CN219852120U - Connecting piece for quick change of continuous casting round billet - Google Patents
Connecting piece for quick change of continuous casting round billet Download PDFInfo
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- CN219852120U CN219852120U CN202320099175.7U CN202320099175U CN219852120U CN 219852120 U CN219852120 U CN 219852120U CN 202320099175 U CN202320099175 U CN 202320099175U CN 219852120 U CN219852120 U CN 219852120U
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 32
- 230000008859 change Effects 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 abstract description 12
- 238000005192 partition Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a connecting piece for quick change of a continuous casting round billet, and belongs to the technical field of metallurgical continuous casting. The device comprises an outer frame, wherein an inner frame is arranged in the outer frame, the bottom of the inner frame is supported at the bottom of the outer frame through a baffle plate, the outer frame, the baffle plate and the inner frame are coaxially arranged, and through holes are respectively formed in the centers of the outer frame, the baffle plate and the inner frame to form a molten steel flow channel; and a carrying line is arranged above the outer frame, and two ends of the carrying line are respectively connected with the bottom of the outer frame. The outer frame comprises an outer frame middle ring, an outer frame upper ring is arranged above the outer frame middle ring, an outer frame bottom plate is arranged below the outer frame middle ring, and the outer frame middle ring, the outer frame bottom plate and the outer frame bottom plate are coaxially arranged and fixedly connected through an outer frame side plate unit. The inner frame comprises an inner frame middle ring, an inner frame upper ring is arranged above the inner frame middle ring, an inner frame bottom plate is arranged below the inner frame middle ring, and the inner frame bottom plate, the inner frame middle ring, the inner frame bottom plate and the inner frame bottom plate are coaxially arranged and fixedly connected through an inner frame side plate unit. The utility model is suitable for quick change of casting blanks with phi of 1200mm and below, and improves the convenience of carrying and the success rate of quick change.
Description
Technical Field
The utility model relates to a connecting piece for quick change of a continuous casting round billet, and belongs to the technical field of metallurgical continuous casting.
Background
With the rapid development of continuous casting technology and the continuous improvement of continuous casting machines, the service life of a continuous casting tundish directly influences the production operation rate of the continuous casting machines, and different methods for prolonging the service life of the tundish exist at present, but the effect of continuous casting for a long time is still not achieved. The tundish quick-change technology can prolong the number of pouring furnaces, improve the operation rate of a casting machine, reduce the head and tail cutting amount of continuous casting blanks, reduce scrapping and improve the yield of molten steel. In the quick-change implementation process, the connecting piece is used for cooling molten steel in a crystallizer and forming a connecting part of casting blanks before and after casting blanks, and the connecting piece is required to bear the tensile force of the newly produced casting blanks, so that the connecting piece is one of key tools for judging whether the quick-change is successful. Because the section of the large-size casting blank is large and heavy, the harm caused by steel leakage at the joint is larger, and therefore, the connection strength of the connecting piece is required to be higher. The connecting piece of the prior art has the defects of different degrees in firmness degree, convenient use degree and quick change success rate.
Chinese patent CN 202199767U discloses a quick-change tool for a tundish of a medium-large continuous casting billet, which can be used for quick-changing a circular pipe casting billet with the diameter phi of 600mm. The connecting piece that this scheme involved can only be used to the quick change of phi 600mm pipe casting blank, can not be applied to the quick change of bigger specification pipe casting blank, has certain use section restriction, has certain not enough to firm degree and bearing capacity when the casting blank quick change of bigger section.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a connecting piece for quick change of a continuous casting round billet, which is applicable to quick change of casting billets with phi of 1200mm and below and improves the convenience of carrying and the success rate of quick change.
The utility model solves the problems by adopting the following technical scheme: the connecting piece for quick change of the continuous casting round billet comprises an outer frame, wherein an inner frame is arranged in the outer frame, the bottom of the inner frame is supported at the bottom of the outer frame through a baffle plate, the outer frame, the baffle plate and the inner frame are coaxially arranged, and the centers of the outer frame, the baffle plate and the inner frame are respectively provided with a through hole to form a molten steel flow channel; and a carrying line is arranged above the outer frame, and two ends of the carrying line are respectively connected with the bottom of the outer frame.
The number of the carrying lines is one or more.
The outer frame comprises an outer frame middle ring, an outer frame upper ring is arranged above the outer frame middle ring, an outer frame bottom plate is arranged below the outer frame middle ring, and the outer frame middle ring, the outer frame bottom plate and the outer frame bottom plate are coaxially arranged and fixedly connected through an outer frame side plate unit.
The outer frame side plate unit comprises a plurality of outer frame side plates, wherein the outer frame side plates are arranged at equal intervals in the circumferential direction, and outer frame side plate connecting hooks are respectively arranged between the adjacent outer frame side plates.
The inner frame comprises an inner frame middle ring, an inner frame upper ring is arranged above the inner frame middle ring, an inner frame bottom plate is arranged below the inner frame middle ring, and the inner frame bottom plate, the inner frame middle ring, the inner frame bottom plate and the inner frame bottom plate are coaxially arranged and fixedly connected through an inner frame side plate unit.
The inner frame side plate units comprise a plurality of inner frame side plates, a plurality of inner frame side plates are arranged at equal intervals in the circumferential direction, and inner frame side plate connecting hooks are respectively arranged between the adjacent inner frame side plates.
Compared with the prior art, the utility model has the advantages that: the connecting piece for quick change of the continuous casting round billet is suitable for quick change of casting billets with phi of 1200mm and below by carrying, and the carrying convenience and the quick change success rate are improved.
Drawings
FIG. 1 is a schematic view of a connecting piece for quick change of a round billet for continuous casting according to an embodiment of the present utility model;
in the figure, an outer frame 1, an upper ring of an outer frame 1.1, a middle ring of an outer frame 1.2, a bottom plate of an outer frame 1.3, side plates of an outer frame 1.4, an inner frame 2, an upper ring of an inner frame 2.1, a middle ring of an inner frame 2.2, a bottom plate of an inner frame 2.3, side plates of an inner frame 2.4, a partition plate 3 and a carrying line 4.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1, a connecting piece for quick-changing a continuous casting round billet in this embodiment includes an outer frame 1, an inner frame 2 is disposed in the outer frame 1, the bottom of the inner frame 2 is supported at the bottom of the outer frame 1 by a partition plate 3, and the three are fixedly connected by welding. The outer frame 1, the baffle 3 and the inner frame 2 are coaxially arranged, and the centers of the outer frame, the baffle 3 and the inner frame are respectively provided with a through hole to form a molten steel flow passage. And a carrying line 4 is arranged above the outer frame 1, and two ends of the carrying line 4 are respectively connected with the top of the outer frame 1. When the continuous casting device is used, the carrying line 4 is lifted, the connecting piece is lifted and carried and placed in the crystallizer, and after the connecting piece is placed stably, the carrying line is taken out from the outer frame, so that the quick change operation of the continuous casting process is realized.
The number of the carrying lines 4 is one or more, so that the carrying stability is improved.
The outer frame 1 comprises an outer frame upper ring 1.1 and an outer frame middle ring 1.2, wherein the outer frame upper ring 1.1 is arranged above the outer frame middle ring 1.2, an outer frame bottom plate 1.3 is arranged below the outer frame middle ring 1.2, and the outer frame bottom plate 1.3, the outer frame bottom plate 1.2 and the outer frame bottom plate are coaxially arranged and fixedly connected through an outer frame side plate unit to form a reticular frame structure. The outer frame side plate unit comprises a plurality of outer frame side plates 1.4, wherein the outer frame side plates 1.4 are arranged at equal intervals in the circumferential direction, and the outer frame side plates 1.4 are fixedly connected with an outer frame upper ring 1.1, an outer frame middle ring 1.2 and an outer frame bottom plate 1.3 respectively. And outer frame side plate connecting hooks are respectively arranged between the adjacent outer frame side plates 1.4, so that the outer frame strength is enhanced.
The inner frame 2 comprises an inner frame upper ring 2.1 and an inner frame middle ring 2.2, wherein the inner frame upper ring 2.1 is arranged above the inner frame middle ring 2.2, an inner frame bottom plate 2.3 is arranged below the inner frame middle ring 2.2, and the inner frame bottom plate 2.3, the inner frame bottom plate 2.1 and the inner frame bottom plate are coaxially arranged and fixedly connected through an inner frame side plate unit to form a netlike frame structure. The inner frame side plate unit comprises a plurality of inner frame side plates 2.4, wherein the inner frame side plates 2.4 are uniformly arranged at intervals in the circumferential direction, and the inner frame side plates 2.4 are fixedly connected with an inner frame upper ring 2.1, an inner frame middle ring 2.2 and an inner frame bottom plate 2.3 respectively. And inner frame side plate connecting hooks are respectively arranged between the adjacent inner frame side plates 2.4, so that the inner frame strength is enhanced.
The inner frame side plate connecting hooks and the outer frame side plate connecting hooks are Z-shaped structural members respectively.
The size of the upper ring of the outer frame is matched with that of the middle ring of the outer frame, and the diameter of the upper ring of the outer frame is larger than that of the bottom plate of the outer frame. The size of the upper ring of the inner frame is matched with that of the middle ring of the inner frame, and the diameter of the upper ring of the inner frame is larger than that of the bottom plate of the inner frame, so that the upper opening of the outer frame and the lower opening of the inner frame are respectively large.
Example 1
The connecting piece for quick change of the continuous casting round billet comprises an outer frame and an inner frame, and the matched size of a crystallizer is phi 1200mm. The sizes of the upper ring of the outer frame and the middle ring of the outer frame are phi 1050-1150mm, and the size of the bottom plate of the outer frame is phi 800-900mm. The upper part of the outer frame side plate is connected with the outer frame upper ring and the middle ring in a welding mode, the bottom of the outer frame side plate is connected with the outer frame bottom plate in a welding mode, the lower part of the outer frame side plate is obliquely arranged, and the normal included angle between the lower part of the outer frame side plate and the horizontal plane is 50-80 degrees. The sizes of the upper ring of the inner frame and the middle ring of the inner frame are phi 800-900mm, and the size of the bottom plate of the inner frame is phi 600-700mm. The outer diameter of the partition plate is the same as the outer diameter of the bottom plate of the inner frame. The centers of the outer frame bottom plate, the inner frame bottom plate and the partition plate are respectively provided with a through hole, so that a molten steel flow channel is formed, and molten steel is convenient to flow in. The outer frame is connected with the carrying line on the upper ring and is used for carrying the connecting piece, and after the connecting piece is placed stably, the carrying line is taken out from the upper ring, so that the quick change operation of the continuous casting process is realized.
Example two
The connecting piece for quick change of the continuous casting round billet comprises an outer frame and an inner frame, and the matched size of a crystallizer is phi 900mm. The sizes of the upper ring of the outer frame and the middle ring of the outer frame are phi 750-850mm, and the size of the bottom plate of the outer frame is phi 500-600mm. The upper part of the outer frame side plate is connected with the outer frame upper ring and the middle ring in a welding mode, the bottom of the outer frame side plate is connected with the outer frame bottom plate in a welding mode, the lower part of the outer frame side plate is obliquely arranged, and the normal included angle between the lower part of the outer frame side plate and the horizontal plane is 50-80 degrees. The sizes of the upper ring of the inner frame and the middle ring of the inner frame are phi 500-600mm, and the size of the bottom plate of the inner frame is phi 300-400mm. The outer diameter of the partition plate is the same as the outer diameter of the bottom plate of the inner frame. The centers of the outer frame bottom plate, the inner frame bottom plate and the partition plate are respectively provided with a through hole, so that a molten steel flow channel is formed, and molten steel is convenient to flow in. The outer frame is connected with the carrying line on the upper ring and is used for carrying the connecting piece, and after the connecting piece is placed stably, the carrying line is taken out from the upper ring, so that the quick change operation of the continuous casting process is realized.
Example III
The connecting piece for quick change of the continuous casting round billet comprises an outer frame and an inner frame, and the matched size of a crystallizer is phi 700mm. The sizes of the upper ring of the outer frame and the middle ring of the outer frame are phi 550-650mm, and the size of the bottom plate of the outer frame is phi 500-600mm. The upper part of the outer frame side plate is connected with the outer frame upper ring and the middle ring in a welding mode, the bottom of the outer frame side plate is connected with the outer frame bottom plate in a welding mode, the lower part of the outer frame side plate is obliquely arranged, and the normal included angle between the lower part of the outer frame side plate and the horizontal plane is 50-80 degrees. The sizes of the upper ring of the inner frame and the middle ring of the inner frame are phi 500-600mm, and the size of the bottom plate of the inner frame is phi 300-400mm. The outer diameter of the partition plate is the same as the outer diameter of the bottom plate of the inner frame. The centers of the outer frame bottom plate, the inner frame bottom plate and the partition plate are respectively provided with a through hole, so that a molten steel flow channel is formed, and molten steel is convenient to flow in. The outer frame is connected with the carrying line on the upper ring and is used for carrying the connecting piece, and after the connecting piece is placed stably, the carrying line is taken out from the upper ring, so that the quick change operation of the continuous casting process is realized.
In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (6)
1. A connecting piece for quick change of a continuous casting round billet is characterized in that: the device comprises an outer frame, wherein an inner frame is arranged in the outer frame, the bottom of the inner frame is supported at the bottom of the outer frame through a baffle plate, the outer frame, the baffle plate and the inner frame are coaxially arranged, and through holes are respectively formed in the centers of the outer frame, the baffle plate and the inner frame to form a molten steel flow channel; and a carrying line is arranged above the outer frame, and two ends of the carrying line are respectively connected with the bottom of the outer frame.
2. The connecting piece for quick change of continuous casting round billets according to claim 1, wherein: the number of the carrying lines is one or more.
3. The connecting piece for quick change of continuous casting round billets according to claim 1, wherein: the outer frame comprises an outer frame middle ring, an outer frame upper ring is arranged above the outer frame middle ring, an outer frame bottom plate is arranged below the outer frame middle ring, and the outer frame middle ring, the outer frame bottom plate and the outer frame bottom plate are coaxially arranged and fixedly connected through an outer frame side plate unit.
4. A continuous casting round billet quick change connector according to claim 3, wherein: the outer frame side plate unit comprises a plurality of outer frame side plates, wherein the outer frame side plates are arranged at equal intervals in the circumferential direction, and outer frame side plate connecting hooks are respectively arranged between the adjacent outer frame side plates.
5. The connecting piece for quick change of continuous casting round billets according to claim 1, wherein: the inner frame comprises an inner frame middle ring, an inner frame upper ring is arranged above the inner frame middle ring, an inner frame bottom plate is arranged below the inner frame middle ring, and the inner frame bottom plate, the inner frame middle ring, the inner frame bottom plate and the inner frame bottom plate are coaxially arranged and fixedly connected through an inner frame side plate unit.
6. The connecting piece for quick change of continuous casting round billets according to claim 5, wherein: the inner frame side plate units comprise a plurality of inner frame side plates, a plurality of inner frame side plates are arranged at equal intervals in the circumferential direction, and inner frame side plate connecting hooks are respectively arranged between the adjacent inner frame side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320099175.7U CN219852120U (en) | 2023-02-02 | 2023-02-02 | Connecting piece for quick change of continuous casting round billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320099175.7U CN219852120U (en) | 2023-02-02 | 2023-02-02 | Connecting piece for quick change of continuous casting round billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219852120U true CN219852120U (en) | 2023-10-20 |
Family
ID=88320239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320099175.7U Active CN219852120U (en) | 2023-02-02 | 2023-02-02 | Connecting piece for quick change of continuous casting round billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219852120U (en) |
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2023
- 2023-02-02 CN CN202320099175.7U patent/CN219852120U/en active Active
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