CN201603871U

CN201603871U - Automatic connecting device for steel ladle bottom blowing argon

Info

Publication number: CN201603871U
Application number: CN2010201438260U
Authority: CN
Inventors: 赵继华
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-29
Filing date: 2010-03-29
Publication date: 2010-10-13
Anticipated expiration: 2020-03-29

Abstract

An automatic connecting device for steel ladle bottom blowing argon comprises a female connector and a male connector; a ventilating channel is formed in a guide rod of the female connector; an outlet of the ventilating channel is positioned on the upper end surface of the guide rod, and an inlet of the ventilating channel is positioned on the concave spherical surface of the lower end of the guide rod; the male connector takes the shape of a convex spherical surface structure; the convex spherical surface structure is matched with the concave spherical surface structure of the lower end of the guide rod of the female connector in shape; an air intake channel is formed on the male connector; an outlet of the air intake channel is positioned on the convex spherical surface of the male connector; an inlet of the ventilating channel of the female connector corresponds to the outlet of the air intake channel of the male connector; an O-shaped groove is formed on the convex spherical surface at the periphery of the outlet of the air intake channel of the male connector; an O-shaped seal ring is arranged in the O-shaped groove; the lower end port of an air outlet pipe is fixed at the outlet of the ventilating channel of the guide rod of the female connector; the upper end part of the air outlet pipe penetrates a fixed sleeve and can vertically move relative to the fixed sleeve; and the upper end port of the air outlet pipe is connected with an air delivery pipe capable of plugging in the steel ladles through a segment of metal hose. The automatic connecting device can avoid the phenomenon of air leakage due to higher temperature of the female connector during operation.

Description

The steel ladle bottom argon blowing Automatic Link Establishment

Technical field

The utility model relates to a kind of steel ladle bottom argon blowing Automatic Link Establishment.

Background technology

The existing a kind of steel ladle bottom argon blowing Automatic Link Establishment that uses of a lot of steel mills of China, it mainly is made of female joint and male joint.Female joint is fixed on the ladle, and male joint is arranged on the buggy ladle.Female joint contains fixed cover, guide rod, spring, escape pipe.The lower end of guide rod is the concave spherical surface planform, be provided with venting channels in the guide rod, the outlet of this venting channels is positioned on the upper surface of guide rod, its import is positioned on the concave spherical surface of lower end of the guide rod, and the peripheral concave spherical surface of this venting channels import is provided with O type groove, and O type sealing density ring is installed in this O type groove.The venting channels that the upper end of escape pipe is arranged on the upper surface of fixed cover, its lower end is arranged in guide rod, the venting channels of guide rod can move up and down with respect to escape pipe, and escape pipe is provided with a plurality of sealing rings, in case the gas leakage between escape pipe and the venting channels.Male joint is protruding spherical structure shape, the concave spherical surface planform of this protruding spherical structure shape and female joint lower end of the guide rod matches, be provided with inlet channel in the male joint, the outlet of this inlet channel is positioned on the protruding sphere of male joint, the outlet section of inlet channel is a cone shape, male joint contains check valve, check valve contains valve core, the upper end of this valve core is that the cone shape of cone structure shape and inlet channel outlet section matches, the bottom of valve core is set with spring, and valve core its upper end under the effect of spring is pressed on the outlet section of inlet channel.The import of the venting channels of female joint is corresponding with the outlet of male joint inlet channel.During work, when the male joint that is arranged on the buggy ladle is pressed in the female joint on being fixed on ladle, be that the inlet channel outlet on the protruding sphere of male joint is pressed in the import of the venting channels on the female joint lower end of the guide rod concave spherical surface, the top of upper end that is positioned at the one-way valve core body in the protruding sphere of the male joint outside is depressed, be that check valve is opened, the argon gas of steel ladle bottom argon blowing control system control at this moment enters in it from the inlet channel of male joint, flow out from the outlet of inlet channel through check valve, the argon gas that flows out enters in it from the import of the venting channels of female joint, outlet through venting channels enters escape pipe, appendix through linking to each other with escape pipe enters in the ladle again, after Argon finished, female joint separated with male joint.Because female joint is fixed on the ladle, the temperature of female joint is higher always, and the O type sealing density ring that therefore is positioned at the O type groove of female joint lower end of the guide rod concave spherical surface venting channels import periphery damages easily, causes the generation of gas leak phenomenon.In addition, a plurality of sealing rings that the female joint escape pipe is provided with, higher because of the temperature of female joint equally, therefore damage easily, cause the generation of gas leak phenomenon.

The utility model content

The technical problems to be solved in the utility model provides a kind of steel ladle bottom argon blowing Automatic Link Establishment, and this device can be avoided when work because of the higher generation that causes gas leak phenomenon of the temperature of female joint.

For solving the problems of the technologies described above, the utility model steel ladle bottom argon blowing Automatic Link Establishment, it contains female joint and male joint, female joint is fixed on the ladle, male joint is arranged on the buggy ladle, female joint contains fixed cover, guide rod, spring, escape pipe, the lower end of guide rod is the concave spherical surface planform, be provided with venting channels in the guide rod, the outlet of this venting channels is positioned on the upper surface of guide rod, its import is positioned on the concave spherical surface of lower end of the guide rod, male joint is protruding spherical structure shape, the concave spherical surface planform of this protruding spherical structure shape and female joint lower end of the guide rod matches, be provided with inlet channel in the male joint, the outlet of this inlet channel is positioned on the protruding sphere of male joint, the import of the venting channels of female joint is corresponding with the outlet of male joint inlet channel, the peripheral protruding sphere of described male joint inlet channel outlet is provided with O type groove, be provided with O type sealing density ring in this O type groove, the lower port of described escape pipe is fixed on the outlet of described female joint guide rod venting channels, fixed cover and can it moves up and down is relatively passed in the upper end of escape pipe, and the upper port of escape pipe links to each other with the appendix that inserts ladle by one section metal hose.

Owing on the peripheral protruding sphere of male joint inlet channel outlet, be provided with O type groove, O type sealing density ring is installed in this O type groove, and only female joint is just matched with male joint and is in the same place when Argon, therefore the time is shorter, thereby the temperature that has overcome the prior art female joint is higher always, O type sealing density ring is damaged easily and causes the generation of this place's gas leak phenomenon.Simultaneously, because the lower port of escape pipe is fixed on the outlet of female joint guide rod venting channels, fixed cover and can it moves up and down is relatively passed in its upper end, the upper port of escape pipe links to each other with the appendix that inserts ladle by one section metal hose, therefore it is higher always to have overcome prior art female joint temperature, and causes a plurality of sealing rings on the escape pipe to damage and cause the generation of this place's gas leak phenomenon.In sum, the steel ladle bottom argon blowing Automatic Link Establishment can be avoided when work because of the higher generation that causes gas leak phenomenon of the temperature of female joint.

Description of drawings

Fig. 1 is the structural representation of the utility model steel ladle bottom argon blowing Automatic Link Establishment.

Fig. 2 is the female joint structural representation of the utility model steel ladle bottom argon blowing Automatic Link Establishment.

Fig. 3 is the male joint structural representation of the utility model steel ladle bottom argon blowing Automatic Link Establishment.

1. male joints among the figure, 2. valve core, 3. spring, 4. inlet channel, 5. protruding sphere, 6.O type sealing density ring, 7. concave spherical surface, 8. venting channels, 9. fixed cover, 10. guide rod, 11. outlets, 12. escape pipes, 13. female joints, 14. springs, 15.O type groove.

The specific embodiment

Among Fig. 1, the steel ladle bottom argon blowing Automatic Link Establishment contains female joint 13 and male joint 1.Female joint 13 is fixed on the ladle, and male joint 1 is arranged on the buggy ladle.Female joint 13 contains fixed cover 9, guide rod 10, spring 14, escape pipe 12.The lower end of guide rod 10 is the planform of concave spherical surface 7, is provided with venting channels 8 in the guide rod 10, and the outlet 11 of this venting channels 8 is positioned on the upper surface of guide rod 10, its import is positioned on the concave spherical surface 7 of guide rod 10 lower ends.Spring 14 is sleeved on the outside of guide rod 10, and the upper end of spring 14 links to each other with the inwall of fixed cover 9, and the lower end of spring 14 links to each other with guide rod 10, but guide rod 10 relative fixed cover 9 moves up and down.Male joint 1 is the planform of protruding sphere 5, and the planform of the concave spherical surface 7 of guide rod 10 lower ends of the planform of this protruding sphere 5 and female joint 13 matches.Be provided with inlet channel 4 in the male joint 1, the bottom that the outlet of this inlet channel 4 is positioned on the protruding sphere 5 of male joint 1, its import is positioned at male joint 1.The outlet section of inlet channel 4 is a cone shape.Male joint 1 contains check valve, and check valve contains valve core 2, and the upper end of this valve core 2 is that the cone shape of cone structure shape and inlet channel 4 outlet sections matches.The bottom of valve core 2 is set with spring 3, valve core 2 its upper end under the effect of spring 3 is pressed on the outlet section of inlet channel 4, with the blocking-up gas flow, the outlet that the inlet channel 4 on the protruding sphere 5 of male joint 1 is passed at the top of the upper end of valve core 2 is positioned at the outside of protruding sphere 5.The import of the venting channels 8 of female joint 13 is corresponding with the outlet of male joint 1 inlet channel 4.The peripheral protruding sphere 5 of the outlet of the inlet channel 4 of male joint 1 is provided with O type groove 15, and O type sealing density ring 6 is installed in this O type groove 15.The lower port of escape pipe 12 is fixed in the outlet 11 of venting channels 8 of guide rod 10 of female joint 13, and in the present embodiment, the lower port of escape pipe 12 is welded in the outlet 11 of venting channels 8.Fixed cover 9 and can it moves up and down is relatively passed in the upper end of escape pipe 12, and the upper port of escape pipe 12 links to each other with the appendix that inserts ladle by one section metal hose.During work, when the male joint 1 that is arranged on the buggy ladle is pressed in the female joint 13 on being fixed on ladle, it is the protruding sphere 5 that the lower end concave spherical surface 7 of the guide rod 10 of female joint 13 is pressed to male joint 1, the top of upper end of valve core 2 of check valve that is positioned at protruding sphere 5 outsides of male joint 1 is depressed, be that check valve is opened, the argon gas of steel ladle bottom argon blowing control system control at this moment enters in it from the import of the inlet channel 4 of male joint 1, flow out from the outlet of inlet channel 4 through check valve, the argon gas that flows out enters in it from the import of the venting channels 8 of female joint 13, outlet through venting channels 8 enters escape pipe 12, enter in the appendix of ladle through the one section metal hose that links to each other with the upper port of escape pipe 12 then, flow at last and carry out the Argon operation in the ladle.After Argon finished, female joint 13 separated with male joint 1.Because O type sealing density ring 6 is installed in the O type groove 15 that the protruding sphere 5 of male joint 1 is provided with, and only female joint 13 is just matched with male joint 1 and is in the same place when Argon, therefore the time is shorter, the temperature that has so just overcome prior art female joint 13 is higher always, O type sealing density ring 6 is damaged easily and causes the generation of this place's gas leak phenomenon.Simultaneously, because the lower port of escape pipe 12 is fixed on the outlet of venting channels 8 of the guide rod 10 of female joint 13, fixed cover 9 and can it moves up and down is relatively passed in its upper end, the upper port of escape pipe 12 links to each other with the appendix that inserts ladle by one section metal hose, therefore it is higher always to have overcome prior art female joint 13 temperature, and causes a plurality of sealing rings on the escape pipe 12 to damage and cause the generation of this place's gas leak phenomenon.In sum, the steel ladle bottom argon blowing Automatic Link Establishment can be avoided because of the higher always generation that causes gas leak phenomenon of the temperature of female joint 13 when work.

Claims

1. steel ladle bottom argon blowing Automatic Link Establishment, it contains female joint and male joint, female joint is fixed on the ladle, male joint is arranged on the buggy ladle, female joint contains fixed cover, guide rod, spring, escape pipe, the lower end of guide rod is the concave spherical surface planform, be provided with venting channels in the guide rod, the outlet of this venting channels is positioned on the upper surface of guide rod, its import is positioned on the concave spherical surface of lower end of the guide rod, male joint is protruding spherical structure shape, the concave spherical surface planform of this protruding spherical structure shape and female joint lower end of the guide rod matches, be provided with inlet channel in the male joint, the outlet of this inlet channel is positioned on the protruding sphere of male joint, the import of the venting channels of female joint is corresponding with the outlet of male joint inlet channel, the peripheral protruding sphere of described male joint inlet channel outlet is provided with O type groove, be provided with O type sealing density ring in this O type groove, the lower port of described escape pipe is fixed on the outlet of described female joint guide rod venting channels, fixed cover and can it moves up and down is relatively passed in the upper end of escape pipe, and the upper port of escape pipe links to each other with the appendix that inserts ladle by one section metal hose.