CN210547019U - Duplex bearing dead weight balanced structure of backing roll - Google Patents
Duplex bearing dead weight balanced structure of backing roll Download PDFInfo
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- CN210547019U CN210547019U CN201921342866.5U CN201921342866U CN210547019U CN 210547019 U CN210547019 U CN 210547019U CN 201921342866 U CN201921342866 U CN 201921342866U CN 210547019 U CN210547019 U CN 210547019U
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Abstract
The utility model relates to the field of metallurgical finishing equipment, in particular to a double-bearing dead weight balancing structure of a supporting roll, which comprises a bearing A, a bearing seat, an end cover, a bearing B and a radial play adjusting device, wherein two ends of the supporting roll are respectively fixed on the bearing seats which are symmetrically arranged through the bearing A, the outer sides of the two bearing A are respectively sleeved with the end covers correspondingly, the two ends of the supporting roll are respectively sleeved with the bearing B correspondingly, the outer sides of the two bearing B are respectively provided with a hanging cover correspondingly, the radial play adjusting device is correspondingly arranged between the top of the hanging cover and the outer end surface of the end cover and is fixed at the top of the hanging cover, the bearing B and the radial play adjusting device jointly set the radial play of the bearing A below the bearing A for eliminating the unstable state of the supporting roll under the joint action of the dead weight and the radial play of the bearing A and avoiding the phenomenon that the strip-shaped veins are generated on, the quality of the strip is improved.
Description
Technical Field
The utility model relates to a metallurgical finishing equipment field especially relates to a duplex bearing dead weight balanced structure of backing roll.
Background
When the unit works, if the strip cannot provide enough lifting force to overcome the self weight of the supporting roller so as to eliminate the radial clearance of the bearings at the two ends of the supporting roller, the supporting roller is in a suspension state, and the unstable suspension state of the supporting roller easily generates strip-shaped grains on the surface of the strip, thereby seriously affecting the quality of the strip.
Disclosure of Invention
In order to solve the above problem, the utility model discloses a duplex bearing dead weight balanced structure of backing roll is provided with bearing A, bearing B and radial play adjusting device respectively at the both ends of backing roll to solve because the suspension of backing roll leads to the problem that the strip surface produced the stripe.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a double-bearing self-weight balancing structure of a supporting roller comprises the supporting roller, wherein bearings A are respectively sleeved at two ends of the supporting roller, the double-bearing self-weight balancing structure further comprises bearing seats, end covers, bearings B and a radial play adjusting device, two ends of the supporting roller are respectively fixed on the bearing seats which are symmetrically arranged through the bearings A, the outer sides of the two bearings A are respectively and correspondingly sleeved with the end covers, the two end covers are respectively and correspondingly fixed on the corresponding bearing seats, the two ends of the supporting roller are respectively and correspondingly sleeved with the bearings B, the outer sides of the two bearings B are respectively and correspondingly provided with hanging covers which are hollow cylindrical structures with one open ends, the two hanging covers are respectively and correspondingly covered on the two bearings B, the radial play adjusting device is correspondingly arranged between the top of the hanging covers and the outer end surface of the end covers, the radial play adjusting device is fixed at the top of the hanging covers, the bearings A are main bearings, and the radial, the method is used for eliminating the unstable state of the support roller under the combined action of the dead weight of the support roller and the radial play of the bearing A.
Further, the radial play adjusting device comprises a support, a stud, a disc spring and a nut, the support is an L-shaped structure and is fixed between the top of the hanging cover and the outer end face of the end cover, the support comprises a vertical face and a horizontal face, the vertical face is in contact with the outer end face of the end cover and is fixed on the outer end face of the end cover, the horizontal face is fixedly connected with the top of the hanging cover, the lower end of the stud penetrates through the horizontal face of the support and is fixed on the hanging cover, the nut and the disc spring are sequentially sleeved on the upper end of the stud from top to bottom, and the disc spring is pre-tightened.
Furthermore, the central lines of the bearing A, the end cover, the bearing B and the hanging cover are on the same straight line with the central axis of the supporting roller.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a backing roll, bearing A, bearing frame, end cover, bearing B and radial play adjusting device, radial play adjusting device has adopted the dish spring pretension structure, and bearing B and radial play adjusting device set up bearing A's radial play below bearing A jointly for eliminate the unstable state of backing roll under its dead weight and bearing A radial play combined action, thereby avoided because the unstable suspended state of backing roll leads to the phenomenon that strip line produced on the strip surface, improve the strip quality;
2. the utility model is suitable for a radial clearance to hoist and mount formula backing roll roller bearing positioning system has the occasion of strict demand, simple structure, and it is convenient to adjust.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
in the figure: 1-supporting rollers; 2-bearing A; 3-bearing seat; 4-end cover; 5-bearing B; 6-hanging a cover; 7-a scaffold; 8-a stud; 9-disc spring; 10-nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The double-bearing dead weight balance structure of the supporting roll is elaborated in detail by combining the attached drawing 1, which comprises a supporting roll 1, wherein two ends of the supporting roll 1 are respectively sleeved with a bearing A2, the bearing A2 is a main bearing, the double-bearing dead weight balance structure further comprises a bearing seat 3, an end cover 4, a bearing B5 and a radial clearance adjusting device, two ends of the supporting roll 1 are respectively fixed on the bearing seats 3 which are symmetrically arranged through the bearing A2, the outer sides of the two bearings A2 are respectively sleeved with the end covers 4, the two end covers 4 are respectively fixed on the corresponding bearing seats 3, two ends of the supporting roll 1 are respectively sleeved with the bearing B5, the outer sides of the two bearings B5 are respectively and correspondingly provided with a hanging cover 6, the hanging cover 6 is a hollow cylindrical structure with an open end, the two hanging covers 6 are respectively and correspondingly covered on the two bearings B5, the radial clearance adjusting device is correspondingly arranged between the top of the hanging cover 6 and, the bearing B5 and the radial play adjusting device cooperate to arrange the radial play of the bearing A2 below the bearing A2, so that the unstable state of the supporting roller 1 under the combined action of the self weight of the supporting roller and the radial play of the bearing A2 is eliminated, the phenomenon that the strip-shaped grains are generated on the surface of the strip due to the unstable suspension state of the supporting roller 1 is eliminated, and the quality of the strip is improved.
The radial play adjusting device comprises a support 7, a stud 8, a disc spring 9 and a nut 10, wherein the support 7 is in an L-shaped structure and is fixed between the top of the hanging cover 6 and the outer end face of the end cover 4, the support 7 comprises a vertical face and a horizontal face, the vertical surface is contacted with the outer end surface of the end cover 4 and fixed on the outer end surface of the end cover 4, the horizontal surface is fixedly connected with the top of the hanging cover 6, the lower end of the stud 8 passes through the horizontal surface of the bracket 7 and is fixed on the hanging cover 6, the upper end of the stud 8 is sequentially sleeved with a nut 10 and a disc spring 9 from top to bottom, the nut 10 pre-tightens the disc spring 9 on the stud 8, when pre-adjusting before working, the preload of the disc spring 9 is adjusted by rotating the nut 10, the dead weight of the supporting roller 1 can be effectively counteracted, the radial play of the bearing A2 is placed below the bearing A2, thereby eliminating the suspended state of the support roller 1 and avoiding the stripe phenomenon caused by the unstable suspended state of the support roller 1.
The central lines of the bearing A2, the end cover 4, the bearing B5 and the hanging cover 6 are on the same straight line with the central axis of the supporting roller 1.
The utility model discloses the working process is as follows:
when the rolling mill is pre-adjusted before working, the pretightening amount of the disc spring 9 is adjusted through the rotary nut 10, the dead weight of the supporting roller 1 is effectively offset, the radial play of the bearing A2 is arranged below the bearing A2 under the combined action of the bearing B5 and the radial play adjusting device, so that the unstable state of the supporting roller 1 under the combined action of the dead weight and the radial play of the bearing A2 is eliminated, and the strip-shaped texture phenomenon caused by the unstable suspension state of the supporting roller 1 on the surface of a strip material is avoided.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the convenience of description of the present invention and for simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the present invention should not be construed as being limited thereto, and it should be noted that the terms "mounted" and "connected" should be interpreted broadly, for example, as being able to be fixedly connected, detachably connected, or integrally formed, mechanically connected, or indirectly connected through an intermediate medium, and the specific meaning of the terms in the present application can be understood through specific situations.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a duplex bearing dead weight balanced structure of backing roll, includes the backing roll, overlaps respectively at the backing roll both ends and is equipped with bearing A, characterized by: the device also comprises a bearing seat, an end cover, a bearing B and a radial clearance adjusting device, wherein two ends of the supporting roll are respectively fixed on the symmetrically arranged bearing seats through the bearing A, the outer sides of the two bearings A are respectively and correspondingly sleeved with end covers which are respectively fixed on the corresponding bearing seats, the two ends of the supporting roll are respectively sleeved with a bearing B, the outer sides of the two bearings B are respectively and correspondingly provided with a hanging cover, the hanging cover is a hollow cylindrical structure with one end open, the two hanging covers are respectively and correspondingly covered on the two bearings B, a radial play adjusting device is correspondingly arranged between the top of the hanging cover and the outer end surface of the end cover, the radial play adjusting device is fixed at the top of the hanging cover, the bearing B and the radial play adjusting device together set the radial play of the bearing A below the bearing A, the method is used for eliminating the unstable state of the support roller under the combined action of the dead weight of the support roller and the radial play of the bearing A.
2. A double-bearing self-weight balancing structure of a supporting roller according to claim 1, wherein: the radial clearance adjusting device comprises a support, a stud, a disc spring and a nut, the support is an L-shaped structure and is fixed between the top of the hanging cover and the outer end face of the end cover, the support comprises a vertical face and a horizontal face, the vertical face is in contact with the outer end face of the end cover and is fixed on the outer end face of the end cover, the horizontal face is fixedly connected with the top of the hanging cover, the lower end of the stud penetrates through the horizontal face of the support and is fixed on the hanging cover, the nut and the disc spring are sequentially sleeved on the upper end of the stud from top to bottom, and the disc spring is pre.
3. A double-bearing self-weight balancing structure of a supporting roller according to claim 1 or 2, wherein: the central lines of the bearing A, the end cover, the bearing B and the hanging cover are on the same straight line with the central axis of the supporting roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921342866.5U CN210547019U (en) | 2019-08-19 | 2019-08-19 | Duplex bearing dead weight balanced structure of backing roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921342866.5U CN210547019U (en) | 2019-08-19 | 2019-08-19 | Duplex bearing dead weight balanced structure of backing roll |
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| Publication Number | Publication Date |
|---|---|
| CN210547019U true CN210547019U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921342866.5U Active CN210547019U (en) | 2019-08-19 | 2019-08-19 | Duplex bearing dead weight balanced structure of backing roll |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479765A (en) * | 2019-08-19 | 2019-11-22 | 中色科技股份有限公司 | A kind of dead-weight balanced method of lift-on/lift-off type support roller |
| CN112879537A (en) * | 2021-01-13 | 2021-06-01 | 白银有色长通电线电缆有限责任公司 | Radial force balancing device of shaft |
-
2019
- 2019-08-19 CN CN201921342866.5U patent/CN210547019U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479765A (en) * | 2019-08-19 | 2019-11-22 | 中色科技股份有限公司 | A kind of dead-weight balanced method of lift-on/lift-off type support roller |
| CN112879537A (en) * | 2021-01-13 | 2021-06-01 | 白银有色长通电线电缆有限责任公司 | Radial force balancing device of shaft |
| CN112879537B (en) * | 2021-01-13 | 2023-01-03 | 白银有色长通电线电缆有限责任公司 | Radial force balancing device of shaft |
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