CN202185454U - Bearing seat locating device for rolling mill - Google Patents
Bearing seat locating device for rolling mill Download PDFInfo
- Publication number
- CN202185454U CN202185454U CN2011202239432U CN201120223943U CN202185454U CN 202185454 U CN202185454 U CN 202185454U CN 2011202239432 U CN2011202239432 U CN 2011202239432U CN 201120223943 U CN201120223943 U CN 201120223943U CN 202185454 U CN202185454 U CN 202185454U
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- China
- Prior art keywords
- slide block
- gudgeon
- bearing block
- block
- sphere
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Abstract
The utility model relates to a bearing seat locating device for a rolling mill, which comprises a bearing seat trunnion (18) arranged in a groove of a rolling mill stop block as well as an inner perturbation plate and an outer perturbation plate which are arranged on the inner and outer sides of the trunnion, wherein the inner perturbation plate consists of a concave spherical slide block (12) embedded on the inner side of the trunnion (18) and a convex spherical slide block (11) assembled with the spherical surface of the concave spherical slide block in a matching manner; the outer perturbation plate consists of a convex spherical slide block (16) embedded on the outer side of the trunnion (18) and a concave spherical slide block (17) assembled with the spherical surface of the convex spherical slide block in a matching manner; the inward concave spherical slide block (12) moves relative to the inward convex spherical slide block (11), and the outward convex spherical slide block (16) moves relative to the outward concave spherical slide block (17); and the curvature radius of the inner perturbation plate is the same as that of the outer perturbation plate. With the device, the rolling mill can be prevented from moving axially, the perturbation effect of the bearing seat is ensured to be good, the bearing seat has good stress state, the life service of the bearing is long, and the locating device is convenient to install and adjust.
Description
Technical field
The utility model relates to a kind of positioner, particularly a kind of device that can position adjusting to the upper and lower bearing block of milling train.
Background technology
In the operation of rolling, roll receives the influence of axial force on the one hand, between the upper and lower roll skew to axial can take place; Two aspects are under the roll-force effect; It is the simply supported beam of fulcrum that roll can be reduced to fore side bearing block and transmission side bearing block; Two bearing blocks bear the concentrfated load P of roll-force respectively, and roll produces certain flexural deformation, cause bearing block to produce certain dynamic deformation of scratching.Practice shows: the dynamic deformation of scratching of bearing block is whole short stress milling train intrinsic characteristic under roll-force own, should not retrain it.That is: for overcoming the squinting to axial of upper and lower roll to the harmful effect of rolling accuracy; Bearing block has certain dynamic deformation of scratching simultaneously; Bearing block is provided with positioner; The bearing block positioner of existing milling train comprises and being installed on the support; With upper and lower bearing block both sides the limited block that is equipped with and the gudgeon that is positioned at the upper and lower bearing block pedestal two side bottom midway of milling train of roller system and the disturbance plate and outer disturbance plate that is connected as a single entity with the inside and outside both sides of gudgeon with groove; The bearing block gudgeon is inserted in the groove of limited block, and axially moving constraint effect is partially played to gudgeon in the groove two side, and inside and outside disturbance plate plays the flexible constraint effect to the dynamic deformation of scratching of bearing block simultaneously; The groove diapire plays the inclined to one side moving constraint effect of level to gudgeon.
Its weak point is: one, because the disturbance plate of bearing block gudgeon both sides is an arc, and arc is that line contacts with the contact-making surface of limited block groove two side, and not only arc is easy to wear, influenced the effect of the disturbance distortion of bearing block being carried out flexible constraint; And the variation of the gap between bearing block gudgeon and the limited block groove greatly, and the play phenomenon is still relatively more serious forwards, backwards to cause roll mandrel, has reduced the integral rigidity of milling train, has influenced rolling accuracy; And bearing block because of the arc disturbance plate produced to scratch angle smaller, it is poor that bearing block adapts to the disturbance ability of roll-force, the bearing block stress is unstable, has influenced the service life of bearing.Two, since with the trunnion design of upper and lower bearing block in the bottom of its pedestal both sides midway; The vertical all-moving surface design of upper and lower bearing block is in each bearing block protuberance both sides; Receive the restriction of bearing block protuberance height; Vertical amount of movement between the upper and lower bearing block is smaller, causes upper and lower roll gap adjusting range smaller, and the range of application of milling train is affected.Three, because the two side of groove is fixed, the dismounting of gudgeon disturbance plate, adjustment are inconvenient.
The utility model content
The purpose of the utility model provides a kind of can positioning upper and lower bearing block, and the bearing block disturbance adapts to the good bearing block positioner that is used for milling train of regulating effect.
The utility model is used for the bearing block positioner of milling train, comprises the bearing block gudgeon and interior disturbance plate that is installed in the inside and outside both sides of said gudgeon and outer disturbance plate that are inserted in the milling train limited block groove.Wherein: disturbance plate constitutes by the slide block that is inlaid in the inboard concave spherical surface of said gudgeon with the slide block of the equipped protruding sphere of its sphere in said, and said internal convex sphere slide block is connected with interior concave spherical surface slide block, gudgeon through the gudgeon bolt; Said outer disturbance plate constitutes by the slide block of the protruding sphere that is inlaid in the said gudgeon outside with the slide block of the equipped concave spherical surface of its sphere, and said outer concave spherical surface slide block passes through the gudgeon bolt and is connected with evagination sphere slide block, gudgeon; Disturbance plate is identical with the radius of curvature of outer disturbance plate sphere in said, and its centre of sphere is positioned on the joining of fore side bearing block center line BB and gudgeon bolt central axis C C.
The utility model is used for the bearing block positioner of milling train; Wherein: the groove of said limited block is offset to a side of upper and lower lead; This groove is made up of upper and lower lead with right angle breach and the movable side wall that is positioned at right angle breach end; Said bearing block gudgeon is setovered near said bearing block base ends, adapts with the groove of limited block.
The utility model is used for the bearing block positioner of milling train, and wherein: said upper and lower right angle breach sidewall is provided with pad, between said upper and lower lead and upper and lower movable side wall, the adjustment pad is set respectively.
The described bearing block positioner that is used for milling train of the utility model has the following advantages and effect:
1, adopts said structure; The inside and outside disturbance plate of bearing block gudgeon all is designed to constitute by the slide block with concave spherical surface with its equipped slide block with protruding sphere, the disturbance angle that is produced under roll-force according to bearing block simultaneously, the protruding sphere slide block of interior disturbance plate links together through bolt and its concave spherical surface slide block; The concave spherical surface slide block of outer disturbance plate links together through bolt sphere slide block protruding with it; That is: adapt to roll-force at bearing block and produce when scratching, bearing block gudgeon band interior concave spherical surface slide block and the evagination sphere slide block of its both sides and is scratched together, and rotates certain spherical angle with its internal convex sphere slide block that is equipped with and outer concave spherical surface slide block relatively; Not only guaranteed the flexible constraint effect of the adaptability disturbance of bearing block being carried out when rolling; Simultaneously between protruding sphere slide block and the concave spherical surface slide block for face contacts, wearability is good, the gap variation between bearing block gudgeon and the limited block groove is very little; Effectively suppressed the skew to axial of upper and lower roll; The scope of scratching that bearing block adapts to roll-force is bigger, adaptation is effective, and bearing block is stressed good, has prolonged the service life of bearing.
The limited block groove of plug-in mounting gudgeon is made up of lead with right angle breach and the movable side wall that is positioned at the right angle breach; On right angle breach sidewall, pad is set; The adjustment pad is set, that is: according to the actual state of gudgeon disturbance plate, through increasing or reduce shim pack between lead and movable side wall; Gap between adjustment groove two side and the bearing block gudgeon; Control roll axial dipole field further guarantees the adaptability disturbance flexible constraint effect of bearing block when rolling to have satisfied the axial rigidity of milling train and the requirement of rolling accuracy.Bearing block gudgeon disturbance plate installation, easy to adjust simultaneously.
2, with the location bias of upper and lower bearing block gudgeon, near base ends, that is: upper and lower bearing block gudgeon is laid a good foundation for realizing grooveless rolling towards the outside of bearing block or inboard biasing.
With the vertical all-moving surface design of the upper and lower bearing block of fore side and transmission side both sides at upper and lower bearing block pedestal; That is: the last lead of limited block, down lead is both to vertical mobile guiding of the upper and lower bearing block pedestal of fore side and transmission side; Again to vertical mobile constraint of upper and lower bearing block pedestal, control the opening degree of milling train simultaneously; Because of the height of bearing block pedestal height greater than the bearing block protuberance, increased the vertical amount of movement of upper and lower bearing block, enlarged the adjusting range of upper and lower roll gap, for realizing that grooveless rolling provides guarantee.
In a word, the described bearing block positioner that is used for milling train of the utility model, rational in infrastructure.Short stress mill milling with the utility model is steady, and the integral rigidity of milling train and rolling accuracy are high, can realize grooveless rolling, help expanding product specification.
Description of drawings
Fig. 1 is the described bearing block positioning device structure sketch map that is used for milling train of the utility model;
Fig. 2 is the inside and outside disturbance plate structure of fore side bearing block gudgeon, a scheme of installation among Fig. 1;
Fig. 3 is a limited block perspective view among Fig. 1;
Fig. 4 is Fig. 1 bottom bracket structural representation;
Fig. 5 is Fig. 4 left view;
Wherein: 6 bearing blocks, 9 limited blocks, 10 pads, 11 internal convex sphere slide blocks, the slide block of 12 interior concave spherical surfaces, 13 adjustment pads; 14 movable side wall, 15 bolts, 16 evagination sphere slide blocks, 17 outer concave spherical surface slide blocks, 18 bearing block gudgeons; 19 gudgeon bolts, 20 bearing block pedestal sides, the vertical all-moving surface of lead on 22, lead on 23,24 upper and lower right angle breach sidewalls; 25 right angle breach ends, 26 times leads, 27 times vertical all-moving surfaces of lead, 28 interior disturbance plate, 29 outer disturbance plate.
The AA rolling centerline, fore side bearing block center line BB, Z backing plate active force, X movable side wall active force.
The specific embodiment
Below in conjunction with accompanying drawing the described specific embodiment that is used for the bearing block positioner of milling train of the utility model is described further.
Referring to Fig. 1, Fig. 2, the utility model is used for the bearing block positioner of milling train, comprises the bearing block gudgeon 18 and interior disturbance plate that is installed in the inside and outside both sides of said gudgeon and outer disturbance plate that are inserted in milling train limited block 9 grooves.Wherein:
Be installation and the adjustment that makes things convenient for disturbance plate; The groove of above-mentioned limited block 9 is made up of upper and lower lead with right angle breach 23,26 and the movable side wall 14 that is positioned at right angle breach end 25; Movable side wall 14 is fixed on the upper and lower lead 23,26 through bolt 15; Constitute the groove equipped mutually with above-mentioned bearing block gudgeon 18; And on said upper and lower right angle breach sidewall 24, pad 10 is set respectively, and adjustment pad 13 is set respectively between said upper and lower lead 23,26 and the upper and lower movable side wall 14, as shown in Figure 3.
For increasing the opening degree of milling train, the groove of said limited block 9 is offset to a side of upper and lower lead 23,26, can also can lay a good foundation for realizing grooveless rolling towards the inboard biasing of bearing block towards the outside biasing of bearing block; Said bearing block gudgeon 18 is setovered near said bearing block 6 base ends, and the groove of the gudgeon of this biasing and limited block 9 adapts.Like this; Upper and lower lead 23,26 vertical all-moving surfaces 22,27 ends at the right angle of said groove breach; Upper and lower bearing block pedestal side 20 is equipped mutually with the vertical all-moving surface 22,27 of the breach end, right angle of the offset groove of upper and lower lead 23,26 respectively; The two sides 20 of bearing block pedestal can be as the vertical all-moving surface of bearing block, for realizing that grooveless rolling provides guarantee.
The described bearing block positioner that is used for milling train of the utility model can be applied in short stress path rolling mill, also can be applied in universal mill or compact mill.According to actual conditions, the bearing block positioner of the utility model can design fore side and/or the transmission side at milling train, is used for fore side, transmission side bearing block and adapts to the dynamic deformation of scratching when rolling; Prevent the skew to axial between the upper and lower roll simultaneously; Thereby satisfy the anti-axial float function of self adaptation bearing block, realize that bearing block is stressed good, bearing life is long; Mill stiffness is good, the effect that rolling accuracy is high.
Claims (3)
1. a bearing block positioner that is used for milling train comprises the interior disturbance plate and outer disturbance plate that are inserted into the bearing block gudgeon (18) in milling train limited block (9) groove and are installed in the inside and outside both sides of said gudgeon; It is characterized in that: disturbance plate constitutes by the slide block (12) that is inlaid in the inboard concave spherical surface of said gudgeon (18) with the slide block (11) of the equipped protruding sphere of its sphere in said; Said internal convex sphere slide block (11) is connected with interior concave spherical surface slide block (12), gudgeon (18) through gudgeon bolt (19); Said outer disturbance plate constitutes by the slide block (16) of the protruding sphere that is inlaid in said gudgeon (18) outside with the slide block (17) of the equipped concave spherical surface of its sphere; Said outer concave spherical surface slide block (17) is connected with evagination sphere slide block (16), gudgeon (18) through gudgeon bolt (19); Disturbance plate is identical with the radius of curvature of outer disturbance plate sphere in said, and its centre of sphere is positioned on the joining of fore side bearing block center line (BB) and gudgeon bolt (19) central axis (CC).
2. bearing block positioner according to claim 1; It is characterized in that: the groove of said limited block (9) is offset to a side of upper and lower lead (23,26); This groove is made up of upper and lower lead with right angle breach (23,26) and the movable side wall (14) that is positioned at right angle breach end (25); Said bearing block gudgeon (18) is near said bearing block (6) base ends biasing, adapts with the groove of limited block (9).
3. bearing block positioner according to claim 2; It is characterized in that: said upper and lower right angle breach sidewall (24) is provided with pad (10), and adjustment pad (13) is set respectively between said upper and lower lead (23,26) and upper and lower movable side wall (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202239432U CN202185454U (en) | 2011-06-29 | 2011-06-29 | Bearing seat locating device for rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202239432U CN202185454U (en) | 2011-06-29 | 2011-06-29 | Bearing seat locating device for rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202185454U true CN202185454U (en) | 2012-04-11 |
Family
ID=45916928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202239432U Expired - Lifetime CN202185454U (en) | 2011-06-29 | 2011-06-29 | Bearing seat locating device for rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202185454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983465A (en) * | 2016-02-19 | 2016-10-05 | 中建材（合肥）粉体科技装备有限公司 | Limiting device of bearing pedestal of roller press |
| CN112191687A (en) * | 2020-10-09 | 2021-01-08 | 安徽中钢诺泰工程技术有限公司 | Rolling mill and roll chock axial stop device thereof |
-
2011
- 2011-06-29 CN CN2011202239432U patent/CN202185454U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983465A (en) * | 2016-02-19 | 2016-10-05 | 中建材（合肥）粉体科技装备有限公司 | Limiting device of bearing pedestal of roller press |
| CN112191687A (en) * | 2020-10-09 | 2021-01-08 | 安徽中钢诺泰工程技术有限公司 | Rolling mill and roll chock axial stop device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |