Formation-while-drilling tester

The utility model discloses a formation-while-drilling tester, belongs to the technical field of testers, and aims to solve the problems that the tester is directly mounted in drilling equipment by using screws, so that the connection part is very easy to loosen and fall off due to long-time vibration, the tester and the drilling equipment cannot be effectively and stably mounted by the device, and the testing efficiency is high. The tester comprises a base, and four circular grooves are formed in the top end of the base; the device is provided with a buffer pad, a sliding block, a groove, a sliding groove and a damping rod, the bottom end of the tester is adhered to the top end of the base, the outer walls of four screws are respectively in threaded connection with the inner wall of a circular groove formed in the top end of the base, the inner wall of a connecting plate slides on the outer wall of the tester, and a limiting block, a limiting groove and the connecting plate are arranged. The outer wall of a