Jack operation protection device
The jack operation protection device belongs to the technical field of rail passenger car manufacturing. The device includes a back support seat, a plug-in double-layer square steel pillar, a support rod, and a positioning bolt. The base and curved baffle, the back support seat and the base are vertically welded together. The outer layer of the plug-in double-layer square steel pillar and the support rod are welded on the back support seat. The positioning bolts are installed on the support rod. The curved baffle It is connected to the inner layer of the plug-in double-layer square steel pillar, and the two layers of the square steel pillar are plugged and fixed. The utility model uses ordinary fitter tools to install all units, can be disassembled and assembled, is suitable for site change installation, is quick and effective, prevents the jack from hurting the operator when an accident occurs, achieves the ideal effect of test protection, and is suitable for the production and manufacturing of urban railway vehicles.