| 摘要 |
FIELD: measuring equipment.SUBSTANCE: invention belongs to measuring equipment, in particular to equipment of measurement of parameters of blow at stands and can be used at research of shock interaction of bodies. The device for measurement of duration of a blow, contains a case, a switching element, a generator and an indication block, is supplied with a converter of duration of impulses of the generator in a digital code, a scheme, which carries out a momentum transfer from the generator on the counter of impulses at short circuit of contacts of the conductor, a pulse counter, a pulse converter into a digital code and a computing block, the case is executed as a cylindrical plug, in which a spring-loaded rod in the axial direction with a striker with possibility of its shock interaction with the collided body located on the metal base, thus on the free end of a rod the conductor connected to one of inputs of the scheme, carrying out a momentum transfer from the generator on the counter of impulses, is fixed, on the metal base there is a conductor connected to other input of the scheme, carrying out a momentum transfer from the generator on the counter of impulses. The electric pulse signal produced from strike blow arrives in the electronic block, is transformed into a digital code, and duration of the blow is determined, as the product of the quantity of impulses and the total time of impulses, which is shown on the digital indicator of the block of indication.EFFECT: increased accuracy of determination of duration of blow and definition of development of accelerations, forces at any moment of development of a short-term shock process with precision.4 cl, 1 dwg |
