CN216758094U - Equipment for inhibiting cracks at corners of continuous casting slabs - Google Patents
Equipment for inhibiting cracks at corners of continuous casting slabs Download PDFInfo
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- CN216758094U CN216758094U CN202123297218.2U CN202123297218U CN216758094U CN 216758094 U CN216758094 U CN 216758094U CN 202123297218 U CN202123297218 U CN 202123297218U CN 216758094 U CN216758094 U CN 216758094U
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Abstract
The utility model relates to the technical field of metallurgical continuous casting, in particular to equipment for inhibiting corner cracks of a continuous casting slab. The device comprises a U-shaped clamping groove, wherein two ends of the top of the U-shaped clamping groove are in threaded connection with pressing plates, a first cushion block and a second cushion block are respectively arranged at two ends of the inner side of the U-shaped clamping groove, an inner arc clamping groove block is respectively arranged between the upper end of the first cushion block and the corresponding pressing plate, and one end, far away from the side wall of the U-shaped clamping groove, of the inner arc clamping groove block is in threaded connection with a first basic clamping groove block; an outer arc clamping groove block is arranged between the upper end of the second cushion block and the corresponding pressing plate, and one end, far away from the side wall of the U-shaped clamping groove, of the outer arc clamping groove block is welded with the second basic clamping groove block; the second foundation clamping groove block is fixedly connected with a foundation frame of the continuous casting machine; the vertical bending section trunnion is positioned between the first basic clamping groove block and the second basic clamping groove block. By using this equipment, the slab is weakened to undergo undesirable additional large deformations at this location.
Description
Technical Field
The utility model relates to the technical field of metallurgical continuous casting, in particular to equipment for inhibiting corner cracks of a continuous casting slab.
Background
The occurrence of corner cracks in the continuous casting slab is a common quality defect of slabs produced by a vertical bending type continuous casting machine, particularly high-strength low-alloy steel with relatively high contents of aluminum, boron, niobium and the like such as Q355B is produced, the corner cracks in the continuous casting slab are more prominent, and the quality of a real object cannot meet the requirements of customers.
For the vertical bending type slab continuous casting machine, the casting blank is in a high-temperature stage when the continuous casting blank just exits a crystallizer in the operation of a vertical bending section, the top bending is required to be carried out at the middle part of the vertical bending section, the casting blank enters an arc section, and the temperature of the casting blank in a straightening area is in a relatively lower temperature range. Clamping and fixing a vertical bending section trunnion of the vertical bending type continuous casting machine through a basic clamping groove block; because the installation founds the curved section basic draw-in groove inner arc side and fixes on basic frame by 4 bolts with the round pin between disappearing, in the production process, because the effect of the throwing power, cause the interior arc side draw-in groove piece frequent appear crooked or shift, cause the corresponding emergence of the curved section of founding to shift, cause the casting blank to appear in this place unnecessary deformation.
SUMMERY OF THE UTILITY MODEL
The utility model provides equipment for inhibiting cracks at the corner of a continuous casting slab, aiming at the defects in the prior art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the equipment comprises a U-shaped clamping groove, wherein two ends of the top of the U-shaped clamping groove are in threaded connection with pressing plates, two ends of the inner side of the U-shaped clamping groove are respectively provided with a first cushion block and a second cushion block, an inner arc clamping groove block is arranged between the upper end of the first cushion block and the corresponding pressing plate, and one end, far away from the side wall of the U-shaped clamping groove, of the inner arc clamping groove block is in threaded connection with a first basic clamping groove block; an outer arc clamping groove block is arranged between the upper end of the second cushion block and the corresponding pressing plate, and one end, far away from the side wall of the U-shaped clamping groove, of the outer arc clamping groove block is welded with the second basic clamping groove block; the second foundation clamping groove block is fixedly connected with a foundation frame of the continuous casting machine; the vertical bending section trunnion is positioned between the first basic clamping groove block and the second basic clamping groove block.
Furthermore, the inner arc clamping groove block is in threaded connection with the bolt holes in the side wall of the U-shaped clamping groove, and the distance between the inner arc clamping groove block and the first basic clamping groove block can be adjusted through the bolts.
Furthermore, a plurality of bolt holes and corresponding bolts are arranged on the side wall of the U-shaped clamping groove corresponding to the outer arc clamping groove block; the clamping is further realized by adjusting bolts on the side where the inner arc clamping groove blocks are located and inserting gaskets between the vertical bending section trunnions and the basic clamping groove blocks on the two sides.
Furthermore, the distance between the first basic clamping groove block and the second basic clamping groove block is 0.05-0.25 mm larger than the diameter of the shaft sleeve of the trunnion at the vertical bending section.
The utility model has the beneficial effects that:
the equipment is provided with the inner arc clamping groove block connected with the first basic clamping groove block in the U-shaped clamping groove, and the distance between the inner arc clamping groove block and the first basic clamping groove block can be adjusted through the bolt; an outer arc clamping groove block is welded on the base clamping groove block II, and the distance between the base clamping groove block I and the base clamping groove block II can be adjusted so as to adapt to vertical bending section trunnions with different sizes; the reinforced fixation of the trunnion at the opposite bending section is realized by adjusting the bolt at the side of the inner arc clamping groove block and inserting a gasket between the trunnion at the vertical bending section and the basic clamping groove blocks at the two sides so as to be further clamped, so that the trunnion at the opposite bending section is prevented from shaking or shifting during production to drive the movement of the whole vertical bending section, and the continuous casting slab is correspondingly shifted; the second foundation clamping groove block is fixedly connected with the foundation frame of the continuous casting machine, so that the position change is not easy to occur in the using process; further prevents the displacement change of the vertical bending section in the using process, thereby ensuring that the continuous casting billet can well run according to the due track in the production process.
Drawings
FIG. 1 is a schematic structural view of the apparatus of the present invention.
In the figure, 1, a U-shaped clamping groove; 2. pressing a plate; 3. a first cushion block; 4. a second cushion block; 5. an inner arc clamping groove block; 6. a first basic clamping groove block; 7. an outer arc slot clamping block; 8. a second basic clamping groove block; 9. and a vertical bending section trunnion.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model discloses equipment for inhibiting cracks at the corner of a continuous casting slab, which comprises a U-shaped clamping groove 1, wherein two ends of the top of the U-shaped clamping groove 1 are in threaded connection with pressing plates 2, two ends of the inner side of the U-shaped clamping groove 1 are respectively provided with a first cushion block 3 and a second cushion block 4, an inner arc clamping groove block 5 is arranged between the upper end of the first cushion block 3 and the corresponding pressing plate 2, the inner arc clamping groove block 5 is in threaded connection with a plurality of bolt holes in the side wall of the U-shaped clamping groove 1, one end, far away from the side wall of the U-shaped clamping groove 1, of the inner arc clamping groove block 5 is in threaded connection with a first basic clamping groove block 6, and the distance between the inner arc clamping groove block 5 and the first basic clamping groove block 6 can be adjusted through bolts; an outer arc clamping groove block 7 is arranged between the upper end of the second cushion block 4 and the corresponding pressing plate 2, and one end, far away from the side wall of the U-shaped clamping groove 1, of the outer arc clamping groove block 7 is welded with a second basic clamping groove block 8; a plurality of bolt holes and corresponding bolts are arranged on the side wall of the U-shaped clamping groove 1 corresponding to the outer arc clamping groove block 7; the vertical bending section trunnion 9 is positioned between the first basic clamping groove block 6 and the second basic clamping groove block 8; the bolts at the side of the inner arc clamping groove block 5 are adjusted, and gaskets are stuffed between the vertical bending section trunnion 9 and the basic clamping groove blocks at the two sides so as to be further clamped, so that the vertical bending section trunnion 9 is strengthened and fixed, the phenomenon that the vertical bending section trunnion 9 shakes or shifts during production to drive the whole vertical bending section to move is prevented, and the continuous casting slab correspondingly shifts; the second foundation clamping groove block 8 is fixedly connected with the foundation frame of the continuous casting machine, so that the position change is not easy to occur in the using process; further prevents the displacement change of the vertical bending section in the using process, thereby leading the continuous casting billet to well run according to the due track in the production process.
During installation, the level of the U-shaped clamping groove 1 is detected and adjusted firstly, so that the height deviation of the two sides is controlled within 0.15 mm; then, measuring and adjusting the opening size of a basic clamping groove of a vertical bending section hanging point, wherein the deflection phenomenon is not allowed in the basic clamping groove, and the size deviation is controlled within 0.15 mm; the distance between the first basic clamping groove block 6 and the second basic clamping groove block 8 is slightly larger than the diameter of a shaft sleeve of the trunnion 9 at the vertical bending section by 0.05-0.25 mm.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (4)
1. An apparatus for suppressing cracks at corners of a continuously cast slab, characterized in that: the device comprises a U-shaped clamping groove, wherein two ends of the top of the U-shaped clamping groove are in threaded connection with pressing plates, two ends of the inner side of the U-shaped clamping groove are respectively provided with a first cushion block and a second cushion block, an inner arc clamping groove block is arranged between the upper end of the first cushion block and the corresponding pressing plate, and one end, far away from the side wall of the U-shaped clamping groove, of the inner arc clamping groove block is in threaded connection with a first basic clamping groove block; an outer arc clamping groove block is arranged between the upper end of the second cushion block and the corresponding pressing plate, and one end, far away from the side wall of the U-shaped clamping groove, of the outer arc clamping groove block is welded with the second basic clamping groove block; the second foundation clamping groove block is fixedly connected with a foundation frame of the continuous casting machine; the vertical bending section trunnion is positioned between the first basic clamping groove block and the second basic clamping groove block.
2. The apparatus for suppressing corner cracks of a continuous casting slab as claimed in claim 1, wherein: the inner arc clamping groove blocks are in threaded connection with a plurality of bolt holes in the side wall of the U-shaped clamping groove, and the distance between the inner arc clamping groove blocks and the first basic clamping groove block can be adjusted through the bolts.
3. The apparatus for suppressing corner cracks of a continuous casting slab as set forth in claim 1, wherein: a plurality of bolt holes and corresponding bolts are arranged on the side wall of the U-shaped clamping groove corresponding to the outer arc clamping groove block; the clamping is further realized by adjusting bolts on the side where the inner arc clamping groove blocks are located and inserting gaskets between the vertical bending section trunnions and the basic clamping groove blocks on the two sides.
4. The apparatus for suppressing corner cracks of a continuous casting slab as set forth in claim 1, wherein: the distance between the first basic clamping groove block and the second basic clamping groove block is 0.05-0.25 mm larger than the diameter of the shaft sleeve of the trunnion at the vertical bending section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297218.2U CN216758094U (en) | 2021-12-24 | 2021-12-24 | Equipment for inhibiting cracks at corners of continuous casting slabs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297218.2U CN216758094U (en) | 2021-12-24 | 2021-12-24 | Equipment for inhibiting cracks at corners of continuous casting slabs |
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| Publication Number | Publication Date |
|---|---|
| CN216758094U true CN216758094U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123297218.2U Active CN216758094U (en) | 2021-12-24 | 2021-12-24 | Equipment for inhibiting cracks at corners of continuous casting slabs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301910A (en) * | 2022-08-17 | 2022-11-08 | 新余钢铁股份有限公司 | Zero section fixing device of slab caster |
-
2021
- 2021-12-24 CN CN202123297218.2U patent/CN216758094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301910A (en) * | 2022-08-17 | 2022-11-08 | 新余钢铁股份有限公司 | Zero section fixing device of slab caster |
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