CN211161905U

CN211161905U - Stopper rod body with long service life

Info

Publication number: CN211161905U
Application number: CN201921807408.4U
Authority: CN
Inventors: 张美杰; 周九喜; 高桂航; 钱晓飞; 宋振亚; 姚孟柔
Original assignee: Taizhou City Wangxin Refractory Material Co ltd
Current assignee: Taizhou City Wangxin Refractory Material Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-04
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a stopper rod body with long service life, including the tundish, the bottom of tundish is provided with the mouth of a river, one side fixedly connected with drive case of tundish. This stopper body with long service life, it rotates to drive the initiative dish through the motor, the initiative dish drives first driven plate and rotates, first driven plate drives the rack and reciprocates, the rack drives the connecting rod and reciprocates, the connecting rod drives the crossbeam and reciprocates, the crossbeam drives the stopper stick through fixed plate and fixed block and reciprocates, because the rack reciprocates between first driven plate and second driven plate, thereby can guarantee stopper stick vertical migration from top to bottom, the stopper stick passes through screw rod and excellent head threaded connection simultaneously, make to connect inseparabler, whole device simple structure, high durability and convenient use, the stopper stick is difficult to the deviation of taking place at the in-process that reciprocates, the accuse flow property has been guaranteed, and excellent head and stopper stick threaded connection are inseparabler, it is more convenient to change and maintain, the life of stopper stick has been improved.

Description

Stopper rod body with long service life

Technical Field

The utility model relates to a steelmaking equipment technical field specifically is a stopper stick body that practical life is long.

Background

The stopper rod is a refractory material rod which is arranged in a steel barrel and controls the opening and closing of a water gap and the flow of molten steel by lifting displacement, and is also called a ceramic stopper rod. It consists of a rod core, sleeve bricks and stopper bricks. The rod core is usually formed by processing plain carbon steel round steel with the diameter of 30-60 mm, the upper end of the rod core is connected with a cross arm of the lifting mechanism through a bolt, the stopper rod needs to be carefully built and is used after being baked and dried for more than 48 hours, and therefore the steel leakage accident caused by the burst of the refractory material is avoided. The stopper mechanism consists of an electric actuator, a clamp arm, a stopper and a set of liquid level detection and control system. The electric actuator is arranged on the tundish and is connected with the stopper rod into a whole through the clamp arm. The stopper rod is composed of a steel pipe wrapped by refractory materials, is matched with the tundish nozzle pocket brick, is driven by an electric actuator to do vertical linear motion, and changes the flow of molten steel by changing the opening degree of the stopper rod and the tundish nozzle brick. The stopper rod head and the stopper rod of the stopper rod used at present are not tightly connected, the stopper rod head is easy to damage and fall under the scouring of molten steel, the maintenance and the replacement are difficult, the service life of the stopper rod is seriously influenced, and the stopper rod is easy to generate deviation in the process of moving up and down, so that a water gap cannot be completely closed, and the flow control performance is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stopper stick body of practical long-life to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stopper rod body with long service life comprises a tundish, wherein a water gap is arranged at the bottom of the tundish, a driving box is fixedly connected to one side of the tundish, a motor is arranged in the driving box, the bottom of the motor is fixedly connected with the inner wall of the bottom of the driving box through a base, a rotating shaft of the motor is in transmission connection with one side of a driving disc, a first driven disc is arranged at one side of the driving disc and is fixedly connected with the inner wall of the driving box through a fixed shaft, a rack is arranged at the other side of the first driven disc, a second driven disc is arranged at the other side of the rack and is fixedly connected with the inner wall of the driving box through a fixed shaft, a lower limiting plate is fixedly connected to the bottom end of the rack, the top end of the rack is fixedly connected with the bottom of an upper limiting plate, and the top of the upper limiting plate is fixedly connected with the bottom end of a connecting rod, the top of connecting rod runs through the top of drive case, and extends to the outside of drive case and the bottom fixed connection of connecting block, one side of connecting block and the one end fixed connection of crossbeam, the other end of crossbeam and one side sliding connection of fixed column, the bottom of fixed column and the top fixed connection of centre package, the bottom fixedly connected with fixed plate of crossbeam, the bottom of fixed plate and the top fixed connection of fixed block, the below fixedly connected with stopper rod of fixed block, the bottom of stopper rod is provided with the screw rod, and the stopper rod passes through screw rod and stick head threaded connection, the stopper rod is provided with the articulamentum with the junction of stick head.

Preferably, the driving disc and the first driven disc are both provided with teeth, and the driving disc is meshed with the teeth on the first driven disc through the teeth.

Preferably, teeth are arranged on both sides of the rack and the second driven disc, and both sides of the rack are respectively meshed with the first driven disc and the second driven disc through the teeth.

Preferably, the two sides of the fixing block are provided with fixing bolts, and the fixing block is fixedly connected with the top end of the stopper rod through the fixing bolts.

Preferably, the inside of the rod head is provided with a thread groove, and the rod head is in threaded connection with the screw at the bottom of the stopper rod through the thread groove.

Compared with the prior art, the beneficial effects of the utility model are that: this practical long-life stopper stick body, it rotates to drive the initiative dish through the motor, the initiative dish drives first driven plate and rotates, first driven plate drives the rack and reciprocates, the rack drives the connecting rod and reciprocates, the connecting rod drives the crossbeam and reciprocates, the crossbeam drives the stopper stick through fixed plate and fixed block and reciprocates, because the rack reciprocates between first driven plate and second driven plate, can guarantee connecting rod and crossbeam vertical migration from top to bottom like this, thereby can guarantee stopper stick vertical migration from top to bottom, the stopper stick passes through screw rod and excellent head threaded connection simultaneously, make to connect inseparabler, whole device simple structure, high durability and convenient use, the stopper stick is difficult to the deviation at the in-process that reciprocates, the accuse flow performance has been guaranteed, and excellent head and stopper stick threaded connection are inseparabler, it is more convenient to change and maintain, the life of stopper stick has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural side view of the driving plate of the present invention;

fig. 3 is a schematic structural view of the stopper rod of the present invention.

In the figure: 1. a tundish; 2. a water gap; 3. a drive box; 4. a motor; 5. a base; 6. a driving disk; 7. a first driven disk; 8. a fixed shaft; 9. a rack; 10. a second driven disk; 11. a lower limiting plate; 12. an upper limiting plate; 13. a connecting rod; 14. connecting blocks; 15. a cross beam; 16. fixing a column; 17. a fixing plate; 18. a fixed block; 19. a stopper rod; 20. a screw; 21. a rod head; 22. a connecting layer; 23. teeth; 24. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a stopper body with long service life comprises a tundish 1, a water gap 2 is arranged at the bottom of the tundish 1, a driving box 3 is fixedly connected with one side of the tundish 1, a motor 4 is arranged inside the driving box 3, the bottom of the motor 4 is fixedly connected with the inner wall of the bottom of the driving box 3 through a base 5, a rotating shaft of the motor 4 is in transmission connection with one side of a driving disc 6, a first driven disc 7 is arranged at one side of the driving disc 6, the first driven disc 7 is fixedly connected with the inner wall of the driving box through a fixed shaft 8, teeth 23 are arranged on the driving disc 6 and the first driven disc 7, the driving disc 6 is meshed with the teeth 23 on the first driven disc 7 through the teeth 23, a rack 9 is arranged at the other side of the first driven disc 7, a second driven disc 10 is arranged at the other side of the rack 9, and the second driven disc 10 is fixedly connected with the inner wall of the driving box 3 through the fixed shaft 8, teeth 23 are arranged on two sides of a rack 9 and a second driven disc 10, two sides of the rack 9 are respectively meshed with a first driven disc 7 and the second driven disc 10 through the teeth 23, a lower limiting plate 11 is fixedly connected with the bottom end of the rack 9, the top end of the rack 9 is fixedly connected with the bottom of an upper limiting plate 12, the top end of the upper limiting plate 12 is fixedly connected with the bottom end of a connecting rod 13, the top end of the connecting rod 13 penetrates through the top of a driving box 3 and extends to the outer side of the driving box 3 to be fixedly connected with the bottom of a connecting block 14, one side of the connecting block 14 is fixedly connected with one end of a cross beam 15, the other end of the cross beam 15 is slidably connected with one side of a fixed column 16, the bottom of the fixed column 16 is fixedly connected with the top of a tundish 1, a fixed plate 17 is fixedly connected with the bottom of the cross beam 15, the bottom end of the fixed plate 17 is fixedly, fixing bolts 24 are arranged on two sides of a fixing block 18, the fixing block 18 is fixedly connected with the top end of a stopper rod 19 through the fixing bolts 24, a screw rod 20 is arranged at the bottom of the stopper rod 19, the stopper rod 19 is in threaded connection with a rod head 21 through the screw rod 20, a thread groove is arranged inside the rod head 21, the rod head 21 is in threaded connection with the screw rod 20 at the bottom of the stopper rod 19 through the thread groove, a connecting layer 22 is arranged at the joint of the stopper rod 19 and the rod head 21, the motor 4 is externally controlled and powered in the using process, the motor 4 drives a driving disc 6 to rotate, the driving disc 6 drives a first driven disc 7 to rotate, the first driven disc 7 drives a rack 9 to move up and down, the rack 9 drives a connecting rod 13 to move up and down, the connecting rod 13 drives a cross beam 15 to move up and down, the cross beam 15 drives the stopper rod 19 to move up and down through the fixing block 17 and the fixing block 18, can guarantee connecting rod 13 and crossbeam 15 vertical migration from top to bottom like this to can guarantee stopper rod 19 vertical migration from top to bottom, stopper rod 19 passes through screw rod 20 and stick head 21 threaded connection simultaneously, make to connect inseparabler, whole device simple structure, high durability and convenient use, stopper rod 19 is difficult to the emergence deviation at the in-process that reciprocates, has guaranteed accuse and has flowed the performance, and stick head 21 and stopper rod 19 threaded connection are inseparabler, it is more convenient to change and maintain, has improved stopper rod 19's life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stopper rod body with long service life comprises a tundish (1) and is characterized in that: a water gap (2) is arranged at the bottom of the tundish (1), a driving box (3) is fixedly connected to one side of the tundish (1), a motor (4) is arranged in the driving box (3), the bottom of the motor (4) is fixedly connected with the inner wall of the bottom of the driving box (3) through a base (5), a rotating shaft of the motor (4) is in transmission connection with one side of a driving disc (6), a first driven disc (7) is arranged on one side of the driving disc (6), the first driven disc (7) is fixedly connected with the inner wall of the driving box through a fixed shaft (8), a rack (9) is arranged on the other side of the first driven disc (7), a second driven disc (10) is arranged on the other side of the rack (9), the second driven disc (10) is fixedly connected with the inner wall of the driving box (3) through the fixed shaft (8), a lower limiting plate (11) is fixedly connected to the bottom end of the rack (9), the top end of the rack (9) is fixedly connected with the bottom of the upper limiting plate (12), the top of the upper limiting plate (12) is fixedly connected with the bottom end of the connecting rod (13), the top end of the connecting rod (13) penetrates through the top of the driving box (3) and extends to the outer side of the driving box (3) to be fixedly connected with the bottom of the connecting block (14), one side of the connecting block (14) is fixedly connected with one end of a cross beam (15), the other end of the cross beam (15) is slidably connected with one side of a fixing column (16), the bottom of the fixing column (16) is fixedly connected with the top of the middle bag (1), the bottom of the cross beam (15) is fixedly connected with a fixing plate (17), the bottom end of the fixing plate (17) is fixedly connected with the top of the fixing block (18), a stopper rod (19) is fixedly connected below the fixing block (18), and a screw rod (20) is arranged at the bottom of the stopper, the stopper rod (19) is in threaded connection with the rod head (21) through a screw rod (20), and a connecting layer (22) is arranged at the joint of the stopper rod (19) and the rod head (21).

2. A stopper body of long useful life according to claim 1, wherein: the driving disc (6) and the first driven disc (7) are both provided with teeth (23), and the driving disc (6) is meshed with the teeth (23) on the first driven disc (7) through the teeth (23).

3. A stopper body of long useful life according to claim 1, wherein: teeth (23) are arranged on both sides of the rack (9) and the second driven disc (10), and both sides of the rack (9) are respectively meshed with the first driven disc (7) and the second driven disc (10) through the teeth (23).

4. A stopper body of long useful life according to claim 1, wherein: and fixing bolts (24) are arranged on two sides of the fixing block (18), and the fixing block (18) is fixedly connected with the top end of the stopper rod (19) through the fixing bolts (24).

5. A stopper body of long useful life according to claim 1, wherein: the interior of the rod head (21) is provided with a thread groove, and the rod head (21) is in threaded connection with a screw rod (20) at the bottom of the stopper rod (19) through the thread groove.