Damping bearing in convertible antiseismic mode and damping bridge apparatus

A damping bearing in convertible antiseismic mode, comprising a bearing body, a damping component, a hydraulic component, and a connecting piece;

• wherein the bearing body comprises a first bearing, a second bearing, and a third bearing;
• the damping component comprises an arc damping member, the arc damping member is located between the first bearing and the second bearing;
• a first end of the arc damping member is connected to the second bearing and a second end of the arc damping member is connected to the first bearing through the connecting piece, and the arc damping member is capable of sliding relative to the first bearing;
• a first end of the hydraulic component is connected to a first end of the arc damping member adjacent to the connecting piece, and a second end of the hydraulic component is connected to the second bearing;
• a first connecting portion is disposed on one side of the second adjacent to the third bearing;
• and
• a second connecting portion in cooperation with the first connecting portion is disposed on one side of the third bearing adjacent to the second bearing.