• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Assembly procedure for railway tracks on a mounting platform on which cross ties (20) are located, comprising at least the following steps: A) approaching a rail train (30) with the sections of the rails (1) to be mounted to the assembly area, - b) joining the pairs of lanes (1) to the consecutive lanes (1) by means of drag-out flanges (200), - c) unloading from the train lane (30) on the platform of the lane pairs (1), - d) squareing the sleepers (20) by means of a squaring device, - e) joining the consecutive lane pairs (1) by means of a connecting flange (100), - f) unloading of ballast in hoppers on the platform, - g) hitting the lanes (1), - h) profiling of the ballast using a profiling device (400), - i) rail welding (1). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2561928A2
    申请号:ES201430549
    申请日:2014-04-11
    公开日:2016-03-01
    发明作者:Fernando Maria LOPEZ BUENO；Rodolfo MORENO PEREZ；Miguel Angel VALENCIA AREVALO
    申请人:Ferrovial Agroman SA；
    IPC主号:
    专利说明:

    Railroad track assembly procedure
    Field of the Invention
    The invention relates to a method of assembling railway tracks, more specifically to the process of unloading, positioning and auxiliary works of railway tracks.
    Background of the invention
    The rail train is the means by which the rails usually arrive at the assembly area of the railway tracks, having to carry out the subsequent unloading of the rails of the 10 rail train.
    There are basically two methods to download the lanes. They differ in that in one of them the rail train advances on the already mounted track while the rail remains moored at a fixed point by one of its ends and, in the other method, the rail train remains motionless while the rail is removed following the rail alignment of the track. Yes
    15 the first method is used, a previously mounted track is required, that is, an auxiliary track that can be a track that will be replaced later.
    With the second method, the rail train is kept standing on the track, which may be the new track already placed before, and the new rail that is placed as a continuation of this previously mounted track is removed.
    Description of the invention
    The method of assembling railway tracks object of the invention is carried out on a mounting platform on which some sleepers are located, and comprises at least the following steps:
    a) approach of a rail train with the rail sections to be mounted to the assembly area,
    b) joining the pairs of rails to the consecutive rails by means of drag flanges comprising a support element comprising a first part and a second part comprising two rail gripping elements so that the gripping element is positioned in each of the faces of the soul of the rail, the sliding grip element being relative to the element
    P201 430549
    support in the longitudinal direction of the rail so that when moving the
    grip element in the direction of the lane's throw it locks into the soul of the lane,
    c) unloading from the rail train on the platform of the pairs of rails joined by the drag flanges,
    d) squaring of the sleepers by means of a squaring device comprising extendable positioning elements that are placed between consecutive sleepers parallel to the direction of the rail and extension of said positioning elements in the direction parallel to the rail,
    e) joining the pairs of consecutive lanes unloaded by means of a connecting flange comprising two stabilizing parts that are positioned longitudinally to the rails to be joined, with an upper internal surface and a lower internal surface that are in contact with the base of the head and the base of the skate of the rails to be joined and then the stabilizer parts are tightened towards the rails to be joined,
    f) unloading ballast in hoppers on the platform,
    g) batting of the lanes,
    h) ballast profiling through a profiling device attached to a earthmoving machine,
    i) rail welding.
    The first pair of rails can be attached to a shooting machine that travels on the platform that would pull the rails while the rail train remains fixed. Optionally, prior to the unloading of the first pair of rails, the assembly of a unloading tool for guiding the rails comprising bearings for sliding them is carried out on the sleepers.
    Another alternative would be to use an auxiliary track parallel to the road that is mounted and the rail train would travel along said auxiliary track while the ends of the rails to be unloaded would be attached to a fixed point on the sleepers of the road that is mounted.
    In both alternatives it would be possible for the first pair of lanes to join a lane coupon through two drag flanges that at one end would join the coupon
    lane and at the other end would join the first lane. A lane coupon is essentially a short stretch of lane.
    The method object of the invention would be applicable both to the unloading of rails on the sleepers or on both sides of the sleepers.
    5 Description of the figures
    To complete the description and in order to provide a better understanding of the invention, a set of drawings is provided. Said drawings form an integral part of the description and illustrate embodiments of the invention.
    10 Figure 1 shows a side and schematic plan view of an embodiment example of the unloading of a first pair of rails from the rail train without auxiliary track.
    Figure 2 shows a schematic plan view of an exemplary embodiment of the unloading of rails from an auxiliary track.
    Figure 3 shows a schematic elevation view of an exemplary embodiment of a side rail unloading device.
    fifteen Figure 4 shows a cross section of an exemplary embodiment of a connecting flange.
    Figure 5 shows a cross section of an embodiment example of a drag flange.
    Figure 6 shows a longitudinal section of the embodiment of Figure 5.
    2 o Figure 7 shows square.aviewschematicfromaexamplefromrealizationfroma
    Figure 8 shows a schematic view of an exemplary embodiment of a profiling device.
    25 Figure 9 shows a schematic plan view of the profiling device corresponding to Figure 8.of theexample ofrealizationof the
    Detailed description of the invention
    In the procedure of assembling railway tracks, the first ballast layer is extended to an approximate thickness of about 15 cm. Then the unloading of sleepers (20) is carried out from the transport platforms, distributing them

    for example every 0.60 m and aligning them by their heads. Next, the train gives way
    lane (30) to unload the rails (1) using the appropriate procedures and tools. The problem for the extension of the rails (1) in the assembly of a new track, begins with the arrival of the rail trains (30) to the assembly area, either by the auxiliary track (60) mounted for this purpose, or , by the road itself already mounted. From that moment and with the unloading of lanes (1) proper, they begin a series of operations that aim to place these elements in position on the sleepers (20).
    Figure 1 shows an example of a track assembly where the unloading is carried out by means of a pulling machine (10) that moves on the platform while the rail train (30) remains fixed. In this exemplary embodiment, there is no auxiliary track (60) for assembly.
    In this exemplary embodiment for unloading the rails (1) the end of the first pair of rails (1) is attached to the shooting machine (10). The shooting machine (10) is able to move on the platform with the sleepers (20) previously placed without them or the rail itself (1) unloaded and positioned as an obstacle to their ability to move and work. For this, the shooting machine (10) can comprise two tracks (11) whose inner faces are at least one another wide from a crossbar (20).
    Before unloading the first pair of rails (1), the assembly (20) of a unloading tool (12) for guiding the rails (1) comprising bearings for sliding them ( one).
    The invention provides a system for unloading rails (1) comprising at least one pair of unloading tools (12) that are supported on sleepers (20), one per lane (1), each of said unloading tools (12) comprising ):
    - at least two pairs of horizontal bearings and at least two pairs of vertical bearings, placed in pairs at the top of the discharge tool (12), the vertical bearings being higher than the horizontal bearings, and
    - a sheet metal frame, comprising a base surface for the horizontal bearing supports and for the vertical bearing supports and a support in its lower part to rest on the cross member (20), which additionally comprises at least two coupled transition platforms on the rails (1) placed, with horizontal and vertical bearings, each of said platforms comprising:

    - a support rail support (1), with a pair of lower longitudinal pieces to be placed on the rails (1) already placed and joining means to be fixed on them, and a pair of vertical poles that rise centered, one on each longitudinal piece,
    - a crossbar that joins the upper end of the anterior vertical posts and serves as a support for a pair of upper structures containing horizontal and vertical bearings,
    - a pair of upper structures, each with a base for the corresponding horizontal and vertical bearing supports, which respectively support at least two pairs of horizontal bearings and at least two pairs of vertical bearings, placed in pairs; each of said structures also comprising a pair of articulated lateral arms, in whose upper part there are two supports that support both vertical bearings and at whose upper ends there is a sheet capable of attaching to said articulated arms, the transition platforms being of different heights , and decreasing its height the farther away it is from the rail train (30) that unloads the rails (1), and which additionally comprises at least one anti-roll transverse bar with extreme clamps capable of attaching each of them to their respective rail
    (1) to download, maintaining the desired track width.
    An exemplary embodiment is shown in Figure 2 for the unloading of rails (1) of the rail train (30) where an auxiliary track (60) is used parallel to the track that is mounted while the rail train (30) moves along said auxiliary track (60) and the ends of the rails (1) to be unloaded attached to a fixed point on the sleepers (20) of the track that is mounted.
    In this exemplary embodiment, the unloading device is intended to unload the rails (1) from the rail train (30) that circulates on the auxiliary track (60) by successive rails (1) being embedded in the rail train (30) by means of the flange drag (200) discussed above. The rails (1), from the tail of the rail train (30) are lowered and moved laterally from the train to the track, continuously as the rail train (30) advances.
    This device is coupled in a series of auxiliary wagons (31) located in the tail of the rail train (30), and is constituted by a series of metal structures fixed in said auxiliary wagons (31), which determine several fixed guide points of the rails (1), which are distributed longitudinally properly along these wagons
    auxiliaries (31), so that the rails (1) are positioned transversely and vertically from their transport position on the rail train (30) to their final position on the seat plate of the sleepers (20) previously positioned also definitive on the esplanade of the road.
    5 10 15 2 O For this, it comprises a transverse beam (501) to the direction of advance, on which two windows (502) are fixed, provided internally with rollers through which the two rails (1) pass guided. The first transverse beam (501) of the first auxiliary car (31) located at the tail of the rail train (30) has its windows (502) centered on the axis of the rail train (30) and vertically above the auxiliary car (31 ), and from there, in the following transverse beams (501), these windows (502) are located transversely displaced towards the lateral platform where the track is intended to be mounted, the distance being gradually greater in each transverse beam (501). From the central transverse beams (501) of these auxiliary wagons (31) and even those located in the tail of the last auxiliary wagon (31), both windows (502) are located outside the auxiliary wagon (31), on a transverse beam (501) as a side bracket, located perpendicular to the auxiliary car (31) and therefore to the advance of the rail train (30), fixed at one end to the side of the auxiliary car (31) and by the opposite end supported by the ground by means of wheels (505), which support outside the track, said supports placed in increasingly lower planes as the transverse beam (501) is located towards the tail of the convoy.
    In order to compensate for the possible difference in heights between the auxiliary track (60) through which the rail train (30) circulates and the track that supports the supports of the transverse beams (501) on the side of the auxiliary carriage (31) and on wheels (505) they have means that allow their height adjustment.
    25 Likewise, it is provided that the two windows (502) of the last transverse beam (501) are located vertically on the same axis of the two rails (1) in their final position, that is, on the same axis of the plates of seat of the sleepers (20).
    30 The position of the windows (502) on the transverse beam (501) is longitudinally variable to said transverse beam (501). In this way it is possible to adjust the separation between the windows (502), thus being able to adapt to a suitable separation to deposit the rails (1) according to the international track width or according to the national track width, also taking into account for adjustment of this separation of the windows

    (502) if the unloading of lanes (1) occurs on the sleepers (20) or on the platform
    on both sides of the sleepers (20).
    For this, in an exemplary embodiment, the transverse beams (501) are telescopic so that by means of predetermined positions it is possible to adjust their extension position (50 1) by regulating the position transversely by means of a mechanism and therefore regulating the separation Between the windows (502).
    Likewise, the position of the windows (502) with respect to the transverse beams (501) can be variable as these (501) comprise predetermined positions, thus varying the distance between the windows (502).
    The windows (502) are also vertically displaced as the cross beams
    (501) have preset positions relative to a vertical bar (503). Also the windows
    (502) they are placed on moose (504) of different thickness which also allows their height to vary with respect to the transverse beam (501).
    An embodiment example of a drag flange (200) is shown in Figures 5 and 6
    which includes:
    a support element (210, 220) comprising a first part (210) and a second part (220) that are each located on one side of the rail (1) at one end thereof (1),
    each part of the support element (210, 220) comprises an internal recess
    (230) on its face intended to be located adjacent to the rail (1), with the internal recesses (230) facing each other in the core area (3) of the rail (1),
    a first element and a second grip element (240) of the rail (1) each located in an internal recess (230) of the support element (210, 220) so that the grip element (240) is slidable with respect to the element support (210, 220) in the longitudinal direction of the rail (1).
    Where the internal recesses (230) comprise an inclined superstructure (250) so that the internal recess (230) decreases longitudinally in depth towards the end of the drag flange (200) intended to accommodate the end of the rail (1), being configured the gripping elements (240) and the internal recesses (230) so that when the gripping element (240) moves along the inclined surface (250) of the internal recess
    (230) in the direction of the rail (1) the grip element (240) is locked in the core
    (3) of the lane (1). More specifically, the internal recess (230) has a longer length than the gripping element (240).
    5 In order to minimize the sliding between the core (3) of the rail (1) and the gripping element (240), it (240) comprises its surface (260) intended to be in contact with the core (3) of the rail (1) knurled.
    In the exemplary embodiment shown, the first part (210) and the second part (220) of the support element are independent and symmetrical parts that are each placed on one side of the rail (1) and which are joined together by a screw (221).
    10 In the exemplary embodiment, the gripping element (260) is metallic. Furthermore, the drag flange (200) comprises two magnetic elements (290) attached to the first (2 10) and the second (220) part of the support element for holding the gripping elements (260) so as to attract them (260) against the support element but at the same time allows the grip element (260) to slide in relation to the support element.
    15 2O In addition to the above and in order to provide greater support of the rail (1) as well as a larger contact surface also avoiding the pitching of the rail (1), the first (210) and the second (220) part of the support element they comprise a recess (270) for housing the head (2) of the rail (1) which, in the embodiment shown in the figure, comprises part of its surface adapted to be in contact with the knurled rail (1). More specifically, the surface (280) adapted to be in contact with the base of the head (2) of the rail (1) is the knurled surface.
    25 The exemplary embodiment shown in Figure 6 refers to the case where the drag flange (200) comprises two support elements (70, 80) that house both grip elements (240). In this way, the drag flange (200) is adapted to join two consecutive rail sections (1) and allow the concatenated descent thereof (1). More specifically, the support elements (70, 80) are located in symmetrical arrangement with respect to a transverse axis so that one of the support elements (70) would be adapted to embrace a first rail (1) and the other support element (80) it would be adapted to embrace a second lane (1) located in line with the first (1).
    30 Likewise, a drag flange (200) as disclosed in Figures 5 and 6 would also be suitable for joining the draft machine (10) to the first rail section (1) provided that the draft machine (10) comprised the joint with lane (1) a small section of lane (1) or coupon. Optionally, the connection to the pulling machine (10) could be carried out with a bolt so that the drag flange (200) would have a single support element (210, 220).

    An exemplary embodiment of a connecting flange (100) is shown in Figure 4 where
    both stabilizer parts (1 10) have their upper inner surface (120) and lower
    (130) which are in contact with the base (5) of the head (2) and the base (6) of the skate (3) of one of the rails (1) to be joined.
    5 Also shown in Figure 4 is one of the clamping elements (140) linked byboth one of the rails (1) to join. The clamping element (140) is arranged in contactwith the outer face of both stabilizer pieces (110) and press both piecesstabilizers (110) against the rail (1). More specifically the clamping element (1 10)it is placed on the outer face of both stabilizer pieces (110) at the height of the soul (3)
    10 of the rail (1) in two recesses (180) for the accommodation of two projections (190) of the clamping element (140).
    The clamping element (140) comprises an extension that hugs the rail (4) of the rail
    (1) and therefore surrounding it (4). Alternatively, the clamping element (140) could have an extension that would hug the head (2) of the rail (1).
    In the exemplary embodiment shown in Figure 4, the clamping element (140) comprises symmetrical parts (150, 160), each of which is placed in contact with one of the stabilizing parts (110) and therefore pressing the same (110) on the rail (1). For the connection of both symmetrical parts (150, 160) a clamping screw (170) is placed, which in the example of embodiment shown crosses both parts
    20 symmetrical (150, 160) along the bottom of the skate (4) of the rail (1).
    An exemplary embodiment of a sleeper squaring device comprising:
    at least a first and a second positioning element (3 10) adapted for its situation between consecutive crossbeams (20) and located at 25 opposite ends of the crossbeams (20) and parallel to the direction of the rail (1) where said positioning elements (310) extend in said direction,
    a frame (340) attached to the first and second positioning element (310),
    a first and a second stop (360, 370) attached to the frame (340), each stop (360, 370) comprising a first part (380) and a second part (390) that are arranged facing the first and second elements positioner (310) so that they are located on the outer face of the two end sleepers (20, 21)
    to be positioned and at least one of the first extensible in a direction parallel to the rail (1), and or second stop (360, 370)
    5 being the first, the second positioning element (310) and the extensible stop (370) configured so that in their simultaneous extension up to a predetermined value they push the sleepers (20) so that they produce the squaring of them (20).
    l O More specifically in FIG. 7, an exemplary embodiment is shown that has a first and a second set of positioning elements (310), the first set of positioning elements (310) has five positioning elements (310) that are located at the ends of six beams (20) that are aligned and equidistant and the second set has five other positioning elements (310) arranged at opposite ends of said beams (20). In this way it is possible to make the squad of six sleepers (20) in a single operation.
    fifteen the positioning elements (310) are located parallel to the direction of the rail (1), that is, perpendicular to the sleepers (20) and extend in said direction. More specifically, the positioning elements (310) included in the exemplary embodiment comprise hydraulic cylinders.
    twenty The frame (340) shown in the figures is elevable so that by positioning and lowering the positioning elements (310) between the sleepers (20) are introduced. Other configurations would be possible, for example, if the positioning elements (3 10) were introduced in a direction parallel to the longitudinal axis of the sleepers (310) by means of articulated arms.
    25 30 In the exemplary embodiment shown in Figure 7, the device comprises a first frame (340) to which the positioning elements (310) are attached and a second frame (350) comprising support means in the rails (1) Y which is arranged in connection with the first frame (340) so that the first frame (340) is elevable with respect to the second frame (350) since the second frame (350) comprises guides (313) for raising and lowering the first frame (340). In the exemplary embodiment shown, the support means of the second frame (350) in the rails (1) are wheels, which allows the device to move on the track.
    Figure 7 also shows the first (360) and the second stop (370) attached to the first frame (340). Each stop (360, 370) comprises a first part (380) and a second part (390) that are arranged facing the first and second set of
    positioning elements (310). The stops (360, 370) are located on the outer face of the extreme sleepers (20, 21).
    5 In the squaring operation, one of the stops (360) is placed in contact with the first cross member (320). For this, this first cross member (20) must be aligned manually as it is the reference for the situation of the device. The other stop (370) is extensible, in the exemplary embodiment it comprises a hydraulic cylinder. The manual alignment of the first crossbeam (20) is performed only with the first group of six sleepers (20), since in successive phases the last crossbar (21) will be the first crossbar (20) of the next phase.
    10 The positioning elements (310) are arranged joined to the first frame (340) by means of two extensions (312) joined by their upper end to said frame (340) and by their lower ends to the ends of the positioning elements (310) so that in the extended position of said positioning elements (3 10) said lower end is located between the positioning elements (310) and the sleepers (20).
    fifteen In order to damage the sleepers (20) as little as possible, the extensions (312) comprise on their opposite faces the sleepers (20) a damping element (311) that can also be arranged on the inner face of the stops (360, 370) .
    Also shown in figure 71a hiraulic installation (314) that allows the extension and refolding of hydraulic cylinders.
    2 o The device also has an additional support element (315) that provides stability to the assembly.
    25 The second frame (350) comprises means for coupling (330) to a self-propelled machine that also has a hydraulic or pneumatic system that feeds the referred hydraulic or pneumatic installation (314). The self-propelled machine can be any machine that is capable of moving in the immediate vicinity of the road and therefore a device that necessarily has to travel along the road is not necessary which hinders and dilates the framing operations. Therefore, one of the steps of the track assembly procedure object of the invention can be the introduction of a self-propelled machine comprising a squaring device such as the one referred to and the realization of said squaring.
    30 An exemplary embodiment of a profiling device (400) is shown in Figure 8. As can be seen in the figure, the device comprises the pushing element (410) of the ballast that is symmetrical and has a wedge shape comprising two incoming
    12

    (460) in its lower part to accommodate the head (2) of the rails (1) of the track. Plus
    specifically, the device comprises two U-profiles (470) coupled to the lower part of the pushing element (410) that define both recesses (460).
    The frame (420) comprises a transverse profile (412) that extends between the two5 ends of the pushing element (410), a central longitudinal profile (411) extendingbetween the transverse profile (412) and the center of the thrust element (410) and the U-profiles
    (470) which further define the recesses (460) that extend between the thrust element (410) and the transverse profile (412).
    The transverse profile (412) would be attached to the blade (421) of the 10 earth moving machine (40) represented in Figure 8. Said connection is made by welding the profiles that make up the frame (420) to the shovel superstructure (421).
    In order to be able to adjust the height and inclination of the pushing element (410), the profiling device also comprises the extensible fixing element (430) which is connected at one end to the frame (420), more specifically to the profile 15 central longitudinal (411) And at its other end another end joins the earthmoving machine (40). The extensible fixing element (430) can regulate its length so that it is possible to adjust the height and inclination of the thrust element
    (410) And therefore allows to adjust the height of the recesses (460) on the rail (1).
    The recesses (460) can comprise a rolling element, for example, a set of 20 rollers to avoid rubbing with the rails (1).
    In addition, the frame (420) comprises two wheels (440) adapted for circulation on the rails (1) of the track.
    权利要求:
    Claims (6)
    [1]
    1.-Procedure for mounting railroad tracks on a mounting platform on which some sleepers (20) are located, characterized in that it comprises at least the following stages:
    a) approach of a rail train (30) with the sections of the rails (1) to be mounted to the assembly area,
    b) joining the pairs of rails (1) to the consecutive rails (1) by means of drag flanges (200) comprising a support element (210, 220) comprising a first part (210) and a second part (220) comprising two gripping elements (240) of the rail (1) so that the gripping element (240) is positioned on each of the faces of the core (3) of the rail (1), sliding of the gripping element (240) ) respect the support element (210, 220) in the longitudinal direction of the rail (1) so that when the grip element (240) moves in the direction of the rail (1) it (240) is locked in the core
    (3) of the lane (1),
    c) unloading from the rail train (30) onto the platform of the rail pairs (1) connected by the drag flanges (200),
    d) squaring of the sleepers (20) by means of a squaring device comprising extendable positioning elements (310) that are placed between consecutive sleepers (20) parallel to the direction of the rail (1) and extension of said positioning elements (310) in the direction parallel to the rail (1),
    e) joining the pairs of consecutive lanes (1) unloaded by means of a connecting flange (100) comprising two stabilizing parts (110) that are positioned longitudinally to the rails (1) to be joined, with an upper internal surface (120) and a lower internal surface (130), situation in contact with the base (5) of the head (2) and the base (6) of the palin (3) of the rails (1) to be joined and subsequently proceed to the tightening of said stabilizer parts towards the rails (1) to be joined,
    f) unloading ballast in hoppers on the platform,
    g) track rails (1),
    h) ballast profiling by means of a profiling device (400) attached to a earthmoving machine (40),

    i) rail welding (1).
    [2]
    2. Method of assembling railway tracks, according to claim 1, characterized in that for the unloading of rails (1) from the rail train, the end of the first pair of rails (1) is attached to a shooting machine ( 10) that moves over the
    5 platform
    [3]
    3.-Procedure for assembling railway tracks, according to any one of the preceding claims, characterized in that prior to the unloading of the first pair of rails (1) the assembly is carried out on the sleepers (20) of a unloading tool (12) for guiding the rails (1) comprising bearings for the sliding of the
    10 themselves (1).
    [4]
    4. Method of assembling railway tracks, according to claim 1, characterized in that for the unloading of rails (1) of the railroad train (30) an auxiliary track (60) is used parallel to the route that is mounted and the Rail train (30) moves along said auxiliary track (60) while the ends of the rails (1) to be unloaded join a fixed point on the
    15 sleepers (20) of the track that is mounted.
    [5]
    5. Method of assembling railway tracks, according to claim 4, characterized in that it comprises a unloading device (500) that is coupled in a series of auxiliary wagons (31) located in the tail of the railroad rail (30) which determine several fixed guide points of the rails (1), which are distributed longitudinally thereto.
    2 OR 6.-Procedure for assembling railway tracks, according to any one of the preceding claims, characterized in that the first pair of rails (1) joins a rail coupon (1) through two drag flanges ( 200) which at one end join the lane coupon (1) And at the other end join the first lane (1).
    [7]
    7.-Procedure of assembly of railway tracks, according to any one of the
    The preceding claims, characterized in that the unloading of rails (1) can be carried out on the sleepers (20) or on both sides of the sleepers (20).
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    同族专利:
    公开号 | 公开日
    ES2561928B1|2017-01-04|
    EP3130703A1|2017-02-15|
    WO2015155399A1|2015-10-15|
    ES2561928R1|2016-03-31|
    US10612195B2|2020-04-07|
    AU2015245440B2|2019-09-12|
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    PL3130703T3|2019-03-29|
    US20170030023A1|2017-02-02|
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    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201430549A|ES2561928B1|2014-04-11|2014-04-11|Railroad track assembly procedure|ES201430549A| ES2561928B1|2014-04-11|2014-04-11|Railroad track assembly procedure|
    EP15723986.4A| EP3130703B1|2014-04-11|2015-04-09|Method for laying railway tracks|
    AU2015245440A| AU2015245440B2|2014-04-11|2015-04-09|Method for laying railway tracks|
    US15/303,495| US10612195B2|2014-04-11|2015-04-09|Procedure for laying railway tracks|
    PL15723986T| PL3130703T3|2014-04-11|2015-04-09|Method for laying railway tracks|
    PCT/ES2015/070279| WO2015155399A1|2014-04-11|2015-04-09|Method for laying railway tracks|
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