EP0920554A1 - Coeur de croisement pour aiguillages et croisements - Google Patents

Coeur de croisement pour aiguillages et croisements

Info

Publication number
EP0920554A1
EP0920554A1 EP97940107A EP97940107A EP0920554A1 EP 0920554 A1 EP0920554 A1 EP 0920554A1 EP 97940107 A EP97940107 A EP 97940107A EP 97940107 A EP97940107 A EP 97940107A EP 0920554 A1 EP0920554 A1 EP 0920554A1
Authority
EP
European Patent Office
Prior art keywords
rail
centerpiece
rails
wing
tip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97940107A
Other languages
German (de)
English (en)
Other versions
EP0920554B1 (fr
Inventor
Oswald Lochschmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INNOVATIESTICHTING HIGH RAIL TECH
Original Assignee
Hubmann Hans-Peter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubmann Hans-Peter filed Critical Hubmann Hans-Peter
Publication of EP0920554A1 publication Critical patent/EP0920554A1/fr
Application granted granted Critical
Publication of EP0920554B1 publication Critical patent/EP0920554B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B11/00—Rail joints
    • E01B11/44—Non-dismountable rail joints; Welded joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003—Means for reducing the development or propagation of noise

Definitions

  • the invention relates to a centerpiece for switches and crossings according to the preamble of claim 1.
  • a centerpiece is known from EP 0 282 796.
  • the wing rails are held at a distance from the frog tip by chucks to ensure the width of the flange groove.
  • the centerpiece is penetrated by a sleeve with play, this sleeve being supported on both sides by spacer elements on lining pieces, which in turn lie in lug chambers of the wing rails.
  • the wing rails are clamped together by a bolt, the chucks, the spacer elements and the sleeve and thus together form a rigid unit. Only the centerpiece tip can move horizontally and vertically in relation to the two wing rails within the specified play.
  • the two wing rails and the centerpiece tip lie on a ribbed plate, which has vertically upstanding ribs, which serve as stops for the feet of the wing rails or the frog tip for horizontal movement and, because of the horizontally predetermined play, allow a desired horizontal mobility.
  • WO 94/02683 shows a centerpiece which is composed of two non-welded rail sections and is screwed together by means of lining pieces and a bolt which penetrates the webs of the wing rails and the centerpiece.
  • the rail sections of the frog are penetrated by a sleeve without play or the surfaces of the frog sections facing one another are profiled by a wzb.
  • a toothing extending in the longitudinal direction, the tooth flanks of which lie against one another without play, is coupled to one another.
  • EP 0 282 796 A centerpiece similar to EP 0 282 796 is also known from EP 0 281 880 B1 and DE 37 08 233 AI.
  • simple, rigid frogs are arranged in points at the points where the inner wheel flange of the wheels cuts through the two driving surfaces in the intersection area for easy passage.
  • the wheel bandages are so wide that they cover the width of the groove and the width of the tip of the frog, which is just stable. With this free passage of the wheel flange, the wheel drum, which transmits the wheel load, must allow the crossing of overlapping driving surfaces without destroying the narrow centerpiece without problems.
  • the rigid, simple heart pieces composed of rails with the three main parts (ie the two wing rails and the simple heart tip) are screwed together by chucks, which should also prevent longitudinal displacement due to temperature fluctuations and braking.
  • HV fittings high fix-tightened screw connections
  • screw connections of the rigid, simple frogs have, in addition to the very high manufacturing and maintenance costs, other essential technical defects, which have a particularly disadvantageous effect on the service life.
  • the very high manufacturing costs are primarily due to the fact that solid rails of the respective rail profile are used instead of the standard rails normally used in the track and switches.
  • both the main tip and the tip must be machined, in most cases up to half in the critical area.
  • the area to be welded must be approx. 400 to 500 ° C preheated so that there are no cracks when welding the carbonized rail steel. This temperature must be maintained during the entire welding period. Most of the time, however, it is not held at this height, so that Martens formation occurs in the welding area and the seams tear or swell after a short time. t he top rails break, which unfortunately is still very often the case today.
  • the transfer area of the bandage from the wing rail to the tip or vice versa is often tempered or pearlized in order to reduce wear.
  • tempering or pearlizing however, decarburization occurs at the start and end area, which leads to lower strength of this area, which in practice leads to increased maintenance expenditure due to the so-called soft dents after a short start-up.
  • the horizontal stiffness which corresponds to a multiple of a simple rail due to the very high moment of inertia of the entire centerpiece around the y-axis, places excessive demands on the wheel control arm.
  • the wing rail should be horizontally elastic, particularly when starting off with the wheel back of a wheel.
  • the centerpiece which has been used for over 100 years and is mostly cast from high-quality manganese steel, but also the bolted centerpiece, is practically like a stiff block, i.e. like a foreign body, in the switch.
  • the transition area is still on a threshold for screwed-on frogs, which further increases the rigidity.
  • the chucks are also arranged in this area, so that the moment of inertia about the X axis, which is decisive for the elastic vertical deflection of the frog tip, is approximately more than five times the control cross-section in the impact cross-section.
  • the overflow from the wing rail to the frog tip is similar or even worse with cast frogs, and worse is the case with block frogs, because there the support moment is not only five times, but often more than ten times that of a normal control rail.
  • the primary object of the invention is to improve the core of the type mentioned in such a way that a longer service life and greater availability of the core in the operating track is achieved with less manufacturing and material expenditure.
  • the invention is based on the knowledge that the three main components, namely two wing rails and a frog tip can be completely decoupled from one another with regard to their mass or their moment of inertia if the chucks and their screwing are eliminated.
  • the relative position of these three main parts in the horizontal direction is ensured by vertically upstanding ribs of a ribbed plate, between which the main parts are kept essentially free of play (within narrow tolerances).
  • the three main parts are fixed vertically and elastically by means of elastic tension clamps, which clamp the three main parts vertically and elastically only in the plate area.
  • the groove width is ensured by the ribs on the ribbed plate and by the corresponding machining of the feet and heads of the wing rails and the centerpiece tip.
  • the ribbed plates in turn are attached to sleepers, preferably screwed.
  • the frog tip consists of control rails which are welded together over the length of the frog tip at the head and foot.
  • a particularly elastic intermediate layer is inserted between the respective foot of the wing rails or the frog tip and the bearing surface on the rib plates. This allows each of the three main parts to vibrate at a corresponding natural frequency, which increases the elasticity and thus improves driving comfort and significantly extends the service life.
  • elastic intermediate layers possible additional different thickness intermediate layers.
  • the desired greater height of the overflow surface can be set very precisely without any problems. Wear that has occurred can also be compensated for without having to carry out a build-up weld with subsequent reprofiling of the driving surface in the area of the build-up weld. This considerably reduces the maintenance effort and, above all, increases the availability of the subject matter of the invention to almost 100% of the time spent in the operating track.
  • the inner areas of the wing rails and both outer foot sides of the frog tip are now also tightened by means of elastic tension clamps. clamped, preferably clamping forces of 10-15 kN per clamping point can be achieved.
  • clamped preferably clamping forces of 10-15 kN per clamping point can be achieved.
  • the three areas: centerpiece tip and two wing rails are tensioned on their own as high as the entire rigid centerpiece used to be.
  • the necessary hiking protection which is intended to prevent a relative displacement of the wing rails and the centerpiece tip in the longitudinal direction of the rail, can be considerably more economical and also easier. Such hiking protection is described in more detail in the subclaims and the description below.
  • Another great advantage of the invention lies in the very simple and economical disposal of the frog tip or one or both wing rails.
  • Shunting systems which mostly have rigid, simple frogs for economic reasons, are often located near residential areas. Due to the completely elastic support points of the wing rails and the frog tip, the noise emission is greatly reduced.
  • Another particular advantage of the invention lies in the easy height adjustability of the running surfaces of the two wing rails, but also the centerpiece tip as compensation for vertical wear and also for hiking protection. It is easy to adapt the tension clamps of the "SKL" type commonly used in Germany, for example, to rails and switches.
  • the support points of the tension clamps are essentially at the same height in contrast to the usual SKL tension clamps, in which the two support points are at different heights.
  • the three main components in the area are to reduce the number of executives, particularly when traveling between the two wing rails and the two top rails, but also between the centerpiece tip and the two wings of the respective support points braced vertically elastically with slightly modified tension clamps.
  • the centerpiece In order to be able to install a centerpiece according to the invention in a very short time on a construction site, the centerpiece is delivered fully assembled with the associated ribbed plates to the construction site.
  • a simple, rigid centerpiece optimized in all respects, can be installed in the shortest possible time without any problems.
  • Spare parts such as the two wing rails and the centerpiece tips can be kept in stock, so that the subject of the invention is almost 100% available for railway operation within a very short time without extensive storage.
  • the inner bracing ribs are made narrower and higher - with the same load-bearing capacity - than the outer ribs in order to keep the rail foot widths as large as possible and the To be able to replace hook bolts if necessary without dismantling the rails.
  • This width is based on the standard width of the hook screws commonly used for SKL bracing, which is 24 mm, which results in an overall width of 24 mm on each side of the rib with an air gap of 1 mm. Since the stability of the centerpiece tip depends solely on the width of the rail foot in the panel area, the ribbed panels are widened so that they do not become loose when braced
  • the foot For heavy duty switches, the foot should only be slightly narrowed in the inner plate area for half the width of the ribs. Since the length of the rib is forged from a single piece and welded to the base plate, the corresponding foot areas are only released by a maximum length of 120 mm.
  • the two feet can be planed or milled over their entire length according to the proportion of rib width, which means inexpensive production.
  • the centerpiece and wing rails are connected vertically to the ribbed plates of the sleepers using tension clamps (SKL).
  • the previous block unit consisting of a rigid centerpiece and wing rails has thus been broken down into individual rails. These individual rails each have their own elasticity, so that the subject matter of the invention behaves practically like a normal track rail in terms of vibration and damping behavior.
  • the chucks used up to now are no longer necessary, as are the previous screw connections.
  • the individual rails are easier to replace. Additional plastic intermediate layers can be retrofitted under the rails, with which the stepless height adjustment of the running surfaces is effected. The previous repair of the wing pieces by cladding is no longer necessary.
  • the bracing takes place vertically by means of tension clamps.
  • the individual rail feet have approx. 1 mm air to one side in the narrow area.
  • the ends of the two control rails that run the entire length of the frog tip Go through without welding and form the tip are welded together on the head and foot in the shortest possible area. Welding processes such as gas pressure welding, CO, shielding gas welding, inductive pressure welding, electron beam welding or laser welding can be used here.
  • the centerpiece consists of two control rails such as. B. of the type UIC 60, which are machined in the area of the tips on their adjacent head and foot areas according to the narrowing in the area of the tip geometry and are welded to the head and foot of the tip formed in this way by means of V longitudinal seams or other types of seams.
  • the front area of the tip can also be made in one piece as a forged or cast molding and welded to the two heart tips welded together at the head and foot.
  • each hiking protection side is designed in two parts with several contact surfaces in the longitudinal and transverse directions, which transmit the longitudinal forces from the tip to the wing rail and vice versa. These forces are approx. 600-800 kN. To bridge the height differences when the wing rail surfaces are worn, either additional or differently thick intermediate layers are used under the wing rail feet.
  • the two parts belonging together can move vertically against each other in order to adjust the height of the rails. Over several contact surfaces, they can transmit large forces in the longitudinal direction of the rail, which are several times greater than the hiking protection devices according to the prior art, which are common with switch tongues. A small amount of play between the contact surfaces can reduce the transmittable longitudinal rail forces. The movement can also be limited in the transverse direction of the rail by contact surfaces with play.
  • the comb-like parts of the hiking protection can also be trapezoidal.
  • Fig. 1 a top view of a centerpiece according to the invention
  • FIG. I ' ⁇ - Fig. 2: a side view of the frog tip according to FIG. I;
  • FIG. 3 shows a side view of the overflow running surface height of the two wing rails according to the invention in the heart of FIG. 1;
  • FIG. 4 shows a section along the plate 249 of FIG. 1;
  • FIG. 5 a top view of the sectional illustration of FIG. 4 (on the plate 249);
  • FIG. 7 a top view of the sectional view of FIG. 6;
  • FIG. 8 shows a plan view of a part of the centerpiece according to the invention with a hiking protection device according to a first variant of the invention
  • Fig. 9 a section along the line B-B of Fig. 8;
  • FIG. 10 shows a section along the line C-C of FIG. 8 through the hiking protection according to the first variant of the invention
  • FIG. 14 a section along the line II of FIG. 13;
  • Fig. 15 a to 15 c sections along the lines FF, GG and HH of FIG. 13;
  • FIG. 16 is a plan view of a fin plate used in the invention.
  • Fig. 17 a section along the line E-E of Fig. 16;
  • FIGS. 16 and 17 are side views of an inner rib of the fin plate of FIGS. 16 and 17;
  • FIGS. 16 and 17 are side views of an outer rib of the fin plate of FIGS. 16 and 17;
  • FIG. 21 a section similar to FIG. 20, however, after the open pressure welding has ended;
  • FIG. 22 shows a section similar to FIG. 20 of two rail parts forming a frog tip during the preheating process with a closed pressure welding
  • Fig. 1 shows a plan view of a centerpiece according to the invention.
  • the two control rails 4 and 5, which together form the frog tip 3, are extended beyond the theoretical focal point and are welded to the head and foot as the frog tip 3 in the front area.
  • On both sides are welded to the head and foot as the frog tip 3 in the front area.
  • the centerpiece tip 3 are also each a wing rail 1 and 2 arranged to form track grooves 11.
  • the rail parts mentioned lie on ribbed plates 246-253 or 223 (these numbers refer to the nomenclature used by Irish Bahn AG).
  • the frog parts such as wing rails 1 and 2 and frog tip 3 are not rigidly connected to one another via chucks and screw connections, but are respectively vertically elastic by means of clamping clamps 26, 27, 28 and 29 on the respective ribbed plate 246-253 and 223 tense.
  • the wing rails 1 and 2 are clamped on their outside in a conventional manner by means of tension clamps 26, these tension clamps being, for example, conventional SKL 12 tension clamps.
  • tension clamps being, for example, conventional SKL 12 tension clamps.
  • wing rail braces are provided in the form of tension clamps 28, which are supported on the one hand on the foot of the wing rail and on the other hand on the foot of the frog tip.
  • an internal tip bracing in the form of a tension clamp 29 is provided, which rests on the inwardly facing feet of these two tips.
  • a hiking protection 30 is provided, which is arranged here between the rib plates 250 and 251, but alternatively can also be arranged between the rib plates 249 and 250. The hiking protection 30 is explained in more detail in connection with FIGS. 6 to 11.
  • the hiking protection acts only in the longitudinal direction of the rail, thus avoiding vertical coupling of the main components, so that the moment of inertia is not increased in this area either.
  • This hiking protection 30 is screwed onto the webs of the frog tip 3 and the respective wing rail 1 or 2. Accordingly, these wing rails or the tip have bores 31 and 32 in this area, which can be seen in FIGS. 7 and 8.
  • FIG. 2 shows a side view of the frog tip 3 with the milled tip area 6. Furthermore, the transfer area 34 lying between the plates 248 and 249 can be seen, in which the running surface of the frog is lowered slightly and relatively briefly.
  • FIG. 3 shows a side view of the wing rail 1, the illustrations of FIGS. 1, 2 and 3 being shown aligned with respect to the relative position of the main parts in the longitudinal direction of the rail.
  • wing rail 1 in the area between the two points 35 is slightly elevated compared to the driving surface height of the frog tip, corresponding to the taper of the wheel bandages, so that the wheel is neither lowered nor raised when changing from the frog tip to the wing rail and vice versa becomes .
  • the SO height (rail surface) of the wing rail is shown by the thinner line 36, which runs flat (horizontal) between the points 35 with respect to the running surface 37 of the wing rail.
  • FIG. 4 shows a section along line A-A on plate 249 of FIG. 1.
  • the centerpiece tip 3 still largely has its full height and still carries a part of the wheel load.
  • the two continuous tip rails 4 and 5 are welded together at the head and foot by C0 2 protective gas welding.
  • the rib plate 249 has two vertically upstanding ribs 39a and 39b and two lateral ribs 40 and 41 which are lower than the ribs.
  • the distance between the ribs 40 and 39a and. 39b and 41 corresponds to the width of the foot 16 of the wing rails 1 and
  • the two wing rails 1 and 2 stand on intermediate layers 42, which have a thickness of, for example, 9 mm and are preferably made of elastic material. Furthermore, an additional intermediate layer 43 is inserted between the intermediate layer and the underside of the foot, with which the above-mentioned elevation of the wing rail relative to the SO height of the frog tip can be adjusted.
  • intermediate layers 43 can be easily replaced and, if the running surface of the wing rails wear, can be replaced by a thicker intermediate layer, as a result of which the previously described build-up welding to repair the running surface of the wing rails 1 and 2 is eliminated.
  • the outwardly facing parts of the rail feet 16 ' are braced vertically and elastically with respect to the upper side 38 of the ribbed plate by means of conventional tensioning clamps 26.
  • a hook screw 44 is fastened to the outer ribs 40 and 41, specifically by means of a dovetail fastening.
  • a threaded bolt protrudes from the screw holder, onto which a nut 45 with washer 46 is screwed, as a result of which the tensioning clamp 26 is braced on the one hand with respect to the ribbed plate 249 and on the other hand with respect to the outwardly pointing foot 16 'of the respective wing rail 1 or 2. From Fig.
  • the tension clamp 26 rests on the ribbed plate and the foot at different heights.
  • the two inner feet of the wing rails 1 and 2 are tensioned against the rib plate 249 by an inner wing rail tension 28, wherein a hook screw with nut 45 is also attached to the middle ribs 39a and 39b, via which the tensioning clamps 28 by means of the nut 45 and a washer 46 is clamped.
  • the tension clamp 27 lies on the two feet 16 and 49 the respective wing rail and the tip of the frog at substantially the same height.
  • the two wing rails 1 and 2 are completely decoupled from each other in the vertical direction and thus can freely swing from one another or can bend elastically.
  • the outer tensioning clamps 26 are conventional tensioning elements, such as those used by Deutsche Bahn AG under the name SKL 12. 5
  • the tension clamps 28 for the inner bracing have essentially the same shape as the tension clamp 26. In the cross section of FIG. 4, however, they differ in that both sides are at substantially the same height on the inner rail feet 16 of the two wing rails and the centerpiece tip.
  • Fig. 5 shows a corresponding top view of the area of the rib plate 249.
  • the rib plate has four ribs analogous to plate 248, i.e. the two outer, lower ribs 40 and 41 and the two inner, higher ribs 39a and 39b.
  • the two tip rails forming the frog tip 3, i.e. the control rails 4 and 5 are welded together at the head and foot and each have outward-pointing feet 49, on which inner wing-top rail braces are supported, which are also designed here as tension clamps, but differ from the tension clamps 28 that the support on the feet 49 of the frog tip 3 is lower than the support on the feet 16 of the wing rails 1 and 2.
  • FIG. 6 shows a section through the fin plate 251, that is to say in an area in which the control rails 4 and 5 merge straight from the separate tip area into the welded area of the frog tip, which is indicated by the weld seam 51 in FIG. 7.
  • the rib plate here has a total of five ribs, namely the two outer ribs 40 and 41, the two ribs for the wing tip rail bracing 39a and 39b, and a middle rib 52 which is between the tip rail
  • the tensioning clamps for the inner wing-tip rail bracing 28 are designed such that they have the same contact height on both sides. In principle, the same tension clamps can be used as in the inner wing rail bracing of FIGS. 4 and 5. It should also be noted that the two wing rails in the subject matter of the invention end after the plate 251, whereas according to the prior art this only behind the Plate 253 ends. The shortening was made possible by the much greater horizontal elasticity of the two wing rails, which were only clamped at the foot.
  • FIG. 7 shows a top view of the section of FIG. 6.
  • the transition area from the welded part of the frog tip 3 (weld seam 51) to the control rails 4 and 5 can be seen, as well as the narrower rib 52.
  • FIG. 8 shows a first variant of the hiking protection 30, each with five screws (cf. FIG. 1), in a top view, leaving out the tip and wing rail heads, that in the area of the frog tip between the rib plates 250
  • the hiking protection 30 consists of two pairs of hiking protection elements 57 and 58, of which the exterior is braced with the wing rail 1 or 2 and the interior 58 at the associated frog tip 3.
  • the attachment is preferably carried out by means of HV screws 59 which pass through the bore 32 (FIG. 3) of the wing rail and by screws 60 which pass through bores 31 of the two tip rails 4 and 5.
  • Both hiking protection elements 57 and 58 of a pair each have a base body 62 or 63, which extends into the plate chamber 18 of the wing rails 1 or 2 or the plate chamber 61 of the tip rails 4 and 5 and extends parallel to the respective web of the rail, which is assigned by the Screw 59 or 60 into the tab chamber and is braced against the web of the rail.
  • the stop elements are accordingly shaped so that when laying the rails in the track, the top rails 4 and 5 with screwed-on hiking protection elements 58 are first placed on the ribbed plates and then the wing rails with the screwed-on hiking protection elements 57 are lowered vertically from above, the stop elements then 57 and 58 intermesh like a comb and ensure the relative alignment of the rails in their longitudinal direction.
  • the stop elements 64 or 65 of the respective hiking protection elements 57 and 58 form, as can be seen from FIG. 9, a pot 73 which is open to the opposite rail in order to ensure the insertion of the screw 59 and the reception of the screw head.
  • the stop elements have, as can best be seen in the left part of FIG. 8 and especially from FIG. 9, vertical wall sections 67 and 68 which engage and thus form a stop in the direction perpendicular to the longitudinal axis of the rail in the y direction. These vertical wall sections 67 and 68 run only over approximately half the length of the stop elements 64 and 65 measured perpendicular to the longitudinal axis of the rail and begin at the free end of the stop elements.
  • the vertical stop elements 67 connected to the control rails 4 and 5 run from bottom to top, ie from the rail foot in the direction of the rail head, while conversely the vertical wall sections 68 connected to the wing rail 1 and 2 run from top to bottom, i.e. from Run the rail head to the rail base to enable the wing rails with their hiking protection elements to be used from above.
  • the respective adjacent rails 1 and 4 or 5 and 2 are connected to one another via the hiking protection elements, no rigid coupling such as e.g. as with the conventional chucks, but the rail parts can bend, move or vibrate independently of each other and are therefore completely decoupled from each other with regard to the moment of inertia in the vertical direction, especially since the arrangement with its main mass is provided in the vicinity of the neutral X-axis .
  • Each hiking protection element 57 and 58 has stops 64 and 65, which have recesses 75 between them, which receive the respectively opposite stop 64 and 65, so that the hiking protection elements engage in a comb-like manner.
  • the stops 64 and 65 projecting from the respective base body 62 and 63 have a cylindrical opening 73, in the bottom of which a bore 74 for the passage of the
  • each Wanderschele entes 57 and 58 have vertically extending legs 67 and 68, which also engage (see section aa), whereby the wing rail and the frog tip are also held together in the direction transverse to the longitudinal axis of the rail, ie in the y direction, thereby securing the rails against tipping.
  • aa vertically extending legs 67 and 68, which also engage (see section aa), whereby the wing rail and the frog tip are also held together in the direction transverse to the longitudinal axis of the rail, ie in the y direction, thereby securing the rails against tipping.
  • there is no coupling in the vertical direction so that all rails, ie the frog tip and the two wing rails, can move freely freely in relation to the other rails and in this respect only the moment of inertia of the individual rail, which increases the vertical elasticity, is effective.
  • Fig. 12 shows a variant of a hiking protection with three screws in a sectional plan view.
  • the hiking protection consists of two pairs of hiking protection elements 57 and 58, of which the outer 57 by means of three screws on the web of the wing rail 1 and 2 and the inner 58 also by means of three screws 60 on the webs 4 and 5 of the frog tip Control rails is clamped.
  • the webs mentioned each have holes for receiving the screws.
  • both hiking protection elements 57 and 58 of a pair each have a base body 62 or 63, which protrudes into the lug chamber of the wing rails or the top rails and extends parallel to the respective web of the rail, from which teeth 93-98 protrude, which serve as stop elements and intermesh like a comb.
  • the traveling protection element 57 fastened to the wing rail 1 or 2 has two teeth 93 and 94 arranged offset in relation to one another in the longitudinal direction of the flight, while the traveling protection element 58 attached to the standard rail 4 has two pairs of teeth 95, 96 and 97, 98, each between them tooth 93 or 94
  • the teeth 93 and 94 are trapezoidal in plan view with a widened root of the teeth, as a result of which the teeth can absorb greater forces.
  • the gap between the teeth 95 and 96 or 97 and 98 is correspondingly trapezoidal, so that the hiking protection elements engage with one another with little play (2-3 mm). Since forces acting in the longitudinal direction of the rail also result in a force component running transversely to the longitudinal direction of the rail due to the trapezoidal shape of the teeth, interlocking hooks 67, 68 are provided at both ends of a pair of traveling protection elements 57, 58, which absorb these transverse forces.
  • Fig. 13 differs from that of Fig. 12 in that the teeth 93-98 have a rectangular profile in plan view, which is why the hooks are omitted.
  • the individual teeth of a hiking protection element are connected to one another by webs 99 and 100, these webs lying parallel to the driving plane and being arranged offset from one another.
  • the web 99 of the traveling protection element 58 connected to the frog tip lies above the web 100 of the traveling protection element 57 connected to the wing rail. The frog can thus be used from above when the wing rail is already attached to the track.
  • 15c shows a cross section of the hooks which absorb the transverse forces.
  • FIG. 14 illustrates again as a section along the line I-I in FIG. 13 the comb-like intermeshing of the teeth 93-98 and the webs 99 and 100 bridging the teeth.
  • FIG. 16 shows a top view
  • FIG. 17 shows a cross section of a ribbed plate as used in the invention.
  • the embodiment shown here with four ribs is suitable for the rib plates 250 and 251 of FIG. 1, it being pointed out that in FIGS. 12 and 15 the ribs run parallel to one another and at right angles to the edge of the rib plate while they are in the Practice (cf. Fig. 1) must of course be aligned at the acute angle at which the rails run.
  • the rib plate consists of an elongated, rectangular flat plate 83, from the top of which the ribs 40, 39a, 39b and 41 protrude vertically.
  • the distance between the opposite surfaces of the ribs 40 and 39a and 39b and 41 corresponds to the outside of half the foot width, the inside of the shortened foot of the wing rails and the distance between the opposite sides of the ribs 39a and 39b corresponds to the adjusted width of the foot of the two welded tip rails.
  • the ribbed plates have a bore 85 on both sides, through which fastening screws (for example wooden sleeper screws 33 in FIG. 1 or also push-through screws for concrete sleepers) can be pushed through for fastening with the sleeper.
  • the ribs 40 and 41 on the one hand and 39a, 39b on the other hand have different heights and take into account the different heights of the support points of the tension clamps.
  • the ribs have a cuboid base and are fixed to the plate 83, be it by welding or by hole welding, for example by inserting short cylindrical pins 86, which are forged onto the ribs, into holes in the plate 83.
  • 20 shows a cross section of two control rails forming the frog tip before an "open" weld.
  • the section is taken approximately between the rib plates 249 and 250 of FIG. 1.
  • the tip rails 4 and 5 to be welded to one another are pre-machined on the mutually facing surfaces of the rail head 15, the foot 16 and the web 17, the rails being welded to one another only on surfaces 52 in the head region and 53 in the foot region.
  • 20 and 21 is a so-called open welding, in which the surfaces 52-52 and 53-53 to be welded to one another have a horizontal distance into which an acetylene oxygen burner or an inductive heater 54 and 54, respectively 'is arranged to warm up. These burners or warmers heat the surfaces to be welded to the welding temperature.
  • the burners or warmers 54 and 54 ' are then removed from this area, for example swung out, and the two rail areas are pressed against one another, which then results in weld seams 55 and 56.
  • This open pressure weld is characterized by a relatively small weld bead. It is also achieved that the two rail webs 17 are relatively close together and their distance 56 'is only about 3-4 mm maximum, whereby the stability, in particular in the front tip area of the frog tip 3, is significantly increased.
  • 21 shows the frog tip after welding on the foot by the weld seam 56 and on the head by the weld seam 55.
  • FIGS. 22 and 23 show a representation similar to that of FIGS. 20 and 21, however, for a closed pressure welding.
  • the heating units 54 and 54 ' are above the head
  • the seams to be welded can have a considerable length of 1-2 m or even longer. Despite this length, press-welded seams show an excellent material quality, since no additional welding material is used and the critical additional preheating is practically eliminated, as is otherwise the case with welding using CO, inert gas welding according to the prior art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Push-Button Switches (AREA)
  • Cosmetics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Prostheses (AREA)
  • Toys (AREA)
  • Details Of Garments (AREA)
  • Ceramic Products (AREA)
  • Stringed Musical Instruments (AREA)
  • Scissors And Nippers (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Tumbler Switches (AREA)
  • Drawers Of Furniture (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Numerical Control (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Railway Tracks (AREA)
  • Ladders (AREA)
  • Connection Of Plates (AREA)
  • Escalators And Moving Walkways (AREA)
  • Window Of Vehicle (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

L'invention concerne un coeur de croisement rigide pour aiguillages et croisements, comportant deux pattes de lièvre (1, 2) et une pointe de coeur de croisement (3, 6, 4, 5) intercalée, qui forme avec les pattes de lièvres, des ornières (11) formant un angle de pointe les unes par rapport aux autres. L'invention est caractérisée en ce que les pattes de lièvre sont raccordées de façon élastique avec des plaques nervurées (247-253) par l'intermédiaire de dispositifs anticheminants sur chaque côté du patin. Cette conception permet de supprimer, dans les rails individuels, l'unité d'un coeur de croisement rigide avec des pattes de lièvres et une pointe vissée avec un boulon HR. Les rails individuels présentent chacun leur propre élasticité de sorte que le comportement du coeur de croisement en matière de vibrations et d'amortissement est le même qu'un rail normal dans une voie. Ceci permet de supprimer les cales éclisses utilisés jusqu'à présent. Placées sous les rails, des plaques permettent de régler en hauteur notamment les pattes de lièvre (1, 2) de sorte que même une usure de la surface de roulement des pattes de lièvre peut être compensée en hauteur par une modification de l'épaisseur des semelles. Les semelles (42, 43) peuvent être élastiques. Des segments de rails sont maintenus pratiquement sans jeu par des nervures (39, 39a, 39b, 40, 41) dans la direction transversale à l'axe longitudinal des rails. Afin d'éviter un déplacement longitudinal des pointes par rapport aux deux pattes de lièvre, il est prévu de placer un dispositif anticheminant conçu de façon adéquat, au niveau des extrémités des pattes de lièvre.
EP97940107A 1996-08-21 1997-08-21 Coeur de croisement pour aiguillages et croisements Expired - Lifetime EP0920554B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19633694 1996-08-21
DE19633694 1996-08-21
PCT/EP1997/004561 WO1998007928A1 (fr) 1996-08-21 1997-08-21 Coeur de croisement pour aiguillages et croisements

Publications (2)

Publication Number Publication Date
EP0920554A1 true EP0920554A1 (fr) 1999-06-09
EP0920554B1 EP0920554B1 (fr) 2000-12-13

Family

ID=7803228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97940107A Expired - Lifetime EP0920554B1 (fr) 1996-08-21 1997-08-21 Coeur de croisement pour aiguillages et croisements

Country Status (18)

Country Link
US (1) US6340140B1 (fr)
EP (1) EP0920554B1 (fr)
AT (1) ATE198085T1 (fr)
AU (1) AU4206397A (fr)
CA (1) CA2263689C (fr)
CZ (1) CZ294025B6 (fr)
DE (1) DE59702767D1 (fr)
DK (1) DK0920554T3 (fr)
ES (1) ES2155698T3 (fr)
HU (1) HU222386B1 (fr)
NO (1) NO312556B1 (fr)
PL (1) PL187792B1 (fr)
PT (1) PT920554E (fr)
RO (1) RO119241B1 (fr)
SI (1) SI9720055A (fr)
SK (1) SK20899A3 (fr)
TR (1) TR199900343T2 (fr)
WO (1) WO1998007928A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10015522B4 (de) * 2000-03-30 2012-03-29 Bwg Gmbh & Co. Kg Rillenschienenherzstück sowie Verfahren zur Herstellung eines solchen
DE10159516C5 (de) * 2001-06-05 2010-08-05 Josch Strahlschweißtechnik GmbH Verfahren zur Herstellung einer starren Herzstückspitze
MD3969G2 (ro) * 2008-06-12 2010-06-30 ДОЛГОПОЛОВ Владимир Procedeu de confecţionare a acului macazului de cale ferată
US8424813B1 (en) 2011-01-25 2013-04-23 Cleveland Track Material, Inc. Elevated frog and rail track assembly
US8556217B1 (en) 2011-05-24 2013-10-15 Cleveland Track Material, Inc. Elevated frog and rail crossing track assembly
WO2013117325A1 (fr) 2012-02-06 2013-08-15 Voestalpine Bwg Gmbh & Co. Kg Tronçon de voie pour un rail ainsi que procédé pour améliorer le montage élastique
CN102864701B (zh) * 2012-10-26 2015-07-29 大连铁联铁路器材制造有限公司 合金钢加强辙叉
CN102888789B (zh) * 2012-10-26 2015-07-29 大连铁联铁路器材制造有限公司 合金钢加强锻心辙叉
EP3190229B1 (fr) * 2015-12-30 2019-07-31 Polycorp Ltd. Profilé de rail conçu spécifiquement avec un amortisseur à masse syntonisée
CN105862522B (zh) * 2016-04-19 2018-04-13 中铁宝桥集团有限公司 城市轨道交通减振道岔结构
CN107780313B (zh) * 2016-08-29 2019-08-27 北京中科用通科技股份有限公司 一种有轨电车槽型钢轨道岔用钢轨阻尼防护系统
DE102021106050A1 (de) 2021-03-12 2022-09-15 Voestalpine Railway Systems GmbH Herzstück

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LU34773A1 (fr)
DE60326C (de) E. H. BARMORE in Los Angeles, Californien Schienenbefestigung auf rinnenförmigen Querschwellen
GB282796A (en) * 1926-12-29 1928-08-30 British Thomson Houston Co Ltd Improvements in or relating to liquid tachometers
US1905736A (en) * 1931-11-04 1933-04-25 Locomotive Finished Material C Spring frog
US2036198A (en) * 1933-03-29 1936-04-07 Ramapo Ajax Corp Spring frog
GB716185A (en) * 1951-05-24 1954-09-29 Hugh Mackay And Company Ltd Improvements in or relating to pile carpets, rugs and the like
AT314577B (de) * 1971-09-21 1974-04-10 Oesterr Alpine Montan Vignolschienenweiche
DE2454184B2 (de) 1974-11-15 1976-11-04 Elektro-Thermit Gmbh, 4300 Essen Verfahren zur herstellung von herzstuecken
AT345876B (de) 1976-12-03 1978-10-10 Voest Ag Einrichtung zur verbindung von aus manganhartstahlguss bestehenden herzstuecken von schienenweichen oder -kreuzungen mit den regelschienen
AT346885B (de) * 1977-02-10 1978-11-27 Voest Ag Schienenweiche
FR2399299A1 (fr) * 1977-08-05 1979-03-02 Tocco Stel Procede et dispositif de soudage bout a bout par induction de pieces metalliques, notamment de section irreguliere
US4637578A (en) * 1983-10-26 1987-01-20 Abex Corporation Railroad frog having movable wing rails
EP0282796B1 (fr) 1987-03-13 1990-09-05 BWG Butzbacher Weichenbau GmbH Coeur de voie pour aiguillages ou croisements
DE3708233A1 (de) 1987-03-13 1988-09-29 Butzbacher Weichenbau Gmbh Herzstueck fuer weichen oder kreuzungen
ATE64423T1 (de) 1987-03-13 1991-06-15 Butzbacher Weichenbau Gmbh Herzstueckbereich von weichen oder kreuzungen.
AT390084B (de) * 1988-05-20 1990-03-12 Voest Alpine Maschinenbau Weiche mit einem herzstueck mit beweglicher haupt- und beispitze
DE4224156A1 (de) 1992-07-22 1994-01-27 Butzbacher Weichenbau Gmbh Gleisabschnitt
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Also Published As

Publication number Publication date
NO990804D0 (no) 1999-02-19
RO119241B1 (ro) 2004-06-30
NO990804L (no) 1999-04-21
AU4206397A (en) 1998-03-06
EP0920554B1 (fr) 2000-12-13
ES2155698T3 (es) 2001-05-16
HUP9903105A2 (hu) 1999-12-28
CZ294025B6 (cs) 2004-09-15
SI9720055A (sl) 1999-06-30
SK20899A3 (en) 2000-03-13
WO1998007928A1 (fr) 1998-02-26
PL187792B1 (pl) 2004-10-29
TR199900343T2 (xx) 1999-04-21
DE59702767D1 (de) 2001-01-18
CZ52699A3 (cs) 1999-06-16
PL331650A1 (en) 1999-08-02
ATE198085T1 (de) 2000-12-15
PT920554E (pt) 2001-06-29
DK0920554T3 (da) 2001-04-17
CA2263689C (fr) 2003-12-16
HUP9903105A3 (en) 2001-08-28
NO312556B1 (no) 2002-05-27
US6340140B1 (en) 2002-01-22
HU222386B1 (hu) 2003-06-28
CA2263689A1 (fr) 1998-02-26

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