Formwork supporting tool for masonry structure external-corner portion connection column

A formwork supporting tool for a masonry structure external-corner portion connection column comprises a first movable clamp, the end of the first movable clamp is hinged to the end of a second movable clamp, the end of the second movable clamp is hinged to the end of a third movable clamp, the end of the third movable clamp is hinged to the end of a fourth movable clamp, and hinge shafts of the first movable clamp, the second movable clamp, the third movable clamp and the fourth movable clamp are identical. An original formwork which cannot be reinforced easily is replaced by a first clamping plate and a second clamping plate which can be detached and fixed, the first clamping plate and the second clamping plate can be quickly fixed to a wall through the movable clamps, an operator can quickly manufacture the masonry structure external-corner portion connection column, the manufacturing process of a masonry structure external-corner portion is standard, engineering quality is greatly improved, the first movable clamp, the second movable clamp, the third movable clamp and the fourth movable clamp are hinged to one another, the opening and closing angle can be adjusted quickly, and accordingly the formwork supporting tool can be suitable for masonry structure external-corner portions at different angles.