DK2278071T3 - Modular platform edge with removable platform edge plate - Google Patents

Description

SPECIFICATION

[0001] The invention relates to a modular platform edge according to the preamble of the main claim, which forms the portion of the flat top of a platform facing the track, which is mounted on at least one front longitudinal support element. The platform edge consists of individual platform edge elements that are fixedly disposed side by side in the longitudinal direction of the platform, and have an undercut on the side facing the track. Each platform edge element is mounted on at least one bearing.

[0002] Platforms at train stations or stops are intended to allow the traveler a safe and convenient entry and egress. The platform edge plays an important part in this regard. Various requirements must here be satisfied. Apart from an optimal height and distance adjustment, in particular personal safety and accessibility to the track bed are important. For this reason, modern platforms exhibit a self-supporting platform edge, under which is present a free space as a refuge niche for persons who wound up in the track bed, and as a cleaning manhole for machines to clean the track bed. In addition, supply lines can advantageously be accommodated in this free space. Modular platforms are also increasingly being built, individually combining prefabricated primary components, predominantly as prefabricated structures consisting of concrete, steel or fiber-reinforced plastic. Both during platform construction and operation, the platform edge is basically subjected to special loads while simultaneously facing the toughest safety requirements.

PRIOR ART

[0003] Known from DE 43 16 203 A1 is a construction kit for erecting a platform with a prefabricated design. The primary component is here comprised of the platform plate aligned orthogonal to the tracks, which is mounted on two longitudinal girders running parallel to the tracks. The length of the track is determined by the number of platform plates laid side by side. Each platform plate exhibits a self-supporting platform edge, under which a free space is located in front of the longitudinal support element. In addition, a nubby step edge is positively integrated into the edge of each platform plate by way of a recess to improve the entry safety.

[0004] Also known from EP 0 865 540 B1 is a modular platform for building over an existing railway station. Disclosed herein is that, the free space of the self- supporting platform edge is at least sectionally interrupted by additional supports that are independently grounded in the track bed given a relatively long length of the platform plates owing to the large width to be built over .

[0005] Known from GB 2 336 611 A is a mobile platform intended for temporary installation, in which the platform plate can be arranged so that it can be moved toward the tracks. The platform plate is mounted by means of a trestle, which is mounted on a grounded support.

[0006] EP 0 357 161 Bl, whose disclosure content is intended to be completely encompassed by the present invention by way of citation, further describes a modular platform with a plurality of side by side platform plates arranged orthogonal to the tracks. On the side facing the tracks, the latter are mounted on a longitudinal girder as the front longitudinal support element arranged parallel to the tracks. In addition, the platform plates are mounted on a second longitudinal girder on the side facing away from the track. Both longitudinal girders are mounted on a shared foundation. The front longitudinal girder is provided with an acoustic panel on its front side facing the track. The platform plate exhibits an integrated self-supporting platform edge that extends over the front longitudinal girder. The latter is joined as a single piece with the platform plate, and not mounted by itself, but only over the platform plate. Given wear or damage to the platform edge, repairs are either initiated locally, or the entire platform plate is replaced or removed for repairs. The self-supporting platform edge not otherwise supported is exposed to special loads even during assembly and removal. The free space can be reached either from the track or by dismantling the platform plate.

[0007] DE 41 35 445 C2 describes a self-supporting platform edge consisting of individual platform edge elements in the form of ready-mixed concrete parts, which are fixedly arranged side by side in the longitudinal direction of the platform. Each ready-mixed concrete part is designed in such a way that various supply lines can run inside of it. The platform edge is mounted in the platform in the direction of the track via a castable butt joint. There exists no structural connection to the platform. Each ready-mixed concrete part rests on a separate bearing in the form of a driven steel girder with a bearing cap. Facing the track, each ready-mixed concrete part exhibits an undercut with a relatively narrow free space, in particular for cleaning the ballast bed. However, such an extremely solid platform edge is relatively complicated to build, since a separate support must be rammed for each ready-mixed concrete part. The supports can here impede the free space. In the event the ready-mixed concrete parts are removed, the supports remain between the platform and track bed.

[0008] Document EP 0 997 581 Al discloses a method for manufacturing a platform, in which blocks of polystyrene are arranged in a configuration essentially corresponding to the shape of the platform to be formed. The upper surface and sides of the blocks are enveloped by plates comprised of a strong material. The platform edge plates are further mounted on brackets.

OBJECT

[000 9] The OBJECT of the present invention is to be regarded as further developing the generic platform edge comprised of individual platform edge elements of the kind described at the outset in such a way as to enable a simple building of the platform edge and a simple and rapid assembly and disassembly. This is to also hold true in particular for modular platforms. In addition, a sufficiently large, unobstructed and relatively quickly accessible free space is to be provided as a refuge niche. The SOLUTION according to the invention for this object may be gleaned from the main claim. Advantageous further developments of the invention are indicated in the subclaims, and will be explained in greater detail below in conjunction with the invention.

[0010] According to the invention, the edge plate is removable, and the bearing bracket can be folded sideways. Apart from concrete, the removable edge plate can consist of a wide variety of materials, for example be comprised of a sandwich/composite, plastic element or wood.

[0011] According to the invention, the edge plate is alternatively designed so that it can be pivoted around a joint by hand or with a drive. The edge plate is preferably pivoted upwardly by means of a rotary cylinder.

[0012] The platform edge according to the invention is self-supporting and detachable. Each platform edge element is designed as a detachable, one-piece platform edge plate, and thus extremely easy to manufacture and handle. The bearing for each platform edge plate is designed as a simple bearing bracket with a horizontal limb and a vertical limb arranged essentially perpendicular thereto. The horizontal limb of the bearing bracket here serves to mount the platform edge plate, and the vertical limb serves as a connection with the front longitudinal support element of the platform. As a consequence, the platform edge plate can be easily mounted and secured to a bearing bracket. Very short execution times result with respect to assembly and disassembly. The bearing bracket is directly connected with the front side of the front longitudinal support element of the platform facing the track. Prior to assembly of the platform edge plate, the bearing bracket is first easily and quickly connected with the longitudinal girder. The bearing bracket can also be assembled and disassembled in a short execution time. Additional ramming operations for mounting the platform edge and obstructive floor supports are completely avoided. In addition, the known undercut is designed as a complete refuge niche in the platform edge according to the invention. The latter is located directly underneath the detachable platform edge, and exhibits a rectangular cross section due to the plateshaped configuration of the platform edge plates and the essentially rectangular configuration of the bearing bracket. The refuge niche is here made large enough in design that it can also be effectively utilized for cleaning purposes and accommodating supply lines. Such large refuge niches are otherwise only known for platforms with protruding platform plates with an integrated platform edge. Therefore, the invention provides a modular platform edge that is self-supporting, and yet easy to assemble and disassemble, which offers a high functionality while simultaneously being easy to handle with short execution times .

[0013] The size and unobstructedness of the refuge niche can advantageously also be improved in the platform edge according to the invention by having the structure of the bearing bracket be completely devoid of struts. As a consequence, no transverse struts disrupt the area underneath the platform edge plate. In order to even then ensure that the bearing bracket is stiff enough to reliably support the platform edge plate, it is further advantageous for the bearing bracket to be designed as a welded-together bracket comprised of an angled U-profile. In particular the lateral limbs of the U-profile impart a special stiffness to the bearing bracket. Finally, an angle 1° to 3° greater than the right angle can advantageously be provided between the horizontal limb and vertical limb of the bearing bracket. This measure imparts a gradient facing away from the track and toward the middle of the platform to the platform edge plate placed on the horizontal limb, so that rain can effectively run off, and does not pool in the edge area. The gradient can then continue in the platform. Additional embodiment details for the bearing bracket may be gleaned from the exemplary embodiments.

[0014] In order to further improve the functionality and stability of the detachable platform edge according to the invention, a connection between the vertical limb of the bearing bracket and the front longitudinal support element can further advantageously be provided by way of a threaded rod in the upper area of the front longitudinal support element and two injection anchors in the middle or lower area of the front longitudinal support element. Reference is again made to the exemplary embodiments with respect to the dimensioning of the individual connecting elements. Let it be noted at this juncture that the bearing bracket can also simply be "hung" on the front longitudinal support element of the platform by way of the vertical limb. To this end, a keyhole-shaped hole is located in the vertical leg at least in proximity to the horizontal leg, and can be pushed and locked into the front longitudinal support element by a bolt that has been undercut or provided with an end element. This makes it especially easy to detach two adjacent bearing brackets together with a mounted platform edge plate, for example by simply lifting out and suspending the entire platform edge plate by means of a hoisting tool that engages into two holes in the platform edge plate. However, achieving an angularly precise alignment of the platform edge plate requires a high accuracy of fit while hanging the bearing bracket, which can only be achieved by a fixed press fit of the keyholeshaped hole behind the undercut of the bolt. For this reason, a simple screw connection between the bearing bracket and longitudinal support element is preferred.

[0015] In addition to being mounted on the bearing bracket, the platform edge plate can also be advantageously mounted on the front longitudinal support element. Since the platform edge is part of the flat top of the platform, the bearing bracket must be positioned underneath the upper edge of the platform relative to the thickness of the platform edge plates. The adjoining platform edge plate can thus also still reach over to the front longitudinal support element, provided the latter protrudes under the platform, for example in the form of a longitudinal girder. In particular when a recess is provided in the end face of the front longitudinal support element, the platform edge plate can be supported hereon. The platform plate can then bump against the recess, wherein the recess is dimensioned based on the difference in thickness between the platform edge plate and platform plate. The platform edge plate and platform come to abut against each other at the same height in a joint that can be filled out with a sealing compound.

[0016] To achieve a reliable, yet easily detachable fastening, the platform edge plate can also advantageously be joined with the bearing bracket in the area of its front edge facing the track, and with the front longitudinal support element in the area of its rear edge facing away from the track, for example by a screw connection via injection anchors. In order to precisely fix the platform edge plate on the bearing bracket before establishing the screw connection, it is further advantageous to provide a latching element on the horizontal limb, which engages into a latching groove on the lower side of the platform edge plate. For example, a simple web at the end of the horizontal limb can here be involved, which by engaging into, e.g., a cast groove on the lower side of the platform edge plate, additionally fixes the latter against sliding out in the direction toward the track.

[0017] The easy detachability of the platform edge plate in the invention permits an easy and quick access to the underlying refuge niche, in particular if a vehicle is located on the tracks, and the refuge niche cannot be accessed from the track. It is here advantageous for the bearing bracket be only half as wide relative to the length of the horizontal limb. Repeatedly arranging the narrow bearing bracket over the longitudinal direction of the platform spaced apart by the width of the platform edge plate then ensures a reliable mounting of the platform edge plates without obstructing the refuge niche. Given a modular structure of the platform comprised of platform plates lying side by side, it is best that the bearing brackets in the lengthwise center be arranged underneath a platform plate. Each platform edge plate can then always be mounted in an especially stable manner on each lengthwise center on two adjacent bearing brackets, wherein adjacent platform edge plates are mounted on a shared bearing bracket, each with a support surface measuring half the width of the horizontal limb.

[0018] Finally, warning marks can be provided on the rear side of the platform edge plate to further improve how the platform edge is secured. Further details about the modular platform edge according to the invention may be gleaned from the following special descriptive section.

EXEMPLARY EMBODIMENTS

[0019] Embodiments of the modular platform edge with detachable platform edge plates according to the invention will be explained in greater detail below based on the schematic figures to provide a further understanding of the invention. Shown on: FIGURE 1 is a detailed cross section in the area of the platform edge, FIGURE 2 is a detailed longitudinal section through the front longitudinal support element, FIGURE 3 is a detailed view of the bearing bracket, FIGURE 4 is a detailed top view of the bearing bracket, FIGURE 5 is a cross section through a platform with a modular structure, and FIGURE 6 is a top view of a platform with a modular design. FIGURE 7s is a cross section with detached edge FIGURE 7b is a top view of bearing brackets that can be folded sideways FIGURE 8a is a cross section with rotatable edge, folded out FIGURE 8b is a cross section with rotatable edge, folded up [0020] Reference numbers not mentioned in the respective FIGURES or description may be gleaned from the other FIGURES and the accompanying description.

[0021] FIGURE 1 shows a detailed cross section of a modular platform edge 01. A detachable platform edge plate 02 with a one-piece design is depicted. For example, the platform edge plate 02 can be designed as a simple ready-mixed concrete plate with a thickness of 12 cm and a width of 94 cm. Over its length, the modular platform edge plate 02 can exhibit modular dimensions of 2.50 m or also of 5.00 m, for example. The platform edge plate 02 is mounted on a bearing bracket 03. To this end, the bearing bracket 03 exhibits a horizontal limb 04 (see FIGURE 3) . For example, a fixed connection with the horizontal limb 04 can be achieved by means of a first screw connection 05 (only denoted by a center line on FIGURE 1). In order to additionally fix the platform edge plate 02 against shifting in the direction toward the tracks, the horizontal limb 04 exhibits a latching element 06, for example a latching web, which engages into a latching groove 07 on the lower side of the platform edge plate 02.

[0022] The bearing bracket 03 is connected with a front longitudinal support element 09 by means of a vertical limb 08. In the exemplary embodiment shown, the connection for vertical load absorption on the front longitudinal support element 09 is established in the upper area of the vertical limb 08 via a threaded rod 10 (e.g., M16) with a cladding tube 11 and a head plate 12, and in the lower area of the vertical limb 08 via two injection anchors 13 (e.g., M16).

[0023] As further evident from FIGURE 1, the front longitudinal support element 09 is designed as a front longitudinal girder 14 (modular) , the end face of which exhibits a recess 15 (see FIGURE 2), upon which the platform edge plate 02 is additionally mounted and secured by means of another screw connection 16 (also only denoted by a center line on FIGURE 1) . In addition, a platform plate 17 is supported or bumps against the recess 15. The height of the latter (e.g., 5 cm) is equal to the difference in thickness between the platform edge plate 02 (e.g., 12 cm thickness) and platform plate 17 (e.g., 17 cm thickness), so that both together form a flat upper side 18 of the platform 21.

[0024] FIGURE 2 presents a sectional detail of the front longitudinal element 09 or front longitudinal girder 14 with a through bore 19 for receiving the threaded rod 10 (see FIGURE 1) . In the exemplary embodiment selected, the longitudinal girder 14 also consists of ready-mixed concrete, and has a width of 30 cm at a height of 65 cm or 60 cm (recess 15).

[0025] FIGURE 3 presents a side view of the bearing bracket 03. As evident, the angle between the horizontal limb 04 and vertical limb 08 is somewhat larger than the right angle (91.2° in the exemplary embodiment), so as to achieve a gradient of the overlying platform edge plate 02 facing away from the track (see FIGURE 1). Also evident are the lateral limbs 20 of an angled, U-shaped steel profile (U300), which are used to angularly weld together the bearing bracket 03 following removal and bending. Diagonal struts have been entirely eliminated.

[0026] FIGURE 4 presents a top view of the bearing bracket 03 in the attachment to the front longitudinal support element 09 or to the front longitudinal girder 14 (without platform edge plate 02 and without platform plate 17), including sections into the planes of the screw connections 10, 13. In evidence is the halved width of the bearing bracket 03 by comparison to the length of the horizontal limb 04 (ratio approx. 1 to 2).

[0027] The following to FIGURES 5 and 6 show an application of the detachable platform edge 01 for a modular platform 20 with a modular construction, as described in the EP 0 357 161 B1 acknowledged at the outset. However, let it be noted at this juncture yet again that the detachable platform edge 01 can also be mounted on any other platform, in particular on conventional, massively constructed platforms with a solid wall, at least as a front longitudinal support element 09.

[0028] However, the advantages of a modularly constructed platform 21 are ideally enhanced by the advantages of the modular, detachable platform edge 01. The modular platform system can be optimally adjusted to the environment. It gives the owner any and every design leeway, even given extreme curved locations. Finished parts designed as plates are easy to install, and result in an easy- and low-maintenance surface configuration, since settlement and puddles are not encountered. Cable routes can be installed and subsequently modified in the hollow space of the bearing structure without getting in the way of rail operations. The ability to upwardly route cables through a borehole at any location eliminates the need for any small shafts in the platform area, and makes it easy to upgrade and retrofit additional technologies (e.g., electrical defrosting systems). Rail operations are hardly impeded at all, since the otherwise required track superstructure is no longer needed while building the structure. The existing vegetation is largely spared in the process. The authorities and general public become more accepting, since all construction work is predominantly only performed in the subseguent construction streets.

[0029] FIGURE 5 presents a schematic cross section of a modular platform 21. The detachable platform edge 01 and how it relates to the platform 21 are readily visible. Clearly discernible in particular is the achieved, especially large refuge niche 22 underneath the bearing bracket 03 next to the track bed 23 with the tracks 24.

[0030] The modular platform 21 essentially consists of platform plates 17 laid orthogonal to the tracks 24. They are mounted on the front longitudinal girder 14 and on a rear longitudinal girder 25. Both longitudinal girders 14, 25 are mounted in a shared foundation 26, which is grounded frost-free on the concrete subbase 29. The foundation 26 has a width increased to about 2.40 m to improve the safety against tilting of the platform plate 17 for the self-supporting platform edge 01. Just as the platform edge plate 02, the platform plate 17 has a gradient of 2%. A handrail 27 is located at the back end of the platform plate 17. Warning marks 28 are provided in the back on the upper side 18 of the platform edge plates 02, and in the front on the platform plates 17.

[0031] FIGURE 6 presents a top view of the modular platform 21. In evidence are the modular dimensions of the platform plates 17 and the offset arrangement of platform edge plates 02 always on two bearing brackets 03, which are each centrally situated in the width of the platform plates 17, so that platform plates 17 and platform edge plates 02 are arranged offset relative to each other, which even further improves the stability of the modular platform 21. Also denoted are the spaced apart foundations 26.

[0032] In various possible applications, for example when working through with heavy machinery or on rail stretches subject to out-of-gauge loads, it is required that the horizontal clearance be increased. According to the invention as depicted on Figures 7a and 7b, the edge plate 30 is removable, and the bearing bracket 31 is laterally foldable and fastened to the longitudinal girder 14. As shown on Figure 7b, the foldable bearing bracket 31 exhibits an attachment 32 on the longitudinal girder 14, as well as a joint 38 and a locking screw 39. Apart from concrete, the removable edge plate 30 can consist of various materials, e.g., a sandwich/composite, plastic element or wood.

[0033] According to the invention, the embodiment depicted on Figures 8a and 8b has an edge plate 33 designed to be pivoted around a joint 35 by hand or with a drive. The drive can include known drives, such as hydraulic, electrohydraulic or electric drives. The rotatable edge plate 33 is preferably turned upward by means of a rotary cylinder 34. It is also possible to swivel the rotatable edge plate 33 downward.

REFERENCE LIST

[0034] 01 Modular platform edge 02 Detachable platform edge plate 03 Bearing bracket 04 Horizontal limb of 03 05 First screw connection 06 Latching element 07 Latching groove 08 Vertical limb of 03 09 Front longitudinal support element 10 Threaded rod 11 Cladding tube 12 Head plate 13 Injection anchor 14 Front longitudinal girder 15 Recess 16 Additional screw connection 17 Platform plate 18 Upper side of 21 19 Through bore 20 Lateral limb 21 Modular platform 22 Refuge niche 23 Track bed 24 Track 25 Rear longitudinal girder 26 Foundation 27 Handrail 28 Warning marks 29 Concrete subbase 30 Removable edge plate 31 Foldable bearing bracket 32 Attachment 33 Pivotable edge plate 34 Rotary cylinder 35 Joint of 33 38 Joint of 31 39 Locking screw

Claims (5)

A modular platform edge (01) consisting of stand-alone platform edge members forming the facing portion of the planar top face (18) of a platform (21) mounted at least on a front longitudinal support member (09) and disposed stationarily at side by side in the longitudinal direction of the platform, comprising a cut on the side facing the track and a bearing of each platform edge element on at least one bearing, the platform edge comprising the platform edge elements and the bearing, the platform edge further comprising: a configuration of the platform edge element as a removable platform edge plate (02) • an embodiment of the bearing as a bearing bracket (03) with a horizontal leg (04) and a vertical leg (08) arranged substantially at right angles thereto; • a design of the horizontal leg (04) of the bearing bracket (03) as mounting of the platform edge plate (02), • an embodiment of the vertical leg (08) of the bearing bracket (03) as connection of the platform edge plate (02) with the front longitudinal support element (09, 14) of the platform (21) and an embodiment of the undercut as a flight niche (22) characterized by a design of the platform edge element as a removable edge plate (30) and a design of the bearing bracket (31) which can be mounted on the front longitudinal carrier. (14) via a link (38) and a fastener (32) such as laterally foldable bearing bracket (31) or characterized by a design of the platform edge element as an edge plate (33) which is manually or via a controllable drive mechanism rotatable about a link (35) manually or via a controllable drive mechanism. Modular platform edge according to claim 1, characterized by an edge plate (33) rotatable upwards by means of a rotating cylinder (34). Modular platform edge according to claims 1 to 2, characterized by a hydraulic, electro-hydraulic or electric drive mechanism for the edge plate (33) which can be turned upwards. Modular platform edge according to claims 1 to 3, characterized in that the removable or rotatable edge plate (30, 33) is formed of concrete, in a sandwich / composite structure, as a plastic element or of wood. Modular platform edge according to one of claims 1 to 4, characterized by warning markings (28) on the rear of the platform edge plate (02) facing away from the groove or the removable edge plate (30) or the pivoting edge plate (33).