CN211218605U - Device for preventing narrow-face copper plate of slab caster from running cone - Google Patents
Device for preventing narrow-face copper plate of slab caster from running cone Download PDFInfo
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- CN211218605U CN211218605U CN201922165994.3U CN201922165994U CN211218605U CN 211218605 U CN211218605 U CN 211218605U CN 201922165994 U CN201922165994 U CN 201922165994U CN 211218605 U CN211218605 U CN 211218605U
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Abstract
The utility model discloses a prevent that slab caster leptoprosopy copper from running awl device belongs to metallurgical equipment technical field. The utility model relates to a device for preventing a narrow-face copper plate of a slab caster from running a cone, which comprises an upper cone-resisting mechanism and/or a lower cone-resisting mechanism; wherein: the upper cone blocking mechanism applies positive pressure to a narrow-face water tank on the outer wall of the upper narrow-face copper plate; the lower cone-resisting mechanism applies reverse pulling force to the narrow-face water tank on the outer wall of the narrow-face copper plate at the lower part, namely the upper cone-resisting mechanism can apply forward pressure to the narrow-face water tank at the upper part independently, the lower cone-resisting mechanism can apply reverse pulling force to the narrow-face water tank at the lower part, and of course, the upper cone-resisting mechanism and the lower cone-resisting mechanism can be used together, so that the cone running caused by different amounts of molten steel static pressure which is gradually reduced from bottom to top and is generated under the action of the vertical pressure of molten steel on the narrow-face copper plate of the crystallizer can be balanced.
Description
Technical Field
The utility model belongs to the technical field of the metallurgical equipment technique and specifically relates to a prevent that slab caster narrow face copper runs awl device that says so.
Background
The crystallizer of the continuous casting machine is used as a core component of the continuous casting machine, and has very direct influence on the production smoothness of the casting machine and the quality of a slab. Modern slab continuous casting machines all use width-adjustable crystallizers in order to achieve efficient production. The taper setting of the narrow-face copper plate of the crystallizer plays a key role in the product quality and the casting safety in a high-pulling-speed production mode. Proper taper directly influences whether the blank shell can be crystallized and grown in the crystallizer according to the intention of process design, defects such as angular cracking, recess and the like are closely related to the set taper, and wrong taper causes the blank shell to be pulled and cracked, the blank shell to be too thin and even causes steel leakage.
On the on-line width-adjusting crystallizer of the plate blank used at present, the mechanical transmission width-adjusting mechanism has the characteristics of low manufacturing cost and simple maintenance, and is adopted by a plurality of crystallizers. However, due to the accumulated error of the mechanical transmission mechanism, the existence of the necessary gap between the moving parts, and the abrasion of the sliding groove and the pin shaft, the transmission mechanism of the narrow-side water tank of the crystallizer can generate a 'backspacing' phenomenon under the vertical pressure of the molten steel on the crystallizer copper plate, the gap is formed between the crystallizer copper plate and the casting blank, and the taper of the crystallizer is easy to change. It is commonly called "running awl". In order to prevent the crystallizer from tapering, the machining precision of the transmission device is required to be improved, the accumulated error of equipment manufacture is reduced, and the manufacturing cost of the equipment is increased. If a hydraulic transmission width adjusting device is adopted, the hydraulic oil cylinder is used for pushing the sleeve to move to adjust the width of the crystallizer, so that displacement compensation can be realized, and the width adjusting precision of the crystallizer and the taper of the crystallizer are ensured. The width adjusting device of hydraulic transmission has complex control system and high equipment cost. The current requirements cannot be met by changing the existing mechanical width-adjusting crystallizer into hydraulic width-adjusting crystallizer.
How to prevent the taper of the slab crystallizer mechanical width adjusting device becomes a research topic in the slab crystallizer adopting a mechanical driving device.
Patent "a prevent running tapering crystallizer device" with application number CN201720961915 discloses a prevent running tapering crystallizer device, and it is mainly through setting up locking device at crystallizer narrow panel upside, effectively prevents the fore-and-aft movement of narrow face direction support cardboard in the production process, has avoided prior art can't eliminate the shortcoming of crystallizer running tapering that the speed reducer bearing clearance, lead screw nut clearance, joint bearing clearance of crystallizer brought.
Patent No. CN201410636305 "a method and device for dynamically maintaining taper of narrow face of slab crystallizer on line" discloses a device for dynamically maintaining taper of narrow face of slab crystallizer on line, which comprises four sets of independent narrowing mechanisms, wide face clamping mechanisms and crystallizer body, and mainly performs compensation adjustment by monitoring taper change condition in casting process, loosening wide face, and then adjusting the taper by the narrowing mechanism.
Although the patent has good effect on preventing the narrow-face copper plate from tapering, the patent has the defects of inconvenient operation, frequent movement of the narrow-face copper plate during casting and the like.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To prior art to preventing that the leptoprosopy copper from running the awl have the operation inconvenient with the pouring in leptoprosopy copper frequently move the scheduling problem, the utility model discloses a prevent that slab caster leptoprosopy copper from running awl device, through the leptoprosopy water tank to lower and/or leptoprosopy copper outer wall exert forward pressure and/or reverse pulling force, come the vertical pressure effect of balanced molten steel to crystallizer leptoprosopy copper, and then reach the problem of avoiding the leptoprosopy copper to run the awl.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
a device for preventing a narrow-face copper plate of a slab caster from running a cone comprises an upper cone-blocking mechanism and/or a lower cone-blocking mechanism; wherein: the upper cone blocking mechanism applies positive pressure to a narrow-face water tank on the outer wall of the upper narrow-face copper plate; the lower cone-resisting mechanism applies reverse pulling force to the narrow-face water tank on the outer wall of the narrow-face copper plate at the lower part, namely the upper cone-resisting mechanism can apply forward pressure to the narrow-face water tank at the upper part independently, the lower cone-resisting mechanism can apply reverse pulling force to the narrow-face water tank at the lower part, and of course, the upper cone-resisting mechanism and the lower cone-resisting mechanism can be used together, so that the cone running caused by different amounts of molten steel static pressure which is gradually reduced from bottom to top and is generated under the action of the vertical pressure of molten steel on the narrow-face copper plate of the crystallizer can be balanced.
According to a further technical scheme, the upper cone blocking mechanism comprises an upper fixing plate, an upper pressing plate, an upper support, an upper screw rod and an upper disc spring, wherein the upper fixing plate is fixed on the outer wall of the narrow-face water tank, the upper support is fixed on an upper telescopic rod, and one end of the upper screw rod transversely penetrates through the upper support and the upper pressing plate in sequence and then is fixed on the upper fixing plate; the upper disc spring is wound on the upper screw rod between the upper support and the upper pressure plate, the upper support and the upper pressure plate are positioned through the nuts, the nuts are screwed to enable the upper disc spring to be in a working state, the upper disc spring applies positive pressure to the upper pressure plate and transmits the positive pressure to the upper fixing plate, the elastic force generated by the upper disc spring is converted into the positive pressure to the upper pressure plate, the narrow-face copper plate is pushed to the left side by the elastic force, the pressure is increased, the narrow-face copper plate is further balanced with the hydrostatic pressure at the bottom as far as possible, the upper pin shaft connected with the narrow-face water tank is in close contact with the left side of the pin hole of the upper telescopic rod through the elastic force, and the upper mechanical gap between.
According to a further technical scheme, the lower cone blocking mechanism comprises a lower fixing plate, a lower pressing plate, a lower support, a lower screw rod and a lower disc spring, wherein the lower fixing plate is fixed on the outer wall of the narrow-face water tank, the lower support is fixed on a lower telescopic rod, and one end of the lower screw rod transversely penetrates through the lower pressing plate and the lower support in sequence and then is fixed on the lower fixing plate; and a lower screw rod between the lower support and the lower pressing plate is wound around a lower disc spring and is screwed through a nut, so that the lower disc spring is in a working state, and the lower disc spring applies reverse pulling force to the lower pressing plate and transmits the pulling force to the lower fixing plate. The narrow-face copper plate is pulled to the right side by the elastic force generated by the disc spring group, so that the lower pin shaft is always in close contact with the right side of the pin hole in the lower telescopic rod of the lower width adjusting device.
According to the further technical scheme, the compression stroke of the upper disc spring and/or the lower disc spring is adjusted through screwing the nut to adjust the elastic force, the elastic force is set at 2.0-2.5 KN, and then corresponding adjustment is carried out as required.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a device for preventing a slab caster narrow-face copper plate from running cone, which can apply positive pressure to a narrow-face water tank on the outer wall of the upper narrow-face copper plate through an upper cone blocking mechanism; the lower cone-resisting mechanism applies reverse tension to the narrow-face water tank on the outer wall of the narrow-face copper plate at the lower part, namely the upper cone-resisting mechanism can be used for applying forward pressure to the narrow-face water tank at the upper part independently, the lower cone-resisting mechanism can also be used for applying reverse tension to the narrow-face water tank at the lower part, and certainly, the upper cone-resisting mechanism and the lower cone-resisting mechanism can be used together, so that the 'cone running' caused by different amounts of hydrostatic pressure of molten steel, which is gradually reduced from bottom to top and is generated under the action of the vertical pressure of the molten steel on the narrow-face copper plate;
(2) the utility model discloses a device for preventing the narrow-face copper plate of a slab caster from running out of the cone, the upper part pushes the narrow-face copper plate to the left side through the elasticity generated by a disc spring group, so that an upper pin shaft is always in close contact with the left side of a pin hole of an upper telescopic rod of an adjusting device; the narrow-face copper plate is pulled to the right side by the elastic force generated by the disc spring group at the lower part, so that the lower pin shaft is always in close contact with the right side of the pin hole of the lower telescopic rod of the adjusting device, and the disc spring moves the existing mechanical gap to the unstressed side in a push-pull mode when the taper is set, thereby realizing the effect of preventing the taper from running;
(3) the utility model discloses a prevent that slab caster narrow face copper from running awl device not only can eliminate the run awl that the clearance between the kinematic pair that must exist in original design arouses, moreover under the condition that the clearance that parts such as round pin axle, pinhole and cover led to because the wearing and tearing that long-time use arouses lead to increases, still can keep the intimate contact all the time between each part under the prestressing force, extrude the clearance that increases to the one side that does not bear the force, eliminate the run awl that arouses from this;
(4) the utility model discloses a prevent that slab caster leptoprosopy copper runs awl device, accessible screw the nut and adjust the compression stroke of dish spring group in order to adjust elasticity, elasticity is set for in 2.0 ~ 2.5KN, and then carries out corresponding regulation as required.
Drawings
FIG. 1 is a schematic view of the structure of the molten steel rotation inhibitor of the present invention.
In the figure: 1-upward cone blocking mechanism; 2-a lower cone blocking mechanism; 3-narrow water tank; 4-narrow-face copper plate; 5-ferrostatic pressure; 11-upper fixing plate; 12-an upper platen; 13-upper support; 14-upper screw rod; 15-upper disc spring; 16-mounting a telescopic rod; 17-upper pin shaft; 18-upper mechanical clearance; 21-lower fixing plate; 22-a lower press plate; 23-lower support; 24-lower screw; 25-lower disc spring; 26-lower telescopic rod; 27-lower pin shaft; 28-lower mechanical clearance.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The device for preventing the narrow-face copper plate of the slab caster from running the cone comprises an upper cone blocking mechanism 1 and/or a lower cone blocking mechanism 2; wherein: the upper cone blocking mechanism 1 applies positive pressure to the narrow-face water tank 3 on the outer wall of the upper narrow-face copper plate 4; the lower cone-resisting mechanism 2 applies reverse pulling force to the narrow-face water tank 3 on the outer wall of the narrow-face copper plate 4 at the lower part, namely forward pressure can be applied to the narrow-face water tank 3 at the upper part through the upper cone-resisting mechanism 1 alone, reverse pulling force can be applied to the narrow-face water tank 3 at the lower part through the lower cone-resisting mechanism 2, and the upper cone-resisting mechanism and the lower cone-resisting mechanism can be used together, so that the purpose of balancing 'cone running' caused by different amounts of hydrostatic pressure 5 of molten steel which is gradually reduced from bottom to top under the action of vertical pressure of the molten steel on the narrow-face copper plate of the crystallizer. The pressure of the upper cone-resisting mechanism 1 and the tension of the lower cone-resisting mechanism 2 can be realized by any form of force, such as elastic force, hydraulic force, air pressure and the like.
Example 2
The basic structure of the device for preventing the narrow-face copper plate of the slab caster from running the cone is the same as that of the device in the embodiment 1, and the differences and the improvements are as follows: as shown in fig. 1, the upper cone blocking mechanism 1 includes an upper fixing plate 11, an upper pressing plate 12, an upper bracket 13, an upper screw 14 and an upper disc spring 15, the upper fixing plate 11 is fixed on the outer wall of the narrow water tank 3, the upper bracket 13 is fixed on an upper telescopic rod 16, and one end of the upper screw 14 transversely penetrates through the upper bracket 13 and the upper pressing plate 12 in sequence and then is fixed on the upper fixing plate 11; an upper disc spring 15 is wound on an upper screw rod 14 between the upper support 13 and the upper pressure plate 12, after the upper support 13 and the upper pressure plate 12 are positioned through nuts, the nuts are screwed to enable the upper disc spring 15 to be in a working state, the upper disc spring 15 applies positive pressure to the upper pressure plate 12 and transmits the positive pressure to the upper fixing plate 11, the elastic force generated by the upper disc spring 15 is converted into the positive pressure to the upper pressure plate 12, the narrow-face copper plate 4 is pushed to the left side by the elastic force, the pressure is increased, the narrow-face copper plate is further balanced with the molten steel static pressure 5 at the bottom as much as possible, the upper pin shaft 17 connected with the narrow-face water tank 3 is in close contact with the left side of a pin hole of the upper telescopic rod 16 by the elastic force, and an upper mechanical gap 18. The lower cone-resisting mechanism 22 comprises a lower fixing plate 21, a lower pressing plate 22, a lower bracket 23, a lower screw 24 and a lower disc spring 25, the lower fixing plate 21 is fixed on the outer wall of the narrow-face water tank 3, the lower bracket 23 is fixed on a lower telescopic rod 26, and one end of the lower screw 24 transversely penetrates through the lower pressing plate 22 and the lower bracket 23 in sequence and then is fixed on the lower fixing plate 21; and a lower disc spring 25 is wound on a lower screw rod 24 between the lower bracket 23 and the lower pressing plate 22 and is screwed through a nut, so that the lower disc spring 25 is in a working state, and the lower disc spring 25 applies reverse pulling force to the lower pressing plate 22 and transmits the pulling force to the lower fixing plate 21. The narrow copper plate 4 is pulled to the right side by the elastic force generated by the disc spring set, so that the lower pin 27 is always in close contact with the right side of the pin hole in the lower telescopic rod 26 of the lower width adjusting device.
In the concrete application of the device for preventing the narrow-face copper plate of the slab continuous casting machine from tapering, because the hydrostatic pressure 5 of molten steel acts on the narrow-face copper plate 4, the depth of the molten steel at the lower part is large, the hydrostatic pressure is larger than that at the upper part, and under the action of the molten steel acting force applied to the foot roll of the crystallizer, the lower pin shaft 27 in the lower telescopic rod 26 of the lower width adjusting device is always tightly attached to the left side of the pin hole, while the upper pin shaft 17 of the upper telescopic rod 16 of the upper width adjusting device is always tightly attached to the right side of the pin hole, under the push-pull action of the upper disc spring 15 and the lower disc spring 25, the lower pin shaft 27 in the lower telescopic rod 26 of the lower width adjusting device is always tightly attached to the right side of the pin hole, and the upper pin shaft 17 of the upper telescopic rod 16 of the upper width adjusting device is always tightly attached to the left side of the, the function of preventing a running cone is achieved by moving the upper mechanical gap 18 and the lower mechanical gap 28 to the unstressed side in a push-pull manner.
Example 3
The basic structure of the device for preventing the narrow-face copper plate of the slab caster from running the cone is the same as that of the device in the embodiment 2, and the difference and the improvement are that: the compression stroke of the upper disc spring 15 and/or the lower disc spring 25 is adjusted through screwing the nut to adjust the elastic force, the elastic force is generally set to be 2.0-2.5 KN, and then corresponding adjustment is carried out as required.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a prevent that slab caster narrow face copper runs awl device which characterized in that: comprises an upper cone-resisting mechanism (1) and/or a lower cone-resisting mechanism (2); wherein: the upper cone blocking mechanism (1) applies positive pressure to the narrow-face water tank (3) on the outer wall of the upper narrow-face copper plate (4); the lower cone blocking mechanism (2) applies reverse pulling force to the narrow-face water tank (3) on the outer wall of the narrow-face copper plate (4) at the lower part.
2. The device for preventing the narrow-face copper plate of the slab continuous casting machine from running out of the cone as claimed in claim 1, is characterized in that: the upper cone blocking mechanism (1) comprises an upper fixing plate (11), an upper pressing plate (12), an upper support (13), an upper screw rod (14) and an upper disc spring (15), the upper fixing plate (11) is fixed on the outer wall of the narrow-face water tank (3), the upper support (13) is fixed on an upper telescopic rod (16), and one end of the upper screw rod (14) transversely penetrates through the upper support (13) and the upper pressing plate (12) in sequence and then is fixed on the upper fixing plate (11); an upper disc spring (15) is arranged on an upper screw rod (14) between the upper support (13) and the upper pressure plate (12) in a surrounding mode, the upper support (13) and the upper pressure plate (12) are positioned through nuts, the nuts are screwed, the upper disc spring (15) is in a working state, and the upper disc spring (15) exerts positive pressure on the upper pressure plate (12) and transmits the positive pressure to the upper fixing plate (11).
3. The device for preventing the narrow-face copper plate of the slab continuous casting machine from running out of the cone as claimed in claim 1, is characterized in that: the lower cone blocking mechanism (2) comprises a lower fixing plate (21), a lower pressing plate (22), a lower support (23), a lower screw rod (24) and a lower disc spring (25), the lower fixing plate (21) is fixed on the outer wall of the narrow-face water tank (3), the lower support (23) is fixed on a lower telescopic rod (26), and one end of the lower screw rod (24) transversely penetrates through the lower pressing plate (22) and the lower support (23) in sequence and then is fixed on the lower fixing plate (21); and a lower disc spring (25) is wound on a lower screw rod (24) between the lower support (23) and the lower pressing plate (22) and is screwed through a nut, so that the lower disc spring (25) is in a working state, and the lower disc spring (25) applies reverse pulling force to the lower pressing plate (22) and transmits the pulling force to the lower fixing plate (21).
4. The device for preventing the narrow-face copper plate of the slab caster from running taper as claimed in claim 2 or 3, wherein: the compression stroke of the upper disc spring (15) and/or the lower disc spring (25) is adjusted through screwing the nut to adjust the elastic force, and the elastic force is set to be 2.0-2.5 KN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922165994.3U CN211218605U (en) | 2019-12-05 | 2019-12-05 | Device for preventing narrow-face copper plate of slab caster from running cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922165994.3U CN211218605U (en) | 2019-12-05 | 2019-12-05 | Device for preventing narrow-face copper plate of slab caster from running cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211218605U true CN211218605U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922165994.3U Active CN211218605U (en) | 2019-12-05 | 2019-12-05 | Device for preventing narrow-face copper plate of slab caster from running cone |
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| Country | Link |
|---|---|
| CN (1) | CN211218605U (en) |
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- 2019-12-05 CN CN201922165994.3U patent/CN211218605U/en active Active
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