Drawing resistance device for bridge support

The invention provides a drawing resistance device for a bridge support. The drawing resistance device comprises a first fixing plate, a base plate, a sliding plate, a second fixing plate and a drawing resistance limiting piece; the first fixing plate is used for being connected with the bridge support; the base plate is arranged on the first fixing plate and constructed into a cuboid structure provided with a cavity; the sliding plate is arranged on the upper portion of the base plate and comprises a cuboid-shaped body part, a protruding edge part extending radially is arranged on the end face, making contact with the base plate, of the body part; the second fixing plate is arranged is arranged at the end, away from the base plate, of the sliding plate and used for being connected with the bridge support; the drawing resistance limiting piece is used for connecting the base plate with the sliding plate and constructed into a U-shaped piece provided with an inner cavity; and the drawing resistance limiting pi