Flight simulator with maintenance hatch for servicing a cockpit replica or a simulation cockpit

Abstract

Flight simulator (100), featuring a support structure (101), a cockpit replica (102) which replicates the cockpit of a real aircraft and has a viewing window (103) through which a field of view outside the cockpit replica (102) is provided, wherein the cockpit replica (102) is attached to the support structure (101), a visualization unit (104) for visualizing a simulated environment in the field of view around the cockpit replica (102), wherein the visualization unit (104) at least partially surrounds the cockpit replica (102) with the viewing window (103), a handling mechanism (105) for handling the visualization unit (104) relative to the support structure (101), wherein the visualization unit (104) is detachably attached to the support structure (101) in such a way that the visualization unit (104) can be moved by means of the handling mechanism (105) in such a way that a maintenance opening can be provided between the visualization unit (104) and the support structure (101), through which the cockpit replica (102) can be accessed from the outside.

Description

Technical area

[0001] The present invention relates to a flight simulator with a handling mechanism for handling a visualization unit, as well as a device for maintaining a flight simulator. Furthermore, the invention describes a flight simulator system and a method for maintaining the flight simulator. Background of the invention

[0002] Flight simulators are used for pilot training purposes. These flight simulators feature an exact replica, a so-called cockpit replica, of an aircraft-specific cockpit, in which all functional elements of a specific aircraft type on which the pilot is to be trained are installed. The cockpit replica features corresponding viewing windows through which the pilot can view the surroundings. A visualization unit, a so-called "visual dome" or visual system, is installed around the viewing windows, simulating the cockpit environment, allowing the pilot to perceive a simulated environment through the viewing window.

[0003] To simulate corresponding flight movements, the cockpit replica and the corresponding visualization unit are mounted at a distance from the ground and are movable. Each cockpit replica is modeled for a corresponding aircraft type. Accordingly, the flight simulator must be equipped with a corresponding cockpit replica to simulate the desired aircraft type.

[0004] Replacing and maintaining such a cockpit replica is extremely complex and results in a long downtime for the flight simulator. For example, a permanently installed platform is currently being planned, allowing the cockpit replica from the flight simulator to be replaced remotely from the ground.

[0005] Since the visualization unit at least partially surrounds the cockpit replica in order to surround the viewing windows and to be able to show the pilot a realistic image of the surroundings, access for maintenance of the cockpit replica as well as access for replacement of the same is often only possible from a rear side, since the other sides of the cockpit replica are covered by the visualization unit and are therefore inaccessible, making maintenance and replacement of the cockpit replica complex.

[0006] DE 10 2010 005 351 A1 discloses a simulator system with a base plate in the form of a simulator capsule and an interchangeable training environment. The training environment is vertically interchangeable. A base frame is arranged in the simulator capsule, which supports the interchangeable training environment and a usable section that provides space for electronics. Above the training environment, the simulator capsule has an opening that can be closed with a removable closure. An optional installation area for projectors is provided on the ceiling of the simulator capsule. A motion system is arranged below the simulator capsule to provide movements for a simulation sequence.

[0007] US 2021 0 192 969 A1 discloses a flight simulator with a robot system to which a cockpit is movably coupled. A visualization unit is arranged around the cockpit. The robot system is movable longitudinally along a rail. The robot system can support a variety of different cockpits.

[0008] JP 2021 128 196 A discloses a flight simulator, particularly for helicopters. A flight simulation device is provided with a pilot seat or cockpit. The cockpit can be arranged in a dome. The flight simulation device has a movement platform below the dome for moving the pilot seat and performing a simulation. Furthermore, the flight simulation device can be mounted on a movable support for detachment from a rear cabin, allowing interchange with other cockpits.

[0009] WO 2012 / 083409 A1 discloses a flight simulator with an exchangeable cockpit module comprising a base frame. The base frame is movable via actuators. A visualization system includes corresponding projectors and deflecting mirrors to project a simulation environment on a screen. Furthermore, the possibility of exchanging a cockpit module is disclosed, in which a lifting device retracts the cockpit module from below into a simulation environment. Description of the invention

[0010] It is an object of the present invention to provide a flight simulator and a corresponding maintenance facility so that easy access for maintenance and replacement of the cockpit replica or the simulation cockpit is enabled.

[0011] This object is achieved with a flight simulator, a maintenance device, a flight simulator system and a method for maintaining a flight simulator according to the subject matter of the independent claims.

[0012] According to a first aspect of the present invention, a flight simulator is described. The flight simulator has a support structure. Furthermore, the flight simulator has a cockpit replica that simulates the cockpit of a real aircraft and has a viewing window through which a field of view outside the cockpit replica is created. The cockpit replica is mounted on the support structure. The flight simulator further has a visualization unit for visualizing a simulated environment in the field of view around the cockpit replica, wherein the visualization unit at least partially surrounds the cockpit replica with the viewing window.

[0013] Furthermore, the flight simulator has a handling mechanism for handling the visualization unit relative to the support structure, wherein the visualization unit is detachably fastened to the support structure in such a way that the handling mechanism allows the visualization unit to be moved in such a way that a maintenance opening can be provided between the visualization unit and the support structure, through which the cockpit replica can be reached from the outside.

[0014] According to a further aspect, a method for maintaining the flight simulator described above is presented. The method involves moving the visualization unit by means of the handling mechanism such that a maintenance opening is provided between the visualization unit and the support structure, through which the cockpit replica can be accessed from the outside.

[0015] The support structure of the flight simulator consists, for example, of a framework, for example of steel rods or sheet metal parts, to which components of the flight simulator, in particular the cockpit replica, the visualization unit, and the handling mechanism, are attached. The support structure can also be designed as a support platform with a flat support and mounting surface. Furthermore, the support structure can have a corresponding flat support and further support elements that extend from the flat support and, for example, at least partially surround the visualization unit and / or the cockpit replica laterally in order to form a corresponding edge attachment or holder. The support structure can also be referred to as the "mothership," on which all relevant components are installed. The support structure can be arranged at a distance from the ground by means of a support mechanism.In particular, as described below, a movement mechanism can be configured between the support structure and the ground to simulate accelerations caused by flight movements and ground movements. The support structure can also rest directly on the ground without simulating flight movements. In the so-called "fixed base simulator" configuration, the handling mechanism can also partially detach or decouple the visualization unit so that the maintenance opening can be formed.

[0016] The cockpit replica or simulation cockpit simulates or is a detailed replica of a specific aircraft type-specific cockpit, in which corresponding functional elements of a particular aircraft type on which the pilot is to be trained are installed. The cockpit replica can be detachably attached to the support structure and can be exchanged from the support structure. This allows adaptation to a different aircraft type by installing a corresponding cockpit replica that simulates a specific aircraft type. The cockpit replica has a corresponding cockpit nose that specifies a corresponding (simulation) flight direction. The cockpit replica has corresponding viewing windows through which the pilot can view the surroundings.

[0017] The cockpit replica can further comprise a mounting platform or base platform, which is typically located at the bottom of the cockpit housing of the cockpit replica. The base platform houses, in particular, functionally relevant components for the simulation. The cockpit replica is thus also referred to as a "swap unit," which can be replaced in its entirety according to one embodiment of the invention. All cockpit-internal mechanical and electrical connections to the base plate are not interrupted during the replacement process. This ensures that sensitive systems such as a control loading system do not need to be recalibrated or even reassembled after a replacement process.

[0018] The visualization unit, a so-called "visual dome" or "visual system", is installed around the viewing windows and simulates the cockpit environment so that the pilot can perceive a simulated environment through the viewing window. The visualization unit has, in particular, corresponding screens or a projection screen that simulates a corresponding environment of the cockpit replica. Furthermore, the visualization unit can have one or more projectors that project corresponding images directly or via a mirror system onto a projection surface that surrounds, in particular, the viewing windows of the cockpit replica. The visualization unit is reinforced, for example, by a supporting framework, which can, for example, be partially formed by the stiffening frame described below, and a thinner housing wall or skin that at least partially surrounds the cockpit replica, in particular to intercept stray light.Accordingly, the visualization unit can be designed as a spherical segment or tubular in order to enclose the cockpit replica or its viewing window, but can leave a rear part of the cockpit free.

[0019] With the approach of the present invention, the visualization unit is at least partially detachably fastened to the support structure, for example with screw and / or plug connections, wherein the visualization unit can be moved relative to the support structure by means of a handling mechanism that is part of the flight simulator and is fastened, for example, to the support structure, in order to at least partially release or decouple the visualization unit from the support structure. In particular, the visualization unit can be moved in such a way that a maintenance opening (i.e. a service and / or replacement opening through which the cockpit replica can be reached for maintenance and / or replacement) is formed between the visualization unit and the support structure. The cockpit replica can thus be reached through the maintenance opening.This opens up the possibility of performing maintenance work on the cockpit replica by allowing a maintenance person to enter through the maintenance opening. Furthermore, the cockpit replica can be replaced through this maintenance opening, for example, using the maintenance equipment described below. The term "maintenance" thus refers to both the performance of maintenance work and the interchangeability of the cockpit replica.

[0020] Opposite the nose of the cockpit, opposite the direction of flight, additional functional units are often attached, which must be removed when the cockpit replica is replaced. The visualization unit is arranged to the side and in front of the cockpit replica in the direction of flight. With the present invention, the visualization unit can thus be removed from the support structure in such a way that the cockpit replica can be removed from the front, from above and / or from the side in the direction of flight and from the support structure. In other words, at least one side of the cockpit replica, which is covered or enclosed by the visualization unit, is exposed by moving the visualization unit, and the corresponding maintenance opening is formed there. The entire visualization unit or at least a section of the visualization unit can be moved in order to form the maintenance opening accordingly.

[0021] It is therefore no longer necessary to create a rear clearance to access the cockpit replica, i.e., for maintenance or replacement. Accordingly, according to the invention, the maintenance opening is created above, to the side, or in front of the cockpit replica, thus enabling a front-loading system, a top-loading system, or a side-loading system for the cockpit replica.

[0022] As described in more detail below, the visualization unit can be moved through a translational, rotational, or compound movement to create a maintenance opening, service opening, or unloading opening. For this purpose, the moving parts can be guided and held in position by mechanical guides along a predetermined path or by suitable kinematic mechanisms.

[0023] According to an exemplary embodiment, the handling mechanism is configured to move the visualization unit along a translational movement direction relative to the support structure to form the maintenance opening.

[0024] According to an exemplary embodiment, the handling mechanism is configured to lift the visualization unit from the support structure, in particular along a vertical direction. For example, a corresponding device, such as the lifting rods described below, can be used.

[0025] According to an exemplary embodiment, the handling mechanism comprises at least one extendable lifting rod, which is arranged between the visualization unit and the support structure for lifting the visualization unit from the support structure. The lifting rod can be designed, for example, as an articulated rod and can be folded and unfolded accordingly. Furthermore, the lifting rod can be retractable and extendable, for example, telescopically.

[0026] According to an exemplary embodiment, the lifting rod can be extended and retracted by means of a drive unit, in particular by means of an electric, pneumatic or hydraulic drive unit. For example, an electric linear motor can be used in particular to precisely and evenly detach the visualization unit from the support structure.

[0027] According to an exemplary embodiment, the lifting rod has a lifting spindle, which, together with the electric drive unit, forms a spindle drive for lifting the visualization unit from the support structure. This allows, in particular, a smooth movement of the visualization unit to be enabled without distortion, without causing decalibration of the imaging devices in the visualization unit.

[0028] According to an exemplary embodiment, the handling mechanism comprises at least one further or a plurality of extendable lifting rods arranged between the visualization unit and the support structure in order to lift the visualization unit therefrom. The lifting rod and the further lifting rod are arranged at a distance from one another, wherein the lifting rod and the further lifting rod can be controlled synchronously in order to lift the visualization unit evenly.

[0029] For example, a common drive unit can be coupled to the lifting rods to enable smooth movement of the visualization unit. The drive unit can be coupled, for example, via belts or to a common lifting spindle to enable a uniform and low-vibration movement sequence. Furthermore, a mechanical gear can be used, for example, to evenly transmit a smooth movement initiated by a common drive unit to the lifting rods.

[0030] In another exemplary embodiment, each lifting rod can be operated with its own drive unit. The drive units can be centrally synchronized via a control unit and thus controlled uniformly. In particular, linear motors can be used, which can be precisely controlled and thus precisely control the respective movements of the rods without causing distortion or vibration when raising and lowering the visualization unit.

[0031] A possible uncontrolled lowering of the load or the visualization unit can be prevented, for example, by a safety device configured to be self-locking and / or with appropriate safety brake devices in a drive train of the drive unit. Several mechanically coupled spindle drives, for example, can lift and secure the load while simultaneously generating a constant, smooth movement.

[0032] The linear upward movement of the visualization unit can be secured, for example, by vertically arranged linear guides. The linear guides can, for example, be guide rods that protrude vertically from the support structure. A corresponding coupling pin, which is attached to the visualization unit, can, for example, be coupled in a corresponding guide groove along the guide rods, so that the direction of movement is / is predetermined and fluctuations are prevented. Accordingly, a guide carriage, which can be moved along the guide rods, can be attached to the visualization unit.

[0033] According to a further exemplary embodiment, the handling mechanism is configured to move the visualization unit along the support structure, in particular horizontally.

[0034] According to a further exemplary embodiment, the handling mechanism has at least one guide rail which is fastened to the support structure and has a carriage, which can be driven in particular (with the drive unit) and which can be moved along the guide rail. The visualization unit is fastened to the carriage in order to be moved relative to the support structure.

[0035] According to a further exemplary embodiment, the handling mechanism pivotally couples the visualization unit to the support structure by means of an articulated connection such that the visualization unit can be pivoted relative to the support structure by means of a pivoting movement to form the maintenance opening. The drive unit can, for example, be attached to the articulated connection in order to correspondingly generate a rotational drive force that leads to the pivoting of the support structure. For example, lifting rods can also be provided that lift a portion of the visualization unit and thus generate a rotation of the visualization unit at the articulated connection. Thus, it is not necessary to lift the entire visualization unit, but rather to leave the visualization unit connected to the support structure at the hinge point and to initiate a pivoting movement to create the maintenance opening.The articulated connection, in particular, has a rotational axis around which the visualization unit can rotate. The articulated connection can be designed, for example, as a hinge. Accordingly, the articulated connection can be formed by several joint elements or hinges to form a robust mounting of the visualization unit with the support structure.

[0036] Several exemplary embodiments are explained below, describing different pivot directions relative to a simulated flight direction. The cockpit replica has a corresponding cockpit nose that specifies a corresponding (simulated) flight direction. The cockpit replica has corresponding viewing windows through which the pilot can view the surroundings.

[0037] According to a further exemplary embodiment, the articulated connection is configured to pivot the visualization unit about a rotation axis which is orthogonal to the simulation flight direction and horizontal.

[0038] According to a further exemplary embodiment, the articulated connection is configured to pivot the visualization unit about a rotation axis which is orthogonal to the simulation flight direction and vertical.

[0039] According to a further exemplary embodiment, the articulated connection is configured to pivot the visualization unit about a rotation axis which is formed parallel to the simulation flight direction.

[0040] In an exemplary embodiment, the articulated connection can enable pivoting around several of the rotational axes described above. Furthermore, a combination of a translational movement and a pivoting movement is possible to at least partially decouple the visualization unit from the support structure.

[0041] According to a further exemplary embodiment, the visualization unit has a stiffening frame arranged in the base region of the visualization unit to stiffen the structure of the visualization unit. The stiffening frame is coupled to the handling mechanism in such a way that the stiffening frame is movable together with the visualization unit to form the maintenance opening. The stiffening frame can, for example, consist of a framework on which the thin housing or casing of the visualization unit is arranged. Furthermore, heavier components, such as projectors or mirror units, can be arranged on the stiffening frame. In addition, the stiffening frame can be formed at least partially along the housing of the visualization unit to reinforce it. This enables distortion-free lifting of the sensitive visualization unit.

[0042] According to another exemplary embodiment, the flight simulator comprises a movement mechanism arranged between the support structure and a floor, wherein the movement mechanism is configured to move the support structure together with the visualization unit and the cockpit replica to simulate a flight. The movement mechanism can, for example, be pivotable and have retractable and extendable lifting rods to simulate flight movements. The movement mechanism can, for example, be equipped with electric drive units to transmit corresponding movements via the lifting rods to the support structure and, accordingly, to the cockpit replica and the visualization unit.

[0043] According to another exemplary embodiment, the support structure has a support section for supporting the cockpit replica. In particular, a support unit with a support plate for supporting the cockpit replica is provided in the support section. In particular, several support units with a corresponding support plate can be arranged spaced apart from one another on the corresponding support sections of the support structure to create a robust and detachable attachment to the cockpit replica.

[0044] According to a further exemplary embodiment, a centering element is arranged in the support section, which engages in a corresponding centering receptacle of the cockpit replica for positioning the cockpit replica relative to the support structure. Additionally or alternatively, a centering receptacle is formed in the support section, in which centering receptacle a corresponding centering element of the cockpit replica engages for positioning the cockpit replica relative to the support structure. The centering element can, for example, protrude from the support plate in a pyramid shape, conical shape, or tapered shape so that a corresponding receiving opening of the cockpit replica can be placed thereon. In other words, the centering element can be designed as a conical mandrel, which is inserted into a correspondingly conical socket in a lower mounting plate of the cockpit replica. Thus, after the cockpit replica has been placed on the support plate, it can be aligned orThis allows the cockpit replica to be centered. This eliminates the need for subsequent, time-consuming centering and alignment.

[0045] According to another exemplary embodiment, the support unit is coupled to the support structure at least by means of a damping device in order to dampen high-frequency vibrations and structure-borne noise between the support structure and the cockpit replica. The damping device can be designed, for example, as a damping spring arranged between the support structure and the cockpit replica. Furthermore, the damping device can be a hydraulic damper. Thus, in addition to the secure repositioning and fastening of the swap unit or the cockpit replica, vibration decoupling can be implemented by means of the support unit.

[0046] In an exemplary embodiment, four spaced support units are possible to enable precise positioning and good, low-vibration coupling to the support structure.

[0047] According to another exemplary embodiment, the damping device comprises a rubber bearing, wherein the rubber bearing comprises a rubber sleeve arranged in a receiving opening of the damping device. The rubber sleeve has a projection to space the damping device from the support plate. The support plate has a fastening pin mounted in the rubber sleeve. In the exemplary embodiment, the support unit can be precisely adjusted and fastened to the support structure using the fastening pin. Furthermore, the rubber sleeve encloses the fastening pin and simultaneously supports the support plate with the projection (or bead), thus providing a vibration-damping effect.

[0048] According to a further exemplary embodiment, the flight simulator has one or more screw devices which have a fastening screw which can be screwed from the support structure into the cockpit replica for fixing. The cockpit replica has, in particular, a corresponding threaded hole into which the fastening screw can be screwed. For example, due to the centering element described above, it can be ensured that when the cockpit replica is positioned on the support unit, the fastening screw can be safely retracted into the threaded hole. In particular, in one exemplary embodiment, the screw device has a drive device for driving the fastening screw in order to automatically couple the cockpit replica to the support structure (i.e., for example, by means of control by a control unit).The screw device can, for example, be part of the support unit and can be mounted on the support structure via the support unit in a vibration-damping manner.

[0049] For example, a variety of screwing devices can be used. In particular, each support unit can have a corresponding screwing device.

[0050] In particular, the screwing device has a loss prevention device (for example via a thread limiter) so that the fastening screw cannot be unscrewed from the screwing device.

[0051] According to an exemplary embodiment, the screw device is designed such that the fastening screw extends through the support structure and can be operated from a side of the support structure opposite the support section of the support unit. Thus, for example, a user can easily reach and operate the fastening screw from a lower side of the support structure opposite the cockpit replica. Furthermore, control and drive devices can be arranged on the opposite side of the support structure of the screw device in order to detect the position of the fastening screw and / or to control the fastening screw. For example, a rotation of the fastening screw can be controlled by means of an electric motor in order to enable automatic fastening of the cockpit replica.A corresponding position sensor, in particular a rotational position sensor, of the screwing device can determine the screwing position of the fastening screw accordingly in order to determine the exact screwing status of the fastening screw in the cockpit replica and to control the fastening screw accordingly.

[0052] According to another exemplary embodiment, a proximity sensor is provided on the support section, wherein the proximity sensor is configured to determine a distance and / or a position between the support section and the cockpit replica. The proximity sensor can be configured, for example, as an ultrasonic sensor or an optical sensor. Furthermore, the proximity sensor can be a contact sensor that establishes contact between the support section or the support unit and the cockpit replica. A corresponding control unit can process the sensor signals and, based thereon, automatically and independently control a corresponding actuation of the fastening screw.

[0053] According to a further aspect of the present invention, a device for servicing the above-described flight simulator is described. The device comprises a maintenance device and a drive device configured to move the maintenance device through the maintenance opening between the visualization unit and the support structure such that the maintenance device reaches the cockpit replica from the outside.

[0054] The maintenance device can, for example, have corresponding elements intended for maintenance or replacement of the cockpit replica. For example, a corresponding maintenance tool can be transported through the maintenance opening to the cockpit replica. The drive device can, for example, be electric, pneumatic, or hydraulic. The drive device further has corresponding force-transmitting elements, such as rods, belt drives, or gear elements, to move the maintenance device through the maintenance opening. The drive device is thus considered a lifting device. The drive device can, for example, be controlled by an operator. Furthermore, the drive device can be controlled by a control unit to ensure automatic movement of the maintenance device during maintenance.

[0055] According to an exemplary embodiment, the maintenance device comprises a platform for transporting a person to the cockpit replica through the maintenance opening. The platform can be selectively coupled to the device, depending on whether transporting the person is necessary. The maintenance device can thus be converted and used as a work platform for servicing equipment in the cockpit replica, such as the computers and a control cabinet of the cockpit replica.

[0056] The platform can, for example, be positioned in an inactive position and an active position, in which an operator can stand on the platform. The platform can also have a railing to comply with safety regulations. Safety-relevant control commands, such as the control of the handling mechanism for handling the visualization unit, can be automatically blocked when the platform is in an active position to prevent injury to the operator. Furthermore, a railing can be installed on the platform. The position of the platform can be monitored, for example, using a monitoring sensor system.

[0057] According to another exemplary embodiment, the maintenance device comprises a handling device for handling the cockpit replica. The drive device is configured to convey the handling device together with the cockpit replica through the maintenance opening.

[0058] According to a further exemplary embodiment, the handling device comprises a receiving fork which can be inserted through the maintenance opening and between the support structure and the cockpit replica in order to lift the cockpit replica from the support structure.

[0059] Additionally or alternatively, the handling device comprises a gripping element for selectively gripping the cockpit replica, wherein the gripping element is insertable through the maintenance opening in order to decouple or couple the cockpit replica from the support structure.

[0060] The gripping element can grasp the cockpit replica and detach it from the support structure accordingly in order to replace the cockpit replica. Furthermore, coupling / decoupling with the cockpit replica can be enabled, for example, by means of a magnetic coupling or a plug-in connection, in order to detach or attach the cockpit replica to the support structure. The handling device is designed such that the cockpit replica can be moved through the maintenance opening.

[0061] Accordingly, the described maintenance device can enable the exchange of cockpit replicas using the handling device.

[0062] The maintenance facility is thus designed for manipulating the cockpit replica with a gripping mechanism and a rotatable and vertically movable lifting platform (pedestal) in order to maintain the cockpit replica or to lift it to different levels.

[0063] According to the invention, the maintenance device has a storage device on which a cockpit replica can be deposited or from which a cockpit replica can be picked up by means of the maintenance device, wherein the drive device in particular has a turntable in order to align the cockpit replica relative to the handling device or the storage device.

[0064] The maintenance device or its drive unit can be permanently positioned in front of the flight simulator. The combination of translational and rotational movements of the maintenance device using the drive unit enables the replacement process of the cockpit replica and its maintenance. For example, the maintenance device or its handling device can be used to lift the cockpit replica through the maintenance opening from the mothership or from the support structure and place it on one of the two docking frames (storage device). Subsequently, another cockpit replica can be picked up from a differently positioned docking frame and positioned in the mothership (support structure). The cockpit replicas that have been placed on a docking frame can be easily moved manually or replaced with additional cockpit replicas using this docking frame.

[0065] In an exemplary embodiment, the cockpit replica is so fully equipped that it represents a self-contained mechatronic system that can be commissioned even outside the mothership or carrier structure using a relatively simple docking station. In an exemplary embodiment, the storage facility of the maintenance facility described below can form a type of docking station, so that when the cockpit replica is unloaded, it is equipped with all system-relevant functions and can also be used for simulation outside the flight simulator.

[0066] According to a further aspect of the present invention, a flight simulator system is described. The flight simulator system comprises the above-described flight simulator and the above-described maintenance device for maintaining the flight simulator. Furthermore, the flight simulator system comprises a control unit. The control unit is configured to control the handling mechanism for handling the visualization unit and the drive device such that the handling mechanism moves the visualization unit such that the maintenance opening can be provided between the visualization unit and the support structure. Furthermore, the control unit is configured to control the drive device such that the maintenance device can be moved through the maintenance opening and the maintenance device reaches the cockpit replica from the outside.

[0067] The control unit can thus automatically implement a maintenance or replacement process for the cockpit replica. A corresponding position sensor can, for example, determine the position of the visualization device and the cockpit replica on the support structure. The corresponding sensor data can be received by the control unit. Based on this, the control unit can move the visualization unit relative to the support structure. Furthermore, the control unit can move the drive device and, accordingly, the maintenance device (e.g., the gripping elements) through the maintenance opening and create a coupling with the cockpit replica. Accordingly, the control unit can automatically control the drive device of the maintenance device in such a way that a controlled movement of the cockpit replica through the maintenance opening is enabled.The present invention thus describes a comprehensive flight simulator system which enables automatic control for the maintenance and replacement of a cockpit replica.

[0068] It should be noted that the embodiments described here represent only a limited selection of possible embodiments of the invention. It is thus possible to combine the features of individual embodiments in a suitable manner, so that a multitude of different embodiments can be regarded as obviously disclosed to a person skilled in the art with the embodiments explicitly described here. In particular, some embodiments of the invention are described with device claims and other embodiments of the invention with method claims. However, upon reading this application, it will immediately become clear to a person skilled in the art that, unless explicitly stated otherwise, in addition to a combination of features belonging to one type of subject matter of the invention, any combination of features belonging to different types of subject matter of the invention is also possible. Short description of the drawings

[0069] For further explanation and better understanding of the present invention, embodiments are described in more detail below with reference to the accompanying drawings. Fig. 1 shows a schematic representation of a flight simulator with a raised visualization unit according to an exemplary embodiment of the present invention. Fig. 2 to Fig. 5 show schematic representations of pivoting possibilities of the visualization unit according to an exemplary embodiment of the present invention. Fig. 6 shows a schematic representation of a support unit on a support section of the support structure according to an exemplary embodiment of the present invention. Fig. Figure 7 shows a schematic representation of a section AA of the support unit from Fig. 6 according to an exemplary embodiment of the present invention. Fig. 8 shows a schematic representation of a support unit from Fig. 6 according to an exemplary embodiment of the present invention. Fig. 9 and Fig. 10 show schematic representations of a maintenance device according to an exemplary embodiment of the present invention. Fig. 11 shows a schematic representation of a flight simulator system according to an exemplary embodiment of the present invention. Detailed description of exemplary embodiments

[0070] Identical or similar components in different figures are provided with the same reference numerals. The representations in the figures are schematic.

[0071] Fig. 1 shows a schematic representation of a flight simulator 100 with a raised visualization unit 104 according to an exemplary embodiment of the present invention. The flight simulator 100 has a support structure 101 and a cockpit replica 102, which simulates a cockpit of a real aircraft and has a viewing window 103 through which a field of view outside the cockpit replica 102 is created. The cockpit replica 102 is attached to the support structure 101. The flight simulator 100 further has a visualization unit 104 for visualizing a simulated environment in the field of view around the cockpit replica 102, wherein the visualization unit 104 at least partially surrounds the cockpit replica 102 with the viewing window 103.Furthermore, the flight simulator 100 has a handling mechanism 105 for handling the visualization unit 104 relative to the support structure 101, wherein the visualization unit 104 is detachably fastened to the support structure 101 such that the handling mechanism 105 enables the visualization unit 104 to be moved such that a maintenance opening can be provided between the visualization unit 104 and the support structure 101, through which the cockpit replica 102 can be reached from the outside.

[0072] The support structure 101 of the flight simulator 100 consists, for example, of a framework, for example, of steel rods, to which components of the flight simulator 100, in particular the cockpit replica 102, the visualization unit 104, and the handling mechanism 105, are mounted. The support structure 101 has a corresponding planar support and can further comprise support elements that extend from the planar support and, for example, at least partially surround the visualization unit 104 and / or the cockpit replica 102 laterally in order to form a corresponding edge attachment or mounting.

[0073] The cockpit replica 102 or simulation cockpit simulates or is a detailed replica of an aircraft-specific cockpit, in which corresponding functional elements of a particular aircraft type on which the pilot is to be trained are installed. The cockpit replica 102 can be detachably attached to the support structure 101 in order to be exchanged from the support structure 101. This allows adaptation to a different aircraft type by arranging a corresponding cockpit replica 102 that simulates a specific aircraft type. The cockpit replica 102 has a corresponding cockpit nose that specifies a corresponding (simulation) flight direction. The cockpit replica 102 has corresponding viewing windows 103 through which the pilot can view the interior of the visualization unit 104.

[0074] The cockpit replica 102 may further comprise a mounting platform or base platform, which is typically arranged at the bottom of the cockpit housing of the cockpit replica 102. The base platform accommodates, in particular, functionally relevant components for the simulation.

[0075] The visualization unit 104 is arranged around the viewing windows 103 and simulates the environment around the cockpit, allowing the pilot to perceive a simulated environment through the viewing window 103. The visualization unit 104 has, in particular, corresponding screens or a projection surface that simulate a corresponding environment of the cockpit replica 102. Furthermore, the visualization unit 104 can have one or more projectors that project corresponding images directly or via a mirror system onto a collector surface that surrounds, in particular, the viewing windows 103 of the cockpit replica 102. The visualization unit 104 is reinforced, for example, by a supporting framework, which can, for example, be partially formed by the stiffening frame 110, and a thinner housing wall or casing that at least partially surrounds the cockpit replica 102, in particular to intercept stray light.Accordingly, the visualization unit 104 can be designed as a spherical segment or tubular in order to enclose the cockpit replica 102 or its viewing window 103, but leave a rear part of the cockpit free.

[0076] The visualization unit 104 is detachably attached to the support structure 101, for example, with screw and / or plug connections. The visualization unit 104 can be moved relative to the support structure 101 by means of a handling mechanism 105, which is part of the flight simulator 100 and is attached, for example, to the support structure 101. In particular, the visualization unit 104 can be moved such that a maintenance opening is formed between the visualization unit 104 and the support structure 101. Thus, the cockpit replica 102 can be reached through the maintenance opening. It is therefore no longer necessary to create a free space from the rear in order to reach the cockpit replica 102, i.e., to maintain or replace it.Accordingly, according to the invention, the maintenance opening is created above, to the side or in front of the cockpit replica 102, so that a front loading system, top loading system or a side loading system for the cockpit replica 102 is enabled.

[0077] The handling mechanism 105 is configured to move the visualization unit 104 along a translational movement direction 106 relative to the support structure 101 to form the maintenance opening.

[0078] As in Fig. As shown in Figure 1, the handling mechanism 105 is configured to lift the visualization unit 104 from the support structure 101, particularly along a vertical direction. For example, a corresponding device, such as the lifting rods 108 described below, can be used.

[0079] The handling mechanism 105 has extendable lifting rods 108, which are arranged between the visualization unit 104 and the support structure 101 in order to lift the visualization unit 104 from the support structure 101. The lifting rods 108 can be retracted and extended, for example, in a telescopic manner.

[0080] The lifting rods 108 can be extended and retracted by means of an electric, pneumatic, or hydraulic drive unit 107. For example, an electric linear motor can be used in particular to precisely and evenly lift the visualization unit 104 from the support structure 101.

[0081] The lifting rods 108 are coupled to a lifting spindle 109, which, together with the electric drive unit 107, forms a spindle drive for lifting the visualization unit 104 from the support structure 101. The lifting rod 108 and the further lifting rod 108 are arranged at a distance from one another, wherein the lifting rod 108 and the further lifting rod 108 are synchronously controllable in order to lift the visualization unit 104 evenly and simultaneously.

[0082] For example, a common drive unit 107 can be coupled to the lifting rods 108 to enable a uniform movement of the visualization unit 104. The drive unit 107 can be coupled, for example, via belts or to a common lifting spindle 109 to enable a uniform and low-vibration movement sequence. Furthermore, a mechanical transmission can be used, for example, to evenly transmit a uniform movement initiated by a common drive unit 107 to the lifting rods 108.

[0083] In a further exemplary embodiment, each lifting rod 108 can be operated with a drive unit 107 assigned to it. The drive units 107 can be centrally controlled via a control unit 1101 (see Fig. 11) are synchronized and thus controlled uniformly.

[0084] The linear upward movement of the visualization unit 104 can be ensured, for example, by vertically arranged linear guides. The linear guides can, for example, be guide rods 112 that protrude vertically from the support structure 101.

[0085] The visualization unit 104 has a stiffening frame 110 arranged in the base region of the visualization unit 104 to stiffen the structure of the visualization unit 104. The stiffening frame 110 is coupled to the handling mechanism 105 such that the stiffening frame 110 is movable together with the visualization unit 104 to form the maintenance opening. The stiffening frame 110 can, for example, consist of a framework on which the thin housing or casing of the visualization unit 104 is arranged.

[0086] Furthermore, heavier components, such as projectors or mirror units, can be arranged on the stiffening frame 110. Furthermore, the stiffening frame 110 can be formed at least partially along the housing of the visualization unit 104 to reinforce it. This enables the sensitive visualization unit 104 to be lifted without distortion.

[0087] The flight simulator 100 has a movement mechanism 111 arranged between the support structure 101 and a floor. The movement mechanism 111 is configured to move the support structure 101 together with the visualization unit 104 and the cockpit replica 102 in order to simulate a flight or aircraft-relevant movements. The movement mechanism 111 can, for example, have pivotable and retractable and extendable lifting rods in order to simulate flight movements or ground movements. The movement mechanism 111 can, for example, be equipped with electric drive units in order to transmit corresponding movements via the lifting rods to the support structure 101 and accordingly to the cockpit replica 102 and the visualization unit 104.

[0088] Fig. 2 to Fig. 5 show schematic representations of pivoting possibilities of the visualization unit 104 according to exemplary embodiments of the present invention.

[0089] The handling mechanism 105 pivotally couples the visualization unit 104 to the support structure 101 by means of an articulated connection 201 such that the visualization unit 104 can be pivoted relative to the support structure 101 by means of a pivoting movement to form a maintenance opening. The drive unit 107 can, for example, be attached to the articulated connection 201 to correspondingly generate a rotational drive force that leads to the pivoting of the support structure 101.

[0090] In Fig. 2 to Fig. 5 illustrates several exemplary embodiments that describe various pivot directions relative to a simulated flight direction 202. The cockpit replica 102 has a corresponding cockpit nose that specifies a corresponding (simulated) flight direction. The cockpit replica 102 has corresponding viewing windows 103 through which the pilot can view a simulated environment.

[0091] In Fig. 2, the articulated connection 201 is configured to pivot the visualization unit 104 about a rotation axis 203, which is orthogonal to the simulation flight direction 202 and horizontal. The articulated connection 201 is attached to an upper edge of the support structure 101, which also extends behind the visualization unit 104.

[0092] In Fig. 3, the articulated connection 201 is configured to pivot the visualization unit 104 about a rotation axis 203, which is orthogonal to the simulation flight direction 202 and horizontal. The articulated connection 201 is attached to a lower edge of the support structure 101.

[0093] In Fig. 4, the articulated connection 201 is configured to pivot the visualization unit 104 about a rotation axis 203, which is orthogonal to the simulation flight direction 202 and vertical.

[0094] In Fig. 5, the articulated connection 201 is configured to pivot the visualization unit 104 about a rotation axis 203, which is formed parallel to the simulation flight direction 202.

[0095] Fig. 6 shows a schematic representation of a support unit 602 on a support section 601 of the support structure 101 according to an exemplary embodiment of the present invention. Fig. Figure 7 shows a schematic representation of a section AA of the support unit from Fig. 6. Fig. 8 shows a schematic representation of a support unit 602 from Fig. 6. The support structure 101 has a support section 601 for supporting the cockpit replica 102. In particular, a support unit 602 with a support plate 603 for supporting the cockpit replica 102 is provided in the support section 601. In particular, several support units 602 with a corresponding support plate 603 can be arranged spaced apart from one another on the corresponding support sections 601 of the support structure 101 in order to create a robust and detachable attachment to the cockpit replica 102.

[0096] A centering element 604 is arranged in the support section 601, which engages in a corresponding centering receptacle of the cockpit replica 102 for positioning the cockpit replica 102 relative to the support structure 101. Additionally or alternatively, a centering receptacle is formed in the support section 601, in which a corresponding centering element 604 of the cockpit replica 102 engages for positioning the cockpit replica 102 relative to the support structure 101. The centering element 604 can, for example, protrude from the support plate 603 in a pyramidal or conical shape, so that a corresponding receiving opening 702 of the cockpit replica 102 can be placed thereon.

[0097] The support unit 602 is coupled to the support structure 101 at least by means of a damping device 701 in order to dampen vibrations between the support structure 101 and the cockpit replica 102. The damping device 701 has a rubber bearing, wherein the rubber bearing has a rubber sleeve which is arranged in a receiving opening 702 of the damping device 701. The rubber sleeve has a projection 703 in order to space the damping device 701 from the support plate 603. The support plate 603 has a fastening pin which is mounted in the rubber sleeve. In the exemplary embodiment, the support unit 602 can be precisely adjusted and fastened to the support structure 101 using the fastening pin. In addition, the rubber sleeve encloses the fastening pin and simultaneously supports the support plate 603 with the projection 703 (or bead), thus providing a vibration-damping effect.

[0098] The flight simulator 100 has a screw device 704 having a fastening screw 705 that can be screwed from the support structure 101 into the cockpit replica 102 for fixation. The cockpit replica 102 has, in particular, a corresponding threaded hole into which the fastening screw 705 can be screwed. For example, the centering element 604 can ensure that, when the cockpit replica 102 is positioned on the support unit 602, the fastening screw 705 can be securely inserted into the threaded hole during operation. In one exemplary embodiment, the screw device 704 has, in particular, a drive device 706 for driving the fastening screw 705 in order to automatically couple the cockpit replica 102 to the support structure 101 (i.e., for example, by means of control by a control unit 1101).The screw device 704 can, for example, be part of the support unit 602 and can be mounted in a vibration-damping manner via the support unit 602 with the support structure 101.

[0099] The screw device 704 is designed such that the fastening screw 705 extends through the support structure 101 and can be operated from a side of the support structure 101 opposite the support section 601 of the support unit. Thus, for example, a user can easily reach and operate the fastening screw 705 from a lower side of the support structure 101 opposite the cockpit replica 102. Furthermore, the screw device 704 can be provided with control and drive devices 706 on the opposite side of the support structure 101 in order to detect the position of the fastening screw 705 and / or to control the fastening screw 705. For example, a rotation of the fastening screw 705 can be controlled by means of an electric motor in order to enable automatic fastening of the cockpit replica 102.A corresponding position sensor, in particular a rotational position sensor, of the screwing device 704 can accordingly determine the screwing position of the fastening screw 705 in order to thus determine the exact screwing status of the fastening screw 705 in the cockpit replica 102 and to control the fastening screw 705 accordingly.

[0100] A proximity sensor 707 is also provided on the support section 601, wherein the proximity sensor 707 is configured to determine a distance and / or a position between the support section 601 and the cockpit replica 102. The proximity sensor 707 can be designed, for example, as an ultrasonic sensor or as an optical sensor. Furthermore, the proximity sensor 707 can form a contact sensor, which creates contact between the support section 601 or the support unit 602 and the cockpit replica 102. A corresponding control unit 1101 can process the sensor signals and, based thereon, independently and automatically control a corresponding actuation of the fastening screw 705.

[0101] Fig. 9 and Fig. 10 shows schematic representations of a maintenance device 900 for servicing the above-described flight simulator 100 according to an exemplary embodiment of the present invention. The device 900 comprises a maintenance device 902 and a drive device 901 configured to move the maintenance device 902 through the maintenance opening between the visualization unit 104 and the support structure 101 such that the maintenance device 902 reaches the cockpit replica 102 from the outside.

[0102] The maintenance device 902 can, for example, have corresponding elements intended for servicing or replacing the cockpit replica 102. For example, a corresponding maintenance tool can be conveyed through the maintenance opening to the cockpit replica 102. The drive device 901 can, for example, be electrically, pneumatically, or hydraulically operated. The drive device 901 further has corresponding force-transmitting elements, such as rods, belt drives, or gear elements, to move the maintenance device 902 through the maintenance opening. The drive device 901 is thus considered a lifting device.

[0103] The maintenance device 902 has, for example, a platform 1001 for a person to transport the person to the cockpit replica 102 through the maintenance opening. The platform 1001 can, in particular, be selectively coupled to the device depending on whether transporting the person is necessary. The maintenance device 902 can thus be converted and used as a work platform 1001 for servicing equipment of the cockpit replica 102, such as the computers or a control cabinet in the cockpit replica 102.

[0104] According to a further exemplary embodiment, the maintenance device 902 comprises a handling device 903 for handling the cockpit replica 102. The drive device 901 is configured to convey the handling device 903 together with the cockpit replica 102 through the maintenance opening. The handling device 903 comprises, for example, a receiving fork 904, which can be inserted through the maintenance opening and between the support structure 101 and the cockpit replica 102 in order to lift the cockpit replica 102 from the support structure 101.

[0105] Additionally or alternatively, the handling device 903 has a gripping element for selectively gripping the cockpit replica 102, wherein the gripping element can be inserted through the maintenance opening in order to decouple or couple the cockpit replica 102 from the support structure 101. The gripping element can grip the cockpit replica 102 and accordingly detach it from the support structure 101 in order to replace the cockpit replica 102. Furthermore, coupling or decoupling with the cockpit replica 102 can be enabled, for example by means of a magnetic coupling or by means of a plug connection, in order to detach or attach the cockpit replica 102 from the support structure 101. The handling device is designed such that the cockpit replica 102 can be moved through the maintenance opening.

[0106] The maintenance device 900 further comprises a storage device 905 on which a cockpit replica 102 can be deposited or from which a cockpit replica 102 can be picked up by means of the maintenance device 902, wherein the drive device 901 in particular comprises a turntable 906 in order to align the cockpit replica 102 relative to the handling device 903 or the storage device 905.

[0107] Fig.11 shows a schematic representation of a flight simulator system 1100 according to an exemplary embodiment of the present invention. The flight simulator system 1100 comprises the above-described flight simulator 100 and the above-described maintenance device for servicing the flight simulator 100. Furthermore, the flight simulator system 1100 comprises a control unit 1101. The control unit 1101 is configured to control the handling mechanism 105 for handling the visualization unit 104 and the drive device 901 such that the handling mechanism 105 moves the visualization unit 104 such that the maintenance opening can be provided between the visualization unit 104 and the support structure 101. Furthermore, the control unit 1101 is configured to control the drive device 901 such that the maintenance device 902 can be moved through the maintenance opening and the maintenance device 902 reaches the cockpit replica 102 from the outside.

[0108] The maintenance device 900 or its drive device 901 can be fixedly positioned in front of the flight simulator 100. The combination of translational and rotational movements of the maintenance device 902 by means of the drive device 901 enables the replacement process of the cockpit replica 102 and its maintenance. For example, the maintenance device 902 or its handling device 903 can lift the cockpit replica 102 through the maintenance opening out of the mothership or from the support structure 101 and place it on one of the two docking frames (storage devices 905). Subsequently, another cockpit replica 102 can be picked up by a differently positioned docking frame and positioned in the mothership (support structure 101).

[0109] A maintenance or replacement process for the cockpit replica 102 can thus be implemented automatically by means of the control unit 1101. A corresponding position sensor can, for example, determine the position of the visualization device and the cockpit replica 102 on the support structure 101. The corresponding sensor data can be received by the control unit 1101. Based on this, the control unit 1101 can move the visualization unit 104 relative to the support structure 101. Furthermore, the control unit 1101 can move the drive device 901 and, accordingly, the maintenance device 902 (for example, the gripping elements) through the maintenance opening and create a coupling with the cockpit replica 102. Accordingly, the control unit 1101 can automatically control the drive device 901 of the maintenance device in such a way that a controlled movement of the cockpit replica 102 through the maintenance opening is enabled.The present invention thus describes a comprehensive flight simulator system 1100 which enables automatic control for the maintenance and replacement of a cockpit replica 102.

[0110] Additionally, it should be noted that "comprising" does not exclude other elements or steps, and "one" or "an" does not exclude a plurality. Furthermore, it should be noted that features or steps described with reference to one of the above embodiments may also be used in combination with other features or steps of other embodiments described above. Reference signs in the claims are not to be considered as limitations. List of reference symbols: 100 flight simulator 101 Support structure 102 cockpit replica 103 viewing windows 104 Visualization unit 105 Handling mechanics 106 Direction of movement 107 Drive unit 108 Lifting rod 109 lifting spindle 110 stiffening frame 111 Movement mechanics 112 Guide rod 201 Articulated connection 202 Simulation flight direction 203 axis of rotation 601 support section 602 support unit 603 support plate 604 Centering element 701 Damping device 702 receiving opening 703 overhang 704 screwing device 705 fixing screw 706 drive device 707 Proximity sensor 900 Maintenance device 901 drive device 902 Maintenance facility 903 Handling device 904 mounting fork 905 storage device 906 turntable 1001 podiums 1100 flight simulator system 1101 Control unit

Claims

[1] Flight simulator (100), comprising a support structure (101), a cockpit replica (102) which simulates a cockpit of a real aircraft and has a viewing window (103) through which a field of view outside the cockpit replica (102) is created, wherein the cockpit replica (102) is attached to the support structure (101), a visualization unit (104) for visualizing a simulated environment in the field of view around the cockpit replica (102), wherein the visualization unit (104) at least partially surrounds the cockpit replica (102) with the viewing window (103), a handling mechanism (105) for handling the visualization unit (104) relative to the support structure (101), wherein the visualization unit (104) is detachably fastened to the support structure (101) in such a way that the handling mechanism (105) can move the visualization unit (104) in such a way that a maintenance opening can be provided between the visualization unit (104) and the support structure (101), through which the cockpit replica (102) can be reached from the outside. [2] Flight simulator (100) according to claim 1, wherein the handling mechanism (105) is configured to move the visualization unit (104) along a translational movement direction (106) relative to the support structure (101) to form the maintenance opening. [3] Flight simulator (100) according to claim 2, wherein the handling mechanism (105) is configured to lift the visualization unit (104) from the support structure (101), in particular along a vertical direction. [4] Flight simulator (100) according to claim 3, wherein the handling mechanism (105) comprises at least one extendable lifting rod (108) arranged between the visualization unit (104) and the support structure (101) in order to lift the visualization unit (104) from the support structure (101). [5] Flight simulator (100) according to claim 4, wherein the lifting rod (108) can be extended and retracted by means of a drive unit (107), in particular by means of an electric, pneumatic or hydraulic drive unit. [6] Flight simulator (100) according to claim 5, wherein the lifting rod (108) has a lifting spindle (109) which forms a spindle drive with the electric drive unit (107) in order to lift the visualization unit (104) from the support structure (101). [7] Flight simulator (100) according to one of claims 4 to 6, wherein the handling mechanism (105) has at least one further extendable lifting rod (108) which is arranged between the visualization unit (104) and the support structure (101) in order to lift the visualization unit (104) from the support structure (101), wherein the lifting rod (108) and the further lifting rod (108) are arranged at a distance from each other, wherein the lifting rod (108) and the further lifting rod (108) are synchronously controllable in order to lift the visualization unit (104) evenly. [8] Flight simulator (100) according to one of claims 2 to 7, wherein the handling mechanism (105) is configured to move the visualization unit (104) along the support structure (101), in particular horizontally. [9] Flight simulator (100) according to claim 8, wherein the handling mechanism (105) has at least one guide rail which is fastened to the support structure (101) and a, in particular drivable, carriage which can be moved along the guide rail, wherein the visualization unit (104) is attached to the carriage. [10] Flight simulator (100) according to one of claims 1 to 9, wherein the handling mechanism (105) is pivotally coupled to the support structure (101) by means of an articulated connection (201) such that the visualization unit (104) is pivotable by means of a pivoting movement relative to the support structure (101) in order to form the maintenance opening. [11] Flight simulator (100) according to claim 10, wherein the cockpit replica (102) defines a simulation flight direction (202), wherein the articulated connection (201) is configured to pivot the visualization unit (104) about a rotation axis (203) which is orthogonal to the simulation flight direction (202) and horizontal. [12] Flight simulator (100) according to claim 10 or 11, wherein the cockpit replica (102) defines a simulation flight direction (202), wherein the articulated connection (201) is configured to pivot the visualization unit (104) about a rotation axis (203) which is orthogonal to the simulation flight direction (202) and vertical. [13] Flight simulator (100) according to one of claims 10 to 12, wherein the cockpit replica (102) defines a simulation flight direction (202), wherein the articulated connection (201) is configured to pivot the visualization unit (104) about a rotation axis (203) which is formed parallel to the simulation flight direction (202). [14] Flight simulator (100) according to one of claims 1 to 13, wherein the visualization unit (104) has a stiffening frame (110) arranged in the bottom region of the visualization unit (104) for stiffening the structure of the visualization unit (104), wherein the stiffening frame (110) is coupled to the handling mechanism (105) such that the stiffening frame (110) is movable together with the visualization unit (104) to form the maintenance opening. [15] Flight simulator (100) according to one of claims 1 to 14, wherein the support structure (101) has a support section (601) for placing the cockpit replica (102), wherein in the support section (601) in particular a support unit (602) with a support plate (603) for supporting the cockpit replica (102) is provided. [16] Flight simulator (100) according to claim 15, wherein a centering element (604) is arranged in the support section (601), which engages in a corresponding centering receptacle of the cockpit replica (102) for positioning the cockpit replica (102) relative to the support structure (101), and / or wherein a centering receptacle is formed in the support section (601), in which a corresponding centering element (604) of the cockpit replica (102) engages for positioning the cockpit replica (102) relative to the support structure (101). [17] Flight simulator (100) according to claim 15 or 16, wherein the support unit (602) is coupled to the support structure (101) at least by means of a damping device (701) in order to dampen vibrations between the support structure (101) and the cockpit replica (102). [18] Flight simulator (100) according to claim 17, wherein the damping device (701) comprises a rubber bearing, wherein the rubber bearing has a rubber sleeve which is arranged in a receiving opening (702) of the damping device (701), wherein the rubber sleeve has a projection (703) to space the damping device (701) from the support plate (603), wherein the support plate (603) has a fastening pin which is mounted in the rubber sleeve. [19] Flight simulator (100) according to one of claims 15 to 18, a screw device (704) having a fastening screw (705) which can be screwed from the support structure (101) into the cockpit replica (102) for fixing, wherein the screw device (704) has a drive device for driving the fastening screw (705) in order to automatically couple the cockpit replica (102) to the support structure (101). [20] Flight simulator (100) according to claim 19, wherein the screw device (704) is designed such that the fastening screw (705) extends through the support structure (101) and can be operated from a side of the support structure (101) which is opposite the support section (601). [21] Flight simulator (100) according to one of claims 15 to 20, wherein a proximity sensor (707) is provided on the support section (601), wherein the proximity sensor (707) is configured to determine a distance and / or a position between the support section (601) and the cockpit replica (102). [22] Device (900) for servicing a flight simulator according to one of claims 1 to 21, the device (900) comprising a maintenance facility, a drive device (901) which is configured to move the maintenance device (902) through the maintenance opening between the visualization unit (104) and the support structure (101) such that the maintenance device (902) reaches the cockpit replica (102) from the outside, and a storage device (905) on which a cockpit replica (102) can be placed or from which a cockpit replica (102) can be picked up by means of the maintenance device, wherein the drive device (901) has a turntable (906) in order to align the cockpit replica (102) relative to the handling device (903) or the storage device (905). [23] Apparatus (900) according to claim 22, wherein the maintenance device (902) comprises a pedestal (1001) for a person to transport the person to the cockpit replica (102) through the maintenance opening. [24] Device (900) according to claim 22 or 23, wherein the maintenance device (902) has a handling device (903) for handling the cockpit replica (102), wherein the drive device (901) is configured to convey the handling device (903) together with the cockpit replica (102) through the maintenance opening. [25] Device (900) according to claim 24, wherein the handling device (903) has a receiving fork (904) which can be inserted through the maintenance opening and between the support structure (101) and the cockpit replica (102) in order to lift the cockpit replica (102) from the support structure (101) and / or wherein the handling device (903) has a gripping element for selectively gripping the cockpit replica (102), wherein the gripping element is insertable through the maintenance opening in order to decouple or couple the cockpit replica (102) from the support structure (101). [26] Flight simulator system (1100), comprising a flight simulator (100) according to one of claims 1 to 21, a device (900) according to one of claims 22 to 25 for servicing the flight simulator, a control unit (1101) which is configured to control the handling mechanism (105) for handling the visualization unit (104) and the drive device (901) in such a way that the handling mechanism (105) moves the visualization unit (104) in such a way that the maintenance opening can be provided between the visualization unit (104) and the support structure (101), and to control the drive device (901) such that the maintenance device (902) can be moved through the maintenance opening and the maintenance device (902) reaches the cockpit replica (102) from the outside. [27] Method for servicing a flight simulator according to one of claims 1 to 21, the method comprising moving the visualization unit (104) by means of the handling mechanism (105) such that a maintenance opening is provided between the visualization unit (104) and the support structure (101), through which the cockpit replica (102) can be reached from the outside.

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