Automobile safety belt testing device

The utility model belongs to the technical field of automobile safety belt testing, and particularly relates to an automobile safety belt testing device which comprises a testboard, a display is fixedly arranged at the bottom of one side of the testboard, a vertical plate is welded in the middle of the bottom end of the testboard, and a screw rod is rotatably connected in one side of the vertical plate. The end of the safety belt is inserted between the first clamping column and the second clamping column, then the long adjusting bolt is manually rotated to drive the limiting block and the second clamping column to stably move towards the direction of the first clamping column, and the two sets of clamping plates can be slowly close to each other; the end of the safety belt can be stably clamped through meshing tooth structures, capable of being meshed with each other, between the two clamping plates, then the worm can control the two clamping assemblies to rotate reversely through the worm gear, the two ends