CN116176644A - Side beam bearing joint type chassis in railway and railway wagon - Google Patents

Abstract

The invention discloses a railway middle side beam bearing articulated chassis and a railway wagon, which solve the problems of limited load and large dead weight of the articulated chassis in the prior art, and have the advantages of reasonable structural arrangement, reduced bending moment at a middle beam structure and ensured load of the chassis, and the concrete scheme is as follows: the utility model provides a curb girder bears articulated chassis in railway, including two at least groups chassis constitution, connect through joint connector between two adjacent groups chassis constitution, every chassis constitution includes the end and pulls the pillow structure, the end is pulled the pillow structure and is located the one end that the chassis is constituteed, the chassis constitutes the other end and sets up the tie-beam, the tie-beam is connected through the curb girder respectively with the both sides of end and pulls the pillow structure, the tie-beam is connected through the well roof beam structure with the middle part of end and pulls the pillow structure, transverse connection has the crossbeam structure between well roof beam structure and the curb girder, well roof beam structure includes two at least longerons, the interval sets for the distance between two adjacent longerons.

Description

Side beam bearing joint type chassis in railway and railway wagon

Technical Field

The invention relates to the field of railway trucks, in particular to a side beam bearing articulated chassis in a railway.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

No matter how large the proportion of railway freight in the transportation market, the development of heavy load and the transportation of container freight are placed in important positions. The heavy load is pursued for developing constant cargo transportation, the container transportation is a dominant mode for increasing the transportation capacity, the existing container transportation is supported by a chassis, and the existing container transportation also has some chassis structures connected by joint connectors, but the following problems exist in the prior art:

the first chassis and part of the chassis have no middle beam structure, the double-side beams need to have a larger section to ensure the rigidity of the vehicle body, and for this reason, the chassis needs to have enough dead weight to ensure balance, and the like, so that the chassis has a heavy dead weight.

The second, part chassis have the center sill, but the center sill structure sets up unreasonably, and especially transverse cross section is less, and though automobile body rigidity promotes to some extent, nevertheless in the atress aspect, because of the container bears the weight of needs to transmit to the center sill from the curb girder, and the distance of curb girder to the center sill is longer in the current design, and corresponding arm of force just is longer, and the moment of flexure of center sill department is bigger to influence the load problem of chassis.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide the side beam bearing joint type underframe in the railway, which can effectively reduce the dead weight and has the advantage of great load.

In order to achieve the above object, the present invention is realized by the following technical scheme:

the utility model provides a curb girder bears articulated chassis in railway, including two at least groups chassis are constituteed, connect through joint connector between two adjacent groups chassis are constituteed, every chassis is constituteed including end and is pulled pillow structure, end is pulled pillow structure and is located the one end that the chassis is constituteed, the chassis is constituteed the other end and is set up the tie beam, the tie beam is connected through the curb girder respectively with the both sides of end and is pulled pillow structure, the tie beam is connected through well roof beam structure with the middle part of end and is pulled pillow structure, transversely be connected with the crossbeam structure between well roof beam structure and the curb girder, well roof beam structure includes two at least longerons, set for the distance between two adjacent longerons, the opposite side of each longeron is provided with first curved beam, the tip of longeron and tie beam, end is pulled pillow structure and is connected, the interval distance sets up and is connected through vertical connecting piece between the vertical connecting piece of both sides.

The chassis is arranged in the middle beam structure, the stress condition of the chassis is fully considered, the middle beam structure comprises longitudinal beams and first bent beams, the distance between the longitudinal beams is set, the bearing capacity of the middle beam structure is guaranteed, the stress section of the middle beam structure is effectively guaranteed, the distance from the side beams to the middle beam structure is short, the force arm is short in stress analysis, and the bending moment at the middle beam structure is small, so that the chassis has the characteristics of light dead weight and heavy load.

According to the railway middle side beam bearing articulated chassis, the fact that the bearing force of the locking structure bearing surface on the side beam is required to be transmitted to the middle beam structure when the container bearing is considered, the distance between the side beam and the side beam on the same side in the middle beam structure is smaller than or equal to the distance between two adjacent side beams in the middle beam structure, the distance between the side beam and the middle beam structure is fully ensured, and the bending moment is ensured, so that the chassis has the characteristics of light dead weight and heavy load under the condition of the same axle weight.

The side beam bearing joint type underframe in the railway is characterized in that the longitudinal beam is a connecting plate, and the width of the two ends of the longitudinal beam is larger than that of the middle part of the longitudinal beam;

the side beams are channel steel, and the opening of the channel steel faces the center beam structure.

The side beam bearing joint type underframe in the railway is characterized in that the end traction sleeper structure is provided with the set thickness, the longitudinal beam is connected with the upper side of the end traction sleeper structure into a whole, the first bending beam is connected with the lower side of the end traction sleeper structure into a whole, the longitudinal beam is arranged above the first bending beam, the distance between the middle section of the first bending beam and the longitudinal beam is greater than the distance between the end part of the first bending beam and the longitudinal beam, the first bending beam is arranged to be favorable for further enhancing the rigidity of the middle beam structure, and the middle section of the first bending beam and the longitudinal beam are arranged in parallel.

The side beam bearing joint type underframe in the railway is provided with a plurality of transverse connecting pieces, the interval distance between every two adjacent transverse connecting pieces is set, and the arrangement of the transverse connecting pieces further ensures the integral strength of the center beam structure;

the transverse connector is provided with an opening along the central axis of the underframe.

The height of the transverse connecting piece is smaller than that of the vertical connecting piece;

the transverse connecting piece is an I-shaped structural piece, and the vertical connecting piece can be a vertical connecting plate which is connected with the longitudinal beam and the first bent beam.

The side beam bearing joint type underframe in the railway comprises a first beam, a second beam and a third beam, wherein the first beam is connected with the middle section of the center beam structure, the second beam is positioned on one side of the third beam, the third beam is positioned on two sides of the center beam structure, the strength of the underframe is considered, and the first beam, the second beam and the third beam are respectively positioned on the same plane with part of the transverse structural members.

The first cross beam comprises a second bent beam and a third bent beam which are arranged up and down, the second bent beam and the third bent beam are positioned on two sides of the middle beam structure, one end of the second bent beam is connected with one side of the side beam, and the other end of the second bent beam is connected with the vertical connecting piece; one end of the third curved beam is connected with the other side of the side beam, and the other end of the third curved beam is connected with the longitudinal beam;

the transverse sections of the second curved beam and the third curved beam are bent towards the middle beam structure.

In order to realize the matching of two adjacent underframe assemblies, one end of one group of underframe assembly of the two adjacent underframe assemblies is provided with a bearing end, and the other end of the other group of underframe assembly is provided with an inserting end which is matched with the bearing end;

the chassis assembly receiving end comprises a pin disc arranged at the end part of one group of chassis assemblies, the pin disc is matched with a pin shaft in the joint connector, and shafts at two ends of the joint connector are inserted into the insertion end formed by the other group of chassis assemblies.

The side beam bearing joint type underframe in the railway is characterized in that supporting seats are arranged on two sides of the pin plate at the end part of one group of underframe in adjacent two underframe groups; the end part of the other group of underframe in the two adjacent underframe assemblies is provided with a traction seat, the traction seat is inserted into a supporting seat, and the side part of the traction seat is provided with a sliding seat matched with shafts at two ends of the joint connector;

the supporting seat and the traction seat are positioned at the end part of the traction pillow structure, which is far away from the center sill structure, of the corresponding end formed by the underframe.

In a second aspect, the present invention also provides a railway wagon, including the above-mentioned railway mid-rail side rail load-bearing articulated undercarriage;

one end of the underframe component, which is far away from the joint connector, is provided with a coupler buffer piece, the underframe component is provided with a bogie, and both sides of the underframe component are provided with locking structures.

The beneficial effects of the invention are as follows:

1) The underframe comprises a center sill structure, a side beam, a connecting beam, an end traction and bolster structure and a cross beam structure which are connected into a whole, so that the underframe has a large bearing capacity and does not need to mainly depend on the side beam for bearing; and the middle beam structure is connected with the end traction pillow structures at the two ends, the structural arrangement of the middle beam structure is reasonable, the middle beam structure has a certain transverse section, and the bending moment at the middle beam structure is correspondingly reduced, so that the load of the underframe is ensured.

2) The middle beam structure is provided with the longitudinal beams and the first bent beams, a set distance is reserved between the longitudinal beams, the first bent beams are positioned below the longitudinal beams, and the transverse connecting pieces and the vertical connecting pieces are arranged, so that the transverse cross-section area of the middle beam structure is ensured, the distance from the side beams to the middle beam structure is short, the bending moment transferred to the middle beam structure is small, and the bearing capacity of the underframe is correspondingly improved; and the strength and rigidity of the middle beam structure are ensured.

3) The longitudinal beam and the first bent beam in the middle beam structure play a role of connecting the connecting beam and the end traction pillow structure, the vertical connecting piece is connected with the middle beam and the first bent beam on the same side, the transverse connecting piece further ensures the strength of the middle beam structure, and the transverse connecting piece and the transverse beam structure together ensure the rigidity of the underframe in the transverse direction.

4) According to the invention, through the arrangement of the beam structure, the beam structure is connected with the side beam and the middle beam structure, the rigidity of the underframe is improved, the arrangement of the multi-section beams in the beam structure is beneficial to reducing the dead weight of the underframe on the premise of ensuring the rigidity of the underframe, and the arrangement of the second curved beam and the third curved beam in the first beam and the second beam is further bent, so that the middle beam structure is reliably connected with the side beam, the strength of the first beam or the second beam is ensured, and the strength of the underframe is improved.

5) The arrangement of the railway wagon in the invention has reasonable arrangement of the center sill structure formed by the underframe of the railway wagon, ensures the rigidity of the wagon body, is beneficial to simplifying the structure of the wagon, reduces the dead weight of the wagon by the structure, and improves the strength and rigidity of the wagon.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.

FIG. 1 is a schematic illustration of a railway truck undercarriage mated with a primary component in accordance with one or more embodiments of the present invention.

Fig. 2 is a schematic illustration of a railway mid-rail side rail load-bearing articulated chassis mid-chassis assembly a in accordance with one or more embodiments of the present invention.

Fig. 3 is a schematic view of a railway mid-rail side rail load-bearing articulated mid-frame component B in accordance with one or more embodiments of the present invention.

Fig. 4 is a schematic illustration of a railway mid-side rail load-bearing articulating chassis mid-end traction bolster in accordance with one or more embodiments of the present invention.

Fig. 5 is a schematic illustration of a railway center sill carrying an articulating chassis center sill structure in accordance with one or more embodiments of the present invention.

Fig. 6 is a schematic cross-sectional view of a railway mid-rail side rail load-bearing articulated chassis where the first and second cross members are located at the chassis assembly in accordance with one or more embodiments of the present invention.

Fig. 7 is a schematic illustration of an articulation connector arrangement in a railway mid-rail side rail load-bearing articulation chassis in accordance with one or more embodiments of the present invention.

Fig. 8 is a schematic view of a joint connector in a railway mid-rail side rail load-bearing joint chassis according to one or more embodiments of the present invention.

In the figure: the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustration is only schematic.

Wherein: 1. the car coupler buffer piece, 2, the bogie, 3, the locking structure, 4, the chassis is formed into A,5, the joint connector, 6, the chassis is formed into B,7, the end traction pillow structure, 8, the side beams, 9, the first cross beam, 10, the middle beam structure, 11, the second cross beam, 12, the third cross beam, 13, the connecting beams A,14, the connecting beams B,21, the traction seat, 22, the supporting seat, 23, the sliding seat, 24, the pin shaft, 25 and the pin disc;

t-shaped protruding block, 52, shaft, 53, U-shaped piece, 54, square disk, 55, tube shaft;

71. a U-shaped beam;

101. the longitudinal beam, 102, the first bent beam, 103, the transverse connecting piece, 104 and the vertical connecting piece;

111. second curved beam, 112, third curved beam.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if they mean only the directions of upper, lower, left and right in correspondence with the drawings themselves, are not limiting in structure, but merely serve to facilitate description of the present invention and simplify description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Term interpretation section: the terms "mounted," "connected," "secured," and the like in the present invention are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the terms are used herein as specific meanings as understood by those of ordinary skill in the art, and are not limited to the following terms.

As introduced by the background art, the problems of limited load and large dead weight of the articulated underframe in the prior art are solved, and the invention provides the side beam bearing articulated underframe in a railway.

Example 1

In an exemplary embodiment of the present invention, referring to fig. 2 and 3, a side beam bearing joint type chassis in a railway is shown, and includes at least two groups of chassis assemblies, two adjacent groups of chassis assemblies are connected through a joint connector 5, each chassis assembly includes an end traction pillow structure 7, the end traction pillow structure 7 is located at one end of the chassis assembly, a connecting beam is disposed at the other end of the chassis assembly, two sides of the connecting beam and the end traction pillow structure are respectively connected through side beams 8, the connecting beam is connected with the middle part of the end traction pillow structure through a middle beam structure 10, a cross beam structure is transversely connected between the middle beam structure and the side beams, the middle beam structure 10 includes at least two longitudinal beams 101, a set distance is set between two adjacent longitudinal beams 101, the two longitudinal beams are located on the same plane, a first bending beam 102 is disposed at opposite sides of each longitudinal beam, ends of the longitudinal beam 101 and the first bending beam 102 are connected with the connecting beam and the end traction pillow structure, a distance between the longitudinal beam 101 and the first bending beam 102 is set and connected through a vertical connector 104, and two sides of the vertical connector 104 are connected through a transverse connector 103.

In this embodiment, the chassis assembly includes two groups of chassis assemblies, namely chassis assembly A4 and chassis assembly B6, so that the chassis assemblies a and B are respectively a box structure, and the bearing of the vehicle can be realized.

In some examples, for convenience of connection, strength of the underframe is guaranteed, the side beams are channel steel, the opening of the channel steel faces the center sill structure, and the channel steel on two sides is arranged oppositely.

The end traction pillow structure is composed of double webs, rigidity and strength of the end traction pillow are guaranteed, the end traction pillow is installed and matched with an installation interface of an European standard chain hook, and meanwhile the installation interface of a coupler buffer piece is reserved.

The end traction pillow structure has the thickness of settlement, the longeron is as an organic whole with the upside of end traction pillow structure, first curved beam is as an organic whole with the downside of end traction pillow structure, in this embodiment, longeron 101 is in the top of first curved beam 102, set up a pair of longeron and a pair of first curved beam altogether, a pair of first curved beam 102 sets up highly the same, distance between first curved beam middle section and the longeron is greater than the distance between first curved beam tip and the longeron, the rigidity of well roof beam structure is further strengthened to the setting of first curved beam, and guarantee longeron, first curved beam is with the reliable connection of connecting beam, end traction pillow structure, first curved beam middle section and longeron mutual parallel arrangement.

The connecting beam has a set width, and in some examples, the length of the longitudinal beam in the middle beam structure is 3-5 times of that of the end traction and bolster structure under the condition of ensuring the rigidity of the underframe; the length of a section of the first curved beam parallel to the longitudinal beam is 1/3-3/5 of the length of the longitudinal beam.

It should be explained that, the end traction pillow structure is in the prior art, referring to fig. 4, the end traction pillow structure includes a U-shaped beam 71, a T-shaped member is disposed on the inner side of the U-shaped beam 71, one side of the T-shaped member is connected with a longitudinal beam and a first curved beam of the middle beam structure 10, the end traction pillow structure 7 has a hollowed portion to reduce the dead weight of the chassis, and the hollowed portion of the end traction pillow structure can be welded with a connecting member such as an iron sheet.

In this embodiment, referring to fig. 5, a plurality of transverse connectors 103 are provided, and two adjacent transverse connectors 103 are arranged at intervals, so that the arrangement of the transverse connectors further ensures the overall strength of the center sill structure; the transverse connector is provided with an opening along the central axis of the underframe.

The height of the transverse connecting piece is smaller than that of the vertical connecting piece;

the transverse connecting piece is an I-shaped structural piece, and the vertical connecting piece can be a vertical connecting plate which is connected with the longitudinal beam and the first bent beam.

Specifically, the beam structure comprises a first beam 9, a second beam 11 and a third beam 12, the first beam 9 is connected with the middle section of the middle beam structure 10, the second beam 11 is positioned on one side of the third beam 12, the third beam 12 is positioned on two sides of the middle beam structure 10, the third beam 12 is close to the joint of the middle beam structure and the end traction pillow structure, the second beam 11 is positioned between the third beam on one side and the first beam in the middle section, and the first beam 9, the second beam 11 and the third beam 12 are respectively positioned on the same plane with part of transverse structural members in consideration of the strength formed by the underframe.

Referring to fig. 6, the first cross member 9 includes a second bent beam 111 and a third bent beam 112 disposed up and down, the second bent beam 111 and the third bent beam 112 being located at both sides of the center sill structure 10, one end of the second bent beam 111 being connected to an upper side of the side sill, and the other end being connected to the vertical link 104; one end of the third curved beam 112 is connected with the lower side of the side beam, and the other end is connected with the longitudinal beam;

the transverse cross sections of the second curved beam 111 and the third curved beam 112 are bent towards the center sill structure 10, and from the side beam side to the center sill structure side, the second curved beam is a horizontal section first, then is inclined downwards and then is horizontally arranged, and the same is true of the third curved beam, and the inclination angle of the inclined section of the third curved beam is larger than that of the inclined section of the second curved beam.

In view of the structural arrangement, the cross-connecting member 103 is provided in a plurality of places, the width of the corresponding cross-connecting member being identical to the width of the first or second or third cross-beam when the cross-connecting member is in the same plane as the corresponding first or second or third cross-beam.

It should be noted that the upper side of the side member is lower than the side member, and the side member and the cross member are perpendicular to each other.

In other examples, the positions of the first, second, and third beams may be adjusted as practical.

In this embodiment, considering the stress condition, the structure of the second beam is the same as the first beam structure, the width of the first beam is greater than the setting of the second beam, the second beam is close to the insertion end or the receiving end that the chassis is formed, the width of the third beam is less than the width of the second beam, and the third beam is an I-shaped structural member at the position of the middle beam structure corresponding to the transverse connecting piece.

The middle beam structure is formed by splicing profile steel or plates, the cross section of the middle beam structure is larger, a larger bearing area is provided during loading, and the characteristic structure is fully utilized, so that the whole chassis is more reasonable in stress; through the setting of crossbeam structure for the trabecula structure forms the beam frame distribution of proportion relative equipartition on the longitudinal section, forms the structure of a support wholly.

In this embodiment, the longitudinal beam 101 is a connection plate, the connection plate has a set width, the width of two ends of the longitudinal beam is greater than the width of the middle of the longitudinal beam, one wider end of the longitudinal beam is reliably connected with the connection beam or the end traction pillow, for example, the length of the middle section of the longitudinal beam is consistent with the length of the horizontal section of the first curved beam, the width of the section is unchanged, and the width of the section gradually increases outwards from the end of the section; similarly, both sides of the first curved beam are inclined upward toward the longitudinal beam, and the width of the inclined upward part of the first curved beam is gradually increased from the middle section of the chassis to the outer side of the chassis.

In addition, the underframe component A and the underframe component B are all of an all-steel welding structure, and all the components are assembled and welded.

In order to realize the matching of two adjacent chassis assemblies, one end of one group of chassis assemblies in the two adjacent chassis assemblies is provided with a receiving end, and one end of the other group of chassis assemblies is provided with an inserting end which is matched with the receiving end;

in this embodiment, the chassis assembly receiving end includes a pin plate 25 disposed at an end of a group of chassis assemblies, the pin plate is welded to the connecting beam, the pin plate 25 is matched with a pin shaft 24 in the joint connector 5, two sides of an opening of the pin plate are provided with open sides, the joint connector is used for fixing connection between two chassis assemblies of the train, the joint connector includes a U-shaped piece 53, two sides of the U-shaped piece 53 are respectively provided with a shaft 52, the shaft 52 is inserted into an insertion end formed by another group of chassis assemblies, a T-shaped protruding block 51 is disposed at the center of the U-shaped piece, the T-shaped protruding block 51 is matched with the open sides of the pin plate to form a round hole for the pin shaft 24 to pass through, and the U-shaped piece rotates to fix after passing through the pin plate;

referring to fig. 7 and 8, the joint connector further includes a square plate or a circular plate, the square plate or the circular plate is welded on the bottom side of the pin plate, the U-shaped member is located on the upper side of the pin plate, specifically, may be a square plate 54, a first opening is formed in the center of the square plate or the circular plate, the T-shaped protruding block 51 of the joint connector passes through the first opening to be engaged with a tube shaft 55 at the first opening, a circular hole is formed in the tube shaft, the tube shaft 55 is fixed on a bowl-shaped member on one side of the square plate or the circular plate, the bowl-shaped member and the square plate or the circular plate are in an integrated structure, and the pin shaft 24 passes through the T-shaped protruding block, the pin plate and the circular hole of the tube shaft and is fixed through a cotter;

the two sides of the pin plate at the end part of one group of underframe components in the adjacent two underframe components are provided with supporting seats 22, and the supporting seats 22 are positioned at the outer sides of the connecting beams, namely the connecting beams A13, of the underframe components; the other group of the two adjacent underframe components, namely the end part of the connecting beam B14, is provided with a traction seat 21, the traction seat 21 is inserted into a supporting seat 22, and the side part of the traction seat 22 is provided with a sliding block seat 23 matched with shafts at two ends of the joint connector;

the supporting seat and the traction seat are positioned at the end part of the traction pillow structure, which is far away from the center sill structure, of the corresponding end of the underframe.

In this embodiment, the supporting seats 22 are located at two sides of the pin plate, the supporting seats 22 are protruded from the connecting beam, the supporting seats 22 are provided with open slots, the shape of the open slots is matched with that of the traction seats 21, the traction seats 21 are in clearance fit with the supporting seats 22, when the dynamic load of the vehicle body or the stress at the joints is unbalanced, the traction seats 21 can be pressed on the supporting seats 22, the supporting seats form supporting balance for the traction seats, the relative balance of the underframe component A and the underframe component B is kept, the stability of the running of the vehicle is ensured, and the running of the vehicle body is ensured not to be unstable; the supporting seat 22 is not matched with the sliding seat, two independent sliding seats 23 are arranged at two positions, a distance is set between the two sliding seats at intervals to accommodate a pin disc, a joint connector is arranged, an opening for inserting a shaft of the switch connector is arranged on the side part of the sliding seat, and traction seats 21 are arranged on two sides of the two sliding seats.

According to the arrangement of the center sill structure formed by the underframe, the fact that the bearing force of the locking structure bearing surface on the side beams needs to be transferred to the center sill structure when the container bears is considered, the distance between the center sill structure and the side beams on the same side is smaller than or equal to the distance between the adjacent two side beams in the center sill structure, the distance between the side beams and the center sill structure is fully ensured, and the bending moment is ensured, so that the underframe has the characteristics of light weight and heavy load under the condition of the same axle weight.

The stress situation of the underframe is fully considered, the middle beam structure comprises longitudinal beams and first bent beams, the longitudinal beams are arranged at intervals, the bearing capacity of the middle beam structure is guaranteed, the stress section of the middle beam structure is effectively guaranteed, the distance from the side beam to the middle beam structure is short, the moment arm is short in stress analysis, the bending moment at the middle beam structure is small, good operation dynamics performance is achieved, and the underframe has the characteristics of light weight and heavy load; the underframe can fully utilize the axle weight of the vehicle, save the number of the used bogies and shorten the length of the vehicle.

Through finite element analysis, the rigidity of the chassis provided by the invention meets the requirement, and the maximum vertical rigidity is lower than the required rigidity, so that the requirement is met.

Example two

The embodiment provides a railway wagon, which comprises the railway middle side beam bearing articulated underframe in the embodiment one;

referring to fig. 1, a coupler buffer 1 is mounted at one end of a chassis assembly far from a joint connector, a bogie 2 is mounted on the chassis assembly, and locking structures 3 for connecting containers are mounted on both sides of the chassis assembly; it will be appreciated that the coupler yoke 1, the bogie 2 and the locking structure 3 are all of the prior art and will not be described in detail.

The locking structure 3 adopts fixed and turnover container locks and is arranged on the upper plane of each side beam formed by each underframe.

The side beam bearing joint underframe in railway can transport various kinds of 1-level containers, symmetrical exchange body boxes or asymmetrical exchange body boxes and other containers and relevant combined loading.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a curb girder bears articulated chassis in railway, a serial communication port, including two at least groups chassis are constituteed, connect through joint connector between two adjacent groups chassis are constituteed, every chassis is constituteed including end and is pulled pillow structure, end is pulled pillow structure and is located the one end that the chassis is constituteed, the chassis is constituteed the other end and is set up the tie-beam, the tie-beam is connected through the curb girder respectively with the both sides of end and is pulled pillow structure, the tie-beam is connected through well roof beam structure with the middle part of end and is pulled pillow structure, transversely be connected with crossbeam structure between well roof beam structure and the curb girder, well roof beam structure includes two at least longerons, set for the distance between two adjacent longerons, the opposite side of each longeron is provided with first curved roof beam, the tip and tie-beam, end is pulled pillow structure and is connected, the interval distance sets up and is connected through vertical connecting piece between longeron and the first curved roof beam, be connected through transverse connection piece between the vertical connecting piece of both sides.

2. The railway center sill load bearing articulating frame of claim 1 wherein the distance between the side sill and the same side sill in the center sill structure is less than or equal to the distance between two adjacent side sills in the center sill structure.

3. The railway mid-rail side rail load-bearing articulating frame of claim 1 wherein said end bolster structure has a set thickness, said stringers being above said first curved beams, the distance between the first curved beam midsection and the stringers being greater than the distance between the first curved beam ends and the stringers, the first curved beam midsection and stringers being disposed parallel to each other;

the longitudinal beam is a connecting plate, and the width of the two ends of the longitudinal beam is larger than the width of the middle part of the longitudinal beam;

the side beams are channel steel, and the opening of the channel steel faces the center beam structure.

4. The railway mid-rail side rail load-bearing articulating frame of claim 1 wherein a plurality of said cross members are provided, with a spacing between adjacent cross members;

the transverse connector is provided with an opening along the central axis of the underframe.

5. A side sill load bearing knuckle mount in a railway as in claim 1 wherein the height of said transverse connectors is less than the height of said vertical connectors;

the transverse connecting piece is an I-shaped structural piece.

6. The railway center sill bearing joint chassis of claim 1, wherein the beam structure comprises a first beam, a second beam and a third beam, the first beam is connected with the center sill structure, the second beam is located at one side of the third beam, the third beam is located at two sides of the center sill structure, and the first beam, the second beam and the third beam are located on the same plane with part of the transverse structural members respectively.

7. The railway mid-rail side rail load-bearing articulated chassis of claim 6, wherein the first cross member comprises a second curved beam and a third curved beam arranged up and down, the second curved beam and the third curved beam are positioned at two sides of the mid-rail structure, one end of the second curved beam is connected with one side of the side rail, and the other end is connected with the vertical connector; one end of the third curved beam is connected with the other side of the side beam, and the other end of the third curved beam is connected with the longitudinal beam;

the transverse sections of the second curved beam and the third curved beam are bent towards the middle beam structure.

8. The railway middle side rail bearing joint type underframe according to claim 1, wherein one end of one group of underframe of two adjacent underframe groups is provided with a bearing end, and one end of the other group of underframe groups is provided with an inserting end which is matched with the bearing end;

the chassis assembly receiving end comprises a pin disc arranged at the end part of one group of chassis assemblies, the pin disc is matched with a pin shaft in the joint connector, and shafts at two ends of the joint connector are inserted into the insertion end formed by the other group of chassis assemblies.

9. The railway mid-rail side rail load-bearing articulated undercarriage of claim 8 wherein support seats are provided on both sides of said pin plate at the end of one of two adjacent undercarriage assemblies; the end part of the other group of underframe in the two adjacent underframe assemblies is provided with a traction seat, the traction seat is inserted into a supporting seat, and the side part of the traction seat is provided with a sliding seat matched with shafts at two ends of the joint connector;

the supporting seat and the traction seat are positioned at the end part of the traction pillow structure, which is far away from the center sill structure, of the corresponding end formed by the underframe.

10. A railway wagon comprising a railway mid-rail side rail carrying articulating undercarriage as claimed in any one of claims 1 to 9;

one end of the underframe component, which is far away from the joint connector, is provided with a coupler buffer piece, the underframe component is provided with a bogie, and both sides of the underframe component are provided with locking structures.

Images