Tooling fixture for steel tower angle steel opening angle

Abstract

The invention discloses a tool clamp used for angle opening of angle iron of an iron tower. The tool clamp used for angle opening of the angle iron of the iron tower comprises a positioning block which is an isosceles triangular prism, guiding grooves are formed in the side walls where the equal edges of the isosceles triangular prism are located, and the included angles between the axes of the guiding grooves and the orthographic projection line of the axis on the bottom surface are equal to the included angles between the side walls where the equal edges are located and the bottom surface. Guiding blocks are arranged in the guiding grooves, and clamping assemblies are arranged on the guiding blocks in a hinged mode correspondingly. The angle iron with an angle to be opened is placed on the positioning block, and the ends, away from an inner angle, of two limb edges of the angle iron are clamped through the clamping assemblies; and in the angle opening process, when the two limb edges of the angle iron move downwards, the guiding blocks slide relative to the guiding grooves, and friction is generated; however, the two limb edges of the angle steel are clamped through the clamping assemblies and are not affected by the friction force, so that the end, away from the inner angle, of the inner wall of the angle steel is not abraded and is not scratched either, polishing or filling in the later stage is not needed accordingly, the working efficiency is improved, and the number of rework times is decreased.

Description

technical field [0001] The invention relates to a tooling fixture for opening angles, in particular to a tooling fixture for opening angles of iron towers. Background technique [0002] An iron tower is an independent steel structure erected to bear a certain aerial load or communication function. Today's iron towers are generally made of angle steel and steel plate parts, which are connected and assembled by bolts, but only a small amount of welding parts (such as wire-hanging angle steel reinforcement plates, etc.) are used locally, and the basic seat plates are generally welded by electric welding. The components on the tower are generally hot-dip galvanized for anti-corrosion. [0003] Angle steel, commonly known as angle iron, is a long strip of steel with two sides perpendicular to each other. There are equilateral angle steel and unequal angle steel. The two sides of an equilateral angle are equal in width. Its specifications are expressed in millimeters of side w...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a tooling fixture for iron tower angle steel angle opening, to solve the problem that the end of the angle steel inner wall far away from the inner angle will be worn and scratched when the angle steel angle is opened

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