Device and method for detecting the lower step position of hot rolling mill
The technology of a hot continuous rolling mill and a detection device is applied in the direction of length measuring device, metal rolling, metal rolling, etc., which can solve the problems of low detection accuracy, achieve high detection efficiency, broad application prospects, and reduce manual intervention.
Active Publication Date: 2022-03-18
BAOSHAN IRON & STEEL CO LTD
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Problems solved by technology
The detection accuracy of the device for the position of the lower step backing plate is low, and it is not suitable for popular application in finishing mills
Method used
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Embodiment Construction
[0046]The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0047] Please see attached figure 2 and attached image 3 , a detection device for the lower step position of a hot continuous rolling mill, comprising a solenoid valve 1, a flow detection sensor 5, a hydraulic cylinder 6, a lower support roll base 7, a lower step backing plate 8, a lower support roll lifting cylinder 9 and a push-pull rod 10 The lower backing plate 8 is installed on the lower support roller base 7, and the lower backing plate 8 is composed of two identical multi-level stepped backing plates and moves as a whole; the lower support roller is installed on the lower support roller through the lower support roller lifting cylinder 9 On the base 7, preferably, 8 lower supporting roller lifting cylinders 9 can be arranged and symmetrically distributed on both sides of the lower step backing plate 8, for lifting the lower supporting ...
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The invention discloses a detection device and method for the position of the lower step of a hot continuous rolling mill. Ladder backing plate (8), lower support roller lifting cylinder (9) and push-pull rod (10); the flow detection sensor is installed in the hydraulic cylinder, the flow detection sensor is externally connected to the control system, the control system is connected to the solenoid valve, and the solenoid valve passes through the protection mechanism It is connected with the hydraulic cylinder; the push-pull rod is set on the base of the lower support roller, and the push-pull rod is connected with the lower step pad, the hydraulic cylinder is set in the base of the lower support roller and connected with the push-pull rod, and the lower step pad passes through the hydraulic cylinder through the push-pull rod as a whole move. The invention controls the hydraulic flow value during the operation of the lower step backing plate through the flow detection sensor, adopts the stroke position calibration, and combines the PLC control system to establish the calculation model of the oil cylinder position detection, and effectively improves the action stability of the lower step backing plate.
Description
technical field [0001] The invention relates to a device and method for adjusting the height of a rolling line of a hot continuous rolling mill, in particular to a device and a method for detecting the lower step position of a hot continuous rolling mill. Background technique [0002] In the prior art, the function of the lower step backing plate of the hot continuous rolling mill is mainly to adjust the height of the rolling line, so that the height of the rolling line is automatically adjusted according to the variation of the roll diameter. It mainly has the following two functions: 1. The height deviation of the rolling line of the finishing mill is controlled within the deviation range of the theoretical rolling line; 2. The inclination of the rolling line of the finishing mill can be freely adjusted by the operator according to the special process requirements . [0003] Please see attached figure 1 , the hot continuous rolling mill in the prior art mainly includes t...
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IPC IPC(8): B21B38/00
CPCB21B38/00
Inventor 荣鸿伟郁华军周兴泽夏宏斌
Owner BAOSHAN IRON & STEEL CO LTD