Hydraulic valve fixing device

The utility model relates to the technical field of hydraulic valves, in particular to a hydraulic valve fixing device. The hydraulic valve comprises a hydraulic valve body, the arc surface of the hydraulic valve body is provided with an auxiliary device, the auxiliary device comprises a fixing ring, the fixing ring is fixedly connected with the arc surface of the hydraulic valve body, the surface of the fixing ring is fixedly connected with a bottom plate, the surface of the fixing ring is fixedly connected with two rotating blocks, and the bottom plate is fixedly connected with the two rotating blocks. Rotating rods are rotatably connected to the sides, close to each other, of the two rotating blocks, semicircular rings are fixedly connected to the arc surfaces of the rotating rods, connecting rods are fixedly connected to the surfaces of the fixing rings, connecting plates are fixedly connected to the ends, away from the fixing rings, of the connecting rods, and limiting rods are slidably inserted into the