Blasting bolt buffer unit

The present invention relates to field of aerospace technology, more particularly, to a kind of blasting bolt buffer unit.It includes installation pedestal, protection cap and axial buffering device；The mounting groove for installing blasting bolt and axial buffering device is provided in installation pedestal；The through-hole passed through for blasting bolt is provided in installation pedestal；Protection cap is fixed in installation pedestal, can be covered the notch of mounting groove, be collectively formed an enclosure space with installation pedestal；Axial buffering device is arranged in the enclosed space.The present invention realizes effective buffer function for instantaneous favourable opposition loading gage lotus, significant to mitigate blasting bolt in stage separation use process to the impact degree of Upper Stage bay section；Blasting bolt buffer unit provided by the invention, amount of parts is few, and structure is simple, and processing technology is good, has the advantages that at low cost；And it is simple installation, compact-sized, have many advantages, such as light weight, high reliablity, modularization good compatibility, is suitable for a variety of aircraft.