Precise drill positioning mechanism and using method thereof

Abstract

The invention belongs to the field of blast furnace drilling equipment in an iron-making process and particularly relates to a precise drill positioning mechanism and a using method thereof. The precise drill positioning mechanism is characterized by mainly consisting of a hanging frame, hinged bases, a rail beam and a sinker drill driving and reversing mechanism, wherein one hinged base is hinged to each of front and rear ends of the hanging frame, the lower ends of the hinged bases are fixedly connected to the rail base through bolts and vertical to each other; the sinker drill driving and reversing mechanism is arranged on the rail beam, a drill is arranged on the sinker drill driving and reversing mechanism; the drill bit of the drill is parallel to the rail beam. The precise drill positioning mechanism is simple and reliable in structure, rich and convenient in regulating means, and capable of realizing precise space positioning of the drill.

Description

technical field [0001] The invention belongs to the field of blast furnace drilling equipment in the ironmaking process, and in particular relates to a drilling tool precise positioning mechanism and a use method. Background technique [0002] In the ironmaking process, a suitable and stable blast furnace taphole angle is very important. The angle of the tap hole refers to the center line of the tap hole hole when the iron is tapped ( figure 1 The included angle between KP) and the horizontal plane, and the precise positioning of the drilling tool is a necessary condition to ensure a stable tap hole angle. If the drilling tool deviates from the center line of the iron hole (including translational deviation and angular deviation), especially the angular deviation, since the depth of the iron hole can reach four or five meters, then the positioning error will be enlarged, so that the drilled iron hole The channel will seriously deviate from the center of the blast furnace b...

AI Technical Summary

Problems solved by technology

If the drilling tool deviates from the center line of the iron hole (including translational deviation and angular deviation), especially the angular deviation, since the depth of the iron hole can reach four or five meters, then the positioning error will be enlarged, so that the drilled iron hole The channel will seriously deviate from the center of the blast furnace body, and the jetted high-temperature molten iron will directly erode the iron gutter, or even deviate from the iron gutter, causing major accidents; at the same time, as the age of the blast furnace increases, the furnace bottom lining brick The liquid level of the molten iron moves downward. In this case, it is necessary to properly increase the angle of the iron hole to remove the slag iron and maintain the iron hole; in addition, the drilling rig works in a high-temperature environment, and there may be a certain relative difference between the various mechanisms. Deformation, which requires a certain adjustment ability and margin for the positioning of the drilling tool, so that the drilling tool can be positioned accurately for a long time

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