A mounting device for a stopper rod regulating mechanism

By employing a stepped hole and threaded hole design in the stopper rod adjustment mechanism, the problems of difficult replacement and loosening in the existing technology are solved, and the stopper rod adjustment mechanism is stably fixed, ensuring the matching of molten steel flow and casting speed between the tundish and the crystallizer, thereby improving the quality and convenience of billet.

CN224333427UActive Publication Date: 2026-06-09JIANG YIN SHI HUA RUN ZHI GANG YOU XIAN GONG SI

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANG YIN SHI HUA RUN ZHI GANG YOU XIAN GONG SI
Filing Date
2025-06-26
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing stopper rod adjustment mechanism is not easy to replace and the wedge is prone to loosening, which leads to unstable matching between the molten steel flow rate and the casting speed in the tundish, affecting the quality of the billet.

Method used

The mounting device, designed with stepped holes and threaded holes, uses a combination of mounting panels and mounting pins to fix the stopper rod adjustment mechanism with bolts, making it more stable and reliable for installation on the tundish.

Benefits of technology

This achieved stable fixing of the stopper rod adjustment mechanism, ensuring the matching of molten steel flow rate and casting speed between the tundish and the crystallizer, improving billet quality and simplifying the assembly and disassembly process.

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Abstract

The utility model discloses a mounting device of stopper rod adjusting mechanism, including installation panel and installation column pin, wherein: installation panel is rectangular steel sheet, and four mounting holes are opened to installation panel at the position close to the edge of panel, installation pin is installed in the mounting hole, and stopper rod adjusting mechanism is hung on the installation pin and is locked through locking mechanism.
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Description

Technical Field

[0001] This utility model relates to iron and steel metallurgy, particularly to continuous casting equipment, and more specifically to an installation device for a stopper rod adjustment mechanism. Background Technology

[0002] In continuous casting production, the tundish stopper rod adjustment mechanism is a crucial component of the continuous casting equipment, serving as a key device for regulating the matching of molten steel flow rate and casting speed. Working in conjunction with the crystallizer liquid level detection device, it jointly ensures the relative stability of the billet casting speed and the molten steel level in the crystallizer. The computer PLC compares the actual liquid level with the set liquid level and adjusts the opening degree of the stopper rod appropriately via the electric cylinder of the stopper rod adjustment mechanism, thereby regulating the flow rate of molten steel from the tundish into the crystallizer and ensuring the relative stability of the crystallizer liquid level. This prevents molten steel leakage accidents, reduces inclusions in the steel flow, and plays a vital role in improving the surface quality and internal defects of the billet. Existing stopper rod adjustment mechanisms use mounting pins directly welded to the mounting panel and secured with wedges, which has the disadvantages of being difficult to replace and prone to loosening after vibration. Utility Model Content

[0003] Therefore, this utility model proposes an installation device for a stopper rod adjustment mechanism, which overcomes the above-mentioned shortcomings.

[0004] To achieve the purpose of this utility model, the following technical solution is adopted:

[0005] An installation device for a stopper rod adjustment mechanism includes a mounting panel and a mounting pin, wherein: the mounting panel is a rectangular steel plate, and four mounting holes are opened on the mounting panel near the edge of the panel; the mounting pin is installed in the mounting holes, the stopper rod adjustment mechanism is suspended on the mounting pin, and locked by a locking mechanism.

[0006] The mounting device for the stopper rod adjustment mechanism, wherein: each mounting hole is a stepped hole, the stepped hole includes an inner first hole and an outer second hole, the diameter of the second hole is larger than the diameter of the first hole, and the second hole and the first hole are coaxially arranged;

[0007] The bottom of the second hole has multiple threaded holes evenly distributed in the circumferential direction.

[0008] The mounting device for the stopper rod adjustment mechanism, wherein the mounting pin is divided into a first section, a second section and a third section in sequence along the length direction, and the radial dimension of the second section is greater than the radial dimensions of the first section and the third section.

[0009] The mounting device for the stopper rod adjustment mechanism includes: a second section having multiple stepped holes evenly spaced in the circumferential direction; the stepped holes include an inner first hole and an outer second hole, the diameter of the second hole being larger than the diameter of the first hole, the second hole and the first hole being coaxially arranged, and the second hole being a threaded hole.

[0010] The mounting device for the stopper rod adjustment mechanism includes a mounting hole at the center of the mounting pin, which is a threaded through hole.

[0011] The mounting device for the stopper rod adjustment mechanism includes a stopper rod adjustment mechanism body, with a mounting plate fixed on each side of the upper and lower parts of the stopper rod adjustment mechanism body, and a hanging groove opened on the mounting plate.

[0012] The mounting device for the stopper rod adjustment mechanism, wherein the mounting panel is integrally connected to the intermediate package by welding.

[0013] The mounting device for the stopper rod adjustment mechanism includes: a first section of the mounting pin is inserted into a first hole inside the mounting hole of the mounting panel; a second section of the mounting pin is inserted into a second hole outside the mounting hole of the mounting panel; a first bolt is inserted into a stepped hole in the second section of the mounting pin; a screw is threadedly connected to the second hole of the stepped hole; and simultaneously, the screw is threadedly connected to a threaded hole at the bottom of the stepped hole of the mounting panel.

[0014] The installation device for the stopper rod adjustment mechanism includes: the stopper rod adjustment mechanism is hung on the third section of the mounting pin via a suspension groove, and the second bolt is screwed into the mounting hole of the mounting pin.

[0015] The mounting device for the stopper rod adjustment mechanism, wherein: the end of the first bolt is recessed into the second hole of the stepped hole for mounting the pin. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the installation device for the stopper rod adjustment mechanism;

[0017] Figure 2 This is an enlarged schematic diagram of the installation device structure for the stopper rod adjustment mechanism;

[0018] Figure 3 This is a schematic diagram of the installation panel structure;

[0019] Figure 4 Schematic diagram of the installation pin structure;

[0020] Figure 5 This is a schematic diagram of the stopper rod adjustment mechanism; Detailed Implementation

[0021] The following is in conjunction with the appendix Figure 1This document provides a detailed description of the specific embodiments of this utility model. These embodiments are exemplary and intended only to explain the present utility model, and should not be construed as limiting the scope of the present utility model. Clearly, the embodiments described in this utility model are merely a part of the embodiments, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0022] The terms "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of the present invention include the specific features, structures, or characteristics described in connection with that embodiment. Therefore, the terms "comprising," "including," "having," and variations thereof in this specification mean "including but not limited to," unless otherwise specifically emphasized.

[0023] like Figure 1 As shown, the stopper rod adjustment mechanism 2 is installed on the intermediate package 1 through the stopper rod adjustment mechanism mounting device, and is integrated with the intermediate package 1.

[0024] like Figure 2 As shown, the mounting device for the stopper rod adjustment mechanism includes a mounting panel 3, a mounting pin 4, and a bolt 6.

[0025] like Figure 3 As shown, the mounting panel 3 is a rectangular steel plate. Near the edge of the mounting panel 3, there are four mounting holes, each a stepped through hole. The stepped holes include an inner first hole 33 and an outer second hole 32. The diameter of the second hole 32 is larger than the diameter of the first hole 33, and the second hole 32 and the first hole 33 are coaxially arranged. Six threaded holes 31 are evenly distributed circumferentially at the bottom of the second hole 32.

[0026] like Figure 4 As shown, the mounting pin 4 is divided into three segments along its length: segment 41, segment 42, and segment 43. The radial dimension (e.g., diameter) of segment 41 is greater than that of segment 43, the radial dimension (e.g., diameter) of segment 42 is greater than that of segment 41, the length of segment 43 is greater than that of segment 42, and the length of segment 42 is greater than that of segment 41. Segment 42 has six stepped holes evenly spaced circumferentially, corresponding to the positions of the six threaded holes 31. The stepped holes include an inner first hole 421 and an outer second hole 422. The diameter of the second hole 422 is greater than that of the first hole 421. The second hole 422 and the first hole 421 are coaxially aligned, and the second hole 422 is a threaded hole. A mounting hole 44, which is a threaded through hole, is located at the center of the mounting pin 4.

[0027] like Figure 5 As shown, the stopper rod adjustment mechanism 2 includes a stopper rod adjustment mechanism body 20, and a mounting plate 21 is fixed on each of the upper and lower sides of the stopper rod adjustment mechanism body 20. The mounting plate 21 has a suspension groove 22.

[0028] Mounting panel 2 is welded to the middle package 1, ensuring the verticality of mounting panel 3 during welding. The first section 41 of mounting pin 4 is inserted into the first hole 33 inside the mounting hole of mounting panel 3, and the second section 42 of mounting pin 4 is inserted into the second hole 32 outside the mounting hole of mounting panel 3. Hex socket head cap screw 5 is inserted into the stepped hole of the second section 42 of mounting pin 4, and the screw is threaded into the second hole 421 of the stepped hole. At the same time, the screw is threaded into the threaded hole 31 at the bottom of the stepped hole of mounting panel 3, thus fixing mounting pin 4 to mounting panel 3. The end of hex socket head cap screw 5 is recessed into the second hole 422 of the stepped hole of mounting pin 4.

[0029] The stopper rod adjustment mechanism 2 is hung on the third section 43 of the mounting pin 4 via the suspension groove 22. After the external hex bolt 6 is fitted with a washer 7, it is screwed into the mounting hole 44 of the mounting pin 4 to fasten the stopper rod adjustment mechanism 2 to the fixed position of the middle package 1.

[0030] This invention enables the stopper rod adjustment mechanism to be more stably and reliably fixed on the mounting panel, ensuring the relative position of the stopper rod and the tundish nozzle, ensuring the accuracy of the matching between the molten steel flow rate injected into the crystallizer and the casting speed, and also has the advantage of convenient installation and disassembly.

[0031] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A mounting device for a stopper rod adjustment mechanism, comprising a mounting panel and a mounting pin, characterized in that: The mounting panel is a rectangular steel plate with four mounting holes near the edge. The mounting pins are installed in the mounting holes, and the stopper rod adjustment mechanism is suspended on the mounting pins and locked by the locking mechanism.

2. The mounting device for the stopper rod adjusting mechanism according to claim 1, characterized in that: Each mounting hole is a stepped hole, which includes an inner first hole and an outer second hole. The diameter of the second hole is larger than that of the first hole, and the second hole and the first hole are coaxially arranged. The bottom of the second hole has multiple threaded holes evenly opened in the circumferential direction.

3. The mounting device for the stopper rod adjusting mechanism according to claim 1 or 2, characterized in that: The mounting pin is divided into three sections in sequence along its length: the first section, the second section, and the third section. The radial dimension of the second section is larger than that of the first and third sections.

4. The mounting device for the stopper rod adjusting mechanism according to claim 3, characterized in that: The second section has multiple stepped holes evenly spaced in the circumferential direction; the stepped holes include an inner first hole and an outer second hole, the diameter of the second hole is larger than the diameter of the first hole, the second hole and the first hole are coaxially arranged, and the second hole is a threaded hole.

5. The mounting device for the stopper rod adjusting mechanism according to claim 4, characterized in that: The mounting pin has a central mounting hole, which is a threaded through hole.

6. The mounting device for the stopper rod adjusting mechanism according to claim 1, characterized in that: The stopper rod adjustment mechanism includes a stopper rod adjustment mechanism body, with a mounting plate fixed on each of the upper and lower sides of the stopper rod adjustment mechanism body, and a hanging groove opened on the mounting plate.

7. The mounting device for the stopper rod adjusting mechanism according to claim 1, characterized in that: The mounting panel is welded to the inner liner as a whole.

8. The mounting device for the stopper rod adjusting mechanism according to claim 1, characterized in that: The first section of the mounting pin is inserted into the first hole inside the mounting hole of the mounting panel, and the second section of the mounting pin is inserted into the second hole outside the mounting hole of the mounting panel. The first bolt is inserted into the stepped hole of the second section of the mounting pin, and the bolt is threadedly connected to the second hole of the stepped hole. At the same time, the bolt is threadedly connected to the threaded hole at the bottom of the stepped hole of the mounting panel.

9. The mounting device for the stopper rod adjusting mechanism according to claim 8, characterized in that: The stopper rod adjustment mechanism is suspended on the third section of the mounting pin via a suspension groove, and the second bolt is screwed into the mounting hole of the mounting pin.

10. The mounting device for the stopper rod adjusting mechanism according to claim 8, characterized in that: The end of the first bolt is recessed into the second hole of the stepped hole for installing the pin.