System for fixing a track and method of repair

Abstract

The invention relates to a system for fastening rails (S) on a substrate (2) and to an assembly (1) built on such a system. The system comprises a slab element (3) having through openings (21, 22) leading from its upper face (14) to its bottom face (20) and comprising anchoring elements (4, 5) having anchoring element bodies (27) which, in use, are inserted into the substrate (2) and having an insertion opening defined by an end section (28) of the anchoring element body (27) for introducing a fastening element (11, 12) into the anchoring element body (27). According to the invention, a retaining section (29) laterally protruding from the end section (28) is connected to the end section (28) of the anchoring element body (27) by a connecting section (30-33) provided with a predetermined breaking point. On the bottom face (20) of the slab element (3), a retaining portion (38, 39) is provided into which the through openings (21, 22) of the slab element (3) open and into which the anchoring elements (4, 5) are retained by their retaining sections (29). The retaining portion (38, 39) forms a stop (48) for the retaining sections (29) acting in the longitudinal direction of the anchoring elements (4, 5). The inner contour of the through openings (21, 22) of the slab element (3) here adapts to the outer contour of the anchoring element bodies (27) in such a way that, after breaking of the connecting sections (30-33) of the anchoring elements (4, 5), the anchoring element bodies (27) can be moved through the through openings (21, 22) of the slab element (3).

Claims

1. System for fastening a rail (S) of a rail vehicle to a base (2), wherein the system comprises: - a slab element (3) having a bottom face (20) with which the slab element (3) is supported on the base (2) during use, having an upper face (14) facing away from the base (2) during use, and having through openings (21, 22) leading from the upper face (14) to the bottom face (20), and - an anchor (4, 5) having an anchor body (27) which is inserted into the base (2) during use, and having an insertion opening defined by an end section (28) of the anchor body (27) for introducing a fastening element (11, 12) into the anchor body (27), characterized in that - a retaining section (29) laterally protruding from the end section (28) is connected to the end section (28) of the anchor body (27) by a connecting section (30-33) provided with a predetermined breaking point (35), - a retaining portion (38, 39) is provided on the bottom face (20) of the slab element (3), into which the through openings (21, 22) of the slab element (3) open, - the anchor (4, 5) is retained in the retaining portion (38, 39) by its retaining section (29), which forms a stop (48) acting in the longitudinal direction of the anchor (4, 5) for the retaining section (29) of the anchor (4, 5), and - the inner contour of the through openings (21, 22) of the slab element (3) here adapts to the outer contour of the anchor body (27) in such a way that, after breaking of the connecting section (30-33) of the anchor (4, 5), the anchor body (27) can be moved through the through openings (21, 22) of the slab element (3).

2. The system of claim 1, wherein, The minimum inner diameter Di_min of the through openings (21, 22) of the slab element (3) in the region where the retaining section (29) is connected to the anchor body (27) is greater than the maximum outer diameter DaK_max of the anchor body (27), but smaller than the maximum outer diameter DaH_max of the anchor (4, 5).

3. The system of any of the preceding claims, wherein, To form the predetermined breaking point (35), the thickness or width of the connecting section (30-33) is locally reduced.

4. The system of claim 3, wherein, To form the predetermined breaking point (35), a notch (34) or groove is formed in the connecting section (30-33).

5. The system of claim 1, wherein, The connecting section (30-33) is formed in the shape of a tab or a pin.

6. The system of claim 1, wherein, The retaining section (29) is designed as a ring section or a complete ring, wherein the ring section or the complete ring extends around the end section (28) of the anchor body (27) which encloses the insertion opening of the anchor body (27).

7. The system of claim 6, wherein, The retaining section (29) is connected to the end section (28) of the anchor body (27) by at least two connecting sections (30-33) each having a predetermined breaking point (35), which are arranged spaced apart from one another and in such a way that they are distributed around the anchor body (27) between the end section (28) and the retaining section (29).

8. The system of claim 1, wherein, The holding portion (38, 39) for the anchoring element (4, 5) formed on the slab element (3) comprises a sliding guide portion (40) into which the anchoring element (4, 5) is inserted with its holding section (29), and which extends on the bottom surface (20) of the slab element (3) transversely to the longitudinal axis of the through opening (21, 22) of the slab element (3).

9. The system of claim 8, wherein, The holding portion (38, 39) comprises a stop element (45) which determines the correct sliding position of the anchoring element (4, 5) with respect to the through opening (21, 22) of the slab element (3).

10. The system of claim 8 or 9, characterized in that, A locking element (46) is provided which fixes the anchoring element (4, 5) in the correct position with respect to the through opening (21, 22) of the slab element (3).

11. The system of claim 10, wherein, The locking element (46) consists of a snap or a bolt (51) which is molded on the slab element (3) or which can be fixed on the slab element (3).

12. The system of claim 1, wherein, The anchoring element (4, 5) is held in the holding portion (38, 39) of the slab element (3) without being able to twist with respect to its longitudinal axis (L).

13. The system of claim 1, wherein, The slab element (3) is a base plate on the upper surface of which a support surface is formed on which the rail (S) to be fixed during use is supported.

14. Assembly for fixing a rail (S) to a substrate (2), wherein the assembly comprises a system for rail fixing formed by a slab element (3) and an anchoring element (4, 5) held on the slab element, wherein the anchoring element (4, 5) is cast into the substrate (2) at least in one section, characterized in that, The system for rail fixing according to the preceding claim forms a system for fixing a rail (S) of a rail vehicle on a base (2) according to any one of the preceding claims.

15. Method for repairing an assembly (1) according to claim 14, comprising the following work steps: - removing the fixing element guided through the through opening (21, 22) of the slab element (3) and located in the anchoring element (4, 5); - inserting a tool into the through opening (21, 22) of the slab element (3); - loading, by said tool, an anchoring body (27) located in a member forming a base (2), wherein, - increasing the load acting on the anchoring element body (27) until the connecting sections (30-33) of the anchoring element (4, 5) break at their predetermined breaking points; - removing the anchoring element body (27) from the component through the through opening (21, 22) of the slab element (3), wherein the anchoring element body (27) leaves a corresponding anchoring element recess in the component; - inserting a new anchoring element body (27) into the anchoring element recess of the component through the through opening (21, 22) of the slab element (3).

Images