CN212419619U - Tundish water gap quick-changing mechanism - Google Patents
Tundish water gap quick-changing mechanism Download PDFInfo
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- CN212419619U CN212419619U CN202020609830.5U CN202020609830U CN212419619U CN 212419619 U CN212419619 U CN 212419619U CN 202020609830 U CN202020609830 U CN 202020609830U CN 212419619 U CN212419619 U CN 212419619U
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- main frame
- river
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- nozzle
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Abstract
The utility model discloses a quick change mechanism of middle package mouth of a river, including the mouth of a river and lower mouth of a river, the mouth of a river lateral surface just is close to the lower extreme and is equipped with the main frame, be equipped with the clamp plate of fixing the mouth of a river in the main frame above the main frame, just be close to the mouth of a river both sides above the clamp plate and all be equipped with the bar through-hole, just be located the bar through-hole above the main frame and all be equipped with the cam, the side is equipped with the mounting groove above the main frame and is located mouth of a river back, be equipped with the fastening fender piece in the mounting groove, the clamp plate rear end extends to above the mounting groove, the both sides that are close to the mouth of a river below the main frame are equipped with the fixed block that mouth of a river and last mouth of a river are connected. The utility model has the advantages that: simple manufacture and convenient operation, installation dismantlement labour saving and time saving.
Description
Technical Field
The utility model relates to a quick change mechanism of a soaking water gap on the continuous casting tundish, in particular to a quick change mechanism of a tundish water gap.
Background
The most of domestic continuous casting machine tundishes adopt the built-in whole immersion nozzle, because the immersion nozzle life limits the number of single tundish continuous casting furnaces, the immersion nozzle is mainly corroded by high-temperature molten steel and steel slag and is easily damaged by scouring in the casting process of the part inside a continuous casting crystallizer, and the damage is serious, so that the continuous casting is stopped and the operation of replacing the immersion nozzle is adopted by most manufacturers for realizing multi-furnace continuous casting.
The immersed nozzle quick-change mechanism used on the tundish of the continuous casting workshop of the steel mill at present mostly has the following problems: the immersion nozzle quick-change mechanism and the upper nozzle are clamped tightly to be a pressing block, the manufacturing is complex, and the immersion nozzle quick-change mechanism is inconvenient to disassemble, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to solve above-mentioned problem, provide a simple and convenient operation of preparation, installation and dismantlement labour saving and time saving's quick change mechanism of tundish water gap.
In order to solve the technical problem, the utility model provides a technical scheme does: a tundish nozzle quick-changing mechanism comprises an upper nozzle and a lower nozzle, wherein a main frame is arranged on the outer side surface of the upper nozzle and close to the lower end of the upper nozzle, a pressing plate for fixing the upper nozzle in the main frame is arranged on the main frame, strip-shaped through holes are formed in the upper surface of the pressing plate and close to the two sides of the upper nozzle, cams are arranged on the main frame and in the strip-shaped through holes, the cams are symmetrically arranged about the center of the upper nozzle, a cover plate for pressing the cams in the strip-shaped through holes is arranged on the pressing plate, a mounting groove is formed in the upper surface of the main frame and at the rear side edge of the upper nozzle, a fastening stopper is arranged in the mounting groove, the rear end of the pressing plate extends to the upper surface of the mounting groove, the lower nozzle is connected with the axis of the upper nozzle in a superposition manner, fixed, the mounting hole lower extreme keeps away from the slope setting each other, be equipped with the spring in the mounting hole, just be close to the lower extreme in the mounting hole and be equipped with the fender ring that prevents the spring to pop out, just be close to the mounting hole below the fixed block and all be equipped with the heat shield through bolted connection, heat shield one end is located the below of mounting hole, the side is equipped with fastening device one and fastening device two respectively around the main frame.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses the product will be gone up the mouth of a river and press from both sides tight form and change into the tight form of cam clamp, simple manufacture and convenient operation, labour saving and time saving change the connection form of forced air cooling and argon gas among the conventional art into the fastening and keep off the piece and connect, cancel metal collapsible tube, reduce spare parts volume, practice thrift the cost.
As an improvement, the mounting groove is rectangular, the fastening stopper is designed to be v-shaped or arc-shaped, and the opening end of the fastening stopper is close to the water feeding port.
As an improvement, the side surfaces, which are positioned below the main frame and far away from the fixing blocks, are provided with reinforcing strips, and the V-shaped or arc-shaped surfaces adapt to the arc-shaped surfaces of the water feeding openings, so that a fastening effect is better achieved.
As an improvement, the fastening mechanism I comprises a first bolt and an installation block which are respectively arranged on two sides of the front side face of the main frame, the reinforcing strip extends to the lower face of the installation block and is fixedly connected with the installation block, and the free end of the first bolt is fixedly connected with the installation block to enhance the fastening performance.
As an improvement, fastening device two includes the articulated connecting block that is equipped with of main frame trailing flank one side department, main frame trailing flank opposite side department is equipped with the mounting bracket, through two fixed connection of bolt between mounting bracket and the connecting block, consolidate the strip and extend to below connecting block and the mounting bracket and respectively with connecting block and mounting bracket fixed connection, strengthen the fastening nature.
Drawings
Fig. 1 is a schematic view of a main-view section structure of a tundish nozzle quick-change mechanism of the utility model.
Fig. 2 is a schematic view of the top-view structure of a tundish nozzle quick-change mechanism of the present invention.
As shown in the figure: 1. a water feeding port; 2. a water outlet; 3. a main frame; 4. pressing a plate; 5. a strip-shaped through hole; 6. a cam; 7. a cover plate; 8. mounting grooves; 9. a fastening stopper; 10. a fixed block; 11. mounting holes; 12. a spring; 13. a baffle ring; 14. a heat shield; 15. an open end; 16. reinforcing the strips; 17. a first bolt; 18. mounting blocks; 19. connecting blocks; 20. a mounting frame; 21. and a second bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1 and 2, a tundish nozzle quick-change mechanism comprises an upper nozzle 1 and a lower nozzle 2, wherein a main frame 3 is arranged on the outer side surface of the upper nozzle 1 and close to the lower end, a pressing plate 4 for fixing the upper nozzle 1 in the main frame 3 is arranged on the main frame 3, strip-shaped through holes 5 are arranged on the pressing plate 4 and close to the two sides of the upper nozzle 1, cams 6 are arranged on the main frame 3 and in the strip-shaped through holes 5, the cams 6 are arranged symmetrically with respect to the center of the upper nozzle 1, a cover plate 7 for pressing the cams 6 in the strip-shaped through holes 5 is arranged on the pressing plate 4, an installation groove 8 is arranged on the main frame 3 and at the rear side edge of the upper nozzle 1, a fastening stopper 9 is arranged in the installation groove 8, the rear end of the pressing plate 4 extends to the installation groove 8, the lower nozzle 2 is connected with the axis of the upper nozzle 1 in an overlapped manner, and fixed blocks 10 for connecting, the side that fixed block 10 is close to lower mouth of a river 2 is equipped with mounting hole 11, the slope setting is kept away from each other to mounting hole 11 lower extreme, be equipped with spring 12 in the mounting hole 11, just be close to the lower extreme in the mounting hole 11 and be equipped with the fender ring 13 that prevents spring 12 to pop out, just be close to mounting hole 11 below the fixed block 10 and all be equipped with heat shield 14 through bolted connection, heat shield 14 one end is located the below of mounting hole 11, the side is equipped with fastening device one and fastening device two respectively around the main frame 3.
The mounting groove 8 is rectangular, the fastening stopper 9 is v-shaped or arc-shaped, and the open end 15 of the fastening stopper 9 is close to the water feeding port 1.
And reinforcing strips 16 are arranged on the sides, which are positioned below the main frame 3 and far away from the fixing blocks 10.
The first fastening mechanism comprises a first bolt 17 and a mounting block 18 which are respectively arranged on two sides of the front side surface of the main frame 3, the reinforcing strip 16 extends to the lower surface of the mounting block 18 and is fixedly connected with the mounting block 18, and the free end of the first bolt 17 is fixedly connected with the mounting block 18.
Fastening device two includes the articulated connecting block 19 that is equipped with of main frame 1 trailing flank one side department, 1 trailing flank opposite side department of main frame is equipped with mounting bracket 20, strengthen the strip 16 extend to below connecting block 19 and mounting bracket 20 and respectively with connecting block 19 and mounting bracket 20 fixed connection, pass through bolt two 21 fixed connection between mounting bracket 20 and the connecting block 19.
When the utility model is implemented, the product of the utility model is an immersion nozzle quick-change mechanism installed on a tundish, which can quickly change an immersion nozzle through a hydraulic driving device under the condition that molten steel is continuously poured, and does not need to lift a tundish car, and under the emergency condition, the mechanism can stop pouring by a blind plate;
the connection form of air cooling and argon of the utility model is changed into the connection of a fastening stopper 9, and the quality of steel is improved by the argon protection function; the baffle ring 13 is convenient for communicating air, the service life of the spring 12 is prolonged, and the preferred spring 12 is a belleville spring; the heat shield 14 blocks hot gas below the drain from the mechanism; the upper nozzle 1 is convenient to clamp by adopting the cam 6, the fastening effect is good, and the quick disassembly of the product of the utility model is convenient, a hydraulic driving device driving channel is arranged between the fixed blocks 10, so that the new lower nozzle 2 can be conveniently pushed to the upper nozzle 1, and the channel is the same as that of the traditional submersed nozzle quick-change mechanism, and the description is not repeated; the utility model discloses the product is suitable for various slab base types, divide into series such as TIF100, TIF85, TIF65 according to the base type.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a quick change mechanism of middle package mouth of a river, includes mouth of a river and lower mouth of a river, its characterized in that: a main frame is arranged on the outer side surface of the upper nozzle and close to the lower end, a pressing plate for fixing the upper nozzle in the main frame is arranged on the main frame, strip-shaped through holes are arranged on the pressing plate and close to the two sides of the upper nozzle, cams are arranged on the main frame and in the strip-shaped through holes, the cams are symmetrically arranged about the center of the upper nozzle, a cover plate for pressing the cams in the strip-shaped through holes is arranged on the pressing plate, a mounting groove is arranged on the rear side edge of the upper nozzle on the upper frame, a fastening stopper is arranged in the mounting groove, the rear end of the pressing plate extends to the upper surface of the mounting groove, the lower nozzle is connected with the axis of the upper nozzle in a superposition manner, fixed blocks for connecting the lower nozzle and the upper nozzle are arranged on the two sides of the lower frame close to, the spring is arranged in the mounting hole, a baffle ring for preventing the spring from popping up is arranged in the mounting hole and close to the lower end, a heat shield is arranged below the fixed block and close to the mounting hole through bolt connection, one end of the heat shield is located below the mounting hole, and a first fastening mechanism and a second fastening mechanism are arranged on the front side and the rear side of the main frame respectively.
2. The tundish nozzle quick-change mechanism according to claim 1, wherein: the mounting groove is rectangular, the fastening stopper is in a V shape or an arc shape, and the opening end of the fastening stopper is close to the water feeding port.
3. The tundish nozzle quick-change mechanism according to claim 1, wherein: and reinforcing strips are arranged on the side surfaces, which are positioned below the main frame and far away from the fixing blocks, respectively.
4. The tundish nozzle quick-change mechanism according to claim 3, wherein: the first fastening mechanism comprises a first bolt and an installation block, the first bolt and the installation block are respectively arranged on two sides of the front side face of the main frame, the reinforcing strip extends to the position below the installation block and is fixedly connected with the installation block, and a free end of the first bolt is fixedly connected with the installation block.
5. The tundish nozzle quick-change mechanism according to claim 3, wherein: the second fastening mechanism comprises a connecting block hinged to one side of the rear side face of the main frame, a mounting frame is arranged on the other side of the rear side face of the main frame, the mounting frame and the connecting block are fixedly connected through a bolt, and the reinforcing strip extends to the lower face of the connecting block and the mounting frame and is fixedly connected with the connecting block and the mounting frame respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609830.5U CN212419619U (en) | 2020-04-22 | 2020-04-22 | Tundish water gap quick-changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609830.5U CN212419619U (en) | 2020-04-22 | 2020-04-22 | Tundish water gap quick-changing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212419619U true CN212419619U (en) | 2021-01-29 |
Family
ID=74293161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020609830.5U Active CN212419619U (en) | 2020-04-22 | 2020-04-22 | Tundish water gap quick-changing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212419619U (en) |
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2020
- 2020-04-22 CN CN202020609830.5U patent/CN212419619U/en active Active
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