CN210730920U

CN210730920U - Supporting roller accurate height-adjusting auxiliary supporting device in slab production

Info

Publication number: CN210730920U
Application number: CN201920041121.9U
Authority: CN
Inventors: 乔志洪; 汪晶; 乔文灿
Original assignee: Shanghai Kangsheng Aerospace Technology Co ltd
Current assignee: Shanghai Kangsheng Aerospace Technology Co ltd
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2020-06-12
Anticipated expiration: 2029-01-10

Abstract

In the supporting roller accurate height adjustment auxiliary supporting device in slab production, inner semicircular counter bores (306) are uniformly distributed on the outer edge of the end part of an eccentric shaft (3), outer semicircular counter bores (609) are uniformly distributed on the inner edge of the end part of the eccentric shaft (3) extending out of the outer side of a corresponding right through hole (601) on a right support (6), and fixing pins (10) are inserted into pin holes formed by contraposition of the inner semicircular counter bores (306) and the outer semicircular counter bores (609) for positioning; the symmetrically arranged double-carrier roller supporting surfaces are perfectly contacted with the two side surfaces of the supported ESR of the electromagnetic stirring roller, the two carrier rollers and the supported ESR of the electromagnetic stirring roller of the plate blank form a stable supporting system in a structure in a shape like the Chinese character pin, the distance and the height of the double carrier rollers are accurately changed in an eccentric range, and the ESR supporting of the electromagnetic stirring roller is in an optimal supporting state. The adjusting precision and the supporting rigidity are simply, conveniently and reliably improved.

Description

Supporting roller accurate height-adjusting auxiliary supporting device in slab production

Technical Field

The utility model relates to a slab continuous casting or slab electromagnetic stirring roller's auxiliary bearing equipment device's institutional advancement technique, especially the accurate auxiliary bearing device that increases of bearing roller in the slab production.

Background

At present, in a slab continuous casting line, in order to improve the quality of a slab, an electromagnetic stirring roller is usually used in a second cooling area of a fan-shaped section, and due to the limitation of the prior art and the particularity of the electromagnetic stirring roller, the electromagnetic stirring roller adopts a whole-root through roller structure, so that when the width of the slab is greater than 1800mm, in order to reduce the deformation of a roller sleeve, reduce the water leakage probability and improve the electromagnetic stirring service life of the roller, an auxiliary supporting carrier roller is usually additionally arranged.

In the prior art, the auxiliary support of the slab electromagnetic stirring roller has the following common structures: the auxiliary supporting carrier roller is transversely adjusted by the single roller, and the double-roller supporting carrier roller is adjusted to be higher by the gasket. The technology and the method have the defects that the single-roller supporting rigidity is weak, the lateral thrust is generated on the electromagnetic stirring roller, so that the electromagnetic stirring roller generates lateral deformation and is easy to wear, the potential safety hazard exists, and the service life is short; the existing double-carrier roller supporting technology uses a gasket to adjust the supporting height, the adjusting precision is low, the minimum adjusting precision is the thickness (0.1mm) of a single gasket, the installed electromagnetic stirring roller and the supporting carrier roller need to be detached for each adjustment, the gasket is installed again after being installed, if the adjustment is not ideal, the adjustment is difficult and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing roller accurate height-adjusting auxiliary bearing device in slab production has solved the defect that the prior art exists effectively.

The purpose of the utility model is realized by the following technical measures: the device comprises a left support, a retainer ring, an eccentric shaft, a carrier roller, a self-lubricating joint bearing, a right support, a connecting plate and a fixing pin; a connecting plate is horizontally fixed at the lower part between a left support and a right support which are vertically installed in parallel, a pair of eccentric carrier roller assemblies are symmetrically installed between the left support and the right support in parallel at the upper side of the connecting plate, each eccentric carrier roller assembly comprises an eccentric shaft, a self-lubricating joint bearing and a supporting carrier roller which are connected through shafts, and the symmetrical shafts of the two eccentric carrier roller assemblies and the axial line of a supported slab electromagnetic stirring roller are positioned on the same vertical plane, namely a symmetrical bisection plane; the middle section of the eccentric shaft is sleeved with a supporting carrier roller through a self-lubricating joint bearing, two ends of the supporting carrier roller are respectively sleeved with a retainer ring, and two ends of the eccentric shaft are respectively arranged on the left support and the right support; inner semicircular counter bores are uniformly distributed on the outer edge of the end part of the eccentric shaft, outer semicircular counter bores are uniformly distributed on the inner edge of the end part of the eccentric shaft, which extends out of the outer side of the corresponding right through hole on the right support, and fixing pins are inserted into pin holes formed by the alignment of the inner semicircular counter bores and the outer semicircular counter bores; and the inner semi-circle counter bore and the outer semi-circle counter bore are respectively marked with codes or numbers, the two groups of inner semi-circle counter bores and outer semi-circle counter bores corresponding to the two eccentric shafts are completely the same in number and position of the codes and the numbers, the top edges of the two eccentric cylindrical surfaces of the two eccentric shafts are at the same height when the two eccentric shafts are oppositely positioned, and the two eccentric cylindrical surfaces of the two eccentric shafts are completely symmetrical relative to the symmetrical bisection plane.

In particular, the left support comprises: the left through hole, the left counter bore, the left bell mouth, the left positioning groove, the left mounting screw hole, the left connecting hole, the left nozzle interface and the left top cambered surface; a pair of left through holes are symmetrically formed in two sides of a vertically installed left support seat part, a ring-groove-shaped left counter bore is formed in the outer side of the left through hole, a left horn mouth is formed in the outer side of the left counter bore, a left positioning groove is formed in the middle of the bottom edge of the left support seat, left installation screw holes are formed in two ends of the left positioning groove respectively, a left connecting hole is formed in the middle of the left support seat, namely between the two left through holes, and a downward-concave left top arc surface is formed in the middle of; the right support includes: the right through hole, the right counter bore, the right horn mouth, the right locating slot, the right mounting screw hole, the right connecting hole, the right nozzle interface, the right top cambered surface, the outer semicircular counter bore and the serial number; the right through hole, the right counter bore, the right horn mouth, the right positioning groove, the right mounting screw hole, the right connecting hole, the right nozzle interface and the right top arc surface are respectively the same as the corresponding left through hole, the left counter bore, the left horn mouth, the left positioning groove, the left mounting screw hole, the left connecting hole, the left nozzle interface and the left top arc surface; the retaining ring includes: a ring hole, an outer end and an inner end; the eccentric shaft includes: the eccentric cylindrical surface, the front cylindrical surface, the bulges, the cooling holes, the rear cylindrical surface and the inner semicircular counter bores and the codes are coded; the outer wall of the middle section of the eccentric shaft is provided with an eccentric cylindrical surface, the inner middle part of the eccentric shaft is axially provided with a through hole, the outer walls of two ends of the eccentric shaft are respectively provided with a front cylindrical surface and a rear cylindrical surface, the end part of the front cylindrical surface is provided with a bulge, and the middle part of the end surface of the bulge is provided with a cooling hole connected with the through hole; the front cylindrical surface and the rear cylindrical surface are coaxial, and the eccentric cylindrical surface is eccentric with the front cylindrical surface and the rear cylindrical surface; the support idler includes: bearing bore, bore end face and bearing surface. The bearing hole and the bearing surface are coaxial; the outer wall of the supporting roller is provided with a supporting surface, the middle part of the supporting roller is axially provided with a through hole, two ends of the through hole are respectively provided with a bearing hole, and the inner side of the bearing hole is provided with a circular hole end surface; the connecting plate includes: connecting the screw hole and the arc top smooth conical surface; the connecting plate is vertically installed, the top edge of the connecting plate is provided with an arc top smooth conical surface, and meanwhile, the edges of two ends of the connecting plate are respectively provided with a connecting screw hole.

Particularly, the number of the inner semi-circle counter bores is m, shafts of the inner semi-circle counter bores are arranged on the rear cylindrical surface, the initial distribution positions of the inner semi-circle counter bores are at the uppermost end of the eccentricity of the eccentric cylindrical surface, codes begin from the initial distribution positions of the inner semi-circle counter bores, and the codes are one-to-one corresponding identifications of the inner semi-circle counter bores; the number of the outer semi-circle counter bores is n, the initial distribution positions of the outer semi-circle counter bores are at the uppermost end of the right through hole, the numbering starts from the initial distribution positions of the outer semi-circle counter bores, and the numbering is a one-to-one corresponding identification of the outer semi-circle counter bores; and the left group of serial numbers and the right group of serial numbers on the right support are marked clockwise and anticlockwise respectively.

Particularly, the outer cylindrical surface of the fixing pin is respectively matched with the inner semicircular counter bore of the eccentric shaft and the outer semicircular counter bore of the right support, and the serial number of the outer semicircular counter bore at the same position of the right through hole of the rear cylindrical surface and the right support which are matched with each other is consistent with the coding direction of the inner semicircular counter bore.

Particularly, the front cylindrical surface and the left through hole of the left support have the same size and are assembled, and the rear cylindrical surface and the right through hole of the right support have the same size and are assembled; the two eccentric carrier rollers are matched with the ring holes, the outer ends and the inner ends of the check rings at the two ends, the front cylindrical surface and the rear cylindrical surface of the eccentric shaft, the left through hole and the left counter bore of the left support and the right through hole and the right counter bore of the right support through the end faces of the inner sleeves of the self-lubricating spherical plain bearings at the two ends.

Particularly, the inner end of the check ring is tightly attached to the end face of the inner ring of the self-lubricating spherical plain bearing, and the outer end of the check ring is respectively tightly attached to the end faces of the left counter bore of the left support and the right counter bore of the right support.

In particular, the same side ends of the two eccentric shafts are connected to cooling lines through respective cooling holes, and the cooling holes are connected to the cooling lines.

Particularly, the left nozzle interface is arranged at the left oblique upper corner and the right oblique upper corner of the left support, the right nozzle interface is arranged at the left oblique upper corner and the right oblique upper corner of the right support, and the left nozzle interface and the right nozzle interface are connected with the nozzle device.

In particular, the eccentric shafts are provided with cooling holes, the same ends of the two eccentric shafts are connected with cooling pipelines, and the cooling holes are connected with the cooling pipelines.

In particular, the numbers m and n are set to be relatively prime, the precision of the minimum adjusting angle of the rotating eccentric shaft is 360 degrees/(m × n), and if the height adjusting range of the eccentric carrier roller is H, the height adjusting precision of the eccentric carrier roller is H/(m × n).

The utility model discloses an advantage and effect: the symmetrical double-eccentric carrier roller structure is adopted, the eccentric position of the double-eccentric carrier roller is accurately adjusted by virtue of the protrusions of the two eccentric shafts, the distance and the height of the double-supporting carrier roller are accurately changed within the eccentric range, the supporting is accurately adjusted, the adjusting precision is improved, the supporting rigidity is simple, convenient and reliable, the service life of the device is prolonged by the application of the self-lubricating joint bearing, and the device is more convenient to install, adjust, use and maintain.

Drawings

FIG. 1 is a schematic view of the working state of the present invention

FIG. 2 is a schematic top view of the present invention

FIG. 3 is the longitudinal section schematic view of the assembly of the unilateral idler roller of the present invention

Figure 4 is a right-side view schematic diagram of the assembly of the present invention

Figure 5 is a left side view schematic diagram of the assembly of the present invention

FIG. 6 is a schematic view of the left support

FIG. 7 is a partial cross-sectional view of FIG. 6

FIG. 8 is a schematic sectional view of a retainer ring

FIG. 9 is a schematic view of the eccentric shaft structure

FIG. 10 is a right view of FIG. 9

FIG. 11 is a left side view of FIG. 9

FIG. 12 is a schematic cross-sectional view of a idler

FIG. 13 is a schematic view of a right support

FIG. 14 is a schematic view of a right support structure

FIG. 15 is a partial cross-sectional view of FIG. 14

FIG. 16 is a front view of the connection plate

FIG. 17 is a right-side view of FIG. 16

The reference numerals include:

1-left support, 2-retainer ring, 3-eccentric shaft, 4-supporting carrier roller, 5-self-lubricating joint bearing, 6-right support, 7-connecting plate, 8-nozzle device, 9-cooling pipeline, 10-fixing pin, R-electromagnetic stirring roller and P-symmetrical bisection plane;

101-left through hole, 102-left counter bore, 103-left bell mouth, 104-left positioning groove, 105-left mounting screw hole, 106-left connecting hole, 107-left nozzle interface and 108-left top cambered surface;

201-ring hole, 202-outer end, 203-inner end;

301-eccentric cylindrical surface, 302-front cylindrical surface, 303-bulge, 304-cooling hole, 305-rear cylindrical surface, 306-inner semi-circle counter bore and 307-coding;

401-bearing hole, 403-hole end face, 402-bearing face;

601-right through hole, 602-right counter bore, 603-right bell mouth, 604-right locating slot, 605-right mounting screw hole, 606-right connecting hole, 607-right nozzle interface, 608 right top cambered surface, 609-outer semi-circle counter bore and 610-number;

701-connecting screw hole, 702-arc top smooth conical surface.

Detailed Description

The utility model relates to a comprehensive application of eccentric cam principle, friction roll principle and the vector composition principle of two roller holding power. The device is internally provided with a pair of eccentric carrier roller assemblies, the existing auxiliary support is lifted into a double-eccentric carrier roller structure and symmetrically arranged, the eccentric positions of the double-eccentric carrier rollers are accurately adjusted by virtue of the protrusions of the two eccentric shafts, and the distance and the height of the double-support carrier rollers are accurately changed within the eccentric range and are always in centering symmetry, so that the ESR of the supported electromagnetic stirring roller is more convenient and effective to install and adjust, the efficiency is higher, the ESR of the supported electromagnetic stirring roller is higher in use rigidity, more reliable in work and longer in service life.

The utility model discloses in, through self-lubricating joint bearing 5 drive two bearing idler 4 centering and symmetry all the time, realize accurate lift at adjustable within range to the height of bearing idler 4 is adjusted to the symmetry, but two bearing idler 4 axial self-adaptation fine settings, and the supported slab electromagnetic stirring roller ESR both sides of symmetry laminating respectively reach the best contact condition.

The utility model discloses an environment of use includes: high temperature, water vapor and powder slag erosion.

The utility model discloses a: the device comprises a left support 1, a retainer ring 2, an eccentric shaft 3, a carrier roller 4, a self-lubricating joint bearing 5, a right support 6, a connecting plate 7 and a fixing pin 10.

The present invention will be further explained with reference to the drawings and examples.

Example 1: as shown in attached figures 1, 2, 3, 4 and 5, a connecting plate 7 is horizontally fixed at the lower part between a left support 1 and a right support 6 which are vertically installed in parallel, a pair of eccentric carrier roller assemblies are symmetrically installed between the left support 1 and the right support 6 in parallel at the upper side of the connecting plate 7, each eccentric carrier roller assembly comprises an eccentric shaft 3, a self-lubricating joint bearing 5 and a supporting carrier roller 4 which are connected by a shaft, and the symmetrical shafts of the two eccentric carrier roller assemblies and the axis of ESR of a supported slab electromagnetic stirring roller are positioned on the same vertical plane, namely a symmetrical bisection plane P; a supporting carrier roller 4 is sleeved outside the middle section of the eccentric shaft 3 through a self-lubricating joint bearing 5, two ends of the supporting carrier roller 4 are respectively sleeved with a retainer ring 2, and two ends of the eccentric shaft 3 are respectively arranged on a left support 1 and a right support 6; inner semicircular counter bores 306 are uniformly distributed on the outer edge of the end part of the eccentric shaft 3, outer semicircular counter bores 609 are uniformly distributed on the inner edge of the end part of the eccentric shaft 3, which extends out of the outer side of the corresponding right through hole 601 on the right support 6, and fixing pins 10 are inserted into pin holes formed by the alignment of the inner semicircular counter bores 306 and the outer semicircular counter bores 609; moreover, the inner semi-circular counter bore 306 and the outer semi-circular counter bore 609 are respectively marked with a code 307 or a number 610, the number and the position of the two groups of inner semi-circular counter bores 306 and outer semi-circular counter bores 609 corresponding to the two eccentric shafts 3 are completely the same, the top edges of the two eccentric cylindrical surfaces 301 of the two eccentric shafts 3 are at the same height when the two eccentric shafts 3 are oppositely positioned, and the two eccentric cylindrical surfaces 301 of the two eccentric shafts 3 are completely symmetrical relative to the symmetrical bisection plane P.

As shown in fig. 6 and 7, the left mount 1 includes: a left through hole 101, a left counter bore 102, a left bell mouth 103, a left positioning slot 104, a left mounting screw hole 105, a left coupling hole 106, a left nozzle interface 107 and a left top arc surface 108. A pair of left through holes 101 are symmetrically formed in two sides of the upper portion of a vertically installed left support 1, a ring groove type left counter bore 102 is formed in the outer side of the left through hole 101, a left bell mouth 103 is formed in the outer side of the left counter bore 102, a left positioning groove 104 is formed in the middle of the bottom edge of the left support 1, left installation screw holes 105 are formed in two ends of the left positioning groove 104 respectively, a left connecting hole 106 is formed in the middle of the left support 1, namely between the two left through holes 101, and a downward-concave left top arc surface 108 is formed in the middle of the top edge.

As shown in fig. 8, the retainer ring 2 includes: an annular aperture 201, an outer end 202 and an inner end 203.

As shown in fig. 9, 10 and 11, the eccentric shaft 3 includes: eccentric cylinder 301, front cylinder 302, boss 303, cooling hole 304, rear cylinder 305 and inner semi-circular counterbore 306 and coding 307; an eccentric cylindrical surface 301 is arranged on the outer wall of the middle section of the eccentric shaft 3, a through hole is axially formed in the middle of the inner part of the eccentric shaft 3, a front cylindrical surface 302 and a rear cylindrical surface 305 are respectively arranged on the outer walls of two ends of the eccentric shaft 3, a bulge 303 is arranged at the end part of the front cylindrical surface 302, and a cooling hole 304 connected with the through hole is formed in the middle of the end surface of the bulge 303; front cylindrical surface 302 and rear cylindrical surface 305 are coaxial, and eccentric cylindrical surface 301 is eccentric to front cylindrical surface 302 and rear cylindrical surface 305 by an eccentricity e. The inner semi-circle counter bores 306 are uniformly distributed on the rear cylindrical surface 305, the number of the inner semi-circle counter bores 306 is m, the shaft of the inner semi-circle counter bores 306 is arranged on the rear cylindrical surface 305, the initial distribution positions of the inner semi-circle counter bores 306 are at the uppermost end of the eccentricity of the eccentric cylindrical surface 301, the codes 307 begin from the initial distribution positions of the inner semi-circle counter bores 306, and the codes 307 are one-to-one corresponding marks (a, b, c, d, e, f … …) of the inner semi-circle counter bores 306 to the mth. The cross-section of the protrusion 303 may be a variety of shapes, such as a regular polygon, a circular keyed shape, a spline shape … …, in this case a square shape. The number m of the inner semicircular counter bores 306 is 9.

As shown in fig. 12, the support idler 4 comprises: bearing bore 401, bore end face 403 and bearing face 402. The bearing bore 401 and the bearing surface 402 are coaxial. The outer wall of the supporting roller 4 is provided with a supporting surface 402, the middle part of the supporting roller 4 is axially provided with a through hole, two ends of the through hole are respectively provided with a bearing hole 401, and the inner side of the bearing hole 401 is provided with a circular hole end surface 403.

As shown in fig. 13, 14 and 15, the right mount 6 includes: a right through hole 601, a right counterbore 602, a right bell mouth 603, a right positioning groove 604, a right mounting screw hole 605, a right coupling hole 606, a right nozzle interface 607, a right top cambered surface 608, an outer semicircular counterbore 609 and a serial number 610; the right through hole 601, the right counter bore 602, the right bell mouth 603, the right positioning groove 604, the right mounting screw hole 605, the right connecting hole 606, the right nozzle interface 607 and the right top arc surface 608 are respectively the same as the corresponding left through hole 101, the left counter bore 102, the left bell mouth 103, the left positioning groove 104, the left mounting screw hole 105, the left connecting hole 106, the left nozzle interface 107 and the left top arc surface 108; the number of the outer semicircular counter bores 609 is n, the initial distribution positions of the outer semicircular counter bores 609 are at the uppermost end of the right through hole 601, the number 610 starts from the initial distribution positions of the outer semicircular counter bores 609, and the number 610 is the one-to-one corresponding identification (1, 2, 3, 4, 5, 6 … …) of the outer semicircular counter bores 609 till n. The left group of numbers 610 and the right group of numbers 610 on the right support 6 are respectively marked around clockwise and anticlockwise. In this embodiment, the number n of the outer semicircular counter bores 609 is 16.

As shown in fig. 16 and 17, the connection plate 7 includes: connecting the screw hole 701 with the curved top smooth taper 702. The connecting plate 7 is vertically installed, the top edge of the connecting plate is provided with an arc top smooth conical surface 702, and meanwhile, the edges of two ends of the connecting plate 7 are respectively provided with a connecting screw hole 701.

In the foregoing, the front cylindrical surface 302 is the same size and fitted with the left through hole 101 of the left holder 1, and the rear cylindrical surface 305 is the same size and fitted with the right through hole 601 of the right holder 6. The two eccentric carrier rollers are matched with the ring holes 201, the outer ends 202 and the inner ends 203 of the retainer rings 2 at two ends, the front cylindrical surface 302 and the rear cylindrical surface 305 of the eccentric shaft 3, the left through hole 101 and the left counter bore 102 of the left support 1, and the right through hole 601 and the right counter bore 602 of the right support 6 through the end surfaces of the inner sleeves of the self-lubricating spherical plain bearings 5 at two ends.

In the foregoing, the retainer rings 2 are respectively installed between the two ends of the eccentric carrier roller assembly and the left support 1 and the right support 6, the inner ends 203 of the retainer rings 2 are tightly attached to the inner ring end faces of the self-lubricating spherical plain bearing 5, and the outer ends 202 of the retainer rings 2 are tightly attached to the end faces of the left counter bore 102 of the left support 1 and the right counter bore 602 of the right support 6 respectively.

In the above, the left support 1 and the right support 6 are connected into a whole by the connecting plate 7 through the left connecting hole 106, the right connecting hole 606 and the connecting screw hole 701 by bolts to form the support seat. The axes of the two eccentric carrier rollers are parallel and symmetrical to the symmetrical bisection plane P of the supporting seat.

In the foregoing, the same side ends of the two eccentric shafts 3 are respectively connected to the cooling pipelines 9 through the respective cooling holes 304, and the cooling holes 304 are connected to the cooling pipelines 9 and the cooling source, so that the cooling liquid or the cooling gas forms a complete cooling loop in the precisely heightening supporting roller device, and the cooling liquid or the cooling gas in the cooling pipelines 9 cools the precisely heightening supporting roller device, thereby ensuring a normal and stable supporting state of the supported electromagnetic stirring roller ESR by the precisely heightening supporting roller device.

In the foregoing, the left nozzle port 107 is disposed at the left and right oblique upper corners of the left support 1, the right nozzle port 607 is disposed at the left and right oblique upper corners of the right support 6, and the left nozzle port 107 and the right nozzle port 607 are connected to the nozzle device 8. High pressure gas or high pressure water is input from the nozzle device 8. The nozzle opening of the nozzle device 8 is over against the contact surface of the support carrier roller 4 and the supported ESR, the contact surface of the support carrier roller 4 and the supported ESR is kept clean all the time by high-pressure air or high-pressure water sprayed by the nozzle device 8, the fine skin of the plate blank adsorbed on the surface of the ESR is cleaned, the adhering quality of the support carrier roller 4 and the ESR is maintained, the abrasion between the support carrier roller 4 and the ESR is reduced, and the service life is prolonged.

In the foregoing, the two left through holes 101 of the left support 1 are the same in size and are symmetrically arranged, the two right through holes 601 of the right support 6 are the same in size and are symmetrically arranged, and the two left through holes 101 and the two right through holes 601 are arranged at the same center distance; the front cylindrical surface 302 of the eccentric carrier roller and the ring hole 201 of the retainer ring 2 are the same as the left through hole 101 of the left support 1 in size, the front cylindrical surface 302 is arranged in the left through hole 101, the retainer ring 2 is arranged between the front end of the eccentric carrier roller and the left support 1, the retainer ring 2 is sleeved outside the front cylindrical surface 302 of the eccentric carrier roller through the ring hole 201, the inner end 203 of the retainer ring 2 is tightly attached to the end surface of the inner ring of the self-lubricating knuckle bearing 5, and the outer end 202 of the retainer ring 2 is tightly attached to the end surface of the; the sizes of the rear cylindrical surface 302 of the eccentric carrier roller and the ring hole 201 of the retainer ring 2 are the same as the size of the right through hole 601 of the right support 6, the rear cylindrical surface 305 is arranged in the right through hole 601, the retainer ring 2 is arranged between the rear end of the eccentric carrier roller and the right support 6, the retainer ring 2 is sleeved outside the rear cylindrical surface 305 of the eccentric carrier roller through the ring hole 201, the inner end 203 of the retainer ring 2 is tightly attached to the end surface of the inner ring of the self-lubricating spherical plain bearing 5, and the outer end 202 of the retainer ring 2 is tightly.

In the foregoing, the two ends of the eccentric cylindrical surface 301 of the eccentric shaft 3 are limited by the inner ends 203 of the retainer rings 2 to realize the axial positioning of the eccentric carrier rollers.

In the foregoing, self-lubricating spherical plain bearings 5 are installed in bearing holes 401 at both ends of the support carrier roller 4, and inner holes of the self-lubricating spherical plain bearings 5 are matched with the eccentric cylindrical surface 301 of the eccentric shaft 3; bearing holes 401 and hole end faces 403 at two ends of the supporting carrier roller 4 are connected with the eccentric cylindrical surface 301 of the eccentric shaft 3 through self-lubricating joint bearings 5, and the self-lubricating joint bearings 5 are provided with lubricants to ensure that the supporting surface 402 of the carrier roller 4 flexibly rotates around the eccentric cylindrical surface 301 of the eccentric shaft 3 under the rotating friction pushing of supported ESR (equivalent series resistance) of the electromagnetic stirring roller. The supporting carrier roller 4 passively rotates around the eccentric cylindrical surface 301 of the eccentric shaft 3, and the consistency and stability of contact with the supported ESR of the electromagnetic stirring roller are ensured.

In the foregoing, the outer cylindrical surface of the fixing pin 10 is respectively matched with the inner semicircular counterbore 306 of the eccentric shaft 3 and the outer semicircular counterbore 609 of the right support 6, and the number 610 of the outer semicircular counterbore 609 at the same position of the right through hole 601 of the rear cylindrical surface 305 and the right support 6 which are matched with each other is consistent with the direction of the code 307 of the inner semicircular counterbore 306. After the heights of the two supporting rollers 4 are optimally adjusted to be symmetrical, the fixing pin 10 is inserted into a complete round counter bore formed by the only inner semi-circular counter bore 306 and the only outer semi-circular counter bore 609 and is riveted, so that the two eccentric shafts 3 and the right support 6 are firmly fixed, and the positions of the two supporting rollers 4 are kept in a reliable state for a long time.

In this embodiment, the left bell mouth 103 of the left support 1, the right bell mouth 603 of the right support 6, and the arc top smooth conical surface 702 of the connecting plate 7 facilitate the falling of the crushed slag entering the supporting roller device with the accurate height adjustment. The left top cambered surface 108 arranged on the left support 1 and the right top cambered surface 608 arranged on the right support 6 avoid interfering with the ESR of the electromagnetic stirring roller.

In this embodiment, the device is assembled on the riser of slab caster segmental electromagnetic stirring roller ESR installation department through left constant head tank 104 that left support 1 set up, right constant head tank 604 that left side installation screw 105 and right support 6 set up, right side installation screw 605, two eccentric shafts 3 symmetry installation, its symmetry axis and the same vertical plane of the axis of the slab electromagnetic stirring roller ESR of supporting, with angle modulation, two bearing rollers 4 remain the centering all the time, the slab electromagnetic stirring roller ESR both sides that the symmetry contact supported respectively and be in the same contact state. The supporting surfaces 402 of the double supporting carrier rollers 4 which are symmetrically arranged perfectly contact the two side surfaces of the supported ESR of the electromagnetic stirring roller, the two supporting rollers 4 and the supported ESR of the slab electromagnetic stirring roller form a structure in a shape like a Chinese character pin to form a stable supporting system, the axis of the ESR of the electromagnetic stirring roller falls into the symmetrical bisection plane P of the heightening supporting carrier roller device, the resultant force N of the ESR supporting of the electromagnetic stirring roller points upwards to the axis of the ESR of the electromagnetic stirring roller, and the ESR supporting of the electromagnetic stirring roller is supported to reach the optimal supporting state.

In this embodiment, in the adjusting process, the protrusions 303 of the two eccentric shafts 3 are used as the wrench positions to respectively rotate the two protrusions 303 in the same direction in the same angle, so as to respectively rotate the two eccentric shafts 3 in the same direction in the same angle in the opposite direction, the eccentric positions and heights of the two eccentric cylindrical surfaces 301 can be symmetrically adjusted, at the moment, a pair of outer semicircular counter bores 609 and inner semicircular counter bores 306 in two groups are quite close to each other to form a whole cylindrical surface, the whole cylindrical surface is adjusted to be inserted with a fixing pin 10 and then riveted, numbers 610 and codes 307 of the two groups of outer semicircular counter bores are remembered to form numbers (such as 7d), the other pair of outer semicircular counter bores 609 and inner semicircular counter bores 306 with the same number (7d) are adjusted to be inserted with the fixing pin 10 and then riveted, so that the two eccentric shafts 3 and the right support 6 are firmly fixed, the position states of the two supporting rollers are reliably and permanently kept, the two eccentric carrier rollers are necessarily symmetrical to a symmetrical bisection plane P of the support, and the contact between the eccentric carrier rollers and the electromagnetic stirring roller ESR is. If the numbers m and n are set to be relatively prime, the precision of the minimum adjusting angle of the rotating eccentric shaft 3 is 360 degrees/(m × n), and if the height adjusting range of the eccentric carrier roller is H, the height adjusting precision of the eccentric carrier roller is H/(m × n). In this embodiment, when m is 9, n is 16, and H is 2.8mm, the height adjustment accuracy of the precisely height-adjustable supporting idler device of this embodiment is 0.0195mm, and it is seen that the accuracy is very high. The value of m x n can be increased if higher accuracy is desired.

In this embodiment, the nozzle device 8 cleans the fine skin peeled off from the slab adsorbed on the contact surface between the support surface 402 of the support idler 4 and the ESR of the electromagnetic stirring roller, and maintains the contact quality between the support idler 4 and the ESR of the electromagnetic stirring roller. The supporting carrier rollers 4 can flexibly rotate around the eccentric cylindrical surface 301 of the eccentric shaft 3 under the pushing of the rotating friction of the supported ESR of the electromagnetic stirring roller without additional lubrication, and the supporting of the ESR of the electromagnetic stirring roller by the double supporting carrier rollers 4 is always in a rolling state, so that the abrasion between the two is reduced, and the service life is prolonged.

In the embodiment, the height of the double-supporting carrier roller 4 is accurately adjusted, the supporting surfaces 402 of the symmetrically arranged double-supporting carrier rollers 4 are perfectly contacted with the two side surfaces of the ESR of the supported electromagnetic stirring roller to form a stable Chinese character pin-shaped double-side support, the ESR of the supported electromagnetic stirring roller by the double-supporting carrier rollers 4 reaches an optimal supporting state, and the supporting resultant force N of the ESR of the electromagnetic stirring roller is upwards directed to the axis of the ESR of the electromagnetic stirring roller; the supported ESR of the electromagnetic stirring roller is more convenient and effective to install and adjust, higher in adjustment precision and higher in efficiency; the supported ESR of the electromagnetic stirring roller has stronger use rigidity and more reliable work.

The above embodiments are only described and illustrated with reference to the preferred embodiments, and are not intended to limit the concept and scope of the present invention, without departing from the design principles of the present invention, and those skilled in the art will be able to modify the pin holes formed by the alignment of the inner semi-circular counter bore 306 and the outer semi-circular counter bore 609 and the cross-sectional shape of the fixing pin 10 into rectangular, square and polygonal shapes, and add the auxiliary positioning key structure on the outer edge of the end of the eccentric shaft 3 and in the outer side of the corresponding right through hole 601 along the upper edge or other corresponding positions, which all fall into the protection scope of the present invention.

Claims

1. The supporting roller accurate height adjustment auxiliary supporting device in slab production comprises a left support (1), a retainer ring (2), an eccentric shaft (3), a supporting roller (4), a self-lubricating joint bearing (5), a right support (6), a connecting plate (7) and a fixing pin (10); the device is characterized in that a connecting plate (7) is horizontally fixed at the lower part between a left support (1) and a right support (6) which are vertically installed in parallel, a pair of eccentric carrier roller assemblies are symmetrically installed between the left support (1) and the right support (6) in parallel on the upper side of the connecting plate (7), each eccentric carrier roller assembly comprises an eccentric shaft (3), a self-lubricating joint bearing (5) and a supporting carrier roller (4) which are connected through shafts, and the symmetrical shafts of the two eccentric carrier roller assemblies and the axial line of a supported slab Electromagnetic Stirring Roller (ESR) are positioned on the same vertical plane, namely a symmetrical bisection plane (P); a supporting carrier roller (4) is sleeved outside the middle section of the eccentric shaft (3) through a self-lubricating joint bearing (5), two ends of the supporting carrier roller (4) are respectively sleeved with a retainer ring (2), and two ends of the eccentric shaft (3) are respectively arranged on the left support (1) and the right support (6); inner semicircular counter bores (306) are uniformly distributed on the outer edge of the end part of the eccentric shaft (3), outer semicircular counter bores (609) are uniformly distributed on the inner edge of the end part of the eccentric shaft (3) extending out of the outer side of the corresponding right through hole (601) on the right support (6), and fixing pins (10) are inserted into pin holes formed by aligning the inner semicircular counter bores (306) with the outer semicircular counter bores (609); moreover, the inner semi-circle counter bore (306) and the outer semi-circle counter bore (609) are respectively marked with a code (307) or a number (610), the two groups of inner semi-circle counter bores (306) and outer semi-circle counter bores (609) corresponding to the two eccentric shafts (3) are identical in number and position, the top edges of two eccentric cylindrical surfaces (301) of the two eccentric shafts (3) are at the same height when the two eccentric shafts (3) are oppositely positioned, and the two eccentric cylindrical surfaces (301) of the two eccentric shafts (3) are completely symmetrical relative to a symmetrical bisection plane (P).

2. A supporting roller precision height adjustment auxiliary supporting device in slab production according to claim 1, characterized in that the left support (1) comprises: the device comprises a left through hole (101), a left counter bore (102), a left bell mouth (103), a left positioning groove (104), a left mounting screw hole (105), a left connecting hole (106), a left nozzle interface (107) and a left top cambered surface (108); the left support is characterized in that a pair of left through holes (101) are symmetrically formed in two sides of the upper part of a vertically installed left support (1), a ring-groove-shaped left counter bore (102) is formed in the outer side of each left through hole (101), a left bell mouth (103) is formed in the outer side of each left counter bore (102), a left positioning groove (104) is formed in the middle of the bottom edge of the left support (1), left installation screw holes (105) are formed in two ends of each left positioning groove (104), a left connecting hole (106) is formed in the middle of the left support (1), namely between the two left through holes (101), and a downward-recessed left top arc surface (108) is formed in; the right support (6) comprises: the nozzle comprises a right through hole (601), a right counter bore (602), a right bell mouth (603), a right positioning groove (604), a right mounting screw hole (605), a right connecting hole (606), a right nozzle interface (607), a right top cambered surface (608), an outer semi-circular counter bore (609) and a serial number (610); the right through hole (601), the right counter bore (602), the right bell mouth (603), the right positioning groove (604), the right mounting screw hole (605), the right connecting hole (606), the right nozzle interface (607) and the right top cambered surface (608) are respectively the same as the corresponding left through hole (101), the left counter bore (102), the left bell mouth (103), the left positioning groove (104), the left mounting screw hole (105), the left connecting hole (106), the left nozzle interface (107) and the left top cambered surface (108); the retainer ring (2) includes: a ring hole (201), an outer end (202) and an inner end (203); the eccentric shaft (3) comprises: the cooling structure comprises an eccentric cylindrical surface (301), a front cylindrical surface (302), a bulge (303), a cooling hole (304), a rear cylindrical surface (305), an inner semi-circular counter bore (306) and a code (307); an eccentric cylindrical surface (301) is arranged on the outer wall of the middle section of the eccentric shaft (3), a through hole is axially formed in the middle of the inner part of the eccentric shaft (3), a front cylindrical surface (302) and a rear cylindrical surface (305) are respectively arranged on the outer walls of two ends of the eccentric shaft (3), a bulge (303) is arranged at the end part of the front cylindrical surface (302), and a cooling hole (304) connected with the through hole is formed in the middle of the end surface of the bulge (303; the front cylindrical surface (302) and the rear cylindrical surface (305) are coaxial, and the eccentric cylindrical surface (301) is eccentric to the front cylindrical surface (302) and the rear cylindrical surface (305); the supporting idler (4) comprises: a bearing hole (401), a hole end surface (403), and a bearing surface (402); the bearing hole (401) and the bearing surface (402) are coaxial; the outer wall of the supporting carrier roller (4) is provided with a supporting surface (402), the middle part of the supporting carrier roller (4) is axially provided with a through hole, two ends of the through hole are respectively provided with a bearing hole (401), and the inner side of the bearing hole (401) is provided with a truncated cone-shaped hole end surface (403); the connection plate (7) comprises: a screw hole (701) and an arc top smooth conical surface (702) are connected; the connecting plate (7) is vertically installed, the top edge of the connecting plate is provided with an arc top smooth conical surface (702), and meanwhile, the edges of the two ends of the connecting plate (7) are respectively provided with a connecting screw hole (701).

3. A carrier roller accurate height adjustment auxiliary supporting device in slab production as claimed in claim 2, characterized in that the number of the inner semi-circular counter bores (306) is m, the axes of the inner semi-circular counter bores (306) are arranged on the rear cylindrical surface (305), the initial distribution positions of the inner semi-circular counter bores (306) are at the uppermost end of the eccentricity of the eccentric cylindrical surface (301), the codes (307) are from the initial distribution positions of the inner semi-circular counter bores (306), and the codes (307) are one-to-one corresponding marks of the inner semi-circular counter bores (306); the number of the outer semi-circle counter bores (609) is n, the initial distribution positions of the outer semi-circle counter bores (609) are at the uppermost end of the right through hole (601), the serial numbers (610) start from the initial distribution positions of the outer semi-circle counter bores (609), and the serial numbers (610) are one-to-one corresponding identifications of the outer semi-circle counter bores (609); the left group of serial numbers (610) and the right group of serial numbers (610) on the right support (6) are marked clockwise and anticlockwise respectively.

4. An auxiliary supporting device for accurately adjusting the height of a supporting roller in slab production according to claim 2, characterized in that the outer cylindrical surface of the fixing pin (10) is respectively matched with the inner semicircular counter bore (306) of the eccentric shaft (3) and the outer semicircular counter bore (609) of the right support seat (6), and the number (610) of the outer semicircular counter bore (609) at the same position of the right through hole (601) of the rear cylindrical surface (305) and the right support seat (6) which are matched with each other is consistent with the coding (307) direction of the inner semicircular counter bore (306).

5. A supporting roller precision height adjustment auxiliary supporting device in slab production as claimed in claim 2, characterized in that the front cylindrical surface (302) is the same size and fitted with the left through hole (101) of the left support (1), and the rear cylindrical surface (305) is the same size and fitted with the right through hole (601) of the right support (6); the two eccentric carrier roller assemblies are matched with ring holes (201) of retainer rings (2) at two ends, outer ends (202) and inner ends (203), front cylindrical surfaces (302) and rear cylindrical surfaces (305) of eccentric shafts (3), left through holes (101) and left counter bores (102) of a left support (1), and right through holes (601) and right counter bores (602) of a right support (6) through inner sleeve end faces of self-lubricating joint bearings (5) at two ends.

6. An auxiliary supporting device for accurately adjusting the height of a carrier roller in slab production according to claim 2, characterized in that the inner end (203) of the retainer ring (2) is tightly attached to the end surface of the inner ring of the self-lubricating spherical plain bearing (5), and the outer end (202) of the retainer ring (2) is tightly attached to the end surfaces of the left counter bore (102) of the left support (1) and the right counter bore (602) of the right support (6), respectively.

7. An idler roll precision height adjustment auxiliary supporting device in slab production as claimed in claim 1 or 2, characterized in that the same side end parts of the two eccentric shafts (3) are respectively connected with a cooling pipeline (9) through respective cooling holes (304), and the cooling holes (304) are connected with the cooling pipeline (9).

8. A supporting roller accurate height adjustment auxiliary supporting device in slab production as claimed in claim 1 or 2, characterized in that the left and right upper oblique corners of the left support (1) are provided with left nozzle ports (107), the left and right upper oblique corners of the right support (6) are provided with right nozzle ports (607), and the left nozzle ports (107) and the right nozzle ports (607) are connected with the nozzle device (8).

9. An idler precision height adjustment auxiliary support device in slab production according to claim 3, characterized in that the numbers m, n are set to be coprime, the precision of the minimum adjustment angle of the rotating eccentric shaft (3) is 360 °/(m x n), the height adjustment range of the eccentric idler is H, and the height adjustment precision of the eccentric idler assembly is H/(m x n).