EP2369057A1 - System for attaching a rail to a base and base board for such a system - Google Patents

Abstract

The fastening system has a guide plate for laterally guiding the rail, and a spring element, which is braced against the subsurface by a tensioning element. The spacers (2,3) are divided in two parts (24,25) along a joint line (32), which is guided, starting from one of the longitudinal sides (26,27) of the spacers. An independent claim is also included for a spacer.

Description

The invention relates to a system for fastening a rail on a substrate, which has a guide plate, which leads to be fastened on its longitudinal side, a braced against a substrate by means of a clamping element spring element which sits on the guide plate and in the assembled system with a free spring arm a hold-down force on a rail of the rail to be fastened and has a transverse to the rail to be fastened across the width of the guide plate extending shim, which is arranged to compensate for height differences between the guide plate and the respective substrate, wherein the shim has a rectangular basic shape and has a through opening for the clamping element used for clamping the spring element.

Likewise, the invention relates to a shim for such a system. Such documents serve on the one hand to support the other components of the fastening system over a large area on the respective substrate. On the other hand, they are used for height regulation when the height level of the respective mounting surface of the ground deviates from one another between two adjacent attachment points beyond a tolerance range. If an impermissible height deviation is detected, it can be compensated for by sliding differently thick or two or more shims under the respective rail. Basically problematic here is the requirement that the shims must be added later or replaced.

To eliminate this problem is in the DE 197 45 326 A1 a shim for a rail fastening system of the type specified above has been proposed in which at least one of two diagonally opposite openings for the passage of tensioning of the respective spring element to be screwed into the ground clamping elements are formed as open to the longitudinal edge of the shim slit. Although it is possible in this way to subsequently push the shim under the other components of a rail fastening system without completely releasing the clamping elements, this embodiment of a shim in practice has the disadvantage that the slots required to accommodate the respective clamping elements very long have to be. This is especially true when the passage openings for the clamping elements are provided differently than in the known shim, based on the longitudinal axis of the shim centrally located. In the area of the large slots, the overlying position of the fastening system is not supported, with the result that the material of the respective layer is independent of which properties it has, presses under the large loads occurring when passing over the rail by a rail vehicle in the slots. This can lead to premature wear of the relevant layer or the shim in the region of the slots. This danger proves to be particularly critical when the rail is elastically supported by means of an elastic layer resting on the shim.

Against the background of the above-described prior art, the object of the invention to provide a system of the type specified for securing a rail, on the one hand ensures a sufficiently long life of resting on the shim components and material layers and in which it on the other hand simple manner is possible to mount the washer later or replace.

Likewise, a shim should be created, which can also be easily retrofitted and optimized at the same time optimal performance both in terms of their support function and in terms of minimized wear of the material lying in practical use on her layers or components.

With regard to the system for fastening a rail, this object has been achieved according to the invention in that such a system is designed in the manner specified in claim 1.

With regard to the shim, the solution of the above-mentioned object according to the invention consists in the fact that such a shim is designed according to claim 5.

Advantageous embodiments of the invention are specified in the dependent claims and are explained in detail below.

The invention provides that in a fastening system of the type specified, the shim is divided along a joint line into two parts, which led from one of the transverse to be fastened rail longitudinal sides of the shim starting at a distance from the one narrow side to the through hole and from there, the passage opening is cut in the direction of the narrow side of the shim.

According to the invention, therefore, the shim is divided into two mutually butt abutting parts, of which at least one part extends along the narrow side of the shim over its entire width and to which a in the longitudinal direction of the shim extending portion is formed, which is the passage opening for the respective clamping element receives at least in part. The other part of the shim thereby fills the cut-out portion of the first part, wherein it defines the part of the through hole of the shim, which is not bounded by the first part.

A first advantage of the inventive design of a shim is that the two parts of the shim can be easily retrofitted to a mounting system according to the invention by the one part seen in the longitudinal direction of the rail from one side and the other part from the other side be pushed under the already mounted other components of the fastening system. Once the two parts of the shim are fully inserted, they enclose the clamping elements tight, so that despite the division of the shim the same large-area continuous support of resting on the shim components and layers of material is guaranteed as an undivided shim.

Another important advantage in practice of the embodiment of a shim according to the invention is that it is undivided at least in the region of its one narrow side. In this way, it is ensured that the components and material layers resting on the base are also securely supported even when very high pressures are applied to the shim or the ground has a certain degree of resilience. The portion of its one part extending over the narrow side of the shim ensures that the shim keeps its shape even under heavy load and its two parts are not forced apart.

Due to the inventive design of a shim is thus a system for attaching a rail available in which due to the uniform support of its components on the solid surface an optimized long life is guaranteed and in which it is still possible in a simple manner to mount the washer later or replace.

A particularly important embodiment of the invention consists in a fastening system of the type according to the invention comprising two guide plates, one of which is arranged on one of the longitudinal sides of the rail to be fastened, wherein the shim extending below both guide plates.

The joint line, in which the two parts of the shim butt against each other, is optimally guided so that the two parts of the shim are point-symmetrical. This has the advantage that on both narrow sides in each case over the entire width of the shim extending portion is present, so that the security against a divergence of the parts of the shim at high load is further increased.

It is particularly advantageous in this context if both parts of the shim are identically shaped, whereby a particularly inexpensive simple production of the lower plate is possible.

Another advantageous embodiment of the invention for practical use is characterized in that the shim plate on at least one narrow side a shoulder over which this narrow side respectively associated guide plate is supported against a provided on the ground support shoulder. This shoulder not only protects the adjacent components of the fastening system against direct, possibly abrasive contact with a corresponding, present on the ground shoulder, but also contributes to the fact that the two parts of the shim are not pressed apart even under high load.

For the reasons already explained, the large-area support provided by the inventive design of a rail fastening system proves to be particularly advantageous if it comprises an elastic layer which lies on the backing plate and on which the rail to be fastened in fully assembled state is elastically supported.

A favorable in particular point-symmetrical design of the parts of the backing plate according to the invention course of the joint line is obtained when the coming of the one longitudinal side abutting line is guided starting from the passage opening in the direction of the other longitudinal side kinking.

An on the one hand with regard to the availability of the two parts of the shim and on the other hand with regard to the design of the over the narrow side of the shim extending portion of the one part optimum course of the joint line arises when this is performed starting from the one longitudinal side to the passage opening at a distance from the narrow side associated with the passage opening, which corresponds to the smallest distance of the respective passage opening from its associated narrow side.

The latter is particularly true when the shim has two through holes and the beginning of one longitudinal side of the first passage opening intersecting to the other passage opening, this cuts and then with a distance to the second passage opening associated narrow side to the first longitudinal side opposite other longitudinal side of the shim runs.

A permanently secure positionally correct assignment of the parts of the shim can also be supported by the fact that on the parts of the shim mold elements, as corresponding to each other shaped projections and recesses are formed, which cooperate positively in befindlichem in the mounting position shim plate.

The material required for the production of the guide plate and thus the weight of a Unterlegplatte invention can be minimized that are formed in the underside of the washer recesses. If necessary, reinforcing ribs may be formed between the recesses for stiffening the guide plate. In addition to the possibility here of height adjustment by means of a pushed under the other components of the system according to the invention Unterlegplatte an additional way of leveling between two adjacent attachment points of the rail, for example, that the height of the rail foot above the shim by means of one or more intermediate layers varies being placed between the rail foot and the washer. If at the same time the guide plate remains supported directly on the shim or the ground, changes along with the change in the distance between the rail base and substrate or shim and the force applied by the spring element in the assembled state on the rail hold-down force. This change can be easily compensated for by placing on the free end of the respective spring arm of the spring element an adapter piece which is rotatably mounted on the end portion of the spring arm about a rotation axis and has at least two abutment surface portions on its circumference, of which depending on the respective rotational position of the adapter piece in each case one rests against the rail, wherein a contact surface portion of the adapter piece has a greater distance from the axis of rotation of the adapter piece than the other contact surface portion. According to the invention, the adapter piece is thus formed in this case and arranged on the spring arm of the spring element of a system according to the invention that it can be adjusted in the manner of an eccentric to the respect of the tension of the spring element and the Force applied by the spring element to set a substantial distance between the free end of the spring element and the surface of the rail foot. Thus, the distance and concomitantly exerted by the spring element on the rail hold-down force can be increased by the fact that the adapter piece is supported on the contact surface portion on the rail, which has a large distance to the respective free end of the spring arm of the spring element. Accordingly, the effective hold-down force can be reduced by rotating the adapter piece so that it is supported on the rail foot by a contact surface portion arranged at a smaller distance from the free end of the associated spring arm.

Should be ensured in the case of use of an adapter piece of the above-mentioned type with particularly simple means that the adapter piece and with him the spring element coupled with him the respective preassembly position even under the stellar in practice loads until the final assembly is made, so this can be achieved in that a guide plate is provided, which has on its end face associated with the rail a contact surface and on its free upper side adjacent to the contact surface, rising in the direction of the contact surface sliding surface over which the adapter piece from a through an the guide plate trained stop set pre-assembly, in which it sits with its respective selected contact surface portion on the guide plate, in a mounting position is slidable, in which it sits with the abutment surface portion on the rail of the rail to be fastened in order to transmit the effect of the spring element elastic hold-down force on the rail. The spring element is also arranged on the guide plate on which are usually formed for this purpose mold elements that guide the spring element and secure its position. The spring element is also arranged on the guide plate on which are usually formed for this purpose mold elements that guide the spring element and secure its position. In a guide plate designed in accordance with the invention, the adapter piece in the pre-assembly position is pressed against the stop by the hold-down force exerted on it, which is exerted by the spring element coupled to the adapter piece via its respective spring arm. In order to be pushed into the finished mounting position, the adapter piece must thus be pushed up from the stop obliquely upwardly leading sliding surface with the result that the spring forces exerted by the spring force increase and an additional force load must be overcome. Since this does not happen without intentionally introduced from the outside force, the adapter piece and with him the spring element are automatically held in the preassembly until the Fertigmontagevorgang begins.

Fig. 1

ein System zur Befestigung einer Schiene in einer Explosionsdarstellung;

Fig. 2

das System im fertig montierten Zustand in einer perspektivischen Ansicht;

Fig. 3

eine Unterlegplatte in perspektivischer Ansicht von oben;

Fig. 4

die Teile der Unterlegplatte in perspektivischer Ansicht von oben;

Fig. 5

die Teile der Unterlegplatte in perspektivischer Ansicht von unten;

Fig. 6

eine Führungsplatte in perspektivischer Ansicht;

Fig. 7

die Führungsplatte mit darauf aufgesetzten Adapterstücken;

Fig. 8

ein Adapterstück in einer frontalen Ansicht;

Fig. 9

das Adapterstück in einer perspektivischen Ansicht.

The invention will be explained in more detail with reference to a drawing illustrating an exemplary embodiment. Each show schematically:

Fig. 1

a system for securing a rail in an exploded view;

Fig. 2

the system in the assembled state in a perspective view;

Fig. 3

a shim in perspective view from above;

Fig. 4

the parts of the shim in a perspective view from above;

Fig. 5

the parts of the shim in a perspective view from below;

Fig. 6

a guide plate in perspective view;

Fig. 7

the guide plate with adapter pieces placed thereon;

Fig. 8

an adapter piece in a frontal view;

Fig. 9

the adapter piece in a perspective view.

The system 1 for fixing a rail S to a solid substrate U formed by, for example, a concrete sleeper or concrete slab comprises a first shim 2, a second shim 3, an elastic shim 4, a pressure distribution plate 5, a height control plate 6, a first guide plate 7, a second guide plate 8, two spring elements 9, 10 designed as ω-shaped tensioning clamps, two pairs of adapter pieces 11-14 and two tensioning elements 15, 16 formed as tensioning screws, which act on the middle loop of the spring elements 9, 10 via a respective washer 17, 18.

The fastening system 1 is seated in an integrally formed on the solid substrate U receptacle 19 which is bounded at its parallel to the rail S extending narrow sides by a respective support shoulder 20,21. In the existing between the support shoulders 20,21 contact surface of the receptacle 19 is adjacent to the support shoulders 20,21 each a plastic dowel 22,23 embedded in the substrate U. In the plastic dowels 22,23 each one of the clamping elements 15,16 for tensioning the spring elements 9,10 is screwed during assembly of the system 1.

The respectively composed of two point-symmetrically shaped parts 24,25 Unterlegplatten 2.3 have a rectangular shape with two parallel longitudinal sides 26,27 and two likewise mutually parallel narrow sides 28,29 and extend over the entire width of the receptacle 19th In the shims 2, 3 are in each case formed with two passage openings 30, 31, one of which is positioned adjacent to one of the narrow sides 28, 29 and centrally between the longitudinal sides 26, 27 in such a way that, when the shim 2 is in the receptacle 19, 3 with the opening of the recessed into the substrate U plastic dowel 22,23.

The joint line 32, on which the two parts 24, 25 of the shims 2, 3 are each joined together, extends from the edge of one longitudinal side 26, initially parallel to the edge of the first through-hole 30 associated with a narrow side 28, wherein the distance a1 to the relevant edge the smallest distance between the edge of the through hole 30 and the edge of the narrow side 28 corresponds. This section of the joint line 28 is guided up to the passage opening 30, there to bend substantially perpendicular to the edge of the narrow side 28 and the passage opening 30 at its longitudinal side 26 associated edge cutting in the direction of the other passage opening 31 to be performed. As soon as the passage opening 30 has passed, the joint line 32 bends in the direction of the other longitudinal side 27 so that it meets the passage opening 31 on its side associated with the longitudinal side 27. There, the joint line 32 again kinks so that it substantially aligned at right angles to the passage opening 31 at its longitudinal side 27 associated edge to the edge of the other narrow side 29, until the passage opening 31 has passed. At this point, the joint line 32 takes a parallel to the edge of the narrow side 29 aligned course until it has reached the edge of the longitudinal side 27. In this case, the distance a2 of the parallel to the edge of the narrow side 29 extending portion of the joint line 32 corresponds to the smallest distance between the edge of the through hole 31 and the edge of the narrow side 29th

By this course of the joint line 32, the two parts 24,25 of the shims 2,3 each have a over the entire width B of their narrow sides 28,29 extending portion 33. From this section 33 is in each case from another section 34, each of which is adjacent to one of the longitudinal sides 26,27 of the respective shim 2,3 and whose width in adjacent to the portion 33 portion of the half width B of the shim plus half the diameter of each formed in it through hole 30,31 corresponds, while its width in the region of its free end is equal to half the width B of the respective shim 2,3 less half the diameter of the other through hole 31,30.

At the mutually associated, abutting in the assembled state edges of the parts 24,25 of the shims 2,3 each correspondingly shaped projections and recesses 35,36 are formed, which overlap one another in the assembled state form-fitting and so in the installed state, even under high load Lift off the parts 24,25 prevent in a direction perpendicular to the ground U direction.

On the narrow sides 28,29 of the shims 2,3 each have a shoulder 37,38 formed, which are oriented in the installed position of the sections 33,34 pointing upwards and extend over the entire width B of the respective shim 2.3. The shoulders 37, 38 are shaped and aligned so that they lie flush against the support shoulders 20, 21 when inserted into the receptacle 19.

To minimize their weight and to save material in the area of the sections 33,34 in the bottom of the parts 24,25 regularly arranged recesses 39 are formed, between which ribs 40 are formed, which are in the installed state on the footprint of the receptacle 19.

In order to achieve the height compensation required in the present embodiment, the two shims 2.3 are stacked on top of each other in the receptacle 19 here.

In an optional subsequent assembly of the shims 2 whose parts 24,25 are each pushed from one longitudinal side of the receptacle 19 ago under the other components of the system 1 until they are joined together on butt and their projections and recesses 35,36 interlock. In this position, the parts with their through holes 30,31 comprise the screw shanks of the clamping elements 15,16 with a close distance, so that despite the division of the shims 2,3 a maximum large-area support of each lying above them components of the system 1 is secured.

On the uppermost shim 3 is the elastic intermediate layer 4, which ensures the required compliance of the rail fastening formed by the system 1.

The load taken up by the rail S when passing over a rail vehicle not shown here is by means of lying on the intermediate layer 4 Pressure distribution plate 5 distributed over a large area on the intermediate layer 4.

The intermediate layer 4 and the pressure distribution plate 5 each have slits on their narrow sides, in which the clamping elements 15, 16 are seated in the fully installed position.

The width of the intermediate layer 4 and the pressure distribution plate 5 is in each case smaller than the width B of the shims 2.3, so that along the longitudinal sides 26,27 of the shims 2,3, a narrow edge strip is present, on which the guide plates 7,8 with their lateral, the rail foot F associated feet 41,42 stand.

In order optionally to compensate for further height tolerances, is located on the pressure distribution plate 5, the height adjustment plate 6, on which the rail S is with its rail foot F.

The guide plates made of a reinforced plastic 7,8 are formed identically. In each case, one of them is arranged in a manner known per se on one of the longitudinal sides of the rail S in order to guide the rail S laterally. At the same time serve the guide plates 7,8 also in a conventional manner as a bearing for the seated on them spring elements 9,10.

At their end face assigned to the rail foot F, the guide plates 7, 8 have a contact surface 42, with which they laterally rest on the rail foot when fully assembled F lie. The abutment surface 42 is pierced by two openings which lead to a recess 44 formed by the underside 43 of the guide plates 7, 8. In the region of the recess 44, stiffening ribs which are not visible here are formed, which support the roof 45 of the guide plates 7, 8 with the spring element 9, 10 clamped thereon.

On the side remote from the contact surface 42, a support section 46 provided with recesses and stiffening ribs is integrally formed on the guide plates 7, 8, on whose free upper side a flat support surface 47 is formed. Sitting on this support surface 47 in the pre-assembly position, the transition portions of the spring elements 9,10 which connect the spring arms 48,49 of the spring elements 9,10 with the middle loop. At the same time, the support section 46 delimits a groove 50 which is formed in the upper side of the guide plates 7, 8 and which extends parallel to the contact surface 42 and in which the transition sections of the spring elements 9, 10 sit in the fully assembled position.

At a central location in the roof 45 of the guide plates 7,8 a through hole 51 is formed through which the screw shank of the respective clamping element 15,16 is guided. The passage opening 51 is surrounded by a circumferential collar, on the one hand penetration of water into the opening 51 is prevented and on the other hand forms a guide for the middle loop of the respective spring element 9,10. On both sides of the passage opening 51 and with a uniform distance to this is on the top of the guide plates 7,8 each have a shoulder 52,53 formed, which extends to the end face bearing surface 42. The paragraphs 52.53 form in the assembled system on the one hand a lateral guide for the middle loop of each associated spring element 9.10. On the other hand, in each case a wedge-shaped recess is formed from its upper side into the shoulders 52, 53. In this way, on the support portion 46 associated with the end of paragraphs 52,53 each have an upstanding stop 54,55 and a flat sliding surface 56,57 formed. These sliding surfaces 56,57 rise continuously starting from the respective stop 54,55 in the direction of the contact surface 42, until they reach the front, the contact surface 42 associated edge of each paragraph 52,53.

Between the openings formed in the contact surface 42, a center post 42a is provided in the region of the abutment surface 42, at the lower end of which a projection 42b pointing away from the respective guide plate 8,9 and oriented normal to the contact surface 42 is integrally formed. The projection 42b is positioned so that it engages under the rail foot F in the fully assembled position. In this way, a lifting of the guide plates 8,9 is safely avoided under the loads occurring in practice.

The trained as an ω-shaped clamps spring elements 9,10 have on their spring arms 48,49 each have a bent end portion, which when finished mounted system 1 is aligned substantially parallel to the rail S. In each case, one of the adapter pieces 11-14 is rotatably mounted about an axis of rotation D coincident with the longitudinal axis of the relevant end section on these end sections.

Seen from its front side, the adapter pieces 11-14 each have a pentagonal shape. At the peripheral surface of the adapter pieces 11-14 are each three equal contact surface portions 58,59,60 formed, which abut each other directly and are separated from each other by an edge 61,62. Two marking sections 63, 64 additionally adjoin the two outer contact surface sections 58, 60. These marking sections 63, 64 may be provided with markings which indicate the increase or decrease in the spring tension associated with a rotation in the respective direction.

The marking portions 63,64 are separated by a slot 65 which is formed from the radial direction in the adapter pieces 11-14 and extends into a receptacle 66 which is formed from its one end face in the adapter pieces 11,14. The slot 65 intersects a triangular opening 67 in the bottom 68 of the receptacle 66, so that in the receptacle 66 collecting moisture or vapors can escape through the opening 67 from the receptacle 66.

The center M of the circular opening of the receptacle 66 is arranged offset relative to the center of the end faces 69 of the adapter pieces 11-14 that the first contact surface portion 58 has a first distance z1, the second contact surface portion 59 has a second distance z2 and the third contact surface portion 60 has a third distance z3 to the center M of the receptacle 66, where z1 <z2 <z3. The distances z1 - z3 differ, for example, by one millimeter each.

The adapter pieces 11-14 are made of an electrically non-conductive plastic, which has a certain elasticity at least in its circumferential direction.

In the relaxed, not attached to the respectively associated end portion of the spring arms 48,49 state, the receptacle 66 of the adapter pieces 11 - 14 has a diameter which is smaller by a small undersize than the likewise circular in diameter end portions of the spring arms 48,49. When attaching to the end portions, the adapter pieces 11 - 14 are spread accordingly in the circumferential direction, so that they are held by friction in the adapter pieces 11 - 14 then acting restoring forces, but still with a certain amount of force on the respective associated end portion. The spreading of the adapter pieces 11 - 14 can be done easily due to the slot 65, which prevents in this way not only the accumulation of moisture in the respective adapter piece 11 - 14, but in addition the attachment of the adapter pieces 11 - 14 on the respective end portion of the spring arms 48,49 and ensures their sufficient elastic compliance.

For pre-assembly of the system 1, the shim 3 is first placed in the receptacle 19 of the substrate U. Subsequently, the elastic layer 4 are placed on the shim 2 and the pressure distribution plate 5 on the elastic layer.

Subsequently, the guide plates 8, 9 are positioned such that one of them bears with its support section 46 against one of the shoulders 37, 38, which in turn is respectively supported on one of the support shoulders 20, 21 of the substrate U. The guide plates 8,9 engage around with their side feet 41,42 the intermediate layer 4 and the pressure distribution plate 5, so that they stand on the shim 3. In this case, the center post 42a with its projection 42b is in the slot of the intermediate layer 4 and the pressure distribution plate fifth

Subsequently, the height regulating plate 6 is placed on the pressure distribution plate 5, whose width corresponds to the clear distance between the guide plates 7,8.

Following this, the spring elements 9, 10 with the adapter pieces 11-14 fastened to them are placed on the respectively associated guide plate 7, 8 so that their transition section sits on the support surface 47 of the respective support section 46. In this position, the adapter pieces 11-14 with their respective sliding surface 56,57 associated contact surface portion 58-60 placed on the respective sliding surface 56,57 and held in contact with the respective stop 54,55. After then the clamping elements 15,16 through the passage opening 51 of the respective angle guide plate 7,8 and the Through holes 30,31 of the shim 2 are screwed into the respective associated plastic dowels 22,23, the system 1 is biased in its pre-assembly.

After the rail S has now been positioned, the spring elements 9, 10 are displaced in the direction of the rail S until the adapter pieces 11 - 14 on their respectively associated side of the rail foot F and the transition sections of the spring elements 9, 10 in the throat 50 the guide plates 7,8 sit. The adapters 11-14 slide up the sliding surfaces 56, 57 until they pass the front free edge of the shoulders 52, 53 and sit on the rail foot F.

If it is determined that an insufficient or too great hold-down force is exerted on the rail foot F as a result of an excessively large or too small height difference between the upper side of the rail foot F and the upper side of the respective guide plate 7, 8 of one of the spring elements 9, 10, this can be achieved be compensated that the respective spring element 9,10 associated adapter pieces 11 - 14 is rotated about its respective axis of rotation D so that the respective adapter piece 11 - 14 via a contact surface portion 58,59,60 with a smaller distance (decrease in hold-down force) or greater distance (increase of the hold-down force) is then supported on the running through the center M of the receptacle 66 axis of rotation D on the rail foot F.

The adapters 11-14 thus allow a fine adjustment of the applied by the spring elements 9.10 hold down forces. At the same time they isolate the spring elements 9,10 against the rail S.

If it is found that the overall height of the fastening point for the rail S created by the system 1 is too low overall, the additional backing plate 2 and, if necessary, further backing plates can be subsequently mounted underneath the backing plate 3 in the above-mentioned manner. reference numeral Designated element 1 System for fastening the rail S 2.3 shims 4 elastic intermediate layer 5 Pressure distribution plate 6 Height adjustment plate 7.8 guide plates 9, 10 spring elements 11-14 adapters 15.16 clamping elements 17, 18 washers 19 admission 20.21 Supporting shoulders of pickup 19 22.23 Plastic anchors 24.25 Parts of the shims 2.3 26.27 Longitudinal sides of the shims 2,3 28.29 Narrow sides of the shims 2,3 30.31 Through holes of the shims 2.3 32 Piling line of shims 2,3 33, 34 Sections of parts 24,25 35 Projections of the parts 24,25 36 Recesses of the parts 24,25 37.38 Shoulders of Parts 24,25 39 Recesses of the parts 24,25 40 Ripping the parts 24,25 41 Feet of the guide plates 7,8 42 Contact surface of the guide plates 7,8 42a Mullion of guide plates 7,8 42b Projection of the guide plates 7,8 43 Bottom of the guide plates 7,8 44 Recess of the guide plates 7,8 45 Roof of the guide plates 7,8 46 Support section of the guide plates 7,8 47 Support surface of the guide plates 7,8 48.49 Spring arms of the spring elements 9,10 50 Throat of the guide plates 7,8 51 Through opening of the guide plates 7,8 52.53 Shoulder of the guide plates 7,8 54.55 Stop of the guide plates 7,8 56.57 Sliding surface of the guide plates 7,8 58, 59, 60 Contact surface portions of the adapter pieces 11-14 61, 62 Edge of the adapter pieces 11 - 14 63, 64 Marking sections of the adapter pieces 11 - 14 65 Slot of the adapter pieces 11 - 14 66 Admission of the adapter pieces 11 - 14 67 Opening of the adapter pieces 11 - 14 68 Bottom of the adapter pieces 11 - 14 69 End faces of the adapter pieces 11 - 14 a1 distance a2 distance D Rotary axis of the adapter pieces 11 - 14 F rail M Center of the shot 66 S rail U underground z1, z2, z3 distances

Claims (12)

System for fastening a rail (S) to a substrate (U) - With a guide plate (7,8) which guides the rail to be fastened (S) on its longitudinal side, with a spring element (9, 10) which can be braced against a base (U) by means of a tension element (15, 16) and which sits on the guide plate (7, 8) and with a free spring arm (48, 49) exerts a hold-down force on a rail foot (F) of the rail (S) to be fastened, and - With a transverse to be fastened to the rail (S) over the width of the guide plate (7,8) extending shim (2,3), to compensate for height differences between the guide plate (7,8) and the respective substrate (U) is arranged, wherein the shim (2,3) has a rectangular basic shape and has a passage opening (30,31) for the tensioning of the spring element (9,10) inserted clamping element (15,16), characterized in that the shim (2,3) is divided along a joint line (32) into two parts (24,25) extending from one of the longitudinal sides (26, 27) of the shim aligned with the rail (S) to be fastened (2,3) starting at a distance (a1, a2) to one narrow side (28,29) to the passage opening (30,31) out and from there the passage opening (30,31) intersecting in the direction of the narrow side (28,29 ) of the shim (U) is guided. System according to claim 1, characterized in that it comprises two guide plates (7, 8), one of which is arranged on one of the longitudinal sides (26, 27) of the rail (S) to be fastened, and in that the support plate (2, 3) extends below both guide plates (7,8). System according to one of the preceding claims, characterized in that the parts (24,15) of the shim (2,39 are identical. System according to one of the preceding claims, characterized in that the shim plate (2, 3) has a shoulder (37, 38) on at least one narrow side (28, 29), via which this narrow side (28,29) respectively associated guide plate (7,8) against a provided on the substrate (U) supporting shoulder (20,21) is supported. System according to one of the preceding claims, characterized in that it comprises an elastic layer (4) which lies on the shim (2,3) and on which the rail (S) to be fastened is elastically supported when fully assembled. Shim for a system (1) according to any one of the preceding claims for securing a rail (S) to a base (U), the shim (2,3) having a rectangular basic shape and a passage opening (30,31) for a Clamping of the spring element (9,10) inserted clamping element (15,16), characterized in that the shim (2,3) along a joint line (32) is divided into two parts, of the one transverse to the rail to be fastened (S) aligned longitudinal sides (26,27) of the shim (2,3), starting at a distance (a1, a2) to the one narrow side (28,29) to the through hole (30,31) out and from there the passage opening (30 , 31) is guided in the direction of the other narrow side (28, 29) of the shim plate (2, 3). Shim according to claim 6, characterized in that the one of the one longitudinal side (26,27) coming abutment line (32), starting from the passage opening (30,31) in the direction of the other longitudinal side (27,26) is guided kinking. Shim according to claim 6 or 7,
characterized in that starting from the one longitudinal side (26, 27) up to the passage opening (30, 31) at a distance (a1) from the one longitudinal side (28, 29) to the narrow side (28, 29) associated with the passage opening (30, 31) is guided, which corresponds to the smallest distance (a1) of the respective passage opening (30,31) from its associated narrow side (28,29). A shim according to claim 8, characterized in that it has two through-openings (30, 31) and that the abutment line (32) starting at one longitudinal side (26, 27) intersects the first through-opening (30, 31) to the other through-opening (31 , 30), this cuts and then with a distance (a1, a2) to the second passage opening (31,30) associated narrow side (28,29) up to the first longitudinal side (26,27) opposite another longitudinal side (27 , 26) of the shim (2,3) extends. Shim according to one of claims 6 to 9, characterized in that on the parts (24,25) of the shim (2,3) mold elements are formed, which cooperate form-locking in befindlichem in the mounting position shim (2,3). Shim according to one of claims 6 to 10, characterized in that on at least one of its narrow sides (28,29) has a shoulder (37,38) is formed by the support surface, with the shim (2,3) in the mounting position on the respective underground (U), is directed away. Shim according to one of claims 6 to 11, characterized in that in the contact surface recesses (39) are formed.

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