Novel positioning and calibrating tool for outer seat brick of tapping hole of converter

By designing a positioning and calibration tool that includes a fixed steel ring, pulleys, and an infrared rangefinder, the problem of manual inspection and movement during the installation of the outer bearing bricks at the converter taphole was solved, achieving precise positioning and safe and efficient construction of the outer bearing bricks at the taphole.

CN223561601UActive Publication Date: 2025-11-18ANGANG VESUVIUS REFRACTORY CO LTD
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Patent Information

Application Number
CN202423054668.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-18
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

In the existing technology, the installation of the outer bearing bricks at the converter taphole requires repeated manual inspection and movement, resulting in high construction risk and severe wear and tear on the bearing bricks.

Method used

A positioning and calibration tool was designed, comprising a fixed steel ring, a fixed arm, a hinged column, a support arm, a support steel frame, a positioning component, pulleys, a transmission chain, and a rotating cylinder. The tool achieves concentric positioning of the outer seat brick of the steel outlet and the inner wall of the steel outlet through the pulleys and the transmission chain, and ensures accurate positioning by combining an infrared rangefinder and a level.

Benefits of technology

This technology enables precise positioning of the outer bearing brick at the steel outlet, reducing construction risks and bearing brick wear, and improving construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of converter masonry, and discloses a novel converter tapping hole outer seat brick positioning and calibrating tool which comprises a fixed steel ring, a fixed arm is fixedly connected to the outer side of the fixed steel ring, a hinge column is rotatably connected to the interior of one end of the outer side of the fixed arm, and a supporting arm is fixedly connected to the periphery of the hinge column. A supporting steel frame is hinged to one end of the outer side of the supporting arm, a positioning assembly is arranged on the inner side of the supporting steel frame and used for determining the position of the tapping hole outer seat brick, and a pulley is fixedly connected to the periphery of the hinge column. By arranging the pulley, the transmission chain and other structures and rotating the rotating cylinder, the tapping hole outer seat brick and the inner wall of the tapping hole are always located at the concentric circle position, longitudinal and transverse positioning masonry can be kept accurate, a foundation is laid for follow-up safe and efficient use of the tapping hole, meanwhile, repeated movement of the tapping hole outer seat brick is avoided, and the service life of the tapping hole outer seat brick is prolonged. The labor cost is saved, and the danger coefficient of construction is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of converter masonry, especially relates to a novel converter taphole outer seat brick positioning calibration tool. BACKGROUND

[0002] Converter taphole is the only channel for molten steel to enter the ladle from the converter, and it is one of the key refractory elements of the converter. The taphole enables the separation of steel and slag during tapping, reduces the pollution of molten steel caused by the inflow of slag into the ladle, and also reduces the burning loss of alloying elements. At the same time, the taphole steel flow strongly stirs the molten steel in the ladle, promoting the floating of slag inclusions and deoxidation products, which not only affects the production efficiency of molten steel smelting, but also affects the quality of molten steel. The related technology of converter tapping plays a very important role in converter steelmaking.

[0003] The taphole outer seat brick is a brick body that fits around the sleeve brick (or pipe brick) of the taphole, which protects the sleeve brick and provides support when replacing the sleeve brick, making operation more convenient. In order to facilitate the installation of the taphole outer seat brick, a taphole outer seat brick positioning calibration tool for the converter is needed.

[0004] Currently, in the masonry work of the converter taphole outer seat brick, after placing the taphole outer seat brick in the taphole, manual repeated movement of the seat brick and measurement of the distance between the seat brick and the inner wall of the taphole are required to achieve the concentric position of the taphole outer seat brick and the taphole. Repeated detection and movement of the seat brick are troublesome, and with the constant lifting and lowering of the outer seat brick during adjustment, it not only increases the risk factor in construction, but also exacerbates the wear and tear of the seat brick. Therefore, a new type of taphole outer seat brick positioning calibration tool for the converter is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a new type of taphole outer seat brick positioning calibration tool for the converter, which aims to improve the problems of manual repeated detection and movement of the seat brick in the prior art, which is troublesome and has certain risks.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a new type of taphole outer seat brick positioning calibration tool for the converter, comprising a fixed steel ring, the fixed steel ring is fixedly connected with a fixed arm outside, a hinge column is rotatably connected inside one end of the fixed arm outside, a support arm is fixedly connected with the hinge column outside, a support steel frame is hinged to one end of the support arm outside, a positioning assembly is arranged inside the support steel frame, the positioning assembly is used for determining the position of the taphole outer seat brick, a pulley is fixedly connected with the hinge column outside, the pulley is connected with a rotating cylinder through a transmission chain outside, and a chain channel is formed in the rotating cylinder outside.

[0007] Further description of the above technical scheme:

[0008] The positioning assembly comprises a connecting plate which is detachably connected to the inner side of the support steel frame through bolts on the outer side of the connecting plate, and a fixed plate is fixedly connected to the right side of the connecting plate.

[0009] As a further description of the above technical solution:

[0010] The left side of the rotating cylinder is fixedly connected with a handle, and a level is arranged on the left side of the rotating cylinder.

[0011] As a further description of the above technical solution:

[0012] The inner side of the support arm is slidably connected to the inner side of the outer side of the fixed arm.

[0013] As a further description of the above technical solution:

[0014] The outer periphery of the rotating cylinder is rotatably connected to the inner side of the fixed steel ring.

[0015] As a further description of the above technical solution:

[0016] The chain ring is provided with a plurality of groups, and is linearly and evenly distributed on the outer periphery of the rotating cylinder.

[0017] As a further description of the above technical solution:

[0018] The outer side of the fixed plate is in contact with the inner side of the support steel frame.

[0019] As a further description of the above technical solution:

[0020] The infrared range finder is provided with a plurality of groups, and is arranged at random positions on the left side of the support steel frame.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The utility model discloses a structure that is simple in structure, convenient in use and high in positioning accuracy.

[0023] 2、The utility model discloses a structure that is simple in structure, convenient in use and high in positioning accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The overall front view of a novel converter tapping hole outer seat brick positioning and calibration tool is provided in the utility model;

[0025] Figure 2 The fixed steel ring front view of a novel converter tapping hole outer seat brick positioning and calibration tool is provided in the utility model;

[0026] Figure 3 The support steel frame top surface view of a novel converter tapping hole outer seat brick positioning and calibration tool is provided in the utility model;

[0027] Figure 4 The schematic view of a novel converter tapping hole outer seat brick positioning and calibration tool in the contact use state of the tapping hole inner and tapping hole lower seat brick is provided in the utility model.

[0028] Legend:

[0029] 1, fixed steel ring; 2, fixed arm; 3, hinged column; 4, support arm; 5, support steel frame; 6, pulley; 7, transmission chain; 8, rotating cylinder; 9, chain loop; 10, handle; 11, connecting plate; 12, fixed plate; 13, infrared range finder; 14, level. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Reference Figure 1 , Figure 2 and Figure 4The utility model provides a kind of embodiment: a novel converter tapping hole outer seat brick positioning calibration tool, including the fixed steel ring 1 of fixed connection effect, fixed steel ring 1 outside fixed connection has fixed arm 2, fixed arm 2 is provided with four groups, annular equidistance is arranged at the outer periphery of fixed steel ring 1, and the inside rotation connection of fixed arm 2 outer side one end has hinged column 3, and hinged column 3 outer periphery fixed connection has the support arm 4 of supporting effect, and support arm 4 inboard one end is slidably connected in the inside of fixed arm 2 outer side one end, and support steel frame 5 is hinged in support arm 4 outer side one end, and support steel frame 5 is contacted with converter tapping hole inner wall, and support steel frame 5 inboard is provided with positioning assembly, and positioning assembly is used to determine the position of tapping hole outer seat brick, and hinged column 3 outer periphery fixed connection has pulley 6, and pulley 6 outer periphery is connected with rotating cylinder 8 by transmission chain 7, and rotating cylinder 8 rotation can be driven four groups pulley 6 simultaneously by transmission chain 7, and rotating cylinder 8 outer periphery rotation is connected in the inside of fixed steel ring 1, and rotating cylinder 8 outer periphery is provided with chain ring channel 9 of transmission chain 7 for easy placement, and chain ring channel 9 is provided with multiple groups, and linear average distribution is in the outer periphery of rotating cylinder 8, and transmission chain 7 is arranged in the inside of chain ring channel 9, to ensure that multiple transmission chain 7 between each other will not influence.

[0032] Referring to Figures 1-2 , rotating cylinder 8 left side fixed connection has handle 10 for easy rotating rotating cylinder 8, handle 10 is provided with two groups, and symmetrically set up in the left side of rotating cylinder 8, and rotating cylinder 8 left side is provided with level 14, and level 14 is used to detect whether rotating cylinder 8 is kept parallel with tapping hole, so that longitudinal always keeps horizontal precision during the process of laying and positioning, and support steel frame 5 left side is provided with infrared range finder 13, and infrared range finder 13 is used to detect the distance between seat brick and tapping hole inner wall, and infrared range finder 13 is provided with several groups, and infrared range finder 13 is arranged in the random position of support steel frame 5 left side, so that the measurement data of infrared range finder 13 has randomness, and data is more authentic and reliable, so that positioning is more accurate and faultless.

[0033] Referring to Figure 1 And Figure 3 , positioning assembly includes the connecting plate 11 of fixed connection effect, and connecting plate 11 inboard is detachably connected in the inboard of support steel frame 5 by bolt, and connecting plate 11 right side fixed connection has fixed plate 12, after completing positioning, connecting plate 11 and fixed plate 12 can be removed, so that seat brick will not move due to taking support steel frame 5, so that outer seat brick positioning is more accurate, and fixed plate 12 inboard is contacted with the inboard of support steel frame 5.

[0034] Working principle: when the outer nozzle seat is positioned, the outer nozzle seat is placed in the inner nozzle, the support steel frame 5 is set outside the outer nozzle seat, the rotating cylinder 8 is rotated, the rotating cylinder 8 drives the four sets of transmission chains 7 to move simultaneously, the transmission chains 7 drive the four sets of pulleys 6 to rotate the same angle, then the pulleys 6 drive the hinged columns 3 to rotate the same angle, the hinged columns 3 drive the support arms 4 to move outward and open, the support steel frame 5 is driven to open outward at the same time, until it abuts against the inner wall of the nozzle, under the condition that the level 14 is horizontal, the data of the infrared distance meter 13 on the support steel frame 5 is checked, whether it reaches the masonry standard, if there is deviation, the outer nozzle seat is slowly moved until the data of the infrared distance meter 13 meets the masonry requirements of the steel plant, so that the position can be quickly determined, and the position of the outer nozzle seat meets the standard. When the support steel frame 5 is taken out, after the position of the outer nozzle seat is determined, the bolt is loosened, the fixed plate 12 is separated from the support steel frame 5, the support steel frame 5 is slowly pulled out, the masonry work of the outer nozzle seat is completed, the contact between the support steel frame 5 and the outer nozzle seat in the withdrawal process is reduced, and the accuracy of the position of the outer nozzle seat is ensured.

[0035] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A novel positioning and calibration tool for the outer seating brick of the converter tapping hole, comprising a fixed steel ring (1), characterized in that: The fixed steel ring (1) is fixedly connected with a fixed arm (2), one end of the outer side of the fixed arm (2) is rotatably connected with a hinged column (3), the outer periphery of the hinged column (3) is fixedly connected with a support arm (4), one end of the outer side of the support arm (4) is hinged with a support steel frame (5), the inner side of the support steel frame (5) is provided with a positioning assembly, the positioning assembly is used to determine the position of the outer seat brick of the steel port, the outer periphery of the hinged column (3) is fixedly connected with a pulley (6), the outer periphery of the pulley (6) is connected with a rotating cylinder (8) through a transmission chain (7), and the outer periphery of the rotating cylinder (8) is provided with a chain ring (9).

2. A novel positioning and calibration tool for the outer seating brick of the converter nozzle according to claim 1, characterized in that: The positioning assembly comprises a connecting plate (11), the outer side of the connecting plate (11) is detachably connected to the inner side of the support steel frame (5) through bolts, and the right side of the connecting plate (11) is fixedly connected with a fixed plate (12).

3. A novel positioning and calibration tool for the outer seating brick of the converter nozzle according to claim 1, characterized in that: The left side of the rotating cylinder (8) is fixedly connected with a handle (10), the left side of the rotating cylinder (8) is provided with a level (14), and the left side of the support steel frame (5) is provided with an infrared range finder (13).

4. A novel positioning and alignment tool for the outer seating brick of the converter nozzle according to claim 1, characterized in that: The inner side of one end of the support arm (4) is slidably connected to the inner side of one end of the outer side of the fixed arm (2).

5. A novel positioning and alignment tool for the outer seating brick of the converter nozzle according to claim 1, characterized in that: The outer periphery of the rotating cylinder (8) is rotatably connected in the inner side of the fixed steel ring (1).

6. A novel positioning and alignment tool for the outer seating brick of the converter nozzle according to claim 1, characterized in that: The chain ring (9) is provided with a plurality of groups, which are linearly and averagely distributed on the outer periphery of the rotating cylinder (8), and the transmission chain (7) is arranged in the inner side of the chain ring (9).

7. A novel positioning and alignment tool for the outer seating brick of the converter nozzle according to claim 2, characterized in that: The outer side of the fixed plate (12) is in contact with the inner side of the support steel frame (5).

8. A novel positioning and alignment tool for the outer seating brick of the converter nozzle according to claim 3, characterized in that: The infrared range finder (13) is provided with a plurality of groups, and the infrared range finder (13) is arranged at random positions on the left side of the support steel frame (5).