The article is devoted to vibroinsulation of the valve seat for drill pump. It is offered to establish the elastic element between valve seat and pump casing. The carried out calculations have shown that application of an elastic element will lead repeated (in tens times) to decrease in the impact efforts transferred to the case of the pump. It is established that Young's modulus and height of elastic element are basically act on the module of the efforts transferred to the case of the pump and their frequencies during landing plate on the valve seat. Thus decreasing of frequency of the efforts passed on the body of the drill pump during plate’s landing does not lead to the resonant phenomena in the pump.
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