EP0086718A1 - Retarding and retaining device for rail vehicles - Google Patents

Retarding and retaining device for rail vehicles Download PDF

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Publication number
EP0086718A1
EP0086718A1 EP83400299A EP83400299A EP0086718A1 EP 0086718 A1 EP0086718 A1 EP 0086718A1 EP 83400299 A EP83400299 A EP 83400299A EP 83400299 A EP83400299 A EP 83400299A EP 0086718 A1 EP0086718 A1 EP 0086718A1
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EP
European Patent Office
Prior art keywords
claws
rail
plate
housing
slowing
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Granted
Application number
EP83400299A
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German (de)
French (fr)
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EP0086718B1 (en
Inventor
Guy Prioretti
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Individual
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Individual
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Priority to AT83400299T priority Critical patent/ATE27582T1/en
Publication of EP0086718A1 publication Critical patent/EP0086718A1/en
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Publication of EP0086718B1 publication Critical patent/EP0086718B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/16—Positive railway stops
    • B61K7/20—Positive wheel stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like

Definitions

  • the present invention relates to braking and stopping devices intended to slow down and stop vehicles which run on rails.
  • a known device comprises a wedge-shaped body, one of the opposite sides of which rests on the upper rolling face of the rail and the other side of which is intended to come into contact with a wheel of the wagon to be stopped.
  • This corner is extended forward in the direction of its point by a tongue resting on the running rail and on which the car wheel must bear.
  • the device or shoe has a handling handle.
  • the shoe further comprises, on the part of the corner in contact with the running rail two strips of low height forming means for guiding and fitting the shoe on the rail.
  • This known device has a number of drawbacks.
  • the shoe rests on the rail by its own weight so that it risks being ejected by the untimely contact of any object, moved by vibrations or even removed by inattention.
  • this device is simply placed on the rail prohibits its use on a running track located above the ground, for example on a track for an overhead crane, because the risks of the device falling constitute a permanent danger for personnel and materials below.
  • a safety shoe for slowing down and stopping rolling machines on rails which comprises a body formed by a tongue bearing on the rail intended to be engaged under the wheel of the vehicle to be stopped and a cleat forming a stop for the vehicle wheel, a shoe for fixing the shoe to the rail being articulated on said body and a lock being provided for immobilizing the shoe in position closing.
  • this shoe has the disadvantage of comprising relatively complex parts forming part of the claw.
  • this shoe can not be used on portions of track whose rails have connecting fishplates because the shoe claw abuts on the fishplates without being able to avoid them.
  • the invention aims to remedy these drawbacks by creating a slowing and stopping device of the type described in the aforementioned patent application, which combines great simplicity of manufacture with rapid installation and removal compared with existing devices.
  • a slowing and stopping device for vehicles traveling on rails comprising a body intended to be placed on the rail in order to receive a wheel of a vehicle to slow down and stop and forming a stop for this wheel.
  • the securing means consist of a plate carrying elastic claws kept apart in the rest position, said plate being intended to be applied to the rail and being articulated on means for bringing said claws together for tightening on the rail flange, said bringing together means being integral with the body of the device.
  • the slowing and stopping device shown in Fig. 1 mainly comprises a support and braking body 1 constituted by a tongue 2 on which a wheel of a device to slow down or stop, a cleat must rest. inclined 3 forming a stop for the wheel of the machine, made integral with a sole 4 which has ledges 5 for guiding and fitting the shoe on the flange of the rail R.
  • a device for securing the shoe and the rail At the end of the body 1 opposite the tongue 2 is fixed a device for securing the shoe and the rail.
  • This securing device shown in detail in Fig. 2 to 4 comprises a plate 7 made of sheet steel constituted by a U- shaped piece 8 with uneven branches, reinforced by a vertical veil 9 welded inside the U-shaped piece.
  • the veil 9 is arranged along the longitudinal axis of symmetry of the plate 7 and consequently separates this plate into two equal parts.
  • two claws 10 and 11 On the plate are articulated on either side of the web 9, two claws 10 and 11 intended to come into engagement with the flange of the rail R in the manner shown in Fig.2.
  • the claws 10 and 11 are made of spring steel wire.
  • Each of the claws comprises a first rectilinear section 12 which crosses the branches of the U-shaped part 8 through orifices provided for this purpose; the first straight section 12 is extended by a loop 13 which, as shown in FIG. 2, has an inclined portion 14 which departs from the first section 12, this inclined portion being followed by a practically vertical portion 15, extended to its turn by a portion 16 folded down so as to be able to trap the flange of the rail R.
  • each of the claws 10 and 11 is mounted oscillating in the plate 7.
  • This plate has in its rear part a tubular part 19 welded to the U part 8 at level d e the junction of its rear branch with its horizontal part.
  • the piece 19 is crossed by a pin 20 by means of which the plate 7 is articulated on a box 21 of generally parallelepiped shape made integral with the rest of the shoe by means of a rod 22 welded by one of its ends to the box 21 and by its other end to the body 1 of the shoe.
  • the housing21 has in its lateral faces notches 21aöns to allow a separation of the claws 10 and 11 during the coming of the shoe at the height of connecting fishplates between two sections of rail.
  • the housing 21 Inside its front end wall, opposite the hinge pin 20, the housing 21 includes a part 23 for limiting the rotation of the plate 7 relative to the cover, so as to prevent this plate from completely out of the housing when removing the shoe.
  • openings 24 In the side walls of the housing 21 are formed openings 24 in which are mounted leaf springs 25 whose free ends bear on the approximately vertical sections 15 of each of the claws 10 and 11 in order to maintain their loop 13 in taken on the rail flange as shown in Fig. 2.
  • the slowing and stopping device shown in Figs. 2 to 4 has been designed to be able to be used on sections of tracks whose rails have connecting ribs.
  • its claws When the device is locked on a rail, its claws must be able to move apart when the device comes to the height of connecting fishplates.
  • each of the loops 13 of the claws 10 and 11 has in its lower section 16, a part 26 which can be clearly seen in Figs. 3 and 4 and which deviates from the axis of symmetry of the device .
  • the claws 11 and 12 may have the form shown in dashed line in Fig. 3.
  • the housing 21 may have solid side walls, without the notches 22 or the springs 25 for holding the claws.
  • the device which has just been described operates in the following manner.
  • the mounting of the claws 11 and 12 in the plate as well as their shape are such that when said claws are free, they tend to take, because of their elasticity, positions spaced apart from one another, so to allow the passage of the rod of the rail R. between them.
  • the device can be grasped by the operator by the rod 22 of connection between the housing 21 and the body 1 which also serves as a handle.
  • the cover then occupies the position shown in phantom in Fig.3, the claws 10 and 11 are spaced apart due to their natural elasticity.
  • the plate 7 abuts by the front branch of the U-shaped part 8 against the stop 23, so that it can only partially exit from the housing 21 and does not interfere with the manipulation of the device.
  • the device When the device according to the invention is to be placed on a rail, the device is placed so that the plate 7 is supported on the rail, the claws 11 and 12 being in the open position, then the assembly constituted by the body 1, the tongue 2 and the housing 21, so that this assembly comes into contact with the rail R.
  • the tongue 2 is pressed against the rail, the edges 5 of the sole 4 trap the flange of said rail and the housing 21, by turning around the pin 20 causes the claws 11,12 to come together, so that the portions 16 of said claws grip the flange of the rail as shown in Fig.2.
  • the device is then in place and can perform its slow motion function and stop.
  • the assembly constituted by the tongue 2, the body 1 and the housing 21 by the rod 22 forming a handle.
  • the housing 21 rotates relative to the plate 7 around the spindle 20 and its side walls release the claws 11 and 12. These, due to their elasticity, deviate from one another and therefore no longer trap the flange of the rail R.
  • the device which has just been described is extremely simple to handle, because its installation and its connection with a rail are ensured by a single and same gesture, which consists simply in placing the sole 4 on the rail, the approximation between the claws 11,12 being produced during the relative movement of the plate 7 inside the housing 21, under the effect of the weight of the assembly.
  • the removal of the device is also ensured by simple pulling on the handle 22 which causes the lifting of the assembly, tongue 2, body 1 and housing 21, which causes the release of the claws 11 and 12, and consequently their spacing under the effect of their elasticity.
  • the device according to the invention is produced using very simple parts, requiring no machining operation for their assembly, so that the device has a low cost price.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Braking Arrangements (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Chain Conveyers (AREA)
  • Seats For Vehicles (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Sawing (AREA)

Abstract

The device comprises a body (1) for placing on a rail (R) for the purpose of receiving a wheel of a machine to be slowed down and stopped and forming an abutment for the wheel, and an arrangement for connecting the device to the rail. The connecting arrangement comprises a plate (7) carrying elastically yieldable claws (10 and 11) which are maintained spread apart in their position of rest. The plate (7) is adapted to be applied against the rail (R) and is pivotally connected to an arrangement (21) for moving the claws (10 and 11) towards each other for the purpose of closing them around the head of the rail. The arrangement (21) is connected to the body (1) of the device.

Description

La présente invention concerne les dispositifs de freinage et d'arrêt destinés à ralentir et à arrêter des engins qui roulent sur des rails.The present invention relates to braking and stopping devices intended to slow down and stop vehicles which run on rails.

On connaît des dispositifs de ce genre notamment pour assurer le freinage et l'arrêt des wagons de chemin de fer.Devices of this type are known in particular for braking and stopping railway wagons.

Un dispositif connu comporte un corps en forme de coin dont l'un des côtés opposés repose sur la face supérieure de roulement du rail et dont l'autre côté est destiné à entrer en contact avec une roue du wagon à arrêter.A known device comprises a wedge-shaped body, one of the opposite sides of which rests on the upper rolling face of the rail and the other side of which is intended to come into contact with a wheel of the wagon to be stopped.

Ce coin est prolongé vers l'avant dans le sens de sa pointe par une languette reposant sur le rail de roulement et sur laquelle doit venir prendre appui la roue du wagon. A l'arrière du coin, à l'opposé de la languette, le dispositif ou sabot comporte une poignée de manutention.This corner is extended forward in the direction of its point by a tongue resting on the running rail and on which the car wheel must bear. At the rear of the corner, opposite the tongue, the device or shoe has a handling handle.

Le sabot comporte en outre, sur la partie du coin en contact avec le rail de roulement deux listels de faible hauteur formant moyen de guidage et d'emboîtement du sabot sur le rail.The shoe further comprises, on the part of the corner in contact with the running rail two strips of low height forming means for guiding and fitting the shoe on the rail.

Ce dispositif connu présente un certain nombre d'inconvénients.This known device has a number of drawbacks.

Le sabot repose sur le rail par son propre poids de sorte qu'il risque d'être éjecté par le contact intempestif d'un objet quelconque, déplacé par des vibrations ou encore enlevé par inattention.The shoe rests on the rail by its own weight so that it risks being ejected by the untimely contact of any object, moved by vibrations or even removed by inattention.

Par ailleurs, le fait que ce dispositif est simplement posé sur le rail interdit son utilisation sur une voie de roulement se trouvant au-dessus du sol, par exemple sur une voie pour pont roulant, car les risques de chute du dispositif constituent un danger permanent pour le personnel et les matériels se trouvant au-dessous.Furthermore, the fact that this device is simply placed on the rail prohibits its use on a running track located above the ground, for example on a track for an overhead crane, because the risks of the device falling constitute a permanent danger for personnel and materials below.

Afin de remédier à ces inconvénients, on a proposé des dispositifs de freinage et d'arrêt dont la liaison avec le rail de roulement est assurée par pinçage du rail, ce qui nécessite des pièces et un outillage particuliers ainsi qu'un temps de montage trop important pour permettre de déplacer le dispositif à volonté selon la nécessité du moment.In order to remedy these drawbacks, braking and stopping devices have been proposed, the connection with the running rail of which is ensured by pinching the rail, which requires special parts and tools as well as too long an assembly time to allow the device to be moved at will according to the need of the moment.

D'autres dispositifs connus sont fixés au rail au moyen de boulons traversant le rail ou son support. Un tel agencement, outre qu'il nécessite un choix précis et un aménagement de l'emplacement destiné à recevoir le sabot, ne peut assurer qu'une fonction d'arrêt d'un engin préalablement freiné par un autre dispositif.Other known devices are fixed to the rail by means of bolts passing through the rail or its support. Such an arrangement, in addition to requiring a precise choice and an arrangement of the location intended to receive the shoe, can only provide a stop function for a device previously braked by another device.

On a décrit à la demande de brevet 80 23 553 déposée le 4 Novembre 1980, un sabot de sécurité pour le ralentissement et l'arrêt d'engins roulants sur rails qui comporte un corps formé d'une languette prenant appui sur la rail destinée à être engagée sous la roue de l'engin à arrêter et d'un taquet formant butoir pour la roue de l'engin, une griffe de fixation du sabot au rail étant articulée sur ledit corps et un verrou étant prévu pour immobiliser la griffe en position de fermeture.There has been described in patent application 80 23 553 filed on November 4, 1980, a safety shoe for slowing down and stopping rolling machines on rails which comprises a body formed by a tongue bearing on the rail intended to be engaged under the wheel of the vehicle to be stopped and a cleat forming a stop for the vehicle wheel, a shoe for fixing the shoe to the rail being articulated on said body and a lock being provided for immobilizing the shoe in position closing.

Bien qu'il donne de bons résultats, ce sabot présente l'inconvénient de comporter des pièces relativement complexes entrant dans la constitution de la griffe.Although it gives good results, this shoe has the disadvantage of comprising relatively complex parts forming part of the claw.

Par ailleurs, la pose et le retrait du sabot font appel à un certain nombre de manipulations qui rendent ces opérations relativement longues à effectuer.In addition, the installation and removal of the shoe requires a certain number of manipulations which make these operations relatively long to perform.

Enfin, ce sabot ne peut pas être utilisé sur des portions de voie dont les rails comportent des éclisses de liaison car la griffe du sabot bute sur les éclisses sans pouvoir les éviter.Finally, this shoe can not be used on portions of track whose rails have connecting fishplates because the shoe claw abuts on the fishplates without being able to avoid them.

L'invention vise à remédier à ces inconvénients en créant un dispositif de ralentissement et d'arrêt du type décrit à la demande de brevet précitée, qui allie une grande simplicité de fabrication à une rapidité de pose et de retrait par rapport aux dispositifs existants.The invention aims to remedy these drawbacks by creating a slowing and stopping device of the type described in the aforementioned patent application, which combines great simplicity of manufacture with rapid installation and removal compared with existing devices.

Elle a donc pour objet un dispositif de ralentissement et d'arrêt pour engins roulant sur rails, comprenant un corps destiné à être placé sur le rail en vue de recevoir une roue d'un engin à ralentir et à arrêter et formant butoir pour cette roue, et des moyens de solidarisation du dispositif avec le rail, caractérisé en ce que les moyens de solidarisation sont constitués par une platine portant des griffes élastiques maintenues écartées en position de repos, ladite platine étant destinée à être appliquée sur le rail et étant articulée sur des moyens de rapprochement desdites griffes en vue de leur serrage sur le boudin du rail, lesdits moyens de rapprochement étant solidaires du corps du dispositif.It therefore relates to a slowing and stopping device for vehicles traveling on rails, comprising a body intended to be placed on the rail in order to receive a wheel of a vehicle to slow down and stop and forming a stop for this wheel. , and means for securing the device to the rail, characterized in that the securing means consist of a plate carrying elastic claws kept apart in the rest position, said plate being intended to be applied to the rail and being articulated on means for bringing said claws together for tightening on the rail flange, said bringing together means being integral with the body of the device.

D'autres caractéristiques de l'invention apparaîtront au cours de la description qui va suivre, faite en référence aux dessins annexés, donnés uniquement à titre d'exemple et sur lesquels :

  • - la Fig.1 est une vue extérieure, en élévation du dispositif de ralentissement et d'arrêt suivant l'invention;
  • - la Fig.2 est une vue en bout, à plus grande échelle du dispositif de la Fig.1 mis en place sur un rail;
  • - la Fig.3 est une vue en élévation et en coupe du dispositif de la Fig.2; et
  • - la Fig.4 est une coupe suivant la ligne 4-4 de la Fig.3.
Other characteristics of the invention will appear in the course of the description which follows, given with reference to the appended drawings, given solely by way of example and in which:
  • - Fig.1 is an external view, in elevation of the slowing and stopping device according to the invention;
  • - Fig.2 is an end view, on a larger scale of the device of Fig.1 placed on a rail;
  • - Fig.3 is an elevational and sectional view of the device of Fig.2; and
  • - Fig.4 is a section along line 4-4 of Fig.3.

Le dispositif de ralentissement et d'arrêt représenté à la Fig.1 comporte principalement un corps 1 d'appui et de freinage constitué par une languette 2 sur laquelle doit s'appuyer une roue d'un engin à ralentir ou à arrêter, un taquet incliné 3 formant butoir pour la roue de l'engin, rendu solidaire d'une semelle 4 qui comporte des rebords 5 de guidage et d'emboîtement du sabot sur le boudin du rail R.The slowing and stopping device shown in Fig. 1 mainly comprises a support and braking body 1 constituted by a tongue 2 on which a wheel of a device to slow down or stop, a cleat must rest. inclined 3 forming a stop for the wheel of the machine, made integral with a sole 4 which has ledges 5 for guiding and fitting the shoe on the flange of the rail R.

A l'extrémité du corps 1 opposéeà la languette 2 est fixé un dispositif de solidarisation du sabot et du rail. Ce dispositif de solidarisation représenté en détail aux Fig.2 à 4 comporte une platine 7 en tôle d' acier constituée par une pièce en U 8 à branches inégales, renforcée par un voile vertical 9 soudé à l'intérieur de la pièce en U. Le voile 9 est disposé selon l'axe de symétrie longitudinal de la platine 7 et sépare par conséquent cette platine en deux parties égales. Sur la platine sont articulées de part et d'autre du voile 9, deux griffes 10 et 11 destinées à venir en prise avec le boudin du rail R de la manière représentée à la Fig.2.At the end of the body 1 opposite the tongue 2 is fixed a device for securing the shoe and the rail. This securing device shown in detail in Fig. 2 to 4 comprises a plate 7 made of sheet steel constituted by a U- shaped piece 8 with uneven branches, reinforced by a vertical veil 9 welded inside the U-shaped piece. The veil 9 is arranged along the longitudinal axis of symmetry of the plate 7 and consequently separates this plate into two equal parts. On the plate are articulated on either side of the web 9, two claws 10 and 11 intended to come into engagement with the flange of the rail R in the manner shown in Fig.2.

Les griffes 10 et 11 sont réalisées en fil d'acier à ressort. Chacune des griffes comporte un premier tronçon rectiligne 12 qui traverse les branches de la pièce en U 8 par des orifices ménagés à cet effet; le premier tronçon rectiligne 12 est prolongé par une boucle 13 qui, comme représentée à la Fig.2, comporte une portion inclinée 14 qui s'écarte du premier tronçon 12, cette portion inclinée étant suivie d'une portion 15 pratiquement verticale, prolongée à son tour par une portion 16 rabattue de manière à pouvoir emprisonner le boudin du rail R. La boucle 13 dont les tronçons 14, 15 et 16 se trouvent à l'extérieur de la platine 7 se termine par un tronçon 17 à peu près vertical qui s'étend vers l'intérieur de la platine entre les deux branches de la pièce en U 8 et qui se prolonge par un second tronçon rectiligne horizontal 18 dont l'extrémité est engagée dans un orifice correspondant ménagé dans la branche arrière de la pièce en U 8 et décalé par rapport à celui recevant l'extrémité du premier tronçon 12. Ainsi, chacune des griffes 10 et 11 est montée oscillante dans la platine 7. Cette platine présente dans sa partie arrière une pièce tubulaire 19 soudée à la pièce en U 8 au niveau de la jonction de sa branche arrière avec sa partie horizontale. La pièce 19 est traversée par une broche 20 au moyen de laquelle la platine 7 est articulée sur un boîtier 21 de forme générale parallélépipédique rendu solidaire du reste du sabot à l'aide d'une tige 22 soudée par une de ses extrémités au boîtier 21 et par son autre extrémité au corps 1 du sabot. Le boîtier21 présente dans ses faces latérales des échancrures 21adestinées à permettre un écartement des griffes 10 et 11 lors de la venue du sabot à la hauteur d'éclisses de liaison entre deux tronçons de rail.The claws 10 and 11 are made of spring steel wire. Each of the claws comprises a first rectilinear section 12 which crosses the branches of the U-shaped part 8 through orifices provided for this purpose; the first straight section 12 is extended by a loop 13 which, as shown in FIG. 2, has an inclined portion 14 which departs from the first section 12, this inclined portion being followed by a practically vertical portion 15, extended to its turn by a portion 16 folded down so as to be able to trap the flange of the rail R. The loop 13, the sections 14, 15 and 16 of which are outside the plate 7 ends in a roughly vertical section 17 which extends towards the inside of the plate between the two branches of the U-shaped piece 8 and which is extended by a second horizontal rectilinear section 18 the end of which is engaged in a corresponding orifice formed in the rear branch of the piece in U 8 and offset with respect to that receiving the end of the first section 12. Thus, each of the claws 10 and 11 is mounted oscillating in the plate 7. This plate has in its rear part a tubular part 19 welded to the U part 8 at level d e the junction of its rear branch with its horizontal part. The piece 19 is crossed by a pin 20 by means of which the plate 7 is articulated on a box 21 of generally parallelepiped shape made integral with the rest of the shoe by means of a rod 22 welded by one of its ends to the box 21 and by its other end to the body 1 of the shoe. The housing21 has in its lateral faces notches 21adestinées to allow a separation of the claws 10 and 11 during the coming of the shoe at the height of connecting fishplates between two sections of rail.

A l'intérieur de sa paroi d'extrémité avant, opposée à la broche d'articulation 20, le boîtier 21 comporte une pièce 23 de limitation de la rotation de la platine 7 par rapport au couvercle, de manière à éviter que cette platine ne sorte complètement du boîtier lors du retrait du sabot.Inside its front end wall, opposite the hinge pin 20, the housing 21 includes a part 23 for limiting the rotation of the plate 7 relative to the cover, so as to prevent this plate from completely out of the housing when removing the shoe.

Dans les parois latérales du boîtier 21, sont ménagées des lumières 24 dans lesquelles sont montés des ressorts à lames 25 dont les extrémités libres prennent appui sur les tronçons à peu près verticaux 15 de chacune des griffes 10 et 11 afin de maintenir leur boucle 13 en prise sur le boudin du rail de la manière représentée à la Fig.2.In the side walls of the housing 21 are formed openings 24 in which are mounted leaf springs 25 whose free ends bear on the approximately vertical sections 15 of each of the claws 10 and 11 in order to maintain their loop 13 in taken on the rail flange as shown in Fig. 2.

Le dispositif de ralentissement et d'arrêt représenté aux Fig.2 à 4 a été conçu pour pouvoir être utilisé sur des tronçons de voies dont les rails comportent des éclisses de liaison. Lorsque le dispositif est verrouillé sur un rail, ses griffes doivent pouvoir s'écarter lorsque le dispositif vient à la hauteur d'éclisses de liaison. A cet effet, chacune des boucles 13 des griffes 10 et 11 présente dans son tronçon inférieur 16, une partie 26 que l'on voit bien aux Fig.3 et 4 et qui s'écarte par rapport à l'axe de symétrie du dispositif.The slowing and stopping device shown in Figs. 2 to 4 has been designed to be able to be used on sections of tracks whose rails have connecting ribs. When the device is locked on a rail, its claws must be able to move apart when the device comes to the height of connecting fishplates. To this end, each of the loops 13 of the claws 10 and 11 has in its lower section 16, a part 26 which can be clearly seen in Figs. 3 and 4 and which deviates from the axis of symmetry of the device .

Lorsque le dispositif de ralentissement et d'arrêt suivant l'invention n'est pas destiné à être utilisé sur une voie dont les rails comportent des éclisses, les griffes 11 et 12 peuvent avoir la forme représentée en trait mixte à la Fig.3. Par ailleurs, dans le cas d'une utilisation du dispositif sans nécessité d'écartement des griffes 11 et 12, le boîtier 21 peut comporter des parois latérales pleines, sans les échancrures 22 ni les ressorts 25 de maintien des griffes.When the slowing and stopping device according to the invention is not intended to be used on a track whose rails include fishplates, the claws 11 and 12 may have the form shown in dashed line in Fig. 3. Furthermore, in the case of use of the device without the need to separate the claws 11 and 12, the housing 21 may have solid side walls, without the notches 22 or the springs 25 for holding the claws.

Le dispositif qui vient d'être décrit fonctionne de la façon suivante.The device which has just been described operates in the following manner.

Le montage des griffes 11 et 12 dans la platine ainsi que leur forme sont tels que lorsque lesdites griffes sont libres, elles ont tendances à prendre, du fait de leur élasticité, des positions écartées l'une par rapport à l'autre, de manière à permettre le passage entre elles du boudin du rail R. Le dispositif peut être saisi par l'opérateur par la tige 22 de liaison entre le boîtier 21 et le corps 1 qui sert également de poignée. Le couvercle occupe alors la position représentée en trait mixte à la Fig.3, les griffes 10 et 11 sont écartées du fait de leur élasticité naturelle. La platine 7 vient buter par la branche avant de la pièce en U 8 contre la butée 23, de sorte qu'elle ne peut sortir que partiellement du boîtier 21 et ne gène pas la manipulation du dispositif.The mounting of the claws 11 and 12 in the plate as well as their shape are such that when said claws are free, they tend to take, because of their elasticity, positions spaced apart from one another, so to allow the passage of the rod of the rail R. between them. The device can be grasped by the operator by the rod 22 of connection between the housing 21 and the body 1 which also serves as a handle. The cover then occupies the position shown in phantom in Fig.3, the claws 10 and 11 are spaced apart due to their natural elasticity. The plate 7 abuts by the front branch of the U-shaped part 8 against the stop 23, so that it can only partially exit from the housing 21 and does not interfere with the manipulation of the device.

Lorsqu'on veut placer le dispositif suivant l'invention sur un rail, on pose le dispositif de manière que la platine 7 prenne appui sur le rail, les griffes 11 et 12 étant en position ouverte, puis on abaisse l'ensemble constitué par le corps 1, la languette 2 et le boîtier 21, de façon que cet ensemble entre en contact avec le rail R. Il en résulte que la languette 2 vient s'appliquer contre le rail, les rebords 5 de la semelle 4 emprisonnent le boudin dudit rail et le boîtier 21, en tournant autour de la broche 20 provoque le rapprochement des griffes 11,12 entre elles, de sorte que les portions 16 desdites griffes enserrent le boudin du rail de la façon représentée à la Fig.2. Le dispositif est alors en place et peut assurer sa fonction de ralentissement et d'arrêt.When the device according to the invention is to be placed on a rail, the device is placed so that the plate 7 is supported on the rail, the claws 11 and 12 being in the open position, then the assembly constituted by the body 1, the tongue 2 and the housing 21, so that this assembly comes into contact with the rail R. As a result, the tongue 2 is pressed against the rail, the edges 5 of the sole 4 trap the flange of said rail and the housing 21, by turning around the pin 20 causes the claws 11,12 to come together, so that the portions 16 of said claws grip the flange of the rail as shown in Fig.2. The device is then in place and can perform its slow motion function and stop.

Lorsqu'un roue d'un engin parvient jusqu'au dispositif, elle monte d'abord sur la languette 2 de celui-ci puis vient prendre appui contre le butoir 3, de sorte que sous l'effet de l'inertie de l'engin, le dispositif se déplace en glissant sur le rail, le ralentissement étant obtenu par frottement de la languette et de la semelle 4 sous l'effet du poids supporté par la roue de l'engin. Jusqu'ici le fonctionnement du dispositif de l'invention est analogue à celui des dispositifs antérieurs. Cependant, lorsque le dispositif parvient à la hauteur d'éclisses de liaison entre deux tronçons de rail désignées par la référence E à la Fig.2, les griffes 10 et 11 entrent en contact avec les éclisses E par leur portion de boucle 26 en forme de rampe. A mesure que le dispositif est déplacé en translation par rapport aux éclisses, il y a donc écartement des griffes 10 et 11 à l'encontre de l'action de serrage des ressorts 25. Lorsqu'elles sont écartées, les griffes 11 et 12 occupent les positions représentées en trait mixte à la Fig.2. On voit que cet écartement est permis grâce à la présence des échancrures 21adans le boîtier 21. En position écartée, les tronçons inférieurs 16 des boucles 13 de chacunedes griffes 11 et 12 prennent appui sur les éclisses E. Lorsque le dispositif continue sa course de translation, après son passage sur les éclisses, les ressorts 25 appliquent à nouveau les griffes 11 et 12 sur le boudin du rail, de sorte que le dispositif est à nouveau solidarisé par rapport à celui-ci.When a wheel of a machine reaches the device, it first rises on the tongue 2 thereof and then comes to bear against the stopper 3, so that under the effect of the inertia of the machine, the device moves by sliding on the rail, slowing down being obtained by friction of the tongue and of the sole 4 under the effect of the weight supported by the wheel of the machine. Up to now, the operation of the device of the invention has been analogous to that of the prior devices. However, when the device reaches the height of connecting fishplates between two sections of rail designated by the reference E in FIG. 2, the claws 10 and 11 come into contact with the fishplates E by their portion of loop 26 in the form ramp. As the device is moved in translation relative to the ribs, there is therefore separation of the claws 10 and 11 against the clamping action of the springs 25. When they are separated, the claws 11 and 12 occupy the positions shown in phantom in Fig. 2. We see that this spacing is allowed thanks to the presence of the notches 21adans the housing 21. In the separated position, the lower sections 16 of the loops 13 of each of the claws 11 and 12 bear on the ribs E. When the device continues its translational travel , after passing over the ribs, the springs 25 again apply the claws 11 and 12 to the flange of the rail, so that the device is again secured relative to the latter.

Si l'on souhaite retirer le dispositif de ralentissement et d'arrêt, il suffit de soulever l'ensemble constitué par la languette 2, le corps 1 et le boîtier 21 par la tige 22 formant poignée. Lors de cette opération, le boîtier 21 tourne par rapport à la platine 7 autour de le broche 20 et ses parois latérales libèrent les griffes 11 et 12. Celles-ci, du fait de leur élasticité, s'écartent l'une de l'autre et n'emprisonnent donc plus le boudin du rail R.If it is desired to remove the slowing and stopping device, it suffices to lift the assembly constituted by the tongue 2, the body 1 and the housing 21 by the rod 22 forming a handle. During this operation, the housing 21 rotates relative to the plate 7 around the spindle 20 and its side walls release the claws 11 and 12. These, due to their elasticity, deviate from one another and therefore no longer trap the flange of the rail R.

On voit que le dispositif qui vient d'être décrit est d'une manipulation extrêmement simple, car sa pose et sa solidarisation avec un rail sont assurées par un seul et même geste, qui consiste simplement à placer la semelle 4 sur le rail, le rapprochement entre les griffes 11,12 étant réalisé lors du mouvement relatif de la platine 7 à l'intérieur du boîtier 21, sous l'effet du poids de l'ensemble. Le retrait du dispositif est également assuré par simple traction sur la poignée 22 qui provoque le soulèvement de l'ensemble, languette 2, corps 1 et boîtier 21, ce qui entraîne la libération des griffes 11 et 12, et par conséquent leur écartement sous l'effet de leur élasticité.We see that the device which has just been described is extremely simple to handle, because its installation and its connection with a rail are ensured by a single and same gesture, which consists simply in placing the sole 4 on the rail, the approximation between the claws 11,12 being produced during the relative movement of the plate 7 inside the housing 21, under the effect of the weight of the assembly. The removal of the device is also ensured by simple pulling on the handle 22 which causes the lifting of the assembly, tongue 2, body 1 and housing 21, which causes the release of the claws 11 and 12, and consequently their spacing under the effect of their elasticity.

On constate par ailleurs que le dispositif suivant l'invention est réalisé à l'aide de pièces très simples, ne nécessitant pour leur assemblage aucune opération d'usinage, de sorte que le dispositif est d'un prix de revient peu élevé.It can also be seen that the device according to the invention is produced using very simple parts, requiring no machining operation for their assembly, so that the device has a low cost price.

Claims (8)

1. Dispositif de ralentissement et d'arrêt pour engins roulant sur rails, comprenant un corps (1) destiné à être placé sur un rail (R) en vue de recevoir une roue d'un engin à ralentir et à arrêter et formant butoir pour cette roue et des moyens de solidarisation du dispositif avec le rail, caractérisé en ce que les moyens de solidarisation sont constitués par une platine (7) portant des griffes élastiques (10,11) maintenues écartées en position de repos, la platine (7) étant destinée à être appliquée sur le rail (R) et étant articulée sur des moyens (21) de rapprochement desdites griffes (10,11) en vue de leur serrage sur le boudin du rail,lesdits moyens de rapprochement (21) étant solidaires du corps (1) du dispositif.1. Slowing and stopping device for vehicles traveling on rails, comprising a body (1) intended to be placed on a rail (R) in order to receive a wheel of a vehicle for slowing down and stopping and forming a stop for this wheel and means for securing the device to the rail, characterized in that the securing means consist of a plate (7) carrying elastic claws (10, 11) kept apart in the rest position, the plate (7) being intended to be applied to the rail (R) and being articulated on means (21) for bringing together said claws (10,11) for their tightening on the flange of the rail, said means for bringing together (21) being integral with the body (1) of the device. 2. Dispositif de ralentissement et d'arrêt suivant la revendication 1, caractérisé en ce que lesdites griffes élastiques (10,11) sont réalisées en fil d'acier à ressort et comportent chacune deux tronçons rectilignes (12,18) articulés sur la platine (7) selon des directions parallèles à l'axe du dispositif et réunies par une boucle (13) de serrage du rail (R) sous l'effet desdits moyens de rapprochement (21).2. Slowing-down and stopping device according to claim 1, characterized in that said elastic claws (10,11) are made of spring steel wire and each comprise two rectilinear sections (12,18) articulated on the plate (7) in directions parallel to the axis of the device and joined by a rail clamping loop (13) (R) under the effect of said approximation means (21). 3. Dispositif de ralentissement et d'arrêt suivant la revendication 2, caractérisé en ce que ladite platine (7) est constituée par une pièce en U (8) à ailes inégales, pourvue d'un voile de renforcement (9) soudé aux ailes de ladite pièce en U, les griffes (10,11) étant articulées dans les ailes de ladite pièce en U (8) de part et d'autre dudit voile (9).3. Slowing and stopping device according to claim 2, characterized in that said plate (7) is constituted by a U-shaped part (8) with uneven wings, provided with a reinforcing veil (9) welded to the wings of said U-shaped piece, the claws (10,11) being articulated in the wings of said U-shaped piece (8) on either side of said web (9). 4. Dispositif de ralentissement et d'arrêt suivant les revendications 2 et 3, caractérisé en ce que le premier tronçon rectiligne (12) de chacune des griffes (10,11) est engagé dans des orifices ménagés dans chacune des ailes de la pièce en U (8) tandis que le second tronçon rectiligne (18) est engagé dans un orifice ménagé dans une seule des ailes de ladite pièce en U (8) et décalé par rapport à l'orifice ménagé dans cette même aile et recevant le premier tronçon rectiligne de ladite griffe.4. Slowing down and stopping device according to claims 2 and 3, characterized in that the first rectilinear section (12) of each of the claws (10,11) is engaged in orifices provided in each of the wings of the piece in U (8) while the second rectilinear section (18) is engaged in a hole provided in only one of the wings of said U-shaped part (8) and offset with respect to the orifice formed in this same wing and receiving the first rectilinear section of said claw. 5. Dispositif de ralentissement et d'arrêt suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que lesdits moyens de rapprochement des griffes sont constitués par un boîtier (21) de forme générale parallélépipédique, fixé au corps (1) du dispositif au moyen d'une tige (22) formant poignée, ladite platine (7) étant montée oscillante dans ledit boîtier en vue du rapprochement desdites griffes (11,12) par les parois latérales dudit boîtier (21).5. Slowing and stopping device according to any one of claims 1 to 4, characterized in that said means for bringing the claws together are constituted by a housing (21) of generally parallelepipedal shape, fixed to the body (1) of the device by means of a rod (22) forming a handle, said plate (7) being mounted oscillating in said housing in order to bring said claws (11,12) closer by the side walls of said housing (21). 6. Dispositif de ralentissement et d'arrêt suivant la revendication (5) destiné à être placé sur un rail pourvu d'éclisses (E) de liaison de tronçonsde rail entre eux, caractérisé en ce que les boucles (13) des griffes (10,11) comportent chacune une portion (26) en forme de rampe, s'écartant par rapport à l'axe du dispositif, tandis que les parois latérales du boîtier (21) comportent des échancrures(21a) permettant l'écartement des griffes (10,11) lors de leur venue en contact avec lesdites éclisses (E) et des moyens élastiques (25) de maintien des griffes (10,11) en position rapprochée lorsque le dispositif se trouve hors de contact avec lesdites éclisses.6. Slowing down and stopping device according to claim (5) intended to be placed on a rail provided with fishplates (E) for connecting rail sections together, characterized in that the loops (13) of the claws (10 , 11) each have a portion (26) in the form of a ramp, deviating from the axis of the device, while the side walls of the housing (21) include notches (21a) allowing the spacing of the claws ( 10.11) when they come into contact with said ribs (E) and elastic means (25) for holding the claws (10.11) in the close position when the device is out of contact with said ribs. 7. Dispositif de ralentissement et d'arrêt suivant la revendication 6, caractérisé en ce que lesdits moyens élastiques sont constitués par des ressorts à lames (25) montés dans les parois latérales du boîtier (21).7. Slowing down and stopping device according to claim 6, characterized in that said elastic means consist of leaf springs (25) mounted in the side walls of the housing (21). 8. Dispositif de ralentissement et d'arrêt suivant l'une quelconque des revendications 5 à 7, caractérisé en ce qu'il comporte une pièce (23) de limitation de la rotation de la platine (7) par rapport au boîtier (21) pour empêcher la sortie complète de la platine (7) hors dudit boîtier.8. Slowing and stopping device according to any one of claims 5 to 7, characterized in that it comprises a part (23) for limiting the rotation of the plate (7) relative to the housing (21) to prevent the complete exit of the plate (7) out of said housing.
EP83400299A 1982-02-17 1983-02-11 Retarding and retaining device for rail vehicles Expired EP0086718B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83400299T ATE27582T1 (en) 1982-02-17 1983-02-11 DELAYING AND HOLDING DEVICE FOR RAIL VEHICLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8202582 1982-02-17
FR8202582A FR2521512B1 (en) 1982-02-17 1982-02-17 SLOWDOWN AND STOPPING DEVICE FOR TRACKS

Publications (2)

Publication Number Publication Date
EP0086718A1 true EP0086718A1 (en) 1983-08-24
EP0086718B1 EP0086718B1 (en) 1987-06-03

Family

ID=9271063

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Application Number Title Priority Date Filing Date
EP83400299A Expired EP0086718B1 (en) 1982-02-17 1983-02-11 Retarding and retaining device for rail vehicles

Country Status (6)

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US (1) US4535701A (en)
EP (1) EP0086718B1 (en)
AT (1) ATE27582T1 (en)
CA (1) CA1188635A (en)
DE (1) DE3371886D1 (en)
FR (1) FR2521512B1 (en)

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CN111776005A (en) * 2020-06-30 2020-10-16 临沂矿业集团菏泽煤电有限公司 Pneumatic rail-holding type car arrester of monorail crane

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN1331700C (en) * 2003-10-13 2007-08-15 西南交通大学 Brake shoe automatic on-rail device of rail vehicle
CN100422023C (en) * 2005-04-22 2008-10-01 杨志宏 Vehicle anti-skid device

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DE13003C (en) * C. Schaafhausen und h. J. Benderscheid in Essen a. Ruhr Presentation block
DE39614C (en) * E. SCHUBERT, Betriebsinspektor in Sorau Wheel chock for railway vehicles
DE19947C (en) * C. BARTSCH in Elberfeld Innovations to the lining blocks for railway vehicles
FR543932A (en) * 1921-11-23 1922-09-12 Slip-on shoe for railway wagons
US1448672A (en) * 1921-09-15 1923-03-13 Neumann Hermann Car-locking device
US1852703A (en) * 1930-11-07 1932-04-05 Robert L Crews Car stop
CH193214A (en) * 1937-02-13 1937-09-30 Bosshart Karl Inhibitor with safety device against falling from the railroad track.
US2121775A (en) * 1937-07-03 1938-06-28 Joseph Pavelka Sr Car stop
US2359106A (en) * 1942-02-21 1944-09-26 Hayes Track Appliance Co Wheel retainer
FR2256063A1 (en) * 1973-12-26 1975-07-25 Regionala De Cai Ferate Brasov Wagon-braking railway track wheel-drag brake - with front hinged support tongue and two rear hinged sliding baseplates

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US2874645A (en) * 1958-09-15 1959-02-24 Beck Samuel Jones Railway skate
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Publication number Priority date Publication date Assignee Title
DE13003C (en) * C. Schaafhausen und h. J. Benderscheid in Essen a. Ruhr Presentation block
DE39614C (en) * E. SCHUBERT, Betriebsinspektor in Sorau Wheel chock for railway vehicles
DE19947C (en) * C. BARTSCH in Elberfeld Innovations to the lining blocks for railway vehicles
US1448672A (en) * 1921-09-15 1923-03-13 Neumann Hermann Car-locking device
FR543932A (en) * 1921-11-23 1922-09-12 Slip-on shoe for railway wagons
US1852703A (en) * 1930-11-07 1932-04-05 Robert L Crews Car stop
CH193214A (en) * 1937-02-13 1937-09-30 Bosshart Karl Inhibitor with safety device against falling from the railroad track.
US2121775A (en) * 1937-07-03 1938-06-28 Joseph Pavelka Sr Car stop
US2359106A (en) * 1942-02-21 1944-09-26 Hayes Track Appliance Co Wheel retainer
FR2256063A1 (en) * 1973-12-26 1975-07-25 Regionala De Cai Ferate Brasov Wagon-braking railway track wheel-drag brake - with front hinged support tongue and two rear hinged sliding baseplates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111776005A (en) * 2020-06-30 2020-10-16 临沂矿业集团菏泽煤电有限公司 Pneumatic rail-holding type car arrester of monorail crane
CN111776005B (en) * 2020-06-30 2021-04-30 临沂矿业集团菏泽煤电有限公司 Pneumatic rail-holding type car arrester of monorail crane

Also Published As

Publication number Publication date
FR2521512A1 (en) 1983-08-19
CA1188635A (en) 1985-06-11
ATE27582T1 (en) 1987-06-15
EP0086718B1 (en) 1987-06-03
FR2521512B1 (en) 1985-09-27
DE3371886D1 (en) 1987-07-09
US4535701A (en) 1985-08-20

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