line connections 33 within the signal and / or data transmission path 30 is in itself not possible. In other words, it can only ever be via one line connection 33 or one Communication interface 32 of the communication switch 31 a signal and / or data transmission occur.
  • the communication switch 31 is preferably as central as possible between the respective communication capable Components 17 arranged so that short signal and / or data transmission paths 30 are present. On the one hand, this allows the length of the required line connections 33 on crane 1 are kept low and is also a risk of Interferences or external influences minimized. It can also be otherwise required Signal amplifier between the communication switch 31 and individual electronic Components 17 are unnecessary.
  • the partial section of the communication channel 22 between the crane 1 and is preferred a ground station 25 or control center 26 located near the crane by a wireless signal and / or Data transmission link 37 formed.
  • Corresponding signals are preferred or data within the signal and / or data transmission path 37 by radio or via transmit electromagnetic waves.
  • a remote station for the transmission and / or mounted on the crane Receiving device 36 is accordingly by a corresponding, near the crane set up transmitting and / or receiving device 38 formed.
  • the crane-side transmission and / or Receiving device 36 and the near-ground transmitting and / or receiving device 38 are via a radio link with a maximum range of approximately, for example Can be put into communication connection 300 m to each other.
  • the send and / or Receiving device 36 and 38 preferably according to the so-called DECT or GAP standard. It proves to be favorable if the transmission power of the transmitting and / or receiving devices 36, 38 lies below a transmission power requiring approval.
  • the interfaces of the transmitting and / or receiving device 36, 38 are consequently through antennas 39, 40 are formed, which are used to receive or send corresponding ones electromagnetic waves are suitable.
  • the transmitting and / or receiving device 38 located in the vicinity of the crane can be operated with one in the immediate vicinity Proximity to the crane 1 arranged computing unit 19 can be coupled to the evaluate signals and / or data received wirelessly or starting from the computing unit 19 wirelessly transmit signals and / or data to crane 1.
  • the local, bottom-side transmission and / or reception device is 38 via a global communication link 41 with at least one locally extensively distant computing unit 19 connectable.
  • this global communication link 41 is established via a public telephone network 42.
  • a suitable modem 43, 44 assigned around this communication link 41 between the transmitting and / or receiving device 38 and the computing unit 19 is - as is known per se - both Computing unit 19 as well as the transmitting and / or receiving device 38 a suitable modem 43, 44 assigned.
  • These modems 43, 44 serve inter alia for modulation or demodulation of the signals or data sent or received via the telephone network 42 into one for the Computing unit 19 or the transmitting and / or receiving device 38 processable form.
  • modems 43, 44 also serve to convert the signals or data of the computing unit 19 and the transmitting and / or receiving device 38 into a via the telephone network 42 transferable waveform.
  • a structurally independent modem 43 it is of course also possible, this as a so-called interface card in the computing unit 19 to integrate.
  • the modem 44 of the wireless transmitting and / or receiving device 38 be formed by an independent or integral unit.
  • a device 45 to provide, which for the establishment of a global, wireless communication link 41 is suitable, as can be seen from FIG. 1.
  • the send and / or Receiving device 36 on the crane for sending signals or data and / or Receiving signals or data from a public mobile phone network.
  • the corresponding computing unit 19 comprises a suitable modem 43 for radio data transmission,
  • a GSM or UMTS-capable modem 43 relatively low hardware or cabling effort a remote transmission of signals or data between the crane 1 and the computing unit 19 provided.
  • generally accessible or available telecommunication media are used, whereby the production and operating costs of the device 45 and the system 21 can be kept low.
  • the communication switch 31 and the crane-side transmission and / or Receiving device 36 by a so-called private branch exchange for mobile To form telecommunications.
  • the desired connection is selected using so-called Extensions or codes at the end of a code or number.
  • the communication switch 31 on the first communication interface 34 as it were a conversion device that provides a global communication link 41 via the mobile, allows public telephone network 42.
  • an additional computing unit can be provided at the ground station 25 or control center 26 a modem can be provided, which via a global communication link 41, for example via the so-called Internet, with the largely distant computing unit 19 in Communication link can be set.
  • This local processing unit is also available with the communication switch 31 in connection and serves as an intermediate or transfer point in the communication channel 22 between one of the components 17 on the crane 1 and the widely distant, preferably via the Internet, connected to it, computing unit 19 for the higher-level administration or central control of the system 21.
  • the communication switch 31 via the computing unit 19 corresponds to the Desires an operator or maintenance person remotely software controlled on or convertible, as explained in more detail below.
  • the computing unit comprises 19 software-technical means or programs for controlling the communication switch 31.
  • This software-technical means is at least for switching the communication switch 31 or to activate one of its communication interfaces 32 to the desired one electrical component 17 is provided.
  • this or a independent software technology means on the computing unit 19 also a selection hit several communication switches 31 on a crane 1 or on several cranes 1 and the corresponding connection or remote data transmission to the selected communication switch 31 can be built.
  • a first Method step 46 is the correspondingly designed arithmetic unit 19 provided software technology means in the form of an independent application or an integrable Software module started.
  • the computing unit can 19 at least one software module started by the manufacturer or developer Query and / or influence of the respective component 17 is provided as standard has been.
  • step 48 in particular via the communication channel 22 A connection to the corresponding communication switch via a global communication link 42 31 built on the desired crane 1.
  • This software engineering tool can also contain a database or access an external database in which all cranes 1 with their access parameters, in particular telephone or identification numbers and the like, are stored.
  • This specially designed software on the computing unit 19 then establishes a connection via the modem 43 and the public telephone network 42 to the transmitting and / or receiving device 38 located at the remote station. following this transmitting and / or receiving device 38 is initialized and the connection to the corresponding communication switch 31, provided several communication switches 31 are present on a crane 1 or a local transmitting and / or receiving device 38 for several cranes 1 with communication switches 31 are provided.
  • connection to the desired communication switch 31 is produced on the desired crane 1, the respective outlet-side channel this communication switch 31 or the respectively required electrical component 17, via which the signal or data connection is to be established.
  • a corresponding control protocol then becomes the communication switch 31 activated and its first or input interface 34 on the selected channel or switched through to the respective communication interface 32. It goes without saying it is also possible to select the communication switch 31 and the communication interface 32 in direct successive steps.
  • hiring or Selection of the communication interface 32 is the communication channel 22 for one Signal or data transmission between the selected electronic component 17 and the computing unit 19 open.
  • the system states are then for everyone at the Computing unit 19 software started as if the respective component 17 directly with the computing unit 19 would be connected or plugged into it. In fact, however entire signal or data transmission via the communication switch 31, the wireless Signal and / or data transmission path 37 and the public telephone network 42 accomplished.
  • a subsequent method step 49 in particular, operation and / or Observation and / or query of data of the respective component 17 of a crane 1 enabled by means of the software provided for this purpose as standard or by the manufacturer.
  • this procedure can be carried out at a decision point 50 either end or another crane 1 and / or another electrical component 17 for establishing a communication or Data connection can be selected.
  • the computing unit 19 is via the specially designed software technology each of the corresponding communicable component 17 via the communication switch 31 in chronological succession with the computing unit 19 in communication connection relocatable and via the associated standard software of the manufacturer of the respective Component 17 can be controlled without adaptations in this standard query or control software for the components 17 would be required.
  • the transmitting and / or receiving device 36 is a standard available module, in particular formed by a so-called radio modem and with the communication switch 31 designed, for example, as a relay card 51 line-connected.
  • the communication switch 31 designed, for example, as a relay card 51 line-connected.
  • the components 17 can be unidirectional or bidirectional Signal or data communication can be provided, as indicated by the arrows or Double arrows for the individual line connections 33 was illustrated.
  • the communication interfaces 32 of the communication switch 31 are preferably by contact Interfaces or contact interfaces 53 are formed.
  • the type of these contact interfaces 53 is primarily on the components that are usually present in components 17 Adapted type of data interface. As a rule, the contact interfaces 53 are through serial interfaces or USB interfaces. Instead of individual contact interfaces 53, it is of course also possible to use the communication switch 31 clamp connections to be provided.
  • the communication switch 31 or relay card 51 comprises a plurality of remote controls switchable, electrical switch contacts 54.
  • the communication switch 31 be designed as an electromagnetically adjustable multiple selector switch.
  • the Adjustment of one or more switching tongues 55 takes place, starting from the transmission and / or Receiving device 36 or a downstream evaluation device depending the control commands issued by the computing unit 19 - FIG. 2.
  • a corresponding Control connection 56 between the transmitting and / or receiving device 36 and the communication switch 31 was illustrated by a dashed line.
  • control commands for switching or setting the communication switch 31, in particular switch tongue 55 are preferably via the same communication channel 22 transmitted, via which the signals and data to and from the components 17 are transmitted.
  • these control commands can also be used, for example starting from a mobile phone via SMS (short message service) to the communication switch 31 are transmitted.
  • the individual outgoing communication interfaces 32 are preferably galvanic separated from each other and at least the signal or data lines of the individual Components 17 not in electrical connection.
  • the communication switch 31 through an electronic multiplexer. or to form a demultiplexer device. It is essential that the communication switch 31 a selective "1-to-1 connection" between the computing unit 19 for remote maintenance and / or remote monitoring and / or remote control of the electronic crane side Components 17 allows only one serial communication channel 22.
  • FIGS. 1; 2; 3; 4 shown designs or measures form the subject of independent solutions according to the invention.
  • the related, Tasks and solutions according to the invention are the detailed descriptions of these Figures can be seen.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
EP02017059A 2001-07-30 2002-07-29 Système et dispositif pour entretien à distance d'une grue Withdrawn EP1281656A1 (fr)

Applications Claiming Priority (2)

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AT11872001 2001-07-30
AT11872001 2001-07-30

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007504A1 (de) * 2004-02-13 2005-09-15 Demag Cranes & Components Gmbh Hebezeug, insbesondere Kettenzug oder Seilzug
DE102007014114A1 (de) * 2007-03-23 2008-09-25 Liebherr-Werk Ehingen Gmbh Fahrzeugkran
EP2168903A1 (fr) * 2008-09-30 2010-03-31 GRU Benedini di Benedini Giulio e Famiglia S.N.C. Dispositif multifonction pour la maintenance à distance et télécommande, en particulier pour des grues
EP1926070A3 (fr) * 2006-11-21 2013-01-02 Liebherr-Werk Ehingen GmbH Machine de construction, en particulier grue
ITMI20111648A1 (it) * 2011-09-14 2013-03-15 Fassi Gru S P A Sistema elettronico per la manutenzione remota di una gru
CN103559601A (zh) * 2013-10-16 2014-02-05 天津港焦炭码头有限公司 散货装卸设备生产数据无线回传系统
WO2019211393A1 (fr) 2018-05-04 2019-11-07 Liebherr-Werk Biberach Gmbh Procédé et dispositif de maintenance et/ou de réparation d'un engin de construction
CN113682962A (zh) * 2021-08-24 2021-11-23 上海振华重工(集团)股份有限公司 一种岸桥自动化控制系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647236A1 (fr) * 1989-05-16 1990-11-23 Huan Armand Installation de gestion et surveillance d'un ou plusieurs sites de production
WO1991004938A1 (fr) * 1989-10-04 1991-04-18 Pietzsch Automatisierungstechnik Gmbh Procede et systeme pour surveiller une installation, telle qu'une grue automobile, un gros excavateur ou similaire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647236A1 (fr) * 1989-05-16 1990-11-23 Huan Armand Installation de gestion et surveillance d'un ou plusieurs sites de production
WO1991004938A1 (fr) * 1989-10-04 1991-04-18 Pietzsch Automatisierungstechnik Gmbh Procede et systeme pour surveiller une installation, telle qu'une grue automobile, un gros excavateur ou similaire

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007504B4 (de) * 2004-02-13 2009-11-05 Demag Cranes & Components Gmbh Hebezeug, insbesondere Kettenzug oder Seilzug
DE102004007504A1 (de) * 2004-02-13 2005-09-15 Demag Cranes & Components Gmbh Hebezeug, insbesondere Kettenzug oder Seilzug
EP1926070A3 (fr) * 2006-11-21 2013-01-02 Liebherr-Werk Ehingen GmbH Machine de construction, en particulier grue
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