Underground wireless pre-buried agricultural machinery ground pressure test sensor

The invention discloses an underground wireless pre-embedded agricultural machinery ground pressure test sensor, which comprises a base, a sensor assembly, an upper cover and a sealing rubber ring, an inner ring groove is arranged in the base, the sensor assembly is clamped and embedded in the inner ring groove, an outer ring groove is arranged at the upper end of the base, a convex ring is arranged at the lower end of the upper cover, and the outer ring groove is clamped and embedded in the outer ring groove. The upper cover is inserted into the outer ring groove through the convex ring, an upper flange is arranged at the upper end of the sealing rubber ring, a lower flange is arranged at the upper end of the sealing rubber ring, the sealing rubber ring is arranged on the outer sides of the base and the upper cover in a sleeving mode, the upper flange is buckled on the upper cover, the lower flange is buckled on the base, and a wireless transmitting device is arranged on the sensor assembly. Only one soil gr