Device for attaching an advertising medium to a mast construction and mast construction with such a device

Abstract

Device for attaching an advertising carrier to a mast structure, comprising: an upper guide fastening which can be fastened to an upper section of the mast structure; a lower guide fastening which can be fastened to a lower section of the mast structure or to a foundation of the mast structure; a guide element which can be connected to the upper guide fastening and the lower guide fastening in such a way that it extends between the upper and lower guide fastenings at a predetermined or predeterminable radial distance from the mast structure; an upper support structure which can be engaged with the guide element in order to be guided by means of the guide element; a lower support structure which can be engaged with the guide element in order to be guided by means of the guide element; a lifting device which is designed to lift or lower the support structures.to lower; a connecting element which connects the upper support structure and the lower support structure in such a way that they can be raised or lowered together at a predetermined or predeterminable axial distance from one another, and an advertising carrier element which can be connected to the upper support structure and / or to the lower support structure in such a way that it extends between the upper and lower support structures.

Description

The invention relates to a device for attaching an advertising medium to a mast construction and to a mast construction with such a device.Towers, towers, poles, for example a construction crane, or a power mast represent possibilities for attaching readily visible advertising vehicles, in particular in the urban area or along multi-pass (land) roads. Both owners or elevators and advertisers can therefore benefit from a corresponding use as an advertising mast.Devices for mounting advertising carriers on poles, in particular on lattice poles of a construction crane, are known. For example, WO 01 / 16926 A1 discloses various devices with an outer casing or sheathing of a mast. However, these devices have a high weight because of their construction, as a result of which, in addition to the high construction, transport and assembly expenditure, additional reinforcement of the mast, in particular with regard to stability, is necessary. EP 1 405 294 discloses a lighter apparatus with an inflatable sleeve which is fixed at a height of a mast. However, this device also requires reinforcement of the mast, since high forces can act on the mast in the case of strong wind. Even if the air is discharged from the case in the case of strong wind, the application area of the wind hardly decreases because the case in the deployed state is applied to the poles due to the wind, which is a considerable safety risk.US 2003 / 0 159 321 A1 describes a display system with a pile, to which a display can be attached, wherein the height of the display on the pile can be varied. DE 299 10 410 U1 describes a device for displaying displays, comprising a mast and a rigid advertising medium attached thereto, wherein the weaving medium is vertically movable on the mast.It is therefore an object of the present invention to provide an apparatus for attaching an advertising medium to a mast construction which enables simple production and assembly and safe operation without requiring additional reinforcement of the mast construction. It is also an object of the present invention to provide an advertising surface that is easily visible and can be subsequently mounted on a mast construction.These objects are achieved by the subject matters of the independent claims. Advantageous embodiments are defined in the dependent claims.A first aspect of the invention relates to a device for attaching an advertising medium to a mast construction, comprising: an upper guide fastening which can be fastened to an upper portion of the mast construction; a lower guide fastening which can be fastened to a lower portion of the mast construction or to a foundation of the mast construction; a guide element which can be connected to the upper guide fastening and the lower guide fastening in such a way that it extends between the upper and the lower guide fastening at a predetermined or predeterminable radial distance from the mast construction, in particular vertically and / or parallel or along the mast extension direction; an upper carrier construction which can be brought into engagement with the guide element in order to be guided by means of the guide element; and a lower carrier construction which can be brought into engagement with the guide element in order to be guided by means of the guide element; a lifting device configured to raise or lower the support structures; a connecting element connecting the upper support structure and the lower support structure such that they can be raised or lowered together at a predetermined or predeterminable axial distance from one another, and an advertising support element connectable to the upper support structure and / or to the lower support structure such that it extends at least in regions between the upper and lower support structures; wherein the lifting device is connected to the upper support structure, and the connecting element is a flexible connecting element such that the lower support structure can be raised or lowered together with the upper support structure at the predetermined or predeterminable axial distance from the upper support structure.A second aspect of the invention relates to a device for attaching an advertising medium to a mast construction, comprising: an upper guide fastening which can be fastened to an upper portion of the mast construction; a lower guide fastening which can be fastened to a lower portion of the mast construction or to a foundation of the mast construction; a guide element which can be connected to the upper guide fastening and the lower guide fastening in such a way that it extends between the upper and the lower guide fastening at a predetermined or predeterminable radial distance from the mast construction, in particular vertically and / or parallel or along the mast extension direction; an upper carrier construction which can be brought into engagement with the guide element in order to be guided by means of the guide element; and a lower carrier construction which can be brought into engagement with the guide element in order to be guided by means of the guide element; a lifting device configured to raise or lower the support structures; a connecting element connecting the upper support structure and the lower support structure such that they can be raised or lowered together at a predetermined or predeterminable axial distance from one another, and an advertising support element connectable to the upper support structure and / or to the lower support structure such that it extends at least in regions between the upper and lower support structures, wherein the guide element is a guide cable that can be tensioned between the upper and lower guide fastenings, and the upper support structure and / or the lower support structure each have a coupling element via which they can be brought into engagement with the guide element.Advantageously, the device can be used to attach a raisable and lowerable advertising carrier to a mast construction in a simple manner. In particular, it is possible to mount the device on site, i.e. to an already erected and / or constructed mast construction. For example, the guide structure, in particular comprising the guide fastening and / or the guide element, can be fastened subsequently to an already existing mast construction. Thereby, mast constructions can also be equipped with the device only two times or the device can be replaced in a simple manner. The guide element advantageously ensures that even in the case of strong wind, the support structures can be raised or lowered with a radial distance from the mast structure, i.e. without coming into contact with the mast structure, guided along the direction of extent of the mast structure.In addition, the device has few components and has a low weight, which is advantageous for production, transport and assembly. The spaced carrier structures provide the possible advertising surface by means of the advertising carrier element arranged therebetween, in which the desired information or advertising can be placed, wherein the dimensions of the advertising surface or of the advertising carrier element can be predetermined or predefined by the length of the connecting element and / or by the configuration of the carrier structures.As a further advantage, no modification and / or no (additional) reinforcement of the mast construction is necessary, since even with too high a wind intensity, for example greater than about 75 km / h, the support constructions can be lowered at any time. This increases the location potential considerably.A mast construction can be or have, for example, a mast or a tower. The mast construction can in particular be or have a substantially perpendicular, pillar-like structure. The mast construction preferably has a small base area compared to its height. For example, the mast construction is or comprises: an antenna / transmitter mast, a loudspeaker mast, a (power) line mast, a cableway support, a framework of a tower (construction) crane, a (support) pillar. The mast construction can have a foundation or be fastened to or with this foundation.The mast construction has a mast extension direction substantially parallel to the direction of its greatest extension, for example in the erected state substantially vertically upward. The mast extension direction corresponds in particular to the axial direction of the mast, wherein a radial direction represents a direction perpendicular to this axial direction. An upper portion of the mast construction is preferably positioned higher than the lower portion of the mast construction compared to the ground and / or the surface of the earth. An upper portion of the mast structure may be, for example, a portion of the mast structure having a height of about 5 m, 10 m, 20 m or more. A lower portion of the mast structure may be, for example, a portion of the mast structure having a height of about 0 m, 1 m, 2 m or less.The advertising medium element can provide an advertising surface which is positioned and / or can be spanned at least partially between upper and lower carrier structures. The advertising medium element can have, for example, an advertising medium film and / or an advertising medium banner and / or an advertising medium panel and / or an advertising medium screen and / or another advertising medium object suitable for this purpose with an advertising surface.The advertising medium element may also have, as described in detail below, an inflatable air cushion element which itself contains or represents the advertising surface, or which is configured to tension and / or tauten an advertising medium film or the like in the inflated state.In the inflated state, the air cushion element is positioned in particular at a distance from the mast construction and / or is not coupled to the mast construction in a force-fit and / or form-fit manner. Due to the radial distance from the mast construction, the carrier constructions can be moved at any time even in the case of strong wind. In other words, the upper support structure with the inflatable air cushion element is displaceable in the mast extension direction in the inflated state. A compression of the air cushion element before displacing, in particular lowering, the support structures is thus not necessary, so that it is possible to react more quickly to changing environmental conditions, in particular refreshing wind.The advertising surface can have information, in particular advertising. For example, information may be printed and / or painted and / or colored and / or projected thereon.The guide element may be rigid, such as a rod, rail or rod. Preferably, however, the guide element is substantially flexible, such as a guide (wire) rope or guide chain, that is tensionable between the upper and lower guide mounts. This is advantageous in particular with regard to production, transport and assembly.The guide element is preferably attached to the mast construction in such a way that the upper carrier construction and the lower carrier construction which are in engagement therewith or are guided thereby cannot come into contact with the mast construction. For example, the guide element is a guide (wire) rope that is substantially tautly tensioned between the upper guide fixture and the lower guide fixture, so that it describes a substantially straight line with substantially constant distance from the mast construction, even at high wind strengths.The device preferably has two, three, four or more guide elements in order to ensure increased (pivot) stability, in particular for absorbing moments of the support structure(s). Preferably, the device has a guide element at each corner of the mast construction, for example in the case of 3-corner or 4-corner mast constructions. Each guide element can be attached to the mast structure via its own upper and / or lower guide attachment. The guide attachments can be designed, for example, to be attached to the mast structure by screwing, clamping or also welding. However, the lower guide fastening can also be fastened to the foundation of the mast construction or to the ground, for example by means of a ground anchor or the like.The upper carrier construction and the lower carrier construction can each have one coupling element per guide element, via which it can be brought into engagement with the respective guide element. The coupling element can be arranged radially on the inside of the upper or lower carrier construction. The coupling element can be a slide bearing or slide bearing which allows displacement in the direction of extension of the guide element or of the mast construction and restricts or prevents displacement in a plane transversely to the direction of extension of the guide element or of the mast construction.Furthermore, the guide element is preferably arranged radially inward of the support structure and / or between the mast structure and the support structure. This enables a more compact guide fastening and / or better visibility of the weaving carrier element.For example, a coupling element can be a (wire) cable guide sleeve through which the guide (wire) cable can be passed. The (wire) cable guide sleeve and the guide element can form a slide bearing. The ends of the (wire) cable guide sleeve can be bent and / or widened, as a result of which low-wear guiding can be achieved. A corresponding embodiment represents a particularly simple and cost-effective solution.Alternatively, a coupling element may be or have a guide roller construction, the running surface of which comes into contact with the guide element, wherein the guide roller(s) can run along the guide element. A further alternative is a combination of a guide chain with a corresponding chain guide bearing.The upper and / or lower support structure may comprise a linkage and / or one or more profiles and / or a framework structure. The upper support structure and the lower support structure may have a substantially identical or similar shape, in particular in plan view. Preferably, the upper support structure and the lower support structure can be mounted one above the other or one below the other in such a way that, viewed in the mast extension direction, the support structures substantially overlap.Alternatively, the one carrier construction can be dimensioned larger in the radial direction than the other carrier construction, so that a bumper for avoiding possible contacts of the advertising carrier element by crane ropes and / or for providing an advertising surface, optionally inclined upwards or downwards.The upper and / or lower support structure can have or form a platform which, in the state in which it is attached to a mast structure, is oriented substantially horizontally.Preferably, the upper support structure and / or the lower support structure surrounds the mast structure at least in regions, for example in an angle range of approximately 180°, further preferably substantially completely, i.e. in an angle range of 360°. For this purpose, the upper and / or the lower support structure can be formed in multiple parts, so that they can be arranged on site around the mast structure for assembly and subsequently connected to one another, for example screwed together.The upper support structure is preferably designed to function as a support for electronics and / or devices for controlling and / or controlling components of the device. This may be advantageous for production, transport and assembly.The lifting device for displacing the carrier construction(s), in particular for selectively raising and lowering the carrier constructions, preferably comprises a lifting (wire) rope or a lifting chain, which is fastened to an upper portion of the mast construction, and a drive, for example a motor with a rope winch and / or chain winch and / or drum for winding / unwinding the lifting (wire) rope or the lifting chain. The lifting (wire) rope or the lifting chain may be attached to the upper guide fixture. As a result, no additional mounting and / or fastening is necessary. Alternatively, a separate attachment is provided which is attachable to the mast structure.Alternatively, the lifting device can have one or more drivable drive rollers which can be coupled or brought into engagement with the mast construction in such a way as to displace the carrier construction(s) along the mast extension direction. The mast construction can serve as a rail along which the drive roller rolls or on which the drive roller is guided.The lifting device may be connected to the upper support structure. In particular, the above-mentioned drive of the lifting device, which is connected to the lifting (wire) rope or the lifting chain, can be mounted on the upper support structure. The lower support structure, on the other hand, can be connected to the lifting device only indirectly, namely via the connecting element, which simplifies production and assembly.The connecting element for connecting the upper support structure to the lower support structure is configured to limit the distance between the support structures substantially parallel to the mast extension direction and / or to the axial direction of the guide element. In particular, the connecting element is designed to limit a displacement of the upper carrier structure away from the lower frame structure.The device can have a plurality of connecting elements which are preferably arranged substantially uniformly spaced apart from one another. For example, two, three, four or more connecting elements can be provided, wherein the number of connecting elements can correspond to the number of guide elements.Since the upper and lower carrier structures are mechanically connected to one another by the connecting element, the lifting device only has to be directly connected to one of the carrier structures in order to displace the two carrier structures together. If the connecting element is rigid, for example as a connecting rod or connecting frame, the lifting device can also be directly connected to the lower carrier structure, since the connecting element can also transmit compressive forces to the upper carrier structure.Preferably, however, the connecting element is a flexible connecting element, in particular a connecting (wire) cable and / or a connecting chain. This is particularly advantageous since a frictional connection between the carrier structures is effected when the upper carrier structure is displaced upwards only when the predetermined distance is reached or when the connecting element is tensioned, wherein on the other hand the upper carrier structure can be approached to the lower carrier structure, whereby the carrier structures together with the connecting element can be brought into a compact form in a simple manner, for example for transport and also during operation, for example at high wind intensities.The advertising carrier element preferably has an inflatable air cushion element, which is preferably connected to the upper carrier construction and, in the inflated state, extends from the upper carrier construction in the axial direction towards the lower carrier construction. Such an advertising medium element can be produced, transported and mounted in a simple manner, and enables the provision of an visually appealing and / or customizable advertising surface. In particular, such a weaving beam element is particularly light, so that no reinforcement of the mast construction is necessary and / or the components of the device, in particular the beam constructions and the lifting device, need only be designed for low loads. This saves resources and / or assembly effort. In addition, the apparatus can be compactly stored and transported.The air cushion element can itself serve as advertising medium and provide the advertising surface and / or serve as tensioning element for an additional advertising medium film or the like.Preferably, the air cushion element is attached to the upper support structure, in particular to the lower side thereof. The air cushion element can be inflatable and / or fillable with a fluid, in particular (ambient) air. The air cushion element may extend and / or spread towards the lower support structure in the inflated state.Preferably, the air cushion element substantially completely bridges the predetermined or predeterminable distance of the carrier structures from one another in the inflated state. In the inflated state, the air cushion element can also contact the lower support structure, in particular the upper side thereof. Further preferably, the air cushion in the inflated state has an overpressure in comparison to the environment, so that the air cushion presses the carrier structures apart. This is advantageous since the carrier structures thus form a stable unit, in particular in the case of a flexible connecting element.Preferably, the air cushion element is arranged and configured such that there is no contact with the mast structure. In other words, the air cushion element is preferably arranged at a distance from the mast construction, both in the inflated and in the empty state. This ensures displaceability of the carrier structures. In addition, the air cushion member is protected from damage by contact with the mast structure.The air cushion element is preferably substantially impermeable to air and is sealed, so that no permanent introduction of fluid is necessary. This enables low-energy and / or low-emission operation of the device. Furthermore, it enables a statically unambiguous load calculation.The advertising medium element can have a plurality of air cushion elements. Particularly advantageous, exemplary arrangements of air cushion elements are described with reference to the figures. Preferably, the plurality of air cushion elements together substantially completely surround the mast structure.For filling and / or emptying the air cushion element, the apparatus can have an inflating device, for example a pump and / or a blower, in particular an electric air pump, for inflating the inflatable air cushion element. This can be mounted, for example, on the upper support structure. The inflator can also be configured to selectively exhaust the fluid or air from the air cushion member. The apparatus may also include a plurality of inflator devices preferably mounted to the upper support structure. In particular, in the presence of a plurality of air cushion elements, one inflator per air cushion element can be provided.Preferably, the advertising carrier element can further comprise an advertising carrier film, in particular a weaving banner and / or a canvas, which can be connected to the upper carrier construction and to the lower carrier construction. The advertising medium foil is preferably arranged radially outside of the air cushion element and / or is tensioned and / or tightened by the air cushion element in the inflated state.Such an advertising medium element has the advantage of enabling a functional separation of stretches and / or stretches and the advertising surface. As a result, both components can be optimized and / or replaced and / or replaced in a simple and favorable manner. For example, the information and / or advertising of the advertising surface can be replaced in a simple manner. Furthermore, this increases the design freedom, in particular the selection of material.The advertising medium foil can be made in particular of PVC. The advertising carrier film can preferably be a "back lit banner", which can be backlighted and are substantially impermeable to air, whereby particularly good visibility of the information is obtained.An advantageous, non-destructively reversible fastening of the advertising medium film can be implemented, for example, by means of a piping connection and / or a connection similar to a curtain rail or curtain rail. The advertising carrier film can have a welded-in and / or welded-in piping (core) at an upper and / or lower end, which can be introduced into a piping rail arranged on the upper and / or lower carrier construction, in particular on the radially outer edge thereof. Alternatively or additionally, the advertising carrier film can have, at an upper and / or lower end, eyes which can be connected and / or narrowed to the upper and / or lower carrier construction by means of a (wire) cable. Likewise, for a particularly simple assembly, a combination of piping connection at one end, in particular at the upper end, and eyes at the other end, in particular at the lower end, is possible. The advertising carrier foil can substantially completely surround the mast construction.The apparatus can preferably have an illumination device. In this case, in the inflated state of the air cushion element, a free space can be provided at least in regions between the air cushion element and the advertising medium film, which free space can be illuminated by means of the illumination device in order to illuminate the advertising medium film from behind. In this case, the air cushion element can have a highly reflective surface and the advertising medium foil can be partially transparent. The illumination device can be mounted on the upper support structure and face the free space, for example.Alternatively or additionally, an illumination device can be provided in the interior of the air cushion element, which illuminates the air cushion element from the inside. An at least partially transparent surface of the air cushion is advantageous. Alternatively or additionally, an illumination device can illuminate and / or irradiate the air cushion element or an advertising medium foil from radially outside.The information and / or advertising can be particularly well recognized and / or visible and / or conspicuous and can be displayed in a simple manner by means of a lighting device.Alternatively or additionally, the advertising medium film itself can have luminous elements.The device can furthermore have a control unit for controlling and / or regulating the device, in particular the lifting device. The device preferably further comprises a wind sensor which is communicatively connected, in particular by wire or wirelessly, to the control unit. Preferably, the control unit is configured to automatically lower the support structures when the wind intensity detected by the wind sensor exceeds a predetermined and / or predeterminable wind intensity. As a result, a load on the mast construction by the device can be limited, which is why no additional reinforcement of the mast construction is necessary. In particular, it is thus possible to ensure compliance with the maximum permissible loads of the mast construction. Redundant wind sensors can optionally be provided.With such a control unit, simple handling and / or increased operational reliability of the device can be achieved. By means of an automated lifting, for example with reduced wind power, a maximum advertising efficiency can be ensured. It is conceivable that weather forecasts, in particular wind forecasts, and / or measured values from measuring stations in the environment are evaluated and taken into account for the automated control.Furthermore, the device can have a height sensor which can determine the height and / or position of the support structure(s) and, preferably, communicate to the control unit. As a result, the support structures can be displaced, for example, at certain wind intensity levels to associated lowering levels, in particular by means of the control unit. Likewise, when the corresponding wind intensity level is undershot, the carrier structures can be displaced to a higher lowering level, in particular by means of the control unit.The inflator of the device can further be configured to deflate the air cushion element and / or discharge the air from the inflated air cushion element. As a result, lowering of the upper support structure relative to the lower support structure and / or compression of the air cushion element can be facilitated and / or accelerated.Alternatively or additionally, the apparatus can have a compression device with a compression cable or a compression chain between upper and lower carrier structures, wherein the compression device can actively reduce a distance between the carrier structures by getting in and / or winding up the compression cable or the compression chain. As a result, a particularly rapid compression and / or space-saving stowage of the carrier structures can be achieved. The compression device can alternatively or additionally be designed to retract and / or roll up the flexible connecting element. This makes it possible to dispense with the provision of an additional compression cable and / or an additional compression chain. The drive of the compression device, for example comprising a cable winch and / or chain winch and / or drum for winding / unwinding the compression cable or the compression chain, can be mounted on the upper carrier structure, whereas the compression cable or the compression chain can be connected to the lower carrier structure.Optionally, the apparatus has an operating unit which is connected to the control device in a communicative, in particular wired or wireless manner and enables the control device to be checked and / or controlled. In particular, the operating unit can enable manual raising or lowering of the carrier construction(s) and / or inflation or emptying of the air cushion element and / or switching of the lighting device.Furthermore, the device can have a (locking) brake for at least temporarily locking the position of the frame structure(s).The upper carrier construction and / or the lower carrier construction can comprise a carrier inner ring and a carrier outer ring, wherein preferably the carrier outer ring is rotatably mounted relative to the carrier inner ring, so that at least the advertising carrier element is rotatable relative to the mast construction.Such an embodiment represents a simple and / or light and / or cost-effective construction, which enables the advertising surface to be rotatable. As a result, the information and / or advertising can be aligned relative to the mast construction in a predeterminable and / or predetermined manner. Furthermore, the advertising surface can be rotated at least temporarily, as a result of which particularly striking and effective advertising can be achieved.Preferably, a rotational position of the carrier outer ring can be fixed and / or fixed at least temporarily. The device can have a rotational drive for rotationally driving the carrier outer ring.The carrier inner ring is preferably guided by the guide element or the carrier inner ring has the coupling element. Carrier inner and carrier outer rings can be connected rotatably with respect to one another by means of struts and / or a framework structure.Preferably, the support structures are, in the state in which they are attached and / or mounted on a mast structure, arranged closed and / or fully encircling around the mast structure. It is preferred here that the carrier structures are each designed in modular fashion, for example in two parts, three parts or four parts, so that they can be attached and / or mounted to a mast structure in a simple manner and in particular subsequently.The device can have a display panel for displaying information, in particular advertising, in particular moving images. The display panel is preferably connected to the lower support structure such that the display panel extends substantially obliquely upwards and radially outwards from a radially outer edge of the lower support structure. Such a display panel serves as an additional advertising panel. Moreover, the display panel may be oriented obliquely downward, thereby achieving better visibility from a lower position. The display panel also serves as an additional protection of the advertising carrier element, for example against ropes and / or chips of a construction crane mast construction. Furthermore, the display panel can serve as a trap basket and as a lateral visual protection and / or cover in the retracted and / or compressed state of the carrier constructions.The display panel can have, in particular, one or more digital displays, for example LCDs. Preferably, one or more display panels are arranged substantially fully around the mast construction.The device can furthermore have a pivoting device for pivoting, in particular moving and / or tilting, the display panel(s), for example for adjusting the orientation angle in order to optimize the visibility at a specific position around the mast construction.The control unit is preferably designed to control the lifting device and / or the inflator and / or the lighting device and / or the display panel and / or all or part of the further devices described above. Alternatively or additionally, the control unit can be designed to enable remote maintenance of the installation and / or the feeding of digital information / advertising content, preferably in real time.A further aspect of the invention relates to a mast construction comprising a device as described in the process.The mast construction can be or have, for example, a mast or a tower. The mast construction can in particular be or have a substantially perpendicular, pillar-like structure. The mast construction preferably has a small base area compared to its height. For example, the mast construction is or comprises: antenna / transmission mast, (electric) line mast, cableway support, support structure of a tower crane, (support) pillar. The mast construction can have a foundation or be fastened to or with it.The mast structure may include a plurality of the devices.Individual embodiments for achieving the object are described below by way of example with reference to the figures. In this case, the individual embodiments described have in part features which are not absolutely necessary in order to carry out the claimed subject matter but which provide desired properties in certain application cases. Thus, embodiments are also to be considered as disclosed falling under the described technical teaching, which do not have all features of the embodiments described below. Further, in order to avoid unnecessary repetition, certain features are mentioned only with respect to individual ones of the embodiments described below. It is pointed out that the individual embodiments should therefore be considered not only on their own but also in combination. From this summary, those skilled in the art will recognize that individual embodiments may also be modified by incorporating single or multiple features of other embodiments. It is noted that a systematic combination of the individual embodiments with single or multiple features described with respect to other embodiments may be desirable and reasonable and therefore is to be considered and also considered to be encompassed by the description.Brief Description of the DrawingsFIG. 1 shows an example mast construction with an example device for attaching an advertising medium to the mast construction; FIG. 2 shows a view in the mast extension direction of an exemplary mast construction with exemplary guide attachments; FIG. 3 shows exemplary embodiments of a carrier construction with a plurality of advertising carrier elements; FIG. 4 shows an exemplary device attached to a mast structure in various states; FIG. 5 shows another exemplary device attached to a mast structure, the device having a display panel for displaying information; FIG. 6 shows a device with a tilted display panel for displaying information.Detailed Description of the DrawingsFIG. 1 shows an exemplary mast construction 1 with an exemplary device 10 for attaching an advertising medium to the mast construction 1 in a lateral sectional view.In the example shown, the mast construction 1 has a lattice mast of a construction crane, which is anchored in the ground by a foundation 2. The mast construction 1 is oriented substantially vertically.The device 10 is arranged on the mast construction 1 and is located on an upper section 1 aof the mast construction 1. The predetermined axial distance A is defined by the connecting elements 26, for example (wire) connecting elements, which are tensioned between the carrier structures 20, 22. The connecting elements 26 are stretched and / or held under tension, for example, by the weight of the lower support structure 22.In the example shown, the carrier structures 20, 22 are arranged substantially fully circumferentially and / or fully circumferentially around the mast structure 1.The upper and lower carrier structures 20, 22 each have a (wire) cable guide sleeve 30 as coupling element 18, which are coupled displaceably to the guide elements 16. In the example shown, the guide elements 16 are guide (wire) ropes stretched between the upper and lower guide attachments 12, 14 and have a predetermined and / or predeterminable distance from the mast construction 1. Alternatively, the guide members 16 may be fixed to the foundation 2 instead of the lower guide fixtures 14 disposed at a lower portion 1 bof the mast structure 1.Preferably, the guide (wire) ropes 16 and / or the guide attachments 12, 14 are additionally connected to the mast structure 1 via an anchor, whereby the guide (wire) ropes 16 can be provided tensioned in such a way that they have a high bending strength and thus high stability against a side load by wind. As a result, lateral loads can be compensated and / or absorbed reliably, such that the carrier structures 20, 22 do not contact the mast structure 1 even in the case of strong wind and at the same time remain displaceable in the mast extension direction.For displacing the carrier structures 20, 22, in particular for raising or lowering the carrier structures 20, 22, the device 10 has a lifting device 24. The lifting device 24 shown in the example comprises a lifting cable 24 which is fastened to an upper section 1 aof the mast structure 1 and a drive, for example a lifting motor 24 b, which is arranged on the upper carrier structure 20. The hoist motor 24 bis configured to catch or release the hoist rope 24 to raise and lower the support structures 20, 22, respectively. For example, the lifting cable 24 can be wound onto a roll and / or drum or can be unwound from a roll and / or drum, wherein the lifting motor 24 bdrives the roll and / or drum.In particular, the lifting device 24 is configured to displace the upper support structure 20 relative to the mast structure 1 substantially in the mast extension direction and / or substantially vertically. However, by connecting the lower support structure 22 to the upper support structure 20 by the connecting elements 26, a displacement of the upper support structure 20 is transmitted to the lower support structure 22, so that the latter is substantially identically and / or correspondingly displaced together.In this example, the connecting elements 26 are flexible and / or designed as (wire) ropes. This allows a force transmission to the lower carrier construction 22 only when the predetermined axial distance A and / or extended and / or tensioned connecting elements 26 is reached. however, such a flexible connecting element 26 offers the advantage that a distance between the carrier constructions 20, 22 can be less than the distance A, for example when the lower carrier construction 22 abuts against a stop and a further lowering of the lower carrier construction 22 is prevented. As the upper support structure 20 is lowered further, it approaches the lower support structure 22, whereby a compressed state of the support structures 20, 22 can be achieved.The device 10 further comprises two air cushion elements 42 which are arranged between the carrier structures 20, 22. In FIG. 1, the air cushion elements 42 are shown in an inflated state. Preferably, the air cushion members 42 are coupled to the upper support structure 20 and abut the lower support structure 22. In particular, the air cushion elements 42 are shaped and provided with an overpressure, for example approximately 1.5 bar, such that they press the carrier structures 20, 22 apart and tension the connecting elements 26. This increases the stability of the overall construction.The device 10 further comprises an advertising medium foil 44 which is arranged radially on the outside of the air cushion elements 42 and is tensioned radially on the outside by the air cushion elements 42. As a result, the web area 41 provided by the advertising carrier film 44 is substantially wrinkle-free and / or tensioned in order to obtain a good presentation of information, in particular advertising, on the advertising area 41.For example, the advertising medium sheet 44 may be attached at its upper end to the upper support structure 20 by a piping connection and at its lower end to the lower support structure 22 by an eyelet (wire) cable connection.The air cushion elements 42 are each illuminated by means of an illumination device 46 in order to achieve a particularly good presentation of the information and / or advertising.The one (left) air cushion element 42 has an illumination device 46 in the interior, so that the air cushion element 42 is illuminated from the inside. By means of a suitable, at least partially light-transmissive material, at least in regions on the radially outwardly directed surface, the advertising medium film 44 can thus be illuminated by the illumination device 46.The other (right) air cushion element 42 has an illumination device 46 between the air cushion element 42 and the mast construction 1, for illuminating the advertising medium foil 44 through the air cushion element 42. A material with high light transmission on the inner side of the air cushion element 42 is advantageous, so that light reaches the web carrier film 44 sufficiently.The exemplary apparatus 10 further comprises a control unit 32 for controlling and / or regulating and / or controlling the lifting device 24 and / or the inflator 38. Preferably, the control unit 32 is arranged on the upper support structure 20. Furthermore, all units and / or devices for controlling and / or controlling and / or influencing the device are preferably arranged on the upper carrier structure 20, whereby maintenance and commissioning is facilitated in particular.The apparatus 10 may further include one or more wind sensors 34 for measuring wind strength and / or wind speed. Preferably, the upper support structure 20 comprises at least one wind sensor 34, so that the wind speed can be measured at the height of the upper support structure 20. The signal of the wind sensor 34 is preferably transmitted to the control unit 32 (wired or wireless), wherein the control unit 32 preferably automatically initiates lowering of the support structures 20, 22 when the measured wind strength reaches and / or exceeds a predefined maximum wind strength. As a result, overloading and / or damage to the device 10 and / or the mast construction 1 can be reliably prevented.The apparatus 10 may include a height sensor and / or position sensor 36 that measures the height and / or position of the support structures 20, 22. The height and / or position thus measured can be taken into account by the control unit 32 for controlling the raising or lowering of the carrier structures 20, 22. For example, (pre-)determined lowering stages can be defined for associated wind strengths, which are approached in the case of a corresponding situation.In order to maintain the inflated state of the air cushion elements 42, a controllable valve 39 can be arranged between the inflator 38 and the air cushion elements 42 which, after the inflated state has been reached, blocks. To exhaust the air cushion members 42, the valve 39 may be opened to allow the fluid to escape from the air cushion members 42. The valve 39 and inflator 38 may be controlled and / or controlled by the control unit 32.A power supply for the control unit 32 and / or the lifting device 24 and / or the wind sensor 34 and / or the height sensor 36 and / or the inflator 38 and / or the lighting devices 46 can be provided, for example, by means of a power cable connected to the local power supply. Alternatively, an energy store, in particular a battery and / or a rechargeable battery, and a generator unit, for example a solar panel and / or a wind turbine, can be provided, such that the device can be operated substantially autonomously.FIG. 2 shows a view in the mast extension direction (top view) of an exemplary mast construction 1 with exemplary guide attachments 12 / 14.The exemplary mast construction 1 is rectangular and comprises at each corner a guide attachment 12 / 14 for attaching a guide element 16, respectively. With such a or similar implementation, a particularly secure attachment of the support structures 20, 22 to the mast structure 1 can be effected. In particular, torques and transverse forces acting on the carrier structures 20, 22 can be compensated and / or dissipated in a particularly advantageous manner via the plurality of guide elements 16.The guide attachments 12 / 14 are preferably designed such that the guide elements 16 have an appropriate distal distance from the mast construction 1, so that contact with the mast construction 1 is prevented when the guide elements 16 and / or the carrier constructions 20, 22 are displaced slightly. The longer the guide elements 16 and / or the higher the deflection capacity of the guide elements 16 are or is orthogonal to the mast extension direction, the greater the distance between the guide elements 16 and the mast construction 1 is to be.In the case of a 3-cornered, 5-cornered or X-cornered mast construction 1, correspondingly 3, 5 or X guide attachments 12 / 14 are advantageous in order to obtain particularly good stability, in particular with respect to lateral wind loads.FIG. 3 shows exemplary embodiments of a carrier construction 20 / 22 with a plurality of advertising carrier elements 40.FIG. 3 a) shows a support structure 20 / 22 arranged around a mast structure 1, which support structure has a substantially round support inner rim 23 aand a 4-corner support outer rim 23 bconnected to the support inner rim 23 a. The carrier outer rim 23 bmay be configured to be rotatable around the carrier inner rim 23 and / or around the mast construction 1 or substantially fixed relative thereto.Preferably, the carrier inner rim 23 ais mounted on the mast structure 1 via coupling elements 18 (not shown) with guide elements 16 (not shown).In the exemplary embodiment of the apparatus 10 shown, a plurality of air cushion elements 42 are arranged on the support structure 20 / 22. The air cushion elements 42 are substantially cuboidal and are positioned in such a way that the radial outer sides of the air cushion elements 42 substantially correspond to the radial outer edges 22 aof the carrier construction 20 / 22. The air cushion members 42 may be fluidly connected to and inflated by one or more inflator devices 38, preferably substantially simultaneously and / or the like.Furthermore, an advertising medium foil 44 is provided radially on the outside around the air cushion elements 42, the radially outwardly directed surface of which represents at least a part of the advertising surface 41. Preferably, the advertising medium film 44 is in contact with the air cushion elements 42 in the inflated state thereof at least in regions and is pressed radially outwards by the latter and thereby tensioned.FIG. 3 b) shows a support structure 20 / 22 as in FIG. 3 a), wherein however air cushion elements 42 with a different shape and a different position are provided. In this exemplary embodiment, an air cushion element 42 is arranged on an outer corner of the carrier structure 20 / 22 in such a way that the air cushion elements 42 in the inflated state press the advertising carrier film 44 distally outward at the outer corners of the carrier structure 20 / 22, so that the advertising carrier film 44 is substantially tensioned and / or wrinkle-free, even in the regions between the air cushion elements 42. The air cushions 42 can be cylindrical or elongated and / or oval or angular in cross section, for example.A corresponding or similar embodiment has the advantage that the volume of the air cushion elements 42 is small and thus the time and energy for inflation can be reduced. The weight of the device 10 can also be reduced as a result.As illustrated, lighting devices 46 are arranged in the free spaces between the air cushion elements 42 for illuminating the advertising medium film 44 from radially inside and / or behind. This allows advantageous illumination of the web carrier elements 40, in particular of the advertising surface 41, to be achieved. Alternatively or additionally, the advertising medium film 44 can be irradiated from behind with a projector, so that the projection on the outer web surface 41 is visible. This makes it possible to easily display changing information and / or moving images and / or movies on the advertising surface 41.FIG. 3 c) shows a support structure 20 / 22 with a round radial outer edge 22 a. Such an embodiment is simple in construction and in particular advantageous with continuous or intermittent rotation of the outer carrier ring 23 bacross the inner carrier ring 23 a, since the air resistance during rotation is lower than in the case of an angular outer contour of the carrier structure 20 / 22.The device 10 of FIG. 3 c) does not have an advertising carrier film 44. In this embodiment, the radially outward surface of the cushion element 42 or the cushion elements 42 represents the weave surface 41.FIG. 4 shows an exemplary device 10 attached to a mast construction 1 in various states.First, the support structures 20, 22 are in a compressed state and / or in a resting state and / or in an initial position (a)). The support structures 20, 22 are preferably located close to the foundation 2 and / or close to the ground. In this state, the device 10, in particular the support structures 20, 22, has a small wind contact surface and generates a low wind load on the mast structure 1.If, for example, the wind sensor 34 detects a wind intensity that is permissible for the operation of the device 10 for a certain period of time, the support structures 20, 22 can be raised (b)-c)). In this case, for example, the upper support structure 20 is raised by means of a lifting device 24 (not shown). When the maximum axial distance A between the support structures 20, 22 and tensioned connecting elements 26(b)) is reached, the lower support structure 22 is also raised (c)).Once these have reached the predetermined operating height and / or operating position, the air cushion elements 42 are inflated via the inflators 38 (d)). Preferably, the air cushion members 42 are secured to the upper support structure 20 and approach and / or contact the lower support structure 22 upon inflation of the lower support structure 22.During the operating time, the device 10 can now react at any time and quickly and easily to increasing wind loads. For example, when a wind intensity above a predetermined maximum wind intensity is detected, the support structures 20, 22 with inflated air cushion elements 42 can be automatically lowered to a lower height and / or position, so that the wind load on the mast structure 1 falls to an acceptable level (e)). This condition can be maintained as long as the measured wind intensity is permitted for this position.If the measured wind strength allows the support structures 20, 22 to be raised up to a corresponding height and / or position (d)).However, if the wind intensity increases or generally exceeds a maximum value for the operation of the apparatus 10, the support structures 20, 22 may be brought into a compressed state (initial state) by exhausting and / or exhausting the air cushion members 42 and lowering the upper support structure 20(f)).The discharge and / or emptying of the air cushion elements 42 at a low height and / or position is advantageous in particular since generally small wind strengths prevail there and a disadvantageous deformation of the air cushion elements 42, in particular towards the mast structure 1, during the discharge and / or emptying can be prevented, but at least reduced.In order to prevent such a deformation of the air cushion elements 42 or even a coming into contact with the mast construction 1, a compression device is advantageous which is designed to actively approach the upper carrier construction 20 to the lower carrier construction 22 during the emptying and / or emptying of the air cushion elements 42. Preferably, the air cushion elements 42 are compressed, whereby the stability of the air cushion elements 42 during emptying and / or emptying is sufficiently maintained, so that disadvantageous deformation, in particular orthogonally to the mast construction 1 and in particular under the influence of lateral wind, can be prevented, at least reduced.However, the device 10 is likewise designed to discharge and / or deflate the air cushion elements 42 at any desired height and / or position of the carrier structures 20, 22.The support structures 20, 22 can be raised again at any time with suitable wind strengths (b)(c)).FIG. 5 shows a further exemplary device 10 attached to a mast construction 1, wherein the device 10 has a display panel 50 for displaying information.As shown, in this embodiment, the hoist cable 24 aof the hoist 24 is attached to an upper guide mount 12. This offers the advantage that no additional fastening device for the lifting device 24 has to be mounted on the mast construction 1.Also, the guide elements 16 are directly fixed to the foundation 2, whereby no lower guide attachments 14 need be mounted on the mast construction 1.In the example shown, the lower support structure 22 protrudes radially outwards beyond the upper support structure 20 and / or the web support film 44.On the protruding region of the lower carrier construction 22, in particular on or near the radial outer edge 22 a, display panels 50 are arranged, which have, for example, digital screens for additionally displaying information, in particular moving images.In addition, the protruding region of the lower support structure 22 offers the advantage that possible collisions with, for example, crane ropes (in particular when the device is arranged on a construction crane mast) are intercepted and damage to the upper support structure 20 and / or the web support elements 40 is prevented.Furthermore, the protruding region can serve as a running surface, whereby installation and uninstallation of the advertising medium elements 40, in particular the advertising medium foil 44, and / or maintenance of the device 10 is facilitated and the safety for the maintenance personnel is increased.FIG. 6 shows a device 10 with a tilted and / or pivoted display panel 50 for displaying information.An inclination of the display surface 51 of the display panel 50 outwards and downwards is advantageous, since a better visibility and / or recognizability of the information from a position below the display panel 50 is thus achieved.Preferably, the apparatus 10 may include a pivot 52 for controlling the angle of inclination of the display panel 50. For example, in a higher position of the support structures 20, 22, the display panel 50 may be tilted more towards the floor 4 and less strongly in a lower position. The pivoting device 52 is preferably connected to the control unit 32 and can be controlled by the latter, preferably in an automated manner.As depicted, the apparatus 10 includes a connecting member 26 that is attached to the coupling members 18 of the support structures 20, 22 to maintain a maximum distance A between the support structures 20, 22. This can be provided in addition or alternatively to one or more connecting elements 26 which are fastened directly to the carrier structures 20, 22.List of reference characters1 Mast construction 1 a Oberer portion of the mast construction 1 b Unterer portion of the mast construction 2 Foundation 4 Floor 10 Device 12 Obere guide attachment 14 Untere guide attachment 16 Guide element 18 Coupling element 20 Obere support construction 22 Untere support construction 22 aRadial outer edge 23 a Träger inner rim 23 b Träger outer rim 24 Lifting device 24 a Hebe cable 24 b Hebe motor 26 Connecting element 30 (wire) cable guide sleeve 32 Control unit 34 Wind sensor 36 Height sensor 38 Inflator 39 Valve 40 Advertising support element 41 Advertising surface 42 Air cushion element 44 Advertising support sheet 46 Lighting device 50 Display panel 51 Display surface 52 Pivoting device A Axial distance between the support constructions

Claims

An apparatus (10) for attaching an advertising medium to a mast structure (1), comprising: an upper guide mount (12) attachable to an upper portion (1a) of the mast structure (1); a lower guide mount (14) attachable to a lower portion (1b) of the mast structure (1) or to a foundation (2) of the mast structure (2); a guide member (16) connectable to the upper guide mount (12) and the lower guide mount (14) such that it extends between the upper and lower guide mounts (12, 14) at a predetermined or predeterminable radial distance from the mast structure (1); an upper support structure (20) engageable with the guide member (16) to be guided by the guide member (16); a lower support structure (22) engageable with the guide member (16) to be guided by the guide member (16); a lifting device (24) configured to raise and lower the support structures (20, 22); a connecting member (26) connecting the upper support structure (20) and the lower support structure (22) so as to be raisable and lowerable together at a predetermined or predeterminable axial distance (A) from each other; and an advertising support member (40) connectable to the upper support structure (20) and / or to the lower support structure (22) so as to extend between the upper and lower support structures (20, 22); wherein: the lifting device (24) is connected to the upper support structure (20), and the connecting element (26) is a flexible connecting element, such that the lower support structure (22) can be raised or lowered together with the upper support structure (20) at the predetermined or predeterminable axial distance (A) from the upper support structure (20).The device (10) of claim 1, wherein the flexible connecting element is a connecting cable or a connecting chain.Device (10) according to claim 1 or 2, wherein the guide element (16) is a guide cable which can be tensioned between the upper and lower guide fastenings (12, 14), and the upper carrier construction (20) and / or the lower carrier construction (22) each have a coupling element (30), via which these can be brought into engagement with the guide element (16).An apparatus (10) for attaching an advertising medium to a mast structure (1), comprising: an upper guide mount (12) attachable to an upper portion (1a) of the mast structure (1); a lower guide mount (14) attachable to a lower portion (1b) of the mast structure (1) or to a foundation (2) of the mast structure (2); a guide member (16) connectable to the upper guide mount (12) and the lower guide mount (14) such that it extends between the upper and lower guide mounts (12, 14) at a predetermined or predeterminable radial distance from the mast structure (1); an upper support structure (20) engageable with the guide member (16) to be guided by the guide member (16); a lower support structure (22) engageable with the guide member (16) to be guided by the guide member (16); a lifting device (24) configured to raise and lower the support structures (20, 22); a connecting member (26) connecting the upper support structure (20) and the lower support structure (22) so as to be raisable and lowerable together at a predetermined or predeterminable axial distance (A) from each other; and an advertising support member (40) connectable to the upper support structure (20) and / or to the lower support structure (22) so as to extend between the upper and lower support structures (20, 22); wherein the guide element (16) is a guide cable which can be tensioned between the upper and lower guide fastenings (12, 14), and the upper carrier construction (20) and / or the lower carrier construction (22) each have a coupling element (30), via which these can be brought into engagement with the guide element (16).Device (10) according to one of the preceding claims, wherein the advertising carrier element (40) comprises an inflatable air cushion element (42), which is preferably connected to the upper carrier structure (20) and, in the inflated state, extends from the upper carrier structure (20) in the axial direction towards the lower carrier structure (22).The device (10) according to claim 5, wherein the advertising carrier element (40) further comprises an advertising carrier film (44), which can be connected to the upper carrier structure (20) and to the lower carrier structure (22), such that the advertising carrier film (44) is arranged radially outside the air cushion element (32) and is tensioned and / or tautened by the air cushion element (42) in the inflated state; wherein preferably the device (10) further comprises a lighting device (46), wherein in the inflated state of the air cushion element (42) a free space is provided between the air cushion element (42) and the advertising carrier film (44), which free space can be illuminated by means of the lighting device (46) in order to illuminate the advertising carrier film (44) from behind.The apparatus (10) of any preceding claim, further comprising: a control unit (32) for controlling the lifting device (24); and a wind sensor (34) connected to the control unit (32), wherein the control unit (32) is configured to lower the support structures (20, 22) when the wind strength sensed by the wind sensor (34) exceeds a predetermined wind strength.The device (10) according to any one of the preceding claims, wherein the upper support structure (20) and / or the lower support structure (22) comprise a support inner ring (23a) and a support outer ring (23b), wherein preferably the support outer ring (23b) is rotatably mounted relative to the support inner ring (23a), such that the advertising support element (40) is rotatable relative to the mast structure (1).The device (10) according to any one of the preceding claims, further comprising a display panel (50) for displaying information, in particular advertising, wherein the display panel (50) is connected to the lower support structure (22) such that the display panel (50) extends substantially obliquely upwards and radially outwards from a radial outer edge (22a) of the lower support structure (22).Mast construction (1) comprising a device (10) according to one of the preceding claims.

Images