WO2022236349A1 - Tamping machine for compacting the ballast bed of a track - Google Patents
Tamping machine for compacting the ballast bed of a track Download PDFInfo
- Publication number
- WO2022236349A1 WO2022236349A1 PCT/AT2022/060146 AT2022060146W WO2022236349A1 WO 2022236349 A1 WO2022236349 A1 WO 2022236349A1 AT 2022060146 W AT2022060146 W AT 2022060146W WO 2022236349 A1 WO2022236349 A1 WO 2022236349A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lifting
- roller
- tamping machine
- cylinder
- tamping
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 description 5
- 235000004443 Ricinus communis Nutrition 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
- E01B27/13—Packing sleepers, with or without concurrent work on the track
- E01B27/16—Sleeper-tamping machines
- E01B27/17—Sleeper-tamping machines combined with means for lifting, levelling or slewing the track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/10—Track-lifting or-lining devices or methods
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/12—Tamping devices
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/12—Tamping devices
- E01B2203/122—Tamping devices for straight track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/12—Tamping devices
- E01B2203/125—Tamping devices adapted for switches or crossings
Definitions
- the invention relates to a tamping machine for compacting the ballast bed of a track, with tamping units for tamping a track, with a lifting and straightening device for lifting and straightening tracks and points arranged between running gears, in the working direction preferably in front of the tamping units, with at least one height-adjustable device Lifting roller and with at least one independently height-adjustable lifting hook, the lifting roller and the lifting hook being arranged on a common console which is guided with an adjusting drive so as to be displaceable transversely to the longitudinal axis of the tamping machine.
- Switch tamping machines are machines for correcting the track position of switches and tracks.
- measuring systems are used which measure the actual track height, the actual track direction and the actual cant position of the track during work and compare it with specified target values.
- the track panel With the help of a track lifting and track straightening unit, the track panel is raised and laterally aligned until the difference between the specified target position and the actual position is zero.
- the switch In this spatial position, the switch is fixed by compacting the ballast under the sleepers with the help of a tamping unit.
- the track panel is lifted and straightened using hydraulic lifting and straightening cylinders with proportional or servo control. Switches indicate as a special feature 2 continuous tracks and one branch track.
- Trains are routed into the branch via so-called tongues or kept on the continuous main track.
- the so-called heart is located at the crossing point of the continuous track and the branching track.
- the railway wheel In the area of the frog, the railway wheel must be guided from the rail of the continuous line to the rail of the branching line. Guide rails are provided so that the wheel that is not guided in the area of the interruption rolls safely into the branch or into the continuous main line.
- the tamping units can be moved laterally and because of the sloping long sleepers, the tamping units can be rotated.
- the tamping tines can also be pivotable, at least in part.
- the machine operator controls the position of the tamping unit and, depending on the circumstances and discretion, he chooses the roller tongs or the lifting hook or the position of the lifting hook and the point of attack of the same on the rail head or on the rail foot.
- the lifting device can also be moved in the longitudinal direction of the track. This is necessary when the lifting hook acts on the foot of the rail - this is only possible in the area of the intermediate compartment - or when, for example, the roller tongs or the lifting hook cannot act on the head of the rail due to an insulated joint.
- the usual articulated arrangement of the rolling tongs which is closed by turning, has the disadvantage that the tongs are often forced open by the lifting forces and tear out.
- a further disadvantage of this design of the roller tongs closing around a pivot point is that the roller has to be readjusted manually in the event of wear or in the case of different rail head heights and that the roller tongs are fixed in their position transversely to the track. If the height of the roller tongs is not adjusted to the conditions, the straightening roller lifts off the rail by the amount of play that is present. This leads to undesired stress on the rail head further above and easily leads to the straightening roller slipping off with subsequent derailment.
- the lifting roller and lifting hook can be guided vertically and horizontally, i.e. transversely to the longitudinal axis of the tamping machine.
- Lifting hook and lifting roller are arranged on a common console and can be moved together with the console along a transverse guide.
- the leveling roller is lowered or raised hydraulically by means of cylinders.
- the console is moved horizontally inwards towards the middle of the track.
- the leveling roller is then moved upwards until it rests against the underside of the rail head. This avoids the dependency on the wear of the roller or different rail head heights. Readjusting the role is no longer necessary. Due to the design according to the invention, operation is carried out in the same way as with the lifting hook. Due to the form fit between 4
- lifting roller, rail head and straightening roller this prevents the lifting roller from being forced open and torn out.
- lifting rollers and lifting hooks are also arranged on a common console which is mounted so as to be displaceable transversely to the longitudinal axis of the machine.
- the lifting hooks are designed so that they can be adjusted higher for the basic setting of the height and the lifting rollers are movably guided about a pivot axis running in the longitudinal direction of the machine. Lifting rollers and hooks can be lifted together with the lift adjustment device.
- the disadvantage of this design is that the lifting roller and lifting hook can only be moved vertically and horizontally. When it comes to tamping mainline tracks, speed matters. If the roller guided in this way remains in contact with the rail when driving forward quickly, it may hit high-standing rail fasteners, insulated joints or rail welding beads. Due to the fact that the roller is guided horizontally, it cannot be forced open so quickly, which can result in damage to the roller, the lifting and straightening unit or the rail fastenings. For this reason, the roller is extended to the side far enough to avoid damage before the right-of-way with high-hanging hardware, and retracted again after the machine has come to a standstill. That takes time.
- the rolling tongs are only extended to the width of the rail head in front of the right of way and then closed again when the train comes to a standstill. This also takes time, which has a negative effect on machine performance, especially when tamping mainline tracks.
- a further disadvantage is that, in order to reduce the travel distance, the lifting crown of the lifting castor may be designed with a reduced thickness. As a result, the lifting crown tends to break.
- the invention is therefore based on the object of finding an embodiment of the lifting and straightening unit in which the lifting roller when driving fast forward 5 can be avoided so quickly that damage to the roller, the lifting and straightening unit or the rail fastenings can be avoided.
- the invention solves the problem in that the console is arranged on a guide carriage, with which it can be displaced transversely to the longitudinal axis of the tamping machine along a transverse guide, and that the console is mounted on the guide carriage with a swivel drive so that it can be pivoted about a pivot axis that is parallel to the longitudinal axis of the tamping machine.
- Advantageous developments of the invention are presented in the dependent claims.
- Flebe hook and Fleberolle are mounted on the common console and each adjustable in height with a lifting drive. It is essential to the invention that this console is designed to be rotatable with respect to the guide carriage, ie it can be pivoted about a pivot axis parallel to the longitudinal axis of the tamping machine.
- a further advantage is that the rim of the flex roller can be made stronger due to the pivotability and therefore no longer tends to break.
- the guide carriage can be moved along the transverse guide transversely to the longitudinal axis of the tamping machine.
- the piston rods or cylinders of two flydraulic cylinders are supported on the console, which is mounted on the guide carriage so that it can be pivoted in particular around the longitudinal axis of the tamping machine.
- a hydraulic cylinder with a smaller flow is used for vertical adjustment of the web reel.
- the other longer flub hydraulic cylinder is for the Flebehook. The longer flub is necessary so that the Flebehaken both at 6
- the hydraulic cylinders are connected to the lifting hook or the lifting roller, which in turn can be moved up and down along vertical guides (in the console).
- the guide carriage with the console with the lifting roller or the lifting hook is brought into the respective position (attack lifting roller or lifting hook) via a hydraulic cylinder lying transversely to the longitudinal axis of the tamping machine and supported on the lifting and straightening unit.
- the console can be swiveled using the swivel drive. This allows the leveling castor to be swiveled in when the vehicle has the right of way and/or to remain closed with reduced pressure as an overload protection to limit the swiveling force.
- the leveling roller can be slightly pushed open by the obstacle if the set closing pressure is exceeded.
- the purely vertical position that is not swiveled from a vertical zero position or a correspondingly more favorable swiveled console position can be selected. This allows the hook or the roll to be placed vertically from above to save space.
- the lifting tool is moved inwards with the sliding bracket until the lifting tool makes contact with the rail. In the subsequent process, it is lifted until the form fit between the lifting tool and the rail is established.
- the straightening roller cannot lift off the track because there is a form fit between the lifting tool and the rail.
- an advantageous embodiment of the invention results when the actuator is a transverse displacement cylinder with a displacement sensor, when the lifting roller is height-adjustable with a vertical lifting cylinder with a lifting sensor and when the lifting hook is height-adjustable with a vertical lifting cylinder with a lifting sensor Slewing drive be assigned a stroke sensor.
- the vertical stroke values and the torsion setting are specified as target values and compared with the measured actual values. This further relieves the operator. If the displacement sensor of the displacement cylinder, the displacement sensor of the vertical lifting cylinder for the lifting roller and the displacement sensor of the vertical lifting cylinder for the lifting hook and the displacement sensor for the swivel cylinder are each integrated in the assigned cylinder, then the result is a particularly robust, less fault-prone and tidy construction.
- a further advantage of the embodiment according to the invention with displacement sensors is that the clear closure of the lifting tools and the form closure associated therewith can be measured and monitored.
- the lifting hook or the lifting roller cannot be brought under the rail head, for example, because an insulating or welding joint mechanically prevents closing, this can be measured by the corresponding insufficient closing distance.
- the lifting hook can be automatically lowered to grip the foot of the rail.
- Another option is to move the lifting and straightening unit in the longitudinal direction parallel to the track until the lifting roller or the lifting hook can clearly grip again.
- the use of a common console and a common use of the transverse guide and the slewing drive for the lifting roller and the lifting hook results in a simplification of the system, which is associated with the same operating steps and which can be automated.
- the lifting roller Due to the possibility of swiveling in the lifting roller, it can remain closed according to the invention when the line is tamped and rest against the rail. This reduces the activation time of the leveling roller and increases the working speed of the tamping machine. In addition, possible damage is avoided.
- the lifting devices are easily accessible and facilitate maintenance and repairs. Pivoting the lifting tools makes it easier to inspect the lifting tools.
- the leveling roller in the embodiment according to the invention is brought into a positive fit with the rail head by horizontal, vertical and rotating movements and this occurs regardless of the extent of wear on the leveling roller or the height of the rail head, there is no need to adjust the leveling roller in terms of height.
- FIG. 1 shows a side view of a rail tamping machine that can be driven on rails
- FIG. 3 is a view of a lifting and straightening unit according to the prior art
- FIG. 5 shows a highly simplified pivotable lifting roller to show the intervention situation on a rail head
- a tamping machine 1 (Fig. 1) has a tamping unit 4 and a track lifting and straightening unit 2 with a lifting cylinder 5, with a rolling pincer with a lifting roller 6 9 and with a lifting hook 7 on.
- the lifting and straightening unit can be moved by a hydraulic cylinder 11 in the longitudinal direction of the track.
- the points tamping machine can be moved on the track via 8 drives.
- the tamping machine 1 is controlled from the work cabin 28 arranged in the working direction C in front of the tamping unit 4 .
- the work cabin 28 and the driving cabins can be entered via side doors 29 .
- FIG. 2 of a known (SdT) design of a lifting and straightening unit 2 shows the rolling tongs 6, the rolling tongs lock cylinder 12, the lifting cylinder 5 with the lifting force FH, the rail 9 and the guide straightening wheel 14.
- FIG. 3 An embodiment according to the prior art of the lifting and straightening unit 2 is shown in FIG. 3, in particular the common support bracket 10, the vertical guide cylinder of the lifting roller 3 and the lifting hook 13 with lifting movement V with lifting path sensors 20, 21, the common transverse guide 16, the shifting cylinder 17 with shifting path H and displacement sensor 22, the guide straightening wheel 14, the lifting roller 6, the lifting hook 7 in the closed position on the rail head and in the closed position 19 on the rail foot, the rail 9, the lifting cylinder 5 with the lifting force FH.
- FIG. 4 shows the roller tongs with lifting roller 6, with the transverse displacement path H of the transverse guide 16 and the pivoting range of the swivel drive 12 being extended in such a way that a rail 9 with the lifting roller 6 can be gripped both from the outside of the track and from the inside of the track is. If the displacement of the guide carriage 10 with the bracket 31 is sufficiently large, the lifting roller 33 can also act on the inside of the rail at the rail head.
- a straightening wheel 14 guides the lifting and straightening device on the rail 9.
- roller tongs 23 show a greatly simplified roller tongs once in the closed and once in the open state 15.
- a horizontally delivered roller tongs 23 would lead to conflicts 25.
- This horizontally provided roller tongs 23 would remain during 10 of the right of way closed, then it would damage the fasteners 26. If an insulated joint occurs 24 then the closed roller gripper 23 would suddenly be pressed open, which would lead to high forces and damage.
- Fig. 6 shows the lifting and straightening unit 2 of a tamping machine according to the invention, with the transverse guides height-adjustable lifting hook 7, wherein the lifting roller 6 and the lifting hook 7 are arranged on a common bracket 31, which is guided transversely to the longitudinal axis L of the tamping machine so as to be displaceable with an adjusting drive 17.
- the console 31 is arranged on a guide carriage 10 with which it can be displaced transversely to the longitudinal axis L of the tamping machine along a transverse guide 16 .
- the bracket 31 can be pivoted with a pivot drive (12), here a hydraulic cylinder, about a pivot axis 30 parallel to the longitudinal axis of the tamping machine.
- the actuator 17 is a transverse displacement cylinder with a displacement sensor 22, the lifting roller 6 is height-adjustable with a vertical lifting cylinder 3 with lifting sensor 20 and the lifting hook 7 is height-adjustable with a vertical lifting cylinder 13 with lifting sensor 21.
- a stroke sensor 32 is assigned to the swivel drive 12, in this case the swivel cylinder.
- the bracket 31 is mounted with the swivel drive 12 on the guide carriage 10 so that it can be swiveled about the swivel axis 30 parallel to the longitudinal axis of the tamping machine.
- the displacement sensor 22 of the displacement cylinder 17, the stroke sensor 20 of the vertical lifting cylinder 3 for the lifting roller 6 and the lifting sensor 21 of the vertical lifting cylinder 13 for the lifting hook 7 and the lifting sensor 32 for the swivel cylinder 12 are each integrated into the associated cylinder.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280033873.5A CN117280094A (en) | 2021-05-11 | 2022-04-28 | Tamping machine for ballast beds of tamped tracks |
EP22722397.1A EP4337829A1 (en) | 2021-05-11 | 2022-04-28 | Tamping machine for compacting the ballast bed of a track |
JP2023569842A JP2024517933A (en) | 2021-05-11 | 2022-04-28 | A tamping machine that compacts the track ballast bed. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50360/2021A AT525020B1 (en) | 2021-05-11 | 2021-05-11 | Tamping machine for compacting the ballast bed of a track |
ATA50360/2021 | 2021-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022236349A1 true WO2022236349A1 (en) | 2022-11-17 |
Family
ID=81597966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2022/060146 WO2022236349A1 (en) | 2021-05-11 | 2022-04-28 | Tamping machine for compacting the ballast bed of a track |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4337829A1 (en) |
JP (1) | JP2024517933A (en) |
CN (1) | CN117280094A (en) |
AT (1) | AT525020B1 (en) |
WO (1) | WO2022236349A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT18206U1 (en) * | 2022-11-29 | 2024-05-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Lifting unit for a tamping machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3738750A1 (en) | 1987-02-27 | 1988-09-08 | Plasser Bahnbaumasch Franz | Mobile track-working machine for the points and crossing region |
CH705271A2 (en) * | 2011-07-15 | 2013-01-15 | Dreco Sa | Clamp leveling equipment for railway track, has telescopes connected centrally by actuator that is constantly supported by wheels against rails of track so as to compensate for variations in distance between telescopes |
WO2016191776A1 (en) | 2015-06-02 | 2016-12-08 | System 7 - Railsupport GmbH | Tamping machine for compacting the ballast bed of a track |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT369069B (en) * | 1980-09-04 | 1982-12-10 | Plasser Bahnbaumasch Franz | MOBILE TRACK LEVEL LEVELING MACHINE |
AT391903B (en) * | 1989-01-26 | 1990-12-27 | Plasser Bahnbaumasch Franz | DRIVABLE TRACK MACHINE WITH A DEVICE FOR CONTROLLING THE WORKING POSITION OF YOUR WORKING AGGREGATE OR. -TOOLS |
CN111979856A (en) * | 2019-05-21 | 2020-11-24 | 中国铁建高新装备股份有限公司 | Track lifting and lining device and track lifting and lining operation method |
-
2021
- 2021-05-11 AT ATA50360/2021A patent/AT525020B1/en active
-
2022
- 2022-04-28 CN CN202280033873.5A patent/CN117280094A/en active Pending
- 2022-04-28 WO PCT/AT2022/060146 patent/WO2022236349A1/en active Application Filing
- 2022-04-28 EP EP22722397.1A patent/EP4337829A1/en active Pending
- 2022-04-28 JP JP2023569842A patent/JP2024517933A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3738750A1 (en) | 1987-02-27 | 1988-09-08 | Plasser Bahnbaumasch Franz | Mobile track-working machine for the points and crossing region |
CH705271A2 (en) * | 2011-07-15 | 2013-01-15 | Dreco Sa | Clamp leveling equipment for railway track, has telescopes connected centrally by actuator that is constantly supported by wheels against rails of track so as to compensate for variations in distance between telescopes |
WO2016191776A1 (en) | 2015-06-02 | 2016-12-08 | System 7 - Railsupport GmbH | Tamping machine for compacting the ballast bed of a track |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT18206U1 (en) * | 2022-11-29 | 2024-05-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Lifting unit for a tamping machine |
EP4379137A1 (en) * | 2022-11-29 | 2024-06-05 | Plasser & Theurer, Export von Bahnbaumaschinen, Gesellschaft m.b.H. | Lifting unit for a tamping machine |
Also Published As
Publication number | Publication date |
---|---|
JP2024517933A (en) | 2024-04-23 |
AT525020B1 (en) | 2023-01-15 |
EP4337829A1 (en) | 2024-03-20 |
CN117280094A (en) | 2023-12-22 |
AT525020A1 (en) | 2022-11-15 |
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