EP3516116B1 - Mécanisme de préhension pour machine d'agrafage par vis et broche - Google Patents

Mécanisme de préhension pour machine d'agrafage par vis et broche Download PDF

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Publication number
EP3516116B1
EP3516116B1 EP17776971.8A EP17776971A EP3516116B1 EP 3516116 B1 EP3516116 B1 EP 3516116B1 EP 17776971 A EP17776971 A EP 17776971A EP 3516116 B1 EP3516116 B1 EP 3516116B1
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EP
European Patent Office
Prior art keywords
gripping
tension
mounting device
gripping mechanism
screwing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17776971.8A
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German (de)
English (en)
Other versions
EP3516116A1 (fr
Inventor
Dr. Roland BUDA
Daniel Walter
Thomas DAHMANN
Markus WEIGELE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schwihag AG
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Schwihag AG
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Filing date
Publication date
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Priority to PL17776971T priority Critical patent/PL3516116T3/pl
Publication of EP3516116A1 publication Critical patent/EP3516116A1/fr
Application granted granted Critical
Publication of EP3516116B1 publication Critical patent/EP3516116B1/fr
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Classifications

    • 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
    • E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
    • 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
    • E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
    • E01B29/28—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes
    • 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
    • E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2201/00—Fastening or restraining methods
    • E01B2201/04—Fastening or restraining methods by bolting, nailing or the like

Definitions

  • the invention relates to the fastening of rails on their superstructure, usually sleepers, by means of tension clamps.
  • tension clamps are used to provide a non-positive connection between a rail foot and a sleeper, usually using an angle guide plate and other suitable devices.
  • At least two tension clamps per rail are regularly used on each sleeper, which are assigned to each rail foot of a rail opposite one another, i.e. four tension clamps per sleeper.
  • tension clamps When manufacturing and / or repairing a track system, a large number of tension clamps must be installed and / or dismantled in order to ensure that a rail and an entire track system are securely held on their substructure. These tension clamps are usually installed by hand, but at least they are brought into their installation position. Mounting devices for tension clamps for fastening a rail on a rail sleeper or rail superstructure are for example from EP 1 424 444 A2 , DE 11 97 108 B or US 8 499 695 B1 known.
  • the invention provides an assembly device which is able to securely transfer tension clamps from their pre-assembly position into an assembly position in contact with the rail foot of a rail. This is preferably done over a wide range of clamping geometries without the assembly device having to be specially converted or re-equipped for this purpose.
  • the manual work is thus limited to the necessary minimum and the rail fastening process can be carried out essentially and preferably fully automatically.
  • the assembly device comprises a gripping mechanism for synchronously gripping one tensioning clamp on each side of the rail foot and for applying a clamping force to the at least two tensioning clamps in order to be able to hold the tensioning clamps securely and to be able to move them into or out of their assembly position.
  • the gripping mechanism preferably has two opposing gripping arms, which in a particularly advantageous embodiment of the invention by means of a tension spring or are biased to move towards one another by means of a hydraulic two-way cylinder.
  • the opposing active surfaces of the two gripping arms have an elastic support, preferably an elastomer support. On the one hand, this increases the coefficient of friction of the active surface and, on the other hand, the elasticity of the support enables different tension clamps to be gripped and, in addition, increased tolerance in machine positioning is made available.
  • gripper clips or snap locks can be arranged on the gripper arms, which grasp the arms of the tension clamps resting on the gripper arms of the gripping mechanism and at least partially enclose them.
  • the gripping mechanism preferably further comprises a device which is able to counteract the tensioning force caused by the tensioning spring or a hydraulic two-way cylinder.
  • This device is preferably a switchable and / or controllable hydraulic device via which the gripping arms of the gripping mechanism can be moved away from one another against the tensile force of the tension spring or by the hydraulic two-way cylinder so that the tensioning clamp is released from the gripping mechanism.
  • the gripping mechanism comprises a lifting cylinder, preferably a double-lifting cylinder, by means of which the movement of the gripping arms of the gripping mechanism towards one another and away from one another can be brought about.
  • a lifting cylinder preferably a double-lifting cylinder
  • the assembly device additionally comprises a device for screwing in and unscrewing at least two tension clamp screws. It is particularly advantageous if the device is able to cause the tensioning clamp screws to be screwed in with a predetermined, defined torque. This supports the automation of the assembly process of the rail on a suitable rail superstructure in a particularly advantageous manner.
  • a device for the operative connection of the gripping mechanism and the device for screwing in and unscrewing the tension clamp screws which controls the movement of the gripping mechanism with the movement of both the device for screwing in and unscrewing the tension clamp screw when screwing in and unscrewing the tension clamp screw also the tension clamps themselves are synchronized.
  • the assembly device additionally comprises a device for fixing its position relative to the rail, preferably for centering the assembly device in relation to the longitudinal axis of the rail.
  • the assembly device has two opposing gripping mechanisms, which are preferably arranged and movable in mirror image to one another. This brings about the preferably simultaneous fastening of two tension clamps, one on each side of the rail foot.
  • the movement of both gripping mechanisms can take place synchronously, but a device in which the respective Gripping mechanisms can be controlled and moved independently of one another.
  • the suspension and movement of the gripping mechanism is designed in the form of an eccentric swivel, in which the tension clamps are moved from the pre-assembly position to the assembly position in such a way that the tension clamp is at a predefined dimension of at least 15 mm, preferably at least 20 mm , particularly preferably at least 30 mm, is brought above the angled guide plate into the area above the rail foot, in order to then be lowered onto the rail foot and the angled guide plate.
  • the assembly device is connected and / or connectable to a drive device that can preferably be placed on the rail and moved on this.
  • the drive device is able to drive the movements of all mechanisms and devices of the assembly device, including the hydraulic and electrical or motorized-mechanical.
  • By means of the invention it is achieved, but at least supported, that bending of the tension clamp does not occur.
  • This is particularly supported when the tension clamp is gripped by spring force or hydraulic force and clamped in the gripping mechanism.
  • a floating mounting of the gripping arms within the gripping mechanism enables different tension clamps to be gripped and compensates for tolerances in the machine positioning, preferably together with elastomer pads on the active surfaces of the gripping arms.
  • the tensioning clamps are preferably transferred from their assembly position to their pre-assembly position by lifting the tensioning clamp when unscrewing the tensioning clamp screws.
  • the gap present between the rail sleeper and the rail is preferably bridged by the lifting movement when the tensioning clamp is raised sufficiently high.
  • the tension clamp is preferably transferred from its preassembly position to its assembly position by pivoting the gripping mechanism using spring force, so that the machine is prevented from being braced in the event of unexpected collisions, for example if there is ballast between the tension clamp and the rail.
  • the mechanics do not lead to tension and can easily be removed from the rail.
  • the hydraulic system is automatically depressurized in the event of an emergency stop.
  • a combined displacement of the tensioning clamp with subsequent screwing after the tensioning clamp has been pushed in from the pre-assembly position and the tensioning clamp has been pushed out into the assembly position and securing it is particularly advantageous.
  • the assembly device and the system of assembly device and drive unit can be used quickly and easily with a high meter performance and preferably synchronous screwing with a constant tightening torque.
  • an automatic search is provided within the system and / or the assembly device according to the invention, the automation of the assembly process is supported by simple and preferably fully automatic insertion of the tension clamps in their assembly position and attachment of the device for screwing in and unscrewing at least one tensioning clamp screw with simple and particularly effective means. This ultimately results in consistently high screwing accuracy, which avoids manual recalibration on the construction site, in particular manual reworking with a torque wrench.
  • a method for fastening at least one tension clamp in its installation position by means of an installation device according to the first aspect of the invention is provided.
  • the essential steps of the method according to the invention are (i) placing and preferably centering the assembly device on the rail, (ii) gripping and clamping of the tensioning clamp by means of the gripping mechanism in a pre-assembly position, (iii) moving the gripping mechanism and the tensioning clamp into the assembly position , (iv) releasing the clamping force of the gripping mechanism and releasing the tension clamp, and (v) removing the gripping mechanism from the assembly position without the tension clamp.
  • the method according to the invention additionally comprises the step of screwing in at least one tensioning clamp screw, preferably with a defined torque, after step (iii) or step (iv) or step (v).
  • the device for screwing in and screwing out follows the movement of the tensioning clamp screw in its longitudinal direction during the screwing process. This provides a method that supports the automation of the fastening process in a particularly advantageous manner and reliably avoids jamming of individual device and device parts with one another.
  • a system is provided on the assembly device according to the invention according to the first aspect of the invention and a drive device that is connected to the assembly device.
  • the drive device preferably has suitable means for placing the drive device on a rail and for moving the drive device together with the assembly device along the longitudinal axis of the rail.
  • the drive device particularly preferably has at least one motor, by means of which both the movement of the system as a whole along the rail and the movement of the individual gripping mechanisms and screw devices can be brought about. The same also applies to the provision of the hydraulic pressure required for movements of the assembly device or individual components thereof.
  • FIG. 1 shows a system according to the invention, comprising a mounting device 1 and a drive device 10 connected to it.
  • the system is overall deposited on a rail 3 and supported by means of a cross connector 11, which is connected to the drive device 10, on the parallel (not shown) rail and guided in the longitudinal direction of the rail 3.
  • the assembly device 1 comprises two oppositely arranged gripping mechanisms 5, each holding tensioning clamps 2 between two gripping arms 7a, 7b and holding them in their assembly positions. In the assembly position, the tension clamps 2 are arranged in such a way that they are arranged both on the rail foot 3a and on an angle guide plate which is placed on a railway sleeper.
  • Two screwing devices 6a, 6b screw the tension clamp 2 securely in its illustrated mounting position.
  • Figure 2a shows a gripping mechanism 5 of the assembly device 1 according to the invention in a loose state in which two opposing gripping arms 7a, 7b, which are tensioned towards one another by means of a tension spring 14 or a two-way cylinder (not shown), are moved away from one another by means of a hydraulic cylinder 9, so as to release the tension clamps 2.
  • Figure 2b shows the gripping mechanism Figure 2a in its clamping position, in which the rubberized supports 8a, 8b clamp the tension clamps 2 in a non-positive and at least partially form-fitting manner on the active surfaces of the gripping arms 7a, 7b of the gripping mechanism 5.
  • the hydraulic cylinder 9 is in an unswitched position, so that the gripping arms 7a, 7b of the gripping mechanism 5 are moved towards one another by means of the tension spring action or the hydraulic force effect, so that the tension spring 14 is securely held between the gripping arms 7a, 7b.
  • Figure 3 shows a plan view of an essential part of the assembly device 1 according to the invention with two opposing gripping mechanisms 5a, 5b.
  • the respective gripping mechanisms 5a, 5b are rotatably arranged around respective pivot bearings 15, 16 and preloaded by means of respective tension springs 17, 18 or hydraulics so that without actuation of the between the one another opposite gripping mechanisms 5a, 5b arranged a pivoting of the tension clamp 2 arranged between the respective gripping arms of the gripping mechanisms 5a, 5b in a pivoting movement along the arrows 20, 21 shown.
  • the movement of the respective gripping mechanisms 5a, 5b can be synchronized by means of the coupling rod 22 arranged between the two gripping mechanisms 5a, 5b.
  • Figure 4a shows an essential part of an assembly device 1 according to the invention with two oppositely arranged gripping mechanisms 5a, 5b in a gripping position in which the tensioning clamp screws 23 have been screwed out of the angle guide plates 24 to a predetermined extent by means of the device 6 for screwing in and unscrewing the tensioning clamp screws 23, so as to allow the tensioning clamps 2 to be pushed into their assembly position by means of the gripping mechanisms 5a, 5b.
  • Figure 4b shows the essential parts of the assembly device 1 according to Figure 4a in an insertion position in which the gripping mechanisms 5a, 5b were pivoted into their assembly position after releasing the release cylinder 19 by the action of the tension springs 2 on the rail 3.
  • the respective tension clamps 2 are now arranged both above the rail foot 3a and the angled guide plate 24 so that assembly of the tension clamps 2 can be easily automated by screwing in the tension clamp screws 23 through the device 6 for screwing in and unscrewing the tension clamp screws 23.
  • FIGS. 5a and 5b show a top view of essential parts of an assembly device 1 according to the invention with gripping mechanisms 5a, 5b for the tension clamps 2 pivoted into the assembly position relative to one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Clamps And Clips (AREA)
  • Automatic Assembly (AREA)

Claims (19)

  1. Dispositif de montage (1) de pinces de serrage (2) destinées à fixer un rail (3), notamment un patin de rail (3a) sur une traverse de rail (4) ou sur une autre superstructure de rail, comprenant au moins un mécanisme de préhension (5), destiné à la préhension synchrone d'au moins deux pinces de serrage (2) et au déplacement synchrone d'au moins deux pinces de serrage (2) de leur position de prémontage dans la position de montage, un système destiné à appliquer une force de serrage sur les pinces de serrage (2), le système destiné à appliquer une force de serrage comprenant un mécanisme tendeur, ainsi qu'un mécanisme desserrant le mécanisme tendeur ou agissant à l'encontre de sa force de serrage.
  2. Dispositif de montage (1) selon la revendication 1,
    caractérisé en ce que
    le dispositif de montage (1) comprend additionnellement un système (6) pour le vissage et le dévissage synchrones d'au moins deux vis de pince de serrage (23), de préférence avec un couple de serrage défini.
  3. Dispositif de montage (1) selon la revendication 2,
    caractérisé
    en ce qu'il comprend un dispositif pour la liaison active du mécanisme de préhension (5) et du système (6) pour le vissage et le dévissage, de telle sorte que le déplacement du mécanisme de préhension (5) pendant le vissage et le dévissage synchrones des au moins deux vis de pince de serrage (23) soit synchronisable avec le système (6) pour le vissage et le dévissage synchrones.
  4. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le dispositif de montage (1) comprend additionnellement un système pour la fixation de sa position par rapport au rail (3), de préférence pour le centrage du dispositif de montage {1) en rapport à la longueur axiale du rail.
  5. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce qu'il comprend au moins deux mécanismes de préhension (5a, 5b) mutuellement opposés, qui sont placés et mobiles en symétrie spéculaire.
  6. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le mécanisme de préhension (5) comprend deux bras de préhension (7a, 7b) mobiles l'un vers l'autre et l'un en éloignement de l'autre, pour la préhension de la pince de serrage (2).
  7. Dispositif de montage (1) selon la revendication 6,
    caractérisé en ce que
    les surfaces actives mutuellement opposées des bras de préhension (7a, 7b) comprennent des appuis (8a, 8b) élastiques, de préférence des appuis en élastomère ou des fermetures de préhension.
  8. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le mécanisme de préhension (5) est transférable au moyen de la force d'un ressort ou d'une force hydraulique d'une position lâche dans une position de préhension.
  9. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le mécanisme de préhension (5) est transférable au moyen d'un dispositif hydraulique susceptible d'être commuté et/ou commandé d'une position de préhension dans une position lâche.
  10. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le mécanisme de préhension (5) est transférable au moyen d'un vérin de levage (9) d'une position lâche dans une position de préhension et inversement.
  11. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce qu'il est relié et/ou susceptible d'être relié avec un dispositif d'entraînement (10) susceptible d'être monté de préférence sur le rail (3) et mobile sur celui-ci.
  12. Dispositif de montage (1) selon la revendication 11,
    caractérisé en ce que
    par l'intermédiaire du système d'entraînement, les déplacements de tous les mécanismes et systèmes, y compris ceux qui sont hydrauliques et électriques ou mécaniques-motorisés sont susceptibles d'être entraînés.
  13. Dispositif de montage (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'application synchrone et/ou le retrait synchrone des au moins deux pinces de serrage (2) est susceptible d'être provoqué automatiquement, de préférence de manière entièrement automatique.
  14. Procédé, destiné à fixer au moins deux pinces de serrage (2) dans leur position de montage au moyen d'un dispositif de montage (1) selon l'une quelconque des revendications 1 à 13,
    caractérisé par les étapes suivantes consistant à :
    - placer et de préférence centrer le dispositif de montage (1) sur le rail (3),
    - prendre et enserrer les pinces de serrage (2) au moyen du mécanisme de préhension (5) dans une position de prémontage,
    - déplacer le mécanisme de préhension (5) et les pinces de serrage (2) dans la position de montage,
    - serrer les vis de pince de serrage (23) en appliquant un couple de rotation défini ou en posant par complémentarité de forme au moins des parties des pinces de serrage (2), de préférence leurs boucles centrales, sur des plaques de guidage angulaire (24),
    - relâcher la force de serrage du mécanisme de préhension (5) et libérer les pinces de serrage (2), et
    - retirer le mécanisme de préhension (5) de la position de montage sans pinces de serrage (2).
  15. Procédé selon la revendication 14,
    caractérisé en ce que
    le procédé comprend additionnellement l'étape du vissage d'au moins deux vis de pince de serrage, de préférence avec un couple de rotation défini dans la position de montage.
  16. Procédé selon la revendication 15,
    caractérisé en ce que
    le système (6) pour le vissage et le dévissage suit le déplacement des vis de pince de serrage dans leur direction longitudinale pendant le processus de vissage.
  17. Système, constitué du dispositif de montage (1) selon l'une quelconque des revendications 1 à 13 et d'un dispositif d'entraînement (10) relié avec le dispositif de montage (1).
  18. Système selon la revendication 17,
    caractérisé en ce que
    le dispositif d'entraînement (10) comprend des moyens destinés à placer et à déplacer le système sur un rail (2) .
  19. Système selon l'une quelconque des revendications 17 et 18,
    caractérisé en ce que
    le dispositif d'entraînement (10) comporte un système automatique de recherche.
EP17776971.8A 2016-09-19 2017-09-19 Mécanisme de préhension pour machine d'agrafage par vis et broche Active EP3516116B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17776971T PL3516116T3 (pl) 2016-09-19 2017-09-19 Mechanizm chwytający do maszyny do mocowania z wrzecionem i śrubą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016217885 2016-09-19
PCT/EP2017/073633 WO2018050917A1 (fr) 2016-09-19 2017-09-19 Mécanisme de préhension pour machine d'agrafage par vis et broche

Publications (2)

Publication Number Publication Date
EP3516116A1 EP3516116A1 (fr) 2019-07-31
EP3516116B1 true EP3516116B1 (fr) 2020-11-04

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ID=59974403

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Application Number Title Priority Date Filing Date
EP17776971.8A Active EP3516116B1 (fr) 2016-09-19 2017-09-19 Mécanisme de préhension pour machine d'agrafage par vis et broche

Country Status (8)

Country Link
US (1) US11293145B2 (fr)
EP (1) EP3516116B1 (fr)
KR (1) KR20190052654A (fr)
CN (1) CN109790692B (fr)
DK (1) DK3516116T3 (fr)
ES (1) ES2837095T3 (fr)
PL (1) PL3516116T3 (fr)
WO (1) WO2018050917A1 (fr)

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ES2837095T3 (es) 2021-06-29
CN109790692A (zh) 2019-05-21
DK3516116T3 (da) 2021-02-08
KR20190052654A (ko) 2019-05-16
PL3516116T3 (pl) 2021-05-31
US20200308774A1 (en) 2020-10-01
US11293145B2 (en) 2022-04-05
WO2018050917A1 (fr) 2018-03-22
EP3516116A1 (fr) 2019-07-31
CN109790692B (zh) 2021-04-27

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