Riveting mechanism for steering gear assembly

The riveting mechanism comprises a supporting limiting mechanism, a riveting pressing mechanism, a gear press-fitting mechanism and a pressing limiting mechanism, a workbench is arranged on the front side wall of a riveting pressing support, and a containing groove is formed in the lower surface of a press-fitting hollow shaft of a servo press in the gear press-fitting mechanism. A detection press-fitting head is embedded in the containing groove, and a proximity switch is arranged on the side wall of the press-fitting hollow shaft. The riveting mechanism comprises a gas-liquid pressure cylinder B, the gas-liquid pressure cylinder B is fixedly connected with a riveting head through a pressure sensor, and a displacement sensor is arranged on one side of the riveting head; the pressing limiting mechanism comprises a limiting support, gas-liquid pressure cylinders C are fixedly connected to the left side wall and the right side wall of the limiting support, and transmission shafts of the gas-liquid pressure cyli