Speed-adjustable shutoff valve for hydraulic cylinder

The utility model discloses a speed-adjustable shutoff valve for a hydraulic cylinder, which belongs to the technical field of shutoff valves and comprises a spherical control component, the spherical control component comprises a spherical manual rotary disc, the spherical manual rotary disc is connected with a motor, the motor is connected with one end of a valve rod, the other end of the valve rod is connected with a fan-shaped spherical surface, and a spherical pressure measuring plate is arranged on the inner surface of the fan-shaped spherical surface; the plate shape control assembly comprises a plate-shaped flange plate, a supporting frame is tightly attached to the plate-shaped flange plate, a bent plate is arranged in the end, close to the plate-shaped flange plate, of the supporting frame, a rotating plate assembly is arranged in the supporting frame, and a cleaning assembly is further arranged on the outer surface of the supporting frame. The water flow speed can be automatically controlled, manua