The invention relates to a rail attachment system (1) for attaching a rail (2) to a concrete support slab (3a) or a concrete sleeper (3b) or to a steel structure comprising an intermediate plate (4), a rail attachment plate (5) with angle guide plates (6, 6b) arranged thereon, at least two first ten
The invention relates to a rail attachment system (1) for attaching a rail (2) to a concrete support slab (3a) or a concrete sleeper (3b) or to a steel structure comprising an intermediate plate (4), a rail attachment plate (5) with angle guide plates (6, 6b) arranged thereon, at least two first tensioning clamps (7a) for clamping the rail foot (2a) to the rail attachment plate (5) as well as screws (9) and/or ankle bolts (10) and at least two second tensioning clamps for screwing the rail attachment system (1) to the underlying surface, characterized in that an elastic intermediate layer (8) is arranged between the rail (2) and the rail attachment plate (5), and the intermediate plate (4) is composed of a highly elastic material and/or comprises a steel plate (4), at least two second tensioning clamps (7b) for clamping the rail attachment plate (5) to the substructure, preferably via the intermediate plate (4), wherein the first and second tensioning clamps (7a, 7b) are embodied in a highly elastic fashion with a high tensioning force, are provided, and at least one upper sliding plate (12) is arranged between the rail foot (2a) and a first tensioning clamp (7a), and at least one lower sliding plate (13) is arranged between the rail foot (2a) and the elastic intermediate layer (8) and is attached by means of a steel support (14) in the case of a steel substructure.
대표청구항▼
1. A track-fastening assembly for attaching a rail to a substrate formed by a concrete support slab, a concrete sleeper, or a steel underlayment, the assembly comprising: an intermediate plate formed of highly elastic material or steel;a rail-attachment plate provided with angle guides;at least two
1. A track-fastening assembly for attaching a rail to a substrate formed by a concrete support slab, a concrete sleeper, or a steel underlayment, the assembly comprising: an intermediate plate formed of highly elastic material or steel;a rail-attachment plate provided with angle guides;at least two first spring clips for clamping a rail foot to the rail-attachment plate;first and second anchors formed by screws or bolts, the first anchors being seated in the rail-attachment plate and holding down the first spring clips;an elastic intermediate layer between the rail and the rail-attachment plate;at least two second spring clips attached by the second anchors to the substrate and clamping the rail-attachment plate to the substrate via the intermediate plate, the first and second spring clips being highly elastic and exerting a high tension force;at least one upper slide plate between the rail foot and a first spring clip; andat least one lower slide plate between the rail foot and the elastic intermediate layer. 2. The track-fastening assembly according to claim 1, wherein the assembly is provided in so-called transition areas between different track beds having different elasticities. 3. The track-fastening assembly according claim 1, wherein the elastic intermediate layer has a stiffness of 55-65 kN/mm. 4. The track-fastening assembly according to claim 1, further comprising: a height compensation plate between the concrete slab, enhancement plate, fixed rail track, or the substrate and the intermediate plate. 5. The track-fastening assembly according to claim 1, wherein the transition area is between a fixed rail track in a tunnel and a fixed rail track of a concrete girder bridge or between a fixed rail track and a track ballast subgrade or between steel structures. 6. The track-fastening assembly according to claim 1, wherein the elastic intermediate plate has a spring characteristic that is stepped as a function of deflection, first gentler and then harder. 7. The track-fastening assembly according to claim 1, wherein the first and second spring clips have dynamic fatigue strength in the range of 2.5 to 3.5 mm deflection and have a tensioning force of greater than 12 kN. 8. The track-fastening assembly according to claim 1, wherein the upper or lower slide plate has means for preventing slip. 9. The track-fastening assembly according to claim 1, wherein ends of the first or second spring clips are flattened. 10. The track-fastening assembly according to claim 1, wherein the angle guides are made of highly elastic polyamide 6.6 with 30% glass fiber. 11. The track-fastening assembly claim 1, wherein the angle guides have a rib structure for increasing elasticity. 12. The track-fastening assembly claim 1, wherein the intermediate plate has a cross-sectional shape formed with at least one step. 13. The track-fastening assembly according to claim 1, wherein the intermediate plate is made of microcellular polyurethane or microcellular synthetic rubber with stepped elasticity. 14. The track-fastening assembly according to claim 1, wherein the assembly has high elasticity of 20 to 35 kN/mm with simultaneous high retaining force of up to 30 kN. 15. The track-fastening assembly according to claim 1, wherein the steel underlayment is a plate and has at the end faces thereof support faces that project from the plate plane, for the angle guides and/or the spring clips. 16. The track-fastening assembly according to claim 15, wherein the support faces are pivoted toward the rail out of the plate plane of the steel underlayment about an angle >45°. 17. A track-fastening assembly for attaching a rail to a substrate formed by a concrete support slab, a concrete sleeper, or a steel underlayment, the assembly comprising: an intermediate plate formed of highly elastic material or steel having a stiffness of 55-65 kN/mm;a rail-attachment plate provided with angle guides;at least two first spring clips for clamping a rail foot to the rail-attachment plate;first and second anchors formed by screws or bolts, the first anchors being seated in the rail-attachment plate and holding down the first spring clips;an elastic intermediate layer between the rail and the rail-attachment plate;at least two second spring clips attached by the second anchors to the substrate and clamping the rail-attachment plate to the substrate via the intermediate plate, the first and second spring clips being highly elastic and exerting a high tension force of greater than 12 kN;at least one upper slide plate between the rail foot and a first spring clip; andat least one lower slide plate between the rail foot and the elastic intermediate layer, the slide plates being constructed to reduce longitudinal resistance to creep of the rail.
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