CN-121988871-A - Protective house for laser welding of car body

CN121988871ACN 121988871 ACN121988871 ACN 121988871ACN-121988871-A

Abstract

The invention discloses a car body laser welding protection house, and belongs to the technical field of rail transit car body laser welding protection tools. The technical problem to be solved is that the laser cannot be shielded in all directions, and the laser is easy to leak. The technical scheme is characterized by comprising a guard house frame and a guard plate frame, wherein the guard house frame is movably arranged on a rail, a section of car body to be welded can be accommodated in the guard house frame, the guard house frame comprises two layers of platforms, one layer of platform is an operation platform and provides an operation space, the other layer of platform is a lifting platform, personnel can reach the operation platform through the lifting platform, the guard plate frame is arranged on the outer side of the guard house frame, a window shade is detachably arranged on the guard plate frame, and the window shade is located in a region where the guard house frame is close to the car body to be welded.

Inventors

TIAN YALIN
WU ZAN
HAN MEILING
LIU LIXI
HE XIAOYU
ZHANG XIAOJIE
ZHOU HAIPENG
ZHANG JIAN
XU MENGCHAO
QI ZHENGUO
CHENG SHUO

Assignees

河北京车轨道交通车辆装备有限公司
北京市基础设施投资有限公司

Dates

Publication Date: 20260508
Application Date: 20260331

Claims (10)

1. The car body laser welding protective house is characterized by comprising a protective house frame and a protective plate frame; The guard house frame is movably arranged on the rail, and a section of car body to be welded can be accommodated in the guard house frame; The protective house frame comprises two layers of platforms, wherein one layer of platform is an operation platform and provides an operation space, and the other layer of platform is a lifting platform through which personnel can reach the operation platform; the protection plate frame is arranged outside the protection house frame; a window shade is detachably arranged on the protection plate frame and is positioned in an area where the protection house frame is close to the vehicle body to be welded.
2. The vehicle body laser welding guard house of claim 1, wherein the guard house frame is formed by welding a plurality of square tubes in combination.
3. The vehicle body laser welding guard house of claim 1, wherein a laser guard screen is provided at a central position of the guard house frame.
4. The vehicle body laser welding guard house of claim 1, wherein the window shade is attached to the guard house frame by bolts.
5. The vehicle body laser welding protective housing of claim 1, wherein the window shade is selected according to different vehicle types, and wherein the profile opening of the window shade matches the outer profile of the vehicle body.
6. The vehicle body laser welding protective room of claim 1, wherein the lifting platform is provided with a welder placement area and a personnel riding area.
7. The vehicle body laser welding guard house of claim 1, wherein a lighting device is provided on the guard house frame.
8. The car body laser welding guard house according to claim 1, wherein an entrance is opened at a side of the guard house frame in a car body length direction, and a sliding door is installed at the entrance.
9. The car body laser welding guard house according to claim 1, wherein a welding gas cylinder fixing device is further provided on a side surface of the guard house frame in a car body length direction.
10. The vehicle body laser welding guard house of any one of claims 1-9 wherein the guard plate frame includes a plurality of guard plates, the window shade being mounted on the end guard plates.

Description

Protective house for laser welding of car body Technical Field The invention relates to the technical field of laser welding protection tools for rail transit vehicle bodies, in particular to a laser welding protection house for a vehicle body. Background The vehicle body is the main body of the vehicle structure, the strength and the rigidity of the vehicle body are directly related to the running reliability and the running safety of the vehicle, the vehicle body is used as a main bearing structural component of the vehicle, the stress is large and complex, all components are fixed or hung on the vehicle body, and the vehicle body also bears the weight of passengers and all equipment on the vehicle. Vehicle body manufacturing is one of the key factors for ensuring safe, reliable, rapid, light-weight, economical and applicable operation of subway vehicles. With the rapid development of laser technology in recent years, laser welding applications are becoming more and more widespread. In the production process of rail transit vehicles, laser welding has full application because of the advantages of portability, small welding deformation and the like. Around the laser welding station of the car body, the risk of laser dissipation caused by careless operation exists, the laser belongs to invisible light, the damage to the human body exists, and the occupational health hazard can be generated due to poor protection. The framework of the cab of the car body is welded on the car body, the welding positions are PA and PF, and an operator is required to adjust the posture at any time, so that the welding requirement is met. The car body tooling is more than 2m away from the ground, belongs to high-altitude operation, and needs to protect corresponding positions. When the car body is welded, equipment such as a welding machine needs to be carried, the welding machine is heavy and large in size, and lifting and carrying are needed. When the prior technical scheme is used for solving the problems, a temporary shading screen is arranged, a lifting vehicle is adopted to strengthen a fixed two-layer platform to provide a welding position support, and a welder uses a boarding operation to climb a roof when welding an upper welding line, so that safety production is not facilitated. In the prior art, although the welding of the cab hood and the welding seam of the vehicle body can be realized by hand-held laser welding, the laser cannot be completely shielded, and the defects of poor operation position of operators and the like still exist: 1. If the operation is careless during the laser welding operation, the scattered laser is unfavorable to the surrounding environment. The laser can be easily leaked out only by hanging a protective barrier on site and cannot be shielded in all directions, and temporary movement is required when the vehicle is blocked from being out of the tire. 2. The frock is fixed two-layer platform, and the platform can't change along with welding position variation. 3. Because the welding seam of the vehicle body is PF+PA, the welding seam at the upper part of the cab head cover needs to be jacked, and the welding seam belongs to high-altitude operation, and the operation intensity is increased. 4. During operation, the welding machine needs to be manually carried up and down, which is not beneficial to the convenience of operation. Disclosure of Invention The invention aims to provide that: A car body laser welding protection house and related technology thereof are provided, which solves the technical problems that the laser cannot be shielded in all directions, the laser leakage is easy to be caused, and the like, or the combination thereof. The invention can meet the laser protection requirements of the welding seam between the cab hood and the vehicle body and between the cab hood and the welding seam of the vehicle and between the cab hood and the vehicle body, and can achieve the effect of protecting laser, optimize the welding space and the welding position, facilitate the operation of welders, reduce the labor intensity of carrying welding machines and meet the production requirement. Description of the terminology: unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the claimed subject matter belongs. All patents, patent inventions, and publications cited herein are incorporated by reference in their entirety unless otherwise indicated. If there are multiple definitions of terms herein, the definitions of this chapter shall control. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the subject matter of the invention, as claimed. In the present invention, the singular is used to include the plural unless specifically stated otherwise. It should also be noted that