Precise and rapid repairing device for main shaft hole of steel tube rolling mill

Abstract

The precise and rapid repairing device is characterized in that the bottom face of a base where a steel tube rolling mill spindle is located serves as the horizontal reference, and the two end faces of the spindle hole serve as the installation reference and the fixing position of the repairing device; comprising a first support and a second support, the first support is provided with a datum plate matched with the two end faces of a spindle hole, a base plate tightly attached to the datum plate and connected with the datum plate through bolts, a supporting bottom plate is arranged perpendicular to the base plate, a feeding mechanism is arranged on the supporting bottom plate, and the feeding mechanism controls the horizontal moving direction of a reamer power mechanism; and the reamer power mechanism drives the hinge rod. The original datum point, the original line and the original plane of the restoration serve as the installation datum of boring equipment, multiple three-dimensional positioning is achieved, portability and flexibility are achieved, shaft hole repairing can be carried out even without disassembling the whole base, damage to the restoration is avoided, stability and reliability are achieved, disassembling, assembling and moving are convenient, the application range is wide, one-time alignment is achieved, the machining precision is high, and the comprehensive cost is low.

Description

technical field [0001] The invention relates to a technology for repairing large-scale bearing seat holes, in particular to a precise and quick repair device for the main shaft hole of a steel pipe rolling mill. Background technique [0002] For parts such as large bearing housings such as the main shaft hole of a steel pipe mill, after long-term use, due to the wear of the shaft or bearing parts, the inner hole is eccentric and the size is too small, resulting in problems such as loose bearings. If it is directly scrapped, the cost is too high. If It cannot be used if it is not repaired in time. However, it is not easy to repair a large piece of several tons or more than tens of tons. The existing large-scale boring equipment is the fixed equipment of the equipment manufacturing plant or repair plant. For enterprises that produce steel pipes or use such large bearing seats It is said that there is basically no condition for configuring this kind of boring machine, and if t...

AI Technical Summary

Problems solved by technology

Although these equipments have their own worktables as reference points, the entire boring machine cannot be moved. It needs a corresponding or larger type of boring machine to work, and it cannot be completed in a steel pipe rolling mill workshop or a repair unit that does not have a corresponding type of boring machine. repair task

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