Tamping machine for compacting the ballast bed of a track

Abstract

The invention relates to a tamping machine (1) for compacting the ballast bed of a track (9), comprising tamping units (4) for tamping a track (9), a lifting and lining device (2) for lifting and lining tracks and switches (9), said device being arranged between the running gears (8), preferably in front of the tamping units (4) in the working direction (C), and comprising lifting rollers (6) and lifting hooks (7). In order to provide advantageous conditions it is proposed that the lifting roller (6) with its associated vertical guide (18) and the lifting hook (7) with its associated vertical guide are displaceably mounted along a common transverse guide (16) extending transversely to the longitudinal axis (L) of the tamping machine.

Claims

1. A tamping machine for compacting the ballast bed of a track, comprising: tamping units tamping the track, said tamping units having a lifting and lining device lifting and lining tracks and switches, said device being arranged between running gears and comprising a lifting roller and a lifting hook, wherein the lifting roller and the lifting hook each has associated therewith a respective vertical guide, and the lifting roller and the lifting hook each moves in a respective vertical path independently of each other on the respective vertical guide, and the lifting roller and the lifting hook and the associated vertical guides are displaceably mounted along a common transverse guide extending transversely to a longitudinal axis of the tamping machine so as to be transversely movable.

2. The tamping machine according to claim 1, wherein the lifting roller with the associated vertical guide and the lifting hook with associated vertical guide are arranged in a common bracket and are displaceably mounted with the bracket along the common transverse guide.

3. The tamping machine according to claim 2, wherein the lifting roller and the lifting hook each has a respective vertical guide cylinder, and the lifting roller and the lifting hook and the vertical guide cylinders thereof are associated with the common bracket and the bracket is displaceably mounted with a transverse displacement cylinder along the transverse guide.

4. The tamping machine according to claim 3, wherein a displacement sensor is associated with the transverse displacement cylinder, a first lifting travel sensor is associated with the vertical lifting cylinder of the lifting roller, and a second lifting travel sensor is associated with the vertical lifting cylinder of the lifting hook.

5. The tamping machine according to claim 4, wherein the displacement sensor of the displacement cylinder, the lifting travel sensor of the vertical lifting cylinder for the lifting roller and the lifting travel sensor of the vertical lifting cylinder for the lifting hook are integrated into the respective cylinders, which are hydraulic.

6. The tamping machine according to claim 2, wherein the lifting roller has a vertical guide cylinder and the lifting hook has a vertical guide cylinder, and the lifting roller and the lifting hook and the vertical guide cylinders thereof are associated with the common bracket and the bracket is displaceably mounted with a transverse displacement cylinder along the transverse guide.

7. The tamping machine according to claim 6, wherein a displacement sensor is associated with the transverse displacement cylinder, a first lifting travel sensor is associated with the vertical lifting cylinder of the lifting roller, and a second lifting travel sensor is associated with the vertical lifting cylinder of the lifting hook.

8. The tamping machine according to claim 7, wherein the displacement sensor of the displacement cylinder, the lifting travel sensor of the vertical lifting cylinder for the lifting roller and the lifting travel sensor of the vertical lifting cylinder for the lifting hook are integrated into the respective cylinders, which are hydraulic.

9. The tamping machine according to claim 1, wherein said device is arranged between the running gears in front of the tamping units in a working direction.

10. The tamping machine according to claim 5, wherein said device is arranged between the running gears in front of the tamping units in a working direction.

11. The tamping machine according to claim 8, wherein said device is arranged between the running gears in front of the tamping units in a working direction.

Description

BRIEF DESCRIPTION OF THE DRAWING

(1) The subject matter of the invention is shown in the drawings by way of example, wherein:

(2) FIG. 1 shows a side view of a track-driveable tamping machine,

(3) FIG. 2 shows a lifting and lining device with a roller pincer and transversely movable and depth-adjustable lifting hooks according to the prior art,

(4) FIG. 3 shows a section of the device from FIG. 2 in a front view (A),

(5) FIG. 4 shows a front view of the roller pincers of FIG. 2,

(6) FIG. 5 shows a lifting and lining device according to the invention with vertically adjustable lifting hook and lifting roller

(7) FIG. 6 shows the lifting roller according to the invention in the working position and

(8) FIG. 7 shows a side view of the lifting and lining device according to the invention from FIG. 5 with vertically adjustable lifting hook and lifting roller.

DESCRIPTION OF THE PREFERRED EMBODIMENT

(9) A tamping machine 1, in particular a switch tamping machine (FIG. 1), has a tamping unit 4 and a track lifting and lining unit 2 with a lifting cylinder 5, a roller pincer 6 and a lifting hook 7. The lifting and lining unit can be displaced in the longitudinal direction of the track via a hydraulic cylinder 11. The switch tamping machine is movable via running gears 8 on the track 9. The control of the switch tamping machine 1 takes place from the working cabin 28 arranged in the direction of operation C in front of the tamping unit 4. The working cabin 28 and the driver's cab can be entered via lateral doors 29. The working cabin 28 is used in the case of mere track tamping.

(10) A lifting and lining unit (FIGS. 2 to 5) comprises a roller pincer 6, a roller pincer closing cylinder 12, a lifting cylinder 5 with the lifting force FH, a hook depth cylinder 13 for the lifting hook, a lifting hook 7 and a guide lining wheel 14. The lifting and lining unit 2 is guided along the rail 9 via wheels 14. The view according to FIG. 3 shows the guide device 16 for the transverse displacement of the lifting hook 7, the lifting hook displacement cylinder 17, the guide lining wheel 14, the lifting cylinder 5 and the guide rail 9. FIG. 4 shows the roller pincer 6, the roller pincer closing cylinder 12, the lifting cylinder 5 with the lifting force FH, the guide rail 9 and the guide lining wheel 14.

(11) The embodiment of the lifting and lining unit 2 in accordance with the invention as shown in FIG. 5 illustrates the common bracket 10, the vertical guide cylinders 3, 13 of the lifting roller 6 and the lifting hook 7 with a vertical lifting movement V with lifting travel sensors 20, 21, the common transverse guide 16, two guide rods arranged one above the other, the displacement cylinder 17 with the transverse displacement path H and the displacement sensor 22, the guide lining wheel 14, the lifting roller 6, the lifting hook 7 in the closed position on the rail head and in the closed position 19 (dashed line) on the rail base, the rail 9, the lifting cylinder 5 with the lifting force F.sub.H. The view according to FIG. 6 shows, according to the invention, the interlocking connection between the vertically guided lifting roller 6, the guide lining wheel 14 and the rail 9.

(12) FIG. 7 shows the lateral view of the lifting and aligning unit 2 according to the invention, comprising the transverse guides 16, the vertical guide 18, the vertical lifting cylinders 3, 13 for the lifting roller 6 and the lifting hook 7, the common displacement bracket 10 and the guide lining wheel 14.