Abstract: A method (1000) for controlling a construction robot (12), in which an at least partially transparent detection area (28) is coupled to a power tool (22) and/or to an implement (24), wherein a light spot (LP1, LP2, LP3) is projected onto a front side of the detection area (28), and wherein the power tool (22) and/or the implement (24) is or are controlled depending on the position of the light spot (LP1, LP2, LP3) within the detection area (28). A construction robot system (10) and a construction robot (12) are also provided. The present disclosure allows simple and cost-effective construction work on ceilings (D).

Abstract: A method (1000) for controlling a construction robot (10), wherein the construction robot (10) is controlled to move to at least one work position (20) on a building element (12) with a tool (18) disposed on a manipulator of the construction robot (10), wherein the work position (20) is marked by at least one line light beam (52). The invention is characterized in that the construction robot (10) moves the manipulator and/or the tool (18) in dependence on a position of a point of impact (AP1, AP2, AP3) of the line light beam (52) on the construction robot (10).

Abstract: A method for applying a position marking for a working position to a substrate, for example a wall, a ceiling, a floor or the like, at a marking position assigned to it, comprising: a. unsystematically or systematically moving a portable marking system over a marking area of the substrate; b. determining at least one position of the marking system; c. marking at the determined position of the marking system, provided that the determined position coincides with the marking position or at least coincides with the marking position to a predefined or predefinable degree of accuracy. The invention also relates to a marking system.

Abstract: The invention relates to a construction robot (10) for performing work on a building element (12), comprising a mobile platform (14), a lifting device (16), which is arranged on the mobile platform (14), and a power tool (17), which is arranged on the lifting device (16) and in which a tool (18) can be received. It is characterized in that the construction robot (10) is configured to align the tool (18) obliquely to a surface normal (N) of a building element (12) on which work is to be performed, at an angle of incidence (alpha). Furthermore, the invention relates to a method (1000). The invention enables construction tasks to be carried out in a particularly flexible way.

Abstract: A method for repeatedly measuring the position of a construction device on a construction site, wherein a position is measured relative to at least two, the method comprising: a. directly measuring the distances from a position measurement system arranged and/or formed on the construction device to at least two of the markings located in a field of view of the position measurement system and measuring the apparent viewing angles of the at least two of the markings from the position measurement system to carry out a first measurement of the position of the construction device and b. taking a bearing of at least two of the markings from the position measurement system to carry out a second measurement of the position of the construction device.

Abstract: A method for applying a position marking for a working position to a substrate, for example a wall, a ceiling, a floor or the like, at a marking position assigned to it, comprising: a. unsystematically or systematically moving a portable marking system over a marking area of the substrate; b. determining at least one position of the marking system; c. marking at the determined position of the marking system, provided that the determined position coincides with the marking position or at least coincides with the marking position to a predefined or predefinable degree of accuracy. The invention also relates to a marking system.

Abstract: A tool guide has a mounting, a lifting mechanism, and a chassis. The mounting is for fixing a hand-held machine tool. The mounting is mounted on the lifting mechanism. The lifting mechanism has a propulsion unit for vertically lifting the mounting. The chassis has two wheels on a wheel axle, a drive coupled with the wheels, and a steering system. The lifting mechanism is rigidly mounted on the chassis. A center of gravity sensor is arranged to detect a lateral deflection of the center of gravity of the lifting mechanism relative to the wheel axle. The steering system is configured to control the drive to deliver a torque counteracting the lateral deflection.

Abstract: A method of monitoring a building element includes using an image capturing device and a computing device, in attributing a visual feature to each one of a first and a second region of the element; taking a first plurality of images of the visual features by the capturing device at a first point of time; taking a second plurality of images of the visual features by the capturing device at a second point of time; causing the computing device to process the images of the first and the second plurality of images to derive at least one of distances between the two visual features and relative orientations of the two visual features within the first and the second plurality of images; and causing the computing device to deduce a state of the element from at least one of the difference between the distances and the difference between the relative orientations.

Abstract: A self-aligning tool guide has a holder for securing a portable power tool for working on a ceiling, a lifting mechanism, and a self-balancing chassis. The holder is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for raising the holder parallel to a lifting axis. The self-balancing chassis has two wheels on a wheel axis and a drive coupled to the two wheels. A sensor serves for detecting a contact pressure of the holder, the contact pressure acting in the direction of gravitational force. The control station activates the propulsion system depending on the detected contact pressure.

Abstract: A self-aligning tool guide includes a mounting for fixing a hand-held machine tool, a lifting mechanism where the mounting is mounted on the lifting mechanism, and a self-balancing chassis that has two wheels on a wheel axle, a drive coupled with the two wheels, and a steering system. A lateral deflection of a center of gravity of the lifting mechanism relative to the wheel axle is detectable by a center of gravity sensor and the steering system is configured to control the drive to output a torque counteracting the lateral deflection. A self-balancing member is mounted on an upper portion of the self-aligning tool guide and the self-balancing member delivers an additional torque for balancing the self-aligning tool guide.

Abstract: A self-aligning tool guide has a holder for securing a portable power tool for working on a ceiling, a lifting mechanism, and a self-balancing chassis. The holder is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for raising the holder parallel to a lifting axis. The self-balancing chassis has two wheels on a wheel axis, a drive coupled to the two wheels, and a steering system. A contact sensor serves for detecting an indirect contact of the holder with the ceiling. The chassis has a brake. A controller has a mode in which the brake is activated and the balancing of the self-balancing chassis is deactivated.

Abstract: A tool guide has a holder, a lifting mechanism and a chassis. The holder is for fixing a portable power tool, and is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for vertically raising the holder. The chassis has two wheels on a wheel axis, a drive which is coupled to the wheels, and a steering system. The lifting mechanism is rigidly mounted on the chassis. A center of gravity sensor is designed for detecting a lateral deflection x of the center of gravity G of the lifting mechanism in relation to the wheel axis. The steering system is designed to actuate the drive to output a torque which counteracts the deflection x. The lifting mechanism can be pivoted by means of a pivot drive. An inclination controller is designed to actuate the pivot drive in such a way that the inclination is minimized.

Abstract: A self-aligning tool guide has a holder for securing a portable power tool for working on a ceiling, a lifting mechanism, and a self-balancing chassis. The holder is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for raising the holder parallel to a lifting axis. The self-balancing chassis has two wheels on a wheel axis, a drive coupled to the two wheels, and a steering system. A contact sensor serves for detecting an indirect contact of the holder with the ceiling. The chassis has a brake. A controller has a mode in which the brake is activated and the balancing of the self-balancing chassis is deactivated.

Abstract: A tool guide has a mounting, a lifting mechanism, and a chassis. The mounting is for fixing a hand-held machine tool. The mounting is mounted on the lifting mechanism. The lifting mechanism has a propulsion unit for vertically lifting the mounting. The chassis has two wheels on a wheel axle, a drive coupled with the wheels, and a steering system. The lifting mechanism is rigidly mounted on the chassis. A center of gravity sensor is arranged to detect a lateral deflection of the center of gravity of the lifting mechanism relative to the wheel axle. The steering system is configured to control the drive to deliver a torque counteracting the lateral deflection.

Abstract: A self-aligning tool guide has a holder for securing a portable power tool for working on a ceiling, a lifting mechanism, and a self-balancing chassis. The holder is mounted on the lifting mechanism. The lifting mechanism has a propulsion system for raising the holder parallel to a lifting axis. The self-balancing chassis has two wheels on a wheel axis and a drive coupled to the two wheels. A sensor serves for detecting a contact pressure of the holder, the contact pressure acting in the direction of gravitational force. The control station activates the propulsion system depending on the detected contact pressure.

Abstract: A tracking method is disclosed. The method determines the position of a mobile measuring station relative to a base station in an interior. The position of the mobile measuring station is ascertained on the basis of the image coordinates of at least three image points, the emission directions associated with the image points, and the respective distances of the base station from the wall in the associated emission directions.

Abstract: A setting tool for driving securing elements into a supporting surface, comprising a housing, a work machine arranged therein which generates a setting or percussive impulse, and a detection device for detecting the setting or percussive impulse. The detection device has an electronic processing unit, a sensor which generates an electric signal in the event of a setting or percussive impulse, a signal transmission device which transmits the electric signal from the sensor to the electronic processing unit, a battery which supplies electric energy to the electronic processing unit, and a printed circuit board at which the electronic processing unit, the sensor, and the battery are arranged. The invention is characterized in that the printed circuit board is provided with a potting compound which covers the electronic processing unit, the sensor, and the battery.

Abstract: A tracking method is disclosed. The method determines the position of a location marked on a wall on the basis of image coordinates of a first image point, image coordinates of a second image point, the emission direction associated with the second image point, and the respective distances of the axis of a base station from the wall in the associated emission direction.

Abstract: A tracking method is disclosed. The method determines the position of a location marked on a wall on the basis of image coordinates of a first image point, image coordinates of a second image point, the emission direction associated with the second image point, and the respective distances of the axis of a base station from the wall in the associated emission direction.

Abstract: A tracking method is disclosed. The method determines the position of a mobile measuring station relative to a base station in an interior. The position of the mobile measuring station is ascertained on the basis of the image coordinates of at least three image points, the emission directions associated with the image points, and the respective distances of the base station from the wall in the associated emission directions.