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An online maintenance method for the feed adjustment device of a seamless steel pipe cold rolling mill

A technology for adjusting devices and seamless steel pipes, which is applied in the direction of metal rolling, metal rolling, and keeping roll equipment in an effective state. It can solve the problems of large maintenance resource consumption, reduce operating hours, compact station layout, The effect of convenient operation

Active Publication Date: 2019-08-20
宝武特种冶金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The present invention aims at the defect that the above-mentioned existing off-line maintenance method of the feed adjustment device has a large consumption of maintenance resources, and provides an online maintenance method for the feed adjustment device of a seamless steel pipe cold rolling mill, which can meet the fast-paced Cold rolling production needs; On the basis of ensuring maintenance quality and safe operation, realize rapid and efficient maintenance operations on site, meet the needs of orderly production of enterprises, and reduce the consumption of maintenance resources

Method used

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  • An online maintenance method for the feed adjustment device of a seamless steel pipe cold rolling mill
  • An online maintenance method for the feed adjustment device of a seamless steel pipe cold rolling mill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment ( 1

[0037] Taking the LG-220H cold rolling mill as an example, the online maintenance process of the feed adjustment device is:

[0038] S1. Operation preparation: including notification of on-site operation content (operation order form for maintenance project), disclosure of safety technology and implementation of risk prevention measures (on-site tripartite confirmation form, maintenance ticket, power failure sign, maintenance sign, etc.), tools (including slings) , routine maintenance tools, etc.) preparations, qualification certificates for special operations personnel (electricians, finger lifters, etc.), related parts (22313 rolling bearings, pins, pressure rollers, spacer rings) and cleaning and correction of burrs , pre-assembled, etc.

[0039] S2. On-site overhaul: shutdown, positioning, power off, listing → preparation for entering the site (cleaning up the work site) → setting warning lines → removing the fast feed motor and its power cord → removing the side (lateral)...

Embodiment ( 2

[0042] Taking the LG-150H cold rolling mill as an example, the online maintenance process of the feed adjustment device is as follows:

[0043] S1. Operation preparation: including notification of on-site operation content (operation order form for maintenance project), disclosure of safety technology and implementation of risk prevention measures (on-site tripartite confirmation form, maintenance ticket, power failure sign, maintenance sign, etc.), tools (including slings) , routine maintenance tools, etc.) preparations, qualification certificates for special operations personnel (electricians, finger lifters, etc.), related parts (22312 rolling bearings, pins, pressure rollers, spacer rings) and cleaning and correction of burrs , pre-assembled, etc.

[0044] S2. On-site overhaul: shutdown, positioning, power off, listing → preparation for entering the site (cleaning up the work site) → setting warning lines → removing the fast feed motor and its power cord → removing the sid...

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Abstract

The invention discloses an online overhauling method for a seamless steel tube cold rolling mill feeding adjusting device. The online overhauling method comprises three processes including operation preparing, online disassembling and repairing and adjusting, and then online overhauling operation of the feeding adjusting device is achieved; and on the basis that the overhauling quality and the operation safety are guaranteed, the purposes of improving the operation efficiency, decreasing the configuration work type and shortening the fault disposal time are achieved. According to the method, the technology is reasonable, station layout is compact, operation is convenient, safety and reliability are achieved, practicability and high efficiency are achieved, overhauling resource consumptionis effectively reduced, the equipment halting disposal time is effectively shortened, the consumed operation work time is shortened by two thirds, the orderly production requirement of a seamless steel tube cold rolling production line is met, the certain fault eliminating, cost reducing and safety promoting effects are achieved, and the certain reference application value on overhauling operationof similar equipment is achieved.

Description

technical field [0001] The invention relates to the field of detection technology for cold rolling production equipment of seamless steel pipes, in particular to an online maintenance method for a feed adjustment device of a seamless steel pipe cold rolling mill. Background technique [0002] Seamless steel pipe is a common metallurgical metal product, and cold rolling is the main method of cold deformation processing of seamless steel pipe. The two-roller periodic seamless steel pipe cold rolling mill is the most widely used seamless steel pipe production equipment. The closed circle (countless continuous diameters from large to small) formed by the deformation tool (pass) installed on the roll device Closed circle), metal deformation processing is carried out on the tube blank. Due to the structural characteristics of seamless steel pipes (continuous rings with concentric and different diameters), the movement of the tube blank is composed of horizontal displacement and r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B28/00B21B39/02
Inventor 陈涛
Owner 宝武特种冶金有限公司
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