Device used for replacing wide and thick plate rolling mill hydraulic AGC cylinder and using method thereof

A wide and thick plate rolling mill technology, which is applied in the field of replacing the hydraulic AGC cylinder of wide and heavy plate rolling mills, can solve the problems of manpower and equipment, long time, and many steps, and achieve the effects of saving maintenance time, convenient manufacture, and simple device structure

Inactive Publication Date: 2016-12-14
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method currently used to replace the AGC cylinder of the rolling mill has many steps, takes a long time, and takes up a lot of manpower and equipment (traveling)
[0003] Therefore, there are above-mentioned inconveniences and problems in the known mode of changing the AGC cylinder of rolling mill

Method used

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  • Device used for replacing wide and thick plate rolling mill hydraulic AGC cylinder and using method thereof
  • Device used for replacing wide and thick plate rolling mill hydraulic AGC cylinder and using method thereof
  • Device used for replacing wide and thick plate rolling mill hydraulic AGC cylinder and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In the device for replacing the hydraulic AGC cylinder of the wide and heavy plate rolling mill of the present invention, the hydraulic AGC cylinder of the wide and heavy plate rolling mill is arranged in the pit at the lower part of the two rolling mill arches. The two rolling mill arches are L-shaped and arranged oppositely. In the middle position of the L-shaped rolling mill arch, the device for replacing the hydraulic AGC cylinder of the wide and heavy plate rolling mill includes a girder support unit and two electric hoists.

[0034] see now figure 1 and figure 2 , figure 1 It is a schematic diagram of the structure of the beam support unit according to the embodiment of the present invention, figure 2 for figure 1 side view. As shown in the figure, the beam support unit includes a beam, a support plate, a rib plate, and a base. The beam 1 is a long 2060mm long steel beam; the two sides of the beam are welded to the top of the support plate 2, and the beam is...

Embodiment 2

[0037] The device using method for replacing the hydraulic AGC cylinder of the wide and heavy plate rolling mill of the present invention comprises the following steps:

[0038] a. Put the device for replacing the hydraulic AGC cylinder of the wide and heavy plate rolling mill on the work roll changing guide rail with the 50t crane and movable hydraulic unit in the wide and heavy plate mill workshop, and use the work roll change device to replace the hydraulic AGC of the wide and heavy plate rolling mill. The device of the cylinder is pushed into the rolling mill stand to ensure that the base 6 of the device for replacing the hydraulic AGC cylinder of the wide and heavy plate rolling mill is correctly in contact with the L-shaped rolling mill arches on both sides, and the device for replacing the hydraulic AGC cylinder of the wide and heavy plate rolling mill is placed After stabilization, the operator will open the pit cover, and then use the conveyor roller changing device to...

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Abstract

The invention discloses a device used for replacing a wide and thick plate rolling mill hydraulic AGC cylinder. The device comprises a cross beam supporting unit and two electric hoists. The device is characterized in that the cross beam supporting unit comprises a cross beam, supporting plates, a rib plate and a base; the cross beam (1) is a long bar-shaped steel beam with the length being larger than or equal to 2060mm; the two sides of the cross beam are fixedly welded with the tops of the supporting plates (2), and the supporting plates are used for vertically supporting the cross beam; triangular reinforcing ribs (3) of 60mm are arranged at the connecting positions of the cross beam and the supporting plates for reinforcing; the two electric hoists (8) are installed on the cross beam through chain hooks (7) suspended at the two sides of the cross beam; and the electric hoists are connected with a carrying pole (10) through a steel wire rope (9). The device used for replacing the wide and thick plate rolling mill hydraulic AGC cylinder has the advantages that the structure is simple, manufacturing is convenient, safety and reliability are achieved in the replacing construction process of the wide and thick plate rolling mill hydraulic AGC cylinder, construction efficiency is improved, and construction cost is reduced.

Description

technical field [0001] The invention relates to a hydraulic AGC cylinder of a wide and heavy plate rolling mill, in particular to a device for replacing the hydraulic AGC cylinder of a wide and heavy plate rolling mill and a method of using the same. Background technique [0002] The hydraulic AGC cylinder of the wide and heavy plate mill plays an important role in ensuring the plate thickness tolerance. The AGC cylinder still adopts the traditional push-up type. Because the push-up cylinder block is located at the bottom beam of the rolling mill, the working environment is quite harsh. It has been washed by sewage and dirty oil generated in the production process for a long time. In the process of making the line stable, due to the large weight of the roll, the natural frequency of the AGC cylinder, that is, the response frequency, increases on the basis of its own frequency. The combination of these factors greatly reduces the service life of the cylinder, and the Deviati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B31/08
CPCB21B31/08
Inventor 黄建军刘洪斌唐拥兵
Owner MCC5 GROUP CORP SHANGHAI
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