Clamp for environment and reliability test of special instrument

The utility model relates to an application device for an environment and reliability test, in particular to a clamp for the environment and reliability test of a special instrument, and solves the problem that the existing clamp for the environment adaptability and reliability test of the special instrument is inconvenient. And the connection characteristic, the transmission characteristic and the transition characteristic between the to-be-tested special instrument and the external vibration table are difficult to meet. The clamp for the environment and reliability test of the special instrument comprises an upper cover plate, a bottom plate and a connecting piece, a to-be-tested special instrument is placed between the upper cover plate and the bottom plate; an annular groove with a V-shaped section is formed in the lower surface of the upper cover plate and located on the outer side of the through hole, and the annular groove is matched with an annular boss on the top of a to-be-tested special instrument