Anti-misoperation LVDT (Linear Variable Differential Transformer) connecting structure

The invention discloses an anti-maloperation LVDT connecting structure which comprises an LVDT shell, the bottom end of the LVDT shell is installed on a valve body shell through a pressure measuring anti-loosening device, and a control valve movable connecting plate is arranged on the upper portion of the LVDT shell. One end of the control valve movable connecting plate is connected with the outer wall of the valve rod through a negative pressure self-locking device, the other end of the control valve movable connecting plate is provided with a movable rod which is vertically arranged, the bottom end of the movable rod penetrates through the control valve movable connecting plate and extends into the LVDT shell, and a contact detection device is arranged on the upper surface of the control valve movable connecting plate and located over the movable rod. Anti-loosening parts are arranged at the top and the bottom of the control valve movable connecting plate; the contact detection device comprises a top plate,