EP1098801B1 - Rail vehicle and running mechanism therefor - Google Patents

Rail vehicle and running mechanism therefor Download PDF

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Publication number
EP1098801B1
EP1098801B1 EP19990940050 EP99940050A EP1098801B1 EP 1098801 B1 EP1098801 B1 EP 1098801B1 EP 19990940050 EP19990940050 EP 19990940050 EP 99940050 A EP99940050 A EP 99940050A EP 1098801 B1 EP1098801 B1 EP 1098801B1
Authority
EP
European Patent Office
Prior art keywords
rail vehicle
frame
carriage
longitudinal
running
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.)
Expired - Lifetime
Application number
EP19990940050
Other languages
German (de)
French (fr)
Other versions
EP1098801A1 (en
Inventor
Cornelis Pieter Keizer
André VAN DER STEEN
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.)
Stork RMO BV
Original Assignee
Stork RMO BV
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
Priority to NL1009685 priority Critical
Priority to NL1009685A priority patent/NL1009685C2/en
Application filed by Stork RMO BV filed Critical Stork RMO BV
Priority to PCT/EP1999/005330 priority patent/WO2000003905A1/en
Publication of EP1098801A1 publication Critical patent/EP1098801A1/en
Application granted granted Critical
Publication of EP1098801B1 publication Critical patent/EP1098801B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F3/00Types of bogies
    • B61F3/12Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains
    • B61F3/125Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains with more than one axle or wheel set

Description

In many city areas the tram is still one of the most efficient means of public transport, for example due to the fact that in such city areas it is practically almost impossible to construct an underground rail system.

Since tram carriages have insufficient capacity during the rush hour in many cities, there exists the need for longer carriages for trams. However, this entails the problem that the so called profile of available free area on both sides of the rails is often limited. With longer carriages, these carriages sway out further than is desirable in the bends, especially in S-shaped bends, which makes an extension of such carriage, taken into consideration the available free area, practically impossible.

A train is known from the French patent publication FR-A-2 126 781 which is provided with a construction for limiting swaying out in connection with the available free area. Here, the carriages are supported on a beam which is displaceable against a spring mechanism in the transverse direction with respect to the chassis.

The present invention aims to provide a rail vehicle, especially a tram, wherein the available free area is utilized as optimally as possible and wherein a light construction requiring little maintenance is utilized.

The present invention aims to provide a rail vehicle, such as a tram or a train, wherein the available free area is utilized as optimally as possible.

The present invention provides a rail vehicle comprising:

  • two or more carriage parts;
  • a running mechanism having a frame and two or more wheel axles;
  • bearing means arranged substantially longitudinally at a distance from the heart of the frame for supporting the running means on the frame, wherein at least one of the carriage parts is substantially movable in a longitudinal direction with respect to the bearing means; and
  • coupling means arranged on the carriage parts for rotatably coupling the carriage parts to one another.

Since the carriage parts are rotatably coupled to one another and at least one of the carriage parts is somewhat shiftable with respect to the frame of the bogie, the point of rotation between the carriages is forced somewhat outwards during passage through a bend, whereby the available free area for a determined length of carriages can become smaller, or whereby the carriages can be extended to the same order of the available free area.

It is an object of the invention according to Claim 1 to alleviate said drawbacks. This object is achieved with a rail vehicle according to Claim 1 and with a running mechanism according to Claim 7.

A first preferred embodiment comprises a longitudinal beam rotatably arranged near the heart of the bogie. Although a groove can be arranged in one or both ends of the longitudinal beam, wherein a downwardly disposed pin, arranged on the carriage parts, can rest, the equator beam is preferably provided with upstanding pins, along which a construction part can shift on a carriage part and wherein this is also rotatable.

By a further developed embodiment, the bearing means, which preferably comprise hingeable knee parts and hingeable arms secured thereto, are arranged sideways with respect to the central axis of the rail vehicle. In this way a tram with a relatively low floor can be realized which provides a large advantage on stepping into the tram.

The present invention also provides a running mechanism for a rail vehicle, comprising a frame and two or more wheel axles arranged on the frame, and a rotatable longitudinal beam arranged near the heart of the frame for supporting carriage parts on the heart at a longitudinal distance therefrom. With this running mechanism carriages can be used which can be coupled together, for example rotatably, by means of coupling means.

Preferably a carriage according to the present invention, is supported near the middle of the longitudinal sleepers of the bogie by means of standards which are rotatably or hingeable arranged on both the carriage parts and the running mechanism.

According to another aspect of the present invention there is provided a rail vehicle, comprising:

  • one or more carriages
  • a running mechanism with two or more wheel axles
  • at least one standard, which on one side is hingeable attached to longitudinal sleeper of the frame and on the other side is hingeably arranged on the carriage part at a considerable height with respect to the frame.

In this way the weight of the carriage is supported as near as possible to the centre of the running mechanism.

The bodywork of the carriage is preferably synthetic, which considerably decreases the weight thereof. Accordingly the energy required for the traction is also limited, while the amount of maintenance needed is reduced.

A hingeable transverse beam is preferably arranged on the standard, which is provided on both ends thereof with hingeable arms, which on the other sides thereof are hingeable arranged on the carriage parts. Thanks to this construction it is possible, also in the case of a tram with a low floor, to follow all the movements of the carriages with respect to each other, wherein the weight thereof remains supported on the middle piece of the longitudinal sleepers of the chassis.

Further advantages, characteristics and details of the present invention will be clarified with respect to the following drawings, which show:

  • figure 1 a partially broken away perspective view of a first preferred embodiment of a rail vehicle and bogie according to the present invention;
  • figure 2 an above view to clarify the working of the rail vehicle shown in figure 1;
  • figure 3A-D respective, schematic views of the rail vehicle according to figure 1 and 2, which are pulled forward within a profile of available area;
  • figure 4a perspective view partly broken away of a further embodiment of a rail vehicle according to the present invention; and
  • figure 5A-C respective views of the further preferred embodiment.

A preferred embodiment of a rail vehicle 10 with a running mechanism 12 (figure 1 and 2) comprises two schematically shown carriage parts 11 and 13 (for example having a length of around 6,5 m and a breadth of around 2,3 m) where between a harmonica structure can extend with which the interior of the vehicle parts 11 and 13 are joined to one another.

The running mechanism 12 comprises two wheel axles 15 and 16 of which the wheels 17 can roll over rails R. The wheels are suspended in longitudinal sleepers 18, 19, where between a transverse beam construction 20 extends. Near the heart of the bogie a so called equator beam 21 is rotatably arranged on the transverse construction which is provided on both sides with pins 22 and 23 respectively about which ears 24 and 25 respectively are arranged on the vehicle parts 13 and 11 respectively, which are rotatable. A grove like hole 26 is arranged in ear 24.

The vehicle parts 11 and 13 are furthermore rotatably joined to each other via V-shaped beams 30, 31, which can both turn on a common axle 32.

By another not shown preferred embodiment, both carriage parts can be shiftably supported on bearings for forcing the vehicle parts towards and away from each other.

The vehicle part 13 of the embodiment shown in figures 1 and 2 is furthermore provided with protruding plate parts 40 and 41 on which straight upstanding rods 42, 43 respectively are hingeably or rotatably arranged which on the other rotatably or hingeably are arranged near the middle of the longitudinal sleepers 18, 19 respectively. In this way the weight of the carriage part 13 is supported as well as possible on the running mechanism 12. Spring elements 44, 45 respectively are preferably associated in or on the rods 42 in order to compensate for differences in length of the rods, which can occur during passage around a bend or on a hill.

As will become especially clear in the view from above of figure 2, on pulling the carriage parts 13 and 11 through a bend shaped rail part, the hingeable axle 32 is moved from the heart of the bogie 12, whereby the grove like hole 26 displaces itself in the ear 24, also somewhat in the direction of the vehicle part 13, whereby swaying out of the vehicle parts 11 and 13 is restricted with respect to each other. Furthermore in this manner the walk through area remains well defined between the vehicle parts, which is advantageous for wheel chair users and passenger with prams and the like.

It will be clear that the above described running mechanism can be arranged at one or more locations of different assemblies of trains or trams. In figures 3A-D a configuration is shown wherein such a running mechanism is arranged between the middle wagons 11 and 13, whilst the front and rear wagons of the tram are provided with a ridged or rotatable running mechanism. In figures 3A-D an available area having the size of d is present on both sides of a heart line H shown with a slash-dot line. As is apparent from figures 3A-D, wherein a somewhat S-shaped bend is shown, the carriage parts 11 and 13 remain within the available free area, defined by the broken lines.

In a further preferred embodiment (figure 4A-C), a rail vehicle 50 comprises two carriages parts 51 and 52 which are rotatably joined together and where between a gangway 53 is created above a rotation disk 54. On both sides of the gangway 53 bellow parts 55, 56, 57 and 58 are to be found.

The carriage parts are preferably light in weight and for example constructed of synthetic material, which can lead to a saving in weight with respect to existing rail carriages of around 20%, whereby a considerable saving in energy is provided. The underside of the synthetic bodywork of the carriage parts is preferably arranged as close as possible to the ground in which the rails are arranged, to thus provide easy entrance and exit to and from such a tram, in the present embodiment at a height h of roughly 320 mm. At the entry doors of the carriages the floor can be locally lowered to for example 240 mm above the road, so that the aged and wheel chair bound can easily access the tram.

In order to support the weight of the bodywork of the carriages 51 and 52 on the chassis 60, tree like support constructions 61 and 62 are arranged on both sides of the gangway 53 between the bellow parts, which also have to be guided, or secured, underneath the bodywork, which each comprise a standard 63, which is secured via a spring element 64 to the chassis 60. Furthermore a transverse arm 66 is secured via a ball hinge 65 to the end of the standard 63 whilst downwardly directed arms 69, 70 respectively are arranged on the ends of the transverse arms 66 via ball hinges 67 and 68, which arms 69, 70 are in turn via the ball hinges 71 and 72 secured to the ears 73, 74 respectively on the carriages 51 and 52 respectively. This support construction enable the desired movements of the carriage parts with respect to each other in S-bends, on inclines and leanings possible, wherein the weight of the carriages is supported on the chassis and wherein the underside of the carriage parts is prevented from contacting the ground in practically occurring inclines.

Just as with respect to the embodiment shown in figures 1 and 2, the swaying out of the carriages outside of the available free area is prevented by a construction which reduces swaying out of the carriages through bends.

Since the area below the gangway 53 is limited in the described preferred embodiment, this construction is arranged on one side, in the present case, between the bellow parts 57 and 58. This construction comprises two knee parts hingeably arranged on the chassis and arms 83 and 84 hingeably secured thereto, which are hingeably arranged on the other side to the carriage 51, 52 respectively. These components form together the same working as an equator beam provided with a grove as shown in figures 1 and 2, i.e. that the carriages 51 and 52 are forced towards one another in a bend.

The present invention is not limited to the above described preferred embodiment thereof; the requested rights are determined by the following claims, within the range of which many modifications are conceivable.

Claims (13)

  1. Rail vehicle (10,50), comprising:
    two or more carriage parts (11,13; 51,52);
    a running mechanism (12) having a frame and two or more wheel axles (15,16);
    bearing means (21-23; 81-84) arranged substantially at a longitudinal distance from the heart of the frame for supporting the carriage parts (11,13) on the frame, wherein at least one of the carriage parts is substantially movable in a longitudinal direction with respect to the bearing means; and
    coupling means (30,31) arranged on the carriage parts for rotatably coupling the carriage parts to one another.
  2. Rail vehicle according to claim 1, wherein the frame comprises longitudinal sleepers (18,19) and a transverse beam construction (20) and the bearing means comprise a longitudinal beam (21) rotatably arranged on the transverse beam construction.
  3. Rail vehicle according to claim 2, wherein the longitudinal beam (21) is formed by an equator beam having two upstanding pins (22,23), wherein the first pin (23) is rotatably connected to the first carriage part, whilst a second pin (22) is rotatably and shiftably joined with the second carriage part.
  4. Rail vehicle according to claim 1, 2 or 3, wherein the coupling means comprise a first beam (30) being substantially V-shaped when viewed from above on a first carriage part and a second V-shaped beam (31) being substantially V-shaped when viewed from above, wherein both V-shaped beams are arranged on a common rotation axle (32).
  5. Rail vehicle according to any of the preceeding claims, provided with at least one standard (42,43), which on one side is hingeably arranged on a longitudinal sleeper of the frame and on the other side is arranged on a carriage part at a considerable height with respect to the frame.
  6. Rail vehicle according to claim 5, wherein the standard is provided with a spring element (44,45).
  7. Rail vehicle according to claim 1 or 2, wherein the bearing means comprise two angular arms (81,82) hingeably arranged on the chassis as well as two hingeable arms (83,84) arranged thereon, which are arranged on the other sides of the respective carriage parts.
  8. A running mechanism (12) for a rail vehicle comprising a frame and two or more wheel axles arranged on the frame, and bearing means comprising a longitudinal beam (21), hingeably arranged near the heart of the frame for supporting carriage parts on the heart at a longitudinal distance therefrom.
  9. A running mechanism according to claim 8, destined for a rail vehicle according to any of the claims 1 - 7.
  10. Rail vehicle as in any of claims 1-7 comprising:
    one or more carriage parts (51,52);
    a running mechanism with a frame and two or more wheel axles;
    at least one standard (63) which is hingeably arranged on one side on the frame and on the other side is hingeably arranged on a carriage part on a considerable height with respect to the frame.
  11. Rail vehicle according to claim 1, 5, 6, 7 or 10, wherein the bearing means are arranged obliquely with respect to the heart line of the rail vehicle.
  12. Rail vehicle according to any of the preceeding claims 1-7, 10 or 11, wherein the carriage parts comprise a synthetic bodywork.
  13. Rail vehicle according to claims 5, 6, 7, 10, 11 or 12, wherein a hingeable transverse beam is arranged on the standard, which is provided at both extremities thereof with hingeable arms, which are hingeably arranged on the carriage parts.
EP19990940050 1998-07-17 1999-07-16 Rail vehicle and running mechanism therefor Expired - Lifetime EP1098801B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL1009685 1998-07-17
NL1009685A NL1009685C2 (en) 1998-07-17 1998-07-17 Rail vehicle and running gear therefor.
PCT/EP1999/005330 WO2000003905A1 (en) 1998-07-17 1999-07-16 Rail vehicle and running mechanism therefor

Publications (2)

Publication Number Publication Date
EP1098801A1 EP1098801A1 (en) 2001-05-16
EP1098801B1 true EP1098801B1 (en) 2004-06-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990940050 Expired - Lifetime EP1098801B1 (en) 1998-07-17 1999-07-16 Rail vehicle and running mechanism therefor

Country Status (8)

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EP (1) EP1098801B1 (en)
AT (1) AT268286T (en)
AU (1) AU5413699A (en)
DE (1) DE69917783D1 (en)
DK (1) DK1098801T3 (en)
ES (1) ES2217793T3 (en)
NL (1) NL1009685C2 (en)
WO (1) WO2000003905A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213435A1 (en) * 2002-03-26 2003-10-09 Alstom Lhb Gmbh Connection and transition system for articulated parts of a multi-part rail vehicle that are supported by a common running gear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE552538C (en) * 1929-11-14 1932-06-15 Orenstein & Koppel Ag Wagengelenkzug
NL254316A (en) * 1959-07-30
ZA7200623B (en) * 1971-02-09 1972-10-25 British Railways Board Improvements relating to articulated trains
GB2270663B (en) * 1992-09-19 1995-12-13 Powell Duffryn Standard Ltd Bogie rail vehicles and methods of designing such vehicles

Also Published As

Publication number Publication date
DE69917783D1 (en) 2004-07-08
NL1009685C2 (en) 2000-01-19
ES2217793T3 (en) 2004-11-01
AU5413699A (en) 2000-02-07
AT268286T (en) 2004-06-15
WO2000003905A1 (en) 2000-01-27
EP1098801A1 (en) 2001-05-16
DK1098801T3 (en) 2004-10-04

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