| 摘要 |
Installation for investigation of effect of impact load at beam bend includes basis with controlled screws-stems, beam with rectangular cross section that rests on fixed on basis hinged-fixed and hinged-movable supports, beam that is fixed on basis at middle between the supports and normally to the basis, load that is held in initial position with electric magnet fixed on holder, by manual displacement of which by beam one sets given height of fall for the load, catcher with inner conical surface that is fixed on the beam. At that the beam has at its whole length threading by which nut-pinion moves, this is in engagement with pinion of shaft of electric motor. To prevent reactive turn of holder the beam has at whole length slot groove by which slot boss of the holder slides. |
