CN215090667U - Connecting piece for connecting single-hole nozzle and quick-changing tundish - Google Patents
Connecting piece for connecting single-hole nozzle and quick-changing tundish Download PDFInfo
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- CN215090667U CN215090667U CN202120355401.4U CN202120355401U CN215090667U CN 215090667 U CN215090667 U CN 215090667U CN 202120355401 U CN202120355401 U CN 202120355401U CN 215090667 U CN215090667 U CN 215090667U
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Abstract
The utility model discloses a package connecting piece in middle of haplopore mouth of a river quick change even, the first circular reinforcing bar of connection and the second that sets up including the connecting reinforcement that a plurality of vertical slopes set up connect circular reinforcing bar, the connecting reinforcement with first circular reinforcing bar of connection with the second is connected the tubbiness connecting piece that circular reinforcing bar connection makes progress the increase for the opening degree, still includes separation steel sheet and L type connecting reinforcement, separation steel sheet horizontally sets up the lower extreme of connecting piece, L type connecting reinforcement is in according to the same gradient setting the side of connecting piece, its bottom with separation steel sheet welded connection. The utility model discloses the circle base quick change connecting device who makes simple structure, preparation convenience can realize the connection of haplopore mouth of a river circle base quick change and can effectively avoid the quick change to lead to the casting blank to press from both sides the sediment, reduce quick change tailgating length.
Description
Technical Field
The utility model belongs to steelmaking continuous casting production field, concretely relates to package connecting piece in middle of continuous haplopore mouth of a river quick change.
Background
In the prior art, quick change of a continuous casting tundish is a common method for improving the continuous casting operation rate and the yield of each steel mill, but the problem of casting blank slag inclusion is easy to occur when the continuous casting round billet with the specification of phi more than 380 is quickly changed. The reason is that for round billets with the specification of phi above 380, the liquid core of the casting blank is large in the quick change process, and the molten steel brings the casting blank with the covering slag when the ladle in the later group is cast, so that the casting blank is subjected to slag inclusion. Therefore, the problem of how to avoid casting blank slag inclusion caused by quick change in the prior art, particularly the problem of casting blank slag inclusion with large caliber.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a link middle package connecting piece of haplopore mouth of a river quick change.
Realize above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides a package connecting piece in middle of even haplopore mouth of a river quick change, includes the first circular reinforcing bar of connection and the second circular reinforcing bar of connection that the connecting reinforcement that a plurality of vertical slopes set up and level set up, the connecting reinforcement with first circular reinforcing bar of connection with the circular reinforcing bar connection of second is the tubbiness connecting piece of the upwards increase of aperture, still includes separation steel sheet and L type connecting reinforcement, the setting of separation steel sheet level is in the lower extreme of connecting piece, L type connecting reinforcement is in according to the same gradient setting the side of connecting piece, its bottom with separation steel sheet welded connection.
As a further improvement, the first circular reinforcing bar of connecting sets up the position of the line of location that sinks of connecting piece, the second connect circular reinforcing bar with the top position of connecting bar is connected.
As a further improvement, the bottom of the L-shaped connecting bar is higher than the bottom of the connecting bar, and the top of the L-shaped connecting bar is lower than the top of the connecting bar.
As a further improvement of the present invention, the L-end of the L-shaped connecting steel bar is connected to the lower surface of the blocking steel plate, and a curved surface which is curved inwards and recessed is arranged at the joint of the edge of the blocking steel plate and the L-shaped connecting steel bar; the L-shaped connecting steel bar is also connected with the first connecting round steel bar.
As a further improvement of the utility model, the steel wire rope reinforcing device further comprises two reinforcing ribs which are connected in a cross shape, and the two ends of each reinforcing rib are connected with the first circular reinforcing steel bars.
As a further improvement of the utility model, including 4L type connecting reinforcement, L type connecting reinforcement with the welding point of first connection circular reinforcing bar with adjacent the strengthening rib with the welding point of first connection circular reinforcing bar sets up along the circumferencial direction in proper order in turn.
As a further improvement, including 16 the connecting reinforcement, the two liang of equal angle's of connecting reinforcement arrange, the strengthening rib or the welding of L type connecting reinforcement two with a set of between the clearance of connecting reinforcement.
As a further improvement of the utility model, the inclination of the connecting steel bars or the L-shaped connecting steel bars is 5-15 degrees from the vertical direction.
The utility model has the advantages that: the utility model discloses the round billet quick change connecting device who makes simple structure, preparation convenience, two connection circular reinforcing bars through upper and lower setting weld the splice bar of a plurality of vertical settings into tubbiness, play the effect of two sections round billets around connecting, play the effect that completely cuts one section steel billet before the covering slag gets into in connecting piece bottom plate welding steel sheet simultaneously, can realize the connection of haplopore mouth of a river round billet quick change and can effectively avoid the quick change to lead to the casting blank to press from both sides the sediment, reduce quick change tail-cutting length.
Drawings
FIG. 1 is a side view of the connector of the present invention;
fig. 2 is a top view of the connector of the present invention;
fig. 3 is a schematic structural view of the obstructing steel plate of the present invention;
wherein: 1-connecting steel bars, 2-first connecting circular steel bars, 3-second connecting circular steel bars, 4-reinforcing ribs, 5-blocking steel plates and 6-L-shaped connecting steel bars.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
The connecting piece for the quick-change tundish with the single-hole nozzle comprises a plurality of connecting steel bars 1 which are vertically and obliquely arranged, first connecting circular steel bars 2 and second connecting circular steel bars 3 which are horizontally arranged, a blocking steel plate 5 and L-shaped connecting steel bars 6, wherein the connecting steel bars 1, the first connecting circular steel bars 2 and the second connecting circular steel bars 3 are connected into a barrel-shaped connecting piece with an upward-increasing opening degree, the blocking steel plate 5 is horizontally arranged at the lower end of the connecting piece, the L-shaped connecting steel bars 6 are arranged on the side surface of the connecting piece according to the same inclination, the included angle between the inclination and the vertical direction is controlled to be 5-15 degrees, and the bottom end of the L-shaped connecting steel bar is connected with the blocking steel plate 5 in a welding mode.
The first connecting circular reinforcing steel bar 2 is arranged at the position of a sinking positioning line of the connecting piece, and the second connecting circular reinforcing steel bar 3 is connected with the upper position of the connecting reinforcing steel bar 1. When the casting of the previous group of middle packages is finished during quick change, the connecting piece is placed into the crystallizer, and when the molten steel in the crystallizer submerges to the position of the first connecting round steel bar 2, the connecting piece is stabilized to prevent the connecting piece from continuously sinking.
When the molten steel in the crystallizer is further cooled and solidified, the connecting piece is fixed in the steel billet of the previous group of tundish, the later group of tundish is opened to the casting position, the casting molten steel of the later group of tundish flows into the crystallizer, the connecting steel bar 1 in the connecting device connects the front and the rear sections of the steel billet, and the barrier steel plate 5 can prevent the casting molten steel of the later group of tundish from bringing the casting molten steel in the crystallizer into the steel billet of the previous group of tundish.
Further, the utility model discloses L type connecting reinforcement 6's in the connecting piece bottom is higher than connecting reinforcement 1's bottom, L type connecting reinforcement 6's top is less than connecting reinforcement 1's top.
The L-shaped end of the L-shaped connecting steel bar 6 is connected to the lower surface of the blocking steel plate 5 to hook the blocking steel bar, and an inward-bent and concave arc surface is arranged at the joint of the edge of the blocking steel plate 5 and the L-shaped connecting steel bar 6; the L-shaped connecting steel bar 6 is also connected with the first connecting round steel bar 2.
Still include two strengthening ribs 4 that are "ten" font and connect, the both ends of strengthening rib 4 link to each other with first circular reinforcing bar 2 of connecting for consolidate first circular reinforcing bar 2 of connecting.
As shown in fig. 2, in an embodiment of the present invention, including 4L-shaped connecting steel bars 6, L-shaped connecting steel bars 6 and the welding point of the first connecting circular steel bar 2 are adjacent to the welding point of the reinforcing rib 4 and the welding point of the first connecting circular steel bar 2 are sequentially and alternately arranged along the circumferential direction.
Further, according to the number of the corresponding welding points, 16 connecting steel bars 1 are included, the connecting steel bars 1 are arranged at equal angles in a group, and the reinforcing ribs 4 or the L-shaped connecting steel bars 6 are welded between the gaps of the two connecting steel bars 1 in the same group.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a link tundish connecting piece of haplopore mouth of a river quick change which characterized in that: including the first circular reinforcing bar of connection (2) and the second connection circular reinforcing bar (3) of connecting reinforcing bar (1) and the level setting that a plurality of vertical slopes set up, connecting reinforcing bar (1) with first circular reinforcing bar of connection (2) with circular reinforcing bar (3) are connected for the tubbiness connecting piece of the upwards increase of opening degree, still include separation steel sheet (5) and L type connecting reinforcement (6), setting of separation steel sheet (5) horizontally is in the lower extreme of connecting piece, L type connecting reinforcement (6) are in according to the same gradient setting the side of connecting piece, its bottom with separation steel sheet (5) welded connection.
2. The quick-change tundish connector with the single-hole nozzle according to claim 1, wherein: the first connecting circular steel bar (2) is arranged at the position of a sinking positioning line of the connecting piece, and the second connecting circular steel bar (3) is connected with the upper position of the connecting steel bar (1).
3. The quick-change tundish connector with the single-hole nozzle according to claim 1, wherein: the bottom of L type connecting reinforcement (6) is higher than the bottom of connecting reinforcement (1), the top of L type connecting reinforcement (6) is less than the top of connecting reinforcement (1).
4. The quick-change tundish connector with the single-hole nozzle according to claim 3, wherein: the L end of the L-shaped connecting steel bar (6) is connected to the lower surface of the blocking steel plate (5), and an inward-bent and sunken cambered surface is arranged at the joint of the edge of the blocking steel plate (5) and the L-shaped connecting steel bar (6); the L-shaped connecting steel bar (6) is also connected with the first connecting round steel bar (2).
5. The quick-change tundish connector with the single-hole nozzle according to claim 1, wherein: the steel bar connecting structure is characterized by further comprising two reinforcing ribs (4) which are connected in a cross shape, wherein two ends of each reinforcing rib (4) are connected with the first connecting circular steel bars (2).
6. The quick-change tundish connector with the single-hole nozzle according to claim 5, wherein: including 4L type connecting reinforcement (6), L type connecting reinforcement (6) with the welding point of first circular reinforcing bar of connecting (2) with adjacent strengthening rib (4) with the welding point of first circular reinforcing bar of connecting (2) sets up along the circumferencial direction in proper order in turn.
7. The quick-change tundish connector with the single-hole nozzle according to claim 6, wherein: including 16 connecting reinforcement (1), two liang of a set of equal angle's of connecting reinforcement (1) arrange, strengthening rib (4) or L type connecting reinforcement (6) weld in same two of a set of between the clearance of connecting reinforcement (1).
8. The quick-change tundish connector with the single-hole nozzle according to claim 1, wherein: the inclination of the connecting steel bars (1) or the L-shaped connecting steel bars (6) is 5-15 degrees from the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120355401.4U CN215090667U (en) | 2021-02-09 | 2021-02-09 | Connecting piece for connecting single-hole nozzle and quick-changing tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120355401.4U CN215090667U (en) | 2021-02-09 | 2021-02-09 | Connecting piece for connecting single-hole nozzle and quick-changing tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215090667U true CN215090667U (en) | 2021-12-10 |
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ID=79334885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120355401.4U Active CN215090667U (en) | 2021-02-09 | 2021-02-09 | Connecting piece for connecting single-hole nozzle and quick-changing tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215090667U (en) |
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2021
- 2021-02-09 CN CN202120355401.4U patent/CN215090667U/en active Active
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