Measuring tool for tundish nozzle of slab continuous casting machine

Abstract

The utility model discloses a measuring tool for a tundish nozzle of a slab continuous casting machine, belongs to the technical field of slab continuous casting machine measurement, and solves the problems that multiple times of measurement and adjustment are needed, the installation efficiency is low and the installation precision is not high when the tundish nozzle is installed in the prior art. The measuring scale comprises a vertical measuring scale and a horizontal measuring scale, the vertical measuring scale and the horizontal measuring scale are perpendicular to each other, a movable sliding block is sleeved outside the vertical measuring scale, and the horizontal measuring scale is installed on the movable sliding block. The device is simple and light in structure and easy to measure, measuring steps are simplified, measuring times can be reduced, mounting efficiency and mounting precision of the tundish nozzle are effectively improved, working intensity is reduced, and the device has great popularization value.

Description

Technical Field

[0001] The utility model belongs to the technical field of slab caster measurement, and particularly relates to a tundish nozzle measurement tool for a slab caster. Background Technique

[0002] The tundish nozzle of the slab caster is a flat duckbill-shaped submerged nozzle. During production, the flow field in the mold is directly controlled by the tundish submerged nozzle. Therefore, the installation accuracy requirements for the tundish submerged nozzle of the thin slab caster are very high. Due to its special appearance shape and the particularity requirements of the funnel-shaped mold, when in use, the submerged nozzle needs to be inserted into the mold very accurately to ensure the stability of the molten steel flow field, prevent large fluctuations of the molten steel in the mold during the casting process, resulting in cracks in the steel billet due to uneven cooling, and even causing accidents such as slag entrainment and leakage of molten steel.

[0003] At present, the installation of the submerged nozzle usually adopts the method of manual measurement, which requires multiple positioning of the mounting bricks and separating rings, and multiple measurements of the length of the nozzle protruding from the bottom of the ladle, perpendicularity, etc. This makes the installation efficiency of the thin slab submerged nozzle low during the operation process, and the installation accuracy is affected by factors such as the proficiency of the operator. Moreover, the installation of the nozzle is easily affected by factors such as the floor levelness, resulting in the nozzle installation not meeting the requirements, leading to the failure of the nozzle installation, repeated installation, and increasing the workload of workers. Content of the Utility Model

[0004] The utility model provides a tundish nozzle measurement tool for a slab caster to solve the problems of multiple measurements and adjustments required during the existing installation of the tundish nozzle, low installation efficiency, and low installation accuracy.

[0005] The technical solution of the utility model is: it includes a vertical measuring ruler and a horizontal measuring ruler, the vertical measuring ruler and the horizontal measuring ruler are perpendicular to each other, a moving slider is sleeved outside the vertical measuring ruler, and the horizontal measuring ruler is installed on the moving slider.

[0006] As a further improvement of the utility model, a magnetic adsorption fixing block is connected to the upper end of the vertical measuring ruler, the top surface of the magnetic adsorption fixing block is on the same horizontal line as the "0" scale line of the vertical measuring ruler, and the vertical measuring ruler is connected to the tundish through the magnetic adsorption fixing block.

[0007] As a further improvement of the utility model, a locking bolt is provided on the side surface of the moving slider, and the end of the locking bolt abuts against the side wall of the vertical measuring ruler for fixing the horizontal measuring ruler.

[0008] The beneficial effects of the present utility model are as follows: By means of the vertical measuring scale and the horizontal measuring scale, the present utility model can measure the length of the water outlet extending out of the bottom of the tundish and the distance between both sides of the tundish nozzle, so as to determine whether the installation deviation of the nozzle is within the process standard range; through the magnetic adsorption fixing block at the top, the perpendicularity of the vertical measuring scale can be ensured, which is convenient for measuring whether the tundish nozzle is parallel to the inner wall of the mold. While simplifying the measuring steps, the number of measurements can be reduced, effectively improving the installation efficiency and installation accuracy of the tundish nozzle. The structure of the present utility model is simple and lightweight, easy to measure, effectively reducing the working intensity, and has great popularization value. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is a schematic structural diagram of the present utility model;

[0010] Figure 2 is a schematic structural diagram of the moving slider of the present utility model;

[0011] Figure 3 is a schematic connection diagram of the moving slider and the horizontal measuring scale of the present utility model;

[0012] Figure 4 is a schematic use diagram of the present utility model.

[0013] In the figure: 1 - magnetic adsorption positioning block, 2 - vertical measuring scale, 3 - fixing bolt, 4 - moving slider, 5 - locking bolt, 6 - horizontal measuring scale, 7 - tundish nozzle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The following further detailed description of the present utility model will be given in conjunction with the accompanying drawings and specific embodiments.

[0015] As Figures 1-4 shown, a measuring tool for the tundish nozzle of a slab continuous casting machine is characterized in that: it includes a vertical measuring scale 2 and a horizontal measuring scale 6, the vertical measuring scale 2 and the horizontal measuring scale 6 are perpendicular to each other, a moving slider 4 is sleeved outside the vertical measuring scale 2, the horizontal measuring scale 6 is installed on the moving slider 4, and whether the tundish nozzle part is parallel to the inner wall of the mold can be measured through the horizontal measuring scale 6 and the vertical measuring scale 2.

[0016] The upper end of the vertical measuring scale 2 is connected with a magnetic adsorption fixing block 1, the vertical measuring scale 2 is connected to the tundish through the magnetic adsorption fixing block 1, and the top surface of the magnetic adsorption fixing block 1 and the "0" scale line of the vertical measuring scale 2 are on the same horizontal line, which is convenient for measurement.

[0017] The side of the moving slider 4 is provided with a locking bolt 5, and the end of the locking bolt 5 abuts against the side wall of the vertical measuring scale 2 for fixing the horizontal measuring scale 6.

[0018] During use, the operator tightens the fixing bolt 3 to prevent it from slipping and affecting the measurement data of the tundish nozzle 7. During measurement, first adsorb the top magnetic block 1 to the bottom steel shell of the tundish of the slab caster or the thin slab caster, adjust the position of the top magnetic block 1 to make it close to the tundish nozzle 7 to be measured, adjust the moving slider 4 to make the top surface of the horizontal measuring scale 6 contact with the bottom of the tundish nozzle 7, and lock the locking bolt 5. At this time, the length of the tundish nozzle 7 extending from the tundish bottom can be measured through the vertical measuring scale 2, and the distance between the two sides of the duckbill of the tundish nozzle 7 can be read through the horizontal measuring scale 6, so as to determine whether the installation deviation of the nozzle is within the process standard range.

Claims

1. A tundish water inlet measuring tool for a slab continuous casting machine, characterized in that: The utility model comprises a vertical measuring ruler (2) and a horizontal measuring ruler (6), wherein the vertical measuring ruler (2) and the horizontal measuring ruler (6) are perpendicular to each other, a movable slider (4) is provided on the outer cover of the vertical measuring ruler (2), and the horizontal measuring ruler (6) is mounted on the movable slider (4).

2. A tundish water inlet measuring tool for a slab continuous casting machine according to claim 1, characterized in that: The upper end of the vertical measuring ruler (2) is connected to a magnetic fixing block (1), and the vertical measuring ruler (2) is connected to the tundish via the magnetic fixing block (1).

3. A tundish water inlet measuring tool for a slab continuous casting machine according to any one of claims 1 or 2, characterized in that: A locking bolt (5) is provided on the side of the movable slide block (4), and the end of the locking bolt (5) abuts against the side wall of the vertical measuring ruler (2).

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