Valve body surface hardness detection device

A valve body surface hardness detection device relates to the technical field of detection devices and comprises a working table, a supporting table is slidably arranged on the working table in the horizontal direction, a mounting table is horizontally and rotatably arranged on the supporting table, and two moving seats moving oppositely and oppositely are slidably arranged on the mounting table. A lifting plate is further arranged on the bottom face, located between the two movable bases, of the mounting table in the vertical direction in a lifting mode, and a hardness detection body arranged in the vertical direction in a lifting mode is fixedly connected to the workbench through a support. According to the utility model, the problem that in the prior art, when the hardness tester main body moves along the vertical direction to detect the surface of the valve body, the lower part of the valve body is not supported, so that the valve body is easy to move along the vertical direction after being subjected to