Instrument installation device for pressure test

The utility model provides an instrument installation device for a pressure test, which comprises a connecting pipe installed in a pressure measuring hole of a pressure measuring pipeline, a connecting end of an automatic instrument is installed in the connecting pipe through a clamping mechanism, the clamping mechanism comprises a top plate connected with the connecting end of the automatic instrument, and sealing gaskets are arranged at the top of the top plate and the top of the connecting pipe. The lower end of the connecting rod is connected with the limiting plate, the upper end of the connecting rod penetrates through a through hole in the top plate and then is connected with the rotating disc, the connecting rod is sleeved with a sealing ring, a spring is arranged between the sealing ring and the top plate, and the pressure measuring pipeline is provided with a limiting hole for the limiting plate to penetrate through. According to the device, the convenience of mounting and dismounting between the au