RS56381B1 - Bogie for multi-section rail vehicles and multi-section rail vehicle - Google Patents

Description

Description of the invention

[0001] The present invention relates to a bogie for multi-part rail vehicles according to the preamble of claim 1, as well as to a multi-part rail vehicle according to the preamble of claim 6.

[0002] A three-axle bogie with the characteristics defined in the preamble of claim 1 is known from DE 2016754 A. A multi-part rail vehicle with the characteristics defined in the preamble of claim 6 is known from De 102012002611 A. The invention relates to a three-axle bogie for rail vehicles with 6 wheels and a split frame that is made of two frame elements. The undercarriage also contains a middle set of wheels and two end sets of wheels, the mutual position of which can be changed to improve the ability to pass through curves. In the case of three-axle bogies of this type, especially for passenger cars and locomotives, three sets of wheels are mounted on one element of the frame. A set of wheels, which consists of two wheels, which are, for example, rigidly connected to each other via the axis of the set of wheels or are designed as a set of free wheels, carry and guide the rail vehicle on the track and transmit driving forces and braking forces to the track.

[0003] In the state of the art, both three-axle turntables with a one-piece frame and three-axle turntables with a three-piece frame are described. For these purposes, the documents DE 1292157 A, DE 2123115 A and DE 102010040955 B4 are specifically mentioned. These known turntables are structurally complex to manufacture and cause high production costs. In addition, they do not sufficiently enable only the use of the envelope when passing through the curve of the track.

[0004] Multi-part rail vehicles, which consist of at least two wagon bodies, which are connected to each other in the middle via a joint (Jakob construction), usually stand on three bogies, with the middle bogie placed under the joint. The pivot point of the joint and the pivot point of the middle bogie lie above each other. The construction of the above-mentioned type is described in AT-PS 11726. These are passenger cars consisting of several mutually articulated segments, where each two ends facing each other rest on a common bogie. This type of construction, which was later named Jakob's bogie after the inventor, is used today in many rail vehicles around the world.

The advantages are the smooth movement of the vehicle, small lateral displacements when passing through curves, as well as cost and weight savings. A multi-part rail vehicle with a two-axle bogie and an intermediate car is described in DE - AS 1142894. However, this document also already describes the application of three-axle bogies, but also their disadvantages, since the disclosure described in this document is based on an articulated rail vehicle with an intermediate car and two-axle bogies.

[0005] Such multi-part rail vehicles with bogies with Jacob construction or quasi-Jacob construction also have the disadvantage that the use of the envelope is bad, since the wagon bodies in the arc of the curve lean heavily towards the inside, which results in very high wear of the envelope on the inside of the curve, while at the same time the envelope on the outside of the curve is only poorly used, which limits the total length of the vehicle. The last mentioned has the effect that the appropriate length of the wagon, which is distributed over a certain number of wheel support points, results in a special axle load or joint load. The Jacobian or quasi-Jacob construction is characterized by the fact that, thanks to the specific arrangement of bogies between both car bodies, one bogie can be saved, compared to their arrangement in a classic train, where the wagon body rests on two bogies. This limits the possibilities of vehicle composition.

[0006] That is why the objective of the present invention is to realize a bogie for a multi-part rail vehicle, which would enable optimal use of the envelope of the vehicle with a quasi-Jakob construction, which would improve it. Furthermore, an improvement in the amount of axle load for longer vehicles is possible. The construction with 3 instead of 2 axles at the middle bogie, i.e. with 6 instead of 4 wheels, specifically solves the problem of high load on the wheel set when the masses of wagon bodies that load this bogie become too large due to the large distances to the support points of the following bogies. The invention also further includes a multi-part rail vehicle, which contains at least one such bogie, which can optimize the envelope of the rail vehicle, leading to an improvement in the geometry of the wagon body.

[0007] According to the invention, this task is solved by the features according to claims 1 and 6. Other preferred embodiments of the invention are contained in the corresponding dependent claims.

[0008] Accordingly, the invention relates to a three-axle bogie for multi-part rail vehicles, wherein the bogie is designed as a bogie with 6 wheels and contains at least two frames of the bogie, wherein the bogie has a passage support that is equipped with cantilever supports. The space gained in the interior thanks to the cantilever supports primarily allows the bogie to be designed as a three-axle bogie, which can reduce the axle load compared to a two-axle bogie. The cantilever supports lie opposite each other along the longitudinal axis of the bogie as a continuation of the gangway supports, and at the same time extend well beyond both frames of the bogies to the outside.

[0009] According to a special characteristic, it is provided that both frames of the turntables are connected via one connecting lever and free wheels mounted on one frame of the turntables, where the connecting lever in connection with both free wheels forms the middle axis of the turntable.

[0010] Furthermore, it is particularly desirable that both cantilever supports have one segment, which is bent from the passage support, and one horizontal segment, which continues on it and extends approx. at the height of the axles of the wheels of the bogie, where the horizontal segments of the cantilever supports are fitted with the corresponding joints, which are primarily designed as spherical joints.

[0011] According to another characteristic, it is primarily intended that primary suspensions be placed in the area of the axles of the wheels and free wheels, and that one cradle be placed on the secondary suspensions between both frames of the bogies and the passage supports.

[0012] Furthermore, it is primarily intended that the bogie be designed as a special drive bogie, where at least one drive module is provided in the area of each outer side of the wheels, which consists of a motor-transmission unit.

[0013] The invention also relates to a multi-part rail vehicle with multiple wagon bodies connected to each other, whose ends of the wagon bodies without free wheels have an intermediate body placed between them, whereby the ends of the wagon bodies facing each other rest on the bogie, which is designed as a bogie with 6 wheels and contains at least two bogie frames.

[0014] The bogie primarily contains one passage support, which on its sides facing the ends of the car body has cantilever supports, which extend outwards over both frames of the bogies and at the same time engage under the ends of the car body and the ends of the car bodies are connected by articulated joints that are placed on the cantilever supports.

[0015] According to one special characteristic of the invention, it is provided that both frames of the turntables are interconnected via one connecting lever and free wheels mounted on one frame of the turntables, where the connecting lever forms the middle axis of the turntable.

[0016] According to one particularly desirable characteristic, it is provided that both cantilever supports have one segment, which is bent from the passage support, and one horizontal segment, which continues on it and which extends approx. at the height of the axles of the wheels of the turntable, where the horizontal segments of both cantilever supports are fitted with hinged joints, which are primarily designed as spherical joints.

[0017] According to another characteristic, primary suspensions are installed in the area of wheel axles and free wheels, and secondary suspensions and cradles are installed between both frames of the bogies and the passage supports.

[0018] The turntable is primarily designed as a special drive turntable, where at least one drive module is provided in the area of the outer sides of the wheels, which consists of a motor-transmitter unit.

[0019] It is particularly preferable that the wagon body, which is designed as an intermediate wagon body, be made as a closed wagon body or as a wagon body with passages to adjacent wagon bodies, without special modification on the bogie with 6 wheels.

[0020] According to one next characteristic, the intermediate body of the wagon is fully or partially provided for reception, or. holding electrical, electronic and/or technical equipment.

[0021] Other details, features and advantages of the invention will become clear from the following description of exemplary embodiments with reference to the accompanying drawings.

[0022] Here it shows:

Fig. 1: axonometric view of a three-axis turntable with a two-part frame,

Fig. 2: bottom view of a three-axis bogie with a two-part frame,

Fig.3: side view of a multi-part rail vehicle in section,

Fig.4: side view of a multi-part rail vehicle in section.

[0023] Fig. 1 and 2 show one variant of an example of a three-axle bogie for multi-part rail vehicles. The turntable 1 is designed as a turntable with 6 wheels and contains two turntable frames 1.1, 1.2. The turntable 1 has one support 2 passages, which is equipped with cantilever supports 2.1, 2.2. The cantilever supports 2.1, 2.2 lie opposite each other along the longitudinal axis of the turntable 1 and extend outwards over both frames 1.1, 1.2 of the turntable. Both frames 1.1, 1.2 of the turntables are connected to each other via one connecting lever 1.3 and free wheels c, d mounted on one of the frames 1.1, 1.2 of the turntables. At the same time, the connecting rod 1.3 in connection with the free wheels forms the middle axis y of the bogie 1. Both cantilever supports 2.1, 2.2 each have one segment 2.1.a, 2.2.a, which is bent from the support 2 of the passage in the direction of the wheel axes, and one horizontal segment 2.1.b, 2.2.b, which continues on it and extends approx. at the height of the axles of the wheels of the turntable. On the horizontal segments 2.1.b, 2.2.b of the cantilever supports 2.1, 2.2, hinged joints 2.3, 2.4, which are primarily designed as spherical joints, are placed. Primary suspensions 3 are provided in the area of the axles x, y, z of the wheels, while secondary suspensions 4 and cradles 5 are installed between the frames 1.1, 1.2 of the bogies and the cantilever supports 2, which are installed in a known manner. Each cradle 5, which is provided on each frame 1.1, 1.2 of the turntable, has one connection with the support 2 passages. Each secondary suspension 4, which is provided on each frame 1.1, 1.2 of the bogie, is positioned so that it is offset relative to the pivot point of the bogie. The turntable 4 is designed as a special powered turntable. In the area of the outer sides of the wheels a, c; d, f each has one drive module 6, which consists of a motor-transmitter unit.

[0024] Fig.3 and 4 show a multi-part rail vehicle according to the invention with several interconnected car bodies 10, 20, 30, between the ends of which 11, 21 car bodies without free wheels is placed an intermediate car body 30. In this case, the mutually facing ends of the bodies 10, 20 of the wagons rest on the bogie 1. The bogie 1, which has already been described above, is designed as a bogie with 6 wheels. Furthermore, the bogie 1 contains one support 2 passages, which on its sides facing the ends 11, 21 of the wagon body has cantilever supports 2.1, 2.2, which extend outwards over the frames 1.1, 1.2 of the bogies and thereby engage under the ends 11, 21 of the wagon bodies, the ends 11, 21 of the wagon bodies being connected by hinge joints 2.3, 2.4 placed on cantilever supports 2.1, 2.2. To avoid repetition, the bogie description for a multi-part rail vehicle is based on above. nav. performances.

[0025] The car body 30, which is designed as an intermediate body, is in one version of the embodiment of Fig. 3 performed as a closed car body 30a, and according to the next variant of the performance of Fig. 4 is performed as a car body 30b with passages for passengers to the adjacent bodies 10, 20 of the cars. At the same time, the body of 30 wagons, according to one version of the design, can be made, in whole or in part, for receiving, or holding electrical, electronic and/or technical equipment.

Claims (12)

Patent claims 1. Three-axle bogie for multi-part rail vehicles, wherein the bogie (1) is designed as a bogie with 6 wheels and contains at least two frames (1.1, 1.2) of bogies, wherein the bogie (1) has a support (2) of the passage, which is equipped with cantilever supports (2.1, 2.2), characterized in that the cantilever supports (2.1, 2.2) lie one opposite the other along the longitudinal axis of the turntable (1) and extending outwards over at least two frames (1.1, 1.2) of the turntable. 2. The turntable according to claim 1, characterized in that both frames (1.1, 1.2) of the turntables are connected to each other via one connecting lever (1.3) and free wheels (c, d) mounted on one frame (1.1, 1.2) of the turntables, wherein the connecting lever (1.3) forms the middle axis (y) of the turntable (1). 3. The turntable according to claims 1 and 2, characterized in that both cantilever supports (2.1, 2.2) each have one segment (2.1.a, 2.2.a), which is bent from the support (2) of the passage in the direction of the wheel axles, and one horizontal segment (2.1.b, 2.2.b), which continues on it and extends approx. at the height of the axles of the wheels of the bogie, where the horizontal segments (2.1.b, 2.2.b) of the cantilever supports (2.1, 2.2) are fitted with joint joints (2.3, 2.4), which are primarily designed as spherical joints. 4. The turntable according to one of claims 1 to 3, characterized in that primary suspensions (3) are provided in the area of the axles (x, y, z) of the wheels and secondary suspensions (4) and cradles (5) are placed between the frames (1.1, 1.2) of the turntable and the support (2) of the passage. 5. The turntable according to one of the claims 1 to 4, characterized in that the turntable (4) is designed as a special drive turntable, where at least one drive module (6) is provided in the area of the outer sides of the wheels (a, c; d, f), which consists of a motor-transmission unit. 6. A multi-part rail vehicle with a number of interconnected wagon bodies (10, 20, 30), whose ends (11, 21) of the wagon bodies without free wheels have an intermediate wagon body (30) placed between them, whereby the ends of the wagon bodies (10, 20) facing each other rest on the bogie (1), the bogie (1) being designed as a bogie with 6 wheels and contains at least two bogie frames (1.1, 1.2), indicated by the fact that the bogie (1) contains a support (2) of the passage, which on its sides facing the ends (11,21) of the wagon body has cantilever supports (2.1, 2.2), which extend outwards over the frames (1.1, 1.2) of the bogies and engage under the ends (11,21) of the wagon body, the ends (11,21) of the wagon body being connected with spherical joints (2.3, 2.4), which are placed on cantilever supports (2.1, 2.2). 7. Rail vehicle according to claim 6, characterized in that the frames (1.1, 1.2) of the bogies are connected to each other via one connecting lever (1.3) and free wheels (c, d) mounted on one frame (1.1, 1.2) of the bogies each, with the connecting lever (1.3) forming the middle axis (y) of the bogie (1). 8. Rail vehicle according to claims 6 and 7, characterized in that the cantilever supports (2.1, 2.2) have a segment (2.1.a, 2.2.a), which is bent from the support (2) of the passage, and one horizontal segment (2.1.b, 2.2.b), which continues on it and extends approx. at the height of the axles of the wheels of the bogie, where the horizontal segments (2.1.b, 2.2.b) of the cantilever supports (2.1, 2.2) are fitted with joint joints (2.3, 2.4), which are primarily designed as spherical joints. 9. A rail vehicle according to one of claims 6 to 8, characterized in that primary suspensions (3) are provided in the area of the axles (x, y, z) of the wheels, while secondary suspensions (4) and cradles (5) are provided between the frames (1.1, 1.2) of the bogies and the supports (2) of the passage. 10. A rail vehicle according to one of claims 6 to 9, characterized in that the bogie (4) is designed as a special drive bogie, with at least one drive module (6) consisting of a motor-transmitter unit provided in the area of the outer sides of the wheels (a, c; d, f). 11. Rail vehicle according to one of claims 6 to 10, characterized in that the car body (30), which is designed as an intermediate car body, is designed as a closed car body (30a) or as a car body (30b) with passages to adjacent car bodies (10, 20). 12. Rail vehicle according to claim 11, characterized in that the body (30) of the wagon is fully or partially provided for receiving, or holding electrical, electronic and/or technical equipment.