Clamping and positioning device for welding motorcycle frame support lug

The utility model discloses a clamping and positioning device for welding motorcycle frame support lug, the on -line screen storage device comprises a base, the top welding of base has the U type to press from both sides, first screw rod is installed in the left side that the U type pressed from both sides, first screw rod presss from both sides the screw thread with the U type and links to each other, reinforcing apparatus is all installed at both ends about the left side that the U type pressed from both sides. This clamping and positioning device for welding motorcycle frame support lug, itpresss from both sides the inner chamber right side to place the U type with the work piece, a rotate clockwise effort -saving rod can drive the rotation of first screw rod dextrad and fix it with the work piece laminating together, after the mounting rack is fixed, the 2nd effort -saving rod of rotate clockwise can drive the second screw rod and rotate to the orientation of support, can make thesecond screw rod push awa