CN111284510A - Rail vehicle's automobile body side wall, automobile body and rail vehicle - Google Patents
Rail vehicle's automobile body side wall, automobile body and rail vehicle Download PDFInfo
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- CN111284510A CN111284510A CN201811491886.9A CN201811491886A CN111284510A CN 111284510 A CN111284510 A CN 111284510A CN 201811491886 A CN201811491886 A CN 201811491886A CN 111284510 A CN111284510 A CN 111284510A
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- side wall
- vehicle body
- rail vehicle
- main body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/08—Sides
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Abstract
The invention provides a vehicle body side wall of a rail vehicle, a vehicle body and the rail vehicle, wherein the side wall comprises a plurality of side wall main bodies and a side wall upper side beam penetrating through the front and the back of the vehicle body, the top end of each side wall main body is connected to the side wall upper side beam, and the plurality of side wall main bodies are arranged at intervals along the length direction of the side wall upper side beam; the side walls are welded with the roof, and the bottom end of each side wall main body is welded with the underframe of the vehicle body; the top surface of the side wall upper side beam is an upward convex arc-shaped surface matched with the shape of the car roof, and the bottom surface of each side wall main body is an upward convex arc-shaped surface matched with the shape of the car body underframe, so that the convenience of side wall installation is effectively improved.
Description
Technical Field
The invention relates to the technical field of side walls of rail vehicles, in particular to a side wall of a rail vehicle, a vehicle body and a rail vehicle.
Background
The vehicle body of a railway vehicle, such as a subway, mainly comprises a vehicle body underframe, a roof, an end wall and a side wall, wherein the side wall is a key part for connecting the roof and the vehicle body underframe and plays a role in bearing up and down. The design and manufacture of the side wall have a crucial influence on the quality of the whole vehicle body product.
In the rail vehicle in the prior art, the vehicle body comprises two side walls which are oppositely arranged on the left side and the right side of the vehicle body, and each side wall is composed of a plurality of side wall main bodies. In the process of assembling the vehicle body, each side wall main body needs to be separately installed on the vehicle body, and the chassis and the roof of a common vehicle body have deflection, namely the roof of the vehicle body is of an upward-convex arc structure. Because the length of each side wall main body in the prior art is short, the deflection, namely the bending degree, matched with the roof cannot be preset on the side wall main body, and therefore, after each side wall main body is installed, the top end of each side wall main body needs to be polished so that the top end of each side wall main body is matched with the deflection of the roof of the vehicle body.
Because above-mentioned prior art when the automobile body equipment, need install alone to every side wall main part respectively, and need carry out the coping to the top of every side wall main part simultaneously, consequently, lead to the installation of side wall to waste time and energy.
Disclosure of Invention
In order to solve at least one problem mentioned in the background art, the invention provides a vehicle body side wall of a rail vehicle, a vehicle body and the rail vehicle, which improve the convenience of side wall installation.
In order to achieve the above object, in a first aspect, the present invention provides a vehicle body side wall of a rail vehicle, including a plurality of side wall main bodies and a side wall upper edge beam penetrating through the front and the rear of a vehicle body, wherein the top end of each side wall main body is connected to the side wall upper edge beam, and the plurality of side wall main bodies are arranged at intervals along the length direction of the side wall upper edge beam; the side wall upper edge beam is welded with the roof, and the bottom end of each side wall main body is welded with the underframe of the vehicle body; the top surface of the side wall upper side beam is an upward convex arc-shaped surface matched with the shape of the car roof, and the bottom surface of each side wall main body is an upward convex arc-shaped surface matched with the shape of the car body underframe.
According to the side wall of the vehicle body of the rail vehicle, the top end of each side wall main body is connected to the side wall boundary beam through the side wall main bodies and the side wall boundary beams penetrating through the front side and the rear side of the vehicle body, so that the integral side wall is formed; in addition, the bottom surface of each side wall main body is an upward convex arc-shaped surface matched with the shape of the vehicle body underframe, and meanwhile, the installation precision between the side wall main body and the vehicle body underframe is guaranteed.
In an embodiment of the invention, the top end of each side wall main body is welded to the side wall edge beam in a butt welding manner.
In an embodiment of the invention, the side wall main body includes a side wall plate and door pillars welded to both sides of the side wall plate.
In an embodiment of the invention, each side wall plate comprises at least two side wall sub-plates, the at least two side wall sub-plates are sequentially arranged from bottom to top, and the two adjacent side wall sub-plates are welded in a butt welding manner.
Therefore, the assembly efficiency of the whole side wall and the profile degree of the side wall can be further improved.
In an embodiment of the invention, the side wall sub-plates are hollow aluminum profiles, and the welding seams of two adjacent side wall sub-plates are provided with profile self-provided base plates;
when two adjacent side wall daughter boards are welded, two ends of the section bar with backing plates are respectively inserted into the inner cavities of the two adjacent side wall daughter boards.
Therefore, the aluminum material can be effectively prevented from falling under the action of gravity and pressure during welding, so that welding beading or uneven forming is generated on the back of the welding line, and the welding quality is improved.
In one embodiment of the invention, the junction between the bottom of the side wall sill and the door pillar has a rounded corner, and the top end of the door pillar is tangent to the rounded corner.
Therefore, the welding seam at the joint of the side wall upper edge beam and the door upright is kept away from the stress concentration area, so that the strength of the joint of the side wall upper edge beam, the side wall main body and the door upright is improved.
In one embodiment of the present invention, the door pillar has a size ranging from 60mm to 70mm in a longitudinal direction of the vehicle body.
Welding deformation trend when can make door stand and side wall main part welding diminishes like this, reduces the welding deformation of door stand to guarantee the uniformity of door geometric tolerances and improve the tolerance quality.
In an embodiment of the present invention, the plurality of side wall main bodies include a cab side wall main body, an end side wall main body, and at least one middle side wall main body located between the cab side wall main body and the end side wall main body; a window is arranged on the middle side wall main body, and four corners of the window are rounded corners;
a positioning groove for positioning the seat is arranged at the position, corresponding to the seat in the vehicle body, on the middle side wall main body, and the positioning groove is positioned below the window;
the positioning groove is a C-shaped groove.
Set up four angles through with the window into the fillet, can make the junction on four limits of window effectively avoid stress concentration district to improve the intensity of window angle position.
In a second aspect, the invention provides a vehicle body of a rail vehicle, which comprises a roof, a vehicle body underframe, an end wall and two side walls arranged oppositely, wherein the side walls are connected between the roof and the vehicle body underframe, and the side walls are the vehicle body side walls of the rail vehicle.
According to the car body of the rail car, the side walls are arranged into a plurality of side wall main bodies and a side wall upper edge beam penetrating through the front and the back of the car body, and the top end of each side wall main body is connected to the side wall upper edge beam to form an integral side wall; in addition, the bottom surface of each side wall main body is an upward convex arc-shaped surface matched with the shape of the vehicle body underframe, and meanwhile, the installation precision between the side wall main body and the vehicle body underframe is guaranteed.
In a third aspect, the invention provides a rail vehicle comprising a body as described above.
According to the rail vehicle provided by the invention, the side walls of the vehicle body are arranged into the plurality of side wall main bodies and the side wall upper edge beam penetrating through the front and the back of the vehicle body, and the top end of each side wall main body is connected to the side wall upper edge beam to form the integral side wall; in addition, the bottom surface of each side wall main body is an upward convex arc-shaped surface matched with the shape of the vehicle body underframe, and meanwhile, the installation precision between the side wall main body and the vehicle body underframe is guaranteed.
The construction of the present invention and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a side wall of a vehicle body of a rail vehicle, the vehicle body, and a side wall of a head-vehicle whole body of the rail vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a vehicle body side wall of a rail vehicle, a vehicle body and a middle vehicle body integral side wall of the rail vehicle according to an embodiment of the present invention;
fig. 3 is a schematic view of a side wall of a vehicle body of a rail vehicle, the vehicle body, and a welding position between the side wall and a roof of the rail vehicle according to an embodiment of the present invention.
Description of reference numerals:
1-side wall upper edge beam;
11-round corner;
2-side wall main body;
21-side wall panels;
211-side wall daughter board;
212-a window;
22-door pillar;
and 3, vehicle roof.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through intervening media, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the rail vehicle in the prior art, each side wall of the vehicle body is composed of a plurality of side wall main bodies, each side wall main body needs to be separately installed on the vehicle body in the process of assembling the vehicle body, and the top of a common vehicle body has deflection, but each side wall main body in the prior art is short in length, so that the deflection matched with the top of the vehicle body cannot be preset on the side wall main body, namely the bending degree, therefore, after each side wall main body is installed, the top end of each side wall main body needs to be polished, so that the top end of the side wall main body is matched with the deflection of the top of the vehicle body, and the installation of the side wall wastes time and labor.
In order to solve the technical problems in the prior art, the invention provides the vehicle body side wall of the rail vehicle, the vehicle body and the rail vehicle, and the convenience of side wall installation is improved. The following describes the body side wall, the body and the rail vehicle of the rail vehicle in detail by means of specific embodiments:
the first embodiment is as follows:
fig. 1 is a schematic structural view of a side wall of a vehicle body of a rail vehicle, the vehicle body, and a side wall of a head-vehicle body of the rail vehicle according to an embodiment of the present invention. Fig. 2 is a schematic structural view of a vehicle body side wall of a rail vehicle, a vehicle body and a middle vehicle body integral side wall of the rail vehicle according to an embodiment of the present invention. Fig. 3 is a schematic view of a side wall of a vehicle body of a rail vehicle, the vehicle body, and a welding position between the side wall and a roof of the rail vehicle according to an embodiment of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a sidewall of a rail vehicle, which includes a plurality of sidewall bodies 2 and a sidewall roof rail 1 penetrating the front and rear of the vehicle.
As can be understood by those skilled in the art, the side walls of the vehicle body of the rail vehicle are two and are oppositely arranged on two sides of the vehicle body. It should be noted that the vehicle body side wall in the present embodiment is described with respect to a side wall on any one side of the vehicle body. That is, any one of the two side walls includes a plurality of side wall main bodies 2 and a side wall roof side rail 1 that runs through the front and rear of the vehicle body.
For each side wall, the top end of each side wall main body 2 of the side wall is connected to the side wall roof side rail 1, and the side wall main bodies 2 are arranged at intervals along the length direction of the side wall roof side rail 1; the side wall upper edge beam 1 is welded with the car roof 3, and the bottom end of each side wall main body 2 is welded with the car body underframe; the top surface of the side wall upper edge beam 1 is an upward convex arc-shaped surface matched with the shape of the car roof 3, and the bottom surface of each side wall main body 2 is an upward convex arc-shaped surface matched with the shape of the car body underframe.
It can be understood that the car body side wall is the overall structure that is become by the roof side rail 1 on polylith side wall main part 2 and a side wall, it is concrete, polylith side wall main part 2 welds on roof side rail 1 on the side wall, in order to form a whole car body side wall, thereby make the installation between car body side wall and the roof 3 more convenient, namely, in the car body assembling process, only need to realize the installation between roof side wall 1 and the roof 3 with the installation on the side wall, and need not to install between every side wall main part 2 respectively and the roof 3, thereby the convenience of installation has effectively been improved.
Specifically, the top end of the side wall main body 2 is welded on a side wall edge beam 1, and the bottom end of the side wall main body 2 is welded with a vehicle body bottom frame, so that the vehicle body side wall is arranged between a vehicle roof 3 and the vehicle body bottom frame; in the specific implementation process, a plurality of side wall main bodies 2 are welded on the side wall in the length direction of the side beams 1 at intervals so as to ensure the consistency of the size of each carriage; in the assembly process of the vehicle body, the roof 3 is of an upward-convex arc-shaped structure, so that the top surface of the side wall upper side beam 1 of the vehicle body side wall can be set to be an upward-convex arc-shaped surface matched with the shape of the roof 3, namely, the top surface of the side wall upper side beam 1 is a curved surface with a high middle part and two low ends so as to be matched with the structure of the roof 3, so that the vehicle body side wall and the roof 3 are precisely attached to each other, and the installation precision and the installation quality between the vehicle body side wall and the roof 3 are improved.
In the concrete realization process, the top surface of the side wall upper edge beam 1 can be processed to form a certain radian through a workpiece, in addition, the bottom surface of the side wall upper edge beam 1 and the side wall main body 2 can also form a certain deflection, namely, a curvature degree in the welding process due to welding deformation, and then the deflection value is compensated through an integral processing mode, so that the vehicle body side wall and the vehicle roof 3 are precisely attached to each other, and the installation precision and the installation quality between the vehicle body side wall and the vehicle roof 3 are improved.
Specifically, the bottom surface of every side wall main part 2 is the arcwall face of the epirelief that matches with the shape of automobile body chassis, promptly, the automobile body chassis also is the arcwall face that has certain radian, and at the in-process of automobile body side wall equipment, the bottom surface of a plurality of side wall main parts 2 forms certain radian to with the arcwall face phase-match on the automobile body chassis, thereby guarantee the installation accuracy between automobile body side wall and the automobile body chassis, and then improve the installation quality of whole automobile body.
The side wall of the vehicle body of the rail vehicle provided by the invention is characterized in that a plurality of side wall main bodies 2 and a side wall upper edge beam 1 penetrating through the front and the back of the vehicle body are arranged, the top end of each side wall main body 2 is connected to the side wall upper edge beam 1 to form an integral side wall, therefore, when in installation, the side wall main body 2 is firstly connected to the side wall roof side rail 1, then the side wall main body 2 and the side wall roof side rail 1 are integrally and directly installed on the vehicle body, that is, the integral assembly of the integral side wall can be realized in the assembly process of the vehicle body, and because the top surface of the side wall upper edge beam 1 is the arc surface which is convexly raised and matched with the shape of the vehicle roof 3, when the integral side wall is installed, the whole side wall is directly installed on the vehicle body without polishing the top surface of the side wall, so that the convenience of installing the side wall is improved, and the installation precision and the installation quality are effectively improved; in addition, the bottom surface of each side wall main body 2 is an upward convex arc-shaped surface matched with the shape of the vehicle body underframe, and meanwhile, the installation precision between the side wall main bodies 2 and the vehicle body underframe is guaranteed.
In this embodiment, the top ends of the side wall main bodies 2 are welded to the side wall roof side rails 1 in a butt welding manner, that is, the joints between the side wall main bodies 2 and the side wall roof side rails 1 are not overlapped, so as to improve the profile of the vehicle body side wall.
Wherein, the side wall main body 2 specifically may include: the side wall panel 21 and the door post 22 that welds in side wall panel 21 both sides, specifically, the top of side wall panel 21 and side wall roof side rail 1 are welded together.
In this embodiment, each side wall plate 21 includes at least two side wall sub-plates 211, and the at least two side wall sub-plates 211 are arranged in sequence from bottom to top, and are welded by butt welding between two adjacent side wall sub-plates 211.
In the specific implementation process, each side wall plate 21 is formed by sequentially welding 4 side wall sub-plates 211 from bottom to top, and in order to further improve the whole side wall assembly efficiency and the side wall profile, two adjacent side wall sub-plates 211 are connected by means of butt welding.
Specifically, two adjacent side wall sub-plates 211 are welded by adopting a friction stir welding manufacturing technology, it is understood that the friction stir welding manufacturing technique refers to a technique of locally plasticizing a material to be welded using heat generated by friction between a tool rotating at a high speed and a workpiece, when the welding tool moves forwards along the welding interface, the plasticized material flows from the front part to the rear part of the welding tool under the action of the rotating friction force of the welding tool and forms a compact solid-phase welding seam under the extrusion of the welding tool, so that the tolerance of the flatness of the surface of the side wall is controlled within 1.5mm/m by adopting the welding technology, and can effectively avoid the occurrence of welding cracks, air holes and other problems so as to improve the strength and the fatigue life of the welding seam and a heat affected zone, meanwhile, the safety margin for compensating the influence of welding on the strength can be reduced, so that the wall thickness of the vehicle body section is reduced, and the light weight of the vehicle body structure is achieved.
In order to improve the welding quality, a backing plate can be arranged at the welding seam of the two adjacent side wall sub-plates 211, in the specific implementation process, two ends of the backing plate are respectively inserted into the inner cavities of the two adjacent side wall sub-plates 211, and then the two adjacent side wall sub-plates 211 are welded so as to prevent the aluminum material from falling under the action of gravity and pressure during welding, so that welding beading or uneven forming is generated on the back of the welding seam, and the welding quality is further improved.
In this embodiment, the junction of the bottom of the side wall sill 1 and the door pillar 22 has a rounded corner 11, and the top of the door pillar 22 is tangent to the rounded corner 11.
It can be understood that the fillet 11 is arranged at the bottom of the side wall roof side rail 1, and the top end of the door upright 22 is tangent to the fillet 11; in the specific implementation process, because the door angle that the bottom of boundary beam 1 and door stand 22 formed on the side wall is stress concentration district, in order to make the welding seam of boundary beam 1 and door stand 22 junction on the side wall avoid stress concentration district, in order to improve the intensity of boundary beam 1 and side wall main part 2 and door stand 22 junction on the side wall, thereby set up the bottom of boundary beam 1 and door stand 22's junction on the side wall into fillet 11, make the top of door stand 22 tangent with fillet 11.
In this embodiment, the size range of the door pillar 22 in the length direction of the vehicle body is 60mm to 70mm, and preferably, the size range of the door pillar 22 in the length direction of the vehicle body is 65mm, so that the welding deformation tendency of the door pillar 22 and the side wall main body 2 during welding is reduced, the welding deformation of the door pillar 22 is reduced, and the consistency of the form and position tolerance of the vehicle door is ensured and the tolerance quality is improved.
Of course, in other embodiments, the dimension range of the door pillar 22 in the length direction of the vehicle body may also be 70mm, which is not limited in this embodiment, as long as the welding deformation of the door pillar 22 can be reduced, the consistency of the form and position tolerance of the vehicle door can be ensured, and the tolerance quality can be improved.
In this embodiment, the plurality of side wall main bodies 2 include a cab side wall main body, an end side wall main body, and at least one middle side wall main body located between the cab side wall main body and the end side wall main body; the middle side wall body is provided with a window 212, and four corners of the window 212 are round corners.
Specifically, referring to fig. 1, the cab side wall main body is located at the leftmost end of the vehicle body side wall, the end side wall main body is located at the rightmost end of the vehicle body side wall, and the side wall between the cab side wall main body and the end side wall main body is a middle side wall main body; the windows 212 are not arranged on both the cab side wall main body and the end side wall main body, and certainly, in the specific implementation process, the windows 212 may also be arranged on the cab side wall main body and the end side wall main body, which is not limited in this embodiment.
Specifically, the window 212 is disposed on the main body of the middle side wall, and the size of the window 212 may be 1520 × 970mm, so as to enlarge the viewing angle of the passengers in the vehicle; meanwhile, since the window corner is the stress concentration area, the stress concentration area is avoided at the joints of the four edges of the window 212 to enhance the strength of the window corner, and in this embodiment, the four corners of the window 212 may be rounded corners.
In a specific implementation process, the cab side wall main body specifically comprises a cab side wall board and a cab side wall door upright post, the end side wall main body specifically comprises an end side wall board and an end side wall door upright post, and the middle side wall main body specifically comprises a middle side wall board and a middle side wall door upright post; wherein, both the side wall plate 21 and the door upright post 22 are hollow extruded aluminum profiles, and can be specifically made of ENAW-6005A-T6 aluminum alloy materials.
In addition, a positioning groove (not shown in the figure) for positioning the seat is arranged at the position, corresponding to the seat in the vehicle body, on the middle side wall main body, and the positioning groove is positioned below the window 212; specifically, the positioning groove is provided below the window 212 in the longitudinal direction of the vehicle body, i.e., in the direction with reference to fig. 1, and the positioning groove is provided below the window 212 in the left-to-right direction.
In a specific implementation process, the positioning groove may be specifically a C-shaped groove, and of course, in other implementation manners, the positioning groove may also be a V-shaped groove.
Example two:
referring to fig. 1 to 3, the vehicle body of the rail vehicle provided by the embodiment includes a roof 3, a vehicle body underframe, and two side walls arranged oppositely, wherein the side walls are connected between the roof 3 and the vehicle body underframe.
The side wall in this embodiment has the same structure as the side wall of the railway vehicle provided in the first embodiment, and can bring about the same or similar technical effects, which are not described in detail herein.
In the specific implementation process, the side wall roof side rail 1 of the side wall penetrates through the front and the back of the vehicle body, and can be connected with the vehicle roof 3 in an automatic welding mode in the welding process, so that the welding efficiency and the welding seam quality are improved.
The side walls of the vehicle body of the rail vehicle are provided with a plurality of side wall main bodies 2 and a side wall upper edge beam 1 which penetrates through the front and the back of the vehicle body, the top end of each side wall main body 2 is connected to the side wall upper edge beam 1 to form an integral side wall, therefore, when in installation, the side wall main body 2 is firstly connected to the side wall roof side rail 1, then the side wall main body 2 and the side wall roof side rail 1 are integrally and directly installed on the vehicle body, that is, the integral assembly of the integral side wall can be realized in the assembly process of the vehicle body, and because the top surface of the side wall upper edge beam 1 is the arc surface which is convexly raised and matched with the shape of the vehicle roof 3, when the integral side wall is installed, the whole side wall is directly installed on the vehicle body without polishing the top surface of the side wall, so that the convenience of installing the side wall is improved, and the installation precision and the installation quality are effectively improved; in addition, the bottom surface of each side wall main body 2 is an upward convex arc-shaped surface matched with the shape of the vehicle body underframe, and meanwhile, the installation precision between the side wall main bodies 2 and the vehicle body underframe is guaranteed.
Other technical features are the same as those of the first embodiment, and are not repeated herein, so the description of the first embodiment may be specifically referred to.
Example three:
referring to fig. 1 to 3, the present embodiment provides a railway vehicle including a vehicle body of the railway vehicle according to the second embodiment.
Specifically, the structure and principle of the vehicle body of the rail vehicle are described in the second embodiment, which is not repeated herein.
The rail vehicle provided by the invention has the advantages that the side walls of the vehicle body are arranged into a plurality of side wall main bodies 2 and the side wall upper edge beams 1 which penetrate through the front and the back of the vehicle body, the top end of each side wall main body 2 is connected to the side wall upper edge beam 1 to form an integral side wall, therefore, when in installation, the side wall main body 2 is firstly connected to the side wall roof side rail 1, then the side wall main body 2 and the side wall roof side rail 1 are integrally and directly installed on the vehicle body, that is, the integral assembly of the integral side wall can be realized in the assembly process of the vehicle body, and because the top surface of the side wall upper edge beam 1 is the arc surface which is convexly raised and matched with the shape of the vehicle roof 3, when the integral side wall is installed, the whole side wall is directly installed on the vehicle body without polishing the top surface of the side wall, so that the convenience of installing the side wall is improved, and the installation precision and the installation quality are effectively improved; in addition, the bottom surface of each side wall main body 2 is an upward convex arc-shaped surface matched with the shape of the vehicle body underframe, and meanwhile, the installation precision between the side wall main bodies 2 and the vehicle body underframe is guaranteed.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
The terms "first" and "second" in the description and claims of the present application and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The side wall of the rail vehicle body is characterized by comprising a plurality of side wall main bodies and a side wall upper edge beam penetrating through the front and the back of the vehicle body, wherein the top end of each side wall main body is connected to the side wall upper edge beam, and the side wall main bodies are arranged at intervals along the length direction of the side wall upper edge beam; the side wall upper edge beam is welded with the roof, and the bottom end of each side wall main body is welded with the underframe of the vehicle body; the top surface of the side wall upper side beam is an upward convex arc-shaped surface matched with the shape of the car roof, and the bottom surface of each side wall main body is an upward convex arc-shaped surface matched with the shape of the car body underframe.
2. The rail vehicle body side wall of claim 1, wherein the top end of each side wall body is welded to the side wall side rail by butt welding.
3. The rail vehicle body side wall of claim 1, wherein the side wall body includes a side wall panel and door pillars welded to both sides of the side wall panel.
4. The side wall of the railway vehicle body as claimed in claim 3, wherein each side wall plate comprises at least two side wall sub-plates, the at least two side wall sub-plates are sequentially arranged from bottom to top, and the adjacent two side wall sub-plates are welded by means of butt welding.
5. The side wall of the railway vehicle body as claimed in claim 4, wherein the side wall sub-panels are hollow aluminum profiles, and a profile self-contained backing plate is arranged at the welding seam of two adjacent side wall sub-panels;
when two adjacent side wall daughter boards are welded, two ends of the backing plate are respectively inserted into the inner cavities of the two adjacent side wall daughter boards.
6. The rail vehicle body side wall of claim 3, wherein the junction of the bottom of the side wall sill and the door pillar has a rounded corner, and the top end of the door pillar is tangent to the rounded corner.
7. The rail vehicle body side wall of claim 3, wherein the door pillar has a dimension in a range of 60mm to 70mm in a length direction of the vehicle body.
8. The vehicle body side wall of a rail vehicle according to claim 1, wherein the plurality of side wall bodies include a cab side wall body, an end side wall body, and at least one intermediate side wall body located between the cab side wall body and the end side wall body; a window is arranged on the middle side wall main body, and four corners of the window are rounded corners;
a positioning groove for positioning the seat is arranged at the position, corresponding to the seat in the vehicle body, on the middle side wall main body, and the positioning groove is positioned below the window;
the positioning groove is a C-shaped groove.
9. A vehicle body of a rail vehicle comprises a roof, an end wall, a vehicle body chassis and two side walls which are arranged oppositely, wherein the side walls are connected between the roof and the vehicle body chassis, and the rail vehicle is characterized in that the side walls are the vehicle body side walls of the rail vehicle as claimed in any one of claims 1 to 8.
10. A rail vehicle, characterized in that it comprises a body of a rail vehicle according to claim 9.
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| CN201811491886.9A CN111284510A (en) | 2018-12-07 | 2018-12-07 | Rail vehicle's automobile body side wall, automobile body and rail vehicle |
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| CN201811491886.9A CN111284510A (en) | 2018-12-07 | 2018-12-07 | Rail vehicle's automobile body side wall, automobile body and rail vehicle |
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| CN111284510A true CN111284510A (en) | 2020-06-16 |
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| CN112026807A (en) * | 2020-08-24 | 2020-12-04 | 中车四方车辆有限公司 | Trolley bus body with guide rails |
| CN115214731A (en) * | 2022-08-09 | 2022-10-21 | 中铁合肥新型交通产业投资有限公司 | Intermediate frame of hinged straddle type monorail vehicle |
| WO2023097833A1 (en) * | 2021-12-03 | 2023-06-08 | 中车唐山机车车辆有限公司 | Side wall structure, vehicle body, and rail vehicle |
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