Pressurizing maintenance kettle convenient to maintain for oil well cement experiment

The utility model discloses a pressurization maintenance kettle convenient to maintain for an oil well cement experiment, which comprises a machine case, one end of the machine case is connected with a machine base, the surface of the machine base is connected with an instrument panel in an embedded manner, and the transverse and longitudinal central axes of the instrument panel are connected with clamping blocks with rectangular structures; clamping grooves matched with the clamping blocks in external size are formed in the surface of the machine base; a movable groove of a rectangular structure is formed in the surface of the clamping block, the rotating shaft is connected into the movable groove of the clamping block, and a connecting rod is connected to one side of the rotating shaft. According to the pressurizing maintenance kettle convenient to maintain for the oil well cement experiment, a rotating shaft is rotated to drive a connecting rod and a protruding block to rotate, after the protruding block i