CN114918390B - Sector section of H-shaped parison continuous casting machine - Google Patents
Sector section of H-shaped parison continuous casting machine Download PDFInfo
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- CN114918390B CN114918390B CN202210710773.3A CN202210710773A CN114918390B CN 114918390 B CN114918390 B CN 114918390B CN 202210710773 A CN202210710773 A CN 202210710773A CN 114918390 B CN114918390 B CN 114918390B
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- support
- web
- support roller
- flange
- angle
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- 238000009749 continuous casting Methods 0.000 title abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000000498 cooling water Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1285—Segment changing devices for supporting or guiding frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
Abstract
The invention discloses a fan-shaped section of an H-shaped parison continuous casting machine, which comprises a web outer supporting frame and a web inner supporting frame; the web outer support frame comprises two web flange outer support roller support frames (1) which are arranged at left and right intervals, and a plurality of R-angle support ball mechanisms (8) are arranged at the inner end of each web flange outer support roller support frame (1); the web inner support frame comprises two web flange inner support roller support frames (2) which are arranged at left and right intervals, and a plurality of R-angle support ball mechanisms (8) are arranged at the inner end of each web flange inner support roller support frame (2); the R-angle support ball mechanism (8) can support the R angle (1103) of the H-shaped parison (11). The fan-shaped section of the H-shaped parison continuous casting machine is provided with an R-angle supporting ball head mechanism, the support of the R-angle of the special-shaped parison is enhanced, the bulging deformation of the R-angle is restrained, and the problems of the R-angle and the bulging of the wide surface are solved.
Description
Technical Field
The invention relates to the technical field of continuous casting equipment, in particular to a fan-shaped section of an H-shaped parison continuous casting machine.
Background
The H-shaped steel is successfully tested in Algoma iron and steel company in 1964, successfully introduced into China in 1998, and put into production in the world of 1300mm multiplied by 510mm multiplied by 120mm of horse steel in 6 months in 2020, and the whole process is over 56 years, and the problems caused by the continuous increase of the section size of the special-shaped steel are more and more increased, and mainly surround the following points:
1. the R angle cracks are increased or directly generated, and the main reasons are the improper taper of the crystallizer and uneven cooling.
2. The bulge defect of the R angle is further aggravated, and the problem that the R angle cannot be effectively supported by the supporting frame due to further expansion of the section is mainly caused.
Noun interpretation
And (3) special-shaped blank: may be referred to as an H-parison, having a web 1101 and a side panel 1102, with an R-angle 1103 disposed between the web 1101 and the side panel 1102, as shown in fig. 1.
Disclosure of Invention
In order to solve the problem that defects are easy to generate at the R angle of the H-shaped parison, the invention provides a fan-shaped section of an H-shaped parison continuous casting machine, wherein the fan-shaped section of the H-shaped parison continuous casting machine is provided with an R angle supporting ball head mechanism, the support at the R angle of the special-shaped parison is enhanced, the bulge deformation at the R angle is restrained, and the problems of the R angle and the bulge with a wide surface are further solved.
The technical scheme adopted for solving the technical problems is as follows:
a fan-shaped section of an H-type parison continuous casting machine comprises a web outer support frame and a web inner support frame; the web outer support frame comprises two web flange outer support roller support frames which are arranged at intervals left and right, a plurality of web support rollers are arranged between the two web flange outer support roller support frames, and a plurality of R-angle support ball head mechanisms are arranged at the inner end of each web flange outer support roller support frame along the diameter direction of the sector section; the web inner support frame comprises two web flange inner support roller support frames which are arranged at intervals left and right, a plurality of web support rollers are arranged between the two web flange inner support roller support frames, and a plurality of R-angle support ball head mechanisms are arranged at the inner end of each web flange inner support roller support frame along the diameter direction of the sector section; the R-angle support ball head mechanisms are arranged at intervals along the ejection direction, each R-angle support ball head mechanism comprises an R-angle support ball head shaft, one end of each R-angle support ball head shaft is provided with a head, each head comprises a spherical section, and each spherical section can support the R angle of the H-shaped blank.
The beneficial effects of the invention are as follows:
1. the problem of supporting the R of the ultra-large special-shaped blank is solved, the R of the continuous casting blank can be supported by arranging an R-angle supporting ball head mechanism at the R-angle, and the problem of bulging of the R-angle is solved;
2. by staggering the web supporting rollers and the R-angle supporting ball heads, the contradiction problem that a general special-shaped blank supporting frame cannot be compatible with cooling, lubrication and R-angle supporting is innovatively solved;
3. through the innovative solution of arranging web support roller and R angle support bulb in a staggered way, the problem that the diameter of the web support roller cannot be equal to the diameter of the R angle support bulb under the condition that the roller spacing is limited is solved.
4. Through increasing damping device in R angle support bulb (i.e. R angle support bulb axle) department for R angle support bulb can not appear blocking under the comparatively serious circumstances of bulging.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic view of an H-parison.
Fig. 2 is a schematic view of a segment of an H-parison caster according to the present invention.
Fig. 3 is a schematic view of a web outer support frame.
Fig. 4 is a schematic view of a support frame within a web.
Fig. 5 is an enlarged schematic view of the web outer support frame.
Fig. 6 is an enlarged schematic view of the support frame within the web.
FIG. 7 is a schematic view of an R-angle support ball mechanism.
FIG. 8 is a schematic view of an R-angle support ball stud.
Fig. 9 is a schematic view showing an operation state of a segment of the H-type continuous casting machine according to the present invention.
Reference numerals illustrate:
1. web flange outer support roll support frame; 2. supporting frames of inner supporting rollers of web flanges; 3. a side plate flange outer support roller support frame; 4. a support frame for the inner support roller of the flange of the side plate; 5. web support rollers; 6. a side plate support roller; 7. a flange support roller; 8. r angle supports the ball head mechanism; 9. web support roller cooling water pipe; 10. r angle supports the bulb cooling water pipe; 11. an H-shaped blank; 12. a blank discharging channel;
101. the ball head shaft is provided with a through hole; 102. the convex ring is clamped; 103. web support roller mounting slots;
301. a flange support roller first mounting groove; 302. a side plate supporting roller first mounting groove;
701. a flange support roller support seat; 702. a flange support roller second mounting groove;
801. r angle supports the ball head shaft; 802. a head; 803. a spherical segment; 804. a connecting shaft section; 805. a radial bearing; 806. a thrust bearing; 807. a disc spring; 808. fixing the end cover; 809. a water-cooling inner cavity; 8010. a cylindrical surface section;
1101. a web; 1102. a side plate; 1103. r angle.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
A segment of an H-parison caster, the segment of an H-parison caster comprising a web outer support frame and a web inner support frame;
the web outer support frame comprises two web flange outer support roller support frames 1 which are arranged at left and right intervals, a plurality of web support rollers 5 (web outer support rollers) are arranged between the two web flange outer support roller support frames 1, and a plurality of R-angle support ball head mechanisms 8 (R-angle outer support ball head mechanisms) are arranged at the inner end of each web flange outer support roller support frame 1 along the diameter direction of the sector section;
the web inner support frame comprises two web flange inner support roller support frames 2 which are arranged at left and right intervals, a plurality of web support rollers 5 (web inner support rollers) are arranged between the two web flange inner support roller support frames 2, and a plurality of R-angle support ball head mechanisms 8 (R-angle inner support ball head mechanisms) are arranged at the inner end of each web flange inner support roller support frame 2 along the diameter direction of the sector section;
the R-angle support ball mechanisms 8 are arranged at intervals along the knockout direction a of the sector, the R-angle support ball mechanisms 8 comprise R-angle support ball shafts 801, one ends of the R-angle support ball shafts 801 are provided with heads 802, the heads 802 comprise spherical sections 803, and the spherical sections 803 can support R-angles 1103 of the H-type billets 11, as shown in fig. 2 to 6.
In the invention, the fan-shaped section of the H-shaped blank continuous casting machine is provided with the R-angle supporting ball head mechanism 8,R, and the spherical section 803 of the angle supporting ball head mechanism 8 can support the R angle 1103 of the H-shaped blank 11, so that the support of the H-shaped blank 11 at the R angle is enhanced, the bulge deformation at the R angle is restrained, and the problems of the R angle and the bulge with a wide surface are solved. The center line of the knockout channel 12 is an arc line, the center line of the knockout channel 12 coincides with the knockout direction A of the sector, the center line of the knockout channel 12 is positioned on a circle, the diameter direction of the sector is the diameter direction of the circle, the axis direction of the sector is the axis direction of the circle, and the axis of the sector is perpendicular to the circle and passes through the center of the circle.
In this embodiment, in the web outer support frame, along the axial direction of the segment, the spherical segment 803 of the R-angle support ball head shaft 801 and the web support roller 5 are respectively located at two sides of the web flange outer support roller support frame 1, the axis of the R-angle support ball head shaft 801 is parallel to the axis of the web support roller 5, the axis of the web support roller 5 is parallel to the axis of the segment, the web support roller 5 and the R-angle support ball head mechanism 8 are alternately arranged along the knockout direction a, the structure of the web outer support frame is identical to the structure of the web inner support frame, and the web flange outer support roller support frame 1 corresponds to the web flange inner support roller support frame 2. Because the web outer support frame and the web inner support frame are both arc-shaped structures, if the web outer support frame and the web inner support frame are both straight structures, the web outer support frame and the web inner support frame will be mirror images of each other. The R-angle support ball mechanism 8 is identical in construction on the web outer support frame and web inner support frame as shown in fig. 2-6.
In this embodiment, the R-angle support ball head shaft 801 is connected with an R-angle support ball head cooling water pipe 10, the web support roller 5 is connected with a web support roller cooling water pipe 9, along the axial direction of the segment, the R-angle support ball head cooling water pipe 10 is located at the inner side of the web flange outer support roller support frame 1, the web support roller cooling water pipe 9 is located at the outer side of the web flange outer support roller support frame 1, and the surface of the web flange outer support roller support frame 1 is provided with a groove for installing the web support roller cooling water pipe 9.
The web flange outer support roller support frame 1 is of an arc-shaped plate-shaped structure, the web flange outer support roller support frame 1 is parallel to the ejection direction A of the sector section, and the web support roller cooling water pipe 9, the R-angle support ball head cooling water pipe 10 and the groove all extend along the diameter direction of the sector section. The R-angle support ball head cooling water pipe 10 can cool the R-angle support ball head mechanism 8, web support rollers 5 and the R-angle support ball head mechanism 8 are alternately arranged along the ejection direction A, and enough space is reserved between the end parts of the web support rollers 5 and the end parts of the R-angle support ball head mechanism 8 for arranging water cooling loop components such as a web support roller cooling water pipe 9 and an elbow of the R-angle support ball head cooling water pipe 10.
In this embodiment, the axis of the R-angle supporting ball head shaft 801 is parallel to the axis of the fan-shaped section, the R-angle supporting ball head shaft 801 includes a connecting shaft section 804, the head 802 is located outside one end of the connecting shaft section 804, the spherical section 803 is hemispherical, spherical or in a segment shape, and the outer diameter of the spherical section 803 can be obtained according to the requirement or a limited number of tests. The connecting shaft section 804 is cylindrical, the axis of the connecting shaft section 804 passes through the sphere center of the spherical section 803, the outer diameter of the connecting shaft section 804 is smaller than the outer diameter of the spherical section 803, a ball head shaft installation through hole 101 is arranged in the web flange outer support roller support frame 1, the connecting shaft section 804 is positioned in the ball head shaft installation through hole 101, and the axis of the connecting shaft section 804 coincides with the axis of the ball head shaft installation through hole 101, as shown in fig. 7 and 8.
In this embodiment, a clamping convex ring 102 is disposed in the ball shaft mounting through hole 101, a radial bearing 805 and a thrust bearing 806 are sleeved between the inner surface of the ball shaft mounting through hole 101 and the connecting shaft section 804, the radial bearing 805, the clamping convex ring 102 and the thrust bearing 806 are sequentially connected along the axis of the R-angle support ball shaft 801, the thrust bearing 806 faces the head 802 of the R-angle support ball shaft 801, the thrust bearing 806 is disposed between the head 802 and the clamping convex ring 102, a disc spring 807 is disposed between the head 802 and the thrust bearing 806, two ends of the disc spring 807 are respectively abutted against the head 802 and the thrust bearing 806, a fixed end cover 808 is disposed outside the other end of the connecting shaft section 804, the fixed end cover 808 is connected with the radial bearing 805 and the web flange outer support roller support frame 1, the radial bearing 805 is fixed in the ball shaft mounting through hole 101 by the fixed end cover 808, and the R-angle support ball shaft 801 can move along the axial direction of the R-angle support ball shaft 801, as shown in fig. 7.
The R-angle support ball head shaft 801 is held by a radial bearing 805 and a thrust bearing 806, has no radial play, but can move axially, so that the R-angle support ball head shaft 801 can move axially under the condition that the bulging force exceeds the upper stress limit of the disc spring 807, and the R-angle support ball head shaft 801 is prevented from being deformed beyond the R-angle of the continuous casting billet so as to be blocked. The deformation threshold pressure of the disc spring 807 is a value that generates plastic deformation force under allowable stress of the hot continuous casting slab. The thrust bearing 806 enables the R-angle support ball head shaft 801 to rotate when the disc spring 807 is deformed, thereby ensuring the normal operation of the device.
In this embodiment, the R-angle support ball head shaft 801 is of a hollow structure, the R-angle support ball head shaft 801 includes a water-cooling inner cavity 809, the water-cooling inner cavity 809 is of a cylindrical structure, the axis of the water-cooling inner cavity 809 coincides with the axis of the R-angle support ball head shaft 801, the head 802 further includes a cylindrical surface section 8010, the axis of the cylindrical surface section 8010 coincides with the axis of the connecting shaft section 804, the outer diameter of the cylindrical surface section 8010 is equal to the outer diameter of the spherical surface section 803, and the water-cooling inner cavity 809 is located in the spherical surface section 803, the cylindrical surface section 8010 and the connecting shaft section 804.
In this embodiment, along the axial direction of the segment, the outer side of each web flange outer support roller support frame 1 is provided with a side plate flange outer support roller support frame 3, a plurality of flange support rollers 7 and a plurality of flange support roller support seats 701, the flange support rollers 7 and the flange support roller support seats 701 are in one-to-one correspondence, the side plate flange outer support roller support frame 3 is provided with a plurality of flange support roller first mounting grooves 301, the flange support roller support seats 701 are provided with flange support roller second mounting grooves 702, two ends of the flange support rollers 7 are respectively mounted in the flange support roller first mounting grooves 301 and the flange support roller second mounting grooves 702, the flange support roller first mounting grooves 301 and the flange support roller second mounting grooves 702 are all formed along the diameter direction of the segment, each flange support roller 7 can be independently disassembled and maintained, the disassembly and assembly directions of the flange support rollers 7 are the diameter direction of the segment, the inlets and outlets of the flange support roller first mounting grooves 301 and the flange support roller second mounting grooves 702 are all oriented to the center line of the blank outlet channel 12, and the flange support rollers 7 are limited to move outwards. Along the blank ejection direction A of the sector section, the flange support roller support seats 701 and the R-angle support ball head shafts 801 are opposite to each other one by one.
The structure of the web outer support frame is the same as that of the web inner support frame, and the outer side of each web flange inner support roller support frame 2 is provided with a side plate flange inner support roller support frame 4, a plurality of flange support rollers 7 and a plurality of flange support roller support seats 701. The side plate flange inner support roller support frame 4 corresponds to the side plate flange outer support roller support frame 3 as shown in fig. 2 to 6.
In this embodiment, a plurality of web support roller mounting grooves 103 are formed in the web flange outer support roller support frame 1, two ends of the web support roller 5 are respectively mounted in the web support roller mounting grooves 103, the web support roller mounting grooves 103 are formed along the diameter direction of the sector, each web support roller 5 can be independently disassembled and assembled, the disassembly and assembly directions of the web support rollers 5 are the diameter directions of the sector, and the inlet and outlet of the web support roller mounting grooves 103 face the center line of the knockout channel 12. The web support roller mounting grooves 103 and the ball stud mounting through holes 101 are alternately arranged in the ejection direction a.
In this embodiment, along the axis direction of the sector, the outer side of each web flange outer support roller support frame 1 is provided with a side plate flange outer support roller support frame 3, the side plate flange outer support roller support frame 3 is connected with the web flange outer support roller support frame 1 through bolts and nuts, the axis direction of the bolts is the same as the axis direction of the sector, and the dismounting direction of the side plate flange outer support roller support frame 3 is the axis direction of the sector. The outer side of each web flange inner support roller support frame 2 is provided with a side plate flange inner support roller support frame 4 along the axial direction of the sector, the side plate flange inner support roller support frames 4 are connected with the web flange inner support roller support frames 2 through bolts and nuts, the axial direction of the bolts is the same as the axial direction of the sector, and the disassembly and assembly direction of the side plate flange inner support roller support frames 4 is the axial direction of the sector. A plurality of side plate support rollers 6 are connected between the side plate flange outer support roller support frame 3 and the side plate flange inner support roller support frame 4, the side plate support rollers 6 and the flange support rollers 7 are alternately arranged along the blank ejection direction A, the side plate support rollers 6 and the flange support rollers 7 are not interfered with each other, and waterways and oil ways of the side plate support rollers 6 and the flange support rollers 7 can be independently arranged.
The outer backing roll support frame 3 of curb plate edge of a wing and the inner backing roll support frame 4 of curb plate edge of a wing are connected and fixed as an organic wholely through the connecting strip, and the outer backing roll support frame 3 of curb plate edge of a wing, the inner backing roll support frame 4 of curb plate edge of a wing and connecting strip can wholly follow the axis direction dismouting of fan-shaped section, dismantles the outer backing roll support frame 3 of posterior lateral plate edge of a wing, the inner backing roll support frame 4 of curb plate edge of a wing and connecting strip and breaks away from, and curb plate backing roll 6, edge of a wing backing roll 7 and R angle support bulb mechanism 8 have maintenance space, make things convenient for the maintenance of curb plate backing roll 6, edge of a wing backing roll 7 and R angle support bulb mechanism 8. The web support roller 5, the side plate support roller 6 and the flange support roller 7 may be provided with bearings or bearings and bearing blocks at both ends.
In this embodiment, a plurality of first installation grooves 302 of side plate support rollers are formed in the support frame 3 of the outer support roller of the side plate flange, a plurality of second installation grooves of side plate support rollers are formed in the support frame 4 of the inner support roller of the side plate flange, two ends of the side plate support roller 6 are respectively installed in the first installation grooves 302 of the side plate support roller and the second installation grooves of the side plate support roller, the first installation grooves 302 of the side plate support roller and the second installation grooves of the side plate support roller are all formed along the axial direction of the sector, each side plate support roller 6 can be independently disassembled and maintained, the disassembly and assembly direction of the side plate support roller 6 is the axial direction of the sector, and the inlets and outlets of the first installation grooves 302 of the side plate support roller and the second installation grooves of the side plate support roller face the center line of the knockout channel 12, so that the side plate support roller 6 can have the independent disassembly capability under emergency conditions without dismantling the side support frames, as shown in fig. 2 to 8.
The operation of the segment of the H-parison caster is described below.
Step 1, the H parison 11 enters the bloom channel 12 of the fan-shaped section of the H parison continuous casting machine and advances along the bloom direction a, the web 1101 of the H parison 11 contacts the web supporting roller 5, the side surface of the H parison 11 contacts the side plate supporting roller 6, the flange of the H parison 11 contacts the flange supporting roller 7, and the R angle 1103 of the H parison 11 contacts the spherical section 803 of the R angle supporting ball mechanism 8, and the supporting functions are respectively achieved as shown in fig. 9.
And 2, when the R-angle bulging force of the H-shaped parison 11 exceeds the upper stress limit of the disc spring 807, the disc spring 807 starts to deform, the R-angle support ball head shaft 801 starts to move backwards, and at the moment, the bearing enables the R-angle support ball head shaft 801 to rotate freely, so that the R-angle support ball head shaft 801 is ensured not to be blocked.
And 3, cooling water cools the web support roller 5 through the web support roller cooling water pipe 9, and cooling water cools the R-angle support ball mechanism 8 through the R-angle support ball cooling water pipe 10.
And 4, when the equipment is required to be maintained, the fasteners can be removed firstly, and then the side support frames (the side plate flange outer support roller support frames 3, the side plate flange inner support roller support frames 4 and the connecting strips) are removed, so that the web plate outer support frames can be removed for maintenance.
And 5, reversely implementing the step 4, namely combining the H-shaped parison 11 with the 12-surface roller support frame to ensure that the H-shaped parison has normal use capability, and repeating the implementation steps of the steps 1 to 4 to realize recycling.
For ease of understanding and description, the present invention is described in terms of absolute positional relationships, where the term "left" is used to refer to the left direction in fig. 2 and the term "right" is used to refer to the right direction in fig. 2, unless otherwise specified, but the present invention is described in terms of viewing angle by a reader or a user, and the above terms are not to be construed or interpreted as limiting the scope of the present invention.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical features and technical features, technical features and technical scheme, technical scheme and technical scheme, and embodiments of the invention can be freely combined for use.
Claims (7)
1. A segment of an H-parison caster, wherein the segment of an H-parison caster comprises an outer web support frame and an inner web support frame;
the web outer support frame comprises two web flange outer support roller support frames (1) which are arranged at left and right intervals, a plurality of web support rollers (5) are arranged between the two web flange outer support roller support frames (1), and a plurality of R-angle support ball head mechanisms (8) are arranged at the inner end of each web flange outer support roller support frame (1) along the diameter direction of the sector section;
the web inner support frame comprises two web flange inner support roller support frames (2) which are arranged at left and right intervals, a plurality of web support rollers (5) are arranged between the two web flange inner support roller support frames (2), and a plurality of R-angle support ball head mechanisms (8) are arranged at the inner end of each web flange inner support roller support frame (2) along the diameter direction of the sector section;
the R-angle support ball mechanisms (8) are arranged at intervals along the ejection direction, each R-angle support ball mechanism (8) comprises an R-angle support ball shaft (801), one end of each R-angle support ball shaft (801) is provided with a head (802), each head (802) comprises a spherical section (803), and each spherical section (803) can support an R angle (1103) of an H-shaped parison (11);
the axis of the R-angle support ball head shaft (801) is parallel to the axis of the fan-shaped section, the R-angle support ball head shaft (801) comprises a connecting shaft section (804), the head (802) is positioned outside one end of the connecting shaft section (804), the spherical section (803) is hemispherical, a ball head shaft installation through hole (101) is arranged in the web flange outer support roller support frame (1), and the connecting shaft section (804) is positioned in the ball head shaft installation through hole (101);
a clamping convex ring (102) is arranged in the ball head shaft installation through hole (101), a radial bearing (805) and a thrust bearing (806) are sleeved between the inner surface of the ball head shaft installation through hole (101) and the connecting shaft section (804), the radial bearing (805), the clamping convex ring (102) and the thrust bearing (806) are sequentially connected along the axis of the R-angle support ball head shaft (801), the thrust bearing (806) faces towards the head (802) of the R-angle support ball head shaft (801), a disc spring (807) is arranged between the head (802) and the thrust bearing (806), a fixed end cover (808) is arranged outside the other end of the connecting shaft section (804), the fixed end cover (808) is connected with the radial bearing (805) and the web outer support roller support frame (1), and the R-angle support ball head shaft (801) can axially move along the R-angle support ball head shaft (801);
r angle support bulb axle (801) is hollow structure, contains water-cooling inner chamber (809) in R angle support bulb axle (801), and water-cooling inner chamber (809) are cylindrical structure, and the axis of water-cooling inner chamber (809) and the axis coincidence of R angle support bulb axle (801), head (802) still contain cylindrical surface section (8010), and spherical surface section (803), cylindrical surface section (8010) and connecting axle section (804) are connected gradually along the axis direction of R angle support bulb axle (801), and water-cooling inner chamber (809) are located spherical surface section (803), cylindrical surface section (8010) and connecting axle section (804).
2. Segment of an H-parison caster according to claim 1, characterized in that in the web outer support frame, in the axial direction of the segment, spherical segments (803) of R-angle support ball shafts (801) and web support rollers (5) are respectively located on both sides of web flange outer support roller support frames (1), web support rollers (5) and R-angle support ball mechanisms (8) are alternately arranged in the ejection direction, and the construction of the web outer support frame and the construction of the web inner support frame are the same.
3. The segment of an H-parison caster according to claim 2, wherein the R-angle support ball head shaft (801) is connected with an R-angle support ball head cooling water pipe (10), the web support roller (5) is connected with a web support roller cooling water pipe (9), the R-angle support ball head cooling water pipe (10) is located inside the web flange outer support roller support frame (1) along the axial direction of the segment, the web support roller cooling water pipe (9) is located outside the web flange outer support roller support frame (1), and the surface of the web flange outer support roller support frame (1) is provided with grooves for mounting the web support roller cooling water pipe (9).
4. The segment of an H-parison caster according to claim 1, wherein, along the axial direction of the segment, the outer side of each web flange outer support roller support frame (1) is provided with a side plate flange outer support roller support frame (3), a plurality of flange support rollers (7) and a plurality of flange support roller support seats (701), the side plate flange outer support roller support frame (3) is provided with a flange support roller first mounting groove (301), the flange support roller support seats (701) are provided with a flange support roller second mounting groove (702), two ends of the flange support roller (7) are respectively mounted in the flange support roller first mounting groove (301) and the flange support roller second mounting groove (702), the flange support roller first mounting groove (301) and the flange support roller second mounting groove (702) are both formed along the diameter direction of the segment, the dismounting direction of the flange support roller (7) is the diameter direction of the segment, and the construction of the outer support frame is the same as that of the web inner support frame.
5. The segment of an H-parison caster according to claim 4, wherein a web support roller mounting groove (103) is provided on the web flange outer support roller support frame (1), both ends of the web support roller (5) are respectively mounted in the web support roller mounting groove (103), the web support roller mounting groove (103) is provided along the diameter direction of the segment, and the dismounting direction of the web support roller (5) is the diameter direction of the segment.
6. The segment of an H-parison caster according to claim 4, wherein,
the outer side of each web flange outer support roller support frame (1) is provided with a side plate flange outer support roller support frame (3) along the axial direction of the sector, the side plate flange outer support roller support frames (3) are connected with the web flange outer support roller support frames (1), and the dismounting direction of the side plate flange outer support roller support frames (3) is the axial direction of the sector;
the outer side of each web flange inner support roller support frame (2) is provided with a side plate flange inner support roller support frame (4) along the axial direction of the sector, the side plate flange inner support roller support frames (4) are connected with the web flange inner support roller support frames (2), and the dismounting direction of the side plate flange inner support roller support frames (4) is the axial direction of the sector;
a plurality of side plate support rollers (6) are connected between the side plate flange outer support roller support frame (3) and the side plate flange inner support roller support frame (4), and the side plate support rollers (6) and the flange support rollers (7) are alternately arranged along the blank discharging direction.
7. The segment of an H-parison caster of claim 5, wherein a side-plate support roller first mounting groove (302) is provided on a side-plate flange outer support roller support frame (3), a side-plate support roller second mounting groove is provided on a side-plate flange inner support roller support frame (4), two ends of a side-plate support roller (6) are respectively mounted in the side-plate support roller first mounting groove (302) and the side-plate support roller second mounting groove, the side-plate support roller first mounting groove (302) and the side-plate support roller second mounting groove are both provided along an axial direction of the segment, and a dismounting direction of the side-plate support roller (6) is an axial direction of the segment.
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| CN202210710773.3A CN114918390B (en) | 2022-06-22 | 2022-06-22 | Sector section of H-shaped parison continuous casting machine |
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| CN114918390B true CN114918390B (en) | 2024-02-27 |
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| WO2007112813A1 (en) * | 2006-03-29 | 2007-10-11 | Sms Demag Ag | Device for sustaining/supporting a cast strand |
| CN204621036U (en) * | 2015-04-14 | 2015-09-09 | 北京科技大学 | A kind of cooling system of fan-shaped sections of slab continuous Continuous Casting Rolls outer support device |
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| KR20210068809A (en) * | 2019-12-02 | 2021-06-10 | 주식회사 포스코 | Segment for continuous casting and continuous casting apparatus having thereof |
| CN214392266U (en) * | 2021-02-25 | 2021-10-15 | 中冶京诚工程技术有限公司 | H-shaped blank supporting roller row structure |
| CN114603093A (en) * | 2020-12-09 | 2022-06-10 | 中冶京诚工程技术有限公司 | Special-shaped blank continuous casting machine sector section |
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|---|---|---|---|---|
| WO2007112813A1 (en) * | 2006-03-29 | 2007-10-11 | Sms Demag Ag | Device for sustaining/supporting a cast strand |
| CN204621036U (en) * | 2015-04-14 | 2015-09-09 | 北京科技大学 | A kind of cooling system of fan-shaped sections of slab continuous Continuous Casting Rolls outer support device |
| CN208195600U (en) * | 2018-03-21 | 2018-12-07 | 马鞍山钢铁股份有限公司 | A kind of special-shaped billet continuous casting machine fan-shaped section edge of a wing support roller correcting tool |
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| CN114918390A (en) | 2022-08-19 |
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