CN1321245C - Screw device for high-adjusting a track span - Google Patents

Abstract

The invention relates to a screw device for high-adjusting and a snaping to track on a lower structure, having a transverse cantilever on a guided long nut with an adjustable height acting on the rail from beneath and fixed on a height regulating screw. The transverse cantilever is designed to be a horizontal screw plate beard on the long nut and swung around a horizontal axes. A slide block with a clamping holding device for rail base is able to move on the horizontal screw plate transversely to the high-adjusting screw recurring to the first and second screw apparatus.

Description

Screw device for adjusting the height of the track combination

technical field

The present invention relates to a screw assembly for height adjustment and alignment adjustment of rails on a substructure, which has a height adjustable screw/mandrel acting on the rail from below and fixed on a height adjustment screw/spindle A transverse cantilever beam on a ground-guided elongated nut.

Background technique

When height-adjusting and aligning track units/track units (Gleisrost) for fixed carriageways, it is not only always necessary to adjust the rails to the correct height, but it is also necessary to be able to provide a certain superelevation at bends (berhohung), for which the track combination must be tiltable. Therefore envisage in a device known by DE 197 39 671 C2 for height adjustment and temporary support of rails, said rails are supported on a support edge (Lagerschneide), so that when one side of the rail combination is raised On the other side, as is the case in bends, the rails are correspondingly pivotable on their bearings. At this time, however, there is a risk of sideways sliding, and in particular the height adjustment device provided here with relatively movable wedges is not suitable for achieving the necessary horizontal movement when aligning the rail groups, because the rails Any horizontal movement of one of the supporting wedges means a simultaneous change in height position.

Spindle arrangements have proven themselves well for the height adjustment of track groups, but up to now in principle two completely separate spindles were required for height adjustment and horizontal movement, and the horizontal adjustment spindle was in the In the case of large adjustment strokes, there is the risk of tipping the vertical spindle and thus tipping the rail.

Contents of the invention

It is therefore the object of the present invention to design a threaded spindle device for height adjustment and alignment of rails, in particular for rail groups of fixed running rails, in such a way that it can be adjusted at height without interfering mutual influences. and horizontal direction for simple and reliable movement.

In order to achieve the stated purpose, according to the idea of the present invention, the transverse cantilever beam is designed as a horizontal screw plate supported on the elongated nut swingably around a horizontal axis, and on the horizontal screw plate a The slider is movable in a direction transverse to said height adjustment screw by means of a second screw arrangement, the slider being provided with a clamping and holding device for the rail base.

Owing to according to the structural form of the present invention, the horizontal adjustment screw rod no longer has an impact on the height adjustment screw rod, thus unlike the situation so far, when the track combination is carried out after the event level adjustment, the height adjustment screw rod can not be changed from Tips out from its vertical position. At the same time, the horizontal threaded spindle plate supported on the elongated nut forms a support for the rail, which can be adjusted to any desired angle when raising a bend.

Here, in an embodiment of the invention it is envisaged that the slide comprises a rib provided with a guide rail which surrounds the horizontal spindle plate and has a clamping hook and a conventional rail bottom threaded clamping part. This results in a very simple and reliable holding device for a pair of rails, which at the same time allows a very simple leveling device to be realized.

In this way, according to another characteristic of the invention, it is envisaged to fasten on the slider—in particular welded—a rigid horizontal threaded rod passing through a support block, which can be attached to the support block on both sides. The adjusting nut on it moves along its longitudinal axis.

Furthermore, it is within the scope of the invention that the horizontal swivel joint of the horizontal spindle is fixable, which has the great advantage that in the event of vibrations or other transverse forces acting on the track group, the support Unit will not tip over.

In order to achieve a simple disassembly of the spindle arrangement according to the invention after pouring of the concrete, it is conceivable in a further development of the invention that the clamping hooks above the ribs can be removed, in particular in such a way that That is, the clamping hook is formed by a bolt for a clamping plate that overlaps the rail base. The removable clamping hooks in combination with the detachable fixing of the second screw unit allow simple pulling out of the support unit on the slide and horizontal screw plate, while the rigid hooks make it necessary first to be able to (The support means) reduce the amount of protrusion of the hook.

In the case that the second screw device is designed such that it does not protrude from the underside of the rail base, the detachability can be omitted, because the detachability is only used for the purpose that if The rail bottom has been concreted, and the support device according to the invention can be pulled out without lowering it below the rail bottom.

The length of the elongated nut guided on the height-adjusting screw is chosen in such a way that the support is sufficiently rigid if the elongated nut overlaps the height-adjusting screw substantially completely and only allows It is advantageous to have sufficient play for the often necessary adjustment travel.

According to another feature of the invention, it is possible to provide for the height-adjusting screw a fixed support rail laid on the rail substructure, which allows the lower end of the height-adjusting screw to slide easily in the longitudinal direction, so that The method can compensate for the difference in thermal expansion that occurs when the support time is long.

In this case, it has been found to be particularly expedient for the support rail to be an angle rail with an upwardly projecting, oppositely directed support branch for the height adjustment spindle, which prevents lateral slippage. The relative orientation here means that the angular rails are either both with their openings facing outwards or both with their openings facing inwards. In addition, U-shaped rails can also be used. In this case, the bearing branch rests on the height adjustment spindle on the inside and/or on the outside.

Description of drawings

Further advantages, features and details of the invention emerge from the following description of an exemplary embodiment and from the drawing. in:

Figure 1 shows a view of the screw arrangement according to the invention, on which the rails of the track group (otherwise not shown) are supported in the inclined position that occurs at track bends with superelevation device,

Fig. 2 shows the enlarged view of the swing hinge of the horizontal screw rod plate along the direction of arrow II in Fig. 1,

Fig. 3 shows the sectional view on line III-III in Fig. 1,

Fig. 4 shows the sectional view of horizontal screw rod plate,

FIG. 5 shows a view corresponding to FIG. 1 of a modified spindle device with a detachable hook for the rail bottom and a modified form of the pivot joint,

FIG. 6 shows a top view of the arrangement according to FIG. 5 without rails,

Fig. 7 shows Fig. 5 along the view of arrow VII direction in Fig. 5, and

FIG. 8 shows a view from the outside in the direction of arrow VIII in FIG. 5 .

Detailed ways

In FIG. 1 the upper side of the track substructure 1 can be seen, on which reinforcing steel bars 2 can be seen, which are embedded together in the subsequent pouring structure. Mounted on the substructure 1 is a height-adjusting spindle 3 , on which an elongated nut 4 is guided. The height of the elongated nut can be adjusted by turning the screw, for example via its hexagonal head 5 , to which a horizontal screw plate 7 is fixed by means of an articulation 6 . A slide 8 is mounted on said horizontal screw plate in a transversely slidable manner, said slide comprising a rib 9 with a clamping hook 10 and a conventional rail for fixing the rail base 12 of a rail 13 Bottom screw clamp 11. The rails 13 are here rails of a rail block with not shown sleepers connecting the rails, wherein the screw arrangements according to the invention are arranged at intervals along one or the other rail. A leveling screw 14 is used to level the track group, said leveling screw is fastened to said rib plate, welded at 15 in the embodiment shown, and passes through a support block 16 of the leveling screw plate. By the adjustment nut 17 on the horizontal screw rod 14, it can be adjusted in the longitudinal direction of the horizontal screw rod—that is, on the horizontal horizontal adjustment direction desired by the track group, and the horizontal adjustment will not affect the height of the height adjustment screw rod. position has no effect.

As shown in particular in FIG. 4 , guide rails 18 surrounding and acting on the horizontal screw plate 7 are fixed laterally on said ribs 8 , and as can be seen in FIG. 4 , in the embodiment shown, said guide rails comprise Two parts that are screwed together. Said part forms the actual slider guide.

The horizontal spindle plate 7 is welded to two sleeves 19 which are supported on a pivot pin 20 of the pivot joint 6 . Another sleeve 21 is arranged between the two sleeves, and the sleeve 21 is welded together with the elongated nut 4 on the screw mandrel 3 . On described sleeve 19 and 21, be welded with the plate part that is provided with slotted hole 24, thereby can carry out certain swing, as this is necessary for the purpose of making horizontal lead screw plate swing when rail joint has superelevation. A threaded spindle 25 with a screw head 26 and a nut 27 clamps and locks the plates 22 and 23 against one another, thereby securing the pivot joint 6 . Securing the pivot joint after the alignment has been completed has the important advantage that lateral forces acting on the track combination do not cause it to tip over. Optionally, of course, such a quick clamp can also be used to realize the fixing.

FIGS. 5 to 8 show a second embodiment of the spindle arrangement according to the invention, which differs from the arrangement of FIGS. 1 to 4 mainly in two points. On the one hand, the hook 10 of the rib 8 is replaced by a screw 10 a which presses a clamping plate 10 b against the rail base 12 . This makes it possible to remove the hook formed by the two parts 10a and 10b, wherein a lower auxiliary plate 10c can also be provided, but said auxiliary plate must be slightly lower than the height of the rail bottom 12, so that when pouring concrete After the aligned rails have been assembled, the rib 8 is simply pulled out to the left together with the remaining components of the screw arrangement, without first lowering the protrusion of the hook 10 (with the rib) as shown in FIGS. 1 to 4 as in the implementation form. Due to the detachability of the hooks 10a, 10b, 10c, the second screw device with the horizontal screw 14 should also be detachably fixed on the slider with the ribs 8 and can be removed by means of the bolts 28. It is detachably fixed on the horizontal screw rod plate 7.

Furthermore, instead of the spaced-apart plate 23 with the intermediate sleeve and the bearing element, a monolith 23 a is provided, which is fixedly and pivotally mounted on the shaft by means of a spindle 25 with a head 26 and a nut 27 Between the side panels 22.

The corner rail 30 can be seen in the figure, its horizontal branch 31 is fixed on the lower structure of the rail, and the branch 32 protruding upward forms a fitting part for the height adjustment screw rod 3 . On the left and right sides of the track group, the corner rails are arranged opposite to each other, so that the upwardly protruding branches are attached to the height adjustment screw rod 3 on the inner side. The branch protruding upwards thus prevents the support device from moving to the left or right in the horizontal direction, while on the other hand said horizontal branch forms a support rail for the raised lower end of the height adjustment screw 3, so that if a higher The temperature difference enables the ends to slide better in the axial direction of the rail and a corresponding elongation of the rail also makes this movement necessary during bearing. This avoids a separate complex longitudinal adjustment on the spindle arrangement, as is provided in the prior art.

Claims (11)

1. be used for the height adjusting of the structural track in a bottom and the lead screw device of alignment, having one acts on the rail from below and is fixed on one at the horizontal cantilever beam of highly regulating on the microscler nut that is directed to adjustable height on the screw mandrel, it is characterized in that, described horizontal cantilever beam is designed to one can swingingly be bearing in horizontal lead screw plate (7) on the described microscler nut (4) around a horizontal axis (20), a slide block is by means of one second lead screw device (14,15,16) can move on described horizontal lead screw plate along the direction with described height adjusting screw mandrel (3) traversed by, described slide block is provided with a clamping holding device that is used for the flange of rail (12).

2. lead screw device according to claim 1, it is characterized in that described slide block comprises that is provided with floor guide rail (18) and that have a clamp hook (10) (8) and the common flange of rail screw thread clamping element (11) of encapsulation on described horizontal lead screw.

3. lead screw device according to claim 1 and 2, it is characterized in that, at described slide block (8,18) be fixed with a rigidity level screw mandrel (14) that passes the rest pad (16) on the described horizontal lead screw plate (7) on, described horizontal lead screw can vertically move along it by means of the adjusting nut (17) that is fitted in both sides on the described rest pad (16).

4. lead screw device according to claim 2 is characterized in that, the described clamp hook in top (10a, 10b, 10c) of described floor (8) is removable.

5. lead screw device according to claim 4 is characterized in that, described clamp hook is formed by a bolt (10a) that is used to be overlapped on the clamping plate (10b) on the flange of rail (12).

6. lead screw device according to claim 4 is characterized in that, described second lead screw device (14,28) removably is fixed on slide block and the horizontal lead screw plate (7).

7. lead screw device according to claim 1 is characterized in that, the horizontal hinge (6) of described horizontal lead screw plate (7) is fixable.

8. lead screw device according to claim 1 is characterized in that, described microscler nut (4) with highly regulate the screw mandrel overlaid, to improve rigidity.

9. lead screw device according to claim 1 is characterized in that, is provided with to be used for that described height is regulated screw mandrel (3) and to be laid in the supporting rail of fixing on the track substructure (31).

10. lead screw device according to claim 9 is characterized in that, described supporting rail (31) is angle rail (30) or U-shaped section bar relative orientation and that have the branch that is used for highly regulating screw mandrel (3) (32) that projects upwards.

11. lead screw device according to claim 1 is characterized in that, the placement angle that described horizontal lead screw plate (7) is regulated screw mandrel (3) with respect to described height can be adjusted continuously.

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