CN215144676U - Quick-changing and fixing device for pouring box bottom nozzle - Google Patents
Quick-changing and fixing device for pouring box bottom nozzle Download PDFInfo
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- CN215144676U CN215144676U CN202120390741.0U CN202120390741U CN215144676U CN 215144676 U CN215144676 U CN 215144676U CN 202120390741 U CN202120390741 U CN 202120390741U CN 215144676 U CN215144676 U CN 215144676U
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Abstract
The utility model provides a tundish nozzle quick-changing and fixing device, comprising a steel rod, a semicircular steel ring, a full-circle steel ring, a counterweight component, a counterweight fixing device, an assembly long bolt and an S-shaped hook, wherein one end of the steel rod is provided with the semicircular steel ring, the full-circle steel ring is arranged in the semicircular steel ring, two sides of the semicircular steel ring are provided with rotating shafts, the full-circle steel ring is rotationally connected with the semicircular steel ring through the rotating shafts, one end of the steel rod, which is far away from the semicircular steel ring, is provided with the counterweight component, the steel rod is provided with the counterweight fixing device, the assembly long bolt is provided with the S-shaped hook, and the steel rod is arranged in the S-shaped hook in a penetrating way; the full-circle steel ring connected through the rotating shaft is additionally arranged on the inner side of the semicircular steel ring, the upper part of the lower nozzle can be tightly connected and centered with the upper nozzle by the full-circle steel ring, the lower end of the lower nozzle can be centered with the center of the liquid level of the crystallizer, steel flow can enter the crystallizer in a centered mode, and the phenomenon of steel flow deviation cannot occur.
Description
Technical Field
The utility model relates to a steelmaking auxiliary assembly field especially relates to a mouth of a river quick change and fixing device under middle package.
Background
In order to improve the quality of continuous casting billets, protective pouring is needed in the continuous casting production, and in the continuous casting pouring process, because the refractory material of the tundish water gap is continuously eroded, the tundish water gap needs to be periodically replaced in the continuous casting pouring process;
the quick change and the fixed operation of the present tundish nozzle are that a steel rod strip steel circle tool is used for installing and fixing the tundish nozzle, but the defects of the method are that: the steel ring with the rod is not flexible enough, the fixed water outlet cannot be centered with the center of the liquid level of the crystallizer, when the steel flow enters the crystallizer, the steel flow is not centered, so that the temperature difference of the surface of the crystallizer is large, the blank shell thickness of the crystallizer is different, and the leakage accident of a continuous casting machine is increased; therefore, the utility model provides a quick change of mouth of a river and fixing device under centre package to the weak point among the solution prior art.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a mouth of a river quick change and fixing device under middle package through increasing a whole circle steel ring of connecting through the pivot in semicircle steel ring inboard, utilizes the upper portion and the last mouth of a river zonulae occludens and centering of mouth of a river under the whole circle steel ring can guarantee, and can guarantee down the lower extreme and the centering of crystallizer liquid level center at the mouth of a river, and the steel stream can the centering get into the crystallizer, can not appear the steel stream off tracking phenomenon.
In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a mouth of a river quick change and fixing device under middle package, includes steel pole, semicircle steel ring, whole circle steel ring, counter weight subassembly, counter weight fixing device, assembly stay bolt and S-shaped couple, steel pole one end is equipped with the semicircle steel ring, the inside whole circle steel ring that is equipped with of semicircle steel ring, semicircle steel ring both sides are equipped with the pivot, whole circle steel ring rotates through pivot and semicircle steel ring to be connected, the one end that semicircle steel ring was kept away from to the steel pole is equipped with the counter weight subassembly, be equipped with counter weight fixing device on the steel pole, the counter weight subassembly passes through counter weight fixing device and is fixed with the steel pole, the assembly stay bolt sets up in middle package body one side below, be equipped with the S-shaped couple on the assembly stay bolt, the steel pole is worn to establish in the S-shaped couple.
The further improvement lies in that: be equipped with the fixed orifices on the steel pole, the fixed orifices equidistance is equipped with a plurality ofly.
The further improvement lies in that: the counterweight component comprises a sliding block, a hook-and-loop chain and a counterweight block, the sliding block is arranged on the steel rod in a sliding mode, the hook-and-loop chain is arranged below the sliding block, and the counterweight block is arranged below the hook-and-loop chain.
The further improvement lies in that: the counterweight fixing device comprises an inserting rod and a pull ring, the sliding block is provided with an inserting hole, the inserting rod is arranged in the inserting hole, the lower end of the inserting rod is inserted into the fixing hole, and the pull ring is arranged above the inserting rod.
The further improvement lies in that: an internal thread sleeve is arranged on one side of the semicircular steel ring, and one end of the steel rod is in threaded connection with the internal thread sleeve.
The further improvement lies in that: the full-circle steel ring is provided with an insertion port, an operating rod is arranged in the insertion port and comprises a telescopic rod and an insertion rod, and the insertion rod is perpendicularly arranged at one end of the telescopic rod.
The utility model has the advantages that: the utility model discloses the structure is through increasing a whole circle steel ring of connecting through the pivot in semicircle steel ring inboard, utilizes whole circle steel ring can guarantee down the upper portion and the last mouth of a river zonulae occludens and centering of mouth of a river, and can guarantee down the lower extreme and the centering of crystallizer liquid level center of mouth of a river, and the steel stream can the centering get into the crystallizer, can not appear the steel stream off tracking phenomenon, can guarantee that crystallizer surface cooling temperature is even, and crystallizer shell thickness is even, can effectively prevent the conticaster and draw the hourglass accident, just the utility model discloses a rotate whole circle steel ring and semicircle steel ring and be connected the setting, but the steel pole forms mobile structure with whole circle steel ring synchronization, entangles down the mouth of a river after, puts under the effect of whole circle steel ring and can place on the ground, steel pole and lower mouth of a river can keep on an online.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic view of the structure and the assembly structure of the tundish body of the present invention.
Wherein: 1. a steel rod; 2. a semicircular steel ring; 3. rounding the steel ring; 4. assembling a long bolt; 5, an S-shaped hook; 6. a tundish body; 7. a fixing hole; 8. a slider; 9. a shackle chain; 10. a balancing weight; 11. inserting a rod; 12. a pull ring; 13. a jack; 14. an internal thread sleeve; 15. an interface; 16. a telescopic rod; 17. a plug rod.
Detailed Description
In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.
According to the figures 1 and 2, the embodiment provides a quick-change and fixing device for a tundish sewer port, which comprises a steel rod 1, a semicircular steel ring 2, a full-circle steel ring 3, a counterweight component, a counterweight fixing device, an assembly long bolt 4 and an S-shaped hook 5, wherein one end of the steel rod 1 is provided with the semicircular steel ring 2, the full-circle steel ring 3 is arranged inside the semicircular steel ring 2, the full-circle steel ring 3 connected through a rotating shaft is additionally arranged inside the semicircular steel ring 2, the full-circle steel ring 3 can ensure that the upper part of the sewer port is tightly connected and centered with an upper sewer port, the lower end of the sewer port is centered with the liquid level center of a crystallizer, steel flows can enter the crystallizer in a centered manner, the phenomenon of steel flow deviation cannot occur, the surface cooling temperature of the crystallizer can be ensured to be uniform, the thickness of a blank shell of the crystallizer is uniform, the accidents caused by the leakage of a continuous casting machine can be effectively prevented, the steel ring 3 that rounds rotates through pivot and semicircle steel ring 2 and is connected, the one end that semicircle steel ring 2 was kept away from to steel pole 1 is equipped with the counter weight subassembly, be equipped with counter weight fixing device on the steel pole 1, the counter weight subassembly passes through counter weight fixing device and fixes with steel pole 1, assembly stay bolt 4 sets up in 6 one side below of pouring basket body, be equipped with S-shaped couple 5 on the assembly stay bolt 4, steel pole 1 is worn to establish in S-shaped couple 5.
Be equipped with fixed orifices 7 on the steel pole 1, fixed orifices 7 equidistance is equipped with a plurality ofly.
The counter weight component includes sliding block 8, shackle chain 9 and balancing weight 10, the sliding block 8 that is equipped with on the steel pole 1, 8 below of sliding block are equipped with shackle chain 9, 9 below of shackle chain are equipped with balancing weight 10.
The counterweight fixing device comprises an inserted link 11 and a pull ring 12, a jack 13 is arranged on the sliding block 8, the inserted link 11 is arranged in the jack 13, the lower end of the inserted link 11 is inserted into the fixing hole 7, and the pull ring 12 is arranged above the inserted link 11.
An internal thread sleeve 14 is arranged on one side of the semicircular steel ring 2, and one end of the steel rod 1 is in threaded connection with the internal thread sleeve 14.
The full-circle steel ring 3 is provided with an insertion port 15, an operating rod is arranged in the insertion port 15 and comprises a telescopic rod 16 and an insertion rod 17, and the insertion rod 17 is vertically arranged at one end of the telescopic rod 16.
When the lower nozzle is quickly replaced and fixed, firstly, a baked lower nozzle is sleeved on a semicircular steel ring 2 and a full-circle steel ring 3, then the lower nozzle is moved to a tundish upper nozzle filled with molten steel, the upper part of the lower nozzle is aligned with the bottom of the upper nozzle, then an inserting rod 17 of an operating rod is inserted into an inserting port 15, the rotating angle of the full-circle steel ring 3 is adjusted by the operating rod, so that the lower end of the lower nozzle is adjusted, the lower end of the lower nozzle is aligned with the center of the liquid level of a crystallizer, then an S-shaped hook 5 on an assembly long bolt 4 is used for hooking a steel rod 1, a matched sliding block 10 is hung at the rear end of the steel rod 1 by utilizing the lever principle, after the installation position of the steel rod 8 is adjusted, a sliding block 8 is fixed in a fixing hole 7 at the corresponding position by utilizing an inserting rod 11, the tundish upper nozzle is tightly contacted with the upper end of the lower nozzle, and the lower end of the lower nozzle is aligned with the center of the liquid level of the crystallizer, then the stopper rod is started, molten steel enters the lower nozzle from the upper nozzle of the tundish and finally flows into the crystallizer, so that the casting protection effect is achieved;
when the lower nozzle is replaced and disassembled, the upper nozzle of the tundish is closed by the stopper rod, the sliding block 8 and the balancing weight 10 are taken down, the steel rod 1 is moved away, the lower nozzle is moved away, and then a new lower nozzle is replaced.
The utility model discloses the structure is through increasing a whole circle steel ring 3 of connecting through the pivot in 2 inboards of semicircle steel ring, utilizes whole circle steel ring 3 can guarantee the upper portion and the upper nozzle zonulae occludens and the centering of mouth of a river down, and can guarantee the centering of lower extreme and crystallizer liquid level center at the mouth of a river down, and the steel stream can the centering get into the crystallizer, can not appear the steel stream off tracking phenomenon, can guarantee that crystallizer surface cooling temperature is even, and crystallizer base shell thickness is even, can effectively prevent the conticaster and draw the leak accident, just the utility model discloses a rotate whole circle steel ring 3 and semicircle steel ring 2 and be connected the setting, but steel pole 1 forms mobile structure with whole circle steel ring 3 synchronization, entangles down the mouth of a river after, can place on the ground under whole circle steel ring 3's effect, steel pole 1 and lower mouth of a river can keep on a line.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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 (6)
1. The utility model provides a mouth of a river quick change and fixing device under middle package which characterized in that: comprises a steel rod (1), a semicircular steel ring (2), a full-circle steel ring (3), a counterweight component, a counterweight fixing device, an assembling long bolt (4) and an S-shaped hook (5), a semicircular steel ring (2) is arranged at one end of the steel rod (1), a full-circle steel ring (3) is arranged in the semicircular steel ring (2), the two sides of the semicircular steel ring (2) are provided with rotating shafts, the whole-circle steel ring (3) is rotationally connected with the semicircular steel ring (2) through the rotating shafts, one end of the steel rod (1) far away from the semicircular steel ring (2) is provided with a counterweight component, the steel rod (1) is provided with a counterweight fixing device, the counterweight component is fixed with the steel rod (1) through the counterweight fixing device, the assembling long bolt (4) is arranged below one side of the tundish body (6), the assembling long bolt (4) is provided with an S-shaped hook (5), and the steel rod (1) penetrates through the S-shaped hook (5).
2. The quick-change and fixing device for the pouring box nozzle according to claim 1, characterized in that: be equipped with fixed orifices (7) on steel pole (1), fixed orifices (7) equidistance is equipped with a plurality ofly.
3. The quick-change and fixing device for the pouring box nozzle according to claim 2, wherein: the counterweight assembly comprises a sliding block (8), a hook-and-loop chain (9) and a counterweight block (10), the sliding block (8) is arranged on the steel rod (1) in a sliding mode, the hook-and-loop chain (9) is arranged below the sliding block (8), and the counterweight block (10) is arranged below the hook-and-loop chain (9).
4. The quick-change and fixing device for the pouring box nozzle according to claim 3, wherein: the counterweight fixing device comprises an inserting rod (11) and a pull ring (12), an inserting hole (13) is formed in the sliding block (8), the inserting rod (11) is arranged in the inserting hole (13), the lower end of the inserting rod (11) is inserted into the fixing hole (7), and the pull ring (12) is arranged above the inserting rod (11).
5. The quick-change and fixing device for the pouring box nozzle according to claim 1, characterized in that: an internal thread sleeve (14) is arranged on one side of the semicircular steel ring (2), and one end of the steel rod (1) is in threaded connection with the internal thread sleeve (14).
6. The quick-change and fixing device for the pouring box nozzle according to claim 1, characterized in that: be equipped with interface (15) on whole circle steel ring (3), be equipped with the action bars in interface (15), the action bars includes telescopic link (16) and bayonet pole (17), telescopic link (16) one end is equipped with bayonet pole (17) perpendicularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120390741.0U CN215144676U (en) | 2021-02-22 | 2021-02-22 | Quick-changing and fixing device for pouring box bottom nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120390741.0U CN215144676U (en) | 2021-02-22 | 2021-02-22 | Quick-changing and fixing device for pouring box bottom nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN215144676U true CN215144676U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120390741.0U Active CN215144676U (en) | 2021-02-22 | 2021-02-22 | Quick-changing and fixing device for pouring box bottom nozzle |
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| CN (1) | CN215144676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401192A (en) * | 2022-09-09 | 2022-11-29 | 山东莱钢永锋钢铁有限公司 | Method for conveniently blocking and centering lower nozzle of tundish |
-
2021
- 2021-02-22 CN CN202120390741.0U patent/CN215144676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401192A (en) * | 2022-09-09 | 2022-11-29 | 山东莱钢永锋钢铁有限公司 | Method for conveniently blocking and centering lower nozzle of tundish |
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