End wall structure of railway vehicle body

Abstract

The utility model relates to the technical field of vehicle body end wall structures, in particular to a railway vehicle body end wall structure which comprises an upper cross beam, two first positioning grooves are formed in the upper cross beam, first positioning blocks are clamped in the first positioning grooves, the first positioning blocks are fixedly connected to a door stand column, and a bottom cross beam is installed at the bottom end of the door stand column. Two second positioning grooves are formed in the bottom cross beam, second positioning blocks are fixedly connected to the bottom ends of the two door stand columns, the second positioning blocks are clamped with the corresponding second positioning grooves, and side end wallboards are installed on the door stand columns through first reinforcing structures; the positioning structures are installed on the upper cross beam, the door stand column and the bottom cross beam, and before welding, the positioning blocks at the two ends of the door stand column are clamped with the positioning grooves in the upper cross beam and the bottom cross beam correspondingly, so that the door stand column can be rapidly positioned, the installation position of the door stand column is accurate, and the door stand column can be rapidly fixed; and the welding operation is more convenient and flexible.

Description

Technical Field

[0001] The utility model relates to a vehicle body end wall structure, in particular to a rail vehicle vehicle body end wall structure, and belongs to the technical field of vehicle body end wall structures. Background Art

[0002] The end wall structure of a rail vehicle body is a vital component of the vehicle structure. It is located at both ends of the body and is connected to the chassis, side walls and roof to form a cylindrical structure to improve the rigidity and strength of the body. The end wall is mainly composed of end wall panels, reinforcing beams, door columns, upper crossbeams, bottom crossbeams and other components. The manufacturing process of the end wall mainly includes welding, assembly and other processes. During the welding process, the quality and strength of the welds need to be guaranteed; during the assembly process, the accuracy and precision of each component need to be guaranteed. At the same time, the end wall also needs to be subjected to necessary inspection and testing to ensure that it meets the design requirements and usage requirements.

[0003] However, traditional rail vehicle body end wall structures connect the door posts to the upper and bottom crossbeams through direct welding. Before welding, the installation position of the door posts needs to be measured and accurately located, which is cumbersome and inflexible. Utility Model Content

[0004] The purpose of the present utility model is to provide a rail vehicle body end wall structure in order to solve the above-mentioned problem. By installing positioning structures on the upper crossbeam, door column and bottom crossbeam, before welding, the positioning blocks at both ends of the door column are respectively engaged with the positioning grooves on the upper crossbeam and the bottom crossbeam, so that the door column can be quickly positioned, the installation position of the door column is accurate, and the door column can be quickly fixed, making the operation during welding more convenient and flexible.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: a rail vehicle body end wall structure, including an upper crossbeam, a positioning structure installed on the upper crossbeam, the positioning structure including a first positioning groove, two first positioning grooves are provided on the upper crossbeam, a first positioning block is engaged in the first positioning groove, the first positioning block is fixedly connected to the door column, the bottom end of the door column is installed with a bottom crossbeam, two second positioning grooves are provided on the bottom crossbeam, the bottom ends of the two door columns are fixedly connected with second positioning blocks, the second positioning blocks are engaged with the corresponding second positioning grooves, side end wall panels are installed on the door column through the first reinforcement structure, and the upper end wall panel is installed on the upper crossbeam through the second reinforcement structure.

[0006] Preferably, the two door posts are symmetrically distributed about the middle of the upper crossbeam, and the door posts and the upper crossbeam are perpendicular to each other.

[0007] Preferably, the first reinforcement structure includes a first card slot, and two rows of first card slots are provided on the door column. First reinforcement beams are engaged in the first card slots, and the same side end wall panel is installed between the two rows of first reinforcement beams.

[0008] Preferably, a plurality of grooves are provided on the door column, and two spring plates are fixedly connected to the end of the first reinforcing beam, and the spring plates are engaged with the corresponding grooves.

[0009] Preferably, the two adjacent grooves are symmetrically distributed about the middle portion of the first reinforcing beam, the two adjacent spring sheets are symmetrically distributed about the middle portion of the first reinforcing beam, and the two adjacent grooves are both connected to the corresponding first slots.

[0010] Preferably, a plurality of first plug welding holes are provided on the first reinforcing beam, and the plurality of first plug welding holes are distributed in a linear array.

[0011] Preferably, the second reinforcement structure includes a second card slot, and two rows of second card slots are opened at the top of the upper cross beam. A card block is engaged in the second card slot, and the top of the card block is fixedly connected to the second reinforcement beam. The same upper end wall panel is installed between the two rows of the second reinforcement beams.

[0012] Preferably, a plurality of second plug welding holes are provided on the second reinforcing beam, and the plurality of second plug welding holes are distributed in a linear array.

[0013] The beneficial effects of the utility model are as follows: two first positioning grooves are provided on the upper crossbeam, a first positioning block is engaged in the first positioning groove, the first positioning block is fixedly connected to the door column, the bottom end of the door column is installed with a bottom crossbeam, two second positioning grooves are provided on the bottom crossbeam, the bottom ends of the two door columns are fixedly connected with second positioning blocks, the second positioning blocks are engaged with the corresponding second positioning grooves, the side end wall panels are installed on the door columns through the first reinforcement structure, and the upper end wall panels are installed on the upper crossbeam through the second reinforcement structure; by installing the positioning structure on the upper crossbeam, the door column and the bottom crossbeam, before welding, the positioning blocks at both ends of the door column are respectively engaged with the positioning grooves on the upper crossbeam and the bottom crossbeam, so that the door column can be quickly positioned, the installation position of the door column is accurate, and the door column can be quickly fixed, making the welding operation more convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure between the upper crossbeam and the upper end wallboard of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the upper crossbeam and the positioning block of the utility model;

[0017] Figure 4 for Figure 3 The enlarged structural diagram of part A is shown;

[0018] Figure 5 for Figure 3 The enlarged structural diagram of part B is shown;

[0019] Figure 6 This is a schematic diagram of the connection structure between the second reinforcement beam and the upper end wall panel of the utility model.

[0020] In the figure: 1. Upper crossbeam; 2. Door column; 3. Bottom crossbeam; 4. Side wall panel; 5. First reinforcement structure; 501. First reinforcement beam; 502. First slot; 503. Spring piece; 504. Groove; 505. First plug welding hole; 6. Second reinforcement structure; 601. Second reinforcement beam; 602. Block; 603. Second slot; 604. Second plug welding hole; 7. Upper wall panel; 8. Positioning structure; 801. First positioning block; 802. First positioning slot; 803. Second positioning slot; 804. Second positioning block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-6 As shown, a rail vehicle body end wall structure includes an upper crossbeam 1, a positioning structure 8 is installed on the upper crossbeam 1, the positioning structure 8 includes a first positioning groove 802, two first positioning grooves 802 are provided on the upper crossbeam 1, a first positioning block 801 is engaged in the first positioning groove 802, the first positioning block 801 is fixedly connected to the door column 2, the bottom end of the door column 2 is installed with a bottom crossbeam 3, two second positioning grooves 803 are provided on the bottom crossbeam 3, the bottom ends of the two door columns 2 are fixedly connected with second positioning blocks 804, the second positioning blocks 804 are engaged with the corresponding second positioning grooves 803, the two door columns 2 are symmetrically distributed about the middle part of the upper crossbeam 1, the door columns 2 and the upper crossbeam 1 are perpendicular to each other, the side end wall panels 4 are installed on the door columns 2 through the first reinforcement structure 5, and the upper end wall panel 7 is installed on the upper crossbeam 1 through the second reinforcement structure 6.

[0023] As a technical optimization solution of the present invention, the first reinforcement structure 5 includes a first slot 502, and two rows of first slots 502 are provided on the door column 2. The first reinforcement beam 501 is engaged in the first slot 502, and the same side end wall panel 4 is installed between the two rows of first reinforcement beams 501. A plurality of grooves 504 are provided on the door column 2, and two elastic sheets 503 are fixedly connected to the end of the first reinforcement beam 501, and the elastic sheets 503 are engaged with the corresponding slots 504. The two adjacent grooves 504 are symmetrically distributed about the middle of the first reinforcement beam 501, and the two adjacent elastic sheets 503 are symmetrically distributed about the middle of the first reinforcement beam 501, and the two adjacent grooves 504 are connected to the corresponding first slots 502; the first reinforcement structure 5 is installed on the two door columns 2 in turn, and the ends of the plurality of first reinforcement beams 501 are engaged with the corresponding first slots 502 on the door column 2 in turn. When the first reinforcement beam 501 is in contact with the door column 2, the door column 2 contacts the spring plates 503 at the upper and lower ends of the first reinforcement beam 501 and contracts toward the middle of the first reinforcement beam 501, continuously pushing the first reinforcement beam 501. When the spring plates 503 are aligned with the corresponding grooves 504, the spring plates 503 are reset and engaged in the grooves 504, so that the first reinforcement beam 501 cannot move toward the outside of the door column 2, thereby quickly fixing the first reinforcement beam 501. Then, the connection between the first reinforcement beam 501 and the door column 2 is welded, and the side end wall panel 4 is engaged between the two rows of first reinforcement beams 501, so that the side end wall panel 4 can be quickly installed. Finally, the connection between the side end wall panel 4 and the first reinforcement beam 501 is welded in the first plug welding hole 505. The arrangement of the first reinforcement beam 501 can enhance the strength and rigidity of the side end wall panel 4, making the entire end wall structure more solid.

[0024] As a technical optimization solution of the present invention, a plurality of first plug welding holes 505 are opened on the first reinforcing beam 501, and the plurality of first plug welding holes 505 are distributed in a linear array; this facilitates welding work at the connection between the side end wall panel 4 and the first reinforcing beam 501, thereby improving the welding effect.

[0025] As a technical optimization solution of the present invention, the second reinforcement structure 6 includes a second card slot 603, and two rows of second card slots 603 are opened at the top of the upper crossbeam 1. A card block 602 is clamped in the second card slot 603, and the top of the card block 602 is fixedly connected to the second reinforcing beam 601. The same upper end wall panel 7 is installed between the two rows of the second reinforcing beams 601; the second reinforcement structure 6 is installed on the top of the upper crossbeam 1 in turn. When installing, the card blocks 602 at the bottom ends of the multiple second reinforcing beams 601 are clamped with the corresponding second card slots 603 on the upper crossbeam 1 in turn. The second reinforcing beam 601 is preliminarily fixed, and the installation position of the second reinforcing beam 601 is accurate. At the same time, it is convenient to weld the connection between the second reinforcing beam 601 and the upper cross beam 1, so that the operation is more flexible and the installation accuracy is higher. Then the upper end wall panel 7 is clamped between the two rows of second reinforcing beams 601, and the upper end wall panel 7 can be quickly installed. The connection between the upper end wall panel 7 and the second reinforcing beam 601 is welded in the second plug welding hole 604. The setting of the second reinforcing beam 601 can enhance the strength and rigidity of the upper end wall panel 7, and further make the entire end wall structure more solid.

[0026] As a technical optimization solution of the present invention, a plurality of second plug welding holes 604 are opened on the second reinforcing beam 601, and the plurality of second plug welding holes 604 are distributed in a linear array; it is convenient to weld the connection between the second reinforcing beam 601 and the upper end wall panel 7, so that the strength and rigidity of the upper end wall panel 7 are better.

[0027] When the utility model is in use, first move the two door posts 2 in sequence, and engage the first positioning block 801 at the top of the door post 2 with the first positioning groove 802 on the upper crossbeam 1, so that the door post 2 and the upper crossbeam 1 are preliminarily connected, and then the connection between the upper crossbeam 1 and the door post 2 is welded, and then move the bottom crossbeam 3, so that the second positioning groove 803 on the bottom crossbeam 3 is engaged with the second positioning block 804 at the bottom end of the door post 2, so that the bottom crossbeam 3 and the door post 2 are preliminarily connected, and then the bottom crossbeam 3 and the door post 2 are welded. By installing the positioning structure 8 on the upper crossbeam 1, the door post 2 and the bottom crossbeam 3, the door post 2 can be quickly positioned so that The installation position of the door column 2 is accurate, and the door column 2 can be quickly fixed, making the welding operation more convenient and flexible; then the first reinforcement structure 5 is installed on the two door columns 2 in turn, and the ends of multiple first reinforcing beams 501 are engaged in the corresponding first slots 502 on the door column 2 in turn. During installation, the first reinforcing beam 501 is pushed in the direction of the first slot 502. When the first reinforcing beam 501 contacts the door column 2, the door column 2 resists the spring pieces 503 at the upper and lower ends of the first reinforcing beam 501 and contracts toward the middle of the first reinforcing beam 501, and continues to push the first reinforcing beam 501. When the spring piece 503 is aligned with the corresponding groove 504, the spring piece 503 is reset and engaged. The first reinforcing beam 501 is inserted into the groove 504, so that the first reinforcing beam 501 cannot move toward the outside of the door column 2, thereby quickly fixing the first reinforcing beam 501, and then welding the connection between the first reinforcing beam 501 and the door column 2, and then clamping the side end wall panel 4 between the two rows of first reinforcing beams 501, so that the side end wall panel 4 can be quickly installed, and then welding the connection between the side end wall panel 4 and the first reinforcing beam 501 in the first plug welding hole 505. The setting of the first reinforcing beam 501 can enhance the strength and rigidity of the side end wall panel 4, making the entire end wall structure more solid; then sequentially install the second reinforcement structure 6 on the top of the upper crossbeam 1. During installation, multiple second reinforcing beams are sequentially installed. The block 602 at the bottom end of 601 engages with the corresponding second slot 603 on the upper crossbeam 1, thereby preliminarily fixing the second reinforcing beam 601 and making the installation position of the second reinforcing beam 601 accurate. At the same time, it is convenient to weld the connection between the second reinforcing beam 601 and the upper crossbeam 1, making the operation more flexible and the installation accuracy higher. Then, the upper end wall panel 7 is engaged between the two rows of second reinforcing beams 601, so that the upper end wall panel 7 can be quickly installed, and then the connection between the upper end wall panel 7 and the second reinforcing beam 601 is welded in the second plug welding hole 604. The setting of the second reinforcing beam 601 can enhance the strength and rigidity of the upper end wall panel 7, further making the entire end wall structure more solid.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0029] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A rail vehicle body end wall structure, comprising an upper crossbeam (1), characterized in that: A positioning structure (8) is installed on the upper crossbeam (1), and the positioning structure (8) includes a first positioning groove (802). Two first positioning grooves (802) are provided on the upper crossbeam (1), and a first positioning block (801) is engaged in the first positioning groove (802). The first positioning block (801) is fixedly connected to the door column (2). The bottom end of the door column (2) is installed with a bottom crossbeam (3), and two second positioning grooves (803) are provided on the bottom crossbeam (3). The bottom ends of the two door columns (2) are fixedly connected with a second positioning block (804), and the second positioning block (804) is engaged with the corresponding second positioning groove (803). The door column (2) is installed with a side end wall panel (4) through the first reinforcement structure (5), and the upper end wall panel (7) is installed on the upper crossbeam (1) through the second reinforcement structure (6).

2. The rail vehicle body end wall structure according to claim 1, characterized in that: The two door posts (2) are symmetrically distributed about the middle of the upper crossbeam (1), and the door posts (2) and the upper crossbeam (1) are perpendicular to each other.

3. The rail vehicle body end wall structure according to claim 1, characterized in that: The first reinforcement structure (5) comprises a first card slot (502), two rows of first card slots (502) are provided on the door column (2), first reinforcement beams (501) are engaged in the first card slots (502), and the same side end wall panel (4) is installed between the two rows of first reinforcement beams (501).

4. The rail vehicle body end wall structure according to claim 3, characterized in that: A plurality of grooves (504) are provided on the door column (2); two spring plates (503) are fixedly connected to the end of the first reinforcing beam (501); and the spring plates (503) are engaged with the corresponding grooves (504).

5. The rail vehicle body end wall structure according to claim 4, characterized in that: The two adjacent grooves (504) are symmetrically distributed about the middle of the first reinforcing beam (501), the two adjacent spring pieces (503) are symmetrically distributed about the middle of the first reinforcing beam (501), and the two adjacent grooves (504) are both connected to the corresponding first clamping slots (502).

6. The rail vehicle body end wall structure according to claim 5, characterized in that: The first reinforcing beam (501) is provided with a plurality of first plug welding holes (505), and the plurality of first plug welding holes (505) are distributed in a linear array.

7. The rail vehicle body end wall structure according to claim 1, characterized in that: The second reinforcement structure (6) comprises a second card slot (603), two rows of second card slots (603) are provided at the top end of the upper cross beam (1), a card block (602) is engaged in the second card slot (603), the top end of the card block (602) is fixedly connected to the second reinforcement beam (601), and the same upper end wall panel (7) is installed between the two rows of the second reinforcement beams (601).

8. The rail vehicle body end wall structure according to claim 7, characterized in that: The second reinforcing beam (601) is provided with a plurality of second plug welding holes (604), and the plurality of second plug welding holes (604) are distributed in a linear array.

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