Auxiliary positioning device for center brick at bottom of converter

By using a positioning frame and a laser collimator-assisted positioning device, the problem of long positioning time and large error in the center brick of the converter bottom was solved, achieving fast and accurate center brick positioning and ensuring masonry accuracy and construction progress.

CN223607308UActive Publication Date: 2025-11-28YUNNAN KUNSTEEL GRP REFRACTORY MATERIAL CO LTD
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Patent Information

Application Number
CN202423131883.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In existing technologies, the positioning method of the center brick of the converter bottom is time-consuming and prone to errors, affecting the masonry accuracy and construction progress.

Method used

A combination of positioning frame, positioner, horizontal positioning rod and horizontal detector is used, and a laser collimator is used to assist in positioning to ensure accurate positioning of the center brick.

Benefits of technology

It enables rapid and accurate positioning of the center brick, improving masonry precision and construction progress.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223607308U_ABST
    Figure CN223607308U_ABST
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Abstract

The utility model discloses a converter bottom center brick auxiliary positioning device, which comprises a positioning frame and a positioner arranged on the positioning frame, the positioning frame comprises a positioning seat, three support legs, a horizontal positioning rod and a horizontal detector, the edge of the positioning seat is uniformly provided with three support legs in a radial shape, the support legs are movably hinged with the positioning seat, and the horizontal detector is arranged on the positioning seat. A positioning device is coaxially arranged in the center of the positioning seat, horizontal positioning rods are arranged on the supporting legs respectively, the ends of the horizontal positioning rods are detachably connected with the supporting legs corresponding to the horizontal positioning rods respectively, and the horizontal detectors are arranged on the positioning seat and / or the horizontal positioning rods. The device has a compact structure, is simple and convenient to use and operate, effectively reduces measurement time consumption and positioning errors, can accurately and quickly determine the position of the central brick, and ensures the precision control and the construction progress of follow-up converter masonry.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to converter furnace bottom center brick installation technical field especially relates to a converter furnace bottom center brick auxiliary positioning device. BACKGROUND

[0002] At present, the large converter furnace bottom is mostly hemispherical, and the furnace bottom brick is usually pre-laid to ensure the slight control during actual laying, because the modification of the furnace bottom brick shape is limited and the laying work is difficult. Whether the center brick can be accurately positioned directly affects the precision control and construction progress of the laying. The traditional center brick positioning method is to measure the distance between the bottom blowing hole and the upper and lower parts of the center brick to determine the positioning. This method not only takes a long time to measure, but also has certain errors during measurement and adjustment, which causes the center brick position to deviate from the actual center position, affecting the quality and progress of subsequent laying. Therefore, a center brick positioning device with accurate and rapid positioning is proposed to solve this problem. SUMMARY

[0003] The utility model relates to a converter furnace bottom center brick auxiliary positioning device.

[0004] The utility model discloses a positioning frame, and the positioning device is set on the positioning frame, the positioning frame includes the positioning seat, the supporting leg, the horizontal positioning rod, the horizontal detector, the positioning seat edge is radially equipped with three supporting legs, and the supporting leg is swingingly hinged with the positioning seat setting, and the positioning device is coaxially arranged at the center of the positioning seat, the horizontal positioning rod is arranged on each supporting leg respectively, and each end of the horizontal positioning rod is detachably connected with the corresponding supporting leg, and the horizontal detector is arranged on the positioning seat and / or the horizontal positioning rod.

[0005] The positioning seat includes a bearing ring plate and a limiting sleeve, and the two are integrally formed, the mounting ring is coaxially arranged on the outer edge of the bearing ring plate, the mounting ring and the bearing ring plate are fixedly connected by the supporting rod, each supporting leg is swingingly hinged with the mounting ring, at least two screw holes are arranged on the lower part of the limiting sleeve, and locking bolts are arranged in the screw holes.

[0006] The utility model discloses the beneficial effects: compact structure, simple operation, effectively reduce the measurement time and positioning error, can accurately, quickly determine the center brick position, guarantee the precision control and construction progress of subsequent converter laying. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is the structure schematic diagram of the utility model;

[0008] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0009] Figure 3Structure diagram of the positioning seat;

[0010] Figure 4 Structure diagram of the horizontal positioning rod;

[0011] In the figure, 1~positioner, 2~bearing ring plate, 3~limiting sleeve, 4~leg, 5~horizontal positioning rod, 6~horizontal detector, 7~locking bolt, 8~connecting piece, 9~insertion rod, 10~mounting ring. DETAILED DESCRIPTION

[0012] In order to make the person skilled in the art better understand the technical scheme of the utility model, the specific embodiments thereof will be described in detail below with reference to the drawings.

[0013] As Figures 1-4 The auxiliary positioning device for the converter bottom center brick is shown in the figure, which comprises a positioning frame and a positioner 1 arranged on the positioning frame, the positioning frame comprises a positioning seat, a leg 4, a horizontal positioning rod 5 and a horizontal detector 6, three legs 4 are arranged on the edge of the positioning seat in a radial manner, and the legs 4 are movably hinged with the positioning seat, the positioner 1 is coaxially arranged at the center of the positioning seat, the horizontal positioning rod 5 is arranged on each leg 4, and each end of the horizontal positioning rod 5 is detachably connected with the corresponding leg 4, and the horizontal detector 6 is arranged on the positioning seat and / or the horizontal positioning rod 5.

[0014] The positioning seat comprises a bearing ring plate 2 and a limiting sleeve 3, which are arranged in an integral molding structure, the mounting ring 10 is coaxially arranged on the outer edge of the bearing ring plate 2, the mounting ring 10 is fixedly connected with the bearing ring plate 2 by a support rod, each leg 4 is movably hinged with the mounting ring 10, at least two screw holes are arranged on the lower periphery of the limiting sleeve 3, and the locking bolt 7 is arranged in the screw hole.

[0015] A U-shaped groove matched with the mounting ring 10 is arranged on the top of each leg 4, the U-shaped groove is bolted with the top of the leg 4, so that the leg 4 rotates on the mounting ring 10 at a certain angle through the U-shaped groove.

[0016] The inner diameter of the bearing ring plate 2 is smaller than the inner diameter of the limiting sleeve 3, the positioner 1 is supported on the bearing ring plate 2, and the positioner 1 is prevented from falling downward.

[0017] The horizontal positioning rod 5 is a telescopic rod structure.

[0018] The leg 4 is a telescopic rod with locking function, and a scale is arranged on the outer wall of each leg 4, so that the height is adjusted.

[0019] Two ends of each horizontal positioning rod 5 are respectively provided with a connecting piece 8, which is a hoop or a U-shaped lock; when the connecting piece 8 is a hoop, it is fixedly connected with the two ends of the horizontal positioning rod 5 through bolts; when the connecting piece 8 is a U-shaped lock, the two ends of the horizontal positioning rod 5 are respectively provided with through holes matched with the U-shaped lock, so that the heights of the supporting legs 4 are accurately consistent, and the error problem caused by single-scale height adjustment is solved.

[0020] The lower end of each supporting leg 4 is movably hingedly provided with a plug-in rod 9, which is convenient for rotating adjustment of the angle with the supporting leg 4, and the plug-in rod 9 is arranged in a Chinese character-shaped structure, the convex part of the plug-in rod 9 is clamped on the top of the bottom blowing hole, so that the plug-in rod 9 is prevented from falling, and the installation and use are more convenient, and the supporting leg 4 is prevented from shaking.

[0021] The positioner 1 is a laser collimator.

[0022] The horizontal detector 6 is a level gauge, which is fixedly arranged outside the positioning seat and / or the horizontal positioning rod 5.

[0023] The working mode of the utility model is as follows: first, the plug-in rods 9 are inserted into the bottom blowing holes on the steel shell of the converter bottom to fix the plug-in rods 9 tightly, the supporting legs 4 are prevented from shaking, the horizontal positioning rods 5 are installed on the supporting legs 4 and fixed, the heights of the supporting legs 4 are adjusted to be consistent according to the horizontal detector 6, and the supporting height of the supporting legs 4 exceeds the center brick, after the height is determined, the supporting legs 4 are locked and fixed, after the position is determined, the positioner 1 is installed on the positioning seat and fixed by the locking bolt 7, so that the positioner 1 always keeps vertical to the converter bottom, the positioner 1 is opened to adjust the center brick, the cross center of the center brick is overlapped with the focal point and the laser ray point, so that the positioning purpose is achieved.

Claims

1. A converter bottom center brick auxiliary positioning device, comprising a positioning frame, and a positioner (1) arranged on the positioning frame, characterized in that: The positioning frame comprises a positioning base, a supporting leg (4), a horizontal positioning rod (5), and a horizontal detector (6), the edge of the positioning base is provided with three supporting legs (4) radially, the supporting leg (4) is movably hinged with the positioning base, the positioner (1) is coaxially arranged at the center of the positioning base, the horizontal positioning rod (5) is arranged on each supporting leg (4), and the ends of the horizontal positioning rod (5) are detachably connected with the corresponding supporting leg (4), and the horizontal detector (6) is arranged on the positioning base and / or the horizontal positioning rod (5).

2. The vessel bottom center brick auxiliary positioning device of claim 1, wherein: The positioning base comprises a bearing ring plate (2) and a limiting sleeve (3), which are integrally formed, the mounting ring (10) is coaxially arranged at the outer edge of the bearing ring plate (2), the mounting ring (10) is fixedly connected with the bearing ring plate (2) by a supporting rod, each supporting leg (4) is movably hinged with the mounting ring (10), and at least two screw holes are arranged on the lower periphery of the limiting sleeve (3), and the locking bolt (7) is arranged in the screw hole.

3. The vessel bottom block centering aid of claim 2, wherein: The inner diameter of the bearing ring plate (2) is smaller than the inner diameter of the limiting sleeve (3).

4. The vessel bottom block centering aid of claim 1 wherein: The horizontal positioning rod (5) is a telescopic rod structure.

5. The vessel bottom block centering aid of claim 1 wherein: The supporting leg (4) is a telescopic rod with locking function, the outer wall of each supporting leg (4) is provided with a scale, a U-shaped groove matched with the mounting ring (10) is arranged at the top of each supporting leg (4), and the U-shaped groove is bolted with the top of the supporting leg (4).

6. The vessel bottom block centering aid of claim 1 wherein: The two ends of each horizontal positioning rod (5) are provided with a connecting piece (8), and the connecting piece (8) is a hoop or a U-shaped lock.

7. The vessel bottom center brick assist positioning device of claim 1, wherein: The lower end of each supporting leg (4) is movably hinged with a plug-in rod (9), and the plug-in rod (9) is arranged in a Chinese character structure.

8. The vessel bottom block centering aid of claim 1 wherein: The positioner (1) is a laser collimator.

9. The vessel bottom block centering aid of claim 1 wherein: The horizontal detector (6) is a level gauge, which is fixedly arranged outside the positioning base and / or the horizontal positioning rod (5).