Superstructure switching device

Abstract

The invention relates to a superstructure switching device comprising a stock rail ( 12 ), a switching rail ( 14 ) that changes into a control rail such as a channel rail, a guide rail ( 10 ), a retainer ( 18 ) that holds the switching rail on the control rail side in a force-fit, in particular by means of a wedge element and a slide device ( 16, 30, 32, 34 ) that supports the switching rail in a sliding manner. The aim of the invention is to use a minimum of components for configuring the device, without forfeiting any functional efficiency. To achieve this, the guide rail ( 10 ) is a machined section of a rolled rail-steel section ( 24 ), which has on the control-rail side a cross-section ( 26 ) that corresponds to the control rail and seamlessly changes into the latter.

1 . Railroad track switch device comprising a stock rail ( 12 ), a switching rail ( 14 ) that merges into a control rail such as a channel rail, a guide rail ( 10 ), a retainer ( 18 ) that holds the switching rail on the control rail side in a force-fit, in particular by means of a wedge element, and a slide device ( 16 ,  30 ,  32 ,  34 ) that slidably supports the switching rail, characterized in that the guide rail ( 10 ) is a machined section of a rolled section ( 24 ,  124 ) of rail steel, which has a cross-section ( 26 ) corresponding to the control rail at the control rail side and seamlessly merges into it.  
     
     
         2 . Railroad track switch device according to  claim 1 , characterized in that the rolled section ( 24 ,  124 ) is made of rail steel or contains it.  
     
     
         3 . Railroad track switch device according to  claim 1  or  2 , characterized in that the rolled section is a structural rail ( 24 ,  124 ).  
     
     
         4 . Railroad track switch device according to at least one of the preceding claims, characterized in that the structural rail ( 24 ) is a thick web rail, a filled line end rail, a filled section rail or a rectangular rail ( 124 ).  
     
     
         5 . Railroad track switch device according to at least one of the preceding claims, characterized in that the retainer ( 18 ), such as a switch adapter, holding the end of the switching rail ( 14 ) on the control rail side is welded to the machined rolled section ( 24 ,  124 ).  
     
     
         6 . Railroad track switch device according to at least one of the preceding claims, characterized in that the retainer ( 18 ) holding the end of the switching rail ( 14 ) on the control rail side is a reforged section of the rolled section ( 24 ,  124 ).  
     
     
         7 . Railroad track switch device according to at least one of the preceding claims, characterized in that the retainer ( 18 ) holding the end of the switching rail ( 14 ) on the control rail side is fixedly connected to the rolled section ( 23 ,  124 ) by means of screw connections.  
     
     
         8 . Railroad track switch device according to at least one of the preceding claims, characterized in that the rolled section ( 24 ,  124 ) is bent to obtain a shape corresponding to a conventional guide rail.  
     
     
         9 . Railroad track switch device according to at least one of the preceding claims, characterized in that the rolled section ( 24 ), before and after the retainer ( 18 ), is relatively offset, and in particular as viewed from the switch rail tip in front of the retainer ( 18 ) has a course before the retainer which is offset from the course in and beyond the retainer.  
     
     
         10 . Railroad track switch device according to at least one of the preceding claims, characterized in that the retainer ( 18 ) is connected with the rolled section ( 24 ) at a distance from the end of said rolled section ( 24 ) on the control rail side.  
     
     
         11 . Railroad track switch device according to at least one of the preceding claims, characterized in that the channel ( 36 ), which extends seamlessly into the control rail, is formed in the rolled section ( 24 ) before or after the connection of the retainer ( 18 ) with the rolled section ( 24 ).  
     
     
         12 . Railroad track switch device according to at least one of the preceding claims, characterized in that the retainer ( 18 ) is connected, e.g. welded, to the web ( 28 ) and/or foot ( 46 ) of the structural rail as the rolled section ( 24 ).  
     
     
         13 . Railroad track switch device according to at least one of the preceding claims, characterized in that the channel ( 36 ) is defined, in the area of the retainer ( 28 ), on its flank side, on the one hand, by the rolled section ( 24 ) and, on the other hand, by the switching rail ( 14 ) and by the rolled section at the bottom.  
     
     
         14 . Method for forming a railroad track switch device comprising a stock rail, a switching rail that merges into a control rail such as a channel rail, a guide rail, a retainer that holds the switching rail and a slide device that slidably supports the switching rail between the stock rail and the guide rail, characterized in that the guide rail is made from a rolled rail-steel section by machining and merges into a section having a cross-sectional shape which corresponds to the control rail and which is section formed by machining a section of the rolled section.  
     
     
         15 . Method according to  claim 13 , characterized in that the rolled section, prior to the processing, in particular the machining, thereof, is bent to obtain a desired shape of the guide rail.  
     
     
         16 . Method according to  claim 13  and  14 , characterized in that the machined rolled section is connected, in particular by welding, to the retainer receiving the end of the switching rail at the control rail side.  
     
     
         17 . Method according to  claim 13  to  15 , characterized in that the channel which merges into the channel rail is formed in the rolled section before or after the connection thereof with the retainer.  
     
     
         18 . Method according to  claim 13 , characterized in that the rolled section is given its basic cross-sectional shape by e.g. autogenous gas cutting prior to the machining.  
     
     
         19 . Method according to  claim 13  or  17 , characterized in that the rolled section is connected, e.g. welded, to the retainer after the machining and the rolled section is then bent to obtain the desired shape.  
     
     
         20 . Method according to at least one of the preceding claims, characterized in that a rolled rail-steel section is used as the rolled section.