A safety control device for immersion nozzle in slab tundish

Abstract

The utility model relates to the technical field of continuous casting, and provides a slab mid-package immersion nozzle safety control device, comprising a first blind plate, a second blind plate and a fixed rod. The utility model is provided with an adjustment structure, and a handle is turned to drive the handle to move a threaded column to one side of a clamping groove, and a movable rod is pulled, and the movable rod moves inside the slide groove. After moving to a suitable position, the handle is turned, and the handle drives the threaded column to rotate inside the fixed rod, and one end of the threaded column extends to the inside of the clamping groove, so that the threaded column and the movable rod are mutually clamped and fixed through the clamping groove, and then the movable rod and the fixed rod are mutually fixed, so that personnel can smoothly put in the first blind plate under the premise of being safe from the slide mechanism, and timely shut down the immersion nozzle, so as to realize the function of facilitating the length adjustment of the device, thereby improving the safety of the slab mid-package immersion nozzle safety control device when in use.

Description

Technical Field

[0001] The utility model relates to the technical field of continuous casting, in particular to a slab tundish immersion nozzle safety control device. Background Art

[0002] The blind plate used in the slab mid-package immersed water inlet, when there is steel clamping or accidental cutting off on the water inlet plate surface, because the blind plate is small and has no handle device, when the steel clamping or other conditions occur, the molten steel will be sprayed due to the static pressure of the molten steel in the mid-package, which not only poses a great safety hazard of scalding to personnel but also cannot be accurately inserted, which can easily lead to the expansion of accidents and even scald equipment such as crystallizers, pressure plates, and slide mechanisms. The present invention can avoid safety accidents to personnel and can quickly and accurately shut down the water inlet to prevent the expansion of accidents. Therefore, a slab mid-package immersed water inlet safety control device is used. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The utility model aims to provide a slab-mid-wrapped immersed nozzle safety control device, which is used to solve the defect that the existing slab-mid-wrapped immersed nozzle safety control device is inconvenient to adjust the length. (II) Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a slab tundish immersion nozzle safety control device, comprising a first blind plate, a second blind plate and a fixing rod, wherein the second blind plate is provided on one side of the first blind plate, and the fixing rod is fixed on the bottom of the second blind plate away from the side of the first blind plate;

[0007] A slide groove is arranged inside the fixed rod, a movable rod is arranged inside the slide groove, and a top end of the movable rod extends to the outside of the fixed rod and is fixed with a protective structure;

[0008] An adjustment structure is arranged on one side of the top of the fixing rod, and the adjustment structure comprises a handle, a threaded column and a clamping groove. A threaded column is arranged on one side of the top of the fixing rod.

[0009] When using the device, by providing an adjustment structure, the function of facilitating the adjustment of the length of the device is realized, thereby improving the safety of the slab-submerged water inlet safety control device during use; by providing a protective structure, the function of facilitating the portability of the device is realized, thereby improving the convenience of the slab-submerged water inlet safety control device during use.

[0010] Preferably, the first blind plate and the second blind plate are welded into an integrated structure, and the fixed rod and the movable rod form a sliding structure through a slide groove. When the second blind plate has cracks on its surface and cannot be used, the first blind plate is cut off and a new second blind plate is re-welded.

[0011] Preferably, the protective structure includes a handle, a protective cover and anti-skid bumps, the handle is fixed to the top of the movable rod, the outer side of the handle is fixed with a protective cover, and the outer wall of the protective cover is evenly fixed with anti-skid bumps. Under the action of the protective cover, the contact area between the palm and the handle is increased.

[0012] Preferably, the anti-skid bumps are spherical in design and are evenly spaced on the outer wall of the protective sleeve. Under the action of the anti-skid bumps, the friction between the palm and the protective sleeve is increased.

[0013] Preferably, one end of the threaded column extends to the outside of the fixed rod and is fixed with a handle, and one side of the inside of the movable rod is evenly provided with a clamping groove. The handle is turned to drive the threaded column to move to one side of the clamping groove, and the movable rod is pulled so that the movable rod moves inside the slide groove.

[0014] Preferably, one end of the threaded column extends into the interior of the clamping groove, and the threaded column and the fixing rod are designed to be threadedly connected. After moving to a suitable position, the handle is turned, and the handle drives the threaded column to rotate inside the fixing rod, and one end of the threaded column extends into the interior of the clamping groove.

[0015] Preferably, the threaded column and the movable rod form a clamping structure through a clamping groove, and the clamping grooves are evenly spaced on one side of the movable rod. The threaded column and the movable rod are clamped and fixed to each other through the clamping groove, and then the movable rod and the fixed rod are fixed to each other, which is convenient for personnel to smoothly put in the first blind plate and shut down the immersion water outlet in time while being safe from the slide mechanism.

[0016] (III) Beneficial effects

[0017] The utility model provides a slab tundish immersion nozzle safety control device, which has the advantages of:

[0018] By providing an adjustment structure, the handle is turned so that the handle drives the threaded column to move to one side of the clamping groove, and the movable rod is pulled, and the movable rod will move inside the slide groove. After moving to a suitable position, the handle is turned, and the handle will drive the threaded column to rotate inside the fixed rod, and one end of the threaded column will extend into the inside of the clamping groove, so that the threaded column and the movable rod are clamped and fixed to each other through the clamping groove, and then the movable rod and the fixed rod are fixed to each other, which is convenient for personnel to smoothly put in the first blind plate under the premise of being safe away from the slide mechanism, and to close the immersion nozzle in time, so as to realize the function of facilitating the length adjustment of the device, thereby improving the safety of the slab immersion nozzle safety control device when in use;

[0019] By providing a protective structure, the contact area between the palm and the handle is increased under the action of the protective cover, and the friction between the palm and the protective cover is increased under the action of the anti-slip protrusion, thereby realizing the function of easy carrying of the device, thereby improving the convenience of using the slab-in-submerged water inlet safety control device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0024] Figure 4 It is a side view structural diagram of the protective structure of the utility model;

[0025] Figure 5 It is a partial three-dimensional enlarged structural schematic diagram of the regulating structure of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. first blind plate; 2. second blind plate; 3. fixed rod; 4. movable rod; 5. protective structure; 501. handle; 502. protective cover; 503. anti-slip protrusion; 6. adjustment structure; 601. handle; 602. threaded column; 603. snap-in groove; 7. slide groove. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1

[0030] See also Figure 1-5 The utility model provides a slab immersion nozzle safety control device, comprising a first blind plate 1, a second blind plate 2 and a fixed rod 3, wherein the first blind plate 1 is provided with the second blind plate 2 on one side, the second blind plate 2 is fixed with the fixed rod 3 on the bottom of the side away from the first blind plate 1, the fixed rod 3 is provided with a slide groove 7 inside, the slide groove 7 is provided with a movable rod 4 inside, the top end of the movable rod 4 extends to the outside of the fixed rod 3 and is fixed with a protective structure 5, and the protective structure 5 includes a handle 501 , a protective cover 502 and anti-skid bumps 503, the handle 501 is fixed to the top of the movable rod 4, the protective cover 502 is fixed to the outside of the handle 501, the anti-skid bumps 503 are evenly fixed on the outer wall of the protective cover 502, the anti-skid bumps 503 are spherical in design, and the anti-skid bumps 503 are evenly distributed on the outer wall of the protective cover 502, the first blind plate 1 and the second blind plate 2 are welded into an integrated structure, and the fixed rod 3 and the movable rod 4 form a sliding structure through the slide groove 7.

[0031] In this embodiment, under the action of the protective cover 502 , the contact area between the palm and the handle 501 is increased, and under the action of the anti-slip bump 503 , the friction between the palm and the protective cover 502 is increased.

[0032] Embodiment 2

[0033] This embodiment also includes: an adjustment structure 6 is provided on one side of the top of the fixed rod 3, and the adjustment structure 6 includes a handle 601, a threaded column 602 and a clamping groove 603; a threaded column 602 is provided on one side of the top of the fixed rod 3, one end of the threaded column 602 extends to the outside of the fixed rod 3 and is fixed with the handle 601; clamping grooves 603 are evenly opened on one side of the inside of the movable rod 4, one end of the threaded column 602 extends to the inside of the clamping groove 603, the threaded column 602 and the fixed rod 3 are designed to be threadedly connected, the threaded column 602 and the movable rod 4 form a clamping structure through the clamping groove 603, and the clamping grooves 603 are evenly distributed on one side of the inside of the movable rod 4.

[0034] In this embodiment, the handle 601 is rotated so that the handle 601 drives the threaded column 602 to move to one side of the clamping groove 603, and the movable rod 4 is pulled, and the movable rod 4 will move inside the slide groove 7. After moving to the appropriate position, the handle 601 is rotated, and the handle 601 will drive the threaded column 602 to rotate inside the fixed rod 3. One end of the threaded column 602 will extend to the inside of the clamping groove 603, so that the threaded column 602 and the movable rod 4 are clamped and fixed to each other through the clamping groove 603, and then the movable rod 4 and the fixed rod 3 are fixed to each other, which is convenient for personnel to smoothly put in the first blind plate 1 while staying away from the safety of the slide plate mechanism, and shut down the immersion water outlet in time.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A safety control device for an immersion nozzle in a slab, comprising a first blind plate (1), a second blind plate (2) and a fixing rod (3), characterized in that: A second blind plate (2) is provided on one side of the first blind plate (1), and a fixing rod (3) is fixed to the bottom of the second blind plate (2) on a side away from the first blind plate (1); The fixed rod (3) is provided with a slide groove (7) inside, the slide groove (7) is provided with a movable rod (4) inside, and the top end of the movable rod (4) extends to the outside of the fixed rod (3) and is fixed with a protective structure (5); An adjustment structure (6) is provided on one side of the top of the fixing rod (3), and the adjustment structure (6) comprises a handle (601), a threaded column (602) and a clamping groove (603); a threaded column (602) is provided on one side of the top of the fixing rod (3); The protective structure (5) comprises a handle (501), a protective cover (502) and anti-skid bumps (503); the handle (501) is fixed to the top end of the movable rod (4); the protective cover (502) is fixed to the outside of the handle (501); and the anti-skid bumps (503) are evenly fixed on the outer wall of the protective cover (502).

2. A slab tundish submerged nozzle safety control device according to claim 1, characterized in that: The first blind plate (1) and the second blind plate (2) are in a welded integrated structure, and the fixed rod (3) and the movable rod (4) form a sliding structure via a sliding groove (7).

3. A slab tundish submerged nozzle safety control device according to claim 1, characterized in that: The anti-skid bumps (503) are spherical in design, and are distributed at equal intervals on the outer wall of the protective sleeve (502).

4. The slab tundish submerged nozzle safety control device according to claim 1, characterized in that: One end of the threaded column (602) extends to the outside of the fixed rod (3) and is fixed with a handle (601), and one side of the inside of the movable rod (4) is evenly provided with a clamping groove (603).

5. A slab tundish submerged nozzle safety control device according to claim 4, characterized in that: One end of the threaded column (602) extends into the interior of the clamping groove (603), and the threaded column (602) and the fixing rod (3) are designed to be threadedly connected.

6. A slab tundish submerged nozzle safety control device according to claim 4, characterized in that: The threaded column (602) and the movable rod (4) form a snap-fit ​​structure via snap-fit ​​grooves (603), and the snap-fit ​​grooves (603) are distributed at equal intervals on one side inside the movable rod (4).

Images