CN105401490A

CN105401490A - Rolling Device For Switching A Tongue

Info

Publication number: CN105401490A
Application number: CN201510572605.2A
Authority: CN
Inventors: F.迈尔
Original assignee: Schwihag AG
Current assignee: Schwihag AG
Priority date: 2014-09-10
Filing date: 2015-09-10
Publication date: 2016-03-16
Anticipated expiration: 2035-09-10
Also published as: CN105401490B; DE102014218125B3; EP2995718A1; BR102015018523A2; BR102015018523A8; EP2995718B1; PL2995718T3; BR102015018523B1; ES2637220T3; EA028810B1; EA201500819A1

Abstract

The invention provides a rolling device for switching a tongue. The rolling device comprises a track rail-bed plate which is directly or indirectly assembled on a sleeper or a fixed track through a highly elastic intermediate plate, and the track rail-bed plate is attached to a stock rail and is provided with a slide chair and a guide frame for accommodating at least one roller, wherein the tongue foot of the switch tongue is placed on the slide chair and is placed on the roller during the adjustment of the switch tonge. Improved operation characteristics of the roller are realized. The rail-bed plate with long-side openings which is ending in a front of the slide chair, and a guide frame which is laterally adjacent to the slide chair and the bottom side which aligns with the rail-bed plate extends and inserts into the long-side openings, wherein the guide frame is releasably connected by elastic means with the rail-bed plate, such that the rail-bed plate can move vertically relative to the guide frame.

Description

For adjusting the roller means of point tongue

Technical field

The present invention relates to a kind of roller means (Rollvorrichtung) for adjustment (umstellen) point tongue (Weichenzunge), described roller means has directly or is indirectly assembled in the track pad (Schienenunterlagsplatte) on sleeper (Schwelle) or fixing track via elastomeric intermediate plate, be fixed with stock rail (Backenschiene) thereon and be furnished with the guide frame of slide plate (Gleitstuhl) and at least one roller of accommodation, wherein, the tongue foot (Zungenfu) of point tongue not only lies on slide plate but also at least and lies on roller when regulating point tongue.

Background technology

Such tongue roller means allows unlubricated track switch (Weiche) and in many embodiments such as, from known for a long time, known by DE4434143C1, EP0904457B1 or DE20316886U1.The track pad holding stock rail and tongue track (Zungeschiene) is put on sleeper or so-called fixing track at this, and this fixing track is understood to without the superstructure of quarrel, the continuous print concrete slab as planar.When the wheel by rail vehicle rolls across (ü berrollung), stock rail springing tempestuously (einfedern), especially track pad by high resiliency by supporting time.This increases the section (such as tunnel, subway) or similar item particular importance that require, because at this place track pad be supported in elastomeric rail supported point on having to noise reduction, vibration damping for high-speed railway.For this reason, between the track that track pad and sleeper are fixed in other words, be especially furnished with elastomeric plastics intermediate plate (dynamic rate <200kN/mm).

Using in situation with the track pad of integrated tongue roller means, away from, that is open or roller that the tongue that leaves stock rail is in tongue roller means in other words generally speaking on two rollers.Via wheel/rail contact, track switch evokes vibration when crossing (ü berfahrt).So when tongue roller means is by the track pad that supports with being integrated in high resiliency rigidly or time coupled, away from point tongue can be evoked less desirable vibration (vibration), special at tongue top place via (multiple) roller.Away from these vibrations of point tongue can cause the less desirable fault of points locking device and/or driver and damage roller means.

This vibration problem is dealt with in the following manner in the situation being become the known device for adjusting point tongue from EP1654422B1, namely have and be arranged in the insert (Einsatz) be releasably connected with track pad by the support frame of the roller supported, wherein, this insert is connected with track pad at edge side via flexible intermediate layer.At this, the connection between insert and track pad is realized by sulfuration.Roller framework and track pad divide defection to reduce to be delivered to vibrating with on the roller of the point tongue kept flat or tongue track or set of rollers by slide plate by this flexible intermediate layer by sulfuration indirectly.The slide plate be arranged on track pad is configured with the intercepting portion of U-shaped, and slide plate surrounds insert with utilizing described intercepting segment section.Between U-shaped arm, there is roller framework, therefore it be medially placed on track pad.

The something in common of known tongue roller means is, its manufacture very complicated and roller means for safeguard or replacing that maintenance is necessary only restrictively and very difficult can to realize.The installation besieged placed in the middle of roller framework impels pollutant in this region can assemble quickly and can cause the inefficacy shifted to an earlier date of roller means.In addition, the accessibility of roller only can restrictively realize with adjustment.

Summary of the invention

Therefore, the object that the present invention is based on is, provide a kind of operation characteristic without above-mentioned shortcoming and therefore with being improved according to roller means as described in the preamble.

According to the present invention, this object is accomplished thus, namely track pad is configured with the space, longitudinal side terminated before slide plate, guide frame can be other and to align with track pad at bottom side and be inserted in space, longitudinal side with extending at slide plate in side, wherein, guide frame is releasably so connected with track pad via elastic element, and track pad can be moved relative to guide frame vertically.At this, propose in preferred embodiments, guide frame is only flexibly connected with track pad at two side (Stirnseite), namely its end face being parallel to stock rail extension.

Therefore roller means or guide frame connect (Anbindung) with direct elasticity and are arranged in track pad.Track pad can be arranged on elastomeric intermediate plate, and guide frame is on sleeper or fixing track with at least one roller, preferably two roller rigidly, wherein, described roller advantageously carries out height adjustment by such as known eccentric adjusting portion itself.In addition, because guide frame is in space, longitudinal side slide plate is other in side, so this guide frame all the time can be freely close in the clear for the maintenance of roller and maintenance purpose or Height Adjustment.

According to a preferably suggestion of the present invention, elastic element is configured to be fixed on guide frame, on two side with the leaf spring (Blattfeder) that at least one tongue protrudes, wherein, be fixed at this place in described tongue engagement to the level trough of the end face in the space, restriction longitudinal side of track pad.By the guide frame that comprises the roller means be such as fixed thereon by screw to track pad place by means of joining being connected in the side of two-side elastic by the leaf spring tongue of riveting if desired at this place in level trough to, guide frame is so fixed in track pad together with roller means, thus can not realize the mobility of level in running status.But guarantee that slide plate can be vertically to guide frame and carry out moving or springing together with roller means simultaneously.

A kind of design scheme of the present invention proposes, and at least one roller and/or its bearing support can flatly adjust towards the direction of stock rail.The location that the horizontal adjustment that roller means separates with distance and the stock rail expected and expecting thus limits can hierarchically, preferred infinitely by elongated hole constitution realization.

Accompanying drawing explanation

Other characteristic sum details of the present invention is drawn by the following explanation of claim and embodiment illustrated in the accompanying drawings of the present invention.Wherein:

Fig. 1 shows a kind of roller means for adjusting point tongue as the details of track switch with total view of perspective; And

Fig. 2 shows the roller means of Fig. 1 with the decomposition of perspective diagram.

Detailed description of the invention

Illustrated in the accompanying drawingsly be anchored (verankern) in sleeper or fixing track with its track pad 3 in known manner for unlubricated the roller means 1 adjusting point tongue 2.This running section at high request (Fahrstrecke) middle ground realizes via the elastomeric intermediate plate 4 be made up of plastic material.On track pad 3, slide plate 5 is integratedly formed, and is parallel to slide plate in side is provided with guide frame 6 for two rollers 7 7a, 7b in other words with extending.

By roller 7a, 7b of variably adjusting in height, due to the support of rolling make in FIG its to abut in the position at stock rail 8 place shown point tongue 2 adjust to away from, become easy in the position of leaving stock rail 8, and vice versa.

As can be learned by Fig. 2 further, track pad 3 is configured with space, longitudinal side 9 on slide plate 5 side abreast.Guide frame 6 with roller 7a, 7b fixed thereon can be inserted into space, described longitudinal side from the side, space opened wide, and is flexibly connected with track pad 3.On guide frame 6 and therefore in addition, under the bearing support 10 holding roller 7a, 7b, the elastic element 11 of leaf spring 12 form is integrated with by such as rivet fixture 13.To have according to the leaf spring 12 of this embodiment (auslaufend) tongue 12a, 12b that U-shaped stops in two end, it is given prominence at two relative guide frames 6 in the side place about longitudinal direction.The engaged at end of tongue 12a, 12b to be limited to front and back in level trough 14a, 14b of the end face of the track pad 3 in space, longitudinal side 9 and is such as fixed in its installation site by rivet fixture 15 (with reference to figure 1) equally at this place.Therefore, guide frame 6 can not move horizontally in this running status, and but track pad 3 can be realized vertically relative to the motion triggered by the power be applied to when rolling across in roller means 1 or the springing of guide frame 6 by leaf spring 12a or its tongue 12,12b.

Be inserted into guide frame 6 in space, longitudinal side 9 usually directly to lie on sleeper or fixing track or as in fig. 2 for situation when lying on concrete axial indicate lie in the wearing and tearing minimizing being conducive to crosstie surface, guarantee on the intermediate plate 4 ' of non-yielding prop (that is static rigidity >=400KN/mm).In addition, as can be more clearly recognized by Fig. 2, hold and be made up of lower plate 10a and upper plate 10b by the bearing support 10 of roller 7a, 7b of supporting, they are connected to each other via screw 16.At this, screw is engaged (durchgreifen) by elongated hole 17, thus makes the bearing support 10 with roller 7a, 7b infinitely move towards the direction of stock rail 8 and to adjust.

Reference numerals list

1 roller means

2 point tongues

3 track pads

4 elastomeric intermediate plates

4 ' intermediate plate

5 slide plates

6 guide frames

7; 7a, 7b roller

8 stock rails

9 space, longitudinal sides

10 bearing supports

10a lower plate

10b upper plate

11 elastic elements

12 leaf springs

The tongue of 12a, 12bU shape

13 rivet fixtures

14a, 14b level trough

15 rivet fixtures

16 screws

17 elongated holes.

Claims

1. for adjusting the roller means of point tongue, described roller means has directly or is indirectly assembled in the track pad on sleeper or fixing track via elastomeric intermediate plate, described track pad is fixed with stock rail and is furnished with the guide frame of slide plate and at least one roller of accommodation, wherein, the tongue foot of described point tongue not only lies in and lies on described roller when regulating described point tongue on described slide plate but also at least, it is characterized in that

Described track pad (3) is configured with the space, longitudinal side (9) of termination before described slide plate (5), described guide frame (6) can be other and to align with described track pad (3) at bottom side be inserted in space, described longitudinal side with extending at described slide plate (5) in side, wherein, described guide frame (6) is releasably connected with described track pad (3) via elastic element (11), and described track pad (3) can be moved relative to described guide frame (6) vertically.

2. roller means according to claim 1, is characterized in that, described guide frame (6) is only flexibly connected with described track pad (3) at two side place.

3. roller means according to claim 1 and 2, it is characterized in that, described elastic element (11) is configured to be fixed on described guide frame (6), on two side with at least one tongue (12a, the leaf spring (12) 12b) protruded, wherein, described tongue (12a, 12b) to join in the level trough (14a, 14b) of the end face of space, the restriction described longitudinal side (9) of described track pad (3) and to be fixed there.

4. roller means according to any one of claim 1 to 3, is characterized in that, at least one roller (7 described; 7a, 7b) to be supported in both sides and to be arranged in that described guide frame (6) is upper, in the bearing support (10) of two-piece type that is made up of lower plate and upper plate (10a, 10b).

5. roller means according to any one of claim 1 to 4, is characterized in that, at least one roller (7 described; 7a, 7b) and/or its bearing support (10) can flatly adjust towards the direction of stock rail (8).

6. roller means according to any one of claim 1 to 5, is characterized in that, described roller (7; 7a, 7b) height adjustment can be carried out.