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CN-224229513-U - Protective argon blowing joint for steel ladle

CN224229513UCN 224229513 UCN224229513 UCN 224229513UCN-224229513-U

Abstract

The utility model discloses an argon blowing connector for a protective steel ladle, which comprises an upper connector and a protective cover arranged on the outer side of the upper connector, wherein the bottom of the upper connector is detachably connected with a lower connector, the upper connector and the protective cover are connected to the bottom of the steel ladle, two sides of the protective cover are connected with guide plates, the guide plates are connected with a connecting mechanism for stably connecting the upper connector and the lower connector, the connecting mechanism comprises two positioning plates, two U-shaped rods and four springs, the positioning plates are movably connected in the guide plates, the U-shaped rods are used for driving the positioning plates to reciprocate, the springs are used for driving the positioning plates to move towards the direction close to the lower connector, and positioning grooves matched with the end parts of the positioning plates are arranged on the outer side of the lower connector. According to the utility model, the bottom of the upper joint is plugged, so that the invasion of external impurities is effectively prevented, the hidden danger of plugging is avoided, the inside of the upper joint is well protected, and the upper joint is effectively prevented from being damaged by being matched with the protective cover.

Inventors

  • XU RUIHUA

Assignees

  • 扬中市第一蝶阀厂有限公司

Dates

Publication Date
20260512
Application Date
20250522

Claims (8)

  1. 1. The utility model provides a protection type argon blowing joint for ladle, includes upper joint (10) and sets up in protection casing (1) in the upper joint (10) outside, and the bottom of upper joint (10) can be dismantled and be connected with lower joint (3), a serial communication port, upper joint (10), protection casing (1) are connected in the ladle bottom, the both sides of protection casing (1) are connected with deflector (2), deflector (2) are connected with the coupling mechanism that links to each other firm for upper joint (10) and lower joint (3), coupling mechanism includes two locating plates (8), two U-shaped pole (6), four springs (14), locating plate (8) movable connection is in deflector (2), U-shaped pole (6) are used for driving locating plate (8) reciprocating motion, spring (14) are used for driving locating plate (8) to be close to lower joint (3) direction removal, the outside of lower joint (3) be provided with locating plate (8) tip assorted constant head tank (12).
  2. 2. The argon blowing joint for the protective steel ladle according to claim 1, wherein a sealing surface (11) is arranged on the inner side of the upper joint (10), and the lower joint (3) is pressed on the sealing surface (11).
  3. 3. The argon blowing joint for the protective steel ladle according to claim 1, wherein the connecting mechanism further comprises two jacking surfaces (15), two connecting surfaces (16) and two inclined planes I (7), the inclined planes I (7) are arranged at the bottom of the positioning plate (8), the connecting surfaces (16) and the jacking surfaces (15) are arranged at the end parts of the positioning plate (8), and the connecting surfaces (16) are connected with the jacking surfaces (15) and the inclined planes I (7).
  4. 4. A protective argon blowing joint for steel ladles according to claim 3, characterized in that the positioning groove (12) is provided with a second inclined surface (17), and the second inclined surface (17) is matched with the jacking surface (15).
  5. 5. A protective argon blowing joint for steel ladles as claimed in claim 3, wherein the first inclined surface (7) is a smooth surface.
  6. 6. The argon blowing joint for the protective steel ladle according to claim 1, wherein a chute (13) is arranged in the guide plate (2), and the positioning plate (8) is connected with the chute (13) in a sliding way.
  7. 7. The argon blowing joint for the protective steel ladle as claimed in claim 6, wherein the spring (14) is positioned in the chute (13), the spring (14) is sleeved on the U-shaped rod (6), and two ends of the spring (14) are connected with the positioning plate (8) and the guide plate (2).
  8. 8. The argon blowing joint for the protective steel ladle according to claim 1, wherein two inserting rods (4) are connected to the outer side of the lower joint (3), a socket (5) is connected to the bottom of the guide plate (2), a slot (9) is arranged in the socket (5), and the slot (9) is matched with the inserting rods (4).

Description

Protective argon blowing joint for steel ladle Technical Field The utility model relates to the technical field of argon blowing connectors, in particular to a protective argon blowing connector for a steel ladle. Background The ladle argon blowing treatment is also called molten steel argon blowing treatment, and is a simple external refining method for molten steel degassing and nonmetallic inclusion removal. The surrounding molten steel is driven by buoyancy force, so that the molten steel flows in the ladle, thereby accelerating the melting of alloy, solvent and the like added in the molten steel, promoting the uniformity of the components and the temperature of the molten steel and the floating of inclusions, removing nonmetallic inclusions and harmful gases in the steel and achieving the purpose of refining the molten steel. The argon blowing joint is one of important structures in ladle argon blowing treatment, comprises an upper joint and a lower joint, is usually fixed in a bolt connection mode, and when the lower joint finishes the disassembling action, the bottom of the upper joint is in an open state, external impurities can invade the upper joint, so that a blocking phenomenon is easily caused, and the steelmaking efficiency is influenced. The outer side of the upper joint is exposed outside, so that the upper joint is greatly damaged when being impacted accidentally, and the service life of the upper joint is shortened. Disclosure of utility model The utility model aims to provide the argon blowing connector for the protective steel ladle, which can be used for plugging the bottom of the upper connector, effectively preventing external impurities from invading, avoiding hidden danger of plugging, achieving good protection purpose for the interior of the upper connector, and solving the problems in the prior art by matching with the use of a protective cover and effectively avoiding the damage of the upper connector. The argon blowing connector for the protective steel ladle comprises an upper connector and a protective cover arranged on the outer side of the upper connector, wherein a lower connector is detachably connected to the bottom of the upper connector, the upper connector and the protective cover are connected to the bottom of the steel ladle, guide plates are connected to two sides of the protective cover, the guide plates are connected with a connecting mechanism for firmly connecting the upper connector and the lower connector, the connecting mechanism comprises two locating plates, two U-shaped rods and four springs, the locating plates are movably connected into the guide plates, the U-shaped rods are used for driving the locating plates to reciprocate, the springs are used for driving the locating plates to move towards the direction close to the lower connector, and locating grooves matched with the end parts of the locating plates are formed in the outer side of the lower connector. Preferably, a sealing surface is arranged on the inner side of the upper joint, and the lower joint is pressed on the sealing surface. Preferably, the connecting mechanism further comprises two jacking surfaces, two connecting surfaces and two inclined planes I, wherein the inclined planes I are arranged at the bottom of the positioning plate, the connecting surfaces and the jacking surfaces are arranged at the end parts of the positioning plate, and the connecting surfaces are connected with the jacking surfaces and the inclined planes I. Preferably, the positioning groove is provided with a second inclined plane, and the second inclined plane is matched with the jacking surface. Preferably, the first inclined surface is a smooth surface. Preferably, a chute is arranged in the guide plate, and the positioning plate is connected to the chute in a sliding manner. Preferably, the spring is located in the chute, the spring is sleeved on the U-shaped rod, and two ends of the spring are connected with the positioning plate and the guide plate. Preferably, two inserting rods are connected to the outer side of the lower connector, a socket is connected to the bottom of the guide plate, a slot is arranged in the socket, and the slot is matched with the inserting rods. Compared with the prior art, the utility model has the beneficial effects that the connecting mechanism is arranged to push the lower connector to move upwards, the top of the lower connector and the inclined plane of the locating plate slide relatively, so that the two locating plates are far away from each other, the inserted link is inserted into the socket, the spring is gradually compressed until the end part of the locating plate is pressed on the locating groove when the lower connector is pressed on the upper connector, the lower connector is positioned and locked, and the stability of connecting the lower connector with the upper connector is improved. When dismantling the lower clutch, pulling two U-shaped poles keep away from each