350results about "Underframes" patented technology

Provided is a rail car that is capable of efficiently transmitting vibrational forces that have been transmitted from a bogie via a yaw damper and a yaw damper support to an underframe to a rail car shell, and that is of a simple structure, sufficient mechanical strength, and light weight for reducing the amount of heat applied to perform welding and for allowing a nondestructive inspection to be performed with ease. The rail car includes a rail car shell, a bogie that supports the rail car shell, a yaw damper having an end connected to the bogie, and a yaw damper support to which another end of the yaw damper is connected. The rail car shell includes an underframe including a floor assembly providing a floor and a bolster beam joined to the floor assembly, and a pair of side structures erected at both transverse ends of the underframe. In this rail car, the yaw damper support is fixed to a transverse end of the bolster beam.

A rail vehicle including an underframe that contributes to improvement in assembly and that is light in weight and high in rigidity is provided. The rail vehicle includes an underframe including a floor body structure that forms a floor surface and a bolster. The bolster includes a first shape member arranged at a middle portion of the bolster, at least part of the first shape member being formed by extrusion along a widthwise direction of the floor body structure, a second shape member connected to each of opposite end portions of the first shape member in the widthwise direction of the floor body structure, at least part of the second shape member being formed by extrusion along a lengthwise direction of the floor body structure, and a plate-shaped member connected to a side beam and connected to the second shape member.

A railway system including at least two railway guide systems interfacing at a system conversion station, at least one railway guide system comprising a magnetic levitation railway track and the other railway guide system comprising one of a wheel railway track and a magnetic levitation railway track, the system conversion station comprising a bogie storage zone for storing one or more bogies adapted for locomotion on the first railway guide system and for storing bogies adapted for locomotion on the second railway guide system.

A rail vehicle has improved rigidity against vertical bending vibration while avoiding an increase in mass of the rail vehicle and interference with infrastructure equipment. The rail vehicle includes a roof body constituting an upper surface; a side body constituting a side surface; an end body constituting an end surface in a longitudinal direction of the side body; an underframe constituting a lower surface; and a bogie supporting the underframe, in which the side body includes a plurality of openings and a pier between the openings, and a reinforcing body is arranged on a vehicle interior surface of the pier between one opening situated above the bogie and an other opening adjacent to the one opening and situated near a center in a longitudinal direction of the rail vehicle so as to extend from an upper corner of the one opening toward a lower corner of the other opening.

The embodiment of the invention provides a freight vehicle body and a freight vehicle, and the freight vehicle body comprises a side wall which comprises a plurality of side wall longitudinal beams and side wall vertical beams which are connected to form a side wall framework, and the middle part of the side wall is provided with a side door installation area; the roof comprises a roof longitudinal beam, a first roof camber beam, a second roof camber beam, a door mechanism mounting beam and a roof edge beam; the chassis comprises a chassis upper cross beam, a chassis lower cross beam, a chassis upper edge beam, a chassis lower edge beam and chassis stand columns, and a chassis upper framework and a chassis lower framework are correspondingly formed and connected through the chassis stand columns; the side wall vertical beams, the second roof camber beams and the underframe upper cross beams are correspondingly connected to form an upper closed-loop structure; the underframe upper cross beam, the underframe lower cross beam and the underframe stand columns are correspondingly connected to form a lower closed-loop structure, and at least the upper closed-loop structure and the lower closed-loop structure on the two sides of the side door installation area are correspondingly connected to form a double-closed-loop structure. According to the freight vehicle body and the freight vehicle, the side door with the large width can be arranged, and goods can be loaded and unloaded rapidly.

A welding structure, comprising: a first cover plate (10), a second cover plate (20), web plates (30), and rib plates (40). The first cover plate (10) and the second cover plate (20) are arranged at an interval. Multiple web plates (30) are arranged at intervals in a first direction, and are insertingly fitted to the first cover plate (10) and the second cover plate (20), respectively. Multiple rib plates (40) are arranged at intervals in a second direction, and are insertingly fitted to the first cover plate (10) and the second cover plate (20), respectively. The first direction and the second direction are perpendicular to each other. The web plates (30) and the rib plates (40) are insertingly fitted to each other. According to the welding structure, upper and lower cover plates of a box-shaped structure are insertingly connected and interlocked to form a stable closed box-shaped structure, so that the rigidity of the structure is improved. Also provided are a welding device and a welding method.

The invention discloses a vehicle body and a vehicle for a meter gauge railway transportation container. The vehicle body comprises an underframe body and a locking device, the middle of the underframe body in the longitudinal direction is a concave bottom, and the two ends are flat bottoms. Locking devices are arranged at the four corners of the concave bottom and the four corners of the flat bottom respectively. The concave bottom is used for loading a 20-foot 35-ton open top container; the flat bottom is used for supporting a 40-foot standard container when the 40-foot standard container is loaded. According to the vehicle body for transporting the containers through the meter-gauge railway, through the two end frames shaped like the Chinese character'tian ', the central concave bottom frame shaped like the Chinese character'mu' and the two vertical frames shaped like the Chinese character'vessel ', not only can 40-foot standard containers (the heights of the containers are 2438mm) be loaded, but also 20-foot 35-ton open-top containers (the heights of the containers are 2896mm) can be loaded.

The utility model provides a stainless steel metro car body structure with replaceable modules. The metro car body structure comprises an underframe steel structure, a car roof steel structure, a side wall steel structure, an end wall steel structure, a cab framework structure, an end crushing area and an energy absorption structure. The ground body vehicle body structure has high strength and high safety performance, and the vehicle body structure does not yield under the working condition that the compression load of the end portion is 1800 kN; when destructive accidents such as collision occur, only local replacement or maintenance is needed, the problem that the whole vehicle body system is not suitable for maintenance is solved, the cost is effectively reduced, the service life of an accident vehicle body is prolonged, and the design life of the optimized vehicle body structure can be prolonged to 40 years through simulation analysis and line test data verification.

A bolster structure is capable of securing a prescribed space between a bolster and an underframe, maintaining the rigidity of the bolster structure, and reducing its weight and cost. The bolster structure is provided on an underframe constituting a floor of a railroad vehicle, and is formed by joining a plurality of shaped members having a multi-layer structure in which a width direction of the structure body is an extrusion direction. The plurality of shaped members include: shaped members 15B and 15C having a region in which a part of layers on an underframe side is notched at a center of the structure body in the width direction; and shaped members including a fastening portion formed by notching a part of layers at both ends of the structure body in the width direction. A side beam of the underframe is fixed by the fastening portion.

The utility model belongs to the technical field of sleeper beam structures, and particularly relates to a railway vehicle sleeper beam structure which comprises a sleeper beam, a left supporting beam is fixedly connected to the left side of the sleeper beam, a right supporting beam is fixedly connected to the right side of the sleeper beam, the left supporting beam and the right supporting beam are the same in size, an upper through hole is formed in the sleeper beam, and a lower through hole is formed in the right side of the sleeper beam. The lower end of the sleeper beam is fixedly connected with a supporting column, the supporting column is provided with a lower through hole, the interior of the upper through hole is communicated with the interior of the lower through hole, the upper through hole is formed in the upper end of the lower through hole, the lower ends of the sleeper beam, the left supporting beam and the right supporting beam are each provided with a reinforcing mechanism, and the left supporting beam and the right supporting beam are each provided with a lifting rod mechanism. The front reinforcing block and the rear reinforcing block are connected to the front portion and the rear portion of the reinforcing rib respectively, the left supporting claw and the right supporting claw are connected to the left side and the right side of the reinforcing rib respectively, the stability of the reinforcing rib for connecting the sleeper beam, the left supporting beam and the right supporting beam is improved, protection on the sleeper beam, the left supporting beam and the right supporting beam is improved, and the probability of slag falling after long-time use is reduced.

To provide a thin structural member which contributes to the improvement of assemblability of a vehicle body, is light-weight and has high rigidity, and a railroad vehicle that forms a floor surface with an underframe structure with such a structural member.SOLUTION: A body bolster of a railroad vehicle includes: a plurality of radial ribs arranged radially from the center of a vertical load input unit and having a shape of a protrusion on the surface of a flat plate arranged horizontally with a curvature provided in the longitudinal or width direction of a vehicle more gently as it moves away from the center of the vertical load input unit; and a circular rib arranged intermittently around a vertical load input seating surface so as to overlap the plurality of radial ribs.SELECTED DRAWING: Figure 4

Provided are a rail vehicle including an underframe that contributes to improvement in an assembly property of a vehicle body and that includes a lightweight and highly rigid thin bolster, and a method for manufacturing the same. The rail vehicle includes: the bolster provided in the underframe forming a floor portion; and a bogie provided below the bolster. The bolster includes: side beam abutting portions that are provided at both end portions of the bolster in a width direction along a longitudinal direction of the rail vehicle, and that abut against side beams provided at both end portions of the underframe in a width direction; a center beam abutting portion that is provided at a center portion of the bolster in the width direction along the longitudinal direction of the rail vehicle, and that abuts against a center beam provided at a center portion of the underframe in the width direction; and air spring abutting portions that are provided between the respective side beam abutting portions and the center beam abutting portion, and against which air springs provided in the bogie abut. The air spring abutting portion includes a plurality of ribs formed radially from a substantially center portion of the air spring abutting portion by a machining process.

The invention relates to the technical field of railway vehicle chassis structures, and discloses a hinged type monorail vehicle chassis which comprises a main frame, a sleeper beam and a traction beam. The main frame comprises two sets of side longitudinal beams arranged side by side and two sets of side cross beams used for connecting the two sets of side longitudinal beams. The sleeper beam is parallel to the side cross beams, and the two ends of the sleeper beam are connected to the two sets of side longitudinal beams respectively; the traction beam and the side longitudinal beams are arranged in parallel, the two ends of the traction beam are connected to the two sets of side cross beams respectively, and the traction beam penetrates through the sleeper beam and is fixedly connected with the sleeper beam. And a traction plate is arranged on the traction beam. According to the double-layer truss type structural design, the traction beams, the side cross beams and the sleeper beams are composed, the weight is effectively reduced, and the structural strength and rigidity are guaranteed. Through the simple and convenient structure of the side cross beam, the stress on the side longitudinal beam can be effectively dispersed. The underframe structure is easy and convenient to construct, most of the underframe structure is made of profiles of the same or similar specifications, material preparation is easy and convenient, the welding amount is small, and the manufacturing time is saved by 30% or above.

The present invention provides a support wheel device for a medium and low speed maglev train, which relates to the technical field of maglev trains and includes a seat body, a base and a limiting wheel seat connected in sequence from top to bottom through a support frame. A stepped hole is provided inside the seat body, and an oil cylinder assembly is arranged in the stepped hole. The upper part of the oil cylinder assembly extends out of the upper surface of the seat body. The limiting device is connected to the limiting groove after passing through the limiting hole. A long screw for adjusting the height of the support wheel is arranged at the lower part of the support frame. An inner hole for connecting with the support frame is provided on the base. A positioning block is arranged on the upper surface of the limiting wheel seat, and the positioning block is adapted to the positioning groove on the support frame. The limiting wheel seat is connected with the support wheel through a wheel shaft. The support wheel device for a medium and low speed maglev train provided by the present invention is used for the support and operation when the train suspension fails, effectively solves the problem of vertical skid wear, and reduces the operation cost of the train.

An underframe for a machine may have a first beam extending in a longitudinal direction and a second beam disposed generally parallel to and spaced apart from the first beam in a transverse direction. At least one of the first beam and the second beam may have a lower plate, an upper plate, and a web extending between the lower plate and the upper plate. The underframe may have a cross beam attached to the first and second beams. Further, the underframe may have a bracket transversely aligned with the cross beam. The bracket may include a first leg extending from the lower plate to the upper plate and attached to the web. The bracket may also include a second leg extending from the first leg, the second leg attached to the upper plate. The bracket and the cross beam may be disposed on opposite sides of the web.

The invention relates to a method for under-floor machining, wherein in a first method step (2) a first wheelset (10) or a first wheel (6) and in a second method step (3) a second wheelset (11) or a second wheel (7) is machined by means of a first tool (17), wherein a relative movement between a rail vehicle (1) and the first tool (17) is carried out between the first method step (2) and the second method step (3). According to the invention, in a third method step (4) a third wheelset (12) or a third wheel (8) and in a fourth method step (5) the first wheelset (10), a fourth wheelset (13), the first wheel (6) or a fourth wheel (9) is machined by means of a second tool (18), the second tool (18) being moved between the third method step (4) and the fourth method step (5) for a change in machining position. An increase in servicing and / or maintenance efficiency is thereby made possible.

To provide a railway vehicle which secures enough space for an installation of equipment components and makes the equipment components easily installed.SOLUTION: In a railway vehicle 1 which comprises a truck 16 to travel on a track 25, an underframe 11 supported by the truck 16, a cap beam 113 to constitute the underframe 11 on the truck 16, and a center pin 21 to transfer a tractional force in the track direction caused by traveling of the truck 16, to the underframe 11, the underframe 11 has a middle beam 114 extending in parallel to the track direction at a midship part in a sleeper direction, the center pin 21 is connected to the middle beam 114, the underframe 11 has a rigging space 117A, 117B opening toward outside of the underframe 11 in a neighborhood of the cap beam 113, on a lower face in a track 25 side or on an upper face in an opposite side against the track 25 side.SELECTED DRAWING: Figure 3

According to the anti-collision railway vehicle body provided by the utility model, the structure of the chassis of the vehicle body is optimized; the chassis comprises boundary beams located on the left side and the right side respectively, a cross beam connected with the boundary beams on the two sides, end beams located on the front side and the rear side respectively, a sleeper beam connected with the boundary beams on the two sides, an aluminum floor laid above the cross beam and the sleeper beam, and a car coupler seat arranged below the aluminum floor, and the cross beam, the sleeper beam and the aluminum floor are arranged in a frame structure defined by the boundary beams and the end beams. The structural strength of the chassis is improved, the collision energy absorbing capacity of the chassis of the vehicle body is improved, and the anti-creeper is installed on the end beam located on the front side. The collision capacity is absorbed through the collision anti-creeper and the vehicle body, the vehicle body structure is not damaged at a certain collision speed of the vehicle, and the safety of the railway vehicle is greatly improved. The utility model further provides a railway vehicle with the anti-collision railway vehicle body.

The present application belongs to the field of rail transit, and particularly relates to a modular body suspension shunting locomotive, which comprises the following parts: a power source module, a chassis, a bogie and an undercarriage universal shaft; wherein the bogie is connected with and supports the chassis, the undercarriage universal shaft is connected with the chassis, and meanwhile, the undercarriage universal shaft is connected with the bogie, and the power source module is supported by the chassis; a driving device assembly module is arranged on the chassis, the driving device assembly module penetrates through the chassis and is connected with the undercarriage universal shaft, and meanwhile, the driving device assembly module is connected with the power source module, so that the locomotive moves. The present application uses a body suspension structure, sets a driving device assembly in the middle of the chassis and matches the original hydraulic transmission locomotive bogie interface, realizes the upgrading of the locomotive from hydraulic transmission to electric transmission technology on the basis of retaining the original hydraulic transmission locomotive chassis and bogie structure; and the components such as the converter and the power source are integrated into an independent box type unit, so that the upgrading and assembling efficiency of the locomotive is greatly improved.

The utility model discloses a two-way telescopic portable rail emergency vehicle which comprises an emergency vehicle frame. The emergency vehicle frame comprises a vehicle body, first sliding rails, a first vehicle frame, a second vehicle frame, a supporting plate and second sliding rails, the left end and the right end of the vehicle body are each provided with the two first sliding rails, the first vehicle frame is located on the front side of the vehicle body, the left end and the right end of the first vehicle frame are each provided with a driving wheel, the second vehicle frame is located on the rear side of the vehicle body, and the left end and the right end of the second vehicle frame are each provided with a driven wheel. The first vehicle frame and the second vehicle frame are staggered up and down, supporting plates are arranged at the left end and the right end of a transverse plate of the first vehicle frame and the left end and the right end of a transverse plate of the second vehicle frame correspondingly, second sliding rails are arranged on the surfaces of the supporting plates correspondingly, and the second sliding rails are longitudinally and slidably connected with the first sliding rails corresponding to the first sliding rails in the longitudinal position correspondingly. The space occupation of the rail emergency vehicle is reduced, the human labor investment is reduced, the portability and practicability of the rail emergency vehicle are greatly improved, and the efficiency of rail emergency rescue and construction operation is improved.

The present disclosure relates to a track travelling device, comprising a vehicle body (20), a connection device (40) and two groups of wheels (30). The two groups of wheels (30) are disposed on two sides of the vehicle body (20) respectively and the wheels (30) comprise rims (31) matched with tracks (10). One end of the connection device (40) is connected to a bottom of the vehicle body (20) and the other end of the connection device (40) is connected to the wheels (30). The connection device (40) comprises an elastic member (41) and the elastic member (41) is configured to be deformed under the gravity of the vehicle body (20) to adjust distances between the rims (31) of the two groups of wheels (30). Under the gravity of the vehicle body, the track travelling device of the present disclosure can closely attach the rims of the wheels to side surfaces of the tracks, thereby preventing the vehicle body from swaying side to side. Meanwhile, the connection device comprises the elastic member for adaption to a change of a track gauge.

The utility model discloses a lower side beam assembly of a rail wagon and the rail wagon. The lower side beam assembly comprises a vertical part, a transverse part and a U-shaped part; the length directions of the vertical part, the transverse part and the U-shaped part are consistent with the length direction of the railway wagon; the vertical part is in a flat plate shape and is vertically arranged; the transverse part is in a flat plate shape and is horizontally arranged; one side of the transverse part is connected with one side of the vertical part through an arc-shaped structure, and the radian of the arc-shaped structure is larger than 85 degrees and smaller than 95 degrees. The plane of the upper surface of the transverse part is lower than the plane of the bottom surface of the vertical part; the U-shaped part is located below the transverse part, the transverse section of the U-shaped part is in a U shape, and an opening of the U shape faces the transverse part and is closed by the transverse part; the central face, perpendicular to the width direction, of the U-shaped part is perpendicular to the transverse part. The lower side beam assembly is favorable for reducing the self weight on the basis of stable structure, and is suitable for railway wagons for transporting large-size containers.

A railcar includes a frame configured to support a first container and a second container in an end-to-end configuration. The first bogie assembly is coupled to a first end of the frame such that movement of the frame is decoupled from the first bogie assembly, and the second bogie assembly is coupled to a second end of the frame such that movement of the frame is decoupled from the second bogie assembly. Thereby, twisting and bending of the railcar enables bending and twisting of the frame to maintain the first and second bogie assemblies in contact with the railway, especially when traveling along a bend or slope.

The invention relates to housings for arrangement on the car body of a rail vehicle, wherein the housing comprises a fundamentally cuboid-shaped, closed housing base body with two side walls, two end walls, an upper wall, and a lower wall, wherein the housing base body has an interior space in which electrical, electronic, and / or pneumatic devices can be arranged, is characterized in that it has four support arm sections with a respective mounting area for attaching the housing to supports of the car body, wherein the support arm sections are arranged completely outside the housing base body, and has two frame structures, each made of at least one metal profile, wherein the frame structures are each connected to two of the support arm sections and to edge areas of one of the side walls, the upper wall, and the lower wall, and wherein the frame structures are configuredtogether with the support arm sections, to fully bear the load of the housing body with devices arranged therein, or has two support arms each made of a continuous metal profile, wherein the support arms each form or are connected to two of the support arm sections, wherein the side walls are each made of a metal sheet in a trough shape, wherein a respective trough edge is connected to edge areas of at least the upper wall and the lower wall, wherein the support arms are each arranged on a concave inner surface of one of the side walls facing the interior of the housing and are connected to this side wall, and wherein the side walls are designed to partially bear the load of the housing body with the devices arranged therein.

The embodiment of the invention provides a novel freight floor mounting structure which comprises a plurality of vehicle body mounting seats fixedly arranged on a vehicle body chassis; the bottom of the floor supporting module is located on the vehicle body mounting seat, and the top of the floor supporting module is detachably and fixedly connected with a floor; the bottom of the floor mounting module is located on the vehicle body mounting seat, the top of the floor mounting module is detachably and fixedly connected with a floor, and the bottom of the floor mounting module is detachably and fixedly connected with the vehicle body mounting seat. Through the arrangement of the installation interfaces, the floor and the vehicle body chassis are in a detachable fixed connection mode, modular arrangement can be carried out, the structure is simple, installation is convenient, the application range is wide, and meanwhile, the vehicle body is suitable for freight bale breaking and luggage vehicles without containers.

The invention discloses a railway tank car with heat preservation and heat insulation functions for transporting liquid carbon dioxide. The railway tank car comprises an underframe assembly, a car accessory, a tank body assembly, a loading and unloading system and a tank body support assembly. The tank body assembly comprises a cylinder body, sealing heads are arranged at the two ends of the cylinder body respectively, overhauling assemblies are embedded in the sealing heads, and a transverse tank body base plate and a longitudinal tank body base plate are arranged at the bottom of the cylinder body; an upper support plate of a longitudinal support of the tank support assembly is connected with a longitudinal tank base plate, and the upper support plate is connected with a lower support plate through a longitudinal heat insulation plate; a transverse support of the tank support assembly comprises a web plate, a first supporting plate and a second supporting plate are arranged on the web plate, a first heat insulation plate is arranged on the first supporting plate, a second heat insulation plate is arranged on the second supporting plate, and the second heat insulation plate and the first heat insulation plate are both connected with a transverse tank base plate. The problems that an existing railway tank car heat preservation structure is difficult to manufacture and cannot meet the heat preservation and insulation requirements of liquid carbon dioxide transportation are solved.

The invention relates to the technical field of coal mine fully-mechanized coal mining equipment, in particular to a coal mine fully-mechanized coal mining face self-moving type equipment train. Rectangular grooves are formed in the front and rear sides of the middles of a plurality of sequentially-arranged supporting plates correspondingly, and rails are fixed to the front and rear ends of the top faces of the supporting plates; the rail clamping assembly comprises a base fixed to the middle of the bottom face of the flat car, rail clamping mechanisms with the top ends slidably clamped to the two sides of the middle of the base and a driving mechanism. Brake blocks are fixed to the bottoms of the rail clamping mechanisms. The third lug seats are fixed to the two sides of the middle of the top face of the bottom plate, the bottom ends of piston rods of the jacking oil cylinders are connected to the third lug seats, and the top ends of the piston cylinders are fixed to the bottom face of the flat car. The two ends of the trolley moving oil cylinder are connected to the first lugs corresponding to the two adjacent flat cars correspondingly. The two ends of the plate moving oil cylinder are connected to the second lug seats corresponding to the two adjacent supporting plates correspondingly. The rigid connecting piece is used for connecting two adjacent flat cars; the problem that the rail equipment train on the fully mechanized coal mining face is difficult to safely and efficiently move is well solved.

The utility model discloses a light-weight train body, which relates to the technical field of trains and comprises a bottom frame, side walls and side beam frames are arranged on the outer surface of the upper end of the bottom frame, the side beam frames are positioned on two sides of the side walls, end walls are arranged on the outer surfaces of two ends of the bottom frame, and cross beams are arranged on the outer surfaces of the upper ends of the side beam frames. A ceiling is arranged on the outer surface of the upper end of the cross beam, and a top beam frame is arranged between the ceiling and the cross beam. According to the light-weight train body disclosed by the utility model, four windows between two doors of the original side wall are changed into three windows, namely nine side beam frames are changed into eight side beam frames, so that the weight of the train body can be effectively reduced, and the running cost of a train can be effectively reduced; the sleeper beam and the bottom frame are connected together in a welded mode, longitudinal loads from the suspension frame can be effectively transmitted to the bottom frame, the sleeper beam is transversely welded to the lower chord beam of the side wall, and transverse loads from the suspension frame can be transmitted to the side wall structure.

A chassis edge beam, a chassis structure and a rail vehicle. The chassis edge beam is an aluminum alloy profile structure that is integrally extruded and formed, and comprises a first-layer cavity, a second-layer cavity, a third-layer cavity and a fourth-layer cavity, which are sequentially stacked from top to bottom, wherein the top of the first-layer cavity is provided with a profile insertion structure, which is configured to be inserted in and welded to a side wall of a vehicle body; a profile lap-joint structure with an opening facing an inner side of the vehicle body is formed at an upper edge of an inner side face of the second-layer cavity; and the third-layer cavity has two square-shaped cavities arranged side by side, and a transverse wall of the bottom of each square-shaped cavity is thickened, so as to be used to form a planar structure for mounting an under-vehicle apparatus, an anti-yaw damper and an under-vehicle apparatus compartment, and for connecting a bogie to the vehicle body. The chassis edge beam can meet limiting requirements of different vehicle limits at home and abroad for the outer contour of a vehicle body structure, and can be flexibly fit with vehicle body structures having different vehicle widths.

To achieve relaxing of an impact load and protection of a living space in a railroad vehicle provided with an impact absorption structure for absorbing collision energy.SOLUTION: In a railway vehicle 1, a front frame 41 is erected at a front side end part in a vehicle longitudinal direction X of a base frame 2. In the railway vehicle 1, a support frame 10A is installed with a clearance S11 behind the front frame 41. The support frame 10A is formed in a V shape, and both end parts are fixed to the base frame 2. The clearance S11 is provided so as to bring the front frame 41 into contact with the support frame 10A after the front frame 41 is plastically deformed.SELECTED DRAWING: Figure 1