EP1338701A1 - Auxilliary track - Google Patents

Abstract

The auxiliary rail track (110), for a track-laying crane, has rails (22,24) laid in parallel and in a variable track width. The rails are held apart by track width holders (126,128,130), locked accurately in position by wedges at rail holders (112,113).

Description

The invention relates to an auxiliary track with a desired track accordingly mutually spaced rails, in particular intended for transporting a Track section by means of a crane.

Switches mounted on sleepers are often moved from a manufacturing site to a laying site transported by rail-bound vehicles and then relocated. After this In the prior art, a corresponding track section is supported by a traverse and transported by means of this. At the place of installation, the track section on auxiliary traverses handed over and then discontinued and installed by means of this.

Since the track sections may have lengths of 50 m and more, the transfer prepares from the transport traverse on the auxiliary traverse significant problems. Therefore, in the EP 0 146 164 B1 provided that held during transport, the traverse of cranes which in turn are mounted on a wheeled chassis to be moved to a standard track. To bring the truss to the installation site, are arranged outside the transport rails extending auxiliary rails on the The chassis are supported by auxiliary chassis, which are extendable via cylinders then to drive the cranes to the installation site. As cranes themselves reach jib cranes for use.

According to DE 33 40 739 A1 a track of a traverse is hanging on a chassis supportable, which is movable on a track. The chassis itself is in turn by means of a caterpillar, which is movable next to the track, can be raised and lowered.

DE 29 28 152 relates to a device for receiving or laying of Track switches and crossings. It also a tracked vehicle is used, which in the desired extent to the track longitudinal axis is rotatable.

The US 5,127,335 provides for laying intersections and switches tracked vehicles before, which is an integral part of a traverse which carries the track part to be laid.

FR 2 561 275 relates to a device for laying a rail part, wherein a wheels supportable vehicle is used, which is on both sides of the Rails of the track supports.

The present invention is based on the problem of an auxiliary track of the aforementioned Refine the kind so that with structurally simple measures a likelihood is ensured. In this case, the auxiliary track is intended in particular to be along of a standard track to cranes for transporting or laying track sections to be transposed by a dolly on the Standard track is movable.

According to the invention, the problem is essentially solved in that each rail at least in sections fixed in a U-shaped or L-shaped bracket with is attached in each case opposite rail facing leg, that in transversely to Lengthwise of the rails extending planes leash releasably with the Mounts are connected, that each tracking device comprises a spacer element, each with an end portion on the outside of one of the legs of the brackets rests, and that each end portion with a the spacer element on impact the respective leg pulling clamping device is connected, the releasable both with the holder is connected as well as with the spacer element.

In particular, the clamping device comprises a U-shaped or claw-shaped leg of the Holder comprehensive element, which is connected via a wedge element with the spacer element is, wherein at the outside of the leg of the holder abutting the spacer element the U-shaped or claw-shaped element rests on the inside of the leg and on the outside spaced therefrom. In this case, the spacer element end each a fork-shaped, two mutually parallel fork legs comprehensive geometry between which a portion of the U- or claw-shaped element runs, wherein in the overlap region of the fork legs and the U-shaped or claw-shaped Element overlapping longitudinal slots extending from the wedge element relative displacement between the fork legs to the claw-shaped element are enforceable.

Preferably, each fork leg may be one along the upper longitudinal edge of the leg extending portion which above the rail foot to secure the Lane keeping device runs.

Further developments of the invention will become apparent from the dependent claims.

The inventively designed auxiliary track is particularly intended to a crane how to receive gantry crane, by means of which a track section such as points section from a dolly to implement, then the track section on the auxiliary track to transport to a place of installation. This requires only in the area of the installation site the auxiliary track, otherwise the track section to be installed can be transported on a standard track is. This is made possible by the fact that the or on the auxiliary track movable Cranes in the form of, in particular, gantry cranes collapsible legs, This ensures that the permissible transport is carried out on the standard track Room profile is not exceeded. Only when the crane or gantry crane on the auxiliary track implemented, whose track is considerably wider than that of the standard track, takes place Turning and unfolding the legs of the gantry crane so that the gantry crane over the to laying track section can be moved to lift the track section and to be transported to the installation site.

Further details, advantages and features of the invention will become apparent not only from the Claims, the features to be taken from them-alone and / or in combination- but also from the following description of the drawing to be taken preferred embodiments.

Fig.1

eine Vorderansicht einer ersten Ausführungsform eines Portalkrans zum Verlegen eines Gleisabschnitts,

Fig.2

eine Seitenansicht des Portalkrans nach Fig. 1,

Fig. 3

eine Draufsicht des Portalkrans nach Fig. 1 und 2,

Fig. 4

eine Seitenansicht einer von zwei Portalkränen zu einem Verlegeort transportierbaren Traverse mit an dieser befestigtem Gleisabschnitt,

Fig. 5

eine Seitenansicht einer zweiten Ausführungsform eines Portalkrans in auf ein Hilfsgleis ausgerichteter Position,

Fig. 6

der Portalkran nach Fig. 5 in auf dem Hilfsgleis abgestützter Position,

Fig. 7

einen Ausschnitt eines Hilfsgleises,

Fig. 8

einen Schnitt entlang der Linie AA in Fig. 7,

Fig. 9

eine Spurhalteeinrichtung für das Hilfsgleis gemäß Fig. 7 in Seitenansicht,

Fig. 10

die Spurhalteeinrichtung nach Fig. 9 in Draufsicht,

Fig. 11

in Draufsicht auf Stoß miteinander verbundene Schienenabschnitt des Hilfsgleises gemäß Fig. 7 und

Fig. 12

eine Lasche der Verbindung gemäß Fig. 11.

Show it:

Fig.1

a front view of a first embodiment of a gantry crane for laying a track section,

Fig.2

a side view of the gantry crane of FIG. 1,

Fig. 3

a top view of the gantry crane according to FIGS. 1 and 2,

Fig. 4

a side view of one of two gantry cranes transportable to a laying traverse with attached to this track section,

Fig. 5

a side view of a second embodiment of a gantry crane in aligned on an auxiliary track position,

Fig. 6

the gantry crane according to FIG. 5 in the position supported on the auxiliary track,

Fig. 7

a section of an auxiliary track,

Fig. 8

a section along the line AA in Fig. 7,

Fig. 9

a track holding device for the auxiliary track of FIG. 7 in side view,

Fig. 10

the lane keeping device according to Fig. 9 in plan view,

Fig. 11

in a plan view of shock interconnected rail section of the auxiliary track of FIG. 7 and

Fig. 12

a tab of the compound according to FIG. 11.

FIGS. 7 to 10 show features for dimensional accuracy of a track Ensure auxiliary track along or on the one to be laid track section How to move the switch and align it to a place of installation. These are gantry cranes used, which are explained in more detail with reference to FIGS. 1 to 6 and on the basis of which the preferred Purpose of the auxiliary track can be seen.

To a outgoing from a traverse 10 track section 12 as a switch from one Transporting factory to a laying site, the Traverse 10 with the Track section 12 stored on trolleys and in the vicinity of the installation site on usual Railroads, which are referred to as standard tracks transported. The corresponding Rails are provided in FIGS. 1 and 6 with reference numerals 14 and 16.

To receive the cross member 10 with the track section 12 of the trolley and then transported directly to the installation site and install there, are of another trolley gantry cranes 18, 20 taken, that for the standard track do not exceed permissible room profile, the same as the gantry cranes 18, 20 for converting Traverse 10 from the trolley and then to the installation via an auxiliary track be moved, whose rails 22, 24 run outside of the standard track, So have a much wider track.

To accomplish this, have the gantry cranes 18, 20 of a high frame 26th outgoing frame legs 28, 30, 32, 34, each at least two against each other pivotable sections, an outer section 36, 40 and one of the High frame 26 outgoing inner section 38, 42 are composed. Of course can also more than two mutually pivotable sections 36, 38 and 40, 42 form each or at least some of the frame legs 28, 30, 32, 34. Here are the Sections 36, 38, 40, 42 via a hinge 44, 45, hinge or equivalent element connected.

The sections 36, 38, 40, 42 are hinged outwards. For this, first the high frame 26 are raised in a circumference and rotated by preferably 90 °, that which are on a trolley supporting inner portions 38, 42 are free and the outer portions 36, 40 can be pivoted to be described later Art deposed on the auxiliary track or its rails 22, 24 and then again be lifted until the frame legs 26, 28, 30, 32 or their sections 36, 38, 40, 42 are aligned to the extent necessary to each other. The frame 26 can thereby not shown telescopic devices such as stamps of the high frame 26 can go out, or a lifting table (Fig. 5, 6) are raised.

The running in a plane transverse to the auxiliary track frame legs, so the frame legs 28, 30 on the one hand and the frame legs 32, 34 on the other hand, can be pivoted to each other and thus be formed variable in distance to the outer sections 36, 40 end-outgoing wheels 46, 48, 50, 52 on the track of the auxiliary track, So to be able to align the distance of the auxiliary rails 22, 24. These are on the high frame 26 articulated telescopic struts 54, 56 are provided, which in turn articulated with the inner portions 38, 42 of the frame legs 28, 30, 32, 34 are connected.

Preferably, two wheels 46, 48 and 50, 52 go from each outer section 36, 40 of the frame legs 28, 30, 32, 34, wherein at least one of the wheels 46, 52 is driven by a motor to move the gantry cranes 18, 20 along the auxiliary track to be able to.

From the high frame 26 go out conventional lifting, control and drive devices, to raise the cross member 10 with the track section 12 to the extent necessary or to be able to lower.

Further, the arranged in a running along the auxiliary track level frame legs 30, 32 and 28, 34 connected via longitudinal struts 58, which when folded Frame legs 28, 30, 32, 34 are removed.

FIGS. 5 and 6 are further features to be emphasized and embodying the invention for elements described in connection with FIGS. 1 to 3 have been used, basically the same reference numerals.

As can be seen from FIGS. 5 and 6, a lifting trolley 62 extends from a trolley 60 with scissor arms 64, 66 out to the frame 26 and thus the gantry crane in the required To be able to lift and turn the circumference. For this purpose, the lifting table 62 is on a Slewing ring 68 supported, which via a base plate or a base frame 70 with the Dolly 60 is connected. It goes from the base frame or the base plate 70 bolts that pass through the loading surface 72 of the trolley 60, which the required rotation lock is given.

The scissor arms 64, 66, which are interconnected centrally via an axis 67, are on the one hand on a base plate 74 of the lifting table 62 and on the other hand on the high frame 26th hinged. This is indicated by the reference numerals 76 and 78. The scissor arm 64 is displaceable with its free end 80 along a guide rail 82 of the lifting table 62. Accordingly, the scissor arm 66 with its free end 84 along a Guide rail 86 slidably extending from the high frame 26. In the area of free end 80 of the leg or scissor arm 64, a spindle drive 88 is attached, the in the exemplary embodiment of the attachment region of the scissor arm 66 starts. This is attached to the scissor arm 64 has a lock nut, which is of the spindle of the spindle drive 88th is traversed in accordance with the direction of rotation of the spindle 88, the scissor arms 64, 66 along the guide rails 82, 86 to proceed. Accordingly, the high frame 26 and so that the gantry crane raised or lowered.

Along the top of the high frame 28 is a trolley 90 by means of a rack and pinion drive traversable. For this purpose, a rack is arranged on the high frame 26, with a one of the trolley 90 via a motor 92 drivable gear meshes.

To raise or lower the outer pivotable portions 36, 40 of the To enable frame legs 28, 30, 32, 34, the high frame 26 in the region of its End faces gallows-shaped brackets 94, 96 on, in turn hoists 98, 100 go out with the outer portions 36, 40 of the frame legs 28, 30, 32, 34 connectable are.

In addition, a cable drum extends in the region of an end face of the high frame 26 101, which in turn is actuated by a motor 102.

When transporting the gantry this is by means of the lifting table 62 and der Drehkranzes 68 aligned in the direction of the standard track, that in the process of the gantry crane arranged in a direction transverse to the longitudinal direction of the auxiliary track level Frame legs 28, 30 and 32, 34 extending in a longitudinal direction of the standard track Level are aligned.

In other words, the longitudinal sides of the gantry crane, which in Figs. 5 and 6 run are shown, in the direction of travel of the standard track, so are to the Figs. 5 and 6 to Removed position rotated by 90 °. As a result, the gantry crane with its folded up Frame legs 28, 30, 32, 34 a room profile, the usual for standard tracks is permissible. If the gantry crane to be placed on an auxiliary track to those of the Traverse 10 outgoing turnout or other track section 12 record and on To transport a laying site, the high frame 26 is first by means of the lifting table 62 raised by operating the spindle drive 88 in an amount that the Gantry crane to the loading area 72 of the trolley 60 is spaced in a circumference, that the lifting table 62 can be rotated by 90 ° by means of the turntable 68.

Then, the outer portions 36, 40 of the frame legs 28, 30, 32, 34 by means of Hoists 98, 100 lowered until the wheels 46, 48, 50, 52 on the rails 22, 24th of the auxiliary track are positioned. In this position, the outer portions 36, 40 of the Frame legs 28, 30, 32, 34 angled outwards, but already transmit forces of Portal crane on the auxiliary track. During the further lifting of the gantry crane by means of Spindle drive 88 and thus the lifting table 62 slide the scissor arms or scissor legs 64, 66 with their free ends 80, 84 along the guide rails 82, 86 of the Lifting table 62 and the high frame 26, as indicated by the Fig. 6. As soon as the outer portions 36, 40 of the frame legs 28, 30, 32, 34 to the inner portions 38, 42nd are aligned, the sections 36, 38 and 40, 42 over from this outgoing Flanges interconnected. Then, the scissor arm or leg 64 of the High frame 26 is released, so that the legs or arms 64, 66 in their original positions can slide back.

The respectively on one of the rails 22, 24 arranged frame legs 28, 30 and 32, 34th are connected together via a strut to ensure high stability. Then, the gantry crane along the auxiliary track, so the auxiliary rails 22, 24 move are at least one impeller 46, 48, 50, 52 of each frame leg 28, 30, 32, 34 should be motor driven.

7 to 12 is an inventive trained or orientable auxiliary track 110th along which a crane is movable, which may have a construction, as previously described. With one or more corresponding cranes can Then move a track section as a section of a switch to a place of installation and to be installed there.

The auxiliary track 110, which includes the rails 22, 24, must respect the track width be extremely accurate. To ensure this with simple measures, At the same time the possibility should be given to quickly build up or dismantle the track 110 or to be relocated, the following measures are envisaged.

Each rail 22, 24 is at least partially arranged in brackets 112, 113 stationary. Each holder 112, 113 consists of an L or U-profile, from the bottom 116th Bolts go out 118, via the possibly via an intermediate layer 119 a ribbed plate 120 is fastened, on which the rail 22, 24 by means of clamping clamps 122, 124 fastened is. In that regard, however, reference is made to well-known constructions.

Since the rails 22, 24 are fixed in place in the holder 112, 113, only has to ensure that the brackets 112, 113 themselves to each other a predetermined Keep distance. For this purpose, lane keepers 126, 128, 130 are provided, which in Periodically connect the brackets 112, 113 with each other.

Features corresponding track holders 126, 128, 130 are shown in FIGS. 9 and 10. Thus, each tracking device has a spacer 132, whose respective End has a designed as a step 134, 136 rectangular recess, wherein a in the drawing representation vertically extending legs 138, 140 on the outside along the inner leg 142, 144 of the holder 112, 113 extends. Above leg 142, 144 preferably extends perpendicular to leg 138, 140 extending portion 148, 150 of the steps 134, 136, on the longitudinal edge of the leg 142, 144 when the tracking device 126, 128, 130 is properly positioned is supported.

Each spacer element 132 is fork-shaped in its end region 152, 154. Accordingly, two parallel in side view L-shaped legs 156, 158 or 160, 162, wherein the respective horizontal leg of the section 148 or 150th is.

Between the legs 156, 158 and 160, 162, a Klauen- or extends in the section U-shaped preferably made of flat iron element 164, 166 with a recess 168, 170, within which the side legs 142, 144 of the holder 112, 113 extends.

Within the holder 112, 113, the U- or claw-shaped element 164, 166 has a extending along the bottom or transverse leg 116, 117 extending portion 172, 174 on, with a projection 176, 178 when properly positioned below the foot 181 of the rail 22, 24 extends.

The clear width of the recess 168, 170 of the element 164, 166 is wider than the thickness of the side leg 142, 144, as can be seen from the drawing.

In the overlap region between the legs 156, 158 and 160, 162 of the fork-shaped formed end portion of the spacer 132 and the element 164, 166 are Longitudinal slots provided overlapping, generally by the reference numeral 180, 182 are provided. These longitudinal slots 180, 182 are each formed by a wedge element 184, 186 so enforceable that the spacer 132 is slidable to his vertically extending legs 138, 140 to the outside of the transverse leg 142, 144th the holder 112, 113 to come to rest. At the same time the element 164, 166 lies inside on the leg 142, 144 at. This way is a unique positioning the spacer 132 to the outer legs 142, 144 of the brackets 112, 113 ensured, which in turn uniquely determined the track of the auxiliary track 110 is.

The wedge elements 184, 186 can each be secured by means of spring plugs 188, 187, unless they are self-locking fixed in the slots 180, 182.

As further illustrated in Fig. 9, the horizontal runs between the free ends extending legs 148, 150 of the fork-shaped ends of the spacer element 132 and the nose-shaped projection 176, 178 of the claw-shaped element 164, 166, a free space within which the rail foot 181 extend with its longitudinal edge can. Since the rail 22, 24 is fixedly secured in the holder 112, 113, takes place As a result, a backup of the lane keeping device.

In order to connect sections 188, 190 of the rail 22, 24 with each other, is more preferable A construction according to the Fig. 11 and 12 used, with the sections 188, 190 are wedge-stressed, so that the end faces of the sections 188, 190 to each other pressed.

For this purpose, run along the respective webs 192, 194 of the rail sections 188, 190th Tabs 196, 198, the holes 200, 202, 204, 206 in the region of section 188 or of section 190. According to the position of the bore 200, 202 or 204, 206 are provided in the webs 192 and 194 holes to in this way the tabs 196, 198 to be connected to the section 188 and 190, respectively. As between the screws 208 and the respective hole is a game, it must be ensured that no gap is formed between the rail sections 188, 190 in the joint area. thats why According to the invention provided that the tabs 196, 198 in the region of the respective rail section 188, 190 have elongated holes 210, 212, which corresponding slots in the webs 192, 194 of the rail sections 188, 190 are associated overlapping. By at least in each rail section 188, 190 partially overlapping slots now each wedge element 214 and 216 is pushed, creating a relative displacement between the tabs 196 and 198 and the rail sections 188, 190 such that the abutment surfaces of the sections 188, 190 abut each other come, so that a gap between the rail sections 188, 190 does not form.

The wedge elements 214, 216 may - like the wedge elements 184, 186 for securing the Lane keepers - be secured by spring plugs in the narrow range of Wedge members 214, 216 are supported on the outer surface of the tab 198, provided that Wedge elements 214, 216 are not self-locking positioned.

Due to the features of the invention is a simple mounting or dismounting the Rails 22, 24 possible, while ensuring that the required track is complied with.

LIST OF REFERENCE NUMBERS

10

traverse

12

track section

14, 16

Rails (standard track)

18, 20

gantry cranes

22, 24

Rails (auxiliary track)

26

high frame

28, 30, 32, 34

frame legs

36, 40

outer section of the frame legs

38, 42

inner section of the frame legs

44, 45

hinge

46, 48, 50, 52

impellers

54, 56

telescopic struts

58

longitudinal struts

60

Dolly

62

Lift table

64, 66

scissor arms

67

axis

68

slewing ring

70

base frame

72

Loading surface of the trolley

74

baseplate

76, 78

pivot points

80

free end of the scissors arm 64

82

guide rail

84

free end of the scissors arm 66

86

guide rail

88

spindle drive

90

trolley

92

engine

94, 96

gallows-shaped brackets

98, 100

hoists

101

cable drum

102

engine

110

auxiliary track

112, 113

brackets

116

ground

118

screw

119

liner

120

rib plate

122, 124

clamps

126, 128, 130

Tracking devices

132

spacer

134, 136

step

138, 140

vertical thigh

142, 144

inner leg of the bracket 112, 113th

148, 150

section

152, 154

end regions

156, 158, 160, 162

L-shaped thigh

164, 166

claw-shaped element

168, 170

recess

172, 174

section

176, 178

head Start

181

foot

180, 182

longitudinal slots

184, 186

key members

185, 187

cotter pin

188, 190

Portions of the rails 22, 24

192, 194

Stege

196, 198

tabs

200, 202, 204, 206

drilling

208

screw

210, 212

slots

214, 216

key member

Claims (8)

Auxiliary track (110) with a desired track corresponding to spaced-apart rails (22, 24), in particular intended for transporting a track section by means of a crane,
characterized in that each rail (22, 24) at least partially fixed in a in the U-shaped or L-shaped bracket (112, 113) each with opposing rail facing leg (142, 144) is fixed, that in transverse to the longitudinal direction of Track extending levels track devices (126, 128, 130) are detachably connected to the brackets, that each tracking device comprises a spacer element (132) which bears in each case with an end portion on the outside of one of the legs of the brackets, and that each end portion with a the spacer element connected in tension to the respective leg pulling device (164, 166, 184, 186) which is releasably connected to both the holder and the spacer element. Auxiliary track according to claim 1,
characterized in that the tensioning means comprises a U-shaped or claw-shaped member (164, 166) comprising the legs (142, 144) of the support (122, 113) connected to the spacer element (132) via a wedge element (184, 186) is, wherein abuts on the outside of the leg of the holder abutting spacer element, the U-shaped or claw-shaped element on the inside of the leg and is spaced on the outside thereof. Auxiliary track according to claim 1 or 2,
characterized in that the U-shaped or claw-shaped element (164, 166) has a below the rail foot (181) can be arranged projection such as nose (176, 178). Auxiliary track according to one of the preceding claims,
characterized in that the spacer element (132) each end a fork-shaped two mutually parallel fork legs (156, 158, 160, 162) comprehensive geometry, between which a portion of the U- or claw-shaped element (164, 166) extends, and in the overlapping area of the fork legs and the U-shaped or claw-shaped element overlapping longitudinal slots (180, 182) extend, which are enforceable by the wedge element (184, 186) for relative displacement between the fork legs to the claw-shaped element. Auxiliary track according to one of the preceding claims,
characterized in that the wedge element (184, 186) by means of a fuse such as spring pin (186) is securable. Auxiliary track according to one of the preceding claims,
characterized in that each fork leg has a longitudinal edge along the upper edge of the leg (142, 144) extending portion (148, 150) which extends above the rail foot (181) for securing the lane keeping device. Auxiliary track according to one of the preceding claims,
characterized in that portions (188, 190) of the rail (22, 24) are connected via a releasable wedge bracing. Auxiliary track according to one of the preceding claims,
characterized in that the wedge bracing along respective web outer surface of the abutting portions (188, 190) has tabs (196, 198) connected to the sections screwed such that in the region of the web (192, 194) of each section is a slot that at least partially overlaps with the elongated holes (210, 212) extending in each web outer surface, and in that the oblong holes associated with the respective section of the rail (22, 24) are displaced by a wedge element (214, 216) for relative displacement between the flaps and The rail sections can be enforced in such a way that the rail sections are clamped to each other on impact.

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