EP0156824A1 - Retractable antiskidding device for heavy vehicles - Google Patents

Retractable antiskidding device for heavy vehicles

Info

Publication number
EP0156824A1
EP0156824A1 EP19840903273 EP84903273A EP0156824A1 EP 0156824 A1 EP0156824 A1 EP 0156824A1 EP 19840903273 EP19840903273 EP 19840903273 EP 84903273 A EP84903273 A EP 84903273A EP 0156824 A1 EP0156824 A1 EP 0156824A1
Authority
EP
European Patent Office
Prior art keywords
hoop
hydraulic cylinders
wheels
arches
forks
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.)
Withdrawn
Application number
EP19840903273
Other languages
German (de)
French (fr)
Inventor
Michel Riesen
Bernard Currat
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0156824A1 publication Critical patent/EP0156824A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
    • B60C27/22—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels for tandem tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B15/00—Wheels or wheel attachments designed for increasing traction
    • B60B15/02—Wheels with spade lugs
    • B60B15/10—Wheels with spade lugs with radially-adjustable spade lugs; Control mechanisms therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
    • B60C27/02—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread
    • B60C27/04—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread the ground-engaging part being rigid
    • B60C27/045—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread the ground-engaging part being rigid involving retractable devices

Definitions

  • the invention relates to a non-slip device esca ⁇ motable for heavy vehicles, comprising hoops deplaceable beyond the tire treads by means of hydraulic cylinders and retractable in their retractable position.
  • French patent 2'257 '441 relates to an anti-slip device for heavy vehicles, in particular for agricultural tractors.
  • This device comprises a wheel with a central part to which are fixed support members which can be brought into several positions relative to the central part and in particular in a rest position where they are then raised off the ground, in an intermediate position and in a working position where they are pivoted outwards as much as possible.
  • French patent 2 '319' 502 is claimed a device intended to avoid slipping on slippery, icy or snowy roads.
  • This device comprises a cylindrical housing fixed to the rim of the wheel and inside which a disc carries, on its circumference, articulated fingers which can come out of the housing, in a star shape, and act as nails to circulate on the slippery road or to facilitate starting in soft terrain.
  • French patent 2,369,105 relates to a device making it possible to remove spikes for snow, ice or soft ground, while driving and from inside the vehicle.
  • the control of the device is isolated from the rota ⁇ tion of the wheel by a bearing and the output of the studs is done by a hydraulic cylinder controlled from inside the vehicle, the contact with the ground being ensured by reinforced hoops provided with 'a studded snow rubber band.
  • the object of the present invention is to provide a device intended to replace known means, such as
  • snow chains, tracks, etc. for heavy vehicles for example trucks, tractors, etc.
  • a device which is controlled from the driver's cab of the vehicle and which is brought into the active position in a fraction of a second, without having to slow down or stop.
  • the device according to the invention is arranged as defined in claim 1.
  • FIG. 1 is a section through the median vertical plane of rotation of the twin wheels of a truck, along the line II-II of FIG. 2, and in which the arches are guided radially in spokes
  • FIG. 2 is a section along line I-I of FIG.
  • FIG. 3 is a section through the median vertical plane of rotation of the twin wheels of a truck, the arches being guided in the slots of circular flanges
  • FIG. 4 is a section along the line IV-IV of FIG. 3.
  • the device shown in figs. 1 and 2 is mounted on the hub 1 of the twin wheels 2 and 3 of a heavy vehicle, in this case a truck, between said wheels.
  • a hoop 4 is arranged between the wheels 1, 2 and fixed to the webs 5, 6 of the wheels by screws 7.
  • This fret ⁇ te 4 is made of two symmetrical parts assembled by screws. It carries circular flanges 8 on which are welded, on the external faces of each of the flanges 8, five guide half-spokes 9 and, between these, five half-forks 10, so that the spokes 9 are distant 36 ° forks 10 (Fig. 1).
  • the guide half-spokes 9 are assembled by screws 11 and determine, in pairs, an axial blind hole 12 (FIG. 1).
  • the latter serves as a housing for a sliding piece 13 por ⁇ as a hoop 14 to guide it radially.
  • the hoop 14 has a stiffening rib 15, a steel sole 16 covered with an elastic bandage 17 on which is fixed, removably and by means of screws 18, a profiled steel plate 19 intended to come into contact with the covering when the driver of the vehicle is in the presence of snow or ice.
  • Double-acting hydraulic cylinders 20 are hingedly connected to the forks 10 by pins 21.
  • the ends of the piston rods 22 of the hydraulic cylinders 20 are assembled with pairs of symmetrical arms and inclined inwards 23
  • Each free end of the arms 23 carries a journal 24 which, by means of a link 25, is connected in an articulated manner to one of the ends of two arches 14 which follow. Thanks to this arrangement, the poles are guided in their movements.
  • a double rotary joint 26 is mounted on the hub 1 carried by the axle 27 of the wheels 1, 2, a joint which comprises two separate hydraulic chambers and connected, on the one hand, by pipes 28, to the lower parts of the hydraulic cylinders 20 and, on the other hand, by condui ⁇ yours 29, to the upper parts of said cylinders.
  • the driver of the vehicle can, from his cab, while driving and thanks to a hydroelectric control, actuate the hydraulic jacks 20 so that the plates 19 of the arches 14 are pushed outwards, beyond the tire treads, as visible on the right side of fig. 1 and in the upper part of FIG. 2, when the condition of the road requires it or bring them back to the inactive position (left part of FIG. 1 and lower part of FIG. 2) to avoid wear of said plates and damage to the coating road.
  • This sole is provided, at each of its ends, with guide noses 38, 39 which extend ⁇ tend radially inwardly and which carry guide pins 40 which can slide in arcuate windows 41, 42 of circular flanges 32.
  • the hoops 36 are of identical construction to that of the hoops 14 of the first embodiment.
  • the advantages of the device described with reference to FIGS. 1 to 4 are as follows: a) it is arranged between the twin wheels of the vehicle and therefore protected from shocks, frost, dirt, stones, b) the profiled steel plates are removable and can be changed depending on the wear and the various types of terrain, c) the hydro-electric control of the hoops is done from the driver's cabin of the vehicle, while driving.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

Pour éviter le dérapage des roues de véhicules lourds sur le verglas et les routes enneigées, on a prévu un dispositif escamotable à arceaux, arceaux qui peuvent être amenés hydro-électriquement, à partir de la cabine du conducteur du véhicule, dans une position active ou dans une position rétractée. Le dispositif comprend une frette (4) disposée entre les roues jumelées (2, 3) du véhicule. Cette frette (4) porte cinq rayons de guidage (9) présentant des trous borgnes (12) dans lesquels peuvent coulisser des pièces (13) des arceaux (14). Cinq fourches (10), disposées entre les rayons de guidage (9), portent des vérins hydrauliques à double effet (20) montés de manière oscillante. Les tiges de pistons (22) des vérins hydrauliques (20) sont reliées, par des paires de bras symétriques (23), des tourillons (24) et des biellettes (25) aux extrémités de deux arceaux (14) qui se suivent.To avoid the skidding of heavy vehicle wheels on ice and snow-covered roads, a retractable hoop device has been provided, hoops which can be brought hydro-electrically, from the driver's cabin of the vehicle, to an active position or in a retracted position. The device comprises a hoop (4) arranged between the twin wheels (2, 3) of the vehicle. This hoop (4) carries five guide spokes (9) having blind holes (12) in which parts (13) of the arches (14) can slide. Five forks (10), arranged between the guide spokes (9), carry double-acting hydraulic cylinders (20) mounted in an oscillating manner. The piston rods (22) of the hydraulic cylinders (20) are connected, by pairs of symmetrical arms (23), pins (24) and rods (25) at the ends of two hoops (14) which follow one another.

Description

Dispositif antidérapant escamotable pour véhicules lourds Retractable anti-slip device for heavy vehicles
L'invention a pour objet un dispositif antidérapant esca¬ motable pour véhicules lourds, comprenant des arceaux dê- plaçables au-delà des bandes de roulement des pneumatiques au moyen de vérins hydrauliques et rétractables dans leur position d'escamotage.The invention relates to a non-slip device esca¬ motable for heavy vehicles, comprising hoops deplaceable beyond the tire treads by means of hydraulic cylinders and retractable in their retractable position.
On connaît des dispositifs pour éviter le dérapage. Le brevet français 2'257 '441 se rapporte à un dispositif antiglissement pour véhicule lourd, en particulier pour tracteur agricole. Ce dispositif comprend une roue à par¬ tie centrale à laquelle sont fixés des organes de support qui peuvent être amenés dans plusieurs positions par rap¬ port à la partie centrale et notamment dans une position de repos où ils se trouvent alors surélevés du sol, dans une position intermédiaire et dans une position de travail où ils sont pivotes au maximum vers l'extérieur.Devices are known to prevent skidding. French patent 2'257 '441 relates to an anti-slip device for heavy vehicles, in particular for agricultural tractors. This device comprises a wheel with a central part to which are fixed support members which can be brought into several positions relative to the central part and in particular in a rest position where they are then raised off the ground, in an intermediate position and in a working position where they are pivoted outwards as much as possible.
Dans le brevet français 2 '319 '502 est revendiqué un dispositif ayant pour but d'éviter le dérapage sur route glissante, verglacée ou enneigée. Ce dispositif comprend un boîtier cylindrique fixé à la jante de la roue et à l'intérieur duquel un disque porte, sur sa circonférence, des doigts articulés qui peuvent sortir du boîtier, en étoile, et faire office de clous pour circuler sur la chaussée glissante ou pour faciliter le démarrage dans des terrains mous.In French patent 2 '319' 502 is claimed a device intended to avoid slipping on slippery, icy or snowy roads. This device comprises a cylindrical housing fixed to the rim of the wheel and inside which a disc carries, on its circumference, articulated fingers which can come out of the housing, in a star shape, and act as nails to circulate on the slippery road or to facilitate starting in soft terrain.
Le brevet français 2'369 '105 concerne un dispositif permettant de faire sortir des crampons pour neige, ver¬ glas ou sol mou, tout en roulant et de l'intérieur du vé- hicule. La commande du dispositif est isolée de la rota¬ tion de la roue par un roulement et la sortie des crampons se fait par un vérin hydraulique commandé de l'intérieur du véhicule, le contact avec le sol étant assuré par des arceaux renforcés et munis d'une bande de caoutchouc neige cloutée.French patent 2,369,105 relates to a device making it possible to remove spikes for snow, ice or soft ground, while driving and from inside the vehicle. The control of the device is isolated from the rota¬ tion of the wheel by a bearing and the output of the studs is done by a hydraulic cylinder controlled from inside the vehicle, the contact with the ground being ensured by reinforced hoops provided with 'a studded snow rubber band.
La présente invention a pour but de fournir un dispo¬ sitif destiné à remplacer les moyens connus, tels queThe object of the present invention is to provide a device intended to replace known means, such as
chaînes à neige, chenilles, etc. pour les véhicules lourds, par exemple les camions, les tracteurs, etc., dis¬ positif qui est commandé à partir de la cabine du conduc¬ teur du véhicule et qui est amené en position active en une fraction de seconde, sans devoir ralentir ou s'arrê¬ ter. snow chains, tracks, etc. for heavy vehicles, for example trucks, tractors, etc., a device which is controlled from the driver's cab of the vehicle and which is brought into the active position in a fraction of a second, without having to slow down or stop.
Le dispositif selon l'invention est agencé tel que défini dans la revendication 1.The device according to the invention is arranged as defined in claim 1.
Le dessin annexé représente, à titre d'exemple, deux formes d'exécution du dispositif, objet de l'invention.The accompanying drawing shows, by way of example, two embodiments of the device which is the subject of the invention.
La fig. 1 est une coupe passant par le plan vertical médian de rotation des roues jumelées d'un camion, selon la ligne II-II de la fig. 2, et dans laquelle les arceaux sont guidés radialement dans des rayons, la fig. 2 est une coupe selon la ligne I-I de la fig.Fig. 1 is a section through the median vertical plane of rotation of the twin wheels of a truck, along the line II-II of FIG. 2, and in which the arches are guided radially in spokes, FIG. 2 is a section along line I-I of FIG.
1, la fig. 3 est une coupe passant par le plan vertical médian de rotation des roues jumelées d'un camion, les arceaux étant guidés dans les fentes de flasques circulai- res, et la fig. 4 est une coupe selon la ligne IV-IV de la fig. 3.1, fig. 3 is a section through the median vertical plane of rotation of the twin wheels of a truck, the arches being guided in the slots of circular flanges, and FIG. 4 is a section along the line IV-IV of FIG. 3.
Le dispositif représenté dans les fig. 1 et 2 est monté sur le moyeu 1 des roues jumelées 2 et 3 d'un véhi- cule lourd, en l'occurrence un camion, entre lesdites roues. Une frette 4 est disposée entre les roues 1, 2 et fixée aux voiles 5, 6 des roues par des vis 7. Cette fret¬ te 4 est faite de deux pièces symétriques assemblées par des vis. Elle porte des collerettes circulaires 8 sur les- quelles sont soudés, sur les faces externes de chacune des collerettes 8, cinq demi-rayons de guidage 9 et, entre ces derniers, cinq demi-fourches 10, de sorte que les rayons 9 sont distants des fourches 10 de 36° (Fig. 1) . Les demi- rayons de guidage 9 sont assemblés par des vis 11 et dé- terminent, par paire, un trou borgne axial 12 (Fig. 1) . Ce dernier sert de logement à une pièce coulissante 13 por¬ tant un arceau 14 pour le guider radialement. L'arceau 14 présente une nervure de raidissement 15, une semelle 16 en acier recouverte d'un bandage élastique 17 sur lequel est fixée, de manière amovible et au moyen de vis 18, une plaquette profilée en acier 19 destinée à entrer en con- tact avec le revêtement routier lorsque le conducteur du véhicule se trouve en présence de neige ou de verglas.The device shown in figs. 1 and 2 is mounted on the hub 1 of the twin wheels 2 and 3 of a heavy vehicle, in this case a truck, between said wheels. A hoop 4 is arranged between the wheels 1, 2 and fixed to the webs 5, 6 of the wheels by screws 7. This fret¬ te 4 is made of two symmetrical parts assembled by screws. It carries circular flanges 8 on which are welded, on the external faces of each of the flanges 8, five guide half-spokes 9 and, between these, five half-forks 10, so that the spokes 9 are distant 36 ° forks 10 (Fig. 1). The guide half-spokes 9 are assembled by screws 11 and determine, in pairs, an axial blind hole 12 (FIG. 1). The latter serves as a housing for a sliding piece 13 por¬ as a hoop 14 to guide it radially. The hoop 14 has a stiffening rib 15, a steel sole 16 covered with an elastic bandage 17 on which is fixed, removably and by means of screws 18, a profiled steel plate 19 intended to come into contact with the covering when the driver of the vehicle is in the presence of snow or ice.
Des vérins hydrauliques à double effet 20 sont reliés de manière articulée aux fourches 10 par des tourillons 21. Les extrémités des tiges de pistons 22 des vérins hy- drauliques 20 sont assemblées à des paires de bras symé¬ triques et inclinés vers l'intérieur 23. Chaque extrémité libre des bras 23 porte un tourillon 24 qui, par l'inter¬ médiaire d'une biellette 25, est relié de manière articu¬ lée à l'une des extrémités de deux arceaux 14 qui se sui- vent. Grâce à cette disposition, les arceaux sont guidés dans leurs déplacements.Double-acting hydraulic cylinders 20 are hingedly connected to the forks 10 by pins 21. The ends of the piston rods 22 of the hydraulic cylinders 20 are assembled with pairs of symmetrical arms and inclined inwards 23 Each free end of the arms 23 carries a journal 24 which, by means of a link 25, is connected in an articulated manner to one of the ends of two arches 14 which follow. Thanks to this arrangement, the poles are guided in their movements.
Un joint tournant double 26 est monté sur le moyeu 1 porté par l'essieu 27 des roues 1, 2, joint qui comprend deux chambres hydrauliques séparées et reliées, d'une part, par des conduites 28, aux parties inférieures des vérins hydrauliques 20 et, d'autre part, par des condui¬ tes 29, aux parties supérieures desdits vérins.A double rotary joint 26 is mounted on the hub 1 carried by the axle 27 of the wheels 1, 2, a joint which comprises two separate hydraulic chambers and connected, on the one hand, by pipes 28, to the lower parts of the hydraulic cylinders 20 and, on the other hand, by condui¬ yours 29, to the upper parts of said cylinders.
Le conducteur du véhicule peut, à partir de sa cabi¬ ne, tout en roulant et grâce à une commande hydro-électri- que, actionner les vérins hydrauliques 20 pour que les plaquettes 19 des arceaux 14 soient poussées vers l'exté¬ rieur, au-delà des bandes de roulement des pneumatiques, comme visible dans la partie droite de la fig. 1 et dans la partie supérieure de la fig. 2, lorsque l'état de la chaussée l'exige ou les ramener en position inactive (par¬ tie gauche de la fig. 1 et partie inférieure de la fig. 2) pour éviter l'usure desdites plaquettes et 1*endommagement du revêtement routier.The driver of the vehicle can, from his cab, while driving and thanks to a hydroelectric control, actuate the hydraulic jacks 20 so that the plates 19 of the arches 14 are pushed outwards, beyond the tire treads, as visible on the right side of fig. 1 and in the upper part of FIG. 2, when the condition of the road requires it or bring them back to the inactive position (left part of FIG. 1 and lower part of FIG. 2) to avoid wear of said plates and damage to the coating road.
Dans la seconde forme d'exécution du dispositif selon les fig. 3 et 4, le moyeu, les roues et les conduites hy¬ drauliques non pas été représentées, du fait qu'ils sont identiques à ceux de la première forme d'exécution selon les fig. 1 et 2.In the second embodiment of the device according to FIGS. 3 and 4, the hub, the wheels and the hydraulic lines not shown, because they are identical to those of the first embodiment according to fig. 1 and 2.
Le moyeu supporte une frette 30 présentant une por¬ tion médiane 31 portant, sur ses deux faces extérieures, des flasques circulaires 32 (fig. 4) . La frette 30 est fi- xëe, par des vis, sur les voiles des roues. La portion mé¬ diane 31 présente cinq fourches 33 réparties régulièrement sur la circonférence et munies de tourillons 34 sur les¬ quels sont fixées, de manière oscillante, les extrémités internes de vérins hydrauliques à double effet 20. Les ex- trémités libres des tiges de pistons 22 sont reliées, de manière oscillante, à une fourche médiane 35 d'un arceau 36 à semelle d'acier 37. Cette semelle est munie, à cha¬ cune de ses extrémités, de nez de guidage 38, 39 qui s'é¬ tendent radialement vers 1'intérieur et qui portent des goujons de guidage 40 qui peuvent coulisser dans des fen¬ tes arquées 41, 42 des flasques circulaires 32. Lorsque les vérins hydrauliques 20 sont actionnés, les arceaux 36 sont poussés radialement vers l'extérieur, tout en étant guidés dans leur plan de déplacement. Les arceaux 36 sont de construction identique à celle des arceaux 14 de la première forme d'exécution.The hub supports a hoop 30 having a median por¬ tion 31 carrying, on its two outer faces, circular flanges 32 (fig. 4). The hoop 30 is fixed, by screws, to the webs of the wheels. The middle portion 31 has five forks 33 distributed regularly over the circumference and provided with pins 34 on which are fixed, in an oscillating manner, the internal ends of double-acting hydraulic cylinders 20. The free ends of the rods of pistons 22 are connected, in an oscillating manner, to a central fork 35 of a hoop 36 with a steel sole 37. This sole is provided, at each of its ends, with guide noses 38, 39 which extend ¬ tend radially inwardly and which carry guide pins 40 which can slide in arcuate windows 41, 42 of circular flanges 32. When the hydraulic cylinders 20 are actuated, the arches 36 are pushed radially outward , while being guided in their movement plan. The hoops 36 are of identical construction to that of the hoops 14 of the first embodiment.
Les avantages du dispositif décrit en regard des fig. 1 à 4 sont les suivants: a) il est disposé entre les roues jumelées du vêhicu- le et par conséquent, protégé des chocs, du gel, des sale¬ tés, des cailloux, b) les plaquettes profilées en acier sont amovibles et peuvent être changées selon l'usure et les diverses na¬ tures du terrain, c) la commande hydro-électrique des arceaux se fait à partir de la cabine du conducteur du véhicule, tout en roulant. The advantages of the device described with reference to FIGS. 1 to 4 are as follows: a) it is arranged between the twin wheels of the vehicle and therefore protected from shocks, frost, dirt, stones, b) the profiled steel plates are removable and can be changed depending on the wear and the various types of terrain, c) the hydro-electric control of the hoops is done from the driver's cabin of the vehicle, while driving.

Claims

Revendications: Claims:
1. Dispositif antidérapant escamotable pour véhicule lourds, comprenant des arceaux déplaçables au-delà des bandes de roulement des pneumatiques au moyen de vérins hydrauliques et rétractables dans leur position d'escamo¬ tage, caractérisé en ce que le dispositif est monté sur le moyeu (1) , entre les roues jumelées (2, 3) du véhicule, et comprend une frette (4, 30) retenue par des vis et fixée aux voiles (6, 7) des roues (1, 2), en ce que les vérins hydrauliques (20) sont à double effet et fixés sur la frette (4) de manière à pouvoir osciller, en ce que les extrémités libres des tiges de pistons (22) des cylindres hydrauliques (20) sont reliées, de manière articulée, à au moins un des arceaux (14, 36), et en ce que le moyeu (1) est muni d'un joint tournant (26) comprenant deux chambres hydrauliques séparées, à partir desquelles des conduites (28, 29) arrivent aux vérins hydrauliques (20) et en sor¬ tent. 2. Dispositif selon la revendication 1, caractérisé en ce que la frette (4) est divisée symétriquement par rapport à l'axe de rotation des roues (1, 1. Retractable non-slip device for heavy vehicles, comprising hoops movable beyond the treads of the tires by means of hydraulic cylinders and retractable in their retracted position, characterized in that the device is mounted on the hub ( 1), between the twin wheels (2, 3) of the vehicle, and comprises a hoop (4, 30) retained by screws and fixed to the webs (6, 7) of the wheels (1, 2), in that the jacks hydraulic (20) are double acting and fixed on the hoop (4) so as to be able to oscillate, in that the free ends of the piston rods (22) of the hydraulic cylinders (20) are connected, in an articulated manner, to the at least one of the arches (14, 36), and in that the hub (1) is provided with a rotary joint (26) comprising two separate hydraulic chambers, from which pipes (28, 29) arrive at the hydraulic cylinders ( 20) and exit. 2. Device according to claim 1, characterized in that the hoop (4) is divided symmetrically with respect to the axis of rotation of the wheels (1,
2) et présente deux collerettes circulaires (8) sur lesquelles sont sou¬ dés intérieurement, d'une part, des demi-rayons de guidage ëquidistants (9) et, d'autre part, entre ces derniers, des demi-fourches (10) , en ce que chaque arceau (14) porte, dans son plan médian longitudinal, une pièce coulissante (13) qui s'étend dans un trou borgne (12) formé par deux demi-rayons de guidage (9) assemblés, en ce que les extré- mités internes des vérins hydrauliques (20) sont fixées sur les fourches (10) , et en ce que les extrémités libres des tiges de pistons (22) des cylindres hydrauliques (20) sont reliées à des paires de bras symétriques (23) incli¬ nés vers l'intérieur et dont les extrémités sont munies de tourillons (24) reliés, par des biellettes (25) , aux ex¬ trémités de deux arceaux (14) qui se suivent.2) and has two circular flanges (8) on which are internally sou¬ dice, on the one hand, equidistant guide half-radii (9) and, on the other hand, between the latter, half-forks (10 ), in that each hoop (14) carries, in its longitudinal median plane, a sliding part (13) which extends in a blind hole (12) formed by two half-guide radii (9) assembled, in this that the internal ends of the hydraulic cylinders (20) are fixed on the forks (10), and in that the free ends of the piston rods (22) of the hydraulic cylinders (20) are connected to pairs of symmetrical arms ( 23) incli¬ born inwards and whose ends are provided with pins (24) connected by rods (25) to the ends of two hoops (14) which follow.
3. Dispositif selon la revendication 1, caractérisé en ce que la frette (30) présente une portion médiane (31) qui porte des flasques circulaires (32) et des fourches (33) munies de tourillons (34) sur lesquels sont fixés les vérins hydrauliques (20) , les extrémités des tiges de pis- tons (22) des vérins hydrauliques (20) étant montées os¬ cillantes dans la partie médiane des arceaux (36) , et en ce que les arceaux (36) présentent, à leurs extrémités, des nez de guidage (38, 39) dans lesquels passent des gou¬ jons (40) qui peuvent coulisser dans des fentes arquées (41, 42) des flasques circulaires (32).3. Device according to claim 1, characterized in that the hoop (30) has a middle portion (31) which carries circular flanges (32) and forks (33) provided with pins (34) on which the hydraulic cylinders (20) are fixed, the ends of the rods pistons (22) of the hydraulic cylinders (20) being mounted os¬ cillantes in the middle part of the arches (36), and in that the arches (36) have, at their ends, guide noses (38, 39) through which studs (40) pass which can slide in arcuate slots (41, 42) of the circular flanges (32).
4. Dispositif selon les revendications 1 à 3, carac¬ térisé en ce que chaque arceau (14, 36) comprend une se¬ melle en acier (16, 37) recouverte d'un bandage élastique (17) qui supporte une plaquette profilée en acier (19) montée de manière amovible sur elle.4. Device according to claims 1 to 3, charac¬ terized in that each hoop (14, 36) comprises a steel selle (16, 37) covered with an elastic bandage (17) which supports a profiled plate in steel (19) removably mounted on it.
r. r.
EP19840903273 1983-09-12 1984-09-07 Retractable antiskidding device for heavy vehicles Withdrawn EP0156824A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH494183 1983-09-12
CH4941/83 1983-09-12

Publications (1)

Publication Number Publication Date
EP0156824A1 true EP0156824A1 (en) 1985-10-09

Family

ID=4285178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840903273 Withdrawn EP0156824A1 (en) 1983-09-12 1984-09-07 Retractable antiskidding device for heavy vehicles

Country Status (2)

Country Link
EP (1) EP0156824A1 (en)
WO (1) WO1985001253A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596707B1 (en) * 1986-04-04 1988-05-27 Stich Jean ADJUSTABLE, EXPANDABLE AND NON-SLIP WHEELS, ADAPTABLE TO ALL CONDITIONS, INCLUDING AMPHIBIOUS
US5770459A (en) * 1986-04-30 1998-06-23 Igen International, Inc. Methods and apparatus for improved luminescence assays using particle concentration, electrochemical generation of chemiluminescence detection
IT1191589B (en) * 1986-06-25 1988-03-23 Zampieri P ANTI-SLIP DEVICE, PARTICULARLY FOR THE ADVANCE OF MOTOR VEHICLE WHEELS ON SNOW OR ICE
US6881589B1 (en) 1987-04-30 2005-04-19 Bioveris Corporation Electrochemiluminescent localizable complexes for assay compositions
US5935779A (en) * 1988-11-03 1999-08-10 Igen International Inc. Methods for improved particle electrochemiluminescence assay
US5798083A (en) * 1988-11-03 1998-08-25 Igen International, Inc. Apparatus for improved luminescence assays using particle concentration and chemiluminescence detection
US5705402A (en) * 1988-11-03 1998-01-06 Igen International, Inc. Method and apparatus for magnetic microparticulate based luminescence assay including plurality of magnets
US5779976A (en) * 1988-11-03 1998-07-14 Igen International, Inc. Apparatus for improved luminescence assays
US5746974A (en) * 1988-11-03 1998-05-05 Igen International, Inc. Apparatus for improved luminescence assays using particle concentration, electrochemical generation of chemiluminescence and chemiluminescence detection
WO2007053191A2 (en) 2005-06-03 2007-05-10 University Of Texas System Electrochemistry and electrogenerated chemiluminescence with a single faradaic electrode
US8006728B2 (en) * 2009-01-13 2011-08-30 Mccue Geoffrey Centrifugal wheel
CZ2012462A3 (en) * 2012-07-09 2014-06-18 Petr Gross Antiskid device for motor vehicle wheels
CN102896970B (en) * 2012-08-30 2015-08-19 柳州市京阳节能科技研发有限公司 Multifunction hydraulic companding wheel
KR101649926B1 (en) * 2015-01-05 2016-09-05 한국타이어 주식회사 Airless tire
US20170197460A1 (en) * 2016-01-07 2017-07-13 Yaqoub Yousef Hussain Alyousefi Auxiliary drive mechanism for motor vehicle
CN108382410B (en) * 2018-02-02 2019-09-27 泉州台商投资区秋鑫茶业有限公司 A kind of flat car conducive to walking
CN108394233A (en) * 2018-03-14 2018-08-14 嘉兴学院 All Terrain Vehicle tire
CN108501906A (en) * 2018-04-13 2018-09-07 冯子军 A kind of automobile tire automatic Anti-skid System and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254318A (en) * 1939-02-04 1941-09-02 Louis Otto E Roessel Traction device
GB635469A (en) * 1948-04-23 1950-04-12 David Albert Dunn Improvements in or relating to the wheels of tractors or the like
NL7400507A (en) * 1974-01-15 1975-07-17 Lely Nv C Van Der ANTI-SLIP DEVICE FOR A VEHICLE, ESPECIALLY AN AGRICULTURAL TRACTOR.
FR2369105A1 (en) * 1976-10-29 1978-05-26 Michel Jean Marie Remotely extended ice studs for vehicle wheel - has arms extended radially beyond tyre by hydraulic action and returned by spring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8501253A1 *

Also Published As

Publication number Publication date
WO1985001253A1 (en) 1985-03-28

Similar Documents

Publication Publication Date Title
EP0156824A1 (en) Retractable antiskidding device for heavy vehicles
US6241327B1 (en) Endless track for high speed multi-terrain vehicles
US2441471A (en) Traction attachment for driving wheels
US2981303A (en) Traction attachment for an automobile wheel
US2395383A (en) Traction and load supporting wheel
EP4253660B1 (en) Snow removal trailer and vehicle equipped with such a trailer
US1199503A (en) Traction-vehicle.
US1023255A (en) Antiskidding device for automobiles.
BE440081A (en)
US1292427A (en) Runner for automobiles.
FR2620977A1 (en) Vehicle provided with means for mounting auxiliary wheels
US1480139A (en) Tire chain
US2171844A (en) Traction wheel
US2205689A (en) Traction apparatus for motor vehicles
US1599915A (en) Convertible hgstskxd auto sleigh
FR2659277A1 (en) Retractable device for a studded tyre, especially for the automobile
US1900910A (en) Auxiliary tread for tractors
FR2665415A1 (en) Device for guiding the caterpillar track of a straddle tractor and tractor equipped with such a device
US3074763A (en) Tubular wheel
EP0010533B1 (en) Tyre for agricultural and forestry use
BE560997A (en)
US1354163A (en) Vehicle-wheel
US1003500A (en) Traction-wheel.
US1346627A (en) Tire-tread
US1398732A (en) Tire-protecting antiskid appliance

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE DE FR GB LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19850814