CN-224223023-U - Device for controlling welding instability deformation of aluminum alloy sheet member of railway vehicle

Abstract

The utility model discloses a device for controlling welding instability deformation of an aluminum alloy sheet member of a railway vehicle, which comprises a tool main body, a plurality of supporting components arranged on the tool main body and extending along the length direction of the tool main body, and a pressing component matched with the supporting components, wherein the aluminum alloy sheet member is placed on the tool main body and supported at the lower part of the aluminum alloy sheet member through the plurality of supporting components, the pressing component is pressed on the upper surface of the aluminum alloy sheet member, and the pressing component and the supporting components are arranged in a staggered manner. According to the device, the support assemblies and the compaction assemblies which are arranged on the upper surface and the lower surface of the aluminum alloy sheet in a staggered mode guarantee that the lower portion of a welding line area is supported and compacted in a staggered mode, and no displacement and dislocation phenomenon during welding are guaranteed.

Inventors

• ZHOU JINGHUI
• LI DONGLIANG
• ZANG TIEJUN
• MA JIANNAN

Assignees

• 中车长春轨道客车股份有限公司

Dates

Publication Date

20260512

Application Date

20250106

Claims (5)

1. 1. A device for controlling welding instability deformation of an aluminum alloy sheet member of a railway vehicle, characterized in that the device comprises: a tool main body (1); A plurality of support components (2) arranged on the tool main body (1) and extending along the length direction of the tool main body (1), and A compression assembly (3) for use with the support assembly (2); An aluminum alloy sheet member is placed on the tool main body (1) and supported at the lower part of the aluminum alloy sheet member through a plurality of support assemblies (2); The pressing component (3) is pressed on the upper surface of the aluminum alloy sheet member, and the pressing component (3) and the supporting component (2) are arranged in a staggered mode.
2. 2. The device for controlling welding instability deformation of a railway vehicle aluminium alloy sheet member according to claim 1, characterized in that the tooling body (1) comprises: Bottom longitudinal beam (101), and The plurality of support beams (102) are arranged between the two bottom longitudinal beams (101), and the plurality of support beams (102) are arranged at intervals along the length direction of the bottom longitudinal beams (101); The support beam (102) is provided with vertical plate bases (103) at intervals along the length direction, and vertical plates (104) are arranged on the vertical plate bases (103); the supporting component (2) is arranged on the tool main body (1) through the vertical plate (104).
3. 3. The device for controlling welding instability deformation of a railway vehicle aluminium alloy sheet member according to claim 1, characterized in that the support assembly (2) comprises: Side plates (201) on both sides of the support assembly (2), and And the lifting adjusting structures are arranged between the two side plates (201), the upper ends of the lifting adjusting structures support the cross beams (204), and the cross beams (204) are used for being attached to the lower surface of the aluminum alloy sheet member and supporting the aluminum alloy sheet member.
4. 4. A device for controlling welding instability deformation of an aluminum alloy sheet member of a railway vehicle according to claim 3, wherein the lifting adjusting structure is an adjusting screw (202) arranged in a vertical direction, the upper end of the adjusting screw (202) is a supporting groove (203), and the cross beam (204) is placed in a plurality of supporting grooves (203) of the lifting adjusting structure.
5. 5. The device for controlling welding instability deformation of a railway vehicle aluminium alloy sheet member according to claim 1, characterized in that the hold-down assembly (3) comprises: A compression block (301), and The adjusting screws (202) are arranged at two sides of the compaction block (301); The lower surface of the compaction block (301) is used for compacting the upper surface of the aluminum alloy sheet.

Description

Device for controlling welding instability deformation of aluminum alloy sheet member of railway vehicle Technical Field The utility model relates to the technical field of aluminum alloy vehicle body manufacturing, in particular to a device for controlling welding instability deformation of an aluminum alloy sheet member of a railway vehicle. Background After the aluminum alloy sheet member of the railway vehicle is welded and cooled, the welding seam is influenced by local area compressive stress due to welding shrinkage, so that the welding seam area is tight, the peripheral area is loose, the phenomenon of staggering and waving occurs in the welding process of the sheet member, and the design appearance quality requirement cannot be met. Firstly, when aluminum alloy sheet members are assembled, the aluminum alloy sheet members cannot be tightly attached to a tooling support, the phenomena of displacement, deformation and the like, which cannot be generated due to rigid fixation of the sheet materials, must be ensured during sheet welding, the sheet members are fixed by spot welding, the sheet members are put on a press bar, in-plane bending deformation of an open butt joint is caused by uneven temperature distribution on the cross section in the welding process of a manipulator, and the sheet materials are mutually gathered due to transverse shrinkage of a welded welding line, so that the welding line which is not welded near the welded welding line cannot be continuously welded due to the occurrence of a staggered joint. Accordingly, based on the above technical problems, a person skilled in the art is required to develop a device for controlling welding instability deformation of an aluminum alloy sheet member of a railway vehicle. Disclosure of utility model The utility model aims to provide a device for controlling the welding instability deformation of an aluminum alloy sheet member of a railway vehicle, which ensures the support and staggered compaction below a welding line area through a support component and a compaction component which are arranged on the upper surface and the lower surface of the aluminum alloy sheet in a staggered way, and ensures that no displacement and dislocation phenomenon occur during welding. In order to achieve the above object, the present utility model provides the following technical solutions: The utility model relates to a device for controlling welding instability deformation of an aluminum alloy sheet member of a railway vehicle, which comprises: A tool main body; A plurality of supporting components arranged on the tool main body and extending along the length direction of the tool main body, and A compression assembly for use with the support assembly; The aluminum alloy sheet member is arranged on the tool main body and is supported at the lower part of the aluminum alloy sheet member through a plurality of supporting components; The compaction assembly is pressed on the upper surface of the aluminum alloy sheet member, and the compaction assembly and the support assembly are arranged in a staggered mode. Further, the frock main part includes: bottom rail, and The plurality of support beams are arranged between the two bottom longitudinal beams and are arranged at intervals along the length direction of the bottom longitudinal beams; The support cross beam is provided with vertical plate bases at intervals along the length direction of the support cross beam, and vertical plates are arranged on the vertical plate bases; the supporting component is arranged on the tool main body through the vertical plate. Further, the support assembly includes: Side plates on both sides of the support assembly, and The lifting adjusting structures are arranged between the two side plates, the upper ends of the lifting adjusting structures support the cross beams, and the cross beams are used for being attached to the lower surfaces of the aluminum alloy sheet members and supporting the aluminum alloy sheet members. Further, the lifting adjusting structure is an adjusting screw rod arranged in the vertical direction, the upper end of the adjusting screw rod is a supporting groove, and the cross beam is arranged in the supporting grooves of the lifting adjusting structure. Further, the compression assembly includes: A compacting block, and The adjusting screws are arranged at two sides of the compaction block; The lower surface of the compaction block is used for compacting the upper surface of the aluminum alloy sheet. In the technical scheme, the device for controlling the welding instability deformation of the aluminum alloy sheet member of the railway vehicle has the following beneficial effects: according to the device, the support assemblies and the compaction assemblies which are arranged on the upper surface and the lower surface of the aluminum alloy sheet in a staggered mode guarantee that the lower portion of a welding line area is supported and compacted in a stagg