High-reliability high-precision sensor coaxial installation device

The utility model discloses a high-reliability high-precision sensor coaxial installation device which comprises a coaxial gland, a snap ring sleeve column, a partition plate and a coaxial base, a first boss is arranged in the center of the bottom of the coaxial gland, a second boss is arranged in the center of the bottom of the first boss, and a first positioning hole is formed in the center of the second boss; a third boss is arranged in the center of the bottom of the snap ring sleeve column; a first notch is formed in the partition plate; the top center of the coaxial base is provided with a second positioning hole, and the top edge of the coaxial base is provided with a positioning sleeve. According to the utility model, the high-precision coaxiality of the first positioning hole and the second positioning hole and the verticality of the end face are ensured, so that the pressure sensor snap ring can be ensured to be vertically pressed down, and the downward pressing distance of the coaxial gland is dete