CN211939028U

CN211939028U - Durable ladle nozzle sliding mechanism

Info

Publication number: CN211939028U
Application number: CN202020609836.2U
Authority: CN
Inventors: 高士祥; 代宇明
Original assignee: Anshan Weigang Continuous Casting Equipment Co ltd
Current assignee: Anshan Weigang Continuous Casting Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-17
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a durable ladle mouth of a river slide mechanism, through the portal connection between the one end of upper ledge frame and underframe, the other end is through matched with round pin hub connection, the side that the upper ledge frame is close to the underframe is equipped with the mounting groove, be equipped with the slide in the mounting groove, upper ledge plate one end is equipped with fastener one, be equipped with mounting hole one above the upper ledge frame, be equipped with the mouth of a river in the mounting hole one, the side that the underframe is close to the upper ledge frame is equipped with the recess, the equal equipartition of bottom surface both sides department is equipped with a plurality of spring groove in the recess, the spring inslot all is equipped with disc spring, sliding connection is equipped with the slide box in the recess, both sides department all is equipped with the draw runner below the slide box, the spring groove of grooved underside both sides all leans out the setting, the draw runner lower extreme is equipped. The utility model has the advantages that: avoid snakelike motion, improve resistant material life-span, it is safe in utilization.

Description

Durable ladle nozzle sliding mechanism

Technical Field

The utility model relates to the technical field of steel smelting, in particular to a durable steel ladle nozzle sliding mechanism.

Background

In the metallurgical industry, along with the development of rapid and efficient continuous casting and secondary refining technologies and processes, a sliding gate nozzle system becomes more and more important in the modern steel smelting process and becomes an indispensable part in smelting. The device is a molten steel control device in the casting process of a continuous casting machine, and can accurately adjust the water flow from a steel ladle to a continuous casting tundish, so that the inflow and outflow molten steel are balanced, and the continuous casting operation is easier to control. The sliding gate system has been rapidly developed because of its good controllability, which can improve the production efficiency of steel making. At present, sliding nozzle systems are commonly used at home and abroad on steel ladles and tundishes.

At the ladle slide mechanism that present steel mill used, the major part is vertical spring to the pressure of sliding box, and this kind of form slide easily produces snakelike motion when the mechanism moves, causes upper and lower slide hole skew, causes the decentration, influences resistant material's life. In addition, the upper and lower sliding plates of the existing ladle sliding mechanism are not provided with a clamping structure during installation, and steel leakage is easy to occur after the upper and lower sliding plates generate cracks during use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above-mentioned problem, provide one kind and avoid serpentine motion, improve resistant material life-span, ladle mouth of a river slide mechanism safe in utilization.

In order to solve the technical problem, the utility model provides a technical scheme does: a durable steel ladle nozzle sliding mechanism comprises an upper frame and a lower frame, wherein one ends of the upper frame and the lower frame are connected through a door shaft, the other ends of the upper frame and the lower frame are connected through a matched pin shaft, a mounting groove is formed in the side face, close to the lower frame, of the upper frame, an upper sliding plate is arranged in the mounting groove, one end of the upper sliding plate is provided with a first fastening piece, a first mounting hole communicated with the mounting groove is formed in the upper face of the upper frame, a first water inlet is formed in the first mounting hole, a first through hole is formed in the upper sliding plate and communicated with the first water inlet, a groove is formed in the side face, close to the upper frame, of the lower frame, a plurality of spring grooves are uniformly distributed in the two sides of the inner bottom face of the groove, butterfly springs are arranged in the spring grooves, a sliding box is arranged in the groove in, the slide bar lower extreme is equipped with the breach perpendicular with disc spring looks, be equipped with the lower slide in the sliding box, the one end that fastener one was kept away from to the lower slide is equipped with fastener two, be equipped with below the underframe with the sliding box in the mounting hole two of intercommunication, be equipped with down the mouth of a river in the mounting hole two, mouth of a river upper end and lower slide fixed connection down, be equipped with through-hole two with down mouth of a river hole intercommunication above the lower slide, be equipped with solid fixed ring two between mouth of a river lateral surface and the mounting hole two, gu be equipped with the tight cover in the fixed ring two and be close to between lower extreme and the mouth of a river, upper frame one end just is close to fastener one and is equipped with the.

Further, the first fastening piece is provided with a horseshoe shape with elasticity.

Furthermore, the second fastening piece is in a horseshoe shape with elasticity.

Furthermore, a first fixing ring is arranged between the outer side surface of the upper water gap and the first mounting hole.

Furthermore, heat insulation plates are symmetrically arranged below the tightening sleeve relative to the center of the tightening sleeve.

Further, the hydraulic driving device comprises a mounting frame, a connecting channel is communicated with the interior of the groove and the mounting frame, a hydraulic cylinder is arranged in the mounting frame, and the output end of the hydraulic cylinder penetrates through the connecting channel to be fixedly connected with the sliding box.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses the product changes traditional vertical spring structure into the spring structure of slope, avoids the effort to be centripetal force, guarantees that slide linear motion down avoids producing serpentine motion, therefore improves resistant material life-span, reduces resistant material consumption, practices thrift manufacturing cost, and upper and lower slide has all designed the shape of a hoof and has pressed from both sides tight structure, exerts pretension centripetal force to upper and lower slide, because the crackle has no way to avoid, makes the crackle not spread when the crackle produces, does not enlarge, guarantees safe in utilizationly.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the upper and lower nozzles of a durable ladle nozzle sliding mechanism.

Fig. 2 is a schematic top view of the open state of the durable ladle nozzle sliding mechanism of the present invention.

As shown in the figure: 1. an upper frame; 2. a lower frame; 3. mounting grooves; 4. an upper slide plate; 5. a first fastener; 6. a first mounting hole; 7. a water feeding port; 8. a first through hole; 9. a groove; 10. a spring slot; 11. a belleville spring; 12. a slide box; 13. a slide bar; 14. a lower slide plate; 15. a second fastener; 16. a second mounting hole; 17. a water outlet; 18. a second fixing ring; 19. tightly pushing the sleeve; 20. a hydraulic drive device; 21. a first fixing ring; 22. a heat insulation plate; 23. a mounting frame; 24. a notch; 25. and a second through hole.

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 durable ladle nozzle sliding mechanism comprises an upper frame 1 and a lower frame 2, wherein one ends of the upper frame 1 and the lower frame 2 are connected through a door shaft, the other ends of the upper frame 1 and the lower frame 2 are connected through a matched pin shaft, a mounting groove 3 is formed in the side surface, close to the lower frame 2, of the upper frame 1, an upper sliding plate 4 is arranged in the mounting groove 3, a first fastening piece 5 is arranged at one end of the upper sliding plate 4, a first mounting hole 6 communicated with the mounting groove 3 is formed in the upper frame 1, a first water inlet 7 is arranged in the first mounting hole 6, a first through hole 8 is formed in the upper sliding plate 4 and communicated with the first water inlet 7, a groove 9 is formed in the side surface, close to the upper frame 1, a plurality of spring grooves 10 are uniformly distributed at the two sides of the inner bottom surface of the groove 9, butterfly, the sliding strips 13 are arranged at the two sides below the sliding box 12 and above the belleville springs 11, the spring grooves 10 at the two sides of the bottom surface of the groove 9 are arranged obliquely outwards, the lower end of the slide bar 13 is provided with a gap 24 vertical to the belleville spring 11, the slide box 12 is internally provided with a lower slide plate 14, a second fastening piece 15 is arranged at one end of the lower sliding plate 14 far away from the first fastening piece 5, a second mounting hole 16 communicated with the inside of the sliding box 12 is arranged below the lower frame 2, a lower water gap 17 is arranged in the second mounting hole 16, the upper end of the lower water gap 17 is fixedly connected with the lower sliding plate 14, a second through hole 25 is arranged on the upper surface of the lower sliding plate 14 and communicated with the inner hole of the lower nozzle 17, a second fixing ring 18 is arranged between the outer side surface of the lower nozzle 17 and the second mounting hole 16, a jacking sleeve 19 is arranged in the second fixing ring 18 and between the lower end of the second fixing ring and the lower water gap 17, and a hydraulic driving device 20 for driving the sliding box 12 is arranged at one end of the upper frame 1 and close to the first fastener 5.

The first fastener 5 is in a horseshoe shape with elasticity.

The second fastening piece 15 is in a horseshoe shape with elasticity.

And a first fixing ring 21 is arranged between the outer side surface of the upper water gap 7 and the first mounting hole 6.

The lower part of the tightening sleeve 19 is symmetrically provided with heat insulation plates 22 around the center of the tightening sleeve 19.

The hydraulic driving device 20 comprises an installation frame 23, a connecting channel is communicated between the groove 9 and the installation frame 23, a hydraulic cylinder is arranged in the installation frame 23, and the output end of the hydraulic cylinder penetrates through the connecting channel to be fixedly connected with the sliding box 12.

The utility model discloses when the concrete implementation, upper nozzle 7 and upper slide plate 4 are fixed in mounting groove 3 of upper frame 1, it is fixed still to increase the fixed block between preferred upper nozzle 7 and the mounting groove 3, lower slide plate 14 and lower nozzle 17 are installed in slide box 12, slide box 12 sliding connection is in the recess 9 of underframe 2, slide box 12, lower slide plate 14 etc. are driven by hydraulic drive device 20, can do rectilinear movement around in recess 9, when upper slide plate 4, the through-hole one 8 and the through-hole two 25 of lower slide plate 14 coincide, the mouth of a river aperture is the biggest, when not coinciding, the mouth of a river is closed, through-hole one 8 and through-hole two 25 cooperate with upper nozzle 7, lower nozzle 17 hole aperture respectively; the lower sliding plate 14 is pressed by a belleville spring 11, so that the gap between the upper sliding plate 4 and the lower sliding plate 14 is controlled, and the lower sliding plate 14 is prevented from steel leakage; the hydraulic cylinder is used as a drive to control the upper sliding plate 4 and the lower sliding plate 14, namely whether the upper nozzle 7 and the lower nozzle 17 are overlapped or not, so that the flow of the steel flow can be effectively controlled; the clamping mechanism of the upper sliding plate 4 and the lower sliding plate 14 with the horseshoe-shaped elastic fasteners I5 and II 15 arranged at one ends is adopted, so that cracks of the upper sliding plate 4 and the lower sliding plate 14 can be caused in non-dangerous areas (because the cracks cannot be avoided); an external spring group, namely a belleville spring 11 is adopted to apply uniform load to the lower sliding plate 14, so that the upper sliding plate 4 and the lower sliding plate 14 are in a close fit state, the relaxation degree does not need to be adjusted, and the inclined belleville spring 11 structure avoids acting force as centripetal force, and can effectively avoid steel leakage of the lower sliding plate 14; the utility model thoroughly solves the problem that the similar mechanism generates snake-shaped motion when the lower sliding plate 14 is opened and closed, thereby being safer and more reliable; adopt permanent heat insulating board 22, it is right to have effectively obstructed the molten steel heat the utility model discloses the erosion of product, effectual improvement mechanism life.

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

1. A durable ladle nozzle sliding mechanism comprises an upper frame and a lower frame, and is characterized in that: one end of the upper frame and one end of the lower frame are connected through a door shaft, the other end of the upper frame and the lower frame are connected through a matched pin shaft, a mounting groove is formed in the side face, close to the lower frame, of the upper frame, an upper sliding plate is arranged in the mounting groove, a first fastening piece is arranged at one end of the upper sliding plate, a first mounting hole communicated with the mounting groove is formed in the upper surface of the upper frame, a first water feeding port is formed in the first mounting hole, a first through hole is formed in the upper sliding plate and communicated with the first water feeding port, a groove is formed in the side face, close to the upper frame, of the lower frame, a plurality of spring grooves are uniformly distributed in the two sides of the bottom surface of the groove, disc springs are arranged in the spring grooves, sliding boxes are arranged in the grooves in a sliding connection mode, sliding strips are arranged in the two, the improved slide box is characterized in that a lower slide plate is arranged in the slide box, one end, away from the first fastener, of the lower slide plate is provided with a second fastener, a second mounting hole communicated with the inside of the slide box is formed in the lower frame, a lower water gap is formed in the second mounting hole, the upper end of the lower water gap is fixedly connected with the lower slide plate, a second through hole is formed in the lower slide plate and communicated with an inner hole of the lower water gap, a second fixing ring is arranged between the outer side face of the lower water gap and the second mounting hole, a jacking sleeve is arranged in the second fixing ring and between the lower end and the lower water gap, and one end of the upper frame.

2. A durable ladle nozzle slide mechanism as claimed in claim 1, wherein: the first fastening piece is arranged to be in a horse-shoe shape with elasticity.

3. A durable ladle nozzle slide mechanism as claimed in claim 1, wherein: the second fastening piece is in a horseshoe shape with elasticity.

4. A durable ladle nozzle slide mechanism as claimed in claim 1, wherein: and a first fixing ring is arranged between the outer side surface of the upper water gap and the first mounting hole.

5. A durable ladle nozzle slide mechanism as claimed in claim 1, wherein: and heat insulation plates are symmetrically arranged below the jacking sleeve relative to the center of the jacking sleeve.

6. A durable ladle nozzle slide mechanism as claimed in claim 1, wherein: the hydraulic driving device comprises a mounting frame, a connecting channel is communicated with the interior of the groove and the mounting frame, a hydraulic cylinder is arranged in the mounting frame, and the output end of the hydraulic cylinder penetrates through the connecting channel to be fixedly connected with the sliding box.