Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61F—RAIL 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
  • B61F3/00—Types of bogies
  • B61F3/12—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains
  • B61F3/125—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains with more than one axle or wheel set

Definitions

• 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.
• 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:
• a first preferred embodiment comprises a longitudinal beam rotatably arranged near the heart of the bogie.
• 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.
• 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.
• 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.
• carriages can be used which can be coupled together, for example rotatably, by means of coupling means .
• 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.
• a rail vehicle comprising:
• 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:
• FIG. 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;
• FIG 4 a perspective view partly broken away of a further embodiment of a rail vehicle according to the present invention.
• - 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.
• 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.
• 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.
• 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.
• gangway 53 is created above a rotation disk 54.
• 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.
• 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.
• 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.
• 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.

Applications Claiming Priority (3)

Publications (2)

Family

ID=19767518

Family Applications (1)

Country Status (8)

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Family Cites Families (4)

• 1998
  • 1998-07-17 NL NL1009685A patent/NL1009685C2/nl not_active IP Right Cessation
• 1999
  • 1999-07-16 WO PCT/EP1999/005330 patent/WO2000003905A1/fr active IP Right Grant
  • 1999-07-16 DK DK99940050T patent/DK1098801T3/da active
  • 1999-07-16 AT AT99940050T patent/ATE268286T1/de not_active IP Right Cessation
  • 1999-07-16 EP EP99940050A patent/EP1098801B1/fr not_active Expired - Lifetime
  • 1999-07-16 ES ES99940050T patent/ES2217793T3/es not_active Expired - Lifetime
  • 1999-07-16 AU AU54136/99A patent/AU5413699A/en not_active Abandoned
  • 1999-07-16 DE DE69917783T patent/DE69917783D1/de not_active Expired - Fee Related

Non-Patent Citations (1)

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