CN-121988945-A - Assembly table for manufacturing bottom door frame assembly of railway vehicle

CN121988945ACN 121988945 ACN121988945 ACN 121988945ACN-121988945-A

Abstract

The invention discloses an assembling table for manufacturing a bottom door frame assembly of a railway vehicle. In this equipment platform, middle part supports subassembly, support dog, first anchor clamps, supporting shoe, two baffles, a plurality of second anchor clamps and cooperates each other, supports respectively, fixes a position and rigidity fastening to each constitution that the bottom door frame constitutes, guarantees the equipment precision that the bottom door frame constitutes, and simple structure.

Inventors

LI YU
LIU YANG
MA JIANGUO
DENG ZHICHAO
WANG XITONG
Bian Henghui
ZHAO YATING
ZHANG XINYUAN
BAO LEI

Assignees

包头北方创业有限责任公司

Dates

Publication Date: 20260508
Application Date: 20241105

Claims (10)

1. An assembly station for manufacturing a rail vehicle bottom door frame assembly, comprising: A platform providing a horizontal platform surface; A middle support assembly fixed on the platform surface and having a length direction and a width direction perpendicular to each other, a top surface of the end portion being lower than a top surface of the end portion inner side section to form a stepped structure, the middle portion having a plurality of first grooves extending in the width direction, the first grooves penetrating the middle support assembly in the width direction; The support stop block is L-shaped and is fixed on the platform surface and positioned outside the first long side of the minimum surrounding rectangle of the middle support component, the free end of the first side of the support stop block points to the middle support component, and the free end of the second side of the support stop block extends upwards; a first clamp fixed at a region of the support block of the platform surface opposite to one side of the middle support assembly for providing downward pressing force, wherein an action point is closer to the middle support assembly relative to a second edge of the support block; the support block is fixed on the platform surface and positioned outside the second long side of the minimum surrounding rectangle of the middle support component; The two baffles are fixed on the platform surface and are respectively positioned at the outer sides of the supporting stop blocks and the outer sides of the supporting blocks, and the connecting line direction between the two baffles and the corresponding supporting stop blocks and the connecting line direction between the two baffles and the corresponding supporting blocks are the length direction; The second clamps of the first part are positioned at the area of the supporting block, which is opposite to one side of the middle supporting component, and provide pressing force directed to the first clamp along the horizontal direction, the action point is higher than that of the supporting block, the second clamps of the second part are fixed on the outer sides of two short sides of the minimum surrounding rectangle of the middle supporting component of the flat table, provide pressing force directed to the opposite side along the horizontal direction, the action point is higher than the top surface of the end part of the middle supporting component, one second clamp is positioned on one side of the corresponding baffle of the supporting block, provide pressing force directed to the opposite side baffle along the horizontal direction, the action point is higher than the first side of the supporting block, one second clamp is positioned on one side of the corresponding baffle of the supporting block, provide pressing force directed to the opposite side baffle along the horizontal direction, and the action point is higher than that of the supporting block.
2. The assembly station of claim 1, wherein the middle support assembly includes two support bars extending in the length direction and disposed at intervals from each other and a connection bar connecting the two support bars, the step structure being formed at both ends of the support bars, and the first groove being formed on the support bars.
3. The assembly station of claim 2, wherein the first slot is V-shaped overall in cross section and the tip is rectangular slot-shaped.
4. The assembly table according to claim 2, wherein the bottom surface of the support bar is a first face, the top surface of the end portion of the support bar is a fourth face, the top surface of the end portion inside section of the support bar is a second face, the surface connecting the fourth face and the second face is a third face, a second groove is provided on the third face, the second groove extends in the width direction and penetrates the support bar, the second groove is a rectangular groove, and a side groove wall of the second groove is flush with the fourth face.
5. The assembly station of claim 2, wherein the connecting strip is a plurality of and extends in the width direction.
6. The assembly table according to claim 2, wherein the number of the second clamps of the second portion is 4, and the second clamps are arranged in one-to-one correspondence with the ends of the two supporting bars, and are respectively located at the sides of the other ends of the corresponding supporting bars, which are opposite to the other ends of the supporting bars.
7. The assembly station of claim 1, wherein the number of support stops is a plurality and spaced apart along the length.
8. The assembly station of claim 1, wherein the number of support blocks is a plurality and spaced apart along the length.
9. The assembly station of claim 1, wherein the point of application of the first clamp is controllably movable up and down and the point of application of the second clamp is controllably movable horizontally.
10. The assembly station of claim 1, wherein the central support assembly, the support block, the first clamp, the support block, the baffle, and the second clamp are secured to the platform surface by welding.

Description

Assembly table for manufacturing bottom door frame assembly of railway vehicle Technical Field The invention relates to an assembly table for manufacturing a rail vehicle bottom door frame assembly. Background Railway vehicle bottom door frame compositions are typically formed from welded aluminum alloy materials. The surfaces of all parts formed by the bottom door frames are irregular, and the fixing and clamping operation is difficult. The thermal expansion coefficient of the aluminum alloy is larger, and the cold and hot are alternated in the welding process, so that the deformation of each part is larger, the welding precision is difficult to ensure, and the difficulty for subsequent operation is increased. Disclosure of Invention The invention provides an assembling table for manufacturing a bottom door frame assembly of a railway vehicle. The technical scheme of the invention is as follows, the assembling table for manufacturing the bottom door frame of the railway vehicle comprises: A platform providing a horizontal platform surface; A middle support assembly fixed on the platform surface and having a length direction and a width direction perpendicular to each other, a top surface of the end portion being lower than a top surface of the end portion inner side section to form a stepped structure, the middle portion having a plurality of first grooves extending in the width direction, the first grooves penetrating the middle support assembly in the width direction; The support stop block is L-shaped and is fixed on the platform surface and positioned outside the first long side of the minimum surrounding rectangle of the middle support component, the free end of the first side of the support stop block points to the middle support component, and the free end of the second side of the support stop block extends upwards; A first clamp fixed at the region of the side of the support block of the platform surface opposite to the middle support component for providing downward pressing force, wherein the action point is higher than the support block and is closer to the middle support component relative to the second edge of the support block; the support block is fixed on the platform surface and positioned outside the second long side of the minimum surrounding rectangle of the middle support component; The two baffles are fixed on the platform surface and are respectively positioned at the outer sides of the supporting stop blocks and the outer sides of the supporting blocks, and the connecting line direction between the two baffles and the corresponding supporting stop blocks and the connecting line direction between the two baffles and the corresponding supporting blocks are the length direction; The second clamps of the first part are positioned at the area of the supporting block, which is opposite to one side of the middle supporting component, and provide pressing force directed to the first clamp along the horizontal direction, the action point is higher than that of the supporting block, the second clamps of the second part are fixed on the outer sides of two short sides of the minimum surrounding rectangle of the middle supporting component of the flat table, provide pressing force directed to the opposite side along the horizontal direction, the action point is higher than the top surface of the end part of the middle supporting component, one second clamp is positioned on one side of the corresponding baffle of the supporting block, provide pressing force directed to the opposite side baffle along the horizontal direction, the action point is higher than the first side of the supporting block, one second clamp is positioned on one side of the corresponding baffle of the supporting block, provide pressing force directed to the opposite side baffle along the horizontal direction, and the action point is higher than that of the supporting block. Optionally, the middle support assembly includes two support bars extending in the length direction and disposed at intervals from each other, and a connection bar connecting the two support bars, the step structure is formed at both ends of the support bars, and the first groove is formed on the support bars. Optionally, the cross section of the first groove is V-shaped overall, and the cross section of the tip is rectangular groove. Optionally, the bottom surface of the supporting bar is a first surface, the top surface of the end portion of the supporting bar is a fourth surface, the top surface of the inner section of the end portion of the supporting bar is a second surface, the surface connecting the fourth surface and the second surface is a third surface, a second groove is arranged on the third surface, the second groove extends along the width direction and penetrates through the supporting bar, the second groove is a rectangular groove, and one side groove wall of the second groove is level with the fourth surface. Optionally, the connecting st