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Figured steel low temperature correcting device and using method thereof

A special-shaped steel and low-temperature technology, which is applied in the field of low-temperature straightening devices for special-shaped steel, can solve problems such as side bending is difficult to eliminate, secondary damage to steel, and low precision, so as to improve straightening accuracy and straightening efficiency, and ensure dimensional requirements and performance. Effect

Pending Publication Date: 2019-01-08
SHANDONG IRON & STEEL CO LTD
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  • Claims
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Problems solved by technology

[0003] Special-shaped steel is a newly emerging steel in steel structure buildings. The large-scale special-shaped steel currently produced is prone to side bending when cooling. After cutting to length, the side bending caused by the cooling stress of the steel is not easy to eliminate. To ensure the steel Machining accuracy requires correction of steel; currently there is no special correction device for shaped steel, and in the past only jacks were used for correction. steel correction

Method used

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  • Figured steel low temperature correcting device and using method thereof
  • Figured steel low temperature correcting device and using method thereof
  • Figured steel low temperature correcting device and using method thereof

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Embodiment Construction

[0044] 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 of the present invention and the features in the embodiments can be combined with each other.

[0045] 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 fixe...

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Abstract

The invention provides a figured steel low temperature correcting device and a using method thereof. The correcting device comprises a fixing mechanism for fixing and supporting figured steel, a correcting mechanism and driving mechanisms, wherein the correcting mechanism comprises a side wall correcting mechanism located on one side of the fixing mechanism, and an upper portion correcting mechanism located on the other side of the fixing mechanism; the side wall correcting mechanism and the upper portion correcting mechanism are used for correcting rolled steel of the side wall and the uppersurface of the figured steel correspondingly; the first driving mechanism is used for driving the upper portion correcting mechanism; and the second driving mechanism is used for driving the side wallcorrecting mechanism to move and apply force so that figured steel correcting stress can be adjusted. The using method of the correcting device comprises the steps of mounting of the device, preheating before figured steel correcting, and correcting of the figured steel. The figured steel can be comprehensively and accurately corrected through the device, the steel does not need to be heated at ahigh temperature and enters the correcting device for completion of correcting just by being preheated at a low temperature, and the correction precision and the correction efficiency are improved.

Description

technical field [0001] The invention belongs to the field of shaping of special-shaped steel, and in particular relates to a low-temperature straightening device for special-shaped steel and a method for using the same. Background technique [0002] Special-shaped steel is the abbreviation of complex and special-shaped section steel, which belongs to a kind of section steel, and is different from the name of simple section section steel. According to different processes, it can be divided into hot-rolled special-shaped steel, cold-drawn (cold-drawn) special-shaped steel, cold-formed special-shaped steel, welded special-shaped steel, etc. Usually special-shaped steel refers to hot-rolled special-shaped steel. Due to the particularity and singleness of use, special-shaped steel often requires higher precision than simple cross-section steel, which has higher requirements for equipment capabilities; special-shaped steel is widely used in various structural parts, tools and mec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D3/14
CPCB21D3/14
Inventor 潘子越彭永香李雪涛顾晓庆李发宏张戈孙波林雅琴李山峰
Owner SHANDONG IRON & STEEL CO LTD
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