Vehicle body boundary beam box type structure and machining method thereof

Abstract

The invention discloses a vehicle body boundary beam box type structure and a machining method thereof, and relates to the technical field of railway vehicles. The outer edge beam is obliquely arranged on one side of the inner edge beam; the edge beam floor is horizontally arranged, the outer edge beam is obliquely arranged on one side of the edge beam floor, and the edge beam floor and the inner edge beam are arranged in parallel at intervals up and down; the profile reinforcing plate is connected with one side of the edge beam floor and one side of the inner edge beam, and the outer edge beam and the profile reinforcing plate are located on the two sides of the edge beam floor and the inner edge beam in the length direction; a first opening is formed in the edge beam floor, a second opening matched with the first opening is formed in the outer edge beam, and the outlines of the first opening and the second opening are smoothly connected; the area, directly facing the first opening, of the top face of the inner edge beam is provided with a pedal reinforcing plate. A blocking plate is arranged around the inner side of the first opening of the boundary beam floor. The whole structure is simple and reliable, and good manufacturability is achieved while the requirement for the vehicle structure is met.

Description

Technical Field

[0001] The present application relates to the technical field of rail vehicles, and in particular to a vehicle body side beam box-type structure and a processing method thereof. Background Art

[0002] At present, the body of high-speed rail vehicles is mainly welded from full-length aluminum alloy profiles, with few welds and good structural continuity. The floor height of European rail vehicles is generally 1200mm, and the maximum platform height is 960mm. In order to facilitate passengers to get on and off the vehicle, the vehicle needs to form a step in the door area. This step causes the main load-bearing full-length side beam of the vehicle body to be discontinuous at the door; at the same time, the door area itself is a weak area in the vehicle body structure strength, and the discontinuity of the side beam makes the vehicle body strength even weaker in this area.

[0003] Therefore, in order to meet the needs of passengers getting on and off the vehicle and the requirements of vehicle body strength design, a vehicle body side beam box-type structure and a processing method thereof are now provided. Summary of the invention

[0004] In view of the defects existing in the prior art, the purpose of this application is to provide a body side beam box-type structure and a processing method thereof, the overall structure is simple and reliable, easy to manufacture, and achieves good processability while meeting the vehicle structure requirements.

[0005] In order to achieve the above objectives, the technical solution adopted by this application is:

[0006] In a first aspect, the present application provides a vehicle body side beam box structure, the box structure comprising:

[0007] External beam;

[0008] An inner side beam is arranged horizontally, and the outer side beam is arranged obliquely on one side of the inner side beam;

[0009] A horizontally arranged side beam floor, wherein the outer side beam is obliquely arranged on one side of the side beam floor, and the side beam floor and the inner side beam are arranged in parallel with each other at intervals;

[0010] A vertically arranged profile patch, the profile patch is connected to one side of the edge beam floor and the inner edge beam, and the outer edge beam and the profile patch are both located on both sides of the edge beam floor and the inner edge beam in the length direction;

[0011] The side beam floor is provided with a first opening, the outer side beam is provided with a second opening matching the first opening, and the contours of the first opening and the second opening are smoothly connected;

[0012] A footrest patch is provided on the top surface of the inner side beam in an area facing the first opening;

[0013] A blocking plate is arranged around the inner side of the first opening of the edge beam floor.

[0014] On the basis of the above technical solution, the bottom surface of the side beam floor is connected to the top surface of the inner side beam through a plurality of butt joints and a plurality of T-joints.

[0015] On the basis of the above technical solution, the side edges of the edge beam floor are connected to the outer edge beams through a plurality of butt joints.

[0016] On the basis of the above technical solution, the profile patch is connected to the side beam floor and the inner side beam through a plurality of butt joints and a plurality of T-joints.

[0017] On the basis of the above technical solution, the outer side beam, the inner side beam, the side beam floor and the profile patch are all panels with a steel frame structure inside.

[0018] On the basis of the above technical solution, a recessed structure is provided in an area of ​​the top surface of the inner side beam facing the first opening, and the footrest patch is provided in the recessed structure.

[0019] In a second aspect, the present application provides a method for processing the vehicle body side beam box-type structure mentioned in the first aspect, the method comprising the following steps:

[0020] A second opening is reserved on the outer edge beam and a first opening is reserved on the edge beam floor;

[0021] The side beam floor is horizontally arranged, the outer side beam is obliquely arranged on one side of the side beam floor, and the contours of the first opening and the second opening are smoothly connected, and the outer side beam and the side beam floor are welded;

[0022] Inner side beams are arranged horizontally at intervals on the bottom surface of the side beam floor, and the inner side beams and the outer side beams are welded by butt joints;

[0023] Welding the inner side beam and the outer side beam using a T-joint;

[0024] The inner side beam and the profile patch are welded by using a butt joint, and the side beam floor and the profile patch are welded by using a T-joint;

[0025] Welding a footrest patch plate on the top surface of the inner side beam;

[0026] A blocking plate is arranged around the inner side of the first opening, and welds are formed between the blocking plate and the outer side beam, the inner side beam and the side beam floor.

[0027] Compared with the prior art, the advantages of this application are:

[0028] The overall structure of the present application is simple and reliable, and is easy to manufacture. It meets the structural requirements of the vehicle and achieves good workmanship. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 This is a schematic structural diagram of a vehicle body side beam box-type structure according to an embodiment of the present application;

[0031] Figure 2 A cross-sectional view of a vehicle body side beam box structure according to an embodiment of the present application;

[0032] In the figure:

[0033] 1. Outer side beam; 10. Second opening; 2. Inner side beam; 3. Side beam floor; 30. First opening; 4. Profile patch; 5. Footrest patch; 6. Blocking plate. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0035] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0036] The embodiment of the present application provides a vehicle body side beam box-type structure and a processing method thereof. The overall structure is simple and reliable, and the manufacturing is convenient. While meeting the vehicle structure requirements, good processability is achieved.

[0037] In order to achieve the above technical effects, the overall idea of ​​this application is as follows:

[0038] A vehicle body side beam box structure, the box structure comprising:

[0039] External beam 1;

[0040] An inner side beam 2 is arranged horizontally, and the outer side beam 1 is arranged obliquely on one side of the inner side beam 2;

[0041] A horizontally arranged side beam floor 3, the outer side beam 1 being obliquely arranged on one side of the side beam floor 3, the side beam floor 3 and the inner side beam 2 being arranged in parallel with each other at intervals in the upper and lower parts;

[0042] A vertically arranged profile patch plate 4, the profile patch plate 4 is connected to the side beam floor 3 and one side of the inner side beam 2, and the outer side beam 1 and the profile patch plate 4 are both located on both sides of the side beam floor 3 and the inner side beam 2 in the length direction;

[0043] The side beam floor 3 is provided with a first opening 30, and the outer side beam 1 is provided with a second opening 10 matching the first opening 30, and the contours of the first opening 30 and the second opening 10 are smoothly connected;

[0044] A footrest patch plate 5 is provided on the top surface of the inner side beam 2 in an area facing the first opening 30;

[0045] A blocking plate 6 is arranged around the inner side of the first opening 30 of the side beam floor 3 .

[0046] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0047] First, see Figures 1-2 As shown, an embodiment of the present application provides a vehicle body side beam box structure, the box structure comprising:

[0048] External beam 1;

[0049] An inner side beam 2 is arranged horizontally, and the outer side beam 1 is arranged obliquely on one side of the inner side beam 2;

[0050] A horizontally arranged side beam floor 3, the outer side beam 1 being obliquely arranged on one side of the side beam floor 3, the side beam floor 3 and the inner side beam 2 being arranged in parallel with each other at intervals in the upper and lower parts;

[0051] A vertically arranged profile patch plate 4, the profile patch plate 4 is connected to the side beam floor 3 and one side of the inner side beam 2, and the outer side beam 1 and the profile patch plate 4 are both located on both sides of the side beam floor 3 and the inner side beam 2 in the length direction;

[0052] The side beam floor 3 is provided with a first opening 30, and the outer side beam 1 is provided with a second opening 10 matching the first opening 30, and the contours of the first opening 30 and the second opening 10 are smoothly connected;

[0053] A footrest patch plate 5 is provided on the top surface of the inner side beam 2 in an area facing the first opening 30;

[0054] A blocking plate 6 is arranged around the inner side of the first opening 30 of the side beam floor 3 .

[0055] In the embodiment of the present application, the overall structure is simple and reliable, easy to manufacture, and achieves good processability while meeting the vehicle structure requirements.

[0056] Furthermore, the bottom surface of the side beam floor 3 is connected to the top surface of the inner side beam 2 through a plurality of butt joints and a plurality of T-joints.

[0057] Furthermore, the side edges of the edge beam floor 3 are connected to the outer edge beam 1 through a plurality of butt joints.

[0058] Furthermore, the profile patch plate 4 is connected to the side beam floor 3 and the inner side beam 2 through a plurality of butt joints and a plurality of T-joints.

[0059] Furthermore, the outer side beam 1, the inner side beam 2, the side beam floor 3 and the profile patch 4 are all panels with a steel frame structure inside.

[0060] Furthermore, a recessed structure is provided in an area of ​​the top surface of the inner side beam 2 facing the first opening 30, and the footrest patch 5 is provided in the recessed structure.

[0061] The technical solution of the embodiment of the present application is as follows:

[0062] The box-type structure of the side beam of the vehicle body is mainly made of profiles welded together, and the profiles have integrated welded joints and welded back plates;

[0063] Pre-process and cut off part of the material of the outer edge beam 1 and the edge beam floor 3 to form a door cutout;

[0064] The bottom surface of the side beam floor 3 is connected to the top surface of the inner side beam 2 through a plurality of butt joints and a plurality of T-joints;

[0065] The side edges of the edge beam floor 3 are connected to the outer edge beam 1 through a plurality of butt joints;

[0066] The profile patch plate 4 is connected to the side beam floor 3 and the inner side beam 2 through a plurality of butt joints and a plurality of T-joints;

[0067] The function of the T-joint is to ensure the verticality between the inner edge beam 2, the profile patch plate 4 and the edge beam floor 3;

[0068] The above parts are welded together to form a side beam box-type structural frame;

[0069] After the frame is welded, the footrest filler plate 5 connects the outer side beam 1 and the inner side beam 2 in the door cutout area to provide support for the footrest installation;

[0070] The blocking plate 6 blocks the box-shaped structure opening in the door cutout area and provides rigid support for the door cutout.

[0071] Furthermore, the specific implementation method is as follows:

[0072] 1. Weld the butt weld between the outer edge beam 1 and the edge beam floor 3, leaving a concave reverse deformation when the two are assembled;

[0073] 2. Weld the butt joint between the inner side beam 2 and the outer side beam 1, use the tooling to support the concave reverse deformation, and use the tooling to support the distance between the upper joints of the inner side beam 2 and the outer side beam 1 to ensure the installation and welding of the footrest patch 5 in the subsequent process;

[0074] 3. Weld the T-joint between the inner side beam 2 and the profile floor 3. The T-joint can ensure the verticality between the two;

[0075] 4. Weld the butt joint between the profile patch plate 4 and the inner side beam 2, and then weld the T-joint between the profile patch plate 4 and the side beam floor 3. The T-joint can ensure the verticality between the profile patch plate 4 and the side beam floor 3;

[0076] 5. Weld the butt joints between the footrest patch 5 and the outer side beam 1 and the inner side beam 2;

[0077] 6. Weld the welds between the blocking plate 6 and the outer side beam 1, the inner side beam 2, and the side beam floor 3.

[0078] In summary, the technical solution of the embodiment of the present application meets the vehicle structure requirements caused by the inconsistency between the track platform height and the vehicle floor height;

[0079] It has good processability and is easy to effectively control welding deformation while meeting structural requirements.

[0080] In a second aspect, an embodiment of the present application provides a method for processing the vehicle body side beam box-type structure mentioned in the first aspect, the processing method comprising the following steps:

[0081] S1, reserve a second opening 10 on the outer side beam 1, and reserve a first opening 30 on the side beam floor 3;

[0082] S2, horizontally setting the side beam floor 3, the outer side beam 1 is obliquely set on one side of the side beam floor 3, and the contours of the first opening 30 and the second opening 10 are smoothly connected, and the outer side beam 1 and the side beam floor 3 are welded;

[0083] S3, arranging inner side beams 2 at intervals horizontally on the bottom surface of the side beam floor 3, and welding the inner side beams 2 and the outer side beams 1 by using a butt joint;

[0084] S4, welding the inner side beam 2 and the outer side beam 1 by using a T-joint;

[0085] S5, welding the inner side beam 2 and the profile patch 4 by using a butt joint, and welding the side beam floor 3 and the profile patch 4 by using a T-joint;

[0086] S6, welding the footrest patch 5 on the top surface of the inner side beam 2;

[0087] S7, a blocking plate 6 is disposed around the inner side of the first opening 30, and welds are formed between the blocking plate 6 and the outer side beam 1, the inner side beam 2 and the side beam floor 3.

[0088] The overall structure of the embodiment of the present application is simple and reliable, easy to manufacture, and achieves good processability while meeting the vehicle structure requirements.

[0089] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0090] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0091] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A car body side beam box structure, characterized in that: The box-type structure comprises: External beam (1); An inner side beam (2) is arranged horizontally, and the outer side beam (1) is arranged obliquely on one side of the inner side beam (2); A side beam floor (3) is arranged horizontally, wherein the outer side beam (1) is arranged obliquely on one side of the side beam floor (3), and the side beam floor (3) and the inner side beam (2) are arranged in parallel with each other at intervals in the upper and lower parts; A profile patch (4) is arranged vertically, the profile patch (4) is connected to the side beam floor (3) and one side of the inner side beam (2), and the outer side beam (1) and the profile patch (4) are both located on both sides of the side beam floor (3) and the inner side beam (2) in the length direction; The side beam floor (3) is provided with a first opening (30), the outer side beam (1) is provided with a second opening (10) matching the first opening (30), and the contours of the first opening (30) and the second opening (10) are smoothly connected; A footrest patch plate (5) is provided in an area of ​​the top surface of the inner side beam (2) facing the first opening (30); A blocking plate (6) is arranged around the inner side of the first opening (30) of the side beam floor (3).

2. The vehicle body side beam box structure according to claim 1, characterized in that: The bottom surface of the side beam floor (3) is connected to the top surface of the inner side beam (2) via a plurality of butt joints and a plurality of T-joints.

3. The vehicle body side beam box structure according to claim 1, characterized in that: The side edges of the edge beam floor (3) are connected to the outer edge beam (1) via a plurality of butt joints.

4. The vehicle body side beam box structure according to claim 1, characterized in that: The profile patch plate (4) is connected to the side beam floor (3) and the inner side beam (2) via a plurality of butt joints and a plurality of T-joints.

5. The vehicle body side beam box structure according to claim 1, characterized in that: The outer side beam (1), the inner side beam (2), the side beam floor (3) and the profiled patch plate (4) are all panels that include a steel frame structure inside.

6. The vehicle body side beam box structure according to claim 1, characterized in that: A recessed structure is provided in an area of ​​the top surface of the inner side beam (2) facing the first opening (30), and the footrest patch (5) is arranged in the recessed structure.

7. A method for processing a vehicle body side beam box structure as claimed in any one of claims 1 to 6, characterized in that: The method comprises the following steps: A second opening (10) is reserved on the outer side beam (1), and a first opening (30) is reserved on the side beam floor (3); The side beam floor (3) is horizontally arranged, the outer side beam (1) is obliquely arranged on one side of the side beam floor (3), and the contours of the first opening (30) and the second opening (10) are smoothly connected, and the outer side beam (1) and the side beam floor (3) are welded; Inner side beams (2) are horizontally arranged at intervals on the bottom surface of the side beam floor (3), and the inner side beams (2) and the outer side beams (1) are welded by butt joints; The inner side beam (2) and the outer side beam (1) are welded by using a T-shaped joint; The inner side beam (2) and the profile patch (4) are welded by using a butt joint, and the side beam floor (3) and the profile patch (4) are welded by using a T-joint; A footrest patch plate (5) is welded on the top surface of the inner side beam (2); A blocking plate (6) is arranged around the inner side of the first opening (30), and welds are formed between the blocking plate (6) and the outer side beam (1), the inner side beam (2) and the side beam floor (3).

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