EP1496157A1 - Hand tool for inserting and extracting rail fastenings - Google Patents

Hand tool for inserting and extracting rail fastenings Download PDF

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Publication number
EP1496157A1
EP1496157A1 EP04356116A EP04356116A EP1496157A1 EP 1496157 A1 EP1496157 A1 EP 1496157A1 EP 04356116 A EP04356116 A EP 04356116A EP 04356116 A EP04356116 A EP 04356116A EP 1496157 A1 EP1496157 A1 EP 1496157A1
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EP
European Patent Office
Prior art keywords
manual
base block
rotating part
head
main body
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.)
Granted
Application number
EP04356116A
Other languages
German (de)
French (fr)
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EP1496157B1 (en
Inventor
Bernard Rousset
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.)
Societe des Anciens Etablissements Lucien Geismar SAS
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Societe des Anciens Etablissements Lucien Geismar SAS
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Publication of EP1496157A1 publication Critical patent/EP1496157A1/en
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Publication of EP1496157B1 publication Critical patent/EP1496157B1/en
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/5383—Puller or pusher means, contained force multiplying operator having fluid operator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53839—Puller or pusher means, contained force multiplying operator having percussion or explosive operator
    • Y10T29/53843—Tube, sleeve, or ferrule inserting or removing

Definitions

  • the present invention relates to a manual tool for the insertion and the extraction of railway track fasteners, this tool being more specially designed for laying and removing fasteners elastic rails, also known under the trade name "clip".
  • Such fasteners fit into a fixed support drowned in a railway crossing, to maintain the rail.
  • These fasteners are applied on the two wings, respectively inner and outer, of the skid of the rail, that is to say of the lower part of the rail, placed on the sleepers of the track.
  • the present invention aims to eliminate all previously mentioned disadvantages, by providing a manual tool for the insertion and extraction of rail fasteners, of the kind particular provides a significant improvement in the safety conditions for the operator of the tool, which also allows to carry out indifferently the operations insertion and extraction of fasteners, without modification or replacement of tools, and which also considerably reduces the hardness of the work of the operator, for the same force exerted on the active part of the tool, while having a greater race of this active part, allowing very variable positioning of the fasteners relative to the rail, without changing said active part.
  • the body main manual tool for insertion and removal of rail fasteners comprises, on the one hand, a base block housing a hydraulic cylinder of which the movable element is connected to the active part, intended to cooperate with the attachment to insert or extract, and secondly, a rotating part that overcomes the body base and which contains a hydraulic power station with oil tank and pump, in connection with the hydraulic cylinder, the rotating part being provided at the top of a head equipped with a device for manually actuating the pump, with a manual control member such as a push bar, and with transmission elements between this control member and the element mobile pump.
  • the hydraulic cylinder comprises a fixed cylinder, housed in the base block of the main body, and a sliding piston which has an outer end to which is attached, so removable and interchangeable, the active part.
  • the manual actuating device is achievable with a lever movable in a substantially vertical plane, an arm is provided to receive the manual control member such as a push bar, and a point of which is connected to a plunger of a pump disposed substantially vertically, in the axis of the rotating part. Another point of the lever can be connected from articulated way, via a connecting rod, to the head of the rotating part.
  • the manual tool for the insertion and extraction of rail fasteners is designated in set by the numerical reference 2.
  • This manual tool 2 includes a main body, consisting of a base block 3 surmounted by a part rotating 4.
  • the base block 3 houses a fixed cylinder 5, of substantially axis horizontal, in which is slidably mounted a piston 6, subjected to the action of a return spring 7, which pushes the piston 6 towards the bottom of the cylinder 5, the assembly constituting a hydraulic cylinder.
  • an insertion cam 9 which is the active part of the tool, cooperating with the clip to be inserted or extracted, in particular by an end 9a bent to right angle down.
  • the insertion cam 9 is slidably mounted under the bottom of the block base 3, between two outer plates 11 with claws, laterally fixed both sides of the base block 3 by means of screws 12.
  • a longitudinal lumen 9b crossed by a member 13 of guide and retaining, disposed between the two outer plates 11 with claws.
  • the rotating part 4 of the main body is recessed, so as to delimit, with the upper face of the base block 3, a cylindrical volume constituting an oil reservoir 14.
  • the base of the rotating part 4 forms a flange 4a, rotatably mounted at the top of the base block 3, shaped 3a crown, where it is retained by a screwed annular flange 15.
  • a seal 16, of the rotary joint type, is inserted between the flange 4a and the upper crown 3a of the base block 3.
  • the rotating part 4 more particularly its tank 14, houses along its axis A substantially vertical a pump 17 with a body cylindrical 18 and a plunger 19. Inside the tank 14 is also housed a safety valve 20.
  • the rotating part 4 of the main body forms at its summit a 4b, on which is mounted a device 21 for manual actuation of the pump 17.
  • the device 21 comprises a lever 22, of which an intermediate point is articulated around a horizontal axis 23 at the top of the plunger 19.
  • One of the arms of the lever 22 has its articulated end, around an axis longitudinal 24, a rod 25 which is itself articulated, around another horizontal axis 26, on the head 4b of the rotating part 4.
  • the other arm 22a of the lever 22 forms a sleeve, provided to receive a push bar removable, schematized by its axis 27.
  • the hydraulic assembly still includes valves (no represented) necessary for the operation of the pump 17, as well as internal channels (not shown), drilled in the base block 3, which connect the pump 17 and the oil reservoir 14 to the cylinder 5.
  • the manual actuation of the pump 17, by the operator acting on the push rod 27, ensures the injection of oil (sucked into the tank 14) in the oil chamber of the cylinder 5, so as to push the piston 6 outward, against the action of the return spring 7.
  • the cam insertion 9 is thus displaced in translation, and it can push by its end 9a, in the appropriate direction, the clip to insert or extract.
  • a command also allows to put in communication the cylinder 5 oil chamber with the tank 14, to allow the oil of return to the tank 14, the piston 6 being pushed towards the bottom of the cylinder 5 by its return spring 7, and the insertion cam 9 then returning to position initial.
  • the claws of the outer plates 11 are housed in a shoulder of the fixed support of the fastener, which support is integral with the railway crossing, to take up the reaction of the force exerted on the fastener.
  • the rotating assembly of part 4, around an axis A substantially vertical, relative to the base block 3 of the main body of the tool, makes it possible to give any desirable orientation to the rotating part 4, therefore at the thrust bar 27, with respect to the base block 3.
  • FIGS 3 to 6 illustrate the use of the manual tool 2 previously described.
  • These figures show, schematically, a rail 28 of a railroad, laid on a crosspiece 29 partially shown.
  • the rail 28 is fixed on the crossbar 29 by means of fasteners 30 and 31, respectively inner and outer, which are applied respectively on the two wings of the skate 28a of the rail 28.
  • Each fastener 30 or 31 is inserted into a fixed support, respectively 32 or 33, embedded in the crossbar 29.
  • Figure 3 shows the position of the hand tool 2, at the beginning of the insertion operation of a fastener 30 or 31.
  • the angular positions of the base block 3 are diametrically opposite, depending on whether to insert an inner clip or fastener 31 outdoor.
  • the rotating part 4 is always oriented so that that the push bar 27 extends inwards, so that the operator station on the railway concerned, between rail 28 and the other rail (no represented, and located further to the right) of this railway.
  • Figure 3 clearly shows the initial position of the insertion cam 9.
  • FIG. 4 shows the position of the manual tool 2 at the end of the operation insertion of the fastener 30 or 31, and it shows in particular the final position of the insertion cam 9, the piston 6 being partially out of the base block 3.
  • Figure 5 shows the position of the manual tool 2, at the beginning extraction operation of a fastener 30 or 31.
  • the angular positions of the base block 3 are diametrically opposed, depending on whether to extract an inner clip 30 or a clip 31 outside, these positions being reversed, compared to the positions used for insertion of fasteners.
  • the part rotating 4 is always oriented so that the push bar 27 extends inward, so that the operator is stationed on the railway concerned, between the rail 28 and the other rail (not shown, and located to the right) of this railway.
  • Figure 5 clearly shows the position initial of the insertion cam 9.
  • Figure 6 shows the position of the manual tool 2 at the end extraction operation of the fastener 30 or 31, and shows in particular the end position of the insertion cam 9, the piston 6 being partially out of the basic block 3.
  • the insertion cam 9, removably attached to the screw 8, can be dismantled and exchanged according to the various existing types of fasteners and rails, the rest of the manual tool 2 being unchanged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Emergency Lowering Means (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Clamps And Clips (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

The device has a turning part (4) mounted on the top of a main body (3) and a head (4b) formed on top of the turning part. An insertion cam (9) is mounted under the body for cooperating with rail fastenings. The head or the turning part is positioned angularly independent from the usage position of the cam to place a push bar (27) at the interior of a safety zone.

Description

La présente invention concerne un outil manuel pour l'insertion et l'extraction d'attaches de rails de voies ferrées, cet outil étant plus particulièrement conçu pour effectuer la pose et la dépose des attaches élastiques de rails, aussi connues sous la dénomination commerciale "clip".The present invention relates to a manual tool for the insertion and the extraction of railway track fasteners, this tool being more specially designed for laying and removing fasteners elastic rails, also known under the trade name "clip".

De telles attaches, amovibles, s'insèrent dans un support fixe noyé dans une traverse de voie ferrée, pour assurer le maintien du rail. Ces attaches sont appliquées sur les deux ailes, respectivement intérieure et extérieure, du patin du rail, c'est-à-dire de la partie basse du rail, posée sur les traverses de la voie ferrée.Such fasteners, removable, fit into a fixed support drowned in a railway crossing, to maintain the rail. These fasteners are applied on the two wings, respectively inner and outer, of the skid of the rail, that is to say of the lower part of the rail, placed on the sleepers of the track.

Pour effectuer les opérations d'insertion et d'extraction de telles attaches de rails, on connaít actuellement trois catégories de matériels:

  • a) Il existe des machines automotrices à grand rendement, qui circulent sur les rails de la voie ferrée concernée, le conducteur de la machine étant porté par celle-ci. L'énergie nécessaire au déplacement et au travail de la machine est fournie par un moteur thermique et par une centrale hydraulique de forte puissance, embarqués sur la machine.
  • b) Il existe aussi des machines légères, à moteur thermique ou électrique et mouvements hydrauliques, avec conducteur à pied, c'est-à-dire marchant sur le sol à côté de la machine. La source d'énergie d'une telle machine est un petit moteur industriel relié à une centrale hydraulique, généralement de puissance inférieure à 15 kW. A titre d'exemple de ce genre de machine, il est fait référence au document FR 2659674 A.
  • c) Enfin, on connaít des outils manuels, qui utilisent le principe du levier pour appliquer une force d'environ deux tonnes sur l'attache à insérer ou à extraire, à partir de la seule énergie humaine. Ces outils manuels fonctionnent en général de façon entièrement mécanique. A titre d'exemple de ce dernier type, il est fait référence au document JP 2000 037704 A.
    • To carry out the insertion and extraction operations of such rail fasteners, three categories of equipment are currently known:
  • (a) There are high-performance self-propelled machines running on the rails of the railway concerned, the driver of the machine being carried by the railway. The energy required to move and work the machine is provided by a heat engine and a high power hydraulic unit, embedded on the machine.
  • b) There are also light machines, with thermal or electric motor and hydraulic movements, with foot operator, that is to say, walking on the ground next to the machine. The energy source of such a machine is a small industrial engine connected to a hydraulic power plant, generally less than 15 kW power. As an example of this kind of machine, reference is made to document FR 2659674 A.
  • (c) Finally, manual tools are known that use the lever principle to apply a force of about two tons to the clip to be inserted or extracted from human energy alone. These hand tools generally operate in a fully mechanical manner. As an example of the latter type, reference is made to JP 2000 037704 A.

    • La présente invention s'intéresse à cette dernière catégorie de matériels, donc aux outils manuels d'insertion et d'extraction d'attaches de rails. Elle vise à éviter les inconvénients des outils manuels existants, inconvénients qui sont les suivants :

    • Les outils manuels actuels nécessitent, lors de leur utilisation, que l'opérateur passe d'un côté à l'autre du rail, pour agir soit sur une attache intérieure, soit sur une attache extérieure. A ceci s'ajoute le fait que ces outils possèdent un bras de commande assez long, pour permettre à l'opérateur d'exercer la force adéquate, selon le principe de levier desdits outils. Il en résulte que l'opérateur se place, une fois sur deux, entre les deux rails de la voie ferrée concernée, mais aussi une fois sur deux à l'extérieur de ces rails. S'il s'agit de travaux effectués sur une voie ferrée double ou multiple, l'opérateur sort ainsi du gabarit de la voie à traiter, et il s'engage dans le gabarit de la voie ferrée contiguë, ce qui est une situation dangereuse du point de vue de la sécurité des personnes, puisque des circulations de trains peuvent avoir lieu sur cette voie ferrée contiguë (même si la voie ferrée à traiter est évidemment neutralisée).
    • Les outils manuels existants sont des outils spécialisés pour une seule tâche, c'est-à-dire des outils qui permettent seulement l'insertion, ou seulement l'extraction des attaches. Il faut donc disposer de deux types distincts d'outils, et les utiliser alternativement selon que l'on doit procéder à une opération d'insertion ou à une opération d'extraction d'une attache.
    • En raison de leur principe de fonctionnement purement mécanique, avec levier, les outils manuels actuels restent d'une utilisation pénible, tout en ne procurant, dans un même mouvement de commande, qu'une course de travail limitée. Or il est souhaitable de pouvoir positionner les attaches en différentes positions par rapport au rail, ce qui oblige au minimum à changer la partie active de l'outil pour atteindre ces différentes positions, et peut rendre nécessaire le changement d'outil complet pour répondre à tous les cas de positionnement rencontrés dans la pratique.
    The present invention is concerned with this last category of equipment, and therefore with manual tools for inserting and extracting rail fasteners. It aims to avoid the disadvantages of existing hand tools, which are the following:
    • The current hand tools require, when in use, that the operator moves from one side to the other of the rail, to act either on an inner clip or on an external clip. Added to this is the fact that these tools have a control arm long enough to allow the operator to exercise the appropriate force, according to the lever principle of said tools. As a result, the operator is placed, once in two, between the two rails of the railway concerned, but also every other time on the outside of these rails. If it involves work on a double or multiple railway, the operator leaves the template of the track to be treated, and it engages in the template of the contiguous railway, which is a dangerous situation from the point of view of the safety of persons, since train movements can take place on this contiguous railroad (even if the railroad to be treated is obviously neutralized).
    • Existing hand tools are specialized tools for a single task, that is, tools that only allow insertion, or only extraction of fasteners. It is therefore necessary to have two different types of tools, and use them alternately depending on whether one must perform an insertion operation or an extraction operation of a fastener.
    • Due to their purely mechanical operating principle, with lever, the current manual tools remain a painful use, while providing, in the same control movement, a limited working stroke. Now it is desirable to be able to position the fasteners in different positions relative to the rail, which requires at least to change the active part of the tool to achieve these different positions, and may make it necessary to change the complete tool to meet all the cases of positioning encountered in practice.

    La présente invention a pour but d'éliminer l'ensemble des inconvénients précédemment exposés, en fournissant un outil manuel pour l'insertion et l'extraction d'attaches de rails, du genre ici concerné, qui en particulier procure une amélioration importante des conditions de sécurité pour l'opérateur de l'outil, qui permet aussi d'effectuer indifféremment les opérations d'insertion et d'extraction d'attaches, sans modification ni remplacement d'outil, et qui permet aussi de réduire considérablement la pénibilité du travail de l'opérateur, pour une même force exercée sur la partie active de l'outil, tout en disposant d'une course plus importante de cette partie active, autorisant des positionnements très variables des attaches par rapport au rail, sans changement de ladite partie active.The present invention aims to eliminate all previously mentioned disadvantages, by providing a manual tool for the insertion and extraction of rail fasteners, of the kind particular provides a significant improvement in the safety conditions for the operator of the tool, which also allows to carry out indifferently the operations insertion and extraction of fasteners, without modification or replacement of tools, and which also considerably reduces the hardness of the work of the operator, for the same force exerted on the active part of the tool, while having a greater race of this active part, allowing very variable positioning of the fasteners relative to the rail, without changing said active part.

    A cet effet, l'invention a pour objet un outil manuel pour l'insertion et l'extraction d'attaches de rails de voies ferrées, en particulier pour la pose et la dépose d'attaches élastiques, intérieures ou extérieures, qui comprend essentiellement, en combinaison :

    • un corps principal,
    • une partie active, prévue pour coopérer avec une attache à insérer ou à extraire, la partie active étant montée mobile sous le corps principal,
    • au sommet du corps principal, une tête ou partie tournante, orientable autour d'un axe sensiblement vertical,
    • un organe de commande manuelle, tel qu'une barre de poussée, monté ou montable sur la tête ou partie tournante et s'étendant sur le côté de cette tête ou partie tournante,
    • une transmission multiplicatrice de force, entre l'organe de commande manuelle et la partie active,
       la tête ou partie tournante étant positionnable angulairement indépendamment de la position d'utilisation de la partie active, de manière à placer l'organe de commande manuelle dans une orientation adaptée, en particulier à l'intérieur d'une zone sécurisée.For this purpose, the invention relates to a manual tool for the insertion and extraction of railway track fasteners, in particular for the installation and removal of elastic fasteners, internal or external, which essentially comprises , in combination:
    • a main body,
    • an active part, designed to cooperate with a fastener to be inserted or extracted, the active part being mounted movably under the main body,
    • at the top of the main body, a head or rotating part, orientable about a substantially vertical axis,
    • a manual control member, such as a push bar, mounted or mountable on the head or rotating part and extending on the side of this head or rotating part,
    • a multiplier force transmission between the manual control member and the active part,
    the head or rotating part being angularly positionable independently of the position of use of the active part, so as to place the manual control member in a suitable orientation, in particular within a secure area.

    Dans une forme de réalisation préférée de l'invention, le corps principal de l'outil manuel pour l'insertion et l'extraction d'attaches de rails comprend, d'une part, un bloc de base logeant un vérin hydraulique dont l'élément mobile est lié à la partie active, prévue pour coopérer avec l'attache à insérer ou à extraire, et d'autre part, une partie tournante qui surmonte le corps de base et qui renferme une centrale hydraulique avec réservoir d'huile et pompe, en relation avec le vérin hydraulique, la partie tournante étant pourvue à son sommet d'une tête munie d'un dispositif d'actionnement manuel de la pompe, avec un organe de commande manuelle tel que barre de poussée, et avec des éléments de transmission entre cet organe de commande et l'élément mobile de la pompe.In a preferred embodiment of the invention, the body main manual tool for insertion and removal of rail fasteners comprises, on the one hand, a base block housing a hydraulic cylinder of which the movable element is connected to the active part, intended to cooperate with the attachment to insert or extract, and secondly, a rotating part that overcomes the body base and which contains a hydraulic power station with oil tank and pump, in connection with the hydraulic cylinder, the rotating part being provided at the top of a head equipped with a device for manually actuating the pump, with a manual control member such as a push bar, and with transmission elements between this control member and the element mobile pump.

    Avantageusement, le vérin hydraulique comprend un cylindre fixe, logé dans le bloc de base du corps principal, et un piston coulissant qui possède une extrémité extérieure sur laquelle est fixée, de manière démontable et interchangeable, la partie active.Advantageously, the hydraulic cylinder comprises a fixed cylinder, housed in the base block of the main body, and a sliding piston which has an outer end to which is attached, so removable and interchangeable, the active part.

    Le dispositif d'actionnement manuel est réalisable avec un levier mobile dans un plan sensiblement vertical, dont un bras est prévu pour recevoir l'organe de commande manuelle tel que barre de poussée, et dont un point est lié à un piston plongeur d'une pompe disposée sensiblement verticalement, dans l'axe de la partie tournante. Un autre point du levier peut être relié de façon articulée, par l'intermédiaire d'une bielle, à la tête de la partie tournante. The manual actuating device is achievable with a lever movable in a substantially vertical plane, an arm is provided to receive the manual control member such as a push bar, and a point of which is connected to a plunger of a pump disposed substantially vertically, in the axis of the rotating part. Another point of the lever can be connected from articulated way, via a connecting rod, to the head of the rotating part.

    Dans l'ensemble, on obtient ainsi un outil manuel pour l'insertion et l'extraction d'attaches de rails, qui réunit les avantages suivants :

    • Qu'il s'agisse d'effectuer une opération d'insertion ou d'extraction pour une attache intérieure ou pour une attache extérieure, la tête tournante de l'outil peut toujours être orientée, avec l'organe de commande tel que barre de poussée, vers la zone située entre les deux rails de la voie ferrée en travaux, de sorte que l'opérateur soit toujours posté entre ces deux rails, donc dans le gabarit de la voie ferrée sur laquelle il travaille, et non dans le gabarit d'une voie ferrée contiguë, ce qui améliore notablement les conditions de sécurité.
    • L'outil manuel objet de l'invention permet d'effectuer indifféremment les deux opérations d'insertion et d'extraction des attaches, sans changement d'outil, simplement en tournant cet outil manuel du bon côté pour que la partie active trouve sa bonne position d'utilisation, et bien entendu en conservant les conditions de sécurité pour l'opérateur, comme expliqué ci-dessus.
    • Dans sa forme d'exécution préférentielle, l'outil manuel objet de l'invention fonctionne non pas sur le seul principe du levier mécanique, mais avec une assistance hydraulique, ce qui réduit considérablement la pénibilité du travail de l'opérateur, pour une même force exercée sur la partie active de l'outil. En particulier, la disposition axiale de la pompe permet d'actionner celle-ci de manière adaptée, quelle que soit l'orientation donnée (pour le respect des conditions de sécurité) à la partie tournante et à l'organe de commande tel que barre de poussée.
    • De plus, l'assistance hydraulique procure à la partie active de l'outil une course plus importante, qui permet de positionner les attaches dans différentes positions par rapport au rail, ceci dans le même mouvement, sans nécessité de changer la partie active de l'outil, ou même l'outil complet, pour atteindre ces différentes positions.
    Overall, a manual tool for inserting and extracting rail fasteners is obtained, which has the following advantages:
    • Whether performing an insertion or extraction operation for an inner fastener or for an external fastener, the rotating head of the tool can always be oriented, with the control member such as thrust, towards the area between the two rails of the railroad under construction, so that the operator is always posted between these two rails, therefore in the gauge of the railway on which he works, and not in the gauge of a contiguous railroad, which significantly improves safety conditions.
    • The manual tool object of the invention allows to carry out indifferently the two operations of insertion and extraction of the fasteners, without tool change, simply by turning this manual tool on the right side so that the active part finds its good position of use, and of course maintaining the safety conditions for the operator, as explained above.
    • In its preferred embodiment, the manual tool object of the invention operates not on the sole principle of the mechanical lever, but with a hydraulic assistance, which considerably reduces the difficulty of the work of the operator, for the same force exerted on the active part of the tool. In particular, the axial arrangement of the pump makes it possible to actuate it in a suitable manner, whatever the orientation given (for compliance with the safety conditions) to the rotating part and to the control member such as bar thrust.
    • In addition, the hydraulic assistance provides the active part of the tool a greater stroke, which allows to position the fasteners in different positions relative to the rail, this in the same movement, without the need to change the active part of the tool, or even the complete tool, to reach these different positions.

    L'invention sera mieux comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemple, une forme d'exécution de cet outil manuel pour l'insertion et l'extraction d'attaches de rails :

  • Figure 1 est une vue d'ensemble, en perspective, d'un outil manuel conforme à la présente invention ;
  • Figure 2 est une vue en coupe verticale de cet outil ;
  • Figures 3 et 4 sont des schémas illustrant l'utilisation de l'outil, pour l'insertion d'attaches ;
  • Figures 5 et 6 sont des schémas similaires aux précédents, mais qui illustrent l'utilisation du même outil pour l'extraction d'attaches.
    • The invention will be better understood with the aid of the description which follows, with reference to the appended schematic drawing representing, by way of example, an embodiment of this manual tool for inserting and extracting fasteners. of rails:
  • Figure 1 is an overview, in perspective, of a hand tool according to the present invention;
  • Figure 2 is a vertical sectional view of this tool;
  • Figures 3 and 4 are diagrams illustrating the use of the tool for insertion of fasteners;
  • Figures 5 and 6 are diagrams similar to the previous ones, but which illustrate the use of the same tool for the extraction of fasteners.

    • L'outil manuel pour l'insertion et l'extraction d'attaches de rails, représenté au dessin et en particulier sur les figures 1 et 2, est désigné dans son ensemble par la référence numérique 2. Cet outil manuel 2 comprend un corps principal, constitué par un bloc de base 3 surmonté d'une partie tournante 4.The manual tool for the insertion and extraction of rail fasteners, shown in the drawing and in particular in Figures 1 and 2, is designated in set by the numerical reference 2. This manual tool 2 includes a main body, consisting of a base block 3 surmounted by a part rotating 4.

    Le bloc de base 3 loge un cylindre fixe 5, d'axe sensiblement horizontal, dans lequel est monté coulissant un piston 6, soumis à l'action d'un ressort de rappel 7, qui repousse le piston 6 vers le fond du cylindre 5, l'ensemble constituant un vérin hydraulique.The base block 3 houses a fixed cylinder 5, of substantially axis horizontal, in which is slidably mounted a piston 6, subjected to the action of a return spring 7, which pushes the piston 6 towards the bottom of the cylinder 5, the assembly constituting a hydraulic cylinder.

    Sur l'extrémité extérieure du piston 6 se trouve fixée, au moyen d'une vis 8, une came d'insertion 9 qui est la partie active de l'outil, coopérant avec l'attache à insérer ou à extraire, notamment par une extrémité 9a pliée à angle droit vers le bas.On the outer end of the piston 6 is fixed, by means of a screw 8, an insertion cam 9 which is the active part of the tool, cooperating with the clip to be inserted or extracted, in particular by an end 9a bent to right angle down.

    La came d'insertion 9 est montée coulissante, sous le fond du bloc de base 3, entre deux plaques extérieures 11 à griffes, fixées latéralement de part et d'autre du bloc de base 3 au moyen de vis 12. Dans la came d'insertion 9 est ménagée une lumière longitudinale 9b, traversée par un organe 13 de guidage et de retenue, disposé entre les deux plaques extérieures 11 à griffes.The insertion cam 9 is slidably mounted under the bottom of the block base 3, between two outer plates 11 with claws, laterally fixed both sides of the base block 3 by means of screws 12. In the insertion cam 9 is formed a longitudinal lumen 9b, crossed by a member 13 of guide and retaining, disposed between the two outer plates 11 with claws.

    La partie tournante 4 du corps principal est évidée, de manière à délimiter, avec la face supérieure du bloc de base 3, un volume cylindrique constituant un réservoir d'huile 14. La base de la partie tournante 4 forme une collerette 4a, montée tournante au sommet du bloc de base 3, en forme de couronne 3a, où elle est retenue par une bride annulaire 15 vissée. Un joint d'étanchéité 16, du genre joint tournant, est inséré entre la collerette 4a et la couronne 3a supérieure du bloc de base 3.The rotating part 4 of the main body is recessed, so as to delimit, with the upper face of the base block 3, a cylindrical volume constituting an oil reservoir 14. The base of the rotating part 4 forms a flange 4a, rotatably mounted at the top of the base block 3, shaped 3a crown, where it is retained by a screwed annular flange 15. A seal 16, of the rotary joint type, is inserted between the flange 4a and the upper crown 3a of the base block 3.

    La partie tournante 4, plus particulièrement son réservoir 14, loge suivant son axe A sensiblement vertical une pompe 17 avec un corps cylindrique 18 et un piston plongeur 19. A l'intérieur du réservoir 14 est aussi logé un clapet de sécurité 20.The rotating part 4, more particularly its tank 14, houses along its axis A substantially vertical a pump 17 with a body cylindrical 18 and a plunger 19. Inside the tank 14 is also housed a safety valve 20.

    La partie tournante 4 du corps principal forme à son sommet une tête 4b, sur laquelle est monté un dispositif 21 d'actionnement manuel de la pompe 17. Le dispositif 21 comprend un levier 22, dont un point intermédiaire est articulé, autour d'un axe horizontal 23, au sommet du piston plongeur 19. L'un des bras du levier 22 a son extrémité articulée, autour d'un axe longitudinal 24, à une bielle 25 qui est elle-même articulée, autour d'un autre axe horizontal 26, sur la tête 4b de la partie tournante 4. L'autre bras 22a du levier 22 forme un manchon, prévu pour recevoir une barre de poussée démontable, schématisée par son axe 27.The rotating part 4 of the main body forms at its summit a 4b, on which is mounted a device 21 for manual actuation of the pump 17. The device 21 comprises a lever 22, of which an intermediate point is articulated around a horizontal axis 23 at the top of the plunger 19. One of the arms of the lever 22 has its articulated end, around an axis longitudinal 24, a rod 25 which is itself articulated, around another horizontal axis 26, on the head 4b of the rotating part 4. The other arm 22a of the lever 22 forms a sleeve, provided to receive a push bar removable, schematized by its axis 27.

    L'ensemble hydraulique comprend encore des clapets (non représentés) nécessaires au fonctionnement de la pompe 17, ainsi que des canaux internes (non représentés), percés dans le bloc de base 3, qui relient la pompe 17 et le réservoir d'huile 14 au cylindre 5.The hydraulic assembly still includes valves (no represented) necessary for the operation of the pump 17, as well as internal channels (not shown), drilled in the base block 3, which connect the pump 17 and the oil reservoir 14 to the cylinder 5.

    L'actionnement manuel de la pompe 17, par l'opérateur agissant sur la barre de poussée 27, assure l'injection d'huile (aspirée dans le réservoir 14) dans la chambre d'huile du cylindre 5, de manière à pousser le piston 6 vers l'extérieur, à l'encontre de l'action du ressort de rappel 7. La came d'insertion 9 est ainsi déplacée en translation, et elle peut pousser par son extrémité 9a, dans le sens approprié, l'attache à insérer ou à extraire. Une commande (non détaillée) permet aussi de mettre en communication la chambre d'huile du cylindre 5 avec le réservoir 14, pour permettre à l'huile de retourner au réservoir 14, le piston 6 étant repoussé vers le fond du cylindre 5 par son ressort de rappel 7, et la came d'insertion 9 revenant alors en position initiale.The manual actuation of the pump 17, by the operator acting on the push rod 27, ensures the injection of oil (sucked into the tank 14) in the oil chamber of the cylinder 5, so as to push the piston 6 outward, against the action of the return spring 7. The cam insertion 9 is thus displaced in translation, and it can push by its end 9a, in the appropriate direction, the clip to insert or extract. A command (not detailed) also allows to put in communication the cylinder 5 oil chamber with the tank 14, to allow the oil of return to the tank 14, the piston 6 being pushed towards the bottom of the cylinder 5 by its return spring 7, and the insertion cam 9 then returning to position initial.

    En cours d'utilisation de l'outil manuel 2, et comme le suggèrent les figures suivantes 3 à 6, les griffes des plaques extérieures 11 viennent se loger dans un épaulement du support fixe de l'attache, support qui est solidaire de la traverse de voie ferrée, pour reprendre la réaction de l'effort exercé sur l'attache. Par ailleurs, le montage tournant de la partie 4, autour d'un axe A sensiblement vertical, relativement au bloc de base 3 du corps principal de l'outil, permet de donner toute orientation souhaitable à la partie tournante 4, donc à la barre de poussée 27, par rapport au bloc de base 3.In use of the manual tool 2, and as suggested by the following figures 3 to 6, the claws of the outer plates 11 are housed in a shoulder of the fixed support of the fastener, which support is integral with the railway crossing, to take up the reaction of the force exerted on the fastener. Moreover, the rotating assembly of part 4, around an axis A substantially vertical, relative to the base block 3 of the main body of the tool, makes it possible to give any desirable orientation to the rotating part 4, therefore at the thrust bar 27, with respect to the base block 3.

    Les figures 3 à 6 illustrent l'utilisation de l'outil manuel 2 précédemment décrit. Ces figures montrent, schématiquement, un rail 28 d'une voie ferrée, posé sur une traverse 29 représentée partiellement. Le rail 28 est fixé sur la traverse 29 au moyen d'attaches 30 et 31, respectivement intérieure et extérieure, qui sont appliquées respectivement sur les deux ailes du patin 28a du rail 28. Chaque attache 30 ou 31 s'insère dans un support fixe, respectivement 32 ou 33, noyé dans la traverse 29. On distingue ici le côté "intérieur", situé à droite sur les figures 3 à 6, et le côté "extérieur", à gauche sur ces figures.Figures 3 to 6 illustrate the use of the manual tool 2 previously described. These figures show, schematically, a rail 28 of a railroad, laid on a crosspiece 29 partially shown. The rail 28 is fixed on the crossbar 29 by means of fasteners 30 and 31, respectively inner and outer, which are applied respectively on the two wings of the skate 28a of the rail 28. Each fastener 30 or 31 is inserted into a fixed support, respectively 32 or 33, embedded in the crossbar 29. There is here the side "inside", located on the right in figures 3 to 6, and the "outside" side, on the left in these figures.

    Plus particulièrement, la figure 3 montre la position de l'outil manuel 2, en début d'opération d'insertion d'une attache 30 ou 31. Comme le montre cette figure, les positions angulaires du bloc de base 3 sont diamétralement opposées, selon qu'il s'agit d'insérer une attache 30 intérieure ou une attache 31 extérieure. Par contre, qu'il s'agisse d'insérer l'attache 30 intérieure ou l'attache 31 extérieure, la partie tournante 4 est toujours orientée de telle sorte que la barre de poussée 27 s'étende vers l'intérieur, pour que l'opérateur se poste sur la voie ferrée concernée, entre le rail 28 et l'autre rail (non représenté, et situé plus à droite) de cette voie ferrée. Par ailleurs, la figure 3 montre clairement la position initiale de la came d'insertion 9.More particularly, Figure 3 shows the position of the hand tool 2, at the beginning of the insertion operation of a fastener 30 or 31. As shown this figure, the angular positions of the base block 3 are diametrically opposite, depending on whether to insert an inner clip or fastener 31 outdoor. On the other hand, whether it is to insert the inner fastener or the outer fastener 31, the rotating part 4 is always oriented so that that the push bar 27 extends inwards, so that the operator station on the railway concerned, between rail 28 and the other rail (no represented, and located further to the right) of this railway. In addition, Figure 3 clearly shows the initial position of the insertion cam 9.

    La figure 4 montre la position de l'outil manuel 2 en fin d'opération d'insertion de l'attache 30 ou 31, et elle montre en particulier la position finale de la came d'insertion 9, le piston 6 étant sorti partiellement du bloc de base 3.FIG. 4 shows the position of the manual tool 2 at the end of the operation insertion of the fastener 30 or 31, and it shows in particular the final position of the insertion cam 9, the piston 6 being partially out of the base block 3.

    La figure 5 montre la position de l'outil manuel 2, en début d'opération d'extraction d'une attache 30 ou 31. Comme le montre cette figure, les positions angulaires du bloc de base 3 sont diamétralement opposées, selon qu'il s'agit d'extraire une attache 30 intérieure ou une attache 31 extérieure, ces positions étant inversées, en comparaison aux positions utilisées pour l'insertion des attaches. Toutefois, comme précédemment, qu'il s'agisse d'extraire l'attache 30 intérieure ou l'attache 31 extérieure, la partie tournante 4 est toujours orientée de telle sorte que la barre de poussée 27 s'étende vers l'intérieur, pour que l'opérateur se poste sur la voie ferrée concernée, entre le rail 28 et l'autre rail (non représenté, et situé plus à droite) de cette voie ferrée. Par ailleurs, la figure 5 montre clairement la position initiale de la came d'insertion 9.Figure 5 shows the position of the manual tool 2, at the beginning extraction operation of a fastener 30 or 31. As shown in this figure, the angular positions of the base block 3 are diametrically opposed, depending on whether to extract an inner clip 30 or a clip 31 outside, these positions being reversed, compared to the positions used for insertion of fasteners. However, as before, he whether to extract the inner clip 30 or the outer clip 31, the part rotating 4 is always oriented so that the push bar 27 extends inward, so that the operator is stationed on the railway concerned, between the rail 28 and the other rail (not shown, and located to the right) of this railway. In addition, Figure 5 clearly shows the position initial of the insertion cam 9.

    Enfin, la figure 6 montre la position de l'outil manuel 2 en fin d'opération d'extraction de l'attache 30 ou 31, et elle montre en particulier la position finale de la came d'insertion 9, le piston 6 étant sorti partiellement du bloc de base 3.Finally, Figure 6 shows the position of the manual tool 2 at the end extraction operation of the fastener 30 or 31, and shows in particular the end position of the insertion cam 9, the piston 6 being partially out of the basic block 3.

    On notera que la came d'insertion 9, fixée de manière amovible au moyen de la vis 8, peut être démontée et échangée en fonction des divers types existants d'attaches et de rails, le reste de l'outil manuel 2 étant inchangé. It will be noted that the insertion cam 9, removably attached to the screw 8, can be dismantled and exchanged according to the various existing types of fasteners and rails, the rest of the manual tool 2 being unchanged.

    L'on ne s'éloignerait pas du cadre de l'invention, telle que définie dans les revendications annexées :

    • en modifiant les formes de détail des différentes parties de l'outil manuel ;
    • en remplaçant l'assistance hydraulique à l'actionnement de la came d'insertion par une assistance de type pneumatique, ou une assistance mécanique notamment avec un dispositif de démultiplication à cliquet ou tout autre genre de système d'assistance, capable d'amplifier l'effort manuel initial exercé par l'opérateur ;
    • en adaptant l'outil manuel, notamment sa came d'insertion et ses plaques extérieures à griffes, à tous types et dimensions d'attaches, de supports d'attaches et de rails.
    One would not depart from the scope of the invention, as defined in the appended claims:
    • by modifying the forms of detail of the different parts of the manual tool;
    • by replacing the hydraulic assistance with the actuation of the insertion cam by a pneumatic-type assistance, or a mechanical assistance in particular with a ratchet gearing device or any other kind of assistance system, capable of amplifying the initial manual effort exerted by the operator;
    • by adapting the hand tool, including its insertion cam and external claw plates, to all types and sizes of fasteners, fasteners and rails.

    Claims (8)

    Outil manuel pour l'insertion et l'extraction d'attaches de rails, en particulier pour la pose et la dépose d'attaches élastiques, intérieures ou extérieures, caractérisé en ce qu'il comprend, en combinaison : un corps principal (3, 4), une partie active (9, 9a), prévue pour coopérer avec une attache (30 ; 31) à insérer ou à extraire, la partie active (9, 9a) étant montée mobile sous le corps principal (3, 4), au sommet du corps principal (3, 4), une tête ou partie tournante (4, 4b), orientable autour d'un axe (A) sensiblement vertical, un organe de commande manuelle, tel qu'une barre de poussée (27), monté ou montable sur la tête ou partie tournante (4, 4b) et s'étendant sur le côté de cette tête ou partie tournante (4b), une transmission multiplicatrice de force, entre l'organe de commande manuelle (27) et la partie active (9, 9a), la tête ou partie tournante (4, 4b) étant positionnable angulairement indépendamment de la position d'utilisation de la partie active (9, 9a), de manière à placer l'organe de commande manuelle (27) dans une orientation adaptée, en particulier à l'intérieur d'une zone sécurisée.Manual tool for the insertion and extraction of rail fasteners, in particular for the installation and removal of elastic fasteners, inside or outside, characterized in that it comprises, in combination: a main body (3, 4), an active part (9, 9a) intended to cooperate with a fastener (30; 31) to be inserted or extracted, the active part (9, 9a) being mounted movably under the main body (3, 4), at the top of the main body (3, 4), a head or rotating part (4, 4b), orientable about a substantially vertical axis (A), a manual control member, such as a push bar (27), mounted or mountable on the head or rotating part (4, 4b) and extending on the side of this head or rotating part (4b), a multiplier force transmission between the manual control member (27) and the active part (9, 9a), the rotating head or part (4, 4b) being angularly positionable independently of the position of use of the active part (9, 9a), so as to place the manual control member (27) in a suitable orientation, in particular inside a secure area. Outil manuel selon la revendication 1, caractérisé en ce que le corps principal comprend, d'une part, un bloc de base (3) logeant un vérin hydraulique (5, 6, 7) dont l'élément mobile (6) est lié (en 8) à la partie active (9, 9a), prévue pour coopérer avec l'attache (30 ; 31) à insérer ou à extraire, et d'autre part, une partie tournante (4) qui surmonte le bloc de base (3) et qui renferme une centrale hydraulique avec réservoir d'huile (14) et pompe (17), en relation avec le vérin hydraulique (5, 6, 7), la partie tournante (4) étant pourvue à son sommet d'une tête (4b) munie d'un dispositif d'actionnement manuel (21) de la pompe (17), avec un organe de commande manuelle tel que barre de poussée (27), et avec des éléments de transmission (22, 23) entre cet organe de commande et l'élément mobile (19) de la pompe (17).Hand tool according to claim 1, characterized in that the main body comprises, on the one hand, a base block (3) housing a hydraulic cylinder (5, 6, 7) whose movable element (6) is connected ( in 8) to the active part (9, 9a), intended to cooperate with the fastener (30; 31) to be inserted or extracted, and on the other hand, a rotating part (4) which overcomes the base block ( 3) and which encloses a hydraulic unit with oil reservoir (14) and pump (17), in relation to the hydraulic cylinder (5, 6, 7), the rotating part (4) being provided at its top with a head (4b) provided with a manual actuating device (21) of the pump (17), with a manual control member such as push bar (27), and with transmission elements (22, 23) between this control member and the movable member (19) of the pump (17). Outil manuel selon la revendication 2, caractérisé en ce que le vérin hydraulique comprend un cylindre fixe (5), logé dans le bloc de base (3) du corps principal, et un piston coulissant (6) qui possède une extrémité extérieure sur laquelle est fixée (en 8), de manière démontable et interchangeable, la partie active (9, 9a).Hand tool according to claim 2, characterized in that the hydraulic cylinder comprises a fixed cylinder (5), housed in the base block (3) of the main body, and a sliding piston (6) which has an outer end on which is fixed (8), removably and interchangeably, the active part (9, 9a). Outil manuel selon la revendication 3, caractérisé en ce que la partie active de cet outil est une came d'insertion (9), coopérant avec l'attache (30 ; 31) à insérer ou à extraire par une extrémité (9a) pliée à angle droit vers le bas, la came d'insertion (9) étant montée coulissante entre deux plaques extérieures (11) à griffes, fixées latéralement de part et d'autre du bloc de base (3).Manual tool according to claim 3, characterized in that the active part of this tool is an insertion cam (9) cooperating with the fastener (30; 31) to be inserted or extracted by an end (9a) bent at right angle downwards, the insertion cam (9) being slidably mounted between two outer plates (11) with claws, fixed laterally on either side of the base block (3). Outil manuel selon l'une quelconque des revendications 2 à 4, caractérisé en ce que le dispositif d'actionnement manuel (21) est réalisé avec un levier (22) mobile dans un plan sensiblement vertical, dont un bras (22a) est prévu pour recevoir l'organe de commande manuelle tel que barre de poussée (27), et dont un point (23) est lié à un piston plongeur (19) d'une pompe (17) disposée sensiblement verticalement, dans l'axe (A) de la partie tournante (4).Manual tool according to any one of claims 2 to 4, characterized in that the manual actuating device (21) is made with a lever (22) movable in a substantially vertical plane, one arm (22a) is provided for receiving the manual control member such as a push rod (27), and a point (23) of which is connected to a plunger (19) of a pump (17) arranged substantially vertically in the axis (A) of the rotating part (4). Outil manuel selon la revendication 5, caractérisé en ce qu'un autre point (24) du levier (22) est relié de façon articulée, par l'intermédiaire d'une bielle (25), à la tête (4b) de la partie tournante (4).Hand tool according to claim 5, characterized in that another point (24) of the lever (22) is hingedly connected, via a connecting rod (25), to the head (4b) of the part rotating (4). Outil manuel selon l'une quelconque des revendications 2 à 6, caractérisé en ce que la partie tournante (4) du corps principal est évidée de manière à délimiter, avec la face supérieure du bloc de base (3), un volume cylindrique constituant le réservoir d'huile (14).Hand tool according to any one of claims 2 to 6, characterized in that the rotating part (4) of the main body is recessed so as to delimit, with the upper face of the base block (3), a cylindrical volume constituting the oil tank (14). Outil manuel selon l'une quelconque des revendications 2 à 7, caractérisé en ce que la base de la partie tournante (4) forme une collerette (4a) montée tournante au sommet du bloc de base (3), en forme de couronne (3a), où elle est retenue par une bride annulaire (15), un joint d'étanchéité (16) du genre joint tournant étant inséré entre la collerette (4a) et la couronne supérieure (3a) du bloc de base (3).Hand tool according to any one of claims 2 to 7, characterized in that the base of the rotating part (4) forms a flange (4a) rotatably mounted at the top of the crown-shaped base block (3) (3a). ), where it is retained by an annular flange (15), a seal (16) of the rotary joint type being inserted between the flange (4a) and the upper ring (3a) of the base block (3).
    EP04356116A 2003-07-08 2004-06-30 Hand tool for inserting and extracting rail fastenings Expired - Lifetime EP1496157B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0308336A FR2857384B1 (en) 2003-07-08 2003-07-08 MANUAL TOOL FOR INSERTING AND EXTRACTING RAIL ATTACHES
    FR0308336 2003-07-08

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    EP1496157A1 true EP1496157A1 (en) 2005-01-12
    EP1496157B1 EP1496157B1 (en) 2006-08-02

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    US (1) US7076851B2 (en)
    EP (1) EP1496157B1 (en)
    AT (1) ATE335105T1 (en)
    AU (1) AU2004203107B8 (en)
    DE (1) DE602004001721D1 (en)
    FR (1) FR2857384B1 (en)

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    CN106270207B (en) * 2016-11-02 2018-01-09 中铁隆昌铁路器材有限公司 A kind of sequence frock of spring three
    CN106594093A (en) * 2016-12-12 2017-04-26 吴江市金澜机械制造有限公司 Synchronous assembling device
    WO2018107327A1 (en) * 2016-12-12 2018-06-21 吴江市金澜机械制造有限公司 Synchronous assembling device

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    FR2857384A1 (en) 2005-01-14
    ATE335105T1 (en) 2006-08-15
    DE602004001721D1 (en) 2006-09-14
    AU2004203107B2 (en) 2009-11-05
    US7076851B2 (en) 2006-07-18
    AU2004203107B8 (en) 2009-12-03
    EP1496157B1 (en) 2006-08-02
    US20050028343A1 (en) 2005-02-10
    FR2857384B1 (en) 2005-09-30
    AU2004203107A1 (en) 2005-01-27

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