CN217433037U

CN217433037U - Gas joint structure for butt joint of ladle car and ladle

Info

Publication number: CN217433037U
Application number: CN202220993851.0U
Authority: CN
Inventors: 翟乃波; 孟宪永; 张永亮; 吕英军; 李海洋; 尚现华; 周长栋; 李军辉; 房向阳; 亓立群
Original assignee: Shandong Taishan Steel Group
Current assignee: Shandong Taishan Steel Group
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-09-16
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a gas connection structure for buggy ladle and ladle butt joint, buggy ladle, ladle bucket, be equipped with the mounting panel on the buggy ladle, mounting panel central point puts and is equipped with joint design, joint design includes mounting groove, joint piston, intake pipe, spring, the mounting groove is the cylindrical heavy groove that sets up of mounting panel plane indent, and sliding connection in the mounting groove is arranged in to the joint piston, connects the piston and is provided with the intake pipe along the axis, intake pipe downwardly extending is worn out by the mounting groove bottom, and the intake pipe bottom is used for connecting the air supply. The utility model discloses the gas joint design of buggy ladle and ladle butt joint can be when needs are connected the trachea and are carried out argon bottom-blowing, carries out good combination with joint design and ladle total trachea automatically, has avoided the dangerous operation of artifical connection to because this joint design sets up in the bottom of ladle bucket, compare and set up at the lateral part in prior art, effectively reduce sealed degree of difficulty, owing to be equipped with sealed rubber ring, effectively avoid gas leakage.

Description

Gas joint structure for butt joint of ladle car and ladle

Technical Field

The utility model relates to a buggy ladle technical field specifically indicates a gas joint structure that is used for buggy ladle and ladle to dock.

Background

The buggy ladle is a specially-customized carrying device, is a rail car which takes a rail as a running route and is used for transporting a specific high-temperature ladle in a factory, and is always favored by the smelting processing industry. The ladle car is generally used for transporting molten steel and steel slag which are just discharged from a furnace, and the materials are characterized by high temperature which can reach over 600 ℃ generally.

In a steel-making system in the metallurgical industry, in order to ensure the purity of molten steel, argon is adopted for bottom blowing so as to enable impurities in the molten steel to float, a gas pipe is always connected with a joint insertion pipe outside a ladle barrel manually, the labor intensity of workers is high, the environmental temperature is high and the danger is high due to the influence of liquid molten steel, and the accidents that the workers are scalded by the liquid molten steel are frequent. In recent years, a vertical automatic butt joint device is generally adopted, and is large in size, influenced by the design of the device, installed at a 45-degree angle position of a ladle body of a ladle barrel, high in butt joint precision is required, the gap deviation is less than 20mm, air leakage is serious after butt joint of the device, argon cost waste is caused, and the argon blowing effect of molten steel is poor.

Therefore, a gas joint structure for ladle car-to-ladle docking is urgently studied to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provides a simple structure, and the practicality is strong, and airtight effectual when butt joint, the automatic butt joint of being convenient for, a gas joint structure that is used for buggy ladle and ladle to dock that excellent in use effect.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a gas joint structure for buggy ladle and ladle butt joint, buggy ladle, ladle barrel, be equipped with the mounting panel on the buggy ladle, mounting panel central point puts and is equipped with the joint design, the joint design includes mounting groove, joint piston, intake pipe, spring, the mounting groove is the cylindrical heavy groove of mounting panel plane indent setting, and the joint piston is arranged in mounting groove sliding connection, and the joint piston is provided with the intake pipe along the axis, intake pipe downwardly extending is worn out by the mounting groove bottom, and the intake pipe bottom is used for connecting the air supply, the spring is around locating in the intake pipe and be located between joint piston and the mounting groove bottom.

Furthermore, a funnel-shaped conical outlet is formed at the connecting part of the top of the air inlet pipe and the street piston.

Furthermore, the upper plane of the joint piston is provided with a sealing rubber ring, the upper plane of the joint piston is provided with a circular ring-shaped invagination groove, the inner wire groove is positioned on the outer side of the conical outlet, and the sealing rubber ring is arranged in the invagination groove.

Furthermore, trunnions are arranged on two sides of the outer portion of the ladle barrel, and supporting seats capable of lifting are arranged on two sides of the buggy ladle.

Further, the inside ladle air brick that is equipped with of ladle bucket is equipped with the ladle bronchus in the ladle air brick, and a plurality of ladle bronchus communicate to ladle main gas pipe, ladle main gas pipe is used for being connected with joint design.

Further, the inner diameter of the spring is 76mm, the wire diameter of the spring is 10mm, and the length of the spring is 260 mm.

Furthermore, the sealing rubber ring is made of fluororubber and has the specification of phi 90 multiplied by phi 100 multiplied by 5.7 mm.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses the gas joint design of buggy ladle and ladle butt joint can be when needs are connected the trachea and are carried out argon bottom-blowing, carries out good combination with joint design and ladle total trachea automatically, has avoided the dangerous operation of artifical connection to because this joint design sets up in the bottom of ladle bucket, compare and set up at the lateral part in prior art, effectively reduce sealed degree of difficulty, owing to be equipped with sealed rubber ring, effectively avoid gas leakage.

Drawings

Fig. 1 is a schematic structural view of a gas joint structure for butt joint of a buggy ladle and a ladle of the present invention.

Fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

As shown in the figure: 1. carrying out buggy ladle; 2. a ladle barrel; 3. mounting a plate; 4. a joint structure; 5. mounting grooves; 6. a joint piston; 7. an air inlet pipe; 8. a spring; 9. a conical outlet; 10. sealing the rubber ring; 11. an invagination groove; 12. a trunnion; 13. a supporting seat; 14. a steel ladle air brick; 15. a steel ladle bronchus; 16. a steel ladle main gas pipe.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The utility model provides a gas joint structure for buggy ladle and ladle butt joint, buggy ladle 1, ladle barrel 2, be equipped with mounting panel 3 on the buggy ladle 1, 3 central points on the mounting panel put and are equipped with joint design 4, joint design 4 includes mounting groove 5, joint piston 6, intake pipe 7, spring 8, mounting groove 5 is the cylindrical heavy groove of the 3 plane indent settings of mounting panel, connects piston 6 and arranges sliding connection in mounting groove 5 in, connects piston 6 and is provided with intake pipe 7 along the axis, intake pipe 7 downwardly extending is worn out by mounting groove 5 bottom, and intake pipe 7 bottom is used for connecting the air supply, spring 8 is around locating in intake pipe 7 and being located between joint piston 6 and the 5 bottoms of mounting groove, spring 8 internal diameter is 76mm, and spring 8 line diameter 10mm, length are 260 mm. As shown in fig. 1, the device is arranged at the bottom of a ladle barrel 2, and can be automatically connected with a joint piston 6 when the ladle barrel 2 falls down, so that the aim of automatic connection is fulfilled; secondly, set up to ladle 2 ladle body 45 angular position among the prior art usually, it is difficult in order to realize automatic butt joint, and the butt joint degree of difficulty is big to sealed effect is also not good.

The two sides of the ladle carriage 1 of the device are provided with a lifting support seat 13, the two sides of the outside of the ladle barrel 2 are provided with trunnions 12, the ladle barrel 2 can be rotatably supported on the support seat 13 through the trunnions 12 at the two sides, when in actual use, the ladle 2 can be lifted and turned over by a lifting appliance such as an external crane and the like so as to pour out the molten steel conveniently, and because the ladle 2 is kept vertical under the action of gravity in a free state, so that, when the ladle 2 is required to be connected with the joint structure, the connection accuracy can be improved, when argon bottom blowing is required, the ladle 2 is freely kept upright and slowly falls down through the support seat 13, and, the inside ladle gas permeable brick 14 that is equipped with of ladle bucket 2, be equipped with ladle bronchus 15 in the ladle gas permeable brick 14, a plurality of ladle bronchus 15 communicate to ladle main gas pipe 16, ladle main gas pipe 16 is used for being connected with the joint design. The steel ladle main gas pipe 16 contacts the joint piston 6 during falling and completely falls on the mounting plate 3 during falling, so that the joint piston 6 is pressed downwards to enable the gas inlet pipe 7 to be communicated with the steel ladle main gas pipe 16, further, in order to improve the fault-tolerant rate and avoid the dislocation of the gas inlet pipe 7 and the steel ladle main gas pipe 16 caused by small deflection, a funnel-shaped conical outlet 9 is formed at the connecting part of the top of the gas inlet pipe 7 and the street piston, and the size of the interface end of the gas inlet pipe 7 is actually enlarged by the conical outlet 9, which is beneficial to ensuring the communication between the gas inlet pipe 7 and the steel ladle main gas pipe 16; secondly, because the slag at the joint of the ladle main gas pipe 16 needs to be purged before the joint is connected, the funnel-shaped conical outlet 9 can also enlarge the purging area and prepare for sealing connection.

Further, connect the piston 6 to go up the plane and be equipped with sealed rubber ring 10, connect the piston 6 to go up the plane and be equipped with ring form invagination groove 11, interior wire slot position is in the 9 outsides of toper export, and sealed rubber ring 10 is installed in invagination groove 11. When the joint piston 6 contacts the bottom of the ladle barrel 2, the sealing effect of the joint is effectively improved through the sealing rubber ring 10, the sealing rubber ring 10 is made of fluororubber and has the high-temperature resistance, and the specification is phi 90 multiplied by phi 100 multiplied by 5.7 mm.

The present invention and the embodiments thereof have been described above, but the present invention is not limited thereto, and the embodiments shown in the detailed description are only some examples, not all examples, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A gas joint structure for butt joint of a ladle car (1) and a ladle, the ladle car (1) and a ladle barrel (2), it is characterized in that the buggy ladle (1) is provided with a mounting plate (3), the center of the mounting plate (3) is provided with a joint structure (4), the joint structure (4) comprises a mounting groove (5), a joint piston (6), an air inlet pipe (7) and a spring (8), the mounting groove (5) is a cylindrical sinking groove which is concavely arranged on the plane of the mounting plate (3), the joint piston (6) is arranged in the mounting groove (5) and is connected with the mounting groove in a sliding way, the joint piston (6) is provided with an air inlet pipe (7) along the axis, the air inlet pipe (7) extends downwards and penetrates out of the bottom of the mounting groove (5), the bottom of the air inlet pipe (7) is used for connecting an air source, and the spring (8) is wound on the air inlet pipe (7) and is positioned between the joint piston (6) and the bottom of the mounting groove (5).

2. The gas joint structure for the butt joint of the ladle car (1) and the ladle according to claim 1, wherein the top of the gas inlet pipe (7) and the joint of the street piston are formed with a funnel-shaped conical outlet (9).

3. The gas joint structure for the butt joint of the ladle car (1) and the ladle as claimed in claim 2, wherein the sealing rubber ring (10) is arranged on the upper plane of the joint piston (6), the annular invagination groove (11) is arranged on the upper plane of the joint piston (6), the inner wire groove is positioned outside the conical outlet (9), and the sealing rubber ring (10) is arranged in the invagination groove (11).

4. A gas joint structure for the butt joint of a ladle car (1) and a ladle according to any one of claims 1-3, characterized in that trunnions (12) are arranged at two sides of the outer part of the ladle barrel (2), and a support seat (13) capable of lifting is arranged at two sides of the ladle car (1).

5. The gas joint structure for the butt joint of the ladle car (1) and the ladle as claimed in claim 4, wherein the ladle barrel (2) is internally provided with a ladle gas permeable brick (14), a ladle branch gas pipe (15) is arranged in the ladle gas permeable brick (14), the plurality of ladle branch gas pipes (15) are communicated to a ladle main gas pipe (16), and the ladle main gas pipe (16) is used for being connected with the joint structure.

6. A gas joint construction for docking a buggy ladle (1) with a ladle according to claim 2, characterised in that the spring (8) has an internal diameter of 76mm, the spring (8) has a wire diameter of 10mm and a length of 260 mm.

7. A gas joint structure for docking of buggy ladle (1) with ladle according to claim 3, characterized in that the sealing rubber ring (10) is made of fluororubber with specification Φ 90 x Φ 100 x 5.7 mm.