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Connecting device for replacing AGC cylinder of rolling mill

A connecting device and rolling mill technology, which is applied to the rolling mill control device, the metal rolling stand, the metal rolling mill stand, etc., can solve the problems of occupying a lot of manpower and equipment, many operation steps, and long time, so as to reduce the maintenance engineering cost, Improve the replacement efficiency and make the effect of convenient production

Active Publication Date: 2017-11-28
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Therefore, there are many inconveniences and problems in the current method of replacing the AGC cylinder of the rolling mill, such as many operation steps, long time consumption, manpower occupation, and many equipment (traveling)

Method used

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  • Connecting device for replacing AGC cylinder of rolling mill
  • Connecting device for replacing AGC cylinder of rolling mill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] In the connection device for replacing the AGC cylinder of a rolling mill according to the present invention, in the original design of the rolling mill, hook openings are provided on both sides of the spreader 1, and the hook openings on both sides of the spreader are matched with the hooks on both sides of the carriage 4 to form a spreader. The movable connection with the sliding frame includes two connecting device bodies.

[0031] see now figure 1 , figure 1 It is a structural schematic diagram of the connection device of the embodiment of the present invention. As shown in the figure, the connecting device body is hollow square steel, 1500mm long, 150mm wide, and 150mm high; one end of the cuboid steel block is provided with a 100×100mm square hole, and a 150×150×20mm reinforcing plate is welded above the square hole. A 100×100mm square hole is opened at the same position on the reinforcing plate, and the two sides of the other end are solidly welded to the end p...

Embodiment 2

[0043] In this embodiment, except that the main body of the connection device is assembled and welded by steel plates, the others are the same as in Embodiment 1.

[0044] The present invention has substantive features and significant technical progress. The use value of the connecting device for the replacement of the AGC cylinder of the rolling mill of the present invention is that when the step pad is placed on the carriage in the third step, the step pad will be partially stretched. Out of the sliding frame, the hook on the blocking sliding frame is connected with the special spreader for the AGC cylinder, and the fourth step operation has to be carried out. By adopting the connecting device used for the replacement of the AGC cylinder of the rolling mill to connect the carriage with the special spreader, the fourth step is omitted, and the time for reversing the roll-changing cart is reduced once, and the rolling speed of the roll-changing cart is slow. The time for hoist...

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Abstract

The invention provides a connecting device for replacing the AGC cylinder of a rolling mill. The device includes two connecting device bodies, and is characterized in that each connecting device body is a hollow square steel or steel plate assembly part, and is 1500 mm long, 150 mm wide and 150 mm high; one end of the hollow square steel is provided with a 100x100 mm square hole, and a 150x150x20 mm reinforcing plate is welded above the square hole; the same position of the reinforcing plate is provided with a 100x100 mm square hole, and the two sides of the other end are fixedly welded with end plates; the top of each end plate is provided with a through hole, and a hook (5) is arranged between the two end plates; one end of the hook is also provided with a through hole; the bent end of the hood on one end of each of two cuboid steel blocks movably hooks into the hook mouth of the lifting appliance (1) of the rolling mill to connect movably, and the square hole (8) of the other end of each cuboid steel block is movably hooked in by the bent hook of a sliding rack (4); therefore, the connecting device arranged between the lifting appliance and the sliding rack is formed. The connecting device is simple in structure and convenient in production, and has the advantages of increasing the replacement efficiency of the AGC cylinder of the rolling mill, reducing the maintenance time by one hour and reducing the cost of the maintenance engineering.

Description

technical field [0001] The invention relates to a connection device, in particular to a connection device for replacing AGC cylinders of rolling mills. Background technique [0002] In the modern metallurgical industry, with the high-precision hydraulic AGC control system being used more and more widely in the steel rolling production line, the hydraulic thickness control system is the core system of the modern large-scale strip rolling mill, and the servo hydraulic cylinder of the rolling mill is the direct actuator in the AGC system. It requires large carrying capacity, high control precision and fast response. The process of manufacturing a set of AGC cylinders is complicated, with many links, high cost, and a long period (at least 3.5 months). However, if the maintenance is carried out for the wear and tear of the parts in the specific use process, the cost is lower and the cycle is shorter (up to 3 months). Therefore, the repair of AGC cylinders is gradually adopted b...

Claims

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Application Information

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IPC IPC(8): B21B31/08B21B37/16
CPCB21B31/08B21B37/16
Inventor 周旋吴国荣李志明蔡盛辉
Owner MCC5 GROUP CORP SHANGHAI
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