Abstract: The invention relates to a method for operating a plurality of construction machines, in particular in the form of cranes, the movements of which are monitored for imminent collisions by an anti-collision device, wherein ultra-wideband transmitting/receiving devices mounted on the plurality of construction machines exchange ultra-wideband signals, wherein the propagation times of the ultra-wideband signals between the construction machines are determined and imminent collisions are determined from the propagation times of the ultra-wideband signals.

Abstract: The present invention relates to a device for documenting a construction site with at least one crane, with a sensor system for detecting construction site information which has at least one imaging sensor unit mounted on the crane for detecting images of the construction site, a crane state determination device for determining crane states, and an electronic computing unit for processing the detected construction site images and the determined crane states, the computing unit having a tuple device for determining context-sensitive tuples from the detected construction site images and the determined crane states.

Abstract: The invention relates to a screw connection, which comprises a screw body with an external thread, a mating piece with an internal thread which is matched to the external thread and into which the screw body is screwed, a spacer sleeve for clamping between a screw head of the screw body and the mating piece, and a sensor system which is configured to determine a stress state acting in the screw body. The sensor system comprises a transmitter, which is arranged in the spacer sleeve, and a receiver, which is arranged in the spacer sleeve, wherein the transmitter is configured to convert electrical energy into mechanical surface waves, the receiver is configured to convert mechanical surface waves into electrical energy, and the sensor system is further configured to draw conclusions about the stress state acting in the screw body and/or the spacer sleeve.

Abstract: The invention relates to a method and a construction and/or a materials-handling machine for guiding and moving a working head, in particular a 3D print head, wherein at least three revolving tower cranes are attached to each other with their booms, wherein according to one aspect of the invention a guide beam carrying the working head is attached to at least two trolleys of two revolving tower cranes, and the working head is adjusted and moved in its working position by moving the trolleys along two booms of two revolving tower cranes.

Abstract: The invention relates to a cable robot for creating a structure or manipulating a workpiece, comprising a working head which is suspended on a support structure having at least three support columns by a system of cables having at least three control cables, wherein cable winches are provided for adjusting the control cables relative to the support structure and/or relative to the working head, and they can be actuated by an electronic control device for moving the working head, wherein the support columns of the support structure are luffingly and/or telescopically arranged on a revolving stage, which has a ballast weight for absorbing a tilting moment introduced into the respective support column by the system of cables and which is arranged on an undercarriage such that it can rotate about an upright revolving stage axis, said undercarriage having a chassis and being configured such that it can move with the revolving stage and the downwardly luffing and/or retracted support column.

Abstract: The present invention relates to a method and a device for lifting a load, wherein at least one aerial drone carries at least a portion of the load. In order to lift a load, it is proposed to yoke together a plurality of aerial drones or at least one aerial drone and a lifting hook of a crane, and provide a common control system for the plurality of aerial drones or the at least one aerial drone and the lifting hook of the crane, in order not to have to control a plurality of aerial drones at the same time, or also an aerial drone in addition to the crane hook, using separate control means, in a “multi-handed” manner.

Abstract: The invention relates to a device for controlling and/or configuring construction machines, whose electronic control device can be reconfigured and/or extended by installing a program packet, comprising a central server for providing and/or downloading different program packets, wherein the central server has access to an internal machine data database in which different machine data sets are stored, wherein the central server is designed as an open server platform with different interfaces to different external host servers, wherein a communications module activates an interface to an external machine data database and/or to an external host server according to a construction machine and/or program packet request and according to the machine data sets in the internal machine data database, and wherein the external machine data database that is separate from the central server is designed to provide a program packet of an external host server according to an authorization of the external host server.

Abstract: The invention relates to a device for maintaining and/or repairing a construction machine, with a mobile maintenance station that can be placed at the jobsite where the construction machine is being used, comprising a 3D printer for printing replacement parts for the construction machine on the basis of component data and/or a mobile display device for displaying repair information on the construction machine on the basis of component data, wherein a data supply station that is at a separate location from the maintenance station is provided, can be connected to the maintenance station by way of a communication link and is configured for providing the maintenance station with 3D printing data for printing the replacement part, and the maintenance station is configured for printing the replacement part layer by layer on the basis of the 3D printing data received from the data supply station.

Abstract: A system for controlling and/or monitoring and/or visualizing construction sites, including a detection device for detecting the position of a construction unit at the construction site, wherein the detection device includes a signal transmitter to be mounted on the construction unit for providing an identification signal identifying the construction unit, and a signal evaluation device for receiving and evaluating the identification signal in order to determine the position of the construction unit at the construction site. The signal evaluation device includes at least one loop antenna that is laid at the construction site for receiving the identification signal of the signal transmitter and for determining the position of the signal transmitter.

Abstract: A method and a device for planning and/or controlling and/or simulating the operation of a construction machine, in particular in the form of a crane, using a structure data model which contains digital information on a structure to be erected and/or to be worked on. A construction machine which can be linked to such a structure data model and/or can be controlled using such a structure data model. A construction machine data model which contains digital information on different construction machine models is linked to the structure data model or the BIM, characteristics of the available construction machines are already taken into consideration during the planning process, a simulator for training construction machine tasks is configured using the structure data model, and the controller of the construction machine is adapted to the structure data model with respect to specific control functions.

Abstract: An example device for building stationary structures on a work surface includes a scaffold, which is arranged around the work surface. In the example, a working head is provided, which, with the help of multiple control cables is held on the scaffold and arranged above the work surface, upper control cables are provided, which run above the working head from the scaffold, lower control cables are provided, which run below the working head from the scaffold, all control cables can be extended out of the scaffold and retracted to the scaffold, in order to change a position of the working head, and a control unit is provided, which is connected with actuators for the extending and retracting of the control cables, and is configured to actuate these actuators to change the position of the working head.

Abstract: A method and an apparatus provides a workpiece representation at a production station. A database is used to store a data record for providing an original model of the workpiece. A display unit at the production station displays the workpiece representation using stored model data. A first data record represents an original model of the workpiece, and stored in a database, a second data record, which is simplified in comparison with said first data record and for representing a simplified model of the workpiece, is generated and is stored A code is provided at the production station, and the terminal can use the code to retrieve the second data record and can use said second data record to display the simplified workpiece model. For outsiders, the transmitted code is unusable without a suitably configured terminal and/or without a suitable user identifier. The terminal can be, for example, a mobile screen device or smartglasses.

Abstract: The invention relates to a method and a construction and/or a materials-handling machine for guiding and moving a working head, in particular a 3D print head, wherein at least three revolving tower cranes are attached to each other with their booms, wherein according to one aspect of the invention a guide beam carrying the working head is attached to at least two trolleys of two revolving tower cranes, and the working head is adjusted and moved in its working position by moving the trolleys along two booms of two revolving tower cranes.

Abstract: The invention relates to a device for controlling and/or configuring construction machines, whose electronic control device can be reconfigured and/or extended by installing a program packet, comprising a central server for providing and/or downloading different program packets, wherein the central server has access to an internal machine data database in which different machine data sets are stored, wherein the central server is designed as an open server platform with different interfaces to different external host servers, wherein a communications module activates an interface to an external machine data database and/or to an external host server according to a construction machine and/or program packet request and according to the machine data sets in the internal machine data database, and wherein the external machine data database that is separate from the central server is designed to provide a program packet of an external host server according to an authorization of the external host server.

Abstract: The invention relates to a cable robot for creating a structure or manipulating a workpiece, comprising a working head which is suspended on a support structure having at least three support columns by a system of cables having at least three control cables, wherein cable winches are provided for adjusting the control cables relative to the support structure and/or relative to the working head, and they can be actuated by an electronic control device for moving the working head, wherein the support columns of the support structure are luffingly and/or telescopically arranged on a revolving stage, which has a ballast weight for absorbing a tilting moment introduced into the respective support column by the system of cables and which is arranged on an undercarriage such that it can rotate about an upright revolving stage axis, said undercarriage having a chassis and being configured such that it can move with the revolving stage and the downwardly luffing and/or retracted support column.

Abstract: A method and a device for planning and/or controlling and/or simulating the operation of a construction machine, in particular in the form of a crane, using a structure data model which contains digital information on a structure to be erected and/or to be worked on. A construction machine which can be linked to such a structure data model and/or can be controlled using such a structure data model. A construction machine data model which contains digital information on different construction machine models is linked to the structure data model or the BIM, characteristics of the available construction machines are already taken into consideration during the planning process, a simulator for training construction machine tasks is configured using the structure data model, and the controller of the construction machine is adapted to the structure data model with respect to specific control functions.

Abstract: The invention relates to a device for maintaining and/or repairing a construction machine, with a mobile maintenance station that can be placed at the jobsite where the construction machine is being used, comprising a 3D printer for printing replacement parts for the construction machine on the basis of component data and/or a mobile display device for displaying repair information on the construction machine on the basis of component data, wherein a data supply station that is at a separate location from the maintenance station is provided, can be connected to the maintenance station by way of a communication link and is configured for providing the maintenance station with 3D printing data for printing the replacement part, and the maintenance station is configured for printing the replacement part layer by layer on the basis of the 3D printing data received from the data supply station.

Abstract: A method and a device for planning and/or controlling and/or simulating the operation of a construction machine, in particular in the form of a crane, using a structure data model which contains digital information on a structure to be erected and/or to be worked on. A construction machine which can be linked to such a structure data model and/or can be controlled using such a structure data model. A construction machine data model which contains digital information on different construction machine models is linked to the structure data model or the BIM, characteristics of the available construction machines are already taken into consideration during the planning process, a simulator for training construction machine tasks is configured using the structure data model, and the controller of the construction machine is adapted to the structure data model with respect to specific control functions.

Abstract: A method and an apparatus provides a workpiece representation at a production station. A database is used to store a data record for providing an original model of the workpiece. A display unit at the production station displays the workpiece representation using stored model data. A first data record represents an original model of the workpiece, and stored in a database, a second data record, which is simplified in comparison with said first data record and for representing a simplified model of the workpiece, is generated and is stored A code is provided at the production station, and the terminal can use the code to retrieve the second data record and can use said second data record to display the simplified workpiece model. For outsiders, the transmitted code is unusable without a suitably configured terminal and/or without a suitable user identifier. The terminal can be, for example, a mobile screen device or smartglasses.

Abstract: A system for controlling and/or monitoring and/or visualizing construction sites, including a detection device for detecting the position of a construction unit at the construction site, wherein the detection device includes a signal transmitter to be mounted on the construction unit for providing an identification signal identifying the construction unit, and a signal evaluation device for receiving and evaluating the identification signal in order to determine the position of the construction unit at the construction site. The signal evaluation device includes at least one loop antenna that is laid at the construction site for receiving the identification signal of the signal transmitter and for determining the position of the signal transmitter.