CN211758434U - Tundish stopper adjusting device - Google Patents

Abstract

The utility model discloses a pouring basket stopper rod adjusting device, which comprises a steel ladle, wherein the middle part of the top end of the steel ladle is provided with a pouring basket, one side of the bottom end of the inner wall of the pouring basket is provided with a water gap, the middle part of one end of the steel ladle is provided with a fixing mechanism, the end of a clamping arm of the fixing mechanism is provided with a stopper rod running mechanism, one side of the inner wall of the pouring basket is provided with a fixed column, one end of the fixed column is welded with a driven snap ring, two sides of one end of the driven snap ring are both provided with a fixed clamping groove, the stopper rod can be limited and fixed through the fixed column, the driven snap ring, the fixed clamping groove, the driving snap ring, a fixed clamping block, a telescopic pipe, a telescopic column, an extrusion block and an extrusion groove, when the water gap is repaired, the difficulty of repairing the water gap, is beneficial to improving the safety of the stopper rod during operation.

Description

Tundish stopper adjusting device

Technical Field

The utility model relates to a steel production technical field specifically is a tundish stopper rod adjusting device.

Background

The continuous casting machine is a machine for directly casting liquid molten steel into solid steel billet in steel-making production, and is formed from steel ladle, intermediate ladle, crystallizer, stopper rod mechanism and withdrawal and straightening machine. The stopper mechanism is arranged on the tundish and used for controlling the outflow speed of the molten steel in the tundish. The stopper mechanism generally consists of a control mechanism, a tong arm and a stopper. The stopper rod consists of a steel pipe coated with refractory materials and is used for blocking a water gap at the lower part of the tundish, and the up-and-down movement of the stopper rod mechanism can change the opening degree of the water gap at the lower part of the tundish, so that the flow rate of molten steel is changed;

because the pouring basket mouth of a river adopts refractory material to build by laying bricks or stones and forms, the position of nozzle brick often changes when repairing the package, and its position precision is relatively poor, leads to when installing refractory material, stopper stick head and the difficult centering of nozzle brick, need the manual work to adjust stopper stick mechanism plate pole repeatedly in the installation, and the elapsed time is long, and current stopper stick is after using a period, takes place gliding phenomenon easily, influences the use of conticaster.

SUMMERY OF THE UTILITY MODEL

The utility model provides a middle package stopper stick adjusting device can effectively solve and propose in the above-mentioned background art because the middle package mouth of a river adopts refractory material to build by laying bricks or stones and forms, the position of mouth of a river brick often changes when repairing the package, its position precision is relatively poor, lead to when installing refractory material, stopper stick head and the difficult centering of mouth of a river brick, need the manual work to adjust stopper stick mechanism plate pole repeatedly in the installation, the drain time is long, and current stopper stick is after using a period, the gliding phenomenon takes place easily, influence the problem of the use of conticaster.

In order to achieve the above object, the utility model provides a following technical scheme: a tundish stopper adjusting device comprises a ladle, a tundish is arranged in the middle of the top end of the ladle, a water gap is arranged on one side of the bottom end of the inner wall of the tundish, a fixing mechanism is arranged in the middle of one end of the ladle, a stopper operating mechanism is arranged at the end of a clamping arm of the fixing mechanism, a fixed column is arranged on one side of the inner wall of the tundish, a driven snap ring is welded on one end of the fixed column, fixed clamping grooves are respectively arranged on both sides of one end of the driven snap ring, a telescopic pipe is arranged on the other side of the inner wall of the tundish, which corresponds to the fixed column, a telescopic column is arranged in the telescopic pipe, a limiting sliding groove is arranged at the top of the outer surface of the telescopic pipe, a limiting round block is welded on one end of the telescopic, the extrusion device is characterized in that a driving clamping ring is installed at one end of the extrusion block, fixed clamping blocks are welded on two sides of one end of the driving clamping ring, and an extrusion groove is formed in the middle of the other end of the driving clamping ring.

Preferably, the interface size of the fixed fixture block is the same as the cross-sectional size of the fixed clamp groove, and the fixed fixture block is located inside the fixed clamp groove.

Preferably, the stopper rod is installed to stopper rod operating device bottom, the internal diameter of initiative snap ring is the same with driven snap ring, the internal diameter of initiative snap ring equals the diameter of stopper rod.

Preferably, a screw hole is formed in one side of the top end of the T-shaped limiting block, and a limiting screw is installed inside the screw hole in a threaded engagement mode.

Preferably, one end of the T-shaped limiting block is located inside the limiting sliding groove, and the extruding block is located inside the extruding groove.

Preferably, the inner walls of the driving clamping ring and the driven clamping ring are provided with mounting grooves at equal intervals, and balls are movably mounted inside the mounting grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through fixed column, driven snap ring, fixed slot, initiative snap ring, fixed fixture block, flexible pipe, flexible post, extrusion piece and extrusion groove, can carry out spacing fixed to the stopper rod, when restoreing the mouth of a river, through spacing to the stopper rod, can reduce the restoration degree of difficulty at the mouth of a river, when in-service use, through spacing to the stopper rod, can prevent that gliding phenomenon from appearing in the stopper rod, be favorable to improving the security when the stopper rod moves.

2. Through spacing spout, can carry on spacingly to T type stopper, through the limiting screw who rotates T type stopper installation, can fix flexible post, can reduce the use degree of difficulty of flexible post, be favorable to improving staff's installation effectiveness.

3. Through the roll of ball in the mounting groove, the sliding friction that receives when can reciprocating the stopper rod changes rolling friction into, is favorable to reducing the removal degree of difficulty of stopper rod, is convenient for the staff to the use of stopper rod.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the opening structure of the nozzle of the present invention;

fig. 3 is a schematic structural diagram of the present invention;

fig. 4 is a schematic structural diagram of the present invention;

fig. 5 is a schematic structural diagram of the present invention;

reference numbers in the figures: 1. a ladle; 2. a tundish; 3. a fixing mechanism; 4. a stopper rod operating mechanism; 5. a water gap; 6. fixing a column; 7. a driven snap ring; 8. fixing the clamping groove; 9. an active snap ring; 10. fixing the fixture block; 11. a telescopic pipe; 12. a limiting chute; 13. a telescopic column; 14. a limiting round block; 15. a T-shaped limiting block; 16. a limit screw; 17. extruding the block; 18. extruding a groove; 19. mounting grooves; 20. and a ball.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a technical scheme, a tundish stopper rod adjusting device, including ladle 1, ladle 1 top middle part has seted up tundish 2, tundish 2 inner wall bottom side has seted up the mouth of a river 5, ladle 1 one end middle part is installed fixed establishment 3, fixed establishment 3 tong arm end installs stopper rod running gear 4, stopper rod running gear 4 bottom is installed the stopper rod, the internal diameter of initiative snap ring 9 is the same with driven snap ring 7, the internal diameter of initiative snap ring 9 equals the diameter of stopper rod, be convenient for the staff to the fixed of stopper rod, tundish 2 inner wall side installs fixed column 6, the welding of fixed column 6 one end has driven snap ring 7, driven snap ring 7 one end both sides have all seted up fixed slot 8;

an extension tube 11 is arranged on the other side of the inner wall of the tundish 2 corresponding to the fixed column 6, an extension column 13 is arranged in the extension tube 11, a limiting sliding groove 12 is formed in the top of the outer surface of the extension tube 11, a limiting round block 14 is welded at one end of the extension column 13, an extrusion block 17 is welded at the other end of the extension column 13, a T-shaped limiting block 15 is welded at the top of the outer surface of the limiting round block 14, one end of the T-shaped limiting block 15 is positioned in the limiting sliding groove 12, the extrusion block 17 is positioned in an extrusion groove 18, so that the installation and the use of the active snap ring 9 are facilitated, the use difficulty of the active snap ring 9 is reduced, a screw hole is formed in one side of the top end of the T-shaped limiting block 15, a limiting screw 16 is arranged in the screw hole in a threaded engagement manner, so that the limiting screw, the fixed clamping block 10 is positioned in the fixed clamping groove 8, so that the active clamping ring 9 is convenient to use, the installation difficulty of the active clamping ring 9 is reduced, and the middle part of the other end of the active clamping ring 9 is provided with an extrusion groove 18.

The inner walls of the driving snap ring 9 and the driven snap ring 7 are provided with mounting grooves 19 at equal intervals, and balls 20 are movably mounted inside the mounting grooves 19.

The utility model discloses a theory of operation and use flow: a tundish stopper rod adjusting device is characterized in that in the actual use process, when a worker repairs a water gap 5 of a tundish 2, the stopper rod is replaced, the worker rotates a limit screw 16 to separate the limit screw 16 from a telescopic pipe 11, then the worker moves a T-shaped limit block 15, the T-shaped limit block 15 moves to drive a telescopic column 13 to move, the telescopic column 13 moves to enable an extrusion block 17 welded to the telescopic column 13 to be separated from an extrusion groove 18 formed in a driving clamp ring 9, the worker moves the driving clamp ring 9 to enable a fixed fixture block 10 welded to the driving clamp ring 9 to be separated from a fixed clamp groove 8, after the driving clamp ring 9 is removed, the worker replaces the stopper rod, the replaced stopper rod is plugged into a driven clamp ring 7, then the worker installs the driving clamp ring 9 to enable the fixed fixture block 10 welded to the driving clamp ring 9 to enter the fixed clamp groove 8, after the driving clamp ring 9 is preliminarily fixed, the telescopic column 13 is moved by a worker, so that an extrusion block 17 welded on the telescopic column 13 enters an extrusion groove 18, at the moment, the worker rotates a limit screw 16 to fix the telescopic column 13, the driving snap ring 9 can be supported by fixing the telescopic column 13, the stopper can be limited and fixed by matching the driving snap ring 9 with the driven snap ring 7, after the stopper is fixed, the worker moves the stopper upwards and repairs the water gap 5, so that the stopper head is positioned at the center of the water gap 5, the use of the stopper by the worker is facilitated, and when the stopper is used, the stopper can be more stably operated by limiting the stopper, the sliding phenomenon of the stopper during use is prevented, and the safety of the stopper during operation is improved;

the T-shaped limiting block 15 can be limited through the limiting sliding groove 12, the T-shaped limiting block 15 can move more stably, the telescopic column 13 can be fixed by rotating the limiting screw 16 installed on the T-shaped limiting block 15, the use difficulty of the telescopic column 13 can be reduced, and the installation efficiency of workers can be improved;

in the process that the stopper rod moves up and down, the sliding friction force received by the stopper rod when moving can be changed into rolling friction force through the rolling of the ball 20 in the mounting groove 19, so that the moving difficulty of the stopper rod is reduced, and the use of the stopper rod by a worker is facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a middle package stopper stick adjusting device which characterized in that: the steel ladle comprises a steel ladle (1), wherein a tundish (2) is arranged in the middle of the top end of the steel ladle (1), a water gap (5) is arranged on one side of the bottom end of the inner wall of the tundish (2), a fixing mechanism (3) is arranged in the middle of one end of the steel ladle (1), a stopper rod operating mechanism (4) is arranged at the clamp arm end of the fixing mechanism (3), a fixing column (6) is arranged on one side of the inner wall of the tundish (2), a driven snap ring (7) is welded at one end of the fixing column (6), fixing clamping grooves (8) are respectively arranged on two sides of one end of the driven snap ring (7), a telescopic pipe (11) is arranged on the other side of the inner wall of the tundish (2) corresponding to the fixing column (6), a telescopic column (13) is arranged inside the telescopic pipe (11), a limiting sliding, the welding of flexible post (13) other end has extrusion piece (17), the welding of spacing disk (14) surface top has T type stopper (15), stop screw (16) are installed to T type stopper (15) top one side, initiative snap ring (9) is installed to extrusion piece (17) one end, fixed fixture block (10) have all been welded to initiative snap ring (9) one end both sides, extrusion groove (18) have been seted up at initiative snap ring (9) other end middle part.

2. A tundish stopper rod adjustment device according to claim 1, wherein: the interface size of the fixed clamping block (10) is the same as the section size of the fixed clamping groove (8), and the fixed clamping block (10) is located inside the fixed clamping groove (8).

3. A tundish stopper rod adjustment device according to claim 1, wherein: the stopper rod is installed to stopper rod operating device (4) bottom, the internal diameter of initiative snap ring (9) and driven snap ring (7) is the same, the internal diameter of initiative snap ring (9) equals the diameter of stopper rod.

4. A tundish stopper rod adjustment device according to claim 1, wherein: screw rod hole has been seted up to T type stopper (15) top one side, and screw rod downthehole portion screw thread meshing installs stop screw (16).

5. A tundish stopper rod adjustment device according to claim 1, wherein: one end of the T-shaped limiting block (15) is located inside the limiting sliding groove (12), and the extruding block (17) is located inside the extruding groove (18).

6. A tundish stopper rod adjustment device according to claim 1, wherein: the driving snap ring (9) and the driven snap ring (7) are provided with mounting grooves (19) at equal intervals on the inner walls, and balls (20) are movably mounted inside the mounting grooves (19).

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