WO2001038106A1 - Dispositif de secours a profil de roulage pour vehicules a moteur - Google Patents

Dispositif de secours a profil de roulage pour vehicules a moteur Download PDF

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Publication number
WO2001038106A1
WO2001038106A1 PCT/EP1999/009073 EP9909073W WO0138106A1 WO 2001038106 A1 WO2001038106 A1 WO 2001038106A1 EP 9909073 W EP9909073 W EP 9909073W WO 0138106 A1 WO0138106 A1 WO 0138106A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaped
rim
wheel
segments
circular
Prior art date
Application number
PCT/EP1999/009073
Other languages
German (de)
English (en)
Inventor
Wolfgang Markewitz
Jonny Janus
Original Assignee
Ats Plus Janus Gbr
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 Ats Plus Janus Gbr filed Critical Ats Plus Janus Gbr
Priority to PCT/EP1999/009073 priority Critical patent/WO2001038106A1/fr
Priority to AU19674/00A priority patent/AU1967400A/en
Publication of WO2001038106A1 publication Critical patent/WO2001038106A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B11/00—Units comprising multiple wheels arranged side by side; Wheels having more than one rim or capable of carrying more than one tyre
    • B60B11/10—Emergency wheels
    • 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
    • B60B15/26—Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body
    • B60B15/263—Traction increasing surface being located axially beside tire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/70—Adaptation for
    • B60B2900/731—Use in cases of damage, failure or emergency

Definitions

  • the invention relates to an emergency running device with the features of the preamble for a vehicle with inflated tires which are mounted on rims. This is used after a strong loss of pressure in a tire.
  • the invention further relates to associated rims.
  • a conventional spare wheel is usually inside a vehicle for several years and in the meantime loses the original tire pressure before it is used. In such cases, the journey must therefore be continued with a wheel whose air pressure is considerably below the pressure intended for use, provided that the air pressure is not continuously corrected.
  • the tire is usually insufficiently prepared for the application due to long storage times.
  • the emergency wheel on which the assembly can be carried out without a jack.
  • the emergency wheel is mounted on a rim from the outside and encloses the circumference of the air-filled tire.
  • a narrow run-flat wheel with high-pressure tires is known from the prior art, with which the aforementioned problems are to be reduced.
  • Such a run-flat wheel generally has a pressure of 4.5 bar, which is therefore substantially above the pressure of approx. 2 bar, which is generally set for conventional tires.
  • Such a narrow run-flat wheel is somewhat smaller than the conventional spare wheel, but is only slightly lighter and cheaper.
  • the tools required for conventional spare wheels are also required for narrow emergency wheels so that they can be used in the event of a breakdown.
  • a tire can be found in the prior art, the side walls of which are reinforced on the inside in comparison to conventional tires. Because of this reinforcement, further movement of the vehicle is initially possible in the event of a loss of pressure in a tire.
  • this limp home route in other words the route that is traveled after a strong pressure loss in the tire, is limited to up to 200 km. The transport of tools can be saved with this solution.
  • the tires are heavier. Furthermore, additional costs for each individual tire are unavoidable.
  • the disadvantages in terms of increased tire weight and increased costs have meant that the tires with the inner reinforcement have not become established. It is known to provide mechanical support devices in the rim base made of rubber and steel, which take over the function of the wheel in the event of significant tire pressure losses.
  • the object of the invention is to provide an emergency running system which is light and small, can be used with any type of flat tire, can cope with high emergency running distances at an appropriate speed and can be installed in a particularly simple manner.
  • the object of the invention is achieved by a
  • the emergency running system with the features of the first claim comprises a wheel-shaped, circular-arc-shaped or circular-disk-shaped system and means for fastening the aforementioned system on the rim of a wheel of a motor vehicle.
  • the system consists of several, in particular two semicircular segments or parts.
  • the system comprises at least one segment which, after being fastened to the rim, has an outer edge which, seen from the outside, falls off along the roll-off towards the center of the wheel. This edge is called the roll-up route in the following.
  • the defective wheel or the defective one Tires not changed. Instead, the wheel-shaped, circular-arc-shaped or circular-disk-shaped system is mounted and fastened on the rim as described below.
  • the system can be relatively small in volume and light and inexpensive.
  • the emergency running system does not require the replacement of a complete wheel, but merely supplements the already existing wheel, weight, volume and costs can be saved in comparison to the emergency running wheel with high-pressure tires.
  • the depressurized tire is relieved by the device according to the claims and, in a preferred embodiment, the wheel load is diverted to the existing rim by means of a nose, lugs or nose-shaped profile which overlaps the rim flange.
  • the sophisticated emergency running system can be used regardless of the tire type. It is therefore not necessary to switch conventional tires to the sophisticated system.
  • the sophisticated emergency running system can be used regardless of whether the side walls of a tire are affected by the defect or not.
  • the assembly takes place in a comparatively short time, since the rim or the wheel does not have to be changed.
  • the circular disk-shaped, circular arc-shaped or wheel-shaped system mounted on the outside of a rim also prevents the tire from being thrown off when cornering. Furthermore, as will be explained below, a lifting device (jack) is not required to carry out the assembly.
  • the wheel-shaped, circular-arc-shaped or circular-disk-shaped system is designed in several parts. It preferably consists of two parts which are semicircular. These have in particular a rolling circumference that can be up to 20%, preferably up to 30% smaller than the rolling circumference of the air-filled tire.
  • the roll-up section is attached to the rim from the outside (i.e. on the side facing away from the vehicle) in such a way that it initially does not support any wheel load.
  • the segment therefore has (practically) no contact with the ground.
  • the defective wheel is turned so that the roll-up section first makes contact with the ground and takes over the wheel load. This turning of the wheel can be done easily by moving the vehicle accordingly or rolling the wheel. To do this, it must usually be rolled forward or backward by one meter.
  • the other segments (parts) of the system are mounted on the rim, in particular the second half of the circular disk-shaped, circular arc-shaped or wheel-shaped system.
  • the roll-up section is in particular curved or generally curved.
  • the roll-up section therefore has no corners or edges. This further facilitates the rolling of the vehicle during contact between the ground and the roll-up path.
  • the emergency running system preferably comprises a segment with two roll-up sections at opposite ends. After installing the segment, it does not matter in which direction the wheel in question is rotated so that the wheel load is taken over by the segment. This further simplifies assembly.
  • a segment has at least one mandrel or pin.
  • a segment to be mounted adjacent has a counterpart corresponding hole or an opening into which the mandrel or pin protrudes.
  • Pin (mandrel) and hole (opening) serve as an adjustment aid. The interaction of pins and holes ensures that the segments are correctly assembled into a wheel-shaped, circular-arc-shaped or circular-disk-shaped system.
  • means are provided by which the segments are braced together.
  • the tensioning means are designed in such a way that the tensioning is supported or strengthened by the centrifugal forces that occur during travel in the emergency running system. This means, for example, that a lever or pin provided for releasing the tension must be moved in the opposite direction to the centrifugal forces which occur in order to release the tension.
  • the segments can be clamped together via joints so that further attachments to the wheel are not required. This improves the reliability and safety of the emergency running system.
  • the means which are provided for fastening the emergency running system to a rim of a vehicle are designed to be adjustable.
  • the fastening means are designed in such a way that they can be adapted to different rim types and sizes. This avoids the need for an appropriately adapted emergency running system to be provided for each new rim.
  • the only decisive factor is the diameter of the rim flange on the outside of the vehicle.
  • the fastening means preferably comprise at least one nose or a nose-shaped profile which, after being placed on the outer rim flange, thus with the rim interacts that the radial load acting in the radial direction is shifted from the rim to the circular disk-shaped or wheel-shaped, mounted system.
  • the wheel-shaped, circular-arc-shaped or circular-disk-shaped system can consist of light metal, steel or fiber-reinforced plastics. If these materials are provided, the system can be designed to be very light and flat. Pressure losses that are problematic due to long storage with a conventional spare wheel cannot occur here.
  • the circular disk-shaped or wheel-shaped system has a circular, protruding nose, which interacts with the outer horn of a rim in use so that the wheel load is transmitted from the rim or the rim flange directly through the nose to the circular disk-shaped or wheel-shaped system.
  • the inner diameter of this annular protruding nose preferably corresponds to the outer diameter formed by the outer horn of the rim. The nose then represents a negative profile.
  • Such a nose can reach over the rim flange. Due to the multi-part system, assembly is particularly easy, even if the nose gets behind the rim flange due to a slightly curved shape (seen from the outside).
  • the nose engages in order to divert lateral forces, which are perpendicular to the radial forces, over the rim so over the rim flange that a positive connection is made. Additional lugs or pins that engage in corresponding holes in the rim reinforce the effect.
  • the inner diameter of circumferentially arranged lugs are slightly larger than the outer diameter of the rim.
  • the circular disk-shaped, circular-arc-shaped or wheel-shaped system can be mounted on the rim in such a way that the outer horn of the rim can be pushed into the inside of the circular nose a little.
  • the final attachment of the circular disk, circular arc or wheel-shaped system can then be non-positively, for example by screws or clamps, which are screwed or attached from the outside onto the rim, in particular onto the rim wrench.
  • the attachment is preferably carried out by bracing the segments over the segment joints. In this way, a ring is firmly attached to the rim.
  • the aforementioned thread can alternatively be located in the wheel carrier in order to screw the circular disk-shaped, circular-arc-shaped or wheel-shaped system.
  • the rim will have holes that connect to the threads. Screws for fastening the circular disk-shaped or wheel-shaped system are then through pushed the holes through. The position of the holes in the circular disk-shaped or wheel-shaped system and in the rim are therefore matched to the positions of the threads in the wheel carrier.
  • pins are provided which are inserted from below under the aforementioned lugs through segments of the emergency running system.
  • the pins thus go into a bulge below the outer horn of the rim.
  • the pins thus help to secure the emergency running system to the rim.
  • the invention also includes a wheel carrier which is matched to this system and / or a rim which is matched to this system.
  • the wheel carrier or the rim are designed so that the circular disk-shaped, circular-arc-shaped or wheel-shaped system can be attached to the rim from the outside.
  • the outer edge of the circular disk-shaped or wheel-shaped system is designed such that it reacts in a self-resilient manner in the event of uneven road surfaces.
  • the resilient property is made possible by an arcuate configuration from a radial in a lateral direction, in particular in the case of plastic or steel construction.
  • the edge formed by the rolling circumference can have a layer of resilient material. This layer can also be an intermediate layer which is covered, for example, by an abrasion and / or non-slip polymer layer.
  • the self-resilient design of the system increases driving comfort. Shocks are cushioned so that consequential damage due to the shocks is avoided.
  • the edge of the system according to the claims is advantageously covered with a layer consisting of polymer material. This ensures that the operational wear remains limited to the elastic layer. Friction is also generated.
  • the diameter of the circular disk-shaped, circular arc-shaped or wheel-shaped system is matched to the diameter of the tire used so that the depressurized tire deforms elastically to the inside of the wheel when the circular disk-shaped wheel-shaped system is mounted, but only in such a way that its sensitive Bead reinforcements do not have to contribute to supporting the wheel loads.
  • the depressurized tire rolls along with its tread, ie with its tread slack on the road surface within the deformations approved by the tire manufacturer.
  • the depressurized tire can then provide additional frictional forces at limited speeds without further damage to the depressurized tire.
  • these frictional forces act on a wheel which is arranged on the inside of a curve.
  • the pressureless tire is then shifted from the laterally outer segment of the system according to the claims to the inside of the wheel so that the sidewall of the tire located there cannot support relative movements even when cornering.
  • the rim is thus individualized according to the invention and is therefore primarily adapted to interact with noses or pins.
  • FIG 1 supervision of two segments of the emergency system
  • Figure 3 Section through an embodiment of the
  • Figure 4 Section through a further embodiment of the emergency operation system
  • FIG 1 shows two segments 1 and 2 of an embodiment of the emergency running device, which are assembled in the form of an annular disk.
  • Each segment 1 or 2 essentially forms a half ring disk.
  • Each half ring disc opens into a winding section 3 at one end.
  • the outer edge of the segment deviates from the outer circumference 4 of the ring disk.
  • the outer edge of the roll-up section 3 runs in a curve inwards.
  • segment 1 is attached to the rim of an unpressurized tire above the ground (underground) in the area of the unloaded circumference.
  • the carriage is then rolled so that the open end of the roll-up path approaches the floor and finally reaches it. If the car is pushed further, the wheel with the depressurized tire is raised using the roll-up section until the edge 4 reaches the ground.
  • segment 2 is attached to the rim.
  • Each segment has a mandrel 5 in the region of the open end of the winding section.
  • each mandrel 5 is inserted into an opposite opening of the respectively adjacent segment. Thorns and openings are used for precise adjustment when fastening.
  • FIG. 2 shows an embodiment in which the segment 1 has a roll-up section 3 at each of its two ends. This segment 1 is first attached to the rim with the depressurized tire. It does not matter in which direction the wheel with the depressurized tire is turned in order to raise the vehicle to the desired height by rolling.
  • Two latches are also outlined, which clamp the two segments 1 and 2 together.
  • the levers 6 of the latches which are intended for releasing, must be turned inwards. During the journey, the centrifugal forces that then occur ensure that the levers are pressed into the tabs 7. A lever cannot then be released accidentally.
  • FIG. 3 shows a section of a cross section of the emergency running system according to the claims.
  • a tire 9 is mounted on a rim 8.
  • a segment 1 is attached on the outside of this rim (seen from the vehicle) a segment 1 is attached.
  • the segment 1 has a nose 10 which is pushed over the adjacent horn 11 of the rim 8.
  • the vertical forces are transmitted from the rim to the circular disk-shaped or wheel-shaped system by means of the nose 10.
  • the system comprises a pin 12 in the form of a screw which has been screwed in from the outside through an opening in segment 1.
  • the pin 12 ends below the horn 11 of the rim 8. Overall, the nose 10 and the pin 12 grip the horn 11 in such a way that a certain attachment or
  • the pin serves as an assembly aid.
  • the outer edge of the circular disk-shaped or wheel-shaped system is designed so that it reacts in a self-resilient manner when the road is uneven.
  • the resilient property is made possible by the slight arc-shaped configuration of the individual segments - as can be seen from FIG. 3 - from a radial to a lateral direction, in particular in the case of plastic or steel construction.
  • the self-resilient design of the system increases driving comfort. Shocks are cushioned so that consequential damage due to the shocks is avoided.
  • each segment 1 or 2 is covered with a layer 13, which consists of polymer material and forms the tread. This ensures that the operational wear remains limited to layer 13. Friction is also generated.
  • the segments 1 and 2 are essentially made of metal or reinforced plastic.
  • Figure 3 illustrates the condition of a depressurized tire when it touches the road.
  • the load is essentially carried by segment 1.
  • the tire without pressure rolls along with its tread on the road surface 14 within the deformations approved by the designer. Due to the coordination of the diameter of the tire and the circular disk-shaped system, the sensitive bead reinforcements of a tire are not unduly stressed.
  • Figure 4 shows a further embodiment in section.
  • the use of segments according to the invention has proven to be particularly advantageous when these are connected with their benefited nose or nose-shaped profile 10 are pushed approximately centrally onto the outer rim flange 11. Since the forces are now diverted directly from the segments 1 or 2 into the rim without any detour, designs are possible that are unmatched in terms of low weight, small space requirements and low costs.
  • the height of the segments 1 or 2 according to the invention is now only about 2/3 of the height of the tire mounted on the rim, and the central load transfer allows the strength of torsionally stiff hollow profiles to be optimally used.
  • FIG. 4 shows a hollow profile which is part of segment 1.
  • clamps 12 can be used which, due to their spring force, prevent slipping or tipping when rolling up over the winding section. These clips are removed after the segments have been fully assembled. The slipping of the segment 1 can also be prevented by clamping screws 12, which are located on the segment 1.
  • the segments Due to their form-fitting bearing on the outer rim flange, the segments, which are tightly clamped together in a ring, represent a mechanical extension of the rim, which in the event of a breakdown in direct road contact up to the wear limit of its rubber tread (e.g. several 1000 kilometers) Takes over forces safely, and the defective protects the tires.

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

Abstract

L'invention concerne un dispositif de secours pour véhicule comprenant au moins deux segments (1, 2) pouvant être assemblés de manière à constituer un système en forme de roue, en forme d'arc de cercle ou en forme de plaque circulaire, ainsi que des moyens destinés à fixer les segments (1, 2) à la jante (8) d'une roue d'un véhicule. L'invention est caractérisée en ce qu'il est prévu une section de roulage (3) formée par une partie du bord extérieur d'un segment tombant le long de la périphérie de roulage, en direction du centre du cercle du système. La section de roulage s'étend de préférence en forme générale de courbe ou d'arc de cercle. Le dispositif de secours est particulièrement approprié pour répondre aux exigences en cas de crevaison. Il est peu encombrant et très léger et peut être monté sans l'aide d'un cric.
PCT/EP1999/009073 1999-11-24 1999-11-24 Dispositif de secours a profil de roulage pour vehicules a moteur WO2001038106A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP1999/009073 WO2001038106A1 (fr) 1999-11-24 1999-11-24 Dispositif de secours a profil de roulage pour vehicules a moteur
AU19674/00A AU1967400A (en) 1999-11-24 1999-11-24 Emergency assembly with roll-on platform for motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1999/009073 WO2001038106A1 (fr) 1999-11-24 1999-11-24 Dispositif de secours a profil de roulage pour vehicules a moteur

Publications (1)

Publication Number Publication Date
WO2001038106A1 true WO2001038106A1 (fr) 2001-05-31

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ID=8167506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/009073 WO2001038106A1 (fr) 1999-11-24 1999-11-24 Dispositif de secours a profil de roulage pour vehicules a moteur

Country Status (2)

Country Link
AU (1) AU1967400A (fr)
WO (1) WO2001038106A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019141816A1 (fr) * 2018-01-22 2019-07-25 Gv Engineering Gmbh Roue d'urgence
DE102021006047A1 (de) 2021-12-08 2022-03-17 Daimler Ag Ersatzradvorrichtung für ein Fahrzeug und Verfahren zum Betrieb eines diese Ersatzradvorrichtung aufweisenden Fahrzeugs

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE318024C (fr) *
FR1043038A (fr) * 1951-05-30 1953-11-05 Roue de dépannage immédiat, sans cric, pour automobiles
DE1480751A1 (de) 1964-07-02 1969-05-08 Daimler Benz Ag Notrad fuer luftbereifte Fahrzeuge,insbesondere Kraftfahrzeuge
GB1249621A (en) * 1969-02-03 1971-10-13 Norman Frank Fendick An auxiliary wheel for a vehicle and a method of mounting the auxiliary wheel
DE8320795U1 (de) 1983-07-15 1983-10-27 Bachert, Tibor, 8450 Amberg Luftreifen fuer fahrzeuge
WO1987005866A1 (fr) 1986-04-04 1987-10-08 Jean Stich Roues juxtaposables, expansibles et antiderapantes, adaptables a toutes conditions, y compris amphibies
EP0606946A1 (fr) * 1993-01-12 1994-07-20 Rav-Car Industries Ltd. Accessoire pour pneus d'automobile

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE318024C (fr) *
FR1043038A (fr) * 1951-05-30 1953-11-05 Roue de dépannage immédiat, sans cric, pour automobiles
DE1480751A1 (de) 1964-07-02 1969-05-08 Daimler Benz Ag Notrad fuer luftbereifte Fahrzeuge,insbesondere Kraftfahrzeuge
GB1249621A (en) * 1969-02-03 1971-10-13 Norman Frank Fendick An auxiliary wheel for a vehicle and a method of mounting the auxiliary wheel
DE8320795U1 (de) 1983-07-15 1983-10-27 Bachert, Tibor, 8450 Amberg Luftreifen fuer fahrzeuge
WO1987005866A1 (fr) 1986-04-04 1987-10-08 Jean Stich Roues juxtaposables, expansibles et antiderapantes, adaptables a toutes conditions, y compris amphibies
EP0606946A1 (fr) * 1993-01-12 1994-07-20 Rav-Car Industries Ltd. Accessoire pour pneus d'automobile

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019141816A1 (fr) * 2018-01-22 2019-07-25 Gv Engineering Gmbh Roue d'urgence
WO2019141817A1 (fr) * 2018-01-22 2019-07-25 Gv Engineering Gmbh Roue pour roulage à plat
CN111886140A (zh) * 2018-01-22 2020-11-03 Gv工程有限责任公司 紧急轮
US11878550B2 (en) 2018-01-22 2024-01-23 Gv Engineering Gmbh Emergency wheel
US12005732B2 (en) 2018-01-22 2024-06-11 Gv Engineering Gmbh Emergency wheel
DE102021006047A1 (de) 2021-12-08 2022-03-17 Daimler Ag Ersatzradvorrichtung für ein Fahrzeug und Verfahren zum Betrieb eines diese Ersatzradvorrichtung aufweisenden Fahrzeugs

Also Published As

Publication number Publication date
AU1967400A (en) 2001-06-04

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