Track steel low temperature straightening device

Abstract

The invention provides a low-temperature correcting device for track steel. The correcting device comprises a base plate, two side pressing plates, an upper pressing plate and two drive devices, wherein the base plate is a flat plate which is horizontally arranged; the two side pressing plates are vertically arranged on the upper surfaces of the two ends of the base plate; the height of the position where the upper pressing plate is located is larger than or equal to the heights of the side pressing plates; the two drive devices are arranged on the upper surfaces of the two ends of the base plate, piston rods of the drive devices extend towards the upper pressing plate, the end portions of the piston rods are connected to the upper pressing plate, and the piston rods can drive the upper pressing plate to move up and down; and the outer side face of the track steel is surrounded by the upper surface of the base plate, one side face of each side pressing plate and the lower surface of the upper pressing plate. The correcting device can comprehensively and precisely correct special-shaped sectional bars.

Description

technical field [0001] The invention relates to the field of steel deep processing, in particular to the field of plastic shaping of special-shaped steel, and is a low-temperature straightening device for track steel, which belongs to a brand-new special tool and can improve the shaping accuracy and work efficiency of special-shaped steel. Background technique [0002] Due to the large tonnage of large and medium-sized mechanical equipment, the crawler structure is used to replace the wheel structure in the operation mode. With the advancement of science and technology, more and more jobs are replaced by machinery, and the application range of track steel is becoming wider and wider. Track steel as For special-shaped steel, the rolling force received during the rolling process is uneven, and the stress generated during the cooling process is uneven. After passing through the hot straightening machine, due to the uneven and incomplete stress relief, the track steel is in the r...

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Problems solved by technology

[0002] Due to the large tonnage of large and medium-sized mechanical equipment, the crawler structure is used to replace the wheel structure in the operation mode. With the advancement of science and technology, more and more jobs are replaced by machinery, and the application range of track steel is becoming wider and wider. Track steel as For special-shaped steel, the rolling force received during the rolling process is uneven, and the stress generated during the cooling process is uneven. After passing through the hot straightening machine, due to the uneven and incomplete stress relief, the track steel is in the rolling direction. It is easy to produce cooling deformation on the upper surface, which affects the use of the next process; there is no special low-temperature correction device for track steel at present, and only a jack is used for correction in the past. This correction method is not accurate and may cause secondary damage to the steel. Therefore, it is necessary to design a Special device for steel straightening

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