EP2503058B1 - Ausrüstung zum Verbinden von Schienen und Bewegen der Schienen, insbesondere während des Entladens eines Lastwagens - Google Patents

Ausrüstung zum Verbinden von Schienen und Bewegen der Schienen, insbesondere während des Entladens eines Lastwagens Download PDF

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Publication number
EP2503058B1
EP2503058B1 EP12160597.6A EP12160597A EP2503058B1 EP 2503058 B1 EP2503058 B1 EP 2503058B1 EP 12160597 A EP12160597 A EP 12160597A EP 2503058 B1 EP2503058 B1 EP 2503058B1
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EP
European Patent Office
Prior art keywords
rail
coupling device
blocking
equipment
coupling
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EP12160597.6A
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English (en)
French (fr)
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EP2503058A1 (de
Inventor
Giuseppina Moratti
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Srt A Responsabilita' Limitata Con Unico Soc
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SRT A RESPONSABILITA' LIMITATA CON UNICO SOCIO Soc
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B11/00—Rail joints
    • E01B11/02—Dismountable rail joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in 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
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
    • E01B29/20—Moving rails placed on installed sleepers in the plane track

Definitions

  • the present description relates to equipment for connecting rails and movement of the rails during unloading thereof from a transport truck, in particular during operations of replacement of rails during normal maintenance of the rail or even during the step of laying new rails for realising a line.
  • a plurality of rails is transported, which typically each exhibit a length of greater than 100 metres, using one or more transport trucks in which a plurality of rails are arranged parallel and flanked on a plurality of respective lie planes in a configuration such as to enable an unloading step which is as easy as possible for the subsequent laying operation in proximity of the work seating.
  • the two opposite end rails of the truck are singly gripped using appropriate gripping pliers and are then drawn (for example with a winch) in advancement and projectingly externally of the truck.
  • Each rail apart from being drawn using the respective pliers, is made to pass through a containing and guide organ, for example frame-shaped and exhibiting a predetermined number of rest and sliding rollers in order to enable a simpler and more precise unloading of the rail during the further movement thereof and the laying thereof on the ground.
  • a containing and guide organ for example frame-shaped and exhibiting a predetermined number of rest and sliding rollers in order to enable a simpler and more precise unloading of the rail during the further movement thereof and the laying thereof on the ground.
  • Two projecting arms of the transport truck which are also mobile with respect to the truck (at least according to a rotation axis arranged vertically in order to enable laying the gripped rail at lateral distances from the truck) support and enable laying of the front ends and therefore, progressively, the whole rail over the whole length thereof.
  • the convergence of the wings is such that the gripping can guarantee sufficient grip and holding of the rails.
  • the unloading steps therefore comprise, for each flank of the truck, the first rail being moved up to when the rear end thereof is at the front end of the successive rail.
  • the unloading operation is stopped, a pliers is constrained to the rear end of the rail being unloaded and the other side of the pliers is constrained to the front portion of the rail to be unloaded immediately successively.
  • the pliers solution briefly described above is however very complex, especially during the step of setting-up, as it requires first of all the aligning of the rails and the blocking thereof with a controlled blocking step of the pliers.
  • a first type according to US patent US 5295440 includes use of U-shaped elements provided with gripping rollers which are blocked to the rail by means of insertion of wedges coupled to U-shaped elements in an opposite direction to the advancement direction of the rail.
  • Patent no. FR 2720084 discloses a further solution using offset wheels which enables an easier insertion of the terminal portion of the rail which is blocked on extraction thanks to the offset positions of the opposite wheels in the insertion seating of each of the two ends.
  • a more advanced solution disclosed in patent EP 1057933 comprises use of a pliers in which the blocking of each end of successive rails is obtained thanks to the cooperation of two opposite wheels slidable on inclined guides directed towards the axis of the wheel and maintained in the extracted position by suitable elastic elements.
  • the elastic elements are compressed, enabling introduction of the web of the rail.
  • a first aim is to enable a more rapid and easier unloading of the rails.
  • a further aim according to an aspect of the following description is to minimise human intervention, in particular when laying the rails.
  • a further aim according to some embodiments described is to provide an instrument that is simple and effective and which can associate a novel operating principle with excellent gripping during unloading.
  • equipment for connecting rails and movement of the rails, in particular during unloading from a transport truck, comprising: a first coupling device configured such as to engage a portion of a rail; a second coupling device configured such as to engage a portion of a further rail; and at least a connecting element suitable for constraining the first coupling device to the second coupling device; at least the first coupling device exhibits a guide system comprising for example a seating at least partially complementarily shaped to a transversal section of the rail, the guide system being configured such as to enable a sliding of the first coupling device with respect to the rail from an end to another end thereof, and further comprising a blocking system of the first coupling device to the rail, the system being active such as to block the first coupling device to the rail at least when the first coupling device is in proximity of a free end of the rail, the system enabling sliding of the first coupling device on the rail into the other relative coupling positions.
  • a guide system comprising for example a seating at least partially complementarily
  • equipment in which the seating is delimited, in transversal section, by at least and a second tract, opposite and facing one another, the first and the second tract being substantially parallel and the distance thereof being such as to enable receiving a rail, a base of the rail being able to face the first tract, a head of the rail being able to face the second tract.
  • equipment in which the seating of the first coupling device is a through-seating and is of such dimensions as to enable passage there-through of a rail.
  • equipment in which the first coupling device is configured for a prismatic coupling with the rail, with a sliding motion according to an axis of development of the rail.
  • equipment is comprised in which the guide system comprises a predetermined number of coupling elements for rotating coupling, such as wheels, small wheels, rollers, castors, destined to abut respective portions of the rail such as to determine a sliding coupling between the first coupling device and the rail, in particular the guide system comprising, on at least one and optionally both flanks of the rail, two rotating coupling elements suitable for abutting against a foot of the rail and two rotating coupling elements suitable for abutting against a head of the rail.
  • the guide system comprises a predetermined number of coupling elements for rotating coupling, such as wheels, small wheels, rollers, castors, destined to abut respective portions of the rail such as to determine a sliding coupling between the first coupling device and the rail, in particular the guide system comprising, on at least one and optionally both flanks of the rail, two rotating coupling elements suitable for abutting against a foot of the rail and two rotating coupling elements suitable for abutting against a head of the rail.
  • equipment in which the rotating coupling elements exhibits parallel rotation axes, two rotating coupling elements abutting an upper portion of the foot and two rotating coupling elements abutting a lower portion of the head.
  • equipment is comprised in which the blocking system comprises activating means for enabling activation of the blocking system at the free end of the rail and for maintaining the blocking system inactive during the sliding of the first coupling device along the rail, the activating means enabling activation of the blocking system automatically on reaching the free end of the rail.
  • equipment in which the activating means comprise at least a body, for example a roller, mobile at and along the rail (2) during relative motion between the first coupling device and the rail, the mobile body being maintained in a first inactive position of the blocking means by the rail, the activating means being configured, for example by force of gravity and/or by means of an elastic element, such as to displace into a working position of the blocking means at least when the first coupling element reaches the free end of the rail, the inactive position of the mobile body corresponding to the inactive condition of the blocking system, the working position of the mobile body corresponding to the active condition of the blocking system.
  • the activating means comprise at least a body, for example a roller, mobile at and along the rail (2) during relative motion between the first coupling device and the rail, the mobile body being maintained in a first inactive position of the blocking means by the rail, the activating means being configured, for example by force of gravity and/or by means of an elastic element, such as to displace into a working position of the blocking means at least when the first coup
  • equipment in which the activating means comprise at least an arm bearing the mobile body and hinged to the first coupling device about an axis, the displacement from the inactive position to the working position of the mobile body corresponding to a rotation of the arm about the axis.
  • each arm exhibits a seating suitable for receiving the respective command element, a rotation of the arm about the axis following the displacement from the inactive position to the working position of the mobile body moving the command element such as to configure the stop means from the rest condition to the working condition.
  • equipment in which the command element is hinged to the first coupling device and rigidly constrained to the blocking body, a rotation of the arm about the axis following the displacement from the inactive position to the working position of the mobile body leading to a rotation of the command body of the blocking body with respect to the first coupling device, the blocking body abutting the web of the rail.
  • the blocking system comprises stop means for selectively blocking relative longitudinal sliding of the first coupling device with respect to the rail, the stop means being configurable between a rest condition in which the stop means enable sliding and a working condition in which the stop means prevent sliding, in particular the stop means being commanded by the activating means.
  • equipment in which the connecting element comprises an abutting structure, the first coupling device exhibiting a stop wing destined to abut the abutting structure in the aligned configuration of the connecting element in order to prevent further rotating elements, the second coupling device exhibiting an abutting portion destined to abut the abutting structure in the aligned configuration of the connecting element in order to prevent further rotary movements.
  • equipment is comprised in which the first coupling device comprises a support structure suitable for defining the seating, the support structure being defined by at least two parts, optionally distanceable from one another, for example hinged, such as to enable opening the seating and disengaging a rail contained in the seating.
  • equipment is comprised in which the second coupling device comprises blocking means for generating a blocking force on the web of the rail, in particular the second coupling device being configured such as to selectively block the equipment to an end of the further rail.
  • equipment is comprised in which the second coupling device comprises a first and a second wing that are interfaced, coupled to one another and longitudinally spaced such as to define a cavity between them which is suitable for receiving a web of the rail, the blocking means being associated to at least one of the wings such as to generate the blocking force on the web, the blocking means enabling an insertion of the web into the cavity according to a coupling direction and an insertion direction and generating the blocking force in a situation of extraction movement of the web in an extraction direction that is opposite the insertion direction along the coupling direction.
  • equipment is comprised wherein the blocking means comprise at least one and in particular at least two blocking bodies having a curved profile and suitable for enabling an insertion of the web into the cavity in the coupling direction and insertion direction and generating the blocking force in an extracting movement direction of the web according to the extracting direction opposite the inserting direction.
  • the blocking means comprise at least one and in particular at least two blocking bodies having a curved profile and suitable for enabling an insertion of the web into the cavity in the coupling direction and insertion direction and generating the blocking force in an extracting movement direction of the web according to the extracting direction opposite the inserting direction.
  • equipment is comprised in which the curved-profile bodies are mounted in such a way as to projectingly emerge towards an inside of the cavity, each body exhibiting a hinging to the wings.
  • equipment in which the second coupling device comprises guide seatings having an inclined wall with respect to the inserting axis of the cavity, the bodies being defined by wheels that are mobile in and guided by the seatings, the second coupling device comprising respective elastic elements suitable for positioning the bodies in a condition of maximum extraction, inserting the rail in the cavity opposing the elastic resistance of the elements and positioning the wheels in a condition of less extraction.
  • equipment is comprised in which the connecting element is configurable between an inclined rest position with respect to the first and the second coupling device and a working position in which it is aligned to the first and the second coupling device along a development direction of the equipment, the connecting element being for example hinged to the first and/or the second coupling device.
  • equipment is comprised which includes a stop structure active in an aligned configuration of the connecting element such as to prevent a further rotary movement of the equipment once the aligned configuration has been reached, the stop structure intervening in particular automatically on reaching the aligned configuration.
  • an apparatus for connecting rails and movement thereof during unloading from a transport truck, comprising: a plurality of rails arranged substantially parallel to one another and flanked, borne by a truck; a predetermined number of sets of equipment for connecting rails and moving the rails of any of the preceding aspects, each set of equipment connecting a rail to an adjacent rail.
  • an equipment in which at least an equipment connects a front portion of a rail to a front portion of an adjacent rail, the first blocking device in particular being constrained to the front portion of the rail to be unloaded, the second blocking device being constrained to the front portion of the adjacent rail, still more in particular the connecting element being in the rest position and the equipment being arranged in an inclined configuration.
  • a method for connecting rails and moving the rails comprising steps of: constraining a first coupling device to a portion of a rail; constraining a second coupling device to a portion of a further rail, the first and second coupling devices being constrained to one another by means of a connecting element; and extracting the rail from the transport truck, the first coupling device sliding along the rail up to an end thereof and blocking the relative sliding at the end, a further extraction of the rail causing transmission of an extraction force, by means of the connecting element, to the second coupling device and to the further rail, the further rail also being drawn in extraction.
  • 1 denotes in its entirety equipment for connecting rails and the moving them, particularly during unloading from a transport truck.
  • an arrangement of rails is represented in schematic form (of which only the first two have been numbered for simplicity of description) side by side and parallel to each other in a respective same lie plane in the transport configuration by a railway truck 4 before the unloading operation, for example at the sides of the bedding.
  • the rails 2, 3 can be flanked on the transport truck 4 and aligned to one another (see the first four tracks from the left of figure 1a ) or even slightly staggered in the longitudinal direction when so required in particular because of the requirements of the equipment described in the following.
  • the apparatus 1 for connecting adjacent rails firstly comprises a first coupling device 5, which is configured to engage a portion of a rail.
  • the first coupling device 5 of each equipment is arranged substantially at a front end 2a of the rail 2.
  • the equipment further comprises a second coupling device 6 configured such as to engage a portion of a further adjacent rail 3.
  • the second coupling device 6 is also coupled to a front portion 3a of the adjacent rail 3.
  • the two coupling devices 5, 6 will be positioned substantially at the portions (front or rear) of the adjacent rails.
  • the two coupling devices 5, 6 are constrained together by at least one connecting element 7 which prevents distancing between them.
  • each pair of adjacent rails is constrained by means of one of the described sets of equipment.
  • each of the internal rails of the present configuration will exhibit the front end thereof with the second coupling device of an equipment constrained thereto and an immediately-adjacent portion with a first coupling device of the equipment of the next connecting equipment constrained thereto.
  • the first coupling device 5 is configured such as to enable unloading of the first rail 2 by allowing a relative sliding between the first coupling device 5 and the rail 2 during the unloading step (comparison of the configurations of 1A, 1B and 1C).
  • the first rail 2 is engaged using common winches or like structures (not shown) present on the transport carriage 4 and is transported in an unloading direction S illustrated in figure 1B .
  • the first coupling device 5 substantially allows free movement of the rail 2 by relative sliding without generating substantial forces on the connecting element 7 and/or the second coupling device 6.
  • FIG. 1C it can be seen how, once the first coupling device 5 has reached the rear end 2b of the rail 2 in the unloading phase, a blocking system 9 constrains the end 2b of the first rail 2 to the first coupling device 5. In this condition the first coupling device 5 can no longer slide relative to the rail 2, but is rigidly constrained thereto.
  • the first coupling device 5 in turn, moves the connecting element 7, as better clarified in the following, which is in turn constrained to the second coupling device 6.
  • the second coupling device 6, which is rigidly connected to the end 3a of the adjacent rail 3, starts to drag the rail to unload it.
  • figure 18 illustrates a further sequence that enables automated unloading and automatic and sequential arrangement of all the rails loaded on the three planes of the transport truck (the numbers in this figure indicate the sequence of unloading of the rails from one to eighteen for each side of the truck).
  • the first rail is unloaded from the upper floor of the truck to the left and the first rail to the right, independently such as to arrange them at the sides of the bedding; the dragging of the first rail in effect means the second rail is also drawn along after (as described above) and so on until the sixth rail (each side) is drawn.
  • the sixth and seventh rail will be connected via a like device (see figure 17 , for example, described below) which following the unloading of the sixth rail enables the seventh to be drawn, which is positioned in the second floor of the transport truck.
  • the unloading sequence continues until the twelfth rail, which once extracted will drag the thirteenth track positioned on the last floor of the truck.
  • Unloading continues in this way until the eighteenth rail on each side has been unloaded, so that no further rail-connecting operations are necessary using the pliers during the unloading step.
  • Figures 1 to 9 illustrate the equipment for the connection of rails according to a preferred embodiment; vice versa the further figures 10-16 totally schematically illustrate a number of possible alternative embodiments of the first and second coupling device which may be used in combination with or alternatively to those shown in figure 2 .
  • first coupling device 5 is first provided with a suitable guide system 50 which enables the first coupling device 5 to make a rectilinear translational movement in relation to the rail 2 along a direction coinciding with the development axis 14 of the rail itself.
  • the guidance system 50 has a predetermined number of rotating coupling elements 51, in the specific embodiment, defined by suitable rollers shaped such as to marry with the relevant surfaces of the rail to which they have to couple.
  • rollers can be used, or rollers or wheels having other shapes or natures, also coupled to the rail differently from what is illustrated in the accompanying figures.
  • the rotating coupling members 51 are configured and suitable for abutting to respective portions of the rail such as to determine the sliding coupling between the first sliding device 5 and the rail 2.
  • the upper wheels 51 will have a larger diameter than the lower wheels 51 (see figure 3 ).
  • This particular configuration enables the upper wheels 51 to be contained within the vertical dimensions of the head 13, and the wheels 51 which roll on the foot 12, being of smaller diameter, mean that the overall dimensions of the equipment can be very modest.
  • these coupling elements 51 are mounted by idle rotation on the structure of the first coupling device 5, but in more complex embodiments there might be braked and/or motorised. Still observing the embodiment of figure 3 , note that the guidance system 50 also includes a seating 8 at least partially complementarily profiled to the cross-section of the rail 2. The seating allows the sliding of the first coupling device 5 relative to the rail 2 from one end to the other end 2b of the same.
  • the seating 8 is delimited in cross-section by at least a first and a second portion 10, 11 opposite to and facing each other, which are substantially parallel and their reciprocal distance being such as to receive the rail.
  • the base 12 of the rail faces the first section 10 while the head 13 of the rail faces the second section 11.
  • the first coupling device 5 is also constituted by a support structure 26 which defines the said seating 8 and which is constituted by at least two parts 26a and 26b in which, the first, superiorly located, has an inverted U-shape section and is destined intended to be keyed at the head 13 and the web 18 of the rail 2, while the second 26b, the lower, is also constituted by a portion of upwards-facing U-shaped sheet metal intended to receive the aforementioned foot 12 and therefore to exhibit a larger seating.
  • the constraining means joining the portions 26a and 26b are located at the superposing part of the free sides of the U-shaped portion of the part 26a and the part 26b.
  • constraints can be located at the support axis of the lower wheels 51 sliding on the foot 12 of the rail.
  • the equipment illustrated in figure 2 also includes a blocking system 9 of the first coupling 5 to the rail, which blocks the device 5 itself to the rail when it is in proximity of a free end 2a, 2b of the rail.
  • the blocking system 9 enables a free relative movement.
  • the blocking system 9 as a whole is constituted by stop means 21 and the activation means 15 described below.
  • stop means 21 clearly visible in figure 4 and in figure 9 are suitable for selectively blocking the relative longitudinal sliding of the first coupling device 5 with respect to the rail 2.
  • stop means 21 are configurable between a rest condition ( figure 4 ) in which they enable the sliding and a working condition ( figure 9 ) in which the stop means prevent the sliding and are controlled by the activating means 15.
  • the stop means 21 comprise at least a pair of clamping bodies 22, 23 which bodies exhibit a curved active profile, destined in use to abut the web of the rail 18, such as to prevent the sliding motion between the rail and the first the coupling device 5 at least in the extraction direction E of the rail from the coupling device ( figure 4 ).
  • stop means also comprise respective control elements 24, 25 that are capable, by moving, of abutting the blocking bodies 22, 23 on the web of the rail.
  • FIG 4 shows the blocking bodies 22, 23 rigidly connected to said control elements 24, 25 and the entire structure of the stop means hinged to the first coupling device 5 and in particular, by the interposing of an appropriate block, to the upper portion 26a of the support structure 26.
  • a rotary movement of the stop means about the respective axis of rotation nears the blocking bodies 22, 23 (or distances them depending on the rotation direction) from the web of the rail 18.
  • the activating means 15 are active on the control elements 24, 25 of the stop means 21 in the inactive condition of the locking system such as to allow relative sliding between the rail 2 and the first coupling device 5, and are active in the active condition of the system locking means to prevent relative sliding.
  • the activation means 15 exhibit at least one and in general a pair of bodies 16, 17 mobile at and along the rail 2 during the relative motion between the first coupling device 5 and the rail 2.
  • the mobile bodies 16, 17 are maintained in a first position of inactivity of the blocking means, from the rail and are configured, for example by gravity (or alternatively by means of an elastic element) to move into a working position of the blocking means at least when the first coupling device 5 reaches the free end of the rail 2b.
  • the mobile body 16 is defined by a wheel predisposed to roll on the upper surface of the foot 12 of the rail 2.
  • the wheel 16 is pivoted and free to move in rotation at an arm 52 in turn hinged to the first coupling device about an axis 54 offset with respect to the coupling axis to the mobile body 16.
  • the first coupling device 5 reaches the terminal end 2b of the rail 2 ( figure 7 ) the mobile body 16 descends from the base 12 of the rail and there is a contemporary relative rotation of the whole arm 52 about the rotation axis 54.
  • a specular and symmetrical structure is present on the other side of the rail mounted on the first coupling device 5.
  • the above-mentioned arm 52 has a respective seating 55, in general slotted, which receives the control element 24.
  • the displacement from the position of inactivity in the working position of the movable body 16 corresponds to a rotation of the arm 52 about the axis 54 and this rotation consequently moves the seating 55 inside which the control element 24 is engaged.
  • the command element 24 is thus moved, generating a rotation of the stop means 21 about the respective hinge axis vertical to the structure 26.
  • a downwards rotation of the arm 52 entails a displacement of the stop means 21, and in particular of the blocking bodies 22, 23 from the rest condition to the working condition, or from a condition in which there is relative sliding movement to a blocking position (compare figures 4 and 9 ).
  • the first coupling 5 exhibits a seating 8, at least partially complementarily-shaped, of a cross section of the rail 2, but having a different conformation to what is illustrated in figure 3 .
  • the seating 8 of the embodiment enables the said relative sliding between the first coupling device 5 and the rail 2 at least from one end 2a to the other end 2b.
  • the seating 8 is delimited in cross-section by at least a first and a second portion 10, 11, opposite and facing one another in such a way as to be able to receive respectively a base 12 of the rail and a head 13 of the rail, which will therefore abut on the first portion 10 and on the second portion 11 parallel to one another.
  • the seating 8 of the first coupling device 5 is a through-seating (with a closed perimeter so as to define a resistant section) defined by a rigid box-like structure (in the embodiment illustrated in figure 12 with trapezoidal inclined sides 42, 43) which has a depth (in the sense of the development of the rail to which it is coupled) sufficient to maintain optimum sliding guidance during the movement steps.
  • the seating 8 of the first coupling device 5 is also in this case a through-seating defining a space that will allow the complete through-passage of a rail.
  • first and the second portion 10, 11 may be each provided with one or more sliding rollers 41 in order to facilitate the guiding and sliding operations while guaranteeing a lower degree of friction.
  • the constraint achieved between the coupling device 5 and the rail 2 is, in all the embodiments, a prismatic constraint with sliding along an axis of development 14 of the rail, as the first coupling device 5 cannot distance from the development axis 14 of the rail 2 itself, nor can it rotate with respect to the axis of development (if not due to the play and tolerance necessary to prevent jamming during handling).
  • first coupling device 5 will also be equipped with a blocking system 9 which must be active in order to block the first device 5 to the rail 2 only when the first coupling device 5 is in proximity of a free end 2a, 2b of the rail ( figure 11 ).
  • the further configurations of the blocking system may be of various types.
  • a manual intervention is required to block the coupling device 5 constituted for example by two or more joinable opposite jaws, for example by means of screws, clamps or another manually-activated block.
  • the blocking system 9 shown in figures 10-12 also includes activation means 15 capable of enabling the above-mentioned activation of the blocking system at the free end 2b of the rail, while maintaining the blocking system 9 itself inactive during the sliding along the central portions of the rail 2.
  • the activation means 15 enable activation of the blocking system 9 automatically on reaching the free end 2b of the rail 2 ( figure 11 ).
  • the activation means 15 comprise a pair of bodies 16, 17 (e.g. defined by a predetermined number of rollers) mobile at and along the web 18 of the rail itself during the relative movement steps between the first device coupling 5 and the rail 2.
  • the mobile bodies 16, 17 are maintained spaced apart by the thickness of the web 18 ( figure 10 ) and in this configuration allow free relative sliding movement, i.e. they maintain the blocking system 9 inactive at a predetermined distance "d" from the portion of the rail (in the figures the web 18) where they will then be active in blocking.
  • the activating means 15, if constrained to the walls 10, 11, 42, 43 of the box-shaped body defining the abovementioned seat 8, will also include a corresponding pair of control elements 19, 20 which in the specific case will be elastic elements each active on a mobile body 16, 17 with the aim of generating nearing thrust forces between the mobile bodies 16, 17.
  • the mobile bodies 16, 17 were directly engaged to the blocking system 9, the elastic elements thereof might be used to cause the nearing of the bodies 16, 17.
  • the mobile bodies 16, 17 reach the end zone of the web, and then disengage there-from.
  • the elastic elements 19, 20 may intervene by nearing the mobile bodies 16, 17 between them, in the direction of the arrows 44 of figure 11 .
  • the neared position of the mobile bodies 16, 17 corresponds to the active condition of the blocking system 9, which at this point intervenes by slidingly blocking the first coupling device 5 to the rear end 2b of the rail.
  • the blocking system 9 comprises the above-mentioned stop means 21 for selectively blocking the relative longitudinal sliding of the first coupling device 5 with respect to the rail 2.
  • the stop means 21, as mentioned above, are configurable between a rest condition where sliding is enabled ( figure 10 ) and a working condition ( figure 11 ) where sliding is prevented.
  • the stop means 21 are controlled by the activation means 15 described above.
  • the stop means 21 comprise at least a pair of blocking bodies 22, 23 such as for example a pair of rollers destined, in use conditions, to abut the web 18 of the rail, preventing a sliding mode between the rail 2 and the first coupling device 5 at least in an extraction direction E of the end 2b of the rail 2 from the coupling device 5.
  • the stop means 21 also comprise at least one or two respective elastic elements 24, 25 that can abut the blocking bodies 22, 23 for example to the web 18 of the rail 2 to be blocked ( figure 11 ).
  • the activation means 15 in fact oppose the action of the elastic element or elements 24, 25 of the stop means 21 in the inactive condition of the blocking system (i.e. when the mobile bodies 16, 17 are spaced from each other) and therefore allow the relative sliding of the rail 2 with respect to the first coupling device 5.
  • the mobile bodies 16, 17 reach the end of their sliding along the web 18 and are then approached by the respective elastic elements 19, 20; the activating means 15 enable the respective elastic elements 24, 25 of the stop means to intervene on the blocking bodies 22, 23 which, in turn, abut on the web 18 of the rail ( figure 11 ) relatively blocking the first coupling device 5 and the rail 2.
  • first coupling device 5 in accordance with the further embodiment includes a support structure 26 destined to define the abovementioned seating 8.
  • the support structure 26 of figure 12 will be defined by at least two parts 26a, 26b distanceable from each other (for example, they might be hinged or constrained by screws) to enable the opening of the seating 8 and the disengagement of a rail contained in the seating.
  • This operation should generally be performed every time the equipment is to be removed from an unloaded rail.
  • the second coupling device 6 comprises blocking means 30 for generating a stop force on the web 18 of the adjacent rail 3.
  • the second coupling device 6 cannot enable relative sliding between the adjacent rail 3 and the equipment itself (if not during the step of initial insertion of the web 18 in the seating), generating only a solid constraint between equipment and rail once assembled.
  • the second coupling device can comprise a first and a second wing 27, 28 interfaced and coupled together in such a way as to be spaced longitudinally defining a cavity 29 between them having an opening of such dimensions as to be able to receive a web 18 of the adjacent rail 3 ( figures 4 , 5 , 13 , 14a, 14b, 14c ).
  • the blocking means 30 are associated with at least one of the wings 27, 28 and in general to both in order to generate the blocking force on the web 18 itself.
  • the blocking means 30 enable an insertion of the web 18 in the cavity 29 in a coupling direction 33 and an insertion direction I, and generate the blocking force in situations of extraction movement of the web 18 in an extraction direction E opposite the insertion direction in the same coupling direction 33.
  • the blocking means 30 can comprise at least one and in particular at least two curved-profile blocking bodies 31, 32 which will enable insertion of the web 18 in the cavity in the above-mentioned coupling direction in the insertion direction I and generate a blocking force in an extraction movement situation of the web 18 in the extraction direction and opposite the insertion direction of I.
  • figure 5 illustrates the preferred embodiment of the second blocking device 6.
  • the curved-profile blocking bodies 31, 32 each have two curved surfaces, one upper and one lower, and contact with the web 18 of the rail 3.
  • the wheels 31, 32 are mounted such as to projectingly emerge internally of the cavity 29 and each exhibits a hinging 34 to the respective wing 27, 28 that is offset (by a distance "e" with respect to the centre of symmetry 35 of the wheel).
  • the offset positioning of the axis of rotation in a position close to the area of insertion of the rail with respect to the centre of symmetry means that during extraction the off-centre position blocks the relative sliding movement between the equipment and the rail.
  • the coupling device can comprise the same respective guide seatings 36, 37 having inclined walls to the inserting axis of the cavity 29.
  • the wheels 31, 32 are mobile by sliding in said seatings 36, 37 in the inclined direction.
  • two further guides may be present (for example, grooves 45) suitable for defining the minimum and maximum run of the wheels along the guide seatings 36, 37 inside the cavity 29.
  • Elastic elements 38, 39 are present, active between the wings 27, 28 of the second coupling device and the respective wheel 31, 32, such as to position them in a condition of maximum extraction.
  • a movement of the rail in the opposite direction is opposed by the aforementioned rollers 31, 32 which cannot move along the inclined guides.
  • reciprocal clamping systems can be used during the coupling step to the front portion 3a of the rail 3.
  • the connecting element 7 is configurable in a rest position shown in figure 1a in which is inclined with respect to the first and second coupling device 5 and to the direction of longitudinal development 14 of the rails; and in a working position during the extraction step in which the connecting element 7 is aligned with the first and second coupling devices 5, 6 along the overall development direction of the of the apparatus 1.
  • the angle of inclination is such as to maintain the ends of the rails aligned; obviously the connecting devices 5 and 6 could be aligned and the connecting element have an axis of development perpendicular to that of the rails with the latter slightly longitudinally staggered.
  • the connecting element 7 will generally be hinged to the first and second coupling device 5, 6 in such a way that it can rotate relatively during the extraction step, realigning the rails subsequently extracted as can be seen by comparing figures 1A , 1B , 1C .
  • a stop structure 40 can be provided, active exclusively in the aligned configuration which operates in particular automatically when the aligned configuration is reached.
  • the first coupling device 5 constrains to the rear end 2b thereof and starts to drag the connecting element and therefore the second coupling device 6 which in turn is rigidly constrained to the next rail 3.
  • the connecting element 7 begins to rotate such as to bring the rails 2 and 3 into alignment along the axis of development, i.e. from the configuration of figure 2 to that of figure 7 .
  • an abutment structure 56 of the connecting element 7 defined by a central vertical plate abuttingly receives a stop wing 57 borne by the support structure 26 of the first coupling device which can prevent additional rotations in the same rotation direction which can cause misalignment or oscillations around the alignment position.
  • the second coupling device 6 is provided with an abutment portion 58 (see figure 9 ) which is aligned in the same configuration as the connecting element 7 and abuts the above-mentioned abutment structure 56 at a lateral surface thereof, preventing further rotations of the second coupling device 6 which can lead to misalignments or oscillations around the aligned configuration.
  • the stop structure 40 can alternatively be constituted by a blocking pin and an elastic pusher which, in the aligned configuration, will engage a respective seating to eliminate the freedom to rotate (structure not shown).
  • the pin may be mounted on the connecting element or the respective first or second coupling device and the respective seating on the element opposite.
  • the pin and the seating are also aligned (axially) and the elastic element can intervene to guarantee insertion of the pin in the seating and eliminate the rotating liberty with respect to both the first coupling device and the second coupling device, in this way maintaining the aligned configuration.
  • the equipment can also be mounted at the opposite end of the rails, i.e. the first rail to bring the second coupling device mounted on the rear end and the first sliding coupling device can be mounted on the immediately adjacent rail without there being substantial variations in functioning of the equipment.
  • the equipment can be mounted during the loading step of the transport truck and does not require the intervention of operators during the rail unloading steps.
  • the coupling device is automatically activated on reaching the end of the rail, blocking and dragging it by means of the connecting element and the second blocking device and the rail until all the rails are unloaded.
  • the system is exclusively mechanical and is conceptually simple and substantially cheaper in terms of labour time than the corresponding operations carried out up to today for unloading rails.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Chain Conveyers (AREA)
  • Handcart (AREA)
  • Intermediate Stations On Conveyors (AREA)

Claims (10)

  1. Ausrüstung (1) zum Verbinden von Schienen (2, 3) und zum Bewegen der Schienen (2, 3), insbesondere während des Entladens eines Lastwagens (4), umfassend:
    eine erste Kopplungsvorrichtung (5) konfiguriert zum Eingreifen in einen Teil einer Schiene (2);
    eine zweite Kopplungsvorrichtung (6) konfiguriert zum Eingreifen in einen Teil einer weiteren Schiene (3);
    und
    mindestens ein Verbindungselement (7) zum Befestigen der ersten Kopplungsvorrichtung (5) mit der zweiten Kopplungsvorrichtung (6),
    dadurch gekennzeichnet, dass mindestens die erste Kopplungsvorrichtung (5) ein Führungssystem (50) aufweist, umfassend zum Beispiel einen Sitz (8), der zumindest teilweise komplementär zu einem Querabschnitt der Schiene (2) geformt ist, wobei das Führungssystem (50) konfiguriert ist, ein Gleiten der ersten Kopplungsvorrichtung (5) bezüglich der Schiene (2) von einem Ende (2a) zu einem anderen Ende (2b) davon zu ermöglichen, und dadurch, dass sie weiter ein Blockierungssystem (9) der ersten Kopplungsvorrichtung (5) an der Schiene (2) umfasst, wobei das System (9) aktiv ist, um die erste Kopplungsvorrichtung (5) an der Schiene (2) zu blockieren, zumindest dann, wenn die erste Kopplungsvorrichtung (5) im Bereich eines freien Endes (2b) der Schiene (2) liegt, wobei das System (9) das Gleiten der ersten Kopplungsvorrichtung (5) auf der Schiene (2) in die anderen relativen Kopplungspositionen ermöglicht.
  2. Ausrüstung nach einem der vorhergehenden Ansprüche, wobei die erste Kopplungsvorrichtung (5) konfiguriert ist zu einer prismatischen Befestigung an der Schiene (2) mit einem Gleiten entlang einer Entwicklungsachse (14) der Schiene, wobei das Führungssystem (50) insbesondere eine vorgegebene Anzahl von drehenden Kopplungselementen (51) wie Rädern, Rädchen, Rollen, Laufrollen, umfasst, geeignet zum Anliegen an jeweiligen Teilen der Schiene, um eine Gleitkopplung zwischen der ersten Kopplungsvorrichtung (5) und der Schiene (2) festzulegen, wobei das Führungssystem (50) insbesondere an mindestens einer und optional an den beiden Flanken der Schiene zwei drehende Kopplungselemente (51) zum Anliegen an einen Fuß (12) der Schiene (2) und zwei drehenden Kopplungselemente (51) zum Anliegen an einen Kopf (13) der Schiene (2) umfasst.
  3. Ausrüstung nach einem der vorhergehenden Ansprüche, wobei das Blockierungssystem (9) Aktivierungsmittel (15) umfasst, um eine Aktivierung des Blockierungssystems am freien Ende (2b) der Schiene (2) zu ermöglichen und um das Blockierungssystems (9) während des Gleitens der ersten Kopplungsvorrichtung (5) entlang der Schiene (2) inaktiv zu halten, wobei die Aktivierungsmittel (15) die Aktivierung des Blockierungssystems (9) automatisch beim Erreichen des freien Endes (2b) der Schiene (2) ermöglichen.
  4. Ausrüstung nach dem vorhergehenden Anspruch, wobei die Aktivierungsmittel (15) mindestens einen Körper (16, 17) umfassen, zum Beispiel eine Rolle, der an und entlang der Schiene (2) bei der relativen Bewegung zwischen der ersten Kopplungsvorrichtung (5) und der Schiene (2) beweglich ist, wobei der bewegliche Körper (16, 17) in einer ersten inaktiven Position der Blockierungsmittel von der Schiene (2) gehalten wird, wobei die Aktivierungsmittel (15) konfiguriert sind, zum Beispiel durch Schwerkraft und/oder durch ein elastisches Element, sich in eine Arbeitsposition der Blockierungsmittel zu verlagern, zumindest dann, wenn das erste Kopplungselement (5) das freie Ende (2b) der Schiene (2) erreicht, wobei die inaktive Position des beweglichen Körpers (16, 17) dem inaktiven Zustand des Blockierungssystems (9) entspricht, wobei die Arbeitsposition des beweglichen Körpers (16, 17) dem aktiven Zustand des Blockierungssystems (9) entspricht.
  5. Ausrüstung nach einem der vorhergehenden Ansprüche, wobei das Blockierungssystem (9) Stoppmittel (21) umfasst, zum selektiven Blockieren des relativen Längsgleitens der ersten Kopplungsvorrichtung (5) bezüglich der Schiene (2), wobei die Stoppmittel (21) konfigurierbar sind zwischen einem Ruhezustand, in dem die Stoppmittel (21) das Gleiten ermöglichen, und einem Arbeitszustand, in dem die Stoppmittel (21) das Gleiten verhindern, wobei die Stoppmittel (21) insbesondere von den Aktivierungsmitteln (15) gesteuert werden.
  6. Ausrüstung nach den Ansprüchen 3 und 5, wobei die Stoppmittel (21) mindestens ein Paar von Verriegelungskörpern (22, 23) umfassen, wie Körpern mit einem gekrümmten Aktivprofil oder Rollen, im Betrieb vorgesehen zum Anliegen an einen Steg (18) der Schiene (2), um eine Gleitbewegung zwischen der Schiene (2) und der ersten Kopplungsvorrichtung (5) mindestens in einer Entnahmerichtung (E) der Schiene (2) von der Kopplungsvorrichtung (5) zu verhindern, und jeweilige Steuerelemente (24, 25) zum Anlegen der Verriegelungskörper (22, 23) an den Steg (18) der Schiene (2) umfassen, wobei die Aktivierungsmittel (15) auf die Steuerelemente (24, 25) der Stoppmittel (21) im inaktiven Zustand des Blockierungssystems aktiv sind, um das relative Gleiten zwischen der Schiene (2) und der ersten Kopplungsvorrichtung (5) zu ermöglichen, und optional im aktiven Zustand des Blockierungssystems aktiv sind, um das relative Gleiten zu verhindern.
  7. Ausrüstung nach einem der vorhergehenden Ansprüche, wobei die zweite Kopplungsvorrichtung (6) Blockierungsmittel (30) zum Erzeugen einer Blockierungskraft auf dem Steg (18) der Schiene (2) umfasst, wobei die zweite Kopplungsvorrichtung (6) insbesondere konfiguriert ist zum selektiven Blockieren der Ausrüstung an einem Ende (3a) der weiteren Schiene (3).
  8. Ausrüstung nach dem vorhergehenden Anspruch, wobei die zweite Kopplungsvorrichtung (6) einen ersten und einen zweiten Flügel (27, 28) umfasst, die miteinander verbunden sind, gekoppelt und längs beabstandet, um eine Vertiefung (29) dazwischen zu definieren, die geeignet ist, einen Steg (18) der Schiene aufzunehmen, wobei die Blockierungsmittel (30) mindestens einem der Flügel (27, 28) zugeordnet sind, um die Blockierungskraft auf dem Steg (18) zu erzeugen, wobei die Blockierungsmittel (30) eine Einführung des Stegs (18) in die Vertiefung (29) gemäß einer Kopplungsrichtung (33) und einer Einführungsrichtung (I) ermöglichen und die Blockierungskraft im Fall einer Entnahmebewegung des Stegs (18) in einer, der Einführungsrichtung (I) entlang der Kopplungsvorrichtung (33) entgegengesetzten Entnahmerichtung (E) erzeugen.
  9. Ausrüstung nach einem der vorhergehenden Ansprüche, wobei das Verbindungselement (7) konfigurierbar ist zwischen einer geneigten Ruheposition bezüglich der ersten und zweiten Kopplungsvorrichtung (5, 6) und einer Arbeitsposition, bei der es mit der ersten und der zweiten Kopplungsvorrichtung (5, 6) entlang einer Entwicklungsrichtung der Ausrüstung ausgerichtet ist, wobei das Verbindungselement (7) zum Beispiel an der ersten und/oder zweiten Kopplungsvorrichtung (5, 6) drehbar angebracht ist.
  10. Verfahren zum Verbinden von Schienen und zum Bewegen von Schienen, insbesondere während des Entladens von einem Lastwagen, umfassend die Schritte:
    - Befestigen einer ersten Kopplungsvorrichtung (5) an einem Teil einer Schiene (2);
    - Befestigen einer zweiten Kopplungsvorrichtung (6) an einem Teil einer weiteren Schiene (3), wobei die erste und zweite Kopplungsvorrichtung (5, 6) durch ein Verbindungselement (7) aneinander befestigt sind; und
    - Entnehmen der Schiene (2) vom Lastwagen (4), wobei die erste Kopplungsvorrichtung (5) entlang der Schiene (2) bis zu einem Ende (2b) davon gleitet und das relative Gleiten am Ende (2b) blockiert, wobei eine weitere Entnahme der Schiene (2) die Übertragung einer Entnahmekraft, durch das Verbindungselement (7), zur zweiten Kopplungsvorrichtung (6) und zur weiteren Schiene (3) verursacht, wobei die weitere Schiene (3) auch entnommen wird.
EP12160597.6A 2011-03-21 2012-03-21 Ausrüstung zum Verbinden von Schienen und Bewegen der Schienen, insbesondere während des Entladens eines Lastwagens Active EP2503058B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000440A ITMI20110440A1 (it) 2011-03-21 2011-03-21 Attrezzatura per il collegamento di rotaie e la movimentazione delle stesse, particolarmente durante lo scarico da un carro di trasporto

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EP2503058B1 true EP2503058B1 (de) 2015-07-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2550878B1 (es) * 2014-04-11 2016-09-08 Ferrovial Agromán S.A. Brida de arrastre para la descarga de carriles
ES2561928B1 (es) 2014-04-11 2017-01-04 Ferrovial Agroman, S.A. Procedimiento de montaje de vías de ferrocarril
DE202015006320U1 (de) * 2015-09-05 2015-10-23 Robel Bahnbaumaschinen Gmbh Schienenziehvorrichtung

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Publication number Priority date Publication date Assignee Title
AT281558B (de) 1967-07-12 1970-05-25 Plasser Bahnbaumasch Franz Vorrichtung zur Schnellverbindung stumpf aneinanderstoßender Enden von Schienen
US3635164A (en) 1969-12-29 1972-01-18 Robert W Patton Rail-transposing machine
US5297482A (en) * 1993-04-29 1994-03-29 Cleveland Robert K Rail threader
US5295440A (en) 1993-04-29 1994-03-22 Cleveland Robert K Rail puller, with wedge clamp
DE9408678U1 (de) * 1994-05-20 1994-07-21 Stahlberg, Roensch Gmbh & Co Kg, 21079 Hamburg Klemmvorrichtung zum Verziehen von Schienen
DE29513341U1 (de) * 1994-09-01 1995-10-19 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H., Wien Vorrichtung zum Ausrichten und Halten von zwei an ihren Enden miteinander zu verschweißenden Schienen
EP0939849A1 (de) * 1996-09-09 1999-09-08 Karl Anders Rosenqvist Verfahren und mittel zum verlegen von schienenteilen
DE50010070D1 (de) 1999-02-12 2005-05-25 Robel Bahnbaumaschinen Gmbh Vorrichtung zum Abladen von Schienen
DE29906181U1 (de) 1999-04-06 1999-06-17 Robel GmbH & Co. KG, 83395 Freilassing Zweiwegefahrzeug zum Abladen von Schienen
ATE310126T1 (de) * 1999-05-31 2005-12-15 Robel Bahnbaumaschinen Gmbh Schienenklemmvorrichtung
US6637340B1 (en) * 2002-09-26 2003-10-28 Timothy R. Wilson Rail pulling system

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