KR20130088402A - Ladle coupler - Google Patents

Abstract

PURPOSE: A ladle coupler is provided to prevent or reduce the loss of working fluid supplied to the inside of a ladle, the damage of a supply unit, and the plastic deformation of a sealing member. CONSTITUTION: A ladle coupler comprises a supply member(40), a supporting member(81), and a sealing member(50). The supply member is placed in a transfer cart, and forms a through hole unit connected to a supply tube to which working fluid is transferred. The supporting member is placed in a ladle on the transfer cart, and forms an inserting hole unit connected to the through hole unit. The sealing member is place in the supply unit, and arranged in the outer side of the through hole unit. A mounting groove unit, formed in the outer side of the through hole unit and to which the sealing member is inserted, is placed in the supply unit. A circulating hole unit is formed in the supply unit to connect the through hole unit to the mounting groove unit.

Description

Ladle Coupler {LADLE COUPLER}

The present invention relates to a ladle coupler, and more particularly, to prevent the working fluid supplied into the ladle from being lost, and to prevent the supply unit from being damaged by the load of the ladle or the plastic deformation of the sealing member due to the heat of the ladle. A ladle coupler that can be prevented.

In general, steel production consists of a steelmaking process for producing molten iron, a steelmaking process for removing impurities from molten iron, a regeneration process in which iron in a liquid state becomes a solid, and a rolling process in which iron is made of steel or wire.

Here, the molten steel produced by the steelmaking process is contained in the ladle and transported by the bogie, which is provided with a gas supply device for supplying a working fluid to the lower portion of the ladle, and a coupler for detachably connecting the gas supply pipe between the bogie and the ladle. Is installed.

Related prior arts include Korean Patent Application Publication No. 2007-0064780 (June 22, 2007, Published, Title of Refining Bubbling and Ladle Having the Same).

SUMMARY OF THE INVENTION An object of the present invention is to provide a ladle coupler which prevents the working fluid supplied into the ladle from being lost, and prevents or prevents the supply unit from being damaged by the load of the ladle or plastic deformation of the sealing member by the heat of the ladle. It is.

Ladle coupler according to the present invention for achieving the above object is provided on the trolley, the supply member is formed with a through-hole portion in communication with the supply pipe to which the working fluid is conveyed; A support member provided in a ladle seated on the trolley and having an injection hole portion communicating with the through hole portion; And a sealing member installed at the supply member and disposed at an edge of the through hole portion. It includes, The supply member, characterized in that the mounting groove formed on the edge of the through-hole portion so that the sealing member is inserted, and the circulation hole portion for communicating the through-hole portion and the mounting groove portion is formed.

Here, the supply member, the mounting groove portion and the circulation hole portion is formed is inserted into the seating portion of the trolley; And a guide part formed on a bottom surface of the supply part so as to be inserted into a stepped part formed at the center part of the seating part. Characterized in that it comprises a.

Here, the upper surface of the supply portion is spaced apart from the mounting groove portion is formed in the recess formed in communication with the through-hole portion is formed, the circulation hole is characterized in that the connecting groove portion and the connecting groove portion communicate.

Here, the buffer groove portion is formed in the center portion of the step portion, the buffer groove portion is characterized in that the elastic member for elastically supporting the guide portion is inserted.

Here, the trolley is characterized in that the guide portion for defining the position of the support member.

Here, the supply member, the sealing groove is formed on the edge of the through hole spaced apart from the mounting groove so that the sealing member is inserted, and an auxiliary hole for connecting the mounting groove and the sealing groove is further formed. do.

Here, the mounting groove is formed to form an inlet width equal to or less than the width of the sealing member, to form a bottom width larger than the width of the sealing member, and to form a depth equal to or greater than half the thickness of the sealing member. It is done.

As described above, the ladle coupler according to the present invention prevents the loss of the working fluid supplied into the ladle, and suppresses or prevents the supply unit from being damaged by the load of the ladle or plastic deformation of the sealing member by the heat of the ladle. can do.

In addition, the present invention can be stably supported on the balance by the structure of the supply member.

In addition, the present invention is provided with a connecting groove in the supply member, it is possible to facilitate the transfer of the working fluid, it is possible to transfer the working fluid to the ladle stably.

In addition, according to the present invention, when the ladle is seated on the trolley as the elastic member is provided, it can absorb the shock applied to the trolley or the supply member and improve the airtightness between the supply member and the support member.

In addition, according to the present invention, since the ladle is stably positioned on the trolley as the guide part is provided, it is possible to smoothly transfer the working fluid.

In addition, the present invention prevents the sealing member from being separated from the mounting groove by the configuration of the mounting groove, as well as the sealing member may be positioned in the supply member.

1 is a configuration diagram illustrating a ladle and a bogie in which a ladle coupler is installed according to an embodiment of the present invention;
2 is an exploded cross-sectional view showing a ladle coupler according to an embodiment of the present invention,
3 is a perspective view illustrating a supply member of a ladle coupler according to an embodiment of the present invention;
Figure 4 is an exploded perspective view showing a supply member mounting structure of the ladle coupler according to an embodiment of the present invention,
5 is an exploded cross-sectional view showing a ladle coupler according to another embodiment of the present invention.

Hereinafter, an embodiment of a ladle coupler according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a block diagram illustrating a ladle and a bogie in which a ladle coupler is installed according to an embodiment of the present invention. Referring to FIG. 1, a ladle (10) is provided in a trolley 10 to transfer a ladle 80 containing molten steel. 80) Seat.

The trolley 10 is provided with a supply unit 20 for transferring a working fluid. In one embodiment of the present invention the working fluid uses argon (Ar).

In addition, the ladle 80 is provided with a support member 81. The injection member 83 is formed in the support member 81. The injection hole 83 allows the injection tube 87 for supplying the working fluid transferred through the supply unit 20 to the inside of the ladle 80 to communicate with each other.

When the ladle 80 is seated on the trolley 10, the guide portion 19 is formed to limit the position of the support member 81 so that the ladle 80 can be positioned in position.

Here, the flow path connected to the bottom surface of the ladle 80 through the injection tube 87 can be easily implemented by those skilled in the art who have recognized the technical configuration of the present invention, and thus detailed drawings or descriptions thereof will be omitted.

2 is an exploded cross-sectional view showing a ladle coupler according to an embodiment of the present invention, Figure 3 is a perspective view showing a supply member of the ladle coupler according to an embodiment of the present invention, Figure 4 is an embodiment of the present invention An exploded perspective view showing a supply member mounting structure of a ladle coupler according to an example.

2 to 4, the supply unit 20 includes a supply pipe 30 for transporting the working fluid to supply the working fluid, and a supply member 40 in which the supply pipe 30 is installed.

Ladle coupler according to an embodiment of the present invention includes a supply member 40, the support member 81, and the sealing member (50).

The supply member 40 is provided in the trolley | bogie 10, and the through-hole part 23 is formed. The through-hole part 23 is installed so that the supply pipe 30 through which the working fluid is conveyed communicates. The through hole portion 23 is formed through the central portion of the supply member (40).

The supporting member 81 is provided in the ladle 80 seated on the trolley 10, and an injection hole 83 is formed. The through-hole 23 is in communication with the injection hole 83, as well as the injection tube 87 is in communication.

The sealing member 50 is installed in the supply member 40 so as to be disposed at the edge of the through hole portion 23.

The supply member 40 is characterized in that the mounting groove 21 and the circulation hole 25 is formed.

The mounting groove 21 is formed at the edge of the through hole 23 so that the sealing member 50 is inserted, and the circulation hole 25 communicates the through hole 23 with the mounting groove 21.

The working fluid passing through the through-hole 23 passes through the circulation hole 25 and is supplied to the mounting groove 21 to circulate. The working fluid circulating in the mounting groove 21 may cool the sealing member 50.

Then, when the heat of the molten steel is transmitted to the support member 81 through the ladle 80, it is possible to prevent the sealing member 50 from plastically deformed by heat.

At this time, the mounting groove 21 forms an inlet width (a) equal to or less than the width (b) of the sealing member (50). In addition, the mounting groove 21 forms a bottom width c larger than the width b of the sealing member 50. In addition, the mounting groove 21 has a depth h2 equal to or greater than half h1 of the thickness of the sealing member 50.

Accordingly, the sealing member 50 is not separated from the mounting groove 21. In other words, the sealing member 50 is stably inserted into the mounting groove 21.

In addition, when the sealing member 50 is squeezed by the support member 81, the sealing member 50 is elastically deformed stably in the mounting groove 21, to prevent the sealing member 50 from being damaged. Can be.

The circulation hole 25 communicates the through hole 23 with the mounting groove 21.

Accordingly, the working fluid is supplied to the mounting groove 21 through the circulation hole 25 and circulated, so that the sealing member 50 inserted into the mounting groove 21 is fired by the heat transmitted through the support member 81. The deformation can be prevented.

The supply member 40 includes a supply part 41 and a guide part 43.

The supply part 41 has a mounting groove 21 and a circulation hole 25 is formed, it is inserted into the seating portion 11 formed in the cart (10). And the guide part 43 is formed in the bottom surface of the supply part 41 so that it may be inserted into the step part 13 formed in the center part of the seating part 11.

In this case, the through hole part 23 is formed through the supply part 41 and the guide part 43.

The supply member 40 may further include a guide pin 45. The guide pin 45 is installed to protrude on at least one of the supply part 41 and the guide part 43.

At this time, the guide groove 17 is formed in the trolley 10. The guide groove 17 is formed in at least one of the seating portion 11 and the step portion 13 of the trolley 10 corresponding to the guide pin 45. The guide groove 17 allows the guide pin 45 to be slidably inserted.

As the guide pin 45 is inserted into the guide groove 17, the supply part 41 and the guide part 43 may be prevented from rotating in the seating part 11 and the stepped part 13.

Connection grooves 24 may be formed on the upper surface of the supply part 41.

The connection groove 24 is recessed to be spaced apart from the mounting groove 21 so as to communicate with the through hole 23. The connection groove 24 is recessed to be spaced apart from the mounting groove 21 at the center of the supply part 41. Since the connection groove 24 is formed to have a size larger than that of the through hole 23, a working fluid passing through the through hole 23 may be stored in the connection groove 24.

As the connecting groove 24 is formed, the through-hole 23 may be stably communicated with the injection hole 83 even when the seating position of the support member 81 is changed, and the working fluid may be smoothly flown.

At this time, the circulation hole 25 communicates with the mounting groove 21 and the connecting groove 24, so that the working fluid can be smoothly supplied to the mounting groove (21).

In addition, the buffer groove portion 15 is formed in the center of the step portion 13 formed in the trolley 10. The elastic member 60 is inserted into the buffer groove 15. The elastic member 60 is inserted into the buffer groove 15 to elastically support the guide portion 43 of the supply member 40.

As the elastic member 60 is inserted into the buffer groove 15, when the ladle 80 is seated on the trolley 10, the shock applied to the supply member 40 is canceled and applied to the supply member 40. It is possible to prevent the supply member 40 or the support member 81 from being damaged due to the impact.

Therefore, even when the coupling and disengagement of the supply member 40 and the support member 81 are repeated in the transfer operation of the ladle 80 which is repeated for a long time, the supply member 40 is deformed due to the impact generated by the load of the ladle 80. Can be prevented or broken.

In addition, the adhesive force between the supply member 40 and the support member 81 may be improved by the elastic force of the elastic member 60, and the working fluid may be prevented from being lost between the supply member 40 and the support member 81. .

Here, the elastic member 60 is accommodated in the upper case 61 and the lower case 63 to be slidably coupled, and a washer 70 is interposed between the bottom of the buffer groove 15 and the lower case 63. .

The upper case 61 is formed in a cap shape with an open bottom surface, and has a hole portion through which a working fluid passes.

The lower case 63 is formed in a cap shape with an open top surface, and has a hole portion through which a working fluid passes. The outer diameter of the lower case 63 may be smaller than the inner diameter of the upper case 61 to smooth the sliding of the upper case 61 and the lower case 63.

When the elastic member 60 is inserted into the lower case 63 and the lower case 63 is inserted into the upper case 61, the upper case 61 and the lower case 63 are slidably coupled to each other. Accordingly, the elastic member 60 may prevent the elastic member 60 from flowing in the buffer groove 15 while performing a buffering action.

In addition, since the washer 70 is interposed, the buffer member 15 may stably support the elastic member 60.

The operation of the ladle coupler according to an embodiment of the present invention will now be described.

When the steelmaking process is completed and the ladle 80 containing molten steel is seated on the trolley 10, the support member 81 is seated on the supply member 40 while the ladle 80 descends from the upper side of the trolley 10.

At this time, the support member 81 may press the supply member 40 by the load of the ladle 80. Then, while the elastic member 60 is compressed, the supply part 41 and the guide part 43 of the supply member 40 are lowered while being inserted into the seating part 11 and the step part 13.

Then, the sealing member 50 is compressed by the pressing force and the elastic restoring force of the elastic member 60 to seal between the support member 81 and the supply member 40.

Here, the guide portion 19 limits the position of the support member 81, whereby the support member 81 can be suppressed or prevented from flowing.

When the support member 81 is seated on the supply member 40, the supply pipe 30, the through hole 23, the connection groove 24, the injection hole 83 and the injection tube 87 communicate with each other. The connecting groove 24 and the mounting groove 21 communicate with each other through the circulation hole 25.

After the working fluid is supplied, the working fluid is smoothly supplied to the injection pipe 87 via the supply pipe (30).

Here, since the sealing member 50 is interposed between the supply member 40 and the support member 81 by being compressed, it is possible to prevent the working fluid from being lost between the supply member 40 and the support member 81.

At this time, the working fluid passing through the connection groove 24 is supplied to the mounting groove 21 through the circulation hole 25 and circulated, whereby the circulating working fluid can cool the sealing member 50.

Accordingly, when the heat of the molten steel contained in the ladle 80 is transferred to the sealing member 50 through the support member 81, the sealing member 50 may be prevented from being plastically deformed by heat.

In addition, when the supply member 40 and the support member 81 are separated by separating the ladle 80 from the trolley 10, the sealing member 50 is fused to the supply member 40 or the support member 81. It can prevent sticking.

Hereinafter, a ladle coupler according to another embodiment of the present invention will be described.

FIG. 5 is an exploded cross-sectional view illustrating a ladle coupler according to another embodiment of the present invention. Referring to FIG. 5, a ladle according to another embodiment of the present invention has the same configuration as a ladle coupler according to an embodiment of the present invention. The same reference numerals are given to the coupler, and description thereof will be omitted.

However, in the ladle coupler according to another embodiment of the present invention, the sealing member 22 and the auxiliary hole part 26 are further formed in the supply member 40.

The sealing groove portion 22 is spaced apart from the mounting groove portion 21 so that the sealing member 50 is inserted is formed on the edge of the through-hole portion 23. The sealing member 50 inserted into the sealing groove 22 may have a different size than the sealing member 50 inserted into the mounting groove 21.

At this time, the sealing groove 22 forms an inlet width (a) equal to or less than the width (b) of the sealing member 50, and forms a bottom width (c) larger than the width (b) of the sealing member (50). And form a depth h2 equal to or greater than half h1 of the thickness of the sealing member 50 so that the sealing member 50 can be stably inserted into the sealing groove 22, and the separation of the sealing member 50 is suppressed. Or can be prevented.

In addition, when the sealing member 50 is compressed by the support member 81, the sealing member 50 may be elastically deformed in the sealing groove 22 to prevent the sealing member 50 from being damaged.

The auxiliary hole 26 communicates with the mounting groove 21 and the sealing groove 22.

Accordingly, the working fluid is supplied to the sealed groove 22 through the auxiliary hole 26 through the mounting groove 21 and circulated, so that the sealing member 50 inserted into the sealed groove 22 supports the support member 81. Plastic deformation may be prevented by the heat transferred through the film.

In addition, in the ladle coupler according to another embodiment of the present invention, the support member 81 is further formed with a protrusion 85. The protrusion 85 is provided on the support member 81 to be inserted into the connection groove 24 when the support member 81 is seated on the supply member 40. Even when the protrusion 85 is inserted into the connection groove 24, the protrusion 85 is spaced apart from the bottom of the connection groove 24 so as to form a space in which the working fluid can flow.

According to the ladle coupler described above, the working fluid supplied into the ladle 80 is prevented from being lost, and the supply unit 20 is damaged by the load of the ladle 80 or the sealing member ( 50) can be suppressed or prevented from plastic deformation.

In addition, the supply member 40 may be stably supported by the trolley 10 by the structure of the supply member 40.

In addition, the connection groove 24 is provided in the supply member 40 to facilitate the transfer of the working fluid, and to stably transfer the working fluid to the ladle 80.

In addition, as the elastic member 60 is provided, when the ladle 80 is seated on the trolley 10, the shock applied to the trolley 10 or the supply member 40 is absorbed, and the supply member 40 and the support are supported. The airtightness between the members 81 can be improved.

In addition, as the guide unit 19 is provided, the ladle 80 is stably positioned on the trolley 10, thereby smoothly transferring the working fluid.

In addition, the sealing member 50 may be positioned in the supply member 40 as well as preventing the sealing member 50 from being separated from the mounting groove 21 by the configuration of the mounting groove 21.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

10: balance 11: seat
13: step 15: buffer groove
17: guide groove 19: guide
20: supply unit 21: mounting groove
22: sealing groove 23: through hole
24: connecting groove 25: circulation hole
26: auxiliary hole portion 30: supply pipe
40: supply member 41: supply unit
43: guide portion 45: guide pin
50: sealing member 60: elastic member
61: upper case 63: lower case
70: washer 80: ladle
81: support member 83: injection hole
85: projection 87: injection tube
a: inlet width of the mounting groove b: width of the sealing member
c: bottom width of the mounting groove h1: half the thickness of the sealing member
h2: depth of mounting groove

Claims (7)

A supply member provided in the trolley and having a through hole configured to communicate with a supply pipe through which a working fluid is conveyed;
A support member provided in a ladle seated on the trolley and having an injection hole portion communicating with the through hole portion; And
A sealing member installed at the supply member and disposed at an edge of the through hole; Lt; / RTI >
The supply member, a ladle coupler, characterized in that the mounting groove is formed on the edge of the through-hole portion so that the sealing member is inserted, and the circulation hole portion for communicating the through-hole portion and the mounting groove.
The method of claim 1,
The supply member,
A supply part formed with the mounting groove part and the circulation hole part and inserted into a seating part of the trolley; And
A guide portion formed on a bottom surface of the supply portion so as to be inserted into a stepped portion formed at the center portion of the seating portion; Ladle coupler comprising a.
The method of claim 2,
The upper surface of the supply portion is spaced apart from the mounting groove portion is formed in the recess formed in communication with the through-hole portion is formed, the circulation hole portion is a ladle coupler, characterized in that the communication between the mounting groove and the connecting groove.
The method of claim 2,
A buffer coupler is formed in the center portion of the stepped portion, and the buffer groove portion is a ladle coupler, characterized in that the elastic member for elastically supporting the guide portion is inserted.
5. The method according to any one of claims 1 to 4,
The trolley is characterized in that the guide portion is formed to define the position of the support member.
5. The method according to any one of claims 1 to 4,
The supply member,
Ladle coupler, characterized in that the sealing groove is spaced apart from the mounting groove so that the sealing member is inserted is formed on the edge of the through hole portion, and the auxiliary hole for connecting the mounting groove and the sealing groove.
5. The method according to any one of claims 1 to 4,
The mounting groove portion may have an inlet width equal to or less than the width of the sealing member, form a bottom width larger than the width of the sealing member, and form a depth equal to or greater than half the thickness of the sealing member. Ladle coupler.

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