CN215805742U - Rolling mill cylindrical roller bearing - Google Patents
Rolling mill cylindrical roller bearing Download PDFInfo
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- CN215805742U CN215805742U CN202122385133.3U CN202122385133U CN215805742U CN 215805742 U CN215805742 U CN 215805742U CN 202122385133 U CN202122385133 U CN 202122385133U CN 215805742 U CN215805742 U CN 215805742U
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- ring
- oil
- cylindrical roller
- rolling mill
- roller bearing
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Abstract
The utility model provides a rolling mill cylindrical roller bearing, comprising: the oil supplementing device comprises an outer ring, an inner ring, cylindrical rollers, an oil supplementing part and a retainer, wherein the inner ring is concentrically arranged on the inner side of the outer ring, the retainer is arranged in a gap formed between the outer ring and the inner ring, the cylindrical rollers are uniformly arranged on the retainer, a T-shaped annular groove is formed in the side wall of the inner ring of the outer ring, and the oil supplementing part is embedded in the T-shaped annular groove; the outer ring is rotated to drive lubricating oil in the oil supplementing part to be thrown out; when the bearing integrally rotates at a high speed, a moving ball in the support ring moves to one side of the rubber ring under the action of centrifugal force to extrude the rubber ring to extrude lubricating oil in the oil storage cavity onto the oil absorption cotton, and after the oil absorption cotton is fully absorbed with the lubricating oil, redundant lubricating oil can be thrown out through the oil discharge hole at the bottom of the convex ring under the action of the centrifugal force, so that the lubricating function is realized in the rotating process, and the problem of dry grinding of the bearing is solved.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a cylindrical roller bearing of a rolling mill.
Background
Rolling mills are devices that implement metal rolling processes. The equipment for completing the whole process of rolled stock production generally refers to main equipment, auxiliary equipment, hoisting and transporting equipment, auxiliary equipment and the like, the development trend of the modern rolling mill is continuous and automatic, wherein a cylindrical roller bearing for the rolling mill is important in the using process, and the traditional cylindrical roller bearing for the rolling mill needs to be periodically supplemented with oil during use but still has the bearing dry grinding phenomenon.
Therefore, under certain circumstances, there is a need for a rolling mill cylindrical roller bearing to be substituted.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the bearing has dry grinding phenomenon when in use, and aims to solve the problems in the prior art. The present invention provides a rolling mill cylindrical roller bearing to solve the above problems.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a rolling mill cylindrical roller bearing comprising: the oil supplementing device comprises an outer ring, an inner ring, cylindrical rollers, an oil supplementing part and a retainer, wherein the inner ring is concentrically arranged on the inner side of the outer ring, the retainer is arranged in a gap formed between the outer ring and the inner ring, the cylindrical rollers are uniformly arranged on the retainer, a T-shaped annular groove is formed in the side wall of the inner ring of the outer ring, and the oil supplementing part is embedded in the T-shaped annular groove; wherein
And the outer ring is rotated to drive the lubricating oil in the oil supplementing part to be thrown out.
The oil supplementing part comprises a support ring and a convex ring, wherein the support ring and the convex ring are respectively embedded in the T-shaped ring grooves, and the convex ring is concentrically arranged on the side wall of the inner ring of the support ring; and
the supporting ring and the convex ring are both hollow.
Furthermore, the inside both sides of support ring all are provided with the direction fixture block, one two stop grooves have all been seted up to the inside of direction fixture block, every stop the inside in groove all the activity be provided with the removal ball.
Furthermore, two ends of the stop groove are fixed with two ends of the guide fixture block through support tables, and two adjacent support tables are connected through a rubber ring; and
the cross section of the rubber ring is in a semi-circular arc shape; wherein
And the outer ring is rotated to drive the movable ball to extrude the rubber ring along the stop groove.
Furthermore, an oil storage cavity is arranged inside the support ring, and an oil supplementing hole is formed in the outer wall of the support ring at the top of the oil storage cavity; wherein
The moving ball extrudes the rubber ring along the stop groove and is suitable for reducing the internal volume of the oil storage cavity.
Furthermore, an oil absorption layer is arranged at the connecting position of the convex ring and the oil storage cavity; and
and a plurality of oil leakage holes with different apertures are formed in the oil absorption layer.
Further, oil discharge holes are uniformly formed in the bottom of the convex ring; and
the radius of the oil discharge hole is gradually increased along the direction far away from the circle center of the convex ring.
When the bearing integrally rotates at a high speed, a moving ball in the support ring moves to one side of the rubber ring under the action of centrifugal force and extrudes the rubber ring to extrude lubricating oil in the oil storage cavity onto the oil absorption cotton, and after the oil absorption cotton is fully absorbed with the lubricating oil, redundant lubricating oil can be thrown out through the oil discharge hole at the bottom of the convex ring under the action of the centrifugal force, wherein the whole body is a hole with the diameter of the inner round hole smaller than that of the outer round hole, so that the thrown lubricating oil is dispersed and then acted between the two rows of cylindrical rollers, and plays a lubricating role in the rotating process, the self-lubricating function is realized, and the problem of dry grinding of the bearing is solved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of a preferred embodiment of a rolling mill cylindrical roller bearing of the present invention;
FIG. 2 is a perspective sectional view of a preferred embodiment of a rolling mill cylindrical roller bearing of the present invention;
fig. 3 is a sectional view of a preferred embodiment of the oil compensating portion of the present invention.
In the drawings
1. An outer ring; 2. an inner ring; 3. a cylindrical roller; 4. an oil supplement part; 5. a holder;
11. a T-shaped ring groove;
41. a support ring; 42. a guide clamping block; 43. a stop groove; 44. a support table; 45. a rubber ring; 46. moving the ball; 47. an oil storage chamber; 48. a convex ring; 49. an oil-absorbing layer; 410. an oil drain hole; 411. an oil supplement hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, fig. 1 is a perspective view of a preferred embodiment of a rolling mill cylindrical roller bearing according to the present invention; referring to fig. 2, fig. 2 is a perspective sectional view of a preferred embodiment of a rolling mill cylindrical roller bearing according to the present invention; referring to fig. 3, fig. 3 is a cross-sectional view of a preferred embodiment of the oil compensating portion of the present invention; as shown in fig. 1 to 3, the present invention provides a rolling mill cylindrical roller bearing comprising: the outer ring 1, the inner ring 2, cylindrical roller 3, mend oil portion 4 and holder 5, wherein, outer ring 1 and inner ring 2 mainly used form concentric pivoted inner chamber body, cylindrical roller 3's outer wall is used for making between outer ring 1 and inner ring 2 and impel outer ring 1 and inner ring relative rotation through setting up, holder 5 mainly used is with cylindrical roller 3 even fixing in outer ring 1 and inner ring 2, played the effect of positioning cylindrical roller 3, mend oil portion 4 mainly used play the effect of lubricated cylindrical roller 3 in the high-speed rotation in-process of outer ring 1. The above components are described in detail as follows.
Outer ring 1
The outer ring 1 mainly bears radial load, the friction between the rolling body and the flange of the ferrule is small, and the outer ring is suitable for high-speed rotation, specifically, a T-shaped annular groove 11 is formed in the side wall of the inner ring of the outer ring 1, and the oil supplementing part 4 is embedded in the T-shaped annular groove 11; being the same as prior art, in the bearing of this embodiment, the inner peripheral surface of outer lane 1 is equipped with the raceway surface, is equipped with a sclerosis layer that is formed by the hammering of high frequency tup on the raceway surface, and the thickness on this sclerosis layer is 0.5 ~ 1.5mm, and this designer is for the better rotation accuracy who has guaranteed this bearing, improves bearing life.
The inner ring 2 is concentrically arranged on the inner side of the outer ring 1, the whole of the outer ring 1 is kept by adopting the same process as the outer ring 1, wherein the raceway surface of the inner ring 2 is arranged on the outer surface of the body of the outer ring, the radian formed by the raceway surface is matched with that of the outer ring 1, and the inclination angle formed by the outer wall of the inner ring 2 is equal to that formed by the inner wall of the outer ring 1.
The cylindrical rollers 3 are arranged between the outer ring 1 and the inner ring 2, and it needs to be further explained that two rows of cavities which are arranged in a mirror image mode and are used for containing the cylindrical rollers 3 are arranged between the outer ring 1 and the inner ring 2, and the inner wall of the outer ring 1 on the surface of each cylindrical roller 3 is contacted with the outer wall of the inner ring 2, specifically, the side surface of the circular truncated cone of each cylindrical roller 3 protrudes outwards in an arc shape, so that the stress of each cylindrical roller 3 is linear and continuous, and therefore, the device can be stable in operation and stable in working state, further the abrasion condition in the continuous process is reduced, and the aging speed of the whole bearing can be delayed; the retainer 5 sets up between outer lane 1 and inner circle 2, the retainer 5 mainly used is with the cylindrical roller 3 uniform separation between outer lane 1 and the inner circle 2, wherein the surface of retainer 5 is provided with two constant head tanks that correspond cylindrical roller 3, mainly play the effect of location, secondly can make between the adjacent cylindrical roller 3 can not contact each other in work, have certain space and avoid mutual extrusion deformation, it needs to explain further that, the retainer 5, be concentric setting between outer lane 1 and the 2 three of inner circle, and the retainer 5 sets up for the components of a whole that can function independently, need assemble from the both ends of outer lane 1 and inner circle 2 respectively and fix a position cylindrical roller 3, this kind of structural design is easy and simple to handle when needing to be changed for later stage cylindrical roller 3 wearing and tearing, and change the interior cylindrical roller 3 of bearing after the assembly can last stable work.
The composition structure of the oil supplementing part 4 is specifically described below, wherein the oil supplementing part 4 comprises a support ring 41 and a convex ring 48, the support ring 41 and the convex ring 48 are respectively embedded in the T-shaped annular groove 11, it is further described that the support ring 41 is embedded in the top transverse end of the T-shaped annular groove 11, the convex ring 48 is arranged at the vertical end of the T-shaped annular groove 11, and the convex ring 48 is concentrically arranged on the side wall of the inner ring of the support ring 41; and the inner parts of the support ring 41 and the convex ring 48 are hollow; guide clamping blocks 42 are arranged on two sides of the interior of the support ring 41, two stop grooves 43 are formed in each guide clamping block 42, and a moving ball 46 is movably arranged in each stop groove 43; the moving balls 46 move between the stop grooves 43 in the process that the support ring 41 rotates with the outer ring 1 at a high speed, two ends of each stop groove 43 are fixed with two ends of the guide fixture block 42 through the support tables 44, and two adjacent support tables 44 are connected through the rubber ring 45; the moving ball 46 can extrude the rubber ring 45 under the action of centrifugal force in the moving process between the stop grooves 43, and the cross section of the rubber ring 45 is in a semi-circular arc shape; wherein rotating the outer ring 1 is adapted to drive the moving balls 46 to press the rubber ring 45 along the stop grooves 43.
In the process of extruding the rubber ring 45, because the rubber ring 45 has certain elasticity, the moving ball 46 drives the rubber ring 45 to deflect towards two ends of the support ring 41 at this time, so as to reduce the distance between the other side of the rubber ring 45 and the side wall of the rubber ring 45, an oil storage cavity 47 is arranged inside the support ring 41, and an oil supplementing hole 411 is formed in the outer wall of the support ring 41 at the top of the oil storage cavity 47; the overall volume of the oil storage chamber 47 is reduced after the distance between the other side of the rubber ring 45 and the side wall of the rubber ring 45 is reduced, so that the lubricating oil in the oil storage chamber can enter the convex ring 48 in the process of reducing the volume accommodating volume, wherein the moving ball 46 presses the rubber ring 45 along the stop groove 43 to be suitable for reducing the internal volume of the oil storage chamber 47; an oil absorption layer 49 is arranged at the connecting position of the convex ring 48 and the oil storage cavity 47; the convex ring 48 stores a small amount of lubricating oil through the oil absorption layer 49 and rotates at a high speed, and a plurality of oil leakage holes with different apertures are formed in the oil absorption layer 49; the bottom of the convex ring 48 is uniformly provided with oil discharge holes 410; centrifugal force throws a small amount of the lubricating oil stored in the oil absorption layer 49 out through the oil discharge holes 410 and acts between the outer ring 1 and the inner ring 2, so that the cylindrical rollers 3 perform a lubricating function during rotation, and the radius of the oil discharge holes 410 is gradually increased in a direction away from the center of the convex ring 48 in order to make the thrown lubricating oil act between the outer ring 1 and the inner ring 2 uniformly.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A rolling mill cylindrical roller bearing, characterized by comprising: the oil supplementing device comprises an outer ring (1), an inner ring (2), cylindrical rollers (3), an oil supplementing part (4) and a retainer (5), wherein the inner ring (2) is concentrically arranged on the inner side of the outer ring (1), the retainer (5) is arranged in a gap formed between the outer ring (1) and the inner ring (2), the cylindrical rollers (3) are uniformly arranged on the retainer (5), a T-shaped annular groove (11) is formed in the side wall of the inner ring of the outer ring (1), and the oil supplementing part (4) is embedded into the T-shaped annular groove (11); wherein
The outer ring (1) is rotated to drive lubricating oil in the oil supplementing part (4) to be thrown out.
2. The rolling mill cylindrical roller bearing according to claim 1, characterized in that the oil supply portion (4) comprises a support ring (41) and a protruding ring (48), the support ring (41) and the protruding ring (48) are respectively embedded in the T-shaped ring grooves (11), and the protruding ring (48) is concentrically arranged on the side wall of the inner ring of the support ring (41); and
the supporting ring (41) and the convex ring (48) are hollow.
3. The rolling mill cylindrical roller bearing according to claim 2, characterized in that the support ring (41) is provided with guide blocks (42) on both sides, one guide block (42) is provided with two stop grooves (43) on the inside, and each stop groove (43) is movably provided with a moving ball (46) inside.
4. The rolling mill cylindrical roller bearing of claim 3, characterized in that, both ends of the stop groove (43) are fixed with both ends of the guide fixture block (42) through support tables (44), and two adjacent support tables (44) are connected through a rubber ring (45); and
the cross section of the rubber ring (45) is in a semi-circular arc shape; wherein
And the outer ring (1) is rotated to drive the moving ball (46) to extrude the rubber ring (45) along the stop groove (43).
5. The rolling mill cylindrical roller bearing of claim 4, characterized in that an oil storage chamber (47) is arranged inside the supporting ring (41), and the top of the oil storage chamber (47) is provided with an oil supplementing hole (411) on the outer wall of the supporting ring (41); wherein
The moving ball (46) presses the rubber ring (45) along the stop groove (43) to reduce the internal volume of the oil storage cavity (47).
6. A rolling mill cylindrical roller bearing according to claim 5, characterized in that an oil suction layer (49) is provided at the connection position of the convex ring (48) and the oil storage chamber (47); and
and a plurality of oil leakage holes with different apertures are formed in the oil absorption layer (49).
7. The rolling mill cylindrical roller bearing according to claim 6, characterized in that the bottom of the convex ring (48) is provided with oil drain holes (410) uniformly; and
the radius of the oil discharge hole (410) is gradually increased along the direction far away from the circle center of the convex ring (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385133.3U CN215805742U (en) | 2021-09-30 | 2021-09-30 | Rolling mill cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385133.3U CN215805742U (en) | 2021-09-30 | 2021-09-30 | Rolling mill cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805742U true CN215805742U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122385133.3U Active CN215805742U (en) | 2021-09-30 | 2021-09-30 | Rolling mill cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805742U (en) |
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2021
- 2021-09-30 CN CN202122385133.3U patent/CN215805742U/en active Active
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