目前,货车段钩缓检修中,由于三号缓冲器弹簧盒和斜楔磨耗严重,造成焊修工作量大。长期以来,我段由于电焊室电焊排烟问题没有很好解决,致使配件加修间空气污染严重,直接影响工人的身体健康。1980年年底,我们听取了电焊工的意见,根据生产操作特点设计制造了下吸式电焊排烟装置如图。经过一年多的使用,排烟效果良好, At present, the truck section hook slow inspection, due to the third buffer spring box and wedge wear serious, resulting in a large amount of welding repair workload. For a long time, my section due to welding welding smoke exhaust problem is not well resolved, resulting in parts plus repair shop air pollution, a direct impact on the health of workers. The end of 1980, we heard the views of the welder, according to the characteristics of the production operation designed and manufactured under the suction welding smoke exhaust device shown in Figure. After more than a year of use, the exhaust effect is good,