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B-type gantry steel channel rolling type low-temperature correcting device

A rolling type and channel steel technology, applied in the field of B-type gantry channel steel rolling type low temperature correction device, can solve the problems of high correction difficulty and low correction accuracy, and achieve the effect of reducing correction difficulty, reducing manpower and saving costs.

Pending Publication Date: 2019-03-22
SHANDONG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a B-type gantry channel steel rolling low-temperature straightening device to at least solve the problems of high difficulty and low straightening accuracy when straightening special-shaped steel materials

Method used

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  • B-type gantry steel channel rolling type low-temperature correcting device
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  • B-type gantry steel channel rolling type low-temperature correcting device

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Embodiment Construction

[0034] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0035] In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top", "bottom", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation, so they cannot be understood as Limitations on the Invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, for example, it can be fi...

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Abstract

The invention provides a B-type gantry steel channel rolling type low-temperature correcting device. The correcting device comprises an upper correcting portion for correcting a flange and a supporting flange of a B-type gantry steel channel, a lower correcting portion located below the upper correcting portion and used for correcting the flange and the supporting flange of the B-type gantry steelchannel and a side correcting portion connected to the lower correcting portion and used for correcting a web plate and the supporting flange of the B-type gantry steel channel. The upper correctingportion includes an upper frame, an upper correcting roller and a flange upper roller; the upper correcting roller and the flange upper roller are both disposed on the upper frame; the flange upper roller is located on the lower side of the upper correcting roller; and the side correction portion includes a base and a side correcting roller, the base is disposed on a lower frame, and the side correcting roller is disposed on the base. The B-type gantry steel channel rolling type low-temperature correcting device can correct the web plate, the flange and the supporting flange of the B-type steel channel while the B-type steel channel is driven by a lower correcting roller to slide smoothly forward.

Description

technical field [0001] The invention belongs to the field of plastic shaping of special-shaped steel materials, and in particular relates to a rolling low-temperature correction device for channel steel of a B-shaped gantry. Background technique [0002] The gantry channel steel is a special-shaped steel used for the lifting and lowering of the forklift in the production of forklifts. The main model of the gantry channel steel currently produced is B200. Because the section of the special-shaped steel is not evenly distributed, the steel is not uniformly stressed during rolling, and the length After slitting, the steel is affected by the cooling stress and causes cooling side bending. In order to ensure the processing accuracy of the steel, the steel needs to be corrected. [0003] At present, there is no special straightening device for special-shaped steel. In the past, only jacks were used for straightening. This kind of straightening method is not high in accuracy and is...

Claims

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Application Information

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IPC IPC(8): B21D3/02
CPCB21D3/02Y02P70/10
Inventor 李雪涛张辉李发宏顾晓庆张戈梁军孙波林雅琴李绪东李山峰
Owner SHANDONG IRON & STEEL CO LTD
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