CN107499323B - Rail vehicle and vehicle body thereof - Google Patents

Rail vehicle and vehicle body thereof Download PDF

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Publication number
CN107499323B
CN107499323B CN201610422814.3A CN201610422814A CN107499323B CN 107499323 B CN107499323 B CN 107499323B CN 201610422814 A CN201610422814 A CN 201610422814A CN 107499323 B CN107499323 B CN 107499323B
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CN
China
Prior art keywords
roof
vehicle body
welding
wall
partition wall
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CN201610422814.3A
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Chinese (zh)
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CN107499323A (en
Inventor
李立恒
李博
苏学威
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CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
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Priority to CN201610422814.3A priority Critical patent/CN107499323B/en
Publication of CN107499323A publication Critical patent/CN107499323A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/041Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures with bodies characterised by use of light metal, e.g. aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/043Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Abstract

The invention discloses a vehicle body, which comprises a head vehicle body and a middle vehicle body, wherein the head vehicle body comprises an underframe, a partition wall, side walls and a vehicle roof, two sides of the partition wall are respectively connected with the side walls, and the top of the partition wall is connected with the vehicle roof; the two sides and the top of the partition wall are provided with a plurality of U-shaped grooves which are distributed at intervals and have vertically outward openings; connecting seats corresponding to the U-shaped grooves are respectively arranged on the roof and the side walls, and strip-shaped holes with the extending directions perpendicular to the extending directions of the U-shaped grooves are formed in the connecting seats; the partition wall is fixedly connected with the connecting seat through bolts penetrating through the U-shaped grooves and the strip-shaped holes. In the vehicle body provided by the invention, the connection is firm, the positions of the roof and the side wall in the transverse direction and the longitudinal direction can be adjusted through the arrangement of the U-shaped groove and the strip-shaped hole, the installation is convenient, meanwhile, the problem that the vehicle body cannot be assembled due to processing errors can be effectively avoided, and the assembly efficiency of the vehicle body is improved. The invention also discloses a rail vehicle comprising the vehicle body.

Description

Rail vehicle and vehicle body thereof
Technical Field
The invention relates to the field of rail transit equipment, in particular to a vehicle body. Furthermore, the invention also relates to a rail vehicle comprising the vehicle body.
Background
The urban rail transit is a transportation mode with the characteristics of large transportation volume, high speed, safety, punctuality, environmental protection, energy conservation, land occupation and the like, is called 'rail transit' for short, and comprises subways, light rails, magnetic suspension, fast rails, trams, new traffic systems and the like.
With the rapid development of rail transit, people have higher and higher requirements on the strength, the processing technology and the manufacturing materials of rail vehicles, and especially the safety requirement of the rail vehicles is particularly important.
The rail vehicle comprises a head vehicle body and a middle vehicle body, wherein the head vehicle body and the middle vehicle body respectively comprise an underframe, an end wall, side walls and a roof, and simultaneously the head vehicle body further comprises partition walls for isolating a cab, two sides of each partition wall are respectively connected with the end part of one side wall, and the top parts of the partition walls are connected with the end parts of the roof.
Among the prior art, the partition wall is formed by aluminum alloy skeleton outside installation wallboard to the partition wall is connected with side wall and roof through welded form, and because cab structure is complicated, welding process construction difficulty when leading to the partition wall installation, the installation effectiveness is low, and moreover, the skeleton texture that the aluminum alloy was made, weight is big, is not conform to the light-weighted requirement of rail vehicle.
Therefore, how to improve the installation efficiency of the vehicle body is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
An object of the present invention is to provide a vehicle body in which the efficiency of mounting a partition wall to other vehicle body portions is significantly improved and the weight is reduced. Another object of the present invention is to provide a rail vehicle comprising the above-mentioned car body.
In order to achieve the purpose, the invention provides the following technical scheme:
a car body is a rail car body and comprises a head car body and a middle car body, wherein the head car body comprises an underframe, a partition wall, side walls and a roof, two sides of the partition wall are respectively connected with the side walls, and the top of the partition wall is connected with the roof; the two sides and the top of the partition wall are provided with a plurality of U-shaped grooves which are distributed at intervals and have vertically outward openings; connecting seats corresponding to the U-shaped grooves are respectively arranged on the roof and the side walls, and strip-shaped holes with the extending directions perpendicular to the extending directions of the U-shaped grooves are formed in the connecting seats; the partition wall and the connecting seat are fixedly connected through bolts penetrating through the U-shaped grooves and the strip-shaped holes.
Preferably, a pre-installation hole for the bolt to be inserted and slide into the strip-shaped hole is formed in one end, located in the strip-shaped hole, of the connecting seat, and the size of the pre-installation hole is larger than the size of a bolt head or the size of a nut of the bolt.
Preferably, the roof is provided with at least two connecting seats, and in the connecting seats arranged on the roof, at least one pre-installation hole in each connecting seat is positioned at the left end of the strip-shaped hole, and at least one pre-installation hole in each connecting seat is positioned at the right end of the strip-shaped hole.
Preferably, the pre-installation holes of the connecting seats are formed in the connecting seats of the side walls and located at the upper ends of the strip-shaped holes.
Preferably, the cab of the head car body comprises a frame consisting of aluminum alloy square tubular beams and a glass fiber reinforced plastic outer cover covering the outside of the frame, and the glass fiber reinforced plastic outer cover is streamline and integrally formed.
Preferably, the partition wall is a honeycomb aluminum partition wall, and a connecting plate for forming the U-shaped groove extends from the partition wall.
Preferably, the head car body and the middle car body both comprise end walls, two sides of each end wall are respectively connected with the side walls, and the tops of the end walls are connected with the car roof; the end walls and the side walls and the end walls and the roof are connected through welding profiles which are arranged in a right-angle area formed by the end walls and the side walls in a cushioning mode from the inner side, seams are reserved between the end walls and the side walls and between the end walls and the roof respectively, and the welding profiles are provided with protruding parts for filling the seams.
Preferably, the headwall with welding section bar between the side wall is first welding section bar, first welding section bar is extrusion's side pipe section bar, the protruding position of first welding section bar is first protruding position, first protruding position is followed the diagonal direction of first welding section bar is outside protruding, first protruding position have with the first plane that the headwall surface flushes, and with the second plane that the side wall surface flushes.
Preferably, the first protruding part is provided with a first inclined plane forming a welding groove with the end part of the end wall and a second inclined plane forming a welding groove with the end surface of the side wall; and the root of the first bulge part is provided with a right-angle part which is respectively matched with the inner side angles of the end wall and the side wall.
Preferably, the welding profile between the end wall and the roof is a second welding profile, the second welding profile is an extruded square tube profile, the protruding part of the second welding profile is a second protruding part, the second protruding part is provided with a third plane flush with the outer surface of the end wall and a fourth plane flush with the outer surface of the roof, and the length of the fourth plane is greater than that of the third plane.
Preferably, the second protruding part is provided with a third inclined plane forming a welding groove with the end part of the end wall and a fourth inclined plane forming a welding groove with the end surface of the roof; and the root part of the second bulge part is provided with a right-angle part which is respectively matched with the inner side angles of the end wall and the roof.
Preferably, the inner cavity of the second welding profile is provided with a groove at a position corresponding to the convex part, so that the wall thickness of the second welding profile is basically kept consistent.
The invention also provides a rail vehicle comprising the vehicle body.
The vehicle body comprises a head vehicle body and a middle vehicle body, wherein the head vehicle body comprises an underframe, a partition wall, side walls and a vehicle roof, two sides of the partition wall are respectively connected with the side walls, and the top of the partition wall is connected with the vehicle roof; the two sides and the top of the partition wall are provided with a plurality of U-shaped grooves which are distributed at intervals and have vertically outward openings; connecting seats corresponding to the U-shaped grooves are respectively arranged on the roof and the side walls, and strip-shaped holes with the extending directions perpendicular to the extending directions of the U-shaped grooves are formed in the connecting seats; the partition wall and the connecting seat are fixedly connected through bolts penetrating through the U-shaped grooves and the strip-shaped holes. In this automobile body, through with the help of the connecting seat is realized the partition wall with between the roof and the partition wall with be connected between the side wall, firm in connection passes through moreover U type groove with the setting in bar hole can be realized the roof and the side wall is in the position control of horizontal and vertical two directions, easy to assemble, simultaneously, can effectually avoid the unable assembly problem that machining error leads to, improves the assembly efficiency of this automobile body.
The rail vehicle provided by the invention is provided with the vehicle body, and the vehicle body has the technical effects, so the rail vehicle provided with the vehicle body also has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a specific embodiment of a vehicle body cab provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 1;
FIG. 4 is a side view of one embodiment of the vehicle body of the present invention;
FIG. 5 is a schematic view of a G-G cross-section of the end wall and the side wall shown in FIG. 4;
FIG. 6 is an enlarged schematic view of the first welding profile of FIG. 5;
FIG. 7 is a schematic top view of one embodiment of a vehicle body according to the present invention;
FIG. 8 is a schematic view of the sectional F-F structure of the end wall and roof of FIG. 7;
FIG. 9 is an enlarged schematic view of the second welding profile of FIG. 8;
FIG. 10 is a schematic structural view of one embodiment of a cab frame in a vehicle body according to the present invention;
wherein: 1-end wall, 2-roof, 21-backing plate, 22-support plate, 3-side wall, 4-welding section bar, 41-first convex part, 411-first plane, 412-second plane, 413-first inclined plane, 414-second inclined plane, 42-second convex part, 421-third plane, 422-fourth plane, 423-third inclined plane, 424-fourth inclined plane, 425-groove, 5-frame, 6-partition wall, 61-U-shaped groove, 62-connecting plate, 7-connecting seat, 71-strip hole and 72-preassembling hole.
Detailed Description
The core of the invention is to provide a vehicle body, wherein the mounting efficiency of a roof, side walls and partition walls in the vehicle body is high, and the overall weight is small. Another core of the present invention is to provide a rail vehicle including the above-described vehicle body.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 10, fig. 1 is a schematic structural view of a specific embodiment of a vehicle body cab provided in the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 1; FIG. 4 is a side view of one embodiment of the vehicle body of the present invention; FIG. 5 is a schematic view of a G-G cross-section of the end wall and the side wall shown in FIG. 4; FIG. 6 is an enlarged schematic view of the first welding profile of FIG. 5; FIG. 7 is a schematic top view of one embodiment of a vehicle body according to the present invention; FIG. 8 is a schematic view of the sectional F-F structure of the end wall and roof of FIG. 7; FIG. 9 is an enlarged schematic view of the second welding profile of FIG. 8; fig. 10 is a schematic structural diagram of an embodiment of a cab frame in a vehicle body according to the present invention.
In the embodiment, the vehicle body comprises a head vehicle body and a middle vehicle body, wherein the head vehicle body and the middle vehicle body respectively comprise an underframe, an end wall 1, a side wall 3 and a roof 2, two sides of the end wall 1 are respectively connected with the side wall 3, the top of the end wall 1 is connected with the roof 2, and the end wall 1 and the side wall 3 are both arranged on the underframe.
The head car body further comprises a partition wall 6 used for forming a cab, the partition wall 6 is arranged in parallel with the end wall 1, two sides of the partition wall 6 are respectively connected with the end parts of the side walls 3, and the top of the partition wall 6 is connected with the end part of the car roof 2.
Both sides and the top of partition wall 6 all are provided with the perpendicular outside U type groove 61 of a plurality of interval distributions and opening, on roof 2 and the side wall 3 with the position that U type groove 61 corresponds is provided with connecting seat 7 respectively, is equipped with bar hole 71 on the connecting seat 7, and the extending direction in bar hole 71 is perpendicular with the extending direction in U type groove 61, and simultaneously, partition wall 6 is through running through the bolt fixed connection in U type groove 61 and bar hole 71 with connecting seat 7.
Preferably, the connecting seats 7 arranged in the roof 2 extend longitudinally, and the connecting seats 7 arranged in the side walls 3 extend transversely.
In this automobile body, through realizing being connected between partition wall 6 and roof 2 and between partition wall 6 and the side wall 3 with the help of connecting seat 7, firm in connection through the setting of U type groove 61 and bar hole 71, can realize roof 2 and side wall 3 in the position control of horizontal and vertical two directions, easy to assemble, simultaneously, can effectually avoid the unable assembly problem that machining error leads to, improve the assembly efficiency of this automobile body.
Further, one end of the connecting base 7, which is located in the strip-shaped hole 71, is provided with a pre-installation hole 72, into which a bolt is inserted and slides into the strip-shaped hole 71, the pre-installation hole 72 is communicated with the strip-shaped hole 71, and the size of the pre-installation hole 72 is larger than the size of a bolt head of the bolt or the size of a nut.
Above-mentioned setting, can be with the bolt preinstallation in bar hole 71, then aim at the opening part of U type groove 61 with the bolt, promote to the bottom in U type groove 61, push the suitable position in U type groove 61 with the bolt, screw up the bolt, accomplish the fixed connection of partition wall 6 and roof 2 or partition wall 6 and side wall 3, when roof 2 or side wall 3 need be dismantled, only need unscrew the bolt, then shift out the bolt along U type groove 61 in, both can realize roof 2 and partition wall 6 or the dismantlement of side wall 3 and partition wall 6, then slide to preinstallation hole 72 department from the position in bar hole 71, alright take off the bolt.
The pre-fitting hole 72 is sized to be larger than the bolt head or nut of the bolt, in order to ensure that the bolt can be inserted into the pre-fitting hole 72, although the pre-fitting hole 72 may be sized to be larger than both the bolt head and nut.
It should be noted here that the size of the strip-shaped hole 71 and the size of the U-shaped groove 61 should be slightly larger than the diameter of the bolt column of the bolt, so that on one hand, the sliding of the bolt can be facilitated, and on the other hand, the bolt can be prevented from falling off.
Preferably, in order to ensure the connection strength between the roof 2 and the partition wall 6, at least two connector holders 7 are provided on the roof 2, and among the connector holders 7 provided on the roof 2, the pre-mounting hole 72 of at least one connector holder 7 is located at the left end of the strip-shaped hole 71, and the pre-mounting hole 72 of at least one connector holder 7 is located at the right end of the strip-shaped hole 71.
Specifically, the middle position of the roof 2 is used as a boundary and is positioned on the connecting base 7 on the left side of the roof 2, the pre-installation hole 72 is positioned on the left side of the strip-shaped hole 71 and is positioned on the connecting base 7 on the right side of the roof 2, and the pre-installation hole 72 is positioned on the right side of the strip-shaped hole 71; or, on the connecting base 7 on the left side of the roof 2, the pre-installation hole 72 is located on the right side of the strip-shaped hole 71 and on the connecting base 7 on the right side of the roof 2, and the pre-installation hole 72 is located on the left side of the strip-shaped hole 71; or the connecting seats 7 at the spacing positions on the vehicle roof 2 have the preassembly holes 72 and the strip-shaped holes 71 which are arranged in the reverse order.
The purpose of the above-mentioned setting is, can avoid the bolt to the left side or to the long-time small back that removes of right side, the bolt is whole to drop from pre-installation hole 72, influences roof 2 and partition wall 6's connection effect, and the firm connection of roof 2 can be guaranteed to the reverse setting of pre-installation hole 72 and bar hole 71 position in the different connecting seats 7.
Similarly, in the connecting seats 7 provided in the side wall 3, the pre-installation holes 72 of the respective connecting seats 7 are located at the upper ends of the strip-shaped holes 71, preventing the bolts for connecting the side wall 3 and the partition wall 6 from falling off.
Preferably, connecting seat 7 on the side wall 3 and connecting seat 7 on the roof 2 are evenly arranged, so that the stress balance at each position is ensured, and the connection stability of the whole vehicle body is improved.
Furthermore, in order to facilitate the processing of the U-shaped groove 61, a connecting plate 62 for forming the U-shaped groove 61 extends from the partition wall 6, that is, the U-shaped groove 61 is disposed on the connecting plate 62, and the connecting plate 62 corresponds to the position of the connecting seat 7.
Meanwhile, in order to reduce the weight of the partition wall 6, the partition wall 6 may be a honeycomb aluminum partition wall 6 to reduce the weight of the entire vehicle body. In addition, in order to ensure the connection effect between the connection plate 62 and the connection seat 7, a buffer gasket may be disposed between the connection plate 62 and the connection seat 7.
Preferably, the cab of the head car body comprises a frame 5 consisting of aluminum alloy square tubular beams and a glass fiber reinforced plastic outer cover covering the outside of the frame 5, wherein the glass fiber reinforced plastic outer cover is streamline and integrally formed.
In the above arrangement, the streamline of the cab can make the pneumatic performance better, the wind resistance small and the appearance good, the frame 5 makes the installation of the cab more convenient, and the appearance change is more flexible. Meanwhile, the outer cover processed by the glass fiber reinforced plastic material is light and hard, non-conductive, stable in performance, high in mechanical strength, less in recycling and strong in corrosion resistance.
Further, for the head car body and the middle car body, the end wall 1 and the side wall 3 and the end wall 1 and the roof 2 are respectively connected through welding profiles 4 which are arranged in a right-angle area formed by the end wall 1 and the side wall 3 and the roof 2 in a cushioning mode from the inner side, seams are reserved between the end wall 1 and the side wall 3 and between the end wall 1 and the roof 2 respectively, and the welding profiles 4 are provided with protruding parts for filling the seams.
This automobile body utilizes welding section bar 4 to replace the right-angle frame among the prior art, the intensity and the anti deformability of welding section bar 4 are showing and are being greater than the right-angle frame, the anti deformability of the whole automobile body of improvement that can show, structural strength is higher, and simultaneously, through set up protruding position on welding section bar 4, and fill protruding position to between headwall 1 and the side wall 3 or in the seam of reserving between headwall 1 and the roof 2, carry out welded connection, so set up, not only connection process is simple, and can be effectual the sealed effect of assurance junction.
Specifically, the welding profile 4 between the end wall 1 and the side wall 3 is a first welding profile, the first welding profile is an extruded square pipe profile, the protruding portion of the first welding profile is a first protruding portion 41, the first protruding portion 41 protrudes outward along the diagonal direction of the first welding profile, and the first protruding portion 41 has a first plane 411 flush with the outer surface of the end wall 1 and a second plane 412 flush with the outer surface of the side wall 3.
In the above arrangement, the arrangement of the first plane 411 and the second plane 412 can ensure that the first protruding portion 41 is flush with the exterior of the end wall 1 and the side wall 3, thereby ensuring the smoothness and the aesthetic property of the exterior surface of the vehicle body.
Of course, the shape of the first welding profile may also be a triangular pipe, and any structure that can be conveniently extruded may be adopted, and the structure is not limited to the structure given in the embodiment.
Further, the first protruding portion 41 has a first inclined surface 413 forming a welding groove with the end of the end wall 1, and a second inclined surface 414 forming a welding groove with the end surface of the side wall 3; the first raised portion 41 has a right-angled portion at the root that matches the inner corners of the end wall 1 and the side wall 3, respectively.
Specifically, one side of the first inclined surface 413 is connected with the first plane 411, the other side of the first inclined surface is in plane contact with the end portion of the end wall 1, during welding, welding materials are filled into a welding groove formed by the first inclined surface 413 and the end portion of the end wall 1, and then after polishing, the first plane 411, a welding line and the end face of the end wall 1 form a finished plane, so that the appearance is attractive, decorative strips do not need to be arranged, the number of parts is reduced, and the structure and the process are simplified.
Similarly, one side of the second inclined surface 414 is connected to the second plane 412, and the other side of the second inclined surface is in contact with the end plane of the side wall 3, during welding, a welding material is filled into a welding groove formed by the second inclined surface 414 and the end of the side wall 3, and then after grinding, the second plane 412, the welding seam, and the end face of the side wall 3 form a finished plane.
Meanwhile, in order to further ensure the connection strength between the end wall 1 and the side wall 3, the first welding profile is preferably an extruded square tube profile, the square structural strength is high, the processing is convenient, the weight of the tube is light, and the requirement of light weight of a rail vehicle is met.
It should be noted here that the first inclined surface 413 may also be disposed on the end wall 1, the second inclined surface 414 may also be disposed on the side wall 3, or both the first protruding portion 41 and the end surface are provided with inclined surfaces to form a welding groove with a larger size, so as to improve the firmness of connection, that is, the welding grooves can be formed between the end wall 1 and the first protruding portion 41, and between the side wall 3 and the first protruding portion 41, which is not limited to the solution provided in this embodiment.
Meanwhile, the first protruding portion 41 is provided at the root thereof with a right-angle portion which is respectively matched with the inner corners of the end wall 1 and the side wall 3, that is, a clamping portion for clamping with the end wall 1 and the side wall 3, so as to facilitate the positioning between the first welding profile and the end wall 1 and the side wall 3.
In the above-mentioned setting, the offering at right angle position not only can make things convenient for first welding section bar and headwall 1 and side wall 3 spacing, convenient processing, moreover, can weld the whole packing of material when conveniently welding, avoids first inclined plane 413 and second inclined plane 414 to form respectively groove department to weld the material and fill incompletely, leads to pollutants such as rainwater to soak.
On the other hand, the welding profile 4 between the end wall 1 and the roof 2 is a second welding profile which is an extruded square tube profile, the convex part of the second welding profile is a second convex part 42, the second convex part 42 is provided with a third plane 421 flush with the outer surface of the end wall 1 and a fourth plane 422 flush with the outer surface of the roof 2, and the length of the fourth plane 422 is greater than that of the third plane 421.
The arrangement can meet the position characteristics between the roof 2 and the end wall 1, and a certain distance is reserved between the top of the end wall 1 and the end of the roof 2, so that the length of the fourth plane 422 is set to be larger than that of the third plane 421, a complete right angle can be formed after the roof 2 and the end wall 1 are welded, and the attractiveness is improved.
Of course, the shape of the second welding profile may also be a triangular pipe, and any structure that can be conveniently extruded may be adopted, and the structure is not limited to the structure given in the embodiment.
Further, the second raised portion 42 has a third inclined surface 423 forming a welding bevel with the end of the headwall 1, and a fourth inclined surface 424 forming a welding bevel with the end surface of the roof 2; the second raised portion 42 has a right-angled portion at the root portion thereof, which is matched with the inner corners of the headwall 1 and the roof 2, respectively.
One side of the third inclined plane 423 is connected with the third plane 421, the other side of the third inclined plane 423 is in plane contact with the end part of the end wall 1, during welding, welding materials are filled into a welding groove formed by the third inclined plane 423 and the end part of the end wall 1, and after polishing, the third inclined plane 421, a welding line and the end surface of the end wall 1 form a finished plane.
Similarly, one side of the fourth inclined plane 424 is connected with the fourth plane 422, and the other side is in contact with the end plane of the roof 2, during welding, a welding material is filled into a welding groove formed by the fourth inclined plane 424 and the end of the roof 2, and after grinding, the fourth plane 422, the welding line and the end face of the roof 2 form a finished plane.
It should also be noted here that the third inclined surface 423 may also be provided on the headwall 1, and the fourth inclined surface 424 may also be provided on the roof 2, and is not limited to the solution given in the present embodiment.
Meanwhile, the second protruding portion 4242 is provided with a right-angle portion matched with the inner corners of the end wall 1 and the roof 2 respectively at the root thereof, namely, a clamping portion clamped with the end wall 1 and the roof 2, so that the limitation of the second welding profile to the end wall 1 and the roof 2 can be facilitated, the processing is facilitated, in addition, the whole filling of welding materials during welding can be facilitated, the incomplete filling of the welding materials at the groove part formed by the third inclined plane 423 and the fourth inclined plane 424 respectively is avoided, and the immersion of pollutants such as rainwater is caused.
Meanwhile, the second welding section is an extrusion-molded square tube section, the section surface on one side of the second welding section is attached to the inner surface of the end wall 1, and the section surface on the other side of the second welding section is attached to the inner surface of the roof 2 by arranging the backing plate 21.
In addition, because the second welding section bar is arranged at the upper part of the inner cavity of the vehicle body, in order to prevent the second welding section bar from falling under the action of self gravity, a support plate 22 can be arranged at the lower part of the second welding section bar, and meanwhile, in order to prevent the support plate 22 from occupying the inner space of the vehicle body, the support plate 22 can be arranged to be attached to the surface of the end wall 1.
Further, a groove 425 is formed in the inner cavity of the second welding profile at a position corresponding to the second protruding portion 4242, so that the wall thickness of the second welding profile is kept basically consistent, the processing of the profile is facilitated, and the weight of the profile is reduced.
In addition to the vehicle body, the invention further provides a rail vehicle including the vehicle body, and other structures of the rail vehicle are referred to in the prior art and are not repeated herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The rail vehicle and the vehicle body thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (12)

1. A car body is a rail car body and comprises a head car body and a middle car body, wherein the head car body comprises an underframe, a partition wall (6), side walls (3) and a car roof (2), two sides of the partition wall (6) are respectively connected with the side walls (3), and the top of the partition wall (6) is connected with the car roof (2); the partition wall is characterized in that a plurality of U-shaped grooves (61) which are distributed at intervals and have vertically outward openings are formed in the two sides and the top of the partition wall (6); connecting seats (7) corresponding to the U-shaped grooves (61) are respectively arranged on the roof (2) and the side walls (3), and strip-shaped holes (71) with the extending direction perpendicular to the extending direction of the U-shaped grooves (61) are formed in the connecting seats (7); the partition wall (6) is fixedly connected with the connecting seat (7) through bolts penetrating through the U-shaped groove (61) and the strip-shaped holes (71); the head car body and the middle car body both comprise end walls (1), two sides of each end wall (1) are respectively connected with the side walls (3), and the top of each end wall (1) is connected with the car roof (2); the end wall (1) is connected with the side walls (3) and the end wall (1) is connected with the roof (2) through welding profiles (4) which are arranged in a right-angle area formed by the end wall and the side walls in a cushioning mode from the inner side, seams are reserved between the end wall (1) and the side walls (3) and between the end wall (1) and the roof (2) respectively, and the welding profiles (4) are provided with protruding portions for filling the seams.
2. The vehicle body according to claim 1, characterized in that a pre-installation hole (72) for the bolt to be inserted and slide into the bar-shaped hole (71) is formed in one end of the connecting seat (7) located in the bar-shaped hole (71), and the size of the pre-installation hole (72) is larger than the size of a bolt head or a nut of the bolt.
3. The vehicle body according to claim 2, characterized in that at least two connecting sockets (7) are provided on the roof (2), and in the connecting sockets (7) provided on the roof (2), at least one pre-installation hole (72) in the connecting socket (7) is located at the left end of the strip-shaped hole (71), and at least one pre-installation hole (72) in the connecting socket (7) is located at the right end of the strip-shaped hole (71).
4. The vehicle body according to claim 2, wherein in the connecting seats (7) provided in the side walls (3), the pre-installation hole (72) of each connecting seat (7) is located at the upper end of the strip-shaped hole (71).
5. The vehicle body according to claim 1, wherein the cab of the head vehicle body comprises a frame (5) composed of aluminum alloy square tubular beams and a glass fiber reinforced plastic cover covering the outside of the frame (5), and the glass fiber reinforced plastic cover is streamlined and integrally formed.
6. The vehicle body according to claim 1, characterized in that the partition wall (6) is a honeycomb aluminum partition wall (6), and a connecting plate (62) for opening the U-shaped groove (61) extends from the partition wall (6).
7. The vehicle body according to claim 1, characterized in that the welding profile (4) between the end wall (1) and the side wall (3) is a first welding profile which is an extruded square tube profile, the protruding portion of the first welding profile is a first protruding portion (41), the first protruding portion (41) protrudes outward along a diagonal direction of the first welding profile, and the first protruding portion (41) has a first plane (411) flush with the outer surface of the end wall (1) and a second plane (412) flush with the outer surface of the side wall (3).
8. The vehicle body of claim 7, characterized in that the first raised area (41) has a first inclined surface (413) forming a welding bevel with the end of the end wall (1) and a second inclined surface (414) forming a welding bevel with the end face of the side wall (3); and the root of the first protruding part (41) is provided with a right-angle part which is respectively matched with the inner corners of the end wall (1) and the side wall (3).
9. The vehicle body according to any one of claims 1 to 6, characterized in that the welding profile (4) between the end wall (1) and the roof (2) is a second welding profile, which is an extruded square tube profile, the raised portion of which is a second raised portion (42), the second raised portion (42) having a third plane (421) flush with the outer surface of the end wall (1) and a fourth plane (422) flush with the outer surface of the roof (2), and the length of the fourth plane (422) being greater than the length of the third plane (421).
10. The vehicle body according to claim 9, characterized in that the second raised area (42) has a third chamfer (423) forming a welding bevel with the end of the end wall (1) and a fourth chamfer (424) forming a welding bevel with the end face of the roof (2); and the root of the second convex part (42) is provided with a right-angle part which is respectively matched with the inner corners of the end wall (1) and the roof (2).
11. The vehicle body of claim 10, wherein the second welding profile has a recess (425) in its interior cavity at a location corresponding to the raised portion to maintain a substantially uniform wall thickness of the second welding profile.
12. A rail vehicle comprising a body and a bogie, characterized in that the body is a rail vehicle body according to any one of the preceding claims 1 to 11.
CN201610422814.3A 2016-06-14 2016-06-14 Rail vehicle and vehicle body thereof Active CN107499323B (en)

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