EP1488979A1 - Locking device for switch blades with profile adjustment - Google Patents

Abstract

The device has a bearing (104) engaging on the switch blade (106) and connected via a shaft (4) to a ratchet (10). A bar (18) presses the ratchet against a carrier (102) on the stock rail (14). The side (108) of the carrier engages on the stock rail on the rail side away from the switch blade. It is connected to a counter bearing (110), which is located on a stationary permanent way component, e.g. a slide plate for the switch blade.

Description

The present invention relates to a device for Moving a switch tongue between one on one Stick stick and one of the stick rail distant location.

To secure switch tongues, railway switches are used Locking devices equipped, such as e.g. in the European patent application EP 0 885 795 A1. This European patent application shows the function of a modern locking device (latch lock CKA). Shown there is locking or unlocking and changing the Switch tongues, which is the case with a latch lock using a Lock rod and a locking pawl happens. With the locking pawl connected via a locking bearing Switch tongue is removed from the locking bar during the locking process led against the associated stick rail, whereby the locking pawl passed under the stick rail and from the locking rod to lock the switch tongue above against the foot of the stick rail or against that at the foot of the Stick rail arranged locking carrier is pressed.

Especially with switch tongues with longer lengths, as in larger curve radii are necessary when driving unwanted vibrations. These switch tongues are also Increased risk of torsion, causing the switch tongue to lift off can occur from the stick rail. From EP 0 624 508 A1 a closure device is known in which a positive The connection of the switch tongue to the stick rail is aimed for becomes. This is achieved by using the switch tongue connected locking bearing is provided with an extension, the rigid when locking the locking device against you presses the lock carrier connected to the stick rail, which turns the switch tongue around the lock bearing and is positively pressed against the stick rail.

From German patent application DE 43 15 200 A1 is also a Closure device according to EP 0 624 508 A1 mentioned above shown, which is integrated into a hollow sleeper body, which causes automatic tamping of the track ballast in the area the switch adjustment device, i.e. especially in the area the tip of the switch tongues.

It is common to all of the above quotations that the lock carrier at the foot of the stick rail under both sides Clasping the foot of the stick rail and / or the Locking pawl attached directly to the switch tongue Lock bearing is held. It is therefore easy understandable that especially in countries with a large Variety of track and switch tongue profiles, e.g. the USA, Great Britain and Japan, a correspondingly large number different lock carriers and / or lock bearings stockpiled and used as required. Both the Stockpiling as well as needs-based use are given the multitude of existing profiles is therefore complex and expensive. at there are only slight deviations between the profiles the risk of confusion by the assembly team, the such switch assemblies usually under "rolling train" and must therefore always be under a certain time pressure. A However, confusion can lead to premature wear or even to cause serious malfunctions.

It is therefore the object of the invention to adjust and Specify closure device for switch tongues, with a particularly small number of parts despite the presence of different Rail and tongue profiles and the work of the Assembly teams efficiently and sources of error largely excludes.

a) ein an der Weichenzunge angekoppeltes Verschlusslager, das über eine Achse mit einer Verschlussklinke verbunden ist,

b) eine Verschlussstange, die die Verschlussklinke gegen einen an der Stockschiene angekoppelten Verschlussträger führt und mit diesem verschliesst bzw. entriegelt und von dem Verschlussträger fortführt, wobei

c) der Verschlussträger auf der von der Weichenzunge abgewandten Seite der Stockschiene an der Stockschiene gelagert und mit einem Gegenlager, welches an einer ortsfesten Gleisoberbaukomponente angeordnet ist, verbunden ist.

According to the invention, this object is achieved in a first variant of the adjustment and locking device mentioned at the outset in that the device has the following components:

a) a lock bearing coupled to the switch tongue and connected to a lock pawl via an axis,

b) a locking rod which guides the locking pawl against a locking support coupled to the stick rail and locks or unlocks with this and continues from the locking support, wherein

c) the closure carrier is mounted on the side rail of the pole rail facing away from the switch tongue and is connected to a counterbearing which is arranged on a stationary track superstructure component.

In this way, the fastener carrier is attached the stick rail, without that on the switch tongue Side of the pole rail Fastening elements on the pole rail to be attached. This results in a "free" Interior profile to which the most varied Switch tongue profiles can create. The stationary Track superstructure component, i.e. a component that is in the area of Track and / or a switch is available anyway, can be used Attachment of the closure carrier can be used and creates thus the prerequisites for freeing the above Interior profile.

It provides a particularly practical solution as a fixed one Track superstructure component a component for storing the Switch tongue to use. Such a component is very sturdy and therefore suitable on the inside of the Stick rail fastening the lock carrier, if necessary also by tightening the fastener carrier. As it proves to be particularly suitable Weichenzungengleitstuhl. This sliding chair can also be used as a Switch tongue slide bearing or as switch tongue roller bearing be executed.

As in the German patent application 43 15 200 shown, a switch adjustment device can also in a hollow threshold body can be integrated. In such a case it is particularly advantageous in an embodiment of the invention if the stationary track superstructure component on a rising flank of a U-shaped profile Threshold body is arranged.

Basically, however, as a fixed top track component any flange suitable, which on a sleeper body is appropriate. This flange only needs to be sufficiently stable be executed so that it acts as a counter bearing for the attachment of the Lock carrier can serve. The flange can therefore of course reinforced with support bars or the like his.

A particularly useful fastening of the lock carrier results on the outside of the stick rail (that of the Switch tongues facing away from the stick rail), if the Lock carrier in a form-fitting manner in the foot area of the pole rail is coupled. The closure carrier can then be like a clip enclose the rail foot on the outside and so in a direction substantially perpendicular to Longitudinal expansion of the stick rail is to be braced.

a) ein an der Weichenzunge angekoppeltes Verschlusslager, das über eine Achse mit einer Verschlussklinke verbunden ist,

b) eine Verschlussstange, die die Verschlussklinke gegen einen an der Stockschiene angekoppelten Verschlussträger führt und mit diesem verschliesst bzw. entriegelt und von dem Verschlussträger fortführt, wobei

c) das Verschlusslager an einer die Verstellbewegung zumindest teilweise mitvollziehenden Komponente angeordnet ist und mittels einer verstellbaren Stösselstange eine Übertragung der Verschiebebewegung vom Verschlusslager auf die Weichenzunge erzielt ist.

According to the invention, the above-mentioned object is achieved in a second variant of the adjustment and locking device mentioned at the outset in that the device has the following components:

a) a lock bearing coupled to the switch tongue and connected to a lock pawl via an axis,

b) a locking rod which guides the locking pawl against a locking support coupled to the stick rail and locks or unlocks with this and continues from the locking support, wherein

c) the lock bearing is arranged on a component which at least partially follows the adjustment movement and a transfer of the displacement movement from the lock bearing to the switch tongue is achieved by means of an adjustable push rod.

In this way, the direct connection of the lock bearing avoided with the switch tongue without the benefits of Locking bearing, in which the locking pawl around an axis essentially parallel to the longitudinal extension of the stick rail is rotatably mounted, to have to give up. The adaptation to different profiles of the switch tongue is so through Push rod made that adjustable accordingly is executed. The adjustment movement of the locking rod the self-locking component is, for example Lock rod itself, the slide rod or one Components that are themselves an element in the connection chain of represents the slide rod to the locking rod. A such component can also be an additional carrier or Be sliding part or the like, which on one or more of the above components is attached and thus the lock bearing carries.

A preferred variant in an embodiment of the invention sees it before firmly connecting the push rod to the switch tongue and to keep it sliding in the locking bearing. This Variant therefore usually requires a hole in the Switch tongue to close the push rod with the switch tongue screw. However, a solution is also conceivable in which the Push rod free of holes through a bracket or Bracing or the like is held on the switch tongue.

Alternatively, the push rod can be in the lock bearing slidably and the two switch tongues by means of a Coupling rod to be connected. So it becomes a switch tongue with an adjustment movement from the push rod to the Stick rail pushed and the other switch tongues pulled away from the stick rail by means of the coupling rod. Thanks to the displaceability of the push rod in the Lock bearing can again almost any Number of different switch tongue profiles can be operated.

In a further embodiment of the invention, the Push rod in the lock bearing with a defined Holding force be held against their displacement. To this One way can be for the switch mechanism non-destructive cutting of the switch tongues realized be what is otherwise, for example, by installing Components with predefined breaking points was solved. Instead of cutting open the switch tongues now the Having to replace more broken components is a must this variant, the push rod only in its original position moved back and again with the predetermined holding force be attached. This holding force can be achieved by means of a spring-loaded locking device can be achieved. So are Embodiments conceivable in which a ball or a roller by means of a spring into a bulge in the push rod is pressed. Thanks to this bulge it is also Push the ram back into the correct position (after a Cutting the switch tongue) without special adjustment tools or the like possible because by means of the spring force cheapest and therefore the correct end position of the push rod is almost automatically achievable.

a) ein an der Weichenzunge angekoppeltes Verschlusslager, das über eine Achse mit einer Verschlussklinke verbunden ist,

b) eine Verschlussstange, die die Verschlussklinke gegen einen an der Stockschiene angekoppelten Verschlussträger führt und mit diesem verschliesst bzw. entriegelt und von dem Verschlussträger fortführt, wobei

c) der Verschlussträger auf der von der Weichenzunge abgewandten Seite der Stockschiene an der Stockschiene gelagert und mit einem Gegenlager, welches an einer ortsfesten Gleisoberbaukomponente angeordnet ist, verbunden ist; und

d) das Verschlusslager an einer die Verstellbewegung zumindest teilweise mitvollziehenden Komponente angeordnet ist und mittels einer verstellbaren Stösselstange eine Übertragung der Verschiebebewegung vom Verschlusslager auf die Weichenzunge erzielt ist.

Finally, a third variant according to the invention for solving the above-mentioned object is given. This third variant represents a combination of the first and the second variant and has the following features: Device for adjusting a switch tongue between a layer adjacent to a pole rail and a position remote from the pole rail, comprising:

a) a lock bearing coupled to the switch tongue and connected to a lock pawl via an axis,

b) a locking rod which guides the locking pawl against a locking support coupled to the stick rail and locks or unlocks with this and continues from the locking support, wherein

c) the closure carrier is mounted on the side rail of the pole rail facing away from the switch tongue and is connected to a counterbearing which is arranged on a stationary track superstructure component; and

d) the lock bearing is arranged on a component which at least partially follows the adjustment movement and a transfer of the displacement movement from the lock bearing to the switch tongue is achieved by means of an adjustable push rod.

Further advantageous embodiments of the invention are the other subclaims.

Fig. 1

eine schematische seitliche Ansicht einer ersten Verstellvorrichtung für eine Weichenzunge;

Fig. 2

eine schematische seitliche Ansicht einer zweiten Verstellvorrichtung für eine Weichenzunge; und

Fig. 3

eine aus der EP 0 624 508 A1 bekannte Verschlussvorrichtung.

Exemplary embodiments of the invention are explained in more detail below with reference to a drawing. It shows:

Fig. 1

is a schematic side view of a first adjustment device for a switch tongue;

Fig. 2

is a schematic side view of a second adjustment device for a switch tongue; and

Fig. 3

a closure device known from EP 0 624 508 A1.

Fig. 3 shows a known from EP 0 624 508 A1 Closure device 2, one over an axis 4 and one Locking bearing 6 connected to a switch tongue 8 Has locking pawl 10, which after closing a surface 12 connected to a stick rail 14 Closure carrier 16 bears positively and therein by a Locking rod 18 is locked. The lock bearing 6 is below with an extension not shown provided that with the closure device closed Closure carrier 16 abuts, which a force F1 on the Lock bearing 6 transmits through which a head 20 of the Switch tongue 8 pressed against the head 22 of the stick rail 14 becomes. The locking bearing 6 is by a screw connection 24 connected to the foot 26 of the switch tongue 8, the so is designed such that its foot 26 when the head 20 is in contact the switch tongue 8 to the head 22 of the stick rail 14, above the Foot 28 of the stick rail 14 lies. It is therefore easy recognizable that the locking bearing 6 is easily at the foot 26 the switch tongue 8 can be attached. For the same reason can also the closure carrier 16 by means of a clamping screw 30 and a clamp hook 32 on the foot 28 of the stick rail 14 be tense.

However, this embodiment of the closure device 2 is no longer usable if, for example, a different profile the switch tongue 8 is present and therefore at the foot 28 of the Stick rail 14 no space for fastening the clip hook 32 is given. This is also problematic Embodiment if very much within a rail network different profiles for the stick rails and the Switch tongues exist. In this case, for each profile a separate lock bearing and a separate lock carrier be used.

Figure 1 now shows a first schematic side view Closure device 100 according to the invention, in which the Storage of a lock carrier 102 and a lock bearing 104 on one of the respective profiles of the stick rail 14 and a switch tongue 106 which has been changed compared to FIG. 3 Way is solved.

The closure carrier 102 is - as in FIG. 3 - on the side 108 facing away from the switch tongue 106 by means of a form-fitting clasping on the foot 28 of the pole rail 14 attached. at the same time, however, is a counter bearing in the form of a Bolt 110 created so that the closure carrier 102 by means of a clamping screw 112 and a hook rod 114 clamped can be. The bolt 110 is not in here shown way on a track superstructure component, such as Example on the inside of a hollow sleeper body or on the underside of a plain bearing for the switch tongue 106 appropriate. The bolt 110 is only in this illustration so far for the sake of a better representation in principle have been arranged below the foot 26 of the switch tongue 106. It is clear that with such a deep arrangement by the bracing outward torques on the Cane rail 14 could act, which is usually undesirable are. The bolt 110 or generally speaking a counter bearing for fastening the closure carrier 102 is therefore in the Usually be arranged at a level which is the origin from outward torques (Except, of course, the case that such outward directed torques should be expressly desired).

By this storage with the concept of one usually Mostly already existing track superstructure components arranged Counter bearing remains on the switch tongue 106 facing Interior 116 enough free space to also switch points 106, which are milled out of the profile of the stick rail 14 bring up the stick rail 14.

The mounting of the lock bearing 104 is also in one Way solved, the use of completely different Switch tongue profiles allowed. The lock bearing 104 is therefore stored by means of a slide plate 118, which with a sliding fit a track superstructure component is engaged. In the present For example, the track superstructure component is only a partial one Cover plate 119 shown, which the cavity of a Hollow threshold or a threshold compartment upwards concludes. L-shaped guides are on this cover plate 119 121 arranged, on the horizontal part 123 the Slide plate 118 slides. The adjustment movement of the Locking rod 18 on the locking pawl 10 on the Transfer slide plate 118 fastened lock bearing 104. With an adjustment movement of the switch tongue 106 Slide plate 118 between its two end positions Sliding movement back and forth. Alternatively to one sliding support of the sliding plate 118 can also be a rolling one Storage or the like can be used. The slide plate 118 lies on the guides 121, 123, which are also used as plain bearings serve on. The guide 121, 123 thus bears the weight of the Locking bearing 104. The locking pawl 10 is still as stored on the axis 4 in the lock bearing 104. In upper part of the lock bearing 104 is in a bore Push rod 120 slidably mounted. The push rod 120 is locked in one end position, which is the front side 122 of the push rod 120 allows, exactly on the switch tongue 106 to rest. When the turnout is adjusted, the Push rod 120, the switch tongue 106 into the one shown in FIG shown location. Because of a not shown here Coupling rod for the two switch tongues 106 therefore causes the push rod 120 on the other to the center attack 124 of the Drive rod 126 axially symmetrical opposite side of the closure device 100 that the opposite switch tongue to the opposite Stick rail is pushed and that shown in Figure 1 Switch tongue 106 is then removed from the stick rail 14. The coupling rod between the two mentioned above Switch tongues 106, also called tie rods, can also be used a continuous slide plate 118 can be solved either even via elements coupled to the switch tongues 106 has or is part of an arrangement in which the Push rods 120 are not only able to have a switch tongue in their desired position, but also in one desired location. Especially in the latter case but then again it may be advantageous to use the sliding plate 118 execute each lock bearing 104 separately. So it turns out the switch can be opened without the slide plate 118 is damaged, which is the case with a continuous sliding plate 118 This would be the case because when you drive up, the second one is always the same both switch tongues 106 in the removed from the stick rail 14 Location will be forced.

A second closure device 130 is in a schematic side view shown in Figure 2. Because of Clarity are essentially only the holder of one Closure carrier 132 and a closure bearing 134 shown. The entire closure device 130 is in an upward direction open, hollow threshold body 136 integrated, which is a U-shaped Has profile and outward Flanges 138 has. A means is on these flanges 138 Screw connections 139 secured sliding chair 140 for one Switch tongue 142 mounted. Also one regarding the profile compared to the stick rails 14 described above modified stick rail 144 is by means of screw connections 146 attached to the flanges 138.

Each on the inward facing side of the sliding chairs 140 a laterally protruding bolt 148 is provided, which as Counter bearing for fastening the closure carrier 132 is used. The The closure carrier thus initially encloses the Foot 150 of the stick rail 144 on the outside 152 and will by means of a clamping screw 154, which one the bolt 148th encompassing hook rod 156 braced, attached. This Attachment is attached to both of the flanges 138 Sliding chairs 140 are provided. Given the present Profiles of stick rail 144 and switch tongues 142 are light understandable that at the foot 150 of the stick rail 144 on its No space inside for fastening the lock carrier 132 would have been present. The attachment of the Closure carrier 132 can, however, in the above described way solved without a hole in the stick rail been what is often requested by railway infrastructure operators is.

The attachment of the Locking bearing 134 released. The lock bearing 134 is again attached to a sliding part 135, which is self-rolling (dotted roles 137) in one on the inside directed side surfaces of the sliding chairs 140 arranged Guideway 141 is running Locking pawl (also not shown here) rotatable around the axis 4 is mounted in an eccentric bush 5 (see FIG. 1) held. The lock bearing 134 also has a essential horizontal bore in which a push rod 156 is slidably held. By means of a Push rod 156 arranged thread can the push rod 156 are firmly connected to the switch tongue 142.

In addition, the push rod 156 has a cylindrical shape Recess 158, in which a spring 160 acted upon roller body 162 is pressed. The spring 160 is tensioned by means of a screw 164 which in a vertically extending spring shaft 166 is screwed. through a thickness selection for a washer 168 can be one predefined holding force exerted on the push rod 156 become. The holding force is chosen so that a Cut open the switch in the wrong direction is possible. Through the closed switch tongue 142 a penetrating wheel rim acts on the switch tongue 142 in the direction of an arrow 170, which is overcome by the Spring 160 exerted holding force on the push rod 156 in Moved towards 170. This is a readjustment of the Push rod 156 become necessary, a more extensive Destruction of the adjustment device by cutting open but so be avoided.

The second closure device 130 thus also shows the desired advantages of easy adaptability different profiles of the stick rail 144 and the Switch tongues 142, as was the case with the first Closure device 100 could be demonstrated.

LIST OF REFERENCE NUMBERS

2

known closure device

4

axis

5

eccentric bush

6

lock bearing

8th

switch blade

10

thumb catch

12

area

14

stock rail

16

Bolt carrier

18

locking bar

20

Head of the switch tongue 8

22

Head of the stick rail 14

24

screw

26

Foot of the switch tongue 8

28

Foot of the stick rail 14

30

clamping screw

32

bracket hook

F1

force

100

first closure device according to the invention

102

Bolt carrier

104

lock bearing

106

switch blade

108

Side facing away from switch tongue 106

110

bolt

112

clamping screw

114

hook bar

116

inner space

118

sliding plate

119

cover

120

pushrod

121

L-shaped guide

122

Front of push rod 120

123

horizontal part of the L-shaped guide 121

124

middle attack

126

drive rod

130

second adjustment device according to the invention

132

Bolt carrier

134

lock bearing

135

slide

136

hollow sleeper body

137

roll

138

flanges

139

screw

140

A slide

141

guideway

142

switch blade

144

stock rail

146

screw

147

hook bar

148

bolt

150

Foot of the stick rail 144

152

Side facing away from switch tongue 142

154

clamping screw

156

pushrod

158

roller-shaped recess

160

feather

162

roller body

164

screw

166

spring shaft

168

washer

170

arrow

Claims (15)

Device (100, 130) for adjusting a switch tongue (106, 142) between a position adjacent to a pole rail (14, 144) and a position remote from the pole rail (14, 144), comprising: a) a locking bearing (104, 134) coupled to the switch tongue (106, 142) and connected to a locking pawl (10) via an axis (4), b) a locking rod (18) which guides the locking pawl (10) against a locking support (102, 132) coupled to the pole rail (14, 144) and locks or unlocks with this and carries it away from the locking support (102, 132), characterized in that
the closure carrier (102, 132) is mounted on the side rail (14, 144) on the side rail (14, 144) on the side (108, 152) of the stick rail (14, 144) facing away from the switch tongue (106, 142) and has a counter bearing (110, 148), which is arranged on a fixed track superstructure component (136, 140). Device (100, 130) according to claim 1,
characterized in that
the fixed track superstructure component (136, 140) is a component for mounting the switch tongue (106, 142). Device (100, 130) according to claim 2,
characterized in that
the component for mounting the switch tongue (106, 142) is a switch tongue sliding chair (140). Device (100, 130) according to one of claims 1 to 3,
characterized in that
the stationary track superstructure component (140) is arranged on a rising flank of a sleeper body (136) having a U-shaped profile. Device (100, 136) according to claim 1,
characterized in that
the fixed track superstructure component is a flange (110, 148) which is attached to a sleeper body (136). Device (100, 136) according to one of claims 1 to 5,
characterized in that
the closure carrier (102, 132) is positively coupled in the foot region (28, 150) of the stick rail (14, 144). Device (100, 130) for adjusting a switch tongue (106, 142) between a position adjacent to a pole rail (14, 144) and a position remote from the pole rail (14, 144), comprising: a) a locking bearing (104, 134) coupled to the switch tongue (106, 142) and connected to a locking pawl (10) via an axis (4), b) a locking rod (18) which guides the locking pawl (10) against a locking support (102, 132) coupled to the pole rail (14, 144) and locks or unlocks with this and carries it away from the locking support (102, 132), characterized in that
the lock bearing (104, 134) is arranged on a component (118, 135) which at least partially follows an adjustment movement and, by means of an adjustable push rod (120, 156), a transmission of the displacement movement from the lock bearing (104, 134) to the switch tongue (106, 142 ) is achieved. Device (100, 130) according to claim 7,
characterized in that
the push rod (156) is firmly connected to the switch tongue (142) and is held displaceably in the locking bearing (134). Device (100, 130) according to claim 8,
characterized in that
the push rod (120) is held displaceably in the lock bearing (104) and the two switch tongues (106) are connected by means of a coupling rod. Device (100, 130) according to one of claims 7 to 9,
characterized in that
the push rod (156) is held in the lock bearing with a defined holding force against its displacement. Device (100, 130) according to claim 10,
characterized in that
the holding force is achieved by means of a spring-loaded locking device (160, 162, 164). Device (100, 130) according to one of claims 7 to 11,
characterized in that
the component (118, 135) is mounted in a rolling or sliding manner. Device (100, 130) according to claim 12,
characterized in that
the component (118, 135) is provided in or on a guide element (121, 123, 137, 141). Device (100, 136) according to claim 13,
characterized in that
the guide element (121, 123, 137, 141) is arranged on a track superstructure component (136, 140). Device (100, 130) for adjusting a switch tongue (106, 142) between a position adjacent to a pole rail (14, 144) and a position remote from the pole rail (14, 144), comprising: a) a locking bearing (104, 134) coupled to the switch tongue (106, 142) and connected to a locking pawl (10) via an axis (4), b) a locking rod (18) which guides the locking pawl (10) against a locking support (102, 132) coupled to the pole rail (14, 144) and locks or unlocks with this and carries it away from the locking support (102, 132),
characterized in that c) the closure carrier (102, 132) on the side of the stick rail (14, 144) facing away from the switch tongue (106, 142) is mounted on the stick rail (14, 144) and with a counter bearing (110, 148) which is connected to a fixed track superstructure component (136, 140) is arranged, is connected; and d) the locking bearing (104, 134) is arranged on a locking component (118, 135) which at least partially follows the adjustment movement, and by means of an adjustable push rod (120, 156) the transmission of the displacement movement from the locking bearing (104, 134) to the switch tongue (106 , 142) is achieved.

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