Continuous casting fire-resistant stopper rod anti-disengaging device

Abstract

The utility model discloses a continuous casting fire-resistant stopper rod anti-disengagement device which comprises a cross arm and a stopper rod body, the cross arm is provided with a penetrating opening, one side wall, close to the cross arm, of the stopper rod body is provided with a screw opening, the screw opening is internally connected with a screw rod in a threaded mode, and the screw rod penetrates through the penetrating opening. Two installation nuts are connected to the screw rod in a threaded mode, the two installation nuts are located on the two sides of the cross arm respectively, the screw rod is sleeved with two gaskets, the two gaskets are attached to the side walls of the two ends of the cross arm respectively, the stopper rod body is sleeved with a protection sleeve, and the inner wall of the protection sleeve is conical. A protection ring is fixedly connected to the outer wall of the protection sleeve, and a plurality of protection assemblies are arranged on the protection ring. The stopper rod can be effectively prevented from being separated from the cross arm, meanwhile, the vertical state of the stopper rod can be maintained and adjusted, and the stopper rod is very beneficial to use.

Description

Technical Field

[0001] The utility model relates to the technical field related to stopper rods, in particular to a continuous casting refractory stopper rod anti-detachment device. Background Art

[0002] The stopper rod is a refractory rod installed in the ladle to control the opening and closing of the water inlet and the flow of molten steel by lifting and displacement, also known as a ceramic stopper rod. It consists of a rod core, a sleeve brick and a plug brick. The rod core is usually made of ordinary carbon steel round steel with a diameter of 30~60mm. The upper end is connected to the horizontal arm of the lifting mechanism by bolts, and the lower end is connected to the plug brick by threads or pins, with a sleeve brick in the middle.

[0003] When the stopper rod is working, it usually relies solely on the screw thread to ensure the stability of the connection. Once there is a problem with the thread here, the stopper rod will become loose and fall off, and then the casting work cannot continue.

[0004] To this end, this solution proposes a continuous casting refractory plug rod anti-disconnection device to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a continuous casting refractory plug rod anti-detachment device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device for preventing a continuous casting refractory plug rod from disengaging comprises a cross arm and a plug rod body, the cross arm being provided with a through opening, a side wall of the plug rod body close to the cross arm being provided with a screw opening, a screw rod being threadedly connected to the screw opening, the screw rod passing through the through opening, two mounting nuts being threadedly connected to the screw rod, the two mounting nuts being respectively arranged on both sides of the cross arm, the screw rod sleeve being provided with two washers, the two washers being respectively arranged to fit the side walls at both ends of the cross arm, the plug rod body being sleeved with a protective sleeve, the inner wall of the protective sleeve being conically arranged, a protective ring being fixedly connected to the outer wall of the protective sleeve, and a plurality of protective components being arranged on the protective ring.

[0008] Preferably, the protection component includes a screw rod arranged on the upper end surface of the protection ring, the cross arm is provided with a through hole, the screw rod passes through the through hole, and two protection nuts are threadedly connected to the screw rod, and the two protection nuts are respectively located on both sides of the cross arm.

[0009] Preferably, a connecting seat is fixedly connected to the upper end surface of the protective ring, a spherical groove is provided on a side wall of the connecting seat away from the protective ring, a rolling ball is provided in the spherical groove, and the rolling ball is arranged on the screw rod.

[0010] Preferably, the upper sleeve of the screw rod is provided with two elastic gaskets, and the two elastic gaskets are respectively arranged on both sides of the cross arm.

[0011] Preferably, a protective cover is provided on the upper end surface of the protective sleeve, and a plurality of auxiliary holes are provided on the protective cover, threaded rods are passed through the plurality of auxiliary holes, the plurality of threaded rods are fixedly connected to the protective sleeve, and the ends of the plurality of threaded rods away from the protective sleeve are threadedly connected with auxiliary nuts.

[0012] Preferably, the protective sleeve and the protective ring are integrally formed.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the staff can cover the stopper rod body with the help of the protective cover, and then fix the protective cover with the help of the screw rod and the protective nut, and then assist in fixing the stopper rod body, so that the stopper rod body can work more safely and stably without the problem of disengagement. At the same time, with the help of the setting of the rolling ball and the lifting and lowering adjustment of the screw rod by the protective nut, the inclination angle of the stopper rod body can be assisted to adjust, so that the stopper rod body can better maintain a vertical state, and then better complete the work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a continuous casting refractory plug rod anti-disengagement device proposed by the utility model;

[0016] Figure 2 This is a front structural cross-sectional view of a continuous casting refractory plug rod anti-disengagement device proposed by the utility model;

[0017] Figure 3 for Figure 2 A magnified view of the structure in the middle;

[0018] Figure 4 for Figure 2 A magnified view of the structure in B.

[0019] In the figure: 1 cross arm, 2 plug rod body, 3 through opening, 4 screw opening, 5 screw rod, 6 mounting nut, 7 washer, 8 protective sleeve, 9 protective ring, 10 screw rod, 11 through hole, 12 protective nut, 13 connecting seat, 14 spherical groove, 15 rolling ball, 16 elastic gasket, 17 protective cover, 18 auxiliary hole, 19 threaded rod, 20 auxiliary nut. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 A continuous casting refractory plug rod anti-disengagement device comprises a cross arm 1 and a plug rod body 2. The cross arm 1 is provided with a through hole 3. A screw hole 4 is provided on one side wall of the plug rod body 2 close to the cross arm 1. A screw rod 5 is connected to the screw hole 4 through a thread. The screw rod 5 passes through the through hole 3. Two mounting nuts 6 are threadedly connected to the screw rod 5. The two mounting nuts 6 are respectively arranged on both sides of the cross arm 1. The screw rod 5 is sleeved with two washers 7. The two washers 7 are respectively arranged to fit the side walls of the two ends of the cross arm 1. In this way, the cross arm 1 can be smoothly completed. The plug rod body 2 is connected and assembled with a protective sleeve 8, and a protective cover 17 is provided on the upper end surface of the protective sleeve 8. The protective cover 17 is provided with a plurality of auxiliary holes 18, and threaded rods 19 are passed through the plurality of auxiliary holes 18. The plurality of threaded rods 19 are fixedly connected to the protective sleeve 8, and the ends of the plurality of threaded rods 19 away from the protective sleeve 8 are threadedly connected with auxiliary nuts 20, so that the protective cover 17 and the protective sleeve 8 can be completely fixed on the upper end of the plug rod body 2, thereby completing the protection and fixing work more firmly;

[0022] The inner wall of the protective sleeve 8 is set in a conical shape, and a protective ring 9 is fixedly connected to the outer wall of the protective sleeve 8. The protective sleeve 8 and the protective ring 9 are integrally formed, which makes the protective sleeve 8 and the protective ring 9 more secure and can work more safely. A plurality of protective components are provided on the protective ring 9, and the protective components include a screw rod 10 arranged on the upper end surface of the protective ring 9, and a connecting seat 13 is fixedly connected to the upper end surface of the protective ring 9. A spherical groove 14 is provided on the side wall of the connecting seat 13 away from the protective ring 9, and a rolling ball 15 is provided in the spherical groove 14. The rolling ball 15 is arranged on the screw rod 10, and the rolling of the rolling ball 15 in the spherical groove 14 can make the screw rod 10 relatively protected. The ring 9 is tilted, so that the staff can adjust the angle of the protection ring 9 by lifting and lowering the screw rod 10, and then adjust the plug rod body 2, so that the plug rod body 2 can better complete the vertical adjustment work, and a through hole 11 is provided on the cross arm 1, and the screw rod 10 is arranged to penetrate the through hole 11. Two protective nuts 12 are threadedly connected to the screw rod 10, and the two protective nuts 12 are respectively located on both sides of the cross arm 1, so that the auxiliary fixing work can be completed, so that the plug rod body 2 can work more safely, and two elastic gaskets 16 are provided on the upper sleeve of the screw rod 10, and the two elastic gaskets 16 are respectively arranged on both sides of the cross arm 1, and the elastic gaskets 16 make the fixing and adjustment work better.

[0023] During the use of the utility model, the screw rod 5 is first threaded into the screw port 4, and then the screw rod 5 is passed through the through port 3. At this time, the two washers 7 and the two mounting nuts 6 on the screw rod 5 are respectively located on both sides of the cross arm 1. Then the staff can install the two mounting nuts 6 in sequence with the specified rotation to complete the installation and fixing of the screw rod 5 on the cross arm 1. Before the screw rod 5 passes through the through port 3, the staff can cover the protective cover 17 on the upper end of the plug rod body 2. Then, after completing the installation and fixing of the screw rod 5, the staff can cover the protective sleeve 8 on the plug rod body 2 from the lower end, so that the protective sleeve 8 moves to the upper end of the plug rod body 2 to match the protective cover 17, and then the threaded rod 19 on the protective sleeve 8 passes through the corresponding auxiliary hole 18, and then the auxiliary nut 20 is threadedly connected to the threaded rod 1 9, complete the connection and assembly work of the protective cover 17 and the protective sleeve 8, so that the protection work can be better completed. At this time, the multiple screw rods 10 on the protective ring 9 can pass through the corresponding through holes 11 respectively, and the corresponding elastic gaskets 16 and protective nuts 12 are respectively located at the two ends of the cross arm 1. The staff can rotate the multiple protective nuts 12 to use the elastic gaskets 16 to press against the cross arm 1 to complete the auxiliary fixing work, thereby making the connection between the plug rod body 2 and the cross arm 1 more firm and there will be no falling problem. At the same time, the staff can rotate the protective nuts 12 at the corresponding position according to the angle of the plug rod body 2 after installation, and then drive the protective ring 9 to fine-tune the angle through the rolling ball 15 and the connecting seat 13, so that the plug rod body 2 can be adjusted to a vertical state, and there is no need to repeatedly disassemble the plug rod body 2 for adjustment, which is very convenient for the staff to use.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A continuous casting refractory stopper rod anti-disconnection device, comprising a cross arm (1) and a stopper rod body (2), characterized in that: The cross arm (1) is provided with a through opening (3), and a screw opening (4) is provided on a side wall of the plug rod body (2) close to the cross arm (1). A screw rod (5) is connected to the inner thread of the screw opening (4). The screw rod (5) is arranged to pass through the through opening (3). Two mounting nuts (6) are threadedly connected to the screw rod (5). The two mounting nuts (6) are respectively arranged on both sides of the cross arm (1). The screw rod (5) is sleeved with two washers (7). The two washers (7) are respectively arranged to fit the side walls of the cross arm (1). The plug rod body (2) is sleeved with a protective sleeve (8). The inner wall of the protective sleeve (8) is arranged in a conical shape. A protective ring (9) is fixedly connected to the outer wall of the protective sleeve (8). A plurality of protective components are arranged on the protective ring (9).

2. A continuous casting refractory plug rod anti-disconnection device according to claim 1, characterized in that: The protection assembly comprises a screw rod (10) arranged on the upper end surface of the protection ring (9), the cross arm (1) is provided with a through hole (11), the screw rod (10) is arranged to pass through the through hole (11), and two protection nuts (12) are threadedly connected to the screw rod (10), and the two protection nuts (12) are respectively located on both sides of the cross arm (1).

3. A continuous casting refractory plug rod anti-disconnection device according to claim 2, characterized in that: A connecting seat (13) is fixedly connected to the upper end surface of the protective ring (9), a spherical groove (14) is provided on a side wall of the connecting seat (13) away from the protective ring (9), a rolling ball (15) is provided in the spherical groove (14), and the rolling ball (15) is arranged on the screw rod (10).

4. A continuous casting refractory plug rod anti-disconnection device according to claim 2, characterized in that: Two elastic washers (16) are sleeved on the screw rod (10), and the two elastic washers (16) are respectively arranged on two sides of the cross arm (1).

5. The continuous casting refractory plug rod anti-disconnection device according to claim 1, characterized in that: A protective cover (17) is provided on the upper end surface of the protective sleeve (8), and a plurality of auxiliary holes (18) are provided on the protective cover (17). Threaded rods (19) penetrate through the plurality of auxiliary holes (18), and the plurality of threaded rods (19) are fixedly connected to the protective sleeve (8). An auxiliary nut (20) is threadedly connected to one end of the plurality of threaded rods (19) away from the protective sleeve (8).

6. The continuous casting refractory plug rod anti-disconnection device according to claim 1, characterized in that: The protective sleeve (8) and the protective ring (9) are integrally formed.

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