CN210877456U

CN210877456U - Stepless height-adjusting supporting device for carrier roller in slab processing process

Info

Publication number: CN210877456U
Application number: CN201920041132.7U
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: 2020-06-30
Anticipated expiration: 2029-01-10

Abstract

The stepless height-regulating supporting device for the carrier roller in the slab processing process adopts a symmetrical structure to arrange double-eccentric supporting carrier rollers, and continuously and steplessly regulates the eccentric positions of the double-eccentric carrier rollers by means of a connecting rod wheel train, so that the distance and the height of the double carrier rollers are continuously changed in an eccentric range, and the supported electromagnetic stirring roller can reach the optimal supporting state. 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), a nozzle device (8), a cooling pipeline (9), an expansion sleeve (10) and a connecting rod wheel train (11); the two eccentric shafts (3) synchronously rotate in opposite directions, the two supporting carrier rollers (4) are driven to synchronously ascend or descend by the self-lubricating joint bearing (5), and the ascending and descending heights of the two supporting carrier rollers (4) are steplessly adjusted and are axially adjusted in a self-adaptive manner; the installation is high-efficient, adjusts simply, and automatic centering, supporting rigidity is strong, reliable safety and stability, long service life.

Description

Stepless height-adjusting supporting device for carrier roller in slab processing process

Technical Field

The utility model relates to a slab continuous casting roller, slab electromagnetic stirring roller's supplementary bearing equipment device's institutional advancement technique, especially the stepless support device that increases of bearing roller in the slab course of working.

Background

In the prior art, in order to improve the quality of a slab, an electromagnetic stirring roller with a whole through roller structure is usually used in a second cold area of a fan-shaped section of a slab continuous casting line, and due to technical limitations including the particularity of the electromagnetic stirring roller, when the width of the slab is larger than 1800mm, in order to reduce the deformation of a roller sleeve, reduce the water leakage probability and improve the service life of the roller type electromagnetic stirring, an auxiliary supporting roller needs to be additionally arranged.

The related patent applications are less published. Chinese patent application 201420413905.7 discloses a parallel bearing roller frame of adjustable height belongs to belt feeder transportation equipment technical field, and the technical problem that solve provides a parallel bearing roller frame that uses the flexibility ratio good, highly can adjust, the technical scheme who adopts: the both ends of frame body are first pillar and second pillar respectively, the length direction of first pillar is opened has and lets gliding guide way from top to bottom of first regulating plate and let a plurality of bolt holes that the bolt passed, and this guide way is clearance fit with the link of first regulating plate, the length direction of second pillar is opened has and lets gliding guide way from top to bottom of second regulating plate and let a plurality of bolt holes that the bolt passed, and this guide way and the first link of regulating plate are clearance fit, the one end of first regulating plate is connected with the one end of bearing roller, the other end and the first leg joint of first regulating plate, the one end and the other end of bearing roller of second regulating plate are connected, the other end and the second pillar joint of second regulating plate.

In the technical field of auxiliary support of the existing electromagnetic stirring roller for the plate blank, two structures are commonly used: the single roller transversely adjusts supplementary support bearing roller and the two roller support bearing rollers of gasket height-adjusting. The technologies and the methods have the defects that the single roller has weak supporting rigidity, generates lateral thrust on the electromagnetic stirring roller, causes the electromagnetic stirring roller to generate lateral deformation, is easy to wear the electromagnetic stirring roller, has potential safety hazards and has short service life; 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 stacked, if the gasket is not ideal, the gasket needs to be installed again, the adjustment is repeated, and the adjustment is difficult and the efficiency is low. The technical problems of the prior art include: the single-roller support is weak in rigidity, generates lateral thrust on the electromagnetic stirring roller P to enable the electromagnetic stirring roller P to generate lateral deformation and easily abrade the electromagnetic stirring roller P, has potential safety hazards and is short in service life; 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 problems of difficult adjustment of the thickness (0.1mm) of a single gasket, low efficiency and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stepless supporting device that increases of bearing roller in slab course of working has solved the regulation difficulty that the technique existed in the past effectively, and is inefficient, and the bearing rigidity is weak, and easy wearing and tearing easily produce side thrust to electromagnetic stirring roller, easily make electromagnetic stirring roller produce the lateral deformation, harm electromagnetic stirring roller life, have defects such as potential safety hazard and.

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 support carrier roller, a self-lubricating joint bearing, a right support, a connecting plate, a nozzle device, a cooling pipeline, an expansion sleeve and a connecting rod wheel system; a symmetrically-installed double-support carrier roller eccentric structure is adopted, wherein the eccentric structure comprises an eccentric shaft, a support carrier roller and a self-lubricating joint bearing; the two eccentric shafts synchronously and reversely rotate, the two supporting support rollers are driven by the self-lubricating joint bearing to synchronously ascend or descend, and the ascending and descending heights of the two supporting support rollers are regulated in a stepless manner and are regulated in an axial self-adaptive manner; a pair of supporting carrier rollers are symmetrically and parallelly installed between a left support and a right support which are erected at two ends in parallel, self-lubricating joint bearings are connected to the middle portions of the supporting carrier rollers in a lining mode, an eccentric shaft penetrates through the middle portions of the supporting carrier rollers, the supporting carrier rollers are connected with the left support and the right support after being respectively sleeved with check rings from two ends through the eccentric shaft, a connecting plate is installed between the left support and the right support, the outer sides of the left supports, penetrating through the end portions of the same sides of a pair of eccentric shafts of the pair of supporting carrier rollers, are provided with connecting rod wheel trains through; the upper sides of the left support and the right support are respectively connected with a nozzle device, the jet orifice of the nozzle device is over against the upper side of the support carrier roller, and the end part of the eccentric shaft is connected with a cooling pipeline; the connecting rod wheel is a stepless adjusting wheel system. The connecting rod wheel system is only used for adjusting the height of the supporting carrier roller. The left support includes: 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; the left support is vertically installed, a pair of left through holes are symmetrically formed in two sides of the upper portion of the left support, a left counter bore with a larger diameter 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 bottom of the left support upwards along the middle portion, left installation screw holes are formed in two ends of the left positioning groove respectively upwards, a left connecting hole is formed between the two left through holes, a left top cambered surface is formed in the middle portion of the top edge of the left support downwards, and left nozzle interfaces are formed in two ends of; the retaining ring includes: a ring hole, an outer end and an inner end. The retainer ring is axially provided with a ring hole, and the two axial ends of the retainer ring are respectively provided with an outer end and an inner end in the shape of a ring platform; the eccentric shaft includes: the eccentric cylindrical surface, the front cylindrical surface, the bulge, the cooling hole and the rear cylindrical surface; the middle part of the outer wall of the eccentric shaft is provided with an eccentric cylindrical surface, the outer walls of two ends of the eccentric shaft are respectively provided with a front cylindrical surface and a rear cylindrical surface, the front end of the front cylindrical surface is provided with a square-table-shaped bulge, and the middle part of the bulge of the eccentric shaft is axially provided with a hole-shaped cooling hole; the front cylindrical surface and the rear cylindrical surface are coaxial, the eccentric cylindrical surface is eccentric with the front cylindrical surface and the rear cylindrical surface, the eccentric shaft is provided with a cooling hole, and the same end of the two eccentric shafts is connected with a cooling pipeline; the support bearing roller includes: bearing bore, bearing surface and bore end face. The supporting carrier roller is axially provided with a through hole, two ends of the through hole are respectively provided with a cylindrical inner wall-shaped bearing hole, the inner end surface of each bearing hole is respectively provided with a circular platform-shaped hole end surface, and the outer wall of the supporting carrier roller is a cylindrical supporting surface. The bearing hole and the bearing surface are coaxial; the right support includes: the right through hole, the right counter bore, the right bell mouth, the right locating slot, the right mounting screw hole, the right connecting hole, the right nozzle interface, the right top cambered surface and the rear counter bore; the right support is vertically installed, a pair of right through holes are symmetrically formed in two sides of the upper portion of the right support, a right counter bore with a large diameter is formed in the outer side of the right through hole, a right horn mouth is formed in the outer side of the right counter bore, a right positioning groove is formed in the bottom of the right support upwards along the middle portion, right installation screw holes are formed in two ends of the right positioning groove respectively upwards, a right connecting hole is formed between the two right through holes, a right top cambered surface is formed in the right support top downwards along the middle portion, right nozzle interfaces are formed in two ends of the right support top edge respectively, and a. The right counter bore and the rear counter bore are coaxial; the connecting plate includes: the connecting plate is vertically installed, the top edge of the connecting plate is provided with the arc top smooth conical surface, and the edges of two ends of the connecting plate are provided with screw holes; the link wheel train includes: the gear mechanism comprises a first gear, a second gear, a third gear, a fourth gear, a first connecting rod, a second connecting rod and a third connecting rod. Wherein, first gear still includes: the hole, fourth gear still include: an inner cavity; the second gear and the third gear are positioned at the lower side in parallel, a second connecting rod is connected between the second gear and the third gear middle shaft, the first gear and the fourth gear are positioned at two outer sides above the second gear and the third gear in parallel, a first connecting rod is connected between the first gear and the second gear middle shaft, and a third connecting rod is connected between the third gear and the fourth gear middle shaft; the first gear, the second gear, the third gear and the fourth gear have the same module and pressure angle, and have the same rotating speed and opposite rotating directions.

In particular; the check ring is sleeved outside the front cylindrical surface and the rear cylindrical surface through a ring hole, the inner end of the check ring is tightly attached to the end surface 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 surfaces of the left counter bore of the left support and the right counter bore of the right support; the front cylindrical surface, the ring hole and the right through hole are matched in size.

Particularly, the two left through holes of the left support are matched in size and symmetrically arranged, and the two right through holes of the right support are identical in size and symmetrically arranged; the center distance of the two left through holes is the same as that of the two right through holes.

Particularly, a left nozzle interface is processed on the left oblique upper angle and the right oblique upper angle of the left support, a right nozzle interface is processed on the left oblique upper angle and the right oblique upper angle of the right support, and the left nozzle interface and the right nozzle interface are connected with the nozzle device.

Particularly, the front cylindrical surface of the eccentric shaft is assembled with the left through hole of the left support, and the rear cylindrical surface of the eccentric shaft is assembled with the right through hole of the right support.

Particularly, bearing holes and hole end faces at two ends of the supporting carrier roller are connected with an eccentric cylindrical surface of the eccentric shaft through self-lubricating joint bearings, and the supporting carrier roller rotates around the eccentric shaft; self-lubricating joint bearings are arranged on bearing holes at two ends of the supporting carrier roller, and inner holes of the self-lubricating joint bearings are matched with the eccentric cylindrical surface of the eccentric shaft; the supporting carrier roller passively rotates around the eccentric cylindrical surface of the eccentric shaft.

Particularly, an inner hole of the expansion sleeve is sleeved with the rear cylindrical surface of the eccentric shaft, and the outer cylindrical surface and the end surface of the expansion sleeve are sleeved with the rear counter bore of the right support.

Particularly, the connecting rod wheel train is matched with the bulges of the two eccentric shafts through an inner hole and an inner cavity; the inner hole, the inner cavity and the bulge are both in the same square shape in cross section, so that the bulge is matched with the inner hole and the inner cavity.

The utility model discloses an advantage and effect: the double-eccentric supporting carrier roller is arranged in a symmetrical structure, the installation is efficient, the connecting rod wheel train 11 and the double-carrier roller are used for stepless adjustment of the supporting height, the adjustment is simple, the automatic centering is realized, the supporting rigidity is strong, the supported electromagnetic stirring roller can reach the optimal supporting state, the reliability, the safety and the stability are realized, and the service life is long.

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

FIG. 5 is a schematic front view of the left support

FIG. 6 is a partial cross-sectional view of FIG. 5

FIG. 7 is a schematic sectional view of a retainer ring

FIG. 8 is a front view of the eccentric shaft

FIG. 9 is a left side view of FIG. 8

FIG. 10 is a schematic cross-sectional view of a idler

FIG. 11 is a front view of the right support

FIG. 12 is a partial cross-sectional view of FIG. 11

FIG. 13 is a front view of the connection plate

FIG. 14 is a right-side view of FIG. 13

FIG. 15 is a schematic view of a link gear train

The reference numerals include: 1-left support, 2-retainer ring, 3-eccentric shaft, 4-support carrier roller, 5-self-lubricating joint bearing, 6-right support, 7-connecting plate, 8-nozzle device, 9-cooling pipeline, 10-expansion sleeve and 11-connecting rod wheel system; m-middle split surface and P-electromagnetic stirring roller;

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 cylinder, 302-front cylinder, 303-bump, 304-cooling hole, 305-rear cylinder;

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

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 and 609-rear counter bore;

701-screw hole, 702-arc top smooth conical surface;

110A-first gear, 110B-second gear, 110C-third gear, 110D-fourth gear, 1102-first link, 1103-second link, 1104-third link. Wherein the first gear 110A further comprises: 1101-an inner bore; the fourth gear 110D further includes: 1105 — lumen.

Detailed Description

The utility model discloses according to the gear engagement principle, eccentric cam principle, the vector synthesis principle interact integrated design of friction roll principle and two roller holding power, use electromagnetic stirring roller P as an example, promote current auxiliary bearing to two eccentric bearing roller structures and symmetry setting, to the axle of the upwards directional electromagnetic stirring roller P of the supporting resultant force N of electromagnetic stirring roller P, reach the eccentric position with the help of connecting rod train continuous regulation two eccentric bearing rollers, make the interval and the height of two bearing rollers change automatic centering symmetry in eccentric scope in succession, form stable "article" style of calligraphy bilateral bearing structure with the electromagnetic stirring roller P that supports, reach best supporting state to the electromagnetic stirring roller P that supports, make the installation and the regulation of the electromagnetic stirring roller P that supports more convenient and effective, the efficiency is higher, make the slab continuous casting roller or the electromagnetic stirring roller P that support use the rigidity reliable, Stable, the supporting rigidity is obviously enhanced, the work is more reliable and the service life is longer.

In the utility model, a symmetrically installed double-eccentric carrier roller structure is adopted, wherein, the eccentric carrier roller comprises an eccentric shaft 3, a support carrier roller 4 and a self-lubricating joint bearing 5; the pair of eccentric carrier rollers are symmetrically arranged between the left support 1 and the right support 6, and the symmetry axes of the eccentric carrier rollers and the axes of the supported electromagnetic stirring rollers P of the plate blank are positioned on the same vertical plane.

The utility model discloses in, connecting rod train 11 only is used for adjusting the height of supporting roller 4, and connecting rod train 11 need be torn open to the stepless supporting roller device that increases during operation.

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

The utility model discloses a: left support 1, retaining ring 2, eccentric shaft 3, supporting roller 4, self-lubricating joint bearing 5, right support 6, connecting plate 7, nozzle device 8, cooling pipeline 9, cover 10 and connecting rod train 11 expand.

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

Example 1: as shown in the attached figures 1, 2, 3 and 4, a pair of supporting rollers 4 are symmetrically installed in parallel between a left support 1 and a right support 6 which are erected at two ends in parallel, self-lubricating joint bearings 5 are connected to the middle parts of the supporting rollers 4 in a lining mode, eccentric shafts 3 axially penetrate through the supporting rollers, the supporting rollers 4 are connected with the left support 1 and the right support 6 after being respectively sleeved with check rings 2 from two ends through the eccentric shafts 3, a connecting plate 7 is installed between the left support 1 and the right support 6, the outer side of the left support 1 penetrating through the end parts of the pair of eccentric shafts 3 of the supporting rollers 4 on the same side is provided with a connecting rod wheel train 11 through the connecting plate 7, and an expansion sleeve 10 is installed; the upper sides of the left support 1 and the right support 6 are respectively connected with a nozzle device 8, the jet orifice of the nozzle device 8 is over against the upper side of the support carrier roller 4, and the end part of the eccentric shaft 3 is connected with a cooling pipeline 9.

As shown in fig. 5 and 6, 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. The left support 1 is vertically installed, a pair of left through holes 101 are symmetrically formed in two sides of the upper portion of the left support 1, a left counter bore 102 with a large diameter is formed in the outer side of the left through hole 101, a left horn 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 upwards, left installation screw holes 105 are formed in two ends of the left positioning groove 104 upwards respectively, a left connecting hole 106 is formed between the two left through holes 101, a left top arc surface 108 is formed in the middle of the top edge of the left support 1 downwards, and left nozzle interfaces 107 are formed in two ends of the top edge of the.

As shown in fig. 7, the retainer ring 2 includes: an annular aperture 201, an outer end 202 and an inner end 203. The retainer ring 2 is axially provided with a ring hole 201, and the two axial ends of the retainer ring 2 are respectively provided with an outer end 202 and an inner end 203 which are in the shape of a ring platform.

As shown in fig. 8 and 9, the eccentric shaft 3 includes: eccentric cylindrical surface 301, front cylindrical surface 302, boss 303, cooling hole 304, and rear cylindrical surface 305; an eccentric cylindrical surface 301 is arranged in the middle of the outer wall of the eccentric shaft 3, the outer walls of two ends of the eccentric shaft 3 are respectively provided with a front cylindrical surface 302 and a rear cylindrical surface 305, a square-table-shaped bulge 303 is arranged at the front end of the front cylindrical surface 302, and a hole-shaped cooling hole 304 is axially formed in the eccentric shaft 3 through the middle 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 eccentric shafts 3 are provided with cooling holes 304, and the same ends of the two eccentric shafts 3 are connected with cooling pipelines 9, so that cooling liquid or cooling gas forms a cooling loop in the stepless height-adjusting carrier roller device.

As shown in fig. 10, the support roller 4 includes: bearing bore 401, bearing surface 402, and bore end face 403. The supporting roller 4 is axially provided with a through hole, two ends of the through hole are respectively provided with a cylindrical inner wall-shaped bearing hole 401, the inner end surface of the bearing hole 401 is respectively provided with a circular platform-shaped hole end surface 403, and the outer wall of the supporting roller 4 is a cylindrical supporting surface 402. The bearing bore 401 and the bearing surface 402 are coaxial.

As shown in fig. 11 and 12, 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 and a rear counterbore 609. The right support 6 is vertically installed, a pair of right through holes 601 are symmetrically formed in two sides of the upper portion of the right support 6, a right counter bore 602 with a larger diameter is formed in the outer side of the right through hole 601, a right bell mouth 603 is formed in the outer side of the right counter bore 602, a right positioning groove 604 is formed in the middle of the bottom edge of the right support 6 in the upward direction, right installation screw holes 605 are respectively formed in two ends of the right positioning groove 604 in the upward direction, a right connecting hole 606 is formed between the two right through holes 601, a right top cambered surface 608 is formed in the middle of the top edge of the right support 6 in the downward direction, right nozzle interfaces 607 are respectively formed in two ends of the. The right counterbore 602 and the rear counterbore 609 are coaxial.

As shown in fig. 13 and 14, the connection plate 7 includes: a screw hole 701 and a curved top smooth taper 702. The connecting plate 7 is vertically installed, the top edge of the connecting plate 7 is provided with an arc top smooth conical surface 702, and the edges of two ends of the connecting plate 7 are provided with screw holes 701.

As shown in fig. 15, the link wheel system 11 includes: a first gear 110A, a second gear 110B, a third gear 110C, a fourth gear 110D, a first link 1102, a second link 1103, and a third link 1104. Wherein the first gear 110A further comprises: the bore 1101, the fourth gear 110D further comprises: an inner cavity 1105; the second gear 110B and the third gear 110C are arranged at the lower side in parallel, the second connecting rod 1103 is connected between the middle shafts of the second gear 110B and the third gear 110C, the first gear 110A and the fourth gear 110D are arranged at the two outer sides above the second gear 110B and the third gear 110C in parallel, the first connecting rod 1102 is connected between the middle shafts of the first gear 110A and the second gear 110B, and the third connecting rod 1104 is connected between the middle shafts of the third gear 110C and the fourth gear 110D. The first gear 110A, the second gear 110B, the third gear 110C and the fourth gear 110D have the same module and pressure angle; the first connecting rod 1102, the second connecting rod 1103 and the third connecting rod 1104 are reasonably arranged to match the number of teeth of each gear, so that the first gear 110A, the second gear 110B, the third gear 110C and the fourth gear 110D are ensured to be normally meshed and flexibly rotate around the center of the gears; and, rotating either gear, the first gear 110A and the fourth gear 110D have the same rotational speed and opposite rotational directions. The link wheel train 11 is a stepless adjusting wheel train.

In the foregoing, the retainer ring 2 is installed between the two ends of the eccentric support roller 4 and the left support 1 and the right support 6, the retainer ring 2 is sleeved outside the front cylindrical surface 302 and the rear cylindrical surface 305 through the ring hole 201, the inner end 203 of the retainer ring 2 is tightly attached to the inner ring end surface 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. The front cylindrical surface 302 and the ring hole 201 are matched with the right through hole 601 in size.

In the foregoing, the two left through holes 101 of the left support 1 are the same in size and are symmetrically arranged, and the two right through holes 601 of the right support 6 are the same in size and are symmetrically arranged; the center distance between the two left through holes 101 is the same as the center distance between the two right through holes 601.

In the foregoing, below the pair of eccentric support rollers 4, the left support 1 and the right support 6 are connected by the connecting plate 7, and the left support 1 and the right support 6 are connected into a whole to form the support base by the connecting plate 7 through the left connecting hole 106, the right connecting hole 606 and the screw hole 701 by using bolts; the two eccentric carrier rollers are symmetrical to the median plane M of the supporting seat, and the axes of the two eccentric supporting carrier rollers 4 are parallel. A left nozzle interface 107 is processed at the left and right oblique upper angles of the left support 1, a right nozzle interface 607 is processed at the left and right oblique upper angles of the right support 6, and the left nozzle interface 107 and the right nozzle interface 607 are connected with the nozzle device 8; high pressure gas or high pressure water is input through the nozzle device 8. The nozzle opening of the nozzle device 8 is over against the contact surface of the supporting carrier roller 4 and the supported electromagnetic stirring roller P, and the high-pressure gas or high-pressure water sprayed by the nozzle device 8 enables the contact surface of the supporting carrier roller 4 and the supported electromagnetic stirring roller P to be always kept clean.

In the foregoing, the front cylindrical surface 302 of the eccentric shaft 3 is fitted with the left through hole 101 of the left bracket 1, and the rear cylindrical surface 305 of the eccentric shaft 3 is fitted with the right through hole 601 of the right bracket 6.

In the foregoing, the bearing holes 401 and the hole end faces 403 at the two ends of the support roller 4 are coupled with the eccentric cylindrical surface 301 of the eccentric shaft 3 through the self-lubricating spherical plain bearing 5, and the support roller 4 rotates around the eccentric shaft 3. Specifically, self-lubricating spherical plain bearings 5 are mounted in bearing holes 401 at two ends of the supporting carrier roller 4, and inner holes of the self-lubricating spherical plain bearings 5 are matched with an eccentric cylindrical surface 301 of the eccentric shaft 3; the supporting carrier roller 4 passively rotates around the eccentric cylindrical surface 301 of the eccentric shaft 3, and the consistency and the stability of contact with the supported electromagnetic stirring roller P are ensured.

In the foregoing, the inner hole of the expansion sleeve 10 is sleeved with the rear cylindrical surface 305 of the eccentric shaft 3, the outer cylindrical surface and the end surface of the expansion sleeve 10 are sleeved with the rear counter bore 609 of the right support 6, after the heights of the two support carrier rollers 4 are adjusted to be optimal, the expansion sleeve 10 is fastened to firmly fix the two eccentric shafts 3 and the right support 6, and the position states of the two support carrier rollers 4 are reliably and permanently maintained.

In the foregoing, the connecting rod wheel train 11 is matched with the protrusions 303 of the two eccentric shafts 3 through the inner hole 1101 and the inner cavity 1105; the sections of the inner hole 1101, the inner cavity 1105 and the bulge 303 are the same square, so that the bulge 303 is matched with the inner hole 1101 and the inner cavity 1105, and the eccentric positions and the heights of the two eccentric cylindrical surfaces 301 can be symmetrically, steplessly and synchronously adjusted by rotating any gear, thereby synchronously adjusting the height of the supporting carrier roller 4. The stepless adjusting connecting rod wheel system 11 is characterized in that the two eccentric shafts 3 synchronously and reversely rotate, the two supporting carrier rollers 4 are driven by the self-lubricating knuckle bearing 5 to automatically center and synchronously realize stepless lifting in an adjustable range, the two supporting carrier rollers 4 can be axially and adaptively finely adjusted, the two supporting carrier rollers are symmetrically attached to the two sides of the supported electromagnetic stirring roller P of the plate blank respectively to achieve the optimal contact state, and the two eccentric shafts 3 are fixed on the supporting seats by the fastening expansion sleeve 10.

The embodiment of the utility model provides an in, nozzle device 8's jet is just to the binding face of support roll 4 and electromagnetic stirring roller P, and the tiny epidermis that the absorbent slab of clean electromagnetic stirring roller P outward appearance drops maintains the laminating quality of support roll 4 and electromagnetic stirring roller P, and coolant liquid or cooling gas in the cooling pipeline 9 cool off the roller device of infinitely variable high, guarantees the normal stable bearing state of device to the electromagnetic stirring roller P who bears. 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 axially position the eccentric carrier rollers. The supporting carrier rollers 4 do not need additional lubrication, and flexibly rotate around the eccentric cylindrical surface 301 of the eccentric shaft 3 under the pushing of the rotating friction of the supported electromagnetic stirring roller P, and the pair of supporting carrier rollers 4 always support the electromagnetic stirring roller P in a rolling state, so that the abrasion between the two is reduced, and the service life is prolonged.

In the embodiment of the utility model, the slag that left horn mouth 103 and horn mouth 603 and the smooth conical surface 702 in arc top do benefit to and get into stepless heightening roller device drops. The left top arc surface 108 and the right top arc surface 608 avoid interference with the electromagnetic stirring roller P. The cooling holes 304, the cooling pipeline 9 and the cooling source form a complete cooling loop to fully cool the stepless height-adjusting carrier roller device.

In the embodiment of the utility model, the device is assembled on the vertical plate of the installation position of the electromagnetic stirring roller P of the fan-shaped section of the slab caster through the left positioning groove 104, the left installation screw 105, the right positioning groove 604 and the right installation screw 605, the two eccentric shafts 3 synchronously and reversely rotate, the self-lubricating joint bearing 5 drives the two supporting carrier rollers 4 to synchronously ascend or descend, the ascending and descending heights of the two supporting carrier rollers 4 are steplessly adjusted and the axial direction is self-adjusted, so that the stepless height-adjusting supporting carrier roller device and the supported slab electromagnetic stirring roller P reach the optimal contact state; after the heights of the two supporting carrier rollers 4 are adjusted to be optimal, the expansion sleeve 10 is fastened, and the position states of the two supporting carrier rollers 4 are reliably maintained for a long time; meanwhile, the two eccentric shafts 3 are symmetrically arranged, the symmetrical shafts of the eccentric shafts and the axial lines of the supported electromagnetic stirring rollers P of the plate blank are positioned on the same vertical plane, synchronous adjustment is carried out, the two supporting support rollers 4 are always automatically centered, and are respectively in symmetrical contact with the two sides of the supported electromagnetic stirring rollers P of the plate blank and in the same contact state.

The utility model discloses the device installation, regulation, use and maintenance are more convenient, realize the infinitely variable control, adjust simple, convenient and reliable, have improved regulation precision and bearing rigidity, have prolonged and have increaseed supporting roller device life.

The utility model provides a connecting rod train 11 of other embodiments can also be the connecting rod structure of more than two gear pairs and corresponding quantity and structure and constitute, can normally mesh and set up reasonable number of teeth between each gear, make and rotate arbitrary gear, the eccentric position and the height of highly synchronous adjustment supporting roller 4 promptly of two eccentric cylinder surfaces 301 of the stepless synchronous adjustment of symmetry.

The above is only an example of the present invention, and does not represent the present invention, all the connecting rod wheel system 11 structure categories in the present invention must adopt two pairs of gears.

Claims

1. The stepless height-adjusting supporting device for the carrier roller in the slab processing process comprises a left support (1), a retainer ring (2), an eccentric shaft (3), a supporting carrier roller (4), a self-lubricating joint bearing (5), a right support (6), a connecting plate (7), a nozzle device (8), a cooling pipeline (9), an expansion sleeve (10) and a connecting rod wheel train (11); the eccentric structure is characterized in that a double-support carrier roller (4) eccentric structure is symmetrically installed, wherein the eccentric structure comprises an eccentric shaft (3), a support carrier roller (4) and a self-lubricating joint bearing (5); the two eccentric shafts (3) synchronously rotate in opposite directions, the two supporting carrier rollers (4) are driven to synchronously ascend or descend by the self-lubricating joint bearing (5), and the ascending and descending heights of the two supporting carrier rollers (4) are steplessly adjusted and are axially adjusted in a self-adaptive manner; a pair of supporting carrier rollers (4) are symmetrically and parallelly installed between a left support (1) and a right support (6) which are erected at two ends in parallel, self-lubricating joint bearings (5) are connected to the middle portions of the supporting carrier rollers (4) in a lining mode, eccentric shafts (3) penetrate through the supporting carrier rollers in the axial direction, the supporting carrier rollers (4) are connected with the left support (1) and the right support (6) after being respectively sleeved with check rings (2) from two ends through the eccentric shafts (3), a connecting plate (7) is installed between the left support (1) and the right support (6), a connecting rod wheel train (11) is installed on the outer side of the left support (1) penetrating through the end portions, on the same side, of the pair of eccentric shafts (3) of the supporting carrier rollers (4), and an expansion sleeve (10) is installed on the outer; the upper sides of the left support (1) and the right support (6) are respectively connected with a nozzle device (8), the jet orifice of the nozzle device (8) is over against the upper side of the support carrier roller (4), and the end part of the eccentric shaft (3) is connected with a cooling pipeline (9); the connecting rod wheel train (11) is a stepless adjusting wheel train; the connecting rod wheel train (11) is only used for adjusting the height of the supporting carrier roller (4); 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 (1) is vertically installed, a pair of left through holes (101) are symmetrically formed in two sides of the upper portion of the left support (1), a left counter bore (102) with a larger diameter is formed in the outer side of the left through hole (101), a left horn mouth (103) is formed in the outer side of the left counter bore (102), a left positioning groove (104) is formed in the bottom of the left support (1) along the middle upwards, left installation screw holes (105) are formed in two ends of the left positioning groove (104) upwards respectively, a left connecting hole (106) is formed between the two left through holes (101), a left top cambered surface (108) is formed in the top of the left support (1) along the middle downwards, and left nozzle interfaces (107) are formed in two ends of the; the retainer ring (2) includes: a ring hole (201), an outer end (202) and an inner end (203); a retainer ring (2) is axially provided with a ring hole (201), and both axial ends of the retainer ring (2) are respectively provided with an outer end (202) and an inner end (203) in a ring platform shape; the eccentric shaft (3) comprises: an eccentric cylindrical surface (301), a front cylindrical surface (302), a boss (303), a cooling hole (304), and a rear cylindrical surface (305); an eccentric cylindrical surface (301) is arranged in the middle of the outer wall 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 square-table-shaped bulge (303) is arranged at the front end of the front cylindrical surface (302), and a hole-type cooling hole (304) is axially formed in the middle of the eccentric shaft (3) through the bulge (303); the front cylindrical surface (302) and the rear cylindrical surface (305) are coaxial, the eccentric cylindrical surface (301) is eccentric to the front cylindrical surface (302) and the rear cylindrical surface (305), the eccentric shafts (3) are provided with cooling holes (304), and the same ends of the two eccentric shafts (3) are connected with cooling pipelines (9); the support idler (4) comprises: a bearing bore (401), a bearing surface (402), and a bore end surface (403); a through hole is axially formed in the supporting carrier roller (4), two ends of the through hole are respectively provided with a cylindrical inner wall-shaped bearing hole (401), the inner end surfaces of the bearing holes (401) are respectively provided with a circular platform-shaped hole end surface (403), and the outer wall of the supporting carrier roller (4) is a cylindrical supporting surface (402); the bearing hole (401) and the bearing surface (402) are coaxial; 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) and a rear counter bore (609); the right support (6) is vertically installed, a pair of right through holes (601) are symmetrically formed in two sides of the upper portion of the right support, a right counter bore (602) with a larger diameter is formed in the outer side of the right through hole (601), a right horn mouth (603) is formed in the outer side of the right counter bore (602), a right positioning groove (604) is formed in the middle of the bottom edge of the right support (6) upwards, right installation screw holes (605) are formed in two ends of the right positioning groove (604) upwards respectively, a right connecting hole (606) is formed between the two right through holes (601), a right top cambered surface (608) is formed in the middle of the top edge of the right support (6) downwards, right nozzle interfaces (607) are formed in two ends of the top edge of the right support (6) respectively, and; the right counterbore (602) and the rear counterbore (609) are coaxial; the connection plate (7) comprises: the connecting plate (7) is vertically installed, the arc top smooth conical surface (702) is arranged on the top edge of the connecting plate (7), and the edges of two ends of the connecting plate (7) are provided with screw holes (701); the link wheel train (11) includes: a first gear (110A), a second gear (110B), a third gear (110C), a fourth gear (110D), a first link (1102), a second link (1103) and a third link (1104); wherein the first gear (110A) further comprises: the inner hole (1101) and the fourth gear (110D) further comprise: an inner cavity (1105); the second gear (110B) and the third gear (110C) are arranged at the lower side in parallel, a second connecting rod (1103) is connected between the middle shafts of the second gear (110B) and the third gear (110C), the first gear (110A) and the fourth gear (110D) are arranged at two outer sides above the second gear (110B) and the third gear (110C) in parallel, a first connecting rod (1102) is connected between the middle shafts of the first gear (110A) and the second gear (110B), and a third connecting rod (1104) is connected between the middle shafts of the third gear (110C) and the fourth gear (110D); the first gear (110A), the second gear (110B), the third gear (110C) and the fourth gear (110D) have the same module and pressure angle, and the first gear (110A) and the fourth gear (110D) have the same rotating speed and opposite rotating directions.

2. The stepless height-adjusting supporting device for the carrier roller in the slab processing process according to claim 1 is characterized in that the retainer ring (2) is sleeved outside the front cylindrical surface (302) and the rear cylindrical surface (305) through a 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 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; the front cylindrical surface (302) and the ring hole (201) are matched with the right through hole (601) in size.

3. The stepless height-adjusting supporting device for the carrier roller in the slab processing process according to claim 1 is characterized in that the two left through holes (101) of the left support (1) are matched in size and symmetrically arranged, and the two right through holes (601) of the right support (6) are the same in size and symmetrically arranged; the center distance between the two left through holes (101) is the same as the center distance between the two right through holes (601).

4. The stepless height-adjusting supporting device for the carrier roller in the slab processing process according to claim 1 is characterized in that a left nozzle port (107) is processed on the left and right oblique upper angles of the left support (1), a right nozzle port (607) is processed on the left and right oblique upper angles of the right support (6), and the left nozzle port (107) and the right nozzle port (607) are connected with the nozzle device (8).

5. A stepless height-adjusting support device for an idler in the slab processing course as claimed in claim 1, characterized in that the front cylindrical surface (302) of the eccentric shaft (3) is fitted with the left through hole (101) of the left support (1), and the rear cylindrical surface (305) of the eccentric shaft (3) is fitted with the right through hole (601) of the right support (6).

6. The stepless height-adjusting supporting device of the carrier roller in the slab processing process according to the claim 1 is characterized in that the bearing holes (401) and the hole end faces (403) at the 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 supporting carrier roller (4) rotates around the eccentric shaft (3); self-lubricating joint bearings (5) are mounted in bearing holes (401) at two ends of the supporting carrier roller (4), and inner holes of the self-lubricating joint bearings (5) are matched with eccentric cylindrical surfaces (301) of the eccentric shaft (3); the supporting carrier roller (4) passively rotates around the eccentric cylindrical surface (301) of the eccentric shaft (3).

7. The stepless height-adjusting supporting device for the carrier roller in the slab processing process as claimed in claim 1, characterized in that the inner hole of the expansion sleeve (10) is sleeved with the rear cylindrical surface (305) of the eccentric shaft (3), and the outer cylindrical surface and the end surface of the expansion sleeve (10) are sleeved with the rear counter bore (609) of the right support seat (6).

8. A stepless height-adjusting supporting device of a carrier roller in the slab processing process as claimed in claim 1, characterized in that the connecting rod wheel train (11) is matched with the bulges (303) of the two eccentric shafts (3) through an inner hole (1101) and an inner cavity (1105); the cross sections of the inner hole (1101), the inner cavity (1105) and the bulge (303) are the same square, so that the bulge (303) is matched with the inner hole (1101) and the inner cavity (1105).