An online detection device for flatness of medium and thick plates
A detection device and flatness technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of production efficiency and product quality, waste of human resources, and high labor intensity, so as to improve production efficiency and reduce detection. Time and safety improvement effect
Inactive Publication Date: 2016-03-02
YANSHAN UNIV
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Problems solved by technology
When there are many steel plates, it is necessary to increase the number of operators to measure, and the labor intensity is high, which wastes human resources; when measuring, because the thickness of the feeler gauge is relatively thin and relatively sharp, the operator will be scratched by the feeler gauge if a little careless Body, with low security, has a great impact on the improvement of production efficiency and product quality
Especially in the process of pressure straightening, the operator relies on visual inspection to adjust the straightening pads, and the work efficiency is extremely low
Method used
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[0022] in figure 1 with figure 2 In the illustrated schematic diagram of the online detection device for flatness of medium and thick plates, two support frame uprights 3 are fixed on two positioning base plates 1, and the positioning base plates are fixed on the ground by bolts; both ends of the two support frame horizontal plates 4 are respectively fixed On both sides of the upper ends of the two support frame columns, the two support frame transverse plates are respectively provided with 7 weight-reducing square holes, and 6 support frame baffles 6 are provided on the inner side of the two support frame transverse plates. The vertical ribs 2 are respectively fixed on the right angles between the outside of the support frame and the positioning bottom plate, and the four triangular rib side plates 5 are respectively fixed on the right angles between the inside of the support frame and the horizontal plate of the support frame to increase the horizontal The support capacity of...
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Abstract
A device for online detection of medium plate flatness mainly comprises four parts, namely a support frame, a lifting device, a detection main beam and a displacement detection device, wherein the support frame comprises support frame columns, positioning baseplates, support frame transverse plates and support rib plates; the detection main beam is a rectangular box body; the displacement detection device comprises a plurality of detection units; magnetostrictive displacement sensors in the detection units are fixed on the top plate of the detection main beam; the magnetostrictive displacement sensors figure out the flatness of a steel plate in the direction of the detection main beam through different displacements; owing to multi-point detection, detection data conform to the shape of the steel plate better. The device provided by the invention is faster and more accurate in detection, achieves online detection of the flatness, and greatly shortens the detection time; operator detection is replaced by online detection so as to improve the safety greatly and increase the production efficiency.
Description
Technical field [0001] The invention relates to an auxiliary device for a medium-thick plate flattening machine, in particular to a detection device for the flatness of a medium-thick plate. Background technique [0002] As the wide and thick plates (especially high-strength wide and thick plates) are increasingly used in the industrial field, the requirements for the flatness of the wide and thick plates used in boilers, pressure vessels, bridges, and high-rise buildings have become more stringent. As we all know, in the process of heating, rolling, rapid cooling, shearing and heat treatment of medium and heavy plates, the longitudinal fibers of the plate and strip often have unequal lengths in the width or thickness direction (that is, there is a small difference in length). Due to the unequal fiber deformation, internal stress is generated inside the steel plate. If this internal stress exceeds the critical yield stress of the steel plate, it will easily cause the plate surfac...
Claims
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IPC IPC(8): B21C51/00
Inventor 孙登月韩兴许石民
Owner YANSHAN UNIV