Special tool for high-speed rail armrest welding

The utility model discloses a special tool for welding a handrail of a high-speed rail, which comprises a cross beam, inclined planes are arranged at two ends of the cross beam, bearing seats are welded at the inclined planes and the top end of the cross beam, a handrail rod A is arranged in a groove of each bearing seat, a front clamping sheet is arranged on one side of each handrail rod A, and arear clamping sheet is arranged on the other side of each handrail rod A; a guide sliding cavity is formed in the top end of the cross beam, and a front clamping plate is welded to the outer wall ofthe front clamping piece. According to the special tool for welding the high-speed rail armrest, the armrest rod A is placed in the bearing seat of the cross beam, and then the hand wheel is rotated to enable the forward screw hole and the backward screw hole which are connected in a meshed mode to reversely drive the front clamping piece and the rear clamping piece to move, so that the middle ofthe armrest rod A is locked